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Underwater valve hydraulic driver

A hydraulic driver and valve technology, applied in valve details, valve devices, engine components, etc., can solve problems such as unreasonable structural design, easy wear and tear of valve stem nuts, etc., and achieve reasonable internal structure design, prolong service life, and reduce costs. Effect

Pending Publication Date: 2019-12-10
NEWAY OIL EQUIP SUZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, in order to overcome the defects of the above-mentioned prior art, the object of the present invention is to provide a hydraulic actuator for underwater valves, which solves the problems of unreasonable structural design of the existing actuator and easy loss of valve stem nuts

Method used

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Embodiment Construction

[0027] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0028] see Figure 1-8 , the underwater valve hydraulic driver of the present embodiment includes a housing 7 and a cylinder body 5 and a top cover 14 respectively arranged at both ends of the housing 7, and the joints between the housing 7, the cylinder body 5 and the top cover 14 are all provided with A cavity is formed between t...

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Abstract

The invention discloses an underwater valve hydraulic driver. The underwater valve hydraulic driver includes a shell, a cylinder body and a top cover, wherein the cylinder body and the top cover are respectively arranged at the two ends of the shell, a cavity body is formed among the shell, the cylinder body and the top cover, the cavity body is internally provided with an upper support, the uppersupport divides the cavity body into a first cavity body and a second cavity body, the first cavity body is internally provided with a balancer assembly, an operating rod, a valve-stem nut assembly sleeving the operating rod and a bearing support sleeving the valve-stem nut assembly, and the valve-stem nut assembly includes a piston connecting rod, a valve-stem nut located in the piston connecting rod and a compression nut for fixing the valve-stem nut to the piston connecting rod. The underwater valve hydraulic driver is reasonable in structure design, operating torque of the driver can be lowered by arranging the valve-stem nut assembly into a combination of a plurality of components, abrasion is reduced, the service life of related components is prolonged, and the cost is lowered.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a spring return type underwater valve hydraulic driver. Background technique [0002] In marine underwater oil and gas, oil exploration and production equipment, underwater valves and valve actuators are usually used. The actuators drive the underwater valves to open the valves. Both underwater valves and their actuators require a long period of time. Therefore, high-reliability underwater valves and their actuators have become the key to the design of underwater valve devices. [0003] In the prior art, for example, the utility model patent of patent application number 201820591659.2 discloses an actuator system for driving underwater valves, and the utility model patent of patent application number 201820591665.8 discloses a system for driving valve opening and closing. The devices disclosed in the above two patents have the following disadvantages: 1) The balancer components a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/122F16K37/00
CPCF16K31/1221F16K37/0008Y02E10/20
Inventor 王正文薄伟吴帅
Owner NEWAY OIL EQUIP SUZHOU
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