CN107393741B - Circuit breaker switching system - Google Patents

Circuit breaker switching system Download PDF

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Publication number
CN107393741B
CN107393741B CN201710750184.7A CN201710750184A CN107393741B CN 107393741 B CN107393741 B CN 107393741B CN 201710750184 A CN201710750184 A CN 201710750184A CN 107393741 B CN107393741 B CN 107393741B
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China
Prior art keywords
plate
rod
control plate
circuit breaker
control
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CN201710750184.7A
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CN107393741A (en
Inventor
陈勇
罗红波
向亮
朱刚宁
舒德兵
陈金波
张聚会
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Guizhou Taihao Electric Power Technology Co Ltd
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Guizhou Taihao Electric Power Technology Co Ltd
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Publication of CN107393741A publication Critical patent/CN107393741A/en
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Publication of CN107393741B publication Critical patent/CN107393741B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms

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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The invention provides a circuit breaker switch system, which comprises a grounding device and is characterized in that: the interlocking device comprises a lock rod which is used for abutting against the first control plate and limiting the movement of the first control plate, and the first control plate is connected with the limit baffle plate. According to the circuit breaker switch system, the grounding state of the grounding device can be controlled through the rotating rod, the limiting baffle plate can limit the rotation of the rotating rod, the movement between the first control plate and the limiting baffle plate is consistent, the displacement of the first control plate can be limited through the locking rod, so that the rotation of the rotating rod is limited through the locking rod, the grounding is controlled through the matching of the locking rod and the limiting baffle plate, the phenomenon of mistaken touch is effectively avoided, and the risk of safety accidents such as electric shock is reduced.

Description

Circuit breaker switching system
Technical Field
The invention belongs to the technical field of high-voltage electrical equipment, and particularly relates to a circuit breaker switching system.
Background
The safe operation of the system is always paid attention to by the power system, but various accidents caused by electric misoperation always occur every year, and unnecessary loss is caused. In order to effectively prevent personal and major equipment accidents caused by misoperation of running electrical equipment, the requirement of five prevention of the electrical equipment is put forward in 1990, and the management, operation, design and use principles of the anti-misoperation device are specified in a form of regulation.
For five-prevention mechanical interlocking of an inflatable cabinet, the five-prevention mechanical interlocking is generally realized in the prior art by adopting a flexible connection mode, for example, a steel wire rope and a nylon wire are adopted, a plastic interlocking sliding block at the tail end of the inflatable cabinet is connected with the steel wire rope or the nylon wire by adopting a self-tapping screw for fixation, and an interlocking mechanism adopted in the prior art has simple functions and can only realize simple interlocking, but in a high-voltage power system, the phenomenon of mistaken touch can occur, and safety accidents such as electric shock can occur easily.
Disclosure of Invention
The invention aims to provide a breaker switch system, which solves the technical problems that the function of an interlocking mechanism in the prior art is simple, only simple interlocking can be realized, but in a high-voltage power system, the phenomenon of mistaken touch can be generated, and safety accidents such as electric shock can be easily generated.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a circuit breaker switching system comprising: the interlocking device comprises a lock rod which is used for abutting against the first control plate and limiting the movement of the first control plate, and the first control plate is connected with the limit baffle;
the limit baffle comprises an embedded plate which can be clamped at one side of the rotating rod in a sleeving manner, and a sliding plate connected with the first control plate; a first supporting plate for supporting the sliding plate is arranged below the sliding plate; the first support plate limits the sliding plate to always move on the plane of the first support plate, and simultaneously the first support plate limits the height of the first control plate; the transmission mechanism is in transmission connection with the rotating rod, and the second control plate is connected with the transmission mechanism and can move to the position above the lock rod; a second supporting plate for supporting the second control plate is further arranged below the second control plate, and a limiting hole for the lock rod to pass through is formed in the second supporting plate; the second support plate defines that the second control plate always moves on the plane of the second support plate, and simultaneously defines the height of the second control plate.
Further, the first control plate is integrally formed with the slide plate.
Furthermore, the transmission mechanism comprises a cam plate sleeved on the rotating rod and a poking plate fixedly connected with the second control plate, and a poking rod used for poking the poking plate is arranged on the cam plate.
Furthermore, the interlocking device also comprises a cross beam, an adjusting block arranged in the cross beam, an unlocking rod arranged on one side adjacent to the locking rod and spliced with the adjusting block, and an adjusting device used for being abutted against the adjusting block.
Furthermore, a first elastic piece is sleeved on the lock rod, one end of the first elastic piece is abutted with the adjusting block, and the other end of the first elastic piece is abutted with the cross beam.
Furthermore, the locking rod is inserted into the adjusting block, the locking rod is connected with the cross beam through the first elastic piece, and the cross beam is provided with a long hole for the unlocking rod to pass through.
The circuit breaker switching system provided by the invention has the beneficial effects that: compared with the prior art, the circuit breaker switch system and the gas-filled cabinet can control the grounding state of the grounding device through the rotating rod, the limiting baffle can limit the rotation of the rotating rod, the movement between the first control panel and the limiting baffle is consistent, and the locking rod can limit the displacement of the first control panel, so that the rotation of the rotating rod is limited through the locking rod, namely whether the gas-filled cabinet is grounded or not is controlled through the locking rod, the grounding is controlled through the matching of the locking rod and the limiting baffle, the phenomenon of mistaken touch is effectively avoided, and the risk of safety accidents such as electric shock and the like is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a first schematic structural diagram of a circuit breaker switching system according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure of portion A in FIG. 1;
fig. 3 is a schematic side view of a circuit breaker switching system according to an embodiment of the present invention;
FIG. 4 is a first schematic perspective view of a transmission mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a second embodiment of a transmission mechanism according to the present invention;
FIG. 6 is a schematic perspective view of an interlock device used in an embodiment of the present invention;
FIG. 7 is an exploded view of an interlock device used in an embodiment of the present invention;
FIG. 8 is a schematic perspective view of an inflatable cabinet according to an embodiment of the present invention;
fig. 9 is an enlarged view of a structure of a portion B in fig. 8.
Wherein, in the figures, the respective reference numerals:
1-a grounding device; 2-rotating the rod; 3-limiting baffle plates; 4-a first control panel; 5-an interlock; 6-a transmission mechanism; 7-a second control panel; 8-inflating cabinet; 31-a chimeric plate; 32-a sliding plate; 41-a first support plate; 51-a locking bar; 52-a cross beam; 53-an adjustment block; 54-an unlocking lever; 55-an adjustment device; 56-a guide rod; 511-a first elastic member; 521-a main board; 522-side plate; 5211-elongated holes; 541-baffle plate; 551-drive plate; 552-microswitch seat; 5511-a step plate; 5512-a connecting plate; 5513-a second resilient member; 561-a third elastic member; 61-a cam plate; 62-a poking plate; 63-a deflector rod; 71-a second support plate; 72-a limiting hole; 73-first bending plate; 74-a second bending plate; 75-a third bending plate; 76-bending the connecting plate; 711-a limiting hole; 81-cabinet body; 82-cabinet door; 83-a fusing system; 84-a load switch system; 85-circuit breaker switching system.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and 2 together, a circuit breaker switching system 85 according to the present invention will now be described. The circuit breaker switching system 85 comprises a grounding device 1, a rotating rod 2 fixedly connected with the grounding device 1, a limiting baffle 3 used for being abutted to the rotating rod 2, a first control plate 4 connected with the limiting baffle 3, and an interlocking device 5 used for controlling the opening and closing of a cabinet door 82, wherein the interlocking device 5 comprises a locking rod 51 used for being abutted to the first control plate 4 and limiting the movement of the first control plate 4, and the first control plate 4 is connected with the limiting baffle 3.
Compared with the prior art, the circuit breaker switch system 85 provided by the invention has the advantages that the grounding state of the grounding device 1 can be controlled through the rotating rod 2, the rotation of the rotating rod 2 can be limited by the limiting baffle 3, the movement between the first control panel 4 and the limiting baffle 3 is consistent, and the displacement of the first control panel 4 can be limited by the lock rod 51, so that the rotation of the rotating rod 2 is limited through the lock rod 51, namely whether the gas-filled cabinet 8 is grounded or not is controlled through the lock rod 51, the grounding is controlled through the matching of the lock rod 51 and the limiting baffle 3, the phenomenon of mistaken touch is effectively avoided, and the risk of safety accidents such as electric shock is reduced.
Specifically, earthing device 1 is the device that is arranged in will aerifing cabinet 8 ground connection among the prior art, and dwang 2 can rotate, and through the ground connection of the rotation control earthing device 1 of dwang 2, the rotation of dwang 2 can be injectd to limit baffle 3 to control earthing device 1's ground connection. The phenomenon that the cabinet door 82 is opened under the ungrounded condition is effectively avoided, the whole inflatable cabinet 8 is ungrounded under the condition that the cabinet door 82 is effectively prevented from being punched, a very good safety interlocking effect is achieved, and the interlocking mode is stable.
Further, referring to fig. 3 to 5, as an embodiment of the circuit breaker switching system 85 provided by the present invention, the limit baffle 3 includes an engaging plate 31 that can be clamped to one side of the rotating rod 2, and a sliding plate 32 connected to the first control plate 4. Specifically, gomphosis board 31 is the plate body that sets up in circuit breaker switching system 85 one side, wherein sets up the recess that can with dwang 2 butt on the gomphosis board 31, and the rotation of dwang 2 needs the control lever (not shown) that is used for controlling dwang 2 pivoted among the prior art to drive and rotates, and wherein the control lever can overlap and establish in the dwang 2 outside, and can inject the complete registrate of control lever outside dwang 2 through the existence of this gomphosis board 31 to the realization is injectd dwang 2 pivoted effects. The sliding plate 32 is used for connecting the first control plate 4 with the fitting plate 31, the first control plate 4 is arranged at the bottom of the sliding plate 32, the first control plate 4 and the fitting plate 31 are respectively positioned at two opposite sides of the sliding plate 32, and the lock rod 51 can be inserted between the first control plate 4 and the fitting plate 31, namely, the left and right movement of the first control plate 4 is limited by the lock rod 51, namely, the position of the fitting plate 31 is also limited, and the limitation of the rotating rod 2 and the grounding device 1 can be realized.
Further, referring to fig. 1 to 3, as an embodiment of the circuit breaker switching system 85 provided by the present invention, a first supporting plate 41 for supporting the sliding plate 32 is further disposed below the sliding plate 32. Specifically, the first support plate 41 is used for supporting the sliding plate 32, the first support plate 41 can ensure that the sliding plate 32 always moves on the plane of the first support plate 41, and meanwhile, the height of the first control plate 4 is limited by supporting the sliding plate 32, so that the position of the first control plate 4 can be limited after the lock rod 51 is jacked up, and the stability of the interlocking device 5 is ensured.
Further, referring to fig. 1 to 3, as an embodiment of the circuit breaker switching system 85 provided by the present invention, the first control board 4 is integrally formed with the sliding plate 32. In particular, the integral formation between the first control plate 4 and the sliding plate 32 can ensure the stability of the connection and save the time for assembling. The embedded plate and the sliding plate 32 can be fixedly connected by adopting an integral forming mode. Of course, according to practical and specific requirements, in other embodiments of the present invention, the first control board 4, the sliding board 32 and the embedded board may be connected by using an adhesive, a fastener fixing connection, etc., and are not limited herein.
Further, referring to fig. 3 to 5, as an embodiment of the circuit breaker switching system 85 provided by the present invention, the circuit breaker switching system further includes a transmission mechanism 6 in transmission connection with the rotating rod 2, and a second control board 7 connected with the transmission mechanism 6 and movable above the lock lever 51. Specifically, the transmission mechanism 6 is used for transmitting the rotation of the rotating rod 2 to the second control plate 7, and the rotation of the rotating rod 2 is converted into the left-right movement of the second control plate 7, and the transmission mechanism 6 can be used for transmission in modes of connecting rod transmission, cam transmission, gear and rack transmission, screw rod transmission and the like. The second control plate 7 can be moved above the lock lever 51 by the driving mechanism 6, so that the up-and-down movement of the lock lever 51 is controlled by the second control plate 7.
Further, referring to fig. 3 to 5, as an embodiment of the circuit breaker switching system 85 provided by the present invention, the transmission mechanism 6 includes a cam plate 61 sleeved on the rotating rod 2, and a toggle plate 62 fixedly connected to the second control plate 7, and the cam plate 61 is provided with a toggle lever 63 for toggling the toggle plate 62. Concretely, cam driving lever 63 establishes on dwang 2 through cam plate 61 cover, the cross section of dwang 2 is non-circular, thereby guarantee can not take place relative rotation between dwang 2 and the cam plate 61, the rotation of dwang 2 can drive the rotation of cam plate 61, wherein cam plate 61 has convex disc cam for both sides, and two convex parts of both sides all are equipped with stirs, and the driving lever 63 of both sides is located the both sides of dialling plate 62 respectively, can drive the removal about dialling plate 62 through driving lever 63, thereby realize the removal about of driving lever 63, can realize the removal about second control panel 7 promptly. The two shift levers 63 on the two sides can realize the movement and the return of the shift plate 62, and the phenomenon that the shift plate 62 is taken up due to the fact that the circumferential rotation of the rotating rod 2 is too much is avoided, so that the structure is simple, and the interlocking effect is stable.
Preferably, only one shift lever 63 may be provided, and the shift plate 62 is provided with a through hole for the shift lever 63 to be inserted through, that is, the shift lever 63 rotates to drive the shift plate 62 to move left and right. The structure also has better interlocking and transmission effects.
Preferably, the shifting plate 62 is a "Y" shaped plate, and the two shifting rods 63 are located at two sides of the shifting plate 62, so that the shifting rods are not driven to rotate along with the shifting rods on the basis of achieving the shifting relationship between the shifting rods 63 and the shifting plate 62. And the Y-shaped poking plate 62 can conveniently control the stroke of the poking plate 62, the rotation of the rotating rod 2 cannot be influenced by the poking rod, and the phenomenon of blocking is effectively avoided.
Preferably, one side of the toggle plate 62 is provided with an elastic tension spring, one end of the elastic tension spring is fixedly connected with the toggle plate 62, and the other end of the elastic tension spring is connected with one fixed device in the inflatable cabinet 8, so that the reset of the toggle plate 62 can be realized to ensure the continuity of the whole interlocking device 5.
Further, referring to fig. 5, as a specific embodiment of the circuit breaker switching system 85 provided by the present invention, a second supporting plate 71 supporting the second control board 7 is further disposed below the second control board 7, and a limiting hole 71172 for the lock rod 51 to pass through is disposed on the second supporting plate 71. Specifically, the second control panel 7 is located above the second support plate 71, the second support plate 71 is used for supporting the second control panel 7, the second support plate 71 can ensure that the second control panel 7 always moves on the plane of the second support plate 71, and meanwhile, the height of the second control panel 7 is limited by the support of the second control panel 7, so that the second control panel 7 can always limit the position of the lock rod 51, the limiting hole 71172 can be used for limiting the position of the lock rod 51, the rod body of the lock rod 51 is ensured not to deviate, and the stability of the interlocking device 5 is ensured.
Preferably, the second control panel 7 includes a first bending plate 73, a second bending plate 74, a third bending plate 75 and a bending connecting plate 765512, wherein the bending connecting plate 765512 is fixedly connected to the toggling plate 62, the third bending plate 75 is perpendicular to the bending connecting plate 765512, the first bending plate 73 is disposed perpendicular to the locking rod 51, the displacement of the locking rod 51 is limited by the first bending plate 73, the second bending plate 74 is disposed on the second supporting plate 71, and the first bending plate 73 and the third bending plate 75 are connected by the second bending plate 74.
Further, referring to fig. 6 to 7, as a specific embodiment of the circuit breaker switching system 85 provided by the present invention, the interlocking device 5 further includes a cross beam 52, an adjusting block 53 disposed in the cross beam 52, an unlocking rod 5451 disposed at one side adjacent to the locking rod 51 and inserted into the adjusting block 53, and an adjusting device 55 for abutting against the adjusting block 53. Concretely, can control earthing device 1's ground connection state through dwang 2, but the rotation of dwang 2 can be injectd to limit baffle 3, and the motion between first control panel 4 and the limit baffle 3 is unanimous, and locking lever 51 can be injectd the displacement of first control panel 4, thereby injectd the rotation of dwang 2 through locking lever 51, whether aerify cabinet 8 ground connection through locking lever 51 control promptly, control ground connection through locking lever 51 and limit baffle 3 matched with, the effectual phenomenon of avoiding the mistake touching, the risk of taking place the incident such as electric shock has been reduced.
Preferably, the adjusting device 55 includes a driving plate 551 abutting against the adjusting block 53, and a micro switch base 552 elastically connected to the driving plate 551, and the driving plate 551 includes a step plate 5511 abutting against the adjusting block 53, and a connecting plate 5512 slidably connected to the micro switch base 552. Connect micro-gap switch seat 552 and ladder board 5511 through connecting plate 5512, and adjust the position of regulating block 53 through ladder board 5511, then make regulating block 53 can the return through resilience of first elastic component 511, drive regulating block 53 through unblock pole 5451 and reciprocate, and the removal of locking pole 51 is injectd then the removal that drives unblock pole 5451 by injecing, thereby realize the effect of interlocking, the steam generator is simple in structure, high reliability, whole aerify cabinet 8's intensity has been strengthened, non-deformable, and the effectual cost that has reduced.
Preferably, the cross member 52 includes a main plate 521, and two side plates 522 disposed on two sides of the main plate 521, and the driving plate 551 is located between the two side plates 522. Specifically, the cross beam 52 is a rectangular frame body, and is generally disposed between the upper cabinet 81 and the lower cabinet 81 of the inflatable cabinet 8, so as to communicate the equipment of the upper cabinet 81 with the cabinet door 82 of the lower cabinet 81, and the frame body has only three mutually perpendicular side surfaces, i.e., one side is open, and the three side surfaces are the main board 521 and the side plates 522 located at two sides of the main board 521. The adjustment block 53 is disposed inside the frame, and the stepped plate 5511 is inserted through the opening and abuts against the adjustment block 53. Wherein, the step plate 5511 is perpendicular to the main plate 521 and the two side plates 522.
Further, referring to fig. 6 to 7, as a specific embodiment of the circuit breaker switching system 85 provided by the present invention, the lock lever 51 is inserted into the adjusting block 53, the lock lever 51 is connected to the cross beam 52 through the first elastic piece 511, and the cross beam 52 is provided with a long hole 5211 for the lock release lever 5451 to pass through. Specifically, the lock lever 51 passes through the side plate 522 to be inserted into the adjusting block 53, the lock lever 51 is connected to the side plate 522 through the first elastic member 511, and the main plate 521 is provided with a long hole 5211 through which the unlocking lever 5451 passes. Specifically, the lock rod 51 can penetrate through the side plate 522 to be inserted into the adjusting block 53, the unlocking rod 5451 is located on the main board 521 and connected to the cabinet door 82, at this time, the lock rod 51 and the unlocking rod 5451 can move along with the movement of the adjusting block 53, at this time, the main board 521 is provided with a long hole 5211 for the unlocking rod 5451 to move up and down in the long hole 5211, the first elastic piece 511 is sleeved on the lock rod 51, at this time, one end of the first elastic piece 511 is abutted to the adjusting block 53, and the other end of the first elastic piece 511 is abutted to one side wall of the side plate 522. Of course, in other embodiments of the present invention, the unlocking rod 5451 may be located on the side plate 522 simultaneously with the locking rod 51, which is not limited herein.
Preferably, the lock lever 51 may further penetrate through the main board 521 to be inserted into the adjusting block 53, the lock lever 51 is connected to the main board 521 through the first elastic member 511, and the main board 521 is provided with a long hole 5211 through which the unlocking lever 5451 penetrates. Specifically, the lock rod 51 can penetrate through the main board 521 to be inserted into the adjusting block 53, the unlocking rod 5451 is located on the main board 521 and connected to the cabinet door 82, at this time, the lock rod 51 and the unlocking rod 5451 can move along with the movement of the adjusting block 53, at this time, the main board 521 is provided with a strip hole 5211 for the unlocking rod 5451 to move up and down in the strip hole 5211, the first elastic piece 511 is sleeved on the lock rod 51, at this time, one end of the first elastic piece 511 is abutted to the adjusting block 53, and the other end of the first elastic piece 511 is abutted to one side wall of the main board 521. Of course, in other embodiments of the present invention, the unlocking lever 5451 may be located on the main board 521 simultaneously with the locking lever 51, which is not limited herein.
Preferably, the lock release lever 5451 is sleeved with a stopper 541 located on one side of the adjusting block 53. Specifically, the blocking piece 541 is a circular piece, the blocking piece 541 is sleeved on the lock rod 51, and the blocking piece 541 can abut against the main board 521 or the side plate 522, so that the separation between the unlocking rod 5451 and the adjusting block 53 is avoided through the blocking piece 541. The diameter of the blocking piece 541 is smaller than the height of the main plate 521 or the side plate 522, so that the up-and-down movement of the unlocking lever 5451 is prevented from being influenced by the existence of the blocking piece 541.
Preferably, a guide rod 56 inserted into the adjusting block 53 is arranged on one side of the cross beam 52, and the guide rod 56 is located on the same side as the lock rod 51. Specifically, the guide rod 56 is arranged in parallel with the lock rod 51, and the guide rod 56 is also inserted into the adjusting block 53, so that the moving direction of the adjusting block 53 is limited by the guide rod 56 and the lock rod 51 at the same time, and the position of the adjusting block 53 is prevented from being shifted when the stepped plate 5511 moves. The height of the guide rod 56 is smaller than that of the lock rod 51, and the guide rod 56 may move with the movement of the adjusting block 53 or may not move with the movement of the adjusting block 53, which is not limited herein.
Preferably, the guide bar 56 is sleeved with a third elastic member 561. Specifically, the third elastic element 561 is sleeved on the guide rod 56, and the third elastic element 561 can realize the rebound of the unlocking rod 5451, and one end of the third elastic element 561 abuts against the adjusting block 53 and the other end abuts against the inner wall of the cross beam 52, and after the unlocking rod 5451 moves upward under the driving of the adjusting block 53, the third elastic element 561 is compressed; so that the locking lever 51 is moved down due to the returning action of the third elastic member 561 when the adjusting block 53 is not pushed up by the step plate 5511. The third elastic member 561 is preferably a spring, and of course, according to practical situations and specific requirements, in other embodiments of the present invention, the third elastic member 561 may also be a rubber member or other elastic members, which is not limited herein.
Referring to fig. 8 to 9, the present invention further provides an inflatable cabinet 8, which includes a cabinet 81, a cabinet door 82 covering the cabinet 81, and a fusing system 82, a load switch system 84 and a breaker switch system 85 disposed in the cabinet 81. And the fuse system 82, the load switch system 84 and the breaker switch system 85 all include the above-described gas-filled cabinet 8 interlock 5,
specifically, the cabinet 81 includes an upper cabinet and a lower cabinet, the upper cabinet and the lower cabinet are separated by the beam 52, the cabinet door 82 is disposed on the lower cabinet, and the interlocking device 5 can control opening and closing of the cabinet door 82. The transmission mechanism 6 can convert the rotation of the rotating rod 2 into the movement of the second control plate 7 in a link transmission mode, a cam transmission mode, a gear-rack transmission mode or a lead screw transmission mode, namely, the second control plate 7 can be driven by the transmission mechanism 6 to move to the upper side of the lock rod 51, and therefore the up-and-down movement of the lock rod 51 is controlled through the second control plate 7. Additionally, the fuse system 82, the load switch system 84, and the breaker switch system 85 are prior art.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. Circuit breaker switching system, including earthing device, its characterized in that: the locking device comprises a rotating rod fixedly connected with the grounding device, a limiting baffle plate used for being abutted to the rotating rod, a first control plate connected with the limiting baffle plate, and an interlocking device used for controlling the opening and closing of a cabinet door of the inflatable cabinet, wherein the interlocking device comprises a locking rod used for being abutted to the first control plate and limiting the first control plate to move;
the limit baffle comprises an embedded plate which can be clamped at one side of the rotating rod in a sleeving manner, and a sliding plate connected with the first control plate; a first supporting plate for supporting the sliding plate is arranged below the sliding plate; the first support plate limits the sliding plate to always move on the plane of the first support plate, and simultaneously the first support plate limits the height of the first control plate; the transmission mechanism is in transmission connection with the rotating rod, and the second control plate is connected with the transmission mechanism and can move to the position above the lock rod; a second supporting plate for supporting the second control plate is further arranged below the second control plate, and a limiting hole for the lock rod to pass through is formed in the second supporting plate; the second support plate defines that the second control plate always moves on the plane of the second support plate, and simultaneously defines the height of the second control plate.
2. The circuit breaker switching system of claim 1, wherein: the first control plate is integrally formed with the slide plate.
3. The circuit breaker switching system of claim 1, wherein: the transmission mechanism comprises a cam plate sleeved on the rotating rod and a poking plate fixedly connected with the second control plate, and a poking rod used for poking the poking plate is arranged on the cam plate.
4. The circuit breaker switching system of claim 1, wherein: the interlocking device further comprises a cross beam, an adjusting block arranged in the cross beam, an unlocking rod arranged on one side adjacent to the locking rod and connected with the adjusting block in an inserting mode, and an adjusting device used for being abutted to the adjusting block.
5. The circuit breaker switching system of claim 4 wherein: the locking rod is sleeved with a first elastic piece, one end of the first elastic piece is abutted to the adjusting block, and the other end of the first elastic piece is abutted to the cross beam.
6. The circuit breaker switching system of claim 5, wherein: the locking rod is connected with the adjusting block through the first elastic piece, and the cross beam is provided with a long hole for the unlocking rod to pass through.
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CN107393741A CN107393741A (en) 2017-11-24
CN107393741B true CN107393741B (en) 2020-02-14

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NL8500902A (en) * 1984-04-02 1985-11-01 Asea Ab SWITCH FOR SWITCH WITH REMOVABLE DEVICE GROUPS.
DE29715560U1 (en) * 1997-08-29 1998-12-24 Ramsauer, Dieter, 42555 Velbert Swing lever locking device
CA2449880C (en) * 2002-11-18 2011-07-19 Rockwell Automation Technologies, Inc. Flexible cable operated fuse switch
CN105097326A (en) * 2015-08-19 2015-11-25 厦门闽光电气实业有限公司 Mechanism for enabling isolation switch operation shaft to be interlocked with cabinet door for switch cabinet
CN207587569U (en) * 2017-08-28 2018-07-06 贵州泰豪电力科技有限公司 Killer switch system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500902A (en) * 1984-04-02 1985-11-01 Asea Ab SWITCH FOR SWITCH WITH REMOVABLE DEVICE GROUPS.
DE29715560U1 (en) * 1997-08-29 1998-12-24 Ramsauer, Dieter, 42555 Velbert Swing lever locking device
CA2449880C (en) * 2002-11-18 2011-07-19 Rockwell Automation Technologies, Inc. Flexible cable operated fuse switch
CN105097326A (en) * 2015-08-19 2015-11-25 厦门闽光电气实业有限公司 Mechanism for enabling isolation switch operation shaft to be interlocked with cabinet door for switch cabinet
CN207587569U (en) * 2017-08-28 2018-07-06 贵州泰豪电力科技有限公司 Killer switch system

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