A rotating and moving linear covering tool
A mobile and linear technology, applied in wellbore/well parts, earthwork drilling, sealing/isolation, etc., can solve the problems of improving robot failure, reducing robot reliability, and reducing robot economy, so as to reduce procurement Cost, Improve overall reliability, Effect of improving reliability
Active Publication Date: 2017-10-31
HUAWEI TEHCHNOLOGIES CO LTD
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Problems solved by technology
[0004] Therefore, when the tool is manipulating the valve, the robot is required to complete the self-positioning and fixing, and at the same time to move the tool in a straight line and rotate around the valve seat, which not only makes the robot system too complicated, but also increases the risk of robot failure. risk, thereby reducing the reliability of the robot, and the price of the robot increases with the increase of the degree of freedom of the robot, which also greatly reduces the economics of the robot
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[0028] In order to make the purpose and technical solution of the present invention more clear, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0029] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
[0030] The meaning of "left and right" mentioned in the present invention means that when the reader is facing the drawings, the reader's left is the left, and the reader's right is the right, which is not a specific limitation to the present invention.
[0031] The meaning of "connection" in the present invention may be a direct connection between components or an indirect connection between components through other components.
[0032] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figu...
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A rotary and movable linear covering tool comprises a connector, a piston rod, a main oil cylinder, a rear end cover, a base and a handle. The connector is fixedly connected to the left end of the main oil cylinder, a central round hole in clearance fit with the piston rod in the main oil cylinder is formed in the center of the connector, and a flange of the rear end cover is fixedly connected to the right end surface of a main oil cylinder body. The section of the base is shaped like a U-shaped housing with the opening towards the left, and the base is installed at the right end of the main oil cylinder in a sleeving mode and is connected to guiding and supporting sleeves installed on the outer cylinder of the main oil cylinder in a clearance fit and sleeving mode. The handle is fixedly connected to the outer cylinder of the base. The rotary and movable linear covering tool is characterized in that a square inner hole is formed in the right end wall of the base, a round boss is arranged on the right end wall of the rear end cover, and a rotating mechanism enabling the main oil cylinder to rotate around the axis relative to the base and a moving mechanism enabling the main oil cylinder to move axially and horizontally are arranged from left to right through the round boss and the square inner hole. The rotary and movable linear covering tool is reasonable in structure, complete in function, simplified in system, high in reliability and low in overhaul and maintenance cost.
Description
Technical field: [0001] The invention relates to a valve operation tool on an underwater oil production tree, in particular to a rotating and moving linear covering tool. It belongs to the technical field of offshore oil production. Background technique: [0002] A linear covering device, the main structure of which is: a single-acting oil cylinder with a fixed connection interface with the Christmas tree valve, a tool for opening or closing the valve on the underwater Christmas tree, and the device is suitable for carrying and operating by robots standard. [0003] The subsea Christmas tree is a wellhead control device for testing oil and gas after the completion of an oil (gas) well, or when producing oil from a gushing well. There are valves on the Christmas tree, which are used to control and adjust the production of oil wells, as well as routine maintenance and wax removal. In order to control the valves on the Christmas tree, a robot is usually used to carry the cov...
Claims
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IPC IPC(8): E21B34/04E21B23/04
CPCE21B23/04E21B34/04
Inventor 苏世杰曹伟枫张建程友祥唐文献李可
Owner HUAWEI TEHCHNOLOGIES CO LTD