Wear-resistant pin shaft with reinforcement at nodes

By designing a limiting block and sliding rod structure on the pin, the assembly and disassembly process of the pin is simplified, solving the problem of complex disassembly of existing pins, achieving efficient installation and disassembly, and improving construction efficiency.

CN117662590BActive Publication Date: 2026-02-13JIANGSU HUATIAN MACHINERY EQUIP
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202311621186.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-29
Publication Date
2026-02-13
Estimated Expiration
2043-11-29

AI Technical Summary

Technical Problem

The existing pin shaft disassembly and installation process is complicated, resulting in high labor intensity and low construction efficiency.

Method used

Design a wear-resistant pin shaft with a reinforced structure at the joint. By using a combination of limit blocks, slide rods and telescopic rods, the shaft body and outer cylinder can be easily fixed and separated, simplifying the assembly and disassembly process.

Benefits of technology

It improves the efficiency of assembling and disassembling the pins, reduces labor intensity and installation time, and enhances construction efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN117662590B_ABST
    Figure CN117662590B_ABST
Patent Text Reader

Abstract

The application relates to the technical field of pin shafts, in particular to a wear-resistant pin shaft with a reinforcing structure at a node; the wear-resistant pin shaft comprises the following parts: one side of an outer cylinder is provided with a shaft body, the top end and the bottom end of the outer cylinder are respectively and symmetrically fixedly connected with L-shaped fixed plates, a sliding rod one is slidably connected in the L-shaped fixed plates, the top end of the sliding rod one is provided with a limiting block, the bottom end of the sliding rod one is provided with a mounting block, and the bottom end of the mounting block is provided with a sliding plate; the surface of the shaft body is symmetrically and uniformly provided with a plurality of fixed grooves, each fixed groove is provided with a fixed block in the inside, a telescopic rod two is arranged in the inside of the fixed groove, and the outside of the telescopic rod two is provided with a spring two; the limiting block is pressed, the sliding plate is driven to make the fixed block inserted into the fixed groove or slid into a sliding groove two, the shaft body and the outer cylinder are fixed or separated, and the wear-resistant pin shaft is convenient to disassemble and assemble; the structure is simple, convenient to operate and accurate in positioning; the labor intensity of workers is reduced, the labor time for installing the pin shaft is reduced, the disassembly and assembly efficiency of the pin shaft is improved, and the construction efficiency of the equipment is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pin shafts, in particular to a wear-resistant pin shaft with a reinforcing structure at a node. BACKGROUND

[0002] Pin shafts are a kind of standardized fasteners that can be used for static fixation and connection, and can also be used for relative movement with the connected parts, mainly used for the hinged connection of two parts. Pin shafts are usually locked with split pins, and are reliable in work and convenient to disassemble.

[0003] Chinese patent CN101725599A provides a connecting pin shaft for connecting two structural parts, comprising a pin shaft body, a cylinder cover, a piston, a piston rod and a fixed clamping assembly; one side of the pin shaft body is provided with a piston cavity for accommodating the piston; the cylinder cover is sealingly connected with the opening end of the pin shaft body; the piston is arranged in the piston cavity of the pin shaft body; one end of the piston rod is fixedly connected with the piston in the piston cavity of the pin shaft body, and the other end of the piston rod extends from the middle of the cylinder cover; the fixed clamping assembly is used to fix the relative position between the extending end of the piston rod and the structural part; the cylinder cover has an oil channel communicating with the piston cavity with the rod, and the piston rod has an oil channel communicating with the piston cavity without the rod.

[0004] However, the disassembly and installation process of the above-mentioned device is relatively complex, which is not conducive to quick disassembly or installation, resulting in a large labor intensity of the workers, and the pin shaft installation takes a long time, which is not conducive to improving the disassembly and installation efficiency of the pin shaft, and may result in low construction efficiency. SUMMARY

[0005] The present application aims to provide a wear-resistant pin shaft with a reinforcing structure at a node to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a wear-resistant pin shaft with a reinforcing structure at a node, comprising: an outer cylinder, one side of the outer cylinder is provided with a shaft body, the top end and the bottom end of the outer cylinder are respectively fixedly connected with L-shaped fixed plates, the inside of the L-shaped fixed plates is slidingly connected with a sliding rod one, the top end of the sliding rod one is provided with a limiting block, the bottom end of the sliding rod one is provided with a mounting block, and the bottom end of the mounting block is provided with a sliding plate;

[0007] The surface of the shaft body is symmetrically and uniformly provided with a plurality of fixed grooves, each fixed groove is provided with a fixed block inside, the inside of the fixed groove is provided with a telescopic rod two, and the outside of the telescopic rod two is provided with a spring two;

[0008] The side of the mounting block away from the L-shaped fixed plate is provided with a slot, the inside of the slot is provided with a plug, the top end of the plug is provided with a pull plate, and the bottom end of the plug is provided with a sliding block one.

[0009] Preferably, the limiting block is fixedly connected to the top end of the sliding rod one, the mounting block is fixedly connected to the bottom end of the sliding rod one, the outer wall of the sliding rod one is slidably connected with an L-shaped fixed plate, the bottom end of the mounting block is fixedly connected to the top end of the sliding rod two, the outer wall of the sliding rod two is slidably connected with an outer cylinder, the bottom end of the sliding rod two is fixedly connected with a sliding plate penetrating through the outer cylinder, and the bottom end of the sliding plate is provided with a fixed block.

[0010] Preferably, one end of the telescopic rod two is fixedly connected to the inside of the fixed groove, the other end of the telescopic rod two is fixedly connected to the bottom end of the fixed block, one end of the spring two is fixedly connected with the fixed groove, the other end of the spring two is fixedly connected with the fixed block, the outer wall of the fixed block is slidably connected with the fixed groove, and the fixed grooves are symmetrically and uniformly arranged on the two sides of the shaft body.

[0011] Preferably, the top end and the bottom end of the outer cylinder are symmetrically provided with a sliding groove two on the inner wall, the inner wall of the sliding groove two is slidably connected with a sliding plate, the bottom end of the sliding plate is provided with a fixed block, the top end and the bottom end of the outer cylinder are symmetrically provided with a sliding groove one on the outside, the inside of the sliding groove one is slidably connected with a sliding block one, the top end of the sliding block one is fixedly connected to the bottom end of the insertion block, the top end of the insertion block away from the mounting block is fixedly connected with a pull plate, and the pull plate is convenient for workers to pull the insertion block to make the insertion block exit the insertion groove.

[0012] Preferably, the top end and the bottom end of the outer cylinder are symmetrically fixedly connected with a fixed plate on the outer wall away from the shaft body, the input end of the telescopic rod one is fixedly connected to the fixed plate on the side close to the L-shaped fixed plate, the output end of the telescopic rod one is fixedly connected to one side of the insertion block, the other side of the insertion block is slidably connected with an insertion groove, the outer part of the telescopic rod one is provided with a spring one, one end of the spring one is fixedly connected with the fixed plate, and the other end of the spring one is fixedly connected with the insertion block.

[0013] Preferably, the inside of the L-shaped fixed plate is symmetrically provided with a recess, the inside of the recess is fixedly connected with the input end of the telescopic rod three on the side wall, the output end of the telescopic rod three is fixedly connected with a guide block, the outer part of the telescopic rod three is provided with a spring three, one end of the spring three is fixedly connected with the recess, and the other end of the spring three is fixedly connected with the guide block.

[0014] Preferably, the insertion groove is arranged on the side of the mounting block away from the L-shaped fixed plate, the inside of the insertion groove is slidably connected with the insertion block, and the guide groove is symmetrically arranged on the bottom end of the sliding rod one.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] The application is fixed or separated by pressing the limiting block, driving the sliding plate to make the fixed block insert into the fixed slot or slide into the sliding groove, which is convenient for disassembly and installation, simple in structure, convenient in operation, accurate in positioning, reduces the labor intensity of workers and the labor time of pin shaft installation, improves the disassembly and installation efficiency of pin shaft, and is beneficial to improve the construction efficiency of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure perspective view of the application;

[0018] Figure 2 It is a structure front view of the application;

[0019] Figure 3 It is a structure section view of the application;

[0020] Figure 4 It is a structure perspective view of the application; Figure 3 It is an A area structure enlarged view of the application;

[0021] Figure 5 It is a B area structure enlarged view of the application. Figure 3

[0022] In the figure: 1, outer cylinder; 2, sliding groove one; 3, sliding block one; 4, pull plate; 5, installation block; 6, limiting block; 7, guide groove; 8, shaft body; 9, L-shaped fixed plate; 10, sliding rod one; 11, plug block; 12, telescopic rod one; 13, spring one; 14, fixed plate; 15, sliding groove two; 16, fixed block; 17, sliding plate; 18, fixed slot; 19, telescopic rod two; 20, spring two; 21, telescopic rod three; 22, spring three; 23, guide block; 24, recess; 25, plug groove; 26, sliding rod two. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme of the application clear and complete, and the advantages more clear and obvious, the embodiments of the application are further described in detail below with reference to the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the application, not all the embodiments, which are used to explain the embodiments of the application, and do not limit the embodiments of the application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the application.

[0024] Please refer to Figures 1 to 5 ​The application provides a wear-resistant pin shaft with a reinforcing structure at a node, which comprises an outer cylinder 1, one side of the outer cylinder 1 is provided with a shaft body 8, the top end and the bottom end of the outer cylinder 1 are respectively and symmetrically fixedly connected with L-shaped fixing plates 9, a limiting block 6 is fixedly connected to the top end of a sliding rod 10, the sliding rod 10 is driven to slide along the L-shaped fixing plate 9 by pulling the limiting block 6, an installation block 5 is fixedly connected to the bottom end of the sliding rod 10, the outer wall of the sliding rod 10 is slidably connected with the L-shaped fixing plate 9, the bottom end of the installation block 5 is fixedly connected to the top end of a sliding rod 26, the outer wall of the sliding rod 26 is slidably connected with the outer cylinder 1, the bottom end of the sliding rod 26 is fixedly connected with a sliding plate 17 through the outer cylinder 1, the bottom end of the sliding plate 17 is provided with a fixing block 16, and the position of the sliding rod 10 is limited by the guide grooves 7 which are formed at the two sides of the sliding rod 10 and are consistent with the guide blocks 23.

[0025] The surface of the shaft body 8 is symmetrically and uniformly provided with a plurality of fixing grooves 18, each fixing groove 18 is provided with a fixing block 16 in the inside, the inside of the fixing groove 18 is provided with a telescopic rod 19, and the outside of the telescopic rod 19 is provided with a spring 20; one end of the telescopic rod 19 is fixedly connected to the inside of the fixing groove 18, the other end of the telescopic rod 19 is fixedly connected to the bottom end of the fixing block 16, one end of the spring 20 is fixedly connected with the fixing groove 18, the other end of the spring 20 is fixedly connected with the fixing block 16, the outer wall of the fixing block 16 is slidably connected with the fixing groove 18, the fixing grooves 18 are symmetrically and uniformly formed at the two sides of the shaft body 8, the sliding plate 17 is driven to slide along the sliding groove 15 by driving the fixing block 16 to slide along the fixing groove 18 through the telescopic rod 19, one end of the telescopic rod 19 is fixedly connected to the inside of the fixing groove 18, the other end of the telescopic rod 19 is fixedly connected to the bottom end of the fixing block 16, one end of the spring 20 is fixedly connected with the fixing groove 18, the other end of the spring 20 is fixedly connected with the fixing block 16, the outer wall of the fixing block 16 is slidably connected with the fixing groove 18, and the fixing grooves 18 are symmetrically and uniformly formed at the two sides of the shaft body 8; the top end and the bottom end of the outer cylinder 1 are symmetrically provided with the sliding grooves 15 in the inner walls, the sliding plate 17 is slidably connected with the inner wall of the sliding groove 15, the bottom end of the sliding plate 17 is provided with the fixing block 16, the top end and the bottom end of the outer cylinder 1 are symmetrically provided with the sliding grooves 2 in the outside, the sliding block 1 is slidably connected with the inside of the sliding groove 1, the top end of the sliding block 1 is fixedly connected to the middle of the bottom end of the plug 11, the end, away from the installation block 5, of the plug 11 is fixedly connected with the pull plate 4, the plug 11 is pulled out of the insertion groove 25, the installation block 5 is limited by the plug 11 and the insertion groove 25 corresponding to the plug 11, the sliding rod 26 drives the sliding plate 17 to be pressed downward, the fixing block 16 is pressed downward into the inside of the fixing groove 18, the shaft body 8 is separated from the outer cylinder 1 by pulling the shaft body 8.

[0026] The installation block 5 is provided with a slot 25 away from one side of the L-shaped fixed plate 9, the inside of the slot 25 is provided with an insertion block 11, the top end of the insertion block 11 is provided with a pull plate 4, the bottom end of the insertion block 11 is provided with a sliding block one 3; by pulling the pull plate 4 to drive the sliding block one 3 to slide along the sliding groove one 2, by setting the spring one 13 and the telescopic rod one 12 at the rear end of the insertion block 11 to make the insertion block 11 insert into the slot 25, the position of the sliding rod two 26 is limited, the top end and the bottom end of the outer cylinder 1 are fixedly connected with the fixed plate 14 symmetrically away from the outer wall of one end of the shaft body 8, the fixed plate 14 is fixedly connected with the input end of the telescopic rod one 12 on the side of the top end close to the L-shaped fixed plate 9, the output end of the telescopic rod one 12 is fixedly connected on one side of the insertion block 11, the other side of the insertion block 11 is slidingly connected with the slot 25, the outside of the telescopic rod one 12 is provided with the spring one 13, one end of the spring one 13 is fixedly connected with the fixed plate 14, the other end of the spring one 13 is fixedly connected with the insertion block 11; the recess 24 is symmetrically provided inside the L-shaped fixed plate 9, the input end of the telescopic rod three 21 is fixedly connected on the inside of one side wall of the recess 24, the output end of the telescopic rod three 21 is fixedly connected with the guide block 23, the outside of the telescopic rod three 21 is provided with the spring three 22, one end of the spring three 22 is fixedly connected with the recess 24, the other end of the spring three 22 is fixedly connected with the guide block 23, the guide arc provided on the surface of the guide block 23 is consistent with the arc of the guide groove 7, the guide block 23 is slidingly connected with the guide groove 7, by pressing the limiting block 6 downward to drive the guide block 23 to slide along the guide groove 7 to shrink, the sliding rod one 10 is slid, the guide block 23 is inserted into the guide groove 7 by the telescopic rod three 21 and the spring three 22 to fix the sliding rod one 10, the slot 25 is provided on one side of the installation block 5 away from the L-shaped fixed plate 9, the inside of the slot 25 is slidingly connected with the insertion block 11, the guide groove 7 is symmetrically provided at the bottom end of the sliding rod one 10, the slot 25 is provided on one side of the installation block 5 away from the L-shaped fixed plate 9, the inside of the slot 25 is slidingly connected with the insertion block 11, the guide groove 7 is symmetrically provided at the bottom end of the sliding rod one 10.

[0027] By pulling the limiting block 6 to drive the sliding rod one 10 along the L-shaped fixed plate 9, the position of the sliding rod one 10 is limited by the guide groove 7 on both sides of the sliding rod one 10, and the sliding plate 17 is driven to slide upward under the action of the fixed block 16, which facilitates the disassembly and installation of the equipment, has the characteristics of simple structure, convenient operation and accurate positioning, reduces the labor intensity of workers and the labor time of pin shaft installation, improves the disassembly and installation efficiency of the pin shaft, and makes the fixed block 16 inserted into the sliding groove two 15 to fix the outer cylinder 1 and the shaft body 8 together. The fixed block 16 is driven to slide along the fixed groove 18 by the telescopic rod two 19, and the sliding plate 17 is driven to slide along the sliding groove two 15. The installation block 5 is limited by the setting of the plug-in block 11 and the plug-in groove 25 corresponding to the plug-in block 11, the sliding rod two 26 drives the sliding plate 17 to extrude downward and drives the fixed block 16 to extrude into the inside of the fixed groove 18, the shaft body 8 is pulled to separate the shaft body 8 from the outer cylinder 1, the sliding block one 3 is driven to slide along the sliding groove one 2 by pulling the pull plate 4, the plug-in block 11 is inserted into the plug-in groove 25 by setting the spring one 13 and the telescopic rod one 12 at the rear end of the plug-in block 11, the position of the sliding rod two 26 is limited, the guide block 23 is driven to slide along the guide groove 7 by pressing the limiting block 6 downward to shrink, the sliding rod one 10 is driven to slide, the guide block 23 is inserted into the guide groove 7 by the telescopic rod three 21 and the spring three 22 to fix the sliding rod one 10, and the construction efficiency of the equipment is improved.

[0028] Although the above describes the specific embodiments of the present application in order to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments, and all application creations utilizing the concept of the present application are within the protection scope of the present application as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims.

Claims

1. A wear-resistant pin shaft with reinforcement at the nodes, comprising: The outer cylinder (1) is provided with a shaft body (8) on one side, and the top end and the bottom end of the outer cylinder (1) are respectively and symmetrically fixedly connected with L-shaped fixed plates (9), characterized in that the inside of the L-shaped fixed plate (9) is slidably connected with a sliding rod one (10), the top end of the sliding rod one (10) is provided with a limiting block (6), the bottom end of the sliding rod one (10) is provided with a mounting block (5), and the bottom end of the mounting block (5) is provided with a sliding plate (17); The surface of the shaft body (8) is uniformly and symmetrically provided with a plurality of fixed grooves (18), and the inside of each fixed groove (18) is provided with a fixed block (16); the inside of the fixed groove (18) is provided with a telescopic rod two (19), and the outside of the telescopic rod two (19) is provided with a spring two (20); The installation block (5) is provided with a slot (25) on the side away from the L-shaped fixing plate (9), the inside of the slot (25) is provided with an insertion block (11), the top end of the insertion block (11) is provided with a pull plate (4), and the bottom end of the insertion block (11) is provided with a sliding block (3); the limiting block (6) is fixedly connected to the top end of the sliding rod (10), the installation block (5) is fixedly connected to the bottom end of the sliding rod (10), the outer wall of the sliding rod (10) is slidably connected with the L-shaped fixing plate (9), the bottom end of the installation block (5) is fixedly connected to the top end of the sliding rod (26), the outer wall of the sliding rod (26) is slidably connected with the outer cylinder (1), the bottom end of the sliding plate (17) is fixedly connected to the sliding rod (26) penetrating through the outer cylinder (1), and the bottom end of the sliding plate (17) is provided with a fixed block (16); one end of the second telescopic rod (19) is fixedly connected in the fixed slot (18), the other end of the second telescopic rod (19) is fixedly connected to the bottom end of the fixed block (16), one end of the second spring (20) is fixedly connected with the fixed slot (18), the other end of the second spring (20) is fixedly connected with the fixed block (16), the outer wall of the fixed block (16) is slidably connected with the fixed slot (18), and the fixed slot (18) is symmetrically and evenly arranged on the two sides of the shaft body (8); the top end and the bottom end inner wall of the outer cylinder (1) are symmetrically provided with a sliding groove (15), the inner wall of the sliding groove (15) is slidably connected with the sliding plate (17), the bottom end of the sliding plate (17) is provided with a fixed block (16), the top end and the bottom end of the outer cylinder (1) are symmetrically provided with a sliding groove (2) outside, the inside of the sliding groove (2) is slidably connected with the sliding block (3), the top end of the sliding block (3) is fixedly connected to the bottom end of the insertion block (11), the top end of the insertion block (11) is fixedly connected with the pull plate (4) away from the installation block (5), which facilitates the staff to pull the insertion block (11) and make the insertion block (11) exit the slot (25); the top end and the bottom end of the outer cylinder (1) are symmetrically fixedly connected with the fixed plate (14) away from the outer wall of the shaft body (8), the input end of the first telescopic rod (12) is fixedly connected to the upper end of the side of the fixed plate (14) close to the L-shaped fixing plate (9), the output end of the first telescopic rod (12) is fixedly connected to one side of the insertion block (11), the other side of the insertion block (11) is slidably connected with the slot (25), the first telescopic rod (12) is provided with the spring (13), one end of the spring (13) is fixedly connected with the fixed plate (14), and the other end of the spring (13) is fixedly connected with the insertion block (11).

2. A wear strip axle with reinforcement at the nodes according to claim 1, characterized in that: The inside of the L-shaped fixing plate (9) is symmetrically provided with a groove (24), the inside of the groove (24) is fixedly connected with the input end of the third telescopic rod (21) on one side of the side wall, the output end of the third telescopic rod (21) is fixedly connected with the guide block (23), the outside of the third telescopic rod (21) is provided with the spring (22), one end of the spring (22) is fixedly connected with the groove (24), the other end of the spring (22) is fixedly connected with the guide block (23), the guide arc provided on the surface of the guide block (23) is consistent with the arc of the guide groove (7), and the guide block (23) is slidably connected with the guide groove (7).

3. A wear strip axle with reinforcement at the nodes according to claim 1, characterized in that: The slot (25) is arranged on the side of the mounting block (5) away from the L-shaped fixing plate (9), and the plug block (11) is slidably connected in the slot (25), and the guide slots (7) are symmetrically arranged at the bottom end of the slide rod (10).

Citation Information

Patent Citations

  • Connecting pin shaft

    CN101725599A

  • Fixing pin for water conservancy slope protection net

    CN111810508A

  • Reliable piston pin

    CN217301568U