CN216671244U - High-temperature air-blocking cable for aviation - Google Patents

Abstract

The utility model discloses a high-temperature gas barrier cable for aviation, which comprises an outer sheath, a clamping assembly and a cable core, wherein the clamping assembly is detachably sleeved on the outer sheath, the clamping assembly comprises arc-shaped gaskets, arc-shaped grooves, clamping plates, convex plates and connecting bolts, the two arc-shaped gaskets are respectively sleeved on the upper part and the lower part of the outer sheath in a relative manner, the surfaces of the two arc-shaped gaskets are respectively provided with the arc-shaped grooves, the two clamping plates are respectively arranged in the two arc-shaped grooves in a relative manner, the end parts of the clamping plates are respectively fixed with the convex plates, and the two opposite convex plates are fixedly connected through the connecting bolts; according to the utility model, the outer sheath, the clamping assembly and the cable core are combined, so that the installation and the use of the whole cable are not influenced, the cable can be clamped and tightened at intervals, the gap in the cable can be reduced, the probability that the subsequent protection and use are influenced by part aging or expansion caused by gas entering the cable is reduced, and the whole clamping assembly can be detached.

Description

High-temperature air-blocking cable for aviation

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to a high-temperature air-blocking cable for aviation.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. The high-temperature cable is one of the high-temperature cables, and can be used in industries related to heat and high temperature, such as petrochemical industry, steel, aerospace, shipbuilding, military industry, pharmacy, food, plastic machinery, boilers and the like.

When some existing high-temperature cables are used for a long time, gas or moisture can enter the interior of the cables, oxidation of internal parts of the cables is accelerated, the internal parts can expand and loosen, and the wrapping and protection effects on cable cores are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature air-blocking cable for aviation, which aims to solve the problems that when some high-temperature cables proposed in the background art are used for a long time, gas or moisture can enter the interior of the cable, so that oxidation of internal parts of the cable is accelerated, the internal parts can expand and loosen, and the wrapping and protection effects on a cable core are affected.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an aviation is with high temperature choke cable, includes oversheath, chucking subassembly and cable core, the detachable cover of chucking subassembly is established and is installed on the oversheath, the chucking subassembly includes arc gasket, arc wall, chucking board, flange and connecting bolt, two the arc gasket is established respectively relative cover and is established in the oversheath below, and two arc gasket surface has all seted up the arc wall, two the chucking board is arranged in two arc walls respectively relatively, just chucking board tip all is fixed with the flange, relative two connect fixedly through connecting bolt between the flange.

Preferably, the arc gasket is a rubber sheet, and a reinforcing rib is arranged between the convex plate and the clamping plate.

Preferably, an armor layer, an inner sheath and a wrapping tape are sequentially arranged between the outer sheath and the cable core from the right to the outside and from the inside to the right, and structural glue is filled between the armor layer and the outer sheath.

Preferably, an isolation support assembly is arranged between the cable core and the wrapping tape, the isolation support assembly comprises an isolation column, a reinforced iron wire and a water-blocking glue, the isolation column is located in the wrapping tape, the water-blocking glue is arranged between the isolation column and the wrapping tape, and a channel for installing the cable core is reserved on the surface of the isolation column.

Preferably, a distance of three millimeters is reserved between two adjacent channels, and a plurality of reinforcing iron wires are uniformly embedded and mounted in the isolation column.

Preferably, the outer sheath is a fluorinated ethylene propylene insulating sheath, the inner sheath is a high-temperature-resistant rubber sheath, the armor layer is a steel wire layer, and the wrapping tape is a halogen-free glass fiber tape.

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

(1) according to the utility model, the outer sheath, the clamping assembly and the cable core are combined, so that the installation and the use of the whole cable are not influenced, the cable can be clamped and tightened at intervals, the gap in the cable can be reduced, the probability that the subsequent protection and use are influenced by part aging or expansion caused by gas entering the cable is reduced, and the whole clamping assembly can be detached.

(2) According to the utility model, the cable cores, the wrapping belt and the isolation support component are combined, so that the isolation protection effect can be realized on the adjacent cable cores, the contact area and the abrasion of the adjacent cable cores are reduced, the whole cable is reinforced, the bending deformation degree of the cable is reduced, and the probability of surface cracking is reduced.

Drawings

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

FIG. 2 is a schematic structural view of the clamping assembly of the present invention;

FIG. 3 is a schematic view of the isolation bearing assembly of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 1 in accordance with the present invention;

in the figure: 1. an outer sheath; 2. a clamping assembly; 21. an arc-shaped gasket; 22. an arc-shaped slot; 23. a chucking plate; 24. a convex plate; 25. a connecting bolt; 3. an armor layer; 4. an inner sheath; 5. wrapping belts; 6. a cable core; 7. an isolation support assembly; 71. an isolation column; 72. reinforcing the iron wire; 73. water-blocking glue; 8. and (4) structural adhesive.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-temperature choke cable for aviation comprises an outer sheath 1, clamping assemblies 2 and a cable core 6, wherein the clamping assemblies 2 are detachably sleeved on the outer sheath 1, a plurality of clamping assemblies 2 can be arranged on the cable at intervals, the installation angles of two adjacent clamping assemblies 2 are changed, the cable can be conveniently and omnidirectionally clamped, each clamping assembly 2 comprises an arc-shaped gasket 21, an arc-shaped groove 22, clamping plates 23, convex plates 24 and connecting bolts 25, the two arc-shaped gaskets 21 are respectively sleeved on the upper part and the lower part of the outer sheath 1 in an opposite mode, the arc-shaped gaskets 21 play a role in isolation and protection, deep indentation on the surface of the cable is avoided, the arc-shaped grooves 22 are respectively formed in the surfaces of the two arc-shaped gaskets 21, the two clamping plates 23 are respectively and oppositely arranged in the two arc-shaped grooves 22, the convex plates 24 are respectively fixed at the end parts of the clamping plates 23, and the two opposite convex plates 24 are connected and fixed through the connecting bolts 25, two chucking boards 23 can play the chucking effect to the cable, through combining oversheath 1, chucking subassembly 2 and cable core 6, neither influence whole cable installation and use, can carry out the chucking to the cable again to every other one end distance and tighten up, the inside space of reducible cable to it causes the part to age or the subsequent probability that protects the use of inflation influence to reduce inside the gaseous entering cable, and whole chucking subassembly 2 can be dismantled and take off.

In this embodiment, preferably, the arc-shaped gasket 21 is a rubber sheet, the arc-shaped gasket 21 can play a role in buffering and protecting the outer sheath 1, and a reinforcing rib is arranged between the convex plate 24 and the clamping plate 23 to increase the connection tightness between the convex plate and the clamping plate.

In this embodiment, preferentially, armor 3, inner sheath 4 and band 5 have set gradually to the outside in the right side between oversheath 1 and the cable core 6, and it has structure glue 8 to fill between armor 3 and the oversheath 1, increases the two and connects the fastening nature, reduces because the probability of the two dislocation influence protective effect of external force.

In this embodiment, preferably, an isolation support assembly 7 is disposed between the cable core 6 and the tape 5, the isolation support assembly 7 includes an isolation column 71, a reinforcing iron wire 72 and a water blocking glue 73, the isolation column 71 is disposed in the tape 5, and the water blocking glue 73 is disposed between the two isolation columns, the water blocking glue 73 can prevent gas or liquid from permeating into the cable core 6, a channel for installing the cable core 6 is reserved on the surface of the isolation column 71, a distance of three millimeters is reserved between two adjacent channels, so as to reduce the contact area between the adjacent cable cores 6, a plurality of reinforcing iron wires 72 are uniformly embedded and installed in the isolation column 71, the reinforcing iron wires 72 do not affect the bending of the cable, and can play roles in buffering and reducing the bending deformation degree, by combining the cable core 6, the tape 5 and the isolation support assembly 7, the isolation protection role can be played on the adjacent cable cores 6, the contact area and abrasion of the two are reduced, and the whole cable is reinforced, the bending deformation degree of the cable is reduced, and the probability of surface cracking is reduced.

In this embodiment, preferably, the outer sheath 1 is a fluorinated ethylene propylene insulating sheath for high temperature resistance, the inner sheath 4 is a high temperature resistant rubber sheath, the armor layer 3 is a steel wire layer for reinforcement, and the wrapping tape 5 is a halogen-free glass fiber tape for flame retardation.

The working principle and the using process of the utility model are as follows: when the cable is used, the cable core 6 is embedded in the isolation column 71, the reinforcing iron wire 72 is bent along with the outward bending of the cable, but the bending degree of the whole cable is not too large due to the self property of the cable, so that the situation that the surface of the outer sheath 1 is deformed and cracked due to the too large bending degree is avoided, the probability of surface cracking of the outer sheath 1 is reduced, the two arc-shaped gaskets 21 can be relatively sleeved on the outer sheath 1 at intervals, the two clamping plates 23 are relatively arranged on the arc-shaped gaskets 21, the two opposite convex plates 24 are connected and fixed through the connecting bolt 25, the two clamping plates 23 are relatively clamped along with the relative moving and connecting of the two convex plates 24, the arc-shaped gaskets 21 and the cable are tightened and extruded, the inner gap of the cable is gradually reduced, the probability of external gas or liquid entering the cable is reduced, and the internal parts of the cable are indirectly protected, the probability that the subsequent protection is used due to the fact that parts are aged or expanded when gas enters the cable is reduced.

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

Claims (6)

1. The utility model provides an aviation is with high temperature choke cable, includes oversheath (1), chucking subassembly (2) and cable core (6), its characterized in that: chucking subassembly (2) detachable cover is established and is installed on oversheath (1), chucking subassembly (2) include arc gasket (21), arc wall (22), chucking plate (23), flange (24) and connecting bolt (25), two arc gasket (21) is established relatively respectively and is established in oversheath (1) below, and two arc gasket (21) surface has all been seted up arc wall (22), two chucking plate (23) are arranged in two arc walls (22) respectively relatively, just chucking plate (23) tip all is fixed with flange (24), relative two connect fixedly through connecting bolt (25) between flange (24).

2. The high-temperature air-barrier cable for aviation according to claim 1, wherein: the arc-shaped gasket (21) is a rubber sheet, and a reinforcing rib is arranged between the convex plate (24) and the clamping plate (23).

3. The high-temperature air-barrier cable for aviation according to claim 1, wherein: the cable is characterized in that an armor layer (3), an inner sheath (4) and a wrapping tape (5) are sequentially arranged between the outer sheath (1) and the cable core (6) from the right to the outside, and a structural adhesive (8) is filled between the armor layer (3) and the outer sheath (1).

4. The high-temperature gas barrier cable for aviation according to claim 3, wherein: an isolation supporting component (7) is arranged between the cable core (6) and the wrapping tape (5), the isolation supporting component (7) comprises an isolation column (71), a reinforced iron wire (72) and a water-blocking glue (73), the isolation column (71) is located in the wrapping tape (5), the water-blocking glue (73) is arranged between the isolation column and the wrapping tape, and a channel for installing the cable core (6) is reserved on the surface of the isolation column (71).

5. The high-temperature air-barrier cable for aviation according to claim 4, wherein: and a distance of three millimeters is reserved between every two adjacent channels, and a plurality of reinforcing iron wires (72) are uniformly embedded and installed in the isolation column (71).

6. The high-temperature air-barrier cable for aviation according to claim 4, wherein: the outer sheath (1) is a fluorinated ethylene propylene insulating sheath, the inner sheath (4) is a high-temperature-resistant rubber sheath, the armor layer (3) is a steel wire layer, and the belting (5) is a halogen-free glass fiber belt.

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