Anti-loosening fastening device for mine car connecting part
The fastening device, consisting of components such as limit plates and universal balls, solves the problem of loosening of the mine car connection parts under vibration, improves stability and flexibility, extends service life, and enhances the mine car's operating performance on complex tracks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-03-24
AI Technical Summary
During operation, the connecting parts of the mine car are prone to loosening due to vibration, resulting in loose connections, which may cause shaking and disengagement, affecting transportation safety and efficiency.
The fastening device, which consists of components such as a limiting plate, a rotating plate, and a universal ball, provides cushioning and adapts to different rotation directions through the movement of the limiting plate and the rotation of the universal ball, reducing vibration and wear, and improving the stability and flexibility of the connecting parts.
It effectively reduces wear on connecting parts caused by vibration, extends the service life of mine car connecting components, and improves the operational flexibility and stability of mine cars in complex track environments.
Smart Images
Figure CN224028993U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mine machinery technical field especially relates to mine car connecting part anti-loosening fastening device. BACKGROUND
[0002] The mine car connecting part refers to the part for connecting different mine cars to form a transport train, and common ones are bumping heads, connecting rings, bolts and the like. When the mine cars run on the rugged track of the mine, they will be subjected to various complex external forces such as bumping, vibration, acceleration and deceleration, and turning, and the connecting part is prone to loosening due to these external forces. The fastening device is a device specially designed to prevent the loosening of the mine car connecting part, and is usually composed of specially designed bolts, nuts, anti-loosening washers, and components with locking or limiting functions. Its role is to effectively resist external interference by increasing friction and limiting the displacement of components, to ensure that the connecting part is always in a fastened state, to ensure the safety and stability of the mine car transportation process, to avoid accidents such as disconnection of the mine car and spilling of materials due to loosening of the connection, and to maintain the efficient and orderly production of the mine.
[0003] The mine car connecting part anti-loosening fastening device is mainly composed of high-strength bolts and nuts, special anti-loosening washers, and limiting locking components. The high-strength bolts and nuts bear the fastening force of the connecting main body by virtue of their high bearing capacity; the special anti-loosening washers such as spring washers and toothed washers can continuously provide a reverse force by elastic deformation or tooth engagement to prevent the nut from loosening and rotating; the limiting locking component includes a bolt, a locking plate, a stop block, and the like, which limits the displacement of the bolt or nut by mechanical limiting, and multiple components work together to ensure the stability of the mine car connecting part.
[0004] In the prior art, the pin will vibrate during movement, causing loosening of the connecting component part, and making the connection between the mine cars no longer tight, which is prone to shaking and disconnection during driving. Therefore, the mine car connecting part anti-loosening fastening device is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a mine car connecting part anti-loosening fastening device, which aims to improve the problem that in the prior art, the pin will vibrate during movement, causing loosening of the connecting component part, and making the connection between the mine cars no longer tight, which is prone to shaking and disconnection during driving.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] The application discloses a loosening-preventing fastening device for a mine car connecting part, which comprises a fixed plate one, a fixed block fixed to the right side of the fixed plate one, a fixed ring one fixedly connected to the inside of the fixed block, a fixed ring two fixedly connected to the inside of the fixed ring one, a plurality of moving blocks slidingly connected to the top of the fixed ring two, a plurality of rotating plates one rotatably connected to the top of the moving blocks, springs fixedly connected to the far sides of the moving blocks, a limiting disc rotatably connected to the top of the rotating plates one, rotating plates two rotatably connected to the front and back sides of the fixed plate one, and a rotating assembly for the fastening device rotatably connected to the close sides of the two rotating plates two.
[0008] As a further description of the above technical scheme:
[0009] The rotating assembly comprises a rotating column rotatably connected to the close sides of the two rotating plates two, and a universal ball rotatably connected to the left side of the rotating column.
[0010] As a further description of the above technical scheme:
[0011] The limiting disc is fixedly connected with a fixed plate two on the inner wall, and a fixed disc is rotatably connected to the inside of the limiting disc, and the fixed disc is fixedly connected with two limiting plates on the outside.
[0012] As a further description of the above technical scheme:
[0013] The fixed ring two is fixedly connected with a guide ring on the inside, and the guide ring is slidingly connected with a pin on the inside.
[0014] As a further description of the above technical scheme:
[0015] The pin is fixedly connected with a fixed nut on the outside, and the top of the fixed nut is in contact with the bottom of the guide ring.
[0016] As a further description of the above technical scheme:
[0017] The outside of the two fixed plate twos is in contact with the outside of the two limiting plates, and the bottom of the limiting plate is slidingly connected to the inside of the limiting disc.
[0018] As a further description of the above technical scheme:
[0019] The rotating column is rotatably connected with a shell on the outside, and the universal ball is rotatably connected to the inside of the shell.
[0020] As a further description of the above technical scheme:
[0021] The far sides of the plurality of springs are fixedly connected to the inside of the fixed ring two, and the middle part is provided with a notch.
[0022] The utility model has the advantages of the following:
[0023] 1. In the utility model, the limiting disc is moved to make the rotating plate I rotate, so that the moving block is moved, and the spring is pressed, under the action of the spring, the moving block is provided with a buffering force, so that the fixed disc is buffered, and the buffering of the pin vibration is realized, and in addition, the wear of the connecting part caused by vibration can be effectively reduced, so that the service life of the mine car connecting part is prolonged.
[0024] 2. In the utility model, the connecting part is in operation, so that the rotating column is rotated, under the action of the universal ball, the connecting part is adapted to different rotating directions, so that the mine car connecting part is adapted to different rotating directions, and in addition, the flexibility of the mine car operation is greatly improved, so that the mine car can smoothly run in a complex track environment. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a three-dimensional schematic view of the mine car connecting part anti-loosening fastening device provided by the utility model;
[0026] Figure 2 It is a fixed ring I structure schematic view of the mine car connecting part anti-loosening fastening device provided by the utility model;
[0027] Figure 3 It is a fixed disc structure schematic view of the mine car connecting part anti-loosening fastening device provided by the utility model;
[0028] Figure 4 It is a rotating column structure schematic view of the mine car connecting part anti-loosening fastening device provided by the utility model.
[0029] LEGEND:
[0030] 1, fixed plate I; 2, fixed block; 3, fixed ring I; 4, fixed ring II; 5, moving block; 6, rotating plate I; 7, spring; 8, limiting disc; 9, fixed plate II; 10, fixed disc; 11, limiting plate; 12, rotating plate II; 13, rotating column; 14, universal ball; 15, shell; 16, guide ring; 17, fixed nut; 18, pin. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0032] With reference to Figure 2 and Figure 3 , the utility model provides a kind of embodiment: mine car connecting part anti-loosening fastening device, including fixed plate one 1, fixed plate one 1 is as the linking portion, link different components, the right side of fixed plate one 1 is fixed with fixed block 2, fixed block 2 is the fixed piece fixed block 2 of connecting component, fixed ring one 3 is fixedly connected in the inside of fixed block 2, fixed ring is as the linking portion, fixed ring two 4 is fixedly connected in the inside of fixed ring one 3, fixed ring two 4 is protecting top component, is let it stable, multiple moving blocks 5 are slidably connected on the top of fixed ring two 4, the top of multiple moving blocks 5 is all rotatably connected with rotating plate one 6, the far side of multiple moving blocks 5 is all fixedly connected with spring 7, the top of multiple rotating plate one 6 is rotatably connected with limit disc 8, limit disc 8 receives external force, to drive rotating plate one 6 to rotate so that it lets spring 7 rotate, so that it lets moving block 5 move, so that spring 7 is extruded, limit disc 8 drives the front and rear sides of fixed plate one 1 and is rotatably connected with rotating plate two 12, rotating plate two 12 receives the rotating force of fixed plate one 1, to be as rotating component two rotating plate two 12 The side close to each other of rotating plate two 12 is rotatably connected with the rotating assembly for fastening device.
[0033] With reference to Figure 2 and Figure 4 , rotating assembly includes rotating column 13, the front and rear sides of rotating column 13 are rotatably connected on the side close to each other of two rotating plate two 12, rotating column 13 is let it stable, the left side of rotating column 13 is rotatably connected with universal ball 14, universal ball 14 receives the rotating force of rotating column 13, to rotate, to balance mine car.
[0034] With reference to Figures 1 to 3The inner wall of the limiting disc 8 is fixedly connected with the second fixed plate 9, and the inside of the limiting disc 8 is rotatably connected with the fixed disc 10. The outside of the fixed disc 10 is fixedly connected with two limiting plates 11. The second fixed plate 9 limits the limiting plate 11, thereby limiting the fixed disc 10. The limiting plate 11 is limited by the second fixed plate 9, so as to be stable. The inside of the fixed ring 4 is fixedly connected with the guide ring 16. The inside of the guide ring 16 is slidably connected with the pin 18. The outside of the pin 18 is fixedly connected with the fixed nut 17. The top of the fixed nut 17 is in contact with the bottom of the guide ring 16. The guide ring 16 allows the pin 18 to move linearly. The pin 18 fixes the connecting part. The fixed nut 17 fixes the pin 18, so as to stabilize the pin 18. The outside of the two second fixed plates 9 is in contact with the outside of the two limiting plates 11. The second fixed plate 9 stabilizes the limiting plate 11, so that the second fixed plate 9 cannot rotate. The bottom of the limiting plate 11 is slidably connected in the inside of the limiting disc 8. The limiting plate 11 receives the rotating force of the pin 18, thereby rotating. The outside of the rotating column 13 is rotatably connected with the shell 15. The outside of the universal ball 14 is rotatably connected in the inside of the shell 15. The shell 15 serves as an intermediate part, thereby stabilizing the two connecting parts. The far side of the plurality of springs 7 is fixedly connected in the inside of the fixed ring 4. The spring 7 stores elastic force in the inside of the fixed ring 4. The middle part of the fixed block 2 is provided with a notch. The notch serves as the notch of the connecting part.
[0035] Working principle: The operator inserts the pin 18 through the limiting disc 8, thereby moving the fixed disc 10, so that the limiting plate 11 rotates. The fixed nut 17 at the bottom of the pin 18 fixes the pin 18. At this time, the limiting disc 8 and the pin 18 are fixed. When running, the pin 18 vibrates up and down, so that the limiting disc 8 vibrates up and down, thereby rotating the rotating plate 6, so that the moving block 5 moves, thereby extruding the spring 7, so that the spring 7 provides a buffer force for the limiting disc 8, thereby achieving the buffering of the pin vibration. In addition, it can effectively reduce the wear of the connecting part caused by vibration, thereby prolonging the service life of the mine car connecting part.
[0036] When the mine car runs and shakes, the rotating column 13 rotates, thereby driving the internal universal ball 14 to rotate. The universal ball 14 rotates in the shell 15, thereby balancing the mine car, so that the mine car adapts to different terrain operation, thereby realizing that the mine car connecting part adapts to different rotating directions. In addition, it greatly improves the flexibility of the mine car operation, so that it can smoothly run in a complex track environment.
[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A fastening device for preventing loosening at the connection point of a mine car, comprising a fixing plate (1), characterized in that: A fixing block (2) is fixed to the right side of the fixing plate (1). A fixing ring (3) is fixedly connected inside the fixing block (2). A fixing ring (4) is fixedly connected inside the fixing ring (3). Multiple moving blocks (5) are slidably connected to the top of the fixing ring (4). A rotating plate (6) is rotatably connected to the top of each of the multiple moving blocks (5). A spring (7) is fixedly connected to the far side of each of the multiple moving blocks (5). A limit plate (8) is rotatably connected to the top of each of the multiple rotating plates (6). Rotating plates (12) are rotatably connected to the front and rear sides of the fixing plate (1). A rotating assembly for fastening the device is rotatably connected to the near side of the two rotating plates (12).
2. The anti-loosening fastening device for the mine car connection part according to claim 1, characterized in that: The rotating assembly includes a rotating column (13), the front and rear sides of which are rotatably connected to the adjacent side of two rotating plates (12), and a universal ball (14) is rotatably connected to the left side of the rotating column (13).
3. The anti-loosening fastening device for the mine car connection part according to claim 1, characterized in that: The inner wall of the limiting plate (8) is fixedly connected to a second fixing plate (9), the inside of the limiting plate (8) is rotatably connected to a fixing plate (10), and the outside of the fixing plate (10) is fixedly connected to two limiting plates (11).
4. The anti-loosening fastening device for the mine car connection part according to claim 1, characterized in that: The guide ring (16) is fixedly connected inside the fixed ring 2 (4), and the guide ring (16) is slidably connected inside the guide ring (16).
5. The anti-loosening fastening device for the mine car connection part according to claim 4, characterized in that: The pin (18) is externally fixedly connected to a fixing nut (17), the top of which contacts the bottom of the guide ring (16).
6. The anti-loosening fastening device for the mine car connection part according to claim 3, characterized in that: The exterior of the two fixed plates (9) is in contact with the exterior of the two limiting plates (11), and the bottom of the limiting plates (11) is slidably connected to the interior of the limiting disk (8).
7. The anti-loosening fastening device for the mine car connection part according to claim 2, characterized in that: The rotating column (13) is rotatably connected to the outer shell (15), and the omnidirectional ball (14) is rotatably connected to the inside of the outer shell (15).
8. The anti-loosening fastening device for the mine car connection part according to claim 1, characterized in that: The opposite sides of the multiple springs (7) are fixedly connected to the inside of the fixed ring 2 (4), and a slot is provided in the middle of the (2).