Automobile transmission shaft inner and outer diameter detection equipment

By designing an inner diameter detection unit and an inner diameter cleaning unit for automobile transmission shafts, the problems of low internal diameter detection accuracy and influence of oil pollution impurities are solved, and high-precision and reliable internal and external diameter detection are achieved.

CN222951658UActive Publication Date: 2025-06-06EXXON (WUHAN) ENG TECH CO LTD
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Patent Information

Application Number
CN202421578343.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-06-06
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

It is difficult for existing detection devices to accurately detect the inner diameter of the vehicle transmission shaft, especially when the inner diameter space is small and oil-filled impurities are easily retained, resulting in detection errors.

Method used

An automobile drive shaft detection device including an inner diameter detection unit and an inner diameter cleaning unit is designed. The inner diameter detection unit extends into the inner diameter depth of the transmission shaft through the linkage moving parts for detection, and the inner diameter cleaning unit automatically cleanses the inner cavity wall during the detection process to avoid oil contamination and impurities affecting the detection accuracy.

Benefits of technology

It effectively solves the accuracy problem of inner diameter detection of the transmission shaft, reduces detection errors, and ensures the accuracy and reliability of inner diameter detection of the transmission shaft.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an internal and external diameter detection device for an automobile transmission shaft, and the device comprises a transmission shaft clamping unit, a supporting cylinder, and an internal diameter detection unit, and is suitable for the detection of the internal and external diameters of the automobile transmission shaft. In order to solve the problems that ordinary detection equipment is inconvenient to detect the inner diameter of the transmission shaft and is difficult to go deep into the deep part of the inner diameter for detection, the application designs an inner diameter detection unit, and the inner diameter detection unit can effectively extend into the deep part of the inner diameter of the transmission shaft and detect different positions, and further, in order to solve the problem that in the prior art, the detection efficiency is high. In order to solve the problem that the inner wall of the transmission shaft is easy to adhere oil dirt and impurities to cause detection errors, an inner diameter cleaning unit is further introduced, the inner diameter cleaning unit can automatically clean the inner cavity wall of the transmission shaft when extending into the inner cavity of the transmission shaft for inner diameter detection, and the detection error phenomenon caused by the oil dirt and impurities is avoided.
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Description

Technical Field

[0001] The present application relates to the technical field of transmission shaft detection, and in particular to an inner and outer diameter detection device for an automobile transmission shaft. Background Art

[0002] The inner and outer diameter detection of automobile transmission shafts is an important link to ensure its dimensional accuracy and stable performance. The inner and outer diameter dimensions of the transmission shaft are key parameters for evaluating its performance and service life. Accurate inner and outer diameter measurement can ensure the matching accuracy of the transmission shaft and other components, reduce wear and failure, and improve the safety and reliability of the vehicle.

[0003] The existing patent document "CN218455448U A vehicle transmission shaft outer diameter detection device" discloses a detection device. Although the detection device in the above technical solution can detect the outer diameter of the vehicle transmission shaft, when the inner diameter of the transmission shaft needs to be inspected, it is difficult to detect due to the narrow inner diameter space, and it is also difficult to deeply detect different positions in the inner cavity of the transmission shaft. At the same time, due to the use environment of the transmission shaft, oil impurities are likely to remain in the inner diameter, thereby affecting the detection accuracy of the transmission shaft;

[0004] That is, the prior art has the following technical problem: when ordinary detection devices detect the inner diameter of the transmission shaft, it is easy to cause detection errors due to residual oil impurities. Therefore, in order to solve the above problem, an inner and outer diameter detection device for automobile transmission shaft is proposed. Summary of the invention

[0005] In this embodiment, a vehicle transmission shaft inner and outer diameter detection device is provided to solve the problem that when ordinary detection devices in the prior art detect the inner diameter of the transmission shaft, detection errors are easily caused by residual oil impurities.

[0006] According to one aspect of the present application, a device for detecting inner and outer diameters of an automobile transmission shaft is provided, and the device for detecting inner and outer diameters of an automobile transmission shaft comprises:

[0007] A transmission shaft clamping unit, wherein the transmission shaft clamping unit is fixedly arranged on the upper surface of the fixed base;

[0008] A supporting cylinder, wherein the supporting cylinder is fixedly arranged on the upper surface of the fixed base, and a fixing plate is fixedly connected to the top of the supporting cylinder;

[0009] An inner diameter detection unit, wherein the inner diameter detection unit is fixedly connected to a linkage motion component, the linkage motion component is arranged at a fixed plate, and the inner diameter detection unit is used for detecting the inner diameter of the transmission shaft;

[0010] An inner diameter cleaning unit is fixedly arranged at the bottom end of the linkage motion component, and the inner diameter cleaning unit can automatically rotate when entering the inner diameter of the transmission shaft.

[0011] Furthermore, the transmission shaft clamping unit comprises a fixed stand, a fixed cylinder, a movable push rod and a clamping claw, and there are at least three fixed stands, and the fixed stands are fixedly arranged in a ring shape on the upper surface of the fixed base.

[0012] Furthermore, a fixed cylinder is fixedly installed on the side wall of the fixed tripod, one end of the fixed cylinder is fixedly connected to a moving push rod, and one end of the moving push rod is fixedly connected to a clamping claw.

[0013] Furthermore, the linkage motion component includes a rectangular fixed shell, a rotating rod, a bevel gear A, a bevel gear B, a gear, a rack plate and a connecting sleeve, the rectangular fixed shell is fixedly arranged on the upper surface of the fixed plate, and the connecting sleeve is fixedly arranged on the bottom surface of the fixed plate.

[0014] Furthermore, a rotating rod is rotatably connected in the inner cavity of the rectangular fixed shell, one end of the rotating rod extends outside the wall of the rectangular fixed shell, a gear is fixedly connected to one end of the rotating rod, the rack plate and the gear are meshed with each other, and the rack plate is fixedly arranged on the upper surface of the fixed base.

[0015] Furthermore, a bevel gear A is fixedly connected to the arc wall of the rotating rod, a rotating rod is rotatably connected in the inner cavity of the rectangular fixed shell, a bevel gear B is fixedly connected to the top of the rotating rod, and the bevel gear B and the bevel gear A are meshed with each other.

[0016] Furthermore, the inner diameter cleaning unit includes a rotating connecting rod and a cleaning portion. The rotating connecting rod is arranged in the inner cavity of the connecting sleeve and is rotationally connected to the connecting sleeve. The top end of the rotating connecting rod is fixedly connected to the bottom end of the rotating rod.

[0017] Furthermore, a cleaning part is fixedly provided at the arc-shaped wall at the bottom end of the rotating connecting rod, and a plurality of the cleaning parts are provided, and the plurality of the cleaning parts are fixed at the arc-shaped wall at the bottom end of the rotating connecting rod in a ring shape.

[0018] Furthermore, the cleaning part is made of rubber material.

[0019] Furthermore, the inner diameter detection unit includes a micro cylinder, a connecting plate, a ball, a measuring ruler and a pointer. Two micro cylinders are provided, and the two micro cylinders are fixedly arranged on both sides of the arc wall of the connecting sleeve. A connecting plate is fixedly arranged at one end of the micro cylinder, and a ball is rotatably connected to the side wall of the connecting plate. A measuring ruler is fixedly connected to the top of the connecting plate, and a pointer is fixedly connected to the outer wall of the micro cylinder.

[0020] The above-mentioned embodiments of the present application are suitable for detecting the inner and outer diameters of automobile drive shafts. In order to solve the problem in the prior art that ordinary detection equipment is not convenient for detecting the inner diameter of the drive shaft, and it is difficult to detect deep into the inner diameter, the present application designs an inner diameter detection unit. The inner diameter detection unit can effectively reach into the deep inner diameter of the drive shaft to perform detection at different positions. Furthermore, in order to solve the problem in the prior art that the inner wall of the drive shaft is prone to adhesion of oil and impurities, resulting in detection errors, the present application further introduces an inner diameter cleaning unit. The inner diameter cleaning unit can automatically clean the inner cavity wall of the drive shaft when extending into the inner cavity of the drive shaft for inner diameter detection, thereby avoiding detection errors caused by oil and impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 This is a schematic diagram of a three-dimensional structure of an embodiment of the present application;

[0023] Figure 2 This is a front structural schematic diagram of an embodiment of the present application;

[0024] Figure 3 This is a schematic structural diagram of a transmission shaft clamping unit according to an embodiment of the present application;

[0025] Figure 4 This is a schematic diagram of the internal structure of a linkage motion component according to an embodiment of the present application;

[0026] Figure 5 This is a schematic structural diagram of an inner diameter detection unit according to an embodiment of the present application.

[0027] In the figure:

[0028] Fixed base 1;

[0029] Transmission shaft clamping unit 2, fixed stand 201, fixed cylinder 202, moving push rod 203, clamping claw 204;

[0030] Support cylinder 3, fixing plate 4;

[0031] Linkage motion component 5, rectangular fixed shell 501, rotating rod 502, bevel gear A 503, bevel gear B 504, gear 505, rack plate 506, connecting sleeve 507, rotating rod 508;

[0032] Inner diameter detection unit 6, micro cylinder 601, connecting plate 602, ball 603, measuring ruler 604, pointer 605;

[0033] Inner diameter cleaning unit 7, rotating connecting rod 701, cleaning part 702. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0035] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0036] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0037] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0038] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0039] See also Figure 1-5 As shown, a vehicle transmission shaft inner and outer diameter detection device, the vehicle transmission shaft inner and outer diameter detection device comprises:

[0040] A transmission shaft clamping unit 2, wherein the transmission shaft clamping unit 2 is fixedly arranged on the upper surface of the fixed base 1;

[0041] A supporting cylinder 3, wherein the supporting cylinder 3 is fixedly arranged on the upper surface of the fixed base 1, and a fixing plate 4 is fixedly connected to the top of the supporting cylinder 3;

[0042] An inner diameter detection unit 6, wherein the inner diameter detection unit 6 is fixedly connected to a linkage motion component 5, the linkage motion component 5 is arranged at a fixed plate 4, and the inner diameter detection unit 6 is used for detecting the inner diameter of the transmission shaft;

[0043] An inner diameter cleaning unit 7, wherein the inner diameter cleaning unit 7 is fixedly arranged at the bottom end of the linkage motion component 5, and the inner diameter cleaning unit 7 can automatically rotate when entering the inner diameter of the transmission shaft;

[0044] The above-mentioned technical scheme is suitable for the inner and outer diameter detection of automobile drive shafts. In order to solve the problem in the prior art that ordinary detection equipment is not convenient for detecting the inner diameter of the drive shaft, and it is difficult to detect deep into the inner diameter, the present application designs an inner diameter detection unit 6. The inner diameter detection unit 6 can effectively reach into the deep inner diameter of the drive shaft to perform detection at different positions. Furthermore, in order to solve the problem in the prior art that the inner wall of the drive shaft is prone to adherence to oil and impurities, resulting in detection errors, the present application further introduces an inner diameter cleaning unit 7. The inner diameter cleaning unit 7 can automatically clean the inner cavity wall of the drive shaft when extending into the inner cavity of the drive shaft for inner diameter detection, thereby avoiding the detection error caused by oil and impurities.

[0045] The transmission shaft clamping unit 2 includes a fixed stand 201 , a fixed cylinder 202 , a movable push rod 203 and a clamping claw 204 . There are at least three fixed stands 201 , and the fixed stands 201 are fixedly arranged on the upper surface of the fixed base 1 in a ring shape.

[0046] A fixed cylinder 202 is fixedly installed on the side wall of the fixed tripod 201, and a moving push rod 203 is fixedly connected to one end of the fixed cylinder 202, and a clamping claw 204 is fixedly connected to one end of the moving push rod 203. Through the technical solution, the moving push rod 203 can be pushed to move by the work of the fixed cylinder 202, thereby driving the clamping claw 204 to move. By vertically placing the transmission shaft to be detected between the clamping claws 204, the transmission shaft can be clamped by the movement of the clamping claws 204, which plays a role in fixing the transmission shaft, ensuring stability during detection and reducing detection and measurement errors;

[0047] The linkage motion component 5 includes a rectangular fixed shell 501, a rotating rod 502, a bevel gear A503, a bevel gear B504, a gear 505, a rack plate 506 and a connecting sleeve 507. The rectangular fixed shell 501 is fixedly arranged on the upper surface of the fixed plate 4, and the connecting sleeve 507 is fixedly arranged on the bottom surface of the fixed plate 4. The fixed plate 4 can be driven to move up and down by the extension and contraction of the supporting cylinder 3, thereby driving the connecting sleeve 507 to move up and down.

[0048] A rotating rod 502 is rotatably connected in the inner cavity of the rectangular fixed shell 501, one end of the rotating rod 502 extends outside the wall of the rectangular fixed shell 501, and a gear 505 is fixedly connected to one end of the rotating rod 502. The rack plate 506 and the gear 505 are meshed with each other, and the rack plate 506 is fixedly arranged on the upper surface of the fixed base 1. Through the technical solution, the rectangular fixed shell 501 can be moved by the movement of the fixed plate 4, so that the gear 505 can rotate on the rack plate 506, so that the gear 505 rotates, thereby driving the rotating rod 502 to rotate;

[0049] A bevel gear A503 is fixedly connected to the arc-shaped wall of the rotating rod 502, a rotating rod 508 is rotatably connected in the inner cavity of the rectangular fixed shell 501, a bevel gear B504 is fixedly connected to the top of the rotating rod 508, and the bevel gear B504 and the bevel gear A503 are meshed with each other. According to the technical solution, the rotation of the rotating rod 502 can drive the bevel gear A503 to rotate, and the rotation of the bevel gear A503 can drive the bevel gear B504 to rotate, and the rotation of the bevel gear B504 can drive the rotating rod 508 to rotate;

[0050] The inner diameter cleaning unit 7 includes a rotating connecting rod 701 and a cleaning portion 702. The rotating connecting rod 701 is disposed in the inner cavity of the connecting sleeve 507 and is rotatably connected to the connecting sleeve 507. The top end of the rotating connecting rod 701 is fixedly connected to the bottom end of the rotating rod 508. According to the technical solution, the rotating connecting rod 701 can be driven to rotate by the rotation of the rotating rod 508.

[0051] A cleaning portion 702 is fixedly disposed at the arc-shaped wall at the bottom end of the rotating connecting rod 701. A plurality of cleaning portions 702 are disposed, and the plurality of cleaning portions 702 are fixed at the arc-shaped wall at the bottom end of the rotating connecting rod 701 in an annular shape.

[0052] The cleaning part 702 is made of rubber material. Through this technical solution, by extending the cleaning part 702 into the inner cavity of the transmission shaft, the rotation of the rotating connecting rod 701 can drive the cleaning part 702 to rotate, and then the rotation of the cleaning part 702 can effectively scrape and clean the oil and impurities in the inner cavity of the transmission shaft, thereby avoiding the detection error caused by oil and impurities when detecting the inner diameter of the transmission shaft;

[0053] The inner diameter detection unit 6 includes a micro cylinder 601, a connecting plate 602, a ball 603, a measuring ruler 604 and a pointer 605. Two micro cylinders 601 are provided, and the two micro cylinders 601 are fixedly arranged on both sides of the arc-shaped wall of the connecting sleeve 507. A connecting plate 602 is fixedly arranged at one end of the micro cylinder 601, and a ball 603 is rotatably connected to the side wall of the connecting plate 602. A measuring ruler 604 is fixedly connected to the top of the connecting plate 602, and a pointer 605 is fixedly connected to the outer wall of the micro cylinder 601. Through the technical solution, when it is necessary to check the inner cavity of the transmission shaft During the inspection, the movement of the fixing plate 4 can drive the connecting sleeve 507 to move, so that the connecting sleeve 507 drives the inner diameter detection unit 6 to be inserted into the inner cavity of the transmission shaft, and the operation of the micro cylinder 601 drives the connecting plate 602 to move, and the ball 603 is pressed against the inner cavity wall of the transmission shaft. After pressing, due to the setting of the ball 603, it can roll on the inner wall of the rotating shaft, so that the inner diameter detection unit 6 can be taken out from the inner cavity of the transmission shaft after inspection. After taking it out, the reading of the pointer 605 on the measuring ruler 604 can be read, thereby realizing the detection function of the inner diameter of the transmission shaft;

[0054] When inspecting the outer diameter of the drive shaft, the fixed drive shaft can be inspected using tools such as calipers.

[0055] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automobile transmission shaft inner and outer diameter detection device, characterized in that: The automobile transmission shaft inner and outer diameter detection equipment comprises: A transmission shaft clamping unit (2), wherein the transmission shaft clamping unit (2) is fixedly arranged on the upper surface of the fixed base (1); A supporting cylinder (3), wherein the supporting cylinder (3) is fixedly arranged on the upper surface of the fixed base (1), and a fixing plate (4) is fixedly connected to the top end of the supporting cylinder (3); An inner diameter detection unit (6), wherein the inner diameter detection unit (6) is fixedly connected to the linkage motion component (5), the linkage motion component (5) is arranged on the fixed plate (4), and the inner diameter detection unit (6) is used for detecting the inner diameter of the transmission shaft; An inner diameter cleaning unit (7) is fixedly arranged at the bottom end of the linkage motion component (5), and the inner diameter cleaning unit (7) can automatically rotate when entering the inner diameter of the transmission shaft.

2. The device for detecting inner and outer diameters of a vehicle transmission shaft according to claim 1, characterized in that: The transmission shaft clamping unit (2) comprises a fixed stand (201), a fixed cylinder (202), a movable push rod (203) and a clamping claw (204), wherein there are at least three fixed stands (201), and the fixed stands (201) are fixedly arranged in a ring shape on the upper surface of the fixed base (1).

3. The device for detecting inner and outer diameters of a vehicle transmission shaft according to claim 2, characterized in that: A fixed cylinder (202) is fixedly installed on the side wall of the fixed tripod (201), one end of the fixed cylinder (202) is fixedly connected to a moving push rod (203), and one end of the moving push rod (203) is fixedly connected to a clamping claw (204).

4. The device for detecting inner and outer diameters of a vehicle transmission shaft according to claim 1, characterized in that: The linkage motion component (5) comprises a rectangular fixed shell (501), a rotating rod (502), a bevel gear A (503), a bevel gear B (504), a gear (505), a rack plate (506) and a connecting sleeve (507); the rectangular fixed shell (501) is fixedly arranged on the upper surface of the fixed plate (4); and the connecting sleeve (507) is fixedly arranged on the bottom surface of the fixed plate (4).

5. The device for detecting inner and outer diameters of a vehicle transmission shaft according to claim 4, characterized in that: A rotating rod (502) is rotatably connected in the inner cavity of the rectangular fixed shell (501), one end of the rotating rod (502) extends outside the wall of the rectangular fixed shell (501), a gear (505) is fixedly connected to one end of the rotating rod (502), the rack plate (506) and the gear (505) are meshed with each other, and the rack plate (506) is fixedly arranged on the upper surface of the fixed base (1).

6. The vehicle transmission shaft inner and outer diameter detection device according to claim 4, characterized in that: A bevel gear A (503) is fixedly connected to the arc-shaped wall of the rotating rod (502), a rotating rod (508) is rotatably connected in the inner cavity of the rectangular fixed shell (501), a bevel gear B (504) is fixedly connected to the top end of the rotating rod (508), and the bevel gear B (504) and the bevel gear A (503) are meshed with each other.

7. The vehicle transmission shaft inner and outer diameter detection device according to claim 1, characterized in that: The inner diameter cleaning unit (7) comprises a rotating connecting rod (701) and a cleaning portion (702); the rotating connecting rod (701) is arranged in the inner cavity of the connecting sleeve (507) and is rotatably connected to the connecting sleeve (507); the top end of the rotating connecting rod (701) is fixedly connected to the bottom end of the rotating rod (508).

8. The device for detecting inner and outer diameters of a vehicle transmission shaft according to claim 7, characterized in that: A cleaning portion (702) is fixedly provided at the arc-shaped wall at the bottom end of the rotating connecting rod (701), and a plurality of the cleaning portions (702) are provided. The plurality of the cleaning portions (702) are fixed at the arc-shaped wall at the bottom end of the rotating connecting rod (701) in a ring shape.

9. The vehicle transmission shaft inner and outer diameter detection device according to claim 8, characterized in that: The cleaning part (702) is made of rubber material.

10. The vehicle transmission shaft inner and outer diameter detection device according to claim 1, characterized in that: The inner diameter detection unit (6) comprises a micro cylinder (601), a connecting plate (602), a ball (603), a measuring ruler (604) and a pointer (605). Two micro cylinders (601) are provided, and the two micro cylinders (601) are fixedly arranged on both sides of the arc-shaped wall of the connecting sleeve (507). A connecting plate (602) is fixedly arranged at one end of the micro cylinder (601), and a ball (603) is rotatably connected to the side wall of the connecting plate (602). The measuring ruler (604) is fixedly connected to the top end of the connecting plate (602), and the pointer (605) is fixedly connected to the outer wall of the micro cylinder (601).

Citation Information

Patent Citations

  • Automobile transmission shaft external diameter detection device

    CN218455448U