CN116885627B - Combined tool for replacing direct current grounding electrode line suspension string and replacement method - Google Patents
Combined tool for replacing direct current grounding electrode line suspension string and replacement method Download PDFInfo
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- CN116885627B CN116885627B CN202311129587.1A CN202311129587A CN116885627B CN 116885627 B CN116885627 B CN 116885627B CN 202311129587 A CN202311129587 A CN 202311129587A CN 116885627 B CN116885627 B CN 116885627B
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- bolt
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- 239000000725 suspension Substances 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 11
- 238000004804 winding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
The invention relates to the field of power transmission overhaul and discloses a combined tool for replacing a hanging string of a direct current grounding electrode line, which comprises two clamping plates and a fixed block, wherein the two clamping plates are used for clamping the hanging string, the two clamping plates are symmetrically arranged below the fixed block, the top of one clamping plate is hinged with the bottom of the fixed block, the outer side of one clamping plate is provided with a mounting mechanism, the mounting mechanism comprises a fixed plate, and the fixed plate is inserted and mounted on the outer wall of the clamping plate; the bolt sleeve is rotatably arranged on the fixed plate; the driving device is arranged on the fixing plate and used for driving the bolt sleeve to rotate along the central axis of the bolt sleeve. According to the invention, the hanging string is clamped by the two clamping plates, then is brought to the high altitude by the machine, and is placed outside the high-voltage wire by a worker, so that the falling condition is avoided, and the replacement efficiency is improved.
Description
Technical Field
The invention relates to the technical field of power transmission overhaul, in particular to a combined tool for replacing a direct current grounding electrode line overhang string and a replacement method.
Background
The hanging string is an important component of overhead transmission lines and is mainly used for bearing the hanging weight of a wire or a split wire. The suspension string can be suspended into a wire or an insulator string group of split wires by a connecting hardware fitting, a suspension clamp, a guard bar and an insulator, and has various forms such as V type, Y type and I type;
in the prior art, when the hanging string is replaced, a worker needs to take the hanging string up by hand, then the hanging string is installed on a high-voltage wire, the hanging string is possibly dropped due to slight carelessness in the ascending or installing process, and the hanging string is required to be taken up again for operation, so that the installation time is greatly wasted, and the efficiency is lower.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a combined tool for replacing a direct current grounding electrode line suspension string and a replacing method thereof, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
in one aspect, the invention provides a combination tool for replacing a hanging string of a direct current grounding electrode circuit and a replacing method, the combination tool comprises two clamping plates and a fixing block, the two clamping plates are used for clamping the hanging string, the two clamping plates are symmetrically arranged below the fixing block, the top of the two clamping plates are hinged with the bottom of the fixing block, a mounting mechanism is arranged on the outer side of one clamping plate, and the mounting mechanism comprises:
the fixing plate is inserted and mounted on the outer wall of the clamping plate;
the bolt sleeve is rotatably arranged on the fixed plate;
the driving device is arranged on the fixed plate and is used for driving the bolt sleeve to rotate along the central axis of the bolt sleeve;
the inside of bolt cover is used for installing the bolt, the bolt is used for installing the string of hanging on the high-voltage wire, when the bolt cover rotates, with the bolt screw up on the string of hanging to make things convenient for the workman to install the operation.
Preferably, the inner sides of the two clamping plates are provided with electromagnets, a controller is arranged outside the electromagnets, the controller is electrically connected with the electromagnets through wires, and the hanging string can be fixed on the side wall of the clamping plate through the electromagnets.
Preferably, the shape of the two clamping plate assemblies is matched with the shape of the hanging string.
Preferably, a lifting rope is arranged at the top of the fixed block, one end of the lifting rope is fixed at the top of the fixed block, and the lifting rope is used for lifting the fixed block and the clamping plate.
Preferably, the middle part of the lifting rope is provided with a plurality of pulleys, the lifting rope is wound in a groove in the middle part of the pulleys, and the pulleys are installed on the ground through brackets.
Preferably, the top of fixed block is connected with a plurality of rings, the lifting rope wears to establish in rings, the one end that the lifting rope was kept away from to the top of lifting rope is connected with the extension rope.
Preferably, the spout has been seted up at the middle part of fixed block, the below of fixed block is provided with the rack, two the middle part of splint is connected with the pinion, the rack with two pinion meshing, rack up-and-down motion drives the pinion rotation, lets two splint rotate then, lets the string of hanging can place between two splint.
Preferably, the top of the rack extends to the inside of the chute, a telescopic piece is connected between the top of the rack and the inner top of the chute, and the telescopic piece is used for driving the rack to move up and down.
Preferably, the telescopic member is one of an electric telescopic rod, a hydraulic telescopic rod or a pneumatic telescopic rod.
Preferably, the lifting rope and the extension rope are woven from metal or nylon.
Preferably, through holes are formed in the middle of the two clamping plates, a plurality of through holes are formed in the through holes, and the through holes are used for knocking the hanging strings in the clamping plates by using an external tool.
Preferably, the mounting mechanism further comprises:
the inserting block is connected to one side, close to the clamping plate, of the fixing plate;
the inserting groove is formed in the outer wall of the clamping plate;
the plug-in blocks are plugged in the plug-in grooves.
Preferably, the plug-in block is made of permanent magnetic material, the clamping plate is made of metal material, and the plug-in block can be sucked into the plug-in groove.
Preferably, the mounting mechanism further comprises:
the rotating block is fixed at one end of the bolt sleeve;
the rotating groove is formed in the fixed plate;
the middle part of the rotating block is provided with a convex ring, the inner wall of the rotating groove is provided with a concave ring, and the rotating block is rotationally connected with the rotating groove.
Preferably, the mounting mechanism further comprises:
the driven gear is connected to one end of the rotating block;
the driving gear is rotatably arranged on the fixed plate, and the middle part of the driving gear is connected with the output end of the driving device;
the driving gear is meshed with the driven gear.
Preferably, the driving device is a motor.
In another aspect, the invention provides a method of replacing a dc ground link line string, comprising the steps of:
the pulley is arranged on the ground, the extension rope is arranged on the pulley, and then the winding machine is used for winding the extension rope, so that the lifting rope lifts the fixed block and the clamping plate to the vicinity of the high-voltage wire;
the telescopic piece drives the rack to move downwards, so that the two pinions rotate, and then the two clamping plates are far away from each other;
installing the hanging strings to be replaced on the inner sides of the two clamping plates, and opening the electromagnet to suck the hanging strings on the inner walls of the clamping plates;
the worker moves the fixed block to the position to be installed, and the high-voltage wire is positioned between the two clamping plates;
the telescopic piece resets to drive the rack to move upwards, so that the two pinions rotate reversely, the two clamping plates are close, and the suspension string is arranged on the high-voltage wire;
the bolt is installed in the bolt sleeve, then the driving device drives the driving gear to rotate, the driving gear drives the two driven gears to rotate, and the driven gears drive the bolt sleeve to rotate, so that the bolt rotates, and the hanging string is screwed up by the bolt.
Compared with the prior art, the invention provides a combined tool and a replacing method for replacing the hanging string of the direct current grounding electrode line, which have the following beneficial effects:
1. according to the invention, the hanging string is clamped by the two clamping plates, then is brought to the high altitude by the machine, and is placed outside the high-voltage wire by a worker, so that the falling condition is avoided, and the replacement efficiency is improved.
2. According to the invention, through holes are formed in the outer part of the clamping plate, so that after the hanging string is mounted on the high-voltage electric wire, the hanging string can be knocked by other tools, and the hanging string can be more tightly mounted on the high-voltage electric wire.
3. According to the invention, the mounting mechanism is arranged on one side of the clamping plate, so that after the suspension string is placed on the high-voltage electric wire, the bolts are placed in the bolt sleeves, and then the bolts can be automatically mounted on the suspension string through the mounting mechanism, so that the suspension string can be tightly connected with the high-voltage electric wire.
4. According to the invention, the electromagnet is arranged on the inner side of the clamping plate, so that the hanging string can be attracted on the inner side of the clamping plate under the action of magnetic force, and the hanging string is prevented from falling off.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a partial perspective view of the present invention;
FIG. 3 is a perspective view of the mounting mechanism of the present invention;
FIG. 4 is a semi-sectional view of the present invention;
FIG. 5 is an enlarged view of the invention at A in FIG. 4;
FIG. 6 is a state change diagram of the clamping plate of the present invention;
FIG. 7 is an exploded view of the mounting mechanism of the present invention;
fig. 8 is another perspective view of the mounting mechanism of the present invention.
In the figure: 100. a clamping plate; 200. a fixed block; 210. a chute; 220. a rack; 230. a pinion gear; 240. a telescoping member; 310. a hanging rope; 320. a pulley; 330. extending the rope; 340. a hanging ring; 400. a mounting mechanism; 410. a fixing plate; 420. a plug block; 430. a rotating groove; 440. a rotating block; 450. a bolt sleeve; 460. a driven gear; 470. a drive gear; 480. a driving device.
Detailed Description
Example 1
Referring to fig. 1-3, the present embodiment provides a combination tool and a replacing method for replacing a hanging string of a dc grounding electrode line, including two clamping plates 100 and a fixing block 200, wherein the clamping plates 100 are provided with two clamping plates 100 for clamping the hanging string, the two clamping plates 100 are symmetrically arranged below the fixing block 200, the top of the two clamping plates 100 is hinged with the bottom of the fixing block 200, one of the outer sides of the clamping plates 100 is provided with a mounting mechanism 400, and the mounting mechanism 400 includes:
the fixing plate 410 is inserted and installed on the outer wall of the clamping plate 100 by the fixing plate 410;
a bolt housing 450, the bolt housing 450 being rotatably mounted on the fixed plate 410;
a driving device 480, wherein the driving device 480 is mounted on the fixing plate 410, and the driving device 480 is used for driving the bolt sleeve 450 to rotate along the central axis of the bolt sleeve 450;
the inside of the bolt housing 450 is used for installing bolts for installing the hanging string on the high voltage wire, and the bolts are tightened on the hanging string when the bolt housing 450 is rotated, thereby facilitating the installation operation of workers.
Example two
As shown in fig. 1, the inner sides of the two clamping plates 100 are provided with electromagnets 110, a controller is mounted outside the electromagnets 110, the controller is electrically connected with the electromagnets 110 through wires, and the hanging strings can be fixed on the side walls of the clamping plates 100 through the electromagnets 110.
In order to allow the hanging string to be stably clamped by the clamping plates 100, the shape of the two clamping plates 100 is matched with the shape of the hanging string.
As shown in fig. 1, a hanging rope 310 is provided at the top of the fixing block 200, one end of the hanging rope 310 is fixed at the top of the fixing block 200, and the hanging rope 310 is used to hang the fixing block 200 and the clamping plate 100.
As shown in fig. 1, a plurality of pulleys 320 are disposed at the middle of the lifting rope 310, the lifting rope 310 is wound in a groove at the middle of the pulleys 320, and the pulleys 320 are mounted on the ground through brackets.
Example III
As shown in fig. 2, the top of the fixing block 200 is connected with a plurality of hanging rings 340, the hanging rope 310 is threaded in the hanging rings 340, and one end of the top of the hanging rope 310, which is far away from the hanging rings 340, is connected with an extension rope 330.
Example IV
With continued reference to fig. 4, 5 and 6, the middle part of the fixing block 200 is provided with a sliding slot 210, a rack 220 is disposed below the fixing block 200, the middle parts of the two clamping plates 100 are connected with pinions 230, the rack 220 is meshed with the two pinions 230, and the up-and-down movement of the rack 220 drives the pinions 230 to rotate, so that the two clamping plates 100 rotate, and a hanging string can be placed between the two clamping plates 100.
Example five
As shown in fig. 5, the top of the rack 220 extends into the chute 210, and a telescopic member 240 is connected between the top of the rack 220 and the inner top of the chute 210, and the telescopic member 240 is used for driving the rack 220 to move up and down.
The telescopic member 240 is one of an electric telescopic rod, a hydraulic telescopic rod or a pneumatic telescopic rod.
The hanging rope 310 and the extension rope 330 are woven from metal or nylon.
Through holes 120 are formed in the middle of the two clamping plates 100, a plurality of through holes 120 are formed in the through holes 120, and the through holes 120 are used for knocking the hanging string inside the clamping plates 100 by using an external tool, so that the hanging string can be tightly mounted on a high-voltage wire.
Example six
Referring to fig. 7 and 8, the mounting mechanism 400 further includes:
the plug-in block 420 is connected to one side of the fixing plate 410, which is close to the clamping plate 100;
a socket groove formed on the outer wall of the clamping plate 100;
the plug-in block 420 is plugged in the plug-in groove.
The plug-in blocks 420 are made of permanent magnetic materials, the clamping plate 100 is made of metal materials, and the plug-in blocks 420 can be sucked into the plug-in grooves;
a rotating block 440, wherein the rotating block 440 is fixed at one end of the bolt housing 450;
a rotation groove 430, wherein the rotation groove 430 is formed on the fixing plate 410;
a convex ring is arranged in the middle of the rotating block 440, a concave ring is arranged on the inner wall of the rotating groove 430, and the rotating block 440 is rotationally connected with the rotating groove 430;
a driven gear 460, the driven gear 460 being connected to one end of the rotating block 440;
the driving gear 470, the driving gear 470 is rotatably mounted on the fixing plate 410, and the middle part of the driving gear 470 is connected with the output end of the driving device 480;
the driving gear 470 is engaged with the driven gear 460.
The driving device 480 may be a motor.
Example seven
The embodiment provides a method for replacing a direct current grounding electrode line overhang string, which comprises the following steps:
the pulley 320 is installed on the ground, then the extension rope 330 is installed on the pulley 320, and then the extension rope 330 is wound by a winding machine, so that the hoist rope 310 lifts the fixing block 200 and the clamping plate 100 to the vicinity of the high-voltage wire;
the telescopic member 240 drives the rack 220 to move downward, so that the two pinions 230 rotate, and then the two clamping plates 100 are far away from each other;
installing the hanging strings to be replaced on the inner sides of the two clamping plates 100, and opening the electromagnet 110 to suck the hanging strings on the inner walls of the clamping plates 100;
the worker moves the fixing block 200 to a position to be installed with the high-voltage wire between the two clamping plates 100;
the telescopic piece 240 resets to drive the rack 220 to move upwards, so that the two pinions 230 are reversed, the two clamping plates 100 are closed, and the suspension string is arranged on a high-voltage wire;
the bolts are mounted in the bolt housing 450, and then the driving device 480 drives the driving gear 470 to rotate, the driving gear 470 drives the two driven gears 460 to rotate, and the driven gears 460 drive the bolt housing 450 to rotate, so that the bolts rotate, and the hanging strings are screwed down by the bolts.
Claims (15)
1. The utility model provides a combination tool of change direct current earthing pole circuit string that hangs which characterized in that: including splint (100) and fixed block (200), splint (100) have two, two splint (100) are used for pressing from both sides the string that hangs, two splint (100) symmetry set up the below of fixed block (200), two the top of splint (100) is articulated with the bottom of fixed block (200), one of them the outside of splint (100) is provided with installation mechanism (400), installation mechanism (400) include:
the fixing plate (410) is inserted and mounted on the outer wall of the clamping plate (100);
a bolt housing (450), the bolt housing (450) being rotatably mounted on the fixed plate (410);
the driving device (480) is arranged on the fixed plate (410), and the driving device (480) is used for driving the bolt sleeve (450) to rotate along the central axis of the bolt sleeve (450);
the inside of the bolt sleeve (450) is used for installing a bolt, the bolt is used for installing a suspension string on a high-voltage wire, and the bolt is screwed on the suspension string when the bolt sleeve (450) rotates;
a sliding groove (210) is formed in the middle of the fixed block (200), a rack (220) is arranged below the fixed block (200), pinions (230) are connected to the middle of the two clamping plates (100), the rack (220) is meshed with the two pinions (230), the rack (220) moves up and down to drive the pinions (230) to rotate, then the two clamping plates (100) are rotated, and a suspension string can be placed between the two clamping plates (100);
the top of the rack (220) extends to the inside of the chute (210), a telescopic piece (240) is connected between the top of the rack (220) and the inner top of the chute (210), and the telescopic piece (240) is used for driving the rack (220) to move up and down.
2. A combination tool for replacing a dc ground link line string in accordance with claim 1, wherein: the inner sides of the two clamping plates (100) are provided with electromagnets (110), a controller is arranged outside each electromagnet (110), and the controller is electrically connected with the electromagnets (110) through wires.
3. A combination tool for replacing a dc ground link line string in accordance with claim 1, wherein: the shape of the two clamping plates (100) is matched with the shape of the hanging string.
4. A combination tool for replacing a dc ground link line string in accordance with claim 1, wherein: the top of fixed block (200) is provided with lifting rope (310), one end of lifting rope (310) is fixed at the top of fixed block (200), lifting rope (310) are used for lifting fixed block (200) and splint (100).
5. A combination tool for replacing a dc ground link suspension string as defined by claim 4 wherein: the middle part of lifting rope (310) is provided with a plurality of pulley (320), lifting rope (310) twines in the slot at pulley (320) middle part, pulley (320) are installed on ground through the support.
6. A combination tool for replacing a dc ground link suspension string in accordance with claim 5, wherein: the top of fixed block (200) is connected with a plurality of rings (340), lifting rope (310) wears to establish in rings (340), the one end that lifting rope (310) was kept away from rings (340) at the top is connected with extension rope (330).
7. A combination tool for replacing a dc ground link line string in accordance with claim 1, wherein: the telescopic piece (240) is one of an electric telescopic rod, a hydraulic telescopic rod or a pneumatic telescopic rod.
8. The combination tool for replacing a dc ground link suspension string of claim 6 wherein: the lifting rope (310) and the extension rope (330) are woven from metal or nylon.
9. A combination tool for replacing a dc ground link line string in accordance with claim 1, wherein: through holes (120) are formed in the middle of the two clamping plates (100), a plurality of through holes (120) are formed in the through holes (120), and the through holes (120) are used for knocking the hanging strings in the clamping plates (100) by using an external tool.
10. A combination tool for replacing a dc ground link line string in accordance with claim 1, wherein: the mounting mechanism (400) further includes:
the inserting block (420), the said inserting block (420) connects to one side of the said fixed plate (410) close to the clamp plate (100);
the inserting groove is formed in the outer wall of the clamping plate (100);
the plug-in block (420) is plugged in the plug-in groove.
11. A combination tool for replacing a dc ground link suspension string in accordance with claim 10, wherein: the plug-in blocks (420) are made of permanent magnetic materials, the clamping plates (100) are made of metal materials, and the plug-in blocks (420) can be attracted into the plug-in grooves.
12. A combination tool for replacing a dc ground link suspension string in accordance with claim 10, wherein: the mounting mechanism (400) further includes:
a rotating block (440), wherein the rotating block (440) is fixed at one end of the bolt sleeve (450);
a rotation groove (430), the rotation groove (430) being provided on the fixing plate (410);
the middle part of the rotating block (440) is provided with a convex ring, the inner wall of the rotating groove (430) is provided with a concave ring, and the rotating block (440) is rotationally connected with the rotating groove (430).
13. A combination tool for replacing a dc ground link suspension string in accordance with claim 12, wherein: the mounting mechanism (400) further includes:
a driven gear (460), the driven gear (460) being connected to one end of the rotating block (440);
the driving gear (470), the driving gear (470) is rotatably arranged on the fixed plate (410), and the middle part of the driving gear (470) is connected with the output end of the driving device (480);
the drive gear (470) meshes with the driven gear (460).
14. A combination tool for replacing a dc ground link suspension string in accordance with claim 13 wherein: the driving device (480) is a motor.
15. A method of replacing a dc ground link line string, based on the combination tool of claim 14, comprising the steps of:
installing a pulley (320) on the ground, installing an extension rope (330) on the pulley (320), and winding the extension rope (330) by using a winding machine to enable a lifting rope (310) to lift a fixed block (200) and a clamping plate (100) to be close to a high-voltage wire;
the telescopic piece (240) drives the rack (220) to move downwards, so that the two pinions (230) rotate, and then the two clamping plates (100) are far away from each other;
installing the hanging strings to be replaced on the inner sides of the two clamping plates (100), and opening the electromagnet (110) to suck the hanging strings on the inner walls of the clamping plates (100);
the worker moves the fixing block (200) to a position to be installed, and the high-voltage electric wire is positioned between the two clamping plates (100);
the telescopic piece (240) resets to drive the rack (220) to move upwards, so that the two pinions (230) are reversed, the two clamping plates (100) are closed, and the suspension string is arranged on the high-voltage wire;
the bolt is installed in the bolt sleeve (450), then the driving device (480) drives the driving gear (470) to rotate, the driving gear (470) drives the two driven gears (460) to rotate, and the driven gears (460) drive the bolt sleeve (450) to rotate, so that the bolt rotates, and the hanging string is screwed by the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311129587.1A CN116885627B (en) | 2023-09-04 | 2023-09-04 | Combined tool for replacing direct current grounding electrode line suspension string and replacement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311129587.1A CN116885627B (en) | 2023-09-04 | 2023-09-04 | Combined tool for replacing direct current grounding electrode line suspension string and replacement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116885627A CN116885627A (en) | 2023-10-13 |
| CN116885627B true CN116885627B (en) | 2023-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311129587.1A Active CN116885627B (en) | 2023-09-04 | 2023-09-04 | Combined tool for replacing direct current grounding electrode line suspension string and replacement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116885627B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005020853A (en) * | 2003-06-25 | 2005-01-20 | Nagaki Seiki Co Ltd | Jig for attachment of branch band or arm band |
| CN103192336A (en) * | 2013-04-28 | 2013-07-10 | 国家电网公司 | Method for bolt fastening of suspension clamp of power transmission line and special tool |
| CN204243620U (en) * | 2014-11-28 | 2015-04-01 | 国家电网公司 | A kind of pre-twisting type overhang installation wire lifting device |
| CN210838879U (en) * | 2019-08-17 | 2020-06-23 | 江苏川都电力科技有限公司 | Mountain region circuit environment-friendly suspension clamp |
| CN112421473A (en) * | 2020-09-22 | 2021-02-26 | 国网湖北省电力有限公司检修公司 | Change combination tool of direct current earthing pole circuit cluster that dangles |
| CN213341581U (en) * | 2020-10-14 | 2021-06-01 | 天津旭利达科技发展有限公司 | Follow-on suspension clamp installation device |
| CN215185508U (en) * | 2021-07-14 | 2021-12-14 | 国家电网有限公司 | Extra-high voltage insulator string replacing device based on insulating soft hanging strip |
| CN216121733U (en) * | 2021-10-23 | 2022-03-22 | 红旗集团电力金具有限公司 | Suspension clamp |
-
2023
- 2023-09-04 CN CN202311129587.1A patent/CN116885627B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005020853A (en) * | 2003-06-25 | 2005-01-20 | Nagaki Seiki Co Ltd | Jig for attachment of branch band or arm band |
| CN103192336A (en) * | 2013-04-28 | 2013-07-10 | 国家电网公司 | Method for bolt fastening of suspension clamp of power transmission line and special tool |
| CN204243620U (en) * | 2014-11-28 | 2015-04-01 | 国家电网公司 | A kind of pre-twisting type overhang installation wire lifting device |
| CN210838879U (en) * | 2019-08-17 | 2020-06-23 | 江苏川都电力科技有限公司 | Mountain region circuit environment-friendly suspension clamp |
| CN112421473A (en) * | 2020-09-22 | 2021-02-26 | 国网湖北省电力有限公司检修公司 | Change combination tool of direct current earthing pole circuit cluster that dangles |
| CN213341581U (en) * | 2020-10-14 | 2021-06-01 | 天津旭利达科技发展有限公司 | Follow-on suspension clamp installation device |
| CN215185508U (en) * | 2021-07-14 | 2021-12-14 | 国家电网有限公司 | Extra-high voltage insulator string replacing device based on insulating soft hanging strip |
| CN216121733U (en) * | 2021-10-23 | 2022-03-22 | 红旗集团电力金具有限公司 | Suspension clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116885627A (en) | 2023-10-13 |
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