Oil supply device for engineering vehicle
A technology for oil supply devices and engineering vehicles, which is applied in the direction of lifting devices, fluid pressure actuating devices, servo motor components, etc., which can solve the problems of energy waste, inability to effectively use high-pressure hydraulic oil, and low efficiency, and shorten the time required to achieve , Reduce the energy required for pressurization, and improve the efficiency of oil supply
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[0025] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0026] Such as figure 1 As shown, the oil supply device of the engineering vehicle provided by the first embodiment of the present invention is used to provide hydraulic oil to the working device of the engineering vehicle, and the oil supply device includes a fuel tank 1, a shuttle valve 2, an oil pump 3 and a priority valve 4 .
[0027] An oil tank 1 is used to store high-pressure hydraulic oil and low-pressure hydraulic oil; a shuttle valve 2 is used to deliver the high-pressure hydraulic oil or low-pressure hydraulic oil to the oil pump 3 according to the oil condit...
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