CN206099263U - Assembled cable pipe installation structure - Google Patents

Abstract

The utility model relates to an assembly-type cable pipe installation structure with factory production, high-quality finished products and fast production speed. It includes a cable protection tube with a hollow structure for the cable to pass through. The outer section of the cable protection tube is a rectangular structure as a whole. At least one side of the cable protection tube is provided with a limit tenon protruding outward. Correspondingly, in The side opposite to the limit tenon where the cable protection tube is located is provided with a groove for the limit tenon to be embedded in. The cable pipe installation structure is composed of multi-layer cable pipes. One, on both sides of the cable protection tube at the bottom layer, there are limiting channel steels that limit the radial movement of the cable protection tube. layer on the ground. Prefabricated piping can be constructed by mechanization, and the progress of the project is fast. There is no need for formwork, concrete pouring, and no need for concrete maintenance, which greatly saves construction time.

Description

Assembled cable pipe installation structure

technical field

The utility model belongs to the technical field of high-voltage transmission lines, in particular to an assembly type cable pipe installation structure.

Background technique

Insulated power cables are generally used for underground wiring of power lines. There are several methods of laying, such as direct burial, cable pipe, cable trench, underground comprehensive (or cable dedicated) pipe gallery, etc., among which direct burial and cable pipe are often supplemented by a well for laying. The underground comprehensive (or cable dedicated) pipe gallery has a huge investment and is rarely used. Directly buried cables are susceptible to external damage and heat sources, and at the same time, they must be prevented from corrosion by acid and alkali solutions, which is not conducive to the safe operation of power lines. Cable pipes are widely used in the construction of cable lines due to their low cost, small footprint, and complete cable protection measures.

At present, cable pipes are generally constructed by cast-in-place method. Although it has the advantages of flexible operation and simple construction, it also has disadvantages such as large construction work area and long construction period. At the same time, on-site concrete mixing is also easy to cause damage to the surrounding environment.

Utility model content

The purpose of the utility model is to provide a factory production, high-quality finished product and fast production speed assembled cable pipe installation structure. The advantages of the factory site and equipment can be used to upgrade the pipe concrete grade without significantly increasing the cost, and further improve the reliability of the cable line.

In order to achieve the above object, the technical scheme that the utility model takes is:

The assembled cable duct installation structure includes a cable protection tube with a hollow structure for cables to pass through. The outer section of the cable protection tube is a rectangular structure as a whole. Correspondingly, on the side opposite to the limit tenon where the cable protection tube is located, there is a groove for the limit tenon to embed. The cable pipe installation structure is composed of multi-layer cable pipes. There are multiple layers of cable pipes. On both sides of the bottom cable protection tube, there are limiting channel steels that limit the radial movement of the cable protection tube. The pillow is placed on the ground with a gravel cushion.

Each corner of each cable protection tube is provided with an arc-shaped gap, and the arc-shaped gap between four adjacent cable protection tubes distributed in a rectangular array forms a reserved optical cable channel.

The width of the limiting tenon gradually increases from top to bottom, and has an isosceles trapezoidal structure.

The optical cable channel is circular.

Beneficial effects of the utility model: the assembled pipe arrangement can be constructed by mechanization, and the progress of the project is fast. After the excavation of the foundation pit for cable pipes is completed, gravel and road sleepers can be laid, and the assembled pipes will be transported to the site for mechanical hoisting and laying. After the pipeline installation is completed, the foundation pit is backfilled, and the construction can be completed after compaction. There is no need for formwork, concrete pouring, and no need for concrete maintenance, which greatly saves construction time. The cable pipe can be laid in a single distributed way through the tense section of the corridor to improve the feasibility of line implementation.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a sectional view of a single cable protection tube of the present invention.

detailed description

Below in conjunction with embodiment the utility model is described further.

Example

As shown in Fig. 1 and Fig. 2, the assembled cable duct installation structure includes a cable protection tube 1 with a hollow structure for cables to pass through. The outer cross section of the cable protection tube has a rectangular structure as a whole. One side is provided with a limit tenon 2 protruding outward, and correspondingly, a groove 3 for the limit tenon to be embedded is provided on the side opposite to the limit tenon where the cable protection tube is located. The structure is formed by stacking multiple layers of cable pipes. There are multiple cable pipes on each layer. On both sides of the bottom cable protection pipe, there are limit channel steels 4 that limit the movement of the cable protection pipe along its radial direction. The lower end of the cable protection tube of the first layer is provided with a road sleeper 5, and the road sleeper is arranged on the ground with a crushed stone cushion 6. Each corner of each cable protection tube is provided with an arc-shaped gap 7, and the arc-shaped gap between four adjacent cable protection tubes distributed in a rectangular array forms a reserved optical cable channel. The width of the limiting tenon gradually increases from top to bottom, and has an isosceles trapezoidal structure. The optical cable channel is circular.

Among them, the road sleeper also includes accessories such as limit channel steel and connectors. The limiting channel steel has the function of ensuring that the bottom row of pipes does not slip left and right. In order to ensure that the road sleepers are located on the same plane as much as possible, the limiting channel steel and the assembled pipes should be installed in a staggered left and right direction. The upper and lower pipes use their own prefabricated limit tenons to ensure that they will not slip each other, thereby ensuring the smoothness of the cables during laying.

For the convenience of transportation and construction, the length of the assembled pipe should not exceed 11m, and the length of the pipe assembled by manual handling should not exceed 7m. The front and rear pipes are filled with rubber gaskets, and the outer layer is wrapped with waterproof rubber cloth. The rubber cloth wrapping range should not be less than 300mm on the left and right sides of the pipe joints, and should not be less than two layers.

When the load on the upper part of the pipe is large, the pre-embedded steel bars in the pipe should be appropriately increased, the concrete grade should be improved, and the distance between road sleepers should be appropriately reduced.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and what is described in the above-mentioned embodiments and the description is only to illustrate the principle of the utility model. Simple modifications and replacements by ordinary technicians are within the protection scope of the present utility model.

Claims (4)

1. assembled cable duct bank mounting structure, it is characterised in that：Protect including the cable of the hollow structure passed through with current supply cable Pillar, the section outside the cable protection pipe is integrally in rectangular configuration, is provided with outwardly at least side of cable protection pipe Spacing tenon, it is corresponding, the groove being embedded in for spacing tenon is provided with the opposite side of spacing tenon that cable protection pipe is located, The cable duct bank mounting structure is formed by stacking by multi-layer cable comb, each layer cable duct bank be equipped with it is multiple, in the electricity of the bottom The both sides of cable protection pipe are provided with and limit the spacing channel-section steel that cable protection pipe is moved along the radial, under the cable protection pipe of lowermost layer End is provided with pillow, and road pillow is located at and is equipped with the ground of blotter.

2. assembled cable duct bank mounting structure according to claim 1, it is characterised in that：Described each cable protection pipe Each angle be equipped with arc notch, it is pre- that arc notch between the cable protection pipe of adjacent four rectangular array distributions forms one Stay fiber channel.

3. assembled cable duct bank mounting structure according to claim 1 and 2, it is characterised in that：Described spacing tenon From top to bottom width gradually increases, in isosceles trapezoidal structure.

4. assembled cable duct bank mounting structure according to claim 2, it is characterised in that：Described fiber channel is circle Shape.