CN107732781B - Automatic traction insulation shielding device - Google Patents
Automatic traction insulation shielding device Download PDFInfo
- Publication number
- CN107732781B CN107732781B CN201711121724.1A CN201711121724A CN107732781B CN 107732781 B CN107732781 B CN 107732781B CN 201711121724 A CN201711121724 A CN 201711121724A CN 107732781 B CN107732781 B CN 107732781B
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- shielding
- pull ring
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- lug
- hanging
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- 238000009413 insulation Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 description 10
- 238000011084 recovery Methods 0.000 description 8
- 238000002955 isolation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 241000422846 Sequoiadendron giganteum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
Landscapes
- Insulating Bodies (AREA)
Abstract
The invention provides an automatic traction insulation shielding device, which comprises a shielding cover, a driving device and a connecting clamp; the shielding covers are sequentially arranged, the connecting clamps are used for connecting two adjacent shielding covers, and the driving device is arranged at the end part of the shielding cover and used for driving the shielding cover to move on the lead. The shielding device can automatically complete the totally-enclosed shielding of the live wire, and a worker only needs to put the shielding cover on the wire and open the pull ring to complete shielding. After the work is completed, the restoration pull ring is opened, and the shielding cover returns to the normal state again, so that the device is convenient to detach.
Description
Technical Field
The invention relates to a shielding device, in particular to an automatic traction insulation shielding device.
Background
In order to ensure uninterrupted user power supply, the distribution line in operation must be constructed and overhauled without power failure. Wherein the tasks of standing and removing the electric pole without power failure are increasingly frequent. The project has wide operation sites, many people and large technical difficulty, and can be used for making a road in a screw shell in complex environments such as a plurality of roads, vehicles or adjacent to the side of a house tree. Particularly, when a new pole is erected or an old pole is withdrawn in a wire rail, the safe distance between the pole and the existing electric wire is difficult to maintain. For this purpose, safety isolation measures such as insulation shielding of the wire and insulation wrapping of the electric pole are required. However, such safety isolation measures are cumbersome and time-consuming to operate, and the insulating shielding blanket used is vulnerable to damage, resulting in a high cost.
The safety isolation measures of the conducting wire and the pole adopted when the uninterrupted power standing and pole removing operation are as follows:
1) An insulating shielding pipe is arranged on the lead, and insulating blanket type is wrapped on the upper part of the pole body, the cross arm and other parts of the pole;
2) An insulating shielding cover is arranged on the lead and an insulating sleeve is wrapped in a pole body at the upper part of the pole;
3) Lifting the three-phase electric wires to the overhead type of the electric pole to be erected and withdrawn by utilizing an insulating arm of the insulating arm vehicle;
4) And binding a traction rope on the sheathed wire insulation shielding pipe, and moving the insulation shielding pipe by ground personnel through the traction rope to keep the effective isolation type of the electric pole and the wire.
The previous 1) and 2) types are complicated and time-consuming to operate, and the insulating shielding blanket and the like used are vulnerable. The type 3) is provided with one more insulating arm vehicle, and is only suitable for being adopted under the environmental conditions that the operation site is open and one more insulating arm vehicle is accommodated. While the 4 th version is much more time-efficient than the several versions, it is difficult to implement when encountering a large tree or building obstruction. At present, a part of production units use a method of sleeving an insulating shielding pipe on a wire, binding a traction rope on the shielding pipe, and moving the insulating shielding pipe on the ground by personnel through the traction rope when the electric pole is erected and withdrawn to move close to the wire so as to keep the electric pole and the wire effectively isolated. The method is much more time-saving and convenient than the method of insulating and shielding wires and insulating the electric pole, but is difficult to implement when a big tree or a building is blocked.
In the uninterrupted pole setting process, the traditional method is used for shielding the lead, and the defects are as follows:
2.1 when the charged wire is shielded, the procedure is complicated.
The traditional wire shielding cover is open-type, and after the shielding cover is hung, a gap still exists below, and the shielding cover needs to be wrapped again by using an insulating blanket, and the gap exists between the two shielding covers, and the insulating blanket also needs to be used for further wrapping.
2.2 When the live wire is shielded, the shielding length is longer.
As described in the first section, for a 15m pole, the length of wire to be shielded is 8.48 m, and excessively long shielding length complicates the shielding work and increases the risk of worker work.
Disclosure of Invention
The invention provides an automatic traction insulation shielding device for solving the defects and shortcomings in the prior art.
In order to solve the technical problems, the invention provides an automatic traction insulation shielding device, which comprises a shielding cover, a driving device and a connecting clamp; the shielding covers are sequentially arranged, the connecting clamps are used for connecting two adjacent shielding covers, and the driving device is arranged at the end part of the shielding cover and used for driving the shielding cover to move on the lead.
Further, the shielding cover comprises an outer cylinder and an inner cylinder which are opened at the same position, a rotary auxiliary ring which is integrally formed with the inner cylinder is arranged at the end part of the inner cylinder, two hanging lugs which are integrally formed with the rotary auxiliary ring are arranged on the rotary auxiliary ring, namely a hanging lug I and a hanging lug II, wherein the hanging lugs I and the hanging lugs II are respectively positioned at the opened end part of the rotary auxiliary ring, and the hanging lugs I are positioned on the rotary auxiliary ring between the other end of the opening of the rotary auxiliary ring and the diameter of the hanging lugs II; a shielding pull ring and a restoring pull ring are respectively arranged on the first hanging ring and the second hanging ring; the end part of the outer cylinder is provided with a first lug and a second lug which are integrally formed with the outer cylinder, the first lug is positioned at a position corresponding to the first hanging lug, the tops of the first lug and the first hanging lug are provided with through holes serving as bolts of a shielding pull ring, the shielding pull ring is fixed on the first hanging lug through a long hole through a screw, the top of the second hanging lug is provided with a through hole serving as a bolt of a restoring pull ring, and the long hole of the restoring pull ring is fixed on the second hanging lug through a screw; the other end part of the outer cylinder opening is connected with the top of the restoring pull ring through a shielding rubber band, and the other end part of the rotation auxiliary ring is connected with the second lug through a restoring rubber band; the inner wall of the inner cylinder is provided with a connecting rod connected with the driving device and a pulley used for contacting with the lead.
Further, a handle is arranged on the outer cylinder.
Further, the driving device comprises two fixing plates which are arranged in parallel, and a driving wheel and an auxiliary wheel are respectively arranged at two ends of the two fixing plates; the driving wheel is sleeved on the driving shaft, and two ends of the driving shaft are respectively inserted into ball bearings arranged at the end parts of the two fixing plates; the auxiliary wheel is sleeved on the driven shaft, and two ends of the driven shaft are respectively inserted into ball bearings arranged at the other ends of the two fixing plates; a through cover plate is arranged on the outer side of the position, corresponding to the driving shaft, of one fixing plate, one end of the through cover plate is fixed on the fixing plate, a driving motor is fixed on the other end of the through cover plate, a driving shaft of the driving motor penetrates through a middle hole of the through cover plate to be connected with the driving shaft, and a battery is fixed on the lower portion of the other fixing plate and is electrically connected with the driving motor; a connecting plate is fixed on the through cover plate, a magnet is fixed on the connecting plate, and the magnet is positioned at the middle position of the two fixing plates; the driving device also comprises a remote controller for driving the motor to work.
Further, the connecting clamp comprises a body, a pull ring, an insulating blanket, a movable limiter and a fixed limiter, wherein the body comprises two clamp bodies which are oppositely arranged, a through hole is formed in the top of each clamp body, the through holes are connected through a connecting shaft, and a round hole matched with the shielding cover is formed in the middle position of each clamp body; a fixed limiter and a movable limiter are arranged between the clamp bodies, the movable limiter is positioned at the end part of the clamp body, a pull ring is arranged on the clamp body, an integrally formed inserting sheet is arranged on the movable limiter, and the inserting sheet penetrates through the plate surface of the clamp body and is connected with a plug of the pull ring through an inserting hole arranged on the inserting sheet; the insulating blanket covers the clamp body.
Further, a top rod is arranged between the clamp bodies and penetrates through the movable limiter and the fixed limiter.
The invention achieves the beneficial technical effects that: the invention provides an automatic traction insulating shielding device which can automatically complete the totally-enclosed shielding of a live wire, and a worker only needs to put the shielding cover on the wire and open a pull ring to complete shielding. Compared with the traditional wire shielding mode, the method saves working steps and reduces working time. After the work is completed, the restoration pull ring is opened, and the shielding cover returns to the normal state again, so that the device is convenient to detach. The shielding cover connecting clamp is used for shielding the part between the two lead shielding covers, the part is in place in one step, and the part can be quickly shielded by matching with the insulating blanket inside the connecting clamp. The limiter in the connecting clamp ensures that the two shielding covers do not generate displacement in the process of moving forwards and backwards. The remote control traction shielding cover is used, so that the shielding length of the wires in the process of standing up without power failure can be shortened, and the workload of workers is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the shadow mask of the present invention;
FIG. 3 is a side view of the shadow mask of the present invention;
FIGS. 4-6 are enlarged schematic views of the end of the mask of the present invention;
FIG. 7 is a front view of the driving device of the present invention;
FIG. 8 is a top view of the drive apparatus of the present invention;
FIG. 9 is a left side view of the drive device of the present invention;
FIG. 10 is a schematic view of the structure of the connecting clip of the present invention.
Wherein: 1, shielding cover; 101 handles; 102, a pulley; 103 an inner cylinder; 104 an outer cylinder; 105 rotating the auxiliary ring; 106 shielding the pull ring; 107 restoring the pull ring; 108 shielding the rubber band; 109 recovering the rubber band; 110 connecting rods; 111 hanging the first ear; 112 hanging the second ear; 113 lobe one; 114 second lugs; 115 screws; 2a driving device; 201 a fixing plate; 202, a driving wheel; 203 auxiliary wheels; 204 ball bearings; 205 through cover plates; 206 driving a motor; 207 magnets; 208 cells; 209 driving shaft; 210 a driven shaft; 211 hooks; 212 a connecting plate; 3, connecting clamps; 301 clamp body; 302 pull ring; 303 a movable stop; 304 fixing a limiter; 305 an insulating blanket; 306 a connecting shaft; 307 insert; 308 against the rod.
Detailed Description
The invention is further described below in connection with specific embodiments. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
The patent of the invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 10, the present invention provides an automatic traction insulation shielding device, comprising a shielding cover 1, a driving device 2 and a connecting clip 3; the shielding covers 1 are sequentially arranged in a plurality, the connecting clamps 3 are used for connecting two adjacent shielding covers 1, and the driving device 2 is arranged at the end part of the shielding cover 1 and used for driving the shielding covers 1 to move on the lead.
The shielding cover 1 comprises an outer cylinder 103 and an inner cylinder 104 which are opened at the same position, a rotation auxiliary ring 105 integrally formed with the inner cylinder 104 is arranged at the end part of the inner cylinder 104, two hangers which are integrally formed with the rotation auxiliary ring 105 are respectively a first hanger 111 and a second hanger 112, wherein the second hanger 112 is positioned at the opened end part of the rotation auxiliary ring 105, and the first hanger 111 is positioned on the rotation auxiliary ring 105 between the other end of the opening of the rotation auxiliary ring 105 and the diameter of the second hanger 112; a shielding pull ring 106 and a restoring pull ring 107 are respectively arranged on the first hanging lug 111 and the second hanging lug 112; the end part of the outer cylinder 103 is provided with a first lug 113 and a second lug 114 which are integrally formed with the outer cylinder 103, the first lug 113 is positioned at a position corresponding to the first hanging lug 111, the tops of the first lug 113 and the first hanging lug 111 are provided with through holes serving as bolts of a shielding pull ring 106, the shielding pull ring 106 is fixed on the first hanging lug 111 through a long hole through a screw 115, the top of the second hanging lug 112 is provided with a through hole serving as a bolt of a restoring pull ring 107, and the long hole of the restoring pull ring 107 is fixed on the second hanging lug 112 through the screw 115; the other end of the opening of the outer cylinder 103 is connected with the top of the restoring pull ring 107 through a shielding rubber band 108, and the other end of the rotation auxiliary ring 105 is connected with the second lug 114 through a restoring rubber band 109 and is fixed through a screw 115; the inner wall of the inner cylinder 104 is provided with a connecting rod 110 connected with the driving device and a pulley 102 used for contacting with a wire. The outer cylinder 103 is provided with a handle 101, so that the portable electric bicycle is convenient to carry.
The working principle of the shielding cover is as follows: firstly, when the shielding cover is in a normal state, a worker holds a handle to cover the shielding cover on a live wire, and a pulley in the wire shielding cover is arranged on the wire; secondly, the shielding pull ring is pulled open, and the shielding cover is converted into a shielding state from a normal state; thirdly, after the uninterrupted power operation is finished, a worker pulls down the recovery pull ring, the shielding rubber band is separated from the top of the recovery pull ring, the shielding rubber band is in an unstressed state, and as the recovery rubber band is in a stretched state, acting force acts on the inner cylinder and the outer cylinder, so that the shielding cover is converted from a shielding state to a recovery state; fourth, the shielding rubber band is reloaded into the top of the restoring pull ring, and the wire shielding cover is converted into a normal state; wherein, in the normal state: the outer cylinder and the inner cylinder are overlapped, a gap is leaked from the cylinder body, the elastic band is shielded in the state to treat the stretching state, and the elastic band is restored to be in the original state; when in a shielding state: the positions of the outer cylinder and the inner cylinder are staggered to shield the gap on the cylinder body, in this state, the shielding rubber band is in a contracted state, and the recovery rubber band is in a stretched state; when in the recovery state: and (3) overlapping the positions of the outer cylinder and the inner cylinder again, wherein the shielding rubber band is in an unstressed state in the state, and the position of the outer cylinder and the inner cylinder is converted into a normal state by the recovery force of the recovery rubber band stretching.
The driving device 2 comprises two fixing plates 201 which are arranged in parallel, and a driving wheel 202 and an auxiliary wheel 203 are respectively arranged at two ends of the two fixing plates 201; the driving wheel 202 is sleeved on the driving shaft 209, and two ends of the driving shaft 209 are respectively inserted into ball bearings 204 arranged at the end parts of the two fixing plates 201; the auxiliary wheel 203 is sleeved on the driven shaft 210, and two ends of the driven shaft 210 are respectively inserted into ball bearings 204 arranged at the other ends of the two fixing plates 201; a through cover plate 205 is arranged on the outer side of one fixing plate 201 corresponding to the position of the driving shaft 209, one end of the through cover plate 205 is fixed on the fixing plate 201, a driving motor 206 is fixed on the other end of the through cover plate, a driving shaft of the driving motor 206 passes through a middle hole of the through cover plate 205 to be connected with the driving shaft 209, a battery 208 is fixed on the lower portion of the other fixing plate 201, and the battery 280 is electrically connected with the driving motor 206; a connecting plate 212 is fixed on the through cover 205, a magnet 207 is fixed on the connecting plate 212, and the magnet 207 is positioned at the middle position of the two fixing plates 201; the drive means further comprises a remote control for driving the operation of the motor 206.
The working principle of the driving device is as follows: the staff uses insulating action bars to hook the couple, hangs action wheel and auxiliary wheel on the wire, then through remote controller control driving motor work, driving motor drives the action wheel and rotates, makes drive arrangement remove on the wire, when removing near shielding the cover, because magnet and shielding cover the attraction between the connecting rod to realize drive arrangement and drive shielding cover and remove on the wire.
The connecting clamp 3 comprises a body, a pull ring 302, an insulating blanket 305, a movable limiter 303 and a fixed limiter 304, wherein the body comprises two clamp bodies 301 which are oppositely arranged, a through hole is formed in the top of each clamp body 301, the through holes are connected through a connecting shaft 306, and a round hole matched with the shielding cover 1 is formed in the middle position of each clamp body 301; a fixed limiter 304 and a movable limiter 303 are arranged between the clamp bodies 301, the movable limiter 303 is positioned at the end part of the clamp bodies 301, a pull ring 302 is arranged on the clamp bodies 301, an integrally formed inserting sheet 307 is arranged on the movable limiter 303, the inserting sheet 307 penetrates through the plate surface of the clamp bodies 301, and is connected with a plug of the pull ring 302 through an inserting hole arranged on the inserting sheet 307; the insulating blanket 305 is overlaid on the clip 301. A top rod 308 is arranged between the clamp bodies 301, and the top rod 308 penetrates through the movable limiter 303 and the fixed limiter 304.
The working principle of the connecting clamp is as follows: the staff holds the connecting shaft, opens the clamp body from the opening at the lower part and clamps the end parts of the two shielding covers, and in the process, the rotary auxiliary rings of the shielding covers at the two sides are ensured to be positioned between the movable limiter and the fixed limiter; the end part of the pull ring is inserted into the through hole on the inserting sheet, and the connecting clamp is rotated for one circle, so that the insulating blanket completely shields the connecting clamp. After the shielding covers are connected, the driving device drives all the shielding covers to move on the lead.
The present invention has been disclosed in the preferred embodiments, but the invention is not limited thereto, and the technical solutions obtained by adopting equivalent substitution or equivalent transformation fall within the protection scope of the present invention.
Claims (4)
1. An automatic traction insulation shielding device is characterized in that: comprises a shielding cover, a driving device and a connecting clamp; the shielding covers are sequentially arranged, the connecting clamps are used for connecting two adjacent shielding covers, and the driving device is arranged at the end part of the shielding cover and used for driving the shielding cover to move on the lead;
The shielding cover comprises an outer cylinder and an inner cylinder which are opened at the same position, a rotary auxiliary ring which is integrally formed with the inner cylinder is arranged at the end part of the inner cylinder, two hanging lugs which are integrally formed with the rotary auxiliary ring are arranged on the rotary auxiliary ring, namely a hanging lug I and a hanging lug II, wherein the hanging lugs are positioned at the end part of the opening of the rotary auxiliary ring, and the hanging lugs I are positioned on the rotary auxiliary ring between the other end of the opening of the rotary auxiliary ring and the diameter of the hanging lugs II; a shielding pull ring and a restoring pull ring are respectively arranged on the first hanging ring and the second hanging ring; the end part of the outer cylinder is provided with a first lug and a second lug which are integrally formed with the outer cylinder, the first lug is positioned at a position corresponding to the first hanging lug, the tops of the first lug and the first hanging lug are provided with through holes serving as bolts of a shielding pull ring, the shielding pull ring is fixed on the first hanging lug through screws at long holes, the top of the second hanging lug is provided with a through hole serving as bolts of a restoring pull ring, and the long holes of the restoring pull ring are fixed on the second hanging lug through screws; the other end part of the outer cylinder opening is connected with the top of the restoring pull ring through a shielding rubber band, and the other end part of the rotation auxiliary ring is connected with the second lug through a restoring rubber band; the inner wall of the inner cylinder is provided with a connecting rod connected with the driving device and a pulley used for contacting with a wire;
The driving device comprises two fixing plates which are arranged in parallel, and a driving wheel and an auxiliary wheel are respectively arranged at two ends of the two fixing plates; the driving wheel is sleeved on the driving shaft, and two ends of the driving shaft are respectively inserted into ball bearings arranged at the end parts of the two fixing plates; the auxiliary wheel is sleeved on the driven shaft, and two ends of the driven shaft are respectively inserted into ball bearings arranged at the other ends of the two fixing plates; a through cover plate is arranged on the outer side of the position, corresponding to the driving shaft, of one fixing plate, one end of the through cover plate is fixed on the fixing plate, a driving motor is fixed on the other end of the through cover plate, a driving shaft of the driving motor penetrates through a middle hole of the through cover plate to be connected with the driving shaft, and a battery is fixed on the lower portion of the other fixing plate and is electrically connected with the driving motor; a connecting plate is fixed on the through cover plate, a magnet is fixed on the connecting plate, and the magnet is positioned at the middle position of the two fixing plates; the driving device also comprises a remote controller for driving the motor to work.
2. The automatic traction insulated shelter apparatus of claim 1, wherein: the outer cylinder is provided with a handle.
3. The automatic traction insulated shelter apparatus of claim 1, wherein: the connecting clamp comprises a body, a pull ring, an insulating blanket, a movable limiter and a fixed limiter, wherein the body comprises two clamp bodies which are oppositely arranged, a through hole is formed in the top of each clamp body, the through holes are connected through a connecting shaft, and a round hole matched with the shielding cover is formed in the middle of each clamp body; a fixed limiter and a movable limiter are arranged between the clamp bodies, the movable limiter is positioned at the end part of the clamp body, a pull ring is arranged on the clamp body, an integrally formed inserting sheet is arranged on the movable limiter, and the inserting sheet penetrates through the plate surface of the clamp body and is connected with a plug of the pull ring through an inserting hole arranged on the inserting sheet; the insulating blanket covers the clamp body.
4. An automatic traction insulated shelter apparatus as claimed in claim 3, wherein: a top rod is arranged between the clamp bodies and penetrates through the movable limiter and the fixed limiter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121724.1A CN107732781B (en) | 2017-11-14 | 2017-11-14 | Automatic traction insulation shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121724.1A CN107732781B (en) | 2017-11-14 | 2017-11-14 | Automatic traction insulation shielding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107732781A CN107732781A (en) | 2018-02-23 |
| CN107732781B true CN107732781B (en) | 2024-06-14 |
Family
ID=61215903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711121724.1A Active CN107732781B (en) | 2017-11-14 | 2017-11-14 | Automatic traction insulation shielding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107732781B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086116B (en) * | 2019-05-18 | 2024-02-09 | 国网湖北省电力有限公司宜昌供电公司 | Insulating shielding tool for uninterrupted operation of 0.4kV distribution network |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037654A (en) * | 2014-06-19 | 2014-09-10 | 国网四川省电力公司成都市新都供电分公司 | Safety electric overhead vehicle |
| CN204538558U (en) * | 2015-04-29 | 2015-08-05 | 国网冀北电力有限公司廊坊供电公司 | A kind of insulated shielding cover |
| CN207530430U (en) * | 2017-11-14 | 2018-06-22 | 国网江苏省电力公司技能培训中心 | A kind of automatic traction insulating shielding device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3660945B2 (en) * | 1999-11-01 | 2005-06-15 | 藤井電工株式会社 | Pillar safety belt with auxiliary rope |
| CN201408941Y (en) * | 2009-05-15 | 2010-02-17 | 上海市南电力工程有限公司 | Conjoined insulated shielding cover for 10kV line ceramic draw bars and wires |
| CN202206071U (en) * | 2011-09-19 | 2012-04-25 | 湖南省电力公司长沙电业局 | Insulating shielding cover used for replacing linear rod insulator |
| CN203553729U (en) * | 2013-11-25 | 2014-04-16 | 国家电网公司 | Wire insulation shielding cover |
| CN104967055A (en) * | 2015-07-16 | 2015-10-07 | 国网冀北电力有限公司廊坊供电公司 | Insulation cover shielding air live line |
| CN205666346U (en) * | 2016-06-07 | 2016-10-26 | 武汉里得电力科技股份有限公司 | Self -adhesion shields cover |
| CN106189255A (en) * | 2016-07-22 | 2016-12-07 | 江阴市驰誉电力科技有限公司 | Electrically insulating silicone rubber and jumper clamp insulation protective hood prepared therefrom |
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2017
- 2017-11-14 CN CN201711121724.1A patent/CN107732781B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037654A (en) * | 2014-06-19 | 2014-09-10 | 国网四川省电力公司成都市新都供电分公司 | Safety electric overhead vehicle |
| CN204538558U (en) * | 2015-04-29 | 2015-08-05 | 国网冀北电力有限公司廊坊供电公司 | A kind of insulated shielding cover |
| CN207530430U (en) * | 2017-11-14 | 2018-06-22 | 国网江苏省电力公司技能培训中心 | A kind of automatic traction insulating shielding device |
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| Publication number | Publication date |
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| CN107732781A (en) | 2018-02-23 |
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