CN210273415U - Cable hole plugging device - Google Patents

Abstract

In order to solve the problems of large cable hole gap, water leakage, complex construction and the like, the utility model provides a cable hole plugging device, which comprises a sleeve pre-embedded in a wall body and a sealing device connected inside the sleeve, wherein the sleeve is a cylindrical shell with openings at two ends, a baffle plate vertical to the axis of the sleeve is fixedly connected to the inner surface of the sleeve, a plurality of support columns are fixedly connected to the outer side of the outer surface of the sleeve, and the support columns are parallel to the axis of the sleeve in the length direction; the sealing device mainly comprises a rubber frame, multilayer water-stop sealing cotton with variable inner diameter and a front pressing piece, wherein the rubber frame and the multilayer water-stop sealing cotton are both cylindrical shells, the multilayer water-stop sealing cotton is coaxially and fixedly connected to the inner surface of the rubber frame, the front pressing piece is of a circular ring structure, the front pressing piece is coaxially and fixedly connected to the end part of the rubber frame, and the outer diameter of the front pressing piece is larger than that of the rubber frame.

Description

Cable hole plugging device

Technical Field

The utility model relates to a cable hole plugging device technical field, in particular to cable hole plugging device.

Background

The power grid load is frequently innovative, and the standby transformer substation is continuously put into operation at intervals, so that the cable half-layer and the cable trench are frequently reconstructed and constructed. The existing mode needs to destroy the original firewall during each construction, and the following adverse effects are generated:

(1) plugging is needed again after each construction is finished, so that manpower, financial resources and material resources are wasted, and the project progress is delayed;

(2) plugging processes used in subsequent construction are uneven, and in high-temperature weather in summer, the fireproof mud is softened and melted, so that the fireproof performance is reduced;

(3) the conventional cement pouring sealing mode causes gaps between the cables and the wall body, the gaps are difficult to perceive during engineering acceptance, but in a flood season, the fire-proof wall often has an obvious leakage phenomenon, cement is easy to collapse along with erosion of rainwater, and the gaps are further enlarged.

Disclosure of Invention

In order to solve the problem, the utility model provides a cable hole plugging device, the technical scheme of adoption as follows:

a cable hole plugging device is characterized by comprising a sleeve pre-buried in a wall body and a sealing device connected to the interior of the sleeve, wherein the sleeve is a cylindrical shell with openings at two ends; the sealing device mainly comprises a rubber frame, multilayer water-stop sealing cotton with variable inner diameter and a front pressing piece, wherein the rubber frame and the multilayer water-stop sealing cotton are both cylindrical shells, the multilayer water-stop sealing cotton is coaxially and fixedly connected to the inner surface of the rubber frame, the front pressing piece is of a circular ring structure, the front pressing piece is coaxially and fixedly connected to the end part of the rubber frame, and the outer diameter of the front pressing piece is larger than that of the rubber frame.

Preferably, sealing device comprises two semicircle column casings, and is concrete, rubber frame and multilayer stagnant water sealing cotton are semicircle shell structure, leading holding down piece is the semicircle annular structure of coaxial fixed connection in rubber frame tip outer fringe.

Preferably, the baffle is located in the middle of the sleeve in the length direction.

Preferably, the length of the sleeve is the same as the thickness of the cement wall, and the supporting columns are located inside the cement wall.

Preferably, the front pressing piece is fixedly connected to the outer end part of the rubber frame through a fastening bolt.

The beneficial effects of the utility model reside in that:

1. the sleeve is directly embedded in the cement wall, when the cable needs to pass through, the baffle is directly punched, and the sealing device is installed, so that the subsequent construction difficulty is reduced, and the construction efficiency is improved;

2. the cables are sealed by the multilayer water-stop sealing cotton, so that the size of the through hole can be adjusted according to different types and sizes of cables, and the application range is wide;

3. under the condition that no cable is installed, the baffle does not need to be opened, so that the plugging level of a cable hole can be effectively improved, the problem of seeper in the flood season of an indoor cable half layer and a cable trench is solved, operation and maintenance personnel do not need to frequently arrive at a station to install a water pump to pump water, the hidden danger of leakage water does not need to be frequently counted and investigated, and the targeted repair and maintenance work of a construction team is reduced.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is a schematic view of a sleeve structure

FIG. 3 is a schematic view of the sealing device

FIG. 4 is a right side view of the sealing device

FIG. 5 is a sectional view taken along line A-A

In the figure, 1-sleeve, 2-baffle, 3-support column, 4-sealing device, 5-rubber frame, 6-multilayer water-stop sealing cotton, 7-front pressing sheet, 8-fastening bolt, 9-cable and 10-rear pressing sheet.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-5, the cable hole plugging device mainly comprises a sleeve 1 and a sealing device 4, the sleeve 1 is a cylindrical shell structure, a baffle 2 is fixedly connected to the middle of the inner surface of the sleeve 1, four support columns 3 which are horizontally distributed towards the right side are fixedly connected to the part, extending out of the sleeve 1, of the baffle 2, the sealing device 4 is arranged at the right part of the sleeve 1, and a certain distance is reserved between the support columns 3 and the right end of the sleeve 1.

As shown in fig. 3-5, the sealing device 4 has a cylindrical shell structure, which is composed of two semicircular shells, specifically, each semicircular shell is composed of a rubber frame 5, a plurality of layers of water-stop sealing cotton 6 and a front pressing sheet 7, the rubber frame 5, multilayer stagnant water sealed cotton 6 all is semi-circular shell, 6 coaxial fixed connection in 5 internal surfaces of rubber frame of multilayer stagnant water sealed cotton 6 comprises the sealed cotton that a plurality of layers can be torn, leading compact disc 7 semicircular platelike structure, leading compact disc 7 passes through 8 coaxial fixed connection in 5 right-hand members of rubber frame of fastening bolt, be equipped with a plurality of through-hole on the specific leading compact disc 7, be equipped with the screw hole of the through-hole one-to-one on a plurality of and the leading compact disc 7 on the rubber frame 5, in addition, leading compact disc 7 external diameter big with 5 of rubber frame's external diameter.

Sleeve 1 in this embodiment, baffle 2 and support column 3 integrated into one piece, and the length of sleeve 1 is the same with the thickness of cement wall, both ends are located the both sides face of cement wall respectively about sleeve 1 promptly, sleeve 1, baffle 2, support column 3 is all pre-buried inside the cement wall, sleeve 1 can be strengthened to support column 3 and the 2 parts of baffle that stretch out the sleeve 1 outside in the inside steadiness of cement wall, in the normal work progress, sleeve 1, baffle 2 and support column 3 are fixed through concrete placement.

When the cable 9 is installed, the baffle 2 positioned in the sleeve 1 is firstly opened at the position where the cable 9 passes through, then the diameter of the multilayer water-stop sealing cotton 6 in the sealing device 4 is set according to the diameter of the cable 9, so that the diameter of the multilayer water-stop sealing cotton 6 is slightly larger than the diameter of the cable 9, then the cable 9 is put into the through hole of the sealing device 4, the sealing device 4 is put into the sleeve 1, the front pressing sheet 7 is lapped on the wall body and the right end part of the sleeve 1, then the fastening bolt 8 on the front pressing sheet 7 is screwed continuously, in the process of screwing the fastening bolt 8, the rubber frame 5 shortens in the length direction after being extruded, the diameter formed by the plurality of layers of water stop sealing cotton 6 in the radial direction is reduced, the rubber frame 5 and the plurality of layers of water stop sealing cotton 6 tightly press the cable 9, and the installation of the cable 9 is completed.

The mode that resumes after destruction earlier of tradition, need accompany the construction and go on, not only waste people, wealth, the thing, still delay the construction acceptance progress, after using the device of this application, constructor can carry out the device installation in earlier stage at any time, reserve sufficient hole site through once being under construction, meet cable work in future and can directly utilize and reserve the hole site, alleviate the repeated construction degree of difficulty from now on, the efficiency of construction is improved, in the in-service use, demolish before having reduced the construction and prevent two steps of hot wall and the construction after heavy construction, the cost of constructing hot wall after having got rid of at every turn construction has been avoided, people have significantly reduced, wealth, the thing demand.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (4)

1. A cable hole plugging device is characterized by comprising a sleeve pre-buried in a wall body and a sealing device connected to the interior of the sleeve, wherein the sleeve is a cylindrical shell with openings at two ends; the sealing device mainly comprises a rubber frame, multilayer water stop sealing cotton with variable inner diameter, a front pressing piece and a rear pressing piece, wherein the rubber frame and the multilayer water stop sealing cotton are cylindrical shells, the multilayer water stop sealing cotton is coaxially and fixedly connected to the inner surface of the rubber frame, the front pressing piece and the rear pressing piece are of circular ring structures, the front pressing piece and the rear pressing piece are respectively and coaxially and fixedly connected to the inner end part and the outer end part of the rubber frame, the outer diameter of the front pressing piece is larger than that of the rubber frame, and the front pressing piece is fixedly connected with the outer end part of the rubber frame through a fastening bolt.

2. The cable hole plugging device according to claim 1, wherein said sealing device is composed of two semi-cylindrical shells, specifically, said rubber frame and multi-layer water-stop sealing cotton are both semi-cylindrical shell structures, and said front compressing plate and rear compressing plate are both semi-annular plate structures coaxially and fixedly connected to two ends of the rubber frame.

3. The cable hole plugging device according to claim 1 or 2, wherein the baffle is located in the middle of the sleeve in the length direction, the baffle extends out of the outer surface of the sleeve by a certain length, the support columns are fixedly connected to the baffle, and the length directions of the support columns are distributed in the direction of the front pressing piece.

4. The cable hole plugging device of claim 3, wherein said sleeve has a length equal to the thickness of the cement wall, and said support column is located inside the cement wall.

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