Pipeline self-locking, clasping and pushing device and usage method thereof

A technology of pushing device and pipeline, which is applied in the directions of pipeline laying and maintenance, pipe/pipe joint/pipe fitting, mechanical equipment, etc., can solve the torsion-pull fracture of the main return drill pipe and the inability to meet the pipeline crossing construction task. , traversal failure, etc.
CN103148285AInactive Publication Date: 2013-06-12辽河油田建设有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
辽河油田建设有限公司
Publication Date
2013-06-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to the machine field, in particular to a pipeline self-locking, clasping and pushing device and a usage method thereof. The device comprises more than one pushing ejector rod, wherein an anti-slip clasping and pushing piece is arranged at one end of each pushing ejector rod; the anti-slip clasping and pushing pieces are arc-shaped; the anti-slip clasping and pushing pieces define and surround a cylindrical pipeline channel used for accommodating a pipeline; the other end of each anti-slip clasping and pushing piece is connected with an outer frame in a hinge manner; the middle of each anti-slip clasping and pushing piece is connected with an inner frame in a hinge manner; a hydraulic self-locking and clasping mechanism is arranged between the outer frame and the inner frame on the same side; the hydraulic self-locking and clasping mechanism exerts force on the outer frame and the inner frame in opposite directions, so that relative displacement happens to the outer frame and the inner frame, the pushing ejector rods rotate with connection points of the pushing ejector rods and the outer frame and the inner frame serving as rotation pivots, and further the anti-slip pushing piece clasps the pipeline; and more than one traction force connector is arranged at one end, connected with the hydraulic self-locking and clasping mechanism, of the outer frame. The pipeline self-locking, clasping and pushing device can clasp the pipeline and push the pipeline to move forward.
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Description

technical field

[0001] The invention relates to the field of machinery, in particular to a pipe self-locking and pushing device and a method for using the same. Background technique

[0002] In the construction of directional drilling through the pipeline, see figure 1 , as shown, at the unearthed end of the pipeline, some complex landforms are often encountered, such as rivers 4, swamps, streets, embankments 3, highways, railways, hills and mountains, buildings and many other obstacles, which cause a lot of problems for the pipeline to drag back. obstacle. With the construction of a large number of long-distance pipelines 1, due to the large-diameter pipeline crossing long-distance directional drilling, the back-drag force is too large, causing the drill pipe 2 to fail to withstand the large back-drag force and break, resulting in crossing failure. At present, the most advanced The tensile force that the drill pipe can withstand is generally 450 tons, while the directiona...

Claims

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