CN210443309U

CN210443309U - Anti-cracking cable

Info

Publication number: CN210443309U
Application number: CN201921552365.XU
Authority: CN
Inventors: 葛赞栋
Original assignee: Fujian Henghui Cable Co Ltd
Current assignee: Fujian Henghui Cable Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-01
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a crack control cable, including the core bar, the outer wall of core bar is equipped with the bracket, four the outside laminating of bracket has the rubber sleeve, the inside of rubber sleeve has inserted many with the copper line, copper line and rubber sleeve interference fit, the sleeve has been cup jointed in the outside of rubber sleeve, telescopic outer wall is fixed and has been cup jointed the protective sheath. This crack control cable, through insulating cover, thermal-insulated sun-proof coating, the sleeve, the cooperation between rubber sleeve and the copper line, can make the cold-resistant ability of cable obtain strengthening, can effectually prevent that the cable from crossing the condition emergence that leads to the too fragile fracture of cable because of temperature is low excessively, through bent cover, the arc, the mantle, cooperation between first drum of branch and the second drum, when the cable receives external force impact, bent groove, the arc, cushion and first drum can absorb external force, can effectually prevent because of receiving the cable fracture that external force impact caused.

Description

Anti-cracking cable

Technical Field

The utility model relates to a cable crack control technical field specifically is a crack control cable.

Background

The cable may be classified into a power cable, a communication cable, a control cable, and the like according to its use. Compared with an overhead line, the cable has the advantages of small insulating distance between lines, small occupied space, no occupation of space above the ground due to underground laying, no influence of pollution of the surrounding environment, high power transmission reliability, small interference on personal safety and the surrounding environment and the like.

However, in the use process of the cable, the cable is easy to crack under the action of temperature or external force impact, for example, in northern areas of China, the temperature is generally 10 to 20 ℃ below zero in winter, so that the construction of general power cables, control cables and the like in the environment is easy to crack, and the insulation sheath is likely to crack when the cable is thrown or thrown in the construction process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crack control cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-cracking cable, includes the core bar, the outer wall of core bar is equipped with the bracket, four the outside laminating of bracket has the rubber sleeve, the inside of rubber sleeve has inserted many with the copper line, copper line and rubber sleeve interference fit, the sleeve has been cup jointed in the outside of rubber sleeve, telescopic outer wall is fixed to be cup jointed the protective sheath.

Preferably, the core bar comprises a steel core, a first cylinder, through holes and a second cylinder, the first cylinder is fixedly sleeved on the outer wall of the steel core, the plurality of through holes are formed in the front surface of the first cylinder, and the second cylinder is fixedly sleeved on the outer wall of the first cylinder.

Preferably, the bracket includes branch, arc and soft cover, branch runs through the second drum and offsets tightly with first drum, the other end rigid coupling of branch has the arc, the fixed cover that has connect of outer wall of arc has soft cover, soft cover offsets tightly with the sleeve.

Preferably, the radian of the outer side of the arc-shaped plate is the same as the radian of the inner wall of the sleeve.

Preferably, the protective sheath includes fibre cloth, fire retardant coating, bent cover, insulating cover and thermal-insulated sun-proof coating, the equal spraying of two surveys of the interior outer wall of fibre cloth has fire retardant coating, the inner wall and the telescopic outer wall of fibre cloth are fixed to be linked to each other, the outer wall of fibre cloth is fixed to have cup jointed bent cover, the outer wall of bent cover has cup jointed insulating cover, the inner wall spraying of insulating cover has thermal-insulated sun-proof coating, thermal-insulated sun-proof coating links to each other with bent cover is fixed.

Preferably, the inner diameter of the insulating sheath is greater than 0.5-1cm relative to the outer diameter of the fiber cloth.

Compared with the prior art, the beneficial effects of the utility model are that: this crack control cable, in the process of using, through insulating cover, thermal-insulated sun-proof coating, the sleeve, cooperation between rubber sleeve and the copper line, can make the cold-resistant ability of cable obtain strengthening, can effectually prevent that the cable from crossing the condition that leads to the too fragile fracture of cable to take place because of temperature is low excessively, through bent cover, the arc, soft cover, cooperation between first drum of branch and the second drum, when the cable receives external force impact, bent groove, the arc, cushion and first drum can absorb external force, make the toughness of cable obtain increasing, can effectually prevent because of receiving the cable fracture that external force impact caused.

Drawings

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

FIG. 2 is a schematic view of a coupling structure of the steel core, the supporting rod and the arc-shaped plate of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the arc plate, the rubber sleeve and the copper wire in FIG. 1;

fig. 4 is a schematic view of a connection structure of the rubber sleeve, the fiber cloth and the insulating sleeve of fig. 1.

In the figure: 1. a core bar; 101. a steel core; 102. a first cylinder; 103. a through hole; 104. a second cylinder; 2. a bracket; 201. a strut; 202. an arc-shaped plate; 203. a soft sleeve; 3. a rubber sleeve; 4. a copper wire; 5. a sleeve; 6. a protective sleeve; 601. fiber cloth; 602. a fire retardant coating; 603. sheathing with a curved sleeve; 604. an insulating sleeve; 605. a heat-insulating sun-proof coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a crack control cable technical scheme: the utility model provides an anti-cracking cable, including core bar 1, the outer wall of core bar 1 is equipped with bracket 2, the outside laminating of four brackets 2 has rubber sleeve 3, sleeve 5, bent cover 603 and insulating cover 604 are made by high density polyethylene, rubber sleeve 3's inside has inserted many with copper line 4, copper line 4 and rubber sleeve 3 interference fit, sleeve 5 has been cup jointed in rubber sleeve 3's the outside, protective sheath 6 has been cup jointed to sleeve 5's outer wall fixed, core bar 1 includes steel core 101, first drum 102, through-hole 103 and second drum 104, steel core 101's outer wall fixed coupling has first drum 102, first drum 102 and second drum 104 are made by the rubber material, certain toughness has under the normal temperature, open the front surface of first drum 102 has a plurality of through-holes 103, through-hole 103 can increase the toughness of first drum 102, first drum 102's outer wall fixed coupling has second drum 104, bracket 2 includes branch 201, rubber sleeve 3, The protective sleeve 6 comprises a fiber cloth 601, a fireproof coating 602, a curved sleeve 603, an insulating sleeve 604 and a heat-insulating and sun-proof coating 605, wherein the inner wall and the outer wall of the fiber cloth 601 are both sprayed with the fireproof coating 602, the fireproof coating 602 is made of materials such as fireproof cementing materials, the inner wall of the fiber cloth 601 is fixedly connected with the outer wall of the sleeve 5, the outer wall of the fiber cloth 601 is fixedly sleeved with the curved sleeve 603, the outer wall of the curved sleeve 603 is sleeved with the insulating sleeve 604, the inner wall of the insulating sleeve 604 is sprayed with the heat-insulating and sun-proof coating 605, the heat-insulating sun-proof coating 605 can reduce the surface temperature of an object by more than 20 ℃, can reduce the temperature to be more than 3 ℃ or be consistent with the atmospheric temperature in cloudy days and at night, the heat-insulating sun-proof coating 605 is made of base materials, heat reflection pigments, fillers, auxiliaries and the like, the heat-insulating sun-proof coating 605 is fixedly connected with the curved sleeve 603, the inner diameter of the insulating sleeve 604 is larger than 0.5-1cm relative to the outer diameter of the fiber cloth 601, and a certain radian can be ensured for the curved sleeve 603 between the insulating sleeve 604 and the fiber cloth 601.

When the anti-cracking cable is used, firstly, the four rubber sleeves 3 with the copper wires 4 inserted therein are respectively placed on the outer sides of the four arc-shaped plates 202, the rubber sleeves 3 are attached to the soft sleeves 203 on the outer walls of the arc-shaped plates 202, then the sleeves 5 are sleeved on the outer sides of the four rubber sleeves 3, then the outer walls of the sleeves 5 are fixedly sleeved with the protective sleeves 6, so that the anti-cracking cable can be normally used, in the using process, particularly in northern regions of China, the temperature is low, the situation that the cable is too brittle and cracked due to too low temperature can be effectively prevented through the heat-insulating sun-proof coating 605, in the using process, when the cable is impacted by external force, the curved sleeve 603 in the cable can absorb the external force more effectively, further, the arc-shaped plate 202 in the center in the cable can transmit the acting force to the inside of the first cylinder 102, and the toughness of the first cylinder 102 can be absorbed, the toughness of the cable is enhanced, the cable can be effectively prevented from cracking caused by external force impact, the fiber cloth 601 is made of carbon fiber cloth, and the cable can have a certain flame-retardant effect through the matching between the fiber cloth 601 and the fireproof coating 602 and is beneficial to the use of the cable.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, 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, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides an anti-cracking cable, includes core bar (1), its characterized in that: the outer wall of core bar (1) is equipped with bracket (2), four rubber sleeve (3) have been laminated in the outside of bracket (2), the inside of rubber sleeve (3) has inserted many with copper line (4), copper line (4) and rubber sleeve (3) interference fit, sleeve (5) have been cup jointed in the outside of rubber sleeve (3), protective sheath (6) have been cup jointed to the outer wall of sleeve (5) is fixed.

2. An anti-cracking cable according to claim 1, characterized in that: the core rod (1) comprises a steel core (101), a first cylinder (102), through holes (103) and a second cylinder (104), the first cylinder (102) is fixedly sleeved on the outer wall of the steel core (101), the front surface of the first cylinder (102) is provided with a plurality of through holes (103), and the second cylinder (104) is fixedly sleeved on the outer wall of the first cylinder (102).

3. An anti-cracking cable according to claim 1, characterized in that: the bracket (2) comprises a supporting rod (201), an arc-shaped plate (202) and a soft sleeve (203), the supporting rod (201) penetrates through a second cylinder (104) and is tightly propped against a first cylinder (102), the arc-shaped plate (202) is fixedly connected to the other end of the supporting rod (201), the soft sleeve (203) is fixedly sleeved on the outer wall of the arc-shaped plate (202), and the soft sleeve (203) is tightly propped against a sleeve (5).

4. An anti-cracking cable according to claim 3, characterized in that: the radian of the outer side of the arc-shaped plate (202) is the same as that of the inner wall of the sleeve (5).

5. An anti-cracking cable according to claim 1, characterized in that: protective sheath (6) are including fibre cloth (601), fire retardant coating (602), bent cover (603), insulating cover (604) and thermal-insulated sun-proof coating (605), the equal spraying of the interior outer wall of fibre cloth (601) has fire retardant coating (602), the inner wall of fibre cloth (601) links to each other with the outer wall of sleeve (5) is fixed, the outer wall of fibre cloth (601) is fixed to be cup jointed bent cover (603), the outer wall of bent cover (603) has cup jointed insulating cover (604), the inner wall spraying of insulating cover (604) has thermal-insulated sun-proof coating (605), thermal-insulated sun-proof coating (605) links to each other with bent cover (603) is fixed.

6. An anti-cracking cable according to claim 5, characterized in that: the inner diameter of the insulating sleeve (604) is larger than 0.5-1cm relative to the outer diameter of the fiber cloth (601).