Concealed cable trench with marking system
A cable trench and hidden technology, which is applied in the installation of cables and ground cables, etc., to achieve the effects of convenient installation and use, reduced labor costs, and improved construction quality
Active Publication Date: 2013-04-03
ZHEJIANG ELECTRIC POWER DESIGN INST
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a structure that is reasonable and compact, easy to install and use, can not only arrange the cable trench hiddenly, but also have a marking system at the same time, avoiding the hidden belt of the trench body. Hidden cable trench with marking system that can reduce labor costs and effectively improve construction quality
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[0010] The present invention will be described in detail below in conjunction with accompanying drawing: the present invention mainly follows following two technical routes:
[0011] 1) Make full use of the favorable conditions that the current substation site is required to be paved with gravel, lower the cable trench by about 350mm, and hide the cable trench as a whole below the ground surface. Like the previous open cable trench, use the uncovered cable trench cover. It is covered with about 100mm thick gravel, which is convenient for the cover to be uncovered and closed. In the general plan, the original exposed large number of cable trenches are no longer visible, replaced by the overall appearance of the gravel floor consistent with the general plan.
[0012] 2) In the case of hiding the cable trench as a whole below the ground and using a conventional, easy-to-operate and maintenance-friendly uncovered cable trench cover, there will be problems: it is not easy to find th...
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A concealed cable trench with a marking system comprises a cable trench body concealed and buried under the ground surface and a cover plate disposed on the upper side of the cable trench body. The cover plate is disposed on the upper side of the cable trench body in opened and closed modes, an upward vertical shallow side strip is arranged at one side end of the cover plate and expose out of the ground surface, a rubble layer with the thickness of 80-110mm is coated on the surface of the cover plate and forms the ground surface, the shallow side strip on the cover plate forms a continuous marking line about 50mm in width, the cable trench body is lowered by 300-400mm to be concealed under the ground surface, the upward vertical height of the shallow side strip on the cover plate ranges from 120mm to 140mm, the cover plate is covered with rubbles 100mm in thickness, and the upper end of the shallow side strip expose by 20-40mm. The concealed cable trench with the marking system has the advantages that the concealed cable trench is reasonable and compact in structure and convenient to mount and use, can be in concealed arrangement and can be provided with the marking system simultaneously, the problems of find difficulty and the like caused by concealed burying of the trench body are avoided, misoperation of travelling is prevented, labor cost can be reduced, construction quality is improved greatly and the like.
Description
technical field [0001] The invention relates to a concealed cable trench with a marking system in a substation, and belongs to the technical field of power transmission and transformation engineering design. Background technique [0002] At present, the substation is developing in the direction of simplification. In the past, the cable trenches in the substation were all arranged with open trenches, and the upper cover can be uncovered. The cable trench cover is about 150mm exposed to the ground, and the width is about 600mm. Taking the conventional 220kV compact GIS substation as an example, the length is 360m long, with five horizontal lines and two vertical lines. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a structure that is reasonable and compact, easy to install and use, can not only arrange the cable trench hiddenly, but also have a marking system at the same time, avoiding th...
Claims
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IPC IPC(8): H02G9/02
Inventor 吴亮况骄庭钱锋徐建国黄达余安春秀冯仁祥梅狄克盛晓红
Owner ZHEJIANG ELECTRIC POWER DESIGN INST