CN217982857U - Shielding rubber jacketed flexible cable - Google Patents
Shielding rubber jacketed flexible cable Download PDFInfo
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- CN217982857U CN217982857U CN202222343635.4U CN202222343635U CN217982857U CN 217982857 U CN217982857 U CN 217982857U CN 202222343635 U CN202222343635 U CN 202222343635U CN 217982857 U CN217982857 U CN 217982857U
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- sinle silk
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Abstract
The utility model discloses a shielding rubber cover flexible cable that bending resistance performance and corrosion resistance are better. The technical scheme adopted comprises the following steps: three power sinle silks and establish the outer sheath of power sinle silks, every power sinle silks is by the power sinle silks conductor and establish in proper order the outer power sinle silks insulating layer of power sinle silks conductor, power sinle silks semi-conductive layer are constituteed, every the front end of power sinle silks all stretches out the terminal surface of sheath, and strip out power sinle silks conductor connecting portion, power sinle silks insulating layer connecting portion and power sinle silks semi-conductive layer connecting portion respectively, power sinle silks semi-conductive layer connecting portion are equipped with the semi-conductive layer rubber pipe outward, the semi-conductive layer rubber pipe is interior to be supported there is the spiral support tube, the aperture of semi-conductive layer rubber pipe is less than the external diameter of power sinle silks connecting portion.
Description
Technical Field
The utility model belongs to the electric power field, concretely relates to shielding rubber cover flexible cable.
Background
The rubber jacketed flexible cable for the coal mining machine is mainly suitable for various mining equipment such as fully mechanized mining equipment under a mine, coal mining machines, mobile substations, conveyors and the like and other occasions requiring the reciprocating movement and bending use of the cable, such as a power supply cable of large-scale hoisting machinery and the like. The mining equipment needs to perform reciprocating movement and bending on the cable for a long time, so that the requirement on the bending resistance of the cable is very high; in addition, because the underground working environment of the coal mine is very severe, such as high temperature, high humidity, high corrosion and the like, the high temperature resistance, high humidity resistance and corrosion resistance of the cable are also improved. The factory state of the rubber jacketed flexible cable also meets the requirements under normal conditions, but workers usually randomly connect wires or the wires are not standard at the joint of the cable and equipment, and the bending resistance of the joint of the wire is poor and corrosive liquid is easy to permeate into the joint of the wire to cause the cable to be corroded. In addition, the operation is troublesome when wire stripping, winding of the semi-conductive adhesive tape and the like are carried out on site.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a better shielding rubber cover flexible cable of bending resistance performance and corrosion resistance.
In order to solve the above problem, the utility model discloses a technical scheme include: three power sinle silks and establish the outer sheath of power sinle silks, every power sinle silks is by power sinle silks conductor and establish in proper order the outer power sinle silks insulating layer of power sinle silks conductor, power sinle silks semi-conductive layer of power sinle silks conductor constitute its characterized in that: every the front end of power sinle silk all stretches out the terminal surface of sheath, and strip out power sinle silk conductor connecting portion, power sinle silk insulating layer connecting portion and power sinle silk semi-conductive layer connecting portion respectively, be equipped with the semi-conductive layer rubber tube outside the power sinle silk semi-conductive layer connecting portion, the semi-conductive layer rubber tube is inside to be supported there is the spiral stay tube, the aperture of semi-conductive layer rubber tube is less than the external diameter of power sinle silk semi-conductive layer connecting portion.
The shielding rubber jacketed flexible cable is characterized in that: the sheath consists of a first inner sheath, a reinforcing layer arranged outside the first inner sheath and an outer sheath arranged outside the reinforcing layer.
The shielding rubber jacketed flexible cable is characterized in that: the power cable core is arranged circumferentially, three control cable cores are arranged in the center among the power cable cores, each control cable core is composed of a control cable core conductor, a control cable core insulating layer arranged outside the control cable core conductor and a second inner sheath arranged outside the control cable core insulating layer, and the first inner sheath abuts against the power cable core semi-conducting layer.
The shielding rubber jacketed flexible cable is characterized in that: and three ground wire cores which are arranged in a circumferential manner are arranged between the adjacent power wire cores, and each ground wire core consists of a ground wire conductor and a ground wire insulating layer arranged outside the ground wire conductor.
The shielding rubber jacketed flexible cable is characterized in that: the reinforcing layer is steel wire armoring or steel tape armoring.
The shielding rubber jacketed flexible cable is characterized in that: and the power wire core conductor connecting part is connected with a wiring terminal in a pressing mode.
The shielding rubber jacketed flexible cable is characterized in that: the front end of the semi-conducting rubber pipe extends to the power wire core insulating layer connecting part.
The shielding rubber jacketed flexible cable is characterized in that: and a constant force spring is arranged at least at the front end of the semi-conductive layer rubber hose.
The utility model discloses a shielding rubber cover flexible cable advantage as follows: through being equipped with the semi-conductive layer rubber tube outside power core semi-conductive layer connecting portion, the semi-conductive layer rubber tube is interior to be supported by the spiral, after the cable is connected with equipment, take out the spiral stay tube and go out to wrap up the semi-conductive layer rubber tube in power core semi-conductive layer and power core insulating layer connecting portion, connect convenience very, and can improve the bending resistance and the leakproofness of junction greatly, prevent corrosive liquid from permeating in the junction gap (bending for a long time and leading to the fact the conductor easily, the insulating layer, easy production gap between the semi-conductive layer), and then improve corrosion resistance.
The present invention will be further explained with reference to the drawings attached to the specification.
Drawings
Fig. 1 is a schematic structural view of the shielding rubber jacketed flexible cable of the present invention;
fig. 2 is a partial sectional view of the shielding rubber-jacketed flexible cable of the present invention;
fig. 3 is a transverse sectional view of the shielding rubber jacketed flexible cable of the present invention;
fig. 4 is a cross-sectional view of the shielded cabtyre cable of the present invention.
Detailed Description
Referring to fig. 1-4, the shielding rubber jacketed flexible cable of the present invention includes three power wire cores 1 and a sheath 2 disposed outside the power wire cores 1. Each power wire core 1 is composed of a power wire core conductor 3, and a power wire core insulating layer 4 and a power wire core semi-conducting layer 5 which are arranged outside the power wire core conductor 3 in sequence. Every the front end of power core 1 all stretches out the terminal surface of sheath 2, and the extension is peeled off power core conductor connecting portion 6, power core insulating layer connecting portion 7 and power core semi-conductive layer connecting portion 8 respectively, power core semi-conductive layer connecting portion 8 is equipped with semi-conductive layer rubber tube 9 outward, be equipped with spiral supporting tube 10 in the semi-conductive layer rubber tube 9, semi-conductive layer rubber tube 9's aperture is less than the external diameter of power core semi-conductive layer connecting portion 8. The inner hole of the semi-conducting layer rubber hose 9 is expanded by the spiral supporting tube 10 and then is arranged outside the power wire core semi-conducting layer connecting part 8 in advance. The spiral support tube 10 is formed by spirally connecting plastic strips, and the plastic strips are integrally drawn out by drawing one end of the plastic strips, which is a well-known technology. After the spiral supporting pipe 10 is drawn out, the semi-conductive layer rubber pipe 9 is tightly wrapped on the power wire core semi-conductive layer connecting part 8. The semi-conductive rubber tube 9 is ideally made of EPDM (ethylene propylene diene monomer) conductive rubber.
Preferably, the sheath 2 is composed of a first inner sheath 11, a reinforcing layer 12 arranged outside the first inner sheath 11, and an outer sheath 13 arranged outside the reinforcing layer 12. The reinforcing layer 12 is steel wire armoured or steel tape armoured. The first inner sheath 11 and the outer sheath 13 are made of plastics, rubber, nylon weaving and the like. Adopt three-layer sheath structure, can improve the intensity and the bending resistance performance of cable greatly.
Preferably, the three power wire cores 1 are arranged circumferentially, three control wire cores 14 are arranged in the centers among the three power wire cores 1, each control wire core 14 is composed of a control wire core conductor 15, a control wire core insulating layer 16 arranged outside the control wire core conductor 15 and a second inner sheath 17 arranged outside the control wire core insulating layer 16, and the first inner sheath 11 abuts against the power wire core semi-conducting layer 5. By arranging three control wire cores 14 which are close together between three power wire cores 1 and are close to the power wire cores 1, the control wire cores 14 can be protected by the thicker power wire cores 1, so that the control wire cores 14 are prevented from being broken.
Preferably, three ground wire cores 18 which are arranged in a circumferential manner are arranged between the adjacent power wire cores 1, and each ground wire core 18 is composed of a ground wire conductor 19 and a ground wire insulating layer 20 arranged outside the ground wire conductor 19. To achieve the grounding function of the cable.
Preferably, the power core conductor connecting part 6 is crimped with a wiring terminal 21 to facilitate wiring operation by a user.
Preferably, the front end of the semi-conductive rubber hose 9 extends to the power wire core insulating layer connecting part 7, so that the power wire core insulating layer connecting part 7 is wrapped and sealed.
Preferably, a constant force spring 22 is provided at the front end of the semi-conductive rubber hose 9 to improve the tightness of the joint. The constant force spring is also called a constant force coil spring, is a multilayer annular structure formed by rolling metal sheets and is commonly used for fixing cables.
As described above, the present invention is not limited to the above embodiments, and although the present invention has been disclosed in the above embodiments, it is not limited to the above embodiments, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention.
Claims (8)
1. The utility model provides a shielding rubber cover flexible cable, includes three power sinle silk (1) and establishes sheath (2) outside power sinle silk (1), every power sinle silk (1) by power sinle silk conductor (3) and establish in proper order power sinle silk insulating layer (4), power sinle silk semi-conductive layer (5) outside power sinle silk conductor (3) are constituteed its characterized in that: every the front end of power sinle silk (1) all stretches out the terminal surface of sheath (2), and strip out power sinle silk conductor connecting portion (6), power sinle silk insulating layer connecting portion (7) and power sinle silk semi-conductive layer connecting portion (8) respectively, power sinle silk semi-conductive layer connecting portion (8) are equipped with semi-conductive layer rubber tube (9) outward, be equipped with spiral support tube (10) in semi-conductive layer rubber tube (9), the aperture of semi-conductive layer rubber tube (9) is less than the external diameter of power sinle silk semi-conductive layer connecting portion (8).
2. The shielded cabtyre cable according to claim 1, wherein: the sheath (2) consists of a first inner sheath (11), a reinforcing layer (12) arranged outside the first inner sheath (11) and an outer sheath (13) arranged outside the reinforcing layer (12).
3. The shielded cabtyre cable according to claim 2, wherein: three power sinle silk (1) are the circumference and arrange, and three center between power sinle silk (1) sets up three control sinle silks (14), every control sinle silk (14) are by control sinle silk conductor (15), establish control sinle silk insulating layer (16) outside control sinle silk conductor (15) and establish second inner sheath (17) outside control sinle silk insulating layer (16) are constituteed, first inner sheath (11) support in power sinle silk semi-conductive layer (5).
4. The shielded cabtyre cable according to claim 3, wherein: three ground wire cores (18) which are arranged in a circumferential manner are arranged between the adjacent power wire cores (1), and each ground wire core (18) consists of a ground wire conductor (19) and a ground wire insulating layer (20) arranged outside the ground wire conductor (19).
5. The shielded cabtyre cable according to claim 2, wherein: the reinforcing layer (12) is steel wire armoring or steel tape armoring.
6. The shielded cabtyre cable according to claim 1, wherein: and the power wire core conductor connecting part (6) is connected with a wiring terminal (21) in a pressing mode.
7. The shielded cabtyre cable according to claim 1, wherein: the front end of the semi-conductive rubber hose (9) extends to the power wire core insulating layer connecting part (7).
8. The shielded cabtyre cable according to claim 1, wherein: at least the front end of the semi-conductive layer rubber hose (9) is provided with a constant force spring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222343635.4U CN217982857U (en) | 2022-09-05 | 2022-09-05 | Shielding rubber jacketed flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222343635.4U CN217982857U (en) | 2022-09-05 | 2022-09-05 | Shielding rubber jacketed flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217982857U true CN217982857U (en) | 2022-12-06 |
Family
ID=84261403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222343635.4U Active CN217982857U (en) | 2022-09-05 | 2022-09-05 | Shielding rubber jacketed flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217982857U (en) |
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2022
- 2022-09-05 CN CN202222343635.4U patent/CN217982857U/en active Active
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