An Embracing Type Cable Protection Device
A cable protection and cable technology, which is applied in the field of tight-fitting cable protection devices, can solve the adverse effects of power transmission and transformation line operation stability and continuity, poor cable structure protection strength, and cable criminals are pulled out and dragged to the surface, etc. Problems, to improve structural safety and protection effect, not easy to pull out or drag the effect
Active Publication Date: 2017-09-08
STATE GRID ZHEJIANG NINGBO YINZHOU POWER SUPPLY LTD CO +2
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Problems solved by technology
[0003] During the erection of current power transmission and transformation lines, the cables are usually bundled and then penetrated into cable conduits buried underground. Although these conduits can meet the basic protection needs of cable structures, due to their relatively simple structure, they usually only have a single Therefore, the structural protection strength of the cable is poor, and because the structure between the inner wall of the tube and the cable is relatively loose and simple after assembly, the buried cable is very easy to be pulled out by criminals and dragged to the surface to carry out theft. It not only restricts the safety of cables and wires, but also adversely affects the operation stability and continuity of the entire power transmission and transformation line
Method used
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[0017] The core of the present invention is to provide an embracing type cable protection device, which has better protection effect on cables and higher safety.
[0018] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0019] Please refer to figure 1 with figure 2 , figure 1 Schematic diagram of the structure of the hugging type cable protection device provided for a specific embodiment of the present invention; figure 2 bit figure 1 The enlarged schematic diagram of the local structure of the middle expander.
[0020] In a specific embodiment, the hugging type cable protection device provided by the present invention includes a tube body 22 sleeved on the outer periphery of the cable 21, and an expander 1 is arranged between the inner wall of the tube body 22 and the outer periph...
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The invention discloses an embracing type cable protection device, which comprises a pipe body sleeved on the outer periphery of the cable, an expander is arranged between the inner wall of the pipe and the outer periphery of the cable, and the expander includes a A suitable lower pressing block, one end of the lower pressing block has a reference plate, the top of the lower pressing block has a first guide surface, and the distance between the first guiding surface and the bottom surface of the lower pressing block is closer to the From one end of the reference plate to the end far away from the reference plate, it gradually increases; above the lower pressing block, an upper pressing block that fits closely with the inner wall of the pipe is arranged, and the bottom of the upper pressing block has a The surface is parallel to the second guide surface, and one end of the upper pressing block is provided with an adjusting screw that penetrates the reference plate in the axial direction of the pipe body. The embracing type cable protection device has better protection effect on cables and has higher safety.
Description
technical field [0001] The invention relates to the technical field of supporting equipment for erection and maintenance of power transmission and transformation lines, in particular to a hugging type cable protection device. Background technique [0002] In the current line erection and maintenance process of power transmission and transformation systems, cables are an extremely important part. During the erection process, cables are usually buried underground to save surface space and improve the integration of wiring harnesses. With the continuous improvement of the demand for use, people have also put forward higher requirements for the structural protection of the cables after they are buried. [0003] During the erection of current power transmission and transformation lines, the cables are usually bundled and then penetrated into the cable conduits buried underground. Although these conduits can meet the basic protection needs of cable structures, due to their relativ...
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IPC IPC(8): H02G3/04
Inventor 黄继明杨志义吴高波袁丹陆仲亮范良忠徐磊
Owner STATE GRID ZHEJIANG NINGBO YINZHOU POWER SUPPLY LTD CO