Walking device of stacking machine

Abstract

The utility model belongs to the technical field of stackers, and particularly discloses a stacker traveling device which comprises a driving wheel seat, a traveling gear motor and a driving shaft, a driving wheel traveling on a ground rail is rotatably connected onto the driving wheel seat, the traveling gear motor is in transmission connection with the driving wheel through the driving shaft, and a guide wheel mounting frame is arranged on the front side or the rear side of the driving wheel seat. A groove used for being connected with a stacking machine in a matched mode is formed in the other side of the driving wheel base, the groove is a stepped groove with the upper portion shallow and the lower portion deep, a connecting protrusion is arranged on the stacking machine, the connecting protrusion and the groove are in central symmetry, and the connecting protrusion and the groove are connected in a matched mode to form a wedge-shaped structure, so that bolts on the driving wheel base are prevented from bearing shearing force. The guide wheels are in rolling connection with the side wall of the ground rail, and stable guiding is conveniently provided.

Description

Technical Field

[0001] The utility model belongs to the technical field of stackers, in particular to a stacker walking device. Background Art

[0002] Stacking crane, also known as stacker, is the most important lifting and transportation equipment in the stereoscopic warehouse. It is a symbol of the characteristics of the stereoscopic warehouse. It uses a fork or a string rod as a picking device. It can run back and forth in the aisle of the stereoscopic warehouse to store the goods at the entrance of the aisle into the cargo grid of the shelf, or take out the goods in the cargo grid and transport them to the entrance of the aisle. It is a storage equipment

[0003] The basic structure of the stacker includes the main frame, lifting mechanism, guide device, walking device and operating system. The main frame is usually welded from high-strength steel plates and has high rigidity and stability. The stacker moving mechanism is an important part of the stacker and is mainly responsible for the movement of the stacker in the lane.

[0004] The existing walking mechanism uses a finished wheel box to connect the motor through a spline for transmission, which requires high processing accuracy of the shaft and the wheel, and is difficult to install and disassemble. For example, a stacker walking wheel drive structure provided by the Chinese utility model patent with announcement number CN212893744U is inconvenient to install and disassemble. If it is connected to the stacker by bolts, the connected bolts are easily subjected to large shear forces, affecting stability and service life. Utility Model Content

[0005] In view of the inconvenience of installation and disassembly of the stacker travel device in the prior art, and the bolts connected to the stacker are easily subjected to large shear forces, which affects the stability and service life, a stacker travel device is proposed. The utility model provides the following technical solutions:

[0006] A stacker travel device comprises a driving wheel seat, a travel reduction motor and a driving shaft, wherein the driving wheel seat is rotatably connected with a driving wheel that travels on a ground rail, the travel reduction motor is connected to the driving wheel through the driving shaft, a guide wheel mounting frame is arranged on the front side or the rear side of the driving wheel seat, and a groove for matching and connecting to the stacker is arranged on the other side, two guide wheels are installed at the bottom of the guide wheel mounting frame, and the guide wheels are rollingly connected to the side wall of the ground rail.

[0007] Preferably, the groove is a stepped groove.

[0008] Preferably, the travel reduction motor is fixed to the driving shaft via a flat key connected to the keyway of the driving shaft, and the driving shaft is connected to the driving wheel via a tension sleeve.

[0009] Preferably, the driving shaft is mounted on a spherical roller bearing, lubricated by an oil cup, with bearing end covers provided on both sides and sealing rings provided under the bearing end covers.

[0010] Preferably, a bearing seat for mounting a spherical roller bearing and an adjusting bolt and an adjusting nut for fine-tuning the position of the bearing seat are provided on the driving wheel seat, and a fixing hole is provided on the bearing seat, which is a long hole, and the adjusting bolt passes through the fixing hole.

[0011] Preferably, the fixing holes are arranged to extend horizontally.

[0012] Preferably, the axis of the driving wheel and the axis of the guide wheel are arranged perpendicular to each other, and the two guide wheels are arranged symmetrically with respect to the driving wheel.

[0013] Preferably, a torque arm is provided on the same side of the groove, the torque arm is connected to the travel reduction motor via a pin shaft, and the outer end of the torque arm is connected to the lower crossbeam of the stacker via a fixing bolt.

[0014] Preferably, an anti-tilt hook for hooking the ground rail is fixedly connected to the driving wheel seat, and the anti-tilt hook is arranged on the lower side of the groove.

[0015] Preferably, the anti-tilt hook comprises a left hook body and a right hook body, and the left hook body and the right hook body are symmetrically arranged and fixedly connected to the driving wheel seat by bolts.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. A guide wheel mounting frame is arranged on the front or rear side of the driving wheel seat, and a groove for connecting with a stacker is arranged on the other side. The groove is a stepped groove with a shallow top and a deep bottom. A connecting convex is arranged on the stacker. The connecting convex is symmetrical with the center of the groove. The connecting convex and the groove are connected to form a wedge-shaped structure to prevent the bolts on the driving wheel seat from being subjected to shear force;

[0018] 2. Two guide wheels are installed at the bottom of the guide wheel mounting frame, and the guide wheels are rollingly connected to the side wall of the ground rail to provide stable guidance;

[0019] 3. The driving shaft is installed on the spherical roller bearing. The spherical roller bearing can not only bear the axial load acting in both directions, but also is not affected by the angle error between the shaft and the bearing seat or the bending of the shaft;

[0020] 4. An anti-tilt hook for hooking the ground rail is fixedly connected to the driving wheel seat. The anti-tilt hook is arranged on the lower side of the groove to prevent the stacker from tilting. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional view of the utility model;

[0022] Figure 2 It is a front view of the utility model;

[0023] Figure 3 It is a left side view of the utility model;

[0024] Figure 4 It is a top view of the utility model;

[0025] Figure 5 It is a cross-sectional view of the utility model;

[0026] Figure 6 It is a rear view of the utility model;

[0027] Figure 7 This is a side view of the driving shaft of the utility model;

[0028] In the attached drawings, 1. tension sleeve; 2. travel reduction motor; 3. guide wheel; 4. oil cup; 5. driving shaft; 6. spherical roller bearing; 7. bearing end cover; 8. bearing seat; 9. driving wheel; 10. driving wheel seat; 11. cover plate; 12. spacer; 13. sealing ring; 14. skeleton seal; 15. torque arm; 16. anti-tilt hook; 17. stop washer; 18. adjusting bolt; 19. adjusting nut; 20. groove; 21. keyway; 22. pin; 23. fixing bolt. DETAILED DESCRIPTION

[0029] The directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention of the utility model.

[0030] like Figure 1-7 As shown, a stacker walking device includes a driving wheel seat 10, a walking reduction motor 2 and a driving shaft 5. The driving wheel seat 10 is rotatably connected to a driving wheel 9 that walks on a ground rail. The walking reduction motor 2 is connected to the driving wheel 9 through the driving shaft 5. A guide wheel 3 mounting frame is arranged on the front or rear side of the driving wheel seat 10, and a groove 20 for matching and connecting to the stacker is arranged on the other side. The groove 20 is a stepped groove that is shallow on the top and deep on the bottom. A connecting protrusion is arranged on the stacker, and the connecting protrusion is symmetrical with the center of the groove 20. The connecting protrusion and the groove 20 are matched and connected to form a wedge-shaped structure to prevent the bolts on the driving wheel seat 10 from being subjected to vertical shear force. Two guide wheels 3 are installed at the bottom of the guide wheel 3 mounting frame, and the guide wheels 3 are rollingly connected to the side walls of the ground rail to provide stable guidance.

[0031] Specifically, a cover plate 11 is arranged above the driving wheel seat 10 for covering the driving wheel 9; the guide wheel 3 is connected to the guide wheel 3 mounting frame through a shaft rod, the guide wheel 3 is rotatably connected to the bottom of the shaft rod, a limited step convex is arranged in the middle of the shaft rod, and the upper part of the shaft rod is fixed by a stop bolt and a stop washer 17; the travel reduction motor 2 is fixed to the keyway 21 of the driving shaft 5 through a flat key connected to the keyway 21 of the driving shaft 5, which reduces the processing difficulty of the driving shaft 5; the driving shaft 5 is connected to the driving wheel 9 through a tension sleeve 1 to realize power transmission.

[0032] Specifically, the driving shaft 5 is mounted on the spherical roller bearing 6, a spacer 12 is arranged on the side of the spherical roller bearing 6, and the oil cup 4 is used for lubrication. The bearing end covers 7 are arranged on both sides to prevent the leakage of lubricating oil. The bearing end covers 7 are also provided with sealing rings 13, and a skeleton seal 14 is used; the spherical roller bearing 6 can not only withstand the axial load of bidirectional action, but also can be unaffected by the angle error between the shaft and the bearing seat 8 or the influence of the shaft bending. In addition, the motor is fixed to the keyway 21 of the driving shaft 5 by a flat key.

[0033] Specifically, the driving wheel seat 10 is provided with a bearing seat 8 for mounting the spherical roller bearing 6 and an adjusting bolt 18 and an adjusting nut 19 for fine-tuning the position of the bearing seat 8. The bearing seat 8 is provided with a fixing hole, which is a long hole and extends horizontally. The adjusting bolt 18 passes through the fixing hole, and the position of the bearing seat 8 can be fine-tuned by adjusting the bolt 18 and the adjusting nut 19, so that the driving wheel 9 is aligned with the center line on both sides of the stacker.

[0034] Specifically, the axis of the driving wheel 9 and the axis of the guide wheel 3 are arranged perpendicular to each other, and the two guide wheels 3 are arranged symmetrically with respect to the driving wheel 9 .

[0035] Specifically, a torque arm 15 is provided on the same side of the groove 20, and the torque arm 15 is connected to the travel reduction motor 2 through a pin shaft 22, and the outer end of the torque arm 15 is connected to the lower cross beam of the stacker through a fixing bolt 23, which is convenient for disassembly and assembly. The torque arm 15 can be used to connect the stacker. If the stacker travel device fails later, the torque arm 15 can be disassembled and the stacker travel device can be taken out separately for repair without replacing the entire stacker.

[0036] Specifically, an anti-tilt hook 16 for hooking the ground rail is fixedly connected to the driving wheel seat 10. The anti-tilt hook 16 is arranged on the lower side of the groove 20 to prevent the stacker from tipping over. The anti-tilt hook 16 includes a left hook body and a right hook body, which are symmetrically arranged and fixedly connected to the driving wheel seat 10 by bolts, so as to facilitate adjusting the interval between the left hook body and the right hook body according to the width of the ground rail and adapt to ground rails of different specifications.

[0037] Working principle: When in use, the travel reduction motor 2 drives the driving shaft 5 to rotate through the flat key connection, and the driving shaft 5 is connected to the driving wheel 9 through the tensioning sleeve 1, which drives the driving wheel 9 to rotate to realize the movement of the lane. At the same time, the driving shaft 5 is installed on the spherical roller bearing 6 to make it well stressed. The lubrication method adopts the oil cup 4 lubrication to prevent the leakage of lubricating oil. The bearing end cover 7 is matched with the sealing ring 13 and the skeleton seal 14. The fixed guide wheel 3 ensures the accurate direction, and the anti-tilt hook 16 prevents the side tilt.

Claims

1. A stacker travel device, comprising a driving wheel seat (10), a travel reduction motor (2) and a driving shaft (5), wherein the driving wheel seat (10) is rotatably connected to a driving wheel (9) that travels on a ground rail, and the travel reduction motor (2) is connected to the driving wheel (9) through the driving shaft (5), characterized in that: A guide wheel (3) mounting frame is arranged on the front side or the rear side of the driving wheel seat (10), and a groove (20) for matching and connecting with a stacker is arranged on the other side. Two guide wheels (3) are installed at the bottom of the guide wheel (3) mounting frame, and the guide wheels (3) are rollingly connected to the side wall of the ground rail.

2. The stacker traveling device according to claim 1, characterized in that: The groove (20) is a stepped groove.

3. The stacker traveling device according to claim 1, characterized in that: The travel reduction motor (2) is fixed to the driving shaft (5) via a flat key connected to a keyway (21) of the driving shaft (5), and the driving shaft (5) is connected to the driving wheel (9) via a tension sleeve (1).

4. The stacker traveling device according to claim 1, characterized in that: The driving shaft (5) is mounted on a self-aligning roller bearing (6) and is lubricated by an oil cup (4). Bearing end covers (7) are arranged on both sides, and a sealing ring (13) is arranged under the bearing end cover (7).

5. The stacker traveling device according to claim 4, characterized in that: The driving wheel seat (10) is provided with a bearing seat (8) for mounting a spherical roller bearing (6) and an adjusting bolt (18) and an adjusting nut (19) for fine-tuning the position of the bearing seat (8). The bearing seat (8) is provided with a fixing hole which is a long hole and through which the adjusting bolt (18) passes.

6. The stacker traveling device according to claim 5, characterized in that: The fixing holes are arranged to extend horizontally.

7. The stacker traveling device according to claim 1, characterized in that: The axis of the driving wheel (9) and the axis of the guide wheel (3) are arranged perpendicular to each other, and the two guide wheels (3) are arranged symmetrically with respect to the driving wheel (9).

8. The stacker traveling device according to claim 1, characterized in that: A torque arm (15) is arranged on the same side of the groove (20), the torque arm (15) is connected to the travel reduction motor (2) via a pin shaft (22), and the outer end of the torque arm (15) is connected to the lower crossbeam of the stacker via a fixing bolt (23).

9. The stacker traveling device according to claim 1, characterized in that: An anti-tilt hook (16) for hooking a ground rail is fixedly connected to the driving wheel seat (10), and the anti-tilt hook (16) is arranged on the lower side of the groove (20).

10. The stacker traveling device according to claim 9, characterized in that: The anti-tilt hook (16) comprises a left hook body and a right hook body, and the left hook body and the right hook body are symmetrically arranged and fixedly connected to the driving wheel seat (10) by bolts.

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