Shuttle valve, shuttle valve driving type device, winding drum brake cylinder control loop and crane
A driven, shuttle valve technology, applied in the field of hydraulic control valves, can solve the problems of reduced service life, poor sealing, looseness, etc., and achieve the effects of wide application range, improved service life and reliable performance
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[0092] The specific embodiments of the present invention will be described in detail below with reference to the drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and the scope of protection of the present invention is not limited to the following specific embodiments .
[0093] It should be noted, Figure 4 with Figure 5 Shown in is a specific embodiment of the shuttle valve drive device of the present invention, wherein the shuttle valve drive device is used as a hoisting brake valve in a drum brake cylinder control circuit of a crane hoisting mechanism. The shuttle valve driving device of this specific embodiment integrates the shuttle valve F and the hydraulically controlled two-position three-way reversing valve Y of the specific embodiment of the present invention through a common valve body 6, but it should be noted here that, Figure 5 The specific structure shown is only a preferr...
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