Automobile supporting device for automobile maintenance

By designing an automotive maintenance support device with an adjustable-spacing load-bearing plate and a flip-up limiting component, the problems of insufficient applicability and stability of existing devices are solved, achieving stable fixation and safe support for different vehicle models.

CN223879378UActive Publication Date: 2026-02-06NANCHONG TECHNICIAN COLLEGE
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Patent Information

Application Number
CN202520658555.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-02-06
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

The fixed spacing of the bearing plates in existing automotive repair support devices limits their applicability to certain types of vehicles, results in insufficient wheel hub fixing capacity, and poses stability and safety hazards.

Method used

A support device for automobile repair was designed, which uses an adjustable-spacing load-bearing plate and a flip-up limiting component. The lifting component enables the lifting and lowering of the car, and the limiting component is used to fix the car tires, thereby improving stability and safety.

Benefits of technology

It effectively supports vehicles with different widths and wheelbases, improves the applicability and stability of the device, avoids the vehicle from sliding or shaking during maintenance, and ensures safety.

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Abstract

The utility model relates to the technical field of automobile maintenance, in particular to an automobile supporting device for automobile maintenance, which comprises a top plate and supporting columns arranged at four corners of the bottom of the top plate, the four supporting columns and the top plate form a supporting frame body, a lifting assembly is arranged on the inner side of each supporting column, and the lifting assemblies are arranged on the top plate. Two bearing plates are arranged on the front side and the rear side in the supporting frame correspondingly, the two bearing plates are connected to the lifting assemblies on the front side and the rear side correspondingly, telescopic pieces are arranged between the lifting assemblies and the bearing plates, and limiting assemblies are arranged on the upper sides of the two ends of the bearing plates correspondingly; the limiting assembly is connected with a driving assembly located on the inner side of the bearing plate, and the problems that in the prior art, due to the fact that the distance between limiting grooves in the bearing plate is fixed, the automobile maintenance supporting device is suitable for limited automobile types, the automobile hub fixing capacity is limited, stability is insufficient, and the service life of the automobile maintenance supporting device is prolonged are solved. And certain potential safety hazards exist.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile maintenance, specifically relates to an automobile supporting device for automobile maintenance. BACKGROUND

[0002] Automobile maintenance is the general term of automobile maintenance and repair, which is to find out the fault reason through technical means and take certain measures to make the fault be eliminated and the performance and safety standard be recovered. The automobile needs to be maintained at the bottom when it is maintained. The maintenance pit used by each repair shop is usually used when the bottom of the automobile is maintained. The support is arranged on both sides of the maintenance pit, the hydraulic cylinder is arranged at the bottom of the support, and the automobile is lifted up by the two supports when it drives to the two supports. The automobile is lifted and supported to facilitate the personnel to observe and maintain the bottom of the automobile.

[0003] The Chinese patent with publication number CN220951018U discloses a lifting device for automobile maintenance, which comprises two bearing plates, four supporting columns and a height adjusting mechanism, and further comprises a horizontal adjusting mechanism. The horizontal adjusting mechanism comprises a bearing frame, a first screw rod and a first motor. The bearing frame comprises two bearing beams and two connecting beams connected to the bearing beams. The ends of the connecting beams are fixedly connected to the bearing beams. First sliding grooves are formed in the bearing beams, and first sliding blocks are formed in the bottom of the bearing plates. The first screw rod is rotatably connected to the two connecting beams, and the first motor is fixedly installed on one of the connecting beams. The bottom of the bearing plate further forms a driving block, and the driving block forms a first threaded hole matched with the first screw rod. The two bearing plates are driven to move by the horizontal adjusting mechanism, the distance between the two bearing plates is adjusted, and the lifting device is suitable for different types of automobiles, so that the application range of the lifting device is wider.

[0004] However, the automobile maintenance supporting device has certain limitations in the types of automobiles it can be used for and the fixing ability of the automobile hub, which leads to insufficient stability and certain safety hazards. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an automobile supporting device for automobile maintenance, which overcomes the problem of insufficient stability and certain safety hazards caused by the fixed distance between the limiting grooves on the bearing plate of the automobile maintenance supporting device in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model designs a kind of automobile support device for automobile maintenance, lifting assembly is respectively arranged in four support columns, the lifting of load-bearing plate can be driven, the lifting action of maintenance vehicle is realized, to assist maintenance personnel to support maintenance, the spacing between load-bearing plate is adjustable, different vehicle width of maintenance vehicle can be used, and reversible limiting assembly is arranged on load-bearing plate, so that limiting assembly can effectively clamp the tire of different wheelbase automobile, improve the stability and security of fixed maintenance vehicle.Specific scheme is as follows:

[0008] An automobile support device for automobile maintenance, comprising a top plate, and support columns arranged at the bottom of the top plate at the four corners, four support columns and the top plate form a support frame, lifting assembly is arranged inside each support column;

[0009] Two load-bearing plates for lifting maintenance vehicles are arranged inside the support frame on the front and rear sides respectively, two load-bearing plates are connected to the lifting assembly on the front and rear sides respectively, and a telescopic member is arranged between the lifting assembly and the load-bearing plate;

[0010] Limiting assembly for maintaining the stability of the automobile is arranged on the upper side of the both ends of the load-bearing plate, and the drive assembly inside the load-bearing plate is connected to the limiting assembly.

[0011] Preferably, the lifting assembly comprises a first motor, a threaded rod, a lifting block and a guide bearing rod, a lifting groove is formed in the length direction of the inside of the support column, and the threaded rod is vertically arranged in the lifting groove;

[0012] The first motor is installed on the top of the top plate, the threaded rod is connected to the output end of the first motor, the lifting block is threadedly connected to the threaded rod, and the lifting block is slidingly connected to the lifting groove;

[0013] The guide bearing rod is connected between the lifting blocks on the front and rear sides, the load-bearing plate is slidingly connected to the guide bearing rod, and the telescopic member is arranged on the lifting block.

[0014] Preferably, the telescopic member comprises a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder is installed on the lifting block, the hydraulic rod is connected to the hydraulic cylinder, and the output end of the hydraulic rod is connected to the load-bearing plate.

[0015] Preferably, the both ends of the load-bearing plate are respectively provided with slopes, the upper side of the both ends of the load-bearing plate is respectively provided with accommodating grooves, the limiting assembly is arranged in the accommodating groove, the drive assembly is installed in the middle of the inside of the load-bearing plate, and the drive assembly is connected to the limiting assembly.

[0016] Preferably, the limiting assembly includes a rotating shaft, a U-shaped flipping rod, a limiting roller, and a worm gear. The rotating shaft passes through the load-bearing plate and is located below the inner side of the receiving groove. The two ends of the U-shaped flipping rod are respectively connected to the two ends of the rotating shaft.

[0017] The limiting roller is rotatably connected to the middle of the U-shaped flipping rod, the limiting roller is located in the receiving groove, the worm gear is connected to the inner end of the rotating shaft, and the worm gear is connected to the drive assembly.

[0018] Preferably, the drive assembly includes a second motor, a counter-rotating worm gear, and a fixing plate, wherein there are two fixing plates, and the two fixing plates are fixedly connected to the inner sides of both ends of the load-bearing plate;

[0019] The worm gear is rotatably connected between the two fixed plates, and both ends of the worm gear are respectively connected to the worm wheel on the inner side of the load-bearing plate. The output end of the second motor is connected to one end of the worm gear.

[0020] The beneficial effects of this utility model are:

[0021] 1. In this utility model, the load-bearing plate can move up and down within the support frame through the lifting component, which can realize the lifting work of the vehicle under repair, so as to support the vehicle under repair for repair personnel to carry out repairs. Furthermore, the spacing between the load-bearing plates can be adjusted by the telescopic component, so that the spacing between the load-bearing plates meets the actual width of the vehicle under repair, thereby improving the applicability of the repair support device.

[0022] 2. This utility model has flip-able limiting components at both ends of the load-bearing plate. The limiting components can fix car tires with different wheelbases, further improving the applicability of the car repair device and ensuring the stability and safety of fixing the car, preventing the car from sliding or shaking during the repair process, and avoiding the existence of safety hazards. Attached Figure Description

[0023] Figure 1 This is a front view of the present invention;

[0024] Figure 2 for Figure 1 Schematic diagram of the cross section at point AA;

[0025] Figure 3 This is a side view of the present invention;

[0026] Figure 4 This is a schematic diagram of the inner structure of the load-bearing plate in this utility model;

[0027] Figure 5 This is a schematic diagram of the load-bearing plate in this utility model.

[0028] In the figure: 1 - support column; 11 - lifting groove; 12 - anchor; 2 - top plate; 3 - bearing plate; 31 - slope; 32 - containing groove; 33 - guide sliding hole; 4 - limiting assembly; 41 - rotating shaft; 42 - U-shaped turnover rod; 43 - limiting roller; 44 - worm gear; 5 - driving assembly; 51 - second motor; 52 - reverse worm; 53 - fixed plate; 6 - lifting assembly; 61 - threaded rod; 62 - lifting slider; 63 - guide bearing rod; 64 - first motor; 7 - telescopic part; 71 - hydraulic cylinder; 72 - hydraulic rod. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with embodiments and drawings, and the illustrative embodiments of the utility model and the description thereof are only used to explain the utility model and not as a limitation on the utility model.

[0030] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the utility model. However, it will be apparent to one of ordinary skill in the art that the utility model can be practiced without these specific details. In other instances, well-known structures, circuits, materials or processes have not been described in detail in order to avoid obscuring the utility model.

[0031] In the entire description, the mention of "one embodiment", "an embodiment", "one example" or "an example" means that the specific features, structures or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Therefore, the phrases "one embodiment", "an embodiment", "one example" or "an example" appearing in various places in the entire description do not necessarily refer to the same embodiment or example. In addition, specific features, structures or characteristics can be combined in one or more embodiments or examples in any appropriate combination and / or sub-combination. In addition, those of ordinary skill in the art should understand that the drawings provided herein are for illustrative purposes only and the drawings are not necessarily drawn to scale. The term "and / or" used herein includes any and all combinations of one or more of the relevant listed items.

[0032] In the description of the utility model, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the utility model.

[0033] As Figures 1-5As shown, the utility model provides a car support device for automobile maintenance, including roof 2, and the support column 1 of roof 1 bottom four corner positions, four support columns 1 and roof 2 constitute a support frame body, and the foot 12 is provided at the lower end of support column 1, in order to provide effective support space for the maintenance car, and ensure its stability, the inside of each support column 1 is provided with lifting assembly 6 respectively, the inside of support frame body is provided with two load-bearing plates 3 for lifting maintenance car respectively, two load-bearing plates 3 are connected on the lifting assembly 6 of front and back sides respectively, can place the car to be maintained on load-bearing plate 3, and the load-bearing plate 3 is driven to lift by lifting assembly 6, in order to lift the maintenance vehicle and meet the required maintenance, telescopic piece 7 is arranged between lifting assembly 6 and load-bearing plate 3, the distance between two load-bearing plates 3 can be adjusted by telescopic piece 7, to satisfy the support work of different width cars, the upper side of both ends of load-bearing plate 3 is provided with limiting assembly 4 for maintaining the stability of car respectively, limiting assembly 4 is connected with the drive assembly 5 in the inside of load-bearing plate 3, limiting assembly 4 is turned over by drive assembly 5, can firmly abut against the tire of maintenance car, realizes the effective fixation of maintenance car, fixes the car of different wheelbase on load-bearing plate 3, improves the application range of car support device for maintenance.

[0034] In the above scheme, lifting assembly 6 includes first motor 64, threaded rod 61, lifting slide 62 and guide bearing rod 63, lifting groove 11 is formed in the length direction of the inside of support column 1, threaded rod 61 is vertically arranged in lifting groove 11, first motor 64 is installed on the top of roof 1, threaded rod 61 is connected on the output end of first motor 64, lifting slide 62 is screw connected on threaded rod 61, lifting slide 62 is slidingly connected in lifting groove 11, guide bearing rod 63 is connected between the front and back lifting slides 62, load-bearing plate 3 is slidingly connected on guide bearing rod 63, telescopic piece 7 is arranged on lifting slide 62.

[0035] As an optimization technical scheme of the utility model, in the lifting process of load-bearing plate 3 driven by lifting assembly 6, first motor 64 will drive threaded rod 61 to rotate, and then drive lifting slide 62 to slide up and down in lifting groove 11 by the threaded connection relationship between threaded rod 61 and lifting slide 62, so as to drive load-bearing plate 3 to move up and down in the support frame body, and then realize the lifting work of the maintenance car on load-bearing plate 3, so as to lift load-bearing plate 3 to the appropriate position for maintenance personnel to maintain.

[0036] In the above scheme, telescopic piece 7 includes hydraulic cylinder 71 and hydraulic rod 72, hydraulic cylinder 71 is installed on lifting slide 62, hydraulic rod 72 is connected on hydraulic cylinder 71, and the output end of hydraulic rod 72 is connected on load-bearing plate 3.

[0037] As an optimization technical scheme of the utility model, in order to change the interval between the load-bearing plates 3 to meet the support of different width vehicles, the hydraulic cylinder 71 drives the hydraulic rod 72 to extend and retract during the interval adjustment of the load-bearing plates 3, and then the sliding fit relationship between the guide bearing rod 63 and the guide sliding hole 33 on the load-bearing plate 3 is utilized to make the load-bearing plates 3 approach or move away from each other on the guide bearing rod 63, so that the support of different vehicle width vehicles can be met, and the application range is improved.

[0038] In the above scheme, the load-bearing plate 3 is provided with a slope 31 at both ends, the load-bearing plate 3 is provided with a containing groove 32 on the upper side of both end portions, the limiting assembly 4 is arranged in the containing groove 32, and the driving assembly 5 is installed on the inner middle part of the load-bearing plate 3 and connected with the limiting assembly 4.

[0039] As an optimization technical scheme of the utility model, the slope 31 at both ends of the load-bearing plate 3 can make the maintenance vehicle move more smoothly on the load-bearing plate 3, and then the limiting assembly 4 driven by the driving assembly 5 can be abutted on the tire of the maintenance vehicle on the load-bearing plate 3 to fix it.

[0040] In the above scheme, the limiting assembly 4 includes a rotating shaft 41, a U-shaped turnover rod 42, a limiting roller 43 and a worm wheel 44, the rotating shaft 41 penetrates through the load-bearing plate 3, the rotating shaft 41 is located below the inner side of the containing groove 32, the U-shaped turnover rod 42 is connected at both ends of the rotating shaft 41 respectively, the limiting roller 43 is rotatably connected in the middle part of the U-shaped turnover rod 42, the limiting roller 43 is located in the containing groove 32, the worm wheel 44 is connected on the inner side end of the rotating shaft 41, and the worm wheel 44 is connected with the driving assembly 5.

[0041] As an optimization technical scheme of the utility model, when fixing the tire of the maintenance vehicle, the U-shaped turnover rod 42 can be rotated around the rotating shaft 41 to rotate out of the containing groove 32, so that the limiting roller 43 in the middle part of the U-shaped turnover rod 42 can be turned over and abutted on the outer side of the tire of the maintenance vehicle, the effective fixing of the maintenance vehicle is realized, the stability and safety are ensured, the two ends of the U-shaped turnover rod 42 are in the arc structure curved towards the middle part of the load-bearing plate 3, the U-shaped turnover rod 42 plays a certain hooking role in the clamping and fixing process, different vehicles with different wheelbase can be fixed through the turnover of the U-shaped turnover rod 42, and the application range is further improved.

[0042] In the above scheme, the driving assembly 5 includes a second motor 51, a reverse worm 52 and a fixed plate 53, the number of the fixed plate 53 is two, the two fixed plates 53 are fixedly connected on the inner side of the two end portions of the load-bearing plate, the reverse worm 52 is rotatably connected between the two fixed plates 53, the two ends of the reverse worm 52 are connected with the worm wheels 44 on the inner side of the load-bearing plate 3 respectively, and the output end of the second motor 51 is connected with one end of the reverse worm 52.

[0043] As an optimization technical scheme of the utility model, when the driving assembly 5 executes driving work, the second motor 51 drives the opposite worm 52, the opposite worm 52 will drive the two worm wheels 44 at both ends of the bearing plate 3 to rotate reversely by the matching relationship with the worm wheel 44, and then the two U-shaped turnover rods 42 on both sides can be driven to approach or move away from each other by the rotating shaft 41, so that the limiting roller 43 on it can be abutted on the tire of the automobile.

[0044] Specific implementation case:

[0045] When the automobile supporting device for automobile maintenance is used, the hydraulic cylinder 71 can drive the hydraulic rod 72 to extend or retract according to the width of the automobile to be maintained, and then drive the bearing plate 3 to approach or move away from each other on the guide bearing rod 63, so as to adjust the distance between the bearing plates 3.

[0046] Then, the driving assembly 5 can be started, the opposite worm 52 is driven to rotate by the second motor 51, the opposite worm 51 and the worm wheel 44 are matched, the rotating shaft 41 is driven to rotate by the worm wheel 44, and then the U-shaped turnover rod 42 is driven to approach each other, the limiting roller 43 is driven to rotate out of the accommodating groove 32 by the U-shaped turnover rod 42, and then rotates to the tire of the automobile to be maintained on the bearing plate 3 with different shaft distances, so as to clamp and fix the tire of the automobile to be maintained, improve the stability and safety of the automobile to be maintained, and ensure the application range of the device.

[0047] Finally, in order to facilitate the maintenance personnel to maintain the automobile to be maintained on the bearing plate 3, the threaded rod 61 can be driven to rotate by the first motor 64, the lifting block 62 is driven to move up and down in the lifting groove 11 by the threaded connection relationship between the threaded rod 61 and the lifting block 62, so as to lift the automobile to be maintained to the appropriate position, realize the effective support of the automobile to be maintained, and improve the convenience of the maintenance personnel.

[0048] The above specific implementation mode further details the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only a specific implementation mode of the utility model, and is not used to limit the protection scope of the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A car supporting device for car repair, comprising a top plate (2) and supporting columns (1) arranged at the bottom corners of the top plate (2), characterized in that: Four support columns (1) and the top plate (2) constitute a support frame, and each of the support columns (1) is provided with a lifting assembly (6) on the inner side thereof; Two load-bearing plates (3) for lifting and repairing vehicles are arranged on the front and rear sides of the support frame, and the two load-bearing plates (3) are connected to the lifting assemblies (6) on the front and rear sides, respectively, and a telescopic member (7) is arranged between the lifting assembly (6) and the load-bearing plate (3); The load-bearing plate (3) is provided with a limiting assembly (4) for maintaining the stability of the vehicle on the upper side of the two end portions thereof, and the limiting assembly (4) is connected to a driving assembly (5) located on the inner side of the load-bearing plate (3).

2. The automobile support apparatus according to claim 1, characterized by: The lifting assembly (6) comprises a first motor (64), a threaded rod (61), a lifting sliding block (62) and a guide bearing rod (63), and the lifting groove (11) is formed in the support column (1) along the length direction thereof; The first motor (64) is mounted on the top of the top plate (2), the threaded rod (61) is connected to the output end of the first motor (64), the lifting sliding block (62) is threadedly connected to the threaded rod (61), and the lifting sliding block (62) is slidably connected to the lifting groove (11); The guide bearing rod (63) is connected between the lifting sliding blocks (62) on the front and rear sides, the load-bearing plate (3) is slidably connected to the guide bearing rod (63), and the telescopic member (7) is arranged on the lifting sliding block (62).

3. The automobile support apparatus according to claim 2, characterized by: The telescopic member (7) comprises a hydraulic cylinder (71) and a hydraulic rod (72), the hydraulic cylinder (71) is mounted on the lifting sliding block (62), the hydraulic rod (72) is connected to the hydraulic cylinder (71), and the output end of the hydraulic rod (72) is connected to the load-bearing plate (3).

4. The automobile support apparatus according to claim 1, characterized by: The load-bearing plate (3) is provided with a slope (31) at each end thereof, the load-bearing plate (3) is provided with a receiving groove (32) on the upper side of each end portion thereof, the limiting assembly (4) is arranged in the receiving groove (32), the driving assembly (5) is mounted on the inner side of the load-bearing plate (3), and the driving assembly (5) is connected to the limiting assembly (4).

5. The automobile support apparatus according to claim 4, characterized by: The limiting assembly (4) comprises a rotating shaft (41), a U-shaped turnover rod (42), a limiting roller (43) and a worm wheel (44), the rotating shaft (41) penetrates through the load-bearing plate (3), the rotating shaft (41) is located below the inner side of the receiving groove (32), and the U-shaped turnover rod (42) is connected to the two ends of the rotating shaft (41), respectively; The limiting roller (43) is rotatably connected to the middle portion of the U-shaped turnover rod (42), the limiting roller (43) is located in the receiving groove (32), the worm wheel (44) is connected to the inner side end portion of the rotating shaft (41), and the worm wheel (44) is connected to the driving assembly (5).

6. The automobile support apparatus according to claim 5, wherein: The driving assembly (5) comprises a second motor (51), a reverse worm (52) and two fixed plates (53), the two fixed plates (53) are fixedly connected to the inner sides of the two end portions of the load bearing plate (3); The reverse worm (52) is rotatably connected between the two fixed plates (53), the two ends of the reverse worm (52) are connected with the worm gears (44) on the inner sides of the load bearing plate (3), and the output end of the second motor (51) is connected with one end of the reverse worm (52).

Citation Information

Patent Citations

  • Lifting device for automobile maintenance

    CN220951018U