Towing pin assembly with positioning anti-loosening structure

Abstract

This utility model relates to the field of traction pin technology and discloses a traction pin assembly with a positioning and anti-loosening structure. It includes a first mounting plate, a traction mechanism on the right side of the first mounting plate, a limiting mechanism on the top of the traction mechanism, and a support frame fixedly connected to the right side of the first mounting plate. A hydraulic cylinder is fixedly connected to the top of the support frame, and a moving platform is fixedly connected to the bottom of the hydraulic cylinder. In use, when traction is required, the first and second mounting plates are first fixed to the traction and towed equipment or vehicle using external fixing devices. This causes the support frame to move the positioning cover and connecting block to the right. When the connecting block is at the rightmost position within the connecting frame, the movement stops. Simultaneously, the hydraulic cylinder drives the moving platform to slide within the support frame, allowing for flexible adjustment of the positioning cover's position based on the ball joint position, thus achieving precise traction positioning.

Description

Technical Field

[0001] This utility model relates to the field of traction pin technology, specifically to a traction pin assembly with a positioning and anti-loosening structure. Background Technology

[0002] In the field of towing pin technology, the towing pin, as a key component for achieving traction connections between equipment or vehicles, directly affects the safety and reliability of traction operations. With the development of industrial production and transportation, higher requirements are being placed on the positioning accuracy and anti-loosening properties of towing pins.

[0003] Some existing traction pin devices have certain problems in practical applications. For example, during the traction process, the connection is prone to loosening due to various factors such as vibration and tension. This not only leads to increased equipment wear and tear but may also pose safety hazards. At the same time, existing devices are often difficult to adjust the positioning flexibly when facing different working conditions, which limits their versatility and applicability and makes it impossible to accurately meet various traction needs. Problems caused by connection deviations are quite common. Furthermore, when connecting the traction pin to the traction seat, the operation is complicated and the stability is poor. Therefore, it is necessary to design a traction pin assembly with a positioning and anti-loosening structure to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a traction pin assembly with a positioning and anti-loosening structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a traction pin assembly with a positioning and anti-loosening structure, comprising a first mounting plate, a traction mechanism disposed on the right side of the first mounting plate, and a limit mechanism disposed on the top of the traction mechanism;

[0006] The traction mechanism includes a support frame, which is fixedly connected to the right side of a first mounting plate. A hydraulic cylinder is fixedly connected to the top of the support frame, and a moving platform is fixedly connected to the bottom of the hydraulic cylinder. A positioning cover is fixedly connected to the right side of the moving platform, and a connecting block is fixedly connected to the top of the positioning cover. A ball head is slidably connected inside the positioning cover, and a connecting frame is fixedly connected to the bottom of the ball head. A second mounting plate is fixedly connected to the right side of the connecting frame, and a fixing rod is fixedly connected to the inner side of the connecting frame. A limit frame is inserted into the fixing rod, and a limit shaft is threaded into the limit frame. An insert block is fixedly connected to the inner side of the limit frame and is disposed inside the limit mechanism.

[0007] Preferably, the limiting frame extends through the inside of the connecting frame, and the connecting frame and the fixing rod are respectively provided with fixing slots, and the two fixing slots correspond to each other. The limiting frame is inserted into the fixing slot, which facilitates the stability between the connecting block and the fixing rod by the limiting frame.

[0008] Preferably, the limiting shaft passes through the inside of the connecting frame, the connecting block, and the fixing rod. The limiting frame, the connecting frame, the connecting block, and the fixing rod are each provided with a limiting groove, and the four limiting grooves correspond to each other. The limiting shaft is threaded into the limiting groove, which facilitates further ensuring the stability between the limiting frame, the connecting block, and the fixing rod, and realizing the stability between the positioning cover and the ball head.

[0009] Preferably, the movable platform is slidably connected inside the support frame, the fixed rod is slidably connected inside the connecting block, and the connecting block is slidably connected inside the connecting frame, so as to facilitate the positioning connection between the ball head and the positioning cover through the connecting block.

[0010] Preferably, there are two sets of the limiting frame, limiting shaft and insert block, which are symmetrically distributed on the front and rear sides of the connecting frame. This allows the two sets to further limit the connection block and fixing rod.

[0011] Preferably, the limiting mechanism includes a rotating rod, which is fixedly connected to the front and rear sides of the connecting frame. A rotating frame is rotatably connected to the periphery of the rotating rod. A pressure plate is fixedly connected to the bottom left end of the rotating frame. The pressure plate is disposed on the top of the connecting block. A mounting frame is slidably connected to the periphery of the rotating rod. An anti-loosening frame is fixedly connected to the left side of the mounting frame. The anti-loosening frame is disposed on the top of the pressure plate.

[0012] Preferably, the bottom of the pressure plate is in contact with the top of the connecting block, the bottom of the anti-loosening frame is in contact with the top of the pressure plate, the mounting frame is slidably connected to the periphery of the limiting frame, and the top of the mounting frame is in contact with the top of the connecting frame. The mounting frame has a groove inside that is the same as the movement trajectory of the insert block, and the insert block is inserted into the groove, so as to ensure the stability of the mounting frame on the top of the connecting frame through the insert block.

[0013] Compared with the prior art, this utility model provides a traction pin assembly with a positioning and anti-loosening structure, which has the following beneficial effects:

[0014] 1. This traction pin assembly with a positioning and anti-loosening structure, through its traction mechanism, allows for the following steps when traction is required: First, the first and second mounting plates are fixed to the traction and towed equipment or vehicle using external fixing devices. This causes the support frame to move the positioning cover and connecting block to the right. The movement stops when the connecting block is at the rightmost position within the connecting frame. Simultaneously, the hydraulic cylinder drives the moving platform to slide within the support frame. The position of the positioning cover can be flexibly adjusted according to the ball joint position, achieving precise traction positioning. This adapts to traction needs under different working conditions, improving the equipment's versatility and applicability, and ensuring traction continuity. To ensure accurate connection and reduce equipment wear and safety hazards caused by connection deviations, the connecting block slides around the fixed rod until the positioning cover slides and connects to the ball head. The limiting frame passes through the connecting frame and is inserted into the fixing groove of the fixed rod. Together with the threaded connection of the limiting shaft in the limiting groove, a multi-dimensional fixing structure is formed. Two sets of symmetrically distributed limiting frames, limiting shafts and inserts reinforce the connecting frame, connecting block and fixed rod from the front and rear sides, greatly enhancing the stability of the connection and effectively preventing loosening caused by vibration, tension and other factors during traction, thus ensuring the safety and reliability of traction operations.

[0015] 2. The traction pin assembly with positioning and anti-loosening structure, through the set limiting mechanism, when the positioning cover slides to the outer periphery of the ball head to achieve connection, and the connecting block slides to the outer periphery of the fixed rod, the rotating rod, rotating frame, and pressure plate constitute the first limiting structure. The pressure plate's downward pressure on the connecting block restricts the longitudinal movement of the connecting block. The cooperation of the mounting frame, anti-loosening frame, and limiting frame forms the second anti-loosening structure. The anti-loosening frame constrains the pressure plate to prevent the pressure plate from loosening and moving upward. The double limiting and anti-loosening design further improves the anti-loosening performance of the traction pin assembly, ensuring that the connection part remains stable during long-term, high-intensity traction operations. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the left-side structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the traction mechanism structure;

[0020] Figure 4This is a schematic diagram of the right side structure of the mobile station;

[0021] Figure 5 This is a schematic diagram of the internal structure of the connecting frame;

[0022] Figure 6 This is a schematic diagram of the limiting mechanism.

[0023] In the diagram: 1. First mounting plate; 2. Traction mechanism; 3. Limiting mechanism; 21. Support frame; 22. Moving platform; 23. Hydraulic cylinder; 24. Positioning cover; 25. Connecting block; 26. Ball head; 27. Connecting frame; 28. Second mounting plate; 29. ​​Fixed rod; 291. Limiting frame; 292. Limiting shaft; 293. Insert block; 31. Rotating rod; 32. Rotating frame; 33. Pressure plate; 34. Mounting frame; 35. Anti-loosening frame. Detailed Implementation

[0024] 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.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] This utility model provides the following technical solution:

[0027] Example 1

[0028] Please see Figure 1-6 This utility model provides a technical solution: a traction pin assembly with a positioning and anti-loosening structure, including a first mounting plate 1, a traction mechanism 2 on the right side of the first mounting plate 1, and a limit mechanism 3 on the top of the traction mechanism 2;

[0029] The traction mechanism 2 includes a support frame 21, which is fixedly connected to the right side of the first mounting plate 1. A hydraulic cylinder 23 is fixedly connected to the top of the support frame 21, and a moving platform 22 is fixedly connected to the bottom of the hydraulic cylinder 23. A positioning cover 24 is fixedly connected to the right side of the moving platform 22, and a connecting block 25 is fixedly connected to the top of the positioning cover 24. A ball head 26 is slidably connected inside the positioning cover 24, and a connecting frame 27 is fixedly connected to the bottom of the ball head 26. A second mounting plate 28 is fixedly connected to the right side of the connecting frame 27, and a fixing rod 29 is fixedly connected to the inside of the connecting frame 27. A limit frame 291 is inserted into the inside of the fixing rod 29, and a limit shaft 292 is threadedly connected inside the limit frame 291. An insert block 293 is fixedly connected to the inside of the limit frame 291 and is disposed inside the limit mechanism 3.

[0030] The limiting frame 291 extends through the inside of the connecting frame 27. The connecting frame 27 and the fixing rod 29 are respectively provided with fixing slots, and the two fixing slots correspond to each other. The limiting frame 291 is inserted into the fixing slot, which facilitates the stability between the connecting block 25 and the fixing rod 29 through the limiting frame 291.

[0031] The limiting shaft 292 passes through the inside of the connecting frame 27, the connecting block 25, and the fixing rod 29. Limiting grooves are respectively opened inside the limiting frame 291, the connecting frame 27, the connecting block 25, and the fixing rod 29, and the four limiting grooves correspond to each other. The limiting shaft 292 is threaded into the limiting groove, which facilitates the further stability between the limiting frame 291, the connecting block 25, and the fixing rod 29 through the limiting shaft 292, and realizes the stability between the positioning cover 24 and the ball head 26.

[0032] The movable platform 22 is slidably connected to the inside of the support frame 21, the fixed rod 29 is slidably connected to the inside of the connecting block 25, and the connecting block 25 is slidably connected to the inside of the connecting frame 27, so as to facilitate the positioning connection between the ball head 26 and the positioning cover 24 through the connecting block 25. Two sets of limiting frames 291, limiting shafts 292 and insert blocks 293 are provided. The two sets of limiting frames 291, limiting shafts 292 and insert blocks 293 are symmetrically distributed on the front and rear sides of the connecting frame 27, so as to further limit the connecting block 25 and the fixed rod 29 by setting two sets.

[0033] Example 2

[0034] Please see Figure 1-6 Furthermore, based on Embodiment 1, the limiting mechanism 3 further includes a rotating rod 31, which is fixedly connected to the front and rear sides of the connecting frame 27. A rotating frame 32 is rotatably connected to the outer periphery of the rotating rod 31. A pressure plate 33 is fixedly connected to the bottom left end of the rotating frame 32. The pressure plate 33 is located on the top of the connecting block 25. A mounting frame 34 is slidably connected to the outer periphery of the rotating rod 31. An anti-loosening frame 35 is fixedly connected to the left side of the mounting frame 34. The anti-loosening frame 35 is located on the top of the pressure plate 33.

[0035] The bottom of the pressure plate 33 is in contact with the top of the connecting block 25, the bottom of the anti-loosening bracket 35 is in contact with the top of the pressure plate 33, the mounting bracket 34 is slidably connected to the periphery of the limiting bracket 291, and the top of the mounting bracket 34 is in contact with the top of the connecting frame 27. The mounting bracket 34 has a groove inside that is the same as the movement trajectory of the insert block 293. The insert block 293 is inserted into the groove, which makes it easy to ensure the stability of the mounting bracket 34 on the top of the connecting frame 27 through the insert block 293.

[0036] In actual operation, when this device is used and traction work is required, the first mounting plate 1 and the second mounting plate 28 are first fixed to the traction and traction equipment or vehicle respectively by external fixing equipment. At the same time, the traction equipment drives the support frame 21 to move, so that the support frame 21 drives the positioning cover 24 and the connecting block 25 to move to the right. When the connecting block 25 is at the rightmost position in the connecting frame 27, the movement can be stopped. At the same time, the hydraulic cylinder 23 drives the moving platform 22 to slide in the support frame 21. The position of the positioning cover 24 can be flexibly adjusted according to the position of the ball head 26 to achieve precise positioning of traction. It can adapt to the traction needs under different working conditions, improve the versatility and applicability of the equipment, ensure the accuracy of the traction connection, reduce equipment loss and safety hazards caused by connection deviation, and make the connecting block 25 slide around the fixed rod 29 until the positioning cover 24 slides and connects to the outside of the ball head 26.

[0037] After the connection is completed, the mounting bracket 34 drives the rotating bracket 32 ​​and the pressure plate 33 to rotate around the rotating rod 31, so that the pressure plate 33 is on top of the connecting block 25 to limit the positioning cover 24. At the same time, the mounting bracket 34 drives the anti-loosening bracket 35 to slide and connect to the top of the connecting frame 27 and is located around the rotating rod 31, so that the top of the mounting bracket 34 is in contact with the top of the connecting frame 27, and the bottom of the anti-loosening bracket 35 is in contact with the top of the pressure plate 33. At this time, the limiting bracket 291 is inserted into the connecting frame 27 and the fixing rod 29, and the insert block 293 is inserted into the mounting bracket 34. At the same time, the limiting shaft 292 is threaded into the connecting frame 27, the limiting bracket 291, the fixing rod 29 and the connecting block 25, so as to ensure the stability between the connecting block 25 and the fixing rod 29.

[0038] The positioning cover 24 and the ball head 26 are in a stable state. Two sets of symmetrically distributed limit frames 291, limit shafts 292 and insert blocks 293 reinforce the connecting frame 27, connecting block 25 and fixing rod 29 from the front and rear sides, which greatly enhances the stability of the connection part and effectively prevents loosening caused by vibration, tension and other factors during traction, ensuring the safety and reliability of traction operation.

[0039] The rotating rod 31, rotating frame 32 and pressure plate 33 constitute the first limiting structure. The pressure plate 33 presses down on the connecting block 25, limiting the longitudinal movement of the connecting block 25. The mounting frame 34, anti-loosening frame 35 and limiting frame 291 cooperate to form the second anti-loosening structure. The anti-loosening frame 35 constrains the pressure plate 33 to prevent the pressure plate 33 from loosening and moving upward. The double limiting and anti-loosening design further improves the anti-loosening performance of the traction pin assembly, ensuring that the connection part remains stable during long-term and high-intensity traction operations.

[0040] The sliding connection design between the fixed rod 29 and the connecting block 25, and between the connecting block 25 and the connecting frame 27, allows each component to have a certain degree of freedom of movement while achieving positioning and connection functions, and facilitates installation and disassembly.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A traction pin assembly with a positioning and anti-loosening structure, comprising a first mounting plate (1), characterized in that: A traction mechanism (2) is provided on the right side of the first mounting plate (1), and a limit mechanism (3) is provided on the top of the traction mechanism (2); The traction mechanism (2) includes a support frame (21), which is fixedly connected to the right side of the first mounting plate (1). A hydraulic cylinder (23) is fixedly connected to the top of the support frame (21), and a moving platform (22) is fixedly connected to the bottom of the hydraulic cylinder (23). A positioning cover (24) is fixedly connected to the right side of the moving platform (22). A connecting block (25) is fixedly connected to the top of the positioning cover (24). A ball head (26) is slidably connected inside the positioning cover (24), and a connecting frame (27) is fixedly connected to the bottom of the ball head (26). A second mounting plate (28) is fixedly connected to the right side of the connecting frame (27). A fixing rod (29) is fixedly connected to the inside of the connecting frame (27). A limit frame (291) is inserted into the inside of the fixing rod (29). A limit shaft (292) is threadedly connected inside the limit frame (291). A plug (293) is fixedly connected to the inside of the limit frame (291). The plug (293) is located inside the limit mechanism (3).

2. The traction pin assembly with positioning and anti-loosening structure according to claim 1, characterized in that: The limiting frame (291) passes through the inside of the connecting frame (27). The connecting frame (27) and the fixing rod (29) are respectively provided with fixing slots, and the two fixing slots correspond to each other. The limiting frame (291) is inserted into the fixing slot.

3. The traction pin assembly with positioning and anti-loosening structure according to claim 1, characterized in that: The limiting shaft (292) passes through the inside of the connecting frame (27), the connecting block (25) and the fixing rod (29). The limiting frame (291), the connecting frame (27), the connecting block (25) and the fixing rod (29) are respectively provided with limiting grooves, and the four limiting grooves correspond to each other. The limiting shaft (292) is threaded into the limiting groove.

4. The traction pin assembly with positioning and anti-loosening structure according to claim 1, characterized in that: The mobile platform (22) is slidably connected to the inside of the support frame (21), the fixed rod (29) is slidably connected to the inside of the connecting block (25), and the connecting block (25) is slidably connected to the inside of the connecting frame (27).

5. The traction pin assembly with positioning and anti-loosening structure according to claim 1, characterized in that: The limiting frame (291), limiting shaft (292) and insert (293) are provided in two sets, and the two sets of the limiting frame (291), limiting shaft (292) and insert (293) are symmetrically distributed on the front and rear sides of the connecting frame (27).

6. The traction pin assembly with positioning and anti-loosening structure according to claim 1, characterized in that: The limiting mechanism (3) includes a rotating rod (31), which is fixedly connected to the front and rear sides of the connecting frame (27). A rotating frame (32) is rotatably connected to the outer periphery of the rotating rod (31). A pressure plate (33) is fixedly connected to the bottom left end of the rotating frame (32). The pressure plate (33) is located on the top of the connecting block (25). An installation frame (34) is slidably connected to the outer periphery of the rotating rod (31). An anti-loosening frame (35) is fixedly connected to the left side of the installation frame (34). The anti-loosening frame (35) is located on the top of the pressure plate (33).

7. A traction pin assembly with a positioning and anti-loosening structure according to claim 6, characterized in that: The bottom of the pressure plate (33) is in contact with the top of the connecting block (25), the bottom of the anti-loosening frame (35) is in contact with the top of the pressure plate (33), the mounting frame (34) is slidably connected to the periphery of the limiting frame (291), and the top of the mounting frame (34) is in contact with the top of the connecting frame (27). The mounting frame (34) has a sliding groove inside that is the same as the movement trajectory of the insert (293), and the insert (293) is inserted into the sliding groove.

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