CN110556263A - 40.5kV aerifys cabinet drive mechanism - Google Patents
40.5kV aerifys cabinet drive mechanism Download PDFInfo
- Publication number
- CN110556263A CN110556263A CN201910819666.2A CN201910819666A CN110556263A CN 110556263 A CN110556263 A CN 110556263A CN 201910819666 A CN201910819666 A CN 201910819666A CN 110556263 A CN110556263 A CN 110556263A
- Authority
- CN
- China
- Prior art keywords
- transmission
- rod
- pressure
- crank arm
- gas
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 139
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gasket Seals (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a transmission mechanism of a 40.5kV gas-filled cabinet, which comprises a cabinet body, an input assembly, an execution device and a transmission assembly, wherein the cabinet body is provided with a closed accommodating cavity, and a partition plate is arranged in the accommodating cavity to divide the accommodating cavity into a gas box chamber and a mechanism chamber which are not communicated with each other; the input assembly is positioned in the mechanism chamber and comprises an input shaft and a cam, the input shaft is rotatably connected with the cabinet body, and the cam is sleeved on the input shaft and is fixedly connected with the input shaft; the execution device is arranged in the air box chamber and is used for closing or opening the circuit; the transmission assembly comprises an outer transmission device, a pressure device, an inner transmission device and a transmission rod, wherein the pressure device is positioned in the mechanism chamber, one end of the transmission rod is connected with the pressure device, and the other end of the transmission rod penetrates through the partition plate to be connected with the inner transmission device. The invention has the beneficial effects that: the pressure device is arranged in the mechanism chamber and serves as a connecting interface of the outer transmission device and the inner transmission device, so that the modularization level of the transmission mechanism is improved, and the overhauling and debugging efficiency is improved.
Description
Technical Field
the invention relates to the technical field of inflatable cabinets, in particular to a transmission mechanism of a 40.5kV inflatable cabinet.
Background
the 40.5KV gas-filled cabinet is used for 35KV three-phase AC 50Hz power distribution system. The intelligent control system is a main power control device in a 35KV system of a transformer substation. When the system is operating normally, it is possible to cut off and switch on the no-load and load currents of the lines and various electrical devices. When the system has a fault, it can cooperate with relay protection to quickly cut off the fault current so as to prevent the expansion of accident range.
in the transmission mechanism of the existing 40.5KV gas-filled cabinet, a pressure device is arranged in a gas-filled chamber, the modularization degree of the transmission mechanism is low, when the external transmission device in the mechanism chamber needs to be maintained or debugged, the gas-filled chamber has to be opened to take out the whole transmission mechanism, time and labor are wasted, and the maintenance cost is increased.
Disclosure of Invention
in view of the above, there is a need to provide a transmission mechanism of a 40.5KV gas-filled cabinet with an external pressure device.
A40.5 kV aerifys cabinet drive mechanism includes: a cabinet body, an input component, an execution device and a transmission component,
The cabinet body is provided with a closed accommodating cavity, and a partition board is arranged in the accommodating cavity to divide the accommodating cavity into an air box chamber and a mechanism chamber which are not communicated with each other;
The input assembly is positioned in the mechanism chamber and comprises an input shaft and a cam, the input shaft is rotatably connected with the cabinet body, and the cam is sleeved on the input shaft and is fixedly connected with the input shaft;
the actuating device is arranged in the air box chamber and is used for closing or opening a circuit;
The transmission assembly comprises an outer transmission device, a pressure device, an inner transmission device and a transmission rod, the outer transmission device is located in the mechanism chamber, the outer transmission device is used for abutting against the cam, the pressure device is located in the mechanism chamber, the pressure device is connected with the outer transmission device, the inner transmission device is located in the air box chamber and connected with the execution device, one end of the transmission rod is connected with the pressure device, and the other end of the transmission rod penetrates through the partition plate and is connected with the inner transmission device.
Compared with the prior art, the technical scheme provided by the invention has the beneficial effects that: the pressure device is arranged in the mechanism chamber, and meanwhile, the pressure device is used as a connecting interface of the outer transmission device and the inner transmission device, so that the modularization level of the transmission mechanism is improved, and when part of parts in the outer transmission device need to be replaced or the outer transmission device needs to be debugged, the outer transmission device can be taken out only by disconnecting the pressure device from the inner transmission device; in addition, the outer transmission device adopts a structure with double main shafts and double crank arms, and compared with the traditional structure with single main shaft and single crank arm, the structure with double main shafts and double crank arms can ensure better stability of the device in the transmission process.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a transmission mechanism of a 40.5kV gas-filled cabinet provided by the invention;
FIG. 2 is a schematic diagram of the construction of the pressure device of FIG. 1;
FIG. 3 is a schematic view of the seal of FIG. 1;
in the figure: 1-cabinet body, 2-input assembly, 3-execution device, 5-sealing device, 11-partition plate, 12-air box chamber, 13-mechanism chamber, 21-input shaft, 22-cam, 41-outer transmission device, 411-first transmission shaft, 412-second transmission shaft, 413-first crank arm, 414-second crank arm, 415-first connecting plate, 416-second connecting plate, 42-pressure device, 421-pressure rod, 4211-raised head, 422-adjusting nut, 423-ring pad, 424-pressure spring, 425-limiting sleeve, 4251-limiting groove, 43-inner transmission device, 431-third transmission shaft, 432-third crank arm, 433-first connecting rod, 434-second connecting rod, 44-transmission rod, 51-sealing sleeve, 511-mounting hole, 52-first O-ring, 53-second O-ring.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a transmission mechanism of a 40.5kV gas-filled cabinet, which includes a cabinet body 1, an input assembly 2, an actuating device 3 and a transmission assembly.
Referring to fig. 1, the cabinet body 1 has a closed accommodating cavity, and a partition plate 11 is disposed in the accommodating cavity to divide the accommodating cavity into an air box chamber 12 and a mechanism chamber 13 which are not communicated with each other.
Referring to fig. 1, the input assembly 2 is located in the mechanism chamber 13, the input assembly 2 includes an input shaft 21 and a cam 22, the input shaft 21 is rotatably connected to the cabinet 1, and the cam 22 is sleeved on the input shaft 21 and is fixedly connected to the input shaft 21.
referring to fig. 1, the actuating device 3 is disposed in the air box 12 and is used for switching on and off the circuit.
Referring to fig. 1, the transmission assembly includes an outer transmission device 41, a pressure device 42, an inner transmission device 43, and a transmission rod 44, the outer transmission device 41 is located in the mechanism chamber 13, the outer transmission device 41 is used for abutting against the cam 22, the pressure device 42 is located in the mechanism chamber 13, the pressure device 42 is connected to the outer transmission device 41, the inner transmission device 43 is located in the air tank chamber 12 and connected to the actuator 3, one end of the transmission rod 44 is connected to the pressure device 42, and the other end of the transmission rod 44 passes through the partition 11 and is connected to the inner transmission device 43.
The invention provides a working process of a transmission mechanism of a 40.5kV gas-filled cabinet, which comprises the following steps: the external device drives the input shaft 21 to rotate anticlockwise, the input shaft 21 drives the cam 22 to rotate anticlockwise, the cam 22 drives the outer transmission device 41 to move, the outer transmission device 41 drives the pressure device 42 to move, the pressure device 42 drives the transmission rod 44 to move, the transmission rod 44 drives the inner transmission device 43 to move, and the inner transmission device 43 acts on the execution device 3 to close the circuit.
Specifically, referring to fig. 1, the external transmission device 41 includes a first transmission shaft 411, a second transmission shaft 412, a first crank 413, a second crank 414, a first link 415, and a second link 416. The first transmission shaft 411 and the second transmission shaft 412 are arranged in parallel and are both connected with the cabinet body 1 in a rotating manner. Preferably, the first transmission shaft 411 and the second transmission shaft 412 are spline shafts. The first crank arm 413 is fixed to the first transmission shaft 411, and one end of the first crank arm 413 abuts against the cam 22. The second crank arm 414 is fixed to the second transmission shaft 412. One end of the first link 415 is hinged to the other end of the first crank 413, and the other end of the first link 415 is hinged to one end of the second crank 414. One end of the second connecting plate 416 is hinged to the other end of the second connecting lever 414, and the other end of the second connecting plate 416 is hinged to one end of the pressure device 42.
Specifically, referring to fig. 1, the inner transmission device 43 includes a third transmission shaft 431, a third crank arm 432, a first connecting rod 433 and a second connecting rod 434, and the third transmission shaft 431 is parallel to the first transmission shaft 411 and is rotatably connected to the cabinet 1. Preferably, the third transmission shaft 431 is a spline shaft. The third crank arm 432 is fixed to the third transmission shaft 431. One end of the first link 433 is hinged to the transmission rod 44, and the other end of the first link 433 is hinged to one end of the third crank arm 432. One end of the second link 434 is hinged to the other end of the third crank 432, and the other end of the second link 434 is connected to the actuator 3.
Specifically, referring to fig. 1 and 2, the pressure device 42 includes a pressure rod 421, an adjusting nut 422, a ring pad 423, a pressure spring 424, and a limiting sleeve 425, one end of the pressure rod 421 is connected to the outer transmission device 41, and an external thread is disposed on a side wall of the pressure rod 421. The adjusting nut 422 is sleeved on the pressure rod 421, and the adjusting nut 422 is provided with an internal thread matched with the external thread. The ring pad 423 is sleeved on the pressure rod 421 and abuts against the adjusting nut 422. The pressure spring 424 is sleeved on the pressure rod 421 and is abutted against the adjusting nut 422. One end surface of the limiting sleeve 425 is provided with a limiting groove 4251 which extends along the axial direction of the limiting sleeve 425 and is matched with the pressure rod 421, one end of the pressure rod 421, which is far away from the outer transmission device 41, slides and extends into the limiting groove 4251, and one end of the limiting sleeve 425, which is far away from the pressure rod 421, is fixedly connected with the transmission rod 44.
Preferably, in order to prevent the pressure rod 421 from sliding out of the position-limiting sleeve 425, a stop (not labeled in the figures) is annularly arranged at the position of the side wall of the position-limiting groove 4251, and a boss 4211 matched with the stop is arranged at one end of the pressure rod 421, which extends into the position-limiting sleeve 425.
Preferably, in order to improve the modularization level of the device, one end of the limiting sleeve 425 far away from the pressure rod 421 is connected with the transmission rod 44 through threads, and when the outer transmission device 41 needs to be taken out, the limiting sleeve 425 only needs to be screwed out of the transmission rod 44.
Specifically, referring to fig. 1 and 3, a through hole (not shown) is formed in the partition 11, and the through hole is used for the transmission rod 44 to pass through. 40.5kV aerifys cabinet drive mechanism still includes sealing device 5, sealing device 5 includes seal cover 51, first O type circle 52 and second O type circle 53, seal cover 51 ring is established on the lateral wall of through-hole and with baffle 11 fixed connection, seal cover 51 has mounting hole 511, mounting hole 511 is used for supplying transfer line 44 passes. The first O-shaped ring 52 is sleeved on the sealing sleeve 51 and is abutted against the side wall of the through hole. The second O-ring 53 is sleeved on the transmission rod 44 and abuts against the side wall of the mounting hole 511.
Preferably, in order to better protect the actuator 3, the gas chamber 12 is filled with an insulating gas.
For a better understanding of the present invention, the operation of the transmission mechanism of the 40.5kV gas-filled cabinet provided by the present invention is described in detail below with reference to FIGS. 1 to 3: the external device drives the input shaft 21 to rotate counterclockwise, the input shaft 21 drives the cam 22 to rotate counterclockwise, the cam 22 drives the first crank arm 413 to rotate clockwise, the second crank arm 414 rotates counterclockwise under the driving of the first connecting plate 415, and then under the driving of the second connecting plate 416, the pressure device 42 moves towards the air box chamber 12, the transmission rod 44 is pushed to move towards the air box chamber 12, so that the third crank arm 432 is driven to rotate counterclockwise, and then the second connecting rod 434 is driven to move downwards, and the circuit is closed through the executing device 3. It should be noted that: when the circuit is closed, the second link 434 will exert a downward over-travel pressure on the actuator 3 under the action of the pressure device 42, thereby ensuring the reliability of the circuit closure. In addition, the over-travel pressure can be adjusted by adjusting the nut 422 to reach the designed over-travel pressure value.
In summary, the pressure device 42 is arranged in the plenum chamber 12, and the pressure device 42 is used as a connection interface between the inner transmission device 43 and the outer transmission device 41, so that the modularization level of the transmission mechanism is improved, when part of parts in the outer transmission device 41 need to be replaced or the outer transmission device 41 needs to be debugged, the outer transmission device 41 can be taken out only by screwing the limiting sleeve 425 out of the transmission rod 44, so that the maintenance efficiency is greatly improved, and the maintenance cost is reduced; in addition, the outer transmission device 41 adopts a structure of double main shafts and double crank arms, and compared with the traditional structure of a single main shaft and a single crank arm, the structure of the double main shafts and the double crank arms can ensure that the stability of the device is better in the transmission process.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a 40.5kV aerifys cabinet drive mechanism which characterized in that includes: a cabinet body, an input component, an execution device and a transmission component,
The cabinet body is provided with a closed accommodating cavity, and a partition board is arranged in the accommodating cavity to divide the accommodating cavity into an air box chamber and a mechanism chamber which are not communicated with each other;
the input assembly is positioned in the mechanism chamber and comprises an input shaft and a cam, the input shaft is rotatably connected with the cabinet body, and the cam is sleeved on the input shaft and is fixedly connected with the input shaft;
the actuating device is arranged in the air box chamber and is used for closing or opening a circuit;
the transmission assembly comprises an outer transmission device, a pressure device, an inner transmission device and a transmission rod, the outer transmission device is located in the mechanism chamber, the outer transmission device is used for abutting against the cam, the pressure device is located in the mechanism chamber, the pressure device is connected with the outer transmission device, the inner transmission device is located in the air box chamber and connected with the execution device, one end of the transmission rod is connected with the pressure device, and the other end of the transmission rod penetrates through the partition plate and is connected with the inner transmission device.
2. the 40.5kV gas-filled cabinet transmission mechanism of claim 1, wherein the external transmission device comprises a first transmission shaft, a second transmission shaft, a first crank arm, a second crank arm, a first connecting plate and a second connecting plate,
The first transmission shaft and the second transmission shaft are arranged in parallel and are both rotationally connected with the cabinet body;
The first crank arm is fixed on the first transmission shaft, and one end of the first crank arm is abutted to the cam;
the second crank arm is fixed on the second transmission shaft;
one end of the first connecting plate is hinged with the other end of the first connecting lever, and the other end of the first connecting plate is hinged with one end of the second connecting lever;
one end of the second connecting plate is hinged with the other end of the second crank arm, and the other end of the second connecting plate is hinged with one end of the pressure device;
The inner transmission device comprises a third transmission shaft, a third crank arm, a first connecting rod and a second connecting rod,
the third transmission shaft is parallel to the first transmission shaft and is rotationally connected with the cabinet body;
The third crank arm is fixed on the third transmission shaft;
One end of the first connecting rod is hinged with the transmission rod, and the other end of the first connecting rod is hinged with one end of the third crank arm;
one end of the second connecting rod is hinged with the other end of the third crank arm, and the other end of the second connecting rod is connected with the executing device.
3. The transmission mechanism of the 40.5kV gas-filled cabinet according to claim 1, wherein the pressure device comprises a pressure rod, an adjusting nut, a ring cushion, a pressure spring and a stop collar,
One end of the pressure rod is connected with the outer transmission device, and the side wall of the pressure rod is provided with an external thread;
The adjusting nut is sleeved on the pressure rod and provided with an internal thread matched with the external thread;
The ring gasket is sleeved on the pressure rod and is abutted with the adjusting nut;
The pressure spring is sleeved on the pressure rod and is abutted with the adjusting nut;
One end face of the limiting sleeve is provided with a limiting groove which extends along the axial direction of the limiting sleeve and is matched with the pressure rod, one end, far away from the outer transmission device, of the pressure rod slides and extends into the limiting groove, and one end, far away from the limiting sleeve, of the pressure rod is fixedly connected with the transmission rod.
4. The transmission mechanism of the 40.5kV gas-filled cabinet as claimed in claim 3, wherein a stop block is annularly arranged on the side wall of the limit groove at the notch, and a convex head matched with the stop block is arranged at one end of the pressure rod extending into the limit sleeve.
5. The transmission mechanism of the 40.5kV gas-filled cabinet according to claim 3, wherein one end of the limiting sleeve, which is far away from the pressure rod, is in threaded connection with the transmission rod.
6. the transmission mechanism of the 40.5kV gas-filled cabinet according to claim 1, wherein a through hole is formed in the partition plate, and the through hole is used for the transmission rod to pass through;
The transmission mechanism of the 40.5kV gas-filled cabinet also comprises a sealing device, the sealing device comprises a sealing sleeve, a first O-shaped ring and a second O-shaped ring,
The sealing sleeve ring is arranged on the side wall of the through hole and is fixedly connected with the partition plate, the sealing sleeve is provided with a mounting hole, and the mounting hole is used for the transmission rod to pass through;
the first O-shaped ring is sleeved on the sealing sleeve and is abutted against the side wall of the through hole;
the second O-shaped ring is sleeved on the transmission rod and is abutted to the side wall of the mounting hole.
7. the transmission mechanism of 40.5kV gas-filled cabinet according to claim 1, wherein the gas box chamber is filled with insulating gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819666.2A CN110556263B (en) | 2019-08-31 | 2019-08-31 | 40.5KV inflatable cabinet transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819666.2A CN110556263B (en) | 2019-08-31 | 2019-08-31 | 40.5KV inflatable cabinet transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110556263A true CN110556263A (en) | 2019-12-10 |
| CN110556263B CN110556263B (en) | 2024-08-27 |
Family
ID=68738695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910819666.2A Active CN110556263B (en) | 2019-08-31 | 2019-08-31 | 40.5KV inflatable cabinet transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110556263B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5140117A (en) * | 1991-02-28 | 1992-08-18 | Pmc Engineering Company, Inc. | Two-link, trip-free mechanism for use in a switch assembly |
| JPH11182729A (en) * | 1997-11-20 | 1999-07-06 | Kinan So | Timer control structure for gas explosion preventing apparatus |
| US20030012624A1 (en) * | 2001-07-13 | 2003-01-16 | Kinnard David William | Wafer transport apparatus |
| US20080088396A1 (en) * | 2006-10-17 | 2008-04-17 | Ls Industrial Systems Co., Ltd. | Swtiching mechanism for air circuit breaker |
| US20110297515A1 (en) * | 2010-06-07 | 2011-12-08 | Lsis Co., Ltd. | Power transmission apparatus for high voltage load breaker switch |
| CN202258995U (en) * | 2011-10-17 | 2012-05-30 | 常州市明及电气技术开发有限公司 | Interlocking mechanism of inflatable cabinet type vacuum circuit breaker |
| CN205621653U (en) * | 2016-02-29 | 2016-10-05 | 北京合纵科技股份有限公司 | Aerify transmission that looped netowrk cabinet circuit breaker used and aerify looped netowrk cabinet circuit breaker |
| CN207638237U (en) * | 2017-12-29 | 2018-07-20 | 施耐德电器工业公司 | A kind of gas insulation switch cabinet |
| CN207801324U (en) * | 2018-02-02 | 2018-08-31 | 深圳市创亿电力设备有限公司 | A kind of gas-filling cabinet |
| CN207801325U (en) * | 2018-02-02 | 2018-08-31 | 深圳市创亿电力设备有限公司 | A kind of gas-filling cabinet |
| CN109361168A (en) * | 2018-12-13 | 2019-02-19 | 福建中能电气有限公司 | A kind of protective device for gas-filling cabinet |
| CN208521855U (en) * | 2018-07-19 | 2019-02-19 | 珠海天欧电气有限公司 | Circuit breaker for inflating cabinet |
| CN209029787U (en) * | 2018-12-18 | 2019-06-25 | 龙西电气有限公司 | Gas-filling cabinet transmission seal structure |
| CN210607079U (en) * | 2019-08-31 | 2020-05-22 | 武汉倍诺德开关有限公司 | 40.5kV aerifys cabinet drive mechanism |
-
2019
- 2019-08-31 CN CN201910819666.2A patent/CN110556263B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5140117A (en) * | 1991-02-28 | 1992-08-18 | Pmc Engineering Company, Inc. | Two-link, trip-free mechanism for use in a switch assembly |
| JPH11182729A (en) * | 1997-11-20 | 1999-07-06 | Kinan So | Timer control structure for gas explosion preventing apparatus |
| US20030012624A1 (en) * | 2001-07-13 | 2003-01-16 | Kinnard David William | Wafer transport apparatus |
| US20080088396A1 (en) * | 2006-10-17 | 2008-04-17 | Ls Industrial Systems Co., Ltd. | Swtiching mechanism for air circuit breaker |
| US20110297515A1 (en) * | 2010-06-07 | 2011-12-08 | Lsis Co., Ltd. | Power transmission apparatus for high voltage load breaker switch |
| CN202258995U (en) * | 2011-10-17 | 2012-05-30 | 常州市明及电气技术开发有限公司 | Interlocking mechanism of inflatable cabinet type vacuum circuit breaker |
| CN205621653U (en) * | 2016-02-29 | 2016-10-05 | 北京合纵科技股份有限公司 | Aerify transmission that looped netowrk cabinet circuit breaker used and aerify looped netowrk cabinet circuit breaker |
| CN207638237U (en) * | 2017-12-29 | 2018-07-20 | 施耐德电器工业公司 | A kind of gas insulation switch cabinet |
| CN207801324U (en) * | 2018-02-02 | 2018-08-31 | 深圳市创亿电力设备有限公司 | A kind of gas-filling cabinet |
| CN207801325U (en) * | 2018-02-02 | 2018-08-31 | 深圳市创亿电力设备有限公司 | A kind of gas-filling cabinet |
| CN208521855U (en) * | 2018-07-19 | 2019-02-19 | 珠海天欧电气有限公司 | Circuit breaker for inflating cabinet |
| CN109361168A (en) * | 2018-12-13 | 2019-02-19 | 福建中能电气有限公司 | A kind of protective device for gas-filling cabinet |
| CN209029787U (en) * | 2018-12-18 | 2019-06-25 | 龙西电气有限公司 | Gas-filling cabinet transmission seal structure |
| CN210607079U (en) * | 2019-08-31 | 2020-05-22 | 武汉倍诺德开关有限公司 | 40.5kV aerifys cabinet drive mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110556263B (en) | 2024-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203707049U (en) | Auxiliary member for circuit breaker | |
| CN107068470A (en) | A kind of double-fracture disconnecting switch that there is ground connection to link | |
| CN106356241B (en) | A kind of high stability high-pressure vacuum breaker | |
| WO2016023284A1 (en) | Combined solid-sealed pole and working principle thereof | |
| CN210607079U (en) | 40.5kV aerifys cabinet drive mechanism | |
| CN110556263A (en) | 40.5kV aerifys cabinet drive mechanism | |
| CN103531410B (en) | Double movement high voltage SF6 isolating switch self-energy extinguishing chamber | |
| CN216121533U (en) | Isolation knife type three-station circuit breaker all-in-one machine | |
| CN111554534A (en) | Quick-closing high-voltage isolating switch | |
| CN206992007U (en) | 35KV vacuum high-voltage circuit breaker with VSH small-sized modular spring operating mechanism | |
| CN203312207U (en) | Electronic spring operation mechanism | |
| CN210272170U (en) | Auxiliary arc extinguishing device for 800kV external grounding switch | |
| CN204577305U (en) | A kind of isolating switch | |
| CN110047665B (en) | Automatic control method applied to safe connection of high-voltage circuit | |
| CN210142615U (en) | Three-phase transmission device of circuit breaker | |
| CN219892129U (en) | Transmission device suitable for indoor high-voltage inflatable cabinet circuit breaker | |
| CN209607678U (en) | A kind of 10kV pole-mounted circuit breaker | |
| CN208723432U (en) | A kind of packet type switch electric appliance | |
| CN207233652U (en) | Vacuum circuit breaker force-reducing device | |
| US1901679A (en) | Gas blast circuit breaker | |
| CN110544597A (en) | auxiliary arc extinguishing device for 800kV external grounding switch and use method | |
| CN112038968A (en) | Isolation knife type three-station circuit breaker all-in-one machine | |
| CN116487233A (en) | Transmission device suitable for indoor high-voltage inflatable cabinet circuit breaker | |
| CN2927308Y (en) | Outdoor high-voltage vacuum breaker | |
| CN204067157U (en) | Locomotive swing-in high voltage isolator |
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 |