CN212084725U

CN212084725U - Insulated high-voltage power cable

Info

Publication number: CN212084725U
Application number: CN201922429558.2U
Authority: CN
Inventors: 雷琴贤
Original assignee: Nanan Shufeng Machinery Technology Co Ltd
Current assignee: Nanan Shufeng Machinery Technology Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-12-04
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses an insulated high-voltage power cable, which comprises a sleeve, a lead-connection layer, a cable core, a shielding layer, an inner protective layer, a PVC sheath, a steel armor and an outer insulating sleeve, wherein the cable core of the utility model is covered with the connecting sleeve, the lead-connection layer, the shielding layer, the inner protective layer, the PVC sheath, the steel armor, the outer insulating sleeve and other protective sleeves, wherein the outer insulating sleeve is designed into a reinforced insulating sleeve, the sleeve body is made of PVC composite reinforced material, the sealing waterproof layer is a composite material layer with insulating property and is made of polyester material with non-conducting property and better heat resistance, the first supporting sheet and the second supporting sheet which are combined and balanced are embedded, the anti-skidding and limiting functions are better, the straight line corresponds to the wire inlet, the conduction port and the wire outlet, the installation wall surface corresponds to the linear straight-through way, and then improve power cable's insulating barrier propterty, effectively reduce the probability that dangerous accident takes place.

Description

Insulated high-voltage power cable

Technical Field

The utility model relates to an insulating high voltage power cable belongs to power cable technical field.

Background

The power cable is used for transmitting and distributing electric energy, and 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.

The quality of the service performance of the power cable has great influence on power supply, the service performance of the cable is easy to reduce due to single insulation protection, and dangerous accidents are easy to cause.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an insulating high voltage power cable to solve the good or bad great influence that has to the power supply of power cable performance, single insulation protection leads to cable usability to descend easily, very easily causes the problem of dangerous accident.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an insulating high voltage power cable, its structure includes the sleeve pipe, leads and connects layer, cable conductor, shielding layer, interior sheath, PVC sheath, steel armour, outer insulating cover, the cable conductor stranded is joined in interior sleeve pipe, the steel armour that interior sleeve pipe overcoat footpath was connected mutually, the outer annular wall of steel armour connects the PVC sheath, the PVC sheath ring is located cable conductor outer wall circle department, the transposition of sleeve pipe strand is inserted in interior sheath tube head, the corresponding steel armour of footpath line is cup jointed on the surface of interior sheath, the outer cover of establishing cover connection type outer insulating cover of cable conductor.

Furthermore, the outer insulating sleeve comprises a sleeve body, a wire inlet, a sealing waterproof layer, a first supporting sheet, a conduction port, a second supporting sheet and a wire outlet, the sleeve body is compositely provided with the sealing waterproof layer, the left opening position and the right opening position of the sealing waterproof layer form a corresponding wire inlet and a corresponding wire outlet, the wire inlet and the wire outlet are communicated with the conduction port, the first supporting sheet and the second supporting sheet are correspondingly clamped on the positions of the wire inlet and the wire outlet, and the sleeve body is arranged on the outer wall of the inner sleeve.

Further, the cable core is threaded into the opening of the conductive layer.

Further, the shielding layer annularly covers the outer wall of the sleeve.

Furthermore, the guide connection layer is correspondingly arranged on the left and right connection points of the sleeve.

Furthermore, the first supporting sheet and the second supporting sheet are respectively arranged at the left and right positions of the view of the conduction port.

Furthermore, the inner walls of the wire inlet and the wire outlet are in straight line butt joint with cable cores.

Advantageous effects

The utility model relates to an insulating high voltage power cable, embrace on the cable core line and cover continuous sleeve pipe, lead and connect the layer, the shielding layer, the inner sheath, the PVC sheath, the steel armour, multiple lag such as outer insulating sleeve, wherein outer insulating sleeve designs into reinforcement type insulating sleeve, the cover body adopts PVC composite reinforcement material to make, sealing and waterproof layer is a composite material layer with insulating characteristic, adopt the nonconducting, the better polyester material of heat resistance makes, embedded combination formula balance installation's first support piece, the second supports the piece, better antiskid has, limiting displacement, the corresponding inlet wire of straight line, the conduction mouth, the outlet, the linear direct-through of installation wall corresponds, and then improve power cable's insulating protection performance, effectively reduce the probability that the dangerous accident takes place.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of an insulated high-voltage power cable according to the present invention;

fig. 2 is the schematic view of the assembly structure of the external insulation sleeve of the present invention.

In the figure: the cable comprises a sleeve-1, a guide connection layer-2, a cable core-3, a shielding layer-4, an inner protection layer-5, a PVC sheath-6, a steel armor-7, an outer insulating sleeve-8, a sleeve body-61, a wire inlet-62, a sealing waterproof layer-63, a first supporting sheet-64, a conduction opening-65, a second supporting sheet-66 and a wire outlet-67.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: an insulated high-voltage power cable structurally comprises a sleeve 1, a lead-in layer 2, a cable core 3, a shielding layer 4, an inner sheath layer 5, a PVC sheath 6, a steel armor 7 and an outer insulating sleeve 8, wherein multiple strands of the cable core 3 are connected into an inner sleeve 1, the inner sleeve 1 is sleeved with the steel armor 7 in radial connection, the outer annular wall of the steel armor 7 is connected with the PVC sheath 6, the PVC sheath 6 is annularly arranged at the outer annular ring of the cable core 3, the strands of the sleeve 1 are stranded and connected into the pipe head of the inner sheath layer 5, the steel armor 7 corresponding to radial lines is sleeved on the surface of the inner sheath layer 5, the outer layer of the cable core 3 is covered with a sleeve-connected outer insulating sleeve 8, the outer insulating sleeve 8 comprises a sleeve body 61, a wire inlet 62, a sealed waterproof layer 63, a first supporting sheet 64, a conducting opening 65, a second supporting sheet 66 and a wire outlet 67, the sleeve body 61 is compounded with the sealed waterproof layer 63, the left opening and the right opening of the sealed waterproof layer 63, The wire outlet 67, the wire inlet 62, the wire outlet 67 are connected with the conduction port 65 in a penetrating manner, the first supporting sheet 64 and the second supporting sheet 66 are correspondingly clamped on the positions of the wire inlet 62, the wire outlet 67, the sleeve body 61 is arranged on the outer wall of the inner sleeve 1, the cable core 3 is connected in the opening of the conduction layer 2 in a penetrating manner, the shielding layer 4 is annularly covered on the outer wall of the sleeve 1, the conduction layer 2 is correspondingly arranged on the left and right contacts of the sleeve 1, the first supporting sheet 64 and the second supporting sheet 66 are respectively arranged on the left and right positions of the conduction port 65, and the inner walls of the wire inlet 62 and the wire outlet 67 are in butt joint with the cable core 3 in a straight line.

The waterproof sealing layer 63 is a composite material layer with insulating property, and is made of polyester material with non-conducting and good heat resistance, and the sleeve body 61 is made of PVC composite reinforced material.

For example: when the cable sheath is used, the cable core 3 is covered with the connecting sleeve 1, the guide connection layer 2, the shielding layer 4, the inner protection layer 5, the PVC sheath 6, the steel armor 7, the outer insulation sleeve 8 and other multiple protection sleeves, wherein the outer insulation sleeve 8 is designed into a reinforcement type insulation sleeve, the sleeve body 61 is made of PVC composite reinforcement materials, the sealing waterproof layer 63 is a composite material layer with insulation characteristics, the insulation and heat resistance polyester materials are adopted for manufacturing, the embedded combined type balance installation first supporting sheet 64 and the embedded combined type balance installation second supporting sheet 66 have good anti-skidding and limiting effects, the straight line corresponds to the wire inlet 62, the conduction opening 65 and the wire outlet 67, the installation wall surface corresponds to the straight line, the insulation and protection performance of the power cable is improved, and the probability of dangerous accidents is effectively reduced.

The utility model provides a problem be that power cable performance has great influence to the power supply, and single insulation protection leads to cable usability to descend easily, very easily causes dangerous accident, the utility model discloses a combination of each other of above-mentioned parts, insulation support design reinforcement type insulation support, the cover body adopts PVC composite reinforcement material to make, and sealing and waterproof layer is a composite material layer with insulating property, adopts non-conducting, the better polyester material of heat resistance makes, and the embedded sub-assembly that has better antiskid, limiting displacement, the linear straight-through of installation wall corresponds, and then improves power cable's insulation protection performance, effectively reduces the probability that dangerous accident takes place.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an insulating high voltage power cable, its structure includes sleeve pipe (1), leads and connects layer (2), cable conductor (3), shielding layer (4), interior sheath (5), PVC sheath (6), steel armour (7), outer insulating cover (8), its characterized in that:

the multi-strand cable core wire (3) is connected into an inner sleeve (1), a steel armor (7) which is radially connected with the outer sleeve (1) is sleeved outside the inner sleeve, the outer annular wall of the steel armor (7) is connected with a PVC (polyvinyl chloride) sheath (6), the PVC sheath (6) is annularly arranged at the outer annular wall of the cable core wire (3), the strand of the sleeve (1) is stranded and connected into the pipe head of an inner protective layer (5), the steel armor (7) corresponding to the radial line is sleeved on the surface of the inner protective layer (5), and a sleeve-connected outer insulating sleeve (8) is covered on the outer layer of the cable core wire (3).

2. An insulated high voltage power cable according to claim 1, characterized in that: outer insulating sleeve (8) are including the cover body (61), inlet (62), sealed waterproof layer (63), first support piece (64), conduction opening (65), second support piece (66), outlet (67), the complex has sealed waterproof layer (63) on the cover body (61), opening position forms and corresponds inlet (62), outlet (67) about sealed waterproof layer (63), inlet (62), outlet (67) link up conduction opening (65) mutually, first support piece (64) correspond the card on inlet (62), outlet (67) position with second support piece (66), cover body (61) are located interior sleeve pipe (1) outer wall department.

3. An insulated high voltage power cable according to claim 1, characterized in that: the cable core wire (3) is penetrated into the opening of the connecting layer (2).

4. An insulated high voltage power cable according to claim 1, characterized in that: the shielding layer (4) annularly covers the outer wall of the sleeve (1).

5. An insulated high voltage power cable according to claim 1, characterized in that: the guide connection layer (2) is correspondingly arranged on the left and right connection points of the sleeve (1).