Bearing type trolley wheel convenient to replace

Abstract

The utility model discloses a bearing type trolley wheel convenient to replace, which comprises a trolley body, the periphery of the lower end of the trolley body is fixedly connected with a mounting bracket, one side of the mounting bracket is provided with a fixed shaft, the surface of the fixed shaft is sleeved with a track wheel, the fixed shaft is provided with a locking mechanism, and the locking mechanism is fixedly connected with the mounting bracket. A clamping groove is formed in the upper end of the interior of the rail wheel, and the locking mechanism is used for locking the rail wheel. When the track wheel needs to be replaced, the hydraulic cylinder and the stroke air cylinder are started through the external controller, the hydraulic cylinder drives the supporting bottom plate to move downwards at the moment, the supporting bottom plate makes contact with the ground through the rubber pad, meanwhile, the supporting bottom plate jacks up one end of the vehicle body, and the vehicle body can be replaced conveniently. Meanwhile, a stroke air cylinder drives a fixing plate to move, the fixing plate drives a gear motor to move, the gear motor drives a rotating shaft to move, the rotating shaft drives an annular baffle to move, and the annular baffle drives a rectangular clamping block to move.

Description

Technical Field

[0001] The utility model belongs to the technical field of trolley wheels, and particularly relates to a load-bearing trolley wheel which is convenient to replace. Background Art

[0002] There are mainly two forms of trolleys in warehousing and logistics equipment: trolley in-out system and trolley warehousing system. Trolleys running on fixed tracks in a cyclic manner are equipment for transporting goods to designated locations. They are equipped with intelligent induction systems, can automatically remember the origin position, and have automatic deceleration systems, etc.

[0003] However, there are some problems in the prior art: The existing load-bearing trolleys are not convenient for replacing wheels. Since the wheels on most load-bearing trolleys adopt independent drive devices and directly fix the wheels on the shaft body of the bracket through a large number of screws, and during the disassembly and assembly of the wheels, it is also necessary to disassemble and assemble the drive device and various transmission gears, which affects the wheel replacement efficiency. Therefore, we propose a load-bearing trolley wheel which is convenient to replace. Summary of the Utility Model

[0004] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a load-bearing trolley wheel which is convenient to replace, which has the advantage of being convenient to replace wheels, and solves the problem that the existing load-bearing trolleys are not convenient to replace wheels. Since the wheels on most load-bearing trolleys adopt independent drive devices and directly fix the wheels on the shaft body of the bracket through a large number of screws, and during the disassembly and assembly of the wheels, it is also necessary to disassemble and assemble the drive device and various transmission gears, which affects the wheel replacement efficiency.

[0005] The utility model is realized as follows. A load-bearing trolley wheel which is convenient to replace includes:

[0006] A vehicle body, the periphery of the lower end of the vehicle body is fixedly connected with mounting brackets, one side of the mounting bracket is provided with a fixed shaft, the surface of the fixed shaft is sleeved with a track wheel, a locking mechanism is arranged on the fixed shaft, a clamping groove is opened at the upper end inside the track wheel, and the locking mechanism is used for locking the track wheel;

[0007] Fixed blocks, the fixed blocks are fixedly connected to both sides of the lower end of the vehicle body, there are two groups of fixed blocks, and the number of each group of fixed blocks is two, and the lower ends of the fixed blocks are fixedly connected with outer shells;

[0008] A positioning mechanism and a driving mechanism, the positioning mechanism is located on the outer shell, the driving mechanism is located inside the outer shell, the positioning mechanism is used for driving the vehicle body to be jacked up and fixed, and the driving mechanism is used for driving the rotation of the track wheel.

[0009] The locking mechanism includes a locking nut, a locking thread, a flat key pin slot, a flat key pin block, a rectangular clamping hole and a rectangular clamping block. The locking thread is arranged at one end of the surface of the fixed shaft. The inside of the locking nut is fixedly connected to the surface of the fixed shaft through the locking thread. The locking nut is in contact with the track wheel. The flat key pin slot is opened at the upper end of the surface of the fixed shaft. The lower end of the flat key pin block is clamped inside the flat key pin slot. The upper end of the flat key pin block is clamped inside the clamping slot. The rectangular clamping hole is opened at one end of the fixed shaft. The surface of the rectangular clamping block is clamped inside the rectangular clamping hole.

[0010] The positioning mechanism includes a bearing plate. A hydraulic cylinder is fixedly connected to the center of the upper end of the bearing plate. The output end of the hydraulic cylinder penetrates to the lower end of the bearing plate and is fixedly connected to a support bottom plate. A rubber pad is fixedly connected to the lower end of the support bottom plate.

[0011] The driving mechanism includes a stroke cylinder. The output end of the stroke cylinder is fixedly connected to a fixing plate. The surface of the fixing plate is in contact with the inner periphery of the housing. A reduction motor is fixedly connected to the fixing plate. The output end of the reduction motor is fixedly connected to a rotating shaft. One end of the rotating shaft extends outside the housing.

[0012] One end of the rectangular clamping block is fixedly connected to an annular baffle. The other end of the annular baffle is fixedly connected to one side of the rotating shaft.

[0013] A brake disc is sleeved on one end of the surface of the fixed shaft. A brake is arranged at the upper end of the brake disc. The brake is fixedly connected to the mounting bracket.

[0014] A limiting collar is sleeved on the surface of the fixed shaft. One end of the limiting collar is fixedly connected to the surface of the brake disc. The other end of the limiting collar is in contact with the surface of the track wheel.

[0015] An assembly hole is opened on the mounting bracket. A rotating bearing is fixedly connected inside the assembly hole. The inside of the rotating bearing is sleeved on one end of the surface of the fixed shaft.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. When the track wheel needs to be replaced, first start the hydraulic cylinder and the stroke cylinder through an external controller. At this time, the hydraulic cylinder drives the support bottom plate to move downward. The support bottom plate contacts the ground through the rubber pad. At the same time, the support bottom plate jacks up one end of the vehicle body.

[0018] 2. At the same time, the stroke cylinder drives the fixing plate to start moving. The fixing plate drives the reduction motor to start moving. The reduction motor drives the rotating shaft to start moving. The rotating shaft drives the annular baffle to start moving. The annular baffle drives the rectangular clamping block to start moving, so that the rectangular clamping block moves out of the rectangular clamping hole.

[0019] 3. Then remove the lock nut on the fixed shaft through the locking thread, and use an external (three-jaw puller) tool to pull the track wheel on the fixed shaft outwards. At the same time, the clamping groove on the track wheel will be separated from the flat key pin block in the flat key pin groove, and finally the track wheel and the fixed shaft will be disassembled. When the track wheel needs to be installed, just perform the opposite operation according to the above steps.

[0020] Other features and advantages of the present invention will become clear through the following detailed description of the exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the overall structural schematic diagram provided by the present invention;

[0022] Figure 2 is the structural schematic diagram of the positioning mechanism provided by the present invention;

[0023] Figure 3 is the unfolded schematic diagram of the locking mechanism provided by the present invention;

[0024] Figure 4 is the schematic diagram of the driving mechanism provided by the present invention.

[0025] In the figure: 1, vehicle body; 2, mounting bracket; 3, fixed shaft; 4, track wheel; 5, locking mechanism; 51, lock nut; 52, locking thread; 53, flat key pin groove; 54, flat key pin block; 55, rectangular clamping hole; 56, rectangular clamping block; 6, clamping groove; 7, fixed block; 8, housing; 9, positioning mechanism; 91, bearing plate; 92, hydraulic cylinder; 93, support bottom plate; 94, rubber pad; 10, driving mechanism; 101, stroke cylinder; 102, fixing plate; 103, reduction motor; 104, rotating shaft; 11, brake disc; 12, brake; 13, limit collar; 14, assembly hole; 15, rotating bearing; 16, annular baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] In order to further understand the content, features and effects of the present invention, the following embodiments are cited and described in detail with reference to the accompanying drawings.

[0027] As Figures 1 to 4 shown, a replaceable load-bearing trolley wheel provided by an embodiment of the present invention includes:

[0028] A vehicle body 1, with mounting brackets 2 fixedly connected to the four peripheries of the lower end of the vehicle body 1. A fixed shaft 3 is arranged on one side of the mounting bracket 2. A track wheel 4 is sleeved on the surface of the fixed shaft 3. A locking mechanism 5 is arranged on the fixed shaft 3. A clamping groove 6 is opened at the upper end inside the track wheel 4. The locking mechanism 5 is used to lock the track wheel 4;

[0029] Fixed blocks 7 are fixedly connected to both sides of the lower end of the vehicle body 1. There are two groups of fixed blocks 7, and the number of fixed blocks 7 in each group is two. The lower end of the fixed block 7 is fixedly connected with a housing 8;

[0030] The positioning mechanism 9 and the driving mechanism 10. The positioning mechanism 9 is located on the housing 8, and the driving mechanism 10 is located inside the housing 8. The positioning mechanism 9 is used to drive the vehicle body 1 to be jacked up and fixed, and the driving mechanism 10 is used to drive the rotation of the track wheel 4.

[0031] Furthermore, the locking mechanism 5 includes a locking nut 51, a locking thread 52, a flat key slot 53, a flat key block 54, a rectangular clamping hole 55 and a rectangular clamping block 56. The locking thread 52 is provided at one end of the surface of the fixed shaft 3. The inside of the locking nut 51 is fixedly connected to the surface of the fixed shaft 3 through the locking thread 52. The locking nut 51 is in contact with the track wheel 4. The flat key slot 53 is opened at the upper end of the surface of the fixed shaft 3. The inside of the flat key slot 53 is clamped with the lower end of the flat key block 54. The upper end of the flat key block 54 is clamped inside the clamping groove 6. The rectangular clamping hole 55 is opened at one end of the fixed shaft 3. The surface of the rectangular clamping block 56 is clamped inside the rectangular clamping hole 55. First, the hydraulic cylinder 92 and the stroke cylinder 101 are started by an external controller. At this time, the hydraulic cylinder 92 drives the support bottom plate 93 to move downward. The support bottom plate 93 contacts the ground through the rubber pad 94.

[0032] Through the mutual cooperation of the locking nut 51, the locking thread 52, the flat key slot 53, the flat key block 54 and the clamping groove 6, it plays a role in facilitating positioning and installation during the use of the fixed shaft 3 and the track wheel 4, preventing the track wheel 4 from being inconvenient to position during the installation process, and preventing the phenomenon of self-rotation between the track wheel 4 and the fixed shaft 3.

[0033] Furthermore, the positioning mechanism 9 includes a bearing plate 91. A hydraulic cylinder 92 is fixedly connected to the center of the upper end of the bearing plate 91. The output end of the hydraulic cylinder 92 penetrates to the lower end of the bearing plate 91 and is fixedly connected with a support bottom plate 93. The lower end of the support bottom plate 93 is fixedly connected with a rubber pad 94. Anti-slip lines are provided at the lower end of the rubber pad 94. At the same time, the support bottom plate 93 jacks up one end of the vehicle body 1. At the same time, the stroke cylinder 101 drives the fixing plate 102 to start moving, and the fixing plate 102 drives the reduction motor 103 to start moving.

[0034] Through the mutual cooperation of the rubber pad 94 and the anti-slip lines, it plays a role in good anti-displacement effect during the use of the bearing plate 91, can prevent the vehicle body 1 from sliding during the jacking process, and ensures the stability of the vehicle body 1.

[0035] Further, the driving mechanism 10 includes a stroke cylinder 101. A fixing plate 102 is fixedly connected to the output end of the stroke cylinder 101. The surface of the fixing plate 102 contacts the inner periphery of the housing 8. A reduction motor 103 is fixedly connected to the fixing plate 102. A rotating shaft 104 is fixedly connected to the output end of the reduction motor 103. One end of the rotating shaft 104 extends outside the housing 8. The reduction motor 103 drives the rotating shaft 104 to start moving. The rotating shaft 104 drives the annular baffle 16 to start moving. The annular baffle 16 drives the rectangular clamping block 56 to start moving.

[0036] Through the arrangement of the fixing plate 102, it plays a role of fixing and stabilizing the reduction motor 103 and the rotating shaft 104 during use, preventing the reduction motor 103 and the rotating shaft 104 from shaking during operation.

[0037] Further, one end of the rectangular clamping block 56 is fixedly connected to the annular baffle 16. The other end of the annular baffle 16 is fixedly connected to one side of the rotating shaft 104, so that the rectangular clamping block 56 is moved out of the rectangular clamping hole 55. Then, the locking nut 51 on the fixed shaft 3 is removed through the locking thread 52, and an external (three-jaw puller) tool is used to pull the track wheel 4 on the fixed shaft 3 outwards.

[0038] Through the mutual cooperation of the rectangular clamping block 56, the annular baffle 16 and the rotating shaft 104, the reduction motor 103 can stably drive the fixed shaft 3 and the track wheel 4 to rotate during operation, and the rotating shaft 104 can increase the bearing capacity of the fixed shaft 3, effectively preventing the fixed shaft 3 from deforming.

[0039] Further, a brake disc 11 is sleeved on one end of the surface of the fixed shaft 3. A brake 12 is arranged above the brake disc 11. The brake 12 is fixedly connected to the mounting bracket 2. At the same time, the card slot 6 on the track wheel 4 will be separated from the key block 54 in the flat key slot 53. Finally, the track wheel 4 is disassembled from the fixed shaft 3. When the track wheel 4 needs to be installed, the reverse operation is performed according to the above steps.

[0040] Through the mutual cooperation of the brake disc 11 and the brake 12, it plays a role of assisting deceleration for the track wheel 4 during use, preventing the track wheel 4 from decelerating too fast and causing the reduction motor 103 to burn out.

[0041] Further, a limiting collar 13 is sleeved on the surface of the fixed shaft 3. One end of the limiting collar 13 is fixedly connected to the surface of the brake disc 11. The other end of the limiting collar 13 contacts the surface of the track wheel 4.

[0042] Through the arrangement of the limiting collar 13, it plays a role of spacing limitation for the track wheel 4 and the brake disc 11 during operation, preventing the brake disc 11 from being damaged by collision when the track wheel 4 slides on the track.

[0043] Furthermore, an assembly hole 14 is formed in the mounting bracket 2. A rotating bearing 15 is fixedly connected inside the assembly hole 14. One end of the surface of the fixed shaft 3 is sleeved inside the rotating bearing 15. A limiting convex block is fixedly connected to one side inside the assembly hole 14, and the limiting convex block is in contact with the rotating bearing 15.

[0044] Through the arrangement of the limiting convex block, the rotating bearing 15 is fixed and stabilized during use, preventing the phenomenon that the rotating bearing 15 and the assembly hole 14 slip off during operation.

[0045] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A load-bearing trolley wheel that is easy to replace, characterized in that: include: A vehicle body (1), wherein a mounting bracket (2) is fixedly connected to the four sides of the lower end of the vehicle body (1), a fixed shaft (3) is arranged on one side of the mounting bracket (2), a track wheel (4) is sleeved on the surface of the fixed shaft (3), a locking mechanism (5) is arranged on the fixed shaft (3), a slot (6) is arranged at the upper end of the track wheel (4), and the locking mechanism (5) is used to lock the track wheel (4); A fixing block (7), the fixing block (7) being fixedly connected to both sides of the lower end of the vehicle body (1), the fixing block (7) being in two groups, and each group of fixing blocks (7) having two fixing blocks, and the lower end of the fixing block (7) being fixedly connected to a housing (8); A positioning mechanism (9) and a driving mechanism (10), wherein the positioning mechanism (9) is located on the outer shell (8), and the driving mechanism (10) is located inside the outer shell (8). The positioning mechanism (9) is used to drive the vehicle body (1) to be lifted up and fixed, and the driving mechanism (10) is used to drive the rotation of the track wheel (4).

2. The easily replaceable load-bearing trolley wheel according to claim 1, characterized in that: The locking mechanism (5) comprises a locking nut (51), a locking thread (52), a flat key pin groove (53), a flat key pin block (54), a rectangular clamping hole (55) and a rectangular clamping block (56); the locking thread (52) is arranged at one end of the surface of the fixed shaft (3); the interior of the locking nut (51) is fixedly connected to the surface of the fixed shaft (3) through the locking thread (52); the locking nut (51) is in contact with the track wheel (4); the flat key pin groove (53) is arranged at the upper end of the surface of the fixed shaft (3); the interior of the flat key pin groove (53) is clamped with the lower end of the flat key pin block (54); the upper end of the flat key pin block (54) is clamped with the interior of the clamping groove (6); the rectangular clamping hole (55) is arranged at one end of the fixed shaft (3); the surface of the rectangular clamping block (56) is clamped with the interior of the rectangular clamping hole (55).

3. The easily replaceable load-bearing trolley wheel according to claim 1, characterized in that: The positioning mechanism (9) comprises a bearing plate (91), a hydraulic cylinder (92) is fixedly connected to the center of the upper end of the bearing plate (91), an output end of the hydraulic cylinder (92) passes through the lower end of the bearing plate (91) and is fixedly connected to a supporting base plate (93), and a rubber pad (94) is fixedly connected to the lower end of the supporting base plate (93).

4. The easily replaceable load-bearing trolley wheel according to claim 1, characterized in that: The driving mechanism (10) comprises a stroke cylinder (101), the output end of the stroke cylinder (101) is fixedly connected to a fixing plate (102), the surface of the fixing plate (102) is in contact with the inner periphery of the housing (8), the fixing plate (102) is fixedly connected to a reduction motor (103), the output end of the reduction motor (103) is fixedly connected to a rotating shaft (104), and one end of the rotating shaft (104) extends outside the housing (8).

5. The easily replaceable load-bearing trolley wheel according to claim 2, characterized in that: One end of the rectangular block (56) is fixedly connected to an annular baffle (16), and the other end of the annular baffle (16) is fixedly connected to one side of the rotating shaft (104).

6. The easily replaceable load-bearing trolley wheel according to claim 1, characterized in that: A brake disc (11) is sleeved on one end of the surface of the fixed shaft (3), a brake (12) is provided on the upper end of the brake disc (11), and the brake (12) is fixedly connected to the mounting bracket (2).

7. The easily replaceable load-bearing trolley wheel according to claim 1, characterized in that: A limiting collar (13) is sleeved on the surface of the fixed shaft (3), one end of the limiting collar (13) is fixedly connected to the surface of the brake disc (11), and the other end of the limiting collar (13) is in contact with the surface of the track wheel (4).

8. The easily replaceable load-bearing trolley wheel according to claim 1, characterized in that: The mounting bracket (2) is provided with an assembly hole (14), the interior of the assembly hole (14) is fixedly connected with a rotating bearing (15), and the interior of the rotating bearing (15) is sleeved with one end of the surface of the fixed shaft (3).

Images