High-stability anti-falling device for stacking machine

Abstract

The utility model relates to the technical field of stacking machine safety protection, in particular to a high-stability stacking machine anti-falling device which comprises a frame body, a lifting assembly and a synchronizing assembly, the frame body comprises a lower cross beam and stand columns, the two stand columns are fixedly installed on the two sides of the top end of the lower cross beam, and an upper cross beam is fixedly installed at the top ends of the two stand columns; the lifting assembly is arranged on the inner side of the stand column and comprises a lifting motor and a cargo carrying table, the lifting motor is fixedly installed on one side of the outer wall of the stand column, a winding drum is fixedly installed on an output shaft of the lifting motor, one end of a steel wire rope is fixedly connected to the winding drum, and the winding drum rotates to take the steel wire rope back into a wire groove in the winding drum. According to the high-stability anti-falling device for the stacking machine, the distance detection device can be arranged to be matched with the driving assembly, emergency stop of the cargo carrying table when the steel wire rope of the stacking machine is loosened or broken is guaranteed, and the stability of locking and hovering can be further enhanced by arranging the locking assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of safety protection of stackers, in particular to a high-stability anti-falling device for stackers. Background Art

[0002] A stacking crane is a special crane that uses a fork or a skewer as a picking device to grab, transport and stack or pick up and place unit cargo from high-rise shelves in warehouses, workshops, etc. It is a type of storage equipment. The shelf system using a stacking crane must be numbered according to the columns, layers, and rows of the shelves, so as to realize automatic entry and exit to the designated cargo location, and also facilitate the use of electronic computers for inventory management. In fact, the latest large-scale three-dimensional automatic warehouses mostly use electronic computers for inventory management.

[0003] For example, the authorization announcement number "CN203890001U" is named as a stacker anti-fall device, which controls the action of the hydraulic cylinder by transmitting signal instructions; the device can effectively ensure the safe operation of the stacker lifting platform, but traditional stackers use wire rope lifting when using the cargo platform to lift and transport goods. Since they are often in a high-intensity working state, there is a risk of loosening or breaking of the wire rope. Once the risk occurs, it will cause serious harm to the safety of workers and goods. Therefore, a stacker anti-fall device is very necessary.

[0004] Most of the existing stacker crane anti-fall devices are safety jaw mechanisms. When the cargo platform falls abnormally, the jaws are triggered, clamping the lifting guide rails to limit the descent of the cargo platform to prevent it from falling. However, the response speed of this mechanism has a lag, and the cargo platform still slides down a small distance after the jaws clamp the lifting guide rails. Utility Model Content

[0005] The utility model aims to solve the problem of slow response speed of the anti-falling effect of the anti-falling device of the stacker, and proposes a high-stability anti-falling device for the stacker.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A high-stability anti-fall device for a stacker is designed, including a frame, a lifting assembly and a synchronization assembly, the frame including a lower beam and a column, the two columns are fixedly installed on both sides of the top of the lower beam, the tops of the two columns are fixedly installed with an upper beam, the lifting assembly is arranged on the inner side of the column, the lifting assembly includes a lifting motor and a cargo platform, the lifting motor is fixedly installed on one side of the outer wall of the column, the output shaft of the lifting motor is fixedly installed with a drum, one end of the drum is fixedly connected to the wire rope, the drum rotates to retract the wire rope into the wire groove on the drum, the inner side of the upper beam is rotatably connected to a plurality of pulley groups, the other end of the wire rope passes around the pulley group arranged on the upper beam and is fixedly connected to the side end connecting frame on both sides of the upper end of the cargo platform.

[0008] Preferably, the synchronization component includes a synchronization frame and a synchronization sliding frame, the synchronization frame is fixedly connected to the inside of the columns on both sides of the side end connecting frame, the synchronization frame is provided with a lateral slot, the vertical slide groove provided inside the synchronization frame is slidably connected to the synchronization sliding frame, and a driving component is provided on the lower side of the synchronization sliding frame.

[0009] Preferably, the driving assembly includes a synchronous motor and a gear shaft, the synchronous motor is fixedly installed on the lower part of the synchronous sliding frame, the output shaft of the synchronous motor is fixedly connected to the gear shaft, the outer side of the gear shaft is fixedly sleeved with a gear, the synchronous vertical frame is fixedly connected to a rack that meshes with the gear, the synchronous sliding frame is fixedly connected to a support plate on one side close to the side end connecting frame, and the other side of the gear is rotatably connected to a mounting plate.

[0010] Preferably, the support plate passes through the forward sliding groove opening on the synchronous frame and the column sliding groove opening on the column in sequence, and enters the connecting frame slot opening on the side end connecting frame. A hydraulic cylinder 1 is fixedly connected to the support plate, and a hydraulic rod 1 is slidably connected to the upper end of the hydraulic cylinder 1. The upper end surface of the hydraulic rod 1 is fixedly connected to the upper end surface of the connecting frame slot, and a spring is provided between the hydraulic rod 1 and the hydraulic cylinder 1.

[0011] Preferably, a distance detection device is fixedly installed on the front end of the outer wall of the support plate, the front lower end of the synchronous sliding frame is fixedly connected to an inclined support, the top of the inclined support is fixedly connected to the lower end of the support plate, and a locking assembly is provided on the outside of the synchronous sliding frame.

[0012] Preferably, the locking assembly includes hydraulic cylinder 1 and hydraulic cylinder 2, the upper end side surface of the synchronous sliding frame is fixedly connected to hydraulic cylinder 2, the upper end of hydraulic cylinder 2 is slidably connected to hydraulic rod 2, the inner side of hydraulic cylinder 1 is fixedly connected to a guide tube, the other end of the guide tube is fixedly connected to the rodless cavity of hydraulic cylinder 2, the outer end face of hydraulic rod 2 is fixedly connected to an anti-slip pad, the surface of the anti-slip pad is provided with an anti-slip edge, and the inner wall of the column and the corresponding anti-slip pad are provided with an anti-slip edge that matches therewith.

[0013] The utility model proposes a high-stability anti-fall device for stackers, which has the beneficial effects of: not only ensuring the emergency stop of the cargo platform when the stacker wire rope is loosened or broken by setting a distance detection device in combination with a drive component, but also further enhancing the stability of the locked hovering by setting a locking component. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0015] Figure 2 for Figure 1 A schematic three-dimensional cutaway view of the center column;

[0016] Figure 3 for Figure 2 A magnified schematic diagram of the middle part;

[0017] Figure 4 It is a three-dimensional schematic diagram of the interior of the synchronization component;

[0018] Figure 5 for Figure 4 Schematic diagram of the upper cross-section;

[0019] Figure 6 for Figure 4 Enlarged schematic diagram of part B in the middle.

[0020] In the figure: 1, frame, 11, lower beam, 12, column, 121, column slide, 13, upper beam, 2, lifting component, 21, lifting motor, 22, drum, 23, wire rope, 24, pulley block, 25, cargo platform, 26, side end connecting frame, 261, connecting frame slot, 3, synchronization component, 31, synchronization frame, 311, forward slide, 312, side slot, 313, vertical slide, 32, synchronization slide Frame, 33. Support plate, 34. Distance detection device, 35. Oblique support, 36. Drive assembly, 361. Synchronous motor, 362. Gear, 363. Rack, 364. Gear shaft, 365. Mounting plate, 37. Locking assembly, 371. Hydraulic rod one, 372. Hydraulic cylinder one, 373. Spring, 374. Hydraulic rod two, 375. Hydraulic cylinder two, 376. Anti-slip pad, 3761. Anti-slip edge surface, 377. Guide pipe. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] See also Figure 1-6 : In this embodiment, a high-stability stacker anti-fall device includes a frame 1, a lifting assembly 2 and a synchronization assembly 3. The frame 1 includes a lower beam 11 and a column 12. The two columns 12 are fixedly installed on both sides of the top of the lower beam 11. The tops of the two columns 12 are fixedly installed with an upper beam 13. The lifting assembly 2 is arranged on the inner side of the column 12. The lifting assembly 2 includes a lifting motor 21 and a cargo platform 25. The lifting motor 21 is fixedly installed on one side of the outer wall of the column 12, and the output shaft of the lifting motor 21 is fixedly installed with a reel 22.

[0023] One end of the wire rope 23 is fixedly connected to the drum 22. When the stacker is in normal lifting operation, the lifting motor 21 drives the drum 22 to rotate, and the drum 22 rotates to retract the wire rope 23 into the wire groove on the drum 22. The other end of the wire rope 23 passes around the pulley group 24 provided on the upper beam 13 and is fixedly connected to the side end connecting frames 26 on both sides of the upper end of the cargo platform 25. As the drum 22 rotates, the side end connecting frames 26 and the cargo platform 25 are gradually lifted, and the drum 22 rotates to retract the wire rope 23 into the wire groove on the drum. The inner side of the upper beam 13 is rotatably connected to multiple pulley groups 24. The other end of the wire rope 23 passes around the pulley group 24 provided on the upper beam 13 and is fixedly connected to the side end connecting frames 26 on both sides of the upper end of the cargo platform 25.

[0024] The synchronization component 3 includes a synchronization frame 31 and a synchronization sliding frame 32. The synchronization frame 31 is fixedly connected to the internal columns on both sides of the side end connecting frame 26. The synchronization frame 31 is provided with a lateral slot 312. During the lifting process of the cargo platform, the synchronous motor 361 works synchronously and drives the gear 362 to rotate through the gear shaft 364. The synchronization frame 31 is fixedly connected to the rack 363 that meshes with the gear. The rotating gear 362 moves vertically upward through the meshing of the gear rack, driving the gear shaft 362, the mounting plate 365 and the synchronization sliding frame 32 fixedly connected to the mounting plate 365 to move vertically upward. The vertical slide groove 313 opened inside the synchronization frame 31 is slidably connected to the synchronization sliding frame 32, and a driving component 36 is provided on the lower side of the synchronization sliding frame 32.

[0025] The driving assembly 36 includes a synchronous motor 361 and a gear shaft 364. The synchronous motor 361 is fixedly installed on the lower part of the synchronous sliding frame 32. The output shaft of the synchronous motor 361 is fixedly connected to the gear shaft 364. The outer side of the gear shaft 364 is fixedly sleeved with a gear 362. The synchronous stand 31 is fixedly connected to a rack 363 that meshes with the gear 362. The synchronous sliding frame 32 is fixedly connected to a support plate 33 on the side close to the side end connecting frame 26, and the other side of the gear 362 is rotatably connected to the mounting plate 365.

[0026] The support plate 33 passes through the forward sliding groove 311 opened on the synchronous frame 31 and the column sliding groove 121 opened on the column 12 in sequence, and enters the connecting frame slot 261 opened on the side end connecting frame 26. A hydraulic cylinder 372 is fixedly connected to the support plate 33, and a hydraulic rod 371 is slidably connected to the upper end of the hydraulic cylinder 372. The upper end surface of the hydraulic rod 371 is fixedly connected to the upper end surface of the connecting frame slot 261, and a spring 373 is sleeved between the hydraulic rod 371 and the hydraulic cylinder 372.

[0027] A distance detection device 34 is fixedly installed on the front end of the outer wall of the support plate 33, and an inclined support 35 is fixedly connected to the lower end of the front end of the synchronous sliding frame 32. The top of the inclined support 35 is fixedly connected to the lower end of the support plate 33, and a locking assembly 37 is provided on the outer side of the synchronous sliding frame 32.

[0028] When the wire rope 23 on the stacker is loosened or broken, the loading platform 25 falls downward, the side end connecting frame 26 moves downward relative to the support plate 33, the spring 373 is compressed, and the hydraulic rod 1 371 gradually retracts into the hydraulic cylinder 1 372. The distance detection device 24 fixed to one end of the support plate 33 close to the side end connecting frame 26 detects that the distance from the upper end surface of the connecting frame slot 261 is shortened, and transmits the detection signal to the synchronous motor 361. The synchronous motor 361 stops working, and the gear 362 no longer rotates. Due to the meshing of the gear rack, the synchronous sliding frame 32 and the support plate 33 stop moving. As the hydraulic rod 1 371 retracts, the oil in the rodless cavity of the hydraulic cylinder 1 372 enters the rodless cavity of the hydraulic cylinder 2 375 through the guide pipe 377, and the hydraulic rod 2 374 extends, pushing the anti-slip pad 376 fixedly connected to the outer end surface of the hydraulic rod 2 374 through the lateral slot 312 opened on the synchronous frame 31 gradually approaching the inner surface of the column 21 and abutting it.

[0029] The locking assembly 37 includes a hydraulic cylinder 1 372 and a hydraulic cylinder 2 375. The upper end side of the synchronous sliding frame 32 is fixedly connected to the hydraulic cylinder 2 375. The upper end of the hydraulic cylinder 2 375 is slidably connected to the hydraulic rod 2 374. The inner side of the hydraulic cylinder 1 372 is fixedly connected to the guide tube 377. The other end of the guide tube 377 is fixedly connected to the rodless cavity of the hydraulic cylinder 2 375. The outer end face of the hydraulic rod 2 374 is fixedly connected to the anti-slip pad 376. The surface of the anti-slip pad 376 is provided with an anti-slip edge 3761, and the inner wall of the column 12 is provided with an anti-slip edge 3761 corresponding to the anti-slip pad 376.

[0030] Working principle:

[0031] The high-stability stacker anti-fall device is mainly used to lock the stacker loading platform to prevent it from falling when the wire rope is loosened or broken;

[0032] The lifting structure of the stacker crane's anti-fall device with high stability:

[0033] When the stacker is in normal lifting operation, the lifting motor 21 drives the drum 22 to rotate, and the drum 22 rotates to retract the wire rope 23 into the wire groove on the drum 22. The other end of the wire rope 23 passes over the pulley block 24 provided on the upper crossbeam 13 and is fixedly connected to the side end connecting frames 26 on both sides of the upper end of the cargo platform 25. As the drum 22 rotates, the side end connecting frames 26 and the cargo platform 25 are gradually lifted;

[0034] Synchronous lifting structure of the stacker crane's anti-fall device with high stability:

[0035] During the lifting process of the cargo platform, the synchronous motor 361 works synchronously, driving the gear 362 to rotate through the gear shaft 364. The synchronous frame 31 is fixedly connected to a rack 363 that meshes with the gear. The rotating gear 362 moves vertically upward through the meshing of the gear and rack, driving the gear shaft 362, the mounting plate 365 and the synchronous sliding frame 32 fixedly connected to the mounting plate 365 to move vertically upward.

[0036] The fracture prevention structure of the high-stability stacker crane anti-fall device:

[0037] When the wire rope 23 on the stacker is loosened or broken, the loading platform 25 falls downward, the side end connecting frame 26 moves downward relative to the support plate 33, the spring 373 is compressed, and the hydraulic rod 1 371 gradually retracts into the hydraulic cylinder 1 372. The distance detection device 24 fixedly connected to one end of the support plate 33 close to the side end connecting frame 26 detects that the distance between the upper end surface of the connecting frame slot 261 is shortened, and transmits the detection signal to the synchronous motor 361. The synchronous motor 361 stops working, and the gear 362 no longer rotates. Due to the meshing of the gear rack, the synchronous sliding frame 32 and the support plate 33 stop moving. As the hydraulic rod 1 371 retracts, the oil in the rodless cavity of the hydraulic cylinder 1 372 enters the rodless cavity of the hydraulic cylinder 2 375 through the guide pipe 377, and the hydraulic rod 2 374 extends, pushing the anti-slip pad 376 fixedly connected to the outer end surface of the hydraulic rod 2 374 through the lateral slot 312 opened on the synchronous frame 31 gradually approaching the inner surface of the column 21 and abutting it;

[0038] The surface of the anti-slip pad 376 is provided with an anti-slip edge 3761, and the inner wall of the column 12 corresponding to the anti-slip pad 376 is provided with an anti-slip edge 3761 that cooperates with it, thereby increasing the friction between the anti-slip pad 376 and the inner wall of the column 12, ensuring that the synchronous sliding frame 32 and the support plate 33 can stay stably in the current position, thereby providing support for the side end connecting frame 26 abutting against the support plate 33, and thus ensuring that the cargo platform 25 will not fall.

[0039] Under normal conditions, the side connecting frame and the support plate remain relatively stationary, and the spring is in its original state.

[0040] While the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A high-stability stacker anti-fall device, comprising a frame (1), a lifting component (2) and a synchronization component (3), characterized in that: The frame (1) includes a lower crossbeam (11) and a column (12), the two columns (12) are fixedly mounted on both sides of the top of the lower crossbeam (11), the tops of the two columns (12) are fixedly mounted with an upper crossbeam (13), the lifting assembly (2) is arranged on the inner side of the column (12), the lifting assembly (2) includes a lifting motor (21) and a cargo platform (25), the lifting motor (21) is fixedly mounted on one side of the outer wall of the column (12), and the lifting The output shaft of the motor (21) is fixedly mounted with a drum (22), one end of a steel wire rope (23) is fixedly connected to the drum (22), and the drum (22) rotates to retract the steel wire rope (23) into the wire groove on the drum, and the inner side of the upper crossbeam (13) is rotatably connected to a plurality of pulley blocks (24), and the other end of the steel wire rope (23) passes around the pulley blocks (24) provided on the upper crossbeam (13) and is fixedly connected to the side end connecting frames (26) on both sides of the upper end of the cargo platform (25).

2. The high-stability stacker anti-fall device according to claim 1, characterized in that: The synchronization assembly (3) includes a synchronization frame (31) and a synchronization sliding frame (32). The synchronization frame (31) is fixedly connected to the columns on both sides of the side end connecting frame (26). The synchronization frame (31) is provided with a lateral notch (312). The synchronization frame (31) is slidably connected to the synchronization sliding frame (32) through a vertical slide groove (313) provided inside the synchronization frame (31). A driving assembly (36) is provided on one side below the synchronization sliding frame (32).

3. The high-stability stacker anti-fall device according to claim 2, characterized in that: The driving assembly (36) includes a synchronous motor (361) and a gear shaft (364). The synchronous motor (361) is fixedly installed on the lower part of the synchronous sliding frame (32). The output shaft of the synchronous motor (361) is fixedly connected to the gear shaft (364). The outer side of the gear shaft (364) is fixedly sleeved with a gear (362). The synchronous stand (31) is fixedly connected to a rack (363) that meshes with the gear (362). The synchronous sliding frame (32) is fixedly connected to a support plate (33) on one side close to the side end connecting frame (26). The other side of the gear (362) is rotatably connected to a mounting plate (365).

4. The high-stability stacker anti-fall device according to claim 3, characterized in that: The support plate (33) sequentially passes through the forward sliding groove opening (311) opened on the synchronous frame (31) and the column sliding groove opening (121) opened on the column (12), and enters the interior of the connecting frame slot (261) opened on the side end connecting frame (26). A hydraulic cylinder 1 (372) is fixedly connected to the support plate (33), and a hydraulic rod 1 (371) is slidably connected to the upper end of the hydraulic cylinder 1 (372). The upper end surface of the hydraulic rod 1 (371) is fixedly connected to the upper end surface of the connecting frame slot (261), and a spring (373) is sleeved between the hydraulic rod 1 (371) and the hydraulic cylinder 1 (372).

5. The high-stability stacker anti-fall device according to claim 4, characterized in that: A distance detection device (34) is fixedly mounted on the front end of the outer wall of the support plate (33), an oblique support (35) is fixedly connected to the lower end of the front end of the synchronous sliding frame (32), the top end of the oblique support (35) is fixedly connected to the lower end of the support plate (33), and a locking assembly (37) is provided on the outer side of the synchronous sliding frame (32).

6. The high-stability stacker anti-fall device according to claim 5, characterized in that: The locking assembly (37) includes a hydraulic cylinder 1 (372) and a hydraulic cylinder 2 (375), the upper end side surface of the synchronous sliding frame (32) is fixedly connected to the hydraulic cylinder 2 (375), the upper end of the hydraulic cylinder 2 (375) is slidably connected to the hydraulic rod 2 (374), the inner side of the hydraulic cylinder 1 (372) is fixedly connected to a guide tube (377), the other end of the guide tube (377) is fixedly connected to the rodless cavity of the hydraulic cylinder 2 (375), the outer end surface of the hydraulic rod 2 (374) is fixedly connected to an anti-slip pad (376), the surface of the anti-slip pad (376) is provided with an anti-slip edge surface (3761), and the inner wall of the column (12) is provided with an anti-slip edge surface (3761) corresponding to the anti-slip pad (376) at a position corresponding to the anti-slip pad (376).

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