CN214956146U - Low-smoke halogen-free environment-friendly safe mobile control cable for ship - Google Patents

Abstract

The utility model relates to a low smoke and zero halogen environmental protection safety marine mobile control cable belongs to cable technical field, including first cable, second cable and fixing device, first cable and second cable are connected through fixing device, first cable and second cable all include first isolation layer, first isolation layer is outer to encircle in proper order and is provided with first fire-retardant layer, metallic shield layer, second isolation layer, the fire-retardant layer of second, tensile layer and outer jacket, be provided with a plurality of conductors in the first isolation layer, the conductor overcoat is equipped with the insulating layer, be provided with the filling layer between insulating layer and the first isolation layer. The utility model discloses have the physical mechanical properties of high strength, possess characteristics such as wear-resisting, explosion-proof, environmental protection simultaneously, the concatenation is simple, and the junction can effectively be anticreep.

Description

Low-smoke halogen-free environment-friendly safe mobile control cable for ship

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to marine mobile control cable of low smoke and zero halogen environmental protection safety.

Background

With the improvement of environmental awareness and safety awareness of people, the requirement on marine cables is higher and higher. Ships will become more and more intelligent in the future, and the laying amount of the cables serving as power output is greatly increased. Some special equipment need the cable to have very strong maneuverability, can not arouse conflagration and explosion because circuit discharge or spark discharge in the removal, require the cable simultaneously can not produce black smog and toxic gas when high temperature, in case of the accident, can furthest reduce the severity of incident, this makes the cable need possess high strength maneuverability and wear-resisting explosion-proof ability to possess environmental protection and low smoke and zero halogen characteristic. The traditional marine cable is poor in physical and mechanical properties, free of characteristics such as explosion resistance, wear resistance and environmental protection, and loose at the joint of the cable is easy to occur in the dragging process.

SUMMERY OF THE UTILITY MODEL

Based on prior art not enough, the utility model provides a low smoke and zero halogen environmental protection safety marine mobile control cable has the physical and mechanical properties of high strength, possesses characteristics such as wear-resisting, explosion-proof, environmental protection simultaneously, and the concatenation is simple, and the junction can effectively the anticreep.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a marine mobile control cable of low smoke and zero halogen environmental protection safety, includes first cable, second cable and fixing device, first cable and second cable are connected through fixing device, first cable and second cable all include first isolation layer, first isolation layer is encircleed in proper order and is provided with first fire-retardant layer, metallic shield layer, second isolation layer, the fire-retardant layer of second, tensile layer and outer jacket outside, be provided with a plurality of conductors in the first isolation layer, the conductor overcoat is equipped with the insulating layer, be provided with the filling layer between insulating layer and the first isolation layer.

As a preferred technical scheme of the low-smoke halogen-free environment-friendly safe marine mobile control cable, the fixing device comprises a first fixing ring, a second fixing ring and a movable ring, the first fixing ring is installed at one end of a first cable, sliding grooves are symmetrically formed in the first fixing ring, sliding blocks are installed in the movable ring, the sliding blocks are movably connected with the sliding grooves, the second fixing ring is installed at one end of a second cable, a first cavity is formed in the second fixing ring, and the movable ring is movably connected with the first cavity;

the movable ring is internally provided with a mounting hole, the second fixing ring is provided with a limiting hole at a position corresponding to the mounting hole, and a mounting nail is movably connected in the limiting hole.

As the utility model relates to a preferred technical scheme of marine mobile control cable of low smoke and zero halogen environmental protection, the installation nail includes bracing piece and shell fragment, the shell fragment symmetry is installed in one side that the bracing piece is close to the activity ring.

As the utility model relates to a preferred technical scheme of marine mobile control cable of low smoke and zero halogen environmental protection safety, insulating layer, first fire-retardant layer, the fire-retardant layer of second, outer jacket and filling layer are polyolefin rubber sheath layer.

As the utility model relates to a low smoke and zero halogen environmental protection safety marine mobile control cable's preferred technical scheme, first isolation layer and second isolation layer are high temperature resistant around the band.

As the utility model relates to a preferred technical scheme of marine mobile control cable of low smoke and zero halogen environmental protection, be provided with stranded tinned copper wire in the metallic shield layer, stranded tinned copper wire weaves each other and encircles.

As the utility model relates to a preferred technical scheme of marine mobile control cable of low smoke and zero halogen environmental protection, the tensile layer is aramid fiber silk layer.

The utility model has the advantages that:

(1) through fixing device, press the mounting nail during installation and die the mounting hole internal lock, convenient operation draws and also is difficult not hard up to drag.

(2) The conductor adopts the many strands of soft tinned wires to weave each other and encircle, makes the cable possess performances such as softness, removal, bending, and the metal shielding layer adopts the tin-plating technology, can restrain high frequency interference, shields static. The insulating layer, the first flame-retardant layer, the second flame-retardant layer, the outer protective layer and the filling layer are arranged to be polyolefin rubber sheath layers, so that the cable has low smoke, zero halogen and flame retardant properties, and the maneuvering capability of the cable is greatly improved. The tensile layer has tensile bending fatigue resistance, and can prevent the cable from being damaged in moving and stressed pulling.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view at A of FIG. 1;

fig. 3 is a cross-sectional view of a first cable:

description of the main elements

In the figure: 1. a first cable; 101. a conductor; 102. an insulating layer; 103. a first isolation layer; 104. a first flame retardant layer; 105. a metal shielding layer; 106. a second isolation layer; 107. a second flame retardant layer; 108. a tensile layer; 109. an outer jacket; 100. a filling layer; 2. a second cable; 3. a fixing device; 301. a first retaining ring; 302. a second retaining ring; 303. a movable ring; 304. a slider; 305. a first cavity; 306. mounting holes; 307. installing a nail; 3071. a support bar; 3072. an elastic sheet.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a mobile control cable for a low-smoke, halogen-free, environment-friendly and safe ship comprises a first cable 1, a second cable 2 and a fixing device 3, wherein the first cable 1 and the second cable 2 are connected through the fixing device 3, the first cable 1 and the second cable 2 both comprise a first isolation layer 103, a first flame-retardant layer 104, a metal shielding layer 105, a second isolation layer 106, a second flame-retardant layer 107, a tensile layer 108 and an outer protective layer 109 are sequentially arranged outside the first isolation layer 103 in a surrounding manner, a plurality of conductors 101 are arranged in the first isolation layer 103, an insulation layer 102 is arranged outside the conductors 101, and a filling layer 100 is arranged between the insulation layer 102 and the first isolation layer 103.

The fixing device 3 comprises a first fixing ring 301, a second fixing ring 302 and a movable ring 303, the first fixing ring 301 is installed at one end of the first cable 1, sliding grooves are symmetrically formed in the first fixing ring 301, sliding blocks 304 are installed in the movable ring 303, the sliding blocks 304 are movably connected with the sliding grooves, the second fixing ring 302 is installed at one end of the second cable 2, a first cavity 305 is formed in the second fixing ring 302, and the movable ring 303 is movably connected with the first cavity 305;

the movable ring 303 is internally provided with a mounting hole 306, the second fixing ring 302 is provided with a limiting hole at a position corresponding to the mounting hole 306, the limiting hole is internally movably connected with a mounting nail 307, the mounting nail 307 comprises a support rod 3071 and a shrapnel 3072, and the shrapnel 3072 is symmetrically arranged on one side of the support rod 3071 close to the movable ring 303.

In this embodiment, when the first cable 1 and the second cable 2 need to be spliced, the movable ring 303 slides in the direction away from the first fixing ring 301, the movable ring 303 enters the first cavity 305, and the mounting nail 307 is pressed into the mounting hole 306 to be locked, so that the operation is convenient, and the pulling is not easy to loosen.

Specifically, insulating layer 102, first fire-retardant layer 104, the fire-retardant layer 107 of second, outer jacket 109 and filling layer 100 are polyolefin rubber sheath layer, and first isolation layer 103 and second isolation layer 106 are high temperature resistant around the band, are provided with stranded tinned copper wire in the metallic shield layer 105, and stranded tinned copper wire weaves each other and encircles, and tensile layer 108 is aramid fiber silk layer.

In this embodiment, in order to meet the harsh operating environment and operating requirements of the ocean and its surroundings, the conductor 101 and the metal shielding layer 105 adopt a tin plating process, which can prevent the copper wires in the conductor 101 and the metal shielding layer 105 from being oxidized and corroded, and improve the connection performance of the conductor copper wires. The conductor 101 is formed by mutually weaving and surrounding a plurality of strands of soft tinned copper wires, so that the cable has the performances of flexibility, movement, bending and the like, and the metal shielding layer 105 can inhibit high-frequency interference and shield static electricity.

The polyolefin rubber belongs to a novel composite material, has the advantages of low smoke, zero halogen and flame retardant property, high mechanical strength, strong flexibility, good elasticity, impact resistance, bending fatigue resistance and the like, and greatly improves the mobility of the cable. The aramid fiber silk layer has tensile and bending fatigue resistance, and can prevent the cable from being damaged in moving and stressed pulling.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides a marine mobile control cable of low smoke and zero halogen environmental protection safety, includes first cable (1), second cable (2) and fixing device (3), its characterized in that: the cable comprises a first cable (1) and a second cable (2), wherein the first cable (1) and the second cable (2) are connected through a fixing device (3), the first cable (1) and the second cable (2) both comprise a first isolation layer (103), the first isolation layer (103) is sequentially provided with a first flame-retardant layer (104), a metal shielding layer (105), a second isolation layer (106), a second flame-retardant layer (107), a tensile layer (108) and an outer protective layer (109) in a surrounding mode, a plurality of conductors (101) are arranged in the first isolation layer (103), an insulating layer (102) is sleeved outside the conductors (101), and a filling layer (100) is arranged between the insulating layer (102) and the first isolation layer (103).

2. The low-smoke halogen-free environment-friendly safe mobile control cable for the ship according to claim 1, characterized in that: the fixing device (3) comprises a first fixing ring (301), a second fixing ring (302) and a movable ring (303), the first fixing ring (301) is installed at one end of a first cable (1), sliding grooves are symmetrically formed in the first fixing ring (301), a sliding block (304) is installed in the movable ring (303), the sliding block (304) is movably connected with the sliding grooves, the second fixing ring (302) is installed at one end of a second cable (2), a first cavity (305) is formed in the second fixing ring (302), and the movable ring (303) is movably connected with the first cavity (305);

mounting holes (306) are formed in the movable ring (303), limiting holes are formed in the positions, corresponding to the mounting holes (306), of the second fixing ring (302), and mounting nails (307) are movably connected in the limiting holes.

3. The low-smoke halogen-free environment-friendly safe mobile control cable for the ship according to claim 2, characterized in that: the mounting nail (307) comprises a supporting rod (3071) and a spring plate (3072), wherein the spring plate (3072) is symmetrically mounted on one side, close to the movable ring (303), of the supporting rod (3071).

4. The low-smoke halogen-free environment-friendly safe mobile control cable for the ship according to claim 1, characterized in that: the insulating layer (102), the first flame-retardant layer (104), the second flame-retardant layer (107), the outer protective layer (109) and the filling layer (100) are all polyolefin rubber sheath layers.

5. The low-smoke halogen-free environment-friendly safe mobile control cable for the ship according to claim 1, characterized in that: the first isolation layer (103) and the second isolation layer (106) are high-temperature-resistant wrapping tapes.

6. The low-smoke halogen-free environment-friendly safe mobile control cable for the ship according to claim 1, characterized in that: a plurality of strands of tinned copper wires are arranged in the metal shielding layer (105), and the plurality of strands of tinned copper wires are woven and surrounded with each other.

7. The low-smoke halogen-free environment-friendly safe mobile control cable for the ship according to claim 1, characterized in that: the tensile layer (108) is an aramid fiber silk layer.

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