CN112383020A

CN112383020A - Communication cable protection device

Info

Publication number: CN112383020A
Application number: CN202011187323.8A
Authority: CN
Inventors: 王洪明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-02-19

Abstract

The invention discloses a communication cable protection device, which relates to the technical field of cable protection equipment, and adopts the technical scheme that the communication cable protection device comprises a protection tube, wherein the side wall of the protection tube is movably hinged with a working window, extension tubes are fixedly installed at two ends of the protection tube, clamping grooves are formed in the extension tubes at equal intervals, a pipe sleeve is installed on the extension tubes, a cavity is formed in the pipe sleeve, a rotating ring is installed in the cavity, triangular teeth are arranged on the inner ring surface and the outer ring surface of the rotating ring at equal intervals, a plurality of first gears are meshed and connected with the rotating ring at equal intervals, a clamping block is arranged on one side of each first gear, and an adjusting sleeve is arranged on the side wall of the. The invention can better draw and decompose the electric arc into a plurality of sections of small electric arcs, thereby effectively reducing the risk of cable explosion, effectively preventing water from entering, achieving the waterproof function, offsetting explosion energy, avoiding other cables from being burnt out or burnt out and reducing loss.

Description

Communication cable protection device

Technical Field

The invention relates to the technical field of cable protection equipment, in particular to a communication cable protection device.

Background

A communications cable is a cable that transmits telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. Compared with an overhead open wire, the communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality, less influence of natural conditions and external interference and the like.

The cable protection is a metal protection tube laid on the outer layer of a cable and having a certain mechanical strength, and the cable protection tube is mainly installed in a section where a communication cable and a power line intersect to prevent a short-circuit accident caused by disconnection of the power line, so that the communication cable and a steel wire rope are electrified to protect the cable, a switch and a core board, so that the whole machine is not burnt out, and a certain isolation effect is achieved on the magnetic field interference of the power line.

Disclosure of Invention

In order to solve the problems in the background art, the invention aims to provide a communication cable protection device, which has the advantages that an electric arc can be well pulled and decomposed into a plurality of sections of small electric arcs, so that the risk of cable explosion is effectively reduced, water is effectively prevented from entering, a waterproof function is achieved, explosion energy is effectively offset, other cables are prevented from being burnt or burnt, and loss is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a communication cable protection device, includes the protection tube, the lateral wall activity of protection tube articulates there is the work window, the both ends fixed mounting of protection tube has the extension pipe, equidistant draw-in groove has been seted up on the extension pipe, install the pipe box on the extension pipe, the inside of pipe box is provided with the cavity, install the swivel becket in the cavity, the inner ring face and the outer ring equidistance of swivel becket are provided with the triangle tooth, equidistant meshing is connected with a plurality of first gears on the swivel becket, one side of first gear is provided with the fixture block, be provided with the adjusting sleeve on the lateral wall of pipe box, the internally mounted of adjusting sleeve has the second gear, the connecting axle is installed in the front of adjusting sleeve, the other end fixed mounting of connecting axle has the adjustment end, second gear and connecting axle.

As a further scheme of the invention: and the metal plate is arranged in the protection tube along the inner annular surface array.

As a still further scheme of the invention: the clamping grooves are in a threaded shape and are sequentially arranged on the side wall of the extension pipe.

As a still further scheme of the invention: the inner wall triangular teeth are arranged on the inner ring surface of the rotating ring in an annular array mode, the outer wall triangular teeth are close to the adjusting sleeve and are arranged in a plurality of equal intervals, and the outer wall triangular teeth are meshed with the second gear.

As a still further scheme of the invention: the limiting rod is rotatably installed on the first gear, the limiting rod is vertically installed in the cavity inside the pipe sleeve, two limiting plates are installed on the limiting rod, and the two limiting plates are installed on two sides of the first gear.

As a still further scheme of the invention: the fixture block extends out of the inner wall of the pipe sleeve and is in threaded arrangement, the fixture block and the clamping groove are correspondingly arranged and are embedded, a cavity is formed in one side, close to the first gear, of the fixture block, gear teeth are arranged on the inner wall, opposite to the first gear, of the interior of the cavity, and the fixture block is in meshed connection with the first gear through the gear teeth.

As a still further scheme of the invention: the cable protection device is characterized in that a cable clamping sleeve is arranged inside the protection tube, two fixing rods are vertically arranged at the upper end and the lower end of the cable clamping sleeve, the fixing rods are fixedly arranged on the inner wall of the protection tube at the upper end and the lower end, water stop gaskets are arranged at ports at the two ends of the cable clamping sleeve, the cable clamping sleeve is partially separated from the water stop gaskets to form an upper clamping sleeve and a lower clamping sleeve, and mounting holes are correspondingly formed in the left side and the right side of the upper.

As a still further scheme of the invention: the inner side wall and the outer side wall of the extension pipe are provided with water stopping layers, and the middle of the extension pipe is provided with a steel plate interlayer.

Compared with the prior art, the invention has the beneficial effects that:

1. the cable at two ends to be connected enters the inside of the protection pipe through the pipe sleeve, the cable at two ends is connected through the working window, the cable is convenient to check or connect, the maximum integrity of the protection pipe can be ensured, the anti-riot capability of the protection pipe can be improved, after the cable is connected, the joint of the cable is placed in the cable clamping sleeve, the upper clamping pipe and the lower clamping pipe are fixedly closed through the mounting hole, the cable is lifted up by using the fixing rod and is separated from the metal sheets, the electromagnetic turbulence is avoided, a plurality of metal sheets are arranged in the protection pipe, when an insulating layer at the cable joint is affected with damp and aged, the cable at two ends generates electric arcs, the metal sheets can better draw in and decompose the electric arcs into a plurality of sections of small electric arcs, thereby effectively reducing the risk of cable explosion, and then a water stop gasket is arranged at the port part of the cable clamping, the waterproof function is achieved.

2. All set up the stagnant water layer in the inside and outside both sides of extension pipe anchor ring face, further promote the waterproof nature of protection tube, rotate the adjustment end, the adjustment end passes through the connecting axle and drives the second gear rotation, the second gear is connected with the swivel becket meshing, and then drive first gear and be concertina movement, when the swivel becket rotates, impel a plurality of fixture blocks to the center, it is fixed with the draw-in groove inlay card, it is fixed with the cable to make the inside pressfitting of extension pipe, fasten the both ends of protection tube, the cable after will connecting the completion is fixed in inside, make the overall structure of protection tube inseparable, effectively offset the explosion energy, avoid exploding or burning other cables, and the loss is reduced.

Drawings

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

FIG. 2 is an exploded view of the protection tube and the tube sleeve of the present invention;

FIG. 3 is a schematic cross-sectional view of a pipe sleeve of the present invention;

FIG. 4 is a cross-sectional view of the pipe sleeve of the present invention

FIG. 5 is a schematic view of a connection structure of a first gear and a latch according to the present invention;

FIG. 6 is a schematic view of the inner structure of the protection tube according to the present invention;

FIG. 7 is a schematic cross-sectional view of the sagittal plane of the protection tube of the present invention;

FIG. 8 is a schematic top sectional view of the protection tube of the present invention;

fig. 9 is an enlarged detail view of a in fig. 2 according to the present invention.

In the figure: 1. protecting the tube; 101. a metal plate; 2. a working window; 3. an extension tube; 301. a water stopping layer; 302. a steel plate interlayer; 4. a card slot; 5. pipe sleeve; 6. a rotating ring; 601. triangular teeth; 7. a first gear; 701. a limiting rod; 702. a limiting plate; 8. a clamping block; 801. gear teeth; 9. an adjusting sleeve; 901. a second gear; 10. a connecting shaft; 11. adjusting the end head; 12. a cable ferrule; 13. fixing the rod; 14. a water stop gasket; 15. and (7) installing holes.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings

Referring to fig. 1 to 9, in an embodiment of the present invention, a communication cable protection device includes a protection tube 1, a working window 2 is movably hinged to a side wall of the protection tube 1, cables at both ends are jointed through the working window 2, so as to facilitate cable inspection or jointing, and simultaneously, the maximum integrity of the protection tube 1 is ensured, so as to facilitate the anti-riot capability of the protection tube 1, extension tubes 3 are fixedly installed at both ends of the protection tube 1, slots 4 are equally spaced on the extension tubes 3, a pipe sleeve 5 is installed on the extension tubes 3, a cavity is provided inside the pipe sleeve 5, a rotating ring 6 is installed in the cavity, triangular teeth 601 are equally spaced on an inner ring surface and an outer ring surface of the rotating ring 6, a plurality of first gears 7 are equidistantly engaged and connected to the rotating ring 6, a clamping block 8 is disposed on one side of the first gear 7, an adjusting sleeve 9 is disposed, a second gear 901 is installed inside the adjusting sleeve 9, a connecting shaft 10 is installed on the front face of the adjusting sleeve 9, an adjusting end 11 is fixedly installed at the other end of the connecting shaft 10, and the second gear 901 is fixedly connected with the connecting shaft 10.

In fig. 5-6, the metal sheet 101 is installed along interior anchor ring array in the inside of protection tube 1, with a plurality of metal sheets 101 of internally mounted of protection tube 1, when the insulating layer of cable joint department wets ageing, the electric arc takes place for the cable at both ends, metal sheet 101 can draw in electric arc better and decompose into the little electric arc of multistage to effectively reduce the risk of cable explosion, secondly set up stagnant water packing ring 14 at the port department of cable cutting ferrule 12, effectively hinder the moisture entering, reach waterproof function.

In fig. 2, the locking grooves 4 are formed in a threaded manner on the side wall of the extension pipe 3 in sequence.

In fig. 3, an inner wall triangular tooth 601 is arranged in an annular array on the inner annular surface of the rotating ring 6, a plurality of outer wall triangular teeth 601 are arranged at equal intervals near the adjusting sleeve 9, and the outer wall triangular teeth 601 are engaged with the second gear 901.

In fig. 5, a limiting rod 701 is rotatably mounted on the first gear 7, the limiting rod 701 is vertically mounted in the inner cavity of the pipe sleeve 5, two limiting plates 702 are mounted on the limiting rod 701, and the two limiting plates 702 are mounted on two sides of the first gear 7.

In fig. 4, a fixture block 8 extends out of the inner wall of the pipe sleeve 5 and is arranged in a threaded manner, the fixture block 8 is arranged corresponding to and embedded in a slot 4, a cavity is formed in one side of the fixture block 8 close to the first gear 7, gear teeth 801 are arranged in the cavity and opposite to the inner wall of the first gear 7, the fixture block 8 is meshed with the first gear 7 through the gear teeth 801, an adjusting end 11 is rotated, the adjusting end 11 drives a second gear 901 to rotate through a connecting shaft 10, the second gear 901 is meshed with a rotating ring 6 to further drive the first gear 7 to do telescopic motion, when the rotating ring 6 rotates, a plurality of fixture blocks 8 are pushed towards the center and are clamped and fixed with the slot 4, so that the extension pipe 3 is pressed inwards to be fixed with a cable, two ends of the protection pipe 1 are fastened, the cable after the joint is fixed in the inner part, the whole structure of the protection pipe 1 is compact, explosion energy is effectively counteracted, and the loss is reduced.

In fig. 5, the inside of protection tube 1 is provided with cable cutting ferrule 12, two vertical dead levers 13 of installing in the upper and lower both ends of cable cutting ferrule 12, the equal fixed mounting of upper and lower both ends dead lever 13 is on the inner wall of protection tube 1, after the cable accomplished the joint operation, place the joint department of cable in the inside of cable cutting ferrule 12, it is fixed closed with upper and lower card pipe through mounting hole 15, use dead lever 13 to raise the cable, with metal sheet 101 interval, avoid electromagnetic turbulence, the port at cable cutting ferrule 12 both ends is provided with stagnant water packing ring 14, cable cutting ferrule 12 is from the well part from forming last cutting ferrule and lower cutting ferrule, go up the cutting ferrule and correspond the left and right sides of lower cutting ferrule and seted up mounting hole 15.

In fig. 8, the inner and outer side walls of the extension pipe 3 are provided with water stopping layers 301, the middle part of the extension pipe 3 is provided with a steel plate interlayer 302, and the inner and outer sides of the ring surface of the extension pipe 3 are provided with water stopping layers 301, thereby further improving the waterproofness of the protection pipe 1.

The working principle of the invention is as follows: the cable at two ends to be connected enters the inside of the protection pipe 1 through the pipe sleeve 5, the cable at two ends is connected through the working window 2, the cable is convenient to check or connect, the maximum integrity of the protection pipe 1 can be ensured, the anti-violence capability of the protection pipe 1 is favorably improved, after the cable is connected, the joint of the cable is placed in the cable clamping sleeve 12, the upper clamping pipe and the lower clamping pipe are fixedly closed through the mounting hole 15, the cable is lifted up by using the fixing rod 13 and is separated from the metal plate 101, the electromagnetic turbulence is avoided, the metal plates 101 are arranged in the protection pipe 1, when an insulating layer at the cable joint is damped and aged, the cable at two ends generates electric arcs, the metal plate 101 can better draw in and decompose the electric arcs into a plurality of sections of small arcs, thereby effectively reducing the risk of cable explosion, and then the water stop gasket 14 is arranged at the port of the cable clamping sleeve, effectively hinder the moisture and get into, reach waterproof function, all set up stagnant water layer 301 in the inside and outside both sides of 3 anchor rings of extension tube, further promote the waterproof nature of protection tube 1, rotation adjustment end 11, adjustment end 11 drives second gear 901 through connecting axle 10 and rotates, second gear 901 is connected with the meshing of rotating ring 6, and then drive first gear 7 and be concertina movement, when rotating ring 6 rotates, impel a plurality of fixture blocks 8 to the center, it is fixed with draw-in groove 4 inlay card, it is fixed with the cable to make extension tube 3 inside pressfitting, fasten the both ends of protection tube 1, cable after accomplishing the joint is fixed in inside, make the overall structure of protection tube 1 inseparable, effectively offset explosion energy, avoid exploding or burning other cables, reduce the loss.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. A communication cable protection device comprising a protection tube (1), characterized in that: the side wall of the protection pipe (1) is movably hinged with a working window (2), two ends of the protection pipe (1) are fixedly provided with extension pipes (3), the extension pipes (3) are provided with clamping grooves (4) at equal intervals, the extension pipes (3) are provided with pipe sleeves (5), a cavity is arranged inside the pipe sleeves (5), a rotating ring (6) is arranged in the cavity, triangular teeth (601) are arranged on the inner ring surface and the outer ring surface of the rotating ring (6) at equal intervals, the rotating ring (6) is in equal-interval meshed connection with a plurality of first gears (7), one side of each first gear (7) is provided with a clamping block (8), the side wall of each pipe sleeve (5) is provided with an adjusting sleeve (9), a second gear (901) is arranged inside the adjusting sleeve (9), and the front surface of each adjusting sleeve (9) is provided with a connecting shaft (10), the other end of the connecting shaft (10) is fixedly provided with an adjusting end (11), and the second gear (901) is fixedly connected with the connecting shaft (10).

2. A telecommunications cable protection device according to claim 1, characterized in that the interior of the protective tube (1) is fitted with metal plates (101) along an inner circumferential array.

3. A communication cable protection device according to claim 1, wherein the slots (4) are provided in a threaded manner on the side wall of the extension tube (3) in sequence.

4. The communication cable protection device according to claim 1, wherein the inner wall of the triangular teeth (601) is arranged on the inner annular surface of the rotating ring (6) in an annular array, the outer wall of the triangular teeth (601) is close to the adjusting sleeve (9) and is arranged in a plurality of equal intervals, and the outer wall of the triangular teeth (601) is in meshed connection with the second gear (901).

5. The communication cable protection device according to claim 1, wherein the fixture block (8) extends out of the inner wall of the pipe sleeve (5) and is arranged in a threaded manner, the fixture block (8) and the fixture groove (4) are correspondingly arranged and embedded, a cavity is formed in one side of the fixture block (8) close to the first gear (7), gear teeth (801) are arranged on the inner wall of the cavity opposite to the first gear (7), and the fixture block (8) is meshed with the first gear (7) through the gear teeth (801).

6. The communication cable protection device according to claim 1, wherein a limiting rod (701) is rotatably mounted on the first gear (7), the limiting rod (701) is vertically mounted in the cavity inside the pipe sleeve (5), two limiting plates (702) are mounted on the limiting rod (701), and the two limiting plates (702) are mounted on two sides of the first gear (7).

7. The communication cable protection device according to claim 1, wherein a cable sleeve (12) is arranged inside the protection tube (1), two fixing rods (13) are vertically arranged at the upper end and the lower end of the cable sleeve (12), the fixing rods (13) are fixedly arranged on the inner wall of the protection tube (1), water stop washers (14) are arranged at the ports at the two ends of the cable sleeve (12), the cable sleeve (12) is partially separated from the cable sleeve to form an upper sleeve and a lower sleeve, and mounting holes (15) are correspondingly formed in the left side and the right side of the upper sleeve and the lower sleeve.

8. A protection device for communication cables according to claim 1, characterized in that the inner and outer side walls of the extension tube (3) are provided with a water stop layer (301), and the middle part of the extension tube (3) is provided with a steel plate interlayer (302).