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EP1446348A1 - Elevator with a belt-like transmission means, especially with a v-ribbed belt, serving as supporting and/or drive means - Google Patents

Elevator with a belt-like transmission means, especially with a v-ribbed belt, serving as supporting and/or drive means

Info

Publication number
EP1446348A1
EP1446348A1 EP02774244A EP02774244A EP1446348A1 EP 1446348 A1 EP1446348 A1 EP 1446348A1 EP 02774244 A EP02774244 A EP 02774244A EP 02774244 A EP02774244 A EP 02774244A EP 1446348 A1 EP1446348 A1 EP 1446348A1
Authority
EP
European Patent Office
Prior art keywords
belt
transmission means
elevator
drive
elevator system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02774244A
Other languages
German (de)
French (fr)
Other versions
EP1446348B1 (en
Inventor
Ernst Friedrich Ach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventio AG
Original Assignee
Inventio AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8184263&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1446348(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP05106721A priority Critical patent/EP1604939B1/en
Priority to EP05103258A priority patent/EP1561720B1/en
Priority to EP02774244A priority patent/EP1446348B1/en
Priority to EP05104453A priority patent/EP1580156B1/en
Priority to ES05104453T priority patent/ES2306013T3/en
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP07108982A priority patent/EP1834919B1/en
Priority to EP05006057A priority patent/EP1547960B1/en
Publication of EP1446348A1 publication Critical patent/EP1446348A1/en
Publication of EP1446348B1 publication Critical patent/EP1446348B1/en
Application granted granted Critical
Priority to HK08102989.1A priority patent/HK1116150A1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/062—Belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • B66B11/009—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave with separate traction and suspension ropes

Definitions

  • Elevator with belt-like transmission means especially w
  • the invention relates to an elevator system and belt-like transmission means as defined in the claims
  • Elevator systems of this type usually have an elevator car, which can be moved in an elevator shaft or freely along a guide device. To generate the
  • the elevator system has a drive which interacts with the elevator car and a counterweight (also called counterweight) via transmission means.
  • a counterweight also called counterweight
  • the system described has the disadvantage that the belt used as the transmission means does not have the optimum traction behavior that can be achieved with certain other belt-like transmission means, and that the energy supply to the drive motor and the transmission of
  • This system has the same disadvantages as the one described above and has the additional disadvantage that a toothed belt is used for the drive function and another means are used for the support function. Compared to a system in which the drive and support functions are carried out using the same means, this system also requires a larger number of rollers or pulleys.
  • the object of the invention is therefore seen in creating an improved elevator system of the type mentioned at the outset, which reduces or avoids disadvantages of the known systems.
  • the elevator system has an elevator car, a drive, belt-like transmission means, preferably a V-ribbed belt, and a counterweight.
  • FIG. 1A shows a first elevator system according to the invention, in a greatly simplified and schematic sectional illustration, with a V-ribbed belt as a transmission means.
  • Fig. 1B the first elevator system, in a highly simplified and schematic plan view, with a V-ribbed belt as a transmission means.
  • Fig. 2 shows a second elevator system, in a highly simplified and schematic plan view, with a V-ribbed belt as a transmission means.
  • FIG. 3 shows a third elevator system, in a greatly simplified and schematic plan view, with a V-ribbed belt as a transmission means.
  • Fig. 4 shows a fourth elevator system, in a highly simplified and schematic plan view, with two V-ribbed belts as a transmission means.
  • 5A shows a fifth elevator system according to the invention, in a greatly simplified and schematic sectional illustration, with a V-ribbed belt as a transmission means.
  • Fig. 5B the fifth elevator system, in a highly simplified and schematic plan view, with a V-ribbed belt as a transmission means.
  • 5C shows a motor, in a highly simplified and schematic representation, which is suitable as a drive for the fifth elevator system.
  • 6A shows a sixth elevator system according to the invention, in a greatly simplified and schematic plan view, with two V-ribbed belts as the transmission means.
  • Fig. 6B the sixth elevator system, in a greatly simplified and schematic sectional view, with two V-ribbed belts as a transmission means.
  • 6C shows a first motor, in a highly simplified and schematic representation, which is suitable as a drive for the sixth elevator system.
  • 6D shows a second motor, in a highly simplified and schematic representation, which is suitable as a drive for the sixth elevator system.
  • FIG. 7A shows a seventh elevator system according to the invention, seen in a greatly simplified and schematic plan view, with two V-ribbed belts as the transmission means.
  • FIG. 7B shows the seventh elevator system, in a greatly simplified and schematic sectional illustration, with two V-ribbed belts as the transmission means.
  • FIG. 8 an eighth elevator system according to the invention, in highly simplified and schematic sectional view, with a V-ribbed belt as a propellant and a separate suspension element.
  • FIG. 9 shows a ninth elevator system according to the invention, in a greatly simplified and schematic sectional illustration, with a V-ribbed belt as a propellant and a separate suspension element.
  • FIG. 10A shows a tenth elevator system according to the invention, in a greatly simplified and schematic sectional illustration, with two V-ribbed belts as the transmission means.
  • 10B shows the tenth elevator system, in a highly simplified and schematic plan view, with two V-ribbed belts as a transmission means.
  • 11 shows an eleventh elevator system, in a highly simplified and schematic plan view.
  • FIG. 12 shows a further motor, in a highly simplified and schematic representation, which is suitable as a drive for various elevator systems according to the invention.
  • FIG. 13 shows a transmission means according to the invention in the form of a V-ribbed belt.
  • Fig. 14 shows another V-ribbed belt, according to the invention.
  • FIG. 16 shows a further V-ribbed belt according to the invention with a tensile layer.
  • an inventive transmission means in the form of a flat belt.
  • Fig. 18 a belt pulley with flanges.
  • V-ribbed belts - also called V-ribbed belts - are preferably used.
  • Such a V-ribbed belt can advantageously be used as a frictional (adhesive) support and / or drive element (transmission means) for an elevator car with a counterweight.
  • the V-ribbed belt With its similar running properties to a flat belt, the V-ribbed belt enables a higher rope force ratio due to its shape.
  • a high rope force ratio means that the tensile force in the run of the belt running onto the belt pulley can be considerably higher than in the run running simultaneously from the belt pulley.
  • the V-ribbed belt 13 has a plurality of wedge-shaped grooves 5 and V-ribs 6 arranged in parallel in the longitudinal direction. These wedge-shaped grooves 5 and V-ribs 6 enable a rope force ratio of more than 2 at a wrap angle of 180 degrees due to their wedge effect.
  • V-ribbed belt 13 centers itself on the pulleys that drive or guide it.
  • the V-ribbed belt 13 is provided with a guide rib 2 on the rear side (i.e. on the side which has no wedge-shaped grooves 5 or V-ribs 6), as shown in FIG. 15.
  • This guide rib 2 has the task of counter-bending the V-ribbed belt, d. H. , if it runs around a pulley with the belt back facing the pulley, guide the V-ribbed belt in a guide groove provided in the tread of the pulley.
  • the wedge-shaped grooves 5 of the V-ribbed belts 13 have a groove angle b of 80 degrees to 100 degrees.
  • the groove angle b is preferably approximately 90 degrees.
  • This groove angle b is much larger than with conventional V-ribbed belts.
  • the larger groove angle b reduces the running noise.
  • the self-centering property as well as a (defined above) increased rope force ratio are retained.
  • the V-ribbed belt 13 is provided on the back, as shown in FIG. 13, with a layer 4, which preferably has good sliding properties.
  • This layer 4 can be a fabric layer, for example his. In the case of elevator systems that are suspended several times, this makes assembly easier.
  • V-ribbed belt 13 is shown in FIG. 14.
  • This V-ribbed belt has both wedge-shaped grooves 5 and ribs 6, which are arranged in the longitudinal direction, and transverse grooves 3. These transverse grooves 3 improve the bending flexibility of the V-ribbed belt so that it can interact with belt pulleys with a reduced diameter.
  • V-ribbed belt 13 contains tension members 1 oriented in its longitudinal direction, which are made of metallic strands (e.g. steel strands) or non-metallic strands
  • Braids e.g. made of chemical fibers.
  • tension members 1 impart the required tensile strength and / or longitudinal stiffness to the transmission means according to the invention.
  • a preferred embodiment of the transmission means contains tension members 1 made of cylon fibers.
  • Zylon is a trademark of Toyobo Co. Ltd., Japan, and relates to synthetic fibers made from poly (p-phenylene-2,6-benzobisoxazole) (PBO). These fibers outperform those of steel strands and other known fibers in the properties which are decisive for the application according to the invention.
  • the elongation and the meter weight of the transmission medium can be reduced by using Zylon fibers, whereby the breaking strength is higher at the same time.
  • the tension members 1 should be embedded in the V-ribbed belt in such a way that adjacent fibers or strands do not touch.
  • a degree of filling ie a ratio between the total cross-section of all traction and the cross-section of the belt, proven to be at least 20%.
  • V-ribbed belt 13 which is also suitable as a transmission means for elevator systems.
  • a flat tension layer 51 forms the core of the V-ribbed belt 13 here.
  • This tension layer 51 extends essentially over the entire belt length and the entire belt width.
  • the tension layer 51 can consist of an unreinforced material layer, for example of a polyamide film, or can be formed from a film reinforced with chemical fibers. Such a reinforced film could, for example, contain the above-mentioned cylon fibers embedded in a suitable plastic matrix.
  • the tensile layer 51 gives the flat belt the required tensile and creep resistance, but is also sufficiently flexible to be able to withstand a sufficiently high number of bending processes when deflecting around a belt pulley.
  • the V-ribbed layer 53 can consist, for example, of polyurethane or an NBR elastomer (nitrile butadiene rubber) and is connected to the tensile layer 51 over the whole or part of the surface, directly or via an intermediate layer.
  • the rear side of the V-ribbed belt has a cover layer 54 which is connected to the tensile layer 51 like the V-ribbed layer and which is advantageously designed as a sliding coating.
  • a cover layer 54 which is connected to the tensile layer 51 like the V-ribbed layer and which is advantageously designed as a sliding coating.
  • This one with an all-over tensile layer V-ribbed belts can also have a guide rib as already described in connection with FIG. 15.
  • FIG. 17 shows another transmission means that can be used in elevator systems and that is suitable for achieving the object according to the invention.
  • It is a flat belt 50 constructed from several layers of different materials.
  • the core of the flat belt contains at least one flat tensile layer 51, which consists, for example, of an unreinforced polyamide film, or of a plastic film that is reinforced with chemical fibers embedded in the plastic matrix ,
  • This tensile layer 51 gives the flat belt the required tensile and creep strength, but is also flexible enough to be able to withstand a sufficiently high number of bending processes when deflecting around a belt pulley.
  • the flat belt 50 also has an outer, front-side friction layer 55, for example made of an NBR elastomer (nitrile butadiene rubber), and an outer, rear cover layer 54, which, depending on the elevator system, is designed as a friction or sliding lining.
  • Intermediate layers 56 can be present between said main layers, which impart the required adhesion between said layers and / or increase the flexibility of the flat belt.
  • friction layers with friction values of 0.5 to 0.7 compared to steel pulleys are available, which are also very abrasion-resistant.
  • the lateral guidance of the flat belt 50 is usually ensured, as shown in FIG.
  • FIGS. 1A and 1B A first embodiment of an elevator system 10 according to the invention is shown in FIGS. 1A and 1B.
  • FIG. 1A shows a section through the head end of the elevator shaft 11.
  • the elevator car 12 as well as a counterweight 15 are moved via a V-ribbed belt transmission means 13 within the
  • a stationary drive 14 which acts on the V-ribbed belt transmission means 13 via a drive pulley 16.1.
  • the drive 14 is mounted on a bracket 9 which is supported on or on one or more guide rails 18 of the elevator system.
  • the console 9 can be supported in or on the shaft wall.
  • the V-ribbed belt transmission means 13 is fixed at one end in the area of the console 9, leads downward from this fixed point to a suspension pulley 16.2 of a counterweight 15, wraps around this suspension pulley 16.2, leads up to the drive pulley 16.1, wraps it around, leads downwards one below the elevator car 12 attached to this first deflection pulley 16.3, from there horizontally under the elevator car 12 to a second below the elevator car 12 attached to this deflection pulley 16.3 and then up again to a second, designated support structure 8.
  • the cabin 12 is moved up or down via the V-ribbed belt transmission means 13.
  • the guide plane 20 formed by the two car guide rails 18, as shown in FIG. 1B, is at an angle a of 15 to 20 relative to the strand of the V-ribbed belt transmission means 13 that passes through the elevator car 12, that is to say to the transverse axis of the elevator car 12 Degrees twisted.
  • the cabin guide rails can be positioned outside of the V-ribbed belt Transmission means 13 and the belt pulleys occupied space can be placed, whereby it is achieved that on the one hand the axis of the strand of the V-ribbed belt transmission means 13 passing under the elevator car 12 can be arranged below the car center of gravity S when this is in the guide plane formed by the car guide rails 18 20 lies.
  • the claimed shaft width is minimized.
  • Management level 20 lies, the executives are minimized when safety brakes engage the cabin guide rails 18.
  • the small size of the deflecting pulleys 16.3 attached to the cabin 12 allows the substructure, usually referred to as a bottom block 17, below the elevator car 12, in which these deflecting pulleys 16.3 are installed, to be constructed with small dimensions.
  • This lower block 17 can preferably even be integrated into the cabin floor with the Ümlenk pulleys 16.3.
  • FIG. 2 A cross section through a similar embodiment is shown in FIG. 2.
  • the elevator car 12 is moved via a V-ribbed belt transmission means 13 within the shaft 11.
  • a stationary drive 14 is provided which drives the V-ribbed belt transmission means 13.
  • V-ribbed belt transmission means 13 to guide accordingly.
  • the drive 14 is mounted stationary above the upper end position of the counterweight 15.
  • the drive 14 is mounted on a bracket 9 which is supported on or on one or more guide rails 18 of the elevator system 10.
  • the bottom block 17 lies at right angles to the side walls of the elevator shaft 11 in the plane of the drawing.
  • the arrangement of the V-ribbed belt transmission means 13 below the center of gravity S means that only a small number of managers occur on the cabin guide rails 18. Otherwise, this second embodiment is essentially the same as the first embodiment.
  • the cabin guide rails 18 are arranged eccentrically, ie the guide level 20 is located between the car door 7 and the center of gravity S of the elevator car 12, which in the case shown lies on the central axis of the V-ribbed belt transmission means 13.
  • the counterweight 15 is suspended 2: 1 with the deflecting pulley 16.2 and the cabin 12 with the deflecting pulley 16.3 (2: 1 sheathing).
  • FIG. 3 shows a cross section through a further embodiment of an elevator system 10.
  • the drive 14 is supported on the counterweight rails 19 and on one of the car rails 18.
  • the fixed point of the V-ribbed belt transmission means 13 on the second cabin rail 18 is supported on the opposite side.
  • cabin 12 and counterweight 15 are suspended 2: 1.
  • the diagonal course of the V-ribbed belt transmission means 13 enables a cabin 12, which is guided and suspended centrally with respect to the cabin center of gravity S, with the advantages described in connection with FIG. 2.
  • the drive 14 is supported on the two counterweight rails 19 and on an elevator rail 18.
  • the fixed point for the ends of the V-ribbed belt transmission means is fixed here
  • V-ribbed belt transmission means 13.1 and 13.2 are provided, which run parallel to one another.
  • cabin 12 and counterweight 15 are suspended 2: 1.
  • the distribution of the V-ribbed belt transmission means m two parallel strands 13.1 and 13.2 enables a central guidance and a central suspension of the elevator car 12 with respect to the center of gravity S with the advantages described in connection with FIG.
  • FIGS. 5A and 5B A different arrangement 10 is shown in FIGS. 5A and 5B.
  • the drive 14 is arranged outside the cabin projection above the upper end position of the counterweight 15.
  • the drive can contain a synchronous or an asynchronous motor.
  • the drive 14 is preferably placed on a carrier which rests on or on the guide rails 18 of the cabin 12 and the guides 19 to the counterweight 15.
  • cabin 12 and counterweight 15 are suspended 1: 1.
  • the V-ribbed belt transmission means 13 is arranged half to the left and half to the right of the elevator car 12.
  • the first half 13.1 of the V-ribbed belt transmission means 13 leads from the counterweight 15 via the drive pulley 16.2 to a fixed point on the elevator car 12 near the floor.
  • the second half 13.2 of the V-ribbed belt transmission means 13 leads from the counterweight 15 via the drive pulley 16.1 along the shaft ceiling 21 via the cabin 12. There it is deflected by a deflection pulley 16.4 and to a second one on the elevator car 12 near the floor Fixed point led.
  • the two guide rails 18 are preferably connected to one another at the upper end (for example via a cross member 24) in order to absorb the horizontally directed belt force.
  • the V-ribbed belt transmission means 13 and the guide plane 20 of the elevator car 12 are arranged symmetrically to the axis with the center of gravity S. Your distance from this axis is small to the managers, on the one hand in normal operation, on the other hand when engaging a safety gear to keep it low.
  • FIG. 5C shows details of a drive 14 which is part of a machine room-less elevator system according to FIGS. 5A and 5B.
  • the drive 14 comprises a motor 40 which is connected to the drive pulley 16.1 by a shaft 45.
  • the drive 14 shown is very compact.
  • the V-ribbed belts 13 can wrap around the drive pulley 16.1 at 180 degrees or only 90 degrees, depending on the direction in which the V-ribbed belt is to be led away from the drive pulley 16.1.
  • FIGS. 6A and 6B Another embodiment is shown in FIGS. 6A and 6B.
  • the drive 14 is arranged above the elevator shaft door 7 between the inner wall 21 and the outer wall 22 of the shaft. This is easily possible, since the diameter of the drive 14 is smaller than the shaft wall thickness D.
  • the drive 14 can be designed as a synchronous or asynchronous motor, as in the other embodiments. A small mass system, ie a drive with a low moment of inertia, is advantageously used as the drive.
  • the drive 14 is provided at both ends with a drive pulley 16.1. Both the drive spools 16.1 and the drive 14 can be attached to a common support 43.
  • the system 10 is equipped with two counterweights 15, which are each arranged on one side of the elevator car 12.
  • the V-ribbed belt transmission means 13 are arranged symmetrically on the left and right side of the elevator car 12. First runs of the V-ribbed belt transmission means 13 lead from the drive pulleys 16.1 to the first Ümlenk pulleys 16.5 fixedly mounted at the same height, and downwards from them Ümlenkpulleys 16.6 attached to the elevator car 12 on both sides, loop around them and lead upwards to fixed points 25.1. Second runs of the V-ribbed belt transmission means 13 lead from the drive pulleys 16.1 to second fixed pulleys 16.7 fixed at the same height, from these downward to the pulleys 16.8 attached to the counterweights 15, loop around them and lead upward to fixed points 25.2.
  • a carrier 44 is mounted on both sides of the elevator car 12 on the counterweight guide rails 19 and the car guide rails 18, which carriers 44 carry the Ümlenk pulleys 16.5 and 16.7 and the fixed points 25.1 and 25.2.
  • the carrier 44 can form a U-shaped support structure with the support 43 of the drive 14. Forces that act horizontally and vertically are therefore not transferred to the shaft structure.
  • the car guide rails 18 and the Ümlenk pulleys 16.6 fastened to the elevator car 12 are arranged in the direction of the car depth as close as possible to the car center of gravity S, so that the executives remain small in normal operation as well as when catching.
  • 6C shows details of a first drive 14 which is part of a machine room-less elevator system according to FIGS. 6A and 6B.
  • the drive 14 comprises a motor 40 and one or two brakes 41.
  • the two drive pulleys 16.1 are connected to the support 43 by support elements 44.
  • Insulated torque supports 42 are used to fasten the motor 40 to the support 43.
  • the shaft 45 is continuous.
  • the drive shown has low rotating masses and, due to its small size, is suitable for installation in the shaft wall.
  • 6D shows details of a second drive 14 which is part of a machine room-less elevator system according to FIGS. 6A and 6B.
  • the drive 14 shown has a split shaft 46 which is provided with two coupling elements 47. Otherwise this drive corresponds to that in
  • the drive 14 can be serviced from inside the shaft.
  • FIGS. 7A and 7B A further development of the embodiment according to FIGS. 6A and 6B is shown in FIGS. 7A and 7B.
  • the embodiment differs in that two separate drives 14.1 and 14.2 are provided.
  • the cabin 12 and the counterweights 15 are suspended 2: 1.
  • the side view in FIG. 7B shows the bending of the V-ribbed belt transmission means 13 which is always in the same direction, which counteracts their premature wear.
  • Fig. 8 shows a first such embodiment.
  • the cabin 12 and the counterweight 15 are connected to one another with suspension means 33 in the form of ropes (eg steel ropes, aramid ropes), flat belts, toothed belts or chains.
  • a Umlenkpulley 31 is provided on the shaft head and can on the Guide rails (not shown) to be supported.
  • the drive 14 is located on the shaft floor 32.
  • the drive 14 moves the cabin 12 by means of V-ribbed belt drive means 13.
  • the V-ribbed belt drive means 13 is connected at one end to the lower side of the counterweight 15.
  • the necessary clamping force can be generated, for example, by means of a compression spring 34 or by means of an appropriate counterweight.
  • the drive 14 has a reduction 35.
  • a smaller drive 14 can thus be used.
  • the drive 14 can be coupled to the reduction 35 via a V-belt or the like.
  • FIGS. 10A and 10B A further embodiment of the invention is shown in FIGS. 10A and 10B.
  • the counterweight 15 is connected 1: 1 to the elevator car 12 by means of a suspension element 33 and a plurality of deflecting pulleys 31.
  • the suspension means 33 can either be attached to the elevator car 12 only on the left (as shown) or on both sides of the elevator car 12 (in dashed lines). These connections have a purely supporting function.
  • the drive 14 is located above the counterweight 15 and is carried by a support 37 which is preferably attached to the guide rails 18, 19.
  • the counterweight 15 balances 100% of the cabin weight and part of the payload.
  • a V-ribbed belt 13 is attached directly to the top of the counterweight 15 (1: 1 attachment), deflected by 180 degrees via the drive pulley 16.1 and guided to the tensioning roller 38 located on the shaft floor 32.
  • the tensioning roller 38 again deflects the V-ribbed belt 13 by 180 degrees, after which it is moved upwards to the lower end of the Counterweight 15 performed and attached there.
  • the tensioning roller 38 can be installed in a lever mechanism 39 which tensions the V-ribbed belt 13 by means of spring or weight.
  • FIGS. 10A and 10B can be modified by, for example, guiding the V-ribbed belt 13 by means of a suitable arrangement of pulleys in such a way that it forms a so-called 2: 1 cover, via which the drive 14 drives the counterweight 15 (as related to
  • FIG. 11 Another embodiment is shown in FIG. 11.
  • the drive 14 is located between the elevator car 12 and the wall of the shaft 11.
  • the elevator car 12 and the counterweight 15 are guided on common guide rails 18.
  • these rails have a special profile.
  • Either drive pulleys 16.1 can be provided on both sides of the drive 14 or only on one side of the drive 14.
  • Figure 1 shows a 1: 1 wrap.
  • a version with a 2: 1 wrap is possible if the V-ribbed belts 13, as shown for example in FIG. 1, are passed under the elevator car 12 and fixed in the shaft head on the other side of the car.
  • FIG. 12 Another compact drive 14 is shown in FIG. 12.
  • This drive 14 is characterized in that it has two drive pulleys 16.1.
  • the drive 14 further comprises a motor 40, a brake 41 and a continuous shaft 45.
  • the two drive pulleys 16.1 each sit at one end of the shaft 45.
  • the drive 14 is particularly suitable for designed the installation laterally above the cabin 12.
  • the V-ribbed belt has teeth that are designed to be highly wear-resistant.
  • the stationary drive is either housed in a machine room, or the drive is located in or on the elevator shaft.

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  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Vehicle Body Suspensions (AREA)
  • Paper (AREA)
  • Lubricants (AREA)
  • Types And Forms Of Lifts (AREA)
  • Adhesives Or Adhesive Processes (AREA)
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Abstract

The invention relates to an elevator system (10) comprising an elevator car (12), a drive mechanism (14), a belt-like transmission means (13) and one or two counterweights. The drive mechanism (14) is stationary and the transmission means is advantageously configured in the form of a V-ribbed belt (13) cooperating with the drive mechanism (14) in order to move the elevator car (12) by transmitting a force in a frictionally engaging manner. The transmission means (belt) may be reinforced with chemical fibers, preferably made of zylon (PBO).

Description

Aufzug mit riemenartigem Übertragungsmittel, insbesondere w Elevator with belt-like transmission means, especially w
Jtait Keilrippen-Riemen, als Tragmittel und/oder TreibmittelJtait V-ribbed belts, as a suspension and / or propellant
Gegenstand der Erfindung sind ein Aufzugssystem sowie riemenartige Übertragungsmittel wie in den Patentansprüchen definiertThe invention relates to an elevator system and belt-like transmission means as defined in the claims
Aufzugssysteme dieser Art weisen üblicherweise eine Aufzugkabine auf, die in einem Aufzugschacht oder frei entlang einer Führungseinrichtung bewegbar ist. Zum Erzeugen derElevator systems of this type usually have an elevator car, which can be moved in an elevator shaft or freely along a guide device. To generate the
Bewegung weist das Aufzugssystem einen Antrieb auf, der über Übertragungsmittel mit der Aufzugkabine und einem Ausgleichsgewicht (auch Gegengewicht genannt) zusammenwirkt.Movement, the elevator system has a drive which interacts with the elevator car and a counterweight (also called counterweight) via transmission means.
Man unterscheidet Au zugssysteme, bei denen Stahlseile runden Querschnitts als Übertragungsmittel eingesetzt werden und neuere Aufzugssysteme, die flache Riemen als Übertra- gungsungsmittel aufweisen.A distinction is made between hoist systems in which steel cables with a round cross-section are used as the transmission medium and newer elevator systems with flat belts as the transmission medium.
Ein Beispiel eines Aufzugssystems mit flachem Übertragungsmittel ist aus der PCT-Patentanmeldung WO 99/43602 bekannt. Die Aufzugkabine ge äss dieser Patentanmeldung wird durch einen Antrieb bewegt, der an dem Ausgleichsgewicht sitzt und sich solidarisch mit dem Gewicht bewegt.An example of an elevator system with a flat transmission means is known from PCT patent application WO 99/43602. The elevator car according to this patent application is moved by a drive which sits on the counterweight and moves in solidarity with the weight.
Das beschriebene System hat den Nachteil, dass der als Übertragungsmittel verwendete Riemen nicht das mit bestimmten anderen riemenartigen Übertragungsmitteln erreichbare optimale Traktionsverhalten aufweist, und dass die Energie- zufuhr zum Antriebsmotor wie auch die Übertragung vonThe system described has the disadvantage that the belt used as the transmission means does not have the optimum traction behavior that can be achieved with certain other belt-like transmission means, and that the energy supply to the drive motor and the transmission of
Signalen von zugehörigen Steuer- und Regelungseinrichtungen über lange, flexible Kabel erfolgen uss. Ein weiteres Aufzugssystem mit zahnriemenartigem Übertragungsmittel ist aus der PCT-Patentanmeldung WO 99/43592 bekannt. Bei der beschriebenen und beanspruchten Anordnung ist der Antrieb im Gegengewicht integriert, und ein im Aufzugschacht fixiertes zahnriemenartiges Übertragungsmittel dient zum Übertragen der Antriebskraft zwischen Gegengewicht und Aufzugsschacht . Da die Aufzugkabine und das Ausgleichgewicht an einem vom genannten zahnriemenartigen Übertragungsmittel getrennten eigentlichen Tragmittel hängen, übertragen Antrieb und Übertragungsmittel nur die Differenzkraft zwischen dem Gegengewicht dem Gewicht der Aufzugkabine .Signals from the associated control and regulating devices take place via long, flexible cables. Another elevator system with toothed belt-type transmission means is known from PCT patent application WO 99/43592. In the arrangement described and claimed, the drive is integrated in the counterweight, and a toothed belt-like transmission means fixed in the elevator shaft is used to transmit the driving force between the counterweight and the elevator shaft. Since the elevator car and the balance weight depend on an actual suspension element separate from the aforementioned toothed belt-type transmission means, the drive and transmission means only transmit the differential force between the counterweight to the weight of the elevator car.
Dieses System weist dieselben Nachteile auf, wie das vorstehend beschriebene und hat den zusätzlichen Nachteil, dass für die Antriebsfunktion ein Zahnriemen und für die Tragfunktion ein anderes Mittel zum Einsatz kommen. Im Vergleich mit einem System, bei dem Antriebs- und Tragfunktion über dasselbe Mittel erfolgt, ist bei diesem System auch eine grössere Anzahl von Rollen oder Pulleys erforder- lieh.This system has the same disadvantages as the one described above and has the additional disadvantage that a toothed belt is used for the drive function and another means are used for the support function. Compared to a system in which the drive and support functions are carried out using the same means, this system also requires a larger number of rollers or pulleys.
Ein andersartiges Aufzugssystem mit zahnriemenartigem Übertragungsmittel ist aus dem US-Patent 5,191,920 bekannt. In dem gezeigten Aufzugsystem steht das zahnriemenartige Übertragungsmittel im Aufzugschacht still. Die Antriebseinheit befindet sich an der Aufzugkabine bzw. an dem sogenannten Lastaufnahmemittel .Another type of elevator system with a toothed belt-type transmission means is known from US Pat. No. 5,191,920. In the elevator system shown, the toothed belt-like transmission means stands still in the elevator shaft. The drive unit is located on the elevator car or on the so-called load suspension device.
Dieses System weist daher dieselben Nachteile auf, wie das in WO 99/43602 beschriebene. Ein zusätzlicher Nachteil ist hier, dass durch den Au zugsantrieb das Gewicht des Lastaufnahmemittels und somit die erforderliche Antriebsleistung erhöht wird. Die in den genannten Dokumenten offenbarten Riemen weisen gewisse Nachteile auf. Flachriemen haben in Aufzugseinrich- tungen mit im Verhältnis zur Nutzlast leichten Aufzugkabinen eine ungenügende Traktionsfähigkeit. Bei Zahnriemen besteht das Problem, dass diese nicht auf dem Antriebspulley rutschen, wenn die Aufzugkabine oder das Gegengewicht infolge einer Steuerungspanne auf ihren Endlagenpuffern aufliegen. Ausserdem ist die Zentrierung des Riemens auf den Riemenpulleys nicht problemlos zu realisieren. Es müssen gegebenenfalls spezielle Massnahmen an den Pulleys getroffen werden, um zu verhindern, dass der Riemen aus der zentralen Lage heraus läuft.This system therefore has the same disadvantages as that described in WO 99/43602. An additional disadvantage here is that the weight of the load handler and thus the required drive power is increased by the pull-out drive. The belts disclosed in the cited documents have certain disadvantages. Flat belts have inadequate traction in elevator systems with light elevator cars in relation to the payload. The problem with toothed belts is that they do not slip on the drive pulley if the elevator car or the counterweight lie on their end position buffers as a result of a control failure. In addition, the centering of the belt on the belt pulleys is not easy to implement. If necessary, special measures must be taken on the pulleys to prevent the belt from running out of the central position.
Die Aufgabe der Erfindung wird somit darin gesehen, ein verbessertes Aufzugssystem der eingangs genannten Art zu schaffen, welches Nachteile der bekannten Systeme reduziert oder vermeidet.The object of the invention is therefore seen in creating an improved elevator system of the type mentioned at the outset, which reduces or avoids disadvantages of the known systems.
Die Lösung dieser Aufgabe ist in den Patentansprüchen definiert .The solution to this problem is defined in the claims.
Das erfindungsgemässe Aufzugssystem weist eine Aufzugkabine, einen Antrieb, riemenartige Übertragungsmittel, vorzugsweise einen Keilrippen-Riemen, und ein Gegengewicht auf. DerThe elevator system according to the invention has an elevator car, a drive, belt-like transmission means, preferably a V-ribbed belt, and a counterweight. The
Antrieb ist stationär und die Übertragungsmittel wirken mit dem Antrieb zusammen, um die Aufzugkabine durch Übertragung einer Kraft zu bewegen. Im Folgenden wird die Erfindung anhand von Ausführungsbeispielen und mit Bezug auf die Zeichnung beschrieben. Es zeigen:Drive is stationary and the transmission means cooperate with the drive to move the elevator car by transmitting a force. The invention is described below using exemplary embodiments and with reference to the drawing. Show it:
Fig. 1A ein erstes Aufzugssystem gemäss Erfindung, in stark vereinfachter und schematisierter Schnitt- darstellung, mit einem Keilrippen-Riemen als Übertragungsmittel .1A shows a first elevator system according to the invention, in a greatly simplified and schematic sectional illustration, with a V-ribbed belt as a transmission means.
Fig. 1B das erste Aufzugssystem, in stark vereinfachter und schematisierter Draufsicht, mit einem Keilrippen-Riemen als Übertragungsmittel.Fig. 1B, the first elevator system, in a highly simplified and schematic plan view, with a V-ribbed belt as a transmission means.
Fig. 2 ein zweites Aufzugssystem, in stark vereinfachter und schematisierter Draufsicht, mit einem Keilrippen-Riemen als Übertragungsmittel.Fig. 2 shows a second elevator system, in a highly simplified and schematic plan view, with a V-ribbed belt as a transmission means.
Fig. 3 ein drittes Aufzugssystem, in stark vereinfachter und schematisierter Draufsicht, mit einem Keilrip- pen-Riemen als Übertragungsmittel.3 shows a third elevator system, in a greatly simplified and schematic plan view, with a V-ribbed belt as a transmission means.
Fig. 4 ein viertes Aufzugssystem, in stark vereinfachter und schematisierter Draufsicht, mit zwei Keilrippen-Riemen als Übertragungsmittel.Fig. 4 shows a fourth elevator system, in a highly simplified and schematic plan view, with two V-ribbed belts as a transmission means.
Fig. 5A ein fünftes Aufzugssystem gemäss Erfindung, in stark vereinfachter und schematisierter Schnittdarstellung, mit einem Keilrippen-Riemen als Übertragungsmittel .5A shows a fifth elevator system according to the invention, in a greatly simplified and schematic sectional illustration, with a V-ribbed belt as a transmission means.
Fig. 5B das fünfte Aufzugssystem, in stark vereinfachter und schematisierter Draufsicht, mit einem Keilrippen-Riemen als Übertragungsmittel. Fig. 5C einen Motor, in stark vereinfachter und schematisierter Darstellung, der als Antrieb für das fünfte Aufzugssystem geeignet ist .Fig. 5B, the fifth elevator system, in a highly simplified and schematic plan view, with a V-ribbed belt as a transmission means. 5C shows a motor, in a highly simplified and schematic representation, which is suitable as a drive for the fifth elevator system.
Fig. 6A ein sechstes Aufzugssystem gemäss Erfindung, in stark vereinfachter und schematisierter Draufsicht, mit zwei Keilrippen-Riemen als Übertragungsmittel .6A shows a sixth elevator system according to the invention, in a greatly simplified and schematic plan view, with two V-ribbed belts as the transmission means.
Fig. 6B das sechste Aufzugssystem, in stark vereinfachter und schematisierter Schnittdarstellung, mit zwei Keilrippen-Riemen als Übertragungsmittel.Fig. 6B, the sixth elevator system, in a greatly simplified and schematic sectional view, with two V-ribbed belts as a transmission means.
Fig. 6C einen ersten Motor, in stark vereinfachter und schematisierter Darstellung, der als Antrieb für das sechste Aufzugssystem geeignet ist.6C shows a first motor, in a highly simplified and schematic representation, which is suitable as a drive for the sixth elevator system.
Fig. 6D einen zweiten Motor, in stark verein achter und schematisierter Darstellung, der als Antrieb für das sechste Aufzugssystem geeignet ist.6D shows a second motor, in a highly simplified and schematic representation, which is suitable as a drive for the sixth elevator system.
Fig. 7A ein siebtes Aufzugssystem gemäss Erfindung, in stark vereinfachter und schematisierter Drauf- sieht, mit zwei Keilrippen-Riemen als Übertragungsmittel .7A shows a seventh elevator system according to the invention, seen in a greatly simplified and schematic plan view, with two V-ribbed belts as the transmission means.
Fig. 7B das siebte Aufzugssystem, in stark vereinfachter und schematisierter Schnittdarstellung, mit zwei Keilrippen-Riemen als Übertragungsmittel.7B shows the seventh elevator system, in a greatly simplified and schematic sectional illustration, with two V-ribbed belts as the transmission means.
Fig. 8 ein achtes Aufzugssystem gemäss Erfindung, in stark vereinfachter und schematisierter Schnittdarstellung, mit einem Keilrippen-Riemen als Treibmittel und einem getrennten Tragmittel .8 an eighth elevator system according to the invention, in highly simplified and schematic sectional view, with a V-ribbed belt as a propellant and a separate suspension element.
Fig. 9 ein neuntes Aufzugssystem gemäss Erfindung, in stark vereinfachter und schematisierter Schnittdarstellung, mit einem Keilrippen-Riemen als Treibmittel und einem getrennten Tragmittel .9 shows a ninth elevator system according to the invention, in a greatly simplified and schematic sectional illustration, with a V-ribbed belt as a propellant and a separate suspension element.
Fig. 10A ein zehntes Aufzugssystem gemäss Erfindung, in stark vereinfachter und schematisierter Schnittdarstellung, mit zwei Keilrippen-Riemen als Übertragungsmittel .10A shows a tenth elevator system according to the invention, in a greatly simplified and schematic sectional illustration, with two V-ribbed belts as the transmission means.
Fig. 10B das zehnte Aufzugssystem, in stark vereinfachter und schematisierter Draufsicht, mit zwei Keilrippen-Riemen als Übertragungsmittel.10B shows the tenth elevator system, in a highly simplified and schematic plan view, with two V-ribbed belts as a transmission means.
Fig. 11 ein elftes Aufzugssystem, in stark vereinfachter und schematisierter Draufsicht.11 shows an eleventh elevator system, in a highly simplified and schematic plan view.
Fig. 12 einen weiteren Motor, in stark vereinfachter und schematisierter Darstellung, der als Antrieb für verschiedene Aufzugssystem gemäss Erfindung geeig- net ist.12 shows a further motor, in a highly simplified and schematic representation, which is suitable as a drive for various elevator systems according to the invention.
Fig. 13 ein erfindungsgemässes Übertragungsmittel in Form eines Keilrippen-Riemens .13 shows a transmission means according to the invention in the form of a V-ribbed belt.
Fig. 14 einen weiteren Keilrippen-Riemen, gemäss Erfindung.Fig. 14 shows another V-ribbed belt, according to the invention.
Fig. 15 einen weiteren Keilrippen-Riemen, gemäss Erfin- düng,15 shows a further V-ribbed belt, according to the invention. fertil,
Fig. 16 einen weiteren erfindungsgemässen Keilrippen- Riemen mit Zugschicht .16 shows a further V-ribbed belt according to the invention with a tensile layer.
Fig. 17 ein erfindungsgemässes Übertragungsmittel in Form eines Flachriemens .17 an inventive transmission means in the form of a flat belt.
Fig. 18 ein Riemenpulley mit Bordscheiben.Fig. 18 a belt pulley with flanges.
Detaillierte BeschreibungDetailed description
In den folgenden Ausführungsformen kommen vorzugsweise sogenannte Keilrippen-Riemen - auch Keilrippenriemen genannt - zum Einsatz. Ein solcher Keilrippen-Riemen kann vorteilhafterweise als reibschlüssiges (haftschlüssiges) Trag- und/oder Antriebselement (Übertragungsmittel) für eine Aufzugkabine mit Gegengewicht eingesetzt werden. Der Keilrippen-Riemen ermöglicht, bei ähnlichen Laufeigenschaften wie ein Flachriemen, durch seine Form ein höheres Seilkraftverhältnis. Im Falle eines durch ein Riemenpulley angetriebenen Riemens bedeutet ein hohes Seilkraftverhältnis, dass die Zugkraft im auf das Riemenpulley auflaufenden (gezogenen) Trum des Riemens wesentlich höher sein kann, als im gleichzeitig vom Riemenpulley ablaufenden Trum. Bei der Anwendung eines Keilrippen-Riemen als Übertragungsmittel für eine Aufzugkabine mit Gegengewicht wirkt sich dieser Vorteil darin aus, dass auch eine sehr leichtgebaute Aufzugkabine mit einem viel schwereren Gegengewicht zusammenwirken kann, ohne dass das Übertragungsmittel auf dem Antriebspulley rutscht . Wie in den Fig. 13 bis 15 gezeigt, weist der Keilrippen- Riemen 13 mehrere in Längsrichtung parallel angeordnete keilförmige Rillen 5 und Keilrippen 6 auf. Diese keilförmigen Rillen 5 und Keilrippen 6 ermöglichen durch ihre Keilwirkung ein Seilkraftverhältnis von mehr als 2 bei einem Umschlingungswinkel von 180 Grad.In the following embodiments, so-called V-ribbed belts - also called V-ribbed belts - are preferably used. Such a V-ribbed belt can advantageously be used as a frictional (adhesive) support and / or drive element (transmission means) for an elevator car with a counterweight. With its similar running properties to a flat belt, the V-ribbed belt enables a higher rope force ratio due to its shape. In the case of a belt driven by a belt pulley, a high rope force ratio means that the tensile force in the run of the belt running onto the belt pulley can be considerably higher than in the run running simultaneously from the belt pulley. When using a V-ribbed belt as a transmission means for an elevator car with a counterweight, this advantage has the effect that even a very light-weight elevator car can interact with a much heavier counterweight without the transmission means slipping on the drive pulley. As shown in FIGS. 13 to 15, the V-ribbed belt 13 has a plurality of wedge-shaped grooves 5 and V-ribs 6 arranged in parallel in the longitudinal direction. These wedge-shaped grooves 5 and V-ribs 6 enable a rope force ratio of more than 2 at a wrap angle of 180 degrees due to their wedge effect.
Es ist ein weiterer Vorteil des Keilrippen-Riemens 13, dass er sich auf den ihn antreibenden oder führenden Pulleys selbst zentriert. Vorzugsweise wird der Keilrippen-Riemen 13 auf der Rückseite (d.h. auf der Seite, die keine keilförmigen Rillen 5 bzw. Keilrippen 6 aufweist) mit einer Führungsrippe 2 versehen, wie in Fig. 15 gezeigt. Diese Führungsrippe 2 hat die Aufgabe, bei einer Gegenbiegung des Keilrippen- Riemens, d. h. , wenn dieser ein Pulley mit gegen das Pulley gerichteter Riemen-Rückseite umläuft, den Keilrippen-Riemen in einer in der Lauffläche des Pulleys vorhandenen Führungsrille zu führen.Another advantage of the V-ribbed belt 13 is that it centers itself on the pulleys that drive or guide it. Preferably, the V-ribbed belt 13 is provided with a guide rib 2 on the rear side (i.e. on the side which has no wedge-shaped grooves 5 or V-ribs 6), as shown in FIG. 15. This guide rib 2 has the task of counter-bending the V-ribbed belt, d. H. , if it runs around a pulley with the belt back facing the pulley, guide the V-ribbed belt in a guide groove provided in the tread of the pulley.
Für die erfindungsgemässe Anwendung ist es von Vorteil, wenn die keilförmigen Rillen 5 der Keilrippen-Riemen 13 einen Rillenwinkel b von 80 Grad bis 100 Grad aufweisen. Vorzugsweise beträgt der Rillenwinkel b ca. 90 Grad. Dieser Rillenwinkel b ist wesentlich grösser als bei herkömmlichen Keil- rippen-Riemen. Durch den grösseren Rillenwinkel b erreicht man eine Reduktion des Laufgeräusches . Die selbstzentrierende Eigenschaft wie auch ein (vorstehend definiertes) erhöhtes Seilkraftverhältnis bleiben aber erhalten.For the application according to the invention, it is advantageous if the wedge-shaped grooves 5 of the V-ribbed belts 13 have a groove angle b of 80 degrees to 100 degrees. The groove angle b is preferably approximately 90 degrees. This groove angle b is much larger than with conventional V-ribbed belts. The larger groove angle b reduces the running noise. However, the self-centering property as well as a (defined above) increased rope force ratio are retained.
In einer weiteren Ausführungsform ist der Keilrippen-Riemen 13 auf der Rückseite, wie in Fig. 13 gezeigt, mit einer Schicht 4 versehen, die vorzugsweise gute Gleiteigenschaften hat. Diese Schicht 4 kann zum Beispiel eine Gewebeschicht sein. Bei mehrfach umgehängten Aufzugssystemen erleichtert dies die Montage .In a further embodiment, the V-ribbed belt 13 is provided on the back, as shown in FIG. 13, with a layer 4, which preferably has good sliding properties. This layer 4 can be a fabric layer, for example his. In the case of elevator systems that are suspended several times, this makes assembly easier.
Ein weiterer Keilrippen-Riemen 13 ist in Fig. 14 gezeigt. Dieser Keilrippen-Riemen hat sowohl keilförmige Rillen 5 und Rippen 6, die in Längsrichtung angelegt sind, als auch Querrillen 3. Diese Querrillen 3 verbessern die Biege- Flexibilität des Keilrippen-Riemens, so dass dieser mit Riemenpulleys mit reduziertem Durchmesser zusammenwirken kann.Another V-ribbed belt 13 is shown in FIG. 14. This V-ribbed belt has both wedge-shaped grooves 5 and ribs 6, which are arranged in the longitudinal direction, and transverse grooves 3. These transverse grooves 3 improve the bending flexibility of the V-ribbed belt so that it can interact with belt pulleys with a reduced diameter.
In den Fig. 13, 14 und 15 ist auch zu erkennen, dass das Übertragungsmittel (Keilrippen-Riemen 13) in dessen Längsrichtung orientierte Zugträger 1 enthält, die aus metalli- sehen Litzen (z.B. Stahllitzen) oder nicht-metallischen13, 14 and 15 it can also be seen that the transmission means (V-ribbed belt 13) contains tension members 1 oriented in its longitudinal direction, which are made of metallic strands (e.g. steel strands) or non-metallic strands
Litzen (z.B. aus Chemiefasern) bestehen. Solche Zugträger 1 verleihen den erfindungsgemässen Übertragungsmitteln die erforderliche Zugfestigkeit und/oder Längssteifigkeit . Eine bevorzugte Ausführungsform der Übertragungsmittel enthält Zugträger 1 aus Zylonfasern. Zylon ist ein Handelsname der Firma Toyobo Co. Ltd., Japan, und betrifft Chemiefasern aus Poly (p-phenylene—2, 6-benzobisoxazole) (PBO) . Diese Fasern übertreffen in den für die erfindungsgemässe Anwendung entscheidenden Eigenschaften diejenigen von Stahllitzen und von anderen bekannten Fasern. Die Längsdehnung und das Metergewicht des Übertragungsmittels können durch die Verwendung von Zylon-Fasern reduziert werden, wobei die Bruchkraft gleichzeitig höher ausfällt.Braids (e.g. made of chemical fibers). Such tension members 1 impart the required tensile strength and / or longitudinal stiffness to the transmission means according to the invention. A preferred embodiment of the transmission means contains tension members 1 made of cylon fibers. Zylon is a trademark of Toyobo Co. Ltd., Japan, and relates to synthetic fibers made from poly (p-phenylene-2,6-benzobisoxazole) (PBO). These fibers outperform those of steel strands and other known fibers in the properties which are decisive for the application according to the invention. The elongation and the meter weight of the transmission medium can be reduced by using Zylon fibers, whereby the breaking strength is higher at the same time.
Idealerweise sollten die Zugträger 1 so im Keilrippen-Riemen eingebettet sein, dass sich benachbarte Fasern oder Litzen nicht berühren. Als ideal hat sich ein Füllungsgrad, d. h. ein Verhältnis zwischen dem Gesamtguerschnitt aller Zugträ- ger und dem Querschnitt des Riemens, von mindestens 20% erwiesen.Ideally, the tension members 1 should be embedded in the V-ribbed belt in such a way that adjacent fibers or strands do not touch. A degree of filling, ie a ratio between the total cross-section of all traction and the cross-section of the belt, proven to be at least 20%.
Fig. 16 zeigt eine als Übertragungsmittel für Aufzugssysteme ebenfalls geeignete Ausführungsform des Keilrippen-Riemens 13. Anstelle der im Zusammenhang mit Fig. 13-15 erwähnten Zugträger aus metallischen oder nichtmetallischen Litzen, bildet hier eine flächige Zugschicht 51 den Kern des Keilrippen-Riemens 13, wobei diese Zugschicht 51 sich im Wesentlichen über die gesamte Riemenlänge und die gesamte Riemenbreite erstreckt. Die Zugschicht 51 kann aus einer unverstärkten Materialschicht, beispielsweise aus einer Polyamidfolie, bestehen, oder aus einer mit Chemiefasern verstärkten Folie gebildet sein. Eine solche verstärkte Folie könnte beispielsweise die vorstehend genannten Zylon- Fasern, eingebettet in eine geeignete Kunststoff-Matrix, enthalten.16 shows an embodiment of the V-ribbed belt 13 which is also suitable as a transmission means for elevator systems. Instead of the tension members made of metallic or non-metallic strands mentioned in connection with FIGS. 13-15, a flat tension layer 51 forms the core of the V-ribbed belt 13 here. this tension layer 51 extends essentially over the entire belt length and the entire belt width. The tension layer 51 can consist of an unreinforced material layer, for example of a polyamide film, or can be formed from a film reinforced with chemical fibers. Such a reinforced film could, for example, contain the above-mentioned cylon fibers embedded in a suitable plastic matrix.
Die Zugschicht 51 verleiht dem Flachriemen die erforderliche Zug- und Kriechfestigkeit, ist aber auch genügend flexibel, um eine ausreichend hohe Zahl von Biegevorgängen beim Umlenken um ein Riemenpulley ertragen zu können. Die Keilrippen-Schicht 53 kann beispielsweise aus Polyurethan oder aus einem NBR-Elastomer (Nitrile Butadiene Rubber) bestehen und ist ganz- oder teilflächig, direkt oder über eine Zwischenschicht mit der Zugschicht 51 verbunden. DieThe tensile layer 51 gives the flat belt the required tensile and creep resistance, but is also sufficiently flexible to be able to withstand a sufficiently high number of bending processes when deflecting around a belt pulley. The V-ribbed layer 53 can consist, for example, of polyurethane or an NBR elastomer (nitrile butadiene rubber) and is connected to the tensile layer 51 over the whole or part of the surface, directly or via an intermediate layer. The
Rückseite des Keilrippen-Riemens weist eine wie die Keilrippen-Schicht mit der Zugschicht 51 verbundene Deckschicht 54 auf, die vorteilhafterweise als Gleitbelag ausgeführt ist. Zwischen den genannten Haupt-Schichten können Zwischen- schichten (hier nicht dargestellt) vorhanden sein, die die erforderliche Haftung zwischen den genannten Schichten vermitteln und/oder die Flexibilität des Übertragungsmittels erhöhen. Dieser mit einer ganzflächigen Zugschicht versehene Keilrippen-Riemen kann auch eine wie bereits im Zusammenhang mit Fig. 15 beschriebene Führungsrippe aufweisen.The rear side of the V-ribbed belt has a cover layer 54 which is connected to the tensile layer 51 like the V-ribbed layer and which is advantageously designed as a sliding coating. There may be intermediate layers (not shown here) between the main layers mentioned, which impart the required adhesion between the layers mentioned and / or increase the flexibility of the transmission medium. This one with an all-over tensile layer V-ribbed belts can also have a guide rib as already described in connection with FIG. 15.
In Fig 17 ist ein weiteres in Aufzugssystemen anwendbares Übertragungsmittel dargestellt, das sich zur Lösung der erfindungsgemässen Aufgabe eignet. Es handelt sich dabei um einen aus mehreren Schichten unterschiedlicher Materialien aufgebauten Flachriemen 50. Der Flachriemen enthält im Kern wenigstens eine flächige Zugschicht 51, die beispielsweise aus einer unverstärkten Polyamidfolie besteht, oder aus einer Kunststoff-Folie, die mit in die Kunststoffmatrix eingebetteten Chemiefasern verstärkt ist. Diese Zugschicht 51 verleiht dem Flachriemen die erforderliche Zug- und Kriechfestigkeit, ist aber auch genügend flexibel, um eine ausreichend hohe Zahl von Biegevorgängen beim Umlenken um ein Riemenpulley ertragen zu können. Der Flachriemen 50 weist ausserdem eine äussere, vorderseitige Reibschicht 55, beispielsweise aus einem NBR-Elastomer (Nitrile Butadiene Rubber) auf, sowie eine äussere, rückseitige Deckschicht 54, die, je nach Aufzugssystem, als Reib- oder Gleitbelag ausgeführt ist. Zwischen den genannten Haupt-Schichten können Zwischenschichten 56 vorhanden sein, die die erforderliche Haftung zwischen den genannten Schichten vermitteln und/oder die Flexibilität des Flachriemens erhöhen. Zwecks Optimierung des vorerwähnten Seilkraftverhältnisses sind Reibschichten mit Reibwerten von 0,5 bis 0,7 gegenüber Stahlpulleys verfügbar, die zudem sehr abriebbeständig sind. Die seitliche Führung des Flachriemens 50 wird üblicherweise, wie in Fig. 18 dargestellt, durch an den Pulleys 16 angebrachte Bordscheiben 57 gewährleistet, eventuell in Kombination mit einer Bombierung der Pulley-Laufflächen . Eine erste Ausfuhrungsform eines erfindungsgemässen Aufzugssystems 10 ist in Fig. 1A und 1B dargestellt. Fig. 1A zeigt einen Schnitt durch das Kopfende des Aufzugschachtes 11. Die Aufzugkabine 12 wie auch ein Gegengewicht 15 werden über ein Keilrippen-Riemen-Ubertragungsmittel 13 innerhalb desFIG. 17 shows another transmission means that can be used in elevator systems and that is suitable for achieving the object according to the invention. It is a flat belt 50 constructed from several layers of different materials. The core of the flat belt contains at least one flat tensile layer 51, which consists, for example, of an unreinforced polyamide film, or of a plastic film that is reinforced with chemical fibers embedded in the plastic matrix , This tensile layer 51 gives the flat belt the required tensile and creep strength, but is also flexible enough to be able to withstand a sufficiently high number of bending processes when deflecting around a belt pulley. The flat belt 50 also has an outer, front-side friction layer 55, for example made of an NBR elastomer (nitrile butadiene rubber), and an outer, rear cover layer 54, which, depending on the elevator system, is designed as a friction or sliding lining. Intermediate layers 56 can be present between said main layers, which impart the required adhesion between said layers and / or increase the flexibility of the flat belt. In order to optimize the above-mentioned rope force ratio, friction layers with friction values of 0.5 to 0.7 compared to steel pulleys are available, which are also very abrasion-resistant. The lateral guidance of the flat belt 50 is usually ensured, as shown in FIG. 18, by flanges 57 attached to the pulleys 16, possibly in combination with a crowning of the pulley treads. A first embodiment of an elevator system 10 according to the invention is shown in FIGS. 1A and 1B. FIG. 1A shows a section through the head end of the elevator shaft 11. The elevator car 12 as well as a counterweight 15 are moved via a V-ribbed belt transmission means 13 within the
Schachtes 11 bewegt. Zu diesem Zweck ist ein stationärer Antrieb 14 vorgesehen, der über ein Antriebspulley 16.1 auf das Keilrippen-Riemen-Ubertragungsmittel 13 einwirkt. Der Antrieb 14 ist auf einer Konsole 9 montiert, die auf oder an einer oder mehreren Führungsschienen 18 des Aufzugssystems abgestutzt ist. In einer anderen Ausfuhrungsform kann die Konsole 9 in oder an der Schachtwand abgestutzt sein. Das Keilrippen-Riemen-Ubertragungsmittel 13 ist an seinem einen Ende im Bereich der Konsole 9 fixiert, fuhrt von diesem Fixpunkt aus abwärts zu einem Aufhangungspulley 16.2 eines Gegengewichts 15, umschlingt dieses Aufhangungspulley 16.2, fuhrt aufwärts zum Antriebspulley 16.1, umschlingt dieses, fuhrt abwärts zu einem unterhalb der Aufzugkabine 12 an dieser angebrachten ersten Umlenkpulley 16.3, von dort aus horizontal unter der Aufzugkabine 12 hindurch zu einem zweiten unterhalb der Aufzugkabine 12 an dieser angebrachten Umlenkpulley 16.3 und anschliessend wieder aufwärts zu einem zweiten, als Supportstruktur 8 bezeichneten Fixpunkt. Je nach Drehrichtung des Antriebes 14 wird die Kabine 12 über das Keilrippen-Riemen-Ubertragungsmittel 13 auf- oder abwärts bewegt.Shaft 11 moves. For this purpose, a stationary drive 14 is provided, which acts on the V-ribbed belt transmission means 13 via a drive pulley 16.1. The drive 14 is mounted on a bracket 9 which is supported on or on one or more guide rails 18 of the elevator system. In another embodiment, the console 9 can be supported in or on the shaft wall. The V-ribbed belt transmission means 13 is fixed at one end in the area of the console 9, leads downward from this fixed point to a suspension pulley 16.2 of a counterweight 15, wraps around this suspension pulley 16.2, leads up to the drive pulley 16.1, wraps it around, leads downwards one below the elevator car 12 attached to this first deflection pulley 16.3, from there horizontally under the elevator car 12 to a second below the elevator car 12 attached to this deflection pulley 16.3 and then up again to a second, designated support structure 8. Depending on the direction of rotation of the drive 14, the cabin 12 is moved up or down via the V-ribbed belt transmission means 13.
Die durch die beiden Kabinenfuhrungsschienen 18 gebildete Fuhrungsebene 20 ist, wie in Fig. 1B gezeigt, gegenüber dem unter der Aufzugkabme 12 hmdurchfuhrenden Strang des Keilrippen-Riemen-Ubertragungsmittel 13, d. h. gegenüber der Querachse der Aufzugkabine 12, um einem Winkel a von 15 bis 20 Grad verdreht angeordnet. Dadurch können die Kabinenfuhrungsschienen ausserhalb des vom Keilrippen-Riemen- Übertragungsmittel 13 und den Riemenpulleys beanspruchten Raums platziert werden, wodurch erreicht wird, dass einerseits die Achse des unter der Aufzugkabine 12 hindurchführenden Strangs des Keilrippen-Riemen-Übertragungsmittel 13 unterhalb des Kabinenschwerpunkts S angeordnet werden kann, wenn dieser in der durch die Kabinenführungsschienen 18 gebildete Führungsebene 20 liegt. Ausserdem wird damit die beanspruchte Schachtbreite minimiert .The guide plane 20 formed by the two car guide rails 18, as shown in FIG. 1B, is at an angle a of 15 to 20 relative to the strand of the V-ribbed belt transmission means 13 that passes through the elevator car 12, that is to say to the transverse axis of the elevator car 12 Degrees twisted. As a result, the cabin guide rails can be positioned outside of the V-ribbed belt Transmission means 13 and the belt pulleys occupied space can be placed, whereby it is achieved that on the one hand the axis of the strand of the V-ribbed belt transmission means 13 passing under the elevator car 12 can be arranged below the car center of gravity S when this is in the guide plane formed by the car guide rails 18 20 lies. In addition, the claimed shaft width is minimized.
Mit der Anordnung des unter der Aufzugkabine 12 hindurchführenden Strangs des Keilrippen-Riemen-Übertragungsmittels 13 unterhalb des Kabinenschwerpunkts S werden die zwischen Aufzugkabine 12 und Kabinenführungsschienen 18 auftretenden Führungskräfte im Normalbetrieb so gering wie möglich gehalten, und dadurch, dass der Schwerpunkt S in derWith the arrangement of the strand of the V-ribbed belt transmission means 13 passing underneath the elevator car 12 below the center of gravity S, the executives appearing between the elevator car 12 and the car guide rails 18 are kept as low as possible in normal operation, and in that the center of gravity S in the
Führungsebene 20 liegt, werden die Führungskräfte minimiert, wenn Fangbremsen an den Kabinenführungsschienen 18 angreifen.Management level 20 lies, the executives are minimized when safety brakes engage the cabin guide rails 18.
Bei der dargestellten Anordnung des Keilrippen-Riemen- Übertragungsmittels 13, des Aufhängungspulleys 16.2 und der unterhalb der Aufzugkabine 12 angebrachten Ümlenkpulleys 16.3 ergibt sich ein Verhältnis von Keilrippen-Riemen- Geschwindigkeit zu Kabinen- und Gegengewichtsgeschwindigkeit von 2:1 (2 : 1-Umhängung) . Dadurch wird gegenüber einer 1:1- Umhängung das vom Antrieb 14 aufzubringende Drehmoment auf die Hälfte reduziert.The arrangement of the V-ribbed belt transmission means 13, the suspension pulley 16.2 and the deflection pulleys 16.3 attached below the elevator car 12 results in a ratio of the V-ribbed belt speed to the car and counterweight speed of 2: 1 (2: 1 suspension) , As a result, the torque to be applied by the drive 14 is reduced by half compared to a 1: 1 suspension.
Da der bei Keilrippen-Riemen erforderliche Mindestradius an Antriebs- und ümlenkpulleys wesentlich geringer ist als bei den im Aufzugbau bisher üblichen Stahldraht-Tragseilen, ergeben sich mehrere Vorteile. Dank entsprechend reduziertem Durchmesser des Antriebspulleys 16.1, reduzieren sich das am Antrieb 14 erforderliche Drehmoment und somit die Abmessungen des Antriebs. Dadurch, und dank den ebenfalls in ihren Durchmessern reduzierten Ümlenkpulleys 16.2 und 16.3, ist die in Fig. 1 und 2 dargestellte Art der Ausführung und Anordnung des Aufzugs relativ kompakt und kann wie gezeigt im Schacht 11 untergebracht werden. Die geringe Grosse der an der Kabine 12 angebrachten Ümlenkpulleys 16.3 erlaubt, den üblicherweise als Unterflasche 17 bezeichneten Unterbau unterhalb der Aufzugkabine 12, in welchem diese Umlenkpul - leys 16.3 eingebaut sind, mit geringen Abmessungen auszuführen. Vorzugsweise kann diese Unterflasche 17 mit den Ümlenkpulleys 16.3 sogar in den Kabinenboden integriert werde .Since the minimum radius required for V-ribbed belts at the drive pulleys and Ummlenk pulleys is considerably smaller than with the steel wire suspension ropes that were previously common in elevator construction, there are several advantages. Thanks to the correspondingly reduced diameter of the drive pulley 16.1, this is reduced Drive 14 required torque and thus the dimensions of the drive. As a result, and thanks to the reduced diameter Umlenk pulleys 16.2 and 16.3, the type of design and arrangement of the elevator shown in FIGS. 1 and 2 is relatively compact and can be accommodated in the shaft 11 as shown. The small size of the deflecting pulleys 16.3 attached to the cabin 12 allows the substructure, usually referred to as a bottom block 17, below the elevator car 12, in which these deflecting pulleys 16.3 are installed, to be constructed with small dimensions. This lower block 17 can preferably even be integrated into the cabin floor with the Ümlenk pulleys 16.3.
Ein Querschnitt durch eine ähnliche Ausführungsform ist in Fig. 2 gezeigt. Die Aufzugkabine 12 wird über ein Keilrippen-Riemen-Übertragungsmittel 13 innerhalb des Schachtes 11 bewegt. Zu diesem Zweck ist ein stationärer Antrieb 14 vorgesehen, der das Keilrippen-Riemen-Übertragungsmittel 13 antreibt. Es sind mehrere Pulleys vorgesehen, um dasA cross section through a similar embodiment is shown in FIG. 2. The elevator car 12 is moved via a V-ribbed belt transmission means 13 within the shaft 11. For this purpose, a stationary drive 14 is provided which drives the V-ribbed belt transmission means 13. There are several pulleys to do this
Keilrippen-Riemen-Übertragungsmittel 13 entsprechend zu führen. Im gezeigten Ausführungsbeispiel ist der Antrieb 14 stationär über der oberen Endlage des Gegengewichtes 15 angebracht. Der Antrieb 14 ist auf einer Konsole 9 montiert, die auf oder an einer oder mehreren Führungsschienen 18 des Aufzugssystems 10 abgestützt ist. In dem gezeigten Beispiel liegt die Unterflasche 17 rechtwinklig zu den Seitenwänden des Aufzugschachtes 11 in der Zeichnungsebene. Durch die Anordnung des Keilrippen-Riemen-Übertragungsmittels 13 unterhalb des Kabinenschwerpunkts S, treten an den Kabinenführungsschienen 18 nur geringe Führungskräfte auf. Im übrigen gleicht diese zweite Ausführungsform im wesentlichen der ersten Ausführungsform. Die Kabinenführungsschienen 18 sind exzentrisch angeordnet, d.h. die Fuhrungsebene 20 befindet sich zwischen der Kabinenture 7 und dem Schwerpunkt S der Aufzugkabine 12, der im gezeigten Fall auf der Mittelachse des Keilrippen-Riemen-Ubertragungsmittels 13 liegt. In der gezeigten Ausfuhrung ist das Gegengewicht 15 mit dem Umlenkpulley 16.2 und die Kabine 12 mit den Ümlenkpulleys 16.3 2:1 aufgehängt (2:1 - Umhangung) .V-ribbed belt transmission means 13 to guide accordingly. In the exemplary embodiment shown, the drive 14 is mounted stationary above the upper end position of the counterweight 15. The drive 14 is mounted on a bracket 9 which is supported on or on one or more guide rails 18 of the elevator system 10. In the example shown, the bottom block 17 lies at right angles to the side walls of the elevator shaft 11 in the plane of the drawing. The arrangement of the V-ribbed belt transmission means 13 below the center of gravity S means that only a small number of managers occur on the cabin guide rails 18. Otherwise, this second embodiment is essentially the same as the first embodiment. The cabin guide rails 18 are arranged eccentrically, ie the guide level 20 is located between the car door 7 and the center of gravity S of the elevator car 12, which in the case shown lies on the central axis of the V-ribbed belt transmission means 13. In the embodiment shown, the counterweight 15 is suspended 2: 1 with the deflecting pulley 16.2 and the cabin 12 with the deflecting pulley 16.3 (2: 1 sheathing).
Fig. 3 zeigt einen Querschnitt durch eine weitere Ausfuh- rungsform eines Aufzugssystems 10. Der Antrieb 14 ist auf den Gegengewichtschienen 19 und auf einer der Kabinenschienen 18 abgestutzt. Auf der gegenüberliegenden Seite ist der Fixpunkt des Keilrippen-Riemen-Ubertragungsmittel 13 auf der zweiten Kabinenschiene 18 abgestutzt. Auch in dieser Ausfuhrungsform sind Kabine 12 und Gegengewicht 15 2:1 aufgehängt. Der diagonale Verlauf des Keilrippen-Riemen- Ubertragungsmittels 13 ermöglicht eine in Bezug auf den Kabinenschwerpunkt S zentrisch geführte und zentrisch aufgehängte Kabine 12 mit den im Zusammenhang mit Fig 2 beschriebenen Vorteilen.3 shows a cross section through a further embodiment of an elevator system 10. The drive 14 is supported on the counterweight rails 19 and on one of the car rails 18. The fixed point of the V-ribbed belt transmission means 13 on the second cabin rail 18 is supported on the opposite side. In this embodiment, cabin 12 and counterweight 15 are suspended 2: 1. The diagonal course of the V-ribbed belt transmission means 13 enables a cabin 12, which is guided and suspended centrally with respect to the cabin center of gravity S, with the advantages described in connection with FIG. 2.
Bei einer weiteren Ausfuhrungsform, die in Fig. 4 gezeigt ist, ist der Antrieb 14 auf den beiden Gegengewichtschienen 19 und auf einer Aufzugschiene 18 abgestutzt. Auf der gegenüberliegenden Seite ist der Fixpunkt für die hier zu fixierenden Enden des Keilrippen-Riemen-UbertragungsmittelsIn a further embodiment, which is shown in FIG. 4, the drive 14 is supported on the two counterweight rails 19 and on an elevator rail 18. On the opposite side is the fixed point for the ends of the V-ribbed belt transmission means to be fixed here
13 auf der zweiten Kabinenschiene 18 abgestutzt. Der Antrieb13 supported on the second cabin rail 18. The drive
14 steht mit zwei Antriebspulleys 16.1 in Verbindung. Es sind zwei Strange von Keilrippen-Riemen-Ubertragungsmitteln 13.1 und 13.2 vorgesehen, die zueinander parallel verlaufen. Auch in dieser Ausfuhrungsform sind Kabine 12 und Gegengewicht 15 2:1 aufgehängt. Die Aufteilung des Keilrippen- Riemen-Ubertragungsmittels m zwei parallele Strange 13.1 und 13.2 ermöglicht eine zentrische Führung und eine in Bezug auf den Kabinenschwerpunkt S zentrische Aufhängung der Aufzugkabine 12 mit den im Zusammenhang mit Fig 2 beschriebenen Vorteilen.14 is connected to two drive pulleys 16.1. Two strands of V-ribbed belt transmission means 13.1 and 13.2 are provided, which run parallel to one another. In this embodiment, cabin 12 and counterweight 15 are suspended 2: 1. The distribution of the V-ribbed belt transmission means m two parallel strands 13.1 and 13.2 enables a central guidance and a central suspension of the elevator car 12 with respect to the center of gravity S with the advantages described in connection with FIG.
Eine andersartige Anordnung 10 ist in den Fig. 5A und 5B gezeigt. Der Antrieb 14 ist ausserhalb der Kabinenprojektion über der oberen Endlage des Gegengewichtes 15 angeordnet. Der Antrieb kann, wie auch schon bei den vorhergehenden Ausführungsbeispielen, einen Synchron- oder einen Asynchronmotor enthalten. Vorzugsweise wird der Antrieb 14 auf einem Träger platziert, der auf oder an den Führungsschienen 18 der Kabine 12 und den Führungen 19 zum Gegengewicht 15 ruht. In dieser Ausführungsform sind Kabine 12 und Gegengewicht 15 1:1 aufgehängt. Das Keilrippen-Riemen-Übertragungsmittel 13 ist je zur Hälfte links und rechts der Aufzugkabine 12 angeordnet. Die erste Hälfte 13.1 des Keilrippen-Riemen- Übertragungsmittels 13 führt vom Gegengewicht 15 über das Antriebspulley 16.2 zu einem an der Aufzugkabine 12 in der Nähe des Bodens vorhandenen Fixpunkt. Die zweite Hälfte 13.2 des Keilrippen-Riemen-Übertragungsmittels 13 führt vom Gegengewicht 15 über das Antriebspulley 16.1 entlang der Schachtdecke 21 über die Kabine 12. Dort wird sie von einem Umlenkpulley 16.4 umgelenkt und zu einem zweiten an der Aufzugkabine 12 in der Nähe des Bodens vorhandenen Fixpunkt geführt. Die beiden Führungsschienen 18 werden am oberen Ende vorzugsweise miteinander verbunden (z.B. über einen Querträger 24), um die horizontal gerichtete Riemenkraft aufzufangen. Das Keilrippen-Riemen-Übertragungsmittel 13 und die Führungsebene 20 der Aufzugkabine 12 sind symmetrisch zur Achse mit dem Kabinenschwerpunkt S angeordnet . Ihr Abstand zu dieser Achse ist klein, um die Führungskräfte, einerseits im Normalbetrieb, andererseits beim Eingreifen einer Fangvorrichtung, gering zu halten.A different arrangement 10 is shown in FIGS. 5A and 5B. The drive 14 is arranged outside the cabin projection above the upper end position of the counterweight 15. As in the previous exemplary embodiments, the drive can contain a synchronous or an asynchronous motor. The drive 14 is preferably placed on a carrier which rests on or on the guide rails 18 of the cabin 12 and the guides 19 to the counterweight 15. In this embodiment, cabin 12 and counterweight 15 are suspended 1: 1. The V-ribbed belt transmission means 13 is arranged half to the left and half to the right of the elevator car 12. The first half 13.1 of the V-ribbed belt transmission means 13 leads from the counterweight 15 via the drive pulley 16.2 to a fixed point on the elevator car 12 near the floor. The second half 13.2 of the V-ribbed belt transmission means 13 leads from the counterweight 15 via the drive pulley 16.1 along the shaft ceiling 21 via the cabin 12. There it is deflected by a deflection pulley 16.4 and to a second one on the elevator car 12 near the floor Fixed point led. The two guide rails 18 are preferably connected to one another at the upper end (for example via a cross member 24) in order to absorb the horizontally directed belt force. The V-ribbed belt transmission means 13 and the guide plane 20 of the elevator car 12 are arranged symmetrically to the axis with the center of gravity S. Your distance from this axis is small to the managers, on the one hand in normal operation, on the other hand when engaging a safety gear to keep it low.
In Fig. 5C sind Details eines Antriebs 14 gezeigt, der Bestandteil eines maschinenraumlosen Aufzugssystem gemäss den Fig. 5A und 5B ist. Der Antrieb 14 umfasst einen Motor 40, der durch eine Welle 45 mit dem Antriebspulley 16.1 verbunden ist. Der gezeigte Antrieb 14 ist sehr kompakt. Die Keilrippen-Riemen 13 können das Antriebspulley 16.1 mit 180 Grad oder mit nur 90 Grad umschlingen, je nachdem in welche Richtung der Keilrippen-Riemen vom Antriebspulley 16.1 weggeführt werden soll.5C shows details of a drive 14 which is part of a machine room-less elevator system according to FIGS. 5A and 5B. The drive 14 comprises a motor 40 which is connected to the drive pulley 16.1 by a shaft 45. The drive 14 shown is very compact. The V-ribbed belts 13 can wrap around the drive pulley 16.1 at 180 degrees or only 90 degrees, depending on the direction in which the V-ribbed belt is to be led away from the drive pulley 16.1.
Eine weitere Ausführungsform ist in den Fig. 6A und 6B gezeigt. Der Antrieb 14 ist oberhalb der Aufzug-Schachttüre 7 zwischen der SchachtInnenwand 21 und der Schachtaussenwand 22 angeordnet. Dies ist ohne weiteres möglich, da der Durchmesser des Antriebs 14 kleiner ist als die Schachtwanddicke D. Der Antrieb 14 kann wie bei den anderen Ausfüh- rungsformen als Synchron- oder Asynchronmotor ausgelegt sein. Vorteilhafterweise wird als Antrieb ein Kleinmassensy- stem, d. h. ein Antrieb mit geringem Massenträgheitsmoment, eingesetzt. Der Antrieb 14 ist an den beiden Enden je mit einem Antriebspulley 16.1 versehen. Sowohl die Antriebspul- leys 16.1 als auch der Antrieb 14 können auf einem gemeinsamen Support 43 befestigt sein. Das System 10 ist mit zwei Gegengewichten 15 ausgestattet, die je auf einer Seite der Aufzugkabine 12 angeordnet sind. Die Keilrippen-Riemen- Übertragungsmittel 13 sind symmetrisch auf der linken und rechten Seite der Aufzugkabine 12 angeordnet. Erste Trums der Keilrippen-Riemen-Übertragungsmittel 13 führen von den Antriebspulleys 16.1 aus zu ersten auf gleicher Höhe fest montierten Ümlenkpulleys 16.5, von diesen aus abwärts zu beidseitig an der Aufzugkabine 12 angebrachten Ümlenkpulleys 16.6, umschlingen diese und führen aufwärts zu Fixpunkten 25.1. Zweite Trums der Keilrippen-Riemen-Übertragungsmittel 13 führen von den Antriebspulleys 16.1 aus zu zweiten auf gleicher Höhe fest montierten Ümlenkpulleys 16.7, von diesen aus abwärts zu an den Gegengewichten 15 angebrachten Ümlenkpulleys 16.8, umschlingen diese und führen aufwärts zu Fixpunkten 25.2. Oberhalb des vom Gegengewicht 15 in seiner obersten Lage beanspruchten Raums sind beidseits der Aufzugkabine 12 je ein Träger 44 auf den Gegengewichtsführungsschienen 19 und der Kabinenführungsschienen 18 montiert, welche Träger 44 die Ümlenkpulleys 16.5 und 16.7, sowie die Fixpunkte 25.1 und 25.2 tragen. Die Träger 44 können mit dem Support 43 des Antriebs 14 eine u-förmige Tragstruktur bilden. Horizontal und vertikal wirkende Kräfte werden somit nicht auf die SchachtStruktur übertragen. Die Kabinenführungsschienen 18 und die an der Aufzugkabine 12 befestigten Ümlenkpulleys 16.6 sind in Richtung der Kabinentiefe so nahe wie möglich beim Kabinenschwerpunkt S angeord- net, damit die Führungskräfte im Normalbetrieb wie auch beim Fangen gering bleiben.Another embodiment is shown in FIGS. 6A and 6B. The drive 14 is arranged above the elevator shaft door 7 between the inner wall 21 and the outer wall 22 of the shaft. This is easily possible, since the diameter of the drive 14 is smaller than the shaft wall thickness D. The drive 14 can be designed as a synchronous or asynchronous motor, as in the other embodiments. A small mass system, ie a drive with a low moment of inertia, is advantageously used as the drive. The drive 14 is provided at both ends with a drive pulley 16.1. Both the drive spools 16.1 and the drive 14 can be attached to a common support 43. The system 10 is equipped with two counterweights 15, which are each arranged on one side of the elevator car 12. The V-ribbed belt transmission means 13 are arranged symmetrically on the left and right side of the elevator car 12. First runs of the V-ribbed belt transmission means 13 lead from the drive pulleys 16.1 to the first Ümlenk pulleys 16.5 fixedly mounted at the same height, and downwards from them Ümlenkpulleys 16.6 attached to the elevator car 12 on both sides, loop around them and lead upwards to fixed points 25.1. Second runs of the V-ribbed belt transmission means 13 lead from the drive pulleys 16.1 to second fixed pulleys 16.7 fixed at the same height, from these downward to the pulleys 16.8 attached to the counterweights 15, loop around them and lead upward to fixed points 25.2. Above the space occupied by the counterweight 15 in its uppermost position, a carrier 44 is mounted on both sides of the elevator car 12 on the counterweight guide rails 19 and the car guide rails 18, which carriers 44 carry the Ümlenk pulleys 16.5 and 16.7 and the fixed points 25.1 and 25.2. The carrier 44 can form a U-shaped support structure with the support 43 of the drive 14. Forces that act horizontally and vertically are therefore not transferred to the shaft structure. The car guide rails 18 and the Ümlenk pulleys 16.6 fastened to the elevator car 12 are arranged in the direction of the car depth as close as possible to the car center of gravity S, so that the executives remain small in normal operation as well as when catching.
In Fig. 6C sind Details eines ersten Antriebs 14 gezeigt, der Bestandteil eines maschinenraumlosen Aufzugssystem gemäss den Fig. 6A und 6B ist. Der Antrieb 14 umfasst einen Motor 40 und einer oder zwei Bremsen 41. Die beiden Antriebspulleys 16.1 werden durch Trägerelemente 44 mit dem Support 43 verbunden. Isolierte Drehmomentstützen 42 dienen der Befestigung des Motors 40 an dem Support 43. Die Welle 45 ist durchgehend ausgeführt. Der gezeigte Antrieb hat geringe rotierende Massen und ist auf Grund seiner geringen Baugrösse zum Einbau in die Schachtwand geeignet. In Fig. 6D sind Details eines zweiten Antriebs 14 gezeigt, der Bestandteil eines maschinenraumlosen Aufzugssystem gemäss den Fig. 6A und 6B ist. Der gezeigte Antrieb 14 hat eine geteilte Welle 46, die mit zwei Kupplungselementen 47 versehen ist . Ansonsten entspricht dieser Antrieb dem in6C shows details of a first drive 14 which is part of a machine room-less elevator system according to FIGS. 6A and 6B. The drive 14 comprises a motor 40 and one or two brakes 41. The two drive pulleys 16.1 are connected to the support 43 by support elements 44. Insulated torque supports 42 are used to fasten the motor 40 to the support 43. The shaft 45 is continuous. The drive shown has low rotating masses and, due to its small size, is suitable for installation in the shaft wall. 6D shows details of a second drive 14 which is part of a machine room-less elevator system according to FIGS. 6A and 6B. The drive 14 shown has a split shaft 46 which is provided with two coupling elements 47. Otherwise this drive corresponds to that in
Fig. 6C gezeigten Antrieb. Die Wartung des Antriebs 14 kann vom Schachtinneren aus erfolgen.6C drive shown. The drive 14 can be serviced from inside the shaft.
Eine Weiterbildung der Ausführungsform gemäss den Fig. 6A und 6B ist in den Fig. 7A und 7B gezeigt. Die Ausführungsform unterscheidet sich dadurch, dass zwei separate Antriebe 14.1 und 14.2 vorgesehen sind. Die Kabine 12 und die Gegengewichte 15 sind 2:1 aufgehängt. Die Seitenansicht in Figur 7B zeigt die stets gleichsinnige Biegung der Keilrip- pen-Riemen-Übertragungsmittel 13, was deren vorzeitiger Abnützung entgegenwirkt.A further development of the embodiment according to FIGS. 6A and 6B is shown in FIGS. 7A and 7B. The embodiment differs in that two separate drives 14.1 and 14.2 are provided. The cabin 12 and the counterweights 15 are suspended 2: 1. The side view in FIG. 7B shows the bending of the V-ribbed belt transmission means 13 which is always in the same direction, which counteracts their premature wear.
Bei den bisher beschriebenen Ausführungsformen ist die Funktion den Antreibens und die Funktion des Tragens jeweils kombiniert. Aus diesem Grunde wurde auch der Begriff Übertragungsmittel zur Umschreibung der Funktion des Keilrippen-Riemens verwendet .In the embodiments described so far, the function of driving and the function of carrying are combined. For this reason, the term transmission medium was also used to describe the function of the V-ribbed belt.
In den folgenden Ausführungsformen wird die Funktion des Tragens und die Funktion des Antreibens getrennt ausgeführt. Mit anderen Worten, es gibt separate Tragmittel . und Treibmittel .In the following embodiments, the function of carrying and the function of driving are carried out separately. In other words, there are separate suspension elements. and blowing agents.
Fig. 8 zeigt eine erste solche Ausführungsform. Die Kabine 12 und das Gegengewicht 15 sind mit Tragmitteln 33 in Form von Seilen (z.B. Stahlseile, Aramidseile) , Flachriemen, Zahnriemen oder Ketten miteinander verbunden. Ein Umlenkpulley 31 ist am Schachtkopf vorgesehen und kann auf den Führungsschienen (nicht dargestellt) abgestützt sein. Der Antrieb 14 befindet sich am Schachtboden 32. Mittels Keilrippen-Riementreibmittel 13 bewegt der Antrieb 14 die Kabine 12. Das Keilrippen-Riementreibmittel 13 ist an einem Ende mit der unteren Seite des Gegengewichtes 15 verbunden. Die notwendige Spannkraft kann zum Beispiel mittels einer Druckfeder 34, oder durch ein entsprechendes Gegengewicht erzeugt werden.Fig. 8 shows a first such embodiment. The cabin 12 and the counterweight 15 are connected to one another with suspension means 33 in the form of ropes (eg steel ropes, aramid ropes), flat belts, toothed belts or chains. A Umlenkpulley 31 is provided on the shaft head and can on the Guide rails (not shown) to be supported. The drive 14 is located on the shaft floor 32. The drive 14 moves the cabin 12 by means of V-ribbed belt drive means 13. The V-ribbed belt drive means 13 is connected at one end to the lower side of the counterweight 15. The necessary clamping force can be generated, for example, by means of a compression spring 34 or by means of an appropriate counterweight.
Die in Fig. 9 gezeigte Ausführungsform 30 entspricht imThe embodiment 30 shown in FIG. 9 corresponds in FIG
Wesentlichen der in Fig. 8 gezeigten Ausführungsform. Ein Unterschied besteht darin, dass der Antrieb 14 über eine Reduktion 35 verfügt. Damit kann ein kleinerer Antrieb 14 eingesetzt werden. Der Antrieb 14 kann über einen Keilriemen oder ähnliches mit der Reduktion 35 gekoppelt sein.Essentially the embodiment shown in FIG. 8. One difference is that the drive 14 has a reduction 35. A smaller drive 14 can thus be used. The drive 14 can be coupled to the reduction 35 via a V-belt or the like.
In den Fig. 10A und 10B ist eine weitere Ausgestaltung der Erfindung gezeigt. Das Gegengewicht 15 ist 1:1 über ein Tragmittel 33 und mehrere ümlenkpulleys 31 mit der Aufzugka- bine 12 verbunden. Die Tragmittel 33 können entweder nur links an der Aufzugkabine 12 (wie gezeigt) oder beidseitig der Aufzugkabine 12 (in gestrichelter Darstellung) befestigt sein. Diese Verbindungen erfüllen eine rein tragende Funktion. Der Antrieb 14 befindet sich oberhalb des Gegenge- wichtes 15 und wird von einem vorzugsweise an den Führungsschienen 18, 19 befestigten Support 37 getragen. Das Gegengewicht 15 gleicht 100% des Kabinengewichtes und einen Teil der Nutzlast aus. Ein Keilrippen-Riemen 13 ist oben am Gegengewicht 15 direkt befestigt (Umhängung 1:1), über das Antriebspulley 16.1 um 180 Grad umgelenkt und zu der sich am Schachtboden 32 befindenden Spannrolle 38 geführt. Die Spannrolle 38 lenkt den Keilrippen-Riemen 13 erneut um 180 Grad um, wonach dieser aufwärts zum unteren Ende des Gegengewichts 15 geführt und dort befestigt ist. Die Spannrolle 38 kann in einem Hebelwerk 39 eingebaut sein, das mittels Feder oder Gewichtskraft den Keilrippen-Riemen 13 spannt .A further embodiment of the invention is shown in FIGS. 10A and 10B. The counterweight 15 is connected 1: 1 to the elevator car 12 by means of a suspension element 33 and a plurality of deflecting pulleys 31. The suspension means 33 can either be attached to the elevator car 12 only on the left (as shown) or on both sides of the elevator car 12 (in dashed lines). These connections have a purely supporting function. The drive 14 is located above the counterweight 15 and is carried by a support 37 which is preferably attached to the guide rails 18, 19. The counterweight 15 balances 100% of the cabin weight and part of the payload. A V-ribbed belt 13 is attached directly to the top of the counterweight 15 (1: 1 attachment), deflected by 180 degrees via the drive pulley 16.1 and guided to the tensioning roller 38 located on the shaft floor 32. The tensioning roller 38 again deflects the V-ribbed belt 13 by 180 degrees, after which it is moved upwards to the lower end of the Counterweight 15 performed and attached there. The tensioning roller 38 can be installed in a lever mechanism 39 which tensions the V-ribbed belt 13 by means of spring or weight.
Man kann die Ausführungsform nach den Fig. 10A und 10B abwandeln, indem man zum Beispiel den Keilrippen-Riemen 13 durch geeignete Anordnung von Pulleys so führt, dass er eine sogenannte 2:1 - Umhängung bildet, über welche der Antrieb 14 das Gegengewicht 15 antreibt (wie im Zusammenhang mitThe embodiment according to FIGS. 10A and 10B can be modified by, for example, guiding the V-ribbed belt 13 by means of a suitable arrangement of pulleys in such a way that it forms a so-called 2: 1 cover, via which the drive 14 drives the counterweight 15 (as related to
Fig. 1A beschrieben) . Damit kann das erforderliche Maximal- drehmoment des Antriebes halbiert werden.1A described). The required maximum torque of the drive can thus be halved.
Eine weitere Ausführungsform ist in Fig. 11 gezeigt. Der Antrieb 14 befindet sich bei dem gezeigten Beispiel zwischen der Aufzugkabine 12 und der Wand des Schachtes 11. Die Aufzugkabine 12 und das Gegengewicht 15 werden auf gemeinsamen Führungsschienen 18 geführt. Zu diesem Zweck weisen diese Schienen ein spezielles Profil auf. Es können entweder Antriebspulleys 16.1 auf beiden Seiten des Antriebs 14 oder nur auf einer Seite des Antriebs 14 vorgesehen werden. In Bild 12 ist eine 1:1 - Umhängung dargestellt. Eine Ausführung mit 2:1 - Umhängung ist möglich, wenn die Keilrippen- Riemen 13, wie beispielsweise in Fig. 1 dargestellt, unter der Aufzugkabine 12 hindurchgeführt und auf der anderen Kabinenseite im Schachtkopf fixiert werden.Another embodiment is shown in FIG. 11. In the example shown, the drive 14 is located between the elevator car 12 and the wall of the shaft 11. The elevator car 12 and the counterweight 15 are guided on common guide rails 18. For this purpose, these rails have a special profile. Either drive pulleys 16.1 can be provided on both sides of the drive 14 or only on one side of the drive 14. Figure 1 shows a 1: 1 wrap. A version with a 2: 1 wrap is possible if the V-ribbed belts 13, as shown for example in FIG. 1, are passed under the elevator car 12 and fixed in the shaft head on the other side of the car.
Ein weiterer kompakter Antrieb 14 ist in Fig. 12 gezeigt. Dieser Antrieb 14 zeichnet sich dadurch aus, dass er zwei Antriebspulleys 16.1 aufweist. Der Antrieb 14 umfasst weiterhin einen Motor 40, eine Bremse 41 und eine durchgehende Welle 45. Die beiden Antriebspulleys 16.1 sitzen je an einem Ende der Welle 45. Der Antrieb 14 ist besonders für den seitlich oberhalb der Kabine 12 liegenden Einbau ausgelegt .Another compact drive 14 is shown in FIG. 12. This drive 14 is characterized in that it has two drive pulleys 16.1. The drive 14 further comprises a motor 40, a brake 41 and a continuous shaft 45. The two drive pulleys 16.1 each sit at one end of the shaft 45. The drive 14 is particularly suitable for designed the installation laterally above the cabin 12.
In einer weiteren Ausführungsform weist der Keilrippen- Riemen Zähne auf, die hochverschleissfest ausgeführt sind.In a further embodiment, the V-ribbed belt has teeth that are designed to be highly wear-resistant.
Gemäss Erfindung ist der stationäre Antrieb entweder in einem Maschinenraum untergebracht, oder der Antrieb befindet sich im bzw. am Aufzugschacht . According to the invention, the stationary drive is either housed in a machine room, or the drive is located in or on the elevator shaft.

Claims

Patentansprüche claims
1. Aufzugssystem (10) mit einem Antrieb (14), der über ein Übertragungsmittel (13, 33) mit einer Aufzugkabine (12) und einem Gegengewicht (15) zusammenwirkt, um die Aufzugkabine (12) und das Gegengewicht (15) durch Übertragung einer Kraft zu bewegen, dadurch gekennzeichnet, dass das Übertragungsmittel (13, 33) als Keilrippen-Riemen (13) ausgeführt ist.1. elevator system (10) with a drive (14) which interacts via a transmission means (13, 33) with an elevator car (12) and a counterweight (15) to the elevator car (12) and the counterweight (15) by transmission to move a force, characterized in that the transmission means (13, 33) is designed as a V-ribbed belt (13).
2. Aufzugssystem (10) nach Anspruch 1, dadurch gekenn- zeichnet, dass der Antrieb (14) stationär ist.2. Elevator system (10) according to claim 1, characterized in that the drive (14) is stationary.
3. Aufzugssystem (10) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der stationäre Antrieb (14) in oder an einem Aufzugschacht (11) , oder in einem Maschinenraum montiert ist.3. elevator system (10) according to claim 1 or 2, characterized in that the stationary drive (14) is mounted in or on an elevator shaft (11), or in a machine room.
4. Aufzugssystem (10) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Keilrippen-Riemen (13) mindestens auf einer Seite mit mehreren parallel verlaufende Rillen (5) versehen ist.4. elevator system (10) according to one or more of the preceding claims, characterized in that the V-ribbed belt (13) is provided at least on one side with a plurality of parallel grooves (5).
5. Aufzugssystem (10) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Rillenwinkel (b) zwischen 80 Grad und 100 Grad liegt.5. elevator system (10) according to one or more of the preceding claims, characterized in that the groove angle (b) is between 80 degrees and 100 degrees.
6. Aufzugssystem (10) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Rillenwinkel (b) 90 Grad beträgt.6. elevator system (10) according to one or more of the preceding claims, characterized in that the Groove angle (b) is 90 degrees.
7. Aufzugssystem (10) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Keilrippen-Riemen (13) Querrillen (3) aufweist.7. elevator system (10) according to one or more of the preceding claims, characterized in that the V-ribbed belt (13) has transverse grooves (3).
8. Aufzugsystem (10) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Keilrippen-Riemen (13) auf der Rückseite eine Führungsrippe (2) aufweist.8. elevator system (10) according to one or more of the preceding claims, characterized in that the V-ribbed belt (13) has a guide rib (2) on the back.
9. Aufzugsystem (10) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein oder mehrere getrennte Keilrippen-Riemen (13) als Übertragungs- mittel vorgesehen sind.9. elevator system (10) according to one or more of the preceding claims, characterized in that one or more separate V-ribbed belts (13) are provided as transmission means.
10. Aufzugsystem (10) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Keilrippen-Riemen (13) als Tragmittel und Treibmittel dient,10. elevator system (10) according to one or more of the preceding claims, characterized in that the V-ribbed belt (13) serves as a suspension element and propellant,
11. Aufzugsystem (10) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass separate Tragmittel (33) vorhanden sind, um die Aufzugkabine (12) mit einem Gegengewicht (15) zu verbinden.11. Elevator system (10) according to one of claims 1 to 9, characterized in that separate suspension means (33) are provided to connect the elevator car (12) to a counterweight (15).
12. Aufzugssystem (10) nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Antrieb (14) zum Antreiben des Übertragungsmittels (13) ein Antriebspulley (16.1) mit einen Durchmesser von 70 mm bis 100 mm aufweist.12. Elevator system (10) according to one or more of the preceding claims, characterized in that the drive (14) for driving the transmission means (13) has a drive pulley (16.1) with a diameter of 70 mm to 100 mm.
13. Riemenartiges Übertragungsmittel (13) für einen Aufzug (10) , das als Tragmittel (13) und/oder Treibmittel (13) für eine Aufzugkabine (12) mit oder ohne Gegengewicht (15) dient, dadurch gekennzeichnet, dass das riemenartige Ubertragungsmittel (13) litzenförmige Zugtrager (1) aus Zylon (PBO) enthalt.13. Belt-like transmission means (13) for an elevator (10) as a suspension means (13) and / or propellant (13) for an elevator car (12) with or without counterweight (15) is used, characterized in that the belt-like transmission means (13) contains stranded tension members (1) made of cylon (PBO).
14. Riemenartiges Ubertragungsmittel (13, 50) für einen Aufzug (10) , das als Tragmittel (13) und/oder Treibmittel14. Belt-like transmission means (13, 50) for an elevator (10) as a suspension means (13) and / or propellant
(13) für eine Aufzugkabine (12) mit oder ohne Gegengewicht (15) dient, dadurch gekennzeichnet, dass das riemenartige Ubertragungsmittel (50) mindestens eine flachige Zugschicht (51) aufweist, die sich im Wesentlichen über die gesamte Riemenlange und die gesamte Riemen- breite erstreckt, und die ganz- oder teilflachig, direkt oder über eine Zwischenschicht (56) , mit einer ausseren Reibschicht (52) verbunden ist.(13) for an elevator car (12) with or without counterweight (15), characterized in that the belt-like transmission means (50) has at least one flat tension layer (51), which extends essentially over the entire length of the belt and the entire belt. width extends, and the whole or part of the surface, directly or via an intermediate layer (56), is connected to an outer friction layer (52).
15. Riemenartiges Ubertragungsmittel (13, 50) nach Anspruch 14, dadurch gekennzeichnet, dass die flächige Zugschicht (51) aus einer Polyamidfolie besteht .15. Belt-like transmission means (13, 50) according to claim 14, characterized in that the flat tensile layer (51) consists of a polyamide film.
16. Riemenartiges Ubertragungsmittel (13, 50) nach Anspruch 14, dadurch gekennzeichnet, dass die flachige Zugschicht (51) eine mit Chemiefasern verstärkte Kunststoff-Folie ist.16. Belt-like transmission means (13, 50) according to claim 14, characterized in that the flat tensile layer (51) is a plastic film reinforced with chemical fibers.
17. Riemenartiges Ubertragungsmittel (13, 50) nach Anspruch 16, dadurch gekennzeichnet, dass die flachige Zugschicht (51) mit Zylon-Fasern (PBO) verstärkt ist, die in die Kunststoff-Matrix der Folie eingebettet sind. 17. Belt-like transmission means (13, 50) according to claim 16, characterized in that the flat tensile layer (51) is reinforced with cylon fibers (PBO) which are embedded in the plastic matrix of the film.
18. Riemenartiges Übertragungsmittel (13) nach einem der Ansprüche 13 - 17, dadurch gekennzeichnet, dass das Übertragungsmittel (13) eine oder mehrere Keilrip- pen aufweist.18. Belt-like transmission means (13) according to one of claims 13 - 17, characterized in that the transmission means (13) has one or more V-ribs.
19. Riemenartiges Übertragungsmittel (13, 50) nach einem der Ansprüche 13 - 17, dadurch gekennzeichnet, dass es die Form eines Flachriemens (50) hat. 19. Belt-like transmission means (13, 50) according to one of claims 13 - 17, characterized in that it has the shape of a flat belt (50).
EP02774244A 2001-11-23 2002-11-20 Elevator with a belt-like transmission means, especially with a v-ribbed belt, serving as supporting and/or drive means Expired - Lifetime EP1446348B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP05006057A EP1547960B1 (en) 2001-11-23 2002-11-20 Elevator with belt like carrier means
EP02774244A EP1446348B1 (en) 2001-11-23 2002-11-20 Elevator with a belt-like transmission means, especially with a v-ribbed belt, serving as supporting and/or drive means
EP05104453A EP1580156B1 (en) 2001-11-23 2002-11-20 Elevator comprising V-belt-like transmission means, particularly comprising ribbed V-belts, as carrying and/or traction means
ES05104453T ES2306013T3 (en) 2001-11-23 2002-11-20 ELEVATOR WITH TRANSMISSION MEANS OF THE BELT TYPE, IN PARTICULAR TRAPECIAL BELTS WITH INTERNAL DENTING, AS A CARRIER AND / OR MOTOR AGENT.
EP05106721A EP1604939B1 (en) 2001-11-23 2002-11-20 Elevator comprising a belt-like transmission means, particularly comprising V-belts, as supporting and/or traction means
EP07108982A EP1834919B1 (en) 2001-11-23 2002-11-20 Lift system
EP05103258A EP1561720B1 (en) 2001-11-23 2002-11-20 Elevator comprising a belt-like transmission means, particularly comprising a V-ribbed belt, as supporting and/or traction means
HK08102989.1A HK1116150A1 (en) 2001-11-23 2008-03-14 Lift system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01811132 2001-11-23
EP01811132 2001-11-23
EP02774244A EP1446348B1 (en) 2001-11-23 2002-11-20 Elevator with a belt-like transmission means, especially with a v-ribbed belt, serving as supporting and/or drive means
PCT/CH2002/000624 WO2003043922A1 (en) 2001-11-23 2002-11-20 Elevator with a belt-like transmission means, especially with a v-ribbed belt, serving as supporting and/or drive means

Related Child Applications (4)

Application Number Title Priority Date Filing Date
EP05006057A Division EP1547960B1 (en) 2001-11-23 2002-11-20 Elevator with belt like carrier means
EP05103258A Division EP1561720B1 (en) 2001-11-23 2002-11-20 Elevator comprising a belt-like transmission means, particularly comprising a V-ribbed belt, as supporting and/or traction means
EP05104453A Division EP1580156B1 (en) 2001-11-23 2002-11-20 Elevator comprising V-belt-like transmission means, particularly comprising ribbed V-belts, as carrying and/or traction means
EP05106721A Division EP1604939B1 (en) 2001-11-23 2002-11-20 Elevator comprising a belt-like transmission means, particularly comprising V-belts, as supporting and/or traction means

Publications (2)

Publication Number Publication Date
EP1446348A1 true EP1446348A1 (en) 2004-08-18
EP1446348B1 EP1446348B1 (en) 2005-10-19

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Family Applications (9)

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EP07108982A Revoked EP1834919B1 (en) 2001-11-23 2002-11-20 Lift system
EP05104453A Revoked EP1580156B1 (en) 2001-11-23 2002-11-20 Elevator comprising V-belt-like transmission means, particularly comprising ribbed V-belts, as carrying and/or traction means
EP02774244A Expired - Lifetime EP1446348B1 (en) 2001-11-23 2002-11-20 Elevator with a belt-like transmission means, especially with a v-ribbed belt, serving as supporting and/or drive means
EP05106721A Expired - Lifetime EP1604939B1 (en) 2001-11-23 2002-11-20 Elevator comprising a belt-like transmission means, particularly comprising V-belts, as supporting and/or traction means
EP05103258A Revoked EP1561720B1 (en) 2001-11-23 2002-11-20 Elevator comprising a belt-like transmission means, particularly comprising a V-ribbed belt, as supporting and/or traction means
EP05006057A Expired - Lifetime EP1547960B1 (en) 2001-11-23 2002-11-20 Elevator with belt like carrier means
EP02776633A Expired - Lifetime EP1446350B1 (en) 2001-11-23 2002-11-22 Elevator system
EP02776634A Expired - Lifetime EP1446351B1 (en) 2001-11-23 2002-11-22 Elevator system
EP02776635A Expired - Lifetime EP1446352B1 (en) 2001-11-23 2002-11-22 Lift system

Family Applications Before (2)

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EP07108982A Revoked EP1834919B1 (en) 2001-11-23 2002-11-20 Lift system
EP05104453A Revoked EP1580156B1 (en) 2001-11-23 2002-11-20 Elevator comprising V-belt-like transmission means, particularly comprising ribbed V-belts, as carrying and/or traction means

Family Applications After (6)

Application Number Title Priority Date Filing Date
EP05106721A Expired - Lifetime EP1604939B1 (en) 2001-11-23 2002-11-20 Elevator comprising a belt-like transmission means, particularly comprising V-belts, as supporting and/or traction means
EP05103258A Revoked EP1561720B1 (en) 2001-11-23 2002-11-20 Elevator comprising a belt-like transmission means, particularly comprising a V-ribbed belt, as supporting and/or traction means
EP05006057A Expired - Lifetime EP1547960B1 (en) 2001-11-23 2002-11-20 Elevator with belt like carrier means
EP02776633A Expired - Lifetime EP1446350B1 (en) 2001-11-23 2002-11-22 Elevator system
EP02776634A Expired - Lifetime EP1446351B1 (en) 2001-11-23 2002-11-22 Elevator system
EP02776635A Expired - Lifetime EP1446352B1 (en) 2001-11-23 2002-11-22 Lift system

Country Status (19)

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US (5) US7624846B2 (en)
EP (9) EP1834919B1 (en)
JP (5) JP2005509578A (en)
CN (5) CN1323929C (en)
AT (9) ATE382578T1 (en)
AU (6) AU2002340704B2 (en)
BR (5) BR0214385B1 (en)
CA (4) CA2465031C (en)
CY (1) CY1105599T1 (en)
DE (8) DE50215006D1 (en)
DK (6) DK1561720T3 (en)
ES (9) ES2298937T3 (en)
HK (9) HK1068593A1 (en)
MX (3) MXPA04004787A (en)
NO (4) NO330310B1 (en)
NZ (1) NZ532893A (en)
PT (4) PT1604939E (en)
WO (4) WO2003043922A1 (en)
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Cited By (8)

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Publication number Priority date Publication date Assignee Title
EP1642855A1 (en) * 2004-09-13 2006-04-05 Inventio Ag Belt termination device for attaching the end of a traction belt in an elevator and method for attaching the end of a traction belt in an elevator
EP2053007A1 (en) * 2004-09-13 2009-04-29 Inventio Ag Load bearing connection for attaching one end of a load bearer in a hoist installation and a method for attaching an end of a load bearer in a hoist facility
EP2311768A1 (en) * 2004-09-13 2011-04-20 Inventio AG Load bearing connection for attaching one end of a load bearer in a hoist installation and a method for attaching an end of a load bearer in a hoist facility
FR2881125A1 (en) * 2005-01-24 2006-07-28 Serge Arnoult Elevator equipment for transporting passenger, has cabin driving unit with belt covered of translucent polyurethane connected in point of cabin, where belt is mounted on drive pulley of driving motor and is grooved on all its length
EP1886957A1 (en) 2006-08-11 2008-02-13 Inventio Ag Lift belt for a lift system and method for manufacturing such a lift belt
DE202008001786U1 (en) 2007-03-12 2008-12-24 Inventio Ag Elevator installation, suspension element for an elevator installation and device for producing a suspension element
EP1988047A1 (en) 2007-05-03 2008-11-05 Inventio Ag Elevator with a car, a pulley unit for an elevator and a method for installing a load measuring device in an elevator
RU2459759C2 (en) * 2007-05-03 2012-08-27 Инвенцио Аг Elevator with cabin, guide pulley set and method of incorporating weighing transducer with elevator

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