CN110994449A - Special tool for replacing linear insulator of power transmission line - Google Patents
Special tool for replacing linear insulator of power transmission line Download PDFInfo
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- CN110994449A CN110994449A CN201911234119.4A CN201911234119A CN110994449A CN 110994449 A CN110994449 A CN 110994449A CN 201911234119 A CN201911234119 A CN 201911234119A CN 110994449 A CN110994449 A CN 110994449A
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- rod
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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
Abstract
The invention discloses a special tool for replacing a linear insulator of a power transmission line, which comprises an adjusting mechanism, an extension mechanism and a clamping mechanism, wherein two extension mechanisms are symmetrically arranged at two sides of the adjusting mechanism, two clamping mechanisms are respectively arranged on the extension mechanisms, each adjusting mechanism comprises a chuck, a first threaded rod, an adjusting frame, a first threaded sleeve, a first limiting block, a rotating sleeve, a connecting rod, a second limiting block, a fixing rod, a clamping plate, a second threaded rod and a first handle, the first threaded sleeve and the rotating sleeve are respectively fixedly inserted at the upper side and the lower side of the adjusting frame, the special tool for replacing the linear insulator of the power transmission line has the characteristics of compact and reasonable structure and safety and rapidness in replacing the insulator, when in use, the adjusting mechanism can adjust the angle and the height, the extension mechanism can change the position in the horizontal direction and the vertical direction, and the adjusting requirements of different heights and, fixture can effectively spacing insulator full skirt.
Description
Technical Field
The invention relates to a tool, in particular to a special tool for replacing a linear insulator of a power transmission line, and belongs to the technical field of electric power construction.
Background
The insulator is a special insulating control part and can play an important role in overhead transmission lines, the insulator is mostly used for telegraph poles in the early years, a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is slowly developed, the insulator is used for increasing the creepage distance, and the insulator is usually made of glass or ceramics.
The straight line insulator that glass or pottery made is heavier and the volume is great, and in electric power laying and maintenance work, the handheld insulator of operating personnel is changed and is extremely dangerous action, and not only operating personnel physical power expenditure is big, and the insulator if appear taking off the accident that drops, more can endanger ground personnel's life safety.
Disclosure of Invention
The invention aims to solve the problems, provides a special tool for replacing a linear insulator of a power transmission line and a production method thereof, and solves the problem that the life safety of ground personnel is further endangered if the insulator is loosened and dropped in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a special tool for replacing a linear insulator of a power transmission line, which comprises an adjusting mechanism, two extension mechanisms and two clamping mechanisms, wherein the two extension mechanisms are symmetrically arranged on two sides of the adjusting mechanism, and the two clamping mechanisms are respectively arranged on the extension mechanisms.
Preferably, the adjusting mechanism comprises a chuck, a first threaded rod, an adjusting frame, a first threaded sleeve, a first limiting block, a rotating sleeve, a connecting rod, a second limiting block, a fixing rod, a clamping plate, a second threaded rod and a first handle, a first threaded sleeve and a rotating sleeve are fixedly inserted in the upper side and the lower side of the adjusting frame respectively, a first threaded rod is connected in the first threaded sleeve in a threaded manner, the top end of the first threaded rod is fixedly connected with a chuck, the bottom end of the first threaded rod is fixedly connected with a first limiting block, a connecting rod is sleeved in the rotating sleeve in a rotating manner, both sides of the connecting rod are fixedly connected with fixing rods, the top end of the connecting rod is fixedly connected with a second limiting block, a second threaded rod is inserted into the rotary sleeve through threads, the one end that No. two threaded rods are located the commentaries on classics cover is rotated and is connected with splint, No. two threaded rods are located the outer one end fixedly connected with handle of commentaries on classics cover.
Preferably, the extension mechanism comprises a first vertical rod, a second vertical rod, a transverse rod, a first rotating pin, a second rotating pin, a third rotating pin, a second threaded sleeve, an adjusting pin, a first rotating rod, a second handle, a first positive thread and a first reverse thread, the first vertical rod is positioned on one side of the fixing rod away from the adjusting frame, the second rotating pin is fixedly inserted at two ends of the fixing rod, the first rotating pin is fixedly inserted at two ends of the first vertical rod, the transverse rod is rotatably connected between the first rotating pin and the second rotating pin, the third rotating pin is fixedly embedded in the middle of the transverse rod, the second vertical rod is rotatably connected between the two adjacent third rotating pins, the adjusting pin is fixedly connected between the middle of the second vertical rod and the fixing rod, the second threaded sleeve is rotatably connected on the adjusting pin, the first rotating rod is rotatably connected between the two adjacent second threaded sleeves, the equal fixedly connected with in both ends of bull stick No. two handles, a positive screw thread and a reverse thread have all been seted up to the equal symmetry in the outside of bull stick.
As preferred, fixture includes clamp, boss, perpendicular commentaries on classics round pin, clamp groove, No. three thread bush, No. two bull sticks, No. two positive threads, No. two left-hand threads, No. three handles and No. four commentaries on classics round pins, four boss symmetry fixed connection is in the both sides of a montant, equal fixedly connected with perpendicular commentaries on classics round pin on the boss, perpendicular commentaries on classics round pin outside all rotates the cover and is equipped with clamp, adjacent two the clamp groove has all been seted up to the opposite side of clamp, clamp keeps away from the equal fixedly connected with No. four bull sticks on the one end lateral wall that presss from both sides the groove, all rotate on the No. four bull sticks and be connected with No. three thread bush, adjacent two equal threaded connection has No. two bull sticks between the No. three thread bush, the equal fixedly connected with No. three handles in both ends of No. two bull sticks, No. two positive threads and no.
Preferably, the rotary sleeve is provided with a threaded hole, the second threaded rod is in threaded connection with the rotary sleeve through the threaded hole, and the clamping plate is of an arc-shaped structure and is matched with the connecting rod.
Preferably, the screw thread direction of the first positive screw thread is opposite to that of the first negative screw thread, the second screw thread sleeve is in threaded connection with the first rotating rod, and the first rotating rod is arranged in an inclined mode.
Preferably, the thread directions of the second positive thread and the second negative thread are opposite, and the second rotating rod is in threaded connection with the third threaded sleeve.
Preferably, two adjacent clamps are symmetrically arranged on two sides of the first vertical rod, and the two adjacent clamp grooves jointly form a circular ring structure.
The invention has the following beneficial effects: this change transmission line straight line insulator specialized tool, have compact structure reasonable and change the safe swift characteristics of insulator, during the use, adjustment mechanism can carry out angle and height control, extension mechanism can carry out the position change in horizontal direction and the vertical side, the adjustment requirement of co-altitude and different distances has been satisfied, fixture can effectively spacing insulator full skirt, thereby avoid the insulator pine to take off the accident that drops, with the cooperation of delivery apparatus, the change flow has greatly been simplified, need not electric power staff transport insulator, time saving and labor saving's purpose has been reached.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a cross-bar of the present invention;
FIG. 3 is a cross-sectional view of the swivel sleeve of the present invention;
FIG. 4 is a top view of the clamping mechanism of the present invention;
fig. 5 is a side view of the clamping mechanism of the present invention.
In the figure: 1. an adjustment mechanism; 11. a chuck; 12. a first threaded rod; 13. an adjusting frame; 14. a first thread bush; 15. a first limiting block; 16. rotating the sleeve; 17. a connecting rod; 18. a second limiting block; 19. fixing the rod; 110. a splint; 111. a second threaded rod; 112. a first handle; 2. an extension mechanism; 21. a first vertical rod; 22. a second vertical bar; 23. a cross bar; 24. a first rotating pin; 25. rotating the pin II; 26. rotating the pin; 27. a second thread bush; 28. an adjustment pin; 29. a first rotating rod; 210. a second handle; 211. a first positive thread; 212. a first reverse thread; 3. a clamping mechanism; 31. clamping; 32. a boss; 33. a vertical rotation pin; 34. a clamping groove; 35. a third thread bush; 36. a second rotating rod; 37. a second positive thread; 38. a second reverse thread; 39. a third handle; 310. and 6, rotating the pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1 to 5, the special tool for replacing the linear insulator of the power transmission line comprises an adjusting mechanism 1, two extension mechanisms 2 and two clamping mechanisms 3, wherein the two extension mechanisms 2 are symmetrically arranged on two sides of the adjusting mechanism 1, and the two clamping mechanisms 3 are respectively arranged on the extension mechanisms 2.
Wherein, the adjusting mechanism 1 comprises a chuck 11, a first threaded rod 12, an adjusting frame 13, a first threaded sleeve 14, a first limiting block 15 and a rotating sleeve 16, connecting rod 17, No. two stopper 18, dead lever 19, splint 110, threaded rod 111 and handle 112 No. two, the upper and lower both sides of adjusting frame 13 are fixed respectively and are alternate threaded sleeve 14 and commentaries on classics cover 16, threaded sleeve 14 internal thread is connected with threaded rod 12 No. one, the top fixedly connected with chuck 11 of threaded rod 12, stopper 15 of bottom fixedly connected with of threaded rod 12 No. one, change 16 internal rotation covers of cover and be equipped with connecting rod 17, the equal fixedly connected with dead lever 19 in both sides of connecting rod 17, stopper 18 No. two of top fixedly connected with of connecting rod 17, change 16 last screw thread of cover and insert and be equipped with threaded rod 111 No. two, the one end that threaded rod 111 is located and changes 16 rotates and is connected with splint 110, No. two threaded rod 111 are located and change handle 112 of the outer one end fixedly connected with of cover 16.
Wherein, the extension mechanism 2 comprises a first vertical rod 21, a second vertical rod 22, a cross rod 23, a first rotating pin 24, a second rotating pin 25, a third rotating pin 26, a second thread bushing 27, an adjusting pin 28, a first rotating rod 29, a second handle 210, a first positive thread 211 and a first reverse thread 212, the first vertical rod 21 is positioned at one side of the fixing rod 19 far away from the adjusting frame 13, the second rotating pin 25 is fixedly inserted at both ends of the fixing rod 19, the first rotating pin 24 is fixedly inserted at both ends of the first vertical rod 21, the cross rod 23 is rotatably connected between the adjacent first rotating pin 24 and the adjacent second rotating pin 25, the third rotating pin 26 is fixedly embedded in the middle of the cross rod 23, the second vertical rod 22 is rotatably connected between the adjacent two third rotating pins 26, the adjusting pin 28 is fixedly connected between the middle of the second vertical rod 22 and the fixing rod 19, the second thread bushing 27 is rotatably connected on the adjusting pin 28, the first rotating pin 29 is rotatably connected between the adjacent two second thread bushings 27, a second handle 210 is fixedly connected to both ends of the first rotating rod 29, and a first positive thread 211 and a first negative thread 212 are symmetrically formed in the outer side of the first rotating rod 29.
Wherein, the clamping mechanism 3 comprises a clamp 31, a boss 32, a vertical rotating pin 33, a clamp groove 34 and a third thread bush 35, no. two bull sticks 36, No. two positive threads 37, No. two reverse threads 38, No. three handle 39 and No. four bull pins 310, four boss 32 symmetry fixed connection are in the both sides of montant 21, equal fixedly connected with perpendicular bull pin 33 on the boss 32, it is equipped with clamp 31 all to rotate the cover perpendicularly to change the round pin 33 outside, double-layered groove 34 has all been seted up to two adjacent opposite sides of clamp 31, clamp 31 keeps away from equal fixedly connected with No. four bull pins 310 on the one end lateral wall of clamp groove 34, all rotate on the bull pin 310 and be connected with No. three thread bush 35, equal threaded connection has No. two bull sticks 36 between two adjacent No. three thread bush 35, No. two equal fixedly connected with No. three handle 39 in both ends of No. two bull sticks 36, No. two positive threads 37 and No. two reverse threads 38 have all been seted up to the equal symmetry in the outside of no.
Wherein, the rotating sleeve 16 is provided with a threaded hole, the second threaded rod 111 is in threaded connection with the rotating sleeve 16 through the threaded hole, and the clamping plate 110 is of an arc structure and is matched with the connecting rod 17.
Wherein, the screw thread direction of first positive screw thread 211 is opposite with first anti-thread 212, and No. two thread bush 27 and a bull stick 29 threaded connection, a bull stick 29 slope sets up.
Wherein, the screw thread direction of second number positive thread 37 and second number negative thread 38 is opposite, and second bull stick 36 and third thread bush 35 threaded connection.
Two adjacent clamps 31 are symmetrically arranged on two sides of the first vertical rod 21, and two adjacent clamping grooves 34 jointly form a circular ring structure.
Specifically, when the clamp is used, the first rotating pin 24 is used for rotatably connecting the first vertical rod 21 with the cross rod 23, the second rotating pin 25 is used for rotatably connecting the fixed rod 19 with the cross rod 23, the third rotating pin 26 is used for rotatably connecting the second vertical rod 22 with the cross rod 23, the adjusting pin 28 is used for rotatably connecting the fixed rod 19 with the second threaded sleeve 27 and the second vertical rod 22 with the second threaded sleeve 27, the fourth rotating pin 310 is used for rotatably connecting the third threaded sleeve 35 with the clamp 31, and the vertical rotating pin 33 is used for rotatably connecting the boss 32 with the clamp 31, wherein the operation process is as follows: the clamp 11 is fixed on the hanger rail trolley or the pulley component by a screw, and then the hanger rail trolley or the pulley component is pulled or driven to move forwards, the hanging rail trolley or the pulley component is locked and fixed at the side of the linear insulator, then the connecting rod 17 is rotated to lead the clamping mechanism 3 to be opposite to the insulator to be disassembled, then the extension mechanism 2 is adjusted to change the position of the clamping mechanism 3 in the horizontal and vertical directions, thereby clamping and fixing the linear insulator, the clamping mechanism 3 is clamped on the upper umbrella skirt and the lower umbrella skirt of the linear insulator, the linear insulator can be effectively prevented from falling off, after the insulator to be disassembled is separated from the power transmission structure, the connecting rod 17 rotates for half a circle, therefore, the new insulator and the old insulator are exchanged, the steps are reversely operated, the new insulator can be installed, the hanger rail trolley or the pulley assembly is unlocked, the old insulator can be transported, and the specific operation method comprises the following steps: the second handle 210 is rotated to drive the first rotating rod 29 to rotate, the first positive thread 211 and the first negative thread 212 with opposite thread directions drive the two second thread sleeves 27 to move oppositely or oppositely, the distance between the two adjacent adjusting pins 28 can be adjusted, the adjusting pins 28 are round pins, the angle adjustment requirement of the second thread sleeves 27 can be met, so that the second vertical rod 22 can drive the cross rod 23 to change the angle, the first vertical rod 21 can be always kept in a vertical state, the insulator can be horizontally transferred, meanwhile, the first vertical rod 21 can change the position in the horizontal direction and the vertical direction, the adjustment requirements of different heights and different distances are met, in addition, the adjusting frame 13 is rotated, the first thread sleeve 14 is mutually matched with the first threaded rod 12, the horizontal height of the connecting rod 17 can be adjusted, the connecting rod 17 is rotated, the two extension mechanisms 2 can be clamped, the third handle 39 is rotated, similarly, two adjacent third thread sleeves 35 are close to or far away from each other, the fourth rotating pin 310 meets the requirement of angle adjustment, two adjacent clamping grooves 34 can be close to or far away from each other, the clamping grooves 34 are matched with the insulator umbrella skirt structure, effective clamping or releasing actions are achieved, the first handle 112 is rotated, the first thread sleeve 14 can be driven to push the clamping plate 110, friction force between the clamping plate 110 and the connecting rod 17 is increased, the swing angle of the connecting rod 17 can be fixed, and the extension mechanism 2 can be prevented from easily turning.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a change transmission line straight line insulator specialized tool, includes adjustment mechanism (1), extension mechanism (2) and fixture (3), its characterized in that, two extension mechanisms (2) are installed to the bilateral symmetry of adjustment mechanism (1), all install two fixture (3) on extension mechanism (2).
2. The special tool for replacing the linear insulator of the power transmission line according to claim 1, wherein the adjusting mechanism (1) comprises a chuck (11), a first threaded rod (12), an adjusting frame (13), a first threaded sleeve (14), a first limiting block (15), a rotating sleeve (16), a connecting rod (17), a second limiting block (18), a fixing rod (19), a clamping plate (110), a second threaded rod (111) and a first handle (112), the first threaded sleeve (14) and the rotating sleeve (16) are respectively fixedly inserted into the upper side and the lower side of the adjusting frame (13), the first threaded sleeve (14) is in threaded connection with the first threaded rod (12), the chuck (11) is fixedly connected to the top end of the first threaded rod (12), the first limiting block (15) is fixedly connected to the bottom end of the first threaded rod (12), the connecting rod (17) is rotatably sleeved in the rotating sleeve (16), the equal fixedly connected with dead lever (19) in both sides of connecting rod (17), No. two stopper (18) of top fixedly connected with of connecting rod (17), change and overlap (16) and go up the screw thread and insert and be equipped with No. two threaded rod (111), No. two threaded rod (111) are located the one end rotation of changeing in cover (16) and are connected with splint (110), No. two threaded rod (111) are located and are changeed handle (112) of one end fixedly connected with outside cover (16).
3. The special tool for replacing the linear insulator of the power transmission line according to claim 2, wherein the extension mechanism (2) comprises a first vertical rod (21), a second vertical rod (22), a cross rod (23), a first rotating pin (24), a second rotating pin (25), a third rotating pin (26), a second threaded sleeve (27), an adjusting pin (28), a first rotating rod (29), a second handle (210), a first positive thread (211) and a first negative thread (212), the first vertical rod (21) is positioned on one side of the fixing rod (19) far away from the adjusting frame (13), the second rotating pin (25) is fixedly inserted at both ends of the fixing rod (19), the first rotating pin (24) is fixedly inserted at both ends of the first vertical rod (21), the cross rod (23) is rotatably connected between the first rotating pin (24) and the second rotating pin (25), the third rotating pin (26) is fixedly embedded in the middle of the cross rod (23), adjacent two all rotate between No. three bull pins (26) and be connected with No. two montants (22), the equal fixedly connected with regulating pin (28) in middle part of No. two montants (22) and dead lever (19), all rotate on regulating pin (28) and be connected with No. two thread bush (27), adjacent two equal threaded connection has a bull stick (29) between No. two thread bush (27), the equal fixedly connected with handle (210) No. two in both ends of bull stick (29), a positive screw thread (211) and a back-thread (212) have been seted up to the equal symmetry in the outside of bull stick (29).
4. The special tool for replacing the linear insulator of the power transmission line according to claim 3, wherein the clamping mechanism (3) comprises clamps (31), bosses (32), vertical rotating pins (33), clamping grooves (34), a third threaded sleeve (35), a second rotating rod (36), a second positive thread (37), a second negative thread (38), a third handle (39) and a fourth rotating pin (310), the four bosses (32) are symmetrically and fixedly connected to two sides of the first vertical rod (21), the bosses (32) are fixedly connected with the vertical rotating pins (33), the outer sides of the vertical rotating pins (33) are rotatably sleeved with the clamps (31), the clamping grooves (34) are respectively formed in the opposite sides of two adjacent clamps (31), the side wall of one end, far away from the clamping grooves (34), of each clamp (31) is fixedly connected with the fourth rotating pin (310), the third threaded sleeve (35) is rotatably connected to the fourth rotating pin (310), two adjacent equal threaded connection has No. two bull sticks (36) between No. three thread bush (35), No. two handles (39) of the equal fixedly connected with in both ends of No. two bull sticks (36), No. two positive screw threads (37) and No. two reverse threads (38) have all been seted up to the equal symmetry in outside of No. two bull sticks (36).
5. The special tool for replacing the linear insulator of the power transmission line according to claim 2, wherein a threaded hole is formed in the rotating sleeve (16), the second threaded rod (111) is in threaded connection with the rotating sleeve (16) through the threaded hole, and the clamping plate (110) is of an arc-shaped structure and is matched with the connecting rod (17).
6. The special tool for replacing the linear insulator of the power transmission line according to claim 3, wherein the thread directions of the first positive thread (211) and the first negative thread (212) are opposite, the second thread sleeve (27) is in threaded connection with the first rotating rod (29), and the first rotating rod (29) is obliquely arranged.
7. The special tool for replacing the linear insulator of the transmission line as claimed in claim 4, wherein the thread directions of the second positive thread (37) and the second negative thread (38) are opposite, and the second rotating rod (36) is in threaded connection with the third threaded sleeve (35).
8. The special tool for replacing the linear insulator of the power transmission line according to claim 4, wherein two adjacent clamps (31) are symmetrically arranged on two sides of the first vertical rod (21), and two adjacent clamp grooves (34) jointly form a circular ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234119.4A CN110994449B (en) | 2019-12-05 | 2019-12-05 | Special tool for replacing linear insulator of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234119.4A CN110994449B (en) | 2019-12-05 | 2019-12-05 | Special tool for replacing linear insulator of power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110994449A true CN110994449A (en) | 2020-04-10 |
| CN110994449B CN110994449B (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911234119.4A Expired - Fee Related CN110994449B (en) | 2019-12-05 | 2019-12-05 | Special tool for replacing linear insulator of power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110994449B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117424132A (en) * | 2023-11-27 | 2024-01-19 | 淮北艾勒杰电力工程有限公司 | Auxiliary replacement device for power equipment overhaul |
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| CN201877727U (en) * | 2010-12-06 | 2011-06-22 | 河南省电力公司濮阳供电公司 | Supporting frame convenient for insulator replacement |
| CN202534977U (en) * | 2012-03-20 | 2012-11-14 | 上海市电力公司 | V-shaped clamping apparatus for transposing double insulator strings of power transmission line |
| CN203690798U (en) * | 2014-01-02 | 2014-07-02 | 国家电网公司 | Universal tool for replacing suspension angle tower insulator string |
| CN203813334U (en) * | 2014-03-25 | 2014-09-03 | 国家电网公司 | Right-angle yoke plate clamp for live exchange of 220 kV strain insulator string |
| CN104064997A (en) * | 2014-07-16 | 2014-09-24 | 国家电网公司 | Tension-resistance double-string-insulator cross arm side connection hardware fitting electrified replacement clamp and use method |
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2019
- 2019-12-05 CN CN201911234119.4A patent/CN110994449B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080024852A (en) * | 2006-09-15 | 2008-03-19 | 한국전기공사협회 | Live-line changing method of the damaged spacer damper for 765kv double circuit transmission lines |
| CN201877727U (en) * | 2010-12-06 | 2011-06-22 | 河南省电力公司濮阳供电公司 | Supporting frame convenient for insulator replacement |
| CN202534977U (en) * | 2012-03-20 | 2012-11-14 | 上海市电力公司 | V-shaped clamping apparatus for transposing double insulator strings of power transmission line |
| CN203690798U (en) * | 2014-01-02 | 2014-07-02 | 国家电网公司 | Universal tool for replacing suspension angle tower insulator string |
| CN203813334U (en) * | 2014-03-25 | 2014-09-03 | 国家电网公司 | Right-angle yoke plate clamp for live exchange of 220 kV strain insulator string |
| CN104064997A (en) * | 2014-07-16 | 2014-09-24 | 国家电网公司 | Tension-resistance double-string-insulator cross arm side connection hardware fitting electrified replacement clamp and use method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117424132A (en) * | 2023-11-27 | 2024-01-19 | 淮北艾勒杰电力工程有限公司 | Auxiliary replacement device for power equipment overhaul |
| CN117424132B (en) * | 2023-11-27 | 2024-04-02 | 淮北艾勒杰电力工程有限公司 | Auxiliary replacement device for power equipment overhaul |
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| Publication number | Publication date |
|---|---|
| CN110994449B (en) | 2021-05-14 |
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Effective date of registration: 20210707 Address after: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong Patentee after: State Grid Shandong Electric Power Company Yantai Power Supply Co. Address before: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong Patentee before: State Grid Shandong Electric Power Company Yantai Power Supply Co. Patentee before: STATE GRID CORPORATION OF CHINA |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210514 Termination date: 20211205 |