Tire grabbing and overturning device

Abstract

The utility model relates to the technical field of tire experiment equipment, in particular to a tire grabbing and overturning device. The tire grabbing and overturning device comprises a supporting frame, a lifting assembly, an overturning assembly, a grabbing assembly and a walking assembly. The lifting assembly is connected to the supporting frame, the lifting assembly is in transmission connection with the overturning assembly so as to drive the overturning assembly to move up and down in the height direction of the supporting frame, the overturning assembly is in transmission connection with the grabbing assembly so as to drive the grabbing assembly to rotate, and the grabbing assembly is used for grabbing tires. The walking assembly is arranged at the bottom of the supporting frame. The tire grabbing and overturning device integrates the functions of grabbing, carrying, mounting and the like, and the problems that in the tire testing process, the number of tools is large, mounting is difficult, and precision is poor are well solved. Manual assembly and disassembly are avoided, falling in the assembly and disassembly process is avoided, and the safety is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire experimental equipment technical field, especially tire grabbing and overturning device. BACKGROUND

[0002] Before carrying out the high-speed endurance test of the tire, the tire is installed on the test rim through the tire dismounting machine, and then the tire and the rim combination is installed on the high-speed endurance test machine of the tire, after the test, the tire and the rim combination need to be dismounted from the high-speed endurance test machine of the tire, and then the tire and the rim combination are dismounted from the rim through the tire dismounting machine.

[0003] During the test, the tire and the rim combination weighing more than 50 kg are installed and dismounted from the ground to the main shaft of the equipment by artificial means, the main shaft is more than 1 meter high from the ground, at least 3 people are needed to complete the installation and dismounting, and the danger is great. During the installation process, the center hole of the tire and the rim combination and the main shaft have a tolerance fit, it is difficult to align once in the artificial alignment process, and it needs to be tried many times to complete the installation, because the tire and the rim combination are very heavy, they are easy to fall during the installation and dismounting process, and it is easy to cause injury. SUMMARY

[0004] The utility model aims at providing a kind of tire grabbing and overturning device, to solve the technical problems that in prior art, during the test, the tire and the rim combination weighing more than 50 kg are installed and dismounted from the ground to the main shaft of the equipment by artificial means, the main shaft is more than 1 meter high from the ground, at least 3 people are needed to complete the installation and dismounting, and the danger is great. During the installation process, the center hole of the tire and the rim combination and the main shaft have a tolerance fit, it is difficult to align once in the artificial alignment process, and it needs to be tried many times to complete the installation, because the tire and the rim combination are very heavy, they are easy to fall during the installation and dismounting process, and it is easy to cause injury.

[0005] The utility model provides a kind of tire grabbing and overturning device, it include: support frame, lifting assembly, overturning assembly, grabbing component and walking component, the lifting assembly is connected on the support frame, the lifting assembly is transmission connection with the overturning assembly to drive the overturning assembly to move up and down along the height direction of the support frame, the overturning assembly is transmission connection with the grabbing component to drive the grabbing component to rotate, the grabbing component is used to grab tire, the walking component is set in the bottom of the support frame.

[0006] Further, the support frame includes vertical frame and bottom bracket, the bottom bracket is connected at the bottom of the vertical frame, the lifting assembly is set on the vertical frame, the grabbing component and the bottom bracket are located at the same side of the vertical frame, and the grabbing component is located above the bottom bracket.

[0007] Further, the tire grabbing and overturning device further comprises a lifting frame and a grabbing frame; the lifting assembly is connected with the lifting frame, the grabbing frame is connected with the lifting frame, and the overturning assembly is connected with the grabbing frame.

[0008] Further, the lifting assembly comprises a hydraulic cylinder, a cross rod and a chain; the hydraulic cylinder is vertically arranged, the cross rod is connected with the top of the piston of the hydraulic cylinder, both ends of the cross rod are connected with the chain, and the chain is connected with the lifting frame.

[0009] Further, the overturning assembly comprises an overturning driving element and a speed reducer; the overturning driving element is in transmission connection with the speed reducer, the speed reducer is in transmission connection with the grabbing assembly, and the speed reducer is fixed on the grabbing frame.

[0010] Further, the overturning assembly further comprises a support, and the driving element is a manual crank; the support is connected with the lifting frame, a limiting hole is arranged on the support, and one end of the manual crank is connected with the speed reducer through the limiting hole.

[0011] Further, the tire grabbing and overturning device further comprises a transverse connecting shaft and a vertical connecting frame; the transverse connecting shaft is in rotary connection with the grabbing frame, the overturning assembly is in transmission connection with the transverse connecting shaft, the vertical connecting frame is fixedly connected with the transverse connecting shaft, and the grabbing assembly is connected with the vertical connecting frame.

[0012] Further, the grabbing assembly comprises a first embracing frame, a second embracing frame, a hand wheel and a lead screw; the first embracing frame and the second embracing frame are both arranged in an arc shape; the hand wheel is fixedly connected with the lead screw, the lead screw is in rotary connection with the grabbing frame, the first embracing frame and the second embracing frame are both sleeved on the lead screw through threaded cooperation, and the first embracing ring and the second embracing ring are arranged on the vertical connecting frame in sliding mode along the axial direction of the transverse connecting shaft.

[0013] Further, the walking assembly comprises a first wheel and a second wheel; in the width direction of the support frame, the two sides of the vertical frame are both provided with the first wheel, the two sides of the base frame are both provided with the second wheel, and the diameter of the first wheel is greater than that of the second wheel.

[0014] Further, the tire grabbing and overturning device further comprises a driving rod, the driving rod is connected with the side of the vertical frame away from the base frame, and the side of the vertical frame away from the base frame is further provided with a handle.

[0015] The tire grabbing and overturning device provided by the utility model can at least realize the following beneficial effects:

[0016] The tire gripping and flipping device provided by this utility model integrates gripping, handling, and installation functions, effectively solving problems such as numerous tools, difficult installation, and poor precision in tire testing. It avoids manual installation and disassembly, prevents tires from falling during installation and disassembly, and ensures high safety.

[0017] It should be understood that both the foregoing general description and the following detailed description are for illustrative purposes and do not necessarily limit the scope of this disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of this disclosure. Furthermore, the specification and drawings serve to explain the principles of this disclosure. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a first-view structural schematic diagram of the tire gripping and flipping device according to an embodiment of the present utility model;

[0020] Figure 2 for Figure 1 The diagram shows a second-view structural schematic of the tire gripping and flipping device.

[0021] Figure 3 for Figure 1 A partial structural schematic diagram of the tire gripping and flipping device is shown.

[0022] Figure 4 for Figure 1 Another partial structural diagram of the tire gripping and flipping device shown.

[0023] icon:

[0024] 1-Support frame; 11-Vertical frame; 12-Base frame;

[0025] 2-Lifting assembly; 21-Hydraulic cylinder; 22-Crossbar; 23-Chain;

[0026] 3-Tilting assembly; 31-Reducer; 32-Manual crank;

[0027] 4-Grip assembly; 41-First gripper frame; 42-Second gripper frame; 43-Handwheel; 44-Lead screw;

[0028] 5-Walking assembly; 51-First wheel; 52-Second wheel;

[0029] 6-Lifting frame;

[0030] 7 - grab frame

[0031] 8 - support

[0032] 9 - transverse connecting shaft

[0033] 10 - drive rod

[0034] 20 - handle DETAILED DESCRIPTION

[0035] The technical solutions of the present application will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are some embodiments of the present application, but not all embodiments of the present application.

[0036] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0037] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0038] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0039] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0040] Furthermore, the terms "horizontal," "vertical," "suspended," and the like, do not mean that the components must be absolutely horizontal or suspended, but can be slightly inclined. As "horizontal" merely means that it is more horizontal than "vertical," it does not mean that the structure must be perfectly horizontal, but can be slightly inclined.

[0041] As Figures 1 to 4 The utility model provides a kind of tire grabbing overturning device, comprising: support frame 1, lifting assembly 2, overturning assembly 3, grabbing assembly 4 and walking assembly 5;Lifting assembly 2 is connected on support frame 1, lifting assembly 2 is transmission connection with overturning assembly 3 to drive overturning assembly 3 to move up and down along the height direction of support frame 1, overturning assembly 3 is transmission connection with grabbing assembly 4 to drive grabbing assembly 4 to rotate, grabbing assembly 4 is used to grab tire, walking assembly 5 is set in the bottom of support frame 1.

[0042] In the embodiment, the tire grabbing overturning device can move to the position near the tire by the walking assembly 5, the lifting assembly 2 can drive the overturning assembly 3 to move up and down, so that the overturning assembly 3 drives the grabbing assembly 4 to move up and down, and then the grabbing assembly 4 can grab the tire. After the grabbing assembly 4 grabs the tire, the overturning assembly 3 works to drive the grabbing assembly 4 to overturn, thereby driving the tire to overturn vertically to avoid collision with external devices or articles during movement of the tire grabbing overturning device (for example, the tire is overturned from horizontal to vertical, that is, the overturning assembly 3 overturns the grabbing assembly 4 by 90 degrees, of course, other angles of overturning can also be realized, and of course, the overturning process can be selectively operated as needed); the walking assembly 5 works, the tire grabbing overturning device moves to the designated position, the overturning assembly 3 can drive the grabbing assembly 4 to reverse, and the grabbing assembly 4 places the tire at the designated position (in this process, the height of the tire can be adjusted by the lifting assembly 2 to accurately place the tire at the designated position).

[0043] Specifically, the tire grabbing overturning device provided in the embodiment can grab the tire by the grabbing assembly 4, overturn the tire by the overturning assembly 3, drive the entire device to walk to the destination by the walking assembly 5, lift the tire to the appropriate position by the lifting assembly 2, and install it on the dismounting machine. After dismounting, the device can also grab and overturn the tire, and then lower the tire to the low position.

[0044] The tire grabbing overturning device provided in the embodiment integrates the functions of grabbing, carrying and installing, and better solves the problems of multiple tooling fixtures, difficult installation, poor precision and the like in the tire test process. Manual installation and dismounting are avoided, and the device is safe and reliable.

[0045] As Figures 1 to 4As shown in the above embodiment, further based on the above embodiment, the support frame 1 further comprises a vertical frame 11 and a bottom frame 12, the bottom frame 12 is connected to the bottom of the vertical frame 11; the lifting assembly 2 is arranged on the vertical frame 11, the grabbing assembly 4 and the bottom frame 12 are located on the same side of the vertical frame 11, and the grabbing assembly 4 is located above the bottom frame 12. In this embodiment, the vertical frame 11 and the bottom frame 12 are arranged in an L shape, which can ensure the stability of the support frame 1.

[0046] As shown in the above embodiment, further based on the above embodiment, the tire grabbing and overturning device further comprises a lifting frame 6 and a grabbing frame 7; the lifting assembly 2 is connected with the lifting frame 6, the grabbing frame 7 is connected with the lifting frame 6, and the overturning assembly 3 is connected with the grabbing frame 7. Figure 1 Figure 2 As shown in the above embodiment, further based on the above embodiment, the tire grabbing and overturning device further comprises a lifting frame 6 and a grabbing frame 7; the lifting assembly 2 is connected with the lifting frame 6, the grabbing frame 7 is connected with the lifting frame 6, and the overturning assembly 3 is connected with the grabbing frame 7.

[0047] In this embodiment, the lifting frame 6 and the grabbing frame 7 can be arranged in an L shape, and the lifting assembly 2 and the overturning assembly 3 can be conveniently connected by arranging the lifting frame 6 and the grabbing frame 7.

[0048] Further based on the above embodiment, the lifting assembly 2 comprises a lifting driving member and an intermediate fixing member. The lifting driving member can be an electric telescopic rod, a pneumatic cylinder, a gear and rack mechanism, or a lead screw mechanism, etc. The intermediate fixing member can be a fixed plate, a fixed block, or a fixed frame, etc.

[0049] As an optional solution, as shown in the above embodiment, the lifting assembly 2 comprises a hydraulic cylinder 21, a cross rod 22, and a chain 23; the hydraulic cylinder 21 is arranged vertically, the cross rod 22 is connected with the top of the piston of the hydraulic cylinder 21, both ends of the cross rod 22 are connected with the chain 23, and the chain 23 is connected with the lifting frame 6, that is, the hydraulic cylinder 21 is connected with the vertical frame 11 through the two chains 23, so that the connection is stable, thereby making the lifting process of the hydraulic rod and the vertical frame 11 stable. Figures 1 to 4 In this embodiment, the lifting driving member is a hydraulic cylinder 21, and the intermediate fixing member comprises a cross rod 22 and a chain 23. The piston rod of the hydraulic cylinder 21 is telescopic, thereby driving the cross rod 22 to move up and down, further driving the chain 23 to move up and down, further driving the lifting frame 6 to move up and down, further driving the grabbing frame 7 to move up and down, further driving the overturning assembly 3 to move up and down, further driving the grabbing assembly 4 to move up and down, and further driving the tire to move up and down.

[0050] In this embodiment, the lifting driving member is a hydraulic cylinder 21, and the intermediate fixing member comprises a cross rod 22 and a chain 23. The piston rod of the hydraulic cylinder 21 is telescopic, thereby driving the cross rod 22 to move up and down, further driving the chain 23 to move up and down, further driving the lifting frame 6 to move up and down, further driving the grabbing frame 7 to move up and down, further driving the overturning assembly 3 to move up and down, further driving the grabbing assembly 4 to move up and down, and further driving the tire to move up and down.

[0051] In this embodiment, the lifting driving member is a hydraulic cylinder 21, and the intermediate fixing member comprises a cross rod 22 and a chain 23. The piston rod of the hydraulic cylinder 21 is telescopic, thereby driving the cross rod 22 to move up and down, further driving the chain 23 to move up and down, further driving the lifting frame 6 to move up and down, further driving the grabbing frame 7 to move up and down, further driving the overturning assembly 3 to move up and down, further driving the grabbing assembly 4 to move up and down, and further driving the tire to move up and down.

[0052] ​​

[0053] In this embodiment, the overturning driving member transmits power to the speed reducer 31, and the speed reducer 31 drives the grabbing assembly 4 to move, so that the overturning speed of the grabbing assembly 4 is more easily controlled.

[0054] The overturning driving member can be an electric motor, a rotary air cylinder or a rotary hydraulic cylinder 21, etc.

[0055] As an alternative, as shown in FIG. 2, the overturning assembly 3 further comprises a support 8, and the driving member is a manual crank 32; the support 8 is connected with the lifting frame 6, and the support 8 is provided with a limiting hole, and one end of the manual crank 32 passes through the limiting hole and is connected with the speed reducer 31. Figures 1 to 4

[0056] In this embodiment, the vertical frame 11 comprises a first side and a second side arranged oppositely, the base frame 12 is connected with the first side of the vertical frame 11, and the lifting frame 6 and the grabbing frame 7 are located on the first side of the vertical frame 11. The support 8 can be located on the first side of the vertical frame 11, the hand-cranking end of the manual crank 32 can be located on the second side of the vertical frame 11, and the other end of the manual crank 32 passes through the limiting hole and is drivingly connected with the speed reducer 31. A user can rotate the manual crank 32 to drive the speed reducer 31 to move, so as to drive the grabbing assembly 4 to move. The manual crank 32 rotates in the limiting hole, and this kind of overturning driving member has low cost. Moreover, the manual crank 32 is limited by the limiting hole, so that the movement and storage of the manual crank 32 are facilitated.

[0057] As shown in FIG. 2, the overturning assembly 3 further comprises a support 8, and the driving member is a manual crank 32; the support 8 is connected with the lifting frame 6, and the support 8 is provided with a limiting hole, and one end of the manual crank 32 passes through the limiting hole and is connected with the speed reducer 31. Figure 1 Figure 2 As shown in FIG. 2, the overturning assembly 3 further comprises a support 8, and the driving member is a manual crank 32; the support 8 is connected with the lifting frame 6, and the support 8 is provided with a limiting hole, and one end of the manual crank 32 passes through the limiting hole and is connected with the speed reducer 31.

[0058] In this embodiment, the overturning assembly 3 can be located on one side in the width direction of the base frame 12, and a supporting block is arranged on the other side in the width direction of the base frame 12. One end of the transverse connecting shaft 9 (the transverse direction refers to a direction consistent with the width direction of the base frame 12) is connected with the overturning assembly 3 (specifically, the speed reducer 31), and the other end of the transverse connecting shaft 9 is rotatably connected with the supporting block. The speed reducer 31 drives the transverse connecting shaft 9 to rotate, the transverse connecting shaft 9 drives the vertical connecting frame to rotate around the axis of the transverse connecting shaft 9, and the grabbing assembly 4 is fixedly connected with the vertical connecting shaft. Therefore, the vertical connecting frame drives the grabbing assembly 4 to overturn, and then the grabbing assembly 4 drives the tire to overturn.

[0059] As shown in FIG. 2, the overturning assembly 3 further comprises a support 8, and the driving member is a manual crank 32; the support 8 is connected with the lifting frame 6, and the support 8 is provided with a limiting hole, and one end of the manual crank 32 passes through the limiting hole and is connected with the speed reducer 31. Figure 1 Figure 2 ​​​As shown, on the basis of the above embodiment, further, the grabbing assembly 4 comprises a first embracing ring frame 41, a second embracing ring frame 42, a hand wheel 43 and a lead screw 44; the first embracing ring frame 41 and the second embracing ring frame 42 are both arranged in an arc shape (it can be understood that the first embracing ring frame 41 is arranged in an arc shape convex to the direction away from the second embracing ring frame 42, and the second embracing ring frame 42 is arranged in an arc shape convex to the direction away from the first embracing ring frame 41, and the first embracing ring frame 41 and the second embracing ring frame 42 are arranged face to face); the hand wheel 43 is fixedly connected with the lead screw 44, and the lead screw 44 is rotationally connected with the grabbing frame 7 (a support seat can be arranged on the grabbing frame 7, and the lead screw 44 is rotationally connected with the support seat); the first embracing ring frame 41 and the second embracing ring frame 42 are both sleeved on the lead screw 44 through threaded cooperation, and the first embracing ring and the second embracing ring are arranged on the vertical connecting frame in sliding mode along the axial direction of the transverse connecting shaft 9.

[0060] In the embodiment, one end of the first embracing ring frame 41 is formed with a first connecting portion, and a first threaded hole is arranged on the first connecting portion; the same end of the second embracing ring frame 42 is formed with a second connecting portion, and a second threaded hole is arranged on the second connecting portion; the rotation direction of the thread in the first threaded hole is opposite to the rotation direction of the thread in the second threaded hole; in this way, when the lead screw 44 is driven to rotate by the hand wheel 43, the first embracing ring frame 41 and the second embracing ring frame 42 move in opposite directions along the lead screw 44, so that the first embracing ring frame 41 and the second embracing ring frame 42 can move away from each other or move close to each other; when the first embracing ring frame 41 and the second embracing ring frame 42 move close to each other, the tire can be clamped; when the first embracing ring frame 41 and the second embracing ring frame 42 move away from each other, the tire can be released.

[0061] Specifically, as shown in the drawings, Figures 1 to 4 The walking assembly 5 comprises a first wheel 51 and a second wheel 52; the two sides of the vertical frame 11 are both provided with the first wheel 51, and the two sides of the base frame 12 are both provided with the second wheel 52; the diameter of the first wheel 51 is greater than the diameter of the second wheel 52.

[0062] As shown in the drawings, Figures 1 to 4 On the basis of the above embodiment, further, the tire grabbing and overturning device further comprises a driving rod 10, and the driving rod 10 is connected with the side of the vertical frame 11 away from the base frame 12 (i.e. the second side of the vertical frame 11); the side of the vertical frame 11 away from the base frame 12 is also provided with a handle 20. The user can push or pull the tire grabbing and overturning device to move by the driving rod 10 and the handle 20.

[0063] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application. In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not described in detail in order not to obscure the understanding of the present specification. In addition, those skilled in the art can understand that although some embodiments described herein include some features included in other embodiments but not others, the combination of features of different embodiments means to be within the scope of the present application and forms different embodiments.

Claims

1. A tire gripping and inverting device characterized by, The tire grabbing and overturning device comprises a support frame, a lifting assembly, a overturning assembly, a grabbing assembly and a walking assembly. The lifting assembly is connected to the support frame, and the lifting assembly is in transmission connection with the overturning assembly to drive the overturning assembly to move up and down along the height direction of the support frame, and the overturning assembly is in transmission connection with the grabbing assembly to drive the grabbing assembly to rotate, the grabbing assembly is used for grabbing the tire, and the walking assembly is arranged at the bottom of the support frame.

2. The tire grabbing and overturning device according to claim 1, wherein the support frame comprises a vertical frame and a bottom frame, and the bottom frame is connected to the bottom of the vertical frame; the lifting assembly is arranged on the vertical frame, and the grabbing assembly and the bottom frame are located on the same side of the vertical frame, and the grabbing assembly is located above the bottom frame.

3. The tire grabbing and overturning device according to claim 2, wherein the tire grabbing and overturning device further comprises a lifting frame and a grabbing frame, the lifting assembly is connected to the lifting frame, the grabbing frame is connected to the lifting frame, and the overturning assembly is connected to the grabbing frame.

4. The tire grabbing and overturning device according to claim 3, wherein the lifting assembly comprises a hydraulic cylinder, a cross rod and a chain, the hydraulic cylinder is vertically arranged, the cross rod is connected to the top of the piston of the hydraulic cylinder, both ends of the cross rod are connected with the chain, and the chain is connected to the lifting frame.

5. The tire grabbing and overturning device according to claim 3, wherein the overturning assembly comprises an overturning driving member and a speed reducer, the overturning driving member is in transmission connection with the speed reducer, the speed reducer is in transmission connection with the grabbing assembly, and the speed reducer is fixed on the grabbing frame.

6. The tire grabbing and overturning device according to claim 5, wherein the overturning assembly further comprises a support, the driving member is a manual crank, the support is connected to the lifting frame, a limiting hole is arranged on the support, one end of the manual crank is connected to the speed reducer through the limiting hole.

7. The tire grabbing and overturning device according to claim 3, wherein the tire grabbing and overturning device further comprises a horizontal connecting shaft and a vertical connecting frame, the horizontal connecting shaft is in rotation connection with the grabbing frame, the overturning assembly is in transmission connection with the horizontal connecting shaft, the vertical connecting frame is fixedly connected with the horizontal connecting shaft, and the grabbing assembly is connected to the vertical connecting frame.

8. The tire grabbing and overturning device according to claim 7, wherein the grabbing assembly comprises a first embracing frame, a second embracing frame, a hand wheel and a lead screw, the first embracing frame and the second embracing frame are arranged in an arc shape, the hand wheel is fixedly connected with the lead screw, the lead screw is in rotation connection with the grabbing frame, the first embracing frame and the second embracing frame are sleeved on the lead screw through thread cooperation, and the first embracing frame and the second embracing frame are arranged on the vertical connecting frame in sliding mode along the axial direction of the horizontal connecting shaft.

9. The tire grabbing and overturning device according to claim 2, wherein the walking assembly comprises a first wheel and a second wheel. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ In the width direction of the support frame, the vertical frame is provided with the first wheels on both sides, and the bottom frame is provided with the second wheels on both sides, the diameter of the first wheels is greater than that of the second wheels.

10. The tire gripping and inverting device of claim 2, wherein, The tire gripping and inverting device further comprises a driving rod connected to the side of the vertical frame away from the bottom frame. The side of the vertical frame away from the bottom frame is further provided with a handle.

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