A metro vehicle coupler maintenance auxiliary tool

Abstract

The utility model discloses a subway vehicle car hook overhauls auxiliary tool, specifically related to vehicle overhauls equipment technical field, including mounting block, the one side of mounting block is provided with the deflection groove, and the pivot is rotationally connected in the deflection groove, and the both ends of pivot all are fixedly connected with the support block of being located mounting block outside, and the telescopic link is rotationally connected on two support blocks. The utility model on one side through horizontal measuring instrument and vertical measuring instrument ensure that first measuring rod and second measuring rod can adjust to accurate level and vertical state when measuring, and realize accurate measurement in combination with the scale line on the pole body, simultaneously, utilize the friction locking function of first friction block and second friction block under the action of first elastic part and second elastic part, carry out effective location to pivot and hinged ball respectively, prevent the shaking of component in the measuring process, guarantee the reliability and stability of measured data.

Description

Technical Field

[0001] This utility model relates to the field of vehicle maintenance equipment technology, and in particular to an auxiliary tooling for the maintenance of subway car couplers. Background Technology

[0002] The coupler in a subway car is one of the most basic and important components of a rail vehicle. It undertakes multiple key functions, including connecting the various cars, transmitting traction and braking forces, and mitigating impact forces. The auxiliary tooling for subway car coupler maintenance is used to measure the coupler height. The precise measurement and adjustment of the coupler height directly aims to ensure a safe and reliable connection between vehicles and to smoothly transmit traction and braking forces during operation.

[0003] Chinese Patent Application No. 202223172270.X discloses an auxiliary tooling for coupler maintenance, including a rectangular block with rotating grooves at both ends of one side. In this utility model, a measuring mechanism is installed at the position corresponding to the rotating groove on the rectangular block. By rotating two telescopic rods and pulling a fixed block, the two fixed blocks, moved to the appropriate position, can be easily placed on the subway track. By rotating the connecting block 90 degrees and pulling the rectangular shell upwards, the rectangular shell is moved to its highest position. The use of scale lines one and two facilitates the measurement of the distance between the coupler and the top plane of the track (i.e., the coupler height). The measuring structure is accurate, making it easy to detect any abnormalities in the coupler height, thus effectively preventing abnormal phenomena such as failure to engage the locomotive or decoupling during operation.

[0004] Although the above-mentioned coupler maintenance auxiliary tooling is easy to operate and carry, the rail surface may be subject to natural wear, slope or step difference, which may cause the maintenance auxiliary tooling to be unable to maintain a horizontal state. If the maintenance auxiliary tooling cannot adjust the tilt, it will lead to errors in subsequent measurement results.

[0005] This utility model provides an auxiliary tooling for the maintenance of subway car couplers, which aims to solve the problem that existing auxiliary tooling for the maintenance of subway car couplers cannot be placed horizontally on the rail surface, resulting in errors in subsequent measurement results. Utility Model Content

[0006] The purpose of this utility model is to provide an auxiliary tooling for the maintenance of subway car couplers, in order to solve the problem mentioned in the background art that the existing auxiliary tooling for the maintenance of subway car couplers cannot be placed horizontally on the rail surface, resulting in errors in subsequent measurement results.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an auxiliary tooling for the maintenance of subway car couplers, comprising an installation block, a deflection groove on one side of the installation block, a rotating shaft rotatably connected in the deflection groove, and support blocks located outside the installation block fixedly connected to both ends of the rotating shaft, with telescopic rods rotatably connected to both support blocks. A first measuring rod is hinged to the mounting block, and a second measuring rod is slidably connected to the first measuring rod. Scale lines are provided on the first and second measuring rods, and a horizontal measuring instrument and a vertical measuring instrument are provided on the second measuring rod. The mounting block is provided with a first locking mechanism for friction locking of the rotating shaft and a second locking mechanism for angle locking of the first measuring rod.

[0008] Preferably, the first measuring rod is hinged to a hinge slot on the mounting block via a hinge ball, wherein the opening direction of the hinge slot is perpendicular to the opening direction of the deflection slot.

[0009] Preferably, the first locking mechanism includes: A first lifting groove is formed inside the mounting block and communicates with the deflection groove; A first friction block that is slidably disposed within the first lifting groove; A first elastic element disposed within the first lifting groove for providing a clamping force to the first friction block to keep it in contact with the rotating shaft.

[0010] Preferably, the first locking mechanism further includes: A first limiting groove is formed on the side wall of the mounting block and communicates with the first lifting groove; The first extrusion block is slidably disposed within the first limiting groove.

[0011] Preferably, one end of the first extrusion block that extends into the first lifting groove is configured as a wedge-shaped surface. When the first extrusion block is pushed to move, its wedge-shaped surface can drive the first friction block to compress the first elastic element and separate it from the rotating shaft.

[0012] Preferably, the second locking mechanism includes: A second lifting groove is formed inside the mounting block and communicates with the hinge groove; The second friction block is slidably disposed within the second lifting groove; The second elastic element is disposed in the second lifting groove and is used to provide a clamping force to the second friction block so that it keeps in contact with the hinge ball.

[0013] Preferably, the second locking mechanism further includes: A second limiting groove is formed on the side wall of the mounting block and communicates with the second lifting groove; The second extrusion block is slidably disposed within the second limiting groove.

[0014] Preferably, one end of the second extrusion block that extends into the second lifting groove is configured as a wedge-shaped surface. When the second extrusion block is pushed to move, its wedge-shaped surface can drive the second friction block to compress the second elastic element and separate it from the hinge ball.

[0015] Preferably, a slot is provided on one side of the two telescopic rods that are close to each other, so that the second measuring rod can be engaged in the slot when in the retracted state.

[0016] The technical effects and advantages of this utility model are as follows: 1. On the one hand, the horizontal and vertical measuring instruments ensure that the first and second measuring rods can be adjusted to a precise horizontal and vertical state during measurement, and accurate measurement is achieved by combining the scale lines on the rods. At the same time, the friction locking function of the first and second friction blocks under the action of the first and second elastic elements effectively limits the rotating shaft and the hinge ball, preventing the components from shaking during the measurement process and ensuring the reliability and stability of the measurement data. On the other hand, the expansion and contraction of the telescopic rod, and the fact that the entire measuring mechanism can rotate around the rotating shaft for storage, and the second measuring rod is fixed by the slot, greatly reduce the volume of the tooling after storage, significantly improving the portability of the equipment and the flexibility of on-site use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 2 This is an exploded view of the overall structure of this utility model.

[0019] Figure 3 This is a cross-sectional view of the internal structure of the deflection groove in this utility model.

[0020] Figure 4 This is a cross-sectional view of the internal structure of the first and second lifting grooves of this utility model.

[0021] Figure 5 This is a schematic diagram of the mounting block structure of this utility model.

[0022] Figure 6 This is a schematic diagram of the first measuring rod structure of this utility model.

[0023] Figure 7 This is a schematic diagram of the second measuring rod structure of this utility model.

[0024] Figure 8 This is a schematic diagram of the measurement state of this utility model.

[0025] The attached figures are labeled as follows: 1. Mounting block; 11. Deflection groove; 12. Rotating shaft; 13. Support block; 14. Rotation groove; 15. Telescopic rod; 16. Hinge groove; 17. Hinge ball; 18. First measuring rod; 19. Second measuring rod; 110. Horizontal measuring instrument; 111. Vertical measuring instrument; 112. Slot; 2. First lifting groove; 21. First friction block; 22. First elastic element; 23. First limiting groove; 24. First pressing block; 3. Second lifting groove; 31. Second friction block; 32. Second elastic element; 33. Second limiting groove; 34. Second pressing block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0027] refer to Figures 1 to 8 An auxiliary tooling for the maintenance of subway car couplers according to an embodiment of the present invention includes a mounting block 1. A through-type deflection groove 11 is provided on one side of the mounting block 1. A rotating shaft 12 is rotatably connected inside the deflection groove 11. Support blocks 13 located outside the mounting block 1 are fixedly connected to both ends of the rotating shaft 12. Rotation grooves 14 are provided on the sides of the two support blocks 13 that are far apart from each other. Telescopic rods 15 are rotatably connected in both rotation grooves 14.

[0028] refer to Figures 1 to 7 A hinge groove 16 is provided on one side of the mounting block 1. The opening direction of the hinge groove 16 is perpendicular to the opening direction of the deflection groove 11. A hinge ball 17 is hinged in the hinge groove 16. A first measuring rod 18 is fixedly connected to the hinge ball 17. A second measuring rod 19 is slidably connected to the first measuring rod 18. Both the first measuring rod 18 and the second measuring rod 19 are provided with scale lines for measuring height. The second measuring rod 19 is provided with a level measuring instrument 110 for detecting the levelness of the second measuring rod 19 and a vertical measuring instrument 111 for detecting the verticality of the second measuring rod 19. A slot 112 is provided on the side of the two telescopic rods 15 that is away from the support block 13 and close to each other. The slot 112 can accommodate the second measuring rod 19.

[0029] refer to Figure 4 The mounting block 1 has a first lifting groove 2 below the deflection groove 11 and a second lifting groove 3 below the hinge groove 16. The first lifting groove 2 is connected to the deflection groove 11 and the second lifting groove 3 is connected to the hinge groove 16.

[0030] refer to Figure 4 The first friction block 21 is slidably connected inside the first lifting groove 2. The side of the first friction block 21 away from the deflection groove 11 is connected to the first lifting groove 2 by a first elastic element 22. The first elastic element 22 is used to provide the first friction block 21 with a thrust that contacts the rotating shaft 12.

[0031] refer to Figure 4 A second friction block 31 is slidably connected in the second lifting groove 3. A second elastic element 32 is connected between the side of the second friction block 31 away from the hinge groove 16 and the second lifting groove 3. The first elastic element 22 is used to provide the second friction block 31 with a thrust to contact the hinge ball 17.

[0032] refer to Figure 4 and Figure 5 The mounting block 1 has a first limiting groove 23 communicating with the first lifting groove 2 and a second limiting groove 33 communicating with the second lifting groove 3 on one side. A first pressing block 24 is slidably connected in the first limiting groove 23 and a second pressing block 34 is slidably connected in the second limiting groove 33.

[0033] refer to Figure 4 The first extrusion block 24 located inside the first lifting groove 2 and the second extrusion block 34 located inside the second lifting groove 3 are both set as wedge-shaped surfaces. When the first pressing block 24 moves toward the inside of the first lifting groove 2, the wedge-shaped surface of the first pressing block 24 can push the first friction block 21 to compress the first elastic element 22 and move it away from the rotating shaft 12. When the second pressing block 34 moves toward the interior of the second lifting groove 3, the wedge-shaped surface of the second pressing block 34 can push the second friction block 31 to compress the second elastic member 32 and move it away from the hinge ball 17.

[0034] In actual use, first, place the maintenance auxiliary tooling near the subway car coupler position, then rotate the two telescopic rods outward by 15, referring to... Figure 8 The two telescopic rods 15 are extended to form an extended rigid support arm, and then the two telescopic rods 15 are stretched and placed on the subway tracks.

[0035] After placement, press the first pressing block 24 to move it towards the inside of the first lifting groove 2. During the movement, the first pressing block 24 pushes the first friction block 21 to compress the first elastic element 22 and move it away from the rotating shaft 12 through its own wedge-shaped surface, releasing the friction limit on the rotating shaft 12. This allows the mounting block 1 to rotate around the rotating shaft 12. At this time, the mounting block 1 can be rotated to drive the first measuring rod 18 and the second measuring rod 19 to rotate 90 degrees, so that the first measuring rod 18 and the second measuring rod 19 face upward. After the rotation is completed, release the first pressing block 24. The first friction block 21 will return to its initial position under the push of the first elastic element 22, and limit the rotating shaft 12 again to prevent the first measuring rod 18 and the second measuring rod 19 from shaking during the measurement process, thus ensuring the reliability and stability of the measurement data. During the process of the first friction block 21 returning to its initial position, it will push the first pressing block 24 back to its initial position.

[0036] After the first measuring rod 18 and the second measuring rod 19 are rotated 90 degrees, the second measuring rod 19 is pulled upwards, and the horizontal measuring instrument 110 and the vertical measuring instrument 111 are observed. If there is no deviation in the horizontality and verticality measured by the horizontal measuring instrument 110 and the vertical measuring instrument 111, the distance between the coupler and the top of the rail can be directly measured through the scale on the first measuring rod 18 and the second measuring rod 19.

[0037] If there is a deviation in the levelness and verticality measured by the level measuring instrument 110 and the vertical measuring instrument 111, press the second pressing block 34 to move it towards the inside of the second lifting groove 3. During the movement, the second pressing block 34 pushes the second friction block 31 through its own wedge-shaped surface to compress the second elastic element 32 and move it away from the hinge ball 17, releasing the friction limit on the hinge ball 17. At this time, the angles of the first measuring rod 18 and the second measuring rod 19 can be freely adjusted. The first measuring rod 18 and the second measuring rod 19 can be adjusted according to the levelness and verticality measured by the level measuring instrument 110 and the vertical measuring instrument 111. The angle of the two measuring rods 19 is adjusted until there is no deviation in the horizontality and verticality measured by the horizontal measuring instrument 110 and the vertical measuring instrument 111. Then the second pressing block 34 is released, and the second friction block 31 will return to its initial position under the push of the second elastic element 32, which will limit the hinge ball 17 again to prevent the first measuring rod 18 and the second measuring rod 19 from shaking during the measurement process. As the second friction block 31 returns to its initial position, it will push the second pressing block 34 back to its initial position. Then the distance between the coupler and the top of the rail is measured by the scale on the first measuring rod 18 and the second measuring rod 19.

[0038] When storing the device after completing the measurement, press the second squeezing block 34 to adjust the position of the first measuring rod 18 and the second measuring rod 19. Press the first squeezing block 24 to rotate the mounting block 1 back to the initial position. Then, retract the two extended telescopic rods 15 and rotate them inward. The second measuring rod 19 is then engaged through the two slots 112, reducing the area occupied and improving portability.

[0039] In summary, on the one hand, the horizontal measuring instrument 110 and the vertical measuring instrument 111 ensure that the first measuring rod 18 and the second measuring rod 19 can be adjusted to a precise horizontal and vertical state during measurement, and accurate measurement is achieved by combining the scale lines on the rod body. At the same time, the friction locking function of the first friction block 21 and the second friction block 31 under the action of the first elastic element 22 and the second elastic element 32 effectively limits the rotating shaft 12 and the hinge ball 17 respectively, preventing the shaking of the components during the measurement process and ensuring the reliability and stability of the measurement data. On the other hand, the expansion and contraction of the telescopic rod 15, and the fact that the entire measuring mechanism can rotate around the rotating shaft 12 for storage, and the second measuring rod 19 is fixed by the slot 112, greatly reduce the volume of the tooling after storage, and significantly improve the portability of the equipment and the flexibility of field use.

[0040] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An auxiliary tooling for the maintenance of subway car couplers, comprising an mounting block (1), characterized in that: A deflection groove (11) is provided on one side of the mounting block (1), and a rotating shaft (12) is rotatably connected in the deflection groove (11). Both ends of the rotating shaft (12) are fixedly connected to support blocks (13) located outside the mounting block (1), and telescopic rods (15) are rotatably connected to both support blocks (13). The mounting block (1) is hinged with a first measuring rod (18), and a second measuring rod (19) is slidably connected to the first measuring rod (18). The first measuring rod (18) and the second measuring rod (19) are provided with scale lines, and the second measuring rod (19) is provided with a horizontal measuring instrument (110) and a vertical measuring instrument (111). The mounting block (1) is provided with a first locking mechanism for friction locking of the rotating shaft (12) and a second locking mechanism for angle locking of the first measuring rod (18).

2. The auxiliary tooling for the maintenance of subway car couplers according to claim 1, characterized in that, The first measuring rod (18) is hinged to the hinge slot (16) opened on the mounting block (1) by the hinge ball (17), and the opening direction of the hinge slot (16) is perpendicular to the opening direction of the deflection slot (11).

3. The auxiliary tooling for the maintenance of subway car couplers according to claim 1, characterized in that, The first locking mechanism includes: A first lifting groove (2) is formed inside the mounting block (1) and communicates with the deflection groove (11); The first friction block (21) is slidably disposed in the first lifting groove (2); The first elastic element (22) is disposed in the first lifting groove (2) and is used to provide a pressing force to the first friction block (21) so that it keeps in contact with the rotating shaft (12).

4. The auxiliary tooling for the maintenance of subway car couplers according to claim 3, characterized in that, The first locking mechanism further includes: A first limiting groove (23) is formed on the side wall of the mounting block (1) and communicates with the first lifting groove (2); The first extrusion block (24) is slidably disposed within the first limiting groove (23).

5. The auxiliary tooling for the maintenance of subway car couplers according to claim 4, characterized in that, The first extrusion block (24) has a wedge-shaped surface at one end that extends into the first lifting groove (2). When the first extrusion block (24) is pushed to move, its wedge-shaped surface can drive the first friction block (21) to compress the first elastic element (22) and separate it from the rotating shaft (12).

6. The auxiliary tooling for the maintenance of subway car couplers according to claim 2, characterized in that, The second locking mechanism includes: A second lifting groove (3) is formed inside the mounting block (1) and communicates with the hinge groove (16); The second friction block (31) is slidably disposed in the second lifting groove (3); The second elastic element (32) is disposed in the second lifting groove (3) and is used to provide a clamping force to the second friction block (31) so that it keeps in contact with the hinge ball (17).

7. The auxiliary tooling for the maintenance of subway car couplers according to claim 6, characterized in that, The second locking mechanism also includes: A second limiting groove (33) is opened on the side wall of the mounting block (1) and communicates with the second lifting groove (3); The second extrusion block (34) is slidably disposed within the second limiting groove (33).

8. The auxiliary tooling for the maintenance of subway car couplers according to claim 7, characterized in that, The end of the second extrusion block (34) that extends into the second lifting groove (3) is set as a wedge-shaped surface. When the second extrusion block (34) is pushed to move, its wedge-shaped surface can drive the second friction block (31) to compress the second elastic element (32) and separate from the hinge ball (17).

9. The auxiliary tooling for the maintenance of subway car couplers according to claim 1, characterized in that, The two telescopic rods (15) have a slot (112) on one side that is close to each other. When in the retracted state, the second measuring rod (19) can be engaged in the slot (112).

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