Automobile front push arm position degree detection device

By designing a vehicle front pusharm position detection device, and utilizing structures such as a base plate, upright, guide cylinder, and elastic positioning column, the problem of low efficiency in traditional clamping is solved, enabling rapid and accurate detection of the position of each hole in the front pusharm.

CN224202427UActive Publication Date: 2026-05-05WUHAN CHUKAI AUTOMOBILE PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHAN CHUKAI AUTOMOBILE PARTS CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Traditional clamping and measurement methods are inefficient for irregularly shaped automotive front pusharms, resulting in a large workload of disassembly and assembly during inspection and making it impossible to quickly and accurately measure the positional accuracy of each hole.

Method used

A device for detecting the position of a front pusharm in an automobile is designed. It utilizes a base plate, a stand, a guide cylinder, a positioning cylinder, and a detection rod, combined with an elastic material positioning column and a three-bar mechanical clamping mechanism, to achieve efficient fixation of the front pusharm and multi-hole position detection.

Benefits of technology

It enables rapid and accurate detection of the position of each hole in the front push arm. It has a simple and compact structure, is easy to disassemble and assemble, and is suitable for continuous detection at multiple workstations.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224202427U_ABST
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Abstract

The utility model belongs to the technical field of automobile part processing detection auxiliary equipment, and especially relates to an automobile front push arm position degree detection device. Comprising a bottom plate, a vertical frame, a guide cylinder, a positioning cylinder, a detection rod, a first positioning column, a pressing rod and a pressing plate. The bottom plate is horizontally arranged, the vertical frame is arranged on the upper end face of the bottom plate, a mounting plate face is arranged on the top of the vertical frame, a guide cylinder mounting hole is formed in the mounting plate face, and the guide cylinder is mounted in the guide cylinder mounting hole. A positioning cylinder mounting hole is formed in the bottom plate, and the positioning cylinder is mounted in the positioning cylinder mounting hole; the pressing rod is arranged on the front side of the upper end face of the bottom plate and is close to the front pushing arm. The device is simple and compact in structure and convenient to fix, the original structure of the automobile front push arm is used for positioning and clamping, effective fixing and clamping can be achieved through a single stress application point, then the device can be used for rapidly detecting and analyzing the position degree of each hole, disassembly and assembly are convenient and efficient, and position degree detection of multiple stations can be completed rapidly and continuously.
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Description

Technical Field

[0001] This utility model belongs to the technical field of auxiliary equipment for processing and testing automotive parts, and in particular relates to a device for detecting the position of a front pusharm of an automobile. Background Technology

[0002] The front pusharm is a component of the automotive powertrain. It features an irregular Y-shaped structure with two high-coaxial-precision holes on the Y-fork and a high-density bushing structure at the rear. During the manufacturing process, the positions of the holes on the Y-fork and the bushing structure need to be inspected. Due to the irregular shape of the pusharm, traditional clamping and measurement methods are inefficient for irregularly shaped parts. Inspection requires the use of several fixed support structures, resulting in a large workload of disassembly and assembly, and hindering the rapid and accurate measurement of the positional accuracy of the holes on the front pusharm. Utility Model Content

[0003] The purpose of this invention is to provide a clamping and testing device suitable for detecting the position of the front pusharm of an automobile, based on the actual processing and testing requirements, so as to efficiently and quickly complete the position detection of each hole of the front pusharm.

[0004] To achieve the above objectives, the present invention adopts the following technical solution.

[0005] A vehicle front pusharm position detection device includes a base plate 1, a stand 2, a guide cylinder 3, a positioning cylinder 4, a detection rod 5, a first positioning column 6, a pressure rod 7, and a pressure plate 8;

[0006] The base plate 1 is set horizontally, and the upright frame 2 is set on the rear side of the upper end face of the base plate 1. The top of the upright frame 2 is provided with a forward-extending mounting plate surface 20. The mounting plate surface 20 is provided with a vertically downward guide cylinder mounting hole, and the guide cylinder 3 is installed in the guide cylinder mounting hole. The base plate 1 is provided with a positioning cylinder mounting hole at the position directly opposite to the guide cylinder mounting hole, and the positioning cylinder 4 is installed in the positioning cylinder mounting hole.

[0007] The first positioning post 6 is fixed in the positioning cylinder, and the top of the first positioning post 6 is provided with a tapered positioning part 60 for abutting against the bottom shaft hole of the rear end of the front push arm 9.

[0008] The detection rod 5 is slidably inserted into the guide cylinder 3. The guide cylinder 3, the positioning cylinder 4, the detection rod 5 and the first positioning post 6 are coaxially arranged. The lower end of the detection rod 5 is provided with a detection shaft section 50 that can pass through the guide cylinder 3 and match the rear shaft hole of the front push arm 9.

[0009] The pressure bar 7 is located on the front side of the upper end of the base plate 1 and close to the front section of the front push arm 9. The middle part of the pressure bar 7 is connected to the base plate 1. One end of the pressure bar 7 can press down on the front section of the front push arm 9 and the other end forms a handle 70.

[0010] Further improvements or preferred embodiments of the aforementioned automotive front pusharm position detection device also include:

[0011] The base plate 1 is provided with a front positioning hole that is directly opposite to the front shaft hole of the front push arm 9. A positioning cylinder 4 is provided in the front positioning hole, and a second positioning post 13 that can abut against the front shaft hole of the front push arm 9 is installed on the top of the positioning cylinder 4.

[0012] A pressure plate 9 is provided on one side of the pressure rod 7 that presses against the front push arm 9. A sealing test hole is carved out on the pressure plate 9, and the sealing test hole is connected to an external airtightness detection tube.

[0013] A further improvement or preferred embodiment of the aforementioned automotive front pusharm position detection device is provided, wherein the pressure plate 8 is provided with a test hole that is directly opposite to the front end mounting hole of the front pusharm 9, a test cylinder 10 is installed in the test hole, and a test rod 11 is provided in the test cylinder 10.

[0014] The test rod 11 is divided into a test shaft section 110 that can extend into the front mounting hole of the front push arm 9, a positioning shaft section 111 that can extend into the test cylinder 10, and a limiting shaft section 112 located at the lower end of the positioning shaft section 111.

[0015] The outer diameter of the positioning shaft section 111 matches the inner diameter of the test cylinder 10, and the outer diameter of the limiting shaft section 112 is greater than the outer diameter of the positioning shaft section 111.

[0016] A pre-tightening spring 12 is provided at the upper end of the limiting shaft section 112; the upper end of the pre-tightening spring 12 abuts against the test cylinder 10 or the lower end of the bottom plate 1 abuts against the limiting shaft section 112, so that the test rod 11 has a downward tendency to move.

[0017] A further improvement or preferred embodiment of the aforementioned automotive front pusharm position detection device, wherein the pressure rod 7 adopts a three-bar mechanical clamping mechanism, including a support base 71, an L-shaped pressure rod 72, a L-shaped operating rod 73, and a movable connecting rod 74;

[0018] Support 71 is fixed on base plate 1;

[0019] The long arm of the L-shaped pressure bar 72 faces the front push arm 9, and the end of the broken arm is hinged to the support seat 71.

[0020] The end of the L-shaped operating lever 73 is hinged to the junction of the long broken arm of the L-shaped pressure lever 72;

[0021] One end of the movable link 74 is hinged to the support base 71, and the other end is hinged to the bending area of ​​the L-shaped operating rod 73.

[0022] In a further improvement or preferred embodiment of the aforementioned automotive front pusharm position detection device, the pressure plate 9, the first positioning post 6, and the second positioning post 13 are made of elastic material.

[0023] A further improvement or preferred embodiment of the aforementioned automotive front pusharm position detection device includes a shock-absorbing pad 15 provided at the bottom of the base plate 1.

[0024] Its beneficial effects are as follows:

[0025] This utility model relates to a vehicle front pusharm position measurement device, which has a simple and compact structure and is easy to fix. It uses the original structure of the vehicle front pusharm for positioning and clamping, and can achieve effective fixing and clamping with a single force application point. After that, the device can quickly perform position measurement and analysis of each hole. It is easy to assemble and disassemble and is efficient. It can quickly and continuously complete the position measurement of multiple workstations. Attached Figure Description

[0026] Figure 1 This is a front view of the vehicle's front pusharm position detection device;

[0027] Figure 2 This is a side view of the automotive front pusharm position detection device;

[0028] Figure 3 This is a cross-sectional view of a vehicle front pusharm position detection device;

[0029] Figure 4 This is an oblique view of the automotive front pusharm position detection device;

[0030] Figure 5 This is a partial cross-sectional view of a vehicle front pusharm position detection device;

[0031] The reference numerals in the attached figures include:

[0032] 1. Base plate, 2. Stand, 20. Mounting plate, 3. Guide cylinder, 4. Positioning cylinder, 5. Detection rod, 50. Detection shaft section, 6. First positioning post, 60. Conical positioning part, 7. Pressure rod, 70. Handle, 71. Support seat, 72. L-shaped pressure rod, 73. Horizontal operating rod, 74. Movable connecting rod, 8. Pressure plate, 9. Front push arm, 10. Test cylinder, 11. Test rod, 110. Test shaft section, 111. Positioning shaft section, 112. Limiting shaft section, 12. Preload spring, 13. Second positioning post, 15. Shock-absorbing pad. Detailed Implementation

[0033] The present invention will be described in detail below with reference to specific embodiments.

[0034] This utility model relates to a position detection device for a front pusharm of an automobile. It is mainly used in the processing of the front pusharm of an automobile to detect and analyze the relative positional relationship and coaxiality of the holes on the front pusharm, so as to ensure the processing quality of the product.

[0035] like Figure 1 , Figure 2As shown, the main structure of the automotive front pusharm position detection device of this utility model includes a base plate 1, a stand 2, a guide cylinder 3, a positioning cylinder 4, a detection rod 5, a first positioning column 6, a pressure rod 7, and a pressure plate 8.

[0036] The base plate 1 is horizontally positioned and mainly serves as a testing platform, while also facilitating the positioning and installation of other structural components. To reduce vibration and noise generated by the movement of the mechanism during testing, in this embodiment, shock-absorbing pads 15 are provided at the bottom of the base plate 1.

[0037] The upright frame 2 is located on the rear side of the upper end face of the base plate 1. The top of the upright frame 2 is provided with a forward-extending mounting plate 20. The mounting plate 20 is provided with a vertically downward guide cylinder mounting hole, and the guide cylinder 3 is installed in the guide cylinder mounting hole. The base plate 1 is provided with a positioning cylinder mounting hole at the position directly opposite to the guide cylinder mounting hole, and the positioning cylinder 4 is installed in the positioning cylinder mounting hole.

[0038] The first positioning post 6 is fixed in the positioning cylinder, and the top of the first positioning post 6 is provided with a tapered positioning part 60 for abutting against the bottom shaft hole of the rear end of the front push arm 9.

[0039] The detection rod 5 is slidably inserted into the guide cylinder 3. The guide cylinder 3, the positioning cylinder 4, the detection rod 5 and the first positioning post 6 are coaxially arranged. The lower end of the detection rod 5 is provided with a detection shaft section 50 that can pass through the guide cylinder 3 and match the rear shaft hole of the front push arm 9.

[0040] The pressure bar 7 is located on the front side of the upper end of the base plate 1 and close to the front section of the front push arm 9. The middle part of the pressure bar 7 is connected to the base plate 1. One end of the pressure bar 7 can press down on the front section of the front push arm 9 and the other end forms a handle 70.

[0041] In particular, in order to achieve airtightness testing of the front end shaft hole of the push arm, this embodiment also includes a further improvement scheme based on the above.

[0042] Specifically, the base plate 1 is provided with a front positioning hole that is directly opposite to the front shaft hole of the front push arm 9. A positioning cylinder 4 is provided in the front positioning hole, and a second positioning post 13 that can abut against the front shaft hole of the front push arm 9 is installed on the top of the positioning cylinder 4.

[0043] A pressure plate 9 is provided on one side of the pressure rod 7 that presses against the front push arm 9. A sealing test hole is carved out on the pressure plate 9, and the sealing test hole is connected to an external airtightness detection tube.

[0044] In this embodiment, the pressure rod 7 adopts a three-bar mechanical clamping mechanism, including a support base 71, an L-shaped pressure rod 72, a horizontal operating rod 73, and a movable connecting rod 74.

[0045] Support 71 is fixed on base plate 1;

[0046] The long arm of the L-shaped pressure bar 72 faces the front push arm 9, and the end of the broken arm is hinged to the support seat 71.

[0047] The end of the L-shaped operating lever 73 is hinged to the junction of the long broken arm of the L-shaped pressure lever 72;

[0048] One end of the movable link 74 is hinged to the support base 71, and the other end is hinged to the bending area of ​​the L-shaped operating rod 73.

[0049] Furthermore, in order to ensure the accurate relative positional relationship between the four mounting holes at the front end of the push arm and each shaft hole, and to achieve precise measurement of the position of each mounting hole, this embodiment also includes an improved structure for detecting the position of the mounting holes. Specifically, the pressure plate 8 is provided with a test hole that is directly opposite to the mounting hole at the front end of the push arm 9, a test cylinder 10 is installed in the test hole, and a test rod 11 is provided in the test cylinder 10.

[0050] The test rod 11 is divided into a test shaft section 110 that can extend into the front mounting hole of the front push arm 9, a positioning shaft section 111 that can extend into the test cylinder 10, and a limiting shaft section 112 located at the lower end of the positioning shaft section 111.

[0051] The outer diameter of the positioning shaft section 111 matches the inner diameter of the test cylinder 10, and the outer diameter of the limiting shaft section 112 is greater than the outer diameter of the positioning shaft section 111.

[0052] A pre-tightening spring 12 is provided at the upper end of the limiting shaft section 112; the upper end of the pre-tightening spring 12 abuts against the test cylinder 10 or the lower end of the bottom plate 1 abuts against the limiting shaft section 112, so that the test rod 11 has a downward tendency to move.

[0053] As a preferred improvement, in order to avoid damaging the machined surface of the front push arm while ensuring effective fixation, the pressure plate 9, the first positioning post 6, and the second positioning post 13 can be made of elastic materials, such as rubber, in specific implementation.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A device for detecting the position of a front pusharm in an automobile, characterized in that, It includes a bottom plate (1), a vertical frame (2), a guide cylinder (3), a positioning cylinder (4), a detection rod (5), a first positioning column (6), and a pressing rod (7); The bottom plate (1) is horizontally arranged. The vertical frame (2) is arranged at the rear side of the upper end surface of the bottom plate (1). There is an installation plate surface (20) extending forward at the top of the vertical frame (2). There is a vertically downward guide cylinder installation hole on the installation plate surface (20), and the guide cylinder (3) is installed in the guide cylinder installation hole. At the position of the bottom plate (1) opposite to the guide cylinder installation hole, there is a positioning cylinder installation hole, and the positioning cylinder (4) is installed in the positioning cylinder installation hole; The first positioning column (6) is fixed in the positioning cylinder. There is a conical positioning portion (60) at the top of the first positioning column (6) for abutting against the bottom shaft hole at the rear end of the front push arm (9); The detection rod (5) is inserted into the guide cylinder (3) in a slidable up-and-down manner. The guide cylinder (3), the positioning cylinder (4), the detection rod (5), and the first positioning column (6) are coaxially arranged. There is a detection shaft segment (50) at the lower end of the detection rod (5) that can pass through the guide cylinder (3) and match the shaft hole at the rear end of the front push arm (9); The pressing rod (7) is arranged at the front side of the upper end surface of the bottom plate (1) and close to the front segment of the front push arm (9). The middle part of the pressing rod (7) is connected to the bottom plate (1). One end of the pressing rod (7) can press the front segment of the front push arm (9), and the other end forms a grip (70).

2. The automotive front pusharm position detection device according to claim 1, characterized in that, It also includes; There is a front positioning hole on the bottom plate (1) opposite to the shaft hole at the front end of the front push arm (9). There is a positioning cylinder (4) in the front positioning hole. There is a second positioning column (13) installed at the top of the positioning cylinder (4) for abutting against the shaft hole at the front end of the front push arm (9); There is a pressing plate (8) on the side where the pressing rod (7) presses the front push arm (9). There is a sealed measurement hole dug on the pressing plate (8), and the sealed measurement hole is connected to an external airtight detection tube.

3. The automotive front pusharm position detection device according to claim 2, characterized in that, There is a test hole on the pressing plate (8) opposite to the installation hole at the front end of the front push arm (9). A test cylinder (10) is installed in the test hole. There is a test rod (11) in the test cylinder (10); The test rod (11) is divided into a test shaft segment (110) at the front segment that can extend into the installation hole at the front end of the front push arm (9), a positioning shaft segment (111) at the middle segment that can extend into the test cylinder (10), and a limiting shaft segment (112) at the lower end of the positioning shaft segment (111); The outer diameter of the positioning shaft segment (111) matches the inner diameter of the test cylinder (10), and the outer diameter of the limiting shaft segment (112) is larger than the outer diameter of the positioning shaft segment (111); There is a pre-tightening spring (12) at the upper end of the limiting shaft segment (112). The upper end of the pre-tightening spring (12) abuts against the test cylinder (10) or the lower end surface of the bottom plate (1) abuts against the limiting shaft segment (112), so that the test rod (11) has a tendency to move downward.

4. The automotive front pusharm position detection device according to claim 1, characterized in that, The pressing rod (7) adopts a three-link mechanical pressing mechanism, including a support seat (71), an L-shaped pressing rod (72), a J-shaped operating rod (73), and a movable connecting rod (74); The support seat (71) is fixed on the bottom plate (1); The long arm of the L-shaped pressing rod (72) faces the front push arm (9), and the end of the short arm is hinged on the support seat (71); The end of the J-shaped operating rod (73) is hinged at the junction of the long and short arms of the L-shaped pressing rod (72); One end of the movable link (74) is hinged to the support base (71), and the other end is hinged to the bending area of ​​the L-shaped operating rod (73).

5. The automotive front pusharm position detection device according to claim 1, characterized in that, The pressure plate (8), the first positioning post (6), and the second positioning post (13) are made of elastic material.

6. The automotive front pusharm position detection device according to claim 1, characterized in that, The bottom of the base plate (1) is provided with shock-absorbing pads (15).