CN110589655B - Reversing device for driving rope of indoor elevator - Google Patents
Reversing device for driving rope of indoor elevator Download PDFInfo
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- CN110589655B CN110589655B CN201910678280.4A CN201910678280A CN110589655B CN 110589655 B CN110589655 B CN 110589655B CN 201910678280 A CN201910678280 A CN 201910678280A CN 110589655 B CN110589655 B CN 110589655B
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- 238000004804 winding Methods 0.000 claims abstract description 84
- 230000008859 change Effects 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000005381 potential energy Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000002441 reversible effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- 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
- B66B11/0075—Roping with hoisting rope or cable positively attached to a winding drum
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- 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
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to a reversing device for a drive rope of an indoor elevator, comprising: the two ropes are connected with the car, the bottom ends of the two ropes are connected with the rope winding piece, the rope winding piece is connected with the driving piece, and the top ends of the ropes are fixedly arranged above the car; the driving piece is suitable for driving the rope winding piece to rotate so as to fold or release the ropes, and the car ascends or descends along the two ropes; the two guide wheels are arranged at the top of the car, the two guide wheels are symmetrically arranged along the central line of the plane of the top of the car, the rope rolling piece is arranged between the two guide wheels, and the top end of the rope is arranged along the movement direction of the car after passing through the guide wheels. The invention uses the driving piece to rotate the rope winding piece, connects the rope on the rope winding piece, and causes the rope to spiral winding along the rope winding piece, thereby avoiding disorder of the rope during winding, and simultaneously causing position change during the winding process of the rope, enabling the guide rail to rotate, keeping the radial direction of the guide rail consistent with the rope all the time, and avoiding the position change of the rope from separating from the guide wheel.
Description
Technical Field
The invention relates to a reversing device for a drive rope of an indoor elevator.
Background
In recent years, with the continuous improvement of economic level, the progress of urban and urbanization is continuously advancing, and the residential forms of people are moving toward high-rise buildings and villas. In the construction process of high-rise buildings, elevator shafts are designed independently, and traction elevators are mostly used, so that the elevator has relatively perfect and independent control and operation systems, and the development and application of related technologies are relatively mature; in such low-rise buildings as villas, the storey height of the villas is generally designed into two or three layers, the elevators are not designed in most villas, and because the whole equipment structure of the traction type elevator is complex, a hoistway is required to be equipped, a large space is occupied, the occupied space and the manufacturing cost of the traction type elevator are considered, the elevator is not installed in most villas, but in recent years, along with the increase of the aging problem of population of China, the old people live in the villas and go upstairs and downstairs by using stairs, and potential safety hazards exist, so that the demand on the small household elevators in the market is also urgent, the small household elevators in the prior art are widely applied to screw type small elevators, and can be directly installed in the villas without being equipped with the hoistway, and the structure is relatively simple, but the screw type elevator structure has defects: the running of the elevator car is required to rely on the rotation of the screw rod, namely the screw rod is required to be vertically installed at the running track position of the elevator car, and higher requirements are put forward on the installation perpendicularity of the screw rod, because if the installation perpendicularity of the screw rod is not high, the elevator car is easy to run to a high position after being inclined, namely the gravity center is deviated when the elevator car runs to an upper position, particularly when the load of the elevator car is large, or after long-term use, the screw rod is easy to bend, so that the elevator car is unstable to run, and a large potential safety hazard exists; the screw type small-sized elevator does have the problems at present, and the screw type small-sized elevator needs frequent overhauling and maintenance according to the feedback of users using the products, so that the failure rate of equipment operation is high.
The inventor proposes and designs an indoor elevator using rope traction driving according to the defects of the prior art, but because of the limitation of the household space and the floor height of a house villa is generally not more than 3 floors, a special elevator shaft is not designed in the household, the elevator shaft is not designed and built in the villa in a construction process, the common stairs are reserved in the common villa, or the screw type elevator is independently installed at the later stage, but because the prior screw type elevator structure has defects, the inventor adopts a mode that two ropes are symmetrically arranged to bear a car in the scheme, so as to ensure the stability of the car, realize the movement of the car by controlling the length change of the ropes, and in consideration of the actual situation, a driving piece is required to be designed to drive the two ropes, and the position of the ropes is not invariable under the action of the driving piece, so the problem that the ropes are separated easily occurs by using the conventional rope guiding structure, the normal traction of the car is lost, and the car is dangerous in the running process.
Disclosure of Invention
The invention provides a reversing device for driving ropes of an indoor elevator, which is reasonable in structural design, a driving piece is utilized to enable a rope winding piece to rotate, the ropes are connected to the rope winding piece, the ropes are folded or released through the rope winding piece, so that the change of the lengths of the ropes is realized, an elevator is enabled to ascend or descend, the ropes are spirally wound along the rope winding piece, the occurrence of disorder of the mutual winding of the ropes is avoided, the position of the ropes is changed in the winding process, the corresponding special design is carried out on guide rails, the guide rails of the reversing device can rotate, the radial directions of the guide rails are consistent with the ropes all the time, the position change of the ropes is prevented from being separated from guide wheels, and the problems in the prior art are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: reversing device for a drive rope of an elevator in a room, comprising:
the two ropes are connected with the lift car, the bottom ends of the two ropes are connected with a rope winding piece, the rope winding piece is connected with a driving piece, and the top ends of the ropes are fixedly arranged at the upper position of the lift car; the driving piece is suitable for driving the rope winding piece to rotate so as to retract or release the ropes, and the car ascends or descends along the two ropes;
The two guide wheels are symmetrically arranged along the central line of the plane of the top of the car, the rope rolling piece is arranged between the two guide wheels, and the top end of the rope is arranged along the movement direction of the car after passing through the guide wheels;
the rope is spirally wound along the axial direction of the rope coiling member, so that the tangential point of the rope and the rope coiling member changes along with the rotation of the rope coiling member; the guide wheel is rotatably connected with the car, so that the radial direction of the guide wheel is consistent with the tangential direction of the rope and the rope coiling piece.
Further, the ropes respectively bypass the rope winding part and the guide wheels to enable the ropes to be reversely bent, the rope winding part is arranged in a biased mode relative to the central lines of the two guide wheels, the distances between the two guide wheels and the rope winding part are different, the ropes corresponding to the far-end guide wheels are wound from the upper position of the rope winding part, and the ropes corresponding to the near-end guide wheels are wound from the lower position of the rope winding part.
Further, the surface of the rope winding piece is provided with a spiral rope groove, the rope is wound along the spiral rope groove, and the position of the tangent point of the rope and the rope groove and the tangent point of the rope and the guide wheel changes along with the rotation of the rope winding piece.
Further, the guide pulley is hinged with the car, so that the guide pulley rotates along with the position change of the rope, and the guide pulley groove of the guide pulley is arranged along the trend of the rope.
Further, an included angle formed by the rope between the guide wheel and the rope winding piece and the rope groove is not more than 4 degrees.
Further, the rope winding piece is a winding drum, the rope groove is formed along the circumferential surface of the winding drum, and the output shaft of the driving piece is coaxially connected with the winding drum.
Further, the guide wheel is hinged in the guide wheel frame, and the guide wheel frame is rotatably connected with the car, so that the radial direction of the guide wheel is consistent with the tangential direction of the rope and the rope winding piece.
Further, two the guide wheel frames are connected with the connecting plate, the connecting plate is connected with the car, a first central line and a second central line which are perpendicular to each other are arranged on the top plane of the car, and the connecting plate is arranged along the direction of the first central line, so that two guide wheels on the connecting plate are symmetrically arranged on two sides of the second central line.
Further, the car top is equipped with a supporting beam, a supporting beam is equipped with the mounting groove, the connecting plate sets up in the mounting groove, forms the card between connecting plate and the supporting beam and dismantles connection structure, just have the clearance between the vertical direction inner wall of mounting groove and the connecting plate, two guide pulleys on the connecting plate receive the effort of rope, make the inner wall looks butt of connecting plate and mounting groove, make the connecting plate takes place elastic deformation, in order to bear the car.
Further, the supporting beam is hinged to the positioning beam, the positioning beam is fixedly connected with the car, the driving piece is connected with the supporting beam, the rope winding piece is arranged between the two ropes in a biased mode, so that the two ropes with different deformation amounts act on the rope winding piece, the rope winding piece has potential energy rotating towards one side of the rope with large deformation amount, the potential energy is converted into potential energy, the rope winding piece and the driving piece rotate along the hinged position of the supporting beam, and the length variation amounts between the top ends of the two ropes and the guide wheels are the same, so that the car is kept stable.
The elevator car has the beneficial effects that the elevator car is reasonable in structural design, the driving piece is utilized to enable the rope winding piece to rotate, the rope is connected to the rope winding piece, the rope is folded or released through the rope winding piece, so that the change of the length of the rope is realized, the elevator car is enabled to ascend or descend, the rope is spirally wound along the rope winding piece, disorder of the mutual winding of the rope is avoided, meanwhile, position change can occur in the winding process of the rope, the corresponding special design is carried out on the guide rail, the guide rail of the reversing device can rotate, the radial direction of the guide rail is consistent with that of the rope all the time, and the change of the position of the rope is prevented from being separated from the guide wheel.
Drawings
Fig. 1 is a schematic perspective view of the top position of the car of the present invention.
Fig. 2 is a schematic perspective view of a guide wheel structure according to the present invention.
Fig. 3 is a schematic view of a part of the enlarged structure of the portion a in fig. 1.
FIG. 4 is a schematic side view of a guide wheel related structure of the present invention.
Fig. 5 is a schematic top view of the car roof of the present invention.
In the figure, 1, a car; 2. a rope; 3. a rope winding member; 301. rope grooves; 4. a driving member; 5. a guide wheel; 501. a guide wheel groove; 6. a guide wheel frame; 7. a connecting plate; 8. a support beam; 801. a mounting groove; 9. and positioning the beam.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
In addition, in the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1 to 5, the reversing device for the driving rope of the indoor elevator comprises two ropes 2 connected with a car 1, wherein the bottom ends of the two ropes 2 are connected with a rope coiling member 3, the rope coiling member 3 is connected with a driving member 4, and the top ends of the ropes 2 are fixedly arranged above the car 1; the driving element 4 is suitable for driving the rope winding element 3 to rotate so as to fold or release the ropes 2 and enable the car 1 to ascend or descend along the two ropes 2; the two guide pulleys 5 are arranged at the top of the car 1, the two guide pulleys 5 are symmetrically arranged along the central line of the top plane of the car 1, the rope winding piece 3 is arranged between the two guide pulleys 5, and the top end of the rope 2 passes through the guide pulleys 5 and is arranged along the movement direction of the car 1; the axial direction of the rope coiling member 3 is connected with the driving member 4, the rope 2 is connected with the radial position of the rope coiling member 3, the rope coiling member 3 extends along the axial direction, the rope 2 at the radial position of the rope coiling member 3 is spirally wound along the axial direction of the rope coiling member 3, and the tangent point of the rope 2 and the rope coiling member 3 changes along with the rotation of the rope coiling member 3; the guide pulley 5 is rotatably connected with the car 1, so that the radial direction of the guide pulley 5 is consistent with the tangential direction of the rope 2 and the rope coiling member 3. In this embodiment, the driving element 4 is used to rotate the rope winding element 3, connect the rope 2 on the rope winding element 3, and the rope winding element 3 can rotate forward or reverse under the driving of the driving element 4, so as to fold or release the two ropes 2, so that the length of the two ropes 2 is changed, the car 1 ascends or descends along the rope 2, the rope 2 is spirally wound along the rope winding element 3, disorder of winding of the ropes 2 is avoided, the winding process of the ropes 2 simultaneously generates position change, the direction of the ropes 2 after bypassing the guide wheel 5 is changed, the guide wheel 5 is rotatably connected with the car 1, the guide rail 5 can rotate under the driving of the ropes 2, the radial direction of the guide rail 5 is consistent with the ropes 2 all the time, and the position change of the ropes 2 is avoided from being separated from the guide wheel 5.
In a preferred embodiment, as shown in fig. 4, the rope 2 is wound around the rope winding member 3 and the guide wheels 5 respectively, so that the rope 2 is reversely bent, the rope winding member 3 is arranged offset relative to the central lines of the two guide wheels 5, the two guide wheels 5 are different from the rope winding member 3 in distance, the rope 2 corresponding to the far-end guide wheel 5 is wound from the upper position of the rope winding member 3, and the rope 2 corresponding to the near-end guide wheel 5 is wound from the lower position of the rope winding member 3. Because the rope winding part 3 is arranged as one and drives the two ropes 2 to rotate at the same time to realize synchronous folding or releasing of the ropes 2, in order to avoid interference of the two ropes 2, the two ropes 2 are respectively arranged at two axial sides of the rope winding part 3, so that the two ropes 2 on the surface of the rope winding part 3 move oppositely or move oppositely, and the winding directions between the two ropes 2 and the rope winding part 3 are inevitably opposite along with the rotation of the rope winding part 3; if the rope rolling piece 3 is arranged at the center line position of the two guide wheels 5, the reverse bending degree of the rope 2 wound from the upper position of the rope rolling piece 3 is larger than that of the rope 2 wound from the upper position of the rope rolling piece 3, so that the fatigue resistance of the two ropes 2 is greatly different, and the stable use and the exertion of the subsequent ropes 2 are not facilitated; therefore, in this embodiment, the rope winding member 3 is biased to increase the distance between the rope 2 wound from the upper position of the rope winding member 3 and the rope winding member 3, that is, the rope 2 corresponding to the distal guide pulley 5 is wound from the upper position of the rope winding member 3, the rope 2 corresponding to the proximal guide pulley 5 is wound from the lower position of the rope winding member 3, the degree of reverse bending of the rope 2 corresponding to the distal guide pulley 5 is reduced, the degree of reverse bending of the rope 2 corresponding to the proximal guide pulley 5 is increased, the degrees of reverse bending of the two ropes 2 are substantially the same, and the fatigue resistance of the two ropes 2 is substantially the same, so that smooth traction of the two ropes 2 on the car 1 is ensured.
In a preferred embodiment, the surface of the rope reel 3 is provided with a spiral rope groove 301, the rope 2 is wound around the spiral rope groove 301, and the position of the point of tangency of the rope 2 and the rope groove 301 and the point of tangency of the rope 2 and the guide pulley 5 changes with the rotation of the rope reel 3. In order to enable the ropes 2 to be spirally wound along the radial position of the rope coiling member 3 and avoid the problem that the ropes 2 are mutually wound and disordered, spiral rope grooves 301 are formed on the surface of the rope coiling member 3, the ropes 2 are wound along the rope grooves 301, and the ropes 2 are just matched in the rope grooves 301.
In the preferred embodiment, the guide pulley 5 is hinged to the car 1, so that the guide pulley 5 rotates along with the position change of the rope 2, and the guide pulley groove 501 of the guide pulley 5 is arranged along the direction of the rope 2. Specifically, the rotatable connection mode of the guide pulley 5 and the car 1 adopts the articulated arrangement, the articulated connection between the guide pulley 5 and the car 1 is more stable and reliable, the steering performance of the guide pulley 5 is better, when the rope winding piece 3 rotates to change the position of the rope 2, the guide pulley 5 rotates after receiving the acting force generated by the rope 2, and the guide pulley groove 501 of the guide pulley 5 always follows the trend of the rope 2.
In a preferred embodiment the rope 2 between the guide pulley 5 and the rope reel 3 forms an angle with the rope groove 301 of not more than 4. Considering the national standard requirements in the field, when the rope 2 enters the rope groove 301, the rope 2 is preferably in a parallel state with the rope groove 301 so as to enter the groove smoothly, but because of the objective factors of actual installation and use, the rope 2 and the rope groove 301 are difficult to ensure a hundred percent parallel state, but the included angle formed by the rope 2 and the rope groove 301 cannot exceed 4 degrees, and the rope 2 fails to enter the groove due to the excessive included angle, so that the rope 2 is separated from the rope groove 301.
In a preferred embodiment, the rope reel 3 is provided as a spool, the rope groove 301 being provided along the circumferential surface of the spool, and the output shaft of the driving member 4 being coaxially connected to the spool. Specifically, the rope reeling member 3 can be a reel structure, and the rope grooves 301 are formed in the circumferential surface of the reel, so that the rope 2 can be wound smoothly, and the bearing capacity of the reel is high.
It will be appreciated that the rope reel 3 may be prismatic in shape, and that helical rope grooves may be provided on the running surface of the prismatic shape as well, but that this structure is less stable than a reel structure, but can also be used to effect the gathering or release of the rope 2.
It will be appreciated that the driving member 4 may alternatively be a motor structure, the output shaft of which is connected to the spool.
In a preferred embodiment, the guide pulley 5 is arranged in a hinged manner in the guide pulley frame 6, and the guide pulley frame 6 is rotatably connected with the car 1, so that the radial direction of the guide pulley 5 coincides with the tangential direction of the ropes 2 and the rope reeling member 3. When the guide pulley 5 is specifically installed and connected, the guide pulley 5 is required to be arranged in the guide pulley frame 6, the guide pulley frame 6 and the car 1 are hinged, and in order to further reduce abrasion between the rope 2 and the guide pulley 5, the guide pulley 5 and the guide pulley frame 6 can be hinged, friction between the rope 2 and the guide pulley 5 is converted into rotation of the guide pulley 5, and abrasion between the guide pulley 5 and the rope 2 can be effectively reduced.
In a preferred embodiment, as shown in fig. 5, two guide wheels 6 are connected to a connecting plate 7, the connecting plate 7 is connected to the car 1, the top plane of the car 1 has a first center line and a second center line perpendicular to each other, and the connecting plate 7 is arranged along the direction of the first center line, so that two guide wheels 5 on the connecting plate 7 are symmetrically arranged on both sides with respect to the second center line. In order to ensure that the two ropes 2 stably pull the car 1 and keep the car 1 in a stable state, the vertical sections of the two ropes 2 which are changed by the guide wheels 5 are symmetrically arranged to keep the car 1 balanced, so that in the scheme, the two guide wheels 5 are arranged on the connecting plate 7, then the connecting plate 7 is connected with the car 1, the connecting plate 7 is arranged along the first central line direction of the top plane of the car 1, the two guide wheels 5 on the connecting plate 7 are symmetrically arranged on two sides of the second central line, the installation position of the guide wheels 5 can be accurately and rapidly determined only by finding the first central line and the second central line during installation, and the installation position of the guide wheels 5 is accurately and rapidly positioned.
In the preferred embodiment, a supporting beam 8 is arranged at the top of the car 1, a mounting groove 801 is arranged on the supporting beam 8, a connecting plate 7 is arranged in the mounting groove 801, a card disassembly connecting structure is formed between the connecting plate 7 and the supporting beam 8, a gap is formed between the inner wall of the mounting groove 801 in the vertical direction and the connecting plate 7, two guide wheels 5 on the connecting plate 7 are subjected to the acting force of the rope 2, the connecting plate 7 is abutted against the inner wall of the mounting groove 801, and the connecting plate 7 is elastically deformed to bear the car 1. In order to facilitate connection of the connecting plate 7 and the car 1, detachable connection can be selected, the supporting beam 8 is arranged at the top of the car 1, the supporting beam 8 is provided with the mounting groove 801, the connecting plate 7 and the mounting groove 801 are directly matched, the connecting plate 7 is not required to be connected with the car 1 by bolts, compared with the connecting plate 7 which is directly connected with the car 1 by bolts, the connection mode in the embodiment is more convenient and quick, the fault tolerance is higher, the position of the connecting plate 7 along the length direction of the mounting groove 801 can be adjusted, the positions of the two guide wheels 5 can be adjusted, the structure of the connecting plate 7 also has certain self-adaptive capacity in the running process of the car 1 following the rope 2, and the elastic deformation of the connecting plate can provide certain buffer capacity, so that the car 1 is more stable.
In the preferred embodiment, the supporting beam 8 and the positioning beam 9 are hinged, the positioning beam 9 is fixedly connected with the car 1, the driving member 4 is connected with the supporting beam 8, the rope winding member 3 is arranged between the two ropes 2 in a biased manner, so that the two ropes 2 with different deformation amounts act on the rope winding member 3, the rope winding member 3 has potential energy rotating towards one side of the rope 2 with large deformation amount, the potential energy is converted into potential energy, the rope winding member 3 and the driving member 4 rotate along the hinged position of the supporting beam 8, and the length change amount between the top ends of the two ropes 2 and the guide wheel 5 is the same, so that the car 1 is kept stable.
The above embodiments are not to be taken as limiting the scope of the invention, and any alternatives or modifications to the embodiments of the invention will be apparent to those skilled in the art and fall within the scope of the invention.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (9)
1. Reversing device for a drive rope of an elevator in a room, characterized in that it comprises:
the two ropes are connected with the lift car, the bottom ends of the two ropes are connected with a rope winding piece, the rope winding piece is connected with a driving piece, and the top ends of the ropes are fixedly arranged at the upper position of the lift car; the driving piece is suitable for driving the rope winding piece to rotate so as to retract or release the ropes, and the car ascends or descends along the two ropes;
The two guide wheels are symmetrically arranged along the central line of the plane of the top of the car, the rope rolling piece is arranged between the two guide wheels, and the top end of the rope is arranged along the movement direction of the car after passing through the guide wheels;
the rope winds around the rope winding piece and the guide wheels respectively to enable the rope to be reversely bent, and the rope winding piece is arranged in an offset manner relative to the central lines of the two guide wheels, so that the distances between the two guide wheels and the rope winding piece are different;
The rope is spirally wound along the axial direction of the rope coiling member, so that the tangential point of the rope and the rope coiling member changes along with the rotation of the rope coiling member; the guide wheel is rotatably connected with the car, so that the radial direction of the guide wheel is consistent with the tangential direction of the rope and the rope coiling piece;
The surface of the rope rolling piece is provided with a spiral rope groove, and the rope is wound along the spiral rope groove;
The car top is equipped with a supporting beam, supporting beam and locating beam hinge mutually set up, locating beam and car are fixed to link to each other, driving piece and supporting beam link to each other, the rope winding piece biasing sets up between two ropes, makes two the deflection of rope under load state is different, and two ropes that the deflection is different act on the rope winding piece, make the rope winding piece have to the pivoted potential energy of rope one side that the deflection is big, make potential energy conversion rope winding piece and driving piece take place to rotate along the articulated position of supporting beam to make the length variation between the top of two ropes and the guide pulley the same, in order to keep the car steady.
2. The reversing device for driving ropes of an elevator in a room according to claim 1, wherein the ropes corresponding to the far-end guide pulleys are wound from an upper position of the rope reeling member, and the ropes corresponding to the near-end guide pulleys are wound from a lower position of the rope reeling member.
3. The reversing device for driving ropes of an elevator in a room according to claim 1, wherein the position of the point of tangency of the rope and the rope groove and the point of tangency of the rope and the guide pulley varies with the rotation of the rope winding member.
4. The reversing device for driving ropes of an indoor elevator according to claim 1, wherein the guide pulley is hinged to the car so that the guide pulley rotates along with the change of the position of the rope, and the guide pulley groove of the guide pulley is arranged along the direction of the rope.
5. The reversing device for the drive rope of an elevator in a room according to claim 1, characterized in that the rope between the guide pulley and the rope reel forms an angle of not more than 4 ° with the rope groove.
6. The reversing device for the drive rope of an elevator in a room according to claim 1, characterized in that the rope winding member is provided as a drum, the rope groove being provided along the circumferential surface of the drum, and the output shaft of the drive member and the drum being coaxially connected.
7. The reversing device for the drive rope of an elevator in a room according to claim 5 or 6, characterized in that the guide pulley is hinged in a guide pulley frame, which is rotatably connected to the car such that the radial direction of the guide pulley coincides with the tangential direction of the rope and the rope winding member.
8. The reversing device for the drive rope of an indoor elevator according to claim 1, wherein the two guide frames are connected with a connecting plate, the connecting plate is connected with the car, the top plane of the car has a first center line and a second center line which are perpendicular to each other, the connecting plate is arranged along the direction of the first center line, and the two guide wheels on the connecting plate are symmetrically arranged on two sides of the second center line.
9. The reversing device for driving ropes of an indoor elevator according to claim 1, wherein the top of the car is provided with a supporting beam, the supporting beam is provided with a mounting groove, a connecting plate is arranged in the mounting groove, a clamping and dismounting connecting structure is formed between the connecting plate and the supporting beam, a gap is formed between the inner wall of the mounting groove in the vertical direction and the connecting plate, and two guide wheels on the connecting plate are subjected to the acting force of the ropes to enable the connecting plate to abut against the inner wall of the mounting groove, so that the connecting plate is elastically deformed to bear the car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910678280.4A CN110589655B (en) | 2019-07-25 | 2019-07-25 | Reversing device for driving rope of indoor elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201002908Y (en) * | 2006-12-14 | 2008-01-09 | 苏州东南液压电梯有限公司 | Rope-wheel type elevator without machinery room traction |
| CN108529387B (en) * | 2018-06-22 | 2024-06-14 | 苏州大名府电梯有限公司 | Household elevator capable of improving running stability of elevator car |
| CN208500074U (en) * | 2018-07-17 | 2019-02-15 | 苏州富士精工电梯有限公司 | A kind of forced action type villa elevator |
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