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CN-224216299-U - Vertical friction performance testing device for powder metallurgy bearing of automobile motor

CN224216299UCN 224216299 UCN224216299 UCN 224216299UCN-224216299-U

Abstract

The utility model belongs to the technical field of powder metallurgy bearing testing, in particular to a vertical friction performance testing device for an automobile motor powder metallurgy bearing, which comprises a bottom plate; the device comprises a base plate, a tension seat, a test component, a driving component, a servo electric cylinder, a telescopic shaft, a push block, a tension seat, a test component and a driving component, wherein the center of the base plate is provided with the mounting through hole, the servo electric cylinder is arranged on one side of the top surface of the base plate, the telescopic shaft at the output end of the servo electric cylinder is connected with the push block, the other end of the push block is connected with the tension seat, the center of the tension seat is provided with the mounting through hole of the base plate, and the driving component is arranged on the lower portion of the tension seat and used for jointly performing performance test on a bearing to be tested in cooperation with the test component. According to the utility model, through the matched use of the test component and the driving component, different load amounts can be increased according to the test requirement to carry out the test, so that the test repeatability and accuracy are greatly improved, the test is more time-saving and labor-saving, the time cost is reduced, and the product development efficiency is improved.

Inventors

  • CHEN KAI
  • CHEN RONG
  • CHEN XINRUI
  • CHEN XINHE

Assignees

  • 陈凯
  • 洛阳精一新材料科技有限公司

Dates

Publication Date
20260508
Application Date
20250627

Claims (7)

  1. 1. A vertical friction performance testing device for a powder metallurgy bearing of an automobile motor comprises a bottom plate (1) and is characterized in that an installation through hole is formed in the center of the bottom plate (1), a servo electric cylinder (2) is arranged on one side of the top surface of the bottom plate (1), a push block (3) is connected to a telescopic shaft at the output end of the servo electric cylinder (2), a tension seat (10) is connected to the other end of the push block (3), a testing part is arranged on the tension seat (10), the center of the tension seat (10) is arranged at the installation through hole of the bottom plate (1), and a driving part is arranged at the lower portion of the tension seat (10) and used for carrying out performance testing on a bearing to be tested together in cooperation with the testing part.
  2. 2. The vertical friction performance testing device for the automobile motor powder metallurgy bearing is characterized in that the testing component comprises a sliding seat (11) arranged on a tension seat (10), a reference bearing (18) is arranged at the center of the top surface of the sliding seat (11), a laser temperature sensor (4) is arranged above the reference bearing (18), proportional rods (5) are arranged at two ends of the reference bearing (18), a micro-sensor (6) is arranged on one side of the proportional rods (5), a displacement sensor (8) is arranged on one side of the micro-sensor (6), a tension pressure sensor (7) is arranged below the displacement sensor (8), a ball top (12) is arranged at the front end of the tension pressure sensor (7), and a thrust rod (14) is arranged at the rear end of the tension pressure sensor (7).
  3. 3. The vertical friction performance testing device for the automobile motor powder metallurgy bearing is characterized in that the driving part comprises a servo motor (20) arranged at the lower part of a tension seat (10), the output end of the servo motor (20) is connected with a vertically arranged testing shaft (19), and the upper part of the servo motor (20) is further provided with a motor seat (21) electrically connected with the servo motor.
  4. 4. The vertical friction performance testing device for the automobile motor powder metallurgy bearing is characterized in that the end part of the proportional rod (5) is connected to a proportional rod seat (17), and the proportional rod seat (17) is arranged on the bottom plate (1) and located on one side of the sliding seat (11).
  5. 5. The vertical friction performance testing device for the automobile motor powder metallurgy bearing is characterized in that the thrust rod (14) is horizontally arranged in a groove at the rear end of the sliding seat (11), a sliding rail (15) is arranged at the lower part of the groove, and a hard spring (16) is sleeved on the outer side of the circumference of the thrust rod (14).
  6. 6. The vertical friction performance testing device for the automobile motor powder metallurgy bearing is characterized in that a baffle cover (13) is arranged at the joint of the thrust rod (14) and the micro force sensor (6).
  7. 7. The vertical friction performance testing device for the automobile motor powder metallurgy bearing is characterized in that double guide rods (9) which are arranged in parallel are further arranged on the outer side vertical face of the pushing block (3).

Description

Vertical friction performance testing device for powder metallurgy bearing of automobile motor Technical Field The utility model belongs to the technical field of powder metallurgy bearing testing, and particularly relates to a vertical friction performance testing device for an automobile motor powder metallurgy bearing. Background The powder metallurgy bearing is formed by pressing, sintering, shaping and immersing metal powder and other antifriction material powder, has a porous structure, lubricating oil is filled among pores after the powder metallurgy bearing is immersed in hot oil, and during operation, the metal and the oil are heated and expanded due to the suction effect and friction heating of the rotation of a journal, so that the oil is extruded out of the pores, the friction surface plays a lubricating role, and the oil is sucked back into the pores after the bearing is cooled. At present, a motor in the automobile industry uses a powder metallurgy bearing, and most of the tests of the motor adopt real machine assembly tests. In order to verify the lubricating performance of the powder metallurgy bearing in different use scenes of an automobile, the running environment of the bearing needs to be approximately simulated, in the same type of tests in the industry, the conventional powder metallurgy bearing test and test equipment has various degrees of errors in the installation process due to the complexity of the installation of a real machine, so that the number and frequency of the test are various, the test quantity is greatly increased, the consistency and the effectiveness of the test result are not facilitated, meanwhile, only relatively subjective statistical data can be obtained, and the lubricating performance quantization data of different lubricating materials, especially the friction performance of representative bearing, lubricating oil and lubricating grease finished products can not be given. Disclosure of utility model Aiming at the problems in the background art, the utility model provides a vertical friction performance testing device for a powder metallurgy bearing of an automobile motor, which is provided with a testing device integrating precise temperature measurement and ranging, closed-loop rotating speed control, directional automatic loading, a precise force sensor, data acquisition and a data algorithm, can realize standardized measurement of the friction performance of the powder metallurgy bearing for the motor in the low automobile industry, and is used for solving the problem that the traditional method cannot quantify test data. The vertical friction performance testing device for the automobile motor powder metallurgy bearing comprises a bottom plate, wherein a mounting through hole is formed in the center of the bottom plate, a servo electric cylinder is arranged on one side of the top surface of the bottom plate, a telescopic shaft at the output end of the servo electric cylinder is connected with a push block, the other end of the push block is connected with a tension seat, a testing component is arranged on the tension seat, the center of the tension seat is arranged at the mounting through hole of the bottom plate, and a driving component is arranged at the lower part of the tension seat and used for jointly testing the performance of the bearing to be tested in cooperation with the testing component. The testing component comprises a sliding seat arranged on a tension seat, a reference bearing is arranged at the center of the top surface of the sliding seat, a laser temperature sensor is arranged above the reference bearing, proportional rods are arranged at two ends of the reference bearing, a micro force sensor is arranged on one side of the proportional rods, a displacement sensor is arranged on one side of the micro force sensor, a tension pressure sensor is arranged below the displacement sensor, a ball top is arranged at the front end of the tension pressure sensor, and a thrust rod is arranged at the rear end of the tension pressure sensor. The driving part comprises a servo motor arranged at the lower part of the tension seat, the output end of the servo motor is connected with a vertically arranged test shaft, and the upper part of the servo motor is also provided with a motor seat electrically connected with the servo motor. The end part of the proportional rod is connected to the proportional rod seat, and the proportional rod seat is arranged on the bottom plate and positioned on one side of the sliding seat. The thrust rod is horizontally arranged in a groove at the rear end of the sliding seat, a sliding rail is arranged at the lower part of the groove, and a hard spring is sleeved on the outer side of the circumference of the thrust rod. And a baffle cover is arranged at the joint of the thrust rod and the micro force sensor. The outer side elevation of the pushing block is also provided with double guide rods which are arranged in paralle