CN213025490U

CN213025490U - PVC power cable for high strength

Info

Publication number: CN213025490U
Application number: CN202021971011.1U
Authority: CN
Inventors: 庄轲; 庄岗岗; 周欣欣; 韩丹丹
Original assignee: Zhuangfei Cable Co ltd
Current assignee: Zhuangfei Cable Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-04-20
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a PVC power cable for high strength, including PVC protective tube sheath and the cable conductor that the ring was established at PVC protective tube sheath inboard, set up resistance to compression subassembly between PVC protective tube sheath and the cable conductor, resistance to compression subassembly includes first fixed block, the second fixed block, spring and connecting rod, the spring ring is established on the connecting rod, the connecting rod top is connected with first fixed block, the connecting rod bottom is connected with the second fixed block, the second fixed block bottom is connected with the cable conductor outside, the first fixed block top is connected with PVC protective tube sheath inboard, the cable conductor includes the cable core, protective layer and decompression layer, the decompression layer ring is established on the protective layer, the protection cyclization is established on the cable core, the decompression layer includes restrictive coating, buffer layer and armor, restrictive coating ring is established on the buffer layer, the buffer layer ring is established in the armor layer outside, the utility model discloses a resistance to compression subassembly and resistance to compression layer make the cable conductor have very high strength, simple structure.

Description

PVC power cable for high strength

Technical Field

The utility model relates to a cable field especially relates to a PVC power cable for high strength.

Background

With the development of society, cables are spread in various industries, information tends to be automated at present, information transmission and energy transportation are carried out through the cables, the cables are electric energy or signal transmission devices, generally, the cables are made of several or several groups of wires, one or more mutually insulated conductors and an outer insulating protection layer, the wires for transmitting electric power or information from one place to another place are generally stranded cables similar to ropes formed by several or several groups of wires, each group of wires are mutually insulated and are usually twisted around a center, the whole outer surface is wrapped by a highly insulating covering layer, and the cables have the characteristics of internal electrification and external insulation.

Most of the existing cables are composed of sheaths and cable cores, the cables are protected through different functions of the sheaths, energy and information are effectively transmitted, people's life is facilitated, and the information era is realized.

Present cable is through being become by the sheath with the cable core, plays the effect of protection to the cable core through the sheath, but present cable is basically distributed in the underground, and the external pressure that often bears is great, because intensity is too low, can cause the cable to damage like this, shortens the life of cable, produces very big inconvenience to people's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PVC power cable for high strength to solved among the prior art because of at the bottom of the intensity, and caused the cable to damage, shortened cable conductor life's technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

the utility model provides a PVC power cable for high strength, includes the PVC pillar and encircles the cable conductor of establishing in the PVC pillar inboard, the PVC pillar with set up the resistance to compression subassembly between the cable conductor.

Resistance to compression subassembly includes first fixed block, second fixed block, spring and connecting rod, the spring ring is established on the connecting rod, the connecting rod top with first fixed block is connected, the connecting rod bottom with the second fixed block is connected, the second fixed block with the cable conductor outside is connected, first fixed block with the PVC pillar inboard is connected, the cable conductor includes cable core, protective layer and decompression layer, the decompression layer ring is established on the protective layer, the protective layer ring is established on the cable core, the decompression layer includes inoxidizing coating, buffer layer and armor, the inoxidizing coating ring is established on the buffer layer, the buffer layer ring is established the armor outside, the armor ring is established on the protective layer.

Preferably, the protective layer includes shielding layer, winding layer and insulating layer, the shielding layer encircles and establishes on the winding layer, the winding layer encircles and establishes on the insulating layer, the insulating layer encircles and establishes on the cable core, the shielding layer with be equipped with the wire between the winding layer.

Preferably, cable conductor central point puts and sets up four fixed plates, fixed plate mutually perpendicular connects, the fixed plate divide into four regions with the cable core, the cable core distributes in four regions, the fixed plate top is worn to establish the insulating layer with the winding layer inboard is connected, the material of fixed plate is PVC.

Preferably, a PVC insulating sheath is arranged on the outer side of the cable core.

Preferably, a decompression ball is arranged in the buffer layer, and the decompression ball is arranged outside the armor layer in a ring mode.

The utility model has the advantages that:

the utility model relates to a PVC power cable for high strength, PVC protective tube ring is established on the cable conductor, play the effect of protection to the cable conductor through the PVC protective tube, make the cable have the effect of resistance to compression, the spring ring is established on the connecting rod, the connecting rod top is connected with first fixed block, the connecting rod bottom is connected with the second fixed block, the second fixed block bottom is connected with the cable conductor outside, the first fixed block top is connected with PVC protective tube inboard, the first fixed block is connected with the second fixed block through the connecting rod, when the outside receives pressure, through the effect of spring to the buffering of pressure, it is that the cable has the effect of high strength, the inoxidizing coating ring is established on the buffer layer, the buffer layer ring is established in the armor outside, the armor ring is established on the protective layer, the buffer layer is provided with the decompression ball, when receiving pressure externally, can make the cable conductor have the effect of buffering to pressure, the armor has the characteristic of, protect the cable, the utility model discloses a PVC pillar, resistance to compression subassembly and buffer layer make the cable conductor have the characteristic of high strength.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic block diagram of the overall structure of a high-strength PVC power cable according to the present invention;

FIG. 2 is a schematic structural view of a high-strength PVC power cable according to the present invention;

fig. 3 is the utility model relates to a structural schematic diagram of PVC power cable resistance to compression subassembly for high strength.

Reference numerals: 1. PVC protective pipe; 2. a cable wire; 3. a compression resistant assembly; 201. a cable core; 202. A protective layer; 203. a pressure reducing layer; 204. a protective layer; 205. a buffer layer; 206. an armor layer; 207. a shielding layer; 208. a winding layer; 209. an insulating layer; 210. a metal wire; 211. a fixing plate; 212. a PVC insulating sheath; 213. a pressure reducing ball; 301. a first fixed block; 302. a second fixed block; 303. a spring; 304. a connecting rod.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is shown that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the utility model provides a PVC power cable scheme for high strength:

the utility model provides a PVC power cable for high strength, includes the PVC pillar and encircles and establish at 1 inboard cable conductor 2 of PVC pillar, sets up resistance to compression subassembly 3 between PVC pillar 1 and the cable conductor 2.

The pressure-resistant assembly 3 comprises a first fixed block 301, a second fixed block 302, a spring 303 and a connecting rod 304, the spring 303 is annularly arranged on the connecting rod 304, the top end of the connecting rod 304 is connected with the first fixed block 301, the bottom end of the connecting rod 304 is connected with the second fixed block 302, the second fixed block 302 is connected with the outer side of the cable conductor 2, the first fixed block 301 is connected with the inner side of the PVC protective pipe 1, the cable conductor 2 comprises a cable core 201, a protective layer 202 and a pressure reducing layer 203, the pressure reducing layer 203 is annularly arranged on the protective layer 202, the protective layer 202 is annularly arranged on the cable core 201, the pressure reducing layer 203 comprises a protective layer 204, a buffer layer 205 and an armor layer 206, the protective layer 204 is annularly arranged on the buffer layer 205, the buffer layer 205 is annularly arranged on.

Protective layer 202 includes shielding layer 207, winding layer 208 and insulating layer 209, shielding layer 207 encircles and establishes on winding layer 208, winding layer 208 encircles and establishes on insulating layer 209, insulating layer 209 encircles and establishes on cable core 201, be equipped with wire 210 between shielding layer 207 and the winding layer 208, winding layer 208's material is polymer material, shielding layer 207 can be smooth derive interference signal, still have the ability of anti buckling and avoid the metal piece to influence other power equipment, winding layer 208 prevents that the shielding layer from hurting the insulating layer, also increase the holistic mechanical function of cable, insulating layer 209 has high temperature resistant and insulating effect.

2 central point of cable conductor puts and sets up four fixed plates 211, and fixed plate 211 mutually perpendicular connects, and fixed plate 211 divide into four regions with cable core 201, and cable core 201 distributes in four regions, and insulating layer 209 and winding layer 208 inboard are worn out to establish on fixed plate 211 top and are connected, and the material of fixed plate 211 is PVC, can play the effect of support through fixed plate 211, has certain intensity.

The outside of the cable core 201 is provided with a PVC insulating sheath 212, and the fixing plate 211 prevents the cable core 201 from contacting fire.

The pressure reducing balls 213 are provided in the buffer layer 205, the pressure reducing balls 213 are provided around the outer side of the armor layer 206, and the pressure reducing balls 213 exert a pressure reducing force under the action of external pressure.

The working principle and the using process of the utility model are that at first PVC protective pipe and ring are arranged at the cable 2 at the inner side of PVC protective pipe 1, the cable 2 is protected to the resistance to compression and is protected through the PVC protective pipe, the resistance to compression subassembly 3 includes first fixed block 301, second fixed block 302, spring 303 and connecting rod 304, first fixed block 301 passes through connecting rod 304 and is connected with second fixed block 302, spring 303 encircles on connecting rod 304, when contacting the external pressure, the PVC protective pipe can cushion the external pressure through spring 303, the characteristic with high strength, decompression layer 203 includes inoxidizing coating 204, buffer layer 205 and armor 206, cushion the external pressure through decompression ball 213 inside buffer layer 205, the effect of reducing pressure, armor 206 has the effect of high strength, the effect of supporting to the outside, make cable 1 have the effect of high strength, protective layer 202 includes shielding layer 207, the effect of shielding layer 207, Winding layer 208 and insulating layer 209, shielding layer 207, winding layer 208 and insulating layer 209 have different guard action to cable core 201, and 2 central point of cable conductor puts and sets up fixed plate 211, makes cable core 201 evenly distributed on insulating layer 209 through fixed plate 211, and insulating layer 209 and winding layer 208 inboard are connected are worn out to establish on fixed plate 211 top, have certain intensity, the utility model discloses a PVC pillar, resistance to compression subassembly 3 and decompression layer 203 have the life of the effect extension cable of high strength.

The basic principles, main features and advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and only the preferred embodiments of the present invention are described in the above embodiments and the description, and the present invention is not limited by the above embodiments, and the present invention can also have various changes and improvements, which fall within the scope of the claimed invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PVC power cable for high strength which characterized in that: comprises a PVC protective pipe (1) and a cable (2) annularly arranged at the inner side of the PVC protective pipe (1); a compression-resistant component (3) is arranged between the PVC protective pipe (1) and the cable (2);

the compression-resistant assembly (3) comprises a first fixed block (301), a second fixed block (302), a spring (303) and a connecting rod (304); the spring (303) is arranged on the connecting rod (304) in a surrounding mode; the top end of the connecting rod (304) is connected with the first fixing block (301); the bottom end of the connecting rod (304) is connected with the second fixed block (302); the second fixing block (302) is connected with the outer side of the cable (2); the first fixing block (301) is connected with the inner side of the PVC protective pipe (1); the cable wire (2) comprises a cable core (201), a protective layer (202) and a pressure reducing layer (203); the pressure reducing layer (203) is arranged on the protective layer (202) in an annular mode; the protective layer (202) is arranged on the cable core (201) in a surrounding mode; the pressure reduction layer (203) comprises a protective layer (204), a buffer layer (205) and an armor layer (206); the protective layer (204) is arranged on the buffer layer (205) in an encircling manner; the buffer layer (205) is arranged at the outer side of the armor layer (206) in an annular mode; the armor (206) is disposed around the protective layer (202).

2. A high strength PVC power cable in accordance with claim 1, wherein: protective layer (202) include shielding layer (207), winding layer (208) and insulating layer (209), shielding layer (207) encircle and establish winding layer (208) are last, winding layer (208) encircle and establish on insulating layer (209), and insulating layer (209) encircle and establish on cable core (201), shielding layer (207) with be equipped with wire (210) between winding layer (208).

3. A high strength PVC power cable according to claim 2, characterized in that: cable conductor (2) central point puts and sets up four fixed plates (211), fixed plate (211) mutually perpendicular connects, the sectional area of fixed plate is the cross, fixed plate (211) divide into four regions with cable core (201), cable core (201) distribute in four regions, wear out on fixed plate (211) top insulating layer (209) with winding layer (208) inboard is connected, the material of fixed plate (211) is PVC.

4. A high strength PVC power cable according to claim 3, characterized in that: and a PVC insulating sheath (212) is arranged on the outer side of the cable core (201).

5. A high strength PVC power cable in accordance with claim 1, wherein: the buffer layer (205) is internally provided with a pressure reducing ball (213), and the pressure reducing ball (213) is arranged outside the armor layer (206) in a surrounding manner.