Overlap-type hand wheel and hydraulic driving flat valve
A flat valve, superimposed technology, used in sliding valves, valve devices, engine components, etc., can solve problems such as pipeline or equipment failure to operate, major economic losses or safety accidents, and increase the waste of social resources. The user's economic burden, etc.
Inactive Publication Date: 2016-02-24
JIANGSU HONGTAI PETROCHEM MACHINERY
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Problems solved by technology
Except for handwheel drive, other driving methods require an auxiliary system and preconditions; if there is a problem with the auxiliary system or the preconditions are missing, the entire pipeline or equipment controlled by the flat valve will not be able to operate
For some important pipelines or equipment, the inability to operate means major economic losses or safety accidents
The existing solution to ensure operation is usually "dual valve configuration": that is, a manual control valve is connected in series near the automatic control valve; if it is a complex pipeline or equipment, how many automatic control valves are used, it needs to be configured How many manual control valves; this not only increases the volume and weight of pipelines or equipment, but also increases the waste of social resources and the economic burden of users
Method used
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[0011] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0012] figure 1 Middle: The present invention can be divided into three components: the main body of the flat valve, the hydraulic driving mechanism and the handwheel driving mechanism; the overall structural form is adopted on the upper end of the main body of the flat valve, and the hydraulic driving mechanism and the handwheel driving mechanism are superimposed. The main body of the flat valve of the present invention consists of a valve body (1), a valve seat assembly (2), a gate (3), a gasket ring (4), bolts and nuts (6), a sealing assembly (8), a grease injection valve (34), protective plate (35), guide rod (36), indicating plate (37), shield (38) and connecting screw (22), screw (26) are made up of. In the main body of the plate valve, the valve body (1) is a four-way part: the left and right ends are protruding medium passages and c...
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The invention discloses an overlap-type hand wheel and hydraulic driving flat valve. The overlap-type hand wheel and hydraulic driving flat valve comprises a flat valve body, a hand wheel driving mechanism and a hydraulic driving mechanism. The upper end of the flat valve body is connected with the hydraulic driving mechanism through a sealing backing ring and bolts and nuts; the upper end of the hydraulic driving mechanism is connected with the hand wheel driving mechanism through threads and screw holes; the upper end of a flashboard in the flat valve body is movably connected with the lower end of a piston rod in the hydraulic driving mechanism, and the lower end of the flashboard is movably connected with the upper end of a guiding rod; the upper end of a ball screw in the hand wheel driving mechanism is movably connected with a ball nut, and the lower end of the ball screw is fixedly connected with the upper end of a piston rod, which is inserted in a central hole of a piston block, in the hydraulic driving mechanism. Through necessary part adjustment, the same valve can be driven hydraulically or through a hand wheel, so that the performance of the valve is improved; the structure of a pipeline or equipment is simplified, and normal operation is ensured; and the overlap-type hand wheel and hydraulic driving flat valve has obvious economic benefit and social benefit.
Description
technical field [0001] The invention relates to the field of petrochemical industry and the development of new products of flat valves. Background technique [0002] Among the existing petrochemical equipment at home and abroad, the flat valve is driven by a single mode; that is, either handwheel drive, hydraulic drive, motor drive, or pneumatic drive. Except for handwheel drive, other driving methods require an auxiliary system and preconditions; if there is a problem with the auxiliary system or the preconditions are missing, the entire pipeline or equipment controlled by the flat valve will not be able to operate . For some important pipelines or equipment, failure to operate means major economic losses or safety accidents. The existing solution to ensure operation is usually "dual valve configuration": that is, a manual control valve is connected in series near the automatic control valve; if it is a complex pipeline or equipment, how many automatic control valves are ...
Claims
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IPC IPC(8): F16K3/02F16K3/30
CPCF16K3/02F16K3/30
Inventor 姜玉虎刘守华袁俊王可朝杨志炜张辉曾小敬
Owner JIANGSU HONGTAI PETROCHEM MACHINERY