CN112103826A - 10kV cubical switchboard isolation barrier opening tool - Google Patents
10kV cubical switchboard isolation barrier opening tool Download PDFInfo
- Publication number
- CN112103826A CN112103826A CN202010906653.1A CN202010906653A CN112103826A CN 112103826 A CN112103826 A CN 112103826A CN 202010906653 A CN202010906653 A CN 202010906653A CN 112103826 A CN112103826 A CN 112103826A
- Authority
- CN
- China
- Prior art keywords
- telescopic rod
- rod
- push plate
- push
- telescopic
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Trip Switchboards (AREA)
Abstract
The invention relates to the technical field of electric power tools, in particular to a 10kV switch cabinet isolation baffle opening tool which comprises a first push plate, a second push plate, a connecting piece, a push-pull piece and a pulley block, wherein the first push plate is connected with the second push plate through a connecting piece; the connecting piece comprises a fixed rod, a first connecting rod and a second connecting rod, elastic buckles are arranged on the first connecting rod and the second connecting rod, and a plurality of positioning holes are uniformly formed in the fixed rod; the first connecting rod and the second connecting rod are fixed in the positioning hole through elastic buckles respectively; the push-and-pull piece comprises an insulating handle and a telescopic loop bar, the telescopic loop bar comprises a first telescopic rod, a second telescopic rod and a third telescopic rod, the second telescopic rod stretches and slides in the first telescopic rod, the third telescopic rod stretches and slides in the second telescopic rod, and the bottom surfaces of the first telescopic rod, the second telescopic rod and the third telescopic rod are not circular. Can cover the 10kV cubical switchboard of different models, stability is good, and the atress is even, simple structure, and the installation of the instrument of being convenient for simultaneously is dismantled, is used and is accomodate.
Description
Technical Field
The invention relates to the technical field of electric power tools, in particular to a 10kV switch cabinet isolation baffle opening tool.
Background
The switch cabinet is an electrical device and mainly used for opening and closing, controlling and protecting the electrical device in the process of generating, transmitting, distributing and converting electric energy of an electric power system. The isolation baffle is required to be opened for nuclear phase, voltage withstand test, electricity test and the like which are carried out by the static contact in the 10kV switch cabinet, and the isolation baffle is driven by the isolation baffle mechanism in the switch cabinet. At present, the isolation baffle is jacked open by mainly adopting the insulating rod, and the isolation baffle is jacked through the insulating rod, so that the operation is very inconvenient. Based on this, patent CN110829254A provides an adjustable insulating baffle opening tool for an electric power switch cabinet, which includes an insulating rod, a threaded rod, a telescopic frame, side plates and a top plate, wherein the two ends of the telescopic frame are provided with the side plates, one side of the side plates is connected with the top plate, the lower ends of the side plates are connected with push wheels, the middle part of the telescopic frame is provided with a first connecting sleeve and a second connecting sleeve, the threaded rod is arranged in the first connecting sleeve and the second connecting sleeve, one end of the threaded rod is provided with a limiting block, the threaded rod is connected with a fixing nut and a limiting mechanism through threads, the limiting block and the fixing nut are respectively arranged on the two sides of the first connecting sleeve, the fixing nut is provided with a locking bolt connected with the threaded rod, the limiting mechanism is arranged on one side of the second connecting sleeve far away from the first connecting sleeve, one end of the threaded rod far away from the limiting block is connected with the insulating rod, although, the universality of use is improved, and due to the flexibility of the telescopic frame, the tool can be folded and stored after being used, so that the tool is convenient to carry, but the structure of the telescopic frame is complicated, the eight connecting rods are hinged, the stability is poor, and the stress of the isolation baffle is uneven; patent CN107732738A provides a general auxiliary tool for one-time nuclear phase of switch cabinet, which comprises a roller, an insulating block, a connecting rod, a push-pull structure, the two insulation blocks are arranged in parallel and are respectively vertically connected with two ends of the connecting rod, the lower part of the insulation block is provided with a rotating shaft, the roller is connected with the insulation block through the rotating shaft, the axis of the rotating shaft is arranged in parallel with the axis of the connecting rod component, the outer side of the upper part of each insulation block is connected with a machine pulley positioning block, the machine pulley is matched with the machine pulley positioning block, the axial position of the insulating block on the connecting rod can be adjusted, the push-pull structure is connected with the connecting rod in the axial middle position of the connecting rod, the adjustable position of guaranteeing the mechanism pulley locating piece is adjustable, realizes that the width between the instrument both sides opening top plate is adjustable in succession, and the installation of the instrument of being convenient for is dismantled, is used and is accomodate, portable and storage. The length of the connecting rod is adjusted through the limiting hole, the limiting pin and the locking screw, or the connecting rod is locked by the nut, the connecting structure is complex and easy to slip, and additional parts are required to be carried, so that inconvenience is brought to operation.
Disclosure of Invention
Aiming at the problems of poor stability, uneven stress, complex adjusting structure, easy slippage and the like in the prior art, the invention provides the opening tool for the isolation baffle of the 10kV switch cabinet, which can cover 10kV switch cabinets of different models, has good stability, uniform stress and simple structure, and is convenient for mounting, dismounting, using and storing tools.
The scheme provided by the invention is as follows:
a10 kV switch cabinet isolation baffle opening tool comprises a first push plate, a second push plate, a connecting piece, a push-pull piece and a pulley block; the first push plate and the second push plate are arranged in parallel and are respectively and vertically connected with two ends of the connecting piece, the bottoms of the inner sides of the first push plate and the second push plate are respectively provided with a pulley block, and the push-pull piece is connected with the axial middle position of the connecting piece;
the connecting piece comprises a fixed rod, a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are respectively arranged at two ends of the fixed rod, elastic buckles are arranged on the first connecting rod and the second connecting rod, and a plurality of positioning holes are uniformly arranged on the fixed rod at equal distances; the first connecting rod and the second connecting rod are fixed in the positioning hole through elastic buckles respectively;
the push-and-pull piece comprises an insulating handle and a telescopic loop bar, the telescopic loop bar comprises a first telescopic rod, a second telescopic rod and a third telescopic rod, the second telescopic rod stretches and slides in the first telescopic rod, the third telescopic rod stretches and slides in the second telescopic rod, and the bottom surfaces of the first telescopic rod, the second telescopic rod and the third telescopic rod are not circular.
Furthermore, the upper ends of the first telescopic rod and the second telescopic rod are provided with inward flanges, and the lower ends of the second telescopic rod and the third telescopic rod are provided with outward flanges. Through upper and lower end respectively outwards turn-ups and turn-ups inwards, mutually support and can prevent the disjointing of adjacent telescopic link, guarantee stably firm.
Furthermore, the distance between the two positioning holes is smaller than the width of the first push plate or the second push plate. The distance between the first push plate and the second push plate can be flexibly adjusted according to the width of the switch cabinet, and the use universality of the tool is improved.
Furthermore, the upper end faces of the front ends of the first push plate and the second push plate are both provided with an upper vertical plate, the lower end faces of the front ends of the first push plate and the second push plate are both provided with a lower vertical plate, and the upper vertical plate and the lower vertical plate are symmetrically arranged along the axial direction of the push-pull piece. The contact part of the isolation plate is better attached, and the slipping phenomenon is avoided.
Furthermore, the fixing piece is provided with a connecting sleeve at the axial middle position, an internal thread is arranged in the connecting sleeve, an external thread is arranged on a third telescopic rod, and the third telescopic rod is in threaded connection with the connecting sleeve. The tool is convenient to mount, dismount, carry, store and transport.
Furthermore, the lower extreme of first telescopic link is fixed in the upper end of insulating handle. The push-pull piece is simple and convenient to operate, cannot be accidentally and automatically stretched, the length of the push-pull piece can be adjusted at will, the enough safety distance is ensured, and the space can be saved.
Further, the assembly pulley includes pulley, fixed block and connecting plate, is equipped with the pivot between two fixed blocks, and the pulley is located in the pivot, and the fixed block is fixed on the connecting plate, and the connecting plate passes through bolted connection on first push pedal and second push pedal. The switch cabinet can be conveniently accessed, and the opening tool is driven to enter and exit the switch cabinet.
Furthermore, the first push plate, the second push plate and the connecting piece are made of iron. The handcart component can be used after being improved, and the production cost is reduced.
The alarm device is arranged on the first push plate or the second push plate and is preferably connected with the upper vertical plate, the alarm device comprises a travel switch, a high-voltage electric detection mechanism and an infrared alarm, and the travel switch, the high-voltage electric detection mechanism and the infrared alarm are connected in series in a circuit of the alarm device. Can warn and ensure the personal safety of the operating personnel.
The invention has the following beneficial effects:
(1) the push-pull part adopts an insulating handle and a telescopic sleeve rod, is simple and convenient to operate, cannot be automatically stretched accidentally, can be adjusted in length at will, ensures enough safety distance and saves space; the first connecting rod and the second connecting rod are respectively fixed in the positioning holes of the fixing rod through the elastic buckles, so that the distance between the first push plate and the second push plate can be adjusted by the connecting piece according to switch cabinets with different sizes, the adaptability of the tool is enhanced, the stability of the connecting piece can be ensured, the uniform stress is ensured, the tool can be conveniently disassembled and assembled, and the sliding is not easy to slip; the upper vertical plate and the lower vertical plate are symmetrically arranged along the axial direction of the push-pull piece, so that the contact part of the isolation plate is better attached, and the slipping phenomenon is avoided; the alarm device is arranged on the upper vertical plate, so that the alarm function can be realized, and the personal safety of operating personnel can be ensured;
(2) according to the tool for opening the isolation baffle of the 10kV switch cabinet, the connecting piece and the push-pull piece are simpler in structure, more stable in performance, lighter in overall mass, certain in strength, low in manufacturing cost and strong in use convenience.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of a connector configuration;
FIG. 4 is a schematic view of the push-pull member construction;
in the figure, 1, an insulated handle; 2. a telescopic sleeve; 3. connecting a sleeve; 4. a first push plate; 5. an upper vertical plate; 6. a lower vertical plate; 7. a first connecting rod; 8. fixing the rod; 9. a second connecting rod; 10. a pulley block; 11. A second push plate; 12. a first telescopic rod; 13. a second telescopic rod; 14. a third telescopic rod; 15. a connecting plate; 16. a fixed block; 17. a pulley; 18. elastic buckle; 19. positioning holes; 20. flanging inwards; 21. And flanging outwards.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A10 kV switch cabinet isolation baffle opening tool comprises a first push plate 4, a second push plate 11, a connecting piece, a push-pull piece and a pulley block 10; the first push plate 4 and the second push plate 11 are arranged in parallel and are respectively and vertically connected with two ends of the connecting piece, the bottoms of the inner sides of the first push plate 4 and the second push plate 11 are both provided with a pulley block 10, and the push-pull piece is connected with the axial middle position of the connecting piece;
the connecting piece comprises a fixed rod 8, a first connecting rod 7 and a second connecting rod 9, the first connecting rod 7 and the second connecting rod 9 are respectively arranged at two ends of the fixed rod 8, elastic buckles 18 are arranged on the first connecting rod 7 and the second connecting rod 9, and a plurality of positioning holes 19 are uniformly arranged on the fixed rod 8 at equal intervals; the first connecting rod 7 and the second connecting rod 9 are respectively fixed in the positioning hole 19 through an elastic buckle 18;
the push-and-pull piece comprises an insulating handle 1 and a telescopic loop bar 2, the telescopic loop bar 2 comprises a first telescopic rod 12, a second telescopic rod 13 and a third telescopic rod 14, the second telescopic rod 13 stretches and slides in the first telescopic rod 12, the third telescopic rod 14 stretches and slides in the second telescopic rod 13, and the bottom surfaces of the first telescopic rod 12, the second telescopic rod 13 and the third telescopic rod 14 are not circular.
The upper ends of the first telescopic rod 12 and the second telescopic rod 13 are provided with inward flanges 20, and the lower ends of the second telescopic rod 13 and the third telescopic rod 14 are provided with outward flanges 21. The upper end and the lower end of the telescopic rod are respectively outward turned edge 21 and inward turned edge 20, and the telescopic rods are matched with each other to prevent the adjacent telescopic rods from disjointing, so that stability and firmness are guaranteed.
The distance between the two positioning holes 19 is smaller than the width of the first push plate 4 or the second push plate 11. The distance between the first push plate and the second push plate can be flexibly adjusted according to the width of the switch cabinet, and the use universality of the tool is improved.
The front end up end of first push pedal 4 and second push pedal 11 all is provided with riser 5, and the front end down end of first push pedal 4 and second push pedal 11 all is provided with down riser 6, and riser 5 sets up along push-and-pull piece axial direction symmetry with riser 6 down. The contact part of the isolation plate is better attached, and the slipping phenomenon is avoided.
The fixing piece is provided with a connecting sleeve 3 in the axial middle position, an internal thread is arranged in the connecting sleeve 3, an external thread is arranged on the third telescopic rod 14, and the third telescopic rod 14 is in threaded connection with the connecting sleeve 3. The tool is convenient to mount, dismount, carry, store and transport.
The lower end of the first telescopic rod 12 is fixed at the upper end of the insulated handle 1. The push-pull piece is simple and convenient to operate, cannot be accidentally and automatically stretched, the length of the push-pull piece can be adjusted at will, the enough safety distance is ensured, and the space can be saved.
The pulley block comprises a pulley 17, fixed blocks 16 and connecting plates 15, a rotating shaft is arranged between the two fixed blocks 16, the pulley 17 is arranged on the rotating shaft, the fixed blocks 16 are fixed on the connecting plates 15, and the two connecting plates 15 are respectively connected to the first push plate 4 and the second push plate 11 through bolts. The switch cabinet can be conveniently accessed, and the opening tool is driven to enter and exit the switch cabinet.
The first push plate 4, the second push plate 11 and the connecting piece are made of iron. The handcart component can be used after being improved, and the production cost is reduced.
The using method of the invention is as follows:
according to the concrete model of 10kV cubical switchboard, the block through elasticity buckle 18 and corresponding locating hole 19 realizes the injecing of connecting piece, installs push-and-pull spare in connecting tube 3 on the connecting piece, holds insulating handle 1 and puts into the cubical switchboard with the opening tool, according to the tensile flexible loop bar 2 of safe operating distance to suitable length, assembly pulley 10 slides and drives the opening tool and get into in the cubical switchboard, slowly opens barrier, carries out nuclear phase, withstand voltage test, tests operation such as electricity.
And (2) performing simulation operation at a substation of Guang river, wherein the upper and lower isolation baffles are required to be opened for 20 times, and the time used by the opening mode of the opening tool is measured, and the speed of the opening tool for opening the upper and lower isolation baffles reaches 51 times in 4 seconds, so that the phenomenon of excessive slipping does not occur.
Example 2
On the basis of embodiment 1, the opening tool further comprises an alarm device, the alarm device is arranged on the first push plate 4 or the second push plate 11 and is preferably connected with the upper vertical plate 5, the alarm device comprises a travel switch, a high-voltage detection mechanism and an infrared alarm, and the travel switch, the high-voltage detection mechanism and the infrared alarm are connected in series in a circuit of the alarm device. Can warn and ensure the personal safety of the operating personnel.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a 10kV cubical switchboard isolation barrier opening tool which characterized in that: comprises a first push plate (4), a second push plate (11), a connecting piece, a push-pull piece and a pulley block (10); the first push plate (4) and the second push plate (11) are arranged in parallel and are respectively and vertically connected with two ends of the connecting piece, the bottoms of the inner sides of the first push plate (4) and the second push plate (11) are respectively provided with a pulley block (10), and the push-pull piece is connected with the axial middle position of the connecting piece;
the connecting piece comprises a fixed rod (8), a first connecting rod (7) and a second connecting rod (9), the first connecting rod (7) and the second connecting rod (9) are respectively arranged at two ends of the fixed rod (8), elastic buckles (18) are arranged on the first connecting rod (7) and the second connecting rod (9), and a plurality of positioning holes (19) are uniformly arranged on the fixed rod (8) at equal intervals; the first connecting rod (7) and the second connecting rod (9) are respectively fixed in the positioning hole (19) through an elastic buckle (18);
the push-pull piece comprises an insulating handle (1) and a telescopic sleeve rod (2), the telescopic sleeve rod (2) comprises a first telescopic rod (12), a second telescopic rod (13) and a third telescopic rod (14), the second telescopic rod (13) stretches and slides in the first telescopic rod (12), the third telescopic rod (14) stretches and slides in the second telescopic rod (13), and the bottom surfaces of the first telescopic rod (12), the second telescopic rod (13) and the third telescopic rod (14) are not circular.
2. The 10kV cubical switchboard isolation barrier opening tool of claim 1 characterized in that: the upper ends of the first telescopic rod (12) and the second telescopic rod (13) are provided with inward flanges (20), and the lower ends of the second telescopic rod (13) and the third telescopic rod (14) are provided with outward flanges (21).
3. The 10kV cubical switchboard isolation barrier opening tool of claim 1 characterized in that: the distance between the two positioning holes (19) is smaller than the width of the first push plate (4) or the second push plate (11).
4. The 10kV cubical switchboard isolation barrier opening tool of claim 1 characterized in that: the front end up end of first push pedal (4) and second push pedal (11) all is provided with riser (5), and the front end down end of first push pedal (4) and second push pedal (11) all is provided with down riser (6), and riser (5) and riser (6) down set up along push-and-pull piece axial direction symmetry.
5. The 10kV cubical switchboard isolation barrier opening tool of claim 1 characterized in that: the fixing piece is axially arranged in the middle of the fixing piece, a connecting sleeve (3) is arranged in the middle of the fixing piece, an internal thread is arranged in the connecting sleeve (3), an external thread is arranged on the third telescopic rod (14), and the third telescopic rod (14) is in threaded connection with the connecting sleeve (3).
6. The 10kV cubical switchboard isolation barrier opening tool of claim 1 characterized in that: the lower end of the first telescopic rod (12) is fixed at the upper end of the insulating handle (1).
7. The 10kV cubical switchboard isolation barrier opening tool of claim 1 characterized in that: the pulley block comprises a pulley (17), fixing blocks (16) and a connecting plate (15), a rotating shaft is arranged between the two fixing blocks (16), the pulley (17) is arranged on the rotating shaft, the fixing blocks (16) are fixed on the connecting plate (15), and the connecting plate (15) is connected to the first push plate (4) and the second push plate (11) through bolts.
8. The 10kV cubical switchboard isolation barrier opening tool of claim 1 characterized in that: the first push plate (4), the second push plate (11) and the connecting piece are made of iron.
9. The 10kV cubical switchboard isolation barrier opening tool of claim 1 characterized in that: the alarm device is arranged on the first push plate (4) or the second push plate (11) and is preferably connected with the upper vertical plate (5), and comprises a travel switch, a high-voltage electric detection mechanism and an infrared alarm, wherein the travel switch, the high-voltage electric detection mechanism and the infrared alarm are connected in series in a circuit of the alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906653.1A CN112103826A (en) | 2020-09-02 | 2020-09-02 | 10kV cubical switchboard isolation barrier opening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906653.1A CN112103826A (en) | 2020-09-02 | 2020-09-02 | 10kV cubical switchboard isolation barrier opening tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112103826A true CN112103826A (en) | 2020-12-18 |
Family
ID=73757007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010906653.1A Pending CN112103826A (en) | 2020-09-02 | 2020-09-02 | 10kV cubical switchboard isolation barrier opening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112103826A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166135A (en) * | 2011-12-15 | 2013-06-19 | 上海市电力公司 | Multifunctional operational tool |
| CN203932784U (en) * | 2014-06-16 | 2014-11-05 | 国家电网公司 | Portable unlatching 10kV trolley baffle plate device |
| CN207039029U (en) * | 2017-05-20 | 2018-02-23 | 深圳市德春水电工程有限公司 | A kind of hot-line tool |
| CN107732738A (en) * | 2017-11-29 | 2018-02-23 | 国网山东省电力公司济南供电公司 | A kind of general aid of switch cabinet one-time nuclear phase |
| CN208835553U (en) * | 2018-09-28 | 2019-05-07 | 广东电网有限责任公司 | A kind of insulating bar |
| CN110829254A (en) * | 2019-12-12 | 2020-02-21 | 国网山东省电力公司济南供电公司 | Adjustable insulation baffle plate opening tool for power switch cabinet |
-
2020
- 2020-09-02 CN CN202010906653.1A patent/CN112103826A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166135A (en) * | 2011-12-15 | 2013-06-19 | 上海市电力公司 | Multifunctional operational tool |
| CN203932784U (en) * | 2014-06-16 | 2014-11-05 | 国家电网公司 | Portable unlatching 10kV trolley baffle plate device |
| CN207039029U (en) * | 2017-05-20 | 2018-02-23 | 深圳市德春水电工程有限公司 | A kind of hot-line tool |
| CN107732738A (en) * | 2017-11-29 | 2018-02-23 | 国网山东省电力公司济南供电公司 | A kind of general aid of switch cabinet one-time nuclear phase |
| CN208835553U (en) * | 2018-09-28 | 2019-05-07 | 广东电网有限责任公司 | A kind of insulating bar |
| CN110829254A (en) * | 2019-12-12 | 2020-02-21 | 国网山东省电力公司济南供电公司 | Adjustable insulation baffle plate opening tool for power switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109733450A (en) | Explosion-proof electrical source | |
| CN109301754A (en) | Insulating bar and electroscope integrated device | |
| CN112103826A (en) | 10kV cubical switchboard isolation barrier opening tool | |
| CN207426482U (en) | A kind of power transformation box of easy access | |
| CN213520823U (en) | Conveniently-moved armored switch cabinet | |
| CN109212276A (en) | A kind of insulation monitor | |
| CN219608576U (en) | Cable stretching detection device | |
| CN116819283A (en) | Equipment and method for detecting abnormal electricity consumption | |
| CN216979137U (en) | Integrated trolley suitable for lightning arrester preventive test | |
| CN207251056U (en) | A kind of electrical cabinet adjusts wiring stent | |
| CN210835008U (en) | Frequency tripling induction voltage generator | |
| CN213069123U (en) | Aircraft alternating current-direct current power supply system test bench convenient to dismouting | |
| CN213720623U (en) | Workbench for power test equipment | |
| CN213460837U (en) | 10kV cubical switchboard electricity test dolly | |
| CN214590178U (en) | MNS low pressure pull-out type cubical switchboard that stably takes out | |
| CN212275836U (en) | Portable electric testing auxiliary tool for switch cabinet | |
| CN202978057U (en) | Central positioned high-voltage cabinet electricity-testing cart | |
| CN209515532U (en) | A kind of ring network cabinet earthing switch component | |
| CN208140813U (en) | A kind of test device for relay protection | |
| CN207992264U (en) | A kind of combined local discharge of electrical equipment live detection equipment | |
| CN219833441U (en) | Switch board convenient to overhaul | |
| CN109787131A (en) | Folding-jib disconnecting switch overhauls special tooling platform | |
| CN219123753U (en) | Low-voltage draw-out type switch cabinet assembling structure | |
| CN212083590U (en) | Special series resonance test device for CVT (continuously variable Transmission) test | |
| CN110482335A (en) | A kind of DC stacked impulse voltage test device |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201218 |
|
| RJ01 | Rejection of invention patent application after publication |