Cable pull pipe structure and installation method thereof
A pipe structure and cable technology, which is applied in the installation of cables, cable installation in underground pipes, cable laying equipment, etc., can solve the problems of safety impact of cable pipes, deformation and damage of cable pipes, etc. ability, reduce deformation damage, and ensure the effect of safety
Active Publication Date: 2020-09-18
南京东瑞水电工程有限公司
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Problems solved by technology
[0003] The cable duct buried below the ground will be greatly affected by the foundation. When the ground is squeezed laterally, it will cause a large lateral pressure on the cable duct, causing deformation and damage of the cable duct, thus affecting the safety of the cable duct.
Method used
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[0039] Example: a cable pulling tube structure, refer to figure 1 and image 3 , including several anti-compression devices 11 arranged in the groove at equal intervals. The anti-compression device 11 includes two anti-pressure plates 111 symmetrically arranged on both sides of the cable duct. The opposite side walls of the two anti-pressure plates 111 are symmetrically opened. There are perforations 1111 penetrating horizontally, and the two perforations 1111 form through holes for the cable conduits to pass through. Circular embedding grooves 1112 are symmetrically opened on the opposite side walls of the two anti-compression plates 111 and located on both sides of the through hole 1111. A buffer spring 112 is arranged between the two opposite embedding grooves 1112, and the buffer spring Both ends of the 112 are respectively fixed with the groove bottoms of the corresponding two embedding grooves 1112 .
[0040] refer to figure 2 and image 3 , when the buffer spring 1...
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The invention discloses a cable pull pipe structure and an installation method thereof. The cable pull pipe structure comprises pressure-resistant devices arranged in a groove at intervals, each pressure-resistant device comprises two pressure-resistant plates which are oppositely arranged; the two pressure-resistant plates are symmetrically provided with through holes for a cable pipeline to passthrough. Embedding grooves are symmetrically formed in the positions, located at the two sides of the through holes, of the two pressure-resistant plates; a buffer spring is arranged between every two opposite embedding grooves; a guide rod is arranged in the buffer spring in a penetrating manner; a transition groove is formed in the groove bottom of the embedding groove, a buffer groove is formed in the side, away from the embedding groove, of the transition groove in the pressure-resistant plate, the buffer groove is communicated with the transition groove, the guide rod penetrates throughthe transition groove and extends into the buffer groove, and a buffer piece matched with the buffer groove in a sliding mode is arranged at the end, located in the buffer groove, of the guide rod. The cable pull pipe structure and the installation method thereof have the technical effects that damage to the cable pipeline caused by lateral extrusion of a foundation is reduced, and the safety of the cable pipeline is improved.
Description
technical field [0001] The present application relates to the field of cable pulling tubes, and in particular, to a cable pulling tube structure and an installation method thereof. Background technique [0002] The cable pulling pipe is a process of laying the cable pipe below the ground. At present, most of the current cable pulling methods adopt the method of excavation and direct burial, that is, the cable pipe is laid in the excavated trench, and then the cable pipe is laid in the trench. After laying a certain thickness of sand or fine sand in the trench, backfill with soil and compact it flush with the ground. [0003] When the cable duct is buried below the ground, it will be greatly affected by the foundation. When the foundation is laterally squeezed, it will cause great lateral pressure on the cable duct, causing deformation and damage to the cable duct, thus affecting the safety of the cable duct. . SUMMARY OF THE INVENTION [0004] The purpose of the present ...
Claims
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IPC IPC(8): H02G9/06H02G1/08
CPCH02G1/08H02G9/06
Inventor 何培根徒俊
Owner 南京东瑞水电工程有限公司