CN213752054U

CN213752054U - Non-magnetic metal wire armored polyethylene sheath power cable

Info

Publication number: CN213752054U
Application number: CN202023117756.4U
Authority: CN
Inventors: 徐惠平; 夏涛; 徐广宇
Original assignee: Jiangsu Yujiu Cable Technology Co ltd
Current assignee: Jiangsu Yujiu Cable Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-07-20
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a non-magnetic metal wire armor polyethylene sheath power cable relates to power cable technical field, for solving current power cable and lacking effectual safety protection mechanism at the in-process that uses, leads to the shorter problem of power cable life-span when outdoor use. The outside of cable main part is provided with the polyethylene oversheath, the inside of polyethylene oversheath is provided with the aluminium silk armor, the inside of aluminium silk armor is provided with the polytetrafluoroethylene bed course, install the cable jacket on the outer wall of cable main part, all be provided with the connecting seat on the both sides outer wall of cable jacket, two the one end of connecting seat is provided with connection picture peg and adapter sleeve respectively, be provided with buffer spring between connection picture peg and adapter sleeve and the connecting seat, the inside of connecting picture peg and adapter sleeve all is provided with corresponding groove, and corresponds the groove and connect picture peg and adapter sleeve integrated into one piece setting, the inside of connecting seat is provided with well recess.

Description

Non-magnetic metal wire armored polyethylene sheath power cable

Technical Field

The utility model relates to a power cable technical field specifically is a non-magnetic metal wire armor polyethylene sheath power cable.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and has a gradually increasing proportion in the power line. The power cable is a cable product used for transmitting and distributing high-power electric energy in a main line of a power system, and comprises various voltage grades of 1-500KV and above, and various insulated power cables, wherein the basic structure of the power cable comprises four parts, namely a wire core, an insulating layer, a shielding layer and a protective layer, the wire core is a conductive part of the power cable and is used for transmitting electric energy and is a main part of the power cable, the insulating layer is used for electrically isolating the wire core from the ground and the wire cores of different phases so as to ensure the transmission of the electric energy and is an indispensable component in the structure of the power cable, the power cable of 15KV and above generally comprises a conductor shielding layer and an insulation shielding layer, and the protective layer is used for protecting the power cable from the invasion of external impurities and moisture and preventing external force from directly damaging the power cable.

The problem that the service life of a power cable is short when the power cable is used outdoors is caused due to the fact that an effective safety protection mechanism is lacked in the using process of the existing power cable, and therefore a non-magnetic metal wire armored polyethylene sheath power cable is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a non-magnetic metal wire armor polyethylene sheath power cable to the in-process sealing performance that current heparin sodium shredding device who proposes in solving above-mentioned background art was using is relatively poor, leads to heparin sodium to appear the problem of weing easily when smashing the back and holding.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a non-magnetic metal wire armoured polyethylene sheath power cable, includes the cable main part, the outside of cable main part is provided with the polyethylene oversheath, the inside of polyethylene oversheath is provided with the aluminium silk armor, the inside of aluminium silk armor is provided with the polytetrafluoroethylene bed course, install the cable overcoat on the outer wall of cable main part, all be provided with the connecting seat on the both sides outer wall of cable overcoat, two the one end of connecting seat is provided with connection picture peg and adapter sleeve respectively, be provided with buffer spring between connection picture peg and adapter sleeve and the connecting seat.

Preferably, the inside of connecting picture peg and adapter sleeve all is provided with corresponding groove, and corresponds the groove and connect picture peg and adapter sleeve integrated into one piece setting, the inside of connecting seat is provided with the cavity groove, and cavity groove and connecting seat integrated into one piece setting, buffer spring's both ends pass through screw fixed connection with the cavity groove respectively with corresponding groove.

Preferably, the inside of connecting the picture peg is provided with the inserting groove, and the inserting groove sets up with connecting picture peg integrated into one piece, adjacent two the inside of connecting picture peg and adapter sleeve all is provided with the butt joint hole, and the butt joint hole sets up with connecting picture peg and adapter sleeve integrated into one piece.

Preferably, the both ends in butt joint hole all are provided with the port groove, the internally mounted in butt joint hole has the connecting rod, the both ends of connecting rod all are provided with the screw thread end, and screw thread end and connecting rod integrated into one piece set up, the screw thread end is located the inside in port groove.

Preferably, the threaded end is provided with a limit nut, the limit nut is fixedly installed with the connecting rod through the threaded end, and a sealing washer is installed below the limit nut.

Preferably, the inside of polytetrafluoroethylene bed course is provided with the band, the inside of band is provided with the rubber filling layer, the inside of rubber filling layer is provided with the conductor, and polyethylene oversheath, aluminium silk armor, polytetrafluoroethylene bed course, band, rubber filling layer and conductor all set up with cable main part integrated into one piece.

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

1. the utility model discloses power cable relies on each other through the cable overcoat in the in-process that uses, receives external force when taking place to rock when power cable, connects the inside buffer spring of picture peg and adapter sleeve and effectually cushions external force to reduce the range that power cable rocked, avoided adjacent power cable to take place the condition of knoing, reach the purpose to power cable safety protection, improved power cable's life.

2. After the power cable is erected and installed, the connecting inserting plates on the outer walls of the two adjacent cable main bodies are inserted into the inserting grooves in the connecting sleeves, then the connecting rods are inserted into the butt-joint holes in the connecting sleeves and the connecting inserting plates, and the limiting nuts are installed at the two ends of the connecting rods, so that the purpose of fastening the connecting inserting plates and the connecting sleeves in a matched inserting mode is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the cable main body assembly structure of the present invention.

Fig. 3 is an enlarged schematic view of the structure of part a of the present invention.

Fig. 4 is the schematic view of the installation structure of the connection inserting plate and the connection sleeve of the present invention.

In the figure: 1. a cable body; 2. a polyethylene outer jacket; 3. an aluminum wire armor layer; 4. a polytetrafluoroethylene cushion layer; 5. wrapping belts; 6. a rubber filler layer; 7. a conductor; 8. a cable jacket; 9. a connecting seat; 10. connecting the plugboards; 11. a butt joint hole; 12. connecting sleeves; 13. a port slot; 14. a hollow groove; 15. a corresponding groove; 16. a buffer spring; 17. a sealing gasket; 18. a connecting rod; 19. a limit nut; 20. inserting grooves; 21. a threaded end.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a non-magnetic metal wire armoured polyethylene sheath power cable, including cable main part 1, cable main part 1's outside is provided with polyethylene oversheath 2, the inside of polyethylene oversheath 2 is provided with aluminium silk armor 3, the inside of aluminium silk armor 3 is provided with polytetrafluoroethylene bed course 4, install cable jacket 8 on cable main part 1's the outer wall, all be provided with connecting seat 9 on cable jacket 8's the both sides outer wall, the one end of two connecting seats 9 is provided with connection picture peg 10 and adapter sleeve 12 respectively, be provided with buffer spring 16 between connection picture peg 10 and adapter sleeve 12 and the connecting seat 9.

Further, the inside of connecting picture peg 10 and adapter sleeve 12 all is provided with corresponding groove 15, and correspond groove 15 and connect picture peg 10 and adapter sleeve 12 integrated into one piece setting, the inside of adapter sleeve 9 is provided with cavity groove 14, and cavity groove 14 sets up with adapter sleeve 9 integrated into one piece, buffer spring 16's both ends pass through screw fixed connection with cavity groove 14 and corresponding groove 15 respectively, the corresponding groove 15 that the inside of connecting picture peg 10 and adapter sleeve 12 all set up plays the effect of being convenient for buffer spring 16 and connecting picture peg 10 and adapter sleeve 12 fixed connection.

Further, the connection inserting plate 10 is provided with an inserting groove 20 inside, the inserting groove 20 and the connection inserting plate 10 are integrally formed, the adjacent two connection inserting plates 10 and the connecting sleeve 12 are provided with a butt joint hole 11 inside, the butt joint hole 11, the connection inserting plate 10 and the connecting sleeve 12 are integrally formed, and the inserting groove 20 arranged inside the connection inserting plate 10 plays a role in facilitating the insertion and installation of the connection inserting plate 10 and the connecting sleeve 12.

Further, all be provided with port groove 13 at the both ends of butt joint hole 11, butt joint hole 11's internally mounted has connecting rod 18, and connecting rod 18's both ends all are provided with screw thread end 21, and screw thread end 21 sets up with connecting rod 18 integrated into one piece, and screw thread end 21 is located port groove 13's inside, and port groove 13 that butt joint hole 11's both ends all set up plays the effect that bears and hold seal ring 17 and stop nut 19.

Further, the threaded end 21 is provided with a limit nut 19, the limit nut 19 is fixedly mounted with the connecting rod 18 through the threaded end 21, a sealing washer 17 is mounted below the limit nut 19, and the limit nut 19 mounted on the threaded end 21 plays a role in fixing the connecting rod 18 inside the butt joint hole 11.

Further, the inside of polytetrafluoroethylene bed course 4 is provided with band 5, the inside of band 5 is provided with rubber filling layer 6, the inside of rubber filling layer 6 is provided with conductor 7, and polyethylene oversheath 2, aluminium silk armor 3, polytetrafluoroethylene bed course 4, band 5, rubber filling layer 6 and conductor 7 all set up with 1 integrated into one piece of cable main part, polyethylene oversheath 2, aluminium silk armor 3, polytetrafluoroethylene bed course 4, band 5, rubber filling layer 6 and conductor 7 play the effect of constituteing nonmagnetic wire armor polyethylene sheath power cable.

The working principle is as follows: when in use, the cable jackets 8 are arranged on the outer walls of the cable main bodies 1 through viscose glue, after the power cables are erected and installed, the connecting inserting plates 10 on the outer walls of the two adjacent cable main bodies 1 are inserted into the inserting grooves 20 in the connecting sleeves 12, then the connecting rods 18 are inserted into the connecting holes 11 in the connecting sleeves 12 and the connecting inserting plates 10, and the limiting nuts 19 are arranged at the two ends of the connecting rods 18, so that the aim of fastening the connecting inserting plates 10 and the connecting sleeves 12 in a matching and inserting manner is achieved, the power cables are supported by the cable jackets 8 in the use process, when the power cables shake due to external force, the buffer springs 16 in the connecting inserting plates 10 and the connecting sleeves 12 effectively buffer the external force, the shaking amplitude of the power cables is reduced, the knotting of the adjacent power cables is avoided, and the aim of safety protection of the power cables is achieved, the service life of the power cable is prolonged, and the use work of the power cable with the non-magnetic metal wire armored polyethylene sheath is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 non-magnetic metal wire armoured polyethylene sheath power cable, includes cable main part (1), its characterized in that: the outside of cable main part (1) is provided with polyethylene oversheath (2), the inside of polyethylene oversheath (2) is provided with aluminium silk armor (3), the inside of aluminium silk armor (3) is provided with polytetrafluoroethylene bed course (4), install cable jacket (8) on the outer wall of cable main part (1), all be provided with connecting seat (9) on the both sides outer wall of cable jacket (8), two the one end of connecting seat (9) is provided with respectively connects picture peg (10) and adapter sleeve (12), be provided with buffer spring (16) between connection picture peg (10) and adapter sleeve (12) and connecting seat (9).

2. A non-magnetic wire-armored polyethylene sheath power cable according to claim 1, wherein: connect picture peg (10) and adapter sleeve (12) inside all be provided with corresponding groove (15), and correspond groove (15) and connect picture peg (10) and adapter sleeve (12) integrated into one piece setting, the inside of connecting seat (9) is provided with well recess (14), and well recess (14) and connecting seat (9) integrated into one piece setting, the both ends of buffer spring (16) pass through screw fixed connection with well recess (14) and corresponding groove (15) respectively.

3. A non-magnetic wire-armored polyethylene sheath power cable according to claim 1, wherein: the inside of connecting picture peg (10) is provided with inserting groove (20), and inserting groove (20) and connecting picture peg (10) integrated into one piece setting, adjacent two the inside of connecting picture peg (10) and adapter sleeve (12) all is provided with butt joint hole (11), and butt joint hole (11) and connecting picture peg (10) and adapter sleeve (12) integrated into one piece setting.

4. A non-magnetic wire-armored polyethylene sheath power cable according to claim 3, wherein: the both ends of butt joint hole (11) all are provided with port groove (13), the internally mounted of butt joint hole (11) has connecting rod (18), the both ends of connecting rod (18) all are provided with screw thread end (21), and screw thread end (21) and connecting rod (18) integrated into one piece set up, screw thread end (21) are located the inside in port groove (13).

5. The non-magnetic wire-armored polyethylene sheath power cable according to claim 4, wherein: install limit nut (19) on screw thread end (21), and limit nut (19) pass through screw thread end (21) and connecting rod (18) fixed mounting, seal ring (17) are installed to the below of limit nut (19).

6. A non-magnetic wire-armored polyethylene sheath power cable according to claim 1, wherein: the cable is characterized in that a wrapping tape (5) is arranged inside the polytetrafluoroethylene cushion layer (4), a rubber filling layer (6) is arranged inside the wrapping tape (5), a conductor (7) is arranged inside the rubber filling layer (6), and the polyethylene outer sheath (2), the aluminum wire armor layer (3), the polytetrafluoroethylene cushion layer (4), the wrapping tape (5), the rubber filling layer (6) and the conductor (7) are all integrally formed with the cable main body (1).