CN217903906U

CN217903906U - Electric power cable protection tube

Info

Publication number: CN217903906U
Application number: CN202221744059.8U
Authority: CN
Inventors: 何柯; 白杨; 董石光
Original assignee: Jilin Novel Pipe Industry Co ltd
Current assignee: Jilin Novel Pipe Industry Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-11-25
Anticipated expiration: 2032-07-08

Abstract

The utility model provides a power cable protection tube. According to the technical scheme, a conventional inserting structure is abandoned, a more fastened clamping structure is constructed between adjacent segmented pipes, and an occupying ring is adopted to support the inside of a joint, so that the stability of the joint is improved. Specifically, the utility model discloses set up the lug on semicircular ring's terminal surface, have the through-hole on the lug, two semicircular ring pieces insert simultaneously to the same clearance portion of head side segmentation pipe, and the lug of two semicircular ring pieces is to closing each other, and the through-hole is to closing each other, the bolt run through the through-hole that closes each other and with nut fastening connection, have the jack catch at semicircular ring's tail end, the jack catch of two semicircular ring pieces is gone into simultaneously in the card goes into the ring groove of tail side segmentation pipe, and the occupation position ring is located one of them clearance portion of head side segmentation pipe, and the outer fringe laminating of occupation position ring is on the inner wall of the wide-mouth portion of tail side segmentation pipe. The utility model discloses the structure is firm, and the protectiveness is better, has popularization prospect.

Description

Power cable protection tube

Technical Field

The utility model relates to a power cable technical field, concretely relates to power cable protection tube.

Background

The cable protection pipe is a metal protection pipe which is laid on the outer layer of the cable and has certain mechanical strength in order to prevent the cable from being damaged. The cable protection pipe is mainly installed in a section where the communication cable and the power line are crossed, so that the short circuit accident caused by the disconnection of the power line is prevented, the communication cable and the steel wire rope are electrified, the cable, the switch and the machine core board are protected, the whole machine is not burnt out, and a certain isolation effect is achieved on the magnetic field interference of the power line. In order to facilitate laying of cables, the cable protection pipe generally adopts a sectional type splicing installation mode, the structural strength of the joint position is lower in the mode, and the phenomena of disconnection and the like easily occur during compression, so that the protection effect is not favorably ensured.

Disclosure of Invention

The utility model discloses aim at to prior art's technical defect, provide a power cable protection tube to solve conventional cable protection tube and firm technical problem inadequately at seam position structure.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

a power cable protection tube comprises segmented tubes which are mutually butted, wherein each segmented tube comprises a pipe fitting, a plurality of circular ring belts, a gap part, a wide-mouth part, a butt joint port and a circular ring groove, the outer wall of each pipe fitting is provided with the circular ring belts, the gap parts are arranged between the adjacent circular ring belts, the head end of each pipe fitting is provided with the wide-mouth part, the head end of the wide-mouth part is provided with the butt joint port, and the butt joint port is provided with the circular ring groove; for adjacent segmented pipes, the tail of a head-side segmented pipe is inserted into a wide-mouth part of a tail-side segmented pipe, the end faces of semicircular rings are provided with lugs, through holes are formed in the lugs, the two semicircular rings are simultaneously inserted into the same gap part of the head-side segmented pipe, the lugs of the two semicircular rings are mutually butted and the through holes are mutually butted, a bolt penetrates through the through holes which are mutually butted and is fixedly connected with a nut, the tail end of each semicircular ring is provided with a clamping jaw, the clamping jaws of the two semicircular rings are simultaneously clamped into a circular groove of the tail-side segmented pipe, an occupation ring is positioned in one gap part of the head-side segmented pipe, and the outer edge of the occupation ring is jointed on the inner wall of the wide-mouth part of the tail-side segmented pipe.

Preferably, a bracket is provided in the pipe, and the power cable is fixed to the bracket.

Preferably, the tube has a hollow cavity in a side wall thereof.

Preferably, the heat insulating layer is attached to the inner wall of the pipe.

Preferably, the width of the gap portion is not greater than the width of the circular ring belt.

The utility model provides a power cable protection tube. This technical scheme has abandoned conventional insertion structure, has constructed more firm joint structure between adjacent segmentation pipe to adopt the occupy-place ring to support inside the junction, thereby improved the stability of junction. Specifically, the utility model discloses set up the lug on semicircular ring's terminal surface, have the through-hole on the lug, two semicircular ring pieces insert simultaneously to the same clearance portion of head side segmentation pipe, and the lug of two semicircular ring pieces is to closing each other, and the through-hole is to closing each other, the bolt run through the through-hole that closes each other and with nut fastening connection, have the jack catch at semicircular ring's tail end, the jack catch of two semicircular ring pieces is gone into simultaneously in the card goes into the ring groove of tail side segmentation pipe, and the occupation position ring is located one of them clearance portion of head side segmentation pipe, and the outer fringe laminating of occupation position ring is on the inner wall of the wide-mouth portion of tail side segmentation pipe. The utility model discloses the structure is firm, and the protectiveness is better, has popularization prospect.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

in the figure:

1. pipe 2, circular ring belt 3, clearance portion 4, wide-mouth portion

5. Butt joint port 6, circular groove 7, semicircular ring 8 and lug

9. Through-hole 10, jack catch 11, placeholder ring.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

A power cable protection tube comprises sectional tubes which are mutually butted, as shown in figures 1-2, wherein each sectional tube comprises a pipe fitting 1, circular ring belts 2, a gap part 3, a wide-mouth part 4, a butt-joint port 5 and a circular ring groove 6, wherein a plurality of circular ring belts 2 are arranged on the outer wall of the pipe fitting 1, the gap part 3 is arranged between the adjacent circular ring belts 2, the wide-mouth part 4 is arranged at the head end of the pipe fitting 1, the butt-joint port 5 is arranged at the head end of the wide-mouth part 4, and the circular ring groove 6 is arranged on the butt-joint port 5; for adjacent segmented pipes, the tail of a head-side segmented pipe is inserted into a wide-mouth part 4 of a tail-side segmented pipe, a lug 8 is arranged on the end face of a semicircular ring piece 7, a through hole 9 is arranged on the lug 8, the two semicircular ring pieces 7 are simultaneously inserted into the same gap part 3 of the head-side segmented pipe, the lugs 8 of the two semicircular ring pieces 7 are mutually butted, the through holes 9 are mutually butted, a bolt penetrates through the mutually butted through holes 9 and is fixedly connected with a nut, a clamping jaw 10 is arranged at the tail end of the semicircular ring piece 7, the clamping jaws 10 of the two semicircular ring pieces 7 are simultaneously clamped into a circular groove 6 of the tail-side segmented pipe, an occupation ring 11 is positioned in one gap part 3 of the head-side segmented pipe, and the outer edge of the occupation ring 11 is attached to the inner wall of the wide-mouth part 4 of the tail-side segmented pipe.

Example 2

A power cable protection pipe comprises sectional pipes which are mutually butted, as shown in figures 1-2, wherein each sectional pipe comprises a pipe fitting 1, circular ring belts 2, a gap part 3, a wide-mouth part 4, a butt joint port 5 and a circular ring groove 6, wherein a plurality of circular ring belts 2 are arranged on the outer wall of the pipe fitting 1, the gap part 3 is arranged between the adjacent circular ring belts 2, the wide-mouth part 4 is arranged at the head end of the pipe fitting 1, the butt joint port 5 is arranged at the head end of the wide-mouth part 4, and the circular ring groove 6 is arranged on the butt joint port 5; for adjacent segmented pipes, the tail of a head-side segmented pipe is inserted into a wide-mouth part 4 of a tail-side segmented pipe, a lug 8 is arranged on the end face of a semicircular ring piece 7, a through hole 9 is arranged on the lug 8, the two semicircular ring pieces 7 are simultaneously inserted into the same gap part 3 of the head-side segmented pipe, the lugs 8 of the two semicircular ring pieces 7 are mutually butted, the through holes 9 are mutually butted, a bolt penetrates through the mutually butted through holes 9 and is fixedly connected with a nut, a clamping jaw 10 is arranged at the tail end of the semicircular ring piece 7, the clamping jaws 10 of the two semicircular ring pieces 7 are simultaneously clamped into a circular groove 6 of the tail-side segmented pipe, an occupation ring 11 is positioned in one gap part 3 of the head-side segmented pipe, and the outer edge of the occupation ring 11 is attached to the inner wall of the wide-mouth part 4 of the tail-side segmented pipe. Wherein there is a bracket in the tube 1, to which the power cable is fixed. The tube 1 has a hollow cavity in its side wall. The inner wall of the pipe fitting 1 is attached with a heat-insulating layer. The width of the gap portion 3 is not greater than the width of the circular ring belt 2.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The power cable protection tube is characterized by comprising segmented tubes which are mutually butted, wherein each segmented tube comprises a pipe fitting (1), circular ring belts (2), a gap part (3), a wide opening part (4), a butt joint opening (5) and a circular ring groove (6), a plurality of circular ring belts (2) are arranged on the outer wall of the pipe fitting (1), the gap part (3) is arranged between the adjacent circular ring belts (2), the wide opening part (4) is arranged at the head end of the pipe fitting (1), the butt joint opening (5) is arranged at the head end of the wide opening part (4), and the circular ring groove (6) is arranged on the butt joint opening (5); for adjacent segmented pipes, the tail of a head-side segmented pipe is inserted into a wide-mouth part (4) of a tail-side segmented pipe, a lug (8) is arranged on the end face of each semicircular ring piece (7), a through hole (9) is formed in each lug (8), the two semicircular ring pieces (7) are simultaneously inserted into the same gap part (3) of the head-side segmented pipe, the lugs (8) of the two semicircular ring pieces (7) are mutually butted, the through holes (9) are mutually butted, a bolt penetrates through the mutually butted through holes (9) and is fixedly connected with a nut, a clamping jaw (10) is arranged at the tail end of each semicircular ring piece (7), the clamping jaws (10) of the two semicircular ring pieces (7) are simultaneously clamped into a circular ring groove (6) of the tail-side segmented pipe, an occupying ring (11) is positioned in one gap part (3) of the head-side segmented pipe, and the outer edge of the occupying ring (11) is attached to the inner wall of the wide-mouth part (4) of the tail-side segmented pipe.

2. A power cable protection tube according to claim 1, characterized in that there is a bracket in the tube (1) to which the power cable is fixed.

3. A power cable protection tube according to claim 1, characterized in that there is a hollow cavity in the side wall of the tube (1).

4. The electric power cable protection tube according to claim 1, wherein an insulation layer is attached to an inner wall of the tube member (1).

5. A power cable protection tube according to claim 1, characterized in that the width of the gap portion (3) is not greater than the width of the circumferential band (2).