CN210896724U

CN210896724U - Overhead cable

Info

Publication number: CN210896724U
Application number: CN201922299647.XU
Authority: CN
Inventors: 刘利明
Original assignee: Qingdao Yansanhi Cable Technology Co ltd
Current assignee: Qingdao Yansanhi Cable Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-06-30
Anticipated expiration: 2029-12-19

Abstract

The utility model provides an overhead cable, which comprises an outer shell, the outside top of shell all is provided with the fixed block, and the inside of fixed block is provided with first screw hole, the outside top of fixed block all is provided with the threaded rod, and the outside top of threaded rod all is provided with the connecting block, the inside of connecting block is provided with the second screw hole, the outside top of connecting block all is provided with the dead lever, the inside of shell is provided with the rubber anticorrosive coating, and the inside of rubber anticorrosive coating is provided with the fire-retardant layer of silica gel, the inside on the fire-retardant layer of silica gel is provided with the cable body, the outside the place ahead of shell is provided with the pivot, and the right-hand. The utility model discloses, through being provided with the rubber anticorrosive coating, can reduce the rainwater like this to the damage of aerial [ insulated ] cable to effectively reduced the outer damage of aerial [ insulated ] cable, also obtained the guarantee to installation measurement personnel's personal safety simultaneously and prolonged aerial [ insulated ] cable's life.

Description

Overhead cable

Technical Field

The utility model relates to a relevant technical field of cable especially relates to an aerial [ insulated ] cable.

Background

The cable includes power cable, control cable, compensation cable, shielding cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable, etc. and is composed of single-strand or multi-strand conductor and insulating layer for connecting circuit, electric appliance, etc.

The existing aerial cable is poor in flame retardant effect, corrosion resistant effect and heat dissipation effect, so that once the cable is used for a long time, the fire is easily caused by short circuit, the fire is difficult to control and a fire hazard is possibly caused, meanwhile, the cable is exposed outside for a long time and is subjected to rainwater washing, the outer layer of the cable is easily cracked, and the service life of the cable is shortened.

Therefore, there is a need to provide an overhead cable to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overhead cable has solved the poor problem of overhead cable anti-corrosion effect.

In order to solve the technical problem, the utility model provides an overhead cable, which comprises a shell, wherein fixed blocks are arranged above the outer side of the shell, a first threaded hole is arranged inside the fixed block, threaded rods are arranged above the outer side of the fixed block, and the upper part of the outer side of the threaded rod is provided with a connecting block, the inside of the connecting block is provided with a second threaded hole, the upper part of the outer side of the connecting block is provided with a fixed rod, the inner part of the shell is provided with a rubber anticorrosive layer, and the inner part of the rubber anticorrosive layer is provided with a silica gel flame-retardant layer, the inner part of the silica gel flame-retardant layer is provided with a cable body, the front part of the outer side of the shell is provided with a rotating shaft, and the right-hand side cap that is provided with in the outside of pivot, the side cap is provided with the handle to the right-hand side in the outside, the outside below of shell is provided with the fin, and the outside of fin all is provided with the ventilation hole.

Preferably, the surface of the shell and the surface of the fixed block are both in open-hole design, and the fixed blocks are symmetrically arranged on the axis of the shell.

Preferably, the threaded rod is in threaded connection with the second threaded hole, and the fixing rods are symmetrically arranged around the axis of the shell.

Preferably, the outer side of the rubber anticorrosive layer is tightly attached to the inner side of the shell, and the outer diameter of the rubber anticorrosive layer is smaller than the inner diameter of the shell.

Preferably, the inner side of the silica gel flame-retardant layer is tightly attached to the outer side of the cable body, and the inner diameter of the silica gel flame-retardant layer is larger than the outer diameter of the cable body.

Preferably, the side cover is rotatably connected with the housing through a rotating shaft, and the outer width of the side cover is smaller than the inner width of the housing.

Preferably, the ventilation holes are arranged at equal intervals on the outer sides of the cooling fins, and the upper portion of the inner portion of each ventilation hole is arranged in a grid mode.

Compared with the prior art, the utility model provides a pair of overhead cable has following beneficial effect:

1. the utility model provides an overhead cable, through being provided with the rubber anticorrosive coating, can reduce the damage of rainwater to the overhead cable like this to effectively reduce the outer damage of overhead cable, also ensured the personal safety of installation detection personnel simultaneously and prolonged the life of overhead cable;

2. the utility model provides an aerial cable, through being provided with the fire-retardant layer of silica gel, can play fine fire-retardant effect like this, can not appear the short circuit because of the aerial cable and cause the aerial cable to catch sufficient time for the fire fighter and put out the intensity of a fire, also reduce use cost simultaneously;

3. the utility model provides an overhead cable through being provided with the ventilation hole, can the overhead cable keep good ventilation effect like this, has reduced because of the not good messenger overhead cable of ventilation effect can't dispel the heat at the temperature that the during operation produced, has also reduced the appearance of overhead cable trouble simultaneously, has improved work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an aerial cable according to the present invention;

FIG. 2 is a front view of the overhead cable of FIG. 1;

FIG. 3 is a schematic top view of the overhead cable of FIG. 1;

fig. 4 is a schematic bottom view of the overhead cable shown in fig. 1.

Reference numbers in the figures: 1. the shell, 2, the fixed block, 3, first screw hole, 4, the threaded rod, 5, the connecting block, 6, second screw hole, 7, the dead lever, 8, the rubber anticorrosive coating, 9, the fire-retardant layer of silica gel, 10, the cable body, 11, pivot, 12, the side cap, 13, the handle, 14, the fin, 15, the ventilation hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an aerial cable according to the present invention; fig. 2 is a schematic structural view of an overhead cable shown in fig. 1; FIG. 3 is a schematic top view of the overhead cable of FIG. 1; fig. 4 is a schematic bottom view of the overhead cable shown in fig. 1. The utility model provides an aerial cable, which comprises an outer shell 1, the outside top of shell 1 all is provided with fixed block 2, and the inside of fixed block 2 is provided with first screw hole 3, the outside top of fixed block 2 all is provided with threaded rod 4, and the outside top of threaded rod 4 all is provided with connecting block 5, the inside of connecting block 5 is provided with second screw hole 6, the outside top of connecting block 5 all is provided with dead lever 7, the inside of shell 1 is provided with rubber anticorrosive coating 8, and the inside of rubber anticorrosive coating 8 is provided with the fire-retardant layer 9 of silica gel, the inside of the fire-retardant layer 9 of silica gel is provided with cable body 10, the outside the place ahead of shell 1 is provided with pivot 11, and the right-hand side cap 12 that is provided with in the outside of pivot 11, side cap 12 is to the right-hand handle 13 that is provided with.

The surface of shell 1 and the surface of fixed block 2 are trompil formula design, and fixed block 2 sets up with 1 axis symmetry in the shell, are convenient for like this install and dismantle shell 1 to reduce installer's intensity of labour, also reduced installer's operating time simultaneously, improved work efficiency.

Threaded connection is adopted between the threaded rod 4 and the second threaded hole 6, and the fixing rods 7 are symmetrically arranged about the axis of the shell 1, so that the shell 1 is convenient to fix, the working time is shortened due to the fact that an overhead cable is not easy to fix, and meanwhile the working efficiency of workers is improved.

The outside of rubber anticorrosive coating 8 closely laminates with the inboard of shell 1, and the external diameter of rubber anticorrosive coating 8 is less than the internal diameter of shell 1, through being provided with rubber anticorrosive coating 8, can reduce the damage of rainwater to aerial [ insulated ] cable like this to effectively reduced the outer damage of aerial [ insulated ] cable, also obtained the guarantee to installation measurement personnel's personal safety simultaneously and prolonged aerial [ insulated ] cable's life.

The inboard of the fire-retardant layer of silica gel 9 closely laminates with the outside of cable body 10, and the internal diameter of the fire-retardant layer of silica gel 9 is greater than the external diameter of cable body 10, through being provided with the fire-retardant layer of silica gel 9, can play fine flame retardant efficiency like this, can not appear the short circuit because of the aerial [ insulated ] cable and cause the aerial [ insulated ] cable to catch fire for the fire fighter enough time and put out the intensity of a fire, also reduces use cost simultaneously.

Side cap 12 is through

pivot

11 and 1 swivelling joint of shell, and the outside width of side cap 12 is less than the inboard width of shell 1, is convenient for detect and maintain the inside aerial [ insulated ] cable of shell 1 like this, has reduced the time that detects and maintain, has improved maintainer's work efficiency.

Ventilation hole 15 is equidistant setting in the outside of fin 14, and the inside top of ventilation hole 15 arranges for latticed, through being provided with ventilation hole 15, can aerial [ insulated ] cable keep good ventilation effect like this, has reduced because of the not good temperature that makes aerial [ insulated ] cable produce at the during operation can't dispel the heat, has also reduced the appearance of aerial [ insulated ] cable trouble simultaneously, has improved work efficiency.

The utility model provides a pair of aerial [ insulated ] cable's theory of operation as follows: firstly, a fixed block 2 and a shell 1 are installed and fixed, then the shell 1 is connected with a threaded rod 4 through a first threaded hole 3 arranged in the fixed block 2, then the threaded rod 4 is connected with a second threaded hole 6 arranged in a connecting block 5 through a threaded rod, then the shell 1 is fixed and installed through a fixed rod 7 arranged above the connecting block 5, finally a side cover 12 is opened through a rotating shaft 11 and a handle 13, a rubber anticorrosive layer 8 is installed in the shell 1, the damage of rainwater to an overhead cable can be reduced by arranging the rubber anticorrosive layer 8, the damage of the outer layer of the overhead cable is effectively reduced, meanwhile, the service life of the overhead cable is prolonged by guaranteeing the personal safety of installation and detection personnel, then the silica gel flame retardant layer is installed on the inner side of the rubber anticorrosive layer 8 and is tightly attached, and the silica gel flame retardant layer 9 is arranged, can play fine flame retardant efficiency like this, can not appear the short circuit because of the aerial [ insulated ] cable and cause the aerial [ insulated ] cable to catch a fire, win sufficient time for the fire fighter and put out the intensity of a fire, also reduce use cost simultaneously, put into the inside of shell 1 with cable body 10 again and install fixedly, rethread pivot 11 and handle 13 are closed side cover 12 and shell, have just so accomplished aerial [ insulated ] cable installation use.

1. the utility model provides an overhead cable, which can reduce the damage of rainwater to the overhead cable by arranging a rubber anticorrosive layer 8, thereby effectively reducing the damage of the outer layer of the overhead cable, simultaneously ensuring the personal safety of installation and detection personnel and prolonging the service life of the overhead cable,

2. the utility model provides an aerial cable, through being provided with silica gel fire-retardant layer 9, can play fine fire-retardant effect like this, can not appear because of the aerial cable short circuit and cause the aerial cable to catch sufficient time for the fire fighter to put out the intensity of a fire, also reduce use cost simultaneously;

3. the utility model provides an aerial cable through being provided with ventilation hole 15, can the aerial cable keep good ventilation effect like this, has reduced because of the not good messenger aerial cable of ventilation effect can't dispel the heat at the temperature that the during operation produced, has also reduced the appearance of aerial cable trouble simultaneously, has improved work efficiency.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An overhead cable comprising a housing (1), characterized in that: the cable is characterized in that a fixing block (2) is arranged above the outer side of the shell (1), a first threaded hole (3) is formed in the fixing block (2), a threaded rod (4) is arranged above the outer side of the fixing block (2), a connecting block (5) is arranged above the outer side of the threaded rod (4), a second threaded hole (6) is formed in the connecting block (5), a fixing rod (7) is arranged above the outer side of the connecting block (5), a rubber anticorrosive layer (8) is arranged in the shell (1), a silica gel flame-retardant layer (9) is arranged in the rubber anticorrosive layer (8), a cable body (10) is arranged in the silica gel flame-retardant layer (9), a rotating shaft (11) is arranged in front of the outer side of the shell (1), a side cover (12) is arranged on the right side of the rotating shaft (11), a handle (13) is arranged on the right side of the side, and cooling fins (14) are arranged below the outer side of the shell (1), and ventilation holes (15) are formed in the outer sides of the cooling fins (14).

2. The overhead cable according to claim 1, wherein the surface of the outer shell (1) and the surface of the fixing block (2) are both open-cell design, and the fixing block (2) is arranged symmetrically with respect to the central axis of the outer shell (1).

3. The overhead cable of claim 1, wherein the threaded rod (4) is in threaded connection with the second threaded hole (6), and the fixing rods (7) are symmetrically arranged about the central axis of the housing (1).

4. The overhead cable according to claim 1, wherein the outer side of the rubber corrosion protection layer (8) is tightly attached to the inner side of the outer shell (1), and the outer diameter of the rubber corrosion protection layer (8) is smaller than the inner diameter of the outer shell (1).

5. The overhead cable of claim 1, wherein the inner side of the silicone flame retardant layer (9) is closely attached to the outer side of the cable body (10), and the inner diameter of the silicone flame retardant layer (9) is larger than the outer diameter of the cable body (10).

6. An overhead cable as claimed in claim 1, wherein the side cover (12) is rotatably connected to the housing (1) by means of a shaft (11), and the outside width of the side cover (12) is smaller than the inside width of the housing (1).

7. An overhead cable as claimed in claim 1, wherein the ventilation holes (15) are equally spaced outside the heat sink (14) and the ventilation holes (15) are arranged in a grid pattern over the inside.