CN211790420U - 10kV live working multifunctional insulation device - Google Patents
10kV live working multifunctional insulation device Download PDFInfo
- Publication number
- CN211790420U CN211790420U CN201922362227.1U CN201922362227U CN211790420U CN 211790420 U CN211790420 U CN 211790420U CN 201922362227 U CN201922362227 U CN 201922362227U CN 211790420 U CN211790420 U CN 211790420U
- Authority
- CN
- China
- Prior art keywords
- plate
- connecting arm
- insulation
- horizontal bottom
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Distribution Board (AREA)
Abstract
The utility model discloses a 10kV live working multifunctional insulation device, which comprises an insulation partition mechanism and a reset mechanism, wherein the insulation partition mechanism is connected with the reset mechanism, and a through hole is arranged at the middle position of the insulation partition mechanism so as to facilitate the passing of a live device; the insulation partition plate mechanism comprises a first insulation partition plate and a second insulation partition plate, the first insulation partition plate and the second insulation partition plate are identical in structure, and the first insulation partition plate is lapped with the second insulation partition plate; the first insulating partition plate comprises a first strip-shaped handle, a first insulating side plate and a first horizontal bottom plate; the reset mechanism comprises a first connecting arm, a second connecting arm and a reset spring, the middle end of the first connecting arm is pivoted with the middle end of the second connecting arm, one end of the reset spring is fixedly connected with the first connecting arm, and the other end of the reset spring is fixedly connected with the second connecting arm. A large number of insulation protection measures are not needed, the operation flow is simplified, and the operation efficiency and safety are improved.
Description
Technical Field
The utility model relates to a power maintenance technical field especially relates to a multi-functional insulating device of 10kV live working.
Background
During the work of replacing a lightning arrester, replacing a drop-out fuse and replacing a linear rod insulator in a live-line work insulating glove method of a power distribution overhead line, a large number of insulating safety tools such as a lead shielding cover, a lead shielding pipe, an insulating blanket and the like are required to be used for insulating and shielding a live body and a grounding body, so that not only is time consumption long, but also the risks of personal casualties and equipment damage caused by mistaken collision in the work process are possibly increased due to the fact that shielding is not tight. Taking replacing a drop-out fuse in a pole of a certain line as an example, the current practice in China is to shield the electrified body of the line from near to far and then shield the grounding body, wherein a large amount of insulating safety tools are required to shield the adjacent lead, the drop-out fuse and the cross arm, and the great burden is undoubtedly caused to the operators. The method has the advantages of low operation efficiency, large physical consumption of operators, long operation time, potential safety hazards, and economic waste caused by scratching and tearing the insulating blanket.
In addition, when the personnel on the pole works in a live mode, a large amount of shielding operation is needed, and once the personnel on the pole works carelessly and is not shielded tightly, the danger of mutual or mutual short circuit can be caused, and the safety of the personnel is threatened.
Disclosure of Invention
In view of the above, there is a need for a portable, easy to use, and safe 10kV live-line work multifunctional insulating device.
A multifunctional insulation device for 10kV live working comprises an insulation partition plate mechanism and a reset mechanism, wherein the insulation partition plate mechanism is connected with the reset mechanism, and a through hole is formed in the middle of the insulation partition plate mechanism so as to facilitate a live device to pass through; the insulation partition plate mechanism comprises a first insulation partition plate and a second insulation partition plate, the first insulation partition plate and the second insulation partition plate are identical in structure, the first insulation partition plate is in lap joint with the second insulation partition plate, the first insulation partition plate comprises a first bar-shaped handle, a first insulation side plate and a first horizontal bottom plate, one end of the first bar-shaped handle is fixedly connected with one end of the first insulation side plate, the lower end of the first insulation side plate is connected with one end of the first horizontal bottom plate, and the other end of the first horizontal bottom plate is fixedly connected with one end of the resetting mechanism; the second insulating partition plate comprises a second strip-shaped handle, a second isolating side plate and a second horizontal bottom plate, one end of the second strip-shaped handle is fixedly connected with one end of the second isolating side plate, the lower end of the second isolating side plate is connected with one end of the second horizontal bottom plate, and the other end of the second horizontal bottom plate is fixedly connected with one end of the resetting mechanism; the first horizontal bottom plate and the second horizontal bottom plate are partially overlapped, a U-shaped groove is respectively arranged at the adjacent positions of the first horizontal bottom plate and the second horizontal bottom plate, and the U-shaped groove on the first horizontal bottom plate and the U-shaped groove on the second horizontal bottom plate jointly form a through hole at the middle position of the insulating partition plate mechanism; the reset mechanism comprises a first connecting arm, a second connecting arm and a reset spring, wherein the middle end of the first connecting arm is pivoted with the middle end of the second connecting arm, one end of the reset spring is fixedly connected with the first connecting arm, and the other end of the reset spring is fixedly connected with the second connecting arm; one end of the first connecting arm is further connected with the first horizontal bottom plate, and one end of the second connecting arm is further connected with the second horizontal bottom plate so as to control the opening and closing of the first insulating partition plate and the second insulating partition plate through the strip-shaped handle.
Preferably, the first insulating partition board is pivoted with the first horizontal bottom board, and the second insulating partition board is pivoted with the second horizontal bottom board.
Preferably, the first insulation partition plate is provided with a first supporting mechanism to prevent the first insulation partition plate from toppling over, the first supporting mechanism comprises a first supporting seat, a first supporting plate and a plurality of first positioning grooves, the first supporting seat is arranged on the first isolation side plate, the upper end of the first supporting plate is pivoted with the first isolation side plate, the first positioning grooves are arranged on the first horizontal bottom plate, and the lower end of the first supporting plate is clamped and connected with the first positioning grooves when the first supporting mechanism is used; the second insulation baffle is provided with a second supporting mechanism to prevent the second insulation baffle from toppling over, the second supporting mechanism comprises a second supporting seat, a second supporting plate and a plurality of second positioning grooves, the second supporting seat is arranged on the second isolation side plate, the upper end of the second supporting plate is pivoted with the second isolation side plate, the second positioning grooves are arranged on the second horizontal bottom plate, and the lower end of the second supporting plate is clamped with the second positioning grooves during use.
Preferably, the first horizontal base plate is provided with a plurality of through holes, and correspondingly, the first connecting arm is provided with a connecting hole matched with the through hole on the first horizontal base plate, so that the first horizontal base plate is in pin joint with the first connecting arm; the second horizontal bottom plate is provided with a plurality of through holes, and correspondingly, the second connecting arm is provided with a connecting hole matched with the through hole on the second horizontal bottom plate so as to lead the second horizontal bottom plate to be in pin joint with the first connecting arm.
Preferably, the first connecting arm and the second connecting arm are S-shaped, the first connecting arm and the second connecting arm are symmetrically arranged, the pivoted positions of the first connecting arm and the second connecting arm are respectively provided with an annular protruding part, and the through holes of the two protruding parts are opposite to each other, so that the first connecting arm and the second connecting arm are connected through the pivot rod.
Preferably, the first connecting arm and the second connecting arm are respectively provided with a spring connecting column, and two ends of the reset spring are respectively sleeved with the spring connecting columns on the first connecting arm and the second connecting arm.
Preferably, the first strip-shaped handle and the second strip-shaped handle are provided with anti-slip lines to prevent slipping during gripping.
Preferably, the material of the insulating partition mechanism is epoxy resin.
Has the advantages that: the utility model discloses a 10kV live working multifunctional insulation device, which comprises an insulation partition mechanism and a reset mechanism, wherein the insulation partition mechanism is connected with the reset mechanism, and a through hole is arranged at the middle position of the insulation partition mechanism so as to facilitate the passing of a live device; the insulation partition plate mechanism comprises a first insulation partition plate and a second insulation partition plate, the first insulation partition plate and the second insulation partition plate are identical in structure, and the first insulation partition plate is lapped with the second insulation partition plate; the first insulating partition plate comprises a first strip-shaped handle, a first insulating side plate and a first horizontal bottom plate; the reset mechanism comprises a first connecting arm, a second connecting arm and a reset spring, the middle end of the first connecting arm is pivoted with the middle end of the second connecting arm, one end of the reset spring is fixedly connected with the first connecting arm, and the other end of the reset spring is fixedly connected with the second connecting arm. Taking the fuse on the middle electric wire as an example, when the fuse protector is used, the first isolation side plate and the second isolation side plate respectively isolate two adjacent phases electrically, and the through hole in the middle of the insulating partition plate mechanism clamps the upper half part of the fuse protector for operation. A large number of insulation protection measures are not needed, the operation flow is simplified, and the operation efficiency and safety are improved.
Drawings
Fig. 1 is a schematic structural view of the 10kV live working multifunctional insulating device of the present invention at a preferred angle in an open state.
Fig. 2 is a schematic structural view of another preferred angle of the 10kV live working multifunctional insulating device of the present invention in an open state.
Fig. 3 is the utility model discloses a 10kV live working multifunctional insulation device's operating condition's plan view.
Fig. 4 is a perspective view of the working state of the multifunctional insulation device for 10kV live working of the present invention.
Fig. 5 is the structural schematic diagram of the folding state of the multifunctional insulation device for 10kV live working of the present invention.
In the figure: the multifunctional insulating device 10 for 10kV live working, the insulating partition mechanism 20, the first insulating partition 201, the first bar-shaped handle 2011, the first insulating side plate 2012, the first horizontal bottom plate 2013, the first supporting mechanism 2014, the first supporting seat 20141, the first supporting plate 20142, the first positioning groove 20143, the second insulating partition 202, the second bar-shaped handle 2021, the second insulating side plate 2022, the second horizontal bottom plate 2023, the second supporting mechanism 2024, the second supporting seat 20241, the second supporting plate 20242, the second positioning groove 20243, the U-shaped groove 203, the resetting mechanism 30, the first connecting arm 301, the second connecting arm 302 and the resetting spring 303.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 5, a 10kV live working multifunctional insulating device 10 includes an insulating partition mechanism 20 and a resetting mechanism 30, wherein the insulating partition mechanism 20 is connected with the resetting mechanism 30, and a through hole is formed in the middle of the insulating partition mechanism 20 so as to allow a charged body to pass through; the insulating partition plate mechanism 20 comprises a first insulating partition plate 201 and a second insulating partition plate 202, the first insulating partition plate 201 and the second insulating partition plate 202 are identical in structure, the first insulating partition plate 201 is overlapped with the second insulating partition plate 202, the first insulating partition plate 201 comprises a first bar-shaped handle 2011, a first insulating side plate 2012 and a first horizontal bottom plate 2013, one end of the first bar-shaped handle 2011 is fixedly connected with one end of the first insulating side plate 2012, the lower end of the first insulating side plate 2012 is connected with one end of the first horizontal bottom plate 2013, and the other end of the first horizontal bottom plate 2013 is fixedly connected with one end of the resetting mechanism 30; the second insulating partition 202 comprises a second bar-shaped handle 2021, a second isolating side plate 2022 and a second horizontal bottom plate 2023, one end of the second bar-shaped handle 2021 is fixedly connected with one end of the second isolating side plate 2022, the lower end of the second isolating side plate 2022 is connected with one end of the second horizontal bottom plate 2023, and the other end of the second horizontal bottom plate 2023 is fixedly connected with one end of the resetting mechanism 30; the first horizontal bottom plate 2013 and the second horizontal bottom plate 2023 are partially overlapped, a U-shaped groove 203 is respectively arranged at the adjacent positions of the first horizontal bottom plate 2013 and the second horizontal bottom plate 2023, and the U-shaped groove 203 on the first horizontal bottom plate 2013 and the U-shaped groove 203 on the second horizontal bottom plate 2023 are jointly formed into a through hole at the middle position of the insulating partition mechanism 20; the reset mechanism 30 comprises a first connecting arm 301, a second connecting arm 302 and a reset spring 303, wherein the middle end of the first connecting arm 301 is pivoted with the middle end of the second connecting arm 302, one end of the reset spring 303 is fixedly connected with the first connecting arm 301, and the other end of the reset spring 303 is fixedly connected with the second connecting arm 302; one end of the first connecting arm 301 is further connected to the first horizontal base plate 2013, and one end of the second connecting arm 302 is further connected to the second horizontal base plate 2023, so as to control the opening and closing of the first insulating spacer 201 and the second insulating spacer 202 through a bar-shaped handle.
Further, the first insulating partition 201 is pivotally connected to the first horizontal bottom plate 2013, and the second insulating partition 202 is pivotally connected to the second horizontal bottom plate 2023.
Further, a first supporting mechanism 2014 is arranged on the first insulating partition 201 to prevent the first insulating partition 201 from toppling over, the first supporting mechanism 2014 includes a first supporting seat 20141, a first supporting plate 20142 and a plurality of first positioning grooves 20143, the first supporting seat 20141 is arranged on the first isolating side plate 2012, the upper end of the first supporting plate 20142 is pivoted with the first isolating side plate 2012, the first positioning groove 20143 is arranged on the first horizontal bottom plate 2013, and when the first insulating partition 201 is used, the lower end of the first supporting plate 20142 is connected with the first positioning groove 20143 in a clamping manner; the second insulating partition 202 is provided with a second supporting mechanism 2024 to prevent the second insulating partition 202 from toppling over, the second supporting mechanism 2024 includes a second supporting seat 20241, a second supporting plate 20242 and a plurality of second positioning grooves 20243, the second supporting seat 20241 is disposed on the second insulating side plate 2022, the upper end of the second supporting plate 20242 is pivotally connected to the second insulating side plate 2022, the second positioning grooves 20243 are disposed on the second horizontal bottom plate 2023, and when the second insulating partition 202 is used, the lower end of the second supporting plate 20242 is connected to the second positioning grooves 20243 in a clamping manner.
Further, a plurality of through holes are formed in the first horizontal base plate 2013, and correspondingly, connecting holes matched with the through holes in the first horizontal base plate 2013 are formed in the first connecting arm 301, so that the first horizontal base plate 2013 is connected with the first connecting arm 301 in a pin mode; the second horizontal bottom plate 2023 is provided with a plurality of through holes, and correspondingly, the second connecting arm 302 is provided with a connecting hole matched with the through hole on the second horizontal bottom plate 2023, so that the second horizontal bottom plate 2023 is pin-connected with the first connecting arm 301.
Further, the first connecting arm 301 and the second connecting arm 302 are S-shaped, the first connecting arm 301 and the second connecting arm 302 are symmetrically arranged, the pivoted positions of the first connecting arm 301 and the second connecting arm 302 are respectively provided with an annular protruding portion, and the through holes of the two protruding portions are opposite to each other, so that the first connecting arm 301 and the second connecting arm 302 are connected through the pivot rod.
Furthermore, the first connecting arm 301 and the second connecting arm 302 are respectively provided with a spring connecting column, and two ends of the reset spring 303 are respectively sleeved with the spring connecting columns on the first connecting arm 301 and the second connecting arm 302.
Furthermore, the first bar-shaped handle 2011 and the second bar-shaped handle 2021 are provided with anti-slip threads to prevent slipping during grasping.
Further, the material of the insulating partition mechanism 20 is epoxy resin.
In a preferred embodiment, taking the replacement of the insulator on the three-phase electric intermediate circuit as an example, the utility model discloses a 10kV live working multifunctional insulating device 10 is when using, first both hands grasp first bar handle 2011 and second bar handle 2021, and both hands exert force to make first horizontal bottom plate 2013 and second horizontal bottom plate 2023 separate. The U-shaped slots 203 in the first and second horizontal bases 2013, 2023 are then aligned with the upper ends of the insulators to hold the insulators in place. The first and second isolation side plates 2012 and 2022 are erected to electrically isolate the work area from the adjacent two phases. Thus, the upper end of the insulator is detached. Thereafter, the first insulating side plate 2012 and the second insulating side plate 2022 are opened outward, so that the first insulating side plate 2012 and the second insulating side plate 2022 naturally hang downward in the air. Thus, the lower end of the insulator is detached. Because the middle end of the insulator is connected with the cross arm through the hoop, the insulator cannot fall off after the insulator is separated from the original pieces at the upper end and the lower end. Finally, the first horizontal bottom plate 2013 and the second horizontal bottom plate 2023 are opened through the first strip-shaped handle 2011 and the second strip-shaped handle 2021, and the insulator is completely removed.
When the insulator of change both sides circuit, can outwards open the isolation curb plate of keeping away from electric wire one side, so, electric power maintenance personnel's operation region can obtain the extension, has made things convenient for personnel's operation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a multi-functional insulating device of 10kV live working which characterized in that: the device comprises an insulation partition plate mechanism and a reset mechanism, wherein the insulation partition plate mechanism is connected with the reset mechanism, and a through hole is formed in the middle of the insulation partition plate mechanism so as to facilitate a live device to pass through; the insulation partition plate mechanism comprises a first insulation partition plate and a second insulation partition plate, the first insulation partition plate and the second insulation partition plate are identical in structure, the first insulation partition plate is in lap joint with the second insulation partition plate, the first insulation partition plate comprises a first bar-shaped handle, a first insulation side plate and a first horizontal bottom plate, one end of the first bar-shaped handle is fixedly connected with one end of the first insulation side plate, the lower end of the first insulation side plate is connected with one end of the first horizontal bottom plate, and the other end of the first horizontal bottom plate is fixedly connected with one end of the resetting mechanism; the second insulating partition plate comprises a second strip-shaped handle, a second isolating side plate and a second horizontal bottom plate, one end of the second strip-shaped handle is fixedly connected with one end of the second isolating side plate, the lower end of the second isolating side plate is connected with one end of the second horizontal bottom plate, and the other end of the second horizontal bottom plate is fixedly connected with one end of the resetting mechanism; the first horizontal bottom plate and the second horizontal bottom plate are partially overlapped, a U-shaped groove is respectively arranged at the adjacent positions of the first horizontal bottom plate and the second horizontal bottom plate, and the U-shaped groove on the first horizontal bottom plate and the U-shaped groove on the second horizontal bottom plate jointly form a through hole at the middle position of the insulating partition plate mechanism; the reset mechanism comprises a first connecting arm, a second connecting arm and a reset spring, wherein the middle end of the first connecting arm is pivoted with the middle end of the second connecting arm, one end of the reset spring is fixedly connected with the first connecting arm, and the other end of the reset spring is fixedly connected with the second connecting arm; one end of the first connecting arm is further connected with the first horizontal bottom plate, and one end of the second connecting arm is further connected with the second horizontal bottom plate so as to control the opening and closing of the first insulating partition plate and the second insulating partition plate through the strip-shaped handle.
2. The multifunctional 10kV live-working insulation device according to claim 1, characterized in that: the first insulating partition board is pivoted with the first horizontal bottom board, and the second insulating partition board is pivoted with the second horizontal bottom board.
3. The multifunctional 10kV live-working insulation device according to claim 1, characterized in that: the first insulation partition plate is provided with a first supporting mechanism to prevent the first insulation partition plate from toppling over, the first supporting mechanism comprises a first supporting seat, a first supporting plate and a plurality of first positioning grooves, the first supporting seat is arranged on the first isolation side plate, the upper end of the first supporting plate is pivoted with the first isolation side plate, the first positioning grooves are arranged on the first horizontal bottom plate, and when the first insulation partition plate is used, the lower end of the first supporting plate is connected with the first positioning grooves in a clamping manner; the second insulation baffle is provided with a second supporting mechanism to prevent the second insulation baffle from toppling over, the second supporting mechanism comprises a second supporting seat, a second supporting plate and a plurality of second positioning grooves, the second supporting seat is arranged on the second isolation side plate, the upper end of the second supporting plate is pivoted with the second isolation side plate, the second positioning grooves are arranged on the second horizontal bottom plate, and the lower end of the second supporting plate is clamped with the second positioning grooves during use.
4. The multifunctional 10kV live-working insulation device according to claim 3, characterized in that: the first horizontal base plate is provided with a plurality of through holes, and correspondingly, the first connecting arm is provided with a connecting hole matched with the through hole on the first horizontal base plate so as to lead the first horizontal base plate to be in pin joint with the first connecting arm; the second horizontal bottom plate is provided with a plurality of through holes, and correspondingly, the second connecting arm is provided with a connecting hole matched with the through hole on the second horizontal bottom plate so as to lead the second horizontal bottom plate to be in pin joint with the first connecting arm.
5. The multifunctional 10kV live-working insulation device according to claim 1, characterized in that: the first connecting arm and the second connecting arm are S-shaped, the first connecting arm and the second connecting arm are symmetrically arranged, the pivoted positions of the first connecting arm and the second connecting arm are respectively provided with an annular protruding part, and the through holes of the two protruding parts are opposite to each other, so that the first connecting arm and the second connecting arm are connected through the pivot rod.
6. The multifunctional 10kV live-working insulation device according to claim 1, characterized in that: and the two ends of the reset spring are respectively sleeved with the spring connecting columns on the first connecting arm and the second connecting arm.
7. The multifunctional 10kV live-working insulation device according to claim 1, characterized in that: and the first strip-shaped handle and the second strip-shaped handle are provided with anti-skidding lines to prevent skidding during gripping.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922362227.1U CN211790420U (en) | 2019-12-25 | 2019-12-25 | 10kV live working multifunctional insulation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922362227.1U CN211790420U (en) | 2019-12-25 | 2019-12-25 | 10kV live working multifunctional insulation device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211790420U true CN211790420U (en) | 2020-10-27 |
Family
ID=72979241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922362227.1U Expired - Fee Related CN211790420U (en) | 2019-12-25 | 2019-12-25 | 10kV live working multifunctional insulation device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211790420U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110970831A (en) * | 2019-12-25 | 2020-04-07 | 国网宁夏电力有限公司银川供电公司 | 10kV live working multifunctional insulation device |
CN115632328A (en) * | 2022-10-18 | 2023-01-20 | 国网黑龙江省电力有限公司牡丹江供电公司 | Pull type lead isolation device for replacing falling fuse |
-
2019
- 2019-12-25 CN CN201922362227.1U patent/CN211790420U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110970831A (en) * | 2019-12-25 | 2020-04-07 | 国网宁夏电力有限公司银川供电公司 | 10kV live working multifunctional insulation device |
CN115632328A (en) * | 2022-10-18 | 2023-01-20 | 国网黑龙江省电力有限公司牡丹江供电公司 | Pull type lead isolation device for replacing falling fuse |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211790420U (en) | 10kV live working multifunctional insulation device | |
CN201408938Y (en) | Insulated shielding cover of 10kV fuse | |
CN201408940Y (en) | Insulated shielding cover external member for 10 kV columnar isolator | |
CN111541066B (en) | A retractable portable multifunctional grounding wire | |
CN105572549A (en) | Multifunctional insulation instrument withstand voltage test apparatus and test method | |
CN110492372A (en) | A kind of charged for replacement special insulation barrier for drop-out fuse protector | |
CN201327509Y (en) | High-voltage transmission line parameter measuring device and system thereof | |
CN201340985Y (en) | Insulated lead wire fixer | |
CN110970831A (en) | 10kV live working multifunctional insulation device | |
CN204189687U (en) | High-tension line spring assist isolating switch | |
CN203260950U (en) | 10kV power distribution rack live-replacement drop-out type fuse device | |
CN205751981U (en) | High voltage knife switch insulation device | |
CN203932760U (en) | Isolating switch insulating barrier on a kind of post | |
CN205159850U (en) | A multifunctional hybrid mobile waterproof power box | |
CN206976938U (en) | A kind of insulation barrier structure to isolated insulation | |
CN207165780U (en) | A kind of Power System Intelligent arc-extinguishing grounding device | |
CN205911183U (en) | Air switch safety device | |
CN205791339U (en) | Box and erecting device thereof are protected in a kind of high-tension distribution equipment livewire work insulation | |
CN210779509U (en) | Low-voltage side switch insulation baffle plate of box-type substation | |
CN203826310U (en) | Leakage circuit breaker | |
CN209496774U (en) | Detachable disconnecting switch | |
CN205753179U (en) | A kind of insulating boot for surge arrester support | |
CN205845807U (en) | A kind of knife-like switch contact head and knife-like switch | |
CN205921284U (en) | 12kV voltage transformer handcart | |
CN206180416U (en) | Cubical switchboard convenient to arrangement and business turn over line |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20211225 |
|
CF01 | Termination of patent right due to non-payment of annual fee |