CN221040953U - Quick tripping device of load switch - Google Patents
Quick tripping device of load switch Download PDFInfo
- Publication number
- CN221040953U CN221040953U CN202322673133.2U CN202322673133U CN221040953U CN 221040953 U CN221040953 U CN 221040953U CN 202322673133 U CN202322673133 U CN 202322673133U CN 221040953 U CN221040953 U CN 221040953U
- Authority
- CN
- China
- Prior art keywords
- bent plate
- linkage
- tripping
- plate
- shaft
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Landscapes
- Breakers (AREA)
Abstract
The utility model relates to a quick tripping device of a load switch, which comprises a quick tripping component arranged between a fuse and a spring operating mechanism, wherein the quick tripping component comprises three supporting plates, three tripping plates, a tripping shaft arranged on a machine frame, three transmission crank arms, three tripping pull rods, a brake separating bent plate arranged on a brake separating half shaft of the spring operating mechanism, a linkage bent plate arranged on a side plate of the spring operating mechanism in a rotating way, and a linkage rod connected between the brake separating bent plate and the linkage bent plate, wherein one end of the tripping shaft is provided with a driving bent plate matched with the linkage bent plate, one end of the driving bent plate is abutted on the linkage bent plate, and the linkage bent plate is matched with the driving bent plate in a linkage way. The utility model has the advantages of simple structure, stable and reliable performance and sensitive tripping action.
Description
Technical Field
The utility model relates to a load switch, in particular to a quick tripping device of the load switch.
Background
The high-voltage vacuum load switch is suitable for three-phase AC high-voltage power system, is used in cooperation with power distribution equipment, ring network switch cabinet, combined transformer station, etc. and has the functions of breaking rated current, overload current and preventing equipment from running in open phase. The alternating-current high-voltage vacuum load switch can be used as a ring network power supply unit or terminal equipment, plays roles in distributing, controlling and protecting electric energy, and is widely used for wind power generation, urban network construction and reconstruction engineering, industrial and mining enterprises, high-rise buildings, public facilities and the like. The high-voltage vacuum load switch comprises a frame, an isolating switch, a vacuum arc-extinguishing chamber, a grounding switch, a spring operating mechanism, a fuse and a tripping device arranged between the fuse and the spring operating mechanism, wherein the tripping device can effectively cut off a short circuit fault of a power supply line and protect the load switch and other electric equipment from damage. However, the tripping device of the existing vacuum load switch is complex in structural design, poor in tripping transmission flexibility, incapable of realizing quick switching-off of the vacuum load switch, and low in reliability.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a quick tripping device of a load switch, which has the advantages of simple structure, stable and reliable performance and sensitive tripping action.
In order to achieve the above purpose, the utility model adopts a quick tripping device of a load switch, which comprises a quick tripping component arranged between a fuse and a spring operating mechanism, wherein the quick tripping component comprises three supporting plates which are arranged on a wiring board corresponding to the three fuses, three tripping plates which are respectively arranged on the three supporting plates in a rotating way and are in linkage fit with the three fuses, a tripping shaft arranged on a machine frame, three transmission crank arms respectively arranged on the tripping shaft, three tripping pull rods respectively connected between the three tripping plates and the three transmission crank arms, a brake separating bent plate arranged on a brake separating half shaft of the spring operating mechanism, a linkage bent plate which is rotatably arranged on a side plate of the spring operating mechanism, and a linkage rod connected between the brake separating bent plate and the linkage bent plate, wherein one end of the tripping shaft is provided with a driving bent plate which is matched with the linkage bent plate, one end of the driving bent plate is in a collision way on the bent plate, and the linkage bent plate is matched with the driving bent plate.
The beneficial effects of the structure are as follows: the quick tripping device adopts a three-phase mechanical linkage structural design, has simple structural design and sensitive tripping action, can reliably realize quick tripping of the load switch after any one-phase fuse is melted, effectively cuts off the short-circuit fault of a power supply line, and protects the load switch and other electric equipment from damage. When the circuit is in short circuit fault, the fuse breaks down, the trip plate and the fuse trip, the trip plate drives the trip pull rod and the transmission crank arm to act, the transmission crank arm drives the trip shaft to rotate, the trip shaft drives the linkage bent plate to act through the driving bent plate, the linkage bent plate drives the brake separating bent plate to act through the linkage rod, the brake separating bent plate drives the brake separating half shaft of the spring operating mechanism to act, and the spring operating mechanism executes the trip brake separating action, so that the quick trip of the load switch is realized. Therefore, the quick tripping device has the advantages of simple structure, stable and reliable performance and sensitive tripping action.
Particularly, the brake-separating bent plate is provided with an adjusting hole through which the interlocking rod passes, one end of the interlocking rod is provided with an adjusting screw rod part, the adjusting screw rod part passes through the adjusting hole, and two sides of the adjusting screw rod part corresponding to the brake-separating bent plate are respectively provided with an adjusting nut. The adjusting screw portion of the interlocking rod is connected to the brake separating bent plate through an adjusting nut, and the position of the interlocking rod can be adjusted through rotating the adjusting nut, so that the user can debug conveniently, and the assembly is more convenient.
Particularly, the linkage bent plate is provided with a through hole matched with the linkage rod, the other end of the linkage rod is provided with a screw rod part, the screw rod part passes through the through hole, and nuts are respectively arranged on the screw rod part corresponding to the linkage bent plate. The screw rod part of the interlocking rod is connected to the interlocking bent plate through a nut, and the position of the interlocking rod can be adjusted by rotating the nut, so that the assembly is more convenient.
Particularly, a locating shaft is arranged on the side plate of the spring operating mechanism at the position corresponding to the linkage bent plate, a locating hole is formed in the linkage bent plate, the locating shaft is inserted into the locating hole, and a clamp spring in limit fit with the linkage bent plate is arranged on the locating shaft. The linkage bent plate is connected to the positioning shaft of the side plate, so that the assembly of the linkage bent plate and the side plate is convenient and fast.
Particularly, the supporting plate is provided with a positioning pin shaft corresponding to the pinch plate, the pinch plate is respectively provided with two driving arms, the two driving arms are respectively provided with connecting holes, and two ends of the positioning pin shaft are respectively inserted into the connecting holes of the two driving arms and form rotary connection fit of the pinch plate and the positioning pin shaft. The locating pin shaft connected with the tripping plate is arranged on the supporting plate, so that the supporting plate and the tripping plate can be conveniently assembled, and the assembly is more convenient.
Drawings
Fig. 1 is a perspective view of a first view angle according to an embodiment of the present utility model.
Fig. 2 is a perspective view of a second view of an embodiment of the present utility model.
Fig. 3 is a left-view internal structural diagram of the quick release assembly according to the embodiment of the present utility model.
Fig. 4 is a right-side internal structural view of the quick release assembly according to the embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 4, an embodiment of the present utility model is a quick trip device for a load switch, which includes a quick trip assembly 20 disposed between a fuse 10 and a spring operating mechanism 11, the quick trip assembly 20 includes three support plates 21 disposed on a wiring board 12 corresponding to the three fuses 10, three trip plates 22 respectively disposed on the three support plates 21 in a rotating manner and cooperating with striker pins of the three fuses 10, a trip shaft 23 disposed on a mechanism frame 13, three transmission crank arms 24 respectively disposed on the trip shaft 23, three trip pull rods 25 respectively connected between the three trip plates 22 and the three transmission crank arms 24, a trip bent plate 26 disposed on a trip half shaft 111 of the spring operating mechanism 11, a linkage bent plate 27 rotatably disposed on a side plate 112 of the spring operating mechanism 11, a driving bent plate 29 connected between the trip bent plate 26 and the bent plate 27 and disposed on one end of the trip shaft 23 in a cooperating with the linkage bent plate 27, and one end of the driving bent plate 29 is abutted against the linkage bent plate 27 and cooperates with the linkage bent plate 27.
As shown in fig. 1, 2 and 3, the brake separating bending plate 26 is provided with an adjusting hole 261 through which the interlocking rod 28 passes, one end of the interlocking rod 28 is provided with an adjusting screw portion 281, the adjusting screw portion 281 passes through the adjusting hole 261, and two adjusting nuts 2811 are respectively arranged on the adjusting screw portion 281 corresponding to two sides of the brake separating bending plate 26. The adjusting screw portion of the interlocking rod is connected to the brake separating bent plate through an adjusting nut, and the position of the interlocking rod can be adjusted through rotating the adjusting nut, so that the user can debug conveniently, and the assembly is more convenient. The linkage bent plate 27 is provided with a through hole 271 matched with the linkage rod 28, the other end of the linkage rod 28 is provided with a screw rod part 282, the screw rod part 282 penetrates through the through hole 271, and nuts 2821 are respectively arranged on the screw rod part 282 corresponding to the linkage bent plate 27. The screw rod part of the interlocking rod is connected to the interlocking bent plate through a nut, and the position of the interlocking rod can be adjusted by rotating the nut, so that the assembly is more convenient. The side plate 112 of the spring operating mechanism 11 is provided with a positioning shaft 14 corresponding to the linkage bent plate 27, the linkage bent plate 27 is provided with a positioning hole 272, the positioning shaft 14 is inserted into the positioning hole 272, and the positioning shaft 14 is provided with a clamp spring 15 in limit fit with the linkage bent plate 27. The linkage bent plate is connected to the positioning shaft of the side plate, so that the assembly of the linkage bent plate and the side plate is convenient and fast. The support plate 21 is provided with a positioning pin shaft 211 corresponding to the trip plate 22, the trip plate 22 is respectively provided with two transmission arms 221, the two transmission arms 221 are respectively provided with connecting holes, and two ends of the positioning pin shaft 221 are respectively inserted into the connecting holes of the two transmission arms 221 to form a rotary connection fit of the trip plate 22 and the positioning pin shaft 211. The locating pin shaft connected with the tripping plate is arranged on the supporting plate, so that the supporting plate and the tripping plate can be conveniently assembled, and the assembly is more convenient.
The quick tripping device adopts a three-phase mechanical linkage structural design, has simple structural design and sensitive tripping action, can reliably realize quick tripping of the load switch after any one-phase fuse is melted, effectively cuts off the short-circuit fault of a power supply line, and protects the load switch and other electric equipment from damage. When the circuit is in short circuit fault, the fuse breaks down, the trip plate and the fuse trip, the trip plate drives the trip pull rod and the transmission crank arm to act, the transmission crank arm drives the trip shaft to rotate, the trip shaft drives the linkage bent plate to act through the driving bent plate, the linkage bent plate drives the brake separating bent plate to act through the linkage rod, the brake separating bent plate drives the brake separating half shaft of the spring operating mechanism to act, and the spring operating mechanism executes the trip brake separating action, so that the quick trip of the load switch is realized. Therefore, the quick tripping device has the advantages of simple structure, stable and reliable performance and sensitive tripping action.
Claims (5)
1. The utility model provides a quick trip device of load switch, includes the quick trip subassembly of setting between fuse and spring operating mechanism, its characterized in that: the quick tripping assembly comprises three supporting plates, three tripping plates, tripping shafts, three transmission crank arms, three tripping pull rods, a brake separating bent plate, a linkage bent plate and a locking rod, wherein the three supporting plates are arranged on a wiring board corresponding to three fuse positions, the three tripping plates are arranged on the three supporting plates in a linkage mode and are in linkage fit with the three fuses, the tripping shafts are arranged on a machine frame, the three transmission crank arms are arranged on the tripping shafts, the three tripping pull rods are respectively connected between the three tripping plates and the three transmission crank arms, the brake separating bent plate is arranged on a brake separating half shaft of the spring operating mechanism, the linkage bent plate is arranged on a side plate of the spring operating mechanism in a rotating mode, the locking rod is connected between the brake separating bent plate and the linkage bent plate, one end of the tripping shaft is provided with a driving bent plate matched with the linkage bent plate, one end of the driving bent plate is in a collision mode on the linkage bent plate, and linkage fit of the linkage bent plate and the driving bent plate is formed.
2. The quick release of a load switch of claim 1, wherein: the brake-separating bending plate is provided with an adjusting hole through which the interlocking rod can pass, one end of the interlocking rod is provided with an adjusting screw rod part, the adjusting screw rod part passes through the adjusting hole, and two sides of the adjusting screw rod part corresponding to the brake-separating bending plate are respectively provided with an adjusting nut.
3. The quick release device of a load switch according to claim 1 or 2, characterized in that: the connecting rod is characterized in that the connecting bent plate is provided with a through hole matched with the connecting rod, the other end of the connecting rod is provided with a screw rod part, the screw rod part penetrates through the through hole, and nuts are respectively arranged on the screw rod part corresponding to the connecting bent plate.
4. The quick release device of a load switch according to claim 1 or 2, characterized in that: the side plate of the spring operating mechanism is provided with a positioning shaft corresponding to the linkage bent plate, the linkage bent plate is provided with a positioning hole, the positioning shaft is inserted in the positioning hole, and the positioning shaft is provided with a clamp spring in limit fit with the linkage bent plate.
5. The quick release device of a load switch according to claim 1 or 2, characterized in that: the positioning pin shaft is arranged at the position, corresponding to the pinch plate, on the supporting plate, two driving arms are respectively arranged on the pinch plate, connecting holes are respectively formed in the two driving arms, and two ends of the positioning pin shaft are respectively inserted into the connecting holes of the two driving arms to form rotary connection fit between the pinch plate and the positioning pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673133.2U CN221040953U (en) | 2023-10-07 | 2023-10-07 | Quick tripping device of load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673133.2U CN221040953U (en) | 2023-10-07 | 2023-10-07 | Quick tripping device of load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221040953U true CN221040953U (en) | 2024-05-28 |
Family
ID=91172803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322673133.2U Active CN221040953U (en) | 2023-10-07 | 2023-10-07 | Quick tripping device of load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221040953U (en) |
-
2023
- 2023-10-07 CN CN202322673133.2U patent/CN221040953U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110021486B (en) | Automatic reclosing device for voltage-loss tripping | |
| CN201853643U (en) | High breaking vacuum load switch-fuse combined electrical appliance | |
| CN221040953U (en) | Quick tripping device of load switch | |
| CN113257610A (en) | High-voltage isolating switch, method for isolating power supply and application | |
| CN113593969A (en) | High-parameter bus conversion current's scissors formula isolator's cut-off device | |
| CN204407268U (en) | A kind of miniature circuit breaker switching off/on device | |
| CN214541992U (en) | Three-station isolating switch with short circuit closing capability | |
| CN221079883U (en) | Insulating high-voltage isolating switch | |
| CN205564619U (en) | Isolator | |
| CN216015227U (en) | Wind-power integrated circuit breaker | |
| CN207367902U (en) | A kind of quick acting switching-off device | |
| CN215265998U (en) | Distribution network overhead line type grounding switch | |
| CN220984466U (en) | Combined switch electrical appliance with fusing protection function | |
| CN216489041U (en) | L-shaped grounding change-over switch of high-voltage switch cabinet | |
| CN216435700U (en) | Load switch device for power grid with switching-on positioning function | |
| CN213845195U (en) | Permanent magnet operating mechanism for circuit breaker | |
| CN217690954U (en) | High-voltage vacuum circuit breaker operating system | |
| CN219591337U (en) | High-voltage circuit breaker with spring mechanism | |
| CN212303529U (en) | Special solid-sealed pole circuit breaker for wind power | |
| CN213752591U (en) | Multifunctional intelligent circuit breaker | |
| CN211182898U (en) | Disconnect-type high tension switchgear | |
| CN201708446U (en) | Vacuum disconnector combined electrical apparatus | |
| CN213366510U (en) | Rotary circuit breaker structure of environment-friendly voltage cabinet | |
| CN214012866U (en) | Closing interlocking mechanism of circuit breaker operating mechanism | |
| CN113745067A (en) | Wind-power integrated circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |