CN210181084U - Insulating board that detects of vacuum interrupter - Google Patents

Insulating board that detects of vacuum interrupter Download PDF

Info

Publication number
CN210181084U
CN210181084U CN201920878854.8U CN201920878854U CN210181084U CN 210181084 U CN210181084 U CN 210181084U CN 201920878854 U CN201920878854 U CN 201920878854U CN 210181084 U CN210181084 U CN 210181084U
Authority
CN
China
Prior art keywords
vacuum
vacuum arc
vacuum interrupter
moving contact
motor
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.)
Active
Application number
CN201920878854.8U
Other languages
Chinese (zh)
Inventor
Yifei Chen
陈益飞
Lijuan Zhou
周立娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
777 Electric Technology Co Ltd
Original Assignee
777 Electric Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 777 Electric Technology Co Ltd filed Critical 777 Electric Technology Co Ltd
Priority to CN201920878854.8U priority Critical patent/CN210181084U/en
Application granted granted Critical
Publication of CN210181084U publication Critical patent/CN210181084U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses an insulating board that detects of vacuum interrupter, include: a bearing platform, a motor mounting seat, a motor, a turntable, a vacuum arc extinguish chamber clamp, a lifting mechanism bracket, a cylinder mounting plate, a cylinder, a slide bar and a moving contact clamper, the vacuum arc extinguish chamber can be fixed in the vacuum arc extinguish chamber clamp, the static contact at the bottom of the vacuum arc extinguish chamber is grounded, the sliding rod is adjusted to be above the vacuum arc extinguish chamber to be tested by the cylinder, the moving contact at the top of the vacuum arc extinguish chamber is clamped by the moving contact clamp holder, and by utilizing the rising of the air cylinder, so that the contact surfaces of the moving contact and the static contact of the vacuum arc extinguish chamber are separated and connected with the moving contact holder through the insulation detection transformer, thereby detect vacuum interrupter's insulating properties, can place a plurality of vacuum interrupter simultaneously to vacuum interrupter anchor clamps adopt adjusting bolt's mode fixed vacuum interrupter, can adapt to the detection of the vacuum interrupter of different specifications, are showing and are promoting detection efficiency.

Description

Insulating board that detects of vacuum interrupter
Technical Field
The utility model relates to an insulating technical field that detects of vacuum interrupter, concretely relates to insulating board that detects of vacuum interrupter.
Background
The vacuum arc-extinguishing chamber is also called a vacuum switch tube, is a core component of a medium-high voltage power switch, has the main functions of rapidly extinguishing arc and inhibiting current after a medium-high voltage circuit is cut off a power supply through excellent insulating property of vacuum in the tube, is mainly applied to a power transmission and distribution control system of electric power, is also applied to power distribution systems of metallurgy, mine, petroleum, chemical industry, railway, broadcasting, communication, industrial high-frequency heating and the like, and has the characteristics of energy conservation, material conservation, fire prevention, explosion prevention, small volume, long service life, low maintenance cost, reliable operation, no pollution and the like. The vacuum arc-extinguishing chamber is divided into an arc-extinguishing chamber for a circuit breaker and an arc-extinguishing chamber for a load switch from the aspect of use, the arc-extinguishing chamber for the circuit breaker is mainly used for transformer substations and power grid facilities in the power sector, and the arc-extinguishing chamber for the load switch is mainly used for end users of a power grid. The insulation detection of the vacuum arc-extinguishing chamber is very important for ensuring the quality of the vacuum arc-extinguishing chamber, however, at present, a special machine table suitable for the insulation detection of vacuum arc-extinguishing chambers with different specifications in batches at the same time does not exist. Therefore, how to design a vacuum interrupter insulation detection machine platform, make it can detect the vacuum interrupter of multiple obstructed specifications in batches to promote the efficiency of detection, be the problem that awaits solution in the industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating board that detects of vacuum interrupter to solve and not have the problem that is applicable to the special board of insulating detection to different specification vacuum interrupters simultaneously in batches at present.
The utility model provides an insulating board that detects of vacuum interrupter, include: bearing platform, motor mount pad, motor, carousel, vacuum interrupter anchor clamps, hoist mechanism support, cylinder mounting panel, cylinder, slide bar and moving contact holder.
The motor mounting seat is arranged on the bearing platform, the motor is arranged on the motor mounting seat, the turntable is arranged above the motor, a rotating shaft is arranged at the center of the bottom of the turntable, and the rotating shaft is connected with an output shaft of the motor through a coupler; the vacuum arc extinguishing chamber clamps are arranged on the upper surface of the rotary table, the number of the vacuum arc extinguishing chamber clamps is multiple, and the vacuum arc extinguishing chamber clamps are uniformly distributed on the upper surface of the rotary table in a circumferential mode around the axis of the rotary table by taking the axis of the rotary table as the center; the lifting mechanism support is vertically arranged on the upper surface of the bearing platform, the lifting mechanism support is positioned on one side of the turntable, the air cylinder mounting plate is arranged on the top of the lifting mechanism support, the air cylinder is fixed on the bottom surface of the air cylinder mounting plate, and a piston rod of the air cylinder vertically extends downwards; the lifting mechanism comprises a lifting mechanism support, a rotary table, a sliding groove, a moving contact holder and a vacuum arc extinguish chamber clamp, wherein the lifting mechanism support is provided with the sliding groove on one side facing the rotary table, one end of a sliding rod is connected inside the sliding groove in a sliding mode, the sliding rod is perpendicular to the lifting mechanism support, the bottom end of a piston rod is connected with the middle of the sliding rod, the moving contact holder is arranged at the other end of the sliding rod, and the moving contact holder is.
Optionally, the bearing platform comprises a bearing plate and a grounding support leg arranged at the bottom of the bearing plate, and the bearing plate, the grounding support leg, the turntable, the coupler, the motor and the motor mounting seat are all made of metal materials.
Optionally, vacuum interrupter anchor clamps include recess, ground connection metal sheet, anchor clamps ring and an adjusting bolt, the recess set up in load-bearing platform's upper surface, ground connection metal sheet set up in the inside of recess, the anchor clamps ring set up in load-bearing platform is last and be located the top of recess, four an adjusting bolt threaded connection respectively is in one the lateral wall of anchor clamps ring.
Optionally, the moving contact holder includes two clamping heads that set up relatively, two clamping heads set up respectively in the tip both sides of slide bar, the clamping head includes grip block, grip block and second adjusting bolt, the second adjusting bolt with grip block threaded connection, the grip block with the second adjusting bolt is located the one end rotation connection between two grip blocks.
Optionally, the inner side surface of the clamping block is provided with a semi-cylindrical recess.
The utility model has the advantages as follows: the utility model discloses an insulating board that detects of vacuum interrupter, include: the vacuum arc extinguish chamber insulation detection device comprises a bearing platform, a motor mounting seat, a motor, a turntable, a vacuum arc extinguish chamber clamp, a lifting mechanism support, a cylinder mounting plate, a cylinder, a sliding rod and a moving contact holder, wherein when the vacuum arc extinguish chamber is required to be subjected to insulation detection, the vacuum arc extinguish chamber to be detected can be fixed in the vacuum arc extinguish chamber clamp, a static contact at the bottom of the vacuum arc extinguish chamber is grounded through the turntable and the bearing platform, the sliding rod is adjusted to be above the vacuum arc extinguish chamber to be detected by the cylinder, the moving contact at the top of the vacuum arc extinguish chamber is clamped by the moving contact holder, then the contact surface of the moving contact and the static contact of the vacuum arc extinguish chamber is separated by the ascending of the cylinder, then the moving contact holder can be connected with the moving contact holder through an insulation detection transformer, so that the insulation, rotate the carousel through the motor for the next vacuum interrupter who treats the detection rotates to the below of moving contact holder, so that detect next time, the utility model discloses a be provided with a plurality of vacuum interrupter anchor clamps along the circumference distribution on the insulating detection board of vacuum interrupter, can place a plurality of vacuum interrupter simultaneously to vacuum interrupter anchor clamps adopt adjusting bolt's the fixed vacuum interrupter of mode, can adapt to the detection of the vacuum interrupter of different specifications, are showing and are promoting detection efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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 only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an insulation detection machine for a vacuum interrupter provided by the present invention;
fig. 2 is a bottom schematic view of the insulation detection machine platform of the vacuum arc-extinguishing chamber provided by the present invention;
fig. 3 is a schematic view of a motor of the insulation detection platform of the vacuum arc-extinguishing chamber provided by the present invention;
fig. 4 is a schematic view of a vacuum interrupter clamp of a vacuum interrupter insulation detection machine platform provided by the present invention;
fig. 5 is a schematic view of a slide rod of the insulation detection platform of the vacuum arc-extinguishing chamber provided by the present invention;
fig. 6 is the utility model provides a pair of moving contact holder schematic diagram of vacuum interrupter insulation detection board.
Illustration of the drawings: 1-a load-bearing platform; 2-motor mounting seat; 3, a motor; 4-a turntable; 5-vacuum arc-extinguishing chamber clamp; 6-lifting mechanism support; 7-a cylinder mounting plate; 8-cylinder; 9-a slide bar; 10-moving contact holder; 40-a rotating shaft; 30-a coupler; 81-a piston rod; 61-a chute; 11-a carrier plate; 12-a ground leg; 51-a groove; 52-grounded metal plate; 53-clamp ring; 54-a first adjusting bolt; 100-a vacuum arc-extinguishing chamber; 101-a gripping head; 1011-a clamping plate; 1012-clamping block; 1013-semi-cylindrical depressions; 1014-second adjusting bolt.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to fig. 1 to 6, an embodiment of the present invention provides an insulation detecting machine for a vacuum interrupter, including: the device comprises a bearing platform 1, a motor mounting seat 2, a motor 3, a turntable 4, a vacuum arc extinguish chamber clamp 5, a lifting mechanism support 6, a cylinder mounting plate 7, a cylinder 8, a slide rod 9 and a moving contact holder 10.
The motor mounting base 2 is arranged on the bearing platform 1, the motor 3 is arranged on the motor mounting base 2, and an output shaft of the motor 3 vertically extends upwards. The turntable 4 is arranged above the motor 3, a rotating shaft 40 is arranged at the center of the bottom of the turntable 4, and the rotating shaft 40 is connected with an output shaft of the motor 3 through a coupler 30. By the rotation of the motor 3, the shaft coupler 30 can drive the rotating shaft 40 to rotate, so as to drive the whole rotating disc 4 to rotate.
Specifically, vacuum interrupter anchor clamps 5 set up in the upper surface of carousel 4, vacuum interrupter anchor clamps 5 are used for treating the vacuum interrupter who detects and carry out the centre gripping. The number of the vacuum arc-extinguishing chamber clamps 5 is multiple, so that a plurality of vacuum arc-extinguishing chambers can be clamped simultaneously in batches. A plurality of the vacuum interrupter clamps 5 are uniformly distributed on the upper surface of the turntable 4 in a circumferential manner around the axis of the turntable 4, centered on the axis, so that when the turntable 4 rotates, different positions of the vacuum interrupter clamps 5 can be rotated.
Specifically, the lifting mechanism support 6 is vertically arranged on the upper surface of the bearing platform 1, the lifting mechanism support 6 is located on one side of the turntable 4, the cylinder mounting plate 7 is arranged on the top of the lifting mechanism support 6, the cylinder 8 is fixed on the bottom surface of the cylinder mounting plate 7, and a piston rod 81 of the cylinder 8 vertically extends downwards.
Lifting mechanism support 6 orientation one side of carousel 4 is provided with spout 61, the one end sliding connection of slide bar 9 in the inside of spout 61, slide bar 9 with lifting mechanism support 6 is perpendicular, the bottom of piston rod 81 with the middle part of slide bar 9 is connected, moving contact holder 10 set up in the other end of slide bar 9, moving contact holder 10 is located vacuum interrupter anchor clamps 5's top for carry out the centre gripping to the top moving contact of the vacuum interrupter 100 of fixing in the vacuum interrupter anchor clamps 5 of below, so as to promote through the cylinder.
Specifically, load-bearing platform 1 includes loading board 11 and set up in the ground connection stabilizer blade 12 of loading board 11 bottom, loading board 11 ground connection stabilizer blade 12 carousel 4 the shaft coupling 30 motor 3 and motor mount pad 2 is the metal material to realize with the back of vacuum interrupter 100 centre gripping in vacuum interrupter anchor clamps 5, the static contact of vacuum interrupter 100 bottom can realize ground connection.
Specifically, vacuum interrupter anchor clamps 5 include recess 51, ground connection metal sheet 52, anchor clamps ring 53 and first adjusting bolt 54, recess 51 set up in load-bearing platform 1's upper surface, ground connection metal sheet 52 set up in the inside of recess 51, anchor clamps ring 53 set up in load-bearing platform 1 is last and be located the top of recess 51, four first adjusting bolt 54 threaded connection respectively one the lateral wall of anchor clamps ring 53. When the vacuum interrupter 100 is clamped, the vacuum interrupter 100 may be vertically disposed in the groove 51, and a bottom fixed contact of the vacuum interrupter 100 is in contact with the grounding metal plate 52 to achieve grounding. The four first adjustment bolts 54 on the clamp ring 53 are then adjusted so that the four first adjustment bolts 54 clamp the vacuum interrupter 100 in the clamp ring 53.
Specifically, the movable contact holder 10 includes two holding heads 101 disposed oppositely, the two holding heads 101 are disposed on two sides of the end portion of the sliding rod 9, respectively, the holding head 101 includes a holding plate 1011, a holding block 1012 and a second adjusting bolt 1014, the second adjusting bolt 1014 is in threaded connection with the holding plate 1011, and one end of the holding block 1012 and one end of the second adjusting bolt 1014 located between the two holding plates 1011 are rotatably connected. When the movable contact holder 10 is used to hold the movable contact at the top end of the vacuum interrupter 100, the movable contact at the top end of the vacuum interrupter 100 may be located between the two holding blocks 1012, and the threaded connection position of the second adjusting bolt 1014 on the holding plate 1011 is adjusted, until the movable contact at the top end of the vacuum interrupter 100 is clamped. The inner side surface of the clamping block 1012 is provided with a semi-cylindrical recess 1013, which can better adapt to the external shape of the moving contact at the top end of the vacuum interrupter 100, so as to facilitate clamping.
The utility model discloses an application principle of insulating board that detects of vacuum interrupter as follows: when the vacuum arc-extinguishing chamber 100 needs to be subjected to insulation detection, the vacuum arc-extinguishing chamber 100 to be detected can be fixed in a vacuum arc-extinguishing chamber clamp 5, so that a static contact at the bottom of the vacuum arc-extinguishing chamber 100 is grounded through a turntable 4 and a bearing platform 1, a sliding rod 9 is adjusted to be above the vacuum arc-extinguishing chamber 100 to be detected by using an air cylinder 8, a moving contact at the top of the vacuum arc-extinguishing chamber 100 is clamped by a moving contact clamp 10, then the moving contact of the vacuum arc-extinguishing chamber 100 is separated from a contact surface of the static contact by using the ascending of the air cylinder 8, and then the vacuum arc-extinguishing chamber 100 to be detected can be connected with the moving contact clamp 10 through an insulation detection transformer, so that the insulation performance of the vacuum arc-extinguishing chamber 100 is detected, after the insulation performance of one vacuum arc-extinguishing chamber 100 is detected, the moving contact clamp 10 and the, so as to carry out next detection, the utility model discloses an insulating a plurality of vacuum interrupter anchor clamps 5 that are provided with on the detection board of vacuum interrupter distributes along the circumference, can place a plurality of vacuum interrupter 100 simultaneously to vacuum interrupter anchor clamps 5 adopt the fixed vacuum interrupter 100 of the mode of first adjusting bolt 54, can adapt to the detection of the vacuum interrupter 100 of different specifications, are showing and are promoting detection efficiency.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an insulating board that detects of vacuum interrupter which characterized in that includes: the device comprises a bearing platform (1), a motor mounting seat (2), a motor (3), a turntable (4), a vacuum arc extinguish chamber clamp (5), a lifting mechanism support (6), a cylinder mounting plate (7), a cylinder (8), a sliding rod (9) and a moving contact clamp holder (10);
the motor mounting seat (2) is arranged on the bearing platform (1), the motor (3) is arranged on the motor mounting seat (2), the turntable (4) is arranged above the motor (3), a rotating shaft (40) is arranged at the center of the bottom of the turntable (4), and the rotating shaft (40) is connected with an output shaft of the motor (3) through a coupler (30); the vacuum arc-extinguishing chamber clamps (5) are arranged on the upper surface of the rotary table (4), the number of the vacuum arc-extinguishing chamber clamps (5) is multiple, the vacuum arc-extinguishing chamber clamps (5) are uniformly distributed on the upper surface of the rotary table (4) in a circumferential mode around the axis by taking the axis of the rotary table (4) as the center; the lifting mechanism support (6) is vertically arranged on the upper surface of the bearing platform (1), the lifting mechanism support (6) is located on one side of the turntable (4), the air cylinder mounting plate (7) is arranged on the top of the lifting mechanism support (6), the air cylinder (8) is fixed on the bottom surface of the air cylinder mounting plate (7), and a piston rod (81) of the air cylinder (8) vertically extends downwards; lifting mechanism support (6) orientation one side of carousel (4) is provided with spout (61), the one end sliding connection of slide bar (9) in the inside of spout (61), slide bar (9) with lifting mechanism support (6) are perpendicular, the bottom of piston rod (81) with the middle part of slide bar (9) is connected, moving contact holder (10) set up in the other end of slide bar (9), moving contact holder (10) are located the top of vacuum interrupter anchor clamps (5).
2. The insulation detection machine table for the vacuum arc extinguish chamber according to claim 1, wherein the bearing platform (1) comprises a bearing plate (11) and a grounding support leg (12) arranged at the bottom of the bearing plate (11), and the bearing plate (11), the grounding support leg (12), the turntable (4), the coupler (30), the motor (3) and the motor mounting seat (2) are all made of metal.
3. The vacuum interrupter insulation detection machine table according to claim 2, wherein the vacuum interrupter clamp (5) comprises a groove (51), a grounding metal plate (52), a clamp ring (53) and first adjusting bolts (54), the groove (51) is disposed on the upper surface of the bearing platform (1), the grounding metal plate (52) is disposed inside the groove (51), the clamp ring (53) is disposed on the bearing platform (1) and located above the groove (51), and four first adjusting bolts (54) are respectively connected to the side wall of one clamp ring (53) in a threaded manner.
4. The insulation detection machine table for the vacuum arc extinguish chamber according to claim 3, wherein the moving contact holder (10) comprises two opposite holding heads (101), the two holding heads (101) are respectively arranged at two sides of the end portion of the sliding rod (9), the holding heads (101) comprise a holding plate (1011), a holding block (1012) and a second adjusting bolt (1014), the second adjusting bolt (1014) is in threaded connection with the holding plate (1011), and the holding block (1012) is in rotational connection with one end of the second adjusting bolt (1014) between the two holding plates (1011).
5. The machine table for detecting insulation of the vacuum arc-extinguishing chamber according to claim 4, wherein the inner side surface of the clamping block (1012) is provided with a semi-cylindrical recess (1013).
CN201920878854.8U 2019-06-12 2019-06-12 Insulating board that detects of vacuum interrupter Active CN210181084U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920878854.8U CN210181084U (en) 2019-06-12 2019-06-12 Insulating board that detects of vacuum interrupter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920878854.8U CN210181084U (en) 2019-06-12 2019-06-12 Insulating board that detects of vacuum interrupter

Publications (1)

Publication Number Publication Date
CN210181084U true CN210181084U (en) 2020-03-24

Family

ID=69837540

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920878854.8U Active CN210181084U (en) 2019-06-12 2019-06-12 Insulating board that detects of vacuum interrupter

Country Status (1)

Country Link
CN (1) CN210181084U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114264946A (en) * 2021-12-14 2022-04-01 广东电网有限责任公司江门供电局 Testing tool for vacuum arc extinguish chamber of circuit breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114264946A (en) * 2021-12-14 2022-04-01 广东电网有限责任公司江门供电局 Testing tool for vacuum arc extinguish chamber of circuit breaker
CN114264946B (en) * 2021-12-14 2023-09-22 广东电网有限责任公司江门供电局 Breaker vacuum arc-extinguishing chamber test tool

Similar Documents

Publication Publication Date Title
CN210181084U (en) Insulating board that detects of vacuum interrupter
CN110911206A (en) High-voltage isolating switch contact structure
CN106185613B (en) A kind of middle-placed switch cabinet cabinet installation hoisting tooling
CN104377047A (en) Electrical moving contact structure capable of automatically adjusting contact-surface angle
CN102522259B (en) Disc-type overlapping gyromagnetic longitudinal blowing vacuum arc extinguish chamber
CN115346830A (en) Quick mechanical switch and controllable self-recovery energy dissipation device
CN214848360U (en) Ultra-fast opening circuit breaker adopting combined operating mechanism
CN106356744B (en) A kind of high voltage power distributing cabinet assembly clamping device
EP1708215B1 (en) Telescopic switch
CN204966358U (en) A quick isolator for unloaded transformer of switching
CN204008504U (en) A kind of device that detects GIS bus
CN209216873U (en) A kind of switching device
CN206672806U (en) A kind of Multi-position change-over switch
CN102522257B (en) Disk-type gyromagnet longitudinal-blowing vacuum arc extinguish chamber
CN202042348U (en) Switching subassembly of combined type on-load tapping switch
CN202332706U (en) Disc-shaped overlapped type rotating magnetic vertical-blowing vacuum arc extinguish chamber
CN216435777U (en) Assembly clamping device of vacuum arc-extinguishing chamber
CN206363887U (en) A kind of part assembling all-in-one processed for magnetic coil
CN205248145U (en) Load combination switch
CN205428807U (en) Two stations bury formula load switch oilyly
CN214750746U (en) Suspension insulator online current integration testing device
CN110233072A (en) A kind of load ratio bridging switch of static contact equal distribution
CN203218169U (en) Vacuum on-load tap-changer reversing contact installation structure
CN214753508U (en) Novel pole-mounted circuit breaker fused with electronic sensor
CN214895625U (en) Overvoltage protection device for power device testing device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant