CN210535407U

CN210535407U - Special intrinsic safety cable for maritime work equipment

Info

Publication number: CN210535407U
Application number: CN201921016246.2U
Authority: CN
Inventors: 胡士高; 钱永琴; 陈福坤; 万天宝; 盛金昌; 梅翠香
Original assignee: Yangzhou Suneng Cable Co ltd
Current assignee: Yangzhou Suneng Cable Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-05-15
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a special intrinsic safety cable for maritime work equipment in the technical field of cables, wherein an insulating layer is arranged outside a stranded conductor, a first polyester winding belt is arranged on the outer side of the insulating layer, a flame-retardant filling material is filled between the insulating layer and the first polyester winding belt, the flame-retardant filling material is dispersedly provided with filling strips, the outer side of the first layer of polyester wrapping tape is provided with a halogen-free lining layer, the outer side of the halogen-free inner liner layer is provided with a woven armor layer, the outer side of the woven armor layer is provided with a second layer of polyester wrapping tape, the outer side of the second layer of polyester wrapping tape is provided with the outer sheath, the outer wall of the outer sheath is symmetrically provided with the first connecting structure and the second connecting structure respectively, the utility model has the advantage of convenient installation, meanwhile, the cable has excellent performances of low temperature resistance, high mechanical strength and tensile resistance, and the service life of the cable is long.

Description

Special intrinsic safety cable for maritime work equipment

Technical Field

The utility model relates to the technical field of cables, specifically be a marine industry is special type intrinsic safety cable for equipment.

Background

The ocean engineering is a new construction, reconstruction and extension engineering with the main engineering body positioned on one side of a coastline to the sea, wherein the aim of developing, utilizing, protecting and recovering ocean resources is achieved. Generally, the main contents of ocean engineering can be divided into two parts, namely resource development technology and equipment facility technology, and specifically include: the method comprises the following steps of sea reclamation, sea dam engineering, artificial islands, sea and seabed material storage facilities, sea-crossing bridges, sea bottom tunnel engineering, seabed pipelines, seabed electric (optical) cable engineering, sea mineral resource exploration and development and auxiliary engineering thereof, sea energy development and utilization engineering such as offshore tidal power stations, wave power stations, temperature difference power stations and the like, seawater comprehensive utilization engineering such as large-scale seawater farms, artificial fish reef engineering, salt fields, seawater desalination and the like, sea entertainment and sports, landscape development engineering and other oceaneering which can be regulated by national ocean administration and national institute environmental protection administration departments.

Any ocean function all needs to use the cable, when the cable is laid, need lay the cable side by side sometimes, and prior art is inconvenient when the cable installation is laid, and the cable in bank all independently lays, takes place the aversion easily, and the performance of cable is poor, for this reason, we provide a special type intrinsically safe cable for marine engineering equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a marine industry is special type intrinsically safe cable for equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a marine engineering is special intrinsic safety cable for equipment, includes the stranded conductor, the stranded conductor outside is provided with the insulating layer, the outside of insulating layer is provided with first layer polyester and winds the area and take, it has fire-retardant filler material to pack between insulating layer and the first layer polyester winds the area, it is provided with the filler strip to disperse in the fire-retardant filler material, first layer polyester winds the area outside and is provided with no halogen inner liner, the outside that does not have halogen inner liner is provided with weaves the armor, the outside of weaving the armor is provided with second layer polyester and winds the area, second layer polyester winds the area outside and is provided with the oversheath, the outer wall symmetry of oversheath is provided with first connection structure and second connection structure respectively.

Furthermore, the first connecting structure comprises a connecting column, two limiting blocks are symmetrically and movably arranged on the outer wall of the connecting column, the two limiting blocks are connected through limiting springs, the end parts of the limiting blocks are of arc structures, and integrally formed flanges are arranged at the contact ends of the limiting blocks and the inner cavity of the connecting column.

Further, the second connection structure comprises a connection limiting sleeve, a connection groove is formed in the connection limiting sleeve, a limiting hole is formed in the side wall of the connection limiting sleeve, a limiting ring is in threaded connection with the outer wall of the connection limiting sleeve, and external threads are uniformly formed in the outer wall of the connection limiting sleeve.

Furthermore, the connecting column and the connecting limit sleeve are matched with each other, and the connecting column and one end of the connecting limit sleeve are both arc-shaped structures matched with the outer sheath.

Further, the braided armor layer is formed by braiding galvanized copper wires, the outer sheath is made of halogen-free thermosetting materials, and the insulating layer is made of halogen-free cross-linked polyolefin.

Further, the coverage rate of the flame-retardant filling material in the cable cavity is more than 90%.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, reasonable in design, when the in bank cable was laid, in inserting the spliced pole that the cable outer wall set up the connection stop collar of adjacent cable outer wall, the spliced pole slides along connecting the stop collar inner wall, wears out spacing hole until the stopper, screws off the spacing ring again, removes to the below of stopper and forms spacing effect to the stopper until the spacing ring, accomplishes the connection installation of in bank cable and lays, the utility model discloses a cable selects for use and does not have the halogen-free material preparation, has low temperature resistant, high mechanical strength and stretch-proofing advantage, excellent in use effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the connection structure of the present invention.

In the figure: 1. a stranded conductor; 2. an insulating layer; 3. a first layer of polyester wrap; 4. a flame retardant filler material; 5. filling the strip; 6. a halogen-free inner liner layer; 7. weaving an armor layer; 8. a second layer of polyester wrap; 9. an outer sheath; 10. a first connecting structure; 101. connecting columns; 102. a limiting block; 103. a limiting spring; 11. a second connecting structure; 111. connecting a limiting sleeve; 112. a limit ring.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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. 1-2, the present invention provides a technical solution: the utility model provides a marine engineering is special intrinsic safety cable for equipment, including stranded conductor 1, the stranded conductor 1 outside is provided with insulating layer 2, the outside of insulating layer 2 is provided with first layer polyester and winds and takes 3, it has fire-retardant filler material 4 to fill between insulating layer 2 and the first layer polyester winds and takes 3, it is provided with filler strip 5 to disperse in the fire-retardant filler material 4, be convenient for increase holistic structural strength, the first layer polyester is provided with halogen-free inner liner 6 around taking 3 the outside, the outside of halogen-free inner liner 6 is provided with weaves armor 7, the outside of weaving armor 7 is provided with second layer polyester and winds and takes 8, second layer polyester winds and takes 8 the outside to be provided with oversheath 9, the outer wall symmetry of oversheath 9 is provided with first connection structure 10 and second connection structure 11 respectively.

Referring to fig. 2, the first connecting structure 10 includes a connecting column 101, two limiting blocks 102 are symmetrically and movably disposed on an outer wall of the connecting column 101, the two limiting blocks 102 are connected by a limiting spring 103, the limiting spring 103 is used for driving the limiting blocks 102 to retract when the connecting column 101 contacts with a connecting limiting sleeve 111, and the limiting blocks 102 are ejected out when the limiting blocks 102 pass through a limiting hole, an end portion of each limiting block 102 is of an arc structure, and an integrally formed flange is disposed at an end of each limiting block 102, which is in contact with an inner cavity of the connecting column 101.

Referring to fig. 2, the second connecting structure 11 includes a connecting limiting sleeve 111, two adjacent cables are connected through cooperation with the connecting column 101, a connecting groove is formed in the connecting limiting sleeve 111, a limiting hole is formed in a side wall of the connecting limiting sleeve 111, the limiting block 102 can penetrate out conveniently, the limiting effect is achieved, a limiting ring 112 is connected to the outer wall of the connecting limiting sleeve 111 through threads, the limiting fixing effect on the limiting block 102 is facilitated, and external threads are uniformly formed on the outer wall of the connecting limiting sleeve 111.

The connecting column 101 and the connecting limiting sleeve 111 are mutually matched, and one ends of the connecting column 101 and the connecting limiting sleeve 111 are both arc-shaped structures matched with the outer sheath 9, so that the connecting column and the outer sheath 9 are conveniently connected and fixed.

The braided armor layer 7 is formed by braiding galvanized copper wires, the outer sheath 9 is made of halogen-free thermosetting materials because of the advantages of high temperature resistance and high mechanical strength, and the insulating layer 2 is made of halogen-free cross-linked polyolefin because of the advantages of small density, excellent electrical performance and good mechanical performance.

The coverage rate of the flame-retardant filling material 4 in the cable cavity is more than 90%, so that the flexibility and tensile resistance of the cable are increased.

Example (b): when a row of cables are laid, the connecting column 101 arranged on the outer wall of each cable is inserted into the connecting limiting sleeve 111 on the outer wall of the adjacent cable, the connecting column 101 slides along the inner wall of the connecting limiting sleeve 111, the limiting block 102 is inwards compressed under the action of the limiting spring 103, the limiting block 102 moves to the limiting hole and penetrates out, the limiting ring 112 is screwed along the outer wall of the connecting limiting sleeve 111 until the limiting ring 112 moves to the position below the limiting block 102, the limiting effect is formed on the limiting block, the connecting, mounting and laying of the row of cables are completed, the insulating layer 2 is made of halogen-free cross-linked polyolefin, the density is small, the electrical performance is excellent, the mechanical performance is good, the outer sheath 9 is made of halogen-free thermosetting materials, and the cable has the advantages of high temperature resistance and high.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a marine industry is special type intrinsically safe cable for equipment, includes stranded conductor (1), its characterized in that: the outer side of the stranded conductor (1) is provided with an insulating layer (2), the outer side of the insulating layer (2) is provided with a first polyester winding belt packet (3), a flame-retardant filling material (4) is filled between the insulating layer (2) and the first polyester winding belt packet (3), filling strips (5) are arranged in the flame-retardant filling material (4) in a dispersed mode, a halogen-free inner liner layer (6) is arranged on the outer side of the first polyester winding belt packet (3), a woven armor layer (7) is arranged on the outer side of the halogen-free inner liner layer (6), a second polyester winding belt packet (8) is arranged on the outer side of the woven armor layer (7), an outer sheath (9) is arranged on the outer side of the second polyester winding belt packet (8), and a first connecting structure (10) and a second connecting structure (11) are symmetrically arranged on the outer wall of.

2. The special intrinsic safety cable for marine engineering equipment as claimed in claim 1, wherein: the first connecting structure (10) comprises a connecting column (101), two limiting blocks (102) are symmetrically and movably arranged on the outer wall of the connecting column (101), the two limiting blocks (102) are connected through limiting springs (103), the end portions of the limiting blocks (102) are of arc structures, and integrally formed flanges are arranged at the contact ends of the limiting blocks (102) and the inner cavity of the connecting column (101).

3. The special intrinsic safety cable for marine engineering equipment as claimed in claim 1, wherein: second connection structure (11) are including connecting stop collar (111), the spread groove has been seted up on connecting stop collar (111), just spacing hole has been seted up to connecting stop collar (111) lateral wall, connecting stop collar (111) outer wall threaded connection has spacing ring (112), just connect stop collar (111) outer wall and evenly seted up the external screw thread.

4. The special intrinsic safety cable for marine engineering equipment as claimed in claim 2, wherein: the connecting column (101) and the connecting limiting sleeve (111) are matched with each other, and the connecting column (101) and one end of the connecting limiting sleeve (111) are both arc-shaped structures matched with the outer sheath (9).

5. The special intrinsic safety cable for marine engineering equipment as claimed in claim 1, wherein: the braided armor layer (7) is formed by braiding galvanized copper wires, the outer sheath (9) is made of halogen-free thermosetting materials, and the insulating layer (2) is made of halogen-free cross-linked polyolefin.

6. The special intrinsic safety cable for marine engineering equipment as claimed in claim 1, wherein: the coverage rate of the flame-retardant filling material (4) in the cable cavity is more than 90%.