CN221321048U - Prevent ponding buried cable intermediate head well - Google Patents

Abstract

The utility model provides an anti-ponding buried cable intermediate joint well. The utility model relates to a water accumulation preventing direct-buried cable intermediate joint well which comprises a joint well body, wherein a concrete ring beam is arranged above the joint well body, a cable well top cover is covered on the concrete ring beam, the concrete ring beam and the cable well top cover are sealed by cement mortar, galvanized steel pipes for the entry and exit of a direct-buried cable and a direct-buried communication cable are respectively arranged on the well walls at two ends of the joint well body, a cable support is arranged on the well wall at one side of the joint well body, an embedded part is reserved in the well wall of the joint well body by the cable support, and a drain pipe is arranged at the bottom of the well wall at the other side of the joint well body. The water accumulation preventing direct-buried cable middle joint well has the advantages of simple structure, low cost, convenient construction, water accumulation prevention, easy drainage and the like.

Description

Prevent ponding buried cable intermediate head well

Technical Field

The utility model relates to the technical field of power equipment for cable intermediate connectors, in particular to a water accumulation preventing buried cable intermediate connector well.

Background

With the continuous development of new energy sources such as photovoltaic and wind power and the like and the increasingly strict requirements on environmental protection, more new energy project current collecting circuits adopt a full-line cable or partial cable laying mode so as to reduce permanent land, reduce difficulty in handling land signs, reduce damage to vegetation and the like. Longer cable lines can relate to more intermediate joints, and if the intermediate joints are in a direct-buried mode, the intermediate joints are economical, but the problems of difficulty in finding fault points, the need of excavating operation when repairing the intermediate joints, poor repairing environment, difficulty in repairing and the like can be met when faults such as explosion of the intermediate joints occur. Meanwhile, the common cable intermediate connector well is easy to accumulate water and difficult to drain water, the cable intermediate connector is easy to soak, and the like, so that the fault probability is increased.

In view of this, the present utility model has been made.

Disclosure of utility model

The utility model aims to provide a water accumulation preventing direct buried cable intermediate joint well which has the advantages of simple structure, low cost, convenience in construction, water accumulation preventing, easiness in drainage and the like.

The utility model provides an anti-ponding direct-buried cable intermediate joint well which comprises a joint well body, wherein a concrete ring beam is arranged above the joint well body, a cable well top cover is covered on the concrete ring beam, the concrete ring beam and the cable well top cover are sealed through cement mortar, galvanized steel pipes for entering and exiting of a direct-buried cable and a direct-buried communication cable are respectively arranged on well walls at two ends of the joint well body, a cable support is arranged on one side of the well wall of the joint well body, an embedded part is reserved in the well wall of the joint well body by the cable support, and a drain pipe is arranged at the bottom of the other side of the well wall of the joint well body.

Further, the joint well body is of a brick masonry structure, and waterproof cement mortar is arranged on the inner side and the outer side of a wall body of the brick masonry structure.

Further, a concrete cushion layer is arranged below the joint well body, and the concrete cushion layer extends outwards by 80-120mm from the periphery of the joint well body.

Further, the bottom surface of the bottom of the well body of the joint well is provided with a water-dispersing gradient.

Further, the galvanized steel pipe includes two first galvanized steel pipes that are horizontally and alternately arranged, and a second galvanized steel pipe is provided between the two first galvanized steel pipes.

Further, two layers of cable and optical cable supports are arranged on a side wall of the well body of the joint well along the height direction, and each layer of cable and optical cable support comprises two cable and optical cable supports which are horizontally arranged at intervals.

Further, the inner side and the outer side of the concrete ring beam are respectively provided with a reinforcement protection layer.

Further, the sealed cable well top cover is in a trapezoid shape with smooth edges.

Further, the cable well top cover is a reinforcement top cover.

Further, a hand ring is arranged on the cable well top cover.

The water accumulation preventing buried cable intermediate joint well is simple in structure, low in cost, convenient to construct and good in waterproof and drainage effects, the difficulty of the cable intermediate joint in failure can be solved, and on-site operation results show that the water accumulation preventing buried cable intermediate joint well has effectiveness and reliability.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a plan view of an embodiment of a water logging resistant buried cable intermediate joint well;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view of B-B of FIG. 1;

FIG. 4 is a plan view of a cable well roof;

FIG. 5 is a cross-sectional view of C-C of FIG. 4;

FIG. 6 is a schematic structural view of a cable support embedment;

Fig. 7 is a schematic view of a cable well roof hand ring.

Reference numerals illustrate:

1: a joint well body; 2: a cable and cable support; 3: a first galvanized steel pipe; 4: a second galvanized steel pipe; 5: a drain pipe; 6: cement mortar; 7: a cable well top cover; 8: an embedded part; 9: a concrete ring beam; 10: a concrete cushion layer; 11: a hand ring.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms also include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 7, the water accumulation preventing direct buried cable intermediate joint well of the present embodiment includes a joint well body 1, a concrete ring beam 9 is provided above the joint well body 1, a cable well top cover 7 is provided on the concrete ring beam 9, the concrete ring beam 9 and the cable well top cover 7 are sealed by cement mortar 6, galvanized steel pipes for the entry and exit of a direct buried cable and a direct buried communication cable are respectively provided on two end well walls of the joint well body 1, a cable support 2 is provided on one side well wall of the joint well body 1, an embedded part 8 is reserved in the well wall of the joint well body 1 by the cable support 2, and a drain pipe 5 is provided at the bottom of the other side well wall of the joint well body 1.

Referring to fig. 1 and 2, the joint well body 1 may be a brickwork structure; the size of the brick masonry structure is not strictly limited, and the brick masonry structure can be reasonably arranged according to actual needs, for example, the length of the well body is 2000mm, and the wall thickness is 200mm; the internal width of the well body is 900mm, and the wall thickness is 240mm; the height in the well body is 800mm, and the thickness of the bottom is 200mm. The brick masonry structure can adopt MU10 sintered common bricks and M10 cement mortar; the inside and the outside of the wall body of the brick masonry structure are both provided with waterproof cement mortar which can be 20mm thick 1:3 waterproof cement mortar.

As shown in fig. 2 and 3, a concrete cushion layer 10 is arranged below the joint well body 1, and the concrete cushion layer 10 extends outwards by 80-120mm from the periphery of the joint well body 1; specifically, after the excavation of the joint well body 1 is completed, a C15 concrete cushion layer having a thickness of 100mm and each side exceeding the well body range of 100mm may be poured at the bottom of the joint well body 1.

In addition, the bottom surface of the bottom of the joint well body 1 is provided with a water-dispersing gradient; specifically, when the bottom plate of the joint well body 1 is built, a water-dispersing gradient from the high elevation to the bottom elevation can be set to facilitate water drainage, and meanwhile, a drain pipe 5 made of PVC material with the diameter of 50mm is arranged at the bottom elevation of the well bottom to be led to the lower side of the nearby slope so as to prevent water accumulation in the joint well body 1 and facilitate water drainage.

A concrete ring beam 9 is arranged above the joint well body 1; specifically, after the brickwork structure of the joint well body 1 is built, the elevation of the brickwork structure is required to be 50mm below the ground, a C30 concrete ring beam 200mm higher than the ground and 240mm thick is poured above the brickwork structure, HPB300 and HRB400 steel bars can be arranged in the concrete ring beam 9, steel bar protection layers are respectively arranged on the inner side and the outer side of the concrete ring beam 9, the thickness of the steel bar protection layer on the inner side is 25mm, and the thickness of the steel bar protection layer on the outer side is 35mm.

Between the top of the concrete collar beam 9 and the cable shaft top cover 7, 1:2 cement mortar is sealed, and after the sealing is finished, the whole cable well top cover 7 is in a trapezoid shape with smooth edges so as to prevent rainwater, ground water and the like from being poured into the joint well body 1.

The galvanized steel pipe comprises two first galvanized steel pipes 3 which are horizontally arranged at intervals, and a second galvanized steel pipe 4 is arranged between the two first galvanized steel pipes 3; specifically, the first galvanized steel pipe 3 may be a galvanized steel pipe having a Φ200mm length l=500 mm, and the second galvanized steel pipe 4 may be a galvanized steel pipe having a Φ32mm length l=500 mm, and the elevation of the center of each galvanized steel pipe to the bottom of the well is 200mm. The four first galvanized steel pipes 3 and the two second galvanized steel pipes 4 are mainly used for entering and exiting of direct-buried cables and direct-buried communication optical cables, and are sealed by fireproof plugs after the cables and the optical cables are laid.

Two layers of cable and optical cable brackets are arranged on a side wall of the joint well body 1 along the height direction, and each layer of cable and optical cable bracket comprises two cable and optical cable brackets 2 which are horizontally arranged at intervals, so that the cable is convenient to install and fix; specifically, the cable support 2 may use angle steel with a specification of 45×5, where the angle steel length l=350mm, and the space between two layers of cable supports may be 350mm.

Referring to fig. 4 and 5, the cable well top cover 7 is a reinforcement top cover; specifically, the cable well top cover 7 can adopt a reinforcement top cover with the specification of 1100mm×550mm, the thickness of the cable well top cover 7 can be 100mm, the specification of the reinforcement in the cable well top cover 7 can be phi 12mm×200mm, and after the cable well top cover 7 is covered, C20 fine stone concrete pouring seams can be adopted to prevent rainwater and the like from being poured into the joint well body 1.

Referring to fig. 6, the cable and optical cable support 2 reserves an embedded part 8 in the well wall, and the embedded part 8 can be made of steel bars with the length of l=250 mm and the length of Φ8mm and welded on a steel plate with the size of 6mm×60 mm.

In addition, as shown in fig. 7, a portable ring 11 is arranged on the cable well top cover 7, the portable ring 11 can be made of reinforcing steel bars with the diameter of 10mm and is embedded in the cable well top cover 7, and a part with the size of 50mm multiplied by 100mm can be exposed during embedding, so that the overhaul, the maintenance and the operation of a cable intermediate joint in the later stage are facilitated.

The ponding direct-buried cable intermediate joint well is provided with a concrete ring beam 9, a cable well top cover 7 is arranged on the concrete ring beam 9, the concrete ring beam 9 and the cable well top cover 7 are sealed through cement mortar 6, a drain pipe 5 is arranged at the bottom of a well wall of the joint well body 1, the ponding direct-buried cable intermediate joint well is simple in structure, low in cost, convenient to construct and good in waterproof and drainage effects, difficulty in the case that a cable intermediate joint encounters a fault can be solved, and on-site operation results show that the ponding direct-buried cable intermediate joint well has effectiveness and reliability.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The utility model provides a prevent ponding buried cable intermediate junction well, a serial communication port, including the joint well body, be equipped with the concrete collar roof beam in the top of the joint well body, be equipped with cable well top cap at the concrete collar roof beam upper cover, the concrete collar roof beam passes through cement mortar with cable well top cap and seals, be equipped with the galvanized steel pipe that is used for buried cable and direct-buried communication cable to go into and go out respectively on the both ends wall of the joint well body, be equipped with cable support on the wall of one side of the joint well body, cable support reserves the built-in fitting in the wall of the joint well body, be equipped with the drain pipe in the opposite side wall bottom of the wall of the joint well body.

2. The water accumulation preventing buried cable intermediate joint well according to claim 1, wherein the joint well body is a brickwork structure, and waterproof cement mortar is arranged on the inner side and the outer side of a wall body of the brickwork structure.

3. The water logging resistant buried cable intermediate joint well of claim 1, wherein a concrete pad is provided below the joint well body, the concrete pad extending outwardly from the periphery of the joint well body by 80-120mm.

4. The water logging prevention buried cable intermediate joint well of claim 1, wherein a water dispersion gradient is provided at a bottom surface of a well bottom of the joint well body.

5. The water logging resistant buried cable intermediate joint well of claim 1, wherein the galvanized steel pipe comprises two first galvanized steel pipes horizontally and spaced apart with a second galvanized steel pipe disposed therebetween.

6. The water logging resistant buried cable intermediate joint well of claim 1, wherein two layers of cable support are disposed in a height direction on a side wall of the joint well body, each layer of cable support including two cable support disposed horizontally and at intervals.

7. The water logging resistant buried cable intermediate joint well of claim 1, wherein a protective layer of rebar is provided on the inside and outside of the concrete collar beam, respectively.

8. The water logging resistant buried cable intermediate joint well of claim 1, wherein the sealed cable well cover is trapezoidal in shape with smooth edges.

9. The water logging resistant buried cable intermediate joint well of claim 1, wherein the cable well roof is a reinforced roof.

10. The water logging resistant buried cable intermediate joint well of claim 1, wherein a hand ring is provided on the cable well top cover.