An automatic inspection tool for automobile rear axles

CN224616112UActive Publication Date: 2026-08-11安徽省尚展模具工业有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-10
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

[0003]现有的用于汽车后桥驱动轴的检测工具多为支撑架和扫描仪组合而成,通过支撑架对驱动轴进行支撑,然后通过扫描仪对驱动轴进行扫描检查,但是现有的检具的支撑架的结构相对固定,不方便调节对驱动轴的支撑位置,且在支撑时不方便对驱动轴进行灵活翻转,影响扫描仪的检查效率,为此本领域技术人员提出了一种汽车后桥自动检具,以解决上述背景中提出的问题

Benefits of technology

[0011]本实用新型具有以下有益之处:该检具通过双向螺纹杆、第一驱动件、活动块等配合对两个承载板的距离进行调节,使得承载板能够对后桥驱动轴的不同位置进行支撑,方便根据不同的后桥驱动轴来找到合适的支撑点来方便翻转,承载板移动使会带动转动辊在多边形转杆上滑动,通过第二驱动件、多边形转杆配合能够带动两个承载板上的转动辊同步转动,进而带动后桥驱动轴转动,方便对后桥驱动轴进行扫描自检,通过轨道支架能够灵活调节扫描仪的位置,实现自动检查,操作方便快捷。

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Abstract

This utility model relates to the technical field of automotive inspection tools, specifically an automatic inspection tool for automotive rear axles. It includes a worktable with an adjustment frame mounted on it. The adjustment frame has two adjustable movable blocks, each with a support rod at its top. The top of the support rod is connected to the outer side wall of a support plate. A rotating roller and a support roller are respectively located at the bottom center and both sides of the support plate. Vertical plates are connected to the top of both ends of the adjustment frame, and a polygonal rotating rod is positioned between the two vertical plates. The rotating roller and the polygonal rotating rod are interlocked. A track bracket is mounted at one end of the worktable, and a scanner is mounted on the track bracket. By adjusting the position of the movable blocks, the support plate supports different positions of the drive shaft. The polygonal rotating rod drives the rotating roller to rotate, thereby flipping the drive shaft, facilitating rapid self-inspection by the scanner.
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Description

Technical Field

[0001] This utility model relates to the technical field of automotive inspection tools, specifically an automatic inspection tool for automotive rear axles. Background Technology

[0002] The rear axle of a car refers to the rear drive shaft component that transmits power to the vehicle. It consists of two half-axles and can implement differential movement between the half-axles. At the same time, it is also a device used to support the wheels and connect the rear wheels. The drive shaft inside the rear axle needs to be inspected before assembly or during maintenance.

[0003] Existing inspection tools for automotive rear axle drive shafts are mostly combinations of support frames and scanners. The support frame supports the drive shaft, and then the scanner scans and inspects the drive shaft. However, the structure of the support frame of existing inspection tools is relatively fixed, making it inconvenient to adjust the support position of the drive shaft, and it is also inconvenient to flexibly rotate the drive shaft while supporting it, which affects the inspection efficiency of the scanner. Therefore, those skilled in the art have proposed an automatic inspection tool for automotive rear axles to solve the problems mentioned in the background. Utility Model Content

[0004] The purpose of this invention is to provide an automatic inspection tool for automotive rear axles to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An automatic inspection tool for automotive rear axles includes a workbench. An adjustment frame is mounted at the center of the top of the workbench. A movable groove is provided at the top of the adjustment frame, and a bidirectional threaded rod is rotatably connected within the movable groove. A first driving component is mounted on the outer wall of one end of the adjustment frame, and the output end of the first driving component is connected to one end of the bidirectional threaded rod. Two movable blocks are symmetrically arranged within the movable groove, and the two movable blocks are symmetrically threaded onto the bidirectional threaded rod. A support rod is mounted at the top of each movable block, and the top of the support rod is connected to the side outer wall of a support plate. A rotating roller is provided at the center of the bottom of the support plate, and support rollers are provided on both sides of the bottom of the support plate. Vertical plates are connected to the top of both ends of the adjustment frame, and a polygonal rotating rod is rotatably connected between the tops of the two vertical plates. The rotating roller and the polygonal rotating rod are interlocked. A second driving component is mounted on the outer wall of one of the vertical plates, and the output end of the second driving component is connected to one end of the polygonal rotating rod. A track bracket is mounted at one end of the workbench, and a scanner is mounted on the track bracket.

[0007] As a further embodiment of this utility model: the bearing plate is in the shape of a semi-cylindrical tube, a first groove is provided at the center of the bottom of the bearing plate, and second grooves are provided on both sides of the bottom of the bearing plate. The support roller is rotatably connected to the second groove through a roller shaft. The upper part of the rotating roller is placed in the first groove, and the middle and lower parts of the rotating roller are placed outside the bearing plate.

[0008] As a further embodiment of this invention: a polygonal groove is provided on the rotating roller along its central axis, and the shape and size of the polygonal groove correspond to the shape and size of the polygonal rotating rod.

[0009] As a further improvement of this utility model: both the support roller and the rotating roller are made of rubber, and the surface of the rotating roller is provided with an anti-slip texture structure.

[0010] As a further embodiment of this utility model: an electric slide rail is horizontally mounted on the top of the track bracket, the electric slide rail is located directly below the polygonal rotating rod, an electric slider is mounted on the electric slide rail, and a mounting frame is connected to the bottom of the electric slider. The scanner is detachably mounted in the mounting frame.

[0011] This utility model has the following advantages: The inspection tool adjusts the distance between the two support plates through the cooperation of a bidirectional threaded rod, a first driving component, and a movable block, so that the support plates can support different positions of the rear axle drive shaft. This makes it convenient to find a suitable support point for different rear axle drive shafts for easy flipping. The movement of the support plates causes the rotating rollers to slide on the polygonal rotating rod. Through the cooperation of the second driving component and the polygonal rotating rod, the rotating rollers on the two support plates can be driven to rotate synchronously, thereby driving the rear axle drive shaft to rotate. This facilitates scanning and self-inspection of the rear axle drive shaft. The position of the scanner can be flexibly adjusted through the track bracket to achieve automatic inspection. The operation is convenient and quick. Attached Figure Description

[0012] Figure 1 This is a front view of the overall internal structure of an embodiment of the present utility model.

[0013] Figure 2 This is a side view of the external structure of the support plate in an embodiment of this utility model.

[0014] Figure 3 This is a side view of the internal structure of the support plate in an embodiment of this utility model.

[0015] Figure 4 The polygonal rotating rod is shown in the embodiment of this utility model.

[0016] Figure 5 for Figure 1 Enlarged diagram of part A in the image.

[0017] In the diagram: 1. Workbench; 2. Adjustment frame; 201. Movable groove; 202. Bidirectional threaded rod; 203. Movable block; 204. First driving component; 205. Support rod; 206. Vertical plate; 207. Polygonal rotating rod; 208. Second driving component; 3. Track support; 301. Electric slide rail; 302. Electric slider; 303. Mounting frame; 4. Scanner; 5. Bearing plate; 501. Rotating roller; 502. Support roller; 503. Polygonal groove; 504. Roller shaft; 505. First slot; 506. Second slot; 6. Control box. Detailed Implementation

[0018] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] The technical solution of this utility model will be further described in detail below with reference to specific embodiments.

[0022] Example 1: Please refer to Figures 1 to 5An automatic inspection tool for automotive rear axles includes a workbench 1. An adjusting frame 2 is mounted at the center of the top of the workbench 1. A movable groove 201 is provided at the top of the adjusting frame 2. A bidirectional threaded rod 202 is rotatably connected within the movable groove 201. A first driving member 204 is mounted on the outer wall of one end of the adjusting frame 2. The output end of the first driving member 204 is connected to one end of the bidirectional threaded rod 202. Two movable blocks 203 are symmetrically arranged within the movable groove 201. The two movable blocks 203 are symmetrically threaded onto the bidirectional threaded rod 202. The sides and bottoms of the movable blocks 203 slide against the inner wall of the movable groove 201. A support rod is mounted at the top of each movable block 203. 205, the top of the support rod 205 is connected to the outer side wall of the support plate 5. A rotating roller 501 is provided at the center of the bottom of the support plate 5. Support rollers 502 are provided on both sides of the bottom of the support plate 5. Vertical plates 206 are connected to the top of both ends of the adjustment frame 2. A polygonal rotating rod 207 is rotatably connected between the tops of the two vertical plates 206. The rotating roller 501 and the polygonal rotating rod 207 are interlocked. A second driving member 208 is installed on the outer wall of one of the vertical plates 206. The output end of the second driving member 208 is connected to one end of the polygonal rotating rod 207. A track bracket 3 is installed at one end of the worktable 1. A scanner 4 is installed on the track bracket 3.

[0023] Please see Figures 2 to 4 The bearing plate 5 is semi-cylindrical. A first groove 505 is provided at the center of the bottom of the bearing plate 5, and second grooves 506 are provided on both sides of the bottom of the bearing plate 5. The support roller 502 is rotatably connected to the second groove 506 through the roller shaft 504. The upper part of the rotating roller 501 is placed in the first groove 505, and the middle and lower parts of the rotating roller 501 are placed outside the bearing plate 5. A polygonal groove 503 is provided on the rotating roller 501 along its central axis. The shape and size of the polygonal groove 503 correspond to the shape and size of the polygonal rotating rod 207. The bearing plate 5 is detachably installed on the top of the support rod 205. When bearing different rear axle drive shafts, the bearing plate 5 with the corresponding inner size can be replaced.

[0024] Example 1: Based on Example 1, both the support roller 502 and the rotating roller 501 are made of rubber. The surface of the rotating roller 501 is provided with an anti-slip texture structure to ensure the flipping effect of the rotating roller 501.

[0025] Please see Figure 1An electric slide rail 301 is horizontally mounted on the top of the track support 3. The electric slide rail 301 is located directly below the polygonal rotating rod 207. An electric slider 302 is mounted on the electric slide rail 301. A mounting frame 303 is connected to the bottom of the electric slider 302. The scanner 4 is detachably mounted in the mounting frame 303. The electric slide rail 301 can be an electric drive slide rail. By incorporating a closed-loop stepper motor and a Hall position sensor, it has precise position control and motion control functions. Two vertical electric slide rails 301 can be used together to make the scanner 4 move a wider range of paths. The scanner 4 is a high-precision 3D laser scanner 4 with a measurement accuracy of up to 0.020mm and a scanning rate of 1,350,000 measurements / second, which can complete the scanning and detection of the rear axle drive shaft in a short time. The first drive component 204 and the second drive component 208 are both servo motors. A control box 6 is provided on the worktable 1. The control box 6 contains controllers corresponding to the models of each component. The operation of each component can be controlled through the control box 6.

[0026] Working principle: The support point is selected according to the shape and size of the rear axle drive shaft. Generally, a thinner cylindrical part is selected as the support point. The first driving component 204 drives the bidirectional threaded rod 202 to rotate, which in turn drives the movable block 203 to move, thereby adjusting the position of the two bearing plates 5. The rear axle drive shaft is placed on the bearing plate 5 and supported by the rotating roller 501 and the support roller 502. The position of the electric slider 302 is adjusted by the electric slide rail 301, which in turn adjusts the position of the scanner 4 to scan and inspect the rear axle drive shaft. The second driving component 208 drives the polygonal rotating rod 207 to rotate, which in turn drives the rotating roller 501 to rotate, and then drives the rear axle drive shaft to rotate through friction, thereby flipping the rear axle drive shaft so that the scanner 4 can continue to inspect.

[0027] All components of this utility model are general standard parts or parts known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automatic inspection tool for automotive rear axles, comprising a workbench, characterized in that, An adjustment frame is installed at the top center of the workbench. A movable groove is provided at the top of the adjustment frame, and a bidirectional threaded rod is rotatably connected within the movable groove. A first driving component is installed on the outer wall of one end of the adjustment frame, and the output end of the first driving component is connected to one end of the bidirectional threaded rod. Two movable blocks are symmetrically arranged within the movable groove, and the two movable blocks are symmetrically threaded onto the bidirectional threaded rod. A support rod is installed at the top of each movable block, and the top of the support rod is connected to the side outer wall of the support plate. A rotating roller is provided at the center of the bottom of the support plate, and support rollers are provided on both sides of the bottom of the support plate. Vertical plates are connected to the top of both ends of the adjustment frame, and a polygonal rotating rod is rotatably connected between the tops of the two vertical plates. The rotating roller and the polygonal rotating rod are interlocked. A second driving component is installed on the outer wall of one of the vertical plates, and the output end of the second driving component is connected to one end of the polygonal rotating rod. A track bracket is installed at one end of the workbench, and a scanner is installed on the track bracket.

2. The automatic inspection fixture for automotive rear axles according to claim 1, characterized in that, The support plate is in the shape of a semi-cylindrical tube. A first groove is provided in the center of the bottom of the support plate, and second grooves are provided on both sides of the bottom of the support plate. The support roller is rotatably connected to the second groove through a roller shaft. The upper part of the rotating roller is placed in the first groove, and the middle and lower parts of the rotating roller are placed outside the support plate.

3. The automatic inspection fixture for automotive rear axles according to claim 2, characterized in that, The rotating roller has a polygonal groove along its central axis, and the shape and size of the polygonal groove correspond to the shape and size of the polygonal rotating rod.

4. The automatic inspection fixture for automotive rear axles according to claim 2, characterized in that, Both the support roller and the rotating roller are made of rubber, and the surface of the rotating roller is provided with an anti-slip textured structure.

5. An automatic inspection fixture for automotive rear axles according to claim 1, characterized in that, An electric slide rail is horizontally mounted on the top of the track bracket. The electric slide rail is located directly below the polygonal rotating rod. An electric slider is mounted on the electric slide rail. A mounting frame is connected to the bottom of the electric slider. The scanner can be detachably mounted in the mounting frame.