CN211351649U

CN211351649U - Three-proofing plugging device for cable duct of transformer substation

Info

Publication number: CN211351649U
Application number: CN201922269328.4U
Authority: CN
Inventors: 孙章平
Original assignee: Guizhou Wanfeng Electric Power Co ltd
Current assignee: Guizhou Wanfeng Electric Power Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-25
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a three proofings plugging device of transformer substation's cable pit, which comprises a bracket and a baffle, the utility model discloses a carry out the shutoff to the cable pit through the foaming concrete, reserve the pipe is reserved with the secondary cable of the first and second shutoff of corresponding size simultaneously, can prevent effectively that moisture from getting into the high tension switchgear, can improve transformer substation's cubical switchboard and prevent electricity or inside short circuit fault because of the frequent emergence switch that wets, can prevent that the toy from destroying prevents that hot wall entering high tension switchgear from causing the switch short circuit, can solve new cable need destroy the problem of preventing hot wall from now on, practice thrift the cost that power supply enterprise's equipment overhauld and change equipment simultaneously.

Description

Three-proofing plugging device for cable duct of transformer substation

Technical Field

The utility model relates to an electric power installation appurtenance field, in particular to cable pit three proofings plugging device of transformer substation.

Background

The air in Guizhou belongs to high temperature and high humidity, and has more rainwater. The water in the off-site cable trench is changed into high-humidity air to enter the cable trench of the high-voltage chamber in the burning sun after raining. According to the principle of a chimney, high-humidity air in the cable trench enters the switch cabinet. When the high-humidity air meets the cold metal switch equipment, water is condensed to cause the equipment to mildew, the insulation and the aging, and even the switch is prevented from being burnt out by an electric short circuit. The dampproofing shutoff of transformer substation hyperbaric chamber mainly has at present: the first is to adopt fire-proof package and fire-proof plate to prevent fire and organically block off the mud shutoff, and the main problem that exists is that the mouse eats organic block off mud, and the shutoff is destroyed by the mouse easily, and secondly, the gap that the block off mud is difficult to the intensive place of shutoff cable. And the second method adopts macromolecule AB plugging material to pour and foam for plugging, and has the advantages that liquid permeates cable gaps, the foaming is expanded, the plugging is effective, the existing problems are that destructive punching and pipe penetration are needed when cables are newly added, the cost is high, and the plugging cost of a 110kV transformer substation is about 30 ten thousand yuan.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a three proofings plugging device of transformer substation's cable pit. Can effectively prevent fires and cut off, get into the high-voltage chamber after preventing that the toy from destroying and destroy the cable or cause the primary equipment short circuit, prevent that humid air from getting into the high-voltage switch room, the cable increase in the later stage of being convenient for simultaneously.

The utility model aims at realizing through the following technical scheme:

the three-proofing plugging device for the cable trench of the transformer substation comprises a support and a baffle, wherein the support comprises a plurality of support rods, a plurality of bolt holes I are uniformly formed in the support rods, and the support rods are fixedly connected in a horizontal, horizontal and vertical mode through bolts to form a support with a plurality of square gaps; the periphery of the baffle is provided with bolt holes II corresponding to the bolt holes I at the periphery of the square gap, and part of the baffle is provided with holes for penetrating the primary and secondary cable reserved pipes with two ends plugged.

In particular, the size of the baffle corresponds to the size of the square void.

Particularly, the support rod is an aluminum rod, and the baffle is an aluminum baffle.

In particular, the baffle is a square baffle with a side length of 5-20 cm.

In particular, the occluder further comprises a vibrator for vibrating proximate to the baffle.

The utility model has the advantages that: the utility model discloses a carry out the shutoff through the foaming concrete to the cable pit, reserve simultaneously the pipe is reserved to one time and the secondary cable of the shutoff of two of corresponding size, can prevent effectively that moisture from getting into the high tension switchgear, can improve the transformer substation cubical switchboard and prevent electricity or internal short circuit trouble because of the frequent emergence switch that wets, can prevent that the toy from destroying and prevent that hot wall entering high tension switchgear from causing the switch short circuit, can solve new-increased cable from now on and need destroy the problem of preventing hot wall, practice thrift the cost that power supply enterprise's equipment overhauld and change equipment simultaneously.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:

fig. 1 is a schematic view of the installation of the present invention;

FIG. 2 is a schematic structural view of a stent;

fig. 3 is a schematic structural view of the baffle.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "length", "circumferential", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The utility model discloses a three-proofing plugging device for cable ducts of transformer substations, which comprises a bracket and a baffle, wherein the baffle is provided with a plurality of reserved cable pipe jacks, the structure of the bracket is shown in figure 2, and the structure of the baffle is shown in figure 3; the support comprises a plurality of support rods 1, a plurality of bolt holes I2 are uniformly formed in the support rods, and the support rods are fixedly connected horizontally, flatly and vertically through bolts to form a support with a plurality of square gaps 3; in this embodiment, the size of baffle 4 is unanimous with square space's size, is provided with the bolt hole II 5 that corresponds square space bolt hole I all around the baffle, is provided with the trompil that is used for penetrating the once of two shutoff and the secondary cable reservation pipe on the part baffle. In this embodiment, the cradling piece is the aluminium pole, and the baffle is 10cm aluminium system baffles on a side. Certainly, in practical application, in order to process and save raw materials, the baffle plates 4 with different sizes can be designed according to the size of the square hole, so that a square baffle plate does not need to be added according to each square hole, and the time-saving and labor-saving effects can be achieved.

As a further improvement, the plugging device of the present invention further comprises a vibrator for vibrating the baffle plate.

As shown in fig. 1, the utility model discloses during the use, the support is pieced together to the cradling piece of different specifications according to the site conditions selection, then once as required and the quantity of secondary cable preformed hole install different baffles in the different positions of support, correspond through support and baffle around the gallery and install after well, then pour into the foaming concrete again to carry out the interim shutoff of baffle and cable, baffle and wall body, prevent that the foaming concrete from leaking. In order to make the gap between the cable that the foaming concrete permeates better, increase the joint strength each other, the utility model discloses use the electromagnetic shaker to carry out appropriate vibration on the baffle face after the foaming concrete pours into.

The foamed concrete has the characteristics of being capable of penetrating cable gaps, preventing fire, preserving heat and preventing small animals from being damaged. The reserved cable tubes are divided into primary cable tubes and secondary cable tubes, and plugs are arranged at two ends of each cable tube. The cable preformed pipe with the proper size is selected according to the load capacity of the switch cabinet, the cable preformed pipe is tightly plugged by a special plug when not used, the cable pipe plug is opened when a cable is newly added, the cable can pass through the cable pipe when passing through the cable pipe, and meanwhile, the gap of the cable pipe is plugged by glass cement.

This technical scheme economical and practical can improve the transformer substation's cubical switchboard and prevent the situation of electricity or internal short circuit trouble, toy short circuit because of the frequent switch that takes place wets for the power supply reliability obtains further improvement, practices thrift the cost that power supply enterprise's equipment overhauld and change equipment.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. Three proofings plugging device of transformer substation's cable pit, its characterized in that: the plugging device comprises a support and a baffle, the support comprises a plurality of support rods, a plurality of bolt holes I are uniformly formed in the support rods, and the support rods are fixedly connected horizontally and vertically through bolts to form a support with a plurality of square gaps; the periphery of the baffle is provided with bolt holes II corresponding to the bolt holes I at the periphery of the square gap, and part of the baffle is provided with holes for penetrating the primary and secondary cable reserved pipes with two ends plugged.

2. The three-proofing plugging device for the cable trench of the transformer substation according to claim 1, wherein: the support rod is an aluminum rod, and the baffle is an aluminum baffle.

3. The three-proofing plugging device for the cable trench of the transformer substation according to claim 1, wherein: the baffle is a square baffle with the side length of 5-20 cm.

4. The three-proofing plugging device for the cable trench of the transformer substation according to claim 1, wherein: the occluder further comprises a vibrator for vibrating close to the baffle.

5. The three-proofing plugging device for the cable trench of the transformer substation according to claim 1, wherein: the size of the baffle is consistent with that of the square gap.