Hydraulic loading servo control system for output shaft of speed reducer and control method

Abstract

The invention provides a hydraulic loading servo control system for an output shaft of a speed reducer and a control method, and relates to the technical field of hydraulic control systems. The hydraulic loading servo control system comprises an oil tank, a pump motor set A, a pump motor set B, a testing piece, an oil motor and a cooler, wherein oil inlets of the pump motor set A and the pump motor set B are connected with the oil tank, an outlet of the pump motor set A is connected with an inlet of the oil motor through a pipeline A, a one-way valve A, a pressure gauge A and a pressure sensorA are sequentially arranged on the pipeline A, an output end of the oil motor is fixedly connected with the testing piece through a coupling, an oil outlet of the oil motor is connected with controloil ports (A, B) of a servo valve through a pipeline B, an oil return port (T) of the servo valve is connected with the cooler through a pipeline C, and an oil outlet of the cooler is connected into the oil tank. The hydraulic loading servo control system is simple in structure, realizes the accurate control and adjustment of the torque and the rotating speed of a to-be-tested piece.

Description

technical field [0001] The invention relates to the technical field of hydraulic control systems, in particular to a servo control system and control method for hydraulically loading an output shaft of a reducer. Background technique [0002] It is known that for the output shaft of the reducer, it is often necessary to carry out a load test. It is an efficient and economical way to use hydraulic drag loading. However, in the prior art, the control of the torque and speed of the oil motor is inaccurate, and the oil temperature Often cannot be controlled within the working range, therefore, to provide a precise control and adjustment of the torque and rotational speed of the tested piece has become the basic appeal of those skilled in the art. Contents of the invention [0003] In order to overcome the deficiencies in the background technology, the present invention discloses a servo control system and control method for hydraulically loading the output shaft of the reducer...

AI Technical Summary

Problems solved by technology

[0002] It is known that for the output shaft of the reducer, it is often necessary to carry out a load test. It is an efficient and economical way to use hydraulic drag loading. However, in the prior art, the control of the torque and speed of the oil motor is inaccurate, and the oil temperature Often cannot be controlled within the working range, therefore, to propose a precise control and adjustment of the torque and speed of the tested piece has become the basic appeal of those skilled in the art

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