Multi-station hydraulic signal controlled type oil passage conversion linkage device
A technology of hydraulic signal and linkage device, which is applied in the direction of fluid pressure actuating device, servo meter circuit, servo motor assembly, etc., can solve the problem of not being able to cope with the action sequence of hydraulic cylinders, etc., to increase the scope of application, the structure is simple, and the use effect is improved. Effect
Pending Publication Date: 2018-06-22
冯广建
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Problems solved by technology
However, when the above-mentioned multi-channel hydraulic control valve controls the action of the hydraulic cylinder, the entire action process (including reversing) of the oil cylinder must be completed before the oil cylinder can be switched, and it cannot cope with some occasions that have more complicated requirements for the action sequence of the hydraulic oil cylinder.
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[0027] The present invention provides an embodiment of a multi-station hydraulic signal control type oil circuit switching linkage device for description.
[0028] refer to figure 1 , figure 2 , the oil circuit conversion linkage device of the present invention is based on the oil circuit switch conversion control device, figure 1 and figure 2 Provides a preferred embodiment of an oil switch conversion control device, including a switch valve 1 and a reversing valve 2, and the valve chambers of the switch valve 1 and the reversing valve 2 communicate through the first oil passage 3, preferably , the channel switch valve 1 and the reversing valve 2 are integrally arranged. A switch spool 11 is arranged in the valve chamber of the bypass switch valve 1, and a hydraulic oil inlet 12 and a hydraulic oil outlet 13 are arranged on the bypass switch valve 1, and the switch spool 11 moves so that the hydraulic oil inlet 12 is in the Switch connection between channel 3 and hydrau...
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The invention discloses a multi-station hydraulic signal controlled type oil passage conversion linkage device comprising a plurality of hydraulic cylinders; and the strokes of piston rods of the hydraulic cylinders are provided with remote hydraulic signal switches, each hydraulic cylinder is provided with an oil passage switching control device to control the action of the hydraulic cylinders, the oil passage switching control devices comprise bypass switching valves and reversing valves, the bypass switching valves are provided with a plurality of switching valve state conversion connectors, and outlets of the remote hydraulic signal switches are connected with the switching valve state conversion connectors. The multi-station hydraulic signal controlled type oil passage conversion linkage device is based on the oil passage switching control devices, the switching valve state change connectors connected with the outlets of the remote hydraulic signal switches are arranged on the oilpassage switching control devices, conditions that the switching valve cores are driven to act in different stations and multiple stations can appear, so that more complex sequences of operation between multiple hydraulic cylinders are realized.
Description
technical field [0001] The invention relates to the field of hydraulic control systems, in particular to a multi-station hydraulic signal-controlled oil circuit conversion linkage device. Background technique [0002] The applicant's prior application for an invention patent "a linkage device based on a multi-channel hydraulic control valve" (patent number 201310413960.6) discloses a linkage device applied to a steel bar bending machine. The linkage device uses a multi-channel hydraulic control valve Based on this, the multi-way hydraulic control valve has a switching spool and a reversing spool, which can switch different hydraulic cylinders for oil supply and control the reversing of the hydraulic cylinder, and can realize automatic bending of steel bars controlled by hydraulic pressure. However, when the above-mentioned multi-channel hydraulic control valve controls the action of the hydraulic cylinder, the entire action process (including reversing) of the oil cylinder m...
Claims
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IPC IPC(8): F15B13/06
CPCF15B13/06F15B2211/783
Inventor 冯广建
Owner 冯广建