CN110289575B - Electric power wire drawing device - Google Patents
Electric power wire drawing device Download PDFInfo
- Publication number
- CN110289575B CN110289575B CN201910257677.6A CN201910257677A CN110289575B CN 110289575 B CN110289575 B CN 110289575B CN 201910257677 A CN201910257677 A CN 201910257677A CN 110289575 B CN110289575 B CN 110289575B
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- China
- Prior art keywords
- wire
- fan
- pawl
- fixing plate
- involute
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- 238000005491 wire drawing Methods 0.000 title description 8
- 230000002512 anti-withdrawal effect Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Landscapes
- Electric Cable Installation (AREA)
Abstract
The invention discloses an electric power wire pulling device, which comprises a wire clamping device and a wire tightener; the wire clamping device mainly comprises a wire fixing seat, a main involute locking wheel, a connecting rod and an opening and closing handle, wherein a trapezoid fixing plate is vertically arranged on the wire fixing seat, and the main involute locking wheel is in a fan shape; the tightener mainly comprises a chain, an anti-withdrawal pawl, a pushing pawl, a tightening lever and a base. The device supplies have simple structure, high-efficient safe characteristics, and it is taut that uses it to carry out the power cable work can reduce constructor, reduce intensity of labour, improve work efficiency, and fail safe nature is high moreover. In addition, the device can accurately control the tensioning degree according to the requirement when the power cable is tensioned, and further ensure the safe operation of the power line.
Description
Technical Field
The invention belongs to a power cable pulling tool, and particularly relates to a power wire pulling device.
Background
The tightening work of the power cable is important in the process of erecting the power line. Traditional manual traction often requires multiple people to operate simultaneously, and has the advantages of high labor intensity, low working efficiency and improper operation, and safety accidents are very easy to occur. Moreover, the tightness of the manually pulled line cannot be ensured, the line is too loose and sagging and is easy to generate cable collision short circuit, and the line is too tight and is easy to generate wire breakage and even wire rod collapse.
Disclosure of Invention
The invention aims to solve the technical problem of providing the electric power wire pulling device which is simple in structure, efficient and safe.
In order to solve the technical problems, the invention adopts the following technical scheme:
the electric power wire pulling device comprises a wire clamping device and a wire tightener; the wire clamping device mainly comprises a wire fixing seat, a main involute locking wheel, a connecting rod and an opening and closing handle, wherein a trapezoid fixing plate is vertically arranged on the wire fixing seat, and the main involute locking wheel is in a fan shape; the fan-shaped fan handle is hinged with one end of the connecting rod, the other end of the connecting rod is connected with the hanging lug, the fan-shaped fan surface is hinged with the upper left vertex angle of the trapezoid fixing plate, and a corresponding limit groove and a limit pin are arranged at the overlapping part of the fan surface and the trapezoid fixing plate; the opening and closing handle is hinged with the upper part of the trapezoid fixed plate, one side of an upper hinge point of the opening and closing handle is connected with the connecting rod, and the other side of the hinge point is connected with the left lower bottom corner of the trapezoid fixed plate through the tension spring; the tightener mainly comprises a chain, an anti-withdrawal pawl, a pushing pawl, a tightening lever and a base, wherein a pawl fixing plate is erected on the base, a lever supporting plate is erected below the base, the bottom of the base is horizontally placed with the chain, and a tightening end of the chain is provided with a drag hook; the anti-withdrawal pawl is connected to one side of the pawl fixing plate through a rotating pin, and a spring is arranged at the rotating pin; the pushing pawl is arranged in a limit groove in the middle of the pawl fixing plate, the other side of the pawl fixing plate is provided with a cross rod tensioning hook, and the cross rod tensioning hook is connected with the tail end of the other side of the pawl fixing plate through a locking screw; the wire tightening lever is connected with the lever supporting plate through a rotating pin, one side of the connecting part is connected with the pushing pawl through the rotating pin, and a spring is arranged at the rotating pin.
The electric wire drawing device further comprises an auxiliary involute locking wheel, wherein the auxiliary involute locking wheel is in a fan shape; the fan-shaped fan handle is hinged with one end of the connecting rod, the other end of the connecting rod is connected with the hanging lug, the fan-shaped fan surface is hinged with the upper right vertex angle of the trapezoid fixing plate, and the overlapping part of the fan surface and the trapezoid fixing plate is provided with a corresponding limit groove and a limit pin thereof.
Aiming at the problem that the power cable tensioning work exists when the power line is erected at present, the inventor designs and makes a power wire pulling device which comprises a wire clamping device and a wire tightening device; the wire clamping device mainly comprises a wire fixing seat, a main involute locking wheel, a connecting rod and an opening and closing handle, wherein a trapezoid fixing plate is vertically arranged on the wire fixing seat, and the main involute locking wheel is in a fan shape; the tightener mainly comprises a chain, an anti-withdrawal pawl, a pushing pawl, a tightening lever and a base. The device supplies have simple structure, high-efficient safe characteristics, and it is taut that uses it to carry out the power cable work can reduce constructor, reduce intensity of labour, improve work efficiency, and fail safe nature is high moreover. In addition, the device can accurately control the tensioning degree according to the requirement when the power cable is tensioned, and further ensure the safe operation of the power line.
Drawings
Fig. 1 is a schematic structural view of a wire tensioner in an electric power cord apparatus of the present invention.
Fig. 2 is a schematic diagram of a double-ended wire holder in the power wire drawing device of the present invention.
Fig. 3 is a schematic view of a use state of the double-ended wire holder in the power wire drawing device of the present invention.
Fig. 4 is a schematic structural view of a single-head wire gripper in the power wire drawing device of the invention.
Fig. 5 is a schematic view of a single-head wire gripper in the power wire drawing device according to the present invention.
In the figure: the wire pulling device comprises a draw hook 1, a chain 2, a 3 anti-withdrawal pawl 4, a spring 5, a push pawl 6, a base 7, a cross rod tensioning hook 8, a locking screw 9, a cross rod 10, a rotary pin 11, a wire tightening lever 12, a pawl fixing plate 13, a lever supporting plate 14, a limiting groove 15, a 15 opening and closing handle 16, a wire fixing seat 17, a tension spring 18, a limiting pin 19, a main involute locking wheel 20, a connecting rod 21, a hanger 22, an auxiliary involute locking wheel 23, a trapezoid fixing plate 24 and wires.
Detailed Description
Basic structure
As shown in the figure, the electric power wire pulling device comprises a wire clamping device and a wire tightener. Wherein,
The wire clamping device mainly comprises a wire fixing seat 6, a main involute locking wheel 19, a connecting rod 20 and an opening and closing handle 15, wherein a trapezoid fixing plate 23 is vertically arranged on the wire fixing seat, and the main involute locking wheel is in a fan shape; the fan-shaped fan handle is hinged with one end of the connecting rod, the other end of the connecting rod is connected with the hanging lug, the fan-shaped fan surface is hinged with the upper left vertex angle of the trapezoid fixing plate, and a corresponding limit groove and a limit pin are arranged at the overlapping part of the fan surface and the trapezoid fixing plate; the opening and closing handle is hinged with the upper part of the trapezoid fixed plate, one side of a hinge point on the opening and closing handle is connected with the connecting rod, and the other side of the hinge point is connected with the left lower bottom corner of the trapezoid fixed plate through the tension spring 17. An auxiliary involute locking wheel 22 can be additionally arranged, so that two involute locking wheels are respectively arranged on two sides of the opening and closing handle, and the two involute locking wheels jointly lock the power cable, so that the stability of the tightening wire is improved. The auxiliary involute locking wheel is in a fan shape; the fan-shaped fan handle is hinged with one end of a connecting rod, the other end of the connecting rod is connected with a hanging lug 21, the fan-shaped fan surface is hinged with the upper right vertex angle of the trapezoid fixing plate, and a corresponding limit groove and a limit pin 18 thereof are arranged at the overlapping part of the fan surface and the trapezoid fixing plate.
The tightener mainly comprises a chain 2, an anti-withdrawal pawl 3, a pushing pawl, a tightening lever 11 and a base 6, wherein a pawl fixing plate 12 is erected on the base, a lever supporting plate 13 is erected below the base, the bottom of the base is horizontally placed with the chain, and a tightening end of the chain is provided with a draw hook 1; the anti-withdrawal pawl is connected to one side of the pawl fixing plate through a rotating pin, and a spring 4 is arranged at the position of the rotating pin 10; the pushing pawl 5 is arranged in a limit groove 14 in the middle of the pawl fixing plate, the other side of the pawl fixing plate is provided with a cross rod tensioning hook 7, and the cross rod tensioning hook is connected with the tail end of the other side of the pawl fixing plate through a locking screw 8; the wire tightening lever is connected with the lever supporting plate through a rotating pin, one side of the connecting part is connected with the pushing pawl through the rotating pin, and a spring is arranged at the rotating pin.
Application method
The double-end wire clamping device compresses the wires by adopting two involute locking wheels and forms self-locking to realize tightening and tightening; on the contrary, the opening and closing handle swings to simultaneously open and close the two involute locking wheels to the desired positions and play a role in loosening the wires.
The single-head wire clamp compresses the wires and forms self-locking by adopting a single involute locking wheel so as to realize tightening and tightening; on the contrary, the opening and closing handle is rocked to simultaneously open and close the single involute locking wheel to a desired position and play a role in loosening the wire.
The tightener adopts a mode that a pawl pushes a chain to pull a wire, a hand-operated wire tightening lever provides power, the wire can be pushed 50mm at maximum back and forth, and the total stroke of a stay wire can be provided according to the length of the chain. When the pushing ends and the pushing pawl moves backwards, the anti-back pawl clamps the chain, so that the chain is prevented from backing.
When the electric power wire drawing device is used, the wire clamping device and the wire tightener are required to be matched. One side tightener is fixed on the cross rod 9 through a cross rod tightening hook, the cross rod tightening hook is pulled outwards and upwards to the bottom, the tightener is inserted above the cross rod, the cross rod tightening hook rotates downwards to the bottom by 180 degrees, and the cross rod tightening hook hooks the cross rod upwards to tighten and lock the cross rod with a locking screw; the other side gripper grips the power conductor 24. The drag hook of the chain in the tightener hooks the hanging lugs of the wire clamp, and then the wire tightening lever starts to tighten the wire until the wire is at a proper position.
Claims (1)
1. The electric power wire pulling device is characterized by comprising a wire clamping device and a wire tightener; the wire clamp is a double-head wire clamp; the double-end wire clamping device mainly comprises a wire fixing seat, a main involute locking wheel, a connecting rod and an opening and closing handle, wherein a trapezoidal fixing plate is vertically arranged on the wire fixing seat, the main involute locking wheel is in a fan shape, a fan-shaped fan handle is hinged with one end of the connecting rod, the other end of the connecting rod is connected with a hanging lug, a fan-shaped fan surface is hinged with the upper left vertex angle of the trapezoidal fixing plate, and a corresponding limit groove and a limit pin thereof are arranged at the overlapping part of the fan surface and the trapezoidal fixing plate; the opening and closing handle is hinged with the upper part of the trapezoid fixed plate, one side of an upper hinge point of the opening and closing handle is connected with the connecting rod, and the other side of the hinge point is connected with the left lower bottom corner of the trapezoid fixed plate through the tension spring; the wire tightener mainly comprises a chain, an anti-withdrawal pawl, a pushing pawl, a wire tightening lever and a base, wherein a pawl fixing plate is erected on the base, a lever supporting plate is erected below the base, the bottom of the base is horizontally placed on the chain, and a wire tightening end of the chain is provided with a drag hook; the anti-withdrawal pawl is connected to one side of the pawl fixing plate through a rotating pin, and a spring is arranged at the rotating pin; the pushing pawl is arranged in a limit groove in the middle of the pawl fixing plate, the other side of the pawl fixing plate is provided with a cross rod tensioning hook, and the cross rod tensioning hook is connected with the tail end of the other side of the pawl fixing plate through a locking screw; the wire tightening lever is connected with the lever supporting plate through a rotating pin, one side of the connecting part is connected with the pushing pawl through the rotating pin, and a spring is arranged at the rotating pin; the double-end thread clamp further comprises auxiliary involute locking wheels, wherein two sides of the opening and closing handle are respectively provided with one involute locking wheel, one is a main involute locking wheel and the other is an auxiliary involute locking wheel; the auxiliary involute locking wheel is in a fan shape; the fan-shaped fan handle is hinged with one end of the connecting rod, the other end of the connecting rod is connected with the hanging lug, the fan-shaped fan surface of the fan-shaped handle is hinged with the upper right vertex angle of the trapezoid fixing plate, and a corresponding limit groove and a limit pin thereof are arranged at the overlapping part of the fan surface of the fan-shaped handle and the trapezoid fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257677.6A CN110289575B (en) | 2019-04-01 | 2019-04-01 | Electric power wire drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257677.6A CN110289575B (en) | 2019-04-01 | 2019-04-01 | Electric power wire drawing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110289575A CN110289575A (en) | 2019-09-27 |
| CN110289575B true CN110289575B (en) | 2024-07-16 |
Family
ID=68001295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910257677.6A Active CN110289575B (en) | 2019-04-01 | 2019-04-01 | Electric power wire drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110289575B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119108929B (en) * | 2024-09-05 | 2025-09-02 | 国网江苏省电力有限公司泰州供电分公司 | Tensioning device and cable laying system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR987777A (en) * | 1949-06-03 | 1951-08-20 | Tensioning device for metal wires and cables | |
| CN2382154Y (en) * | 1999-05-09 | 2000-06-07 | 玉环双友机械工具有限公司 | Wire extender |
| CN201927973U (en) * | 2010-12-13 | 2011-08-10 | 山东电力集团公司临沂供电公司 | Anti-bird device for transmission line |
| CN209608225U (en) * | 2019-04-01 | 2019-11-08 | 广西电网有限责任公司北海供电局 | Line of power device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB374543A (en) * | 1931-03-20 | 1932-06-16 | William Smith Henson | Improvements in or relating to hauling, lifting and the like devices suitable for withdrawing pit props and the like |
| AT363516B (en) * | 1979-09-10 | 1981-08-10 | Nesler Johann | PARALLEL CLAMP |
| CN202503220U (en) * | 2012-03-10 | 2012-10-24 | 中国石油化工股份有限公司 | Electric power line moment tightening device |
| CN103618258B (en) * | 2013-11-18 | 2016-02-24 | 国家电网公司 | A kind of electric transmission line erection tightener |
| CN203690808U (en) * | 2013-12-05 | 2014-07-02 | 国家电网公司 | Wire grip |
| CN204464879U (en) * | 2015-03-27 | 2015-07-08 | 邹新军 | A kind of fixing-line device |
| CN105449589B (en) * | 2015-12-31 | 2017-06-20 | 国家电网公司 | Prevent wire from slipping the card line device of race during a kind of tension stringing |
| CN105470868B (en) * | 2016-01-29 | 2017-07-07 | 国网山东省电力公司济阳县供电公司 | Line clamping device for line pulling during electric power line construction |
| CN207098455U (en) * | 2017-04-20 | 2018-03-13 | 贵州电网有限责任公司都匀供电局 | A kind of ratchet reel type double hook double back wire tensioning device |
-
2019
- 2019-04-01 CN CN201910257677.6A patent/CN110289575B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR987777A (en) * | 1949-06-03 | 1951-08-20 | Tensioning device for metal wires and cables | |
| CN2382154Y (en) * | 1999-05-09 | 2000-06-07 | 玉环双友机械工具有限公司 | Wire extender |
| CN201927973U (en) * | 2010-12-13 | 2011-08-10 | 山东电力集团公司临沂供电公司 | Anti-bird device for transmission line |
| CN209608225U (en) * | 2019-04-01 | 2019-11-08 | 广西电网有限责任公司北海供电局 | Line of power device |
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| Publication number | Publication date |
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| CN110289575A (en) | 2019-09-27 |
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