CN216290116U - Assembled cable pit - Google Patents

Abstract

The utility model relates to an assembled cable trench, which comprises a plurality of trench units connected in sequence; the groove unit is U-shaped and comprises a groove body and a groove cover plate arranged at the top of the groove body; the groove body comprises a bottom plate and side plates respectively arranged on two sides of a top plate of the bottom plate; the bottom plates of the adjacent groove units are connected through mortise and tenon joints. The bottom plate, the side plates and the cover plate are of reinforced concrete pouring structures. The contact surface between the side face and the bottom face of the groove cover plate is provided with a step, the top end of the side plate is provided with a protrusion, and the protrusion is clamped in the step. Compared with the prior art, the utility model has the advantages that the reliable connection between the two cable trenches can be realized through the interaction of the connecting tenon and the connecting mortise, the deformation caused by uneven settlement of the soil body can be effectively resisted, and the cables in the cable trenches are protected from being pulled.

Description

An assembled cable trench

technical field

The invention belongs to the technical field of electric power engineering, and is especially suitable for cable trenches in electric power engineering.

Background technique

In power engineering, due to the limitations of site and other conditions, overhead lines cannot be used for power transmission, and it is often necessary to lay cable trenches. Most of the traditional cable trenches are cast on site during construction, which has a large workload, long construction period, and poor quality stability, which does not meet the requirements of State Grid Corporation for new technology and industrialization.

In power engineering, some assembled cable trenches are also used, but these prefabricated cable trenches have poor integrity between blocks, and the ability to deal with uneven settlement of soil during use is weak, and there will be problems between blocks. They are separated from each other, which will tear the cable together and cause the cable to break in severe cases. In addition, the currently used cable trenches, whether cast-in-place or factory prefabricated, have poor sealing at the junction of the cover plate and the cable trench, and are usually covered but not sealed, so it is easy for rainwater to pour into the cable trench. Long-term immersion of cables in water will not only reduce the service life of cables, but also increase the risk of electrical safety accidents.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide an assembled cable trench, which can effectively seal the cables and avoid the occurrence of safety accidents.

The utility model adopts the following technical means to realize: an assembled cable trench, including a plurality of trench units connected in sequence; the trench unit is in the shape of "U", which includes a trench body and a trench unit arranged in the trench. A groove cover plate on the top of the groove body; the groove body comprises a bottom plate and side plates respectively arranged on both sides of the top plate of the bottom plate; the bottom plates of adjacent groove units are connected by tenon and mortise.

Described tenon and mortise comprises bottom plate connecting tenon and bottom plate connecting mortise. . An inspection ring is arranged at the top of the groove cover.

The bottom plate, side plate and cover plate are of reinforced concrete pouring structure.

The contact surface between the side surface and the bottom surface of the groove cover plate is provided with a step, and the top end of the side plate is provided with a protrusion, and the protrusion is clamped in the step.

Compared with the prior art, the utility model can realize the reliable connection between the two cable trenches through the interaction between the connecting tenon and the connecting socket, can effectively resist the deformation caused by the uneven settlement of the soil, and protect the cable trenches. The cable is not pulled. The connection between the cable trench and the cover plate of the utility model adopts a step structure, which can effectively prevent rainwater from pouring in, ensure the drying inside the cable trench, and prolong the service life of the cable. In addition, disulfide sealant is used to fill the joints of the two cable trenches and their cover plates during construction to further improve the tightness of the cable trenches. In the utility model, an inspection ring is reserved on the cover plate, and when inspection is required, the rope is fastened into the inspection ring, and then mechanically hoisted, which is convenient and efficient during inspection. The side plate, the bottom plate and the cover plate of the utility model all adopt concrete structures, and are equipped with steel bars to enhance their strength.

Description of drawings

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

2 is a schematic diagram of the groove body of the present utility model;

Figure 3 is a sectional view of the utility model installation.

Wherein 1, side plate, 1-1, protruding, 2, bottom plate, 2-1, bottom plate connecting tenon, 2-2, bottom plate connecting 卯, 3, groove cover, 3-1, step, 3-2, maintenance Ring, 4. Reinforcement.

Detailed ways

The present invention is described in further detail below in conjunction with the accompanying drawings:

The utility model relates to an assembled cable trench, comprising a plurality of trench units connected in sequence; the trench unit is in the shape of a "U" and comprises a trench body and a trench arranged on the top of the trench body Cover plate 3; the groove body includes a bottom plate 2 and side plates 1 respectively arranged on both sides of the top plate of the bottom plate; the bottom plates 2 of adjacent groove units are connected by tenon and mortise.

Specifically, the tenon and mortise include a bottom plate connecting tenon 2-1 and a bottom plate connecting mortise 2-2, and the bottom plate connecting tenon 2-1 and bottom plate connecting mortise 2-2 are respectively arranged on the bottom plate 2 and the side plate 1, And the bottom plate connecting tenon 2-1 and the bottom plate connecting socket 2-2 are arranged opposite to each other on the same groove unit.

Specifically, the opening of the bottom plate connecting tenon 2-1 is set upward. After this setting, it is only necessary to align the bottom plate connecting tenon 2-2 with it, and let the other groove unit fall freely to realize two grooves. The fixing of the unit is convenient for the operator to construct.

In the present invention, the top of the groove cover plate 3 is provided with an inspection ring 3-2, so that the groove cover plate 3 can be easily lifted to maintain the cables during inspection.

In the utility model, the bottom plate, the side plate and the cover plate are reinforced concrete pouring structures, thereby ensuring the rigidity of the cable trench.

The contact surface between the side surface and the bottom surface of the groove cover plate is provided with a step 3-1, and the top end of the side plate is provided with a protrusion 1-1, and the protrusion 1-1 is clamped in the step. Therefore, the positioning and fixing of the side plate and the groove cover plate are realized.

In the utility model, the side plate and the bottom plate are integrated design. It is ensured that it will not be deformed during transportation, thereby ensuring the normal installation of the groove body.

Claims (5)

1. An assembled cable pit which characterized in that: the device comprises a plurality of groove units which are connected in sequence; the groove unit is U-shaped and comprises a groove body and a groove cover plate arranged at the top of the groove body; the groove body comprises a bottom plate and side plates respectively arranged on two sides of a top plate of the bottom plate; the bottom plates of the adjacent groove units are connected through mortise and tenon joints.

2. The assembled cable trench according to claim 1, wherein the mortise and tenon joint comprises a bottom plate connecting tenon and a bottom plate connecting mortise, the bottom plate connecting tenon and the bottom plate connecting mortise are respectively arranged on the bottom plate and the side plate, and the bottom plate connecting tenon and the bottom plate connecting mortise are oppositely arranged on the same trench unit.

3. The fabricated cable trench of claim 1, wherein a service ring is disposed at a top end of the trench cover.

4. The fabricated cable trench according to any one of claims 1 to 3, wherein the bottom plate, the side plates and the cover plate are reinforced concrete cast structures.

5. The assembled cable trench of claim 4, wherein a step is formed on a contact surface between the side surface and the bottom surface of the trench cover plate, and a protrusion is formed at the top end of the side plate and is clamped in the step.

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