CN215644270U - Three-position switch operating mechanism and indicating device for gas insulation ring main unit - Google Patents
Three-position switch operating mechanism and indicating device for gas insulation ring main unit Download PDFInfo
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- CN215644270U CN215644270U CN202121607253.7U CN202121607253U CN215644270U CN 215644270 U CN215644270 U CN 215644270U CN 202121607253 U CN202121607253 U CN 202121607253U CN 215644270 U CN215644270 U CN 215644270U
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- grounding
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- arc groove
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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
- 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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
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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
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
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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
- H01H33/02—Details
- H01H33/42—Driving mechanisms
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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
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/50—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
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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
- H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
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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
- H02B13/075—Earthing arrangements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
The utility model discloses a three-station switch operating mechanism and an indicating device for a gas insulation ring main unit, which comprise the three-station switch operating mechanism and the indicating device, wherein the three-station switch operating mechanism comprises a three-station mechanism, the three-station mechanism comprises a three-station rack, an isolation output device, an isolation transmission device, a grounding output device, a grounding transmission device, an energy storage device and a cam disc, the indicating device comprises an indicating main shaft and an indicating plate, the indicating main shaft is connected with an insulation main shaft of a three-station switch, the three-position switch operating mechanism is used for displaying the state of a three-position switch, the isolating transmission device and the grounding transmission device are designed to output the opening and closing torque and the grounding torque to the insulating main shaft in a mode of driving the cam disc to rotate, the structure is simple, the operation is convenient, the transmission efficiency is high, the overall structural design of the three-position switch operating mechanism is reasonable and reliable, the stability is high, and the service life is long.
Description
Technical Field
The utility model belongs to the field of environment-friendly gas insulation ring main units, and relates to a three-position switch operating mechanism and an indicating device for a gas insulation ring main unit.
Background
With the continuous progress and improvement of breaking and insulating technologies, environment-friendly gas-insulated metal-enclosed switchgear is developed, the switchgear is mature theoretically and technically, products produced by existing domestic equipment manufacturing enterprises pass type tests and are subjected to net hanging operation, but most of core parts in the current market are environment-friendly, and epoxy resin is used for wrapping charged parts or insulating plates are used for isolating charged bodies, so that the insulating effect is achieved.
The existing three-station operating mechanism is complex in structure, unstable in performance and high in manufacturing cost, so that the three-station structure is isolated by redesigning to adapt to the environment-friendly gas insulated ring main unit, the state of a three-station switch is displayed by an indicating device, the indicating device is generally linked with the three-station operating mechanism, the transmission structure is complex, the transmission efficiency is low, and the technical problem can be solved.
Disclosure of Invention
The utility model provides a three-position switch operating mechanism and an indicating device for a gas insulated ring main unit, aiming at overcoming the defects of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a gas insulation looped netowrk cabinet is with three station switch operating device and indicating device which characterized in that: the three-station switch operating mechanism comprises a three-station mechanism, the three-station mechanism comprises a three-station rack, an isolation output device, an isolation transmission device, a grounding output device, a grounding transmission device, an energy storage device and a cam disc, the indication device comprises an indication main shaft and an indication board, and the indication main shaft is connected with an insulation main shaft of the three-station switch and used for displaying the state of the three-station switch.
Further, the method comprises the following steps of; the three-station rack comprises a first mechanism plate and a second mechanism plate, the first mechanism plate is located at the operation input end of the three-station mechanism, the second mechanism plate is located at the operation output end of the three-station mechanism, and the first mechanism plate and the second mechanism plate are fixedly connected through a three-station support.
Further, the method comprises the following steps of; the isolation output device comprises an isolation output shaft, the input end of the isolation output shaft rotates to penetrate through the first mechanism plate, an isolation cam sleeve is arranged on the input end of the isolation output shaft positioned on the outer side of the first mechanism plate, the grounding output device comprises a grounding output shaft, the input end of the grounding output shaft rotates to penetrate through the first mechanism plate, and a grounding cam sleeve is arranged on the input end of the grounding output shaft positioned on the outer side of the first mechanism plate.
Further, the method comprises the following steps of; energy memory is including keeping apart energy storage turning arm, ground connection energy storage turning arm and energy storage pressure spring, keeps apart the energy storage turning arm and sets firmly keeping apart the output shaft, and the free end of keeping apart the energy storage turning arm is equipped with keeps apart the transmission round pin, and ground connection energy storage turning arm sets firmly at the ground connection output shaft, and the free end of ground connection energy storage turning arm is equipped with the ground connection transmission round pin, and the both ends of energy storage pressure spring are equipped with the pressure spring head, and the pressure spring head rotates with isolation transmission round pin and ground connection transmission round pin respectively to be connected, sets up the energy storage telescopic link between two sets of pressure spring heads.
Further, the method comprises the following steps of; the isolation transmission device comprises an isolation transmission crank arm, the isolation transmission crank arm is rotationally connected with an isolation output shaft, an isolation sliding groove is fixedly arranged on the side edge of the isolation transmission crank arm, an isolation transmission pin is slidably connected with the sliding groove, isolation limiting ends used for limiting the isolation transmission pin are fixedly arranged at two ends of the sliding groove, an isolation transmission rod is fixedly arranged on the isolation transmission crank arm, an isolation arc groove is fixedly arranged on the second mechanism plate, the isolation transmission rod is inserted into the isolation arc groove and is slidably connected with the isolation arc groove, and the isolation transmission rod is linked with the cam disc.
Further, the method comprises the following steps of; the grounding transmission device comprises a grounding transmission crank arm, the grounding transmission crank arm is rotationally connected with a grounding output shaft, a grounding chute is fixedly arranged on the grounding transmission crank arm, a grounding transmission pin is slidably connected with the grounding chute, grounding limiting ends used for limiting the grounding transmission pin are fixedly arranged at two ends of the grounding chute, a grounding transmission rod is further fixedly arranged on the grounding transmission crank arm, a grounding arc groove is fixedly arranged on the second mechanism plate, the grounding transmission rod is inserted into the grounding arc groove and is slidably connected with the grounding arc groove, and the grounding transmission rod is linked with the cam disc.
Further, the method comprises the following steps of; set up the removal arc groove on the cam disc, remove the arc groove including keeping apart arc groove and ground connection arc groove, keep apart arc groove and ground connection arc groove intercommunication, keep apart the transfer line and insert and keep apart the arc groove and with keep apart arc groove sliding connection, the ground connection transfer line inserts ground connection arc groove and with ground connection arc groove sliding connection, the both ends of keeping apart the arc groove set up to first isolation restriction tip and second isolation restriction tip, the both ends of ground connection arc groove set up to first ground connection restriction tip and second ground connection restriction tip, and second isolation restriction tip and first ground connection restriction tip are located the boundary position of keeping apart arc groove and ground connection arc groove, and boundary position is provided with upwards protruding position, and protruding position is used for preventing to keep apart the transfer line and slides to ground connection arc groove and prevent that ground connection transfer line from sliding to keep apart the arc groove.
Further, the method comprises the following steps of; the indicating device further comprises a connecting device used for connecting the indicating device and the insulating main shaft, the connecting device comprises a connecting shaft, a second connecting hole is fixedly formed in one end of the connecting shaft, the indicating main shaft is inserted into the second connecting hole and fixedly connected, a first connecting hole is fixedly formed in the other end of the connecting shaft, and the insulating main shaft is inserted into the first connecting hole and fixedly connected.
Further, the method comprises the following steps of; the interlocking device comprises a hanging plate, an adjusting waist-shaped hole is fixedly formed in the hanging plate, an interlocking column is fixedly arranged on a first mechanism plate, the interlocking column is inserted into the adjusting waist-shaped hole, two ends of the hanging plate are respectively provided with an isolating interlocking hole used for locking the isolating output shaft and a grounding interlocking hole used for locking the grounding output shaft, gaps are formed in the isolating interlocking hole and the grounding interlocking hole, and notches matched with the gaps of the isolating interlocking hole and the grounding interlocking hole are respectively arranged on the isolating output shaft and the grounding output shaft.
Further, the method comprises the following steps of; the isolation limiting end is respectively set as a first isolation limiting end and a second isolation limiting end, the two ends of the isolation arc groove are respectively set as a first isolation arc groove end part and a second isolation arc groove end part, the grounding limiting end is respectively set as a first grounding limiting end and a second grounding limiting end, the two ends of the grounding arc groove are respectively set as a first grounding arc groove end part and a second grounding arc groove end part, the three-station switch is in an isolation state, the isolation transmission rod is positioned at the first isolation arc groove end part, and the grounding transmission rod is positioned at the first grounding arc groove end part.
In conclusion, the utility model has the advantages that:
1) the utility model designs the isolation transmission device and the grounding transmission device to output the opening and closing torque and the grounding torque to the insulating main shaft in a mode of driving the cam disc to rotate, and has the advantages of simple structure, convenient operation, high transmission efficiency, reasonable and reliable integral structural design of the three-station switch operating mechanism, high stability and long service life; the isolation output device and the grounding output device are interlocked, so that the three-position switch operating mechanism can perform switching-on or grounding operation only in an isolation state, and the operation of grounding during switching-on or switching-on during grounding is prevented.
2) The indicating device is connected with the insulating main shaft of the three-position switch, so that intermediate transmission parts are reduced, and the transmission efficiency is improved.
Drawings
Fig. 1 is a first schematic view of a three-station operating mechanism of the present invention.
Fig. 2 is a schematic diagram of a three-position operating mechanism of the present invention.
Figure 3 is a schematic view of a cam plate of the present invention.
Fig. 4 is a schematic view of a second mechanism plate of the present invention.
FIG. 5 is a schematic view of an isolated drive crank arm of the present invention.
Fig. 6 is a schematic view of the ground engaging transmission crank arm of the present invention.
FIG. 7 is a schematic view of an indicating device 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 7, a three-position switch operating mechanism and an indicating device for a gas insulated ring main unit include a three-position operating mechanism 3 and an indicating device 9 for displaying a three-position state.
The three-station operating mechanism 3 comprises a three-station frame 31 and a cam disc 32, the cam disc 32 is fixedly arranged on the insulating main shaft 22, an isolation output device, an isolation transmission device, a grounding output device, a grounding transmission device and an energy storage device are arranged on the three-station frame 31, the isolation output device and the grounding output device are respectively linked with the energy storage device and control the energy storage device to store energy, the isolation transmission device and the grounding transmission device are linked with the cam disc 32, and switching-on and switching-off torque and grounding torque are respectively output to the insulating main shaft 22 through the cam disc 32.
The three-station rack 31 comprises a first mechanism plate 311 and a second mechanism plate 312, the first mechanism plate 311 is located at an operation input end of the three-station operating mechanism 3, the second mechanism plate 312 is located at an operation output end of the three-station operating mechanism 3, the first mechanism plate 311 and the second mechanism plate 312 are fixedly connected through a three-station support 313, and generally, the first mechanism plate 311 and the second mechanism plate 312 are arranged in parallel; the second mechanism plate 312 is fixedly connected to the partition of the mechanism chamber 131 through the fixing support 324, so that the three-position operating mechanism 3 is installed in the mechanism chamber 131.
The isolating output device comprises an isolating output shaft 33, the input end of the isolating output shaft 33 rotatably penetrates through the first mechanism plate 311, and an isolating cam sleeve 331 is fixedly sleeved on the input end of the isolating output shaft 33 positioned on the outer side of the first mechanism plate 311.
The grounding output device comprises a grounding output shaft 34, the input end of the grounding output shaft 34 rotatably penetrates through the first mechanism plate 311, and a grounding cam sleeve 341 is fixedly sleeved on the input end of the grounding output shaft 34 positioned outside the first mechanism plate 311.
The energy storage device comprises an isolation energy storage crank arm 351, an earth energy storage crank arm 352 and an energy storage pressure spring 353, the isolation energy storage crank arm 351 is fixedly arranged on an isolation output shaft 33 and can rotate along with the isolation output shaft 33, an isolation transmission pin 3511 is arranged at the free end of the isolation energy storage crank arm 35, the earth energy storage crank arm 352 is fixedly arranged on an earth output shaft 34 and can rotate along with the earth output shaft 34, an earth transmission pin 3521 is arranged at the free end of the earth energy storage crank arm 352, pressure spring heads 3531 are arranged at the two ends of the energy storage pressure spring 353, the pressure spring heads 3531 are respectively in rotating connection with the isolation transmission pin 3511 and the earth transmission pin 3521, an energy storage telescopic rod 3532 is arranged between the two groups of pressure spring heads 3531, and when the energy storage pressure spring 353 stretches or stretches, the energy storage telescopic rod 3532 can stretch or stretch along with the energy storage pressure spring.
The isolation transmission device comprises an isolation transmission crank arm 36, the isolation transmission crank arm 36 is rotatably connected with an isolation output shaft 33, an isolation sliding groove 361 is fixedly arranged on the side edge of the isolation transmission crank arm 36, an isolation transmission pin 3511 slides along the sliding groove 361, isolation limiting ends used for limiting the isolation transmission pin 3511 are fixedly arranged at two ends of the sliding groove 361, and the isolation limiting ends are respectively arranged as a first isolation limiting end 3611 and a second isolation limiting end 3612; the isolation transmission crank arm 36 is further fixedly provided with an isolation transmission rod 362, the second mechanism plate 312 is fixedly provided with an isolation arc groove 3121, two ends of the isolation arc groove 3121 are provided with a first isolation arc groove end 31211 and a second isolation arc groove end 31212, the isolation transmission rod 362 is inserted into the isolation arc groove 3121 and slides along the isolation arc groove 3121, the isolation transmission rod 362 is linked with the cam disc 32, and when the three-station switch performs a switching-on operation, the isolation transmission rod 362 slides from the second isolation arc groove end 31212 to the first isolation arc groove end 31211; when the three-position switch is opened, the isolation transmission rod 362 slides from the first isolation arc groove end 31211 to the second isolation arc groove end 31212.
The grounding transmission device comprises a grounding transmission crank arm 37, the grounding transmission crank arm 37 is rotatably connected with the grounding output shaft 34, a grounding sliding groove 371 is fixedly arranged on the grounding transmission crank arm 37, a grounding transmission pin 3521 slides along the grounding sliding groove 371, grounding limiting ends used for limiting the grounding transmission pin 3521 are fixedly arranged at two ends of the grounding sliding groove 371, and the grounding limiting ends are respectively arranged as a first grounding limiting end 3711 and a second grounding limiting end 3712; the grounding transmission crank arm 37 is further fixedly provided with a grounding transmission rod 372, the second mechanism plate 312 is fixedly provided with a grounding arc groove 3122, two ends of the grounding arc groove 3122 are provided with a first grounding arc groove end 31221 and a second grounding arc groove end 31222, the grounding transmission rod 372 is inserted into the grounding arc groove 3122 and slides along the grounding arc groove 3122, the grounding transmission rod 372 is linked with the cam disc 32, and when the three-position switch performs grounding operation, the grounding transmission rod 372 slides from the first grounding arc groove end 31221 to the second grounding arc groove end 31222.
The cam disc 32 is provided with a plate-shaped structure comprising a cam disc mounting hole 321, the central axis of the cam disc mounting hole 321 is collinear with the central axis of the insulating main shaft 22, the insulating main shaft 22 is connected with the cam disc 32 through a connecting shaft 26, specifically, one end of the connecting shaft 26 is positioned in the inflating compartment 111, which is fixedly provided with a first connecting hole 261, the cross section of the first connecting hole 261 is polygonal, preferably hexagonal, matched with the cross section of the insulating main shaft 22, the insulating main shaft 22 is inserted into the first connecting hole 261 and fixedly connected, the insulating main shaft 22 can be prevented from rotating relative to the connecting shaft 26, the other end of the connecting shaft 26 is positioned in the mechanism chamber 131, the outer cross section of the connecting shaft 26 is polygonal, preferably square, matched with the cross section of the cam disc mounting hole 321, the other end of the connecting shaft 26 is inserted into the cam disc mounting hole 321 and fixedly connected, the cam disc 32 can be prevented from rotating relative to the connecting shaft 26, the other end of the connecting shaft 26 is fixedly provided with a second connecting hole 262; the dynamic seal 25 is sleeved on the outer side of the connecting shaft 26 and is in sealing connection with the three-station support 21 and the mechanism chamber 131 through the dynamic seal 25.
The cam plate 32 is further provided with a moving arc groove, the moving arc groove comprises an isolation limiting arc groove 322 and a grounding limiting arc groove 323, the isolation limiting arc groove 322 is communicated with the grounding limiting arc groove 323, the isolation transmission rod 362 is inserted into the isolation limiting arc groove 322 and slides along the isolation limiting arc groove 322, and the grounding transmission rod 372 is inserted into the grounding limiting arc groove 323 and slides along the grounding limiting arc groove 323.
The two ends of the isolation limiting arc groove 322 are set as a first isolation limiting end 3221 and a second isolation limiting end 3222, the two ends of the grounding limiting arc groove 323 are set as a first grounding limiting end 3231 and a second grounding limiting end 3232, the second isolation limiting end 3222 and the first grounding limiting end 3231 are located at a junction position of the isolation limiting arc groove 322 and the grounding limiting arc groove 323, an upward protruding portion is arranged at the junction position, and the protruding portion is used for preventing the isolation transmission rod 362 from sliding to the grounding limiting arc groove 323 and preventing the grounding transmission rod 372 from sliding to the isolation limiting arc groove 322.
When the three-position switch is in an isolated state, the isolating transmission rod 362 is positioned at the second isolating arc groove end 31212 and the second isolating limiting end 3222, the grounding transmission rod 372 is positioned at the first grounding limiting end 3231, and when the three-position switch performs a closing operation, the isolating transmission connecting lever 36 drives the isolating transmission rod 362 to slide from the second isolating arc groove end 31212 to the first isolating arc groove end 31211, in the process, the isolating transmission rod 362 moves upwards in the vertical direction, so that the isolating transmission rod 362 slides from the second isolating limiting end 3222 to the first isolating limiting end 3221, thereby driving the cam disc 32 to rotate along the insulating main shaft 22 to output a closing torque for the insulating main shaft, in the process, the grounding transmission rod 372 slides along the grounding limiting arc groove 323, the arc shape of the grounding limiting arc groove 323 is matched with the path of the isolating transmission rod 362 driving the cam disc 32 to rotate, so that when the cam disc 32 performs a closing operation, the ground transmission rod 372 is not affected, the end of the ground limiting arc groove 323 is provided as a limiting end 3232, and when the cam disc 32 is in a closed state, the ground transmission rod 372 moves into the limiting end 3232.
When the three-position switch is in grounding operation, the grounding transmission crank arm 37 drives the grounding transmission rod 372 to slide from the first grounding arc groove end 31221 to the second grounding arc groove end 31222, the arc shape of the isolation limiting arc groove 322 is matched with the path of the grounding transmission rod 372 driving the cam disc 32 to rotate, so that when the cam disc 32 is in grounding operation, the isolation transmission rod 362 is not affected, and the grounding transmission rod 372 drives the cam disc 32 to rotate along the insulating main shaft 22 to output grounding torque for the insulating main shaft 22.
In order to ensure the safety, the three-position switch can be switched on or grounded only when the three-position switch is in an isolated state, the isolation transmission pin 3511 is positioned at the second limiting end 3612, when the three-position switch is switched on, when the isolating output shaft 33 is driven by the external force to rotate, the isolating output shaft 33 drives the isolating energy storage crank arm 351 to rotate, the isolating energy storage crank arm 351 drives the isolating transmission pin 3511 to slide along the isolating sliding groove 361, thereby driving the energy storage compression spring 353 to store energy, when the energy storage compression spring 353 rotates to the maximum energy storage position, when the external force is removed, the isolation output device continues to rotate under the action of inertia, the energy storage pressure spring 353 rotates to the maximum energy storage position, the energy storage is released, the isolation transmission connecting lever 36 is driven to rotate through the isolation transmission pin 3511, the isolation transmission rod 362 drives the cam disc 32 to rotate, and the closing torque is output to the insulation main shaft 22 through the cam disc 32.
In the process that the energy storage pressure spring 353 reaches the maximum energy storage position, the isolation transmission pin 3511 slides from the second limiting end 3612 to the first limiting end 3611 along the sliding groove 361, in the process, the isolation transmission crank arm 36 does not rotate, when the energy storage pressure spring 353 releases energy storage, the isolation transmission pin 3511 drives the isolation transmission crank arm 36 to rotate through the first limiting end 3611, then the isolation transmission rod 362 drives the cam disc 32 to rotate, and closing torque is output to the insulation main shaft 22 through the cam disc 32; when the three-position switch needs to be opened, the three-position switch operates in the reverse direction, and opening torque is output to the insulating main shaft 22 through the cam disc 32.
When the three-position switch is in an isolated state, the grounding transmission pin 3521 is located at the first grounding limiting end 3711, when the three-position switch performs grounding operation, external force drives the grounding output shaft 34 to rotate, the grounding output shaft 34 drives the grounding energy storage crank arm 352 to rotate, the grounding energy storage crank arm 352 drives the grounding transmission pin 3521 to slide along the grounding chute 371, and further drives the energy storage pressure spring 353 to store energy, when the energy storage pressure spring 353 reaches the maximum energy storage position by rotating, the external force is removed, the grounding output device continues to rotate under the inertia effect and enables the energy storage pressure spring 353 to rotate through the maximum energy storage position, energy storage is released, the grounding transmission crank arm 37 is driven to rotate by the grounding transmission pin 3521, the grounding transmission rod 372 drives the cam disc 32 to rotate, and grounding torque is output to the insulating main shaft 22 through the cam disc 32.
In the process that the energy storage pressure spring 353 reaches the maximum energy storage position, the grounding transmission pin 3521 slides from the first grounding limiting end 3711 to the second grounding limiting end 3712 along the grounding sliding groove 371, in the process, the grounding transmission crank arm 37 does not rotate, when the energy storage pressure spring 353 releases energy storage, the grounding transmission pin 3521 drives the grounding transmission crank arm 37 to rotate through the second grounding limiting end 3712, the grounding transmission rod 372 drives the cam disc 32 to rotate, and grounding torque is output to the insulation main shaft 22 through the cam disc 32.
In the embodiment, the cam disc 32 is driven to rotate by the isolation transmission device and the grounding transmission device to output the opening and closing torque and the grounding torque to the insulating main shaft 22, so that the structure is simple, the operation is convenient, and the transmission efficiency is high.
The three-station operating mechanism 3 further comprises a three-station operating mechanism interlocking plate 38, a lower cover plate 381, an upper cover plate 382 and a poking plate 383 are fixedly arranged on the three-station operating mechanism interlocking plate 38, the poking plate 383 is poked through external force to control the three-station operating mechanism interlocking plate 38 to move up or down, when the three-station operating mechanism interlocking plate 38 moves up, the upper cover plate 382 covers the isolation cam sleeve 331, and when the three-station operating mechanism interlocking plate 38 moves down, the lower cover plate 381 covers the grounding cam sleeve 341 to ensure that the isolation output shaft 33 and the grounding output shaft 34 cannot be operated simultaneously.
The three-position operating mechanism 3 also comprises an interlocking device for isolating the output device and the grounding output device,
the interlocking device comprises a hanging plate 391, an adjusting waist-shaped hole 392 is fixedly arranged on the hanging plate 391, an interlocking column 3111 is fixedly arranged on a first mechanism plate 311, the interlocking column 3111 is inserted into the adjusting waist-shaped hole 392, so that the hanging plate 391 is hung on the first mechanism plate 311, two ends of the hanging plate 391 are respectively provided with an isolating interlocking hole 394 for locking an isolating output shaft 33 and a grounding interlocking hole 395 for locking a grounding output shaft 34, gaps are arranged on the isolating interlocking hole 394 and the grounding interlocking hole 395, notches matched with the gaps of the isolating interlocking hole 394 and the grounding interlocking hole 395 are respectively arranged on the isolating output shaft 33 and the grounding output shaft 34, in the interlocking process of the embodiment, when the three-position switch is in an isolating state, the notches of the isolating output shaft 33 and the grounding output shaft 34 are opposite to the gaps of the isolating interlocking hole 394 and the grounding interlocking hole 395, at the moment, the hanging plate 391, the isolating output device and the grounding output device are in an unlocking state, the hanging plate 391 can move up and down in the limited range of the adjusting waist-shaped hole 392 to realize the switching-on or grounding operation of the three-position switch, when the three-position switch is in the switching-on state, the arc surface of the isolating output shaft 33 is abutted against the notch of the isolating mutual locking hole 394, the notch of the grounding output shaft 34 is opposite to the notch of the grounding mutual locking hole 395 and limited, at the moment, the grounding output shaft 34 cannot operate, when the grounding output device is in the grounding state, the arc surface of the grounding output shaft 34 is abutted against the notch of the grounding mutual locking hole 395, the notch of the isolating output shaft 33 is opposite to the notch of the isolating mutual locking hole 394 and limited, and therefore the three-position switch can be grounded or switched-on only when the isolating output device and the grounding output device are in the isolating state.
The three-station operating mechanism 3 can be independently applied to the existing ring main unit.
The indicating device 9 is used for displaying the state of the three-position switch, the indicating device 9 comprises an indicating main shaft 91 and a sign 92, the indicating main shaft 91 is connected with the insulating main shaft 22 of the three-position switch, and the sign 92 is connected with the indicating main shaft 91 and used for displaying the state of the three-position switch.
The connecting device comprises a connecting shaft 26, one end of the connecting shaft 26 is fixedly provided with a second connecting hole 262, the indicating main shaft 91 is inserted into the second connecting hole 262 and fixedly connected, the other end of the connecting shaft 26 is fixedly provided with a first connecting hole 261, and the insulating main shaft 22 is inserted into the first connecting hole 261 and fixedly connected.
The connecting shaft 26 is sleeved with a dynamic seal 25, and the connecting shaft 26 is hermetically connected with the three-position bracket 21 and the mechanism chamber 131 partition plate through the dynamic seal 25.
The indicating device 9 of this embodiment is connected with insulating main shaft 22, and the state of three-position switch directly passes through insulating main shaft 22 and exports indicating device 9 to show by sign 92, abandon middle transmission part, improved the indicating efficiency of three-position switch state.
The indicating device 9 can be applied to the existing ring main unit separately.
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. The utility model provides a gas insulation looped netowrk cabinet is with three station switch operating device and indicating device which characterized in that: the three-station switch operating mechanism comprises a three-station mechanism, the three-station mechanism comprises a three-station rack, an isolation output device, an isolation transmission device, a grounding output device, a grounding transmission device, an energy storage device and a cam disc, the indication device comprises an indication main shaft and an indication board, and the indication main shaft is connected with an insulation main shaft of the three-station switch and used for displaying the state of the three-station switch.
2. The three-position switch operating mechanism and indicating device for the gas insulated ring main unit according to claim 1, wherein: the three-station rack comprises a first mechanism plate and a second mechanism plate, the first mechanism plate is located at the operation input end of the three-station mechanism, the second mechanism plate is located at the operation output end of the three-station mechanism, and the first mechanism plate and the second mechanism plate are fixedly connected through a three-station support.
3. The three-position switch operating mechanism and indicating device for the gas insulated ring main unit according to claim 2, wherein: the isolation output device comprises an isolation output shaft, the input end of the isolation output shaft rotates to penetrate through the first mechanism plate, an isolation cam sleeve is arranged on the input end of the isolation output shaft positioned on the outer side of the first mechanism plate, the grounding output device comprises a grounding output shaft, the input end of the grounding output shaft rotates to penetrate through the first mechanism plate, and a grounding cam sleeve is arranged on the input end of the grounding output shaft positioned on the outer side of the first mechanism plate.
4. The three-position switch operating mechanism and indicating device for the gas insulated ring main unit according to claim 3, wherein: energy memory is including keeping apart energy storage turning arm, ground connection energy storage turning arm and energy storage pressure spring, keeps apart the energy storage turning arm and sets firmly keeping apart the output shaft, and the free end of keeping apart the energy storage turning arm is equipped with keeps apart the transmission round pin, and ground connection energy storage turning arm sets firmly at the ground connection output shaft, and the free end of ground connection energy storage turning arm is equipped with the ground connection transmission round pin, and the both ends of energy storage pressure spring are equipped with the pressure spring head, and the pressure spring head rotates with isolation transmission round pin and ground connection transmission round pin respectively to be connected, sets up the energy storage telescopic link between two sets of pressure spring heads.
5. The three-position switch operating mechanism and indicating device for the gas insulated ring main unit according to claim 3, wherein: the isolation transmission device comprises an isolation transmission crank arm, the isolation transmission crank arm is rotationally connected with an isolation output shaft, an isolation sliding groove is fixedly arranged on the side edge of the isolation transmission crank arm, an isolation transmission pin is slidably connected with the sliding groove, isolation limiting ends used for limiting the isolation transmission pin are fixedly arranged at two ends of the sliding groove, an isolation transmission rod is fixedly arranged on the isolation transmission crank arm, an isolation arc groove is fixedly arranged on the second mechanism plate, the isolation transmission rod is inserted into the isolation arc groove and is slidably connected with the isolation arc groove, and the isolation transmission rod is linked with the cam disc.
6. The three-position switch operating mechanism and indicating device for the gas insulated ring main unit according to claim 5, wherein: the grounding transmission device comprises a grounding transmission crank arm, the grounding transmission crank arm is rotationally connected with a grounding output shaft, a grounding chute is fixedly arranged on the grounding transmission crank arm, a grounding transmission pin is slidably connected with the grounding chute, grounding limiting ends used for limiting the grounding transmission pin are fixedly arranged at two ends of the grounding chute, a grounding transmission rod is further fixedly arranged on the grounding transmission crank arm, a grounding arc groove is fixedly arranged on the second mechanism plate, the grounding transmission rod is inserted into the grounding arc groove and is slidably connected with the grounding arc groove, and the grounding transmission rod is linked with the cam disc.
7. The three-position switch operating mechanism and indicating device for the gas insulated ring main unit according to claim 6, wherein: set up the removal arc groove on the cam disc, remove the arc groove including keeping apart arc groove and ground connection arc groove, keep apart arc groove and ground connection arc groove intercommunication, keep apart the transfer line and insert and keep apart the arc groove and with keep apart arc groove sliding connection, the ground connection transfer line inserts ground connection arc groove and with ground connection arc groove sliding connection, the both ends of keeping apart the arc groove set up to first isolation restriction tip and second isolation restriction tip, the both ends of ground connection arc groove set up to first ground connection restriction tip and second ground connection restriction tip, and second isolation restriction tip and first ground connection restriction tip are located the boundary position of keeping apart arc groove and ground connection arc groove, and boundary position is provided with upwards protruding position, and protruding position is used for preventing to keep apart the transfer line and slides to ground connection arc groove and prevent that ground connection transfer line from sliding to keep apart the arc groove.
8. The three-position switch operating mechanism and indicating device for the gas insulated ring main unit according to claim 1, wherein: the indicating device further comprises a connecting device used for connecting the indicating device and the insulating main shaft, the connecting device comprises a connecting shaft, a second connecting hole is fixedly formed in one end of the connecting shaft, the indicating main shaft is inserted into the second connecting hole and fixedly connected, a first connecting hole is fixedly formed in the other end of the connecting shaft, and the insulating main shaft is inserted into the first connecting hole and fixedly connected.
9. The three-position switch operating mechanism and indicating device for the gas insulated ring main unit according to claim 2, wherein: the interlocking device comprises a hanging plate, an adjusting waist-shaped hole is fixedly formed in the hanging plate, an interlocking column is fixedly arranged on a first mechanism plate, the interlocking column is inserted into the adjusting waist-shaped hole, two ends of the hanging plate are respectively provided with an isolating interlocking hole used for locking the isolating output shaft and a grounding interlocking hole used for locking the grounding output shaft, gaps are formed in the isolating interlocking hole and the grounding interlocking hole, and notches matched with the gaps of the isolating interlocking hole and the grounding interlocking hole are respectively arranged on the isolating output shaft and the grounding output shaft.
10. The three-position switch operating mechanism and indicating device for the gas insulated ring main unit according to claim 5, wherein: the isolation limiting end is respectively set as a first isolation limiting end and a second isolation limiting end, the two ends of the isolation arc groove are respectively set as a first isolation arc groove end part and a second isolation arc groove end part, the grounding limiting end is respectively set as a first grounding limiting end and a second grounding limiting end, the two ends of the grounding arc groove are respectively set as a first grounding arc groove end part and a second grounding arc groove end part, the three-station switch is in an isolation state, the isolation transmission rod is positioned at the first isolation arc groove end part, and the grounding transmission rod is positioned at the first grounding arc groove end part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110606904 | 2021-05-27 | ||
| CN2021106069049 | 2021-05-27 |
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| CN215644270U true CN215644270U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121607253.7U Active CN215644270U (en) | 2021-05-27 | 2021-07-15 | Three-position switch operating mechanism and indicating device for gas insulation ring main unit |
| CN202121607407.2U Active CN215933460U (en) | 2021-05-27 | 2021-07-15 | Three-station mechanism |
| CN202121606938.XU Active CN215933471U (en) | 2021-05-27 | 2021-07-15 | Circuit breaker main loop |
| CN202121607663.1U Active CN215933426U (en) | 2021-05-27 | 2021-07-15 | Interlocking device of three-station mechanism and circuit breaker mechanism |
| CN202121607853.3U Active CN215934278U (en) | 2021-05-27 | 2021-07-15 | Environment-friendly gas insulation ring main unit |
| CN202121606382.4U Active CN215933459U (en) | 2021-05-27 | 2021-07-15 | Three-position switch |
| CN202110800929.2A Pending CN113572074A (en) | 2021-05-27 | 2021-07-15 | Environment-friendly gas insulation ring main unit |
| CN202110799991.4A Pending CN113571371A (en) | 2021-05-27 | 2021-07-15 | Three-station mechanism |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121607407.2U Active CN215933460U (en) | 2021-05-27 | 2021-07-15 | Three-station mechanism |
| CN202121606938.XU Active CN215933471U (en) | 2021-05-27 | 2021-07-15 | Circuit breaker main loop |
| CN202121607663.1U Active CN215933426U (en) | 2021-05-27 | 2021-07-15 | Interlocking device of three-station mechanism and circuit breaker mechanism |
| CN202121607853.3U Active CN215934278U (en) | 2021-05-27 | 2021-07-15 | Environment-friendly gas insulation ring main unit |
| CN202121606382.4U Active CN215933459U (en) | 2021-05-27 | 2021-07-15 | Three-position switch |
| CN202110800929.2A Pending CN113572074A (en) | 2021-05-27 | 2021-07-15 | Environment-friendly gas insulation ring main unit |
| CN202110799991.4A Pending CN113571371A (en) | 2021-05-27 | 2021-07-15 | Three-station mechanism |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203490B (en) * | 2021-12-23 | 2022-12-23 | 浙江聚弘凯电气有限公司 | Atmospheric air type ring main unit |
| CN114496605B (en) * | 2022-02-25 | 2023-09-22 | 阿科法电气有限公司 | Breaker switch of normal pressure sealed ring main unit |
| CN114613638B (en) * | 2022-03-22 | 2024-01-16 | 宁波剑润机电有限公司 | Three-station position signal switching device |
| CN114421314B (en) * | 2022-03-29 | 2022-06-07 | 江苏国控电力设备有限公司 | Ring main unit capable of being remotely and intelligently controlled |
| CN115602480B (en) * | 2022-12-12 | 2023-02-28 | 石家庄科林电气设备有限公司 | Three-position switch and three-position environment-friendly gas combined electrical appliance ring main unit |
| CN116316242B (en) * | 2023-05-24 | 2023-08-08 | 江苏洛凯智能科技有限公司 | Isolated looped netowrk cabinet cubical switchboard |
| CN117096767B (en) * | 2023-08-08 | 2024-05-14 | 长园电力技术有限公司 | Inflatable high-voltage switch equipment for new energy |
-
2021
- 2021-07-15 CN CN202121607253.7U patent/CN215644270U/en active Active
- 2021-07-15 CN CN202121607407.2U patent/CN215933460U/en active Active
- 2021-07-15 CN CN202121606938.XU patent/CN215933471U/en active Active
- 2021-07-15 CN CN202121607663.1U patent/CN215933426U/en active Active
- 2021-07-15 CN CN202121607853.3U patent/CN215934278U/en active Active
- 2021-07-15 CN CN202121606382.4U patent/CN215933459U/en active Active
- 2021-07-15 CN CN202110800929.2A patent/CN113572074A/en active Pending
- 2021-07-15 CN CN202110799991.4A patent/CN113571371A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN215933459U (en) | 2022-03-01 |
| CN215933460U (en) | 2022-03-01 |
| CN215933426U (en) | 2022-03-01 |
| CN215934278U (en) | 2022-03-01 |
| CN113571371A (en) | 2021-10-29 |
| CN113572074A (en) | 2021-10-29 |
| CN215933471U (en) | 2022-03-01 |
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