CN110601073B - Mounting equipment is changed to electric power insulator - Google Patents
Mounting equipment is changed to electric power insulator Download PDFInfo
- Publication number
- CN110601073B CN110601073B CN201910948221.4A CN201910948221A CN110601073B CN 110601073 B CN110601073 B CN 110601073B CN 201910948221 A CN201910948221 A CN 201910948221A CN 110601073 B CN110601073 B CN 110601073B
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- Prior art keywords
- frame
- mounting
- guide
- screw rod
- fixedly installed
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- 239000012212 insulator Substances 0.000 title claims abstract description 59
- 238000009434 installation Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000003989 dielectric material Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000615 nonconductor Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Landscapes
- Electric Cable Installation (AREA)
- Insulators (AREA)
Abstract
The invention relates to an electric power insulator replacement and installation device which comprises a lifting mechanism, an installation frame fixedly installed on the lifting mechanism, a supporting disc assembly fixedly installed on the installation frame and used for supporting a post insulator, and a clamping mechanism installed on the installation frame in a sliding mode, wherein the vertical section of the installation frame is in a U shape, the supporting disc assembly is fixedly installed on the inner end face of the installation frame, and the clamping mechanism comprises a three-side enclosure frame installed between two inner side walls of the installation frame in a sliding mode, a second screw rod installed on the side wall of the three-side enclosure frame in a vertical rotating mode, a nut connected to the second screw rod in a threaded mode, two connecting rods hinged to the nut, two clamping handles and a guide rod horizontally and; the auxiliary device provided by the invention can assist the overhaul and maintenance personnel to install the post insulator, effectively avoids the accidental falling of the post insulator, reduces the operation burden of the overhaul and maintenance personnel, and reduces the labor intensity and the danger.
Description
Technical Field
The invention relates to the technical field of electric power installation, and particularly provides electric power insulator replacement and installation equipment.
Background
The insulator is a special insulating control and can play an important role in an overhead transmission line, the insulator can be divided into a suspension insulator and a post insulator according to different installation modes, and the post insulator is used in a large number in a transformer substation and is the most common.
The 10kV post insulators used for insulation and supporting in the transformer substation are large in number. The transformer substation is a work of large workload and large labor intensity for the installation of the post insulator, in addition, even after the post insulator is assembled in the transformer substation, along with the increase of the service life of the post insulator, the post insulator is affected by adverse factors such as self manufacturing process defects, outdoor environment moisture, heat, high temperature and the like, the post insulator can have the problems of serious corrosion of a metal connecting piece, damage of an insulator porcelain bottle, failure of a coating and the like, and the post insulator with the fault must be timely replaced irregularly so as to ensure the normal safe and stable operation of a power supply network.
However, in the actual installation process of the post insulator, due to the fact that the post insulator is heavy in weight, the installation positions of the post insulators are high or low, the field environment is complex, faults occur in batches, and the like, the replacement task of the post insulator is heavy, and the work of replacing the post insulator brings about not little challenge to the maintenance work. Maintenance person often need the foot to step on insulating ladder at the in-process of actual installation, and the safety belt is tied to the body, holds mounting tool on one hand, holds up the post insulator on the other hand, develops the change work, and this will certainly lead to maintenance person work fatigue, probably causes the emergence of accident such as personnel, multiplexer utensil and post insulator fall.
Based on the problems, the invention provides a device for replacing and installing an electric insulator.
Disclosure of Invention
In order to solve the above problems, the present invention provides an electrical insulator replacement and installation apparatus, which can solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: an electric power insulator replacement and installation device comprises a lifting mechanism, a mounting frame fixedly mounted on the lifting mechanism, a supporting disc assembly fixedly mounted on the mounting frame and a clamping mechanism slidably mounted on the mounting frame, wherein the vertical section of the mounting frame is U-shaped, the supporting disc assembly is fixedly mounted on the inner end face of the mounting frame, the clamping mechanism comprises a three-sided enclosure frame slidably mounted between two inner side walls of the mounting frame, a second screw vertically rotatably mounted on the side wall of the three-sided enclosure frame, a nut in threaded connection with the second screw, two connecting rods hinged to the nut, two clamping handles and a guide rod horizontally and fixedly mounted between the inner side walls of the three-sided enclosure frame, the central shaft of the second screw coincides with the vertical central plane of the three-sided enclosure frame, and the two connecting rods are symmetrically distributed about the second screw, every the tip of connecting rod is all articulated to be installed embrace the tong, two embrace the equal slidable mounting of tong and be in on the guide arm and set up relatively, it is located to embrace the tong the guide arm outside part is circular-arc, it has the roller of embracing of a plurality of rotations installations to embrace the tong and be located the regional vertical evenly distributed of circular-arc place to embrace the tong, the roll surface of embracing the roller is rubber materials, the guide arm is relative No. two screw rods are perpendicular.
Preferably, the lifting mechanism comprises a movable base, two guide pillars vertically and fixedly mounted on the upper end surface of the base, a lifting platform horizontally and slidably mounted on the two guide pillars, and a first screw rod vertically and rotatably mounted on the base, the two guide pillars are symmetrically distributed on two outer sides of the mounting frame, the first screw rod is in threaded connection with the lifting platform, and the mounting frame is fixedly mounted on the lifting platform.
Preferably, the support disc assembly comprises two guide sleeves fixedly mounted on the inner end face of the mounting frame in parallel, two sliding rods and a support disc fixedly mounted on the two sliding rods, the two sliding rods are correspondingly slidably mounted in the two guide sleeves, and the sliding rods are arranged in parallel relative to the second screw rod.
Preferably, the supporting disk comprises a rotating base fixedly installed on the two sliding rods and a rotating disk rotatably installed on the rotating base, and a blocking edge is arranged on the end face of the rotating disk.
Preferably, the nut is fixedly provided with a reinforcing guide plate which is in sliding connection with the three-side enclosure frame.
Preferably, No. one the screw rod bottom is equipped with the hand wheel, No. two the screw rods are located the tip that the trilateral frame outside that encloses is equipped with the hand wheel No. two.
The technical scheme has the following advantages or beneficial effects:
1. the invention provides a device for replacing and installing a power insulator, which can drive a post insulator to ascend to a higher installation position through a lifting mechanism, and the arranged clamping mechanism can always provide effective protection in the process of installing the post insulator, so that maintenance personnel do not need to actively hold the post insulator and can vacate hands to specially fix the post insulator, the accidental falling of the post insulator is effectively avoided, the operation burden of the maintenance personnel is reduced, and the labor intensity and the danger are reduced.
2. The invention provides an electric insulator replacement and installation device, wherein a rotatable rotating disc is arranged in a supporting disc, a blocking edge structure is arranged on the rotating disc, the blocking edge structure enables the supporting disc to move forwards along with a pushing clamping mechanism when the pushing clamping mechanism is close to an installation platform, the supporting disc can always support the lower end of a post insulator in the movement process, the post insulator can be prevented from falling off, when the supporting disc is close to the installation position, the blocking of the blocking edge can be removed by the rotatable rotating disc, and the operation is very convenient.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a front view of an electrical insulator replacement installation apparatus provided by the present invention;
fig. 2 is a plan view of an electrical insulator replacement installation apparatus provided in the present invention.
In the figure: 1. a lifting mechanism; 11. a base; 12. a guide post; 13. a lifting platform; 14. a first screw rod; 141. a first hand wheel; 2. a mounting frame; 3. a support disc assembly; 31. a guide sleeve; 32. a slide bar; 33. a support disc; 331. rotating the base; 332. rotating the disc; 3321. blocking edges; 4. a clamping mechanism; 41. three sides of the frame; 42. a second screw; 421. a second hand wheel; 43. a nut; 431. reinforcing the guide plate; 44. a connecting rod; 45. clamping a hand; 451. carrying out roller holding; 46. a guide rod.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.
Referring to fig. 1-2, an electric insulator replacement and installation apparatus includes an elevating mechanism 1, an installation frame 2 fixedly installed on the elevating mechanism 1, a support disc assembly 3 fixedly installed on the installation frame 2, and a clasping mechanism 4 slidably installed on the installation frame 2, wherein a vertical cross-section of the installation frame 2 is U-shaped, the support disc assembly 3 is fixedly installed on an inner end surface of the installation frame 2, the clasping mechanism 4 includes a three-sided enclosure frame 41 slidably installed between two inner side walls of the installation frame 2, a second screw 42 vertically rotatably installed on a side wall of the three-sided enclosure frame 41, a nut 43 threadedly connected to the second screw 42, two connecting rods 44 hingedly installed on the nut 43, two clasping handles 45, and a guide rod 46 horizontally and fixedly installed between inner side walls of the three-sided enclosure frame 41, a central axis of the second screw 42 coincides with a vertical central plane of the three-sided enclosure frame 41, and a second hand wheel 421 is installed at an end portion, two connecting rods 44 are symmetrically distributed about a second screw rod 42, the end part of each connecting rod 44 is hinged with a clamping arm 45, the two clamping arms 45 are slidably mounted on a guide rod 46 and are arranged oppositely, the clamping arm 45 is positioned on the outer side part of the guide rod 46 and is arc-shaped, three rotatably mounted clamping rollers 451 are vertically and uniformly distributed in the area where the clamping arm 45 is positioned in the arc shape, the roller surfaces of the clamping rollers 451 are made of rubber materials, and the guide rod 46 is perpendicular to the second screw rod 42. When carrying out the armful clamp to the post insulator, keep two armful clamp hands 45 earlier open, then with the vertical placing on supporting disk 33 of post insulator, No. two hand wheels 421 rotate afterwards, thereby drive nut 43 one side motion of erroneous tendency No. two hand wheels 421 through No. two screw rods 42, then two connecting rods 44 will stimulate articulated armful clamp hand 45 with it separately, make two armful clamp hands 45 slide along guide arm 46 in opposite directions, thereby two armful clamp hands 45 cooperate with clasping the post insulator tightly, when carrying out the fixed mounting of post insulator, accessible armful clamp mechanism 4 clasps the protection, can not need artifical additionally to hold the post insulator, alleviate workman's working strength, the in-process that the post insulator is embraced the clamp, the armful roller 451 that is the rubber material all the time contacts with its surface, can effectively avoid embracing and press from the antifouling flashover coating on post insulator surface that presss from both sides the in-process.
Further, the lifting mechanism 1 comprises a movable base 11, two guide pillars 12 vertically welded and fixedly installed on the upper end face of the base 11, a lifting platform 13 horizontally slidably installed on the two guide pillars 12, and a first screw 14 vertically rotatably installed on the base 11, the two guide pillars 12 are symmetrically distributed on two outer sides of the mounting rack 2, the first screw 14 is in threaded connection with the lifting platform 13, a first hand wheel 141 is arranged at the bottom end of the first screw 14, and the mounting rack 2 is fixedly installed on the lifting platform 13. The lifting mechanism 1 can drive the post insulator to ascend to a mounting position, and particularly, the first hand wheel 141 can be rotated to drive the first screw 14 to drive the lifting platform to vertically ascend and descend.
Further, the support plate assembly 3 includes two guide sleeves 31 welded and fixedly mounted on the inner end face of the mounting bracket 2 in parallel, two sliding rods 32 and a support plate 33 fixedly mounted on the two sliding rods 32, the two sliding rods 32 are slidably mounted in the two guide sleeves 31 correspondingly, the sliding rods 32 are arranged in parallel relative to the second screw rod 42, the support plate 33 includes a rotating base 11 fixedly mounted on the two sliding rods 32 and a rotating plate 332 rotatably mounted on the rotating base 11, and a blocking edge 3321 is provided on the end face of the rotating plate 332. The supporting disk 33 is used for supporting and placing the post insulator, the effect of keeping off along 3321 lies in promoting whole embracing and presss from both sides mechanism 4 along the in-process that mounting bracket 2 slided the mounted position who is close to the post insulator, supporting disk 33 will be along with moving forward, slide bar 32 slides outwards from guide pin bushing 31 promptly, thereby can guarantee to be close to the in-process post insulator of motion and can both effectively support all the time, thereby prevent that the post insulator from dropping, when pressing close to the mounted position, alright rotate rolling disc 332, make and keep off along 3321 not constitute and block, afterwards alright continue to push away post insulator to mounting platform.
Further, a reinforcing guide 431 slidably connected to the three-sided enclosure frame 41 is fixedly attached to the nut 43. The reinforcing guide 431 is used for reinforcing the structure of the nut 43 and improving the movement stability of the nut 43.
The working principle and the working process of the replacement and installation equipment for the electric insulator provided by the invention are as follows:
when carrying out post insulator installation operation, remove this device to post insulator's mounted position, post insulator that will treat the installation afterwards is placed on supporting disk 33, and hold post insulator through embracing and press from both sides mechanism 4 tightly, rise to mounting height through elevating system 1 with post insulator after that, promote whole armful press from both sides mechanism 4 and slide and be close to mounting platform afterwards, and rotate rolling disc 332 when pressing close to mounting platform position, continue to promote immediately and embrace and press from both sides mechanism 4, make post insulator's bottom place on mounting platform, then install post insulator's upper and lower end through the bolt fastening, alright loosen two armful tong 45 after post insulator fixed mounting is good, alright carry out next post insulator's installation afterwards.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (6)
1. The utility model provides an electric power insulator changes erection equipment, includes elevating system (1), fixed mounting in mounting bracket (2), fixed mounting on elevating system (1) are in supporting disc subassembly (3) and slidable mounting on mounting bracket (2) embrace and press from both sides mechanism (4), its characterized in that: the vertical cross section of the mounting frame (2) is U-shaped, the supporting disc assembly (3) is fixedly installed on the inner end face of the mounting frame (2), the clasping mechanism (4) comprises a three-sided surrounding frame (41) which is installed between two inner side walls of the mounting frame (2) in a sliding mode, a second screw rod (42) which is installed on the side wall of the three-sided surrounding frame (41), a nut (43) which is in threaded connection with the second screw rod (42), two connecting rods (44) which are installed on the nut (43) in a hinged mode, two clasping handles (45) and a guide rod (46) which is horizontally and fixedly installed between the inner side walls of the three-sided surrounding frame (41), the central shaft of the second screw rod (42) coincides with the vertical central plane of the three-sided surrounding frame (41), the two connecting rods (44) are symmetrically distributed about the second screw rod (42), and the end part of each connecting rod (44) is hinged with the clasping, two embrace tong (45) equal slidable mounting in on guide arm (46) and relative setting, embrace tong (45) and be located guide arm (46) outside part is circular-arc, embrace tong (45) and be located the regional vertical evenly distributed of circular-arc place and have a plurality of armful rollers (451) of rotating the installation, the roll surface of armful roller (451) is rubber materials, guide arm (46) are relative No. two screw rod (42) are perpendicular.
2. An electric insulator replacement installation apparatus according to claim 1, wherein: the lifting mechanism (1) comprises a movable base (11), two guide columns (12) vertically and fixedly mounted on the upper end face of the base (11), a lifting platform (13) horizontally and slidably mounted on the two guide columns (12) and a first screw (14) vertically and rotatably mounted on the base (11), the two guide columns (12) are symmetrically distributed on two outer sides of the mounting rack (2), the first screw (14) is in threaded connection with the lifting platform (13), and the mounting rack (2) is fixedly mounted on the lifting platform (13).
3. An electric insulator replacement installation apparatus according to claim 1, wherein: the support disc assembly (3) comprises two guide sleeves (31) which are fixedly installed on the inner end face of the installation frame (2) in parallel, two sliding rods (32) and support discs (33) which are fixedly installed on the two sliding rods (32), the two sliding rods (32) are correspondingly slidably installed in the two guide sleeves (31), and the sliding rods (32) are opposite to the second screw rods (42) and arranged in parallel.
4. An electric insulator replacement installation apparatus according to claim 3, wherein: the supporting disc (33) comprises a rotating base (331) fixedly installed on the two sliding rods (32) and a rotating disc (332) rotatably installed on the rotating base (331), and a blocking edge (3321) is arranged on the end face of the rotating disc (332).
5. An electric insulator replacement installation apparatus according to claim 1, wherein: and a reinforcing guide plate (431) which is connected with the three-side surrounding frame (41) in a sliding manner is fixedly arranged on the nut (43).
6. An electric insulator replacement installation apparatus according to claim 2, wherein: a screw rod (14) bottom is equipped with hand wheel (141) No. one, No. two screw rods (42) are located the tip in trilateral frame (41) outside of enclosing is equipped with hand wheel (421) No. two.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948221.4A CN110601073B (en) | 2019-10-08 | 2019-10-08 | Mounting equipment is changed to electric power insulator |
| JP2020154595A JP6991417B2 (en) | 2019-10-08 | 2020-09-15 | Replacement mounting device for electric insulators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948221.4A CN110601073B (en) | 2019-10-08 | 2019-10-08 | Mounting equipment is changed to electric power insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110601073A CN110601073A (en) | 2019-12-20 |
| CN110601073B true CN110601073B (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910948221.4A Active CN110601073B (en) | 2019-10-08 | 2019-10-08 | Mounting equipment is changed to electric power insulator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6991417B2 (en) |
| CN (1) | CN110601073B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414779B (en) * | 2021-06-29 | 2022-08-12 | 河南职业技术学院 | Manipulator based on computer control |
| CN113793737B (en) * | 2021-08-31 | 2022-08-30 | 固力发电气有限公司 | Anti-crack anti-corrosion insulator and forming device thereof |
| CN114141448B (en) * | 2021-12-03 | 2023-11-17 | 江西省萍乡市南坑高压电瓷有限公司 | Tightener for porcelain insulator |
| CN114334409B (en) * | 2022-01-06 | 2023-07-07 | 国网安徽省电力有限公司经济技术研究院 | Installation angle adjusting equipment and installation method for busbar post insulator of transformer |
| CN114430130B (en) * | 2022-01-24 | 2023-06-06 | 广东工业大学 | Power failure maintenance device for power automation equipment |
| CN114552484B (en) * | 2022-04-11 | 2023-10-27 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Transmission line insulator chain joint inspection and repair transmission equipment |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280013A (en) * | 1980-06-16 | 1981-07-21 | A. B. Chance Company | Insulator cover |
| CN88203154U (en) * | 1988-02-04 | 1988-11-09 | 徐承申 | With a live wire cleaning device for suspension insulators to be worked |
| JPH0715283Y2 (en) * | 1992-11-26 | 1995-04-10 | 三和鋼器株式会社 | Lifting platform for maintenance and inspection work of insulators in substations |
| JPH07111714A (en) * | 1993-10-08 | 1995-04-25 | Kumamoto Techno Porisu Zaidan | Insulator coupler |
| JP4980158B2 (en) * | 2007-07-09 | 2012-07-18 | 中部電力株式会社 | Jumper wire holder |
| CN204167810U (en) * | 2014-10-28 | 2015-02-18 | 国网上海市电力公司 | A kind of lightning protection pillar insulator live line working wire stripping support |
| CN204258161U (en) * | 2014-12-24 | 2015-04-08 | 深圳供电局有限公司 | A kind of support for changing column support type insulator |
| CN106348212B (en) * | 2016-11-24 | 2019-03-05 | 肇庆威士海库房设备有限公司 | Clamp device is embraced in barrel handling carrier and its oil drum overturning |
| CN206422458U (en) * | 2017-01-22 | 2017-08-18 | 福建东电电力设备有限公司 | A kind of tubular busbar post insulator overhaul platform |
| CN107042514B (en) * | 2017-02-07 | 2020-01-17 | 国网浙江新昌县供电公司 | Transmission line insulator cleans pole-climbing robot with deviation is rectified in crawling |
| CN207069448U (en) * | 2017-08-04 | 2018-03-02 | 中国能源建设集团东北电力第一工程有限公司 | A kind of easy-to-dismount support insulator positioner |
| CN111492548B (en) | 2017-12-18 | 2021-07-13 | 株式会社永木精机 | Insulator separation construction method, and direction changing member, hoisting device on pole, insulator support member and fixing member for opposite pole used in the construction method |
-
2019
- 2019-10-08 CN CN201910948221.4A patent/CN110601073B/en active Active
-
2020
- 2020-09-15 JP JP2020154595A patent/JP6991417B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110601073A (en) | 2019-12-20 |
| JP2021061737A (en) | 2021-04-15 |
| JP6991417B2 (en) | 2022-01-12 |
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