CN218440302U

CN218440302U - Test fixture of universal joint fork

Info

Publication number: CN218440302U
Application number: CN202222311968.9U
Authority: CN
Inventors: 陈正一
Original assignee: Taizhou Xinglong Transmission Co ltd
Current assignee: Taizhou Xinglong Transmission Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-02-03
Anticipated expiration: 2032-08-30

Abstract

The utility model provides a test fixture of universal joint fork belongs to universal joint fork technical field. The universal joint fork test system solves the problems that the existing universal joint fork is large in test cost and low in test precision after leaving a factory. This test fixture of universal joint fork, assembly including universal main part and the installation of confession universal main part, universal main part is by left universal joint, right universal joint and joint fork are constituteed, and the both ends of joint fork all through shaft coupling and above-mentioned left universal joint and right universal joint looks swing joint, assembly comprises the assembly bench, left side assembly jig and right assembly jig are constituteed, and all set up the pilot hole that supplies above-mentioned corresponding left universal joint and right universal joint assembly on left side assembly jig and the right assembly jig, the lower extreme of assembly bench is provided with rather than being connected, and be used for the control assembly bench rotatory, and can carry out the rotary unit of multi-angle range test. The utility model has the advantages of reduce the test cost and improve the test accuracy.

Description

Test fixture of universal joint fork

Technical Field

The utility model belongs to the technical field of the universal joint fork, a test fixture of universal joint fork is related to.

Background

The universal joint is a universal joint, is a part for realizing variable-angle power transmission, is used for needing to change the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system, the combined matching of the universal joint and a transmission shaft is called the universal joint transmission device, the main damage failure modes of the transmission device are that indentation and peeling occur on the working surface of a shaft neck and the root of the shaft neck is broken, and the breakage and fatigue failure can cause serious damage to the transmission system of an automobile, so that after a product leaves a factory in batches, the strength detection needs to be carried out, but the existing detection tool is relatively single, and generally comprises a linear transmission test and a swing angle transmission test, so that two tools are needed to be matched during the test, thereby increasing the test cost.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a reduce test cost and can carry out the test of multi-angle range and solve the test fixture of the universal joint fork of above-mentioned problem.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a test fixture of universal joint fork, its characterized in that, includes universal main part and the assembly subassembly that supplies the universal main part installation, universal main part constitute by left universal joint, right universal joint and joint yoke, and the both ends of joint yoke all through shaft coupling and above-mentioned left universal joint and right universal joint looks swing joint, the assembly subassembly constitute by mount table, left mount table and right mount table, and all set up the pilot hole that supplies above-mentioned corresponding left universal joint and right universal joint assembly on left mount table and the right mount table, the lower extreme of mount table be provided with rather than being connected, and be used for controlling the mount table rotatory to the rotary unit that can carry out multi-angle range test.

In foretell universal joint fork's test fixture, left jig and right jig and corresponding left universal joint and right universal joint between be provided with the swivel bearing of its rotary motion of being convenient for, left jig and right jig between be provided with the meshing unit.

In foretell universal joint fork's test fixture, the meshing unit constitute by left semicircle piece and right semicircle piece, left semicircle piece and right semicircle piece set up respectively on left assembly jig and right assembly jig, and be connected with left assembly jig and right assembly jig, the lateral wall of left semicircle piece and right semicircle piece on seted up the external tooth, left semicircle piece and right semicircle piece all link firmly with corresponding left assembly jig and right assembly jig mutually through the connecting rod.

In foretell universal joint fork's test fixture, the rotating element be the rotating electrical machines that has the output shaft, this rotating electrical machines is located the below department of right assembly jig, and is coaxial setting with connecting rod in the above-mentioned right semicircle piece, the lower extreme of rotating electrical machines be provided with the assembly plate rather than being connected, be provided with the linkage unit that makes assembly plate and right assembly jig be connected between this assembly plate and the right assembly jig.

In foretell universal joint fork's test fixture, the linkage unit constitute by connection piece and a plurality of assembly rod, the connection piece link firmly with right assembly jig mutually, a plurality of the both ends of assembly rod are connected with connection piece and assembly plate respectively.

In foretell universal joint fork's test fixture, the up end of left assembly jig on set up the axial sunken dead slot in mutually, left assembly jig be located the dead slot in be provided with rather than the slider of sliding fit, the aforesaid pilot hole that is located on left assembly jig sets up on the slider, the up end of left assembly jig on be provided with rather than linking firmly mutually and being used for controlling slider axial displacement's mobile unit, this mobile unit comprises the fixed plate that is connected with left assembly jig and the flexible motor that has the telescopic link.

Compared with the prior art, this test fixture of universal joint fork has following advantage:

1. the assembly subassembly comprises mount table, left mount table and right mount table, and all sets up the pilot hole that supplies above-mentioned corresponding left universal joint and right universal joint assembly on left mount table and the right mount table, the lower extreme of mount table be provided with rather than being connected, and be used for controlling the mount table rotatory to the rotary unit that can carry out multi-angle range test, the setting of above-mentioned structure makes it can satisfy the multi-angle test on a test fixture, thereby guarantees the measuring accuracy, reduces the test cost simultaneously.

Drawings

Fig. 1 is a schematic perspective view of a test fixture in the test fixture of the universal joint fork.

Fig. 2 is a schematic perspective view of a universal joint yoke in the test fixture for the universal joint yoke.

In the figure, 1, a left universal joint; 2. a right universal joint; 3. a connecting joint fork; 4. an assembly table; 5. a left mounting bracket; 6. a right mounting bracket; 7. an assembly hole; 8. a left semicircular block; 9. a right semicircular block; 10. a rotating electric machine; 11. assembling a plate; 12. connecting sheets; 13. assembling a rod; 14. a recessed groove; 15. a slider; 16. a fixing plate; 17. a telescopic motor.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1 and 2, the test tool of the universal joint fork comprises a universal main body and an assembly component for mounting the universal main body, wherein the universal main body consists of a left universal joint 1, a right universal joint 2 and a connecting joint fork 3, both ends of the connecting joint fork 3 are movably connected with the left universal joint 1 and the right universal joint 2 through couplings, the surfaces of the left universal joint 1, the right universal joint 2 and the connecting joint fork 3 are subjected to phosphorization, saponification and rust prevention process treatment to reduce the rusting probability, the assembly component consists of an assembly stand 4, a left assembly stand 5 and a right assembly stand 6, the left assembly stand 5 and the right assembly stand 6 are respectively provided with an assembly hole 7 for assembling the corresponding left universal joint 1 and the right universal joint 2, the lower end of the assembly stand 4 is connected with the assembly stand 4 and is used for controlling the assembly stand 4 to rotate and a rotating unit capable of carrying out multi-angle range test, the left assembly frame 5 and the right assembly frame 6 are both provided with a driving unit which is fixedly connected with the left assembly frame 5 and the right assembly frame 6 and is used for driving the left assembly frame 5 to work, the driving unit can be a motor, a rotating cylinder and the like, the rotating unit is a rotating motor 10 with an output shaft, the rotating motor 10 is positioned right below the right assembly frame 6 and is coaxially arranged with the connecting rod in the right semicircle block 9, the output shaft can partially extend into the right assembly frame 6 and is connected with the right assembly frame 6 through a bearing, the lower end of the rotating motor 10 is provided with an assembly plate 11 which is connected with the rotating motor 10 and is used for installing the rotating motor 10 and limiting the position of the rotating motor 10, a connecting unit which enables the assembly plate 11 to be connected with the right assembly frame 6 is arranged between the assembly plate 11 and the right assembly frame 6, and the position of the right assembly frame 6 is in a fixed state when the assembly table 4 rotates through the connecting unit, and the position of the left assembly frame 5 rotates along with the assembly table 4, the left half round block 8 and the right half round block 9 are always engaged.

As the preferred structure, be provided with the swivel bearing of being convenient for its rotary motion between left jig 5 and right jig 6 and corresponding left universal joint 1 and right universal joint 2, two swivel bearings set up respectively on corresponding pilot hole 7, are provided with the meshing unit of being convenient for clearly and definitely testing the angle between left jig 5 and the right jig 6.

Further carefully say, in order to make things convenient for clear away deflection angle, the meshing unit comprises left semicircle piece 8 and right semicircle piece 9, left semicircle piece 8 and right semicircle piece 9 set up respectively on left assembly jig 5 and right assembly jig 6, and be connected with left assembly jig 5 and right assembly jig 6, set up intermeshing's external tooth on the lateral wall of left semicircle piece 8 and right semicircle piece 9, left semicircle piece 8 and right semicircle piece 9 all link firmly with corresponding left assembly jig 5 and right assembly jig 6 mutually through the connecting rod, the up end that all is provided with the left semicircle piece 8 of the lug and the right semicircle piece 9 of the connecting rod assembly of being convenient for on the lateral wall of left semicircle piece 8 and right semicircle piece 9 is provided with sign and scale mark respectively.

In foretell universal joint fork's test fixture, the linkage unit constitute by connection piece 12 and a plurality of assembly rod 13, connection piece 12 link firmly with right assembly jig 6 mutually, and connection piece 12 extends and extends outside assembly platform 4 along its length direction, a plurality of the both ends of assembly rod 13 are connected with connection piece 12 and mounting plate 11 respectively, and connection piece 12 can be worn out to the upper end of this assembly rod 13 to can be spacing to it through the nut, when above-mentioned assembly platform 4 rotates, right assembly jig 6 is not rotatory thereupon, but fixes in situ.

In order to test the transmission strength of the height difference, a recessed groove 14 which is recessed axially is formed in the upper end face of the left assembly frame 5, the left assembly frame 5 is located in the recessed groove 14 and is provided with a sliding block 15 which is attached to the recessed groove in a sliding manner, two side walls of the sliding block 15 are provided with limiting blocks which are protruded axially outwards and are embedded into the left assembly frame 5, the left assembly frame 5 is located on two inner side walls of the recessed groove 14 and is provided with mounting grooves for mounting the corresponding limiting blocks, the assembly holes 7 located in the left assembly frame 5 are formed in the sliding block 15, the upper end face of the left assembly frame 5 is provided with a moving unit which is fixedly connected with the moving unit and is used for controlling the sliding block 15 to move axially, the moving unit is composed of a fixing plate 16 connected with the left assembly frame 5 and a telescopic motor 17 with a telescopic rod, the fixing plate 16 is provided with a through hole for the telescopic rod to penetrate, the telescopic rod to penetrate through the fixing plate 16 and be fixedly connected with the sliding block 15, the telescopic motor 17 can be a push rod motor or an air cylinder with a piston rod, the assembly plate 11 can be provided with a control panel and a control box which are used for controlling the movement of the moving unit and the rotating unit, and the control box can be controlled by terminal equipment.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the left universal joint 1, the right universal joint 2, the yoke 3, the mounting table 4, the left mounting bracket 5, the right mounting bracket 6, the mounting hole 7, the left semicircle block 8, the right semicircle block 9, the rotating electric machine 10, the mounting plate 11, the connecting piece 12, the mounting rod 13, the concave groove 14, the slider 15, the fixing plate 16, the telescopic electric machine 17, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a test fixture of universal joint fork, its characterized in that, includes universal body and the assembly subassembly that supplies the universal body installation, universal body constitute by left universal joint (1), right universal joint (2) and link fork (3), and the both ends of link fork (3) all through shaft coupling and above-mentioned left universal joint (1) and right universal joint (2) looks swing joint, the assembly subassembly constitute by mount table (4), left mount frame (5) and right mount frame (6), and all set up on left mount frame (5) and right mount frame (6) and supply assembly hole (7) of above-mentioned corresponding left universal joint (1) and right universal joint (2) assembly, the lower extreme of mount table (4) be provided with rather than being connected, and be used for controlling mount table (4) rotation to the rotary unit of multi-angle range test can carry out.

2. The test tool for the universal joint yoke according to claim 1, wherein a rotary bearing facilitating the rotary motion of the left assembly frame (5) and the right assembly frame (6) is arranged between the corresponding left universal joint (1) and the right universal joint (2), and a meshing unit is arranged between the left assembly frame (5) and the right assembly frame (6).

3. The test fixture of the universal joint fork according to claim 2, wherein the meshing unit is composed of a left semicircle block (8) and a right semicircle block (9), the left semicircle block (8) and the right semicircle block (9) are respectively arranged on the left assembly frame (5) and the right assembly frame (6) and are connected with the left assembly frame (5) and the right assembly frame (6), external teeth are arranged on the side walls of the left semicircle block (8) and the right semicircle block (9), and the left semicircle block (8) and the right semicircle block (9) are fixedly connected with the corresponding left assembly frame (5) and the right assembly frame (6) through connecting rods.

4. The test tool for the universal joint fork according to claim 3, wherein the rotating unit is a rotating motor (10) with an output shaft, the rotating motor (10) is located below the right assembly frame (6) and is coaxially arranged with the connecting rod in the right semicircular block (9), an assembly plate (11) connected with the rotating motor (10) is arranged at the lower end of the rotating motor (10), and a connecting unit for connecting the assembly plate (11) with the right assembly frame (6) is arranged between the assembly plate (11) and the right assembly frame (6).

5. A test tool for a universal joint fork according to claim 4, wherein the connecting unit is composed of a connecting sheet (12) and a plurality of assembling rods (13), the connecting sheet (12) is fixedly connected with the right assembling frame (6), and two ends of the assembling rods (13) are respectively connected with the connecting sheet (12) and the assembling plate (11).

6. The test tool for the universal joint yoke according to claim 5, wherein a recessed groove (14) which is recessed axially is formed in the upper end surface of the left assembly frame (5), a sliding block (15) which is in sliding fit with the recessed groove (14) is arranged in the left assembly frame (5), the assembly hole (7) in the left assembly frame (5) is formed in the sliding block (15), a moving unit which is fixedly connected with the upper end surface of the left assembly frame (5) and used for controlling the sliding block (15) to move axially is arranged on the upper end surface of the left assembly frame (5), and the moving unit is composed of a fixing plate (16) connected with the left assembly frame (5) and a telescopic motor (17) with a telescopic rod.