CN112133488B - Power cable for hydraulic reactor nuclear power station - Google Patents

Power cable for hydraulic reactor nuclear power station Download PDF

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Publication number
CN112133488B
CN112133488B CN202011006673.XA CN202011006673A CN112133488B CN 112133488 B CN112133488 B CN 112133488B CN 202011006673 A CN202011006673 A CN 202011006673A CN 112133488 B CN112133488 B CN 112133488B
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China
Prior art keywords
main body
cable main
cable
outer side
side wall
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CN202011006673.XA
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CN112133488A (en
Inventor
杨春贵
刘凤梅
赵明祥
杨俊驿
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Kunming Kunbao Wire & Cable Manufacturing Co ltd
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Kunming Kunbao Wire & Cable Manufacturing Co ltd
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Priority to CN202011006673.XA priority Critical patent/CN112133488B/en
Publication of CN112133488A publication Critical patent/CN112133488A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/02Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/40Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The invention discloses a power cable for a hydraulic pile nuclear power station, which comprises a cable main body, a connecting port, a wrapping tape, an outer sheath and an insulating shielding layer, wherein an outer side rubber film is uniformly arranged on the outer side wall of the cable main body, the connecting port is arranged at the central position of one side of the cable main body, a rotating rod is arranged at the central position of one side of the connecting port, and the outer sheath is uniformly arranged on the inner side wall of the cable main body. According to the invention, the first hinge wires are arranged on one side in the cable main body at equal intervals, the second hinge wires are uniformly arranged on the other side in the cable main body, the inner ends of the first hinge wires and the second hinge wires are arranged in a staggered manner, and the outer side rubber film on the outer side of the cable main body is connected with the first hinge wires and the second hinge wires, so that the outer side rubber film can be tightly attached to the outer side wall of the cable main body, and the outer side rubber film arranged on the outer side of the cable main body can prevent the outer side of the cable main body from being damaged due to collision, thereby prolonging the service life of the device.

Description

Power cable for hydraulic reactor nuclear power station
Technical Field
The invention relates to the technical field of power cables, in particular to a power cable for a hydraulic reactor nuclear power station.
Background
The power cable is commonly used for urban underground power grids, power station outgoing lines, power supply inside industrial and mining enterprises and underwater power transmission lines crossing rivers, and can be divided into medium and low voltage power cables (35 kilovolts and below), high voltage cables (more than 110 kilovolts), ultrahigh voltage cables (275-800 kilovolts) and extra-high voltage cables (more than 1000 kilovolts) according to voltage grades, in addition, the power cable can be divided into alternating current cables and direct current cables according to current systems, and the main application of the current cables can be divided into the following points: 1. an electric power system: the adopted electric wire and cable products mainly comprise an overhead bare wire, a bus bar (bus), an electric power cable (plastic cable, oilpaper cable (basically replaced by the plastic electric power cable), a rubber sleeve cable, an overhead insulated cable), a branch cable (replacing part of the bus), an electromagnetic wire, an electric equipment wire and cable for electric power equipment and the like; 2. information transmission: the electric wire and cable used for the information transmission system mainly comprises a local telephone cable, a television cable, an electronic cable, a radio frequency cable, an optical fiber cable, a data cable, an electromagnetic wire, an electric power communication or other composite cables and the like; 3. an instrument system: almost all other products except the overhead bare wire are applied, but mainly power cables, electromagnetic wires, data cables, instrument cables and the like, but existing power cables still have certain problems and defects when used, and the specific problems are as follows:
1. the current at the inner side of the power cable is leaked outside due to the damage easily generated by collision at the outer side of the main body of the existing power cable, so that the existing power cable has larger potential safety hazard, the service life of the power cable is shorter, and the service life of the power cable is shortened;
2. the splicing of two cable main bodies of the existing power cable is not convenient enough, when a longer power cable is needed, the splicing is time-consuming and labor-consuming, and the splicing flexibility between the two cable main bodies is weakened;
3. the existing power cable has insufficient hardness of the cable main body, the cable main body is softened to cause short circuit of the power cable when being used at high temperature, the spontaneous combustion phenomenon of the power cable is seriously caused due to higher use environment temperature, the practicability and functionality of the device are not weakened, and great unsafety is caused to the use of the power cable;
4. in the existing power cable, the adhesive force of a cable main body outside an outer sheath is insufficient, so that the outer sheath is separated from the inner side of the cable main body, and the normal use is influenced by the separation of the cable main body and the outer sheath.
Disclosure of Invention
The invention aims to provide a power cable for a hydraulic reactor nuclear power station, which aims to solve the problems that the outer side of a cable main body provided in the background technology is easy to damage due to collision, so that the current on the inner side of the power cable leaks outwards, the cable has larger potential safety hazard, the service life of the power cable is shorter, the service life of the power cable is shortened, the splicing of two cable main bodies is inconvenient, when a longer power cable is needed, the splicing is time-consuming and labor-consuming, the flexibility of splicing between the two cable main bodies is weakened, and the like.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a nuclear power station power cable is piled to water pressure, includes cable main part, connector, band, oversheath and insulation shielding layer, the lateral wall of cable main part evenly is provided with outside rubber membrane, and the central point of cable main part one side puts and is provided with the connector, and the central point of connector one side puts and is provided with the rotary rod, the inside wall of cable main part all evenly is provided with the oversheath, and the inside wall of oversheath all evenly is provided with the band, and the inboard homodisperse of band is provided with insulation shielding layer.
Preferably, the first articulated wires are arranged on one side in the cable main body at equal intervals, the second articulated wires are evenly arranged on the other side in the cable main body, the inner ends of the first articulated wires and the second articulated wires are arranged in a staggered mode, and the outer side rubber film on the outer side of the cable main body is connected with the first articulated wires and the second articulated wires, so that the outer side rubber film can be tightly attached to the outer side wall of the cable main body, and the outer side rubber film arranged on the outer side of the cable main body can prevent the outer side of the cable main body from being damaged due to collision.
Preferably, the outside of rotary rod is provided with the hexagonal rolling disc, and the inside wall of hexagonal rolling disc evenly is provided with rotatory screw thread, and the rotatory setting of one side and rotary rod of rotatory screw thread, and the rotary rod that the connector set up is passed through to the one end of cable main part, and the hexagonal rolling disc of the rotatory installation in the rotary rod outside is connected with cable main part equally to utilize the rotary rod to accomplish the concatenation of two cable main parts in the inboard rotation of hexagonal rolling disc.
Preferably, the inside wall of the wrapping tape is uniformly provided with an inner filler, the central line body is arranged at the middle position of the inner side of the inner filler in a penetrating manner, the hardness of the cable main body can be enhanced by the wrapping tape which is arranged at the middle position of the inner filler in a penetrating manner, short circuit caused by the fact that the cable main body is softened in the high-temperature use process is prevented, and the use practicability of the device can be enhanced.
Preferably, the inner side wall of the outer sheath is provided with wrapping tapes, and the insulating shielding layers arranged on the wrapping tapes are arranged at equal intervals.
Preferably, the inner side wall of the insulation shielding layer is uniformly provided with an insulation conductor shielding layer, and the middle position of the inner side of the insulation conductor shielding layer is provided with a power line core conductor.
Preferably, the lateral wall of oversheath is equidistant to be provided with latch mechanism, and the both ends of the inboard bottom of latch mechanism all are provided with miniature reverse spring, and the top of miniature reverse spring is provided with.
Preferably, a limiting die is arranged in the middle of the outer side of the clamping mechanism, and the middle of the limiting die is penetrated by a clamping block.
Preferably, the inner side wall of the cable main body is provided with clamping grooves at equal intervals, the clamping grooves are provided with grooves, and the grooves are meshed with the clamping blocks at the top ends.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the power cable for the water pressure reactor nuclear power station, the first hinge wires are arranged on one side in the cable main body at equal intervals, the second hinge wires are uniformly arranged on the other side in the cable main body, the inner ends of the first hinge wires and the second hinge wires are arranged in a staggered mode, and the outer side rubber film on the outer side of the cable main body is connected with the first hinge wires and the second hinge wires, so that the outer side rubber film can be tightly attached to the outer side wall of the cable main body;
(2) According to the power cable for the hydraulic pressure nuclear power station, the hexagonal rotating disc is arranged on the outer side of the rotating rod, the rotating threads are uniformly arranged on the inner side wall of the hexagonal rotating disc, one side of each rotating thread is rotatably arranged with the rotating rod, the device is provided with the rotating rod arranged at one end of the cable main body through the connecting port, and the hexagonal rotating disc rotatably arranged on the outer side of the rotating rod is also connected with the cable main body, so that the rotating rod rotates on the inner side of the hexagonal rotating disc to complete the splicing of the two cable main bodies, and the splicing flexibility between the two cable main bodies is enhanced;
(3) This kind of power cable for water pressure reactor nuclear power station through evenly being provided with the inner filler at the band inside wall, and the inboard intermediate position of inner filler runs through and is provided with the central line body, and the hardness that the intermediate position runs through including the device can strengthen the cable main part in the middle of the filler band, prevents that the cable main part from becoming soft when high temperature uses and causing the short circuit, can strengthen the practicality that the device used.
(4) This kind of power cable for hydraulic pressure reactor nuclear power station, through the intermediate position in the clamping mechanism outside is provided with spacing mould, and the intermediate position of spacing mould is run through by the fixture block, the equidistant draw-in groove that is provided with of cable main part inside wall, the draw-in groove is provided with the recess, and the top intermeshing of recess and fixture block, the device is when using the cable, through pressing down the cable main part, makes the miniature reverse spring that the oversheath outside set up break through spacing mould card and go into the draw-in groove inboard under the effect of external force, accomplishes cable main part inside wall and oversheath lateral wall interlock, can strengthen the adhesive force of oversheath outside cable main part in the oversheath outside, prevent that cable main part and oversheath separation from influencing the use.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a side view of the present invention;
FIG. 5 is a schematic internal cross-sectional view of the present invention;
FIG. 6 is an enlarged schematic view of the inner sidewall of the cable main body according to the present invention;
fig. 7 is an enlarged view of the structure at B in fig. 6 according to the present invention.
In the figure: 1. a cable body; 101. an outer rubber film; 102. a first hinge wire; 103. a second hinge wire; 2. a connection port; 201. rotating the rod; 202. rotating the screw thread; 203. a hexagonal rotating disk; 3. wrapping belts; 4. an outer sheath; 5. an insulating shield layer; 501. an insulated conductor shield layer; 502. a power core conductor; 6. an inner filler; 7. a centerline body; 8. a clamping mechanism; 801. a miniature reverse spring; 802. limiting a die; 803. a clamping block; 804. a clamping groove.
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.
Referring to fig. 1-7, an embodiment of the present invention is shown: a power cable for a hydraulic reactor nuclear power station comprises a cable main body 1, a connecting port 2, a wrapping tape 3, an outer sheath 4 and an insulating shielding layer 5, wherein an outer side rubber film 101 is uniformly arranged on the outer side wall of the cable main body 1, the connecting port 2 is arranged in the center position of one side of the cable main body 1, first hinge wires 102 are arranged on one side of the inner portion of the cable main body 1 at equal intervals, second hinge wires 103 are uniformly arranged on the other side of the inner portion of the cable main body 1, the inner ends of the first hinge wires 102 and the second hinge wires 103 are arranged in a staggered mode, the outer side rubber film 101 on the outer side of the cable main body 1 is connected with the first hinge wires 102 and the second hinge wires 103, so that the outer side rubber film 101 can be tightly attached to the outer side wall of the cable main body 1, and the outer side rubber film 101 arranged on the outer side of the cable main body 1 can prevent damage caused by collision;
a rotating rod 201 is arranged at the center of one side of the connecting port 2, a hexagonal rotating disc 203 is arranged on the outer side of the rotating rod 201, rotating threads 202 are uniformly arranged on the inner side wall of the hexagonal rotating disc 203, one side of each rotating thread 202 is rotatably arranged with the rotating rod 201, the device is arranged on the rotating rod 201 arranged at one end of the cable main body 1 through the connecting port 2, the hexagonal rotating disc 203 rotatably arranged on the outer side of the rotating rod 201 is also connected with the cable main body 1, and therefore the rotating rod 201 is used for rotating on the inner side of the hexagonal rotating disc 203 to complete splicing of the two cable main bodies 1;
the inner side walls of the cable main body 1 are uniformly provided with outer sheaths 4, the inner side walls of the outer sheaths 4 are provided with wrapping tapes 3, insulation shielding layers 5 arranged on the wrapping tapes 3 are arranged at equal intervals, the inner side walls of the insulation shielding layers 5 are uniformly provided with insulation conductor shielding layers 501, and power line core conductors 502 are arranged in the middle positions of the inner sides of the insulation conductor shielding layers 501;
the inner side walls of the outer sheath 4 are uniformly provided with wrapping strips 3, the inner sides of the wrapping strips 3 are uniformly distributed with insulating shielding layers 5, the inner side walls of the wrapping strips 3 are uniformly provided with inner fillers 6, the middle positions of the inner sides of the inner fillers 6 are provided with central line bodies 7 in a penetrating manner, the wrapping strips 3 penetrating through the middle positions of the inner fillers 6 can enhance the hardness of the cable main body 1, short circuit caused by the fact that the cable main body 1 is softened in high-temperature use is prevented, and the practicability of the device can be enhanced;
clamping mechanisms 8 are arranged on the outer side wall of the outer sheath 4 at equal intervals, miniature reverse springs 801 are arranged at two ends of the bottom of the inner side of each clamping mechanism 8, the top ends of the miniature reverse springs 801 are arranged, limiting dies 802 are arranged at the middle positions of the outer side of each clamping mechanism 8, the middle positions of the limiting dies 802 are penetrated through by clamping blocks 803, clamping grooves 804 are arranged on the inner side wall of the cable body 1 at equal intervals, the clamping grooves 804 are provided with grooves, the grooves are meshed with the top ends of the clamping blocks 803, the cable body 1 is pressed downwards, the miniature reverse springs 801 arranged on the outer side of the outer sheath 4 break through the limiting dies 802 and are clamped into the inner sides of the clamping grooves 804 under the action of external force, the inner side wall of the cable body 1 is meshed with the outer side wall of the outer sheath 4, the adhesive force of the cable body 1 on the outer side of the outer sheath 4 can be enhanced, and the cable body 1 and the outer sheath 4 are prevented from being separated and influencing use.
The working principle is as follows: before use, firstly, the cable main body 1 with the length which is suspected to be used is determined, after the determination is finished, the cable main body 1 is pressed downwards, the miniature reverse spring 801 arranged on the outer side of the outer sheath 4 breaks through the limiting die 802 and is clamped into the inner side of the clamping groove 804, the inner side wall of the cable main body 1 is meshed with the outer side wall of the outer sheath 4, the adhesive force of the cable main body 1 on the outer side of the outer sheath 4 can be enhanced, the cable main body 1 and the outer sheath 4 are prevented from being separated and influencing use, the outer side rubber film 101 on the outer side of the cable main body 1 is connected with the first hinging wire 102 and the second hinging wire 103, so that the outer side rubber film 101 can be tightly attached to the outer side wall of the cable main body 1, the outer side rubber film 101 on the outer side of the cable main body 1 can be prevented from being damaged due to collision, meanwhile, the device is arranged at one end of the cable main body 1 through the rotating rod 201 arranged on the connecting port 2, the hexagonal rotating disc 203 which is rotatably arranged on the outer side of the rotating disc 201 is also connected with the cable main body 1, so that the cable main body 1 is connected with the rotating disc 201, and the hexagonal splicing is completed, and the hexagonal splicing of the cable main body 1 is normally used.
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 (3)

1. The utility model provides a hydraulic pressure piles power cable for nuclear power station, includes cable main part (1), connector (2), band (3), oversheath (4) and insulation shielding layer (5), its characterized in that: the outer side wall of the cable main body (1) is uniformly provided with an outer side rubber film (101), a connector (2) is arranged at the central position of one side of the cable main body (1), a rotary rod (201) is arranged at the central position of one side of the connector (2), an outer sheath (4) is uniformly arranged on the inner side wall of the cable main body (1), wrapping belts (3) are uniformly arranged on the inner side wall of the outer sheath (4), insulating shielding layers (5) are uniformly dispersed and arranged on the inner sides of the wrapping belts (3), first hinged wires (102) are arranged on one side of the inner portion of the cable main body (1) at equal intervals, second hinged wires (103) are uniformly arranged on the other side of the inner portion of the cable main body (1), the inner ends of the first hinged wires (102) and the second hinged wires (103) are arranged in a staggered mode, a hexagonal rotating disc (203) is arranged on the outer side of the rotary rod (201), rotating threads (202) are uniformly arranged on the inner side wall of the hexagonal rotating disc (203), one side of the rotating threads (202) and a rotary rod (201) are rotatably arranged on the inner side of the inner side wall of the insulating shielding layers (5) and a reverse direction of a conductor shielding layer (501) is provided with an insulating conductor shielding layer clamping mechanism (8) at equal intervals, and a middle conductor core (501) of a miniature spring core (8) is arranged on the inner side of a miniature spring core (502), the top end of the miniature reverse spring (801) is provided with a limiting die (802), the middle position of the outer side of the clamping mechanism (8) is provided with the limiting die (802), the middle position of the limiting die (802) is penetrated through by a clamping block (803), clamping grooves (804) are arranged on the inner side wall of the cable main body (1) at equal intervals, grooves are formed in the clamping grooves (804), and the grooves are meshed with the top ends of the clamping blocks (803).
2. The power cable for a hydraulic reactor nuclear power plant according to claim 1, wherein: the bag belt (3) is characterized in that inner side walls of the bag belt (3) are uniformly provided with inner fillers (6), and a central line body (7) penetrates through the middle position of the inner sides of the inner fillers (6).
3. The power cable for the hydraulic reactor nuclear power plant as recited in claim 1, wherein: the inner side wall of the outer sheath (4) is provided with wrapping tapes (3), and the insulating shielding layers (5) arranged on the wrapping tapes (3) are arranged at equal intervals.
CN202011006673.XA 2020-09-23 2020-09-23 Power cable for hydraulic reactor nuclear power station Active CN112133488B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011006673.XA CN112133488B (en) 2020-09-23 2020-09-23 Power cable for hydraulic reactor nuclear power station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011006673.XA CN112133488B (en) 2020-09-23 2020-09-23 Power cable for hydraulic reactor nuclear power station

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CN112133488A CN112133488A (en) 2020-12-25
CN112133488B true CN112133488B (en) 2022-11-04

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103280258A (en) * 2013-06-05 2013-09-04 林伟良 Electronic cable
CN205863529U (en) * 2016-01-14 2017-01-04 新疆西北星信息技术有限责任公司 A kind of mining netting twine connection system
CN207381147U (en) * 2017-10-30 2018-05-18 安徽明都电力线缆有限公司 A kind of anti-fracture high stability cable
CN208637178U (en) * 2018-07-04 2019-03-22 扬州劳根电气有限公司 A kind of high-intensitive coalfield detection cable of oil exploration robot
CN208722611U (en) * 2018-10-12 2019-04-09 江苏长峰电缆有限公司 A kind of multistoried building medium-pressure power cable
CN109637716A (en) * 2018-12-25 2019-04-16 昆明三川电线电缆有限公司 A kind of charging pile cable of stretch-proof
CN209515247U (en) * 2019-04-09 2019-10-18 北京市重型电缆厂 A kind of cold-resistant frequency-conversion power cable
CN210040494U (en) * 2019-07-16 2020-02-07 深圳市爱得乐电子有限公司 Military high-reliability radio frequency cable assembly for field combat tank
CN211350141U (en) * 2019-11-19 2020-08-25 珠海宇讯同轴电缆有限公司 Insulating cable difficult to break in bending

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