Multi-way valve and tunnel boring machine
A multi-way valve and oil circuit technology, applied in mechanical equipment, fluid pressure actuating devices, servo motor components, etc., can solve problems such as inability to achieve electrical automatic control, easy blocking of slender orifices, and failure of feedback pressure signals. Achieve the effect of realizing electrical automation control, not easy to get stuck, and reducing requirements
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[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0034] figure 2 Shown is a hydraulic schematic diagram of a multi-way valve according to an embodiment of the present invention. It should be clear that the multi-way valve can be applied to hydraulic systems of various machines, including but not limited to road heading machines. When applied to a roadheader, the multi-way valve can be used to control the actuators of the roadheader.
[0035] like figure 2 As shown, the multi-way valve of the present inventio...
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