Hydraulic valve set for garbage compression

Abstract

The invention provides a hydraulic valve set for garbage compression. The hydraulic valve set for garbage compression comprises a first two-position four-way electromagnetic valve, a second two-position four-way electromagnetic valve, a three-position four-way electromagnetic valve, an oil inlet, a first oil outlet and a second oil outlet; a P oil port of the first two-position four-way electromagnetic valve, a P oil port of the second two-position four-way electromagnetic valve and a P oil port of the three-position four-way electromagnetic valve communicate to the oil inlet; a T oil port ofthe first two-position four-way electromagnetic valve and a T oil port of the second two-position four-way electromagnetic valve communicate to the first oil outlet; a T oil port of the three-positionfour-way electromagnetic valve communicates to the second oil outlet; and a two-position two-way electromagnetic valve and an overflow valve are arranged between the oil inlet and the oil outlet in parallel. The hydraulic valve set can realize idling startup, uses the two-position two-way electromagnetic valve for unloading, reduces the impact force during reversing of hydraulic oil, and meanwhile, achieves longer service life.

Description

technical field [0001] The invention relates to the field of hydraulic valve groups, in particular to hydraulic valve groups used for garbage compression. Background technique [0002] At present, the working environment of the garbage compression system is harsh, the working time is long, and the normal continuous 8-10 hours, the work intensity is high; the traditional garbage compression power unit has the following problems due to the unreasonable design of the hydraulic valve group: (1) start with load; (2) And it does not have cooling capacity, which leads to the high oil temperature of the equipment above 85°C and high failure rate; (3) Poor stability and poor performance of continuous operation, resulting in the accumulation of garbage on site, which cannot be processed and transported in time, affecting environmental sanitation and the normal work and life of residents; (4) The operation noise is high during operation, and the commutation impact is large, which has a...

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Problems solved by technology

[0002] At present, the working environment of the garbage compression system is harsh, the working time is long, and the normal continuous 8-10 hours, the work intensity is high; the traditional garbage compression power unit has the following problems due to the unreasonable design of the hydraulic valve group: (1) start with load; (2) And it does not have cooling capacity, which leads to high oil temperature of equipment above 85°C and high failure rate; (3) poor stability and poor performance of continuous operation, resulting in the accumulation of garbage on site, which cannot be processed and transported in time, affecting environmental sanitation and normal work and life of residents; (4) The operation noise is high during operation, and the reversing impact is large, which has a very bad impact on the lives of surrounding residents

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