Hydraulic operation triple pump hydraulic system
A technology of hydraulic system and triple pump, applied in the field of hydraulic system, can solve the problems of increased operation fatigue, complicated control and inability to act.
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[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0028] Such as Figure 1 to Figure 7 As shown, the symbol numbers are explained as follows: first oil pump 11, second oil pump 12, third oil pump 13, swing hydraulic system 2, swing brake control valve group 21, swing buffer valve group 22, first shuttle valve 22a, intermediate circuit 22b , the second pressure reducing valve 22c, the first reversing valve stem 23, the rotary motor 24, the first hydraulic control reversing valve 25, the driving end 25a, the spring chamber 25b, the second shuttle valve 26, the first one-way throttle valve 27. Swing brake 28, first control shuttle valve 29, boom telescopic hydraulic system 3, telescopic oil cylinder switching valve group 31, first one-way balance valve 32, first telescopic oil cylinder 33, transition sleeve 33a, second telescopic oil cylinder 34, the second hydraulic control reversing valve 35,...
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