CN208767047U - A kind of moving metallic shield monitoring-type flexible cable - Google Patents

Abstract

The utility model provides a kind of moving metallic shield monitoring-type flexible cable, it is made of power wire core, wire core and monitoring core, the conductor of the power wire core is twisted in the same direction by the 5th kind of tin plating soft copper conductor, wrapped one layer of two-sided semiconductive nylon tape outside conductor, metal screen layer is formed by metal and fibrage, also serves as wire core；Three power wire core concentric strandings extrude one layer of inner sheath at cable core, the cable core outside；The monitoring core is twisted in the same direction by the 5th kind of tin plating soft copper conductor, and three monitoring cores are evenly spaced to be stranded in outside inner sheath, is one layer of non-metal knitted enhancement layer outside monitoring layer, is extruded oversheath outside enhancement layer again.The temperature resistant grade of the utility model cable insulation reaches 90 DEG C, has sufficiently small partial discharge quantity, and conductor thread core is not easy to break, and conductor shielding and insulation shielding have rippability, is able to bear certain external mechanical impact force.

Description

A kind of moving metallic shield monitoring-type flexible cable

Technical field

The utility model relates to a kind of cable, especially a kind of moving metallic shield monitoring-type flexible cable belongs to electrical dress Standby cable for connecting technical field.

Background technique

It is well known that containing numerous mineral resources in northwest China portion area, with the development of economy, also drive The development of the cable used for electric power connection for mining mineral resource equipment, with the development of science and technology, for digging mineral resources Equipment is more and more to tend to high-power, therefore the wire and cable of equipment connection has been driven to be intended to high voltage class hair Exhibition.If developing the Plastic-sheathed Cable that voltage class reaches 8.7/10kV, will be provided for the use of high-power mobile digging equipment Necessary condition.

Utility model content

The purpose of the utility model is to overcome above-mentioned technical deficiencies, propose a kind of soft electricity of moving metallic shield monitoring type Cable.

To reach above-mentioned technical purpose, the technical solution of the utility model is:

A kind of moving metallic shield monitoring-type flexible cable, it is made of power wire core, wire core and monitoring core, described The conductor of power wire core is twisted in the same direction by the 5th kind of tin plating soft copper conductor, wrapped one layer of two-sided semiconductive nylon tape outside conductor, It is successively conductor shield, insulating layer, insulation screen, metal screen layer, conductor shield, insulation outside power core conductor Layer, insulation screen are made of three-layer co-extruded, and metal screen layer is formed by metal and fibrage, also serves as wire core；Three Power wire core concentric stranding extrudes one layer of inner sheath at cable core, the cable core outside；The monitoring core is by the 5th kind of tin plating soft copper Conductor is twisted in the same direction, and three monitoring cores are evenly spaced to be stranded in outside inner sheath, and monitoring layer uses semi-conductive tape packet Layer+monitoring line (three)+semi-conductive tape cladding structure pattern；Monitor it is one layer of non-metal knitted enhancement layer outside layer, outside enhancement layer Oversheath is extruded again.

The power core conductor shielded layer and insulation screen are extruded using semi-conductive rubber, and insulating layer is using high-intensitive Halogen ethylene propylene diene rubber extrudes.

The wire core also serves as wire core by power wire core metal screen layer.

The monitoring layer uses semi-conductive tape covering+monitoring line (three)+semi-conductive tape cladding structure pattern.

The non-metal knitted enhancement layer is woven using nylon rope, and the inner sheath uses high-strength ternary second Third rubber, the oversheath is using high-intensitive chlorinated polyethylene rubber.

Compared with the prior art, the beneficial effects of the utility model are embodied in: the conductor screen of the utility model power wire core It covers, the shielding of insulating layer, insulated non-metal uses three-layer co-extruded technology, one layer of gold resistant to high temperature of braiding outside insulated non-metal shielded layer Category/fibre metal shielded layer, insulation and sheath material all select high-strength rubber, greatly increase cable entirety tension, The physical mechanical properties such as anti-twist, resist bending enable cable enough to bear certain external mechanical impact force.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

Figure label respectively indicates, 1- power wire core；2- power core conductor；3- conductor shield；4- insulating layer；5- is exhausted The nonmetallic shielded layer of edge；6- insulated metal shielded layer；7- filling；8- inner sheath；9- semi-conductive tape covering；10- monitoring core； 11- type insulating wrapping strip；The non-metal knitted enhancement layer of 12-；13- oversheath.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the utility model provides a kind of technical solution:

As shown in Figure 1, a kind of moving metallic shield monitoring-type flexible cable, it is twisted by three power wire cores 1 and packing 7 Cable core is synthesized, it is wrapped after twisted synthesizing cable, extrude one layer of inner sheath 8 outside cable core, wrapped one layer of semi-conductive tape covering 9 outside inner sheath 8, Three monitoring cores 10 are uniformly stranded in outside semi-conductive tape covering 9, are twisted after monitoring core 10 further around one layer of type insulating wrapping strip of packet 11, type insulating wrapping strip is outside one layer of non-metal knitted enhancement layer 12, finally extrudes oversheath 13.Non-metal knitted enhancement layer 12 uses Nylon rope is woven, and inner sheath 8 uses High-strength ethylene propylene diene monomer, and oversheath 13 is using high-intensitive haloflex rubber Glue.

In specific setting, the conductor 2 of power wire core is twisted in the same direction by the 5th kind of tin plating soft copper conductor, outside conductor successively Equipped with conductor shield 3, ethylene propylene diene rubber insulating layer 4, insulated non-metal shielded layer 5 and metal screen layer 6, power wire core Metal screen layer 6 also serves as wire core 6, and power core conductor shielded layer 3, insulating layer 4 and insulated non-metal shielded layer 5 use three layers Co-extrusion technology, such purpose can effectively improve the electric property of cable.

The conductor of monitoring core 10 is twisted by tin plating soft copper conductor in the 5th.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of moving metallic shield monitoring-type flexible cable, it is characterised in that: including three power wire cores (1), the power line The conductor (2) of core (1) is twisted in the same direction by the 5th kind of tin plating soft copper conductor, wrapped one layer of two-sided semiconductive nylon outside conductor (2) Band, the conductor (2) of power wire core (1) are successively conductor shield (3), insulating layer (4), insulation screen (5) and metal screen outside It covers layer (6), conductor shield (3), insulating layer (4) and insulation screen (5) are made of three-layer co-extruded, metal screen layer (6) it is formed by metal and fibrage, also serves as wire core；Three power wire cores (1) and packing (7) are twisted into cable core in the same direction, One layer of inner sheath (8) is extruded outside the cable core；Three monitoring cores (10) are evenly spaced to be stranded in outside inner sheath (8), institute Stating monitoring core (10) is twisted in the same direction by the 5th kind of tin plating soft copper conductor；Semi-conductive tape covering (9), monitoring core (10) And type insulating wrapping strip (11) forms monitoring layer, is one layer of non-metal knitted enhancement layer (12), non-metal knitted reinforcement outside monitoring layer Layer (12) extrudes oversheath (13) again outside.

2. a kind of moving metallic shield monitoring-type flexible cable according to claim 1, it is characterised in that: the power wire core (1) conductor shield (3) and insulation screen (5) is extruded using semi-conductive rubber, and insulating layer (4) uses high-strength halogen-free three First EP rubbers extrudes.

3. a kind of moving metallic shield monitoring-type flexible cable according to claim 1, it is characterised in that: described is nonmetallic Braiding enhancement layer (12) is woven using nylon rope, and the inner sheath (8) uses High-strength ethylene propylene diene monomer, described Oversheath (13) is using high-intensitive chlorinated polyethylene rubber.