Omnidirectional mobile loading platform

Abstract

The invention discloses an omni-directional mobile loading platform, and belongs to the technical field of loading carriers, the omni-directional mobile loading platform comprises a rotating platform, the middle of the rotating platform is fixedly connected with a limiting function assembly in a penetrating manner, the upper end of the limiting function assembly is fixedly connected with an internal tooth fixing plate, and the middle of the upper end of the internal tooth fixing plate is fixedly connected with a telescopic supporting assembly; the lower end of the telescopic supporting piece vertically penetrates through the limiting function assembly and then is connected with a supporting chassis, the upper end of one side of the inner tooth fixing plate is fixedly connected with a vertical steering driving piece, a power shaft at the lower end of the steering driving piece penetrates through the inner tooth fixing plate and then is fixedly connected with a first transmission piece, and the upper end of the middle of the rotating platform is further fixedly connected with a second transmission piece. The first transmission part is in transmission connection with the second transmission part; a walking mechanism is installed on the peripheral side of the lower end of the rotating platform and can drive the whole omni-directional moving load-carrying platform to move. The steering device has the advantages that steering is convenient, manual assistance is not needed, and wheel sets and the ground are prevented from being abraded.

Description

Technical Field

[0001] The present invention relates to the technical field of load-carrying transport vehicles, and more specifically, to an omnidirectional mobile load platform. Background Art

[0002] The installation of electrical equipment in substations, machine tools in factories, laboratory equipment, etc. is often carried out in restricted spaces. Mobile load platforms are required for transporting the above-mentioned equipment during the installation process, mainly including hoisting equipment after hoisting by a hoisting-type overhead crane, a floating air cushion handling platform, a wheeled platform vehicle, etc.

[0003] The wheeled platform vehicle is widely used because it occupies less space, is more flexible in movement, and has lower requirements for the ground flatness. Existing wheeled platform vehicles all encounter difficulties in steering during the handling process, and various solutions have been proposed for this. For example, the utility model patent with the application number 202320350646.7 proposes an electric traction device for handling heavy electrical equipment in a restricted space power grid, using the differential of the wheels to achieve steering; the application number 202320350646.7 proposes an AGV steering wheel and chassis structure with an internal suspension, and its vehicle control system will drive the steering wheel to rotate at a certain angle around the hinge shaft; the application number 202110524926.0 proposes a Mecanum wheel suspension damping mechanism, using the controllable steering function of the Mecanum wheel to achieve steering.

[0004] When using these methods for steering, due to the large load, the driving force required by the wheels in various steering methods is large, and even manual use of a jack is required to assist in steering, which affects the efficiency; the wheels inevitably slide on the ground, causing greater wear to the wheels and the ground, and affecting the steering and positioning accuracy, which has an impact on the in-place installation in a restricted space and urgently needs to be solved. Summary of the Invention

[0005] The present invention aims to at least solve one of the technical problems in the related technologies of the mobile load platform "ground tank" to enable the wheeled mobile load platform "ground tank" to turn more conveniently, without manual assistance, and avoid wearing the wheel set or the ground.

[0006] To achieve the above object, the present invention provides an omnidirectional mobile load platform, including a rotating platform. A limiting function component is fixedly connected through the middle of the rotating platform. The upper end of the limiting function component is fixedly connected with an internal gear fixing plate. The middle of the upper end of the internal gear fixing plate is fixedly connected with a telescopic support component. The lower end of the telescopic support member vertically passes through the limiting function component and is connected with a support chassis. One side of the upper end of the internal gear fixing plate is fixedly connected with a vertical steering drive member. The lower end power shaft of the steering drive member passes through the internal gear fixing plate and is fixedly connected with a first transmission member. The upper end of the middle of the rotating platform is also fixedly connected with a second transmission member. The first transmission member is in transmission connection with the second transmission member; A traveling mechanism is installed on the circumferential side of the lower end of the rotating platform, and the traveling mechanism can drive the overall movement of the omnidirectional mobile load platform; The limiting function component has the function of enabling the rotating platform to rotate relative to the internal gear fixing plate; The limiting function component has the function of enabling the rotating platform to move up and down relative to the internal gear fixing plate.

[0007] In some embodiments, the limiting function component includes a rotating shaft. The vertical section of the rotating shaft is a hollow "J" shape. A rotating bearing is sleeved outside the rotating shaft. The outside of the rotating bearing is connected with a bearing housing. The bearing housing is fixedly connected with the rotating platform. The upper end of the rotating shaft is fixedly connected with the internal gear fixing plate.

[0008] In some embodiments, a bearing outer sleeve is sleeved between the outside of the rotating bearing and the bearing housing, and a bearing inner sleeve is sleeved between the inside of the rotating bearing and the rotating shaft. The bearing outer sleeve can slide up and down between the bearing housing. A limiting retaining ring is also embedded at the lower end inside the bearing housing. There is a sliding gap between the upper end of the limiting retaining ring and the bearing outer sleeve.

[0009] In some embodiments, a convex ring is provided on the circumferential side of the lower end of the limiting function component. The convex ring is arranged at the lower end of the rotating platform, and the convex ring is fixedly connected with the rotating platform through fasteners.

[0010] In some embodiments, a braking component is provided between the upper end of the second transmission part and the internal gear fixing plate. When the upper end of the braking component contacts the lower end of the internal gear fixing plate, the relative position between the second transmission part and the internal gear fixing plate can be kept fixed.

[0011] In some embodiments, the telescopic support component includes a contact plate. The contact plate is horizontally arranged at the upper end of the internal gear fixing plate. The lower side of the contact plate is fixedly connected with the internal gear fixing plate through a plurality of support columns. A telescopic part is fixedly connected to the lower end of the contact plate. The lower end of the telescopic part vertically passes through the limiting function component and then is connected with a support chassis.

[0012] In some embodiments, a telescopic auxiliary part is connected to the lower end of the telescopic part, and the lower end of the telescopic auxiliary part is connected with the support chassis through a support rod.

[0013] In some embodiments, the traveling mechanism includes a driving motor and a first wheel assembly, a second wheel assembly, a third wheel assembly, and a fourth wheel assembly installed on the circumferential edge of the lower end of the rotating platform; One end of the output shaft of the driving motor is connected to the first coupling by a key. The other end of the first coupling is connected to the driving shaft of the first wheel assembly by a key. The other end of the driving shaft of the first wheel assembly is connected to a first wheel sprocket by a key. The first wheel sprocket is connected to a second wheel sprocket by a first chain drive. The second wheel sprocket is provided on the driving shaft of the second wheel assembly. The other end of the driving shaft of the second wheel assembly is sequentially connected to the driving shaft of the third wheel assembly through a second coupling, a transmission shaft, and a third coupling. The other end of the third driving shaft is sequentially connected to the driving shaft of the fourth wheel assembly through a third wheel sprocket, a second chain, and a fourth wheel sprocket.

[0014] In some embodiments, the first wheel assembly includes a wheel frame. The upper end of the wheel frame is fixedly connected to the lower end of the rotating platform. The wheel frame is rotatably connected to the driving shaft of the first wheel assembly. The structures of the second wheel assembly, the third wheel assembly, and the fourth wheel assembly are all the same as that of the first wheel assembly.

[0015] In some embodiments, the first wheel assembly includes a load-carrying wheel. A bushing is press-fitted inside the load-carrying wheel. The connection between the bushing and the load-carrying wheel is an interference fit connection. The inside of the bushing is connected to the driving shaft of the first wheel assembly by a key. The structures of the second wheel assembly, the third wheel assembly, and the fourth wheel assembly are all the same as that of the first wheel assembly. The advantages of the present invention compared with the prior art are as follows: 1. The telescopic support assembly jacks up the heavy object from the ground, thereby transferring the pressure of the heavy object transmitted to the ground through the wheels. At the same time, the motor and gear fixed on the vehicle body mesh and rotate with the gear indirectly fixed on the jack, achieving the purpose of in-situ steering; 2. Reduce the pressure between the wheels and the ground. The wear on the ground and the wheel set itself during steering is much lower than that of differential rotation of the wheel set. At the same time, it reduces the consumption of human resources and improves work efficiency; 3. The solution proposed in this example has low cost and low environmental requirements, and can be widely used in working environments such as factories and warehouses.

[0016] The additional aspects and advantages of the present invention will be partially given in the following description, partially will become obvious from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an overall schematic diagram of the omnidirectional mobile load platform according to an embodiment of the present invention; Figure 2 is a bottom view schematic diagram of the omnidirectional mobile load platform according to an embodiment of the present invention; Figure 3 is a schematic diagram of the steering drive part according to an embodiment of the present invention; Figure 4 is a side view schematic diagram of the steering drive part according to an embodiment of the present invention; Figure 5 is a connection schematic diagram of the limit function component and the rotating platform according to an embodiment of the present invention; Figure 6 Schematic diagram of the limit function component of the embodiment of the present invention; Figure 7 Vertical sectional view of the limit function component of the embodiment of the present invention; Figure 8 Schematic diagram of the telescopic support component of the embodiment of the present invention; Figure 9 Side view component of the telescopic support of the embodiment of the present invention; Figure 10 Schematic diagram of the first wheel component of the embodiment of the present invention; Figure 11 Side view schematic diagram of the first wheel component of the embodiment of the present invention; Figure 12 is Figure 11 A - A sectional view schematic diagram of the first wheel component shown in; In the drawings: 1, rotating platform; 2, limit function component; 3, telescopic support component; 4, second wheel component; 5, fourth wheel component; 6, first wheel component; 7, second chain; 8, transmission shaft; 9, roller chain coupling; 10, drive motor; 11, support chassis; 12, third wheel component; 13, first transmission member; 14, second transmission member; 15, braking member; 16, internal tooth fixing plate; 17, steering drive member; 21, rotating shaft; 22, bearing housing; 23, inner bearing sleeve; 24, outer bearing sleeve; 25, rotary bearing; 26, convex ring; 31, support column; 32, contact plate; 33, telescopic member; 34, telescopic auxiliary member; 61, wheel frame; 62, load - bearing wheel; 63, drive shaft; 64, shaft sleeve; 65, first wheel sprocket; 66, first wheel bearing. Detailed implementation manners

[0018] The following further elaborates on the present invention in detail.

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0020] Such as Figure 1 , Figure 2 , Figure 5As shown in the figure, an omnidirectional mobile load platform includes a rotating platform 1. A limiting function component 2 is fixedly connected through the middle of the rotating platform 1. The convex ring 26 of the bearing housing 22 is fixedly connected to the rotating platform 1 by bolts. The upper end of the rotating shaft 21 is fixedly connected to the internal gear fixing plate 16 by screws. The upper middle part of the internal gear fixing plate 16 is fixedly connected to two support columns 31 of the telescopic support component 3 by screws. The upper ends of the two support columns 31 are fixedly connected to the contact plate 32 by screws. As Figure 8 , Figure 9 shown, the contact plate 32 is horizontally arranged above the internal gear fixing plate 16. A telescopic member 33 (a jack in this embodiment) is fixedly connected to the lower end of the contact plate 32. The lower end of the jack vertically passes through the rotating shaft 21 of the limiting function component 2 and then is connected to the telescopic auxiliary member 34. The lower end of the telescopic auxiliary member 34 is connected to the support chassis 11 through a support rod. The heavy object on the contact plate 32 can be lifted by the jack.

[0021] Combined with Figure 6 , Figure 7 shown, the limiting function component 2 includes a rotating shaft 21. The vertical section of the rotating shaft 21 is a hollow J-shaped. A rotating shaft bearing 21 is sleeved outside the rotating shaft 21. The outside of the rotating shaft bearing 21 is connected to a bearing housing 22. The convex ring 26 on the outside of the bearing housing 22 is fixedly connected to the rotating platform 1 by bolts. A bearing outer sleeve 24 is sleeved between the outside of the rotating shaft bearing 21 and the bearing housing 22. A bearing inner sleeve 23 is sleeved between the inside of the rotating shaft bearing 21 and the rotating shaft 21. The bearing outer sleeve 24 can slide up and down between the bearing housing 22. A limiting retaining ring is also embedded at the lower end inside the bearing housing 22. There is a sliding gap between the upper end of the limiting retaining ring and the bearing outer sleeve 24; Due to the above structure of the limiting function component 2, the rotating shaft 21 and the bearing housing 22 are rotationally connected. The limiting function component 2 has the function of making the rotating platform 1 rotate relative to the internal gear fixing plate 16; Due to the above structure of the limiting function component 2, the bearing outer sleeve 24 can slide up and down between the bearing housing 22, so that the rotating shaft 21 can slide up and down relative to the bearing housing 22. Then the limiting function component 2 has the function of making the rotating platform 1 displace up and down relative to the internal gear fixing plate 16.

[0022] Combined with Figure 3 , Figure 4As shown, one upper end of the internal gear fixing plate 16 is fixedly connected to a vertical steering drive member 17 (a stepper motor in this embodiment. A stepper motor is a motor that converts an electrical pulse signal into a corresponding angular displacement or linear displacement. For each input pulse signal, the rotor rotates by an angle or advances by one step. Its output angular displacement or linear displacement is proportional to the number of input pulses, and the rotational speed is proportional to the pulse frequency) through bolts. The lower end power shaft of the steering drive member 17 passes through the internal gear fixing plate 16 and is key-connected to a first transmission member 13 (a pinion in this embodiment). The upper middle part of the rotating platform 1 is also fixedly connected to a second transmission member 14 (an external gear ring in this embodiment). The pinion meshes with the external gear ring for transmission; The upper end of the external gear ring is anchored with a braking member 15 (friction brake pad) by screws. When the jack is retracted, the lower end of the internal gear fixing plate 16 presses against the friction brake pad, which serves to prevent the internal gear fixing plate 16 from rotating.

[0023] As Figure 2 , Figure 10 , Figure 11 , Figure 12 As shown, a traveling mechanism is installed on the circumferential side of the lower end of the rotating platform 1. The traveling mechanism includes a driving motor 10 and a first wheel assembly 6, a second wheel assembly 4, a third wheel assembly 12, and a fourth wheel assembly 5 installed at the four corners of the lower end of the rotating platform 1; The first wheel assembly 6 includes a wheel frame 61. The upper end of the wheel frame 61 is fixedly connected to the lower end of the rotating platform 1 through bolts. The wheel frame 61 is rotatably connected to the drive shaft 63 of the first wheel assembly 6. The drive shaft 63 is key-connected to a shaft sleeve 64, and the shaft sleeve 64 is pressed into the load-carrying wheel 62. There is an interference fit between the shaft sleeve 64 and the load-carrying wheel 62. The structures of the second wheel assembly 4, the third wheel assembly 12, and the fourth wheel assembly 5 are the same as that of the first wheel assembly 6.

[0024] The right output shaft end of the driving motor 10 is key-connected to a first coupling (the first coupling, the second coupling, and the third coupling are all roller chain couplings 9 in this embodiment). The other end of the first coupling is key-connected to the drive shaft 63 of the first wheel assembly 6. The other end of the drive shaft 63 of the first wheel assembly 6 is key-connected to a first sprocket 65. The first sprocket 65 is connected to a second sprocket through a first chain. The second sprocket is arranged on the drive shaft 63 of the second wheel assembly 4. The other end of the drive shaft 63 of the second wheel assembly 4 is sequentially connected to the drive shaft 63 of the third wheel assembly 12 through a second coupling, a transmission shaft 8, and a third coupling. The other end of the third drive shaft 63 is sequentially connected to the drive shaft 63 of the fourth wheel assembly 5 through a third sprocket, a second chain 7, and a fourth sprocket. When the omnidirectional mobile load platform of this embodiment travels in a straight line: The driving motor 10 rotates, and the output shaft at its right end drives the driving shaft 63 and the load wheel 62 of the first wheel assembly 6 connected to it through a roller chain coupling 9 to rotate. At the same time, it drives the first sprocket 65 to rotate. The first sprocket 65 drives the first chain, and the first chain drives the second sprocket above, thereby driving the driving shaft 63 and the heavy-duty wheel of the second wheel assembly 4 to rotate. Then, it drives the third wheel assembly 12 to rotate to the left through the roller chain coupling 9 and the transmission shaft 8. Similarly, it drives the fourth wheel assembly 5 through the transmission mode of the second chain 7, so as to drive this example to travel in a straight line.

[0025] When the omnidirectional mobile load platform of this embodiment needs to turn or reverse: In Embodiment 1, first control the omnidirectional mobile load platform of this embodiment to stop walking, and then control the jack to work and extend the support rod downward. The lower end of the support rod supports the chassis 11 to touch the ground, providing an upward reaction force to the jack. The jack drives the contact plate 32, the support column 31 and the internal gear fixing plate 16 fixedly connected to it to rise.

[0026] The internal gear fixing plate 16 rises and separates from the friction brake pad. The internal gear fixing plate 16 is fixedly connected to the rotating shaft 21. Thus, the internal gear fixing plate 16 drives the rotating shaft 21 to rise. The annular platform protruding below the rotating shaft 21 jacks up the inner bearing sleeve 23, the rotating shaft bearing 21, and the outer bearing sleeve 24. The outer bearing sleeve 24 slides upward a small displacement in the bearing housing 22. At this time, the weight of the heavy object on the contact plate 32 is transferred to the telescopic support assembly 3, and the traveling mechanism no longer bears the weight of the heavy object (only bears its own weight and the weight of the rotating platform 1).

[0027] The second transmission member 14 (outer gear ring) meshes with the first transmission member 13 (pinion). The pinion is connected to the output end of the stepping motor fixedly connected to the internal gear fixing plate 16. Control the stepping motor to work, drive the pinion and the outer gear ring to rotate. The outer gear ring drives the rotating platform 1 to rotate, and the traveling mechanism fixed on the rotating platform 1 rotates with the rotation of the rotating platform 111, so as to achieve the function of reversing (assuming that the rotating platform 1 itself is a coordinate system and the ground is another reference coordinate system. During the turning process, the state of the jack head in the ground coordinate system is rising, the coordinates of each wheel set in the rotating platform 1 coordinate system remain unchanged, and the action of the rotating platform 1 coordinate system in the reference coordinate system is to rise first, then reverse, and finally fall).

[0028] After the reversal is completed, the jack retracts the support rod. After the heavy-duty wheel touches the ground, it supports the chassis 11 to lift off the ground. The internal gear fixing plate 16 descends and contacts the friction brake pad to prevent the internal gear fixing plate 16 and the components on it from turning uncontrollably by themselves.

[0029] Embodiment 2 is different from Embodiment 1 in that after the jack is lifted to make the bearing outer sleeve 24 slide upward a small displacement within the bearing housing 22, the jack is controlled to continue to lift, and the rotating platform 1 and the traveling mechanism fixedly connected to its lower end are both lifted completely off the ground, and then steering is performed at this time.

[0030] The second transmission member 14 (external gear ring) meshes with the first transmission member 13 (pinion gear) for transmission. The pinion gear is connected to the output end of the stepping motor fixedly connected to the internal gear fixing plate 16. The stepping motor is controlled to work, driving the pinion gear and the external gear ring to rotate. The external gear ring drives the rotating platform 1 to rotate, and the traveling mechanism fixed on the rotating platform 1 rotates along with the rotation of the rotating platform 111, so as to achieve the function of reversing (assuming that the rotating platform 1 itself is a coordinate system and the ground is another reference coordinate system. During the steering process, the state of the jack head in the ground coordinate system is rising, the coordinates of each wheel set in the coordinate system of the rotating platform 1 remain unchanged, and the action of the coordinate system of the rotating platform 1 in the reference coordinate system is to rise first, then reverse, and finally descend).

[0031] After the steering is completed, the jack retracts the strut. After the heavy-duty wheels contact the ground, the support chassis 11 is lifted upward off the ground, and the internal gear fixing plate 16 descends to contact the friction brake pad to prevent the internal gear fixing plate 16 and the components thereon from turning uncontrollably by themselves.

[0032] Summary: The omnidirectional mobile load platform in the above embodiments can lift the vehicle by the jack fixed on the load platform to transfer the load or suspend the wheels. At the same time, the motor and gear fixed on the vehicle body mesh and rotate with the gear indirectly fixed on the jack, so as to achieve the purpose of in-situ steering.

[0033] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0034] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. An omnidirectional mobile load-carrying platform, characterized in that: The invention comprises a rotating platform (1), wherein a limit function component (2) is fixedly connected and penetrated through the middle of the rotating platform (1), the upper end of the limit function component (2) is fixedly connected to an inner tooth fixing plate (16), the middle part of the upper end of the inner tooth fixing plate (16) is fixedly connected to a telescopic support component (3), the lower end of the telescopic support component vertically passes through the limit function component (2) and is connected to a supporting chassis (11), the upper end of one side of the inner tooth fixing plate (16) is fixedly connected to a vertical steering drive component (17), the lower end power shaft of the steering drive component (17) passes through the inner tooth fixing plate (16) and is fixedly connected to a first transmission component (13), the upper middle end of the rotating platform (1) is also fixedly connected to a second transmission component (14), and the first transmission component (13) is in transmission connection with the second transmission component (14); A walking mechanism is installed on the circumferential side of the lower end of the rotating platform (1), and the walking mechanism can drive the omnidirectional mobile load-carrying platform to move as a whole; The limiting function component (2) has the function of enabling the rotating platform (1) to rotate relative to the internal gear fixing plate (16); The position limiting function component (2) has the function of causing the rotating platform (1) to move up and down relative to the internal gear fixing plate (16).

2. The omnidirectional mobile load-carrying platform according to claim 1, characterized in that: The position limiting function component (2) comprises a rotating shaft (21), the rotating shaft (21) having a hollow "X" shape in vertical section, a rotating shaft (21) bearing being sleeved on the outer side of the rotating shaft (21), a bearing housing (22) being connected to the outer side of the rotating shaft (21), the bearing housing (22) being fixedly connected to the rotating platform (1), and the upper end of the rotating shaft (21) being fixedly connected to the internal gear fixing plate (16).

3. The omnidirectional mobile load-carrying platform according to claim 2, characterized in that: A bearing outer sleeve (24) is sleeved between the outer side of the rotating shaft (21) bearing and the bearing shell (22), and a bearing inner sleeve (23) is sleeved between the inner side of the rotating shaft (21) bearing and the rotating shaft (21). The bearing outer sleeve (24) and the bearing shell (22) can slide up and down. A limit retaining ring is embedded in the lower end of the bearing shell (22), and a sliding gap is provided between the upper end of the limit retaining ring and the bearing outer sleeve (24).

4. The omnidirectional mobile load-carrying platform according to claim 1, characterized in that: A convex ring (26) is provided on the circumferential side of the lower end of the position limiting function component (2); the convex ring (26) is provided at the lower end of the rotating platform (1); the convex ring (26) is fixedly connected to the rotating platform (1) via a fastener.

5. The omnidirectional mobile load-carrying platform according to claim 1, characterized in that: A brake member (15) is provided between the upper end of the second transmission member (14) and the internal tooth fixing plate (16); when the upper end of the brake member (15) contacts the lower end of the internal tooth fixing plate (16), the relative position between the second transmission member (14) and the internal tooth fixing plate (16) can be kept fixed.

6. The omnidirectional mobile load-carrying platform according to claim 1, characterized in that: The telescopic support assembly (3) comprises a contact plate (32), the contact plate (32) being horizontally arranged at the upper end of the inner tooth fixing plate (16), the lower end of the side of the contact plate (32) being fixedly connected to the inner tooth fixing plate (16) via a plurality of support columns (31), the lower end of the contact plate (32) being fixedly connected to a telescopic member (33), the lower end of the telescopic member (33) vertically passing through the limit function assembly (2) and then connected to a support chassis (11).

7. The omnidirectional mobile load-carrying platform according to claim 6, characterized in that: The lower end of the telescopic member (33) is connected to a telescopic auxiliary member (34), and the lower end of the telescopic auxiliary member (34) is connected to the supporting chassis (11) via a support rod.

8. The omnidirectional mobile load-carrying platform according to claim 1, characterized in that: The walking mechanism comprises a driving motor (10) and a first wheel assembly (6), a second wheel assembly (4), a third wheel assembly (12) and a fourth wheel assembly (5) mounted on the circumference of the lower end of the rotating platform (1); One end of the output shaft of the driving motor (10) is connected to a first coupling via a key, the other end of the first coupling is connected to a driving shaft (63) of a first wheel assembly (6) via a key, the other end of the driving shaft (63) of the first wheel assembly (6) is connected to a first wheel sprocket (65) via a key, the first wheel sprocket (65) is connected to a second wheel sprocket via a first chain transmission, the second wheel sprocket is arranged on the driving shaft (63) of the second wheel assembly (4), the other end of the driving shaft (63) of the second wheel assembly (4) is connected to a driving shaft (63) of a third wheel assembly (12) via a second coupling, a transmission shaft (8), and a third coupling in sequence, and the other end of the third wheel driving shaft (63) is connected to a driving shaft (63) of a fourth wheel assembly (5) via a third wheel sprocket, a second chain (7), and a fourth wheel sprocket in sequence.

9. The omnidirectional mobile load-carrying platform according to claim 8, characterized in that: The first wheel assembly (6) comprises a wheel frame (61), the upper end of the wheel frame (61) is fixedly connected to the lower end of the rotating platform (1), and the wheel frame (61) is rotatably connected to a driving shaft (63) of the first wheel assembly (6). The structures of the second wheel assembly (4), the third wheel assembly (12) and the fourth wheel assembly (5) are the same as those of the first wheel assembly (6).

10. The omnidirectional mobile load-carrying platform according to claim 8, characterized in that: The first wheel assembly (6) comprises a load-bearing wheel (62), a shaft sleeve (64) is pressed into the interior of the load-bearing wheel (62), the shaft sleeve (64) and the load-bearing wheel (62) are connected by interference fit, the interior of the shaft sleeve (64) is connected to the driving shaft (63) of the first wheel assembly (6) via a key, and the structures of the second wheel assembly (4), the third wheel assembly (12) and the fourth wheel assembly (5) are the same as those of the first wheel assembly (6).

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