CN215933461U - Three-station mechanism for gas insulation - Google Patents
Three-station mechanism for gas insulation Download PDFInfo
- Publication number
- CN215933461U CN215933461U CN202121612400.XU CN202121612400U CN215933461U CN 215933461 U CN215933461 U CN 215933461U CN 202121612400 U CN202121612400 U CN 202121612400U CN 215933461 U CN215933461 U CN 215933461U
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- transmission
- plate
- mechanism plate
- gear
- gas insulation
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- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
- Transmission Devices (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a three-station mechanism for gas insulation, which comprises a rack and a control device, wherein the control device is arranged on the rack, the control device comprises an electric operation assembly, a manual operation assembly and a transmission mechanism, the electric operation assembly or the manual operation assembly controls the state of a three-station switch through the transmission mechanism, the three-station switch integrates the manual operation and the electric operation into a whole to meet different operation requirements, and the manual or electric operation transmission shaft and a transmission screw directly transmit power to a main loop of the three-station switch, so that the power loss in an intermediate motion link is reduced, and the power transmission efficiency is improved; the utility model also designs a linkage device which is linked with the auxiliary switch to realize the timely transmission of the electric signals of the three-station mechanism at different positions.
Description
Technical Field
The utility model belongs to the technical field of switch cabinets, and relates to a three-station mechanism for gas insulation.
Background
The three stations of the three-station mechanism are very clear, the middle is an isolation station, the two ends are a closing station and a grounding station respectively, the isolation, closing and grounding states of the load switch can be realized through the operation of the three-station mechanism, and the conventional three-station mechanism is complex in structure, unstable in performance and high in manufacturing cost, so that the structure of the three-station mechanism needs to be improved.
Disclosure of Invention
The utility model provides a three-station mechanism for gas insulation, aiming at overcoming the defects of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme: a three station mechanism for gas insulation which characterized in that: the device comprises a rack and a control device, wherein the control device is arranged on the rack and comprises an electric operation assembly, a manual operation assembly and a transmission mechanism, and the electric operation assembly or the manual operation assembly controls the state of a three-position switch through the transmission mechanism.
Further, the method comprises the following steps of; the rack comprises a first mechanism plate and a second mechanism plate, the first mechanism plate and the second mechanism plate are fixedly connected through a rack support, and the first mechanism plate and the second mechanism plate form a first installation cavity.
Further, the method comprises the following steps of; the electric operation assembly comprises a three-station motor, the three-station motor is installed in the first installation cavity and fixedly connected with the second mechanism plate, an output shaft of the three-station motor penetrates through the second mechanism plate in a rotating mode, and an output shaft located on the outer side of the second mechanism plate is connected with the transmission mechanism.
Further, the method comprises the following steps of; the transmission mechanism comprises a power assembly and a transmission assembly, the power assembly comprises a transmission shaft and a transmission screw rod, the transmission shaft and the transmission screw rod are rotatably connected with a first mechanism plate and a second mechanism plate, the input end and the output shaft of the transmission shaft are respectively rotated to penetrate through the second mechanism plate and the first mechanism plate, the input end of the transmission screw rod is rotatably penetrated through the second mechanism plate, the output end of the transmission screw rod is rotatably connected with the first mechanism plate, the output end of the transmission shaft is connected with a main loop of a three-position switch, and the input end of the transmission shaft is connected with the transmission assembly.
Further, the method comprises the following steps of; the transmission assembly comprises a transmission gear, a transition gear, an operation gear and a drive gear, the transmission gear, the transition gear, the operation gear and the drive gear are sequentially connected in a pairwise meshing manner, the transmission gear is fixedly arranged on an output shaft of the three-station motor, the transition gear is rotatably connected with the second mechanism plate, the operation gear is fixedly connected with an input end of the transmission shaft, and the drive gear is fixedly connected with the transmission screw rod.
Further, the method comprises the following steps of; the manual operation assembly comprises a first operation port and a second operation port, the first operation port is fixedly arranged at the input end of the transmission screw or is in an integrated structure with the transmission screw, the second operation port is fixedly arranged at the input end of the transmission shaft or is in an integrated structure with the transmission shaft, and the opening and closing operation and the grounding operation of the three-position switch are controlled by driving the transmission shaft or the transmission screw to rotate through manual operation.
Further, the method comprises the following steps of; the selection device comprises a selection plate, the selection plate is in sliding connection with the second mechanism plate, a first operation hole and a second operation hole are further formed in the selection plate, the first operation hole and the second operation hole are located on the same horizontal plane as the first operation port and the second operation port, the center distance between the first operation hole and the second operation hole is larger than the center distance between the first operation port and the second operation port, and the first operation port and the second operation port are located between the first operation hole and the second operation hole.
Further, the method comprises the following steps of; and the selector plate is fixedly provided with a deflector rod, and the deflector rod is manually operated to enable the selector plate to move to control the position of the first operation hole to be opposite to the position of the first operation port or control the position of the second operation hole to be opposite to the position of the second operation port.
Further, the method comprises the following steps of; the linkage device is linked with the transmission mechanism and comprises a sliding block, the sliding block is connected with the transmission shaft in a sliding mode and is in threaded connection with the transmission lead screw, a push rod is fixedly arranged on the sliding block and is linked with the auxiliary device, and the auxiliary device outputs electric signals of the positions of the three-station mechanism.
Further, the method comprises the following steps of; the second mechanism plate is fixedly connected with a kidney-shaped hole in a sliding mode, and the selection plate is fixedly provided with a baffle guide rod and a leaf spring deflector rod which are connected with the kidney-shaped hole in a sliding mode, so that the sliding direction of the selection plate is limited.
In conclusion, the utility model has the advantages that:
the three-position switch integrates manual operation and electric operation, meets different operation requirements, and the transmission shaft and the transmission screw rod which are manually or electrically operated directly transmit power to a main loop of the three-position switch, so that the power loss in an intermediate motion link is reduced, and the power transmission efficiency is improved; the utility model also designs a linkage device which is linked with the auxiliary switch through the linkage device to realize the timely transmission of the electric signals of the three-station mechanism when the three-station mechanism is positioned at different positions; the utility model selects the manual operation mode and the electric operation mode through the design selection device, namely, the electric operation can not be carried out during the manual operation, and the manual operation can not be carried out during the electric operation, thereby improving the safety.
Drawings
FIG. 1 is a schematic view of an operating apparatus of the present invention.
FIG. 2 is a schematic view of a three-position mechanism of the present invention with the indicator panel removed.
Fig. 3 is a schematic view of the installation of the transmission assembly of the present invention.
FIG. 4 is a schematic view of a selector plate of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
All directional indicators (such as up, down, left, right, front, rear, lateral, longitudinal … …) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, etc. in a particular posture, and if the particular posture is changed, the directional indicator is changed accordingly.
The first embodiment is as follows:
as shown in fig. 1 to 4, a three-position mechanism for gas insulation includes a frame 310 and a control device 312, where the control device 312 includes an electric operating component, a manual operating component and a transmission mechanism, and the electric operating component or the manual operating component controls the state of a three-position switch through controlling the transmission component.
The frame 310 includes a first mechanism plate 3101 and a second mechanism plate 3102, the first mechanism plate 3101 and the second mechanism plate 3102 are fixedly connected by a frame column 3103, the first mechanism plate 3101 and the second mechanism plate 3102 form a first mounting cavity, in this embodiment, the first mechanism plate 3101 and the second mechanism plate 3102 are arranged in parallel.
The electric operation assembly comprises a three-station motor 3121, the three-station motor 3121 is installed in the first installation cavity and fixedly connected with the second mechanism plate 3102, an output shaft of the three-station motor 3121 rotatably penetrates through the second mechanism plate 3102, an output shaft positioned on the outer side of the second mechanism plate 3102 is connected with a transmission mechanism, and power is transmitted through the transmission mechanism to realize the switching-on and switching-off operation of the three-station switch.
The transmission mechanism comprises a power assembly and a transmission assembly, the power assembly comprises a transmission shaft 3145 and a transmission screw rod 3146, the transmission shaft 3145 and the transmission screw rod 3146 are rotatably connected with a first mechanism plate 3101 and a second mechanism plate 3102, the input end and the output end of the transmission shaft 3145 are respectively rotatably penetrated through the second mechanism plate 3102 and the first mechanism plate 3101, the input end of the transmission screw rod 3146 is rotatably penetrated through the second mechanism plate 3102, the output end of the transmission screw rod 3146 is rotatably connected with the first mechanism plate 3101, the output end of the transmission shaft 3145 is connected with a main loop of the three-position switch, the input end of the transmission shaft 3145 is connected with the transmission assembly, the transmission shaft 3145 receives power transmitted by the transmission assembly and transmits the power to the main loop of the three-position switch, and the switching-on and switching-off operation of the three-position switch is realized.
The transmission assembly is positioned outside the second mechanism plate 3102 and comprises a transmission gear 3141, a transition gear 3142, an operation gear 3143 and a drive gear 3144, the transmission gear 3141, the transition gear 3142, the operation gear 3143 and the drive gear 3144 are distributed along the transverse direction and are sequentially meshed and connected in pairs, the transmission gear 3141 is fixedly arranged on an output shaft of a three-position motor 3121, the output shaft of the three-position motor 3121 drives the transmission gear 3141 to rotate, the transition gear 3142 is rotatably connected with the second mechanism plate 3102, the operation gear 3143 is fixedly connected with an input end of a transmission shaft 3145, the operation gear 3143 rotates to drive the transmission shaft 3145 to rotate, so as to realize the power input of the transmission screw 3145, the drive gear 3144 is fixedly connected with the transmission screw 3146, the drive gear 3144 rotates to drive the transmission screw 3146 to rotate, so as to realize the power input of the transmission screw 3146, specifically, the three-position motor 3121 is started to drive the transmission gear 3141 to rotate, the transmission gear 3141 drives the transition gear 3142 to rotate, the transition gear 3142 drives the operating gear 3143 to rotate, the operating gear 3143 drives the driving gear 3144 to rotate, the transmission shaft 3145 transmits power to a main loop of the three-position switch, and the opening and closing operation of the three-position switch is electrically controlled through the above.
In this embodiment, the three-position switch integrates manual operation and electric operation, the manual operation assembly includes a first operation port 315 and a second operation port 316, the first operation port 315 is fixedly disposed at an input end of the transmission screw 3146 or integrally formed with the transmission screw 3146, the second operation port 316 is fixedly disposed at an input end of the transmission shaft 3145 or integrally formed with the transmission shaft 3145, the transmission shaft 3145 or the transmission screw 3146 is directly driven to rotate by manual operation, and switching on/off and grounding operations of the three-position switch are realized.
In the embodiment, the linear transmission is performed through the transmission shaft 3145 and the transmission lead screw 3146, so that the motion transmission efficiency is improved.
To achieve the purpose, the three-position switch comprises a selection device, the selection device comprises a selection plate 3171, the selection plate 3171 is positioned outside the second mechanism plate 3102 and is in sliding connection with the second mechanism plate 3102, specifically, a waist-shaped hole (not shown) is fixedly connected and fixed on the second mechanism plate 3102 in a sliding connection manner, a baffle guide rod 3173 and a leaf spring shifting rod 3174 which are in sliding connection with the waist-shaped hole are fixedly arranged on the selection plate 3171, the sliding direction of the selection plate 3171 is limited, a first operation hole 3174 and a second operation hole 3175 are further arranged on the selection plate 3171, the first operation hole 3174 and the second operation hole 3175 are positioned on the same horizontal plane with the first operation port 315 and the second operation port 316, and the center distance between the first operation hole 3174 and the second operation hole 3175 is larger than the center distance between the first operation port 315 and the second operation port 316, the first operation port 315 and the second operation port 316 are located between the first operation hole 3174 and the second operation hole 3175, the selection plate 3171 is further fixedly provided with a shift lever 3172, and the shift lever 3172 is manually moved to drive the selection plate 3171 to move right to enable the first operation hole 3174 to be opposite to the first operation port 315, and at this time, the transmission screw 3146 is manually operated, or the selection plate 3171 is driven to move left to enable the second operation hole 3175 to be opposite to the second operation port 316, and at this time, the transmission shaft 3145 is manually operated.
The three-station mechanism further comprises a linkage device, the control device 312 is linked with the auxiliary device through the linkage device, the linkage device transmits the movement of the control device 312 to the auxiliary device, linkage of the auxiliary device is achieved, and therefore the electric signals of the position of the three-station mechanism are output.
The linkage device comprises a sliding block 3121, the sliding block 3121 is in sliding connection with a transmission shaft 3145 and is in threaded connection with a transmission lead screw 3146, the transmission lead screw 3146 rotates to drive the sliding block 3121 to slide along the direction of the transmission shaft 3145, a push rod 3122 is fixedly arranged on the sliding block 3121, the push rod 3122 moves along with the sliding block 3121, and power is transmitted to the auxiliary device when the push rod 3122 moves.
The three-station mechanism 31 further includes an indicator plate 300, the indicator plate 300 is located outside the selector plate 3171 and fixedly connected to the second mechanism plate 3102, an indicator through hole 3001, a first indicator operation hole 3002 and a second indicator operation hole 3003 are fixedly disposed on the indicator plate 300, the first indicator operation hole 3002 and the second indicator operation hole 3003 are respectively opposite to the first operation port 315 and the second operation port 316, the shift lever 3172 penetrates through the indicator through hole 3001, and the indicator plate 300 is provided with a three-station operation indicator.
It is to be understood that the described embodiments are merely a few embodiments of the utility model, 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.
Claims (10)
1. A three station mechanism for gas insulation which characterized in that: the device comprises a rack and a control device, wherein the control device is arranged on the rack and comprises an electric operation assembly, a manual operation assembly and a transmission mechanism, and the electric operation assembly or the manual operation assembly controls the state of a three-position switch through the transmission mechanism.
2. A three-position mechanism for gas insulation according to claim 1, characterized in that: the rack comprises a first mechanism plate and a second mechanism plate, the first mechanism plate and the second mechanism plate are fixedly connected through a rack support, and the first mechanism plate and the second mechanism plate form a first installation cavity.
3. A three-position mechanism for gas insulation according to claim 2, characterized in that: the electric operation assembly comprises a three-station motor, the three-station motor is installed in the first installation cavity and fixedly connected with the second mechanism plate, an output shaft of the three-station motor penetrates through the second mechanism plate in a rotating mode, and an output shaft located on the outer side of the second mechanism plate is connected with the transmission mechanism.
4. A three-position mechanism for gas insulation according to claim 2, characterized in that: the transmission mechanism comprises a power assembly and a transmission assembly, the power assembly comprises a transmission shaft and a transmission screw rod, the transmission shaft and the transmission screw rod are rotatably connected with a first mechanism plate and a second mechanism plate, the input end and the output shaft of the transmission shaft are respectively rotated to penetrate through the second mechanism plate and the first mechanism plate, the input end of the transmission screw rod is rotatably penetrated through the second mechanism plate, the output end of the transmission screw rod is rotatably connected with the first mechanism plate, the output end of the transmission shaft is connected with a main loop of a three-position switch, and the input end of the transmission shaft is connected with the transmission assembly.
5. A three-position mechanism for gas insulation according to claim 4, characterized in that: the transmission assembly comprises a transmission gear, a transition gear, an operation gear and a drive gear, the transmission gear, the transition gear, the operation gear and the drive gear are sequentially connected in a pairwise meshing manner, the transmission gear is fixedly arranged on an output shaft of the three-station motor, the transition gear is rotatably connected with the second mechanism plate, the operation gear is fixedly connected with an input end of the transmission shaft, and the drive gear is fixedly connected with the transmission screw rod.
6. A three-position mechanism for gas insulation according to claim 4, characterized in that: the manual operation assembly comprises a first operation port and a second operation port, the first operation port is fixedly arranged at the input end of the transmission screw or is in an integrated structure with the transmission screw, the second operation port is fixedly arranged at the input end of the transmission shaft or is in an integrated structure with the transmission shaft, and the opening and closing operation and the grounding operation of the three-position switch are controlled by driving the transmission shaft or the transmission screw to rotate through manual operation.
7. A three-position mechanism for gas insulation according to claim 6, characterized in that: the selection device comprises a selection plate, the selection plate is in sliding connection with the second mechanism plate, a first operation hole and a second operation hole are further formed in the selection plate, the first operation hole and the second operation hole are located on the same horizontal plane as the first operation port and the second operation port, the center distance between the first operation hole and the second operation hole is larger than the center distance between the first operation port and the second operation port, and the first operation port and the second operation port are located between the first operation hole and the second operation hole.
8. A three-position mechanism for gas insulation according to claim 7, characterized in that: and the selector plate is fixedly provided with a deflector rod, and the deflector rod is manually operated to enable the selector plate to move to control the position of the first operation hole to be opposite to the position of the first operation port or control the position of the second operation hole to be opposite to the position of the second operation port.
9. A three-position mechanism for gas insulation according to claim 4, characterized in that: the linkage device is linked with the transmission mechanism and comprises a sliding block, the sliding block is connected with the transmission shaft in a sliding mode and is in threaded connection with the transmission lead screw, a push rod is fixedly arranged on the sliding block and is linked with the auxiliary device, and the auxiliary device outputs electric signals of the positions of the three-station mechanism.
10. A three-position mechanism for gas insulation according to claim 7, characterized in that: the second mechanism plate is fixedly connected with a kidney-shaped hole in a sliding mode, and the selection plate is fixedly provided with a baffle guide rod and a leaf spring deflector rod which are connected with the kidney-shaped hole in a sliding mode, so that the sliding direction of the selection plate is limited.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110586497 | 2021-05-27 | ||
| CN202110586497X | 2021-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215933461U true CN215933461U (en) | 2022-03-01 |
Family
ID=78103271
Family Applications (12)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110802782.0A Pending CN113571375A (en) | 2021-05-27 | 2021-07-15 | Operating device of gas insulation switch cabinet |
| CN202110802871.5A Pending CN113572075A (en) | 2021-05-27 | 2021-07-15 | Gas insulation switch cabinet |
| CN202121611904.XU Active CN215644280U (en) | 2021-05-27 | 2021-07-15 | Vacuum circuit breaker for gas insulation |
| CN202121609896.5U Active CN215933472U (en) | 2021-05-27 | 2021-07-15 | Interlocking device for preventing live-wire operation of three-position switch |
| CN202121612400.XU Active CN215933461U (en) | 2021-05-27 | 2021-07-15 | Three-station mechanism for gas insulation |
| CN202110801499.6A Pending CN113571372A (en) | 2021-05-27 | 2021-07-15 | Three-station mechanism for gas insulation |
| CN202121610336.1U Active CN215934285U (en) | 2021-05-27 | 2021-07-15 | Sealing device for gas insulation |
| CN202121612976.6U Active CN215934280U (en) | 2021-05-27 | 2021-07-15 | Gas insulation switch cabinet |
| CN202121611386.1U Active CN215644169U (en) | 2021-05-27 | 2021-07-15 | Auxiliary device for electric auxiliary switch |
| CN202110801202.6A Pending CN113555252A (en) | 2021-05-27 | 2021-07-15 | Vacuum circuit breaker for gas insulation |
| CN202121610606.9U Active CN215934279U (en) | 2021-05-27 | 2021-07-15 | Dynamic sealing device for gas insulation |
| CN202121612866.XU Active CN215933476U (en) | 2021-05-27 | 2021-07-15 | Operating device of gas insulation switch cabinet |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110802782.0A Pending CN113571375A (en) | 2021-05-27 | 2021-07-15 | Operating device of gas insulation switch cabinet |
| CN202110802871.5A Pending CN113572075A (en) | 2021-05-27 | 2021-07-15 | Gas insulation switch cabinet |
| CN202121611904.XU Active CN215644280U (en) | 2021-05-27 | 2021-07-15 | Vacuum circuit breaker for gas insulation |
| CN202121609896.5U Active CN215933472U (en) | 2021-05-27 | 2021-07-15 | Interlocking device for preventing live-wire operation of three-position switch |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110801499.6A Pending CN113571372A (en) | 2021-05-27 | 2021-07-15 | Three-station mechanism for gas insulation |
| CN202121610336.1U Active CN215934285U (en) | 2021-05-27 | 2021-07-15 | Sealing device for gas insulation |
| CN202121612976.6U Active CN215934280U (en) | 2021-05-27 | 2021-07-15 | Gas insulation switch cabinet |
| CN202121611386.1U Active CN215644169U (en) | 2021-05-27 | 2021-07-15 | Auxiliary device for electric auxiliary switch |
| CN202110801202.6A Pending CN113555252A (en) | 2021-05-27 | 2021-07-15 | Vacuum circuit breaker for gas insulation |
| CN202121610606.9U Active CN215934279U (en) | 2021-05-27 | 2021-07-15 | Dynamic sealing device for gas insulation |
| CN202121612866.XU Active CN215933476U (en) | 2021-05-27 | 2021-07-15 | Operating device of gas insulation switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (12) | CN113571375A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114420476A (en) * | 2021-12-21 | 2022-04-29 | 河南平高通用电气有限公司 | Outdoor three-position switch operating mechanism |
| CN115837981A (en) * | 2023-02-16 | 2023-03-24 | 中国空气动力研究与发展中心空天技术研究所 | Waterproof sealed cabin for cross-medium aircraft |
-
2021
- 2021-07-15 CN CN202110802782.0A patent/CN113571375A/en active Pending
- 2021-07-15 CN CN202110802871.5A patent/CN113572075A/en active Pending
- 2021-07-15 CN CN202121611904.XU patent/CN215644280U/en active Active
- 2021-07-15 CN CN202121609896.5U patent/CN215933472U/en active Active
- 2021-07-15 CN CN202121612400.XU patent/CN215933461U/en active Active
- 2021-07-15 CN CN202110801499.6A patent/CN113571372A/en active Pending
- 2021-07-15 CN CN202121610336.1U patent/CN215934285U/en active Active
- 2021-07-15 CN CN202121612976.6U patent/CN215934280U/en active Active
- 2021-07-15 CN CN202121611386.1U patent/CN215644169U/en active Active
- 2021-07-15 CN CN202110801202.6A patent/CN113555252A/en active Pending
- 2021-07-15 CN CN202121610606.9U patent/CN215934279U/en active Active
- 2021-07-15 CN CN202121612866.XU patent/CN215933476U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN215934280U (en) | 2022-03-01 |
| CN215933472U (en) | 2022-03-01 |
| CN113555252A (en) | 2021-10-26 |
| CN215644280U (en) | 2022-01-25 |
| CN215933476U (en) | 2022-03-01 |
| CN215644169U (en) | 2022-01-25 |
| CN113572075A (en) | 2021-10-29 |
| CN113571372A (en) | 2021-10-29 |
| CN215934279U (en) | 2022-03-01 |
| CN113571375A (en) | 2021-10-29 |
| CN215934285U (en) | 2022-03-01 |
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