CN210865978U - Interlocking device of circuit breaker mechanism and three-station operating mechanism - Google Patents
Interlocking device of circuit breaker mechanism and three-station operating mechanism Download PDFInfo
- Publication number
- CN210865978U CN210865978U CN201922250866.9U CN201922250866U CN210865978U CN 210865978 U CN210865978 U CN 210865978U CN 201922250866 U CN201922250866 U CN 201922250866U CN 210865978 U CN210865978 U CN 210865978U
- Authority
- CN
- China
- Prior art keywords
- operating mechanism
- cam
- grounding
- circuit breaker
- station operating
- 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
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 82
- 238000002955 isolation Methods 0.000 claims description 34
- 238000004146 energy storage Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to an interlocking device of a circuit breaker mechanism and a three-station operating mechanism, which comprises the circuit breaker mechanism and the three-station operating mechanism which are arranged side by side, a slidable interlocking plate is arranged between the two mechanisms, the three-station operating mechanism comprises a cam, an isolating switch driving shaft and a grounding switch driving shaft which are in linkage fit with an isolating grounding main shaft, the rear end of the interlocking plate is arranged in a fitting way with the outer wall of the cam, the cam is provided with a grounding and isolating middle position limiting shaft, the isolating switch driving shaft and the grounding switch driving shaft are respectively provided with a limiting part, the grounding and isolating middle position limiting shaft is respectively arranged with two limiting parts when the three-station operating mechanism is in an isolating and grounding isolating state, the two parts which are arranged side by side are utilized, the interlocking fit can be completed by simply utilizing one part, in addition, the cam is arranged into a, the number of parts of the three-station operating mechanism is greatly simplified, fault points are reduced, and reliability is improved.
Description
Technical Field
The utility model relates to a vacuum circuit breaker field, concretely relates to breaker mechanism and three station operating device's interlock.
Background
The vacuum circuit breaker is suitable for distribution systems such as box-type substations, urban public substations, factory power distribution and the like, is complex in structure, generally comprises a circuit breaker and an isolation knife group switch, is used for closing a switch-on circuit and opening a switch-off circuit, is arranged in a vacuum arc extinguishing chamber, is not easy to generate electric arcs when the contacts are closed or opened, and is high in safety performance. The isolation switch group has the function of establishing a reliable insulation gap and separating lines by an obvious disconnection point so as to ensure the safety of operators and equipment. When the vacuum circuit breaker is operated to open the switch, the circuit breaker needs to be operated to open the switch firstly, then the isolation knife group switch needs to be operated to open the switch, and when the vacuum circuit breaker is operated to close the switch, the isolation knife group switch needs to be operated to close the switch firstly, and then the circuit breaker needs to be operated to close the switch.
When the breaker is operated to switch on, if the isolation knife group switch is not completely switched on, then when the breaker is switched on, the position of the isolation knife group switch which is not completely switched on can generate electric arcs, and the electric arcs not only damage equipment, but also bring great potential safety hazards. In reality, no matter the defects of certain high-voltage vacuum circuit breaker products or errors caused during operation of workers, the isolation knife group switch can be caused to be accidentally conducted, and equipment is damaged or danger is caused.
Most of the interlocking mechanisms of the existing circuit breakers are complex in structure and complex to operate.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a breaker mechanism and three station operating device's interlock.
In order to achieve the above purpose, the utility model provides a following technical scheme: an interlocking device of a circuit breaker mechanism and a three-station operating mechanism comprises the circuit breaker mechanism and the three-station operating mechanism which are arranged side by side, a slidable interlocking plate is arranged between the circuit breaker mechanism and the three-station operating mechanism, the interlocking plate is provided with a first position which is driven by the three-station operating mechanism to limit the closing path of the breaker mechanism and a second position which is reset to release the limitation on the closing path of the breaker mechanism, the three-station operating mechanism comprises a cam, an isolating switch driving shaft and a grounding switch driving shaft which are in linkage fit with the isolating grounding main shaft, the rear end of the interlocking plate is attached to the outer wall of the cam, and can be switched between a first position and a second position along with the rotation of the cam, the cam is provided with a grounding and isolating middle position limiting shaft, the isolating switch driving shaft and the grounding switch driving shaft are respectively provided with a limiting part, and the grounding and isolating middle position limiting shaft is respectively in limiting arrangement with the two limiting parts when the three-station operating mechanism is in an isolating state and a grounding state.
Three station operating device include two mounting panels, and two mounting panels pass through support column fixed connection and constitute upper, middle and lower three space, two mounting panel settings are passed in proper order to isolator drive shaft, earthing switch drive shaft and isolation earthing main shaft, the cam sets up energy storage mechanism in the upper space, and the space sets up actuating mechanism down.
Travel switches are arranged on the upper side and the lower side of the cam and are located on the rotating path of the cam.
The interlocking plate comprises a sliding part and a limiting part arranged at the front end of the sliding part, and the rear end of the sliding part is attached to the outer wall of the cam.
The sliding part is provided with a sliding chute.
The three-station operating mechanism is also provided with an isolation interlocking plate, and the isolation interlocking plate is in linkage fit with an auxiliary switch of the circuit breaker operating mechanism.
The isolation grounding main shaft is linked with the isolation pull rod mechanism through a bevel gear.
The utility model has the advantages that: the cam is arranged to integrate three functions of position indication, neutral position limitation and interlocking fit, the number of parts of the three-station operating mechanism is greatly simplified, fault points are reduced, and reliability is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic structural diagram of the three-position operating mechanism of the present invention.
Fig. 4 is a front view of the three-position operating mechanism of the present invention.
Fig. 5 is a rear view of the three-position operating mechanism of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides an interlocking device of circuit breaker mechanism and three-station operating device, it includes circuit breaker mechanism 1 and three-station operating device 2 that set up side by side, but be equipped with gliding interlocking plate 3 between the two, interlocking plate 3 has and is driven the first position of restriction circuit breaker mechanism closing path and resets and removes the second position to the restriction of circuit breaker mechanism closing path by three-station operating device, three-station operating device 2 includes isolation earthing main shaft 21 linkage complex cam 27, isolator drive shaft 25 and earthing switch drive shaft 26, the rear end of interlocking plate 3 sets up with the outer wall laminating of cam 27, and can carry out the switching of first position and second position along with the cam rotation, be equipped with ground connection and keep apart meso position spacing axle 28 on cam 27, isolator drive shaft 25 and earthing switch drive shaft 26 are equipped with locating part 29 respectively, the grounding and isolating middle position limiting shaft is respectively in limiting arrangement with the two limiting parts when the three-station operating mechanism is in an isolating and grounding state.
The other end of the limiting part linked with the driving shaft of the grounding switch extends to form a linkage part 291 in linkage fit with the cabinet door interlocking mechanism, and the cabinet door interlocking mechanism is in linkage fit with the cabinet door to lock the grounding switch.
Wherein three station operating device include two mounting panels 23, and two mounting panels 23 pass through support column fixed connection and constitute upper, middle and lower three space, isolator drive shaft, earthing switch drive shaft and isolation earthing main shaft pass two mounting panel settings in proper order, the cam sets up in last space, and the cavity sets up energy storage mechanism 22, lower space setting and actuating mechanism.
Wherein energy storage mechanism is through two turning arms and earthing switch drive shaft and isolator drive shaft linkage cooperation, and a certain position in the direction of rotation both sides of turning arm all sets up spacing subassembly, a spacing energy storage for rotate after targetting in place, and actuating mechanism includes and keeps apart earthing main shaft linkage complex arc turning arm 201, the center and the isolation earthing spindle keyed joint of arc turning arm, the both ends of arc turning arm are connected with the drive turning arm of earthing switch drive shaft and isolator drive shaft through connecting rod 202 respectively, this connecting rod is equipped with the spout with the position that both contacted. The cam arranged in the upper space is in linkage fit with the isolation grounding main shaft, the cam is provided with a grounding and isolation middle position limiting shaft, the cam moves along with the rotation of the cam when the isolation switch and the grounding switch are separated, the cam is just positioned on the central lines of the isolation switch and the grounding switch when the isolation switch and the grounding switch are in a separated state, the limiting functions of the upper side and the lower side are achieved and are used as limiting functions of grounding separation and isolation time separation, and meanwhile, the tail end of the interlocking plate is in contact with the cam, so that the interlocking plate can linearly move along with the curve of the outer wall of the cam under the action of a spring or a tension spring, and the interlocking of the opening main shaft of the circuit breaker operating mechanism when the. Compared with the original interlocking mechanism, the interlocking mechanism has a simple structure, can realize multiple functions by using a single part, and greatly simplifies the parts of the three-station operating mechanism.
In addition, travel switches are arranged on the upper side and the lower side of the rotation direction of the cam and are used for separating clutch and grounding connection indication, and the linkage part formed by extending towards one side on the cam is used for triggering.
Meanwhile, the upper end of the isolated grounding main shaft is in linkage fit with the indicating piece 24 and used for indicating the positions of grounding connection and isolation connection and disconnection.
The interlocking plate comprises a sliding part and a limiting part arranged at the front end of the sliding part, and the rear end of the sliding part is attached to the outer wall of the cam. The sliding part is provided with a sliding groove, parts required by an interlocking structure are simplified by utilizing a transverse sliding mode, the cam is directly utilized for interlocking operation, complex structures such as a connecting rod are omitted, and the interlocking reliability can be greatly improved.
The three-station operating mechanism is further provided with an isolation interlocking plate 4, the isolation interlocking plate is used for covering an operating hole of an isolating switch driving shaft, the isolation interlocking plate is in linkage fit with an auxiliary switch of the circuit breaker operating mechanism, and the action of the auxiliary switch is utilized to drive the isolation interlocking plate to act so as to complete the action of closing the operating hole and exposing the operating hole.
The isolation grounding main shaft of the three-station operating mechanism is linked with the isolation pull rod mechanism through a bevel gear, and the isolation pull rod mechanism is driven to act through a single gear.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (7)
1. The utility model provides a circuit breaker mechanism and three station operating device's interlock which characterized in that: which comprises a breaker mechanism and a three-station operating mechanism which are arranged side by side, wherein a slidable interlocking plate is arranged between the breaker mechanism and the three-station operating mechanism, the interlocking plate is provided with a first position which is driven by the three-station operating mechanism to limit the closing path of the breaker mechanism and a second position which is reset to release the limitation on the closing path of the breaker mechanism, the three-station operating mechanism comprises a cam, an isolating switch driving shaft and a grounding switch driving shaft which are in linkage fit with the isolating grounding main shaft, the rear end of the interlocking plate is attached to the outer wall of the cam, and can be switched between a first position and a second position along with the rotation of the cam, the cam is provided with a grounding and isolating middle position limiting shaft, the isolating switch driving shaft and the grounding switch driving shaft are respectively provided with a limiting part, and the grounding and isolating middle position limiting shaft is respectively in limiting arrangement with the two limiting parts when the three-station operating mechanism is in an isolating state and a grounding state.
2. The interlock of a circuit breaker mechanism and a three position operating mechanism according to claim 1 wherein: three station operating device include two mounting panels, and two mounting panels pass through support column fixed connection and constitute upper, middle and lower three space, two mounting panel settings are passed in proper order to isolator drive shaft, earthing switch drive shaft and isolation earthing main shaft, the cam sets up energy storage mechanism in the upper space, and the space sets up actuating mechanism down.
3. The circuit breaker mechanism and three position operating mechanism interlock of claim 2 wherein: travel switches are arranged on the upper side and the lower side of the cam and are located on the rotating path of the cam.
4. The interlock of a circuit breaker mechanism and a three position operating mechanism according to claim 1 wherein: the interlocking plate comprises a sliding part and a limiting part arranged at the front end of the sliding part, and the rear end of the sliding part is attached to the outer wall of the cam.
5. The circuit breaker mechanism and three position operating mechanism interlock of claim 4 wherein: the sliding part is provided with a sliding chute.
6. The interlock of a circuit breaker mechanism and a three position operating mechanism according to claim 1 wherein: the three-station operating mechanism is also provided with an isolation interlocking plate, and the isolation interlocking plate is in linkage fit with an auxiliary switch of the circuit breaker operating mechanism.
7. The interlock of a circuit breaker mechanism and a three position operating mechanism according to claim 1 wherein: the isolation grounding main shaft is linked with the isolation pull rod mechanism through a bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250866.9U CN210865978U (en) | 2019-12-16 | 2019-12-16 | Interlocking device of circuit breaker mechanism and three-station operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250866.9U CN210865978U (en) | 2019-12-16 | 2019-12-16 | Interlocking device of circuit breaker mechanism and three-station operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210865978U true CN210865978U (en) | 2020-06-26 |
Family
ID=71287457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922250866.9U Active CN210865978U (en) | 2019-12-16 | 2019-12-16 | Interlocking device of circuit breaker mechanism and three-station operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210865978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701002A (en) * | 2020-12-14 | 2021-04-23 | 河南平高电气股份有限公司 | Three-station operating mechanism |
-
2019
- 2019-12-16 CN CN201922250866.9U patent/CN210865978U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701002A (en) * | 2020-12-14 | 2021-04-23 | 河南平高电气股份有限公司 | Three-station operating mechanism |
| CN112701002B (en) * | 2020-12-14 | 2023-08-25 | 河南平高电气股份有限公司 | Three-station operating mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206893523U (en) | A kind of double-fracture disconnecting switch with ground connection linkage | |
| CN103367016B (en) | Electrical switchgear, electrical equipment and switch cubicle | |
| EP3407367B1 (en) | 3-way disconnector and earth switch for gas insulated switchgear | |
| EP2892068B1 (en) | Transfer switch appliance | |
| CN201503802U (en) | Indoor combined high-voltage vacuum circuit breaker | |
| CN108155040B (en) | Ring main unit with three-station switch | |
| CN210865978U (en) | Interlocking device of circuit breaker mechanism and three-station operating mechanism | |
| CN216818126U (en) | Five-prevention interlocking mechanism of upper isolation lower circuit breaker switch | |
| US6255615B1 (en) | Multiple contact switch | |
| CN212570823U (en) | Integrated isolating switch with earthing switch | |
| CN211957535U (en) | Transmission mechanism of side-mounted circuit breaker | |
| CN202276065U (en) | Indoor high-voltage alternating current vacuum load switch-fuse combined electric appliance | |
| CN211151318U (en) | High-voltage load switch handcart and high-voltage switch cabinet provided with same | |
| JPH08168125A (en) | Switchgear | |
| CN212032970U (en) | Split type interlocking mechanism of gas charging cabinet | |
| CN111180228B (en) | interlock | |
| CN210778385U (en) | Load switch-fuse combined electrical apparatus | |
| CN110706964B (en) | High-voltage grounding switch, high-voltage electrical appliance box and vacuum circuit breaker grounding method | |
| CN222801638U (en) | A circuit breaker isolating switch interlocking mechanism | |
| CN218602332U (en) | Compact type solid-sealed pole type circuit breaker | |
| CN222562598U (en) | Three-station breaker with five-prevention interlocking | |
| CN218384969U (en) | 10kV dry air load switch | |
| CN115000817B (en) | Ring main unit and its three-position switch | |
| CN102683101A (en) | Centrally-mounted withdrawable vacuum circuit breaker | |
| CN204189700U (en) | A kind of employing connects the three station vacuum switches that busbar realizes load-side external ground |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |