CN118098893A - Electrical protection interlocking device of high-voltage cabinet circuit breaker - Google Patents
Electrical protection interlocking device of high-voltage cabinet circuit breaker Download PDFInfo
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- CN118098893A CN118098893A CN202410461807.9A CN202410461807A CN118098893A CN 118098893 A CN118098893 A CN 118098893A CN 202410461807 A CN202410461807 A CN 202410461807A CN 118098893 A CN118098893 A CN 118098893A
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- 230000009471 action Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
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- 238000006073 displacement reaction Methods 0.000 description 2
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Abstract
The invention discloses an electrical protection interlocking device of a high-voltage cabinet circuit breaker, which comprises a first cover plate, a first rectangular groove, a stirring structure, an extension interlocking structure, a second cover plate, a second rectangular groove and a supporting structure.
Description
Technical Field
The invention relates to the field of circuit breaker interlocking, in particular to an electrical protection interlocking device for a high-voltage cabinet circuit breaker.
Background
The safety interlocking device is an automatic device for safety purpose, the interlocking device makes the two actions have a mutually restricted relation through a mechanical or electrical mechanism, and in the production process, the interlocking device is widely adopted for ensuring normal operation, realizing automatic control and preventing accidents;
At present, chinese patent application number: CN201821864188.4 discloses a mechanical and electrical interlocking device of a circuit breaker, which comprises an inner fixing plate, an outer fixing plate and a connecting frame, wherein the inner fixing plate is fixedly connected to the front surface of the circuit breaker, a switch through hole is arranged on the inner fixing plate, the switch through hole is sleeved outside a switch key, two groups of limiting sliding grooves are arranged on the inner fixing plate, a sliding sleeve clamp is connected in a sliding manner in the limiting sliding grooves, the sliding sleeve clamp is sleeved on the switch key, one side of the sliding sleeve clamp is hinged with a connecting rod, the other end of the connecting rod is hinged at one end of the connecting rod through a hinge, a hinge column is arranged in the middle of the connecting rod, the hinge column is fixedly connected to the inner fixing plate, a group of torsion springs are sleeved outside the hinge column between the connecting rod and the inner fixing plate, and clamping blocks are arranged on the side edges of the torsion springs, so that the interlocking device can not shake during working, the working accuracy is improved, the interlocking device is prevented from being invalid, and the connecting rod is used for synchronization, and the service life and the working accuracy of the interlocking device can be increased;
however, in the use process of the electrical protection interlocking device of the high-voltage cabinet circuit breaker in the prior art, the installation distance between two circuit breakers needing to be interlocked is usually not fixed due to the size difference of the circuit breakers, the control positions of the two interlocking control positions are inconvenient to adjust and use according to the needs, the circuit breakers are usually manually turned on and off, and the interlocked circuit breakers are synchronously turned off due to the inconvenience of the existence of the interlocking mechanism, so that the safety is relatively poor in the overhaul use process.
Disclosure of Invention
Therefore, in order to solve the defects, the invention provides an electrical protection interlocking device of a high-voltage cabinet circuit breaker.
The invention discloses an electric protection interlocking device of a high-voltage cabinet circuit breaker, which comprises a first cover plate, a first rectangular groove, a stirring structure, an extension interlocking structure, a second cover plate, a second rectangular groove and a supporting structure, wherein the first rectangular groove is formed in the first cover plate, the second rectangular groove is formed in the second cover plate, the stirring structure is fastened on the left side of the front part of the first cover plate, the first cover plate and the second cover plate are connected through the extension interlocking structure with the function of stretching length, the top side of the rear part of the second cover plate is connected with the supporting structure, the stirring structure comprises a lower support fastened on the left lower side of the front part of the first cover plate, a servo motor fastened on the lower side of the front part of the lower support, a shaft rod connected with the top output end of the servo motor, an upper support connected with the top end of the shaft rod, a first arc-shaped block integrally formed on the lower side of the front part of the shaft rod, and a second arc-shaped block integrally formed on the upper side of the rear part of the shaft rod, and the rear side of the upper support is fastened with the first cover plate.
Preferably, the first arc-shaped block and the second arc-shaped block are the same in size, and the second arc-shaped block and the first arc-shaped block are respectively positioned on the upper side and the lower side of the front part of the first rectangular groove.
Preferably, the extension interlocking structure comprises a first positioning plate, a transverse plate, a second positioning plate, a rectangular support plate, a fastening bolt and an interlocking toggle assembly, wherein the rear side of the first positioning plate is fastened with the right side of the front part of the first cover plate, the transverse plate is integrally formed in the middle of the right side of the first positioning plate, the second positioning plate is wrapped and slid on the other side of the front part of the transverse plate, the rectangular support plate is fixed on the left side of the rear part of the second positioning plate, the fastening bolt is arranged on the left side of the front part of the second positioning plate, the interlocking toggle assembly is connected to the front side of the first positioning plate and the front side of the second positioning plate, the other side of the rear part of the second positioning plate is fastened with the second cover plate, the middle of the front side of the rectangular support plate is contacted with the transverse plate, and the right side of the rectangular support plate is fixed with the second cover plate.
Preferably, the left side of the front part of the first positioning plate is provided with a first groove, the right side of the front part of the second positioning plate is provided with a second groove, and the left side and the right side of the rear part of the interlocking toggle assembly are respectively arranged in the first groove and the second groove.
Preferably, a rotary column is arranged on the left side of the front part of the second positioning plate, and the front side of the rotary column is rotationally connected with the rear part of the interlocking toggle assembly.
Preferably, the interlocking toggle assembly comprises a first sliding frame embedded at the front side of the first positioning plate, a first shifting frame slidingly connected at the inner side of the first sliding frame, a first shifting head with one side formed at the left side of the first shifting frame, a telescopic transmission frame rotationally connected at the other side of the first shifting frame, a second shifting frame rotationally connected at the other end of the telescopic transmission frame, a second sliding frame connected at the left part of the rear side of the second shifting frame, and a second shifting head integrally formed at the right side of the second shifting frame, wherein the second sliding frame is embedded at the front side of the second positioning plate.
Preferably, the telescopic transmission frame comprises a first transverse sheet, a sleeve block and a second transverse sheet, wherein the left side of the first transverse sheet is rotationally connected with the first shifting frame, the sleeve block is wrapped and slides on the other side of the outer surface of the first transverse sheet, the second transverse sheet penetrates through the other side of the inner part of the sleeve block, and the other end of the second transverse sheet is rotationally connected with the second shifting frame.
Preferably, the right front side and the left rear side of the inner part of the sleeve block are provided with through grooves in a staggered mode, and the second transverse piece and the first transverse piece are respectively arranged on the inner sides of the two staggered through grooves.
Preferably, the supporting structure comprises a mounting plate, a bin seat fixed on the bottom side of the mounting plate, a rotary head rotationally connected to the right side wall of the bin seat, a rotary rod integrally formed in the middle of the left side of the rotary head, a gasket wrapped on one side of the outer surface of the rotary rod, a threaded rod integrally formed in the left end part of the rotary rod, an internal thread block in threaded connection with the outer surface of the threaded rod and a connecting block fixedly connected with the middle of the front side of the internal thread block, wherein the gasket is fixed on the right side inside the bin seat, the left end part of the threaded rod is rotationally connected with the inner wall of the bin seat, and the front side of the connecting block is connected with the second cover plate.
Preferably, the middle side of the front part of the bin seat is provided with a strip-shaped groove, the connecting block penetrates through and slides on the inner side of the strip-shaped groove, the bottom of the internal thread block is provided with a sliding block, and the bottom of the sliding block is transversely and slidably connected with the bin seat.
Preferably, the rear side of the first cover plate is connected with one circuit breaker, and the rear side of the second cover plate is connected with the other circuit breaker through a supporting structure.
The invention has the following advantages: the invention provides an electrical protection interlocking device of a high-voltage cabinet breaker through improvement, which is improved as follows compared with the same type of equipment:
Advantage 1: according to the electrical protection interlocking device for the high-voltage cabinet circuit breaker, the rear side of the first cover plate is connected with one circuit breaker, the switch of the circuit breaker is poked on the first cover plate through the poking structure to control the opening and closing of the circuit breaker, the first cover plate and the second cover plate are connected through the extension interlocking structure with the function of telescopic length, the distance between the first cover plate and the second cover plate is changed through the movement of the transverse plate in the second positioning plate, and meanwhile, the whole length of the interlocking poking assembly is synchronously changed, so that interlocking control is realized between two circuit breakers with different installation distances, the rear side of the second cover plate is connected with the other circuit breaker through the supporting structure, the transverse position of the second cover plate can be changed through the supporting structure, the interlocking between the two circuit breakers can be released, the two circuit breakers can be closed at the same time, and the use safety is improved.
Advantage 2: according to the electrical protection interlocking device for the high-voltage cabinet circuit breaker, the left side of the front part of the first positioning plate is provided with the first groove, the right side of the front part of the second positioning plate is provided with the second groove, the left side and the right side of the rear part of the interlocking stirring assembly are respectively arranged in the first groove and the second groove so as to respectively match with the circuit breaker on two sides to realize the interlocking protection of the circuit breaker, the left side of the front part of the second positioning plate is provided with the rotating column, the front side of the rotating column is rotationally connected with the rear part of the interlocking stirring assembly, and the interlocking stirring assembly rotates by taking the rotating column as a fulcrum.
Advantage 3: according to the electrical protection interlocking device for the high-voltage cabinet circuit breaker, through grooves are formed in the right front side and the left rear side of the inside of the sleeve block in a staggered mode, the second transverse piece and the first transverse piece are respectively arranged on the inner sides of the two staggered through grooves, and the first transverse piece and the second transverse piece can move in the sleeve block, so that the first shifting frame and the second shifting frame respectively act in opposite directions under the supporting and rotating action of the sleeve block.
Advantage 4: according to the electrical protection interlocking device for the high-voltage cabinet circuit breaker, the middle side of the front part of the bin seat is provided with the strip-shaped groove, the connecting block penetrates through and slides to the inner side of the strip-shaped groove, stable transverse displacement of the connecting block is guaranteed, the bottom of the internal thread block is provided with the sliding block, the bottom of the sliding block is transversely connected with the bin seat in a sliding manner, the limiting effect on the internal thread block is achieved, and the internal thread block is enabled to stably transversely move.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of a toggle structure of the present invention;
FIG. 3 is a front view of a toggle structure of the present invention;
FIG. 4 is a schematic view of the structure of the extension interlock of the present invention;
FIG. 5 is a schematic view of the connection position of the second positioning plate and the rotary column according to the present invention;
FIG. 6 is a schematic view of the structure of the interlock toggle assembly of the present invention;
Fig. 7 is a schematic structural view of the support structure of the present invention.
Wherein: the first cover plate-1, the first rectangular slot-2, the toggle structure-3, the extension interlocking structure-4, the second cover plate-5, the second rectangular slot-6, the supporting structure-7, the lower support-31, the servo motor-32, the shaft rod-33, the upper support-34, the first arc-shaped block-35, the second arc-shaped block-36, the first positioning plate-41, the cross plate-42, the second positioning plate-43, the rectangular support plate-44, the fastening bolt-45, the interlocking toggle assembly-46, the first groove-411, the second groove-431, the rotating column-432, the first carriage-461, the first shifting frame-462, the first shifting head-463, the telescopic driving frame-464, the second shifting frame-465, the second carriage-466, the second shifting head-467, the first cross plate-4641, the sleeve block-4642, the second cross plate-4643, the mounting plate-71, the bin seat-72, the rotary head-73, the rotary rod-74, the gasket-75, the threaded rod-76, the internal thread block-77, the strip-78, the strip-shaped connecting block-721 and the strip-shaped connecting block-1.
Detailed Description
The following detailed description of the present invention, taken in conjunction with the accompanying drawings, will clearly and fully describe the technical solutions of the embodiments of the present invention, it being evident that the described embodiments are only some, but not all, embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the electrical protection interlocking device of a high-voltage cabinet circuit breaker of the invention comprises a first cover plate 1, a first rectangular groove 2, a stirring structure 3, an extension interlocking structure 4, a second cover plate 5, a second rectangular groove 6 and a supporting structure 7, wherein the first rectangular groove 2 is formed in the first cover plate 1, the second rectangular groove 6 is formed in the second cover plate 5, the stirring structure 3 is fastened on the left side of the front part of the first cover plate 1 so as to stir a switch of the circuit breaker through the stirring structure 3, the opening and closing of the circuit breaker are controlled through electric control, the first cover plate 1 and the second cover plate 5 are connected through the extension interlocking structure 4 with the function of telescopic length, thus realizing the interlocking control between two circuit breakers with different installation distances, the supporting structure 7 is connected on the top side of the rear part of the second cover plate 5, the rear side of the first cover plate 1 is connected with one circuit breaker, the second cover plate 5 is connected with the other circuit breaker through the supporting structure 7 so as to respectively install the first cover plate 1 and the second cover plate 5 on the two circuit breakers, the two circuit breakers can be simultaneously opened and closed through the supporting structure 7, and the two circuit breakers can be simultaneously closed through the two lateral interlocking structures, and the two interlocking positions can be simultaneously improved.
Referring to fig. 1, 2 and 3, in the electrical protection interlocking device of a high-voltage cabinet circuit breaker of the present invention, the toggle structure 3 includes a lower support 31 fastened at the left lower side of the front portion of the first cover plate 1, a servo motor 32 fastened at the middle lower side of the front portion of the lower support 31, a shaft lever 33 connected to the output end of the top of the servo motor 32, an upper support 34 connected to the top end of the shaft lever 33, so as to ensure the stability of rotation of the shaft lever 33, a first arc-shaped block 35 integrally formed at the lower side of the front portion of the shaft lever 33, and a second arc-shaped block 36 integrally formed at the upper side of the rear portion of the shaft lever 33, so that the shaft lever 33 drives the first arc-shaped block 35 and the second arc-shaped block 36 to act under the action of the servo motor 32, the rear side of the upper support 34 is fastened with the first cover plate 1, the first arc-shaped block 35 and the second arc-shaped block 36 have the same size, and the second arc-shaped block 36 and the first arc-shaped block 35 are respectively positioned at the upper and lower sides of the front portion of the first rectangular slot 2, so as to drive the opening and closing of the circuit breaker.
Referring to fig. 1,4, 5 and 6, the extension interlocking structure 4 of the electrical protection interlocking device for a high-voltage cabinet circuit breaker of the present invention includes a first positioning plate 41 with a rear side fastened to a right side of a front portion of a first cover plate 1, a cross plate 42 integrally formed at a middle portion of the right side of the first positioning plate 41, a second positioning plate 43 wrapped and sliding on the other side of the front portion of the cross plate 42, a rectangular support plate 44 fixed at a left side of the rear portion of the second positioning plate 43, a fastening bolt 45 disposed at a left side of the front portion of the second positioning plate 43, and an interlocking toggle assembly 46 connected to the front side of the first positioning plate 41 and the front side of the second positioning plate 43, wherein the second positioning plate 43 can be laterally shifted on a surface of the cross plate 42 and locked by the fastening bolt 45, so that a distance between the first positioning plate 41 and the second positioning plate 43 is adjusted to accommodate two circuit breakers with different installation distances, the other side of the rear portion of the second positioning plate 43 is fastened to the second cover plate 5, the middle portion of the front side of the rectangular support plate 44 is contacted with the cross plate 42, and the right side of the rectangular support plate 44 is fixed to the second cover plate 5, so as to ensure stability after the position is shifted.
The left side in front of first locating plate 41 is provided with first recess 411, the right side in front of second locating plate 43 is provided with second recess 431 to interlock is stirred subassembly 46 rear portion left and right sides and is installed respectively in first recess 411 and second recess 431 inside, in order to cooperate the interlock protection that realizes the circuit breaker with the circuit breaker in both sides respectively, the left side in front of second locating plate 43 is provided with the column 432, and column 432 front side and interlock are stirred subassembly 46 rear portion and are rotated and be connected, interlock is stirred subassembly 46 and is rotated through column 432 as the fulcrum.
The interlocking toggle assembly 46 comprises a first sliding frame 461 embedded in the front side of the first positioning plate 41, a first shifting frame 462 slidingly connected to the inner side of the first sliding frame 461, a first shifting head 463 with one side formed on the left side of the first shifting frame 462, and when a circuit breaker is operated, the first shifting head 463 is driven to operate, so that the first shifting frame 462 longitudinally moves in the first sliding frame 461, a telescopic transmission frame 464 rotationally connected to the other side of the first shifting frame 462, a second shifting frame 465 rotationally connected to the other end of the telescopic transmission frame 464, a second sliding frame 466 connected to the left side of the rear side of the second shifting frame 465, and a second shifting head 467 integrally formed on the right side of the second shifting frame 465.
The telescopic transmission frame 464 comprises a first transverse sheet 4641, a sleeve block 4642 and a second transverse sheet 4643, wherein the left side of the first transverse sheet 4641 is rotationally connected with the first shifting frame 462, the sleeve block 4642 wraps and slides on the other side of the outer surface of the first transverse sheet 4641, the second transverse sheet 4643 penetrates and slides on the other side of the inner portion of the sleeve block 4642, the other end of the second transverse sheet 4643 is rotationally connected with the second shifting frame 465, penetrating grooves are formed in the right front side and the left rear side of the inner portion of the sleeve block 4642 in a staggered mode, the second transverse sheet 4643 and the first transverse sheet 4641 are respectively arranged on the inner sides of the two staggered penetrating grooves, and the first transverse sheet 4641 and the second transverse sheet 4643 can move in the sleeve block 4642, so that the first shifting frame 462 and the second shifting frame 465 can respectively act in opposite directions under the supporting and rotating action of the sleeve block 4642.
Referring to fig. 1 and 7, in the electrical protection interlocking device for a high-voltage cabinet circuit breaker, the supporting structure 7 comprises a mounting plate 71, a bin seat 72 fixed at the bottom side of the mounting plate 71, a rotary head 73 rotatably connected at the right side wall of the bin seat 72, a rotary rod 74 integrally formed at the middle part of the left side of the rotary head 73, a gasket 75 wrapped on one side of the outer surface of the rotary rod 74, a threaded rod 76 integrally formed at the left end part of the rotary rod 74, an internal thread block 77 threaded on the outer surface of the threaded rod 76 and a connecting block 78 fixedly connected at the middle part of the front side of the internal thread block 77, wherein the gasket 75 is fixed at the right side inside the bin seat 72, the left end part of the threaded rod 76 is rotatably connected with the inner wall of the bin seat 72, the front side of the connecting block 78 is connected with a second cover plate 5, the rotary rod 74 is rotated at the inner side of the gasket 75 through the rotary head 73, the threaded rod 74 is enabled to enable the threaded rod 76 to drive the surface of the internal thread block 77 to transversely shift under the action of the rotary rod 74, the internal thread block enables the second cover plate 5 to transversely shift synchronously, a strip-shaped groove 721 is formed in the middle of the front side of the bin seat 72, the connecting block 78 is enabled to slide inside the groove 721, the inner side of the groove 721 is enabled to penetrate through the inner side, the groove 77 is enabled to slide, the inner side of the stable bottom of the threaded block 78 is enabled to be fixedly connected with the inner thread block 77, and the inner thread block 77 is enabled to transversely shift transversely and stably slide to the inner side of the bin seat 77, which is enabled to be arranged.
The invention provides an electric protection interlocking device of a high-voltage cabinet circuit breaker through improvement, which has the following working principle:
Firstly, a first cover plate 1 is installed on a circuit breaker at a mains supply access end, a switch of the circuit breaker is positioned in a first rectangular groove 2, a second positioning plate 43 is moved on a transverse plate 42 to enable an installation plate 71 to be positioned on the circuit breaker at a standby power supply end, the transverse plate 42 is locked on the inner side of the second positioning plate 43 through a fastening bolt 45, the first transverse plate 4641 is synchronously moved to the inner side of a sleeve block 4642 while the transverse plate 42 is moved, and then the installation plate 71 is locked on the circuit breaker at the standby power supply end, and the switch of the circuit breaker is positioned in a second rectangular groove 6;
Secondly, when the circuit breaker at the mains supply access end needs to be controlled to be opened or closed, the servo motor 32 can be controlled to be started, the shaft lever 33 drives the first arc-shaped block 35 and the second arc-shaped block 36 to act under the action of the servo motor 32, the circuit breaker switch is driven to be upwards broken when the first arc-shaped block 35 contacts with the switch of the circuit breaker, a certain interval exists between the second arc-shaped block 36 and the first arc-shaped block 35 to enable the circuit breaker switch to normally act, and the switch is driven to be downwards broken when the second arc-shaped block 36 contacts with the switch of the circuit breaker, so that the circuit breaker can be driven to be opened and closed by the switch action of the circuit breaker;
Third, when the breaker switch at the mains supply access end is turned on or off, the switch drives the first shifting head 463 to longitudinally shift, the first shifting head 463 makes the first shifting frame 462 longitudinally move in the first carriage 461, the first shifting frame 462 makes the first transverse sheet 4641 drive the sleeve block 4642 to rotate on the rotating post 432 through matching with the first transverse sheet 4641, meanwhile, the first transverse sheet 4641 moves in the sleeve block 4642 to ensure that the rotation of the sleeve block 4642 does not generate clamping, and simultaneously, when the sleeve block 4642 rotates in the position, the second shifting frame 465 makes the second shifting frame 465 perform shifting motion in the opposite direction to the first shifting frame 462 through the second transverse sheet 4643, so that the second shifting frame 465 moves inside the second carriage 466 to make the second shifting head 467 shift in the opposite direction to the first shifting head 463, and further make the second shifting head 467 drive the breaker switch at the standby power supply end to be interlocked with the breaker at the mains supply access end;
Fourth, when the inside maintenance of the high-voltage cabinet is required, the breaker switch at the mains supply access end is turned off by the start of the servo motor 32, then the fastening bolt 45 is unscrewed from the transverse plate 42, the rotary head 73 is rotated by the screwdriver, the rotary rod 74 is rotated at the inner side of the gasket 75 by the rotary head 73, the threaded rod 76 drives the internal thread block 77 on the surface to transversely shift under the action of the rotary rod 74, so that the internal thread block enables the second cover plate 5 to synchronously transversely shift through the connecting block 78, the second shifting head 467 is separated from contact with the breaker switch at the standby power supply end, and then the breaker switch at the standby power supply end is turned off to maintain the inside of the high-voltage cabinet.
According to the electrical protection interlocking device for the high-voltage cabinet circuit breaker, the rear side of the first cover plate 1 is connected with one circuit breaker, the switch of the circuit breaker is poked on the first cover plate 1 through the poking structure 3 to control the opening and closing of the circuit breaker, the first cover plate 1 and the second cover plate 5 are connected through the extension interlocking structure 4 with the function of telescopic length, the distance between the first cover plate 1 and the second cover plate 5 is changed through the movement of the transverse plate 42 in the second positioning plate 43, meanwhile, the interlocking poking assembly 46 synchronously changes the whole length, so that the interlocking control is realized between two circuit breakers with different installation distances, the rear side of the second cover plate 5 is connected with the other circuit breaker through the supporting structure 7, the transverse position of the second cover plate 5 can be changed through the supporting structure 7, the interlocking between the two circuit breakers can be released, the two circuit breakers can be closed simultaneously, and the use safety is improved; the left side of the front part of the first positioning plate 41 is provided with a first groove 411, the right side of the front part of the second positioning plate 43 is provided with a second groove 431, the left side and the right side of the rear part of the interlocking stirring assembly 46 are respectively arranged in the first groove 411 and the second groove 431 so as to respectively cooperate with a circuit breaker on two sides to realize the interlocking protection of the circuit breaker, the left side of the front part of the second positioning plate 43 is provided with a rotating column 432, the front side of the rotating column 432 is rotationally connected with the rear part of the interlocking stirring assembly 46, and the interlocking stirring assembly 46 rotates by taking the rotating column 432 as a fulcrum; the right front side and the left rear side of the inside of the sleeve block 4642 are provided with penetrating grooves in a staggered manner, the second transverse sheet 4643 and the first transverse sheet 4641 are respectively arranged on the inner sides of the two staggered penetrating grooves, and the first transverse sheet 4641 and the second transverse sheet 4643 can move in the sleeve block 4642, so that the first shifting frame 462 and the second shifting frame 465 respectively do opposite directions under the supporting and rotating action of the sleeve block 4642; the strip-shaped groove 721 is formed in the middle side of the front portion of the bin base 72, the connecting block 78 penetrates through and slides on the inner side of the strip-shaped groove 721, stable transverse displacement of the connecting block 78 is guaranteed, the sliding block 771 is arranged at the bottom of the internal thread block 77, the bottom of the sliding block 771 is transversely connected with the bin base 72 in a sliding mode, the limiting effect is achieved on the internal thread block 77, and the internal thread block 77 can stably transversely move.
The basic principle and main characteristics of the invention and the advantages of the invention are shown and described above, standard parts used by the invention can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a high-voltage board circuit breaker electrical protection interlock, includes first apron (1) and second apron (5), first rectangular channel (2) have been seted up to first apron (1) inside, second rectangular channel (6) have been seted up to second apron (5) inside;
The method is characterized in that: the left side of the front portion of first apron (1) is fastened and is stirred structure (3), first apron (1) and second apron (5) are connected through extension interlocking structure (4) that have flexible length effect, second apron (5) rear portion top side is connected with bearing structure (7), stir structure (3) including fastening in lower support (31) of the anterior left downside of first apron (1), fastening in servo motor (32) of lower side in the anterior of lower support (31), be connected in axostylus axostyle (33) of servo motor (32) top output, be connected in upper support (34) of axostylus axostyle (33) tip, integrated into one piece in first arc piece (35) of the anterior downside of axostylus axostyle (33) and integrated into one piece in second arc piece (36) of axostylus axostyle (33) rear portion upside, upper support (34) rear side and first apron (1) are fastened mutually.
2. The electrical protection interlock of a high voltage cabinet circuit breaker of claim 1 wherein: the first arc-shaped block (35) and the second arc-shaped block (36) are the same in size, and the second arc-shaped block (36) and the first arc-shaped block (35) are respectively positioned on the upper side and the lower side of the front part of the first rectangular groove (2).
3. The electrical protection interlock of a high voltage cabinet circuit breaker of claim 1 wherein: the extension interlocking structure (4) comprises a first locating plate (41) with the rear side fastened with the right side of the front part of the first cover plate (1), a transverse plate (42) integrally formed in the middle of the right side of the first locating plate (41), a second locating plate (43) wrapping and sliding on the other side of the front part of the transverse plate (42), a rectangular support plate (44) fixed on the left side of the rear part of the second locating plate (43), a fastening bolt (45) arranged on the left side of the front part of the second locating plate (43) and an interlocking toggle assembly (46) connected with the front sides of the first locating plate (41) and the second locating plate (43), the other side of the rear part of the second locating plate (43) is fastened with the second cover plate (5), the middle of the front side of the rectangular support plate (44) is contacted with the transverse plate (42), and the right side of the rectangular support plate (44) is fixed with the second cover plate (5).
4. A high-voltage cabinet circuit breaker electrical protection interlock according to claim 3 wherein: the left side of the front part of the first locating plate (41) is provided with a first groove (411), the right side of the front part of the second locating plate (43) is provided with a second groove (431), and the left side and the right side of the rear part of the interlocking toggle assembly (46) are respectively arranged in the first groove (411) and the second groove (431).
5. A high-voltage cabinet circuit breaker electrical protection interlock according to claim 3 wherein: the left side of the front part of the second positioning plate (43) is provided with a rotating column (432), and the front side of the rotating column (432) is rotationally connected with the rear part of the interlocking toggle assembly (46).
6. A high-voltage cabinet circuit breaker electrical protection interlock according to claim 3 wherein: the interlocking toggle assembly (46) comprises a first sliding frame (461) embedded at the front side of the first positioning plate (41), a first shifting frame (462) connected to the inner side of the first sliding frame (461) in a sliding mode, a first shifting head (463) with one side formed at the left side of the first shifting frame (462), a telescopic transmission frame (464) connected to the other side of the first shifting frame (462) in a rotating mode, a second shifting frame (465) connected to the other end of the telescopic transmission frame (464) in a rotating mode, a second sliding frame (466) connected to the left portion of the rear side of the second shifting frame (465) and a second shifting head (467) integrally formed at the right side of the second shifting frame (465), and the second sliding frame (466) is embedded at the front side of the second positioning plate (43).
7. The electrical protection interlock of a high voltage cabinet circuit breaker of claim 6 wherein: the telescopic transmission frame (464) comprises a first transverse sheet (4641) with the left side rotationally connected with the first shifting frame (462), a sleeve block (4642) wrapped and sliding on the other side of the outer surface of the first transverse sheet (4641), and a second transverse sheet (4643) penetrating and sliding on the other side inside the sleeve block (4642), wherein the other end of the second transverse sheet (4643) is rotationally connected with the second shifting frame (465).
8. The electrical protection interlock of a high voltage cabinet circuit breaker of claim 7 wherein: the right front side and the left rear side of the inside of the sleeve block (4642) are provided with through grooves in a staggered mode, and the second transverse piece (4643) and the first transverse piece (4641) are respectively arranged on the inner sides of the two staggered through grooves.
9. The electrical protection interlock of a high voltage cabinet circuit breaker of claim 1 wherein: the support structure (7) comprises a mounting plate (71), a bin seat (72) fixed on the bottom side of the mounting plate (71), a rotating head (73) rotationally connected to the right side wall of the bin seat (72), a rotating rod (74) integrally formed in the middle of the left side of the rotating head (73), a gasket (75) wrapped on one side of the outer surface of the rotating rod (74), a threaded rod (76) integrally formed at the left end of the rotating rod (74), an internal thread block (77) in threaded connection with the outer surface of the threaded rod (76) and a connecting block (78) fixedly connected to the middle of the front side of the internal thread block (77), wherein the gasket (75) is fixed on the right side inside the bin seat (72), the left end of the threaded rod (76) is rotationally connected with the inner wall of the bin seat (72), and the front side of the connecting block (78) is connected with a second cover plate (5).
10. The electrical protection interlock of a high voltage cabinet circuit breaker of claim 9 wherein: the middle side of the front part of the bin seat (72) is provided with a strip-shaped groove (721), a connecting block (78) penetrates through and slides to the inner side of the strip-shaped groove (721), the bottom of the internal thread block (77) is provided with a sliding block (771), and the bottom of the sliding block (771) is transversely connected with the bin seat (72) in a sliding mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410461807.9A CN118098893A (en) | 2024-04-17 | 2024-04-17 | Electrical protection interlocking device of high-voltage cabinet circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410461807.9A CN118098893A (en) | 2024-04-17 | 2024-04-17 | Electrical protection interlocking device of high-voltage cabinet circuit breaker |
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| CN118098893A true CN118098893A (en) | 2024-05-28 |
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| CN202410461807.9A Pending CN118098893A (en) | 2024-04-17 | 2024-04-17 | Electrical protection interlocking device of high-voltage cabinet circuit breaker |
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| CN219393306U (en) * | 2023-03-21 | 2023-07-21 | 深圳市鸿凯璇电气有限公司 | Interlocking mechanism for breaker switch |
| CN116525371A (en) * | 2023-06-19 | 2023-08-01 | 七星电气股份有限公司 | Switch breaker of intelligent ring main unit |
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2024
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| US4513180A (en) * | 1984-01-24 | 1985-04-23 | Siemens-Allis, Inc. | Circuit breaker operator and interlock |
| CN105070550A (en) * | 2015-07-20 | 2015-11-18 | 江苏华唐电器有限公司 | Solid insulation cabinet operating mechanism |
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