Tire booster and scissor lift

Abstract

An embodiment of the present invention provides a tire booster and scissor lift, relating to the field of automotive inspection equipment. The device is mounted on a scissor lift platform and comprises: a frame, a locking mechanism, a linear feed mechanism, a connecting plate, and a rotary mechanism. The frame is an integrated flat plate structure comprising a main body and a first extension. The linear feed mechanism comprises a lead screw assembly, a first motor, and two linear guide rails. One end of the connecting plate is provided with a U-shaped tire placement opening, and the other end is a second extension extending in the opposite direction from the middle of the U-shaped structure. A rotary mechanism is provided on the upper portion of the connecting plate, comprising a main shaft and a second motor. When the main shaft contacts the tire, the second motor drives the main shaft to rotate clockwise, while the first motor drives the lead screw assembly to rotate and drive the linear feed mechanism to push the tire toward the tire placement opening by a preset distance. This solves the problem of time-consuming and labor-intensive manual operation required for existing vehicle tire calibration operations.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of automobile testing equipment, and in particular to a tire booster and a scissor lift. Background Art

[0002] The four-wheel alignment instruments currently manufactured and used at home and abroad require the car to be pushed forward and backward and the tires to be rotated 30 degrees repeatedly when performing dynamic tests and kingpin measurements. All of this is done manually, which wastes both time and effort. Summary of the Invention

[0003] The embodiments of the present invention provide a tire booster and a scissor lift to solve the problem that the existing vehicle tire calibration operation requires manual operation which is time-consuming and labor-intensive.

[0004] In order to solve the above-mentioned technical problems, the present invention is achieved as follows:

[0005] In a first aspect, an embodiment of the present invention provides a tire booster mounted on a platform of a scissor lift, comprising:

[0006] Frame, locking mechanism, linear feed mechanism, connecting plate and rotary mechanism;

[0007] The frame is an integrated flat plate structure comprising a main body and a first extension portion, wherein the first extension portion extends along the central axis of the main body;

[0008] The locking mechanism is provided on at least one side of the frame for securing the tire booster to the platform of the scissor lift;

[0009] The linear feed mechanism includes a screw assembly, a first motor and two linear guide rails; the two linear guide rails are respectively arranged on the main body in parallel with the first extension portion;

[0010] The screw assembly is arranged on the first extension portion; the screw assembly includes a screw and a nut, the nut is sleeved on the screw and the upper end of the nut is fixed to the lower bottom of the connecting plate;

[0011] One end of the connecting plate is provided with a tire placement opening of a U-shaped structure, and the other end is a second extension portion extending in the opposite direction from the middle of the U-shaped structure, and the connecting plate is used to cover the two linear guide rails and the screw assembly;

[0012] The first motor is coaxially connected to the lead screw, and is used to drive the lead screw to rotate, and drive the linear feed mechanism to move toward the tire placement port through the nut;

[0013] A rotating mechanism is provided on the upper portion of the connecting plate, and the rotating mechanism includes a main shaft and a second motor; the second motor is connected to the main shaft and is used to drive the main shaft to rotate;

[0014] When the main shaft contacts the tire, the second motor drives the main shaft to rotate clockwise. At the same time, the first motor drives the screw assembly to rotate and drives the linear feed mechanism to push the tire toward the tire placement port for a preset distance.

[0015] Optionally, one end of the main body of the frame is a U-shaped structure, and the other end is a first extension portion extending in the opposite direction from the central axis of the U-shaped structure;

[0016] The two linear guide rails are arranged in axisymmetry according to the central axis of the U-shaped structure.

[0017] Optionally, the screw assembly includes: a screw, a nut, a nut seat, a retaining spring and two screw supports; the screw supports are fixed on the frame; and both ends of the screw are respectively connected to the two screw supports;

[0018] The nut is sleeved on the lead screw and the upper end is fixed to the lower bottom of the connecting plate; the first motor includes a coupling and a first motor body;

[0019] The first motor body is connected to the lead screw through the coupling.

[0020] Optionally, the linear guide rail includes: a linear optical axis, two linear optical axis supports and a slider;

[0021] The linear optical axis support is fixed on the frame; the two ends of the linear optical axis are respectively connected to the two linear optical axis supports;

[0022] The upper portion of the slider is fixed to the connecting plate;

[0023] The bottom of the sliding block is slidably assembled on the linear optical axis.

[0024] Optionally, the rotary mechanism includes a main shaft, a first seat bearing, a second seat bearing and a second motor;

[0025] The first bearing block and the second bearing block are fixed to the connecting plate;

[0026] One end of the main shaft passes through the first seat bearing and is then installed on the second seat bearing, and the other end is sleeved on the second motor.

[0027] Optionally, the locking mechanism includes: an adjusting rod, a limiting plate, a first locking member, and a second locking member;

[0028] The limiting plate is arranged parallel to the frame;

[0029] The adjusting rod is vertically connected to the limiting plate, and the adjusting rod is installed in the mounting hole on the side of the frame and can slide up and down along the mounting hole;

[0030] The first locking member passes through the mounting hole and the adjusting rod and is installed on the frame, and is used to lock the adjusting rod after the adjusting rod slides along the mounting hole to a preset position;

[0031] The upper surface of the limit plate is provided with a raised portion for contacting the lower bottom edge of the scissor lift platform;

[0032] A second locking member coaxial with the protrusion is provided on the lower surface of the limiting plate for fine-tuning the distance between the protrusion and the lower surface of the frame.

[0033] Optionally, the raised portion includes a first raised through hole, a rubber head and a hexagonal screw, and the hexagonal screw is fixed in the first raised through hole through the rubber head;

[0034] The second locking member includes a second protruding through hole, a cotter pin, and an adjusting screw mounted on the second protruding through hole;

[0035] The cotter pin is used to be inserted into the adjusting screw and lock the adjusting screw when the adjusting screw rotates to a preset position.

[0036] Optionally, when the main shaft contacts the tire, the rotation angle of the tire is determined by the displacement of the linear feed mechanism and the radius of the tire.

[0037] In a second aspect, an embodiment of the present invention provides a scissor lift, wherein at least one tire booster as described in any one of the first aspects is fixed on the platform of the scissor lift.

[0038] Optionally, when a vehicle is fixed on the platform of the scissor lift, the tires of the vehicle are in contact with the main shaft of the tire booster, and the rotation angle of the tire is fine-tuned by the tire booster.

[0039] In an embodiment of the present invention, a tire booster is mounted on a scissor lift platform. When a vehicle's tire contacts the main shaft of the tire changer, a second motor drives the main shaft to rotate clockwise. Simultaneously, a first motor drives the lead screw assembly to rotate and drives a linear feed mechanism to push the tire toward a tire placement opening by a preset distance. Fine adjustment of the tire position is achieved through the coordinated movement of the linear feed mechanism and the rotary mechanism, providing a tire booster with a high degree of automation, simple and convenient operation, and time-saving and labor-saving features. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present invention. The same reference symbols are used throughout the drawings to represent the same components. In the drawings:

[0041] Figure 1 This is a structural schematic diagram of a tire booster provided by an embodiment of the present invention;

[0042] Figure 2 This is a second structural diagram of a tire booster provided by an embodiment of the present invention;

[0043] Figure 3 This is a structural schematic diagram of a linear feed mechanism of a tire booster provided by an embodiment of the present invention;

[0044] Figure 4 This is a schematic diagram of the structure of a linear guide rail of a tire booster provided by an embodiment of the present invention;

[0045] Figure 5 This is a schematic diagram of the structure of a rotating mechanism of a tire booster provided by an embodiment of the present invention;

[0046] Figure 6 This is a structural schematic diagram of a locking mechanism of a tire booster provided by an embodiment of the present invention;

[0047] Figure 7 This is one of the structural schematic diagrams of a scissor lift provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort shall fall within the scope of protection of the present invention.

[0049] Please refer to Figure 1 , Figure 1 This is a structural diagram of a tire booster provided by an embodiment of the present invention; please refer to Figure 2 , Figure 2 This is a second structural diagram of a tire booster provided by an embodiment of the present invention;

[0050] The present invention provides a tire booster mounted on a scissor lift platform, comprising:

[0051] Frame 10, locking mechanism 20, linear feed mechanism 30, connecting plate 40 and rotary mechanism 50;

[0052] The frame 10 is an integrated flat plate structure comprising a main body and a first extension portion, wherein the first extension portion extends along the central axis of the main body;

[0053] The locking mechanism 20 is provided on at least one side of the frame 10 and is used to secure the tire booster to the platform of the scissor lift;

[0054] The linear feed mechanism 30 includes a screw assembly 32, a first motor 33 and two linear guide rails 31; the two linear guide rails 31 are respectively arranged on the main body in parallel with the first extension portion;

[0055] The screw assembly 32 is provided on the first extension portion; the screw assembly 32 includes a screw 321 and a nut 322, the nut 322 is sleeved on the screw 321 and the upper end of the nut is fixed to the lower bottom of the connecting plate 40;

[0056] One end of the connecting plate 40 is provided with a U-shaped tire placement opening, and the other end is a second extension portion extending in the opposite direction from the middle of the U-shaped structure. The connecting plate 40 is used to cover the two linear guide rails 31 and the screw assembly 32;

[0057] The first motor 33 is coaxially connected to the lead screw 321 and is used to drive the lead screw 321 to rotate and drive the linear feed mechanism 30 to move toward the tire placement port through the nut 322;

[0058] A rotating mechanism 50 is provided on the upper portion of the connecting plate 40. The rotating mechanism 50 includes a main shaft 51 and a second motor 52. The second motor 52 is connected to the main shaft 51 to drive the main shaft 51 to rotate.

[0059] When the main shaft 51 contacts the tire, the second motor 52 drives the main shaft 51 to rotate clockwise. At the same time, the first motor 33 drives the screw assembly 32 to rotate and drives the linear feed mechanism 30 to push the tire toward the tire placement port by a preset distance.

[0060] In an embodiment of the present invention, a tire booster is mounted on a scissor lift platform. When a vehicle's tire contacts the main shaft of the tire changer, a second motor drives the main shaft to rotate clockwise. Simultaneously, a first motor drives the lead screw assembly to rotate and drives a linear feed mechanism to push the tire toward a tire placement opening by a preset distance. Fine adjustment of the tire position is achieved through the coordinated movement of the linear feed mechanism and the rotary mechanism, providing a tire booster with a high degree of automation, simple and convenient operation, and time-saving and labor-saving features.

[0061] In some embodiments of the present invention, optionally, one end of the connecting plate is a U-shaped structure for placing the tire whose angle is to be adjusted, and the width of the U-shaped structure is not less than the thickness of the tire.

[0062] Optionally, one end of the main body of the frame 10 is a U-shaped structure, and the other end is a first extension portion extending in the opposite direction from the central axis of the U-shaped structure;

[0063] The two linear guide rails 31 are arranged axially symmetrically along the central axis of the U-shaped structure.

[0064] In this embodiment of the present invention, one end of the frame body is a U-shaped structure, and the other end is a first extension extending in the opposite direction from the central axis of the U-shaped structure. Two linear guides are arranged symmetrically about the central axis of the U-shaped structure. A first motor is mounted within the first extension. When the first motor is energized, the linear feed mechanism slides along the linear guides based on the frame structure. The linear guides are arranged symmetrically about the central axis of the frame, ensuring smooth and stable movement of the tire booster.

[0065] Specifically, the frame has a convex shape with a concave opening at one end. Two rectangular thin iron plates are welded on it and used as the base plates of two linear guide rails. They are arranged in the center and have four holes on the thin iron plates. The frame itself has six light holes. Multiple prescription tubes and locking mechanisms can also be welded on the sides and bottom of the frame to increase the rigidity of the frame.

[0066] Specifically, the connecting plate has a convex shape with a concave opening at one end; and two bends are folded on the side, respectively used to cover the linear guide mechanism.

[0067] See Figure 3 , Figure 3 This is a structural schematic diagram of a linear feed mechanism of a tire booster provided by an embodiment of the present invention;

[0068] In some embodiments of the present invention, optionally, the screw assembly 32 includes: a screw 321, a nut 322, a nut seat 323, a retaining spring 324, and two screw supports 325; the screw supports 325 are fixed to the frame 10; and both ends of the screw 321 are respectively connected to the two screw supports 325;

[0069] The nut 322 is sleeved on the lead screw 321 and the upper end is fixed to the lower bottom of the connecting plate 40; the first motor 33 includes a coupling 332 and a first motor body 331;

[0070] The first motor body 331 is connected to the lead screw 321 through the coupling 332 .

[0071] In an embodiment of the present invention, the screw assembly is fixed on the frame, the first motor is connected to the screw assembly through a coupling, and the screw assembly, the first motor and the two linear guide rails together constitute a linear feed mechanism. The structure is cleverly arranged, easy to operate, and saves time and effort.

[0072] See Figure 4 , Figure 4 This is a schematic diagram of the structure of a linear guide rail of a tire booster provided by an embodiment of the present invention;

[0073] In some embodiments of the present invention, optionally, the linear guide rail 31 includes: a linear optical axis 311 , two linear optical axis supports 313 and a slider 312 ;

[0074] The linear optical axis support 313 is fixed on the frame 10; the two ends of the linear optical axis 311 are respectively connected to the two linear optical axis supports 313;

[0075] The upper portion of the slider 312 is fixed to the connecting plate 40;

[0076] The bottom of the slider 312 is slidably assembled on the linear optical axis 311 .

[0077] In the embodiment of the present invention, the linear guide rail is installed on the frame, and the upper part of the slider of the linear guide rail is fixed on the connecting plate, thereby achieving the technical effect of driving the connecting plate to slide when the linear guide rail slides on the frame.

[0078] See Figure 5 , Figure 5 This is a schematic diagram of the structure of a rotating mechanism of a tire booster provided by an embodiment of the present invention;

[0079] In some embodiments of the present invention, optionally, the rotary mechanism 50 includes a main shaft 51 , a first seat bearing 53 , a second seat bearing 54 and a second motor 52 ;

[0080] The first seat bearing 53 and the second seat bearing 54 are fixed on the connecting plate 40;

[0081] One end of the main shaft 51 passes through the first seat bearing 53 and is then installed on the second seat bearing 54 , and the other end is sleeved on the second motor 52 .

[0082] In an embodiment of the present invention, one end of the main shaft is fixed to the connecting plate, and the other end is sleeved on the second motor; when the tire contacts the main shaft, the second motor is energized to drive the main shaft to rotate to realize the rotation of the tire.

[0083] Specifically, one end of the spindle sleeve on the second motor is provided with a keyway for transmitting torque, and a threaded hole is also provided on it for axial fixation; a light hole is provided next to the threaded hole, and the light hole is a chip removal process hole when machining the keyway; the middle part of the spindle is also sleeved with a layer of rubber, and the rubber surface has an uneven pattern to increase friction.

[0084] See Figure 6 , Figure 6 This is a structural schematic diagram of a locking mechanism of a tire booster provided by an embodiment of the present invention;

[0085] In some embodiments of the present invention, optionally, the locking mechanism 20 includes: an adjusting rod 21, a limiting plate 22, a first locking member 23 and a second locking member 24;

[0086] The limiting plate 22 is arranged parallel to the frame 10;

[0087] The adjusting rod 21 is vertically connected to the limiting plate 22. The adjusting rod 21 is installed in the mounting hole on the side of the frame 10 and can slide up and down along the mounting hole;

[0088] The first locking member 23 passes through the mounting hole and the adjusting rod 21 and is installed on the frame 10, and is used to lock the adjusting rod 21 after the adjusting rod 21 slides along the mounting hole to a preset position;

[0089] The upper surface of the limit plate 22 is provided with a raised portion 221 for contacting the lower bottom edge of the scissor lift platform;

[0090] A second locking member 24 coaxial with the protrusion 221 is provided on the lower surface of the limiting plate 22 for fine-tuning the distance between the protrusion 221 and the lower surface of the frame 10 .

[0091] In this embodiment of the present invention, the first locking member is used to lock the adjusting rod after the adjusting rod is moved to a preset position; the second locking member is used to lock the limiting plate after adjusting the limit plate to the lower surface of the frame to an appropriate distance. The locking mechanism has a simple structure, is easy to set up, easy to operate, and provides excellent locking effect, greatly improving the usability of the tire booster.

[0092] Specifically, the first locking member is a star-shaped handle.

[0093] Specifically, the limit plate and the adjustment rod are welded by a round steel and an iron block to form an L-shaped clamp. There are two chamfers on the iron block and a mounting hole.

[0094] In some embodiments of the present invention, optionally, the raised portion 221 includes a first raised through hole 2211, a rubber head 2212, and a hexagonal screw 2213, and the hexagonal screw 2213 is fixed in the first raised through hole 2211 through the rubber head 2212;

[0095] The second locking member 24 includes a second protruding through hole 241, a cotter pin 243 and an adjusting screw 24 mounted on the second protruding through hole 241;

[0096] The cotter pin 243 is used to be inserted into the adjusting screw 24 and lock the adjusting screw 24 when the adjusting screw 24 rotates to a preset position.

[0097] In the embodiment of the present invention, the raised portion is composed of a rubber head and a hexagonal screw, and the second locking member is composed of a cotter pin and an adjusting screw. The locking mechanism is simple in structure, easy to set up, and convenient to operate, greatly improving the usability of the tire booster.

[0098] Specifically, one end face of the adjusting screw is provided with a threaded hole for receiving the rubber head, and the other end face is provided with a round hole and a knife recess, and one side of the knife recess is a threaded structure.

[0099] In some embodiments of the present invention, optionally, when the main shaft 51 contacts the tire, the rotation angle of the tire is determined by the displacement of the linear feed mechanism 30 and the radius of the tire.

[0100] In an embodiment of the present invention, when the tire booster is used for tires of different sizes, the rotation angle / adjustment angle of the tire is related to the displacement of the linear feed mechanism and the tire radius. The user can set different target displacements for the linear feed mechanism for tires of different sizes so that the rotation angle of tires of different sizes is 30 degrees.

[0101] See Figure 7 , Figure 7 This is one of the structural schematic diagrams of a scissor lift provided in an embodiment of the present invention.

[0102] An embodiment of the present invention provides a scissor lift, on which a platform 300 of the scissor lift is fixed at least one tire booster 100 as described in any of the above embodiments.

[0103] In an embodiment of the present invention, a tire booster is installed on the platform of the scissor lift. When the vehicle's tire contacts the main shaft of the tire changer, the second motor drives the main shaft to rotate clockwise. At the same time, the first motor drives the screw assembly to rotate and drives the linear feed mechanism to push the tire toward the tire placement opening by a preset distance. The coordinated movement of the linear feed mechanism and the rotary mechanism enables fine adjustment of the tire position, providing a scissor lift that is highly automated, simple and convenient to operate, and saves time and effort, and can achieve tire angle adjustment.

[0104] In some embodiments of the present invention, optionally, when a vehicle is fixed on the platform of the scissor lift, the tires of the vehicle are in contact with the main shaft of the tire booster, and the rotation angle of the tire is fine-tuned by the tire booster.

[0105] In an embodiment of the present invention, when a vehicle is secured to the platform of a scissor lift, the vehicle's tires contact the main shaft of the tire booster, allowing the tire's rotation angle to be fine-tuned via the tire booster. This provides a scissor lift capable of adjusting tire angles with a high degree of automation, ease of operation, and time-saving and labor-saving operation.

[0106] The connection and fixing methods between the components in the above embodiments include but are not limited to threaded connection, bolt connection, screw fixing, etc.

[0107] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which are protected by the present invention.

Claims

1. A tire booster, characterized in that: Mounted on the platform of the scissor lift, it includes: Frame, locking mechanism, linear feed mechanism, connecting plate and rotary mechanism; The frame is an integrated flat plate structure comprising a main body and a first extension portion, wherein the first extension portion extends along the central axis of the main body; The locking mechanism is provided on at least one side of the frame for securing the tire booster to the platform of the scissor lift; The linear feed mechanism includes a screw assembly, a first motor and two linear guide rails; the two linear guide rails are respectively arranged on the main body in parallel with the first extension portion; The screw assembly is arranged on the first extension portion; the screw assembly includes a screw and a nut, the nut is sleeved on the screw and the upper end of the nut is fixed to the lower bottom of the connecting plate; One end of the connecting plate is provided with a tire placement opening of a U-shaped structure, and the other end is a second extension portion extending in the opposite direction from the middle of the U-shaped structure, and the connecting plate is used to cover the two linear guide rails and the screw assembly; The first motor is coaxially connected to the lead screw, and is used to drive the lead screw to rotate, and drive the connecting plate to move toward the tire placement port through the nut; A rotating mechanism is provided on the upper portion of the connecting plate, and the rotating mechanism includes a main shaft and a second motor; the second motor is connected to the main shaft and is used to drive the main shaft to rotate; When the main shaft contacts the tire, the second motor drives the main shaft to rotate clockwise. At the same time, the first motor drives the screw assembly to rotate and drives the linear feed mechanism to push the tire toward the tire placement port by a preset distance. The rotary mechanism includes a main shaft, a first seat bearing, a second seat bearing and a second motor; The first bearing block and the second bearing block are fixed to the connecting plate; One end of the main shaft passes through the first seat bearing and is mounted on the second seat bearing, and the other end is sleeved on the second motor; One end of the main shaft sleeved on the second motor is provided with a keyway for transmitting torque and a threaded hole for axial fixation. The middle part of the main shaft is also sleeved with a layer of rubber for increasing friction, and the surface of the rubber has an uneven pattern.

2. The tire booster according to claim 1, characterized in that One end of the main body of the frame is a U-shaped structure, and the other end is a first extension portion extending in the opposite direction from the central axis of the U-shaped structure; The two linear guide rails are arranged in axisymmetry according to the central axis of the U-shaped structure.

3. The tire booster according to claim 1, characterized in that The screw assembly includes: a screw, a nut, a nut seat, a retaining spring and two screw supports; the screw supports are fixed on the frame; the two ends of the screw are respectively connected to the two screw supports; The nut is sleeved on the lead screw and the upper end is fixed to the lower bottom of the connecting plate; the first motor includes a coupling and a first motor body; The first motor body is connected to the lead screw through the coupling.

4. The tire booster according to claim 1, characterized in that The linear guide rail comprises: a linear optical axis, two linear optical axis supports and a slider; The linear optical axis support is fixed on the frame; the two ends of the linear optical axis are respectively connected to the two linear optical axis supports; The upper portion of the slider is fixed to the connecting plate; The bottom of the sliding block is slidably assembled on the linear optical axis.

5. The tire booster according to claim 1, characterized in that The locking mechanism includes: an adjusting rod, a limiting plate, a first locking member and a second locking member; The limiting plate is arranged parallel to the frame; The adjusting rod is vertically connected to the limiting plate, and the adjusting rod is installed in the mounting hole on the side of the frame and can slide up and down along the mounting hole; The first locking member passes through the mounting hole and the adjusting rod and is installed on the frame, and is used to lock the adjusting rod after the adjusting rod slides along the mounting hole to a preset position; The upper surface of the limit plate is provided with a raised portion for contacting the lower bottom edge of the scissor lift platform; A second locking member coaxial with the protrusion is provided on the lower surface of the limiting plate for fine-tuning the distance between the protrusion and the lower surface of the frame.

6. The tire booster according to claim 5, characterized in that The raised portion includes a first raised through hole, a rubber head and a hexagonal screw, wherein the hexagonal screw is fixed in the first raised through hole through the rubber head; The second locking member includes a second protruding through hole, a cotter pin, and an adjusting screw mounted on the second protruding through hole; The cotter pin is used to be inserted into the adjusting screw and lock the adjusting screw when the adjusting screw rotates to a preset position.

7. The tire booster according to claim 1, characterized in that When the main shaft contacts the tire, the angle of rotation of the tire is determined by the displacement of the linear feed mechanism and the radius of the tire.

8. A scissor lift, characterized in that: At least one tire booster according to any one of claims 1 to 7 is fixed on the platform of the scissor lift.

9. The scissor lift according to claim 8, wherein: When a vehicle is fixed on the platform of the scissor lift, the tires of the vehicle are in contact with the main shaft of the tire booster, and the rotation angle of the tire is fine-tuned by the tire booster.

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