Integrated type energy-saving and environment-friendly hydraulic servo system

Abstract

The invention discloses an integrated type energy-saving and environment-friendly hydraulic servo system, and belongs to the technical field of machinery assemblies. The integrated type energy-saving and environment-friendly hydraulic servo system comprises a computer, a data collecting part, a power output control part, a one-way valve set, a connecting block and an executing unit. The data collecting part comprises a force sensor, a pressure sensor and a temperature sensor. The power output control part comprises a hydraulic pump, a servo motor and an oil tank. The one-way valve set comprises a first one-way valve and a second one-way valve. An oil channel is placed inside the connecting block. A hydraulic cylinder is adopted in the executing unit, and is composed of a pressurizing cavity, a pressure releasing unit and a piston rod. The computer is connected with the force sensor, the pressure sensor and the temperature sensor. The servo motor is connected with the computer and the hydraulic pump, the hydraulic pump is installed inside the oil tank, and the servo motor is installed outside the oil tank. The oil tank is fixedly connected with a hydraulic cylinder body through the connecting block in a sealing mode, the hydraulic pump is communicated with the hydraulic cylinder through the connecting block, the oil inlet ends of the one-way valves are communicated with the oil tank, and the oil outlets of the one-way valves are communicated with the hydraulic pump.

Description

technical field [0001] The invention belongs to the technical field of mechanical components, in particular to an integrated energy-saving and environment-friendly hydraulic servo system. Background technique [0002] At present, the application of hydraulic systems is becoming more and more extensive, the application environment is becoming more and more complex, and the corresponding application requirements and performance requirements are also getting higher and higher. For example, for the necessary equipment for the research of new materials - the vacuum thermoforming machine, for the performance of the hydraulic system in it, it is required to be able to achieve precise control of different pressure levels. For the traditional pressure precise control of the hydraulic system, it is generally controlled by a proportional servo valve, but this control method will change with the change of temperature and time, which is a difficult point for the design of the control sys...

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Problems solved by technology

[0003] 1. The proportional servo valve consumes a certain amount of energy when controlling, and the along-course loss, local loss and leakage loss in the process of oil flow will lead to low transmission efficiency;

[0004] 2. Proportional servo valves require relatively high manufacturing precision, which brings certain difficulties to use and maintenance, and the cost is also relatively high;

[0006] 4. The proportional servo system will generate relatively large noise, which will have a certain impact on the operator. Although the ultra-quiet transformation can be carried out now, it has not fundamentally solved the problem;

[0007] 5. The entire hydraulic system, from the oil tank to the actuator, occupies a relatively large space, and a lot of connecting pipelines are needed in the middle, which increases the chance of oil leakage and failure

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