Lifting hydraulic control system
A technology of hydraulic control system and hydraulic control valve, which is applied in the direction of lifting frame, lifting device, fluid pressure actuating device, etc., which can solve problems such as prone to failure, limited height, and inability to lift large objects, so as to ensure stability , Strong lifting capacity and stable lifting effect
Active Publication Date: 2015-02-18
TAIXING TALI MACHINERY MFG
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Abstract
The invention relates to a lifting hydraulic control system which comprises an oil tank, a hydraulic pump and a hydraulic control circuit, wherein an input end of the hydraulic pump is connected with the oil tank via a pipeline; the lifting hydraulic control system is characterized in that an output end of the hydraulic pump is connected with the P port of a three-position four-way valve; the T port of the three-position four-way valve is connected with the oil tank via a pipeline; the A port of the three-position four-way valve is connected with an input end of a balance valve; each of the two input ends of the balance valve is connected with an input end of each of two hydraulic control valves; the B port of the three-position four-way valve is divided into two branches, and each of the two branches is connected with the other input end of each of the hydraulic control valves; the output ends of the hydraulic control valves are connected with the input ends of corresponding hydraulic cylinders; electromagnetic valve reversing valve branches are arranged on pipelines between the hydraulic control valves and the input ends of the hydraulic cylinders; input ends of electromagnetic reversing valves are connected with the input ends of the hydraulic cylinders; two output ends of the electromagnetic reversing valves are connected with the oil tank via pipelines respectively; the hydraulic pump, a three-way electromagnetic valve and the electromagnetic reversing valves are connected with the control circuit.
Application Domain
Servomotor componentsServomotors +1
Technology Topic
Electromagnetic valveHydraulic pump +8
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