CN220763997U

CN220763997U - Semitrailer traction pin device

Info

Publication number: CN220763997U
Application number: CN202322756981.XU
Authority: CN
Inventors: 董爱军; 颜振
Original assignee: Shandong Welch Vehicle Parts Co ltd
Current assignee: Shandong Welch Vehicle Parts Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-04-12
Anticipated expiration: 2033-10-13

Abstract

The utility model relates to the technical field of traction pin devices, in particular to a semitrailer traction pin device, which comprises a connecting frame, wherein a traction plate is arranged at the bottom of the connecting frame, a butt joint groove is formed in the center of the bottom end of the connecting frame, a disc is clamped on the inner side of the butt joint groove through a mounting mechanism, a traction pin is arranged on one side of the disc, the mounting mechanism comprises a butt joint assembly and a positioning assembly, the butt joint assembly comprises a plurality of groups of mounting rods, the plurality of groups of mounting rods are slidably connected in the disc, an extension groove is formed in the disc, and a torsion ring is rotationally connected at the top end of the mounting rod; the utility model has simple structure and convenient operation, can complete assembly and disassembly only by pressing and rotating by the staff, lightens the labor capacity of the staff and improves the efficiency of disassembly, assembly and replacement.

Description

Semitrailer traction pin device

Technical Field

The utility model relates to the technical field of traction pin devices, in particular to a semitrailer traction pin device.

Background

In the transportation or production process of ports, logistics parks, semitrailer production enterprises and the like, the semitrailer needs to be frequently dispatched at different places, and the semitrailer needs to be utilized to drag when in traction, the traction pin is one of key parts for connecting the tractor and the semitrailer in the semitrailer train, and two types of semitrailer are available in national standards: the traction pin 50 and the traction pin 90 are matched with the traction seat 50 and the traction seat 90, the traction pins can be divided into a welding type and an assembling type according to an assembling mode, the welding type is not beneficial to disassembly and replacement when being welded on the connecting frame, the assembling type is fixed through a plurality of groups of fixing bolts, a worker is required to rotate each group of fixing bolts one by one for disassembly and assembly, the two groups of assembling modes are inconvenient when disassembling the traction pins with abrasion consumption after long-term use, and the working efficiency is reduced, so that a semi-trailer traction pin device is required to be designed so as to solve the problems.

Disclosure of Invention

The utility model aims to provide a traction pin device of a semitrailer, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a semitrailer towing pin device, includes the link, the traction plate is installed to the link bottom, the butt joint groove has been seted up to link bottom center department, the butt joint inslot side has the disc through the installation mechanism joint, the towing pin is installed to disc one side, installation mechanism includes docking assembly and locating component, docking assembly includes multiunit installation pole, multiunit installation pole sliding connection is inside the disc, the disc is inside to be located the installation pole outside and has seted up the extension groove, installation pole top rotation is connected with the torsion ring, the disc is inside to be located the installation pole outside and has been seted up the movable groove, install the movable disc with movable groove sliding connection in the installation pole outside, two sets of compression springs are installed according to the range of movable disc one side, the fixture block is installed to the one end that the installation pole extends to the disc outside, the locating piece is installed to the one end of fixture block.

As a preferable scheme of the utility model, the positioning assembly comprises a rotating seat, a plurality of groups of mounting grooves are arranged in the connecting frame, the rotating seat is rotationally connected to the inner side of the mounting grooves, springs are arranged at two ends of the top of the rotating seat, a top plate is arranged at the top end of the springs, a positioning groove which is in clamping connection with the positioning block is arranged at the top end of the top plate, a butt joint groove which extends to the inner side of the mounting grooves is arranged at one end of the connecting frame, clamping grooves are formed in two ends of one side of the mounting grooves in the connecting frame, and the clamping grooves are in clamping connection with the clamping blocks.

As a preferable scheme of the utility model, the section of the clamping block is U-shaped, and the clamping block is in sliding connection with the butt joint groove.

As a preferable scheme of the utility model, a moving groove is formed in one side of one end of the disc, which is positioned on the extending groove, a moving plate is connected to the inner side of the moving groove in a sliding manner, sliding grooves are formed in two sides, which are positioned on the moving groove, of the disc, and sliding blocks which are connected with the sliding grooves in a sliding manner are arranged on two sides of the moving plate.

As a preferable scheme of the utility model, one end of the moving plate is provided with a pulling groove.

As a preferable scheme of the utility model, one end of the moving plate is embedded with a magnetic block, and the inner wall of the extending groove is embedded with an iron block adsorbed with the magnetic block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the clamping blocks at the two ends of the disc are aligned with the butt joint grooves to be clamped in, then the torsion ring is held to push the mounting rod inwards, the top plate, the pressure spring and the spring can be extruded to move downwards by matching the positioning block and the positioning groove, then the rotating seat is driven to rotate, the torsion ring is released after the clamping blocks are rotated to the transverse direction, the two ends of the clamping blocks are clamped in the inner sides of the clamping grooves to finish fixing, when the clamping blocks are dismounted, the mounting rod is pushed to extrude the top plate by holding the torsion ring, and the clamping blocks are released after the clamping blocks are rotated to the longitudinal direction to be pulled out of the butt joint grooves to finish dismounting.

2. According to the utility model, the buckling and pulling groove is matched with the sliding block and the sliding groove to drive the moving plate to move, so that the magnetic block embedded at one end of the moving plate is adsorbed and fixed with the iron block embedded in the inner wall of the extending groove, and the torsion ring is covered on the inner side of the extending groove, so that the torsion ring is prevented from being touched by staff by mistake.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of the present utility model;

fig. 3 is an enlarged schematic view of the portion a of fig. 2 according to the present utility model.

In the figure: 1. a connecting frame; 2. a traction plate; 3. a butt joint groove; 4. a disc; 5. a traction pin; 6. a mounting rod; 7. an extension groove; 8. a movable plate; 9. a pressure spring; 10. a clamping block; 11. a positioning block; 12. a rotating seat; 13. a mounting groove; 14. a spring; 15. a top plate; 16. a torsion ring; 17. a clamping groove; 18. a moving groove; 19. a moving plate; 20. a sliding block; 21. a magnetic block.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Examples:

referring to fig. 1-3, the present utility model provides a technical solution:

the semitrailer traction pin device comprises a connecting frame 1, wherein the connecting frame 1 is fixedly connected to a semitrailer, a traction plate 2 is arranged at the bottom of the connecting frame 1, a butt joint groove 3 is formed in the center of the bottom end of the connecting frame 1, a disc 4 is clamped on the inner side of the butt joint groove 3 through a mounting mechanism, a traction pin 5 is arranged on one side of the disc 4, the mounting mechanism comprises a butt joint assembly and a positioning assembly, the butt joint assembly comprises a plurality of groups of mounting rods 6, the groups of mounting rods 6 are slidably connected inside the disc 4, an extension groove 7 is formed in the disc 4 and positioned on the outer side of the mounting rod 6, a torsion ring 16 is rotatably connected at the top end of the mounting rod 6, a movable groove is formed in the disc 4 and positioned on the outer side of the mounting rod 6, a movable disc 8 which is slidably connected with the movable groove is slidably connected is arranged on one side of the movable disc 8, two groups of pressure springs 9 are arranged on one side of the movable disc 8, one end of the mounting rod 6 extending to the outer side of the disc 4 is provided with a clamping block 10, the locating block 11 is installed to one end of fixture block 10, locating component includes rotating seat 12, the inside arrangement of link 1 has been seted up multiunit mounting groove 13, rotating seat 12 rotates and connects in mounting groove 13 inboard, spring 14 is all installed at the top both ends of rotating seat 12, roof 15 is installed on spring 14 top, the constant head tank that is connected with locating block 11 block joint is seted up on roof 15 top, the butt joint groove 3 that extends to mounting groove 13 inboard has been seted up to link 1 one end, draw-in groove 17 has all been seted up to the both ends that lie in mounting groove 13 side in link 1, draw-in groove 17 is connected for the block 10 block, the cross-section of block 10 is "U" type, block 10 and butt joint groove 3 are sliding connection, the device can be through aiming at the block 10 at butt joint groove 3 card of disc 4 both ends and go into, then hold torsion ring 16 inwards push mounting rod 6, but cooperation locating block 11 and constant head tank extrusion roof 15 when using, the pressure spring 9 and the spring 14 move downwards and then drive the rotating seat 12 to rotate, the clamping block 10 rotates to the transverse direction, then the torsion ring 16 is loosened to enable the two ends of the clamping block 10 to be clamped into the inner side of the clamping groove 17, fixing can be completed, when the clamping block is disassembled, the clamping block 10 is rotated to the longitudinal direction and then loosened to be pulled out of the butt joint groove 3 to complete disassembling, the structure is simple, the operation is convenient, the assembling and the disassembling can be completed only by pressing and rotating by a worker, the labor capacity of the worker is reduced, and the disassembling and replacing efficiency is improved.

In this embodiment, as shown in fig. 1, 2 and 3, a moving groove 18 is formed at one end of the disc 4 on one side of the extending groove 7, a moving plate 19 is slidably connected inside the moving groove 18, sliding grooves are formed at two sides of the disc 4 inside the moving groove 18, sliding blocks 20 slidably connected with the sliding grooves are mounted at two sides of the moving plate 19, a pull buckling groove is formed at one end of the moving plate 19, a magnetic block 21 is mounted at one end of the moving plate 19 in an embedded manner, an iron block adsorbed by the magnetic block 21 is mounted at the inner wall of the extending groove 7 in an embedded manner, and the moving plate 19 is driven to move by the pull buckling groove in cooperation with the sliding blocks 20 and the sliding grooves, so that the magnetic block 21 embedded at one end of the moving plate 19 is fixedly adsorbed to the iron block embedded at the inner wall of the extending groove 7, the torsion ring 16 is covered inside the extending groove 7, and the torsion ring 16 is prevented from being touched by staff by mistake.

The implementation principle of the semitrailer traction pin device provided by the embodiment of the application is as follows: when the device is used, the clamping blocks 10 at the two ends of the disc 4 can be aligned to the butt joint grooves 3 to be clamped in, then the torsion ring 16 is held to push the mounting rod 6 inwards, the top plate 15, the pressure spring 9 and the spring 14 can be extruded by the matching positioning block 11 and the positioning groove to move downwards, then the rotating seat 12 is driven to rotate, the torsion ring 16 is loosened after the clamping blocks 10 are rotated to the transverse direction, the two ends of the clamping blocks 10 are clamped into the inner sides of the clamping grooves 17 to be fixed, the mounting rod 3 is pushed to extrude the top plate 15 by holding the torsion ring 16 during disassembly, the clamping blocks 10 are loosened after being rotated to the longitudinal direction to be pulled out from the butt joint grooves 3 to be disassembled, the device is simple in structure and convenient to operate, the assembly and the disassembly can be completed by only pressing and rotating by a worker, the labor amount of the worker is reduced, the disassembly and replacement efficiency is improved, the magnetic blocks 21 embedded at one end of the moving plate 19 are adsorbed and fixed by the iron blocks embedded in the inner walls of the extending grooves 7, the torsion ring 16 is covered on the inner sides of the extending grooves 7, and the false contact of the worker is prevented.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Semitrailer towing pin device, including link (1), its characterized in that: the traction plate (2) is installed to link (1) bottom, butt joint groove (3) have been seted up to link (1) bottom central authorities department, butt joint groove (3) inboard has disc (4) through the installation mechanism joint, towing pin (5) are installed to disc (4) one side, installation mechanism includes docking assembly and locating component, docking assembly includes multiunit installation pole (6), multiunit installation pole (6) sliding connection is inside disc (4), extension groove (7) have been seted up in disc (4) inside is located installation pole (6) outside, installation pole (6) top rotation is connected with torsion ring (16), movable groove has been seted up in disc (4) inside is located installation pole (6) outside, install movable disc (8) with movable groove sliding connection in the installation pole (6) outside, install two sets of compression springs (9) in one side range of movable disc (8), fixture block (10) are installed to the outside one end of disc (4), fixture block (11) are installed to one end of fixture block (10).

2. A semitrailer kingpin assembly as defined in claim 1, wherein: the positioning assembly comprises a rotating seat (12), a plurality of groups of mounting grooves (13) are formed in the connecting frame (1), the rotating seat (12) is rotationally connected to the inner side of the mounting grooves (13), springs (14) are respectively arranged at the two ends of the top of the rotating seat (12), a top plate (15) is arranged at the top end of each spring (14), a positioning groove connected with a positioning block (11) in a clamping mode is formed in the top end of each top plate (15), a butt joint groove (3) extending to the inner side of the mounting groove (13) is formed in one end of the connecting frame (1), clamping grooves (17) are formed in the two ends, located on one side of the mounting groove (13), of the connecting frame (1), and the clamping grooves (17) are connected with clamping blocks (10) in a clamping mode.

3. A semitrailer kingpin assembly as defined in claim 2, wherein: the section of the clamping block (10) is U-shaped, and the clamping block (10) is in sliding connection with the butt joint groove (3).

4. A semitrailer kingpin assembly as defined in claim 1, wherein: the utility model discloses a movable plate, including disc (4), movable plate, sliding block (20) with sliding connection is all offered in the both sides that are located movable groove (18) in disc (4), movable groove (18) have been offered in one side that disc (4) one end is located extension groove (7), movable plate (19) inboard sliding connection has movable plate (19), sliding plate (19) both sides all install with sliding connection.

5. A semitrailer kingpin assembly as defined in claim 4, wherein: one end of the moving plate (19) is provided with a buckling groove.

6. A semitrailer kingpin assembly as defined in claim 4, wherein: the magnetic block (21) is embedded and installed at one end of the moving plate (19), and the iron block adsorbed with the magnetic block (21) is embedded and installed on the inner wall of the extension groove (7).