A hydraulic system for overspeed dynamic capture of rail transport vehicles
A technology of rail transportation and hydraulic system, which is applied to the operating mechanism of railway vehicle brakes, railway braking system, transportation and packaging, etc. It can solve the problems of poor track adaptability, poor system reliability, easy to fall off the track, etc., and achieve rapid braking. , The error rate is low, and the effect of avoiding falling off the road
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[0031] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0032] figure 1 Among them, the present invention includes a signal detection part I, a pressure relief part II, a liquid filling part III, an execution part IV and a fuel tank V; the P of the second throttle valve 7.2 of the signal detection part I 2 The port is connected to the K port of the hydraulic control check valve 8 of the pressure relief part II; the liquid outlet of the coarse filter (1) of the signal detection part I is connected to the P port of the No. 5 check valve 3.5 of the liquid filling part III 1 Port connection, port B of No. 1 cartridge valve 9.1 of pressure relief part II, port B of No. 2 cartridge valve 9.2 and P of No. 7 one-way valve 3.7 of liquid filling part III 2 The port is connected to the liquid inlet and outlet of the brake cylinder 12 piston rod cavity of the executive part IV; the oil return port of the detection part I, ...
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