CN215643749U

CN215643749U - Military high-low temperature resistant special flexible cable

Info

Publication number: CN215643749U
Application number: CN202122161527.0U
Authority: CN
Inventors: 闵泽宇; 朱峰林; 李兵; 叶娟
Original assignee: Anhui Lingyu Cable Technology Co Ltd
Current assignee: Anhui Lingyu Cable Technology Co Ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-01-25
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a military high and low temperature resistant special flexible cable, which relates to the field of military cables and comprises a cable core, wherein the outer wall of the cable core is wrapped with an insulating layer, the outer wall of the insulating layer is stained with an irradiation crosslinked polyethylene layer, the outer wall of the irradiation crosslinked polyethylene layer is connected with a high-density polyethylene layer, and the outer wall of the high-density polyethylene layer is fixed with a first heat-insulating layer. According to the utility model, the cable core, the first heat-insulating layer and the second heat-insulating layer are arranged, the cable core is contacted with the ceramic polyolefin spraying layer on the outer wall of the first heat-insulating layer after passing through the carbon fiber epoxy resin spraying layer, the cable core is contacted with the sepiolite wool product in the first heat-insulating layer after passing through the ceramic polyolefin spraying layer, the cable core can be reached only after passing through the sepiolite wool product, the cable core is contacted with the irradiation crosslinked polyethylene layer after passing through the high-density polyethylene layer, and the cable core can be reached only after passing through the irradiation crosslinked polyethylene layer and then being contacted with the flame-retardant glass fiber in the insulating layer, so that the high-temperature and low-temperature resistant effect of the device main body is good.

Description

Military high-low temperature resistant special flexible cable

Technical Field

The utility model relates to the field of military cables, in particular to a military high-low temperature resistant special flexible cable.

Background

The military cable is formed by placing one or more mutually insulated conductive core wires in a closed sheath, and a protective covering layer can be added outside the cable and laid underground, in the air or at the bottom of rivers, lakes and seas, and the military cable is generally used as follows: cabin cables, control cables, field communication cables and the like, and military cables are important components of national defense facilities and are protected by law.

With the wide applicability and importance of military intellectualization, various intelligent devices are indispensable, and most military cables are used in places with severe environments, so that the military cables are particularly important for adapting to military cables with large temperature difference ranges.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, a military high and low temperature resistant special flexible cable is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: the military high-low temperature resistant special flexible cable comprises a cable core, wherein an insulating layer wraps the outer wall of the cable core, an irradiation crosslinked polyethylene layer is stained with the outer wall of the insulating layer, the outer wall of the irradiation crosslinked polyethylene layer is connected with a high-density polyethylene layer, a first heat insulation layer is fixed on the outer wall of the high-density polyethylene layer, a first spraying layer is sprayed on the outer wall of the first heat insulation layer, the outer wall of the first spraying layer is connected with a heat insulation assembly, a second heat insulation layer is arranged on the outer wall of the heat insulation assembly, a second spraying layer is sprayed at the position where the outer wall of the second heat insulation layer is connected with the heat insulation assembly, and a protective layer is arranged at the top end of the second heat insulation layer;

the heat preservation subassembly is including the heat preservation gasbag that contacts with the second heat preservation, the inside of heat preservation gasbag is fixed with the spring, spring top both sides are connected with first swinging arms, the second swinging arms is installed to spring bottom both sides, first swinging arms passes through the pivot with the second swinging arms and connects in one side of movable plate.

Preferably, the first heat preservation layer is fixedly connected around the outer wall of the high-density polyethylene layer in a triangular shape with the neutral point of the insulating layer as an axis.

Preferably, the second insulating layer is in an inverted triangle shape and is fixedly connected with the inner wall of the protective layer in a surrounding mode by taking the neutral point of the insulating layer as an axis.

Preferably, the inside packing of insulating layer has fire-retardant glass spacing, first spraying layer is ceramic polyolefin spraying layer, second spraying layer is carbon fiber epoxy spraying layer, the protective layer is chlorinated polyethylene rubber composition.

Preferably, the outer wall of the second heat-insulating layer is sprayed with composite silicate paint.

Preferably, the first heat-insulating layer is filled with sepiolite wool products, the second heat-insulating layer is filled with calcium silicate heat-insulating products, and the outer wall of the first heat-insulating layer is meshed with the outer wall of the second heat-insulating layer.

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

the cable comprises a cable core, an insulating layer, a radiation cross-linked polyethylene layer, a high-density polyethylene layer, a first heat preservation layer, a first spraying layer, a second heat preservation layer and a protection layer, wherein the insulating layer wraps the outer wall of the cable core, the radiation cross-linked polyethylene layer is adhered to the outer wall of the insulating layer, the outer wall of the radiation cross-linked polyethylene layer is connected with the high-density polyethylene layer, the first heat preservation layer is fixed on the outer wall of the high-density polyethylene layer, the first spraying layer is sprayed on the outer wall of the first heat preservation layer, the second spraying layer is connected to the outer wall of the first spraying layer, the second heat preservation layer is arranged on the inner wall of the second spraying layer, the protection layer is arranged on the outer wall of the second heat preservation layer, when the cable works at a higher temperature or a lower temperature environment, the outer wall temperature firstly contacts with the protection layer, the outer wall of the cable contacts with the composite silicate coating of the outer wall of the second heat preservation layer after passing through the protection layer, the cable core can be reached finally, and therefore the high and low temperature resistant effect of the main body of the device is good.

Drawings

FIG. 1 is a schematic view of the present invention in a cold condition;

FIG. 2 is a schematic structural diagram of a first insulating layer according to the present invention;

FIG. 3 is a schematic structural view of a second layer of insulation according to the present invention;

FIG. 4 is a schematic structural view of the heat retention assembly of the present invention.

In the figure: 1. a cable core; 2. an insulating layer; 3. irradiating the crosslinked polyethylene layer; 4. a high density polyethylene layer; 5. a first insulating layer; 6. a first spray coating layer; 7. a second spray coating layer; 8. a second insulating layer; 9. a protective layer; 10. a heat preservation assembly; 101. a heat preservation air bag; 102. a spring; 103. a first swing lever; 104. a travel bar; 105. a second swing lever.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-3, a military high and low temperature resistant special flexible cable comprises a cable core 1, wherein the outer wall of the cable core 1 is wrapped by an insulating layer 2, the outer wall of the insulating layer 2 is adhered with an irradiation cross-linked polyethylene layer 3, the outer wall of the irradiation cross-linked polyethylene layer 3 is connected with a high-density polyethylene layer 4, the outer wall of the high-density polyethylene layer 4 is fixed with a first heat-insulating layer 5, the outer wall of the first heat-insulating layer 5 is sprayed with a first spraying layer 6, the outer wall of the first spraying layer 6 is connected with a heat-insulating assembly 10, the outer wall of the heat-insulating assembly 10 is provided with a second heat-insulating layer 8, the joint position of the outer wall of the second heat-insulating layer 8 and the heat-insulating assembly 10 is sprayed with a second spraying layer 7, and the top end of the second heat-insulating layer 8 is provided with a protective layer 9;

the heat preservation assembly 10 comprises a heat preservation air bag 101 which is in contact with the second heat preservation layer 8, a spring 102 is fixed inside the heat preservation air bag 101, two sides of the top end of the spring 102 are connected with first swing rods 103, two sides of the bottom end of the spring 102 are provided with second swing rods 105, and the first swing rods 103 and the second swing rods 105 are connected to one side of the moving plate 104 through rotating shafts;

when external environment temperature is lower among the above-mentioned structural configuration, device main part thermal expansion shrinkage, deformation takes place wholly, protective layer 9 extrudes heat preservation 8, heat preservation 8 extrusion heat preservation gasbag 101, heat preservation gasbag 101 extrusion spring 102, spring 102 is driven first swinging arms 103 and second swinging arms 105 by extrusion deformation and is fan-shaped motion, thereby make movable plate 104 remove, movable plate 104 removes and makes heat preservation gasbag 104's width increase fill up its spaced space, paste the outer wall at first heat preservation 5 tightly, play better heat preservation effect, when external environment is higher, combine above-mentioned structure reverse operation known, can form the space between the heat preservation gasbag 101, be convenient for the heat dissipation of device main part.

Please refer to fig. 1 and fig. 2, the first thermal insulation layer 5 is triangular and surrounds the outer wall of the high density polyethylene layer 4 to be fixedly connected with the neutral point of the insulation layer 2 as the axis, so as to increase the thermal insulation effect of the cable and the toughness of the cable.

Please refer to the drawing, the second insulating layer 8 is in an inverted triangle shape and is fixedly connected to the inner wall of the protective layer 9 around the neutral point of the insulating layer 2, so as to increase the heat insulating effect of the cable and the toughness of the cable.

Please refer to fig. 1-3, the insulating layer 2 is filled with flame retardant glass for limiting, the first spraying layer 6 is a ceramic polyolefin spraying layer, the second spraying layer 7 is a carbon fiber epoxy resin spraying layer, and the protective layer 9 is made of chlorinated polyethylene rubber, so as to increase the heat preservation effect of the first heat preservation layer 5 and the second heat preservation layer 8.

Referring to fig. 1 and 3, the outer wall of the second insulating layer 8 is coated with a compound silicate paint to facilitate the second insulating layer 8 to be insulated again.

Please refer to fig. 1-3, the first thermal insulation layer 5 is filled with sepiolite wool product, the second thermal insulation layer 8 is filled with calcium silicate thermal insulation product, and the outer wall of the first thermal insulation layer 5 is engaged with the outer wall of the second thermal insulation layer 8, so that the first thermal insulation layer 5 and the second thermal insulation layer 8 can be used together to increase the thermal insulation effect.

The working principle is as follows: firstly, the outer wall of a cable core 1 is wrapped by an insulating layer 2, the outer wall of the insulating layer 2 is adhered with an irradiation cross-linked polyethylene layer 3, the outer wall of the irradiation cross-linked polyethylene layer 3 is connected with a high-density polyethylene layer 4, the outer wall of the high-density polyethylene layer 4 is fixed with a first heat preservation layer 5, the outer wall of the first heat preservation layer 5 is sprayed with a first spraying layer 6, the outer wall of the first spraying layer 6 is connected with a second spraying layer 7, the inner wall of the second spraying layer 7 is provided with a second heat preservation layer 8, the outer wall of the second heat preservation layer 8 is provided with a protection layer 9, when the cable works at a higher temperature or a lower temperature, the outer wall temperature firstly contacts with the protection layer 9, the external temperature contacts with a composite silicate coating of the spraying layer of the outer wall of the second heat preservation layer 8 after passing through the protection layer 9, contacts with a calcium silicate heat insulation product inside the second heat preservation layer 8 after passing through the composite silicate heat insulation product, and contacts with a carbon fiber epoxy resin spraying layer of the inner wall of the second heat preservation layer 8 after passing through the calcium silicate heat insulation product, the cable core 1 can be reached only after the cable core 1 is reached because the first heat preservation layer 5 presents a triangle shape and surrounds the outer wall of the high-density polyethylene layer 4 by taking the neutral point of the insulating layer 2 as the axis to be fixedly connected, the toughness of the cable is increased while the heat preservation effect of the cable is increased, because the first heat preservation layer 5 presents a triangle shape and surrounds the outer wall of the high-density polyethylene layer 4 by taking the neutral point of the insulating layer 2 as the axis to be fixedly connected, the toughness of the cable is increased when the cable heat preservation effect is increased, and the high and low temperature resistant effect of the powerful condition device main body is good.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a for military use special flexible cable of resistant high low temperature, includes cable core (1), its characterized in that: the cable comprises a cable core (1), and is characterized in that an insulating layer (2) wraps the outer wall of the cable core (1), an irradiation crosslinked polyethylene layer (3) is stained with the outer wall of the insulating layer (2), a high-density polyethylene layer (4) is connected with the outer wall of the irradiation crosslinked polyethylene layer (3), a first heat-insulating layer (5) is fixed on the outer wall of the high-density polyethylene layer (4), a first spraying layer (6) is sprayed on the outer wall of the first heat-insulating layer (5), a heat-insulating component (10) is connected with the outer wall of the first spraying layer (6), a second heat-insulating layer (8) is arranged on the outer wall of the heat-insulating component (10), a second spraying layer (7) is sprayed on the position where the outer wall of the second heat-insulating layer (8) is connected with the heat-insulating component (10), and a protective layer (9) is arranged at the top end of the second heat-insulating layer (8);

the heat preservation subassembly (10) is including heat preservation gasbag (101) that contact with second heat preservation (8), the inside of heat preservation gasbag (101) is fixed with spring (102), spring (102) top both sides are connected with first swinging arms (103), second swinging arms (105) are installed to spring (102) bottom both sides, one side at movable plate (104) is connected through the pivot in first swinging arms (103) and second swinging arms (105).

2. The military high and low temperature resistant special flexible cable according to claim 1, characterized in that: the first heat preservation layer (5) is in a triangular shape and surrounds the outer wall of the high-density polyethylene layer (4) by taking the neutral point of the insulating layer (2) as an axis to be fixedly connected.

3. The military high and low temperature resistant special flexible cable according to claim 1, characterized in that: the second insulating layer (8) is in an inverted triangle shape and is fixedly connected with the inner wall of the protective layer (9) in a surrounding mode by taking the neutral point of the insulating layer (2) as an axis.

4. The military high and low temperature resistant special flexible cable according to claim 1, characterized in that: the interior packing of insulating layer (2) has fire-retardant glass spacing, first spraying layer (6) are ceramic polyolefin spraying layer, second spraying layer (7) are carbon fiber epoxy spraying layer, protective layer (9) are chlorinated polyethylene rubber and constitute.

5. The military high and low temperature resistant special flexible cable according to claim 1, characterized in that: the outer wall of the second heat-insulating layer (8) is sprayed with composite silicate paint.

6. The military high and low temperature resistant special flexible cable according to claim 1, characterized in that: the inner part of the first heat-insulating layer (5) is filled with a sepiolite wool product, the inner part of the second heat-insulating layer (8) is filled with a calcium silicate heat-insulating product, and the outer wall of the first heat-insulating layer (5) is meshed with the outer wall of the second heat-insulating layer (8).