阅读说明：本技术 一种汽车轮对托起装置 (Automobile wheel pair supporting device ) 是由 张国彬 朱志雄 张凯 戴昕辉 袁丽华 于 2019-11-22 设计创作，主要内容包括：本发明公开了一种汽车轮对托起装置,包括主架组件、轮架组件和托起组件,所述主架组件包括中块、横杆、侧杆和凸板,所述侧杆左右设置有两个,两个所述侧杆平行设置,两个所述侧杆的外侧上部均固定连接有所述凸板,所述中块的左右两端均固定连接有所述横杆,两个所述侧杆的前端分别滑动连接在两个所述横杆上；所述轮架组件包括平托板、窄刃、侧挡板、侧连接块、滑套、滑道杆和前后挡板,所述平托板左右设置有两个,两个所述平托板的内端均设置有所述窄刃,两个所述平托板的外端均固定连接有所述侧挡板,两个所述侧挡板的外侧均固定连接有所述滑道杆。(The invention discloses an automobile wheel pair supporting device which comprises a main frame assembly, a wheel carrier assembly and a supporting assembly, wherein the main frame assembly comprises a middle block, two cross rods, two side rods and a convex plate, the left side rod and the right side rod are arranged in parallel, the convex plate is fixedly connected to the upper parts of the outer sides of the two side rods, the cross rods are fixedly connected to the left end and the right end of the middle block, and the front ends of the two side rods are respectively connected to the two cross rods in a sliding manner; the wheel carrier subassembly includes flat layer board, narrow sword, side shield, side connection piece, sliding sleeve, slide bar and front and back baffle, the flat layer board is provided with two about, two the inner of flat layer board all is provided with the narrow sword, two the equal fixedly connected with in outer end of flat layer board the side shield, two the equal fixedly connected with in the outside of side shield the slide bar.)

1. The utility model provides an automobile wheel pair holds up device, includes body frame subassembly (1), wheel carrier subassembly (2) and holds up subassembly (3), its characterized in that: the main frame assembly (1) comprises a middle block (1-1), cross rods (1-3), side rods (1-4) and convex plates (1-7), the number of the side rods (1-4) is two, the two side rods (1-4) are arranged in parallel, the upper parts of the outer sides of the two side rods (1-4) are fixedly connected with the convex plates (1-7), the left end and the right end of the middle block (1-1) are fixedly connected with the cross rods (1-3), and the front ends of the two side rods (1-4) are respectively connected to the two cross rods (1-3) in a sliding mode;

the wheel carrier assembly (2) comprises flat supporting plates (2-1), narrow blades (2-2), side baffles (2-3), side connecting blocks (2-4), sliding sleeves (2-6), sliding way rods (2-8) and front and rear baffles (2-9), the number of the flat supporting plates (2-1) is two, the inner ends of the two flat supporting plates (2-1) are provided with the narrow blades (2-2), the outer ends of the two flat supporting plates (2-1) are fixedly connected with the side baffles (2-3), the outer sides of the two side baffles (2-3) are fixedly connected with the sliding way rods (2-8), the outer sides of the two sliding way rods (2-8) are fixedly connected with the side connecting blocks (2-4), and the outer ends of the side connecting blocks (2-4) are fixedly connected with the outer ends of the two side rods (1-4) respectively The number of the front baffle plate and the rear baffle plate (2-9) is four, the sliding sleeves (2-6) are arranged on the front baffle plate and the rear baffle plate (2-9), and the four sliding sleeves (2-6) are respectively connected to the two chute rods (2-8) in a sliding manner;

the supporting component (3) comprises a base block (3-1), a vertical guide rod (3-3), a supporting screw (3-4) and a lifting plate (3-5), the left and right parts of the base block (3-1) are provided with two base blocks (3-1), the upper parts of the two base blocks (3-1) are fixedly connected with the vertical guide rods (3-3), the two lifting plates (3-5) are respectively connected to the vertical guide rods (3-3) on the two base blocks (3-1) in a sliding mode, the two lifting plates (3-5) are respectively connected with the supporting screws (3-4) through threads, the lower ends of the two supporting screws (3-4) respectively abut against the upper sides of the two base blocks (3-1), and the two lifting plates (3-5) are respectively located on the lower sides of the two convex plates (1-7).

2. The wheel set lifting device for a vehicle according to claim 1, wherein: the main frame assembly (1) further comprises bolts (1-6), and the left end and the right end of the cross rod (1-3) are fixedly connected with the bolts (1-6).

3. The wheel set lifting device for a vehicle according to claim 2, wherein: the main frame component (1) further comprises a baffle ring I (1-2) and a threaded rod I (1-5), the middle of the threaded rod I (1-5) is rotatably connected onto the middle block (1-1), the middle of the threaded rod I (1-5) is fixedly connected with two baffle rings I (1-2), two baffle rings I (1-2) are respectively located at the left side and the right side of the middle block (1-1), threads at the left end and the right end of the threaded rod I (1-5) are opposite in rotating direction, and the left end and the right end of the threaded rod I (1-5) are respectively matched with the side rods (1-4) through threads.

4. The wheel set lifting device for a vehicle according to claim 3, wherein: the wheel carrier assembly (2) further comprises a retaining ring II (2-5) and a threaded rod II (2-7), the middle of the threaded rod II (2-7) is respectively connected with two side connecting blocks (2-4) in a rotating mode, the middle of the threaded rod II (2-7) is fixedly connected with two retaining rings II (2-5), the two retaining rings II (2-5) are the same as the threaded rod II (2-7) and are respectively located on the front side and the rear side of the corresponding side connecting blocks (2-4), the threads at the front end and the rear end of the threaded rod II (2-7) are opposite in rotating direction, the front end and the rear end of the threaded rod II (2-7) are respectively matched with the corresponding two sliding sleeves (2-6) through threads.

5. The wheel set lifting device for a vehicle according to claim 4, wherein: the main frame component (1) further comprises jacks (1-8), the supporting component (3) further comprises convex columns (3-2), a plurality of jacks (1-8) are arranged on the two convex plates (1-7), the upper sides of the two lifting plates (3-5) are fixedly connected with a plurality of convex columns (3-2), and the convex columns (3-2) can be inserted into the jacks (1-8).

Technical Field

The invention relates to a supporting device, in particular to an automobile wheel pair supporting device.

Background

The wheel set is the part of the rolling stock contacting with the steel rail and consists of left and right wheels firmly pressed on the same axle. The wheel pair is used to ensure the running and steering of the rolling stock on the rail, bear all static and dynamic loads from the rolling stock, transfer the static and dynamic loads to the rail and transfer the loads generated by the irregularity of the lines to the parts of the rolling stock. In addition, the drive and braking of the rolling stock are also effected via wheel pairs. The method has strict requirements on the assembly pressure and the press-fitting process of the axle and the wheel, and in order to ensure the stable running of the locomotive and reduce the interaction force and running resistance of the wheel and the rail, the processing ovality and eccentricity of the axle journal and the wheel tread and the taper of the axle journal cannot exceed the specified limit. The traditional device for supporting the automobile wheel pair is mostly a large device, and a small automobile wheel pair supporting device which is convenient to carry does not exist for supporting the automobile wheel pair.

Disclosure of Invention

The present invention is directed to a wheel pair lifting device for a vehicle to solve the above problems of the prior art.

In order to realize the purpose, the invention provides the following technical scheme: the main frame assembly comprises a middle block, cross rods, side rods and convex plates, the number of the side rods is two, the two side rods are arranged in parallel, the convex plates are fixedly connected to the upper parts of the outer sides of the two side rods, the cross rods are fixedly connected to the left end and the right end of the middle block, and the front ends of the two side rods are respectively connected to the two cross rods in a sliding mode; the body frame subassembly has played the effect that supports two wheel carrier subassemblies, and two side levers can slide about respectively on two horizontal poles, adjust the distance between two side levers, and the distance between two wheel carrier subassemblies has been decided to the distance between two side levers, adjusts the distance between two wheel carrier subassemblies according to the distance between two wheels of car.

The wheel carrier assembly comprises flat supporting plates, narrow blades, side baffle plates, side connecting blocks, sliding sleeves, sliding track rods and front and rear baffle plates, the number of the flat supporting plates is two, the narrow blades are arranged at the inner ends of the two flat supporting plates, the outer ends of the two flat supporting plates are fixedly connected with the side baffle plates, the sliding track rods are fixedly connected with the outer sides of the two side baffle plates, the side connecting blocks are fixedly connected with the outer sides of the two sliding track rods, the outer ends of the two side connecting blocks are respectively fixedly connected to the inner sides of the two side rods, the number of the front and rear baffle plates is four, the sliding sleeves are arranged on the front and rear baffle plates, and the four sliding sleeves are respectively connected to the two sliding track rods in a sliding manner; during the use, place two flat layer boards in the outside of two wheels respectively, the distance between two side levers of control constantly reduces, and then also can constantly be close to between two flat layer boards, when two flat layer boards constantly are close to, because there is the narrow sword in the inner of two flat layer boards all, and then two flat layer boards insert the lower part at two wheels respectively, because the baffle can slide on the slide bar through the sliding sleeve around, slide the position of two front and back baffles on the same slide bar of adjustment respectively, make two front and back baffles keep off both ends around the wheel respectively, prevent that the wheel from sliding down from the front and back both sides of flat layer board.

The lifting assembly comprises a base block, two vertical guide rods, two supporting screws and two lifting plates, wherein the two lifting plates are arranged on the left side and the right side of the base block, the upper parts of the two base blocks are fixedly connected with the vertical guide rods, the two lifting plates are respectively connected to the two vertical guide rods on the base block in a sliding mode, the two lifting plates are respectively connected to the two lifting plates through threads, the supporting screws and the two supporting screws are respectively abutted to the upper sides of the base block, and the two lifting plates are respectively located at the lower sides of the two convex plates. The two lifting plates are respectively placed on the lower sides of the two convex plates, the lifting plates are driven to lift when the supporting screws are rotated, the two lifting plates are driven to lift when lifted, and then the two flat supporting plates and the two wheels are driven to lift, so that the automobile wheel pair is supported.

In a further embodiment, the main frame assembly further comprises a bolt, and the bolt is fixedly connected to the left end and the right end of the cross rod. The two latches can be made to function to prevent the two side bars from disengaging from the two cross bars.

In a further embodiment, the main frame component further comprises a baffle ring I and a threaded rod I, the middle of the threaded rod I is rotatably connected to the middle block, and the middle of the threaded rod I is fixedly connected with two postsThe two baffle rings I are respectively positioned on the left side and the right side of the middle block, the thread turning directions of the left end and the right end of the threaded rod I are opposite, and the left end and the right end of the threaded rod I are respectively matched with the two side rods through threads. Can make the threaded rod rotate

Can drive the threaded rod

The axis of the side rod is used as a shaft to rotate, so that the two side rods are driven to be close to and far away from each other, and the distance between the two side rods is adjusted.

In further embodiment, the wheel carrier subassembly still includes fender ring II and threaded rod II, two threaded rod II's middle part is rotated respectively and is connected two on the side connection piece, two threaded rod II's the equal fixedly connected with in middle part is two keep off ring II, it is same on the threaded rod II keep off ring II and be located respectively and correspond both sides around the side connection piece, threaded rod II's the screw thread at both ends is revolved to opposite, two threaded rod II's front and back both ends respectively with two that correspond the sliding sleeve passes through the screw thread and cooperatees. Can make the threaded rod rotate

Can drive the threaded rod

The two front and rear baffles are driven to be close to and far away from each other by rotating by taking the axis of the self body as a shaft, and the distance between the two front and rear baffles is adjusted to adapt to wheels with different diameters.

In a further embodiment, the main frame assembly further comprises insertion holes, the lifting assembly further comprises protruding columns, a plurality of insertion holes are formed in each of the two protruding plates, a plurality of protruding columns are fixedly connected to the upper sides of the two lifting plates, and the protruding columns can be inserted into the insertion holes. When the convex column on the lifting plate is inserted into the jack on the convex plate, the lifting plate and the convex plate can be prevented from slipping, and the stability is improved.

Compared with the prior art, the invention has the beneficial effects that:

1. this car wheel pair holds up device, be provided with two about through the side lever, two side lever parallel arrangement, the equal fixedly connected with flange in outside upper portion of two side levers, the equal fixedly connected with horizontal pole in both ends about the middlings, the front end difference sliding connection of two side levers is on two horizontal poles, make the body frame subassembly play the effect of supporting two wheel carrier subassemblies, two side levers can be the horizontal slip on two horizontal poles respectively, adjust the distance between two side levers, distance between two wheel carrier subassemblies has been decided to distance between two side levers, adjust the distance between two wheel carrier subassemblies according to the distance between two wheels of car.

2. The automobile wheel pair supporting device is characterized in that two flat supporting plates are arranged on the left and right sides, the inner ends of the two flat supporting plates are respectively provided with a narrow blade, the outer ends of the two flat supporting plates are respectively fixedly connected with a side baffle, the outer sides of the two side baffles are respectively fixedly connected with a slide rod, the outer sides of the two slide rods are respectively fixedly connected with a side connecting block, the outer ends of the two side connecting blocks are respectively fixedly connected with the inner sides of two side rods, the front baffle and the rear baffle are respectively provided with four side baffles, the front baffle and the rear baffle are provided with sliding sleeves, the four sliding sleeves are respectively and slidably connected on the two slide rods, when in use, the two flat supporting plates are respectively placed on the outer sides of two wheels, the distance between the two side rods is controlled to be continuously reduced, and then the two flat supporting plates can be continuously close to each other, when the two flat supporting plates are continuously, the front baffle and the rear baffle can slide on the slideway rod through the sliding sleeves and respectively slide and adjust the positions of the two front baffles and the two rear baffles on the same slideway rod, so that the two front baffles and the two rear baffles are respectively blocked at the front end and the rear end of the wheel, and the wheel is prevented from sliding down from the front side and the rear side of the flat supporting plate.

3. This automobile wheel is to holding up device, be provided with two about through the base piece, the equal fixedly connected with in upper portion of two base pieces erects the guide arm, two lifter plates are sliding connection respectively on the perpendicular guide arm on two base pieces, all there is the supporting screw through threaded connection on two lifter plates, the lower extreme of two supporting screw pushes up the upside at two base pieces respectively, two lifter plates are located the downside of two flange respectively, make and place the downside at two flange respectively with two lifter plates, during the rotating supporting screw, it lifts to drive the lifter plate, two lifter plates drive two flange lifts respectively when lifting, and then drive two flat-bed boards and two wheel lifts, and then to the automobile wheel to holding up.

4. This car wheel pair holds up device, through the equal fixedly connected with bolt in both ends about the horizontal pole for the effect of two bolts prevents that two side levers from breaking away from two horizontal poles.

5. This car wheel is to holding up device, the middle part through threaded rod I rotates to be connected on the well piece, two ring I that keep off of threaded rod I's middle part fixedly connected with, two keep off the left and right sides that ring I is located the well piece respectively, the screw thread at both ends is rotated to opposite about threaded rod I, threaded rod I cooperatees through screw thread and two side levers respectively in both ends about, make rotating threaded rod I can drive threaded rod I and use the axis of self to rotate as the axle, and then drive two side levers and be close to and keep away from, adjust the interval of two side levers.

6. This car wheel is to holding up device, middle part through two threaded rod II rotates respectively to be connected on two side connection blocks, two fender ring II of the equal fixedly connected with in middle part of two threaded rod II, two fender ring II on the same threaded rod II are located the front and back both sides that correspond the side connection block respectively, the screw thread at both ends revolves to on the contrary around threaded rod II, both ends pass through the screw thread with two sliding sleeves that correspond respectively around two threaded rod II and cooperate, make rotating threaded rod II can drive threaded rod II and use the axis of self to rotate as the axle, and then drive two front and back baffles and be close to and keep away from, adjust the interval of baffle around two, adapt to the wheel of different diameters.

7. This automobile wheel is to holding up device all is provided with a plurality of jacks on through two convex plates, a plurality of projections of the equal fixedly connected with of upside of two lifter plates, and the projection can be inserted in the jack for when the projection on the lifter plate inserts the jack on the convex plate, can prevent to take place between lifter plate and the convex plate and skid, improve stability.

Drawings

FIG. 1 is a schematic structural diagram of a wheel pair lifting device for a vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the main frame assembly;

FIG. 3 is a first schematic structural diagram of the wheel carriage assembly;

FIG. 4 is a second schematic structural view of the wheel carriage assembly;

fig. 5 is a schematic structural diagram of the lifting assembly.

In the figure: a main frame assembly 1; 1-1 of middle block; baffle ring I1-2; 1-3 of a cross bar; side rods 1-4; a threaded rod I1-5; 1-6 parts of a bolt; 1-7 of convex plate; jacks 1-8; a wheel carrier assembly 2; 2-1 of a flat supporting plate; 2-2 of narrow blade; 2-3 of a side baffle; 2-4 of a side connecting block; a baffle ring II 2-5; 2-6 of a sliding sleeve; threaded rod II 2-7; 2-8 parts of a slideway rod; front and rear baffles 2-9; a holding-up component 3; a base block 3-1; 3-2 of convex columns; 3-3 of a vertical guide rod; 3-4 of a support screw; and 3-5 of a lifting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the automobile wheel pair supporting device comprises a main frame assembly 1, a wheel carrier assembly 2 and a supporting assembly 3, wherein the main frame assembly 1 comprises a middle block 1-1, cross rods 1-3, side rods 1-4 and convex plates 1-7, the number of the side rods 1-4 is two, the two side rods 1-4 are arranged in parallel, the upper parts of the outer sides of the two side rods 1-4 are fixedly connected with the convex plates 1-7, the left end and the right end of the middle block 1-1 are fixedly connected with the cross rods 1-3, and the front ends of the two side rods 1-4 are respectively connected onto the two cross rods 1-3 in a sliding manner; the main frame assembly 1 plays a role in supporting the two wheel carrier assemblies 2, the two side rods 1-4 can slide left and right on the two cross rods 1-3 respectively to adjust the distance between the two side rods 1-4, the distance between the two side rods 1-4 determines the distance between the two wheel carrier assemblies 2, and the distance between the two wheel carrier assemblies 2 is adjusted according to the distance between the two wheels of the automobile.

The wheel carrier assembly 2 comprises flat supporting plates 2-1, narrow blades 2-2, side baffles 2-3, side connecting blocks 2-4, sliding sleeves 2-6, sliding way rods 2-8 and front and rear baffles 2-9, two flat supporting plates 2-1 are arranged on the left and right, the narrow blades 2-2 are arranged at the inner ends of the two flat supporting plates 2-1, the outer ends of the two flat supporting plates 2-1 are fixedly connected with the side baffles 2-3, the outer sides of the two side baffles 2-3 are fixedly connected with the sliding way rods 2-8, the outer sides of the two sliding way rods 2-8 are fixedly connected with the side connecting blocks 2-4, the outer ends of the two side connecting blocks 2-4 are fixedly connected to the inner sides of the two side rods 1-4, and the front and rear baffles 2-9 are four, the sliding sleeves 2-6 are arranged on the front baffle plate 2-9 and the rear baffle plate 2-9, and the four sliding sleeves 2-6 are respectively connected to the two sliding channel rods 2-8 in a sliding manner; when the two side rods 2-1 are used, the two flat supporting plates 2-1 are respectively placed on the outer sides of the two wheels, the distance between the two side rods 1-4 is controlled to be continuously reduced, the two flat supporting plates 2-1 can be continuously close to each other, when the two flat supporting plates 2-1 are continuously close to each other, the inner ends of the two flat supporting plates 2-1 are respectively provided with the narrow blades 2-2, the two flat supporting plates 2-1 are respectively inserted into the lower parts of the two wheels, and the front baffle plate 2-9 and the rear baffle plate 2-9 can respectively slide on the slideway rods 2-8 through the sliding sleeves 2-6 to respectively slide and adjust the positions of the front baffle plate 2-9 and the rear baffle plate 2-9 on the same slideway rod 2-8, so that the front baffle plate 2-9 and the rear baffle plate 2-9 are.

The lifting assembly 3 comprises base blocks 3-1, vertical guide rods 3-3, supporting screws 3-4 and lifting plates 3-5, the number of the base blocks 3-1 is two, the upper parts of the two base blocks 3-1 are fixedly connected with the vertical guide rods 3-3, the two lifting plates 3-5 are respectively connected to the vertical guide rods 3-3 on the two base blocks 3-1 in a sliding mode, the two lifting plates 3-5 are respectively connected with the supporting screws 3-4 through threads, the lower ends of the two supporting screws 3-4 are respectively abutted to the upper sides of the two base blocks 3-1, and the two lifting plates 3-5 are respectively located on the lower sides of the two convex plates 1-7. The two lifting plates 3-5 are respectively placed at the lower sides of the two convex plates 1-7, when the supporting screws 3-4 are rotated, the lifting plates 3-5 are driven to lift, when the two lifting plates 3-5 lift, the two convex plates 1-7 are respectively driven to lift, and then the two flat supporting plates 2-1 and the two wheels are driven to lift, so that the automobile wheel pairs are lifted.

In a further embodiment, the main frame assembly 1 further comprises bolts 1-6, and the bolts 1-6 are fixedly connected to the left and right ends of the cross rods 1-3. The two latches 1-6 can be made to function to prevent the two side bars 1-4 from disengaging from the two cross bars 1-3.

In a further embodiment, the main frame assembly 1 further comprises a stop ring I1-2 and a threaded rod I1-5, the middle part of the threaded rod I1-5 is rotatably connected to the middle block 1-1, the middle part of the threaded rod I1-5 is fixedly connected with two stop rings I1-2, the two stop rings I1-2 are respectively positioned at the left side and the right side of the middle block 1-1, the thread turning directions of the left end and the right end of the threaded rod I1-5 are opposite, and the left end and the right end of the threaded rod I1-5 are respectively matched with the two side rods 1-4 through threads. The threaded rod I1-5 can be rotated to drive the threaded rod I1-5 to rotate around the axis of the threaded rod I1-5, so that the two side bars 1-4 are driven to approach and depart from each other, and the distance between the two side bars 1-4 is adjusted.

In a further embodiment, the wheel carrier assembly 2 further comprises two retaining rings II2-5 and two threaded rods II2-7, the middle parts of the two threaded rods II2-7 are respectively rotatably connected to the two side connecting blocks 2-4, the middle parts of the two threaded rods II2-7 are respectively and fixedly connected with the two retaining rings II2-5, the two retaining rings II2-5 on the same threaded rod II2-7 are respectively located at the front side and the rear side of the corresponding side connecting block 2-4, the thread directions of the front end and the rear end of the threaded rod II2-7 are opposite, and the front end and the rear end of the two threaded rods II2-7 are respectively matched with the two corresponding sliding sleeves 2-6 through threads. The threaded rod II2-7 can be rotated to drive the threaded rod II2-7 to rotate by taking the axis of the threaded rod II2-7 as a shaft, so that the two front and rear baffles 2-9 are driven to approach and depart from each other, the distance between the two front and rear baffles 2-9 is adjusted, and the bicycle wheel is suitable for wheels with different diameters.

In a further embodiment, the main frame assembly 1 further includes insertion holes 1-8, the lifting assembly 3 further includes protruding columns 3-2, a plurality of insertion holes 1-8 are respectively formed on the two protruding plates 1-7, a plurality of protruding columns 3-2 are respectively fixedly connected to the upper sides of the two lifting plates 3-5, and the protruding columns 3-2 can be inserted into the insertion holes 1-8. When the convex columns 3-2 on the lifting plates 3-5 are inserted into the jacks 1-8 on the convex plates 1-7, the lifting plates 3-5 and the convex plates 1-7 can be prevented from slipping, and the stability is improved.

The working principle is as follows: the main frame assembly 1 plays a role in supporting the two wheel carrier assemblies 2, the two side rods 1-4 can slide left and right on the two cross rods 1-3 respectively to adjust the distance between the two side rods 1-4, the distance between the two side rods 1-4 determines the distance between the two wheel carrier assemblies 2, and the distance between the two wheel carrier assemblies 2 is adjusted according to the distance between the two wheels of the automobile. When the two side rods 2-1 are used, the two flat supporting plates 2-1 are respectively placed on the outer sides of the two wheels, the distance between the two side rods 1-4 is controlled to be continuously reduced, the two flat supporting plates 2-1 can be continuously close to each other, when the two flat supporting plates 2-1 are continuously close to each other, the inner ends of the two flat supporting plates 2-1 are respectively provided with the narrow blades 2-2, the two flat supporting plates 2-1 are respectively inserted into the lower parts of the two wheels, and the front baffle plate 2-9 and the rear baffle plate 2-9 can respectively slide on the slideway rods 2-8 through the sliding sleeves 2-6 to respectively slide and adjust the positions of the front baffle plate 2-9 and the rear baffle plate 2-9 on the same slideway rod 2-8, so that the front baffle plate 2-9 and the rear baffle plate 2-9 are. The two lifting plates 3-5 are respectively placed at the lower sides of the two convex plates 1-7, when the supporting screws 3-4 are rotated, the lifting plates 3-5 are driven to lift, when the two lifting plates 3-5 lift, the two convex plates 1-7 are respectively driven to lift, and then the two flat supporting plates 2-1 and the two wheels are driven to lift, so that the automobile wheel pairs are lifted. The two latches 1-6 function to prevent the two side bars 1-4 from disengaging from the two cross bars 1-3. The threaded rod I1-5 can be rotated to drive the threaded rod I1-5 to rotate by taking the axis of the threaded rod I1-5 as a shaft, so that the two side bars 1-4 are driven to approach and depart from each other, and the distance between the two side bars 1-4 is adjusted. The threaded rod II2-7 can be rotated to drive the threaded rod II2-7 to rotate by taking the axis of the threaded rod II as a shaft, so that the two front and rear baffles 2-9 are driven to approach and separate, the distance between the two front and rear baffles 2-9 is adjusted, and the bicycle wheel is suitable for wheels with different diameters. When the convex columns 3-2 on the lifting plates 3-5 are inserted into the jacks 1-8 on the convex plates 1-7, the lifting plates 3-5 and the convex plates 1-7 can be prevented from slipping, and the stability is improved.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.