CN113697663A

CN113697663A - Tire lifting clamp and tire lifting device

Info

Publication number: CN113697663A
Application number: CN202111019080.1A
Authority: CN
Inventors: 刘明东; 张春生; 刘�东; 刘学强; 杨磊
Original assignee: BAIC Group ORV Co ltd
Current assignee: BAIC Group ORV Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2021-11-26
Anticipated expiration: 2041-09-01
Also published as: CN113697663B

Abstract

The invention provides a tire hoisting clamp and a tire hoisting device. Through the cylinder drive the spliced pole, the spliced pole drives head rod and second connecting rod, realizes the action that first lifting hook and second lifting hook loosen and step up. The tire hoisting clamp provided by the invention has two mounting parts, so that two tires can be hoisted simultaneously, and the use method of the clamp is simple.

Description

Tire lifting clamp and tire lifting device

Technical Field

The invention relates to the technical field of tire transferring and hoisting, in particular to a tire hoisting clamp and a tire hoisting device.

Background

With the vigorous development of the automobile industry, the output and types of automobile tires are more and more, the automobile tires are generally heavier, and the manual carrying efficiency is low. Therefore, the tire lifting clamp is necessary to be designed to effectively clamp and transport different types of automobile tires.

Disclosure of Invention

In view of the above, the invention provides a tire lifting clamp and a tire lifting device, which can be used for simply clamping a tire and conveniently and easily transferring the tire through the tire lifting device.

In order to solve the technical problems, the invention adopts the following technical scheme:

in a first aspect, the present invention provides a tire lifting fixture, comprising:

the device comprises a cylinder, a first mounting part, a second mounting part and a connecting column; the cylinder, the first mounting part and the second mounting part are sequentially connected from top to bottom;

wherein the first mounting portion includes: the device comprises a first mounting seat, a first pin column, an adapter, a first connecting rod and a first lifting hook; the cylinder is arranged on the upper side of the first mounting seat, and the upper end of the first pin is arranged on the lower side of the first mounting seat; the upper end of the adapter is connected with the lower end of a guide rod of the cylinder, the lower end of the adapter is connected with the upper end of the connecting column, and the cylinder can drive the adapter to move so as to drive the connecting column to move up and down; the first connecting rod and the first lifting hook are multiple, the end part of the upper end of the first lifting hook is rotatably connected with the first mounting seat, one end of the first connecting rod is movably connected to the connecting column, and the other end of the first connecting rod is rotatably connected to the upper end of the first lifting hook;

the second mounting portion includes: the second mounting seat, the second pin column, the second connecting rod and the second lifting hook; the upper side of the second mounting seat is connected with the lower end of the first pin column, the lower side of the second mounting seat is connected with the upper end of the second pin column, a first through hole penetrating in the vertical direction is formed in the first pin column, a second through hole penetrating in the vertical direction is formed in the second pin column, the upper end of the connecting column is arranged in the first through hole in a penetrating mode, and the lower end of the connecting column is arranged in the second through hole in a penetrating mode; the number of the second connecting rods and the number of the second lifting hooks are multiple, the end part of the upper end of each second lifting hook is rotatably connected with the second mounting seat, one end of each second connecting rod is movably connected to the connecting column, and the other end of each second connecting rod is rotatably connected to the upper end of each second lifting hook;

the first lifting hooks are arranged along the periphery of the connecting column at intervals, and the second lifting hooks are arranged along the periphery of the connecting column at intervals;

the connecting column can drive the first connecting rod and the second connecting rod to move when moving up and down, the first connecting rod can drive the first lifting hook to rotate so that the lower end of the first lifting hook moves towards the direction close to or far away from the connecting column, and the second connecting rod can drive the second lifting hook to rotate so that the lower end of the second lifting hook moves towards the direction close to or far away from the connecting column.

Furthermore, the diameter of the first pin is larger than that of the second pin, a plurality of first accommodating grooves are formed in the first pin and are distributed at intervals along the circumferential direction of the first pin, each first hook is arranged in one corresponding first accommodating groove, and the lower end of each first hook can extend out of the first accommodating groove;

be equipped with a plurality of edges on the second round pin the second holding tank of circumference interval distribution of second round pin, every the second lifting hook is established at corresponding one in the second holding tank, the lower extreme of second lifting hook can stretch out the second holding tank.

Further, the tire lifting clamp further comprises:

the first connecting block and the second connecting block;

one end of the first connecting rod is movably connected to the connecting column through the first connecting block, and one end of the second connecting rod is movably connected to the connecting column through the second connecting block.

Further, the tire lifting clamp further comprises:

a first stop block and a second stop block;

the first stop block is connected with the first mounting seat and is positioned above the first connecting rod; the second stop block is connected with the connecting column, and at least part of the first stop block is positioned above the second stop block.

Further, the tire lifting clamp further comprises:

the first pin shaft is arranged on the first mounting seat, and the second pin shaft is arranged on the second mounting seat;

the end part of the upper end of the first lifting hook is pivotally connected with the first pin shaft, and the first lifting hook can rotate around the first pin shaft; the end part of the upper end of the second lifting hook is pivotally connected with the second pin shaft, and the second lifting hook can rotate around the second pin shaft.

Further, the tire lifting clamp further comprises:

the first supporting plate is arranged on the upper surface of the lower end of the first lifting hook; the second support plate is disposed on an upper surface of a lower end of the second hook.

Further, the first support plate and the second support plate are made of elastic materials.

Further, the first connecting rod with the quantity of first lifting hook is the same, the second connecting rod with the quantity of second lifting hook is the same, every first lifting hook with corresponding one the first connecting rod links to each other, every the second lifting hook with corresponding one the second connecting rod links to each other, just first lifting hook with the quantity of second lifting hook is greater than 2.

In a second aspect, the invention provides a tire hoisting device, which comprises the tire hoisting clamp, a hoisting structure beam, a pulley track, a sliding vehicle and a lifting device, wherein the hoisting structure beam is arranged on the pulley track;

the lifting structure comprises a lifting structure beam, a pulley rail, a sliding vehicle, a lifting device and a tire hoisting clamp, wherein the pulley rail is arranged below the lifting structure beam, the sliding vehicle is movably arranged on the pulley rail, the lifting device is connected below the sliding vehicle, and the tire hoisting clamp is connected below the lifting device to lift the tire hoisting clamp.

Further, the tire hoisting device further comprises:

the control device can be used for controlling the guide rod of the air cylinder to move so as to drive the connecting column to move up and down, the control device can be used for controlling the sliding vehicle to move, and the control device can be used for controlling the lifting device to lift and lower the tire hoisting clamp.

The technical scheme of the invention has the following beneficial effects:

the invention provides a tire hoisting clamp which mainly comprises four parts, namely a cylinder, a first mounting part, a second mounting part and a connecting column, wherein the first mounting part comprises a first mounting seat, a first connecting rod and a first lifting hook, and the second mounting part comprises a second mounting seat, a second connecting rod and a second lifting hook. The cylinder, the first installation part and the second installation part are connected into a whole through the connecting column. One end of the first connecting rod is movably connected to the connecting column, and the other end of the first connecting rod is rotatably connected to the upper end of the first lifting hook; one end of the second connecting rod is movably connected to the connecting column, and the other end of the second connecting rod is rotatably connected to the upper end of the second lifting hook. Through the cylinder drive the spliced pole, the spliced pole drives head rod and second connecting rod, realizes that first lifting hook and second lifting hook loosen and press from both sides tight action. The tire hoisting clamp provided by the invention has two mounting parts, so that two tires can be hoisted simultaneously, and the use method of the clamp is simple.

Drawings

FIG. 1a is a schematic structural view of a tire lifting fixture;

FIG. 1b is another schematic structural view of a tire lifting fixture;

FIG. 1c is a cross-sectional view taken along line A-A of FIG. 1 a;

FIG. 2a is a diagram of a clamping state of the tire lifting fixture;

FIG. 2b is a view of the tire lifting fixture in an unclamped state;

FIG. 3a is a schematic structural diagram of a first mounting seat;

FIG. 3b is a bottom view of the first mount;

FIG. 3c is a side view of the first mount;

FIG. 3d is a cross-sectional view taken along line A-A of FIG. 3 c;

FIG. 3e is a top view of the first mount;

FIG. 4a is a bottom view of the second mount;

FIG. 4b is a side view of the second mount;

FIG. 4c is a cross-sectional view taken along line A-A of FIG. 4 b;

FIG. 4d is a top view of the second mount;

FIG. 5a is a schematic view of a first pin;

FIG. 5b is a top view of the first pin;

FIG. 5c is a cross-sectional view taken along line A-A of FIG. 5 b;

FIG. 5d is a cross-sectional view taken along line B-B of FIG. 5B;

FIG. 6a is a schematic structural view of a quarter of a second pin;

FIG. 6b is a front view of one-quarter of a second pin;

FIG. 6c is a side view of one-quarter of a second pin;

FIG. 6d is a rear view of one quarter of a second pin;

figure 7 is a schematic structural view of an adapter;

FIG. 8a is a schematic structural diagram of a first connecting block;

FIG. 8b is a side view of the first connecting block;

FIG. 8c is a cross-sectional view taken along line A-A of FIG. 8 b;

FIG. 8d is another side view of the first connecting block;

FIG. 9a is a schematic structural view of a second connecting block;

FIG. 9b is a side view of the second connecting block;

FIG. 9c is another side view of the second connecting block;

FIG. 9d is a cross-sectional view taken along line A-A of FIG. 9 c;

FIG. 10a is a front view of a first hook;

FIG. 10b is a cross-sectional view taken along line A-A of FIG. 10 a;

FIG. 10c is a side view of the first hook;

FIG. 10d is a cross-sectional view taken along line B-B of FIG. 10 c;

FIG. 11a is a front view of a second hook;

FIG. 11b is a cross-sectional view taken along line A-A of FIG. 11 a;

FIG. 11c is a side view of the second hook;

FIG. 11d is a cross-sectional view taken along line B-B of FIG. 11 c;

FIG. 12a is a front view of a first connecting rod;

FIG. 12b is a top view of the first connecting rod;

FIG. 13a is a front view of the second connecting rod;

FIG. 13b is a top view of the second connecting rod;

FIG. 14a is a top view of the first stop block;

FIG. 14b is a cross-sectional view taken along line A-A of FIG. 14 a;

FIG. 15a is a top view of a second stop block;

FIG. 15b is a side view of the second stop block;

fig. 16a is a front view of a first support plate;

FIG. 16b is a cross-sectional view taken along line A-A of FIG. 16 a;

FIG. 17a is a front view of the second support plate;

FIG. 17b is a cross-sectional view taken along line A-A of FIG. 17 a;

FIG. 18a is a schematic view of the connecting column;

FIG. 18b is a cross-sectional view taken along line A-A of FIG. 18 a;

fig. 19a is a schematic structural view of a first pin and a second pin;

FIG. 19b is a cross-sectional view taken along line A-A of FIG. 19 a;

FIG. 20 is a schematic structural view of the tire lifting device;

fig. 21 is a schematic structural view of a control device and a tire lifting jig in the tire lifting device.

Fig. 22 is a partially enlarged view of a in fig. 21.

Reference numerals:

a cylinder 1;

the first mounting part 2, the first mounting base 21, the first pin 22, the adapter 23, the first connecting rod 24, the first hook 25, the first connecting block 26, the first blocking block 27, the second blocking block 28, the first pin 29 and the first supporting plate 210;

the second mounting part 3, the second mounting seat 31, the second pin 32, the second connecting rod 33, the second hook 34, the second connecting block 35, the second pin 36 and the second supporting plate 37;

the device comprises a connecting column 4, a hoisting structure beam 5, a pulley track 6, a sliding vehicle 7, a lifting device 8, a control device 9, a loosening button 91, a lifting and descending button 92, a clamping button 93 and a tire hoisting clamp 10.

Detailed Description

For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention in conjunction with the following examples, but it will be understood that the description is intended to illustrate the features and advantages of the invention further, and not to limit the invention.

The invention provides a tire hoisting clamp, the structural schematic diagram of which as shown in fig. 1 a-1 c comprises: the device comprises a cylinder 1, a first mounting part 2, a second mounting part 3 and a connecting column 4; the cylinder 1, the first mounting part 2 and the second mounting part 3 are sequentially connected from top to bottom; wherein, first installation department 2 includes: a first mounting seat 21, a first pin 22, an adapter 23, a first connecting rod 24 and a first hook 25; the cylinder 1 is arranged on the upper side of the first mounting seat 21, and the upper end of the first pin 22 is arranged on the lower side of the first mounting seat 21; the upper end of the adapter 23 is connected with the lower end of a guide rod of the cylinder 1, the lower end of the adapter 23 is connected with the upper end of the connecting column 4, and the cylinder 1 can drive the adapter 23 to move so as to drive the connecting column 4 to move up and down; the number of the first connecting rods 24 and the number of the first lifting hooks 25 are multiple, the end part of the upper end of each first lifting hook 25 is rotatably connected with the first mounting seat 21, one end of each first connecting rod 24 is movably connected to the connecting column 4, and the other end of each first connecting rod 24 is rotatably connected to the upper end of each first lifting hook 25; the second mounting portion 3 includes: a second mounting seat 31, a second pin 32, a second connecting rod 33 and a second hook 34; the upper side of the second mounting seat 31 is connected with the lower end of the first pin column 22, the lower side of the second mounting seat 31 is connected with the upper end of the second pin column 32, the first pin column 22 is provided with a first through hole which penetrates through the first pin column 22 in the vertical direction, the second pin column 32 is provided with a second through hole which penetrates through the second pin column 32 in the vertical direction, the upper end of the connecting column 4 is arranged in the first through hole in a penetrating manner, and the lower end of the connecting column 4 is arranged in the second through hole in a penetrating manner; a plurality of second connecting rods 33 and a plurality of second hooks 34 are provided, the end part of the upper end of the second hook 34 is rotatably connected with the second mounting base 31, one end of the second connecting rod 33 is movably connected to the connecting column 4, and the other end of the second connecting rod 33 is rotatably connected with the upper end of the second hook 34; a plurality of first hooks 25 are arranged at intervals along the periphery of the connecting column 4, and a plurality of second hooks 34 are arranged at intervals along the periphery of the connecting column 4; when the connecting column 4 moves up and down, the first connecting rod 24 and the second connecting rod 33 can be driven to move, the first connecting rod 24 can drive the first hook 25 to rotate so that the lower end of the first hook 25 moves towards the direction close to or away from the connecting column 4, and the second connecting rod 33 can drive the second hook 34 to rotate so that the lower end of the second hook 34 moves towards the direction close to or away from the connecting column 4. The structure of the first mounting seat 21 is shown in fig. 3a to 3e, the structure of the second mounting seat 31 is shown in fig. 4a to 4d, the structure of the first pin 22 is shown in fig. 5a to 5d, the structure of the second pin 32 is shown in fig. 6a to 6d, and the structure of the adapter 23 is shown in fig. 7.

The invention provides a tire hoisting clamp which mainly comprises four parts, namely a cylinder 1, a first mounting part 2, a second mounting part 3 and a connecting column 4, wherein the first mounting part 2 comprises a first mounting seat 21, a first connecting rod 24 and a first lifting hook 25, and the second mounting part 3 comprises a second mounting seat 31, a second connecting rod 33 and a second lifting hook 34. The cylinder 1, the first mounting part 2 and the second mounting part 3 are connected into a whole through a connecting column 4. Wherein, one end of the first connecting rod 24 is movably connected to the connecting column 4, and the other end of the first connecting rod 24 is rotatably connected to the upper end of the first hook 25; one end of the second connecting rod 33 is movably connected to the connecting column 4, and the other end of the second connecting rod 33 is rotatably connected to the upper end of the second hook 34. The connecting column 4 is driven by the air cylinder 1, and the connecting column 4 drives the first connecting rod 24 and the second connecting rod 33, so that the loosening and clamping actions of the first lifting hook 25 and the second lifting hook 34 are realized. The tire hoisting clamp provided by the invention has two mounting parts, so that two tires can be hoisted simultaneously, and the use method of the clamp is simple.

According to some embodiments of the present invention, the diameter of the first pin 22 is larger than the diameter of the second pin 32, the first pin 22 is provided with a plurality of first receiving grooves spaced along the circumference of the first pin 22, each first hook 25 is disposed in a corresponding one of the first receiving grooves, and the lower end of the first hook 25 can extend out of the first receiving groove; the second pin 32 is provided with a plurality of second receiving grooves distributed along the circumferential direction of the second pin 32 at intervals, each second hook 34 is arranged in a corresponding second receiving groove, and the lower end of the second hook 34 can extend out of the second receiving groove. The tire hoisting clamp provided by the invention clamps a tire by clamping a central hole of a hub, the diameters of the first pin 22 and the second pin 32 are different, the diameter of the first pin 22 is larger than that of the second pin 32, the first pin 22 is inserted into a tire with a larger central hole of the hub, the second pin 32 is inserted into a tire with a smaller central hole of the hub, and two tires with different models can be hoisted simultaneously. The clamped state of the tire lifting clamp is shown in fig. 2a, the unclamped state is shown in fig. 2b, and as can be seen from fig. 2a and 2 b: when the tire hoisting clamp is in a clamping state, the lower end of the first lifting hook 25 extends out of the first accommodating groove, the lower end of the second lifting hook 34 extends out of the second accommodating groove, and the first lifting hook 25 and the second lifting hook 34 can hook up a tire; when the tire lifting clamp is in the loosened state, the first hook 25 is located in the first receiving groove and the second hook 34 is located in the second receiving groove.

According to some embodiments of the invention, the tire lifting fixture further comprises: a first connecting block 26 and a second connecting block 35; one end of the first connecting rod 24 is movably connected to the connecting column 4 through the first connecting block 26, and one end of the second connecting rod 33 is movably connected to the connecting column 4 through the second connecting block 35. The structure of the first connecting block 26 is shown in fig. 8a to 8d, the structure of the second connecting block 35 is shown in fig. 9a to 9d, the structure of the first connecting rod 24 is shown in fig. 12a to 12b, the structure of the second connecting rod 33 is shown in fig. 13a to 13b, the structure of the first hook 25 is shown in fig. 10a to 10d, and the structure of the second connecting rod 33 is shown in fig. 11a to 11 d. According to the invention, the guide rod of the air cylinder 1 is connected with one end of the adapter 23, the other end of the adapter 23 is connected with the connecting column 4, when the guide rod of the air cylinder 1 moves up and down, the first connecting block 26 and the second connecting block 35 drive the first connecting rod 24 and the second connecting rod 33, and then the first connecting rod 24 and the second connecting rod 33 drive the first lifting hook 25 and the second lifting hook 34 to rotate around the first pin 29 and the second pin 36, so that the clamping and the loosening of the tire hoisting clamp are controlled.

According to some embodiments of the invention, the tire lifting fixture further comprises: a first stopper 27 and a second stopper 28; the first stop block 27 is connected with the first mounting seat 21 and is positioned above the first connecting rod 24; the second stop 28 is connected to the connecting column 4, at least part of the first stop 27 being located above the second stop 28. In the invention, when the connecting column 4 is driven by the guide rod of the cylinder 1 to move up and down, the first stop block 27 can be stopped by the first stop block 27 in the ascending process, and the second stop block 28 can be stopped at the downward movement moment, and the first stop block 27 and the second stop block 28 play a role in preventing over-limit.

According to some embodiments of the invention, the tire lifting fixture further comprises: a first pin 29 and a second pin 36, wherein the first pin 29 is arranged on the first mounting seat 21, and the second pin 36 is arranged on the second mounting seat 31; the end part of the upper end of the first hook 25 is pivotally connected with a first pin 29, and the first hook 25 can rotate around the first pin 29; the end of the upper end of the second hook 34 is pivotally connected to a second pin 36, and the second hook 34 is rotatable about the second pin 36. The structure of the first pin 29 and the second pin 36 is shown in fig. 19a to 19 b. Further, pin blocking pieces are mounted on the first pin shaft 29 and the second pin shaft 36.

According to some embodiments of the invention, the tire lifting fixture further comprises: a first support plate 210 and a second support plate 37, the first support plate 210 being provided on an upper surface of a lower end of the first hook 25; a second supporting plate 37 is provided on the upper surface of the lower end of the second hook 34. The first support plate 210 is shown in fig. 17a to 17b, and the second support plate 37 is shown in fig. 18a to 18 b.

According to some embodiments of the present invention, the first support plate 210 and the second support plate 37 are an elastic material, such as a rubber material. The first support plate 210 and the second support plate 37 are made of elastic materials mainly for preventing the surfaces of the hubs from being worn in the clamping process, and specifically, the first support plate 210 and the second support plate 37 can be made of nylon.

According to some embodiments of the present invention, the number of the first connecting rods 24 and the first hooks 25 is the same, the number of the second connecting rods 33 and the second hooks 34 is the same, each first hook 25 is connected to a corresponding one of the first connecting rods 24, each second hook 34 is connected to a corresponding one of the second connecting rods 33, and the number of the first hooks 25 and the second hooks 34 is greater than 2. The number of the first hooks 25 and the second hooks 34 in the present invention can be specifically set according to the type of the tire to be gripped, and in order to ensure that the tire can be gripped more stably, the number of the first hooks 25 and the second hooks 34 is set to be more than 2.

In a second aspect, the invention provides a tire hoisting device, a structural schematic diagram of which is shown in fig. 20, and which comprises the tire hoisting clamp 10, a hoisting structural beam 5, a pulley track 6, a sliding vehicle 7 and a lifting device 8; wherein, hoisting structure roof beam 5 below sets up coaster track 6, and the movably setting of slide car 7 is on coaster track 6, and elevating gear 8 is connected to the below of slide car 7, and tire stone tongs 10 is connected with lift tire stone tongs 10 in the below of elevating gear 8.

According to some embodiments of the invention, as shown in fig. 21, the tire lifting apparatus further comprises: and the control device 9 can be used for controlling the guide rod of the air cylinder 1 to move so as to drive the connecting column 4 to move up and down, the control device can be used for controlling the sliding vehicle to move, and the control device can be used for controlling the lifting device to lift and lower the tire hoisting clamp 10.

According to some embodiments of the invention, as shown in fig. 22, the control means 9 comprise a release button 91, an up and down button 92, a clamping button 93.

The invention provides a tire hoisting device which comprises a hoisting structure beam 5, a pulley track 6, a sliding vehicle 7, a lifting device 8, a control device 9 and a tire hoisting clamp 10. The method for hoisting the tire by using the tire hoisting device provided by the invention specifically comprises the following steps: (1) a worker for hoisting the tire pulls the tire hoisting clamp 10 to a tire storage basket by hand, and the tire hoisting clamp is aligned with a central hole of a tire hub to be hoisted; (2) after the positioning is accurate, pressing a lifting and descending button 92 on the control device 9 to enable the tire hoisting clamp 10 to descend to a height suitable for hoisting a tire, pressing a clamping button 93, starting the air cylinder 1, and enabling the first lifting hook 25 and the second lifting hook 34 to extend out of the clamping tire; pressing the up and down button 92 again causes the tire to rise to the proper height position; (3) the worker for lifting the tire pulls the tire lifting jig 10 to the lower side of the tire conveying line, presses the ascending and descending button 92 to lower the tire until the tire is stably placed on the conveying line, and presses the loosening button 91 to release the tire from the tire lifting jig 10. Borrow this tire hoist device can conveniently easily carry out the clamp of tire and get, transport.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A tire stone tongs which characterized in that includes:

2. The tire lifting clamp according to claim 1, wherein the diameter of the first pin is larger than that of the second pin, the first pin is provided with a plurality of first receiving grooves spaced along the circumferential direction of the first pin, each first hook is provided in a corresponding one of the first receiving grooves, and the lower end of the first hook can extend out of the first receiving groove;

3. The tire lifting fixture of claim 1, further comprising:

the first connecting block and the second connecting block;

4. The tire lifting fixture of claim 1, further comprising:

a first stop block and a second stop block;

the first stop block is connected with the first mounting seat and is positioned above the first connecting rod;

the second stop block is connected with the connecting column, and at least part of the first stop block is positioned above the second stop block.

5. The tire lifting fixture of claim 1, further comprising:

6. The tire lifting fixture of claim 1, further comprising:

7. The tire lifting clamp of claim 6, wherein the first and second support plates are elastomeric.

8. The tire lifting jig of claim 1, wherein the number of the first connecting rods and the first hooks is the same, the number of the second connecting rods and the second hooks is the same, each of the first hooks is connected to a corresponding one of the first connecting rods, each of the second hooks is connected to a corresponding one of the second connecting rods, and the number of the first hooks and the second hooks is greater than 2.

9. A tire hoisting device, which is characterized by comprising the tire hoisting clamp as claimed in any one of claims 1 to 8, and further comprising a hoisting structure beam, a pulley track, a sliding vehicle and a lifting device;

10. The tire lifting apparatus of claim 9, further comprising: