CN101834416B - Device and construction method for live repairing of strand-broken overhead earth wire of transmission line - Google Patents
Device and construction method for live repairing of strand-broken overhead earth wire of transmission line Download PDFInfo
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- CN101834416B CN101834416B CN2010101824439A CN201010182443A CN101834416B CN 101834416 B CN101834416 B CN 101834416B CN 2010101824439 A CN2010101824439 A CN 2010101824439A CN 201010182443 A CN201010182443 A CN 201010182443A CN 101834416 B CN101834416 B CN 101834416B
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- 238000009413 insulation Methods 0.000 claims description 11
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- 238000007906 compression Methods 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 claims description 3
- 230000009194 climbing Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a device for the live repairing of a strand-broken overhead earth wire of a transmission line and a method for the live repairing of a strand-broken overhead earth wire of a transmission line by adopting the device. The device comprises a wire clip for clamping a strand-broken overhead earth wire, a mounting device for controlling the wire clip and a retractor for retracting the wire clip and the mounting device. The tool has simple outline structure and convenient mounting (dismounting), frees working stuff from climbing to work at a strand-broken part of an earth wire, greatly lightens the labor intensity of operation stuff and enhances the working safety. The device is not restricted by conditions, such as rod shapes, terrain, earth wire heights, live wires, and the like, thereby having wide application range and higher practical popularization meaning.
Description
Technical field:
The present invention relates to a kind of equipment and construction method of charged repairing of strand-broken overhead earth wire of transmission line.
Background technology:
The overhead ground wire of transmission line is in running, and owing to disconnected burst phenomenon usually can take place multiple reasons such as ground line mass, thunderbolt, outside destroy, broken lot takes place under tension force and twisting force the ground wire behind the disconnected thigh.Operation has brought totally unfavorable influence to ground wire behind the broken lot to line security, and the one, and the safe distance between the live wire has satisfied not the designing requirement of circuit operation; The 2nd, line-to-earth fault very likely takes place like untimely processing, cause the compelled stoppage in transit of transmission line.
At present, domestic processing strand-broken overhead earth wire mainly contains three kinds of methods: 1, the operating personnel uses driving or coaster to get into disconnected strand along ground wire and handles under circuit charging operation situation.But the old circuit overhead ground wire of electric power system line directly is commonly 50 square millimeters; And " electric power safety working regulation " 8.3.8.1 bar clearly regulation ground wire steel strand wire to bear the smallest cross-sectional that personnel climb operation be 50 square millimeters; After taking place disconnected strand is not allow to climb operation, so this method is not suitable for 50 square millimeters and following ground wire.2, adopt insulation vertical ladder working system, the operating personnel handles to disconnected strand of point along the insulation vertical ladder, but this method labour intensity greatly and the restriction that receives too many, like landform, physical features, ground wire height, weather etc., it is bigger to carry out difficulty.3, the compelled stoppage in transit of circuit is put ground wire to ground and is handled, and has so both caused line outage, brings very big threat for again the reliability service of electrical network.
Summary of the invention:
For overcoming the defective of prior art, the object of the present invention is to provide a kind of equipment and construction method of charged repairing of strand-broken overhead earth wire of transmission line, realize the purpose that the disconnected strand ground wire of transmission line is carried out charged repairing.
Technical solution problem of the present invention adopts following technical scheme:
The equipment of charged repairing of strand-broken overhead earth wire of transmission line comprises:
A, ground wire ply-yarn drill, it has the quadra of top board and base plate, and said top board is as the lower clamp of ply-yarn drill; One tabular upper clamp is set; The bottom surface of said upper clamp vertically is fixed with the spiral shell that passes lower clamp, and said screw jacket is connected to spring, and the screw rod bottom is provided with nut and forms spring base; Axis direction in the relevant position of said upper and lower clamp forward surface by overhead ground wire offers arc groove;
B, ply-yarn drill erecting device; Comprise rectangular-shaped pedestal be fixed on the pedestal top and with the L-shaped punched steel plate that is connected of pedestal; Base side portion be positioned at punched steel plate below be hinged with the crank pull bar vertical with base plane, be connected with extension spring between crank pull bar and the pedestal; One push rod is set, and the bottom-hinged of said push rod also can be passed from punched steel plate on the crank pull bar;
C, tractor, said tractor comprise two semicircle steel pipes that are arranged side by side, and the outer wall that two steel pipes are held in opposite directions is hinged through hinge, and each steel pipe is provided with pin shaft hole away from the other end outer wall of pin joint; Wherein the outer wall of a steel pipe radially is fixedly connected with a rectangular steel plates, offers fixing hole and towing pad on the said steel plate.
Utilize equipment of the present invention to carry out the method for charged repairing of strand-broken overhead earth wire of transmission line, carry out as follows:
A, staff search and confirm the disconnected burst position of transmission line overhead ground wire on ground, not under the power-off condition, assemble said tractor, ground wire ply-yarn drill and erecting device thereof at circuit earlier on ground;
B, the ground wire ply-yarn drill is fixed on the punched steel plate of erecting device; The throw crank pull bar makes progress; Make it drive push rod passed and withstood on nut in the circular hole of the perforation of punched steel plate and base plate bottom surface,, make the upper and lower clamp spacing of ply-yarn drill increase length of spring compressed;
C, staff climb up shaft tower the upper and lower clamp of ply-yarn drill are fastened on the overhead ground wire; Simultaneously tractor is socketed on the overhead ground wire; Utilize rope that erecting device is fixedly connected with the tractor steel plate; On towing pad, penetrate insulated rope to ground, spur the moving tractor of traction insulation rope band, ground wire wire clamp and erecting device to disconnected burst of place by the ground staff again;
D, ground staff are through the crank pull bar of leaving behind of restricting that insulate, and the crank pull bar drives push rod and returns, and are discharged by the spring energy-storage of push rod compression on the ply-yarn drill; Ply-yarn drill just can tightly block disconnected strand ground wire, and is last, spurs the insulation rope on the tractor by the ground staff again; Tractor, ply-yarn drill and erecting device thereof are drawn go back to the shaft tower place; The staff pulls up the fixed pin shaft of tractor, opens semicircle steel pipe, just can take off tractor.
Compared with present technology, beneficial effect of the present invention is embodied in:
1, the present invention mainly adopts tractor, novel ground wire ply-yarn drill and erecting device thereof to carry out live line working, and therefore, the new method working procedure is comparatively simple, high efficiency.
2, the Work tool contour structures that adopts of the present invention simple, install (dismounting) convenient, need not the staff and ascend a height and locate to carry out work for disconnected strand to ground wire, alleviated operating personnel's labour intensity greatly, strengthened job security.
3, the present invention is not owing to receive condition restriction such as bar type, landform, ground wire height, circuit be charged, and therefore, this method is applied widely, has stronger real dissemination.
Description of drawings:
Fig. 1 is the front view of tractor of the present invention; Fig. 2 is the left view of Fig. 1 (among the figure two halves round steel pipe be in closure state and locked with bearing pin); Fig. 3 is the structural representation of ground wire ply-yarn drill of the present invention; Fig. 4 is the front view of ground wire ply-yarn drill erecting device of the present invention; Fig. 5 is the left view of Fig. 4.
Label among the figure: 1 pedestal, 2 punched steel plates, 3 crank pull bars, 4 extension springs, 5 push rods, 6 sleeves, 7 hook holes, 8 hooks; 9 pulleys, 10 base plates, 11 frameworks, 12 lower clamps, 12 ', 13 ' groove, 13 upper clamps, 14 screw rods; 15 springs, 16 nuts, 17 circular holes, 18 opening grooves, 19 steady pins, 20 ropes, 21 insulation ropes; 22,22 ' the semicircle steel pipe, 23 hinges, 24 pin shaft holes, 25 steel plates, 26 fixing holes, 27 towing pads, 28 bearing pins.
Below pass through embodiment, and combine accompanying drawing that the present invention is described further.
Embodiment:
Embodiment: combine Fig. 1,2, the tractor of present embodiment, 22,22 ', two outer walls that steel pipe is held in opposite directions of two semicircle steel pipes that are arranged side by side are hinged through hinge 23, and each steel pipe is provided with pin shaft hole 24 away from the other end outer wall of pin joint; Wherein the outer wall of a steel pipe radially is fixedly connected with a rectangular steel plates 25, offers fixing hole 26 and towing pad 27 on the said steel plate.In the practical implementation; Opening diameter be set be 30 millimeters, length and be two semicircle steel pipes of 300 millimeters; One side is fixed with two hinges 23; Opposite side welds a pin shaft hole respectively, and the outside, the middle part of a semicircle steel pipe is welded with long 122 millimeters, wide 82 a millimeters rectangular steel plates 25 therein; Steel plate avris and bottom have plurality of holes, the usefulness that is used for fixing and draws, and steel pipe and steel plate are zinc-plated material.Two pin shaft holes that are provided with on two semicircle steel pipes are for shifting to install; Promptly when two semicircle steel pipes were combined to form a round steel pipe, the central axis of two pin shaft holes was in a straight line so that the bearing pin 28 that is inserted in two pin shaft holes can lock together two semicircle steel pipes.
In conjunction with Fig. 3; The ground wire ply-yarn drill of present embodiment is a quadra 11 with top board and base plate 10; Top board is as the lower clamp 12 of ply-yarn drill, and a tabular upper clamp 13 is set, and the bottom surface of upper clamp 13 vertically is fixed with the screw rod 14 that passes lower clamp 12; Screw jacket is connected to spring 15, and the screw rod bottom is provided with nut 16 and forms spring base; In the relevant position of upper and lower clamp 13,12 forward surfaces by the axis direction of overhead ground wire offer arc groove 13 ', 12 '.
In order to prevent ply-yarn drill in traveling process, ground wire skids off from groove, is installed with at least two steady pins 19 that pass the lower clamp end face in the bottom surface of upper clamp, and the line between the steady pin is parallel to the axis of groove.
Shown in Figure 3, offer the circular hole 17 that penetrates base plate at the base plate 10 of quadra 11, the center of circle of circular hole is on the axis of said screw rod 14.
Structure in conjunction with the erecting device of Fig. 4,5 present embodiment ground wire ply-yarn drills; It comprises: rectangular-shaped pedestal 1 be fixed on the pedestal top and with the L-shaped punched steel plate that is connected 2 of pedestal; Base side portion be positioned at punched steel plate 2 below be hinged with the crank pull bar 3 vertical with base plane, be connected with extension spring 4 between crank pull bar 3 and the pedestal 1; One push rod 5 is set, and the bottom-hinged of push rod is on crank pull bar 3, and the upper end of push rod can be passed in the hole of punched steel plate upper surface.
Shown in Figure 5, form stationary sleeve 6 between one and the pedestal 1 being provided with below the punched steel plate 2, push rod 5 passes in sleeve 6, and when push rod is driven when moving up and down by the crank pull bar, sleeve 6 can carry out spacing to push rod 5.
Shown in Figure 4, offer hook hole 7 in the upper end of pedestal 1, be provided with one and be inverted U-shaped hook 8, pedestal 1 hanging support is on hook 8 during work, and the upper end of hook is provided with the pulley 9 that can hang on the overhead transmission line ground wire.
In the practical implementation; The rectangle steel plate of pedestal 1 usefulness centimeter (wide) * 1,21 centimeters (length) * 6 centimeter (thick) is made; Punched steel plate 2 forms with the rectangle steel plate of centimeter (wide) * 1,5 centimeters (length) * 3 centimeter (thick); The groove of 1.5 centimeters (wide) * 0.3 of grinding centimeter (thick) in the middle of punched steel plate has a perforation (perforation size and push rod diameter are basic identical) in the middle of the groove; Each fixing 5 centimeters long extension spring 4 in the pedestal both sides; The two ends of extension spring 4 are connected to pedestal and crank arm on the pull bar 5; A hinged push rod 5 movable up and down on the crank pull bar; Push rod passes from the sleeve 6 that a hollow steel pipe is processed, and sleeve is processed by the steel pipe of 2.5 centimeters of diameters, 3 centimeters of length; In the both sides, upper end of pedestal one hook hole 7 is arranged respectively, pedestal is by hook 8 hanging supports made from the U-shaped round steel, and the hook upper end is provided with pulley 9, and the U-shaped round steel is processed by 19 centimeters (height) * 0.8 centimeter (diameter).
The occupation mode of present device and adopt this equipment to carry out the method for charged repairing of strand-broken overhead earth wire of transmission line, carry out as follows:
A, staff search and confirm the disconnected burst position of transmission line overhead ground wire on ground, not under the power-off condition, assemble said tractor, ground wire ply-yarn drill and erecting device thereof at circuit earlier on ground;
B, the ground wire ply-yarn drill is fixed on the punched steel plate (2) of erecting device; Throw crank pull bar (3) makes progress; Make it drive push rod (5) passed and withstood on nut (16) in the circular hole (17) of the perforation of punched steel plate (2) and base plate (10) bottom surface; With spring (15) compression, make upper and lower clamp (13, the 12) spacing of ply-yarn drill increase;
C, staff climb up shaft tower the upper and lower clamp (13,12) of ply-yarn drill are fastened on the overhead ground wire; Open semicircle steel pipe 22,22 ' and it is entangled overhead ground wire; Plug steady pin 28 lockings; Utilize rope (20) that erecting device is fixedly connected with tractor steel plate (25), on towing pad (27), penetrate insulated rope, spur the moving tractor of traction insulation rope band, ground wire wire clamp and erecting device to disconnected burst of place by the ground staff again to ground;
D, ground staff are through insulation rope (21) the crank pull bar (3) of leaving behind, and the crank pull bar drives push rod (5) and returns, and is discharged by spring (15) energy storage of push rod compression on the ply-yarn drill; Ply-yarn drill just can tightly block disconnected strand ground wire, and is last, spurs the insulation rope on the tractor by the ground staff again; Tractor, ply-yarn drill and erecting device thereof are drawn go back to the shaft tower place; The staff pulls up the fixed pin shaft (28) of tractor, opens semicircle steel pipe, just can take off tractor in order to using next time again.
Claims (5)
1. the equipment of charged repairing of strand-broken overhead earth wire of transmission line is characterized in that said equipment comprises:
A, ground wire ply-yarn drill; It comprises the quadra (11) with top board and base plate (10); Said top board is as the lower clamp (12) of ply-yarn drill, and a tabular upper clamp (13) is set, and the bottom surface of said upper clamp vertically is fixed with the screw rod (14) that passes lower clamp; Said screw jacket is connected to spring (15), and the screw rod bottom is provided with nut (16) and forms spring base; Offer arc groove (13 ', 12 ') in the relevant position of said upper and lower clamp (13,12) forward surface by the axis direction of overhead ground wire; The base plate (10) of said quadra (11) offers the circular hole (17) that penetrates base plate, and the center of circle of said circular hole is on the axis of said screw rod (14);
B, ply-yarn drill erecting device; It comprises rectangular-shaped pedestal (1) be fixed on the pedestal top and with the L-shaped punched steel plate that is connected of pedestal (2); The below that is positioned at punched steel plate (2) in base side portion is hinged with the crank pull bar (3) vertical with base plane, is connected with extension spring (4) between crank pull bar and the pedestal; One push rod (5) is set, and the bottom-hinged of said push rod goes up and can pass from punched steel plate (2) in crank pull bar (3);
C, tractor, said tractor comprise two semicircle steel pipes that are arranged side by side (22,22 '), and the outer wall that two steel pipes are held in opposite directions is hinged through hinge (23), and each steel pipe is provided with pin shaft hole (24) away from the other end outer wall of pin joint; Wherein the outer wall of a steel pipe radially is fixedly connected with a rectangular steel plates (25), offers fixing hole and towing pad on the said steel plate.
2. the equipment of charged repairing of strand-broken overhead earth wire of transmission line according to claim 1; The bottom surface that it is characterized in that said upper clamp (13) is installed with at least two steady pins (19) that pass lower clamp (12) end face, and the line between the said steady pin is parallel to the axis of said groove (13 ', 12 ').
3. the equipment of charged repairing of strand-broken overhead earth wire of transmission line according to claim 1 is characterized in that in the below of said punched steel plate (2) sleeve (6) that is connected with pedestal (1) being set, and said push rod passes said sleeve and limited.
4. the equipment of charged repairing of strand-broken overhead earth wire of transmission line according to claim 1; It is characterized in that said pedestal (1) upper end offers hook hole (7); Be provided with one and be inverted U-shaped hook (8); Said pedestal hanging support is on hook, and the upper end of said hook is provided with can hang on the pulley (9) on the overhead transmission line.
5. method of utilizing the described equipment of claim 1 to carry out charged repairing of strand-broken overhead earth wire of transmission line is characterized in that carrying out as follows:
A, staff search and confirm the disconnected burst position of transmission line overhead ground wire on ground, not under the power-off condition, assemble said tractor, ground wire ply-yarn drill and erecting device thereof at circuit earlier on ground;
B, the ground wire ply-yarn drill is fixed on the punched steel plate (2) of erecting device; Throw crank pull bar (3) makes progress; Make it drive push rod (5) passed and withstood on nut (16) in the circular hole (17) of the perforation of punched steel plate (2) and base plate (10) bottom surface; With spring (15) compression, make upper and lower clamp (13, the 12) spacing of ply-yarn drill increase;
C, staff climb up shaft tower the upper and lower clamp (13,12) of ply-yarn drill are fastened on the overhead ground wire; Simultaneously tractor is socketed on the overhead ground wire; Utilize rope (20) that erecting device is fixedly connected with tractor steel plate (25); On towing pad (27), penetrate insulated rope to ground, spur the moving tractor of traction insulation rope band, ground wire wire clamp and erecting device to disconnected burst of place by the ground staff again;
D, ground staff are through insulation rope (21) the crank pull bar (3) of leaving behind, and the crank pull bar drives push rod (5) and returns, and is discharged by spring (15) energy storage of push rod compression on the ply-yarn drill; Ply-yarn drill just can tightly block disconnected strand ground wire, and is last, spurs the insulation rope on the tractor by the ground staff again; Tractor, ply-yarn drill and erecting device thereof are drawn go back to the shaft tower place; The staff pulls up the fixed pin shaft (28) of tractor, opens semicircle steel pipe, just can take off tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101824439A CN101834416B (en) | 2010-05-21 | 2010-05-21 | Device and construction method for live repairing of strand-broken overhead earth wire of transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101824439A CN101834416B (en) | 2010-05-21 | 2010-05-21 | Device and construction method for live repairing of strand-broken overhead earth wire of transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101834416A CN101834416A (en) | 2010-09-15 |
| CN101834416B true CN101834416B (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101824439A Expired - Fee Related CN101834416B (en) | 2010-05-21 | 2010-05-21 | Device and construction method for live repairing of strand-broken overhead earth wire of transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101834416B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425328A (en) * | 2011-09-23 | 2012-04-25 | 四川省电力公司自贡电业局 | Special wire fetching hook for assembled electric pole |
| CN102755718B (en) * | 2012-07-24 | 2014-12-17 | 辽宁省电力有限公司辽阳供电公司 | Wire climbing device |
| CN103001148A (en) * | 2012-12-04 | 2013-03-27 | 铜川供电局 | Simple-root breakage high-altitude connecting method for 330kVdouble-bundled conductor |
| CN108808577B (en) * | 2017-05-05 | 2020-01-21 | 中国科学院沈阳自动化研究所 | Power transmission line broken strand repairing tool |
| CN107947011A (en) * | 2017-11-16 | 2018-04-20 | 国家电网公司 | A kind of portable LGJ steel-cored aluminium strands positioning holder |
| CN108598990A (en) * | 2018-04-11 | 2018-09-28 | 南京理工大学 | A kind of hot line robot aerial earth wire replacement method for repairing and mending based on force feedback master ＆ slave control technology |
| CN108565776A (en) * | 2018-05-15 | 2018-09-21 | 国家电网公司 | A kind of suspension clamp replacement tool |
| CN109861137B (en) * | 2019-04-10 | 2020-09-04 | 国网江苏省电力有限公司灌云县供电分公司 | 110 kilovolt transmission line wire patching device |
| CN111884128B (en) * | 2020-08-21 | 2021-07-06 | 广州德晟电力科技有限公司 | 10kV distribution line uninterrupted repair wire device and repair method thereof |
| CN113866489B (en) * | 2021-09-27 | 2023-06-02 | 广东电网有限责任公司 | Telescopic induction electroscope |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2077598U (en) * | 1989-05-04 | 1991-05-22 | 张裕海 | Double-clamp wire clip mounted /dismounted without turnoff |
| CN2370598Y (en) * | 1999-02-12 | 2000-03-22 | 高正贤 | Conic tension-proof wire clip |
| JP4334669B2 (en) * | 1999-05-14 | 2009-09-30 | 中国電力株式会社 | Fixing device for hot-line work tools |
| JP2004056837A (en) * | 2002-07-16 | 2004-02-19 | Tohoku Electric Power Co Inc | Temporary cable support |
| JP4279128B2 (en) * | 2003-12-16 | 2009-06-17 | 関西電力株式会社 | Fixing device for hot-line work tools |
-
2010
- 2010-05-21 CN CN2010101824439A patent/CN101834416B/en not_active Expired - Fee Related
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| CN101834416A (en) | 2010-09-15 |
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Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121128 |
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Effective date of registration: 20121128 Address after: 239000 No. 510 Fenghuang Road, Anhui, Chuzhou Patentee after: Anhui Power Company Chuzhou Power Supply Company Patentee after: State Grid Corporation of China Address before: 239000 No. 510 Fenghuang Road, Anhui, Chuzhou Patentee before: Anhui Power Company Chuzhou Power Supply Company |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20120111 Termination date: 20200521 |