CA-3 car coupler detection template

By designing the CA-3 coupler inspection template and adopting a combination structure of main template and auxiliary template, the problem of coupler dimensions being unable to be quickly inspected was solved, achieving efficient and accurate inspection results.

CN223741426UActive Publication Date: 2025-12-30SHAANXI HAIDUO RAILWAY TECH DEV CO LTD
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Patent Information

Application Number
CN202520277051.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-12-30
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

The existing CA-3 coupler head dimensions cannot be checked using conventional measuring tools, resulting in low production efficiency and cumbersome 3D scanning inspection of dimensions.

Method used

Design a CA-3 coupler inspection template, including a main template and a secondary template, with multiple measuring slots and positioning pins, for rapid inspection of the coupler's function and dimensions.

Benefits of technology

It enables rapid and convenient coupler inspection, improving production efficiency. It eliminates the need for reading or calculating comparison data, ensuring the accuracy and consistency of the inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a CA-3 car coupler detection sample plate which comprises a main sample gauge plate, an auxiliary sample gauge plate is installed on the upper surface of the main sample gauge plate, and the auxiliary sample gauge plate is rotationally connected with the main sample gauge plate; a first measuring groove is formed in one side of the main sample gauge plate, and the width of the first measuring groove is the qualified size of the thickness of a first tooth of a car coupler; one end of the main sample gauge plate is provided with a second measuring groove, the second measuring groove is located at the other side of the main sample gauge plate, and the depth of the second measuring groove is the qualified size of the thickness of the coupler lock of the car coupler; a third measuring groove is formed in one side of the auxiliary sample gauge plate, the depth of the third measuring groove is the qualified size of the height of the coupler lock protruding out of the inner cavity of the lock support when the coupler is in a free state, and the coupler lock can enter the inner cavity of the lock support. According to the utility model, the function and the size of the CA-3 car coupler are detected, and the product inspection is convenient.
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Description

Technical Field

[0001] This application relates to a CA-3 coupler testing template, belonging to the technical field of coupler testing tools. Background Technology

[0002] Currently, due to product structure issues, the dimensions of the existing CA-3 coupler head cannot be checked using conventional measuring tools such as vernier calipers and rulers. If all products are scribing or 3D scanning for dimensional inspection during production, it would be very troublesome and would greatly reduce production efficiency. In order to improve product production efficiency and product inspection quality, it is necessary to design a template for testing the coupler's function and dimensions. Utility Model Content

[0003] According to one aspect of this application, a CA-3 coupler testing template is provided, which tests the function and dimensions of the CA-3 coupler, making product inspection convenient.

[0004] A CA-3 coupler testing template, characterized in that it comprises:

[0005] A main template plate, on the upper surface of which a secondary template plate is mounted, wherein the secondary template plate is rotatably connected to the main template plate;

[0006] A first measuring groove is provided on one side of the main template plate, the width of which is the acceptable dimension of the thickness of the first tooth of the coupler; a second measuring groove is provided at one end of the main template plate, and the second measuring groove is located on the other side of the main template plate, the depth of which is the acceptable dimension of the thickness of the coupler hook lock.

[0007] A third measuring groove is provided on one side of the sub-sample plate. When the coupler is in a free state, the depth of the third measuring groove is a qualified dimension for the height of the coupler hook lock protruding from the inner cavity of the lock holder, and the hook lock can enter the inner cavity of the lock holder.

[0008] Furthermore, one end of the main template plate has a first height and a second height in sequence, and the first height and the second height are successively close to the side of the first measuring groove;

[0009] The distance from the first height position to the other end of the main template plate is the qualified dimension from the traction surface of the second tooth of the coupler to the impact wall of the shed;

[0010] The distance from the second height position to the other end of the main template plate is the acceptable dimension for the coupler opening height.

[0011] Furthermore, the main template plate is provided with a first positioning pin and a second positioning pin, which are used to limit the rotational position of the secondary template plate on the main template plate.

[0012] Furthermore, a positioning plate is installed on the lower surface of the main template plate, and the positioning plate abuts against the inner side of the second tooth.

[0013] The distance from one end of the positioning plate to the main template plate is the qualified distance from the second tooth to the coupler lock, which is used to measure the locking performance of the coupler lock.

[0014] Furthermore, the position of the second height is higher than the position of the first height.

[0015] Furthermore, the first positioning pin and the second positioning pin are respectively disposed at both ends of the main template plate, and the first positioning pin is located inside the third measuring groove and forms an abutment with one side of the sub-template plate to restrict the rotation of the sub-template plate in the first position.

[0016] The second locating pin abuts against the other side of the sub-sample plate, thereby restricting the rotation of the sub-sample plate in the second position.

[0017] Furthermore, the positioning plate is an L-shaped plate, which is fixed to the lower surface of the main template plate, and the extension direction of the L-shaped plate is the width direction of the main template plate.

[0018] The beneficial effects that this application can produce include:

[0019] The CA-3 coupler inspection template provided in this application, by setting a main template and a secondary template, and setting corresponding measuring structures on the main template and the secondary template, can inspect the size and performance of the CA-3 coupler. Product inspection is convenient. Only by looking at the coupler status and the pass / close status of the inspection template can the product size be judged as qualified. There is no need to read or calculate and compare data, which improves the product production efficiency. At the same time, it can inspect the size of different positions of the same product. It is portable and easy to maintain. Attached Figure Description

[0020] Figure 1 This is the structural state of the CA-3 coupler testing template in one embodiment of this application. Figure 1 ;

[0021] Figure 2 This is the structural state of the CA-3 coupler testing template in one embodiment of this application. Figure 2 ;

[0022] Figure 3 This is the detection status of the CA-3 coupler test template in one embodiment of this application. Figure 1 ;

[0023] Figure 4 This is the detection status of the CA-3 coupler test template in one embodiment of this application. Figure 2 ;

[0024] Figure 5 This is the detection status of the CA-3 coupler test template in one embodiment of this application. Figure 3 ;

[0025] Figure 6 This is the detection status of the CA-3 coupler test template in one embodiment of this application. Figure 4 ;

[0026] Figure 7 This is the detection status of the CA-3 coupler test template in one embodiment of this application. Figure 5 ;

[0027] Figure 8 This is the detection status of the CA-3 coupler test template in one embodiment of this application. Figure 6 ;

[0028] List of components and reference numerals: 1-Main template plate; 2-Secondary template plate; 3-First measuring groove; 4-Second measuring groove; 5-Third measuring groove; 6-First height; 7-Second height; 8-First locating pin; 9-Second locating pin; 10-Locking plate. Detailed Implementation

[0029] The present application is described in detail below with reference to the embodiments, but the present application is not limited to these embodiments.

[0030] See Figure 1-8 A CA-3 coupler testing template, characterized in that it comprises:

[0031] A main template 1, on the upper surface of which a secondary template 2 is mounted, is rotatably connected to the main template 1, such as... Figure 1-2 As shown;

[0032] A first measuring groove 3 is provided on one side of the main template 1. The width of the first measuring groove 3 is the acceptable dimension for the thickness of the first tooth of the coupler. Figure 3 As shown; a second measuring groove 4 is provided at one end of the main template 1, and the second measuring groove 4 is located on the other side of the main template 1. The depth of the second measuring groove 4 is the qualified dimension of the coupler hook lock thickness, such as... Figure 4 As shown;

[0033] A third measuring groove 5 is provided on one side of the sub-sample plate 2. In the free state of the coupler, the depth of the third measuring groove 5 is a qualified dimension for the height of the coupler hook lock protruding from the inner cavity of the lock holder, and the hook lock can enter the inner cavity of the lock holder. Figure 5 As shown.

[0034] Specifically, the main gauge plate 1 is the main part of the inspection gauge, and its upper surface is connected to the auxiliary gauge plate 2. The main and auxiliary gauge plates can be connected by a pin, allowing them to rotate relative to each other. This allows the inspection gauge to adapt to coupler inspection requirements at different angles and positions.

[0035] The first measuring groove 3 is located on one side of the main template plate 1, and its width is set to the acceptable dimension of the thickness of the first tooth of the coupler. When the first tooth of the coupler is inserted into the first measuring groove 3, if the tooth thickness meets the acceptable dimension, the tooth should be able to be smoothly inserted into the groove without being too tight or too loose. The second measuring groove 4 is located at the other end of the main template plate 1 (the side opposite to the first measuring groove 3). The depth of the second measuring groove 4 is set to the acceptable dimension of the thickness of the coupler hook lock, specifically the depth dimension extending laterally along the main template plate. When the hook lock part of the coupler is placed into the second measuring groove 4, if the hook lock thickness meets the acceptable dimension, the hook lock should be able to be fully inserted into the groove without being too tight or too loose. The third measuring groove 5 is located on one side of the auxiliary template plate 2. When the coupler is in a free state (i.e., not subjected to external force), the depth of the third measuring groove 5 is set to the acceptable dimension of the height of the coupler hook lock protruding from the inner cavity of the lock holder. To check the free-state performance of the coupler, the inner side of the sub-sample plate is used to lock the locking bracket, and the coupler lock is pushed. The coupler lock should be able to enter the coupler body firmly, proving that the free-state performance of the coupler is qualified. Therefore, this test sample is convenient to inspect. Only the state of the coupler and the pass / closed state of the sample are needed to judge whether the product dimensions are qualified. There is no need to read or calculate and compare data, which improves the product production efficiency.

[0036] It is worth noting that the first, second, and third measuring slots should be adapted to the inspection angle during testing, and should not affect the dimensions of other parts of the coupler.

[0037] One end of the main template plate 1 has a first height 6 and a second height 7 in sequence, and the first height 6 and the second height 7 are successively close to the side of the first measuring groove 3.

[0038] The distance from the position of the first height 6 to the other end of the main template 1 is the acceptable dimension from the traction surface of the second tooth of the coupler to the impact wall of the shed, such as... Figure 6 As shown;

[0039] The distance from the position of the second height 7 to the other end of the main template 1 is the acceptable dimension for the coupler opening height, such as... Figure 7 As shown.

[0040] Specifically, one end of the master gauge plate 1 has a first height 6 and a second height 7, arranged sequentially on the side near the first measuring groove 3. This design allows the master gauge plate 1 to simultaneously measure different parts or dimensions of the coupler. The distance from the position of the first height 6 to the other end of the master gauge plate 1 is set as the acceptable dimension from the traction surface of the second tooth of the coupler to the impact wall of the shed. This means that when the second tooth portion of the coupler is opposite the first height 6 of the master gauge plate 1, the distance from the first height 6 to the other end of the master gauge plate 1 can be measured to verify whether the distance from the traction surface of the second tooth of the coupler to the impact wall of the shed meets the standard. The distance from the position of the second height 7 to the other end of the master gauge plate 1 is set as the acceptable dimension for the coupler opening height. Similarly, this allows inspectors to verify whether the coupler opening height, i.e., the distance from the first tooth to the second tooth, meets the standard by measuring the distance from the second height 7 to the other end of the master gauge plate 1.

[0041] The main template 1 is provided with a first positioning pin 8 and a second positioning pin 9, which are used to limit the rotation position of the secondary template 2 on the main template 1.

[0042] Specifically, the first locating pin 8 and the second locating pin 9 are set on the main template 1. Their main function is to limit the rotational position of the secondary template 2 on the main template 1. The two locating pins are limit stops at two extreme positions during relative rotation. In this way, the test template can fix the position of the secondary template 2 in different measurement stages or configurations, ensuring the accuracy and consistency of the measurement.

[0043] A positioning plate 10 is installed on the lower surface of the main template 1, and the positioning plate 10 abuts against the inner side of the second tooth.

[0044] The distance from the positioning plate 10 to one end of the main template plate 1 is the qualified distance from the second tooth to the coupler lock, used to measure the locking performance of the coupler lock. Figure 8 As shown.

[0045] Specifically, the positioning plate 10 is installed on the lower surface of the main template 1, primarily abutting against the inner side of the second tooth of the coupler during measurement. Therefore, the positioning plate 10 provides a fixed reference point for measuring the locking performance of the coupler lock. When the second tooth of the coupler abuts against the positioning plate 10, the position of the positioning plate 10 determines the exact position of the coupler relative to the main template 1. This allows the inspector to accurately measure the distance from the positioning plate 10 to one end of the main template 1, which represents the acceptable distance from the second tooth to the coupler lock. By measuring the distance from the positioning plate 10 to one end of the main template 1 within the template, the locking performance of the coupler lock can be evaluated to determine if it meets the requirements.

[0046] The position of the second height 7 is higher than the position of the first height 6.

[0047] Specifically, the settings for the first and second height positions are both designed to accommodate different detection positions.

[0048] It is worth noting that, in order to ensure adaptability during testing, the test template in this application sets the first height and the second height as inclined slopes with different inclinations, and matches them with adjacent surfaces.

[0049] The first positioning pin 8 and the second positioning pin 9 are respectively disposed at both ends of the main template plate 1, and the first positioning pin 8 is located inside the third measuring groove 5 and forms an abutment with one side of the sub-template plate 2 to restrict the rotation of the sub-template plate 2 in the first position.

[0050] The second positioning pin 9 abuts against the other side of the sub-sample plate 2, thereby restricting the rotation of the sub-sample plate 2 in the second position.

[0051] Specifically, the first locating pin 8 is located inside the third measuring groove 5 and abuts against one side of the sub-sample plate 2. When the sub-sample plate 2 rotates to the first position, the first locating pin 8 prevents it from rotating further. The first position refers to the position where the sub-sample plate is fixed above the main sample plate when the main sample plate needs to be inspected, without affecting the inspection of the main sample plate. The second locating pin 9 abuts against the other side of the sub-sample plate 2 to limit the rotation of the sub-sample plate 2 in the second position. In the second position, the sub-sample plate 2 may form different angles or configurations with the main sample plate 1 to adapt to different measurement needs. The second position refers to the position where the sub-sample plate is rotated to the second locating pin when inspection is required, preventing the sub-sample plate from rotating. By precisely setting the positions of the first locating pin 8 and the second locating pin 9, the CA-3 coupler inspection sample plate can provide stable and repeatable support and restraint in different measurement stages or configurations. This helps ensure that the position of the sub-sample plate 2 is accurate during each measurement, thereby improving the accuracy and reliability of the measurement.

[0052] The positioning plate 10 is an L-shaped plate, which is fixed to the lower surface of the main template plate 1. The extension direction of the L-shaped plate is the width direction of the main template plate 1.

[0053] Specifically, the L-shaped plate provides a stable detection reference point, matching the distance from the positioning plate 10 to one end of the main template plate 1, which represents the qualified distance from the second tooth to the coupler lock.

[0054] The above description is merely a few embodiments of this application and is not intended to limit this application in any way. Although this application discloses preferred embodiments as described above, it is not intended to limit this application. Any changes or modifications made by those skilled in the art without departing from the scope of the technical solution of this application using the disclosed technical content are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. A CA-3 coupler detection template, characterized in that, The utility model relates to a kind of gauge plate, including: Main gauge plate (1), the upper surface of the main gauge plate (1) is equipped with sub-gauge plate (2), and the sub-gauge plate (2) is rotatably connected with the main gauge plate (1); First measurement groove (3) is arranged on one side of the main gauge plate (1), and the width of the first measurement groove (3) is the qualified size of the first tooth thickness of car coupler;Second measurement groove (4) is arranged on one end of the main gauge plate (1), and the second measurement groove (4) is located on the other side of the main gauge plate (1), and the depth of the second measurement groove (4) is the qualified size of the thickness of car coupler lock; Third measurement groove (5) is arranged on one side of the sub-gauge plate (2), and in the free state of car coupler, the depth of the third measurement groove (5) is the qualified size of the height of lock inner cavity of car coupler lock protruding lock support, and the lock can enter the lock inner cavity.

2. A CA-3 draft gear detection template according to claim 1, characterized in that, First height (6) and second height (7) are sequentially arranged on one end of the main gauge plate (1), and the first height (6) and the second height (7) are sequentially close to one side of the first measurement groove (3); The distance from the position of the first height (6) to the other end of the main gauge plate (1) is the qualified size of the impact wall of the second tooth of car coupler to the shed; The distance from the position of the second height (7) to the other end of the main gauge plate (1) is the qualified size of the opening height of car coupler.

3. The CA-3 draft-gear detection template of claim 1, wherein, First positioning pin (8) and second positioning pin (9) are arranged on the main gauge plate (1), and the first positioning pin (8) and the second positioning pin (9) are used to limit the rotating position of the sub-gauge plate (2) on the main gauge plate (1).

4. The CA-3 draft gear detection template of claim 1, wherein, Positioning plate (10) is arranged on the lower surface of the main gauge plate (1), and the positioning plate (10) is abutted with the inner side of the second tooth; The distance from the positioning plate (10) to one end of the main gauge plate (1) is the qualified distance from the second tooth to the lock of car coupler, which is used to measure the locking performance of the lock of car coupler.

5. A CA-3 draft gland detection template according to claim 2, characterized in that, The position of the second height (7) is higher than the position of the first height (6).

6. A CA-3 draft gland detection template according to claim 3, characterized in that, The first positioning pin (8) and the second positioning pin (9) are arranged on the two ends of the main gauge plate (1) respectively, and the first positioning pin (8) is located in the inner side of the third measurement groove (5) and is abutted with one side of the sub-gauge plate (2), which is used to limit the rotation of the sub-gauge plate (2) at the first position; The second positioning pin (9) is abutted with the other side of the sub-gauge plate (2), which is used to limit the rotation of the sub-gauge plate (2) at the second position.

7. A CA-3 draft gland detection template according to claim 4, characterized in that, The positioning plate (10) is an L-shaped plate, which is fixed on the lower surface of the main gauge plate (1), and the extension direction of the L-shaped plate is the width direction of the main gauge plate (1).