Driving mechanism for manual/automatic changeover integrated valve
A drive mechanism, integrated technology, applied in engine components, valve operation/release devices, valve details, etc., can solve problems such as low production efficiency, potential safety hazards, and low cost of manual reversing valves
Active Publication Date: 2016-05-25
TIANJIN HUANING ELECTRONICS
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Problems solved by technology
The cost of manual reversing valve is low, but the production efficiency is low, and there are defects such as potential safety hazards
The electro-hydraulic reversing valve can realize automatic mining of coal mines and improve production efficiency, but the cost is high
At present, most coal mines in my country use manual reversing valves. If they are directly replaced with electro-hydraulic reversing valves, they need to invest a lot of money to purchase new reversing valves.
Method used
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[0018] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0019] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...
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The invention provides a driving mechanism for a manual / automatic changeover integrated valve. The driving mechanism comprises a solenoid actuator, a control valve core, a hydraulic driving part and a lever, wherein a control end of the solenoid actuator is connected with an electric receptacle; both ends of the level respectively abut against the solenoid actuator and control valve core; the control valve core comprises a liquid inlet port and a liquid return port which communicate with the hydraulic driving part; first pistons and second pistons are alternately arranged in opposite in a seal cavity of the hydraulic driving part; each first piston comprises a first piston body and a first support pillar; each second piston comprises a second piston body and a second support pillar; the first support pillar is connected with a manual changeover body in a driving mode; and the second support pillar is connected with an operating handle in a driving mode. The existing hydraulic support manual changeover valve is converted into the manual / automatic integrated valve with manual and electric functions, thereby providing the manual and electric changeover driving structure, effectively lowering the replacement cost and enhancing the efficiency and use safety.
Description
technical field [0001] The invention belongs to the field of manual reversing valve devices, in particular to a driving mechanism for a manual reversing integrated valve. Background technique [0002] Hydraulic support is a main working face equipment in coal mine longwall mining, and its adaptability and reliability are one of the key factors for safe and efficient production of working face. Existing hydraulic supports mainly use two types of reversing valves, including manual reversing valves and electro-hydraulic control reversing valves. The cost of manual reversing valve is low, but the production efficiency is low, and there are defects such as potential safety hazards. The electro-hydraulic reversing valve can realize automatic mining of coal mines and improve production efficiency, but the cost is high. At present, most coal mines in my country use manual reversing valves. If they are directly replaced with electro-hydraulic reversing valves, a large amount of mon...
Claims
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Login to View More IPC IPC(8): F16K31/11F16K31/143
CPCF16K31/0603F16K31/143
Inventor 祝振中杜云岗郑金文金猛
Owner TIANJIN HUANING ELECTRONICS