CN109872845B

CN109872845B - Drag-resistant cable

Info

Publication number: CN109872845B
Application number: CN201910305366.2A
Authority: CN
Inventors: 林宇恒; 刘祝旦; 刘会
Original assignee: Guangdong Xinnanda Cable Industry Co ltd
Current assignee: GUANGDONG XINNANDA CABLE INDUSTRY Co.,Ltd.
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2021-02-26
Anticipated expiration: 2039-04-16
Also published as: CN109872845A

Abstract

The invention discloses a drag-resistant cable which comprises a cable, a first connecting plate, a protective hose, a second connecting plate and a sealing sheath, wherein the extended cable is movably arranged in the protective hose, the sealing sheath is arranged in the cable, the first connecting plate is fixedly arranged at one end of the protective hose, the second connecting plate is fixedly arranged at the other end of the protective hose, and ear pieces are fixedly arranged on two sides of the protective hose. The protective hose is arranged to protect the internal cable, so that the cable is prevented from being abraded in the laying process, the protection performance of the device is improved, the protective hose has good flexibility, the dragging resistance and corrosion resistance of the device can be improved, the service life of the cable is prolonged, the waterproof connector and the waterproof connector are arranged to enable the connection part of the two groups of cables to be waterproof and firm, the phenomenon of water seepage at the connection part of the cable is prevented, and the safety of the connection part of the cable is guaranteed.

Description

Drag-resistant cable

Technical Field

The invention relates to the technical field of cables, in particular to a drag-resistant cable.

Background

Along with the gradual acceleration of the urbanization process, city planning is more and more modern, in the urban construction process, urban communication and power utilization can be guaranteed to be paved with cables, the cables can be divided into power cables, communication cables, control cables and the like according to the purposes, and compared with overhead lines, the cables have the advantages that the cable is small in inter-line insulation distance, small in occupied space, underground laying but not occupying space above the ground, free from the influence of pollution of the surrounding environment, high in power transmission reliability, small in interference on personal safety and the surrounding environment, high in manufacturing cost, troublesome in construction and maintenance and complex in manufacturing, so that the cables are mostly applied to dense areas of population and power grids and crowded places with heavy traffic; the cable is laid in the river, the river and the seabed, large-span overhead lines can be avoided, cables can be adopted in places where the overhead lines need to be avoided from interfering communication, and occasions where attractiveness needs to be considered or targets need to be avoided from being exposed, the cables are laid into the ground to meet the lowest construction requirement, the conventional cables are usually of a circular structure, rolling is easy in the laying process, the cables need to be clamped and fixed through specific connecting pieces, the laying and installation efficiency is reduced, the workload of workers is increased, meanwhile, when the connecting pieces are clamped and fixed, the outer enclosure of the cables can be damaged, the cables are buried underground for a long time, the damaged cables are corroded, the service life of the cables is shortened, the service life of the whole circuit is prolonged, and the waste of resources is caused.

In addition, various pipe networks are arranged in urban underground pipe networks, so that the underground cables are often installed at positions where appropriate installation positions cannot be selected, and installation and laying of the cables with a single fixing mode are limited.

Disclosure of Invention

The object of the present invention is to provide a drag resistant cable that solves the problems set forth in the background above.

In order to achieve the purpose, the invention provides the following technical scheme: a dragging-resistant cable comprises a cable, a first connecting plate, a protective hose, a second connecting plate and a sealing sheath, wherein the cable is movably arranged inside the protective hose, the cable extends out of the protective hose, the sealing sheath is arranged inside the cable, the shielding layer is arranged inside the sealing sheath, an armor layer is arranged inside the shielding layer, an anti-corrosion asphalt layer is arranged inside the armor layer, a pure copper wire is fixedly arranged inside the anti-corrosion asphalt layer through an insulating filler, the first connecting plate is fixedly arranged at one end of the protective hose, the second connecting plate is fixedly arranged at the other end of the protective hose, one end of the first connecting plate is connected with the second connecting plate through a sealing block, two groups of through holes which penetrate through the first connecting plate and the second connecting plate are arranged inside the first connecting plate and the second connecting plate, and the second connecting plate and the first connecting plate are connected through the sealing block and a connecting bolt in a matching manner, ear pieces are fixedly arranged on two sides of the protective hose.

Preferably, two groups of protruding strips are arranged on the outer side of the protection hose, a rubber layer is fixedly arranged inside the protection hose, and a pipe groove is formed inside the protection hose.

Preferably, the inside of the ear piece is provided with a through positioning hole, and the positioning rod is movably arranged inside the positioning hole.

Preferably, one end of the cable is fixedly provided with a waterproof connecting piece, and the other end of the cable is fixedly provided with a waterproof connector.

Preferably, one end of the second connecting plate is fixedly provided with a waterproof piece, and a sealing sleeve is fixedly arranged in the waterproof piece.

Preferably, the two ends of the connecting bolt are movably provided with fixing nuts through threads.

Compared with the prior art, the invention has the beneficial effects that: 1. this resistant dilatant cable can protect inside cable through installing the protection hose, prevent at the in-process of laying the cable of preventing wearing and tearing, the protection nature of the improvement device, and the protection hose has good pliability, but the resistant dilatant performance and the corrosion resistance of multiplicable device, the life of extension cable, can carry out the definite of position to the cable through installing the earpiece simultaneously, ensure that the cable is at the assigned position, practice thrift laying time, the efficiency of laying of cable has been improved, but through installing waterproof connector and waterproof connecting piece two sets of cable junction waterproof nature and fastness, prevent the phenomenon of infiltration from appearing in the cable junction, the security of cable junction has been guaranteed, can further increase the leakproofness that the cable is connected through installing the seal block simultaneously, the security of device connection is improved.

2. In the invention, particularly in the second embodiment, the cables can find the optimal layout and installation position according to the existing layout of various pipe networks in the original landform by the rotatable ear pieces, the positioning rods and the magnetic blocks arranged at intervals on the top.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the connecting pin structure of the present invention;

FIG. 4 is a schematic front view of the present invention;

fig. 5 is a schematic view of the sealing sheath structure of the present invention.

In the figure: 1. a cable; 101. a waterproof connector; 102. a waterproof connector; 2. a first connecting plate; 201. a sealing block; 202. a through hole; 3. a protective hose; 301. a raised strip; 302. a rubber layer; 303. a pipe groove; 4. an ear piece; 401. positioning holes; 402. positioning a rod; 5. a second connecting plate; 501. a waterproof member; 502. sealing sleeves; 6. a connecting bolt; 601. fixing a nut; 7. sealing the sheath; 701. a shielding layer; 702. an armor layer; 703. an anti-corrosion asphalt layer; 704. a pure copper wire; 705. and (4) insulating filler.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment: referring to fig. 1-5, an embodiment of the present invention is shown: a drag-resistant cable comprises a cable 1, a first connecting plate 2, a protective hose 3, a second connecting plate 5 and a sealing sheath 7, wherein the extended cable 1 is movably arranged inside the protective hose 3, the protective hose 3 is made of rubber and has good flexibility, the internal cable 1 can be protected, the cable 1 is prevented from being worn in the laying process, the protection performance of the device is improved, the drag-resistant performance and corrosion resistance of the device can be improved, the service life of the cable 1 is prolonged, the cable 1 is a main body of the cable, the sealing sheath 7 is arranged inside the cable 1, a pure copper conductor 704 of the sealing sheath 7 is prevented from being damaged by machinery, moisture, chemical substances, light and the like, a shielding layer 701 is arranged inside the sealing sheath 7, the shielding layer 701 can play a certain grounding protection role, if a cable core wire is damaged, the leaked current can flow along the shielding layer 701, such as a grounding network can be protected, the anti-corrosion asphalt layer 703 has a safety protection function, the shielding layer 701 is internally provided with an armor layer 702, and the armor layer 702 is used for protecting the anti-corrosion asphalt layer 703 from mechanical damage. Generally, a galvanized steel strip, a steel wire or a copper strip, a copper wire and the like are used as armors to be wrapped outside a sheath, the armors 702 play a role in shielding an electric field and preventing external electromagnetic wave interference, an anti-corrosion asphalt layer 703 is arranged inside the armors 702, the anti-corrosion asphalt layer 703 can improve the corrosion resistance of the device and prolong the service life of the device, a pure copper wire 704 is fixedly installed inside the anti-corrosion asphalt layer 703 through an insulating filler 705, the insulating filler 705 is used as an insulating material of the cable and has high insulation resistance, high breakdown electric field intensity, low dielectric loss and low dielectric constant, common insulating materials in the cable comprise oil-immersed paper, polyvinyl chloride, polyethylene, cross-linked polyethylene, rubber and the like, the pure copper wire 704 is made of high-conductivity material copper, each wire core can be formed by twisting a single wire or a plurality of wires according to the requirement of laying use conditions on the flexibility of the cable, one end of the protective hose 3 is fixedly provided with a first connecting plate 2, the first connecting plate 2 can be connected with a second connecting plate 5 to connect two groups of protective hoses 3, the other end of each protective hose 3 is fixedly provided with the second connecting plate 5, one end of the first connecting plate 2 is connected with the second connecting plate 5 through a sealing block 201, the sealing block 201 can be connected with a sealing sleeve 502 to increase the sealing performance of the first connecting plate 2 which can be connected with the second connecting plate 5, two groups of through holes 202 which penetrate through are arranged inside the first connecting plate 2 and the second connecting plate 5, the through holes 202 can provide mounting positions for connecting bolts 6, the second connecting plate 5 and the first connecting plate 2 are connected through the matching of the sealing block 201 and the connecting bolts 6, the connecting bolts 6 can firmly connect the first connecting plate 2 and the second connecting plate 5 together, two sides of the protective hose 3 are fixedly provided with ear pieces 4, and the position determination can be carried out on cables, the cable is ensured to be at the designated position, the laying time is saved, and the laying efficiency of the cable is improved.

Further, the outside of protective flexible pipe 3 is equipped with two sets of protruding strips 301, and the wearability of the multiplicable device of protruding strip 301, and protective flexible pipe 3's inside fixed mounting has rubber layer 302, and rubber layer 302 has good compliance, the pliability of multiplicable protective flexible pipe 3, and protective flexible pipe 3's inside is equipped with chase 303, and chase 303 can provide the mounted position for cable 1.

Further, the inside of ear 4 is equipped with locating hole 401 that runs through, and locating hole 401 can provide fixed position for locating lever 402, and the inside movable mounting of locating hole 401 has locating lever 402, and the position of protection hose 3 can be fixed to locating lever 402, the laying of the cable of being convenient for, improves the laying efficiency of cable.

Further, the one end fixed mounting of cable 1 has waterproof connecting piece 101, and waterproof connecting piece 101 can be connected with waterproof connector 102 cooperation, increases two sets of 1 junctions of cable waterproof nature and fastness, prevents that the phenomenon of infiltration from appearing in 1 junctions of cable, has guaranteed the security of 1 junctions of cable, and the other end fixed mounting of cable 1 has waterproof connector 102.

Further, the one end fixed mounting of second connecting plate 5 has waterproof 501, and waterproof 501 can further improve the waterproof nature of two sets of protective hose 3 junctions, and waterproof 501's inside fixed mounting has seal cover 502, and seal cover 502 can with sealed piece 201, the leakproofness that multiplicable first connecting plate 2 can be connected with second connecting plate 5.

Further, there is fixation nut 601 at the both ends of connecting bolt 6 through screw thread movable mounting, and fixation nut 601 can fix the position of connecting bolt 6, can be together firmly fixed first connecting plate 2 with second connecting plate 5, improves the fastness of connecting.

Second embodiment: a drag resistant electrical cable comprising a cable 1, a first connector plate 2, a protective hose 3, a second connector plate 5 and a sealing sheath 7 as claimed in claim 1, wherein: an extended cable is movably mounted inside the protective hose 3, a sealing sheath 7 is arranged inside the cable, a shielding layer 701 is arranged inside the sealing sheath 7, an armor layer 702 is arranged inside the shielding layer 701, an anti-corrosive asphalt layer 703 is arranged inside the armor layer 702, a pure copper wire 704 is fixedly mounted inside the anti-corrosive asphalt layer 703 through an insulating filler 705, a first connecting plate 2 is fixedly mounted at one end of the protective hose 3, a second connecting plate 5 is fixedly mounted at the other end of the protective hose 3, one end of the first connecting plate 2 is connected with the second connecting plate 5 through a sealing block 201, two groups of through holes 202 penetrating through the first connecting plate 2 and the second connecting plate 5 are arranged inside the protective hose 3, the second connecting plate 5 and the first connecting plate 2 are connected through the sealing block 201 and a connecting bolt 6 in a matching manner, and ear pieces 4 are mounted on two sides of the protective hose 3, two groups of convex strips 301 are arranged on the outer side of the protective hose 3, a rubber layer 302 is fixedly arranged inside the protective hose 3, and a pipe groove 303 is arranged inside the protective hose 3;

one end of the cable is fixedly provided with a waterproof connecting piece 101, the other end of the cable is fixedly provided with a waterproof connector 102, the waterproof connecting piece 101 is connected with the waterproof connector 102 in a matching manner, one end of the second connecting plate 5 is fixedly provided with a waterproof piece 501, a sealing sleeve 502 is fixedly arranged inside the waterproof piece 501, a through positioning hole 401 is formed inside the ear piece 4, and a positioning rod 402 is movably arranged inside the positioning hole 401;

the outside of protection hose 3 is equipped with two sets of protruding strips 301, and this strip is embedded at equal intervals along cable length direction has the magnetic path, earpiece 4 can rotate certain angle on the radial circumference of protection hose 3 for earpiece 4 and this protruding strip 301 are the phase difference variable on the radial circumference of protection hose 3.

Further, the two ends of the connecting bolt 6 are movably provided with fixing nuts 601 through threads.

In the embodiment, the rotatable ear pieces, the positioning rods and the magnetic blocks arranged at the top are arranged at intervals, so that the cable can find the optimal layout and installation position according to the existing layout of various pipe networks in the original landform. The laying process is as follows:

if a plurality of pipelines with the same depth are laid in parallel in the original terrain, laying cables above the plurality of pipelines, and specifically operating; two groups of convex strips 301 arranged on the outer side of the protective hose 3 face downwards to be close to the pipeline, so that the magnetic blocks in the strips are adsorbed on the pipeline, and then the ear piece 4 is rotated, so that the orientation of a positioning rod 402 on the ear piece 4 is perpendicular to the convex strips by 90 degrees, and the cable can be fixed in soil on the upper side part of the locked pipelines by utilizing the positioning rod 402 on the basis that the cable is initially adsorbed and guided to be laid in a straight line; if there have been the pipeline stromatolite of many different degree of depth to lay in original topography, then select one of above-mentioned pipeline as the reference thing, then dig the same degree of depth at its side, then be equipped with two sets of protruding strips 301 with the outside of protection hose 3 and press close to above-mentioned pipeline towards the horizontal side for the magnetic path in the strip adsorbs on the pipeline, then rotates ear 4, makes in the orientation of the locating lever 402 on ear 4 pricks into soil perpendicularly.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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. A resistant dilatory cable, includes cable (1), first connecting plate (2), protective hose (3), second connecting plate (5) and sealed sheath (7), its characterized in that: the cable is movably arranged in the protective hose (3) and extends out, the protective hose (3) is made of rubber, a sealing sheath (7) is arranged in the cable, a shielding layer (701) is arranged in the sealing sheath (7), an armor layer (702) is arranged in the shielding layer (701), an anti-corrosion asphalt layer (73) is arranged in the armor layer (702), a pure copper wire (704) is fixedly arranged in the anti-corrosion asphalt layer (703) through an insulating filler (705), a first connecting plate (2) is fixedly arranged at one end of the protective hose (3), a second connecting plate (5) is fixedly arranged at the other end of the protective hose (3), one end of the first connecting plate (2) is connected with the second connecting plate (5) through a sealing block (201), and two groups of through holes (202) are arranged in the first connecting plate (2) and the second connecting plate (5), the second connecting plate (5) is connected with the first connecting plate (2) through a sealing block (201) and a connecting bolt (6) in a matched mode, ear pieces (4) are installed on two sides of the protective hose (3), two groups of protruding strips (301) are arranged on the outer side of the protective hose (3), a rubber layer (302) is fixedly installed inside the protective hose (3), and a pipe groove (303) is formed inside the protective hose (3);

one end of the cable is fixedly provided with a waterproof connecting piece (101), the other end of the cable is fixedly provided with a waterproof connector (102), the waterproof connecting piece 101 is connected with the waterproof connector 102 in a matched mode, one end of a second connecting plate (5) is fixedly provided with a waterproof piece (501), a sealing sleeve (502) is fixedly arranged inside the waterproof piece (501), a through positioning hole (401) is formed inside the ear piece (4), and a positioning rod (402) is movably arranged inside the positioning hole (401);

the outside of protection hose (3) is equipped with two sets of protruding strips (301), and this strip is embedded to have the magnetic path along cable length direction equidistant, ear piece (4) are rotatable certain angle on the radial circumference of protection hose (3), make ear piece (4) and this protruding strip (301) are phase difference changeable on the radial circumference of protection hose (3).

2. A drag resistant cable as claimed in claim 1, wherein: and fixed nuts (601) are movably arranged at two ends of the connecting bolt (6) through threads.