CN216284762U

CN216284762U - Oil seal abrasion resistance testing machine

Info

Publication number: CN216284762U
Application number: CN202122141765.5U
Authority: CN
Inventors: 石伟宇
Original assignee: Zhejiang Zhongteng Automobile Seals Co ltd
Current assignee: Zhejiang Zhongteng Automobile Seals Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-12
Anticipated expiration: 2031-09-06

Abstract

The utility model provides an oil seal wear resistance testing machine which comprises a machine base and is characterized in that a workbench is fixed on the machine base, a first positioning seat and a second positioning seat are installed on the workbench, a pressing assembly is further arranged on the workbench, an upright post is further fixed on the machine base, a lifting platform on the upright post is connected with a driving mechanism, the middle part of the lifting platform is connected with the lower end of a mounting strip, the upper end of the mounting strip is connected with a power motor, an output shaft of the power motor is fixedly connected with one end of a power rod, the other end of the power rod is rotatably connected with one end of a main link rod, the other end of the main link rod is rotatably connected with one end of a reciprocating swing rod, guide sleeves are fixed at two ends of the lifting platform, a testing shaft is vertically arranged on the guide sleeves in a sliding mode, the upper end of the testing shaft is rotatably connected with one end of an auxiliary link rod, and the other end of the auxiliary link rod is rotatably connected with one end of the reciprocating swing rod. The utility model has the advantage of high testing efficiency.

Description

Oil seal abrasion resistance testing machine

Technical Field

The utility model belongs to the technical field of machinery, relates to a testing machine, and particularly relates to an oil seal abrasion resistance testing machine.

Background

The oil seal plays a role in sealing oil, and components of a mechanical hydraulic transmission system are prevented from leaking oil, so that the oil resistance, the hydraulic oil and the like of the mechanical component sealing oil seal are good. However, the abrasion of the lip part of the oil seal is increased during the reciprocating motion of the machine, and the sealing performance of the oil seal is affected.

Through retrieval, as chinese patent literature discloses an oil blanket wearability testing machine [ application number: 201220494064.8, respectively; publication No.: CN202837126U ]. The oil seal wear resistance testing machine comprises a variable frequency speed regulator, a driving motor and a rack, wherein an oil seal positioning device used for fixing an oil seal to be tested is arranged on the upper portion of the rack, a testing shaft penetrates through the oil seal positioning device and is sleeved on the upper portion of the rack, a temperature sensor connected with a temperature recorder is arranged at the upper end of the testing shaft, the lower end of the testing shaft is connected with a crank block reciprocating motion unit, the driving motor is connected with the crank block reciprocating motion unit, and the driving motor drives the crank block reciprocating motion unit and the testing shaft to reciprocate up and down.

Although the oil seal abrasion resistance testing machine disclosed in the patent has low energy consumption, the testing efficiency of the testing machine is not high, and therefore, it is necessary to design an oil seal abrasion resistance testing machine.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an oil seal abrasion resistance testing machine which has the characteristic of high testing efficiency.

The purpose of the utility model can be realized by the following technical scheme: a machine for testing the abrasion resistance of an oil seal comprises a machine base and is characterized in that a workbench is fixed on a machine frame, a first positioning seat and a second positioning seat for positioning the oil seal are installed on the workbench, a pressing assembly is further arranged on the workbench, an upright post is further fixed on the machine frame, a lifting table is arranged on the upright post and connected with a driving mechanism capable of driving the lifting table to move up and down, the middle of the lifting table is connected with the lower end of a mounting strip, the middle of the mounting strip is rotatably connected with the middle of a reciprocating swing rod through a positioning shaft, the upper end of the mounting strip is connected with a power motor, an output shaft of the power motor is horizontally arranged, an output shaft of the power motor is fixedly connected with one end of a power rod, the other end of the power rod is rotatably connected with one end of a main connecting rod, the other end of the main connecting rod is rotatably connected with one end of the reciprocating swing rod, a first guide sleeve is fixed at one end of the lifting table, and a first testing shaft is vertically and slidably arranged on the first guide sleeve, the lower end of the first test shaft is provided with a first leading-in part, the upper end of the first test shaft is rotatably connected with one end of a first auxiliary link rod, the other end of the first auxiliary link rod is rotatably connected with one end of a reciprocating swing rod, the other end of the lifting platform is fixedly provided with a second guide sleeve, a second test shaft is vertically and slidably arranged on the second guide sleeve, the lower end of the second test shaft is provided with a second leading-in part, the upper end of the second test shaft is rotatably connected with one end of a second auxiliary link rod, and the other end of the second auxiliary link rod is rotatably connected with the other end of the reciprocating swing rod.

The working principle of the utility model is as follows: placing an oil seal to be tested on a workbench, and fixing the oil seal by using a pressing component; the driving mechanism on the upright column drives the lifting table to move up and down, and the first testing shaft and the second testing shaft are adjusted to be within the working stroke; the power motor works to drive the power rod to rotate, the power rod drives the main link rod to move, the main link rod drives the reciprocating swing rod to do reciprocating motion, the reciprocating swing rod drives the first auxiliary link rod and the second auxiliary link rod to do motion, the first auxiliary link rod and the second auxiliary link rod respectively drive the first testing shaft and the second testing shaft to move up and down in the first guide sleeve and the second guide sleeve, and therefore the first testing shaft and the second testing shaft can move up and down in the oil seal to conduct wear-resisting testing, two oil seals can be tested simultaneously through the first positioning seat and the second positioning seat, and testing efficiency is high.

The driving mechanism comprises an air cylinder, a guide rail and a sliding block, the guide rail is vertically fixed on the stand column, the sliding block is arranged on the guide rail, the air cylinder is fixed on the stand column, a piston rod of the air cylinder is vertically downward, the end part of a piston rod of the air cylinder is connected with the sliding block, and the lifting platform is connected with the sliding block.

By adopting the structure, the cylinder drives the sliding block to move on the guide rail in the vertical direction, and the sliding block drives the lifting platform to move up and down.

And two ends of the guide rail are provided with limiting blocks.

The pressing assembly comprises a pressing plate, one end of the pressing plate is hinged to the workbench, a quick clamp is arranged between the other end of the pressing plate and the workbench, and a first avoiding hole and a second avoiding hole are formed in the pressing plate.

And a supporting spring is also arranged between the pressing plate and the workbench.

By adopting the structure, the pressing plate is put down when in work, the spring is extruded, and the pressing plate and the workbench are buckled by the quick clamp; after the test is finished, the quick clamp is opened, and the supporting spring props up the pressing plate to reset the pressing plate.

Compared with the prior art, this oil blanket wearability testing machine has this advantage: in the utility model, an oil seal to be tested is placed on a workbench and is fixed by a pressing component; the driving mechanism on the upright column drives the lifting table to move up and down, and the first testing shaft and the second testing shaft are adjusted to be within the working stroke; the power motor works to drive the power rod to rotate, the power rod drives the main link rod to move, the main link rod drives the reciprocating swing rod to do reciprocating motion, the reciprocating swing rod drives the first auxiliary link rod and the second auxiliary link rod to do motion, the first auxiliary link rod and the second auxiliary link rod respectively drive the first testing shaft and the second testing shaft to move up and down in the first guide sleeve and the second guide sleeve, and therefore the first testing shaft and the second testing shaft can move up and down in the oil seal to conduct wear-resisting testing, two oil seals can be tested simultaneously through the first positioning seat and the second positioning seat, and testing efficiency is high.

Drawings

Fig. 1 is a schematic plan view of the present invention.

Fig. 2 is a schematic plan view of the driving mechanism of the present invention.

Fig. 3 is a schematic plan view of the pressing member of the present invention.

Fig. 4 is a schematic plan view of the platen of the present invention.

In the figure, 1, a frame; 2. a work table; 3. a first positioning seat; 4. pressing a plate; 4a, avoiding a first hole; 4b, avoiding a second hole; 5. a first test shaft; 6. a first guide sleeve; 7. a first secondary link; 8. a reciprocating swing rod; 9. a main link; 10. a power rod; 11. a power motor; 12. mounting a bar; 13. positioning the shaft; 14. a second secondary link; 15. a lifting platform; 16. a second guide sleeve; 17. a second test shaft; 18. a second positioning seat; 19. a limiting block; 20. a guide rail; 21. a slider; 22. a cylinder; 23. a column; 24. a support spring; 25. and (5) quickly clamping.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figures 1-4, the oil seal abrasion resistance testing machine comprises a machine base, a working table 2 is fixed on a machine frame 1, a first positioning seat 3 and a second positioning seat 18 for positioning an oil seal are installed on the working table 2, a pressing component is also arranged on the working table 2, an upright column 23 is also fixed on the machine frame 1, a lifting table 15 is arranged on the upright column 23, the lifting table 15 is connected with a driving mechanism capable of driving the lifting table to move up and down, the middle part of the lifting table 15 is connected with the lower end of a mounting strip 12, the middle part of the mounting strip 12 is rotatably connected with the middle part of a reciprocating oscillating bar 8 through a positioning shaft 13, the upper end of the mounting strip 12 is connected with a power motor 11, an output shaft of the power motor 11 is horizontally arranged, the output shaft of the power motor 11 is fixedly connected with one end of a power rod 10, the other end of the power rod 10 is rotatably connected with one end of a main link rod 9, the other end of the main link 9 is rotatably connected with one end of the reciprocating oscillating bar 8, a first guide sleeve 6 is fixed at one end of the lifting table 15, the first guide sleeve 6 is vertically provided with a first test shaft 5 in a sliding mode, the lower end of the first test shaft 5 is provided with a first lead-in part, the upper end of the first test shaft 5 is rotatably connected with one end of a first auxiliary link rod 7, the other end of the first auxiliary link rod 7 is rotatably connected with one end of a reciprocating swing rod 8, the other end of the lifting platform 15 is fixedly provided with a second guide sleeve 16, the second guide sleeve 16 is vertically provided with a second test shaft 17 in a sliding mode, the lower end of the second test shaft 17 is provided with a second lead-in part, the upper end of the second test shaft 17 is rotatably connected with one end of a second auxiliary link rod 14, and the other end of the second auxiliary link rod 14 is rotatably connected with the other end of the reciprocating swing rod 8.

The driving mechanism comprises a cylinder 22, a guide rail 20 and a sliding block 21, the guide rail 20 is vertically fixed on a vertical column 23, the sliding block 21 is arranged on the guide rail 20, the cylinder 22 is fixed on the vertical column 23, a piston rod of the cylinder 22 is vertically downward, the end part of the piston rod of the cylinder 22 is connected with the sliding block 21, and the lifting platform 15 is connected with the sliding block 21.

The guide rail 20 has stoppers 19 at both ends.

The pressing assembly comprises a pressing plate 4, one end of the pressing plate 4 is hinged to the workbench 2, a quick clamp 25 is arranged between the other end of the pressing plate 4 and the workbench 2, and a first avoidance hole 4a and a second avoidance hole 4b are formed in the pressing plate 4.

A support spring 24 is also installed between the pressure plate 4 and the table 2.

The working principle of the utility model is as follows: an oil seal to be tested is placed on the workbench 2 and is fixed by a pressing component; a driving mechanism on the upright column 23 drives the lifting table 15 to move up and down, and the first testing shaft 5 and the second testing shaft 17 are adjusted to be within the working stroke; the power motor 11 works to drive the power rod 10 to rotate, the power rod 10 drives the main link rod 9 to move, the main link rod 9 drives the reciprocating swing rod 8 to do reciprocating motion, the reciprocating swing rod 8 drives the first auxiliary link rod 7 and the second auxiliary link rod 14 to move, the first auxiliary link rod 7 and the second auxiliary link rod 14 respectively drive the first test shaft 5 and the second test shaft 17 to move up and down in the first guide sleeve 6 and the second guide sleeve 16, so that the first test shaft 5 and the second test shaft 17 move up and down in the oil seal to conduct wear resistance test, after testing for a section in practice, the size of the oil seal is measured, and the wear loss of the oil seal is obtained through size comparison before and after testing; and two oil seals can be tested simultaneously through the first positioning seat 3 and the second positioning seat 18, and the testing efficiency is high.

The above components are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides an oil blanket wearability testing machine, which comprises a base, a serial communication port, be fixed with workstation (2) on frame (1), install first positioning seat (3) and second positioning seat (18) that are used for fixing a position the oil blanket on workstation (2), still have on workstation (2) and compress tightly the subassembly, still be fixed with stand (23) on frame (1), be provided with elevating platform (15) on stand (23), elevating platform (15) link to each other with a actuating mechanism that can drive it to reciprocate, elevating platform (15) middle part and mounting bar (12) lower extreme link to each other, mounting bar (12) middle part is rotated through location axle (13) and reciprocal pendulum rod (8) middle part and is connected, mounting bar (12) upper end and motor (11) link to each other, and the output shaft level of motor (11) sets up, the output shaft and the power rod (10) one end of motor (11) link to each other, the other end of the power rod (10) is rotatably connected with one end of a main link rod (9), the other end of the main link rod (9) is rotatably connected with one end of a reciprocating swing rod (8), a first guide sleeve (6) is fixed at one end of a lifting platform (15), a first test shaft (5) is vertically arranged on the first guide sleeve (6) in a sliding mode, a first leading-in part is arranged at the lower end of the first test shaft (5), the upper end of the first test shaft (5) is rotatably connected with one end of a first auxiliary link rod (7), the other end of the first auxiliary link rod (7) is rotatably connected with one end of the reciprocating swing rod (8), a second guide sleeve (16) is fixed at the other end of the lifting platform (15), a second test shaft (17) is vertically arranged on the second guide sleeve (16) in a sliding mode, a second leading-in part is arranged at the lower end of the second test shaft (17), the upper end of the second test shaft (17) is rotatably connected with one end of a second auxiliary link rod (14), and the other end of the second auxiliary link rod (14) is rotatably connected with the other end of the reciprocating swing rod (8).

2. The oil seal abrasion resistance testing machine according to claim 1, wherein the driving mechanism comprises a cylinder (22), a guide rail (20) and a sliding block (21), the guide rail (20) is vertically fixed on a vertical column (23), the sliding block (21) is arranged on the guide rail (20), the cylinder (22) is fixed on the vertical column (23), a piston rod of the cylinder (22) is vertically downward, the end part of the piston rod of the cylinder (22) is connected with the sliding block (21), and the lifting platform (15) is connected with the sliding block (21).

3. The oil seal abrasion resistance testing machine according to claim 2, wherein the guide rail (20) is provided with a limiting block (19) at both ends.

4. The oil seal wear resistance testing machine according to claim 1, wherein the compressing assembly comprises a pressing plate (4), one end of the pressing plate (4) is hinged to the workbench (2), a quick clamp (25) is arranged between the other end of the pressing plate (4) and the workbench (2), and a first avoiding hole (4a) and a second avoiding hole (4b) are formed in the pressing plate (4).

5. The oil seal abrasion resistance testing machine according to claim 4, characterized in that a supporting spring (24) is further installed between the pressure plate (4) and the working table (2).