CN214847792U

CN214847792U - Pressure-resistant high-temperature-resistant control cable

Info

Publication number: CN214847792U
Application number: CN202121354174.XU
Authority: CN
Inventors: 王森磊; 丁强
Original assignee: Qingdao Tongli Cable Co ltd
Current assignee: Qingdao Tongli Cable Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-23
Anticipated expiration: 2031-06-17

Abstract

The utility model belongs to the technical field of the cable, especially, be a high temperature resistant control cable of resistance to compression, including the protective layer, the internal surface fixed connection heat preservation of protective layer, the internal surface fixed connection insulating layer of heat preservation, the internal surface fixed connection shielding layer of insulating layer, the internal surface fixed joint of shielding layer has the supporting layer, the fixed support core that has cup jointed in middle part of supporting layer inner chamber, the internal surface circumference of supporting layer has evenly cup jointed the cable core that is located the support core surface, the inside packing of supporting layer has the surface that is located the support core, the packing granule between the surface of cable core and the internal surface of supporting layer. The utility model discloses a setting of shielding layer and supporting layer utilizes seting up of draw-in groove and card strip, can let the card strip cover in the inside of draw-in groove for this cable can remain stable shape at the in-process that uses, avoids making the cable take place the broken cracked condition because the extrusion that external force caused, thereby has improved this control cable's practicality.

Description

Pressure-resistant high-temperature-resistant control cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a high temperature resistant control cable of resistance to compression.

Background

The control cable is a polyvinyl chloride insulation and polyvinyl chloride sheath control cable which is suitable for industrial and mining enterprises, energy traffic departments, and occasions such as control and protection circuits with alternating current rated voltage of below four hundred fifty to seven hundred fifty volts, and the like, the cable is used for transmitting and distributing high-power electric energy in a main line of an electric power system, and the control cable directly transmits the electric energy to power supply connecting circuits of various electric equipment appliances from a distribution point of the electric power system.

However, in the prior art, because the control cable is consistent with most cables in the production process, the strength of the control cable is supported by the characteristics of materials, and the cables are extruded by external force in the use process, so that the cables are easily damaged and broken, the service life of the cables is shortened, and the direct loss of economic properties is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a compression-resistant and high-temperature-resistant control cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high temperature resistant control cable of resistance to compression, includes the protective layer, the internal surface fixedly connected with heat preservation of protective layer, the internal surface fixedly connected with insulating layer of heat preservation, the internal surface fixedly connected with shielding layer of insulating layer, the internal surface fixed joint of shielding layer has the supporting layer, the fixed support core that has cup jointed in middle part of supporting layer inner chamber, the internal surface circumference of supporting layer has evenly cup jointed the cable core that is located the support core surface, the inside packing of supporting layer has the filling granule that is located between the internal surface of the surface of support core, cable core's surface and supporting layer.

Preferably, the inner surface of the shielding layer is provided with six clamping grooves, and the six clamping grooves are circumferentially and uniformly arranged on the inner surface of the shielding layer.

Preferably, the outer surface of the supporting layer is fixedly provided with six clamping strips, and the six clamping strips are circumferentially and uniformly fixed on the outer surface of the supporting layer.

Preferably, the number of the cable cores is six, and the six cable cores are uniformly distributed between the inner surface of the supporting layer and the outer surface of the cable core in the circumferential direction.

Preferably, the interior of the shielding layer is filled with filler particles located between the inner surface of the shielding layer and the outer surface of the support layer.

Preferably, the cable core is formed by twisting a plurality of cable wires, and the outer surface of the cable core is wrapped with an insulating sheath.

Compared with the prior art, the beneficial effects of the utility model are that: at first, the device utilizes seting up of draw-in groove and card strip through the setting of shielding layer and supporting layer, can let the card strip cover in the inside of draw-in groove for this cable can remain stable shape at the in-process that uses, avoids the extrusion that causes because external force to make the cable take place the broken cracked condition, thereby has improved this control cable's practicality.

The utility model is simple in operation, convenient to use set up through cable core quantity, utilize supporting layer and support core to the parcel effect of cable core, can make the steady inside of fixing at the supporting layer of cable core, avoid the skew of cable core on the inside emergence position of cable to cause the wearing and tearing of cable core surface insulation skin to this control cable's suitability has been improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a protective layer; 2. a heat-insulating layer; 3. an insulating layer; 4. a shielding layer; 5. a support layer; 6. a support core; 7. a cable core; 8. and (4) filling particles.

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, the present invention provides a technical solution: the utility model provides a resistance to compression high temperature resistant control cable, including protective layer 1, the internal surface fixed connection of protective layer 1 has heat preservation 2, heat preservation 2 is made by glass fiber, the internal surface fixed connection of heat preservation 2 has insulating layer 3, the internal surface fixed connection of insulating layer 3 has shielding layer 4, the internal surface fixed joint of shielding layer 4 has supporting layer 5, the middle part of supporting layer 5 inner chamber is fixed to be cup jointed and is supported core 6, the internal surface circumference of supporting layer 5 evenly cup joints cable core 7 that is located the external surface of supporting core 6, the inside packing that is located the external surface of supporting core 6, packing granule 8 between the external surface of cable core 7 and the internal surface of supporting layer 5;

the inner surface of the shielding layer 4 is provided with six clamping grooves, the six clamping grooves are circumferentially and uniformly formed in the inner surface of the shielding layer 4, and the arrangement of the clamping grooves and the clamping strips can ensure that the cable is prevented from being damaged due to serious deformation when the cable is subjected to external extrusion force;

the outer surface of the supporting layer 5 is fixedly provided with six clamping strips, and the six clamping strips are uniformly fixed on the outer surface of the supporting layer 5 in the circumferential direction;

the number of the cable cores 7 is six, the six cable cores 7 are uniformly distributed between the inner surface of the supporting layer 5 and the outer surface of the cable cores 7 in the circumferential direction, and the cable cores 7 and the supporting cores 6 are sleeved in the supporting layer 5, so that the stability of the supporting layer 5 to external extrusion force can be improved;

the inside of the shielding layer 4 is filled with filling particles 8 positioned between the inner surface of the shielding layer 4 and the outer surface of the supporting layer 5, and the filling of the filling particles 8 can increase the strength of the cable in use;

the cable core 7 is made by many cable conductor transposition, and the surface parcel of cable core 7 has insulating skin, and the transmission efficiency of power can be improved to the cable core 7 that many cable conductor transposition was made, and the condition appearance that the mutual friction between each cable core 7 can be avoided appearing damaging easily to insulating skin.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a resistance to compression high temperature resistant control cable, includes protective layer (1), its characterized in that: the inner surface fixed connection of protective layer (1) has heat preservation (2), the inner surface fixed connection of heat preservation (2) has insulating layer (3), the inner surface fixed connection of insulating layer (3) has shielding layer (4), the inner surface fixed joint of shielding layer (4) has supporting layer (5), the fixed support core (6) that has cup jointed in middle part of supporting layer (5) inner chamber, the internal surface circumference of supporting layer (5) evenly cup joints cable core (7) that are located support core (6) surface, the inside packing of supporting layer (5) has the packing granule (8) that are located between the surface of support core (6), the surface of cable core (7) and the internal surface of supporting layer (5).

2. The pressure-resistant high-temperature-resistant control cable according to claim 1, wherein: the inner surface of the shielding layer (4) is provided with six clamping grooves, and the six clamping grooves are circumferentially and uniformly arranged on the inner surface of the shielding layer (4).

3. The pressure-resistant high-temperature-resistant control cable according to claim 1, wherein: the outer surface of the supporting layer (5) is fixedly provided with six clamping strips, and the six clamping strips are circumferentially and uniformly fixed on the outer surface of the supporting layer (5).

4. The pressure-resistant high-temperature-resistant control cable according to claim 1, wherein: the number of the cable cores (7) is six, and the six cable cores (7) are circumferentially and uniformly distributed between the inner surface of the supporting layer (5) and the outer surface of the cable cores (7).

5. The pressure-resistant high-temperature-resistant control cable according to claim 1, wherein: the interior of the shielding layer (4) is filled with filling particles (8) between the inner surface of the shielding layer (4) and the outer surface of the supporting layer (5).

6. The pressure-resistant high-temperature-resistant control cable according to claim 1, wherein: the cable core (7) is formed by twisting a plurality of cable conductors, and the outer surface of the cable core (7) is wrapped with an insulating sheath.