CN116818182A - Inspection device is used in production of high-voltage vacuum circuit breaker - Google Patents
Inspection device is used in production of high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN116818182A CN116818182A CN202310822256.XA CN202310822256A CN116818182A CN 116818182 A CN116818182 A CN 116818182A CN 202310822256 A CN202310822256 A CN 202310822256A CN 116818182 A CN116818182 A CN 116818182A
- Authority
- CN
- China
- Prior art keywords
- wire
- fixedly connected
- circuit breaker
- plate
- vacuum circuit
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000007689 inspection Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 54
- 238000004804 winding Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a checking device for production of a high-voltage vacuum circuit breaker, and relates to the technical field of production of electrical equipment. The inspection device for the production of the high-voltage vacuum circuit breaker comprises a wire placing device. This verifying attachment is used in high-pressure vacuum circuit breaker production utilizes the elastic rope to control the interval of vacuum interrupter and bottom plate through the wire and puts the device, guarantee the safe distance that detects, the apron is closed, guarantee the leakproofness in wire division groove, rotate apron, the sideboard, be convenient for place and the arranging of wire, simple structure, the wire articulates in proper order on lifting the hole, the wire is difficult to be confused, can neatly arrange, the apron, the sideboard covers the wire division groove completely, avoid the dust to get into the wire division groove, whole device simple structure, can be in the same place the accessory integration that is used for detecting the vacuum degree of vacuum interrupter, make it neatly arrange and accomodate, and can receive into the standing groove of travelling bogie, save space, convenient to use.
Description
Technical Field
The invention relates to the technical field of production of electrical equipment, in particular to a testing device for production of a high-voltage vacuum circuit breaker.
Background
The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no maintenance in arc extinguishing, and is more popular in power distribution networks.
In the production process of the vacuum circuit breaker, the vacuum degree of the vacuum arc-extinguishing chamber needs to be detected, if the vacuum degree of the vacuum arc-extinguishing chamber does not meet the standard, the vacuum degree of the vacuum arc-extinguishing chamber is reduced in the use process, so that the circuit breaker cannot extinguish the arc, and the safe operation of a unit is affected.
When vacuum detection is performed on a vacuum interrupter, various detection connection devices and insulation devices are required, the devices are scattered, wires are scattered, and storage and use are inconvenient.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the inspection device for the production of the high-voltage vacuum circuit breaker, which is convenient for accommodating and using various wires, and has the advantages of regular placement and small occupied space.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the inspection device for the production of the high-voltage vacuum circuit breaker comprises a transportation trolley, wherein a vacuum arc-extinguishing chamber is arranged on the upper surface of the transportation trolley, a placing groove is formed in the right side of the transportation trolley, and a wire placing device is fixedly connected to the bottom of the placing groove;
the wire placing device comprises:
a wire placing mechanism which is of a plate-like structure and can place and pick wires;
an insulating plate;
the clamping mechanism can elastically deform under the action of pressure, but can quickly recover when the pressure disappears;
the rotating mechanism is provided with a rotating structure, the rotating mechanism can seal the wire placing mechanism when being closed, and after being opened, the rotating mechanism can arrange wires neatly.
Preferably, the top of wire placing mechanism and rotary mechanism's bottom fixed connection, wire placing mechanism's top fixedly connected with insulation board, joint mechanism and rotary mechanism joint, the top of insulation board is provided with the vacuum tester.
Preferably, the wire placing mechanism comprises a bottom plate, the top fixedly connected with of bottom plate left end places the box, rectangular channel has been seted up on the upper portion of placing box and bottom plate, the front of placing the box runs through and has seted up the semicircle orifice, the groove has been seted up at the top of placing the box, the inner wall fixedly connected with elasticity rope in rectangular channel, the inside of bottom plate is passed and with the inside sliding connection of bottom plate to the one end of elasticity rope, the top fixedly connected with winding rod in rectangular channel, the wire division groove has been seted up at the top of bottom plate.
Preferably, the clamping mechanism comprises side plates, the bottoms of the side plates are fixedly connected with the top of the placement box, the two side plates are fixedly connected with springs, the two side plates are close to each other, the two springs are fixedly connected with elastic soft plates, and the two ends of the springs close to each other are fixedly connected with elastic soft plates.
Preferably, the rotating mechanism comprises a cover plate, the right side fixedly connected with sideboard of cover plate, the edge of sideboard runs through and has seted up and lifts the hole, one side fixedly connected with connecting plate of sideboard is kept away from to the cover plate, one side fixedly connected with bull stick of sideboard is kept away from to the connecting plate, the left side fixedly connected with clamping lever of connecting plate, the both ends rotation of bull stick are connected with the rotary drum.
Preferably, the elastic rope can be wound on the winding rod, so that the length of the elastic rope between the winding rod and the vacuum arc-extinguishing chamber is controlled.
Preferably, the distance between the tops of the two elastic soft plates is smaller than the diameter of the clamping rod, the elastic soft plates can deform under the action of pressure, and the clamping rod falls down from between the elastic soft plates.
The invention provides a checking device for production of a high-voltage vacuum circuit breaker. The beneficial effects are as follows:
(1) This verifying attachment is used in high-pressure vacuum circuit breaker production utilizes the elastic rope to control the interval of vacuum interrupter and bottom plate through the wire device of putting, guarantees the safe distance that detects, and the apron is closed, guarantees the leakproofness that the wire divides the groove of putting, rotates apron, sideboard, and the wire of being convenient for is placed and is arranged, simple structure, facilitate the use.
(2) This verifying attachment is used in high-pressure vacuum circuit breaker production, through wire placing mechanism, twine the elastic rope on the pole, at the in-process of bottom plate motion, the elastic rope constantly pulls out from the rectangle groove for the distance of elastic rope to vacuum interrupter is not less than selected length, when vacuum degree detects, guarantees that the staff keeps away from vacuum interrupter and is at a safe distance, and after the use, put the device with the wire and push into the standing groove, save space.
(3) This verifying attachment is used in high-pressure vacuum circuit breaker production, through joint mechanism, the pole is close and extrudees the elastic soft board, and the elastic soft board takes place deformation along with the extrusion, and spring compression, the draw-in lever slide along the cambered surface of elastic soft board, and the draw-in lever slides down from the clearance of two elastic soft boards, and the self of elastic soft board resumes speed slower, but the spring can bring the elastic soft board to resume fast, and the clearance of two elastic soft boards after the recovery is less than the diameter of draw-in lever far away, prevents that the draw-in lever from shifting out from between the elastic soft board.
(4) This verifying attachment is used in high-pressure vacuum circuit breaker production, through slewing mechanism, with these wires in proper order articulate on lifting the hole, the wire is difficult to chaotic, can neatly arrange, and apron, sideboard are put the wire and are put the groove and cover completely, avoid the dust to get into the wire and put the groove, and whole device simple structure can be in the same place the accessory integration that is used for detecting vacuum interrupter's vacuum degree, makes it neatly arrange and accomodate, and can receive into the standing groove of travelling bogie, saves space, convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the vacuum tester and the wire placing device of the present invention when closed;
FIG. 3 is a schematic view showing a vacuum tester of the present invention placed on a wire placing device;
FIG. 4 is a front view of FIG. three;
FIG. 5 is a schematic view of the vacuum tester and the wire placement device of the present invention when opened;
FIG. 6 is an exploded view of the wire placement device of the present invention;
FIG. 7 is a schematic view of a wire placement mechanism according to the present invention;
FIG. 8 is an exploded view of the snap-fit mechanism of the present invention;
fig. 9 is an exploded view of the rotary mechanism of the present invention.
In the figure: 1. vacuum interrupter, 2. Carriage, 3. Placement slot, 4. Wire placement device, 41, wire placement mechanism, 411, base plate, 412, placement box, 413, rectangular slot, 414, semicircle hole, 415, slot, 416, elastic rope, 417, winding rod, 418, wire placement slot, 42, insulation plate, 43, clamping mechanism, 431, first side plate, 432, spring, 433, elastic soft plate, 44, rotation mechanism, 441, cover plate, 442, second side plate, 443, lifting hole, 444, connecting plate, 445, rotating rod, 446, clamping rod, 447, rotary drum, 5, vacuum tester.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a high-voltage vacuum circuit breaker production is with verifying attachment, includes travelling bogie 2, and vacuum interrupter 1 has been placed to travelling bogie 2's upper surface, and standing groove 3 has been seted up on travelling bogie 2's right side, and the bottom of standing groove 3 fixedly connected with wire puts device 4;
the wire placing device 4 includes:
the wire placing mechanism 41, this wire placing mechanism 41 is platelike structure, wire placing mechanism 41 can be because getting and putting the wire, wire placing mechanism 41 includes bottom plate 411, the top fixedly connected with of bottom plate 411 left end places box 412, rectangular channel 413 has been seted up on the upper portion of placing box 412 and bottom plate 411, semicircular hole 414 has been seted up in the front of placing box 412, slot 415 has been seted up at the top of placing box 412, the inner wall fixedly connected with elastic rope 416 of rectangular channel 413, the inside of bottom plate 411 is passed to one end of elastic rope 416 and with the inside sliding connection of bottom plate 411, the top fixedly connected with winding rod 417 of rectangular channel 413, wire division groove 418 has been seted up at the top of bottom plate 411, elastic rope 416 can twine on winding rod 417, thereby control winding rod 417, the length of elastic rope 416 between the vacuum interrupter 1.
When the device is used, the bottom plate 411 is pulled by hand, the whole wire placing device 4 is pulled out of the placing groove 3, the number is marked on the elastic rope 416, the proper length is selected, then the elastic rope 416 is wound on the winding rod 417, in the process of moving the bottom plate 411, the elastic rope 416 is continuously pulled out of the rectangular groove 413, the distance from the elastic rope 416 to the vacuum arc-extinguishing chamber is not smaller than the selected length, when the vacuum degree is detected, the worker is ensured to be far away from the vacuum arc-extinguishing chamber 1 and to be at a safe distance, and after the use, the wire placing device 4 is pushed into the placing groove 3, so that the space is saved.
Referring to fig. 7-9, the present invention provides a technical solution: an inspection device for high-voltage vacuum circuit breaker production comprises an insulating plate 42;
the clamping mechanism 43, the clamping mechanism 43 can elastically deform under the action of pressure, but when the pressure disappears, the clamping mechanism 43 can quickly recover, the clamping mechanism 43 comprises two first side plates 431, the bottom of each first side plate 431 is fixedly connected with the top of the corresponding placement box 412, two first side plates 431 are fixedly connected with springs 432 on the sides, close to each other, of the two first side plates 431, two springs 432 are fixedly connected with elastic soft plates 433 on the ends, close to each other, of the two springs 432, the distance between the tops of the two elastic soft plates 433 is smaller than the diameter of a clamping rod 446, the elastic soft plates 433 can deform under the action of the pressure, and the clamping rod 446 falls from the space between the elastic soft plates 433;
the rotating mechanism 44, this rotating mechanism 44 has rotating structure, can seal wire placement mechanism 41 when rotating mechanism 44 is closed, after opening, rotating mechanism 44 can neatly arrange the wire, rotating mechanism 44 includes apron 441, the right side fixedly connected with second sideboard 442 of apron 441, the edge of second sideboard 442 runs through and has seted up and lifts hole 443, one side fixedly connected with connecting plate 444 of apron 441 keeping away from second sideboard 442, one side fixedly connected with bull stick 445 of connecting plate 444 keeping away from second sideboard 442, the left side fixedly connected with clamping rod 446 of connecting plate 444, the both ends rotation of bull stick 445 are connected with rotary drum 447.
When the vacuum degree tester is used, a finger props against the lifting hole 443 and lifts the second side plate 442 in the anticlockwise direction, the second side plate 442 sequentially carries the cover plate 441, the connecting plate 444, the rotating rod 445 and the clamping rod 446 to rotate, the clamping rod is finally changed into a horizontal state from a vertical state, in the rotating process, the clamping rod 446 approaches and presses the elastic soft plates 433, the parts, in contact with the clamping rod 446, of the elastic soft plates 433 deform along with the pressing, the springs 432 compress, the clamping rod 446 slides along the cambered surfaces of the elastic soft plates 433, the clamping rod 446 slides down from the gaps of the two elastic soft plates 433, the self recovery speed of the elastic soft plates 433 is slower, the springs 432 can quickly recover with the elastic soft plates 433, the gap between the recovered two elastic soft plates 433 is far smaller than the diameter of the clamping rod 446, the clamping rod 446 is prevented from moving out from the elastic soft plates 433, and then the vacuum degree tester 5 is placed on the insulating plate 42.
Referring to fig. 1-9, the present invention provides a technical solution: when the inspection device for high-voltage vacuum circuit breaker production is used, wires in the wire separation groove 418 are sequentially inserted into the jacks of the vacuum degree tester 5, the wires are sequentially hung on the lifting holes 443, the wires are not easy to be confused and can be orderly arranged, after the use is finished, the wires can be placed into the wire separation groove 418, the cover plate 441 and the second side plate 442 are rotated, the cover plate 441 just covers the insulating plate 42, the second side plate 442 can cover the side surface of the wire separation groove 418, so that the wire separation groove 418 is completely shielded, dust is prevented from entering the wire separation groove 418, the whole device has a simple structure, accessories for detecting the vacuum degree of the vacuum arc extinguishing chamber 1 can be integrated together, the accessories can be orderly arranged and stored, and the accessories can be retracted into the storage groove of the transport trolley 2, so that the space is saved, and the use is convenient.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a verifying attachment is used in production of high pressure vacuum circuit breaker, includes travelling bogie (2), vacuum interrupter (1) have been placed to the upper surface of travelling bogie (2), standing groove (3), its characterized in that have been seted up on the right side of travelling bogie (2): the bottom of the placing groove (3) is fixedly connected with a wire placing device (4);
the wire placing device (4) includes:
a wire placing mechanism (41), the wire placing mechanism (41) being of a plate-like structure, the wire placing mechanism (41) being capable of placing a wire by taking and placing the wire;
an insulating plate (42);
the clamping mechanism (43) can elastically deform under the action of pressure, and when the pressure disappears, the clamping mechanism (43) can quickly recover;
the rotating mechanism (44) is provided with a rotating structure, the rotating mechanism (44) can seal the wire placing mechanism (41) when being closed, and after the rotating mechanism (44) is opened, wires can be orderly arranged.
2. The inspection device for high voltage vacuum circuit breaker production according to claim 1, wherein: the top of wire placing mechanism (41) is fixedly connected with the bottom of slewing mechanism (44), the top fixedly connected with insulation board (42) of wire placing mechanism (41), joint mechanism (43) and slewing mechanism (44) joint, the top of insulation board (42) is provided with vacuum tester (5).
3. The inspection device for high voltage vacuum circuit breaker production according to claim 1, wherein: wire placing mechanism (41) includes bottom plate (411), box (412) are placed to top fixedly connected with of bottom plate (411) left end, rectangular channel (413) have been seted up on the upper portion of placing box (412) and bottom plate (411), semicircular hole (414) have been seted up in the front of placing box (412), slot (415) have been seted up at the top of placing box (412), the inner wall fixedly connected with elasticity rope (416) in rectangular channel (413), the inside and the inside sliding connection with bottom plate (411) of elasticity rope (416) are passed to the one end, the top fixedly connected with winding rod (417) in rectangular channel (413), wire division groove (418) have been seted up at the top of bottom plate (411).
4. The inspection device for high voltage vacuum circuit breaker production according to claim 1, wherein: the clamping mechanism (43) comprises a first side plate (431), the bottom of the first side plate (431) is fixedly connected with the top of the placement box (412), the first side plate (431) is two in total, springs (432) are fixedly connected to one side, close to the first side plate (431), of the two side plates, springs (432) are two in total, and elastic soft plates (433) are fixedly connected to one end, close to the springs (432), of the two side plates.
5. The inspection device for high voltage vacuum circuit breaker production according to claim 1, wherein: the rotating mechanism (44) comprises a cover plate (441), a second side plate (442) is fixedly connected to the right side of the cover plate (441), a lifting hole (443) is formed in the edge of the second side plate (442) in a penetrating mode, a connecting plate (444) is fixedly connected to one side, away from the second side plate (442), of the cover plate (441), a rotating rod (445) is fixedly connected to one side, away from the second side plate (442), of the connecting plate (444), a clamping rod (446) is fixedly connected to the left side of the connecting plate (444), and rotating drums (447) are connected to the two ends of the rotating rod (445) in a rotating mode.
6. A high voltage vacuum circuit breaker production inspection device according to claim 3, characterized in that: the elastic rope (416) can be wound on the winding rod (417), so that the length of the elastic rope (416) between the winding rod (417) and the vacuum arc extinguishing chamber (1) is controlled.
7. The inspection device for high voltage vacuum circuit breaker production according to claim 4, wherein: the distance between the tops of the two elastic soft plates (433) is smaller than the diameter of the clamping rod (446), the elastic soft plates (433) can deform under the action of pressure, and the clamping rod (446) falls down from between the elastic soft plates (433).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310822256.XA CN116818182B (en) | 2023-07-06 | 2023-07-06 | Inspection device is used in production of high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310822256.XA CN116818182B (en) | 2023-07-06 | 2023-07-06 | Inspection device is used in production of high-voltage vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116818182A true CN116818182A (en) | 2023-09-29 |
| CN116818182B CN116818182B (en) | 2024-09-13 |
Family
ID=88127368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310822256.XA Active CN116818182B (en) | 2023-07-06 | 2023-07-06 | Inspection device is used in production of high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116818182B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04132131A (en) * | 1990-09-21 | 1992-05-06 | Hitachi Ltd | Vacuum pressure measuring device for vacuum circuit breaker vacuum bulb |
| JP2012216325A (en) * | 2011-03-31 | 2012-11-08 | Chugoku Electric Power Co Inc:The | Tank type vacuum circuit breaker |
| CN214843784U (en) * | 2021-03-24 | 2021-11-23 | 人民电器集团上海有限公司 | Vacuum degree on-line monitoring device of high-voltage vacuum circuit breaker |
| CN113916426A (en) * | 2021-09-01 | 2022-01-11 | 保定德优电气设备制造有限公司 | Detection apparatus for plum blossom contact touches finger contact pressure |
| CN115235667A (en) * | 2022-06-15 | 2022-10-25 | 河南平高电气股份有限公司 | Device is examined to GIS circuit breaker explosion chamber dress |
-
2023
- 2023-07-06 CN CN202310822256.XA patent/CN116818182B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04132131A (en) * | 1990-09-21 | 1992-05-06 | Hitachi Ltd | Vacuum pressure measuring device for vacuum circuit breaker vacuum bulb |
| JP2012216325A (en) * | 2011-03-31 | 2012-11-08 | Chugoku Electric Power Co Inc:The | Tank type vacuum circuit breaker |
| CN214843784U (en) * | 2021-03-24 | 2021-11-23 | 人民电器集团上海有限公司 | Vacuum degree on-line monitoring device of high-voltage vacuum circuit breaker |
| CN113916426A (en) * | 2021-09-01 | 2022-01-11 | 保定德优电气设备制造有限公司 | Detection apparatus for plum blossom contact touches finger contact pressure |
| CN115235667A (en) * | 2022-06-15 | 2022-10-25 | 河南平高电气股份有限公司 | Device is examined to GIS circuit breaker explosion chamber dress |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116818182B (en) | 2024-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106025127B (en) | Mobile power supply device | |
| CN116818182B (en) | Inspection device is used in production of high-voltage vacuum circuit breaker | |
| CN207301247U (en) | A kind of safety-type GIS/GIL partial discharge monitorings equipment | |
| CN214673642U (en) | Safety protection structure of low-voltage switch cabinet | |
| CN112788901B (en) | Electrical control cabinet and method | |
| CN109243909A (en) | A kind of gas-insulated vacuum load switch | |
| CN103701047B (en) | A kind of rack inside door is installed the structure of panel switches | |
| CN210693069U (en) | Outdoor high-voltage power distribution cabinet with high sealing performance | |
| CN203616352U (en) | Safety protection device for high-voltage resistant test of electronic device and test system | |
| CN216648907U (en) | High voltage distribution cabinet-based outgoing line cabinet with locking function | |
| CN212255318U (en) | Portable heavy metal pollution detection device | |
| CN207528755U (en) | A kind of electric power detection device | |
| CN208622649U (en) | A kind of gas-insulated vacuum load switch | |
| CN212011704U (en) | High-voltage switch cabinet with internal illumination | |
| CN206301736U (en) | A kind of distribution Special magnetic switch | |
| CN209726728U (en) | A kind of bushing shell for transformer dehumidification device | |
| CN214795036U (en) | Electrical equipment fault diagnosis analysis display device | |
| CN218272497U (en) | Wiping line measuring device | |
| CN217717971U (en) | Instrument detection system for rapidly detecting cable breakpoint position | |
| CN220422181U (en) | High stability weak current intelligent control case | |
| CN214585882U (en) | Discharging equipment for circuit testing | |
| CN217561707U (en) | High-voltage withstand voltage machine calibrating device | |
| CN112164999A (en) | Movable safety operation high-low switch cabinet device | |
| CN219121790U (en) | Transformer oil sampling mechanism and device | |
| CN218663020U (en) | Sulfur hexafluoride strorage device for quantitative leak detector convenient to carry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |