CN115021143A - General live working of transmission line is taken a load on one's shoulder or another device - Google Patents
General live working of transmission line is taken a load on one's shoulder or another device Download PDFInfo
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- CN115021143A CN115021143A CN202210630826.0A CN202210630826A CN115021143A CN 115021143 A CN115021143 A CN 115021143A CN 202210630826 A CN202210630826 A CN 202210630826A CN 115021143 A CN115021143 A CN 115021143A
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- anchor clamps
- transmission line
- angle steel
- pole part
- wire
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- 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
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
本发明涉及一种输电线路通用型带电作业假担装置，它包括假担和锁线器，假担包括长担部和短担部，长担部和短担部通过旋转节活动连接，短担部下方设置有锁线器，锁线器包括绝缘杆，绝缘杆上方左右两侧均设置有第一支架，第一支架内侧均设置有定滑轮，定滑轮下方均设置有拉线，第一支架内侧下方均设置有第二支架，第二支架内侧均设置有引线轮，绝缘杆下方端部设置有万向球，万向球下方设置有连接轴承，连接轴承下方设置有轴销，轴销左右两侧均设置有线夹，线夹内侧均设置有防滑保护垫，线夹外侧均设置有用于连接拉线的固定环；本发明具有结构简单、便于操作使用、安装便捷、通用性强、安全可靠的优点。
The invention relates to a general-purpose live work dummy device for transmission lines, which comprises a dummy and a wire locking device. The dummy comprises a long pole part and a short pole part; the long pole part and the short pole part are movably connected by a rotating joint; A wire locking device is arranged under the part, and the wire locking device includes an insulating rod. A first bracket is arranged on the left and right sides of the upper part of the insulating bar. A fixed pulley is arranged on the inner side of the first bracket. A second bracket is arranged below, a lead wheel is arranged on the inner side of the second bracket, a universal ball is arranged at the lower end of the insulating rod, a connecting bearing is arranged under the universal ball, and a shaft pin is arranged under the connecting bearing. Cable clips are arranged on the sides, anti-skid protection pads are arranged on the inner side of the cable clips, and fixing rings for connecting the pull wires are arranged on the outer side of the cable clips; the invention has the advantages of simple structure, convenient operation and use, convenient installation, strong versatility, safety and reliability. .
Description
Technical Field
The invention belongs to the technical field of live working dummy arm equipment, and particularly relates to a universal live working dummy arm device for a power transmission line.
Background
Live working refers to an operation method for overhauling and testing high-voltage electrical equipment without power cut, the content of the live working can be divided into live testing, live inspection, live maintenance and the like, objects of the live working comprise electrical equipment of a power plant and a substation, overhead transmission lines, distribution lines and distribution equipment, the transmission live working is increasingly indispensable along with the improvement of the power supply reliability, the tower forms of the current transmission lines are various, the live-line tool used in live-line operation, especially the live-line operation false arm device has the defects of tool and instrument mismatching, high operation difficulty and high danger coefficient, the existing live working dummy arm device only hooks the lead through the lead hook, so that the stability is not high, the lead is easy to fall off, a large potential safety hazard exists, and the device cannot be suitable for leads of different specifications of a power transmission line; therefore, it is very necessary to provide a general live working dummy arm device for a power transmission line, which has the advantages of simple structure, convenient operation and use, convenient installation, strong universality, safety and reliability.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a universal live working dummy arm device for a power transmission line, which has the advantages of simple structure, convenience in operation and use, convenience in installation, strong universality, safety and reliability.
The purpose of the invention is realized as follows: a general live working dummy arm device for a power transmission line comprises a dummy arm and a wire locking device, wherein the dummy arm comprises a long arm part and a short arm part which are movably connected through a rotary joint, a plurality of through holes are formed in the long arm part, a first threaded hole is formed in the short arm part, a first hand-screwed screw rod is arranged in the first threaded hole, the wire locking device is arranged below the short arm part and comprises an insulating rod, a second threaded hole is formed in the insulating rod corresponding to the first hand-screwed screw rod, first supports are arranged on the left side and the right side above the insulating rod, fixed pulleys are arranged on the inner sides of the first supports, pull wires are arranged below the fixed pulleys, a second support is arranged below the inner side of the first supports, and lead wheels are arranged on the inner sides of the second supports, insulator spindle below tip be provided with universal ball, universal ball below be provided with connection bearing, connection bearing below be provided with the pivot, the inside torsional spring that is provided with of pivot, the pivot left and right sides all be provided with the fastener, the fastener inboard all be provided with anti-skidding protection pad, anti-skidding protection pad and fastener between evenly be provided with a plurality of protection spring, the fastener outside all be provided with the solid fixed ring who is used for connecting acting as go-between.
The insulating rod preceding below be provided with the headstock, the headstock preceding be provided with driving motor, the inside driving motor department that corresponds of headstock be provided with the master gear, the master gear left and right sides be provided with first pinion and second pinion respectively, first pinion and second pinion inboard all be provided with and be used for connecting the corresponding reel of acting as go-between.
First support and second support be "V" shape structure, fastener, antiskid protection pad and solid fixed ring be the arc structure, first screw hole be the through-hole, the second screw hole be the blind hole.
The utility model provides a first angle steel anchor clamps for general type live working of transmission line is loaded down on a burden and is put, includes the third screw hole, third screw hole inside be provided with the second-hand screw rod of twisting, the second-hand screw rod of twisting below be provided with the extrusion spring, extrusion spring below be provided with and move anchor clamps, the anchor clamps left and right sides of moving all be provided with the slider, slider below all be provided with the slide, move anchor clamps below and be provided with quiet anchor clamps, move and be provided with the cross arm angle steel between anchor clamps and the quiet anchor clamps, first angle steel anchor clamps outside top be provided with the limiting plate.
The slide be the rectangle structure just slider and slide sliding connection, quiet anchor clamps be with cross arm angle steel assorted triangle-shaped structure, the movable anchor clamps inboard be provided with cross arm angle steel assorted triangle-shaped recess.
The utility model provides a second angle steel anchor clamps for general electrified operation of transmission line pseudo-arm device, is including articulated seat, articulated seat right side be provided with the anchor clamps board, anchor clamps board top be provided with U type staple bolt, anchor clamps board top left and right sides correspond cross arm angle steel department and all be provided with the double-layered groove.
The clamping groove is of a G-shaped structure.
The invention has the beneficial effects that: the invention relates to a universal live working dummy arm device for a power transmission line, which comprises a long arm part and a short arm part, wherein the long arm part and the short arm part are movably connected through a rotary joint, so that the angle of the long arm part can be conveniently adjusted, and the operation and the use are convenient, the invention realizes that a first hand screwing screw rod can rapidly rotate in a reciprocating manner in a first threaded hole through a first hand screwing screw rod, a wire locking device and a second threaded hole structure of the wire locking device, further realizes the lifting and the descending of an insulating rod of the wire locking device under the rotating action of the first hand screwing screw rod through a second threaded hole, a driving motor drives a first auxiliary gear and a second auxiliary gear to rotate oppositely through a main gear, the winding and unwinding of a pulling wire are realized, the opening and the closing of the wire clamp are further realized, a universal ball and a connecting bearing are arranged at the end part below the insulating rod, the angle of the wire clamp is convenient to adjust the angle of the wire clamp, and the clamping and the fixing of the wire is better realized, the wire clamps are movably connected through the torsional springs, the wires can be better clamped under the acting force of the torsional springs, the stability in use is greatly improved, the wires are not easy to fall off, the potential safety hazard is reduced, the wire clamps can also be suitable for the wires of the power transmission lines with different specifications, the practicability and the universality are strong, after the wires are clamped by the wire clamps, the insulating rods are driven by the first hand screwing screw rod to move upwards, and then the wires are driven by the wire clamps to move upwards; the invention has the advantages of simple structure, convenient operation and use, convenient installation, strong universality, safety and reliability.
Drawings
Fig. 1 is a front view of a general live working dummy arm device for a power transmission line of the present invention.
Fig. 2 is a schematic structural diagram of a wire locker of a general live working dummy arm device for a power transmission line of the present invention.
Fig. 3 is a partial structural schematic diagram of fig. 2.
Fig. 4 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 5 is a schematic view of a first embodiment of the present invention.
Fig. 6 is a schematic structural view of the first angle iron clamp in fig. 5.
Fig. 7 is a schematic view of a second embodiment of the present invention.
Fig. 8 is a schematic structural view of the jig plate in fig. 7.
Fig. 9 is an enlarged view of the structure at B in fig. 8.
In the figure: 1. the temporary arm 101, the long arm 102, the short arm 103, the rotary joint 11, the first threaded hole 12, the first hand-threaded screw 13, the through hole 2, the wire locker 21, the insulating rod 22, the second threaded hole 23, the first bracket 24, the fixed pulley 25, the pull wire 26, the second bracket 27, the lead wheel 28, the universal ball 29, the connection bearing 210, the shaft pin 211, the torsion spring 212, the wire clamp 213, the anti-slip protection pad 214, the protection spring 215, the fixed ring 216, the power box 217, the driving motor 218, the main gear 219, the first sub gear 220, the second sub gear 221, the wire winding wheel 3, the first angle iron clamp 31, the third threaded hole 32, the second hand-threaded screw 33, the stopper plate 34, the pressing spring 35, the movable clamp 36, the slider 37, the slide way 38, the stationary clamp 39, the angle iron 4, the second angle iron clamp 41, A hinged seat 42, a clamp plate 43, a U-shaped hoop 44 and a clamping groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-9, a universal live working dummy arm device for power transmission lines comprises a dummy arm 1 and a wire locker 2, wherein the dummy arm 1 comprises a long arm part 101 and a short arm part 102, the long arm part 101 and the short arm part 102 are movably connected through a rotary joint 103, a plurality of through holes 13 are arranged in the long arm part 101, a first threaded hole 11 is arranged in the short arm part 102, a first hand screw 12 is arranged in the first threaded hole 11, the wire locker 2 is arranged below the short arm part 102, the wire locker 2 comprises an insulating rod 21, a second threaded hole 22 is arranged in the insulating rod 21 corresponding to the first hand screw 12, first brackets 23 are arranged on the left side and the right side above the insulating rod 21, a fixed pulley 24 is arranged on the inner side of the first bracket 23, a pull wire 25 is arranged below the fixed pulley 24, the inboard below of first support 23 all be provided with second support 26, second support 26 inboard all be provided with lead wheel 27, insulator spindle 21 below tip be provided with universal ball 28, universal ball 28 below be provided with connection bearing 29, connection bearing 29 below be provided with pivot 210, pivot 210 inside be provided with torsional spring 211, the pivot 210 left and right sides all be provided with fastener 212, fastener 212 inboard all be provided with anti-skidding protection pad 213, anti-skidding protection pad 213 and fastener 212 between evenly be provided with a plurality of protection spring 214, the fastener 212 outside all be provided with the solid fixed ring 215 that is used for connecting act as go-between 25.
The utility model discloses an insulating rod 21, including insulating rod, headstock 216, main gear 218, first pinion 219 and second pinion 220, the insulating rod 21 preceding below be provided with headstock 216, headstock 216 preceding be provided with driving motor 217, headstock 216 inside correspond driving motor 217 department and be provided with main gear 218, the main gear 218 the left and right sides be provided with first pinion 219 and second pinion 220 respectively, first pinion 219 and second pinion 220 inboard all be provided with the reel 221 that is used for connecting corresponding acting as go-between 25.
For better effect, the first bracket 23 and the second bracket 26 are both in a V-shaped structure, the wire clip 212, the anti-skid protection pad 213 and the fixing ring 215 are all in an arc-shaped structure, the first threaded hole 11 is a through hole, and the second threaded hole 22 is a blind hole.
The utility model provides a first angle steel anchor clamps 3 for general type live working of transmission line pseudo-arm device, includes third screw hole 31, third screw hole 31 inside be provided with the second hand screw rod 32 of twisting, the second hand screw rod 32 below of twisting be provided with extrusion spring 34, extrusion spring 34 below be provided with and move anchor clamps 35, move the anchor clamps 35 left and right sides and all be provided with slider 36, slider 36 below all be provided with slide 37, move anchor clamps 35 below be provided with quiet anchor clamps 38, move anchor clamps 35 and quiet anchor clamps 38 between be provided with cross arm angle steel 39, first angle steel anchor clamps 3 outside top be provided with limiting plate 33.
For better effect, the slide way 37 is of a rectangular structure, the slide block 36 is in sliding connection with the slide way 37, the static clamp 38 is of a triangular structure matched with the cross arm angle steel 39, and a triangular groove matched with the cross arm angle steel 39 is formed in the inner side of the movable clamp 35.
The invention relates to a universal live working dummy arm device for a power transmission line, wherein in use, a dummy arm 1 comprises a long arm part 101 and a short arm part 102, the long arm part 101 and the short arm part 102 are movably connected through a rotary joint 103, so that the angle of the long arm part 101 is convenient to adjust, and the operation and use are convenient, the first hand screwing screw 12, a wire locker 2 and a second threaded hole 22 structure of the wire locker 2 are used for realizing that the first hand screwing screw 12 can rapidly and reciprocally rotate in the first threaded hole 11, further an insulating rod 21 of the wire locker 2 is lifted and descended under the rotating action of the first hand screwing screw 12 through the second threaded hole 22, a driving motor 217 drives a first auxiliary gear 219 and a second auxiliary gear 220 to oppositely rotate through a main gear 218 to realize the retraction and release of a pull wire 25, further the opening and the closing of the wire clamp 212 are realized, a universal ball 28 and a connecting bearing 29 are arranged at the lower end part of the insulating rod 21, the angle of the wire clamp 212 can be conveniently adjusted, the clamping and fixing of the conducting wire can be better realized, the wire clamp 212 is movably connected through the torsion spring 211, the wire can be better clamped under the acting force of the torsion spring 211, the stability in use is greatly improved, the wire is not easy to fall off, the potential safety hazard is reduced, and the wire clamp can also be suitable for the wires of the power transmission lines with different specifications, has strong practicability and universality, after the wire clamp 212 clamps the wire, the insulation rod 21 is driven to move upwards by the first hand-screwed screw 12, and further realize that the wire is driven by the wire clamp 212 to move upwards, the first angle steel clamp 3 is suitable for fixing the side-phase cross arm angle steel 39, the first angle steel clamp 3 passes through the through hole 13, the limiting plate 33 is used for limiting, the space between the movable clamp 35 and the static clamp 38 is aligned with the cross arm angle steel 39, the movable clamp 35 is driven to move downwards through the second hand-screwed screw 32 and the extrusion spring 34, so that the cross arm angle steel 39 is fixed; the invention has the advantages of simple structure, convenient operation and use, convenient installation, strong universality, safety and reliability.
Example 2
As shown in fig. 1-9, a universal live working dummy arm device for power transmission lines comprises a dummy arm 1 and a wire locker 2, wherein the dummy arm 1 comprises a long arm part 101 and a short arm part 102, the long arm part 101 and the short arm part 102 are movably connected through a rotary joint 103, a plurality of through holes 13 are arranged in the long arm part 101, a first threaded hole 11 is arranged in the short arm part 102, a first hand screw 12 is arranged in the first threaded hole 11, the wire locker 2 is arranged below the short arm part 102, the wire locker 2 comprises an insulating rod 21, a second threaded hole 22 is arranged in the insulating rod 21 corresponding to the first hand screw 12, first brackets 23 are arranged on the left side and the right side above the insulating rod 21, a fixed pulley 24 is arranged on the inner side of the first bracket 23, a pull wire 25 is arranged below the fixed pulley 24, the inboard below of first support 23 all be provided with second support 26, second support 26 inboard all be provided with lead wheel 27, insulator spindle 21 below tip be provided with universal ball 28, universal ball 28 below be provided with connection bearing 29, connection bearing 29 below be provided with pivot 210, pivot 210 inside be provided with torsional spring 211, the pivot 210 left and right sides all be provided with fastener 212, fastener 212 inboard all be provided with anti-skidding protection pad 213, anti-skidding protection pad 213 and fastener 212 between evenly be provided with a plurality of protection spring 214, the fastener 212 outside all be provided with the solid fixed ring 215 that is used for connecting act as go-between 25.
The utility model discloses an insulating rod 21, including insulating rod, headstock 216, main gear 218, first pinion 219 and second pinion 220, the insulating rod 21 preceding below be provided with headstock 216, headstock 216 preceding be provided with driving motor 217, headstock 216 inside correspond driving motor 217 department and be provided with main gear 218, the main gear 218 the left and right sides be provided with first pinion 219 and second pinion 220 respectively, first pinion 219 and second pinion 220 inboard all be provided with the reel 221 that is used for connecting corresponding acting as go-between 25.
For better effect, the first bracket 23 and the second bracket 26 are both in a V-shaped structure, the wire clip 212, the anti-skid protection pad 213 and the fixing ring 215 are all in an arc-shaped structure, the first threaded hole 11 is a through hole, and the second threaded hole 22 is a blind hole.
The utility model provides a second angle steel anchor clamps 4 for general type live working of transmission line pseudo-arm device, is including articulated seat 41, articulated seat 41 right side be provided with anchor clamps board 42, anchor clamps board 42 top be provided with U type staple bolt 43, anchor clamps board 42 top left and right sides correspond cross arm angle steel 39 department and all be provided with clamping groove 44.
For better effect, the clip groove 44 is of a G-shaped structure.
The invention relates to a universal live working dummy arm device for a power transmission line, wherein in use, a dummy arm 1 comprises a long arm part 101 and a short arm part 102, the long arm part 101 and the short arm part 102 are movably connected through a rotary joint 103, so that the angle of the long arm part 101 is convenient to adjust, and the operation and use are convenient, the first hand screwing screw 12, a wire locker 2 and a second threaded hole 22 structure of the wire locker 2 are used for realizing that the first hand screwing screw 12 can rapidly and reciprocally rotate in the first threaded hole 11, further an insulating rod 21 of the wire locker 2 is lifted and descended under the rotating action of the first hand screwing screw 12 through the second threaded hole 22, a driving motor 217 drives a first auxiliary gear 219 and a second auxiliary gear 220 to oppositely rotate through a main gear 218 to realize the retraction and release of a pull wire 25, further the opening and the closing of the wire clamp 212 are realized, a universal ball 28 and a connecting bearing 29 are arranged at the lower end part of the insulating rod 21, the angle of the wire clamp 212 can be conveniently adjusted, the wire can be clamped and fixed better, the wire clamp 212 is movably connected through the torsion spring 211, the wire can be clamped better under the acting force of the torsion spring 211, the stability in use is greatly improved, the wire is not easy to fall off, the potential safety hazard is reduced, the wire clamp can also be suitable for the wire of the power transmission lines with different specifications, the practicability and the universality are strong, after the wire clamp 212 clamps the wire, the insulating rod 21 is driven to move upwards through the first hand-screwed screw rod 12, and then the wire is driven to move upwards through the wire clamp 212, the second angle iron clamp 4 is suitable for fixing the middle-phase cross arm angle steel 39, the second angle iron clamp 4 is connected with the long arm part 101 through the hinge seat 41, the position of the clamp plate 42 can be conveniently adjusted, the better grabbing effect of the second angle iron clamp 4 on the cross arm angle steel 39 can be realized, the clamp grooves 44 at the two sides of the clamp plate 42 are aligned with the cross arm angle steel 39, the U-shaped hoop 43 is fixedly connected with the long-arm part 101, so that the cross arm angle steel 39 is fixed; the invention has the advantages of simple structure, convenient operation and use, convenient installation, strong universality, safety and reliability.
Claims (7)
1. The utility model provides a general live working of transmission line is taken a load on a load device, it includes the load on a load and the locking wire ware, its characterized in that: the false pole comprises a long pole part and a short pole part, the long pole part and the short pole part are movably connected through a rotary joint, a plurality of through holes are formed in the long pole part, a first threaded hole is formed in the short pole part, a first hand-screwed screw rod is arranged in the first threaded hole, a wire locker is arranged below the short pole part and comprises an insulating rod, a second threaded hole is formed in the insulating rod corresponding to the first hand-screwed screw rod, first supports are arranged on the left side and the right side above the insulating rod, fixed pulleys are arranged on the inner sides of the first supports, pull wires are arranged below the fixed pulleys, second supports are arranged below the inner sides of the first supports, lead wheels are arranged on the inner sides of the second supports, universal balls are arranged at the end parts below the insulating rod, and connecting bearings are arranged below the universal balls, the connecting bearing below be provided with the pivot, the pivot inside be provided with the torsional spring, the pivot left and right sides all be provided with the fastener, the fastener inboard all be provided with anti-skidding protection pad, anti-skidding protection pad and fastener between evenly be provided with a plurality of protection spring, the fastener outside all be provided with the solid fixed ring that is used for connecting acting as go-between.
2. The power transmission line general-purpose live working dummy arm device of claim 1, characterized in that: the preceding below of insulator spindle be provided with the headstock, the headstock preceding be provided with driving motor, the inside driving motor department that corresponds of headstock be provided with the master gear, the master gear left and right sides be provided with first pinion and second pinion respectively, first pinion and second pinion inboard all be provided with and be used for connecting the corresponding reel of acting as go-between.
3. The power transmission line general-purpose live working dummy arm device of claim 1, characterized in that: first support and second support be "V" shape structure, fastener, antiskid protection pad and solid fixed ring be the arc structure, first screw hole be the through-hole, the second screw hole be the blind hole.
4. The utility model provides a first angle steel anchor clamps that is used for general electrified operation of transmission line pseudo-arm device which characterized in that: including the third screw hole, third screw hole inside be provided with the second hand screw rod of twisting, the second hand screw rod below of twisting be provided with the extrusion spring, extrusion spring below be provided with and move anchor clamps, the anchor clamps left and right sides of moving all be provided with the slider, slider below all be provided with the slide, the anchor clamps below of moving be provided with quiet anchor clamps, move and be provided with the cross arm angle steel between anchor clamps and the quiet anchor clamps, first angle steel anchor clamps outside top be provided with the limiting plate.
5. The first angle iron clamp for the general live working dummy arm device of the power transmission line according to claim 4, wherein: the slide be the rectangle structure just slider and slide sliding connection, quiet anchor clamps be with cross arm angle steel assorted triangle-shaped structure, move the anchor clamps inboard be provided with cross arm angle steel assorted triangle-shaped recess.
6. The utility model provides a second angle steel anchor clamps that is used for general electrified operation of transmission line to pay-off in a false load device which characterized in that: including articulated seat, articulated seat right side be provided with the anchor clamps board, anchor clamps board top be provided with U type staple bolt, anchor clamps board top left and right sides correspond cross arm angle steel department and all be provided with the clamp groove.
7. The second angle iron clamp for the general live working dummy arm device of the power transmission line of claim 6, wherein: the clamping groove is of a G-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210630826.0A CN115021143B (en) | 2022-06-06 | 2022-06-06 | A universal dummy load device for live work on transmission lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210630826.0A CN115021143B (en) | 2022-06-06 | 2022-06-06 | A universal dummy load device for live work on transmission lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115021143A true CN115021143A (en) | 2022-09-06 |
| CN115021143B CN115021143B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210630826.0A Active CN115021143B (en) | 2022-06-06 | 2022-06-06 | A universal dummy load device for live work on transmission lines |
Country Status (1)
| Country | Link |
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| CN (1) | CN115021143B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116191329A (en) * | 2022-12-16 | 2023-05-30 | 国网河北省电力有限公司邢台供电分公司 | An angle-adjustable power transmission device |
| CN119860891A (en) * | 2025-03-19 | 2025-04-22 | 长春通视光电技术股份有限公司 | Multi-physical field coupling dynamic testing device and testing method for aircraft sealing strips |
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| JP2014193078A (en) * | 2013-03-28 | 2014-10-06 | Kanden Engineering Corp | Sheave device and overhead ground wire rebuilding method |
| CN207834943U (en) * | 2018-02-07 | 2018-09-07 | 国网福建省电力有限公司 | A kind of device of 10 kilovolts of overhead transmission line charged for replacement cross-arms and insulator |
| CN110829279A (en) * | 2019-12-16 | 2020-02-21 | 国网辽宁省电力有限公司鞍山供电公司 | Insulation hanger and telescopic clamp for live connection and operation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102476778A (en) * | 2010-11-26 | 2012-05-30 | 大连船舶重工集团有限公司 | T-shaped section hoisting and assembling bracket |
| KR101243860B1 (en) * | 2012-04-27 | 2013-03-20 | 임용호 | The changing device of lp insualtor for power distribution line |
| JP2014193078A (en) * | 2013-03-28 | 2014-10-06 | Kanden Engineering Corp | Sheave device and overhead ground wire rebuilding method |
| CN203352049U (en) * | 2013-06-25 | 2013-12-18 | 国家电网公司 | Overhead line pulling-up assisting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116191329A (en) * | 2022-12-16 | 2023-05-30 | 国网河北省电力有限公司邢台供电分公司 | An angle-adjustable power transmission device |
| CN119860891A (en) * | 2025-03-19 | 2025-04-22 | 长春通视光电技术股份有限公司 | Multi-physical field coupling dynamic testing device and testing method for aircraft sealing strips |
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| Publication number | Publication date |
|---|---|
| CN115021143B (en) | 2024-02-27 |
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