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CN-224215108-U - Oil leakage prevention sliding bearing test lubrication mechanism

CN224215108UCN 224215108 UCN224215108 UCN 224215108UCN-224215108-U

Abstract

The utility model discloses an oil leakage prevention sliding bearing test lubrication mechanism, which relates to the technical field of sliding bearing test mechanisms, in particular to an oil leakage prevention sliding bearing test lubrication mechanism, comprising a sliding bearing, a workbench, a sleeper, a loading part, an oil measurement part and a control plate, wherein the control plate and the sleeper are fixedly arranged on the workbench, and the control plate is respectively in control connection with the loading part and the oil measurement part; the rotating speed sensor can detect the rotating speed of the rotating shaft in real time, and the control board adjusts the rotating speed of the motor according to signals fed back by the rotating speed sensor, so that the rotating speed of the rotating shaft is accurately controlled. By the method for precisely controlling the load and the rotating speed, the problem that in the prior art, the load and the rotating speed are difficult to precisely control, so that a test result deviates from an actual working condition is effectively solved, and the accuracy and the reliability of the sliding bearing test are improved.

Inventors

  • YAO BING
  • Gao Huachuan
  • Zhang Mouzhang
  • LI SHIWEI
  • XU YILIN
  • HOU ZHIYOU
  • Dan Xiaohui

Assignees

  • 浙江诸暨市轴瓦总厂有限公司

Dates

Publication Date
20260508
Application Date
20250623

Claims (8)

  1. 1. The oil leakage prevention sliding bearing test lubrication mechanism comprises a sliding bearing (6) and is characterized by also comprising a workbench (1), a sleeper (4), a loading part, an oil measuring part and a control board (5), The control board (5) and the sleeper (4) are fixedly arranged on the workbench (1), and the control board (5) is respectively connected with the loading component and the oil measuring component in a control manner; The sliding bearing (6) is detachably arranged on the sleeper (4); The loading component comprises a rotating shaft (7), a radial load assembly, a motor (9) and a rotating speed sensor, wherein the rotating shaft (7) is inserted into a sliding bearing (6) and is in sliding connection with the sliding bearing, the motor (9) and the radial load assembly are both arranged on a workbench (1), the motor (9) is in transmission connection with the rotating shaft (7), the motor (9) drives the rotating shaft (7) to rotate at a high speed, the radial load assembly is in transmission connection with the rotating shaft (7), the radial load assembly applies radial force to the rotating shaft (7), the rotating speed sensor is arranged on the workbench (1), and the rotating speed sensor detects the rotating speed of the rotating shaft (7); The oil measuring component comprises a temperature measuring part (12), an oil tank (2), an oil pump (3) and a liquid level sensor (16), wherein the temperature measuring part (12) is detachably arranged on a sliding bearing (6), the temperature measuring part (12) is used for measuring the temperature of the interior of the sliding bearing (6), the oil inlet end of the oil pump (3) is communicated with the interior of the oil tank (2), the oil outlet end of the oil pump (3) is communicated with the interior of the sliding bearing (6), the liquid level sensor (16) is arranged in the oil tank (2), and the bottom of an inner cavity of the sliding bearing (6) is communicated with the oil tank (2).
  2. 2. The oil leakage prevention sliding bearing test lubrication mechanism according to claim 1, wherein the oil detection component further comprises a first oil pipe (13) and a second oil pipe (14), one end of the first oil pipe (13) is detachably mounted with an oil discharge port of the sliding bearing (6), the other end of the first oil pipe (13) is fixedly mounted with the oil tank (2), the first oil pipe (13) is respectively communicated with an inner cavity of the sliding bearing (6) and the oil tank (2), the height position of the first oil pipe (13) is lower than that of the sliding bearing (6), one end of the second oil pipe (14) is detachably mounted with an oil inlet of the sliding bearing (6), the other end of the second oil pipe (14) is fixedly mounted with an oil discharge end of the oil pump (3), and the second oil pipe (14) is respectively communicated with the inner cavity of the sliding bearing (6) and the oil pump (3).
  3. 3. The oil leakage prevention sliding bearing test lubrication mechanism according to claim 2 is characterized in that a first electric control valve is installed on the first oil pipe (13), a second electric control valve is installed on the second oil pipe (14), a temperature sensor is adopted by the temperature measuring piece (12), and the control board (5) is electrically connected with the temperature measuring piece (12), the oil pump (3), the liquid level sensor (16), the first electric control valve and the second electric control valve respectively.
  4. 4. The oil leakage prevention sliding bearing test lubrication mechanism according to claim 1, wherein the oil tank (2) is fixedly arranged on the workbench (1), and the oil pump (3) is arranged on the oil tank (2).
  5. 5. The oil leakage prevention sliding bearing test lubrication mechanism according to claim 1, wherein the radial load assembly comprises a portal frame (8), a hydraulic rod (11) and a sleeve (10), the portal frame (8) is fixedly installed on the workbench (1), the hydraulic rod (11) is fixedly installed on the portal frame (8), the sleeve (10) is sleeved on the outer side wall of the end part of the rotating shaft (7) and is in rotary connection with the outer side wall of the sleeve (10), and the output shaft end of the hydraulic rod (11) is fixedly installed with the outer side wall of the sleeve (10).
  6. 6. The oil leakage prevention sliding bearing test lubrication mechanism according to claim 5, wherein the radial load assembly further comprises a load sensor, the load sensor is fixedly arranged at the end head of the output shaft of the hydraulic rod (11), and the sensing end of the load sensor is fixedly connected with the outer side wall of the sleeve (10).
  7. 7. The oil leakage prevention sliding bearing test lubrication mechanism according to claim 6, wherein the control board (5) is electrically connected with the motor (9) and the load sensor respectively.
  8. 8. The oil leakage prevention sliding bearing test lubrication mechanism according to claim 1, wherein the control board (5) is one of an editable logic controller, a microprocessor and an industrial personal computer.

Description

Oil leakage prevention sliding bearing test lubrication mechanism Technical Field The utility model relates to the technical field of sliding bearing testing mechanisms, in particular to an oil leakage prevention sliding bearing testing and lubricating mechanism. Background The performance of a sliding bearing as a key component in a mechanical system directly affects the stability and reliability of the device. With the development of industrial technology to high speed, heavy load and precision, higher requirements are put on the bearing capacity, friction characteristics, service life and anti-interference capacity of the sliding bearing. The sliding bearing test accurately measures key parameters such as friction coefficient, temperature rise, abrasion loss and the like by simulating actual working conditions, and provides data support for bearing design optimization, material selection and fault diagnosis. In the published Chinese patent application, the publication number is CN210487269U, and the patent name is a tilting pad sliding bearing test box and a test bench, although the tilting pad sliding bearing test box is embedded on the outer circular wall of a hollow input shaft through a strain gauge film, strain data generated by oil film pressure is transmitted to a test computer through a wireless strain node, so that the transient pressure value and the pressure distribution state of the oil film are tested. However, this prior art has certain limitations in terms of lubrication systems. The oil circulation, temperature control, oil leakage protection and other aspects of the lubrication system still need to be improved. In the actual test process, the high-speed rotation of the sliding bearing and the application of load lead to the increase of the internal temperature of the sliding bearing, and the prior art cannot effectively detect the temperature change of the lubricating oil in the sliding bearing and cannot effectively detect the rotating speed and the load information of the rotating shaft, so that the test data is inaccurate in the actual test. Therefore, there is a need for a sliding bearing test lubrication mechanism that effectively solves the above-mentioned problems. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a test lubrication mechanism for an oil leakage prevention sliding bearing, and solves the problems in the background art. (II) technical scheme The oil leakage prevention lubricating mechanism comprises a sliding bearing, a workbench, a sleeper, a loading part, an oil measuring part and a control board, wherein the control board and the sleeper are fixedly arranged on the workbench, the control board is respectively connected with the loading part and the oil measuring part in a control mode, the sliding bearing is detachably arranged on the sleeper, the loading part comprises a rotating shaft, a radial load assembly, a motor and a rotating speed sensor, the rotating shaft is inserted into the sliding bearing and is in sliding connection with the sliding bearing, the motor and the radial load assembly are arranged on the workbench, the motor is in transmission connection with the rotating shaft, the motor drives the rotating shaft to rotate at a high speed, the radial load assembly is in transmission connection with the rotating shaft, the radial load assembly exerts radial force on the rotating shaft, the rotating speed sensor is arranged on the workbench, the rotating speed sensor detects the rotating speed of the rotating shaft, the oil measuring part comprises a temperature measuring piece, an oil tank, an oil pump and a liquid level sensor, the temperature measuring piece is detachably arranged on the sliding bearing, the temperature measuring piece measures the temperature inside the sliding bearing, the oil inlet end of the oil pump is communicated with the oil tank, and the liquid level sensor is arranged at the bottom of the sliding bearing, and the oil tank is communicated with the inner cavity of the sliding bearing. Optionally, the oil measuring component further comprises a first oil pipe and a second oil pipe, wherein one end of the first oil pipe is detachably mounted with an oil discharge port of the sliding bearing, the other end of the first oil pipe is fixedly mounted with the oil tank, the first oil pipe is respectively communicated with an inner cavity of the sliding bearing and the oil tank, the height position of the first oil pipe is lower than that of the sliding bearing, one end of the second oil pipe is detachably mounted with an oil inlet of the sliding bearing, the other end of the second oil pipe is fixedly mounted with an oil discharge end of the oil pump, and the second oil pipe is respectively communicated with the inner cavity of the sliding bearing and the oil pump. Optionally, a first electric control valve is installed on the first oil pipe, a second el