CN210429383U

CN210429383U - Ultraviolet-proof high-temperature-resistant seawater-corrosion-proof water-blocking loadable cable for ship

Info

Publication number: CN210429383U
Application number: CN201921455729.2U
Authority: CN
Inventors: 李万松; 闵泽宇
Original assignee: Anhui Lingyu Cable Technology Co Ltd
Current assignee: Anhui Lingyu Cable Technology Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-04-28
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a but marine anti ultraviolet high temperature resistant seawater corrosion prevents that water blocks load cable, including supporting shoe, lag, inner sheath layer, cable core, oversheath layer and cable body, the inside of cable body is equipped with 4 cable cores. The utility model discloses a be equipped with the lag between inside inner sheath layer of cable body and oversheath layer, and equidistant evenly arranged the supporting shoe on the lag, the supporting shoe that utilizes equidistant arrangement on the one hand cooperates the structure that forms similar ring from top to bottom, utilize the supporting shoe to support the cable form after receiving the extrusion, it damages to avoid the cable to receive extrusion deformation, on the other hand equidistant evenly arranged's supporting shoe can also not influence the normal crooked use of cable, the inside thermal giveaway of cable can be convenient for to the supporting shoe of fin form, and the supporting shoe that alternates extends to inside oversheath layer, avoid inner sheath layer and oversheath layer to produce the condition emergence of separation, promote the compactness of connecting between each crowded package layer of cable.

Description

Ultraviolet-proof high-temperature-resistant seawater-corrosion-proof water-blocking loadable cable for ship

Technical Field

The utility model relates to the technical field of cables, specifically be a but shipboard anti ultraviolet is high temperature resistant prevents that sea water corrosion blocks water loading cable.

Background

With the development of science and technology in China, ship equipment is changed by turning over the sky and covering the ground, the ship equipment is applied to military equipment greatly, a large number of ships are required in a vast sea area in China to resist external aggression, the ships need to enter a harbor after going out of the sea and going back to a base for maintenance after magnetic field measurement and demagnetization, an external power supply is required for maintenance after demagnetization, the power supply cable comprises a low-voltage cable and a medium-voltage cable, a small ship can be powered by the low-voltage cable, and the ship and a power distribution room are far away from each other and have a large fall. In the south sea and sea areas of China, the cable has strong ultraviolet rays, hot weather and strong seawater corrosivity, and meanwhile, the cable also has a water blocking function, so that the ship is required to have a certain protection function on the cable, and the ship is obviously difficult to realize under the condition. On the other hand, the cable itself should have the functions of resisting ultraviolet rays, high-temperature insolation, seawater corrosion and water blocking and bearing loads, namely, the cable has certain load capacity, ultraviolet rays, high-temperature insolation and seawater corrosion and has certain water blocking under certain conditions, and the cable can still keep normal operation under the condition, but no cable with the excellent performance exists so far.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but shipboard anti ultraviolet is high temperature resistant prevents that sea water corrosion blocks water load cable to solve the problem that the current cable that provides in the above-mentioned background art can not have anti ultraviolet function concurrently simultaneously, prevent sea water corrosion, block water the function and can bear the load function.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but shipboard protection ultraviolet is high temperature resistant prevents sea water corrosion and blocks water loaded cable, includes supporting shoe, lag, inner sheath layer, cable core, outer sheath layer and cable body, the inside of cable body is equipped with 4 cable cores, the inside of cable core all is equipped with power core conductor, the cable core surface crowded package in the power core conductor outside has the insulating layer, the cable core transposition each other, the cable body outside the cable core is inside around having the winding area that blocks water, and blocks water is equipped with the packing strip that blocks water around the cable body inside between band and the cable core, the outside of the winding area that blocks water is equipped with the load layer, the cable body outside the load layer inside crowded package has the inner sheath layer, the cable body outside the inner sheath layer inside parcel has two lags, the supporting shoe that has all equidistant even interlude mutually perpendicular with the lag on the lag, 3 steel wires that parallel with the lag equidistant even interlude on the lag, and all run through on lag and the supporting shoe have with steel wire matched with through-hole, the supporting shoe is circular-arc, and the both ends of supporting shoe all are equipped with the magnetic path, and the magnetic path magnetism at supporting shoe both ends is opposite on two lags, the cable body surface crowded package in the lag outside has the oversheath layer.

Preferably, the power core conductor is formed by twisting five types of tinned soft copper strands and then twisting the strands, the pitch diameter ratio of the strands is controlled to be not higher than 12 times, and the pitch diameter of the twisted strands is not higher than 10 times.

Preferably, the insulating layer and the inner sheath layer are both made of rubber using ethylene propylene diene monomer as a base material.

Preferably, the load layer is stranded into one strand by 7X 0.50mm high-strength stainless steel wires in a concentric manner, multiple strands of stainless steel strands are wound outside the water-blocking lapping band, and the distance between every two strands of tensile wires is not more than 0.5 mm.

Preferably, the protecting sleeve can be made of rubber taking ethylene propylene diene monomer as a base material, and the supporting block can be made of metal.

Preferably, the water-blocking filling strips are made of water-blocking expansion paste.

Preferably, the water-blocking wrapping tape can be a polyester composite water-blocking tape.

Preferably, the outer sheath layer is formed by extruding rubber with chlorosulfonated polyethylene as a base material.

Compared with the prior art, the beneficial effects of the utility model are that: the ultraviolet-proof high-temperature-resistant seawater corrosion-proof water-blocking loadable cable for the ship is characterized in that a water-blocking filling strip and a water-blocking tape are respectively filled and wrapped in the cable body, the water-blocking filling strip and the water-blocking tape immediately expand to prevent the longitudinal and radial water inflow of the cable when meeting water, the water resistance of the cable body is improved, the heat resistance, sunlight resistance, ozone resistance and good insulating electrical properties of the cable are improved by adopting ethylene propylene diene monomer with excellent non-hygroscopicity for an insulating layer and an inner sheath layer, the outer sheath is formed by extruding chlorosulfonated polyethylene with the functions of ozone resistance, ultraviolet resistance, high-temperature solarization resistance, corrosion resistance, water-blocking wear resistance and the like, the service life of the cable in seawater with strong ultraviolet rays and high corrosion is prolonged, the cable core is stranded and re-stranded, and the pitches of a tin strand and the re-stranded cable are controlled within a certain range, and the strand and the compound strand are twisted in the same direction, when the cable is bent and dragged, because the flexibility and the ductility of the cable are good, the conductor is very small in stress, the tension of the power line core conductor is effectively prevented from being broken and bent, and because the steel wire penetrates through the interior of the protective sleeve, the tensile length of the cable is limited, the tensile strength borne by the steel wire is utilized, the pulling strength borne by the cable core is reduced, and the breaking is avoided, the utility model discloses a protective sleeve is arranged between the inner protective sleeve layer and the outer protective sleeve layer in the cable body, and supporting blocks are uniformly arranged on the protective sleeve at equal intervals, on one hand, the supporting blocks which are arranged at equal intervals are matched up and down to form a structure similar to a circular ring, the supporting blocks made of metal materials are utilized to support the cable shape after the cable is extruded, the cable is prevented from being extruded and deformed and damaged, and on the other hand, the, finned supporting blocks can be convenient for the dissipation of the heat inside the cable, and the supporting blocks which are inserted into the supporting blocks extend into the inner outer sheath layer, so that the situation that the inner sheath layer is separated from the outer sheath layer is avoided, and the tightness of connection between the extruded layers of the cable is improved.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention;

fig. 2 is a schematic view of the front view structure of the protective cover of the present invention;

FIG. 3 is a schematic view of the front view of the inner structure of the protective cover of the present invention;

fig. 4 is a schematic view of the bending structure of the cable body of the present invention.

In the figure: 1. a support block; 2. a water-blocking filler strip; 3. a protective sleeve; 4. an inner jacket layer; 5. a cable core; 6. a steel wire; 7. an insulating layer; 8. a through hole; 9. an outer jacket layer; 10. a power core conductor; 11. a load layer; 12. a cable body; 13. a water-blocking wrapping tape; 14. a magnetic block.

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. 1-4, the present invention provides an embodiment: a ship-used ultraviolet-proof high-temperature-resistant seawater corrosion-resistant water-blocking loadable cable comprises a supporting block 1, a protective sleeve 3, an inner protective sleeve layer 4, a cable core 5, an outer protective sleeve layer 9 and a cable body 12, wherein 4 cable cores 5 are arranged inside the cable body 12, power core conductors 10 are arranged inside the cable cores 5, the power core conductors 10 are stranded by five types of tinned soft copper strands, the strand stranding pitch-diameter ratio is controlled to be not higher than 12 times, the pitch diameter of the compound stranding is not higher than 10 times, an insulating layer 7 is extruded on the outer surface of each cable core 5 outside each power core conductor 10, the cable cores 5 are stranded with each other, a water-blocking tape 13 is arranged inside the cable body 12 outside each cable core 5, the water-blocking tape 13 can be a polyester composite water-blocking tape, a water-blocking filler strip 2 is arranged inside the cable body 12 between the water-blocking tape 13 and the cable cores 5, and the water-blocking filler strip 2 is, a load layer 11 is arranged on the outer side of a water-blocking wrapping tape 13, the load layer 11 is formed by twisting 7 multiplied by 0.50mm high-strength stainless steel wires into a strand in a concentric manner, a plurality of strands of stainless steel strands are wound outside the water-blocking wrapping tape 13, the wire drawing resisting distance of each strand is not more than 0.5mm, an inner sheath layer 4 is extruded and wrapped inside a cable body 12 on the outer side of the load layer 11, an insulating layer 7 and the inner sheath layer 4 are both made of rubber taking ethylene propylene diene monomer as a base material, two protective sleeves 3 are wrapped inside the cable body 12 on the outer side of the inner sheath layer 4, supporting blocks 1 which are perpendicular to the protective sleeves 3 are uniformly inserted on the protective sleeves 3 at equal intervals, the protective sleeves 3 can be made of rubber taking ethylene propylene diene monomer as a base material, the supporting blocks 1 can be made of metal, 3 steel wires 6 which are uniformly inserted on the protective sleeves 3 at equal intervals, and through holes 8 which are matched with the steel wires 6 are arranged on the protective, supporting shoe 1 is circular-arc, and the both ends of supporting shoe 1 all are equipped with magnetic path 14, and the magnetic path 14 magnetism at supporting shoe 1 both ends is opposite on two lag 3, and the cable body 12 surface extrusion package in the lag 3 outside has oversheath layer 9, and oversheath layer 9 adopts the crowded package of rubber of chlorosulfonated polyethylene as the base material to form.

The working principle is as follows: in the process of using the cable, because the two protective sleeves 3 made of rubber materials are wrapped between the inner protective sleeve layer 4 and the outer protective sleeve layer 9, the protective sleeves 3 are equidistantly and uniformly provided with the supporting blocks 1 which are circular arc-shaped, the steel wires 6 are utilized to sequentially penetrate through the protective sleeves 3 and the supporting blocks 1, when the cable body 12 is pulled, the cable is twisted by the cable cores 5 and has a certain twist pitch diameter ratio, the cable cores 5 have certain stretchability in the length direction, the length of the steel wires 6 is fixed, most of pulling force acts on the steel wires 6 after the cable body 12 is pulled, the pulling force applied to the cable cores 5 is reduced, the cable is not easily damaged due to pulling, the tensile property of the cable is improved, because the magnetic blocks 14 with opposite magnetism are arranged at two ends of the supporting blocks 1, and the protective sleeves 3 and the supporting blocks 1 are wrapped outside the inner protective sleeve layer 4 in a sleeving manner, and utilize oversheath layer 9 to wrap up lag 3 fixedly, then two piece upper and lower supporting shoe 1 in the same vertical plane are aligned, when receiving the extrusion, the extrusion force degree acts on after oversheath layer 9 direct action on supporting shoe 1, supporting shoe 1 cooperatees and has formed the structure of similar solid fixed ring in cable body 12 outside the oversheath layer 4, then the continuous extrusion deformation of restriction cable, and bear the extrusion force degree, promote the anti extrudability of cable, promote the life of cable.

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 but marine anti ultraviolet high temperature resistant seawater corrosion blocks water load cable, includes supporting shoe (1), lag (3), inner sheath layer (4), cable core (5), outer sheath layer (9) and cable body (12), its characterized in that: the cable comprises a cable body (12), wherein 4 cable cores (5) are arranged inside the cable body (12), power core conductors (10) are arranged inside the cable cores (5), an insulating layer (7) is extruded on the outer surface of the cable core (5) outside the power core conductors (10), the cable cores (5) are twisted with each other, a water-blocking wrapping tape (13) is wrapped inside the cable body (12) outside the cable cores (5), a water-blocking filling strip (2) is arranged inside the cable body (12) between the water-blocking wrapping tape (13) and the cable cores (5), a load layer (11) is arranged outside the water-blocking wrapping tape (13), an inner sheath layer (4) is extruded inside the cable body (12) outside the load layer (11), two protective sheaths (3) are wrapped inside the cable body (12) outside the inner sheath layer (4), and supporting blocks (1) perpendicular to the protective sheaths (3) are uniformly inserted at equal intervals on the protective sheaths (3), equidistant even interlude has 3 steel wire (6) that parallel with lag (3) on lag (3), and all runs through on lag (3) and supporting shoe (1) and have through hole (8) with steel wire (6) matched with, supporting shoe (1) is circular-arcly, and the both ends of supporting shoe (1) all are equipped with magnetic path (14), and magnetic path (14) magnetism opposite at supporting shoe (1) both ends on two lags (3), cable body (12) surface crowded package in the lag (3) outside has oversheath layer (9).

2. The ultraviolet-proof, high-temperature-resistant, seawater-corrosion-proof and water-blocking loadable cable for the ship according to claim 1, wherein: the power wire core conductor (10) is formed by twisting five types of tinned soft copper strands and then twisting the strands, the pitch diameter ratio of the strands is controlled to be not higher than 12 times, and the pitch diameter of the twisting is not higher than 10 times.

3. The ultraviolet-proof, high-temperature-resistant, seawater-corrosion-proof and water-blocking loadable cable for the ship according to claim 1, wherein: the insulating layer (7) and the inner sheath layer (4) are both made of rubber using ethylene propylene diene monomer as a base material.

4. The ultraviolet-proof, high-temperature-resistant, seawater-corrosion-proof and water-blocking loadable cable for the ship according to claim 1, wherein: the load layer (11) is stranded into one strand by 7X 0.50mm high strength stainless steel wires in a concentric manner, the multiple strands of stainless steel strands are wound outside the water-blocking wrapping tape (13), and the wire drawing resisting distance of each strand is not more than 0.5 mm.

5. The ultraviolet-proof, high-temperature-resistant, seawater-corrosion-proof and water-blocking loadable cable for the ship according to claim 1, wherein: the protective sleeve (3) can be made of rubber taking ethylene propylene diene monomer as a base material, and the supporting block (1) can be made of metal.

6. The ultraviolet-proof, high-temperature-resistant, seawater-corrosion-proof and water-blocking loadable cable for the ship according to claim 1, wherein: the water-blocking filling strip (2) is made of water-blocking expansion paste.

7. The ultraviolet-proof, high-temperature-resistant, seawater-corrosion-proof and water-blocking loadable cable for the ship according to claim 1, wherein: the water-blocking wrapping tape (13) can be a polyester composite water-blocking tape.

8. The ultraviolet-proof, high-temperature-resistant, seawater-corrosion-proof and water-blocking loadable cable for the ship according to claim 1, wherein: the outer sheath layer (9) is formed by extruding rubber with chlorosulfonated polyethylene as a base material.