A cable trench cover unit

Abstract

The invention discloses a cable trench cover plate unit. The cable trench cover plate unit is formed by a steel bar framework and concrete. The cross section of the cable trench cover plate unit is in a structure shaped like a Chinese character "tu"; the "tu"-shaped surface is provided with run-through or non-run-through hoisting ports; each hoisting port is internally provided with a hoisting portion; and the hoisting portion is one part of the steel bar framework. The cable trench cover plate unit is simple in construction, good in bearing capacity, good in shock resistance and high in strength, and is suitable for places of pavements, communities, squares and parking lots and the like.

Description

technical field [0001] The invention relates to the field of electric facilities, in particular to a cable trench cover plate unit. Background technique [0002] In power transformation projects, the use of cables is becoming more and more popular, especially in cable trenches. It is more common for high voltage, power and control cables to be laid in the same trench. After the cable laying is completed on the construction site, there is no cover plate, and after the welding of the cable bracket in the cable trench is completed, the cable trench cover plate needs to be placed on the cable trench to ensure safety. [0003] Existing cable trench covers include reinforced concrete cable trench covers, inorganic composite cable trench covers, organic composite cable trench covers, and cast iron cable trench covers. 1. Reinforced concrete cable trench cover plate can meet the requirements of pedestrian load, but often due to the small scale of the manufacturer and insufficient p...

AI Technical Summary

Problems solved by technology

1. Reinforced concrete cable trench cover plate can meet the requirements of pedestrian load, but often due to the small scale of the manufacturer and insufficient precision of the mold, the deviation of the outer dimension of the finished cover plate is too large, the gap after installation is too large, and some cover plates are resistant to compression The strength and flexural resistance cannot meet the requirements, and there are sometimes missing corners and cracks; 2. The inorganic composite cable trench cover is made of inorganic minerals as the main material, with chemical additives, fillers, reinforcing materials, etc. Molecular polymerization technology, formed in a mold at one time, has the advantages of light weight, beautiful appearance, easy construction, good toughness, not easy to knock edges and corners, can be cut arbitrarily, insulation, fire prevention, environmental protection, etc., but its bearing capacity and compressive strength It is lower than the reinforced concrete cable trench cover; 3. The organic composite cable trench cover is made of unsaturated polyester resin as the matrix, glass fiber roving as the skeleton, and has a certain opening rate made by a special process on a custom-made abrasive tool. Plate-shaped material, made of glass fiber interlaced weaving, resin pouring and molded as a whole, has high compressive strength, strong flexural resistance, good corrosion resistance and wear resistance, good insulation performance, and the cover plate can be cut and the cover plate is lighter , easy installation, adjustable color and pattern, etc., but only suitable for the cable trench in the power distribution room; 4. The cast iron cover plate is made of patterned steel plate, which is easy to corrode and rust, and requires regular or irregular inspection and maintenance , and because of its secondary use value, it is easy to be stolen when placed outdoors, so it is only suitable for indoor cable trenches in power distribution rooms

[0004] In addition, there is no lifting opening on the existing cable trench cover, and the cable trench cover is often broken when the cable trench needs to be repaired

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