CN211556838U

CN211556838U - Electrical wiring insulation protection device for power plant

Info

Publication number: CN211556838U
Application number: CN202020576803.2U
Authority: CN
Inventors: 李诗峰; 高静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-09-22
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses an electric wiring insulation protection device for power plant, including two at least butt joint covers, the cover is equipped with the outer insulating cover on the butt joint cover, the built-in connecting pipe that is equipped with of outer insulating cover, and the clamping piece has been installed to a port annular equipartition of connecting pipe, and the connection piece has evenly been installed to the both ends mouth annular of outer insulating cover, is equipped with the perforation on the connection piece, and it has the screw to alternate in the perforation, and the position that the butt joint sheathes in, corresponds each clamping piece is equipped with the screw hole, screw threaded connection screw hole, the built-in butt joint pipe that is equipped with of. When the butt joint sleeve is sleeved in the butt joint pipe, the butt joint sleeve can be ensured not to be dislocated in mutual butt joint, the limit of the butt joint pipe and the limit of the butt joint pipe after the butt joint are more stable, the screw abuts against and presses the clamping piece, when the clamping piece is pressed on the cable sheath, the soft piece is used for limiting the movement of the wiring insulation protection device on the cable, and the wiring insulation protection device is better in fixation when being installed on the cable.

Description

Electrical wiring insulation protection device for power plant

Technical Field

The utility model belongs to the technical field of the wiring is insulating, concretely relates to power plant is with electric wiring insulation protection device.

Background

Power plants are plants that convert natural resources directly into electrical energy, such as thermal power plants, wind power plants, tidal power plants, and nuclear power plants.

The transmission of electricity trunk way of power plant adopts thicker armoured cable to lay to constitute more, if need when two cable butt joints, need be with sinle silk interconnect in the cable, thick cable adopts the butt joint of dispersion handing-over method at present, after the butt joint, expose the department with the sinle silk with insulating adhesive tape and closely bind, install wiring insulation protection device in insulating adhesive tape department at last, be used for avoiding insulating adhesive tape to be destroyed, current wiring insulation protection device, the main part comprises two conical duct, the material of conical duct is polytetrafluoroethylene, the rubber ring has been installed to the port inner wall of conical duct, before the sinle silk butt joint, embolia the cable respectively with two conical duct earlier, when the sinle silk butt joint binds insulating adhesive tape, laminate the conical duct again, through rubber ring and cable crust friction fit, restriction conical duct removes, the weak point that exists has: when arranging the cable and dragging the cable, the tapered pipes easily cause two joints to separate from each other, and the insulation protection effect is lost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric wiring insulation protection device is used in power plant to the problem that the installation that exists among the solution prior art is not good at the cable on the solidity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric wiring insulation protection device for power plant, includes two at least butt joint covers, the cover is equipped with outer insulation cover on the butt joint cover, the built-in connecting pipe that is equipped with of outer insulation cover, the clamping piece has been installed to a port annular equipartition of connecting pipe, the connection piece has evenly been installed to outer insulation cover's both ends mouth annular, be equipped with the perforation on the connection piece, it has the screw to alternate in the perforation, the position that upper and lower corresponds each clamping piece of butt joint cover is equipped with the screw hole, screw threaded connection screw hole.

Preferably, the outer insulating sleeve is internally provided with a butt joint pipe, the butt joint sleeve is sleeved into the butt joint pipe, and the butt joint pipe is of a circular pipe structure with an outer circular ring arranged on the middle side.

Preferably, the connecting pipe is of a circular pipe structure.

Preferably, the clamping piece is provided with a soft piece which is of a square piece structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an electric wiring insulation protection device is used in power plant, when butt joint cover income butt joint pipe, can ensure that butt joint cover mutual butt joint can not misplace, and receive the spacing more stable of external insulation cover and butt joint pipe after the butt joint, the screw is supported and is pressed the clamping piece, when the clamping piece compresses tightly on the sheath of cable, through the frictional resistance of soft piece to the cable, restriction wiring insulation protection device removes on the cable, the solidity is better on installing the cable, solve the problem that the installation that exists among the prior art is not good at the solidity on the cable.

The utility model provides an electric wiring insulation protection device is used in power plant through butt joint cover and outer insulating cover, can carry out isolation protection to the sinle silk of binding insulating tape.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a partially cut-away front view of the present invention;

FIG. 3 is a schematic view of the utility model taken from the left side along the longitudinal direction at the position A-A;

fig. 4 is a schematic diagram of the left view of the vertical section at the position B-B of the present invention.

In the figure: 1 butt joint cover, 2 outer insulation cover, 3 butt joint pipes, 4 connecting pipes, 5 clamping pieces, 6 soft pieces, 7 connecting pieces, 8 through holes, 9 screws and 10 threaded holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3 and 4, an electrical wiring insulation protection device for a power plant comprises two butt sleeves 1, wherein the butt sleeves 1 are made of polytetrafluoroethylene, the butt sleeves 1 are sleeved with outer insulation sleeves 2, the outer insulation sleeves 2 are made of polytetrafluoroethylene, the butt sleeves 1 and the outer insulation sleeves 2 have the characteristics of high strength and good insulation, a butt pipe 3 is arranged on the inner side of the inner wall of the outer insulation sleeve 2, the outer insulation sleeves 2 and the butt pipe 3 are integrally molded, the butt sleeves 1 are sleeved with the butt pipes 3, the outer wall of the butt sleeves 1 is in sliding contact with the inner wall of the outer insulation sleeves 2, the inner wall of the butt sleeves 1 is in sliding contact with the outer wall of the butt pipe 3, inner corresponding ports of the butt sleeves 1 are in sliding contact with a middle circular ring of the butt pipe 3, when the butt sleeves 1 are sleeved with the butt pipe 3, the butt sleeves 1 can be ensured not to be in dislocation, and a limit of the outer insulation sleeves 2 and the butt pipe 3 after butt joint is more stable, the butt joint pipe 3 is a circular pipe structure with an outer circular ring at the middle side, the inner wall of the outer insulating sleeve 2 is uniformly coated with resin glue at the outer corresponding side, the outer wall of the connecting pipe 4 is bonded through the resin glue, the connecting pipe 4 is a circular pipe structure, clamping pieces 5 are uniformly distributed at the outer corresponding end of the connecting pipe 4 in an annular shape, the connecting pipe 4 and the clamping pieces 5 are fusion-cast integrated pieces, the material is tungsten-vanadium alloy, the thickness is 0.7 mm, the clamping pieces 5 have good bending recovery performance, the inner corresponding end of the clamping pieces 5 is uniformly coated with the resin glue and is bonded with soft pieces 6 through the resin glue, the material of the soft pieces 6 is chloroprene rubber, the thickness is 1 mm, the texture is soft, when the clamping pieces 5 are tightly pressed on the cable sheath, the movement of the wiring insulating protection device on the cable is limited through the friction resistance of the soft pieces 6 to the cable, and the soft pieces 6 are contacted with the cable sheath, when, the soft sheet 6 is a square sheet structure.

Referring to fig. 1, 2 and 4, the connection piece 7 is uniformly installed on the left and right end openings of the outer insulation sleeve 2 in an annular shape, the outer insulation sleeve 2 and the connection piece 7 are an injection molding integrated piece, the connection piece 7 is provided with a through hole 8, the through hole 8 is of a circular hole structure, a screw 9 is inserted into the through hole 8, the inner wall of the through hole 8 is in sliding contact with the screw 9, a threaded hole 10 is formed in the butt joint sleeve 1 corresponding to each clamping piece 5, the screw 9 is in threaded connection with the threaded hole 10, and when the screw 9 is inserted into the through hole 8 and is in threaded connection with the threaded hole 10, the butt joint sleeve 1 and the outer insulation.

When the splicing sleeve 1 and the external insulating sleeve 2 are in a separated state, the splicing sleeve 1 is respectively sleeved into two cables to be spliced, then the external insulating sleeve 2 is sleeved into one of the cables, after the connection of the cable cores is finished and the insulating adhesive tapes are bound, the splicing sleeves 1 on two sides are sleeved into the splicing pipe 3, the external insulating sleeve 2 is rotated until the through hole 8 corresponds to the threaded hole 10, the through hole 8 is inserted into the screw 9, the screw 9 is screwed into the threaded hole 10 by a screwdriver, the screw 9 is continuously rotated, the screw 9 is abutted against the clamping piece 5 until the soft piece 6 is tightly pressed on the sheath of the cable, when the splicing sleeve 1 is sleeved into the splicing pipe 3, the splicing sleeves 1 can be ensured not to be mutually spliced, the limit of the external insulating sleeve 2 and the splicing pipe 3 after the splicing is more stable, when the clamping piece 5 is tightly pressed on the sheath of the cable, the movement of the wiring insulating protection device on the cable is limited by the friction resistance, and through the contact of soft piece 6 with the cable crust, when the clamping piece 5 supported the pressure cable, can soft protection cable crust, through to adapter sleeve 1 and outer insulating sleeve 2, can keep apart the protection to the sinle silk of binding insulating tape, it is better to install the fastness on the cable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric wiring insulation protection device for power plant, includes two at least docking sleeve (1), its characterized in that: the butt joint cover is equipped with outer insulating cover (2) on (1), the built-in connecting pipe (4) that is equipped with in outer insulating cover (2), clamping piece (5) have been installed to the annular equipartition of a port of connecting pipe (4), connection piece (7) have evenly been installed to the both ends mouth annular of outer insulating cover (2), be equipped with on connection piece (7) and perforate (8), it has screw (9) to perforate (8) interior alternate, the position of going up, corresponding each clamping piece (5) of butt joint cover (1) is equipped with screw hole (10), screw (9) threaded connection screw hole (10).

2. The electrical wiring insulation protection device for power plants according to claim 1, characterized in that: the butt joint pipe (3) is arranged in the outer insulating sleeve (2), the butt joint sleeve (1) is sleeved in the butt joint pipe (3), and the butt joint pipe (3) is of a circular pipe structure with an outer circular ring arranged on the middle side.

3. The electrical wiring insulation protection device for power plants according to claim 1, characterized in that: the connecting pipe (4) is of a circular pipe structure.

4. The electrical wiring insulation protection device for power plants according to claim 1, characterized in that: the soft piece (6) is arranged on the clamping piece (5), and the soft piece (6) is of a square piece structure.