Elastic assembly of loader joint fork head

Abstract

The utility model discloses an elastic assembly of a loader joint fork head, which comprises a joint fork head main body and a transmission shaft, and an elastic buffer structure is arranged between the joint fork head main body and the transmission shaft. According to the utility model, the elastic buffer structure is arranged, so that the abrasion of the joint fork head caused by impact during operation can be reduced, the service life of the joint fork head can be further prolonged, the damping rod and the spring are extruded and deformed under axial pressure, the force can be absorbed and weakened through reverse acting force, the abrasion caused by the impact of the joint fork head is reduced, and the service life of the joint fork head is prolonged. When the joint fork head axially moves, all the guide blocks of the sliding block are arranged in the guide grooves of the sliding spline groove in a one-to-one correspondence mode, the joint fork head is prevented from falling off, and then the connecting stability of the joint fork head can be improved; and the buffering effect brought by the spring is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of loader yoke heads, in particular to an elastic component of a loader yoke head. Background Art

[0002] A loader is a type of earthwork construction machinery widely used in construction projects such as highways, railways, buildings, hydropower, ports, and mines. The yoke is an important component of the loader. The yoke connects the ball pin and tie rod of the loader and is responsible for transferring the steering torque from the front to the wheel hub to deflect the wheel. The knuckle arm is an important component of the loader's steering system.

[0003] The yoke head undergoes frequent axial movements during operation, which causes varying degrees of impact wear on the yoke head, shortening its service life and increasing its maintenance costs. Therefore, it is necessary to install an elastic component on the yoke head to reduce the wear caused by the impact of the yoke head. Utility Model Content

[0004] The utility model aims to provide an elastic component of a loader yoke head to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an elastic component of a loader yoke head, comprising a yoke head body and a transmission shaft, wherein an elastic buffer structure is installed between the yoke head body and the transmission shaft.

[0006] The elastic buffer structure comprises a sleeve assembly, one end of which is welded to the yoke head body, and a buffer assembly is installed in the sleeve assembly.

[0007] As a further preferred embodiment of the present technical solution, the sleeve shell assembly includes a shell, a fuel nozzle is installed at a feed inlet on an outer wall of the shell, and a sliding spline groove is opened in the shell.

[0008] As a further preferred embodiment of the present technical solution, an oil seal is installed at one end of the housing close to the transmission shaft, and an oil seal cover is installed on the outer side of the oil seal.

[0009] In the above technical solution, oil is injected into the sliding spline groove through the oiling nozzle, so that the sliding block slides more smoothly inside, thereby improving the buffering effect brought by the spring.

[0010] As a further preferred embodiment of the present technical solution, the buffer assembly includes a sliding block, the outer wall of the sliding block is slidably connected to the inner wall of the sliding spline groove, the outer wall of the sliding block close to one end of the transmission shaft is fixedly connected to a connecting rod, the connecting rod passes through an oil seal and an oil seal cover and is connected to the transmission shaft, a through hole is provided under the sliding block, and mounting grooves are provided in the sliding block and the connecting rod.

[0011] As a further preferred embodiment of the technical solution, a limit plate is fixedly connected to the inner wall of the housing close to one end of the transmission shaft, and the limit plate limits the sliding block.

[0012] As a further preferred embodiment of the present technical solution, the sliding spline groove is provided with a hexagonal guide groove, and the outer wall of the sliding block is provided with a hexagonal guide block, and each of the guide blocks corresponds one-to-one in the guide groove.

[0013] In the above technical solution, each guide block of the sliding block corresponds one-to-one in the guide groove of the sliding spline groove, thereby preventing the yoke head from falling off, thereby improving the stability of the yoke head connection.

[0014] As a further preferred embodiment of the technical solution, a damping rod is installed between the installation groove and the yoke head body, and a spring is sleeved on the outer side of the damping rod.

[0015] In the above technical solution, the damping rod and spring are squeezed and deformed under axial pressure, and the force can be absorbed and weakened through the reverse force, thereby reducing the wear caused by the impact of the yoke head.

[0016] The utility model provides an elastic component of a loader yoke head, which has the following beneficial effects:

[0017] (1) The utility model can reduce the wear of the yoke head caused by impact during operation by installing an elastic buffer structure, thereby increasing the service life of the yoke head. The damping rod and spring are squeezed and deformed under axial pressure, and the force can be absorbed and weakened by the reverse force, thereby reducing the wear caused by the impact of the yoke head.

[0018] (2) When the yoke head of the utility model moves axially, the guide blocks of the sliding block correspond one by one in the guide grooves of the sliding spline groove, thereby preventing the yoke head from falling off, thereby improving the stability of the yoke head connection. In addition, oil is injected into the sliding spline groove through the oil nozzle, so that the sliding block slides more smoothly inside, thereby improving the buffering effect brought by the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the elastic component of the loader yoke head of the utility model;

[0020] Figure 2 The utility model is Figure 1 Sectional drawing;

[0021] Figure 3 The utility model is Figure 2 Structural schematic diagram of the elastic buffer structure;

[0022] Figure 4 The utility model is Figure 3Schematic diagram of the structure;

[0023] In the figure: 1, yoke head body; 2, transmission shaft; 3, elastic buffer structure; 31, housing assembly; 32, buffer assembly; 33, oil seal; 34, oil seal cover; a1, housing; a2, oil nozzle; a3, sliding spline groove; a4, limit plate; b1, sliding block; b2, connecting rod; b3, through hole; b4, mounting groove; b5, damping rod; b6, spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] The utility model provides a technical solution: Figure 1 As shown, in this embodiment, an elastic component of a loader yoke head includes a yoke head body 1 and a transmission shaft 2, and an elastic buffer structure 3 is installed between the yoke head body 1 and the transmission shaft 2. The elastic buffer structure 3 is squeezed and deformed under axial pressure through the arranged damping rod b5 and spring b6, and can absorb and weaken the force through the reverse force, thereby reducing the wear caused by the impact of the yoke head.

[0026] like Figure 2 and Figure 3 As shown, the elastic buffer structure 3 includes a sleeve assembly 31, one end of the sleeve assembly 31 is welded to the yoke head body 1, a buffer assembly 32 is installed in the sleeve assembly 31, the sleeve assembly 31 includes a shell a1, a refueling nozzle a2 is installed at the feed port of the outer wall of the shell a1, a sliding spline groove a3 is opened in the shell a1, an oil seal 33 is installed at the end of the shell a1 close to the transmission shaft 2, an oil seal cover 34 is installed on the outside of the oil seal 33, and a limiting plate a4 is fixedly connected to the inner wall of the shell a1 close to the transmission shaft 2. The limiting plate a4 limits the sliding block b1. When the yoke head moves axially, the guide blocks of the sliding block b1 correspond one by one in the guide groove of the sliding spline groove a3 to avoid the yoke head from falling off, thereby improving the stability of the yoke head connection. In addition, oil is injected into the sliding spline groove a3 through the refueling nozzle a2, so that the sliding block b1 slides more smoothly inside, thereby improving the buffering effect brought by the spring b6.

[0027] like Figure 2 and Figure 4As shown, the buffer assembly 32 includes a sliding block b1, the outer wall of the sliding block b1 is slidably connected to the inner wall of the sliding spline groove a3, the outer wall of the sliding block b1 near one end of the transmission shaft 2 is fixedly connected with a connecting rod b2, the connecting rod b2 passes through the oil seal 33 and the oil seal cover 34 and is connected to the transmission shaft 2, a through hole b3 is provided below the sliding block b1, mounting grooves b4 are provided in the sliding block b1 and the connecting rod b2, the sliding spline groove a3 is provided with a hexagonal guide groove, a hexagonal guide block is provided on the outer wall of the sliding block b1, and each guide block corresponds to the guide groove one by one, a damping rod b5 is installed between the mounting groove b4 and the yoke head body 1, and a spring b6 is sleeved on the outer side of the damping rod b5, and the elastic buffer structure 3 installed can reduce the wear of the yoke head caused by impact during operation, thereby increasing the service life of the yoke head, and it is squeezed and deformed under axial pressure through the provided damping rod b5 and spring b6, and can absorb and weaken the force through the reverse force, thereby reducing the wear caused by the impact of the yoke head.

[0028] The utility model provides an elastic component of a loader yoke head, and the specific working principle is as follows: after the yoke head is connected to the loader, the steering movement of the loader causes a sliding block b1 to slide in a sliding spline groove a3, and each guide block of the sliding block b1 corresponds one by one to the guide groove of the sliding spline groove a3, thereby improving the stability of the yoke head connection, and the sliding block b1 causes the damping rod b5 and the spring b6 to be squeezed and deformed during the movement, and the generated directional force weakens the impact force, thereby reducing the wear of the yoke head.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An elastic component of a loader yoke head, comprising a yoke head body (1) and a transmission shaft (2), characterized in that: An elastic buffer structure (3) is installed between the yoke head body (1) and the transmission shaft (2); The elastic buffer structure (3) comprises a casing assembly (31), one end of the casing assembly (31) is welded to the yoke head body (1), and a buffer assembly (32) is installed in the casing assembly (31); The housing assembly (31) comprises a housing (a1), a refueling nozzle (a2) is installed at a feed inlet on an outer wall of the housing (a1), and a sliding spline groove (a3) ​​is provided in the housing (a1); The buffer assembly (32) comprises a sliding block (b1), the outer wall of the sliding block (b1) is slidably connected to the inner wall of the sliding spline groove (a3), a connecting rod (b2) is fixedly connected to the outer wall of the sliding block (b1) near one end of the transmission shaft (2), the connecting rod (b2) passes through the oil seal (33) and the oil seal cover (34) to be connected to the transmission shaft (2), a through hole (b3) is provided below the sliding block (b1), and a mounting groove (b4) is provided in the sliding block (b1) and the connecting rod (b2); A limiting plate (a4) is fixedly connected to the inner wall of one end of the housing (a1) close to the transmission shaft (2), and the limiting plate (a4) limits the sliding block (b1).

2. The elastic component of the loader yoke according to claim 1, characterized in that: An oil seal (33) is installed at one end of the housing (a1) close to the transmission shaft (2), and an oil seal cover (34) is installed outside the oil seal (33).

3. The elastic component of the loader yoke according to claim 1, characterized in that: The sliding spline groove (a3) ​​is provided with a hexagonal guide groove, and the outer wall of the sliding block (b1) is provided with a hexagonal guide block, and each of the guide blocks corresponds to the guide groove one by one.

4. The elastic component of the loader yoke according to claim 1, characterized in that: A damping rod (b5) is installed between the installation groove (b4) and the yoke head body (1), and a spring (b6) is sleeved on the outer side of the damping rod (b5).

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