A cable pulling tube structure and its installation method
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, improve safety effect
Active Publication Date: 2021-08-27
南京东瑞水电工程有限公司
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- Abstract
- Description
- Claims
- Application Information
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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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Experimental program
Comparison scheme
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Embodiment
[0039] Embodiment: a kind of 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-compression plates 111 symmetrically arranged on both sides of the cable duct, and symmetrically set on the opposite side walls of the two anti-compression plates 111 There are horizontal through-holes 1111, and the two through-holes 1111 form a through-hole for the cable duct to pass through. On the opposite side walls of the two anti-pressure plates 111 and on both sides of the perforation 1111, circular embedding grooves 1112 are symmetrically opened, and a buffer spring 112 is arranged between the two opposing embedding grooves 1112, and the buffer spring Both ends of 112 are respectively fixed to the bottoms of the two corresponding embedding grooves 1112 .
[0040] refer to figure 2 and image 3 , when the buffer spring 112 is in a state of...
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The application discloses a cable pull tube structure and its installation method, which includes anti-compression devices arranged at intervals in the groove. The anti-compression device includes two anti-compression plates arranged opposite to each other. For the perforation for the cable duct to pass through, the two pressure-resistant plates are symmetrically provided with embedding grooves on both sides of the perforation, and a buffer spring is arranged between the two opposite embedding grooves, and a guide rod is pierced in the buffer spring. There is a transition groove on the bottom of the embedding groove, and a buffer groove is opened in the anti-pressure plate on the side of the transition groove away from the embedding groove. The buffer groove is connected with the transition groove, and the guide rod passes through the transition groove and extends to the buffer In the groove, the end of the guide rod located in the buffer groove is provided with a buffer piece that slides and fits with the buffer groove. The technical effect of the application is that the damage to the cable duct caused by the lateral extrusion of the foundation is reduced, and the safety of the cable duct is improved.
Description
technical field [0001] The present application relates to the field of cable pull tubes, in particular to a cable pull tube structure and an installation method thereof. Background technique [0002] Cable pipe is a process of laying cable pipes below the ground. At present, most of the cable pipes are excavated and directly buried. After a certain thickness of sand or fine sand is laid in the trench, the soil is used for backfilling and compacted to be flush with the ground. [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. . Contents of the invention [0004] The purpose of this application is to provide a cable pull tube structure, which has the advantages of reducing the damage to the cable duct caused by the lateral extrusion of the fou...
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