EP1730070A1 - Rechnergesteuerte transportvorrichtung - Google Patents
Rechnergesteuerte transportvorrichtungInfo
- Publication number
- EP1730070A1 EP1730070A1 EP05706207A EP05706207A EP1730070A1 EP 1730070 A1 EP1730070 A1 EP 1730070A1 EP 05706207 A EP05706207 A EP 05706207A EP 05706207 A EP05706207 A EP 05706207A EP 1730070 A1 EP1730070 A1 EP 1730070A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lifting
- drive
- lifting platform
- receiving table
- transport device
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/07—Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/063—Automatically guided
Definitions
- the invention relates to a transport device, in particular a shelf operating device, as described in the preambles of claims 1 and 5.
- a mobile operating device between storage racks which has a vertical mast which can be driven on the mast base by means of a trolley and is supported on a lower guide rail by means of two running wheels.
- a lifting platform vertically adjustable via a first lifting drive is arranged, on which a load pick-up device for storing and removing loading aids, such as containers, cardboard or the like, is arranged in or out of a shelf compartment of the storage racks and a parking space which is designed so that only one loading device can be placed on it.
- the load suspension device two depth positions in the shelf can be approached, which means that the shelf aisle between the storage racks is minimal, while the space available for the storage racks is maximum.
- a lifting table that can be vertically raised and lowered relative to the lifting platform is additionally provided on the lifting platform.
- the receiving table is mounted on a linear guide running parallel to the mast, which, like the second lifting drive, is arranged on the lifting platform.
- a first loading aid is raised on the receiving table to such an extent that a second loading aid can be transported on the lifting platform without any problems and can be stored and removed.
- a storage and retrieval device for receiving a giant sheet of packed paper which has a rectangular traveling frame and between its vertical masts a lifting platform which can be moved in height, the traveling frame being guided on a lower and upper guide rail and by means of lower and upper trolleys can be driven.
- the lifting platform is attached to two lifting frames (103) that can be adjusted vertically along the masts and is on the one hand equipped with a pick-up, holding and pulling mechanism (D) for lifting, holding and pulling the stacked ream out of the storage rack and for others with an unloading and stacking mechanism
- the pallet (109) is arranged on a telescopic fork device (106) below the receiving, holding and pulling mechanism (D) and held in position opposite the unloading and stacking mechanism (E).
- the fork device (106) is arranged on a pallet handling device (C), which is also mounted on the lifting frame (103) and is adjustable in height relative to the lifting platform.
- the present invention has for its object to provide an improved, computer-controlled transport device that allows reliable operation and a high degree of flexibility in the storage of loading aids and is characterized by its simple structure.
- the object of the invention is achieved by the features reproduced in the characterizing part of claim 1.
- the surprising advantages are that the storage system does not have to be restricted to a single type of loading aids with identical external dimensions in terms of length / width, but that loading aids can be manipulated via the load suspension device, which have different external dimensions and are therefore extremely large flexible storage is possible.
- the lifting platform and the receiving table are designed so narrow that there is only space for one loading device each, viewed in the direction perpendicular to the longitudinal extent of the shelf aisle, which means that the shelf aisle is minimally wide and the space available for the storage shelves is maximum is.
- the recording table has a minimum dead weight with sufficient rigidity, and therefore a drive motor with a low drive power can be used, and the adjustment properties, such as acceleration acceleration and travel speeds of the recording table, are improved.
- the loading aid when a loading aid is rotated and pushed onto the lifting platform, the loading aid can be re-aligned and centered on the lifting platform via the telescopic push arms that can be moved towards each other to a limited extent. This reliably prevents the risk of canting when a loading aid is resumed when this loading aid is released from the lifting platform onto the receiving table or, for example, into a shelf compartment.
- the design according to claim 3 represents an optimal compromise between the load-bearing capacity of the lifting frame and flexibility in the handling of loading aids with different external dimensions.
- the separate openings are penetrated by the telescopic extension arms, but nevertheless the possibility of adjusting the telescopic push arms transversely to their longitudinal extent is retained without colliding with the receiving table.
- the object of the invention is also achieved by the features in claim 5.
- the advantage here is that the dead weight of the lifting platform is reduced, the load on at least one guideway on the mast and the guiding members on the lifting platform are reduced, and the overall height of the lifting platform is reduced.
- This enables particularly favorable adjustment properties, such as high start-up accelerations and travel speeds of the lifting platform with high load-bearing capacity.
- This transport device in particular this storage and retrieval unit, is particularly suitable for use in small parts stores in which payloads of up to approximately 50 kg are moved and the lower and upper approach dimensions to the storage compartments must be maintained in the vertical direction.
- the embodiment according to claim 10 is also advantageous, with which a simple overdriving of the driving force on the receiving table is achieved.
- the different control options allow the receiving table to be positioned relative to the lifting platform, and on the other hand, during the movement of the transport device, in particular the storage and retrieval device along the shelf aisle, the receiving table and the lifting platform can be at a fixed distance (corresponds to the adjustment stroke) can be adjusted synchronously to one another into a target position specified by the computer system.
- both the receiving table and the lifting platform can be adjusted relative to one another during the movement of the transport device.
- an additional traction drive as a second lifting drive is not required.
- the traction means of the first lifting drive for the lifting platform is placed around a second drive wheel of the so-called omega drive, and the receiving table can be driven by the driven, second drive wheel along the strand of the puller which is drawn between the lifting platform and the first deflection wheel mounted on the mast tip Traction means can be adjusted vertically by the first lifting drive. Since the drive motor of the second lifting drive is arranged separately from the lifting platform, the dead weight of the lifting platform is reduced. Cost savings in the manufacture of the lifting platform are also achieved.
- the embodiment according to claim 21 is also advantageous, since only the third drive and deflection wheels from the second lifting drive are arranged on the receiving table and the endlessly rotating traction means of an auxiliary drive are guided around the third drive and deflecting wheels, so that no additional structures for traction means tensioners, Traction element fastening elements and the like must be provided.
- the auxiliary drive is laterally offset next to the first lifting drive on the mast. This free space next to the first lifting drive is available anyway, so that no widening of the storage and retrieval unit is necessary. As a result, however, a particularly space-saving arrangement in the vertical direction is achieved, so that a approach dimension in the vertical direction can be kept low and the uppermost shelf positions of a storage rack can be approached without any problems.
- the linear guide for the receiving table is arranged separately from the load-carrying means, as a result of which the dead weight of the lifting platform is reduced.
- a further embodiment of the invention is described in claim 24. It is advantageous that the at least one guideway on the mast for the lifting platform also serves as a linear guide for the receiving table and the overall construction is thereby considerably simplified.
- a possible embodiment of the lifting support frame of the receiving table is described in claim 25.
- the further training according to claims 25 to 30 is advantageous, since it creates a lightweight construction so that the dynamic stresses which have an adverse effect on the mast can be reduced.
- a particularly dimensionally stable education of the recording table is described in claim 27.
- the lifting grate can now be separated from the lifting support frame in the takeover or transfer position. The lifting grate is supported on the lifting platform, while the lifting support frame is possibly adjusted further downwards relative to the lifting platform. If the receiving table is raised to the transport position, the lifting grate is lifted off the lifting platform and the coupling parts are engaged.
- the embodiment according to claim 34 is particularly advantageous because at a storage or retrieval location in the pre-zone, the loading aids placed on the lifting platform can be delivered via the longitudinal conveyor device to a delivery device downstream thereof, in particular a driven conveyor device, without it having to extend the telescopic extension arms. In addition, loading aids with small external dimensions (length / width) can also be transported reliably.
- the embodiment according to claim 35 is also advantageous, as a result of which the transport device can be adapted to specific areas of use.
- the lifting platform is one of one
- Computer system predetermined target position and the pick-up table relative to the lifting platform at a fixed distance (corresponds to the adjustment stroke) and the first loading aid placed or to be placed on the pick-up table via a arranged in the pre-zone Nete loading and unloading device, in particular a slide, and the second loading aids placed or to be placed on the lifting platform are manipulated via the load handling device at the same time, in particular pushed off the lifting platform or from the receiving table or pushed onto the lifting platform or the receiving table.
- FIG. 1 shows the transport device according to the invention, in particular a storage and retrieval unit with the lifting platform, the receiving table raised in the transport position and a first embodiment variant of a second lifting drive for the receiving table, in a perspective view and in a simplified representation;
- FIG. 2 shows the transport device according to FIG. 1 with the lifting platform and the receiving table lowered into the takeover or transfer position, in a perspective view and in a schematic representation;
- FIG. 3 shows a partial area of the transport device according to FIG. 1, partly in section and in a simplified representation
- FIG. 4 shows a partial area of the transport device according to FIG. 2, partly in section and in a schematic illustration
- FIG. 5 shows a partial area of the transport device according to the invention with the lifting platform, the receiving table raised in the transport position and another embodiment variant of the second lifting drive for the receiving table, in a side view, partially in section and in a schematic representation;
- FIG. 6 shows a partial area of the transport device according to FIG. 5 with the lifting platform and the receiving table lowered into the takeover or transfer position, in a side view, partially in section and in a schematic representation
- 7 shows a partial area of the transport device according to the invention according to FIG. 5 with a different embodiment of the linear guide for the receiving table, in a side view, partially in section and in a schematic illustration;
- FIG. 8 shows a partial area of the transport device according to the invention according to FIG. 7 with the lifting platform and the receiving table lowered into the takeover or transfer position, in a side view, partly in section and in a schematic representation;
- FIG. 9 shows the transport device according to the invention with a different embodiment of the receiving table, the receiving table being raised into its transport position, in a perspective view and a schematic representation;
- FIG. 10 the transport device according to FIG. 9, in which the receiving table is lowered into its takeover or transfer position, in a perspective view and a schematic representation;
- FIG. 11 shows the transport device according to the invention with another embodiment of the drive for the receiving table, in which the receiving table is raised into its transport position, in a perspective view and a schematic representation;
- FIG. 12 shows a partial area of the transport device according to the invention according to FIG. 11 with the lifting platform and the receiving table raised into the transport position, in a side view, partly in section and in a schematic representation;
- FIG. 13 shows another embodiment of the receiving table with the lifting support frame and lifting grate forming it, in a perspective view and a schematic representation
- FIG. 14 shows the receiving table with the lifting support frame and lifting grate forming it, cut according to lines XIV-X1N in FIG. 13.
- a transport device which is designed as a transport vehicle, in particular a storage and retrieval unit 1, for a storage system.
- the storage and retrieval unit 1 is arranged between two opposing storage racks (not shown) in a rack aisle 2 and can be moved in a computer-controlled manner in the aisle direction - according to double arrow 3 - along a lower runway 4 fastened to the floor.
- the storage and retrieval unit 1 has a lifting platform 5 that can be moved vertically in height, a receiving table 6 that can be raised and lowered vertically relative to this, and a vertical mast 7 that can be driven on the mast base 8 by means of a chassis 9 and via two running wheels 10 on the lower running rail 4 is supported.
- the impellers 10 are rotatably mounted on the chassis 9 on both sides of the mast 7 in the aisle direction - according to double arrow 3 -, at least one of the impellers 10 being drivable and coupled to a drive motor (not shown).
- the lifting platform 5 has guide elements 11, 12, in particular lateral guide rollers
- the lifting drive 14 comprises a drive wheel 16 mounted on the mast 7 in the area of the mast base 8, a deflection wheel 17 mounted on the mast 7 in the area of a mast tip 15 and a free end attached to the lifting platform 5 via the drive and deflection wheel 16, 17 and traction means 19 which can be driven via a drive motor 18.
- the drive motor 18 is fastened to the chassis 9 and, if appropriate, is coupled to the drivable drive wheel 16 with the interposition of a transmission.
- the receiving table 6 with guide members 20, 21, in particular lateral guide rollers is guided on the guide tracks 13 supporting the lifting platform 5 on the mast 7 and is vertically adjustable along the guide tracks 13 via a second lifting drive 22.
- the second stroke drive 22, like the first stroke drive 14, has an im Area of the mast foot 8 on the mast 7 mounted drive wheel 23, a deflection wheel 24 mounted in the mast tip 15 on the mast 7 and a guide via the drive and deflection wheel 23, 24 guided with free ends attached to the receiving table 6 and driven by a second drive motor 25 , second traction means 26.
- the drive wheel 23 forms a drive means and the second traction means 26 forms a driver, which engage in one another in a form-fitting or frictional manner.
- the second drive motor 25 is fastened to the chassis 9 and, if appropriate, coupled to the drivable drive wheel 23 with the interposition of a gear.
- the finite traction means 19, 26 of the first and second lifting drives 14, 22 are flexible, for example in the form of a chain, toothed belt, rope and the like.
- the drive and deflection wheels 16, 17, 23, 24 are formed by gears, toothed disks, deflection disks and the like.
- the lifting platform 5 comprises a parking space on which at least one loading aid 30, such as containers, cardboard boxes and the like, for accommodating piece goods, can be parked, lying exclusively on one level A better overview, the loading aids 30 in FIGS. 1 and 2 are shown in dashed lines.
- the lifting platform 5 forms on the side facing the receiving table 6 a flat support surface 31 on which the at least one loading aid 30 rests. If more than one loading aid 30 is to be parked at the parking space, the length of the lifting platform 5 is parallel to the shelf aisle 2.
- two loading aids 30 are parked one behind the other in the aisle direction - according to double arrow 3 - so that the lifting platform 5 cannot be widened by the outer dimensions of the additional loading aids 30 that are additionally accommodated.
- the width of the rack aisle 2 or the distance between the storage racks arranged in a mirror image on both sides of the rack operating device 1 is kept to a minimum.
- a load suspension device 32 is provided, which is arranged on the lifting platform 5.
- This load-bearing device 32 has two telescopic push arms 33 which are parallel to one another in a horizontal plane and which are arranged in mirror image with respect to a transverse plane perpendicular to the longitudinal extent of the lifting platform 5 and which are connected via at least one first adjusting drive (not shown) with respect to the lifting platform.
- form 5 on both sides in the direction of the shelves of the storage racks set up on both sides of the storage and retrieval unit 1 can be extended synchronously and are stored on the lifting platform 5.
- the telescopic push arms 33 which can be extended synchronously and in the same direction in the direction of the shelf compartments, are designed in such a way that they can be used to reach at least two depth positions in the shelf compartment one behind the other in the extension direction.
- a loading aid 30 can be delivered to a front depth position in the shelf compartment near the aisle and / or rear depth position in the shelf compartment away from the aisle and on the other hand from the front depth position in the shelf compartment close to the aisle and / or from the rear depth position in the shelf compartment away from the aisle the lifting platform 5 are handed over.
- Each telescopic push arm 33 has a support frame 34, a retractable and extendable middle and / or top slide 35, 36, the center and / or top slide 35, 36 being relatively adjustable relative to the support frame 34 and possibly to one another.
- the middle and upper chutes 35, 36 are guided on the support frame 34 and to one another via linear guides, preferably sliding guides (not shown), which extend in the extension direction of the telescopic push arm 33.
- the upper carriages 36 adjacent to the loading aids 30 parked between the telescopic push arms 33 at the parking space are each at their front ends transverse to
- the telescopic push arms 33 are also mounted on the lifting platform 5 so as to be adjustable transversely to their longitudinal extension.
- the telescopic push arms 33, in particular the support frames 34, are guided on linear guides 38, in particular rolling or sliding guides.
- the linear guides 38 are arranged in pairs transversely to the longitudinal extent of the telescopic push arms 33 at a distance from one another on the lifting platform 5 in the region of their longitudinal edges and run parallel to the longitudinal extent of the lifting platform 5.
- the second adjusting drive (not shown), which is responsible for the synchronous and co-directional adjustment of the telescopic push arms 33, is formed in the simplest case, for example, by a traction drive, which has a drive wheel coupled to a drive motor, a deflection wheel and an endless traction device guided around it first telescopic push arm 33 with the load strand and the second telescopic push arm 33 with the empty strand of the
- Traction means are firmly connected so that when the drive wheel is driven counterclockwise, the telescopic push arms 33 are moved towards one another, while when the drive wheel is driven clockwise, the telescopic push arms 33 are moved away from one another.
- the axes of rotation of the drive and deflection wheel run perpendicular to the support surface 31 for the loading aid 30 and the entire traction drive is arranged on the lifting platform 5 on the side facing away from the support surface 31.
- 0185656 AI (Hansl) made the subject of this disclosure.
- a support frame 40 is arranged on the lifting platform 5, which forms the support surface 31 facing the loading aid 30 and comprises a plurality of support supports 41 which run parallel and at a distance parallel to one another and in the direction of the longitudinal extent of the telescopic push arms 33.
- These support supports 41 form the parking space on the lifting platform 5 and project vertically from a mounting surface 42 which runs parallel to the support surface 31 for the loading aid 30.
- the linear guides 38 described above for the telescopic push arms 33 are expediently attached to this mounting surface 42.
- the two telescopic push arms 33, in particular the support frames 34 each have a length that extends in the longitudinal direction thereof
- the lifting platform 5 is only designed so narrow and long that only a single loading aid 30 can be placed at the parking space of the lifting platform 5.
- the receiving table 6 is provided, which according to a first embodiment is guided along the guideways 13 on the mast 7.
- the receiving table 6 and the lifting platform 5 are arranged vertically one above the other and have an essentially identical outer contour, therefore the length dimension perpendicular to the longitudinal extension of the telescopic push arms 33 and the width dimension parallel to the longitudinal extension of the telescopic push arms 33 of the receiving table 6 are slightly larger than that of the lifting platform 5 or correspond to those of the lifting platform 5.
- the receiving table 6 is via the second lifting drive 22 from a shown in FIG. 2, aligned with the horizontal support surface 31 of the lifting platform 5 or with respect to the support surface 31 of the
- the vertical adjustment stroke 44 is only slightly larger than the maximum height of the loading aid 30, so that at least one loading aid 30 can be parked simultaneously on the lifting platform 5 and on the receiving table 6.
- the receiving table 6 with the first loading aid 30 is raised only to such an extent that a second loading aid 30 can be transported on the lifting platform 5 without problems and can be stored and removed from storage.
- loading aids 30 can be pushed onto the receiving table 6 from the loading or unloading point in the pre-zone at the front end of the racking aisle 2 or from the shelf compartment and, on the other hand, a loading aid 30 from the receiving table 6 to a storage or retrieval point in the front zone at the front end of the shelf aisle 2 or to a shelf compartment.
- the delivery of both loading aids 30 into the shelves or to the storage or retrieval point and the resumption from the shelves or from the storage or retrieval point is preferably carried out by the load-carrying device 32 on the lifting platform 5.
- the transport position of the receiving table 6 lies in relation to the lifting platform 5 in a plane that is offset by the adjusting stroke 44 in the direction of the mast head 15, in which at least one loading aid 30 can also be transported by the receiving table 6, lying only in one plane.
- a plateau-like lifting support frame 46 is provided so that the receiving table 6 can be adjusted in its take-over or transfer position to such an extent that a bearing surface 45 which it forms is flush with the bearing surface 31 of the floating platform 5 or is lowered below the bearing surface 31 of the lifting platform 5 according to this embodiment has two openings 47 assigned to the telescopic push arms 33. These parallel openings 47 are approximately rectangular and are at least spaced apart from one another by the extent of the minimum clear width 39 between the telescopic pushing arms 33 on edge regions of the lifting support frame 46 which lie opposite to the longitudinal extent of the telescopic pushing arms 33.
- Each opening 47 has a first main dimension 48 parallel to the longitudinal extension of the telescopic pushing arm 33, which is slightly greater than the maximum length 49 of each telescopic pushing arm 33 moved into the lifting platform 5.
- a second main dimension 50 of each opening 47 dimensioned perpendicular to the longitudinal extent the telescopic push arm 33 is greater than the maximum width 51 of each telescopic push arm 33 retracted onto the lifting platform 5 plus a maximum adjustment path 52 of each telescopic push arm 33.
- the openings 47 are in the takeover or
- the telescopic push arms 33 are located outside the openings 47.
- the support surface 45 of the receiving table 6 runs at least slightly below the retractable and extendable middle and / or top slide 35, 36, so that the middle and top slide 35, 36 can be extended and retracted smoothly when loading and unloading the loading aid 30 (can).
- a lifting grate 53 Arranged between the openings 47 is a lifting grate 53 which has the receiving table 6 and, in a first embodiment, is made in one piece with the lifting support frame 46 and delimits the openings 47.
- the lifting grate 53 is approximately rectangular in shape and has a circumferential frame and, parallel to one another, spaced apart parallel to one another, between the frame parts formed one behind the other in the longitudinal extension of the telescopic push arms 33, extends in one plane.
- the receiving table 6 forms with the lifting grate 53 a parking space on which at least one loading aid 30 can be parked lying in one plane only. If more than one loading aid 30 is to be parked at the parking space, the length of the receiving table 6 parallel to the shelf aisle 2 is increased.
- two loading aids 30 are parked one behind the other in the aisle direction - according to double arrow 3.
- the support surface 45 of the receiving table 6, on which the at least one loading aid 30 rests, is formed by the lifting grate 53, in particular the support rods 55 and the two frame parts. 3 and 4, the width of the support rods 55 from the lifting grate 53 is slightly smaller than the distance between the support pads 41 from the support frame 40.
- the lifting platform 5 and the receiving table 6 can be adjusted synchronously relative to one another and at a fixed distance from one another on the mast 7.
- the drive motors 18 from the first stroke drive 14 and the drive motor 25 from the second stroke drive 22 can on the one hand be controlled independently of one another and on the other hand driven in an electrically synchronized manner.
- the adjustment stroke 44 remains constant and the receiving table 6 and the lifting platform 5 can then be adjusted jointly to a desired position specified by the computer system. This is the case when the storage and retrieval unit 1 is adjusted along the shelf aisle 2 and the target position of the floor platform 5 in front of a shelf compartment or a storage or retrieval point in the
- the receiving table 6 is lowered onto the lifting platform 5.
- the lifting platform 5 and the receiving table 6 can also be adjusted synchronously, when the receiving table 6 is in the takeover or transfer position.
- FIG. 5 and 6 show a partial area of the storage and retrieval unit 1 according to the invention with another embodiment variant of the second lifting drive 22 'for the receiving table 6 in a schematic representation, with the receiving table 6 in FIG. 5 in the transport position held in position with a loading aid received by it 30, and in FIG. 6 the receiving table 6 in its takeover or transfer position, which is delivered to the lifting platform 5, is shown with a loading aid 30 placed on the lifting platform 5.
- the receiving table 6 is relatively adjustable relative to the lifting platform 5 and is mounted on the linear guides running parallel to the mast 7.
- the linear guides are formed by the guideways 13 for the lifting platform 5.
- the drive wheel 23 ' forming a drive means and on both sides of the deflection wheels 56 are rotatably mounted, which together with the drive motor 25' form the second lifting drive 22 '.
- the traction means 19, in particular a toothed belt or a chain, of the first lifting drive 14 for the lifting platform 5 is deflected via the drive wheel 23 'and the deflection wheels 56, such that that the traction means 19 wraps around the drive roller 23 'at least by 180 °.
- the traction means 19 of the first lifting drive 14, as already described above with reference to FIGS. 1 and 2 is guided around the drive wheel 16 arranged in the area of the mast foot 8 and the deflection wheel 17 arranged in the area of the mast tip 15 and are their free ends on the lifting platform 5 attached.
- Exact positioning of the receiving table 6 in the vertical direction is achieved when the traction means 19 and the drive wheel 23 'of the second lifting drive 22' which is designed as a drive means are in positive engagement.
- the drive motors 18, 25 'of the lifting drives 14, 22' can be controlled separately and also synchronously, so that the lifting platform 5 and the receiving table 6 can be controlled independently of one another or can be moved separately from one another or else synchronously.
- limit switch 57 arranged, in particular sensors, such as light barriers, which are switched when the corresponding position is reached and stop the drive motor 25 'of the second linear actuator 22'.
- the limit switch 57 are preferably attached to the lifting platform 5, but this is not shown in detail.
- a holding brake is preferably actuated by a control, so that the second drive wheel 23 'can no longer rotate relative to the receiving table 6 and the receiving table 6 is held in its transport position. If the traction means 19 is now adjusted, the receiving table 6 and the plub platform 5 are adjusted together, the adjustment stroke 44 being maintained during the adjustment. If the holding brake is released, the drive wheel 23 'which engages in the traction means 19 in a form-fitting manner is now rotated relative to the receiving table 6 by driving the drive motor 25', so that the drive wheel 23 'rolls on the traction means 19 and the receiving table 6 vertically in the direction of the lifting platform 5 can be moved into the takeover or transfer position.
- the receiving table 6 can also be locked in its take-over or transfer position by means of the holding brake, so that the loading aid 30 can be stored or removed from a shelf compartment without problems.
- the holding brake is preferably designed as an electromagnetic working current brake.
- This can also be locked in a desired position in the height direction by means of a holding brake, in particular an electromagnetic working current brake.
- the holding brake for the lifting platform 5 and the receiving table 6 are each integrated on the drive motor 18, 25.
- FIGS. 7 and 8 a partial area of the shelf operating device 1 according to the invention described in FIGS. 6 and 7 with the second lifting drive 22 ′ and another embodiment of the guide of the receiving table 6 is shown.
- the receiving table 6 is in the transport position lifted from the lifting platform 5 and held in position, and in FIG. 8 in the takeover or transfer position delivered to the lifting platform 5.
- the linear guide 58 running parallel to the mast 7 is between the lifting platform 5 and the receiving table 6 are arranged separately from the mast 7 and has a pair of mutually guided and telescopically extendable guide elements 59, 60.
- the linear guide 58 can be formed by sliding or rolling guides, such as prism or roller guides and the like.
- the receiving table 6 is guided only on the side facing the mast 7 via the linear guide 58 on the lifting platform 5.
- the two guide elements 60 are fastened to the receiving table 6, while the guide elements 59 are slidably mounted on the lifting platform 5.
- FIGS. 9 and 10 is the rack operating device described above
- FIG. 9 the receiving table 6 in the transport position held in position with a loading aid 30 received by it, and in FIG. 10 the receiving table 6 in its on the Lifting platform 5 delivered takeover or handover position with a loading aid 30 placed on it are shown.
- the receiving table 6 is accordingly provided on its lifting support frame 46 with only one opening 47 which has a first main dimension 48 parallel to the longitudinal extension of the telescopic pushing arms 33, which is slightly greater than the maximum length 49 of each telescopic pushing arm 33 retracted onto the lifting platform 5.
- a second The main dimension 50 of the opening 47 perpendicular to the longitudinal extension of the telescopic push arms 33 is greater than the sum of widths 51 of the two telescopic push arms 33 retracted onto the lifting platform 5 plus the maximum adjustment path 52 (as entered in FIG. 3, for example) of both retracted telescopic push arms 33.
- the remaining edge web from the lifting support frame 46 is then U-shaped or frame-shaped, as indicated by dash-dotted lines, and forms the parking space for the at least one loading aid 30, the loading aid 30 being supported with its bottom on the part webs one behind the other in the direction of execution of the telescopic push arms 33 is.
- the receiving table 6 has an outer contour corresponding to the outer contour of the lifting platform 5, and therefore has a length and width dimension.
- the receiving table 6 is via the second lifting drive 22 from the overlap with the horizontal support surface 31 of the lifting platform 5 or lowered with respect to the support surface 31 of the lifting platform 5 Acceptance or transfer position, as entered in Fig. 10, by the adjustment stroke 44 (not entered) up to beyond the support surface 31 in the transport position, as shown in Fig. 9, adjustably mounted on the mast 7.
- the support frame 40 'for the loading aid 30 is arranged on the lifting platform 5 and forms an uninterrupted, flat support surface 31.
- the support surface 31 is offset from the horizontal mounting surface 42 in the direction of the receiving table 6, so that the support surface 45 can now be brought into alignment with the support surface 31 or into a lowering takeover or transfer position.
- the opening 47 is penetrated by both telescopic push arms 33, although the possibility of adjusting the clear width 39 between the telescopic push arms 33 transversely to their longitudinal extension is retained without colliding with the receiving table 6 ,
- the first lifting drive 14 comprises the first drive wheel 16 mounted on the mast 7 in the area of the mast foot 8, and the first deflection wheel mounted on the mast 7 in the area of the mast tip 15
- An auxiliary drive 61 is arranged on the mast 7 laterally offset from the first lifting drive 14. This has a second drive wheel 62, which is mounted on the mast 7 in the region of the mast base 8, an in
- the second drive wheel 62 is connected in a rotationally rigid manner to the first drive wheel 16 via a coupling shaft 65 and is coupled to the drive motor 18 of the lifting platform 5, as a result of which the traction means 19 from the first lifting drive 14 and the traction means 64 running in the same direction can be driven synchronously by the auxiliary drive 61 ,
- the traction means 64 forming a driver is formed by a toothed belt, a chain and the like. For example, it is dimensioned weaker than the traction means 19 of the first lifting drive 14.
- the receiving table 6 is equipped with the second lifting drive 22 ', which, as already described above, comprises the drivable third drive wheel 23' and the third deflection wheels 56 on both sides thereof, each on the receiving table 6 are rotatably mounted and together with the drive motor 25 'form the second lifting drive 22'.
- the traction means 64 of the auxiliary drive 61 is guided over the third drive wheel 23 'and the third deflection wheels 56, the traction means 64 wrapping around the third drive wheel 23' at least by 180 °.
- the third drive wheel 23 ' which forms a drive means, is coupled to the drive motor 25' by the second lifting drive 22 '.
- the receiving table 6 can now be driven by the driven, third drive wheel 23 'along the line of the second drive wheel 62 and the second deflection wheel 63
- Traction means 64 can be adjusted vertically by the auxiliary drive 61.
- the maximum adjustment movement of the receiving table 6 in the direction of the lifting platform 5 and in the direction of the mast tip 15 is limited by the end position limit switch 57, the adjustment thrust 44 of the takeover or transfer position on the lifting platform 5, which is not shown any further, into the position shown in FIG 11 and 12 shown transport position lifting table 6 in
- the drive motor 18 for the lifting platform 5 and the drive motor 25 'for the receiving table 6 can be controlled synchronously or independently of one another in the manner described above, so that on the one hand the lifting platform 5 and the receiving table 6 are synchronously at a fixed distance from one another along the mast 7 and on the other hand the receiving table 6 and the lifting platform 5 can be adjusted relative to one another along the mast 7.
- a longitudinal conveyor 66 can be arranged on the lifting platform 5 between the telescopic push arms 33 that can be moved towards and away from each other in the direction of the extendable and retractable middle and / or top slides 35, 36.
- This has a plurality of endless conveyors 67 arranged in parallel next to one another at a distance, in particular belt conveyors, chain conveyors and the like, which, with their upper run adjacent to the receiving table 6, form the parking space for the loading aid 30 and the flat support surface 31.
- the distance between the endless conveyors 67 is slightly larger than the width of the support rods 55 of the lifting grate 53.
- driven endless conveyor 67 is reversible and in the same direction as the retracting or extending movement of the telescopic push arms 33.
- FIGS. 13 and 14 show a further embodiment of the lifting grate 53 and the support frame 46 from the receiving table 6, with only a partial area from FIGS. 13 and 14
- the receiving table 6 and in FIG. 14 the receiving table 6 are shown with their lifting grate 53 and supporting frame 46 lowered into the transfer or transfer position onto the lifting platform 5.
- This embodiment can be used with particular advantage in the previously described embodiments according to FIGS. 11 and 12.
- the lifting grate 53 is formed separately from the lifting support frame 46 and, if necessary, is vertically movably supported on the lifting support frame 46 via coupling devices 68.
- the lifting support frame 46 has two parallel fork-like support arms 70 which project freely on a base 69.
- the parking space for the loading aid 30 (not shown) is formed by the lifting grate 53, in particular the support rods 55.
- the lifting grate 53 is arranged between the support arms 70 and, with its outermost support rods 55, delimits the openings 47 separated from one another by the lifting grate 53 on their sides facing one another.
- the lifting grate 53 is approximately rectangular in shape and has a circumferential frame and supporting rods 55 which extend parallel and next to one another at a distance between the parallel frame parts 72 arranged one behind the other in the extension direction of the telescopic push arms 33.
- the coupling devices 68 are each formed by two interlocking, detachable and preferably vertically stacked coupling parts 73, 74, of which the first coupling parts 73 are provided on the lifting grate 53 and the second coupling parts 74 on the support arms 70 of the lifting support frame 46.
- the first coupling parts 73 from the lifting grate 53 are arranged in pairs opposite one another and at a distance transversely to the longitudinal extent of the telescopic push arms 33 on the frame parts 72 and form projecting, L-shaped suspension arms 75 on the frame parts 72.
- the leg of the suspension arms 75 that runs parallel to the support surface 45 of the lifting grate 53 forms a horizontal support surface 76.
- the second coupling parts 74 of the lifting support frame 46 are opposite one another in pairs and are arranged at a distance transversely to the longitudinal extent of the telescopic push arms 33 on the support arms 70 arranged one behind the other in the extending direction of the telescopic push arms 33.
- the distance of the first coupling parts 73 from the lifting grate 53 is equal to the distance of the second coupling parts 74 from the lifting support frame 46.
- the second coupling parts 74 are formed by mutually opposed, mutually facing hanging tabs 77, which are formed on the partial webs 77 and are approximately U-shaped.
- the lifting grate 53 is mounted on the lifting support frame 46, the hook arms 75 formed on the lifting grate 53 projecting into the approximately U-shaped hook-in tabs 77 with their legs which run vertically to the support surface 76 and point in the direction of the lifting platform 5. As a result, the lifting grate 53 lies loosely on the lifting support frame 46.
- the interlocking coupling parts 73, 74 also simultaneously position the lifting grate 43 with respect to the lifting support frame 46.
- a width of the lifting grate 43 is only slightly smaller than the clear width between the two support arms 70 of the lifting support frame 46 and its length is dimensioned such that the support rod 55 adjacent to the mast 7 sees the first opening 47 between them the lifting support frame 46 and this support rod 55 limited in the second main dimension 50.
- the support rod 55 facing away from the mast 7 from the lifting grate 53 limits the second opening 47, which is open on one side, on one side.
- the lifting grate 43 is arranged between the two support arms 70 such that the support rod 55 facing away from the mast 7 forms the transverse connection between the free ends of the support arms 70 and delimits them with the outermost support rod 55 and the to this adjacent, parallel, further support rod 55, the second main dimension 50 of the second opening 47.
- the first main dimension 48 is delimited by sub-sections of the lifting frame. Accordingly, the right opening 47 is formed by the lifting grate and bounded on all sides by the lifting grate, while the left opening 47 is formed between the lifting support frame 46 and the lifting grate 53 and is only limited on one side by the lifting grate 53, in particular the support rod 55 facing the mast 7.
- the definition of the main dimensions 48, 50 in relation to the length 49 and width 51 of the telescopic push arms 33 has already been described above and can also be applied to this embodiment.
- the lifting grate 53 rests on the coupling parts 74 of the lifting support frame 46 via the coupling parts 73.
- the lifting grate 53 is also moved relative to the stationary lifting platform 5 until it rests on the lifting platform 5 and if the change in length is present to an even greater extent, the lifting support frame 46 and the lifting grate 53 adjusted or moved apart relative to each other, the lifting grate 53 then being supported solely on the lifting platform 5. If the receiving table 6 is moved into the transport position, the lifting support frame 46 is initially moved toward the lifting grate 53 placed on the lifting platform 5, the coupling parts 73, 74 are brought back into engagement, if necessary, the lifting grate 53 is aligned with the lifting support frame 46 and together with the Lift support frame 46 raised.
- FIGS. 1, 2, 3, 4; 5, 6; 7, 8; 9, 10; 11, 12; 13, 14 shown form the subject of independent, inventive solutions.
- Reference sign set-up for storage and retrieval machine 40 Support frame for shelf aisle 40 'Support frame for aisle direction 41 Support support for travel rail 42 Mounting surface for lifting platform 43 Release 44 Adjustment thrust for mounting table 45 Support surface for mast mast base 46 Lifting frame for chassis 47 Breakthrough wheel 48 Main dimension 49 Length of guide element 50 Main dimension of guide element for guideway 51 Width of lifting rod 53 Adjusting grate 52 55 Support rod, drive wheel, deflection wheel 56 Deflection wheel, drive motor 57 Limit switch, traction device 58 Linear guide, guide element 59 Guide element, 60 Guide element, guide element, lifting drive 61 Auxiliary drive, lifting drive 62 Driving wheel, driving wheel 63 Deflection wheel, driving wheel, 64 traction mechanism 65 Coupling shaft, deflection wheel, driving motor 66 Longitudinal conveyor device, drive motor 67 Endlessly required traction mechanism 68 Coupling device, loading arm support 69 Support surface for the lice pick-up device 72 Frame part telescopic slide m 73 Coupling part, support frame 74
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Control Of Conveyors (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0045804A AT500229B1 (de) | 2004-03-15 | 2004-03-15 | Rechnergesteuerte transportvorrichtung |
PCT/AT2005/000068 WO2005087648A1 (de) | 2004-03-15 | 2005-03-04 | Rechnergesteuerte transportvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1730070A1 true EP1730070A1 (de) | 2006-12-13 |
EP1730070B1 EP1730070B1 (de) | 2008-09-03 |
Family
ID=34961976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05706207A Expired - Lifetime EP1730070B1 (de) | 2004-03-15 | 2005-03-04 | Rechnergesteuerte transportvorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070140817A1 (de) |
EP (1) | EP1730070B1 (de) |
AT (2) | AT500229B1 (de) |
DE (1) | DE502005005259D1 (de) |
ES (1) | ES2315837T3 (de) |
WO (1) | WO2005087648A1 (de) |
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2004
- 2004-03-15 AT AT0045804A patent/AT500229B1/de not_active IP Right Cessation
-
2005
- 2005-03-04 US US10/592,992 patent/US20070140817A1/en not_active Abandoned
- 2005-03-04 EP EP05706207A patent/EP1730070B1/de not_active Expired - Lifetime
- 2005-03-04 AT AT05706207T patent/ATE407091T1/de active
- 2005-03-04 ES ES05706207T patent/ES2315837T3/es not_active Expired - Lifetime
- 2005-03-04 WO PCT/AT2005/000068 patent/WO2005087648A1/de active IP Right Grant
- 2005-03-04 DE DE502005005259T patent/DE502005005259D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
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See references of WO2005087648A1 * |
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DE502005005259D1 (de) | 2008-10-16 |
ES2315837T3 (es) | 2009-04-01 |
EP1730070B1 (de) | 2008-09-03 |
WO2005087648A1 (de) | 2005-09-22 |
AT500229B1 (de) | 2008-12-15 |
ATE407091T1 (de) | 2008-09-15 |
US20070140817A1 (en) | 2007-06-21 |
AT500229A1 (de) | 2005-11-15 |
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