CN203690160U - Interlocking mechanism of semi-enclosed looped network circuit breaker cabinet - Google Patents
Interlocking mechanism of semi-enclosed looped network circuit breaker cabinet Download PDFInfo
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- CN203690160U CN203690160U CN201320897191.7U CN201320897191U CN203690160U CN 203690160 U CN203690160 U CN 203690160U CN 201320897191 U CN201320897191 U CN 201320897191U CN 203690160 U CN203690160 U CN 203690160U
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- interlocking
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- earthed switch
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Abstract
The utility model discloses an interlocking mechanism of a semi-enclosed looped network circuit breaker cabinet. The circuit breaker cabinet comprises a circuit breaker, a grounding switch and a disconnecting switch, and the interlocking mechanism comprises a grounding switch operating shaft, a disconnecting switch operating shaft, an interlocking shaft, a locking plate capable of shielding the two operating shafts, a disconnecting switch opening/closing indicator and a grounding switch opening/closing indicator which shield the locking plate to move left and right respectively, a grounding switch interlocking pull rod which is fixedly connected with the grounding switch opening/closing indicator and can move up and down, a disconnecting switch interlocking pull rod which is fixedly connected with the disconnecting switch opening/closing indicator and can move up and down, a first connecting rod which is connected with the right end of the interlocking shaft and a main shaft of the circuit breaker, a second connecting rod which is connected with the disconnecting switch interlocking pull rod and the circuit breaker, a third connecting rod which is connected with the grounding switch operating shaft and the grounding switch, and a blocking member of which the lower end is connected with the interlocking shaft and which can shield the disconnecting switch operating shaft. The interlocking device must be operated according to a certain sequence, thereby being able to prevent maloperation.
Description
Technical field
The utility model relates to a kind of electric switch equipment, relates in particular to a kind of interlocking device of semiclosed looped network breaker cabinet.
Background technology
In high pressure complete set of equipments, " five is anti-" interlocking of its operating mechanism, prevent that mistake from divide/closing circuit breaker, preventing that on-load from dividing/closing isolating switch, preventing that with cable address/close earthed switch etc. be the basic demand of its mechanical interlocking, for semi-closed ring net breaker cabinet, this just relates to earthed switch, isolating switch, the separating brake of three switches of circuit breaker and the order of combined floodgate, and the not words of misoperation in order of operator, not only can cause the damage of semiclosed looped network breaker cabinet, but also can threaten to personal safety.
Utility model content
The purpose of this utility model is to provide a kind of interlocking device of the semiclosed looped network breaker cabinet that prevents misoperation.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of interlocking device of semiclosed looped network breaker cabinet, described sealing looped network breaker cabinet comprises a circuit breaker, one earthed switch and an isolating switch, described circuit breaker comprises a main shaft, described interlocking device comprises a jam plate seat and is arranged at jam plate seat rear and the energy jam plate that jam plate seat moves left and right relatively, horizontal direction is extended the interlocking shaft that is arranged at jam plate rear lower portion, fore-and-aft direction extends the earthed switch operating axis that is arranged at jam plate rear upper right, fore-and-aft direction extends the isolator operation axle that is arranged at jam plate rear upper left-hand, be arranged at the first lock frame of earthed switch below, can be arranged in up or down lower gate interlock pull bar and the earthed switch interlocking pull bar of the first lock frame, be arranged at jam plate right side and one end be fixedly connected on the earthed switch deciliter indicateing arm of earthed switch interlocking pull bar, be fixedly installed on the first fan plate and the second fan plate of earthed switch operating axis one end, described the first fan plate can compress earthed switch interlocking pull bar, the second fan plate can compress lower gate interlock pull bar, described interlocking device also comprises the support that is arranged at isolator operation axle below, can be arranged in up or down the isolating switch interlocking pull bar of described support, be arranged on isolator operation axle can with the isolating switch projection that pull bar compresses of interlocking, be arranged at jam plate left side and one end be fixed in the isolating switch deciliter indicateing arm of isolating switch interlocking pull bar, can be arranged in up or down the block piece of the blocked isolator operation axle of support, described block piece lower end is connected in interlocking shaft, described interlocking device also comprises first connecting rod and second connecting rod, third connecting rod, described first connecting rod lower end connecting breaker main shaft, upper end is connected in interlocking shaft right-hand member, second connecting rod lower end connecting breaker and can block the interlocking of breaker main shaft, upper end is connected in isolating switch interlocking pull bar, the 3rd pull bar upper end is connected in the earthed switch operating axis other end, lower end connects earthed switch, the corresponding earthed switch operating axis of described jam plate seat and isolator operation axle are provided with two through hole.
Described jam plate comprise a body and extend toward the left and right sides respectively from body upper end for stopping the first barrier plate of earthed switch operating axis and for stopping the second barrier plate of isolator operation axle.
Described jam plate also comprises the 3rd barrier plate and the 4th block piece that extend the right both sides of turning left respectively from body middle and lower part.
Between described lower gate interlock pull bar and the first lock frame, be provided with the first spring, between earthed switch interlocking pull bar and the first lock frame, be provided with the second spring.
Described support comprises one second lock frame and is fixedly installed on the 3rd of the second right side, lock frame upper end locks frame, and isolating switch interlocking pull bar is arranged in the second lock frame left side, and is provided with the 3rd spring between isolating switch interlocking pull bar and the second lock frame.
Described block piece comprises an interlocking square steel, is fixedly installed on the interlocking catch that blocks described isolator operation axle of interlocking square steel upper end, and described interlocking square steel is arranged in the 3rd lock frame.
The lower end of stating interlocking square steel is positioned at the second lock frame through the upper surface of the second lock frame, described interlock also comprises an interlock plate, an interlocking shaft fixed head, described interlock plate one end is rotatably connected in interlocking square steel lower end, the other end is connected in interlocking shaft fixed head, and described interlocking shaft fixed head is connected with interlocking shaft.
Between described interlocking square steel and the 3rd lock frame, be provided with the 4th spring.
Described interlocking shaft right-hand member is connected with first connecting rod upper end by a locking plate.
Described semiclosed looped network breaker cabinet also comprises a cabinet, described cabinet is divided into top and bottom, described circuit breaker, earthed switch are placed in cabinet bottom, first, second connecting rod and isolating switch interlocking pull bar run through up and down, other parts are placed in cabinet top, the bottom of described cabinet is provided with lower door-plate, is provided with lower gate interlock hook on described lower door-plate, and lower gate interlock hook can be pinned in described lower gate interlock pull bar lower end.
The beneficial effects of the utility model are: want to close a floodgate or separating brake circuit breaker, must operate step by step in a certain order, otherwise cannot operate, so, can prevent misoperation, avoid semi-closed ring net breaker cabinet and operator's person to bring injury.
Accompanying drawing explanation
Fig. 1 is the utility model interlocking device floor map;
Fig. 2 is according to the enlarged diagram of A part in Fig. 1;
Fig. 3 is according to the generalized section of B---B direction in Fig. 1;
Fig. 4 is according to the enlarged diagram of D part in Fig. 3;
Fig. 5 is according to the generalized section of C---C direction in Fig. 1;
Fig. 6 is according to the enlarged diagram of E part in Fig. 5.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
In the following description, define above-below direction all around according to the direction in Fig. 1.
As Fig. 1, 2, 3, 4, shown in 5, the utility model sealing looped network breaker cabinet comprises a circuit breaker 1, one earthed switch 2 and an isolating switch 3, described circuit breaker 1 comprises a main shaft (not shown), the interlocking device of the utility model sealing looped network breaker cabinet comprises a jam plate seat 4 and is arranged at jam plate seat 4 rears and the energy jam plate 5 that jam plate seat 4 moves left and right relatively, horizontal direction is extended the interlocking shaft 6 that is arranged at jam plate 5 rear lower portion, fore-and-aft direction extends the earthed switch operating axis 7 that is arranged at jam plate 5 rear upper right, fore-and-aft direction extends the isolator operation axle 8 that is arranged at jam plate 5 rear upper left-hand, be arranged at the first lock frame 9 of earthed switch 2 belows, can be arranged in up or down the lower gate interlock pull bar 10 and earthed switch interlocking pull bar 11 of the first lock frame 9, be arranged at jam plate 5 right sides and one end be fixedly connected on the earthed switch deciliter indicateing arm 12 of earthed switch interlocking pull bar 11, be fixedly installed on the first fan plate 13 and the second fan plate 14 of earthed switch operating axis 7 one end, described the first fan plate 13 can compress earthed switch interlocking pull bar 11, the second fan plate 14 can compress lower gate interlock pull bar 10, described interlocking device also comprises the support 15 that is arranged at isolator operation axle 8 belows, can be arranged in up or down the isolating switch interlocking pull bar 16 of support 15, be arranged on isolator operation axle 8 and can with the isolating switch projection 81 that pull bar 16 compresses of interlocking, be arranged at jam plate 5 left sides and one end be fixed in the isolating switch deciliter indicateing arm 17 of isolating switch interlocking pull bar 16, can be arranged in up or down the block piece 18 of the blocked isolator operation axle 8 of support 15, described block piece 18 lower ends are connected in interlocking shaft 6, described interlocking device also comprises first connecting rod 19 and second connecting rod 20, third connecting rod 21, the main shaft of described first connecting rod 19 lower end connecting breakers 1, upper end is connected in interlocking shaft 6 right-hand members, second connecting rod 20 lower end connecting breakers 1 and can block the interlocking of circuit breaker 1 main shaft, upper end is connected in isolating switch interlocking pull bar 16, described third connecting rod 21 upper ends are connected in earthed switch operating axis 7 other ends, lower end connects earthed switch 2, the corresponding earthed switch operating axis 7 of described jam plate seat 4 is provided with two through hole 40 with isolator operation axle 8, 41, put in operation with handled easily handle 22.
As Fig. 1, shown in 2, in the present embodiment, described jam plate 5 is for stopping earthed switch operating axis 7 and isolator operation axle 8, specifically, described jam plate 5 comprise a body 51 and extend toward the left and right sides respectively from body 51 upper ends for stopping the first barrier plate 52 of earthed switch operating axis 7 and for stopping the second barrier plate 53 of isolator operation axle 8, also comprise the 3rd barrier plate 54 and the 4th barrier plate 55 that extend the right both sides of turning left respectively from body 51 middle and lower parts, in the time that earthed switch deciliter indicateing arm 12 is positioned at the 3rd barrier plate 54 right side, can stop that jam plate 5 dextrad move, earthed switch deciliter indicateing arm 12 moves down and can get out of the way the 3rd barrier plate 54, now jam plate 5 can be toward moving right, thereby get out of the way stopping isolator operation axle 8, in the time that isolating switch deciliter indicateing arm 17 is positioned at the 4th barrier plate 55 left side, can stop that jam plate 5 left-hands move, isolating switch deciliter indicateing arm 17 moves down and can get out of the way the 4th barrier plate 55, and now jam plate 5 can past move left, thereby gets out of the way stopping ground connection switching manipulation axle 7.
As shown in Figure 3,4, between described lower gate interlock pull bar 10 and the first lock frame 9, be provided with the first spring 23, between earthed switch interlocking pull bar 11 and the first lock frame 9, be provided with the second spring 24.
Described earthed switch operating axis 7 is rotatably arranged at the first lock frame 9 tops, the first fan plate 13 and the second fan plate 14 compartment of terrains are fixedly arranged on earthed switch operating axis 7 one end near jam plate 5, the first fan plate 13 is arranged at the top of earthed switch interlocking pull bar 11, the second fan plate 14 is arranged at the top of lower gate interlock pull bar 10, rotation earthed switch operating axis 7, can drive the first fan plate 13 to promote earthed switch interlocking pull bar 11 and move down, the second fan plate 14 can promote lower gate interlock pull bar 10 and move down.Earthed switch interlocking pull bar 11 can drive earthed switch deciliter indicateing arm 12 to move down when moving down, thereby gets out of the way stopping that jam plate 5 dextrad are moved, now, dextrad moves jam plate 5, can expose isolator operation axle 8.
Described earthed switch indicateing arm 12 can be arranged at the right side of jam plate 5 up or down, and because its one end is fixed in earthed switch interlocking pull bar 11, thereby earthed switch indicateing arm 12 can move together along with the earthed switch pull bar 11 of interlocking.Specifically, described the first lock frame 9 one sides are provided with an elongate slots 91, corresponding, jam plate seat 4 is also provided with an elongate slots 42, one end of earthed switch deciliter indicateing arm 12 is fixedly connected with earthed switch interlocking pull bar 11, and the other end is locked the elongate slots of frame 9 and jam plate seat 4 and is exposed to outside jam plate seat 4 through first.In the present embodiment, preferably, described earthed switch indicateing arm 12 is T-shaped, and the lateral part 121 of described T shape is exposed to outside jam plate seat 4.
Third connecting rod 21 upper ends are connected in earthed switch operating axis 7 one end away from jam plate 5 by a connecting lever 211, and lower end is connected with earthed switch 2, thereby operational grounding switching manipulation axle 7 just can be controlled earthed switch 2 separating brakes or combined floodgate.
Described interlocking shaft 6 right-hand members are connected with first connecting rod 19 upper ends by a locking plate 25.
As shown in Fig. 1,2,5,6, described support 15 comprises one second lock frame 151 and is fixedly installed on the 3rd lock frame 152 on the second lock frame 151 right sides, upper end, isolating switch interlocking pull bar 16 is arranged in the second lock frame 151 left sides, and is provided with the 3rd spring 26 between isolating switch interlocking pull bar 16 and the second lock frame 151; Projection 81 is set on isolator operation axle 8, thereby rotary isolation switch operating axis 8 can make described protruding 81 promotion isolating switch interlocking pull bars 16 move down, drive isolating switch deciliter indicateing arm 17 also to move down, thereby no longer stop that jam plate 5 left-hands move, now move jam plate 5 to the left side, can expose earthed switch operating axis 7.
Described block piece 18 comprises an interlocking square steel 181, is fixedly installed on the interlocking catch 182 that blocks described isolator operation axle 8 of interlocking square steel 181 upper ends, move up and down interlocking square steel 181 and can drive the relative isolator operation axle 8 of interlocking catch 182 to move up and down, thereby block or get out of the way isolator operation axle 8.Described interlocking square steel 181 is arranged in the 3rd lock frame 152, and the lower end of interlocking square steel 181 is positioned at the second lock frame 151 through the upper surface of the second lock frame 151, between interlocking square steel 181 and the 3rd lock frame 152, be provided with the 4th spring 183, described interlock also comprises an interlock plate 27, one interlocking shaft fixed head 28, described interlock plate 27 one end are rotatably connected in interlocking square steel 181 lower ends, the other end is connected in interlocking shaft fixed head 28, described interlocking shaft fixed head 28 is connected with interlocking shaft 6, thereby realization interlocking square steel 181 is connected with interlocking shaft 6, realize being connected of block piece 18 and interlocking shaft 6.In the present embodiment, the other end of described interlock plate 27 is to pass outside the second lock frame 151 to be connected with interlocking shaft fixed head 28.In the present embodiment, preferably, described interlocking catch 182 is L-shaped, comprises a gear in the transverse barriers part 184 in isolator operation axle 8 fronts and is connected in the connecting portion 185 of block piece 18 one end, and described interlocking square steel 181 upper ends are fixed in the connecting portion 185 of interlocking catch 182.
Described isolating switch deciliter indicateing arm 17 can be arranged at the left side of jam plate 5 up or down, because its one end is fixed in isolating switch interlocking pull bar 16, thereby isolating switch deciliter indicateing arm 17 can move up and down together along with the isolating switch pull bar 16 of interlocking.Specifically, as shown in Figure 6, described the second lock frame 151 1 sides are provided with an elongate slots 153, corresponding, jam plate seat 4 is also provided with an elongate slots 43, one end of isolating switch deciliter indicateing arm 17 is fixedly connected with isolating switch interlocking pull bar 16, and the other end is locked the elongate slots 153,43 of frame 15 and jam plate seat 4 and is exposed to outside jam plate seat 4 through second.In the present embodiment, preferably, described isolating switch indicateing arm 17 is T-shaped, and the lateral part 171 of described T shape is exposed to outside jam plate seat 4.
In the present embodiment, described isolating switch interlocking pull bar 16 lower ends are piercing in the below of the 3rd lock frame 152, and described second connecting rod 20 upper ends are connected in the lower end of isolating switch interlocking pull bar 16.
In the present embodiment, described semiclosed looped network breaker cabinet also comprises a cabinet (not shown), described cabinet is divided into top and bottom, described circuit breaker 1, earthed switch 2 are placed in cabinet bottom, first, second connecting rod 19,20 and isolating switch interlocking pull bar 16 run through up and down, and other parts are placed in cabinet top.The bottom of described cabinet is provided with lower door-plate (not shown), on described lower door-plate, be provided with lower gate interlock 29 (as shown in Figure 4) of hook, lower gate interlock hook 29 can be pinned in described lower gate interlock pull bar 10 lower ends, thereby controls the Kai Heguan of lower door-plate.
Breaker switching-on operation: first divide earthed switch 2, insert on earthed switch operating axis 7 by operating grip 22, clockwise rotate operating grip 22, earthed switch operating axis 7 rotates thereupon, interlock third connecting rod 21 by connecting lever 211 follows by action, thereby separating brake earthed switch 2, when earthed switch operating axis 7 rotates, first, the second fan plate 13, 14 depress respectively lower gate interlock pull bar 10 and earthed switch interlocking pull bar 11, lower gate interlock pull bar 10 pins lower gate interlock hook 29, lower door-plate (not shown) cannot be opened, earthed switch interlocking pull bar 11 can move down with earthed switch deciliter indicateing arm 12 down time, thereby earthed switch indicateing arm 12 gets out of the way stopping that jam plate 5 dextrad are moved, now just can close isolating switch 3, slide to the right by jam plate 5, expose isolator operation axle 8, operating grip 22 is inserted on isolator operation axle 8, clockwise rotate operating grip 22, isolator operation axle 8 rotates thereupon, thereby close isolating switch 3, the projection 81 of isolator operation axle 8 is got out of the way compressing isolating switch interlocking pull bar 16 simultaneously, under the effect of the 3rd spring 26, isolating switch interlocking pull bar 16 up moves, drive second connecting rod 20 also up to move, thereby get out of the way the interlocking of circuit breaker 1 main shaft, isolating switch deciliter indicateing arm 17 also and then up moves simultaneously, form stopping that jam plate 5 left-hands are moved, because the up mobile interlocking that gets out of the way circuit breaker 1 main shaft of isolating switch interlocking pull bar 16, circuit breaker 1 now can close a floodgate, it is the manual or electronic circuit breaker 1 that closes, drive first connecting rod 19 to move downward by circuit breaker 1 main shaft, first connecting rod 19 link locking plate 25, interlocking shaft 6, interlocking shaft fixed head 28 and interlock plate 27, make to interlock square steel 181 with move downward, interlocking catch 182 thereupon together down motion block isolator operation axle 8, now isolator operation axle 8 can not operate.
Breaker open operation operation: first divide circuit breaker 1, it is manual or electronic point circuit breaker 1, first connecting rod 19 is moved upward, first connecting rod 19 link locking plate 25, interlocking shaft 6, interlocking shaft fixed head 28 and interlock plate 27, drive interlocking square steel 181 to move upward, interlocking catch 182 up moves and gets out of the way isolator operation axle 8 together thereupon, now divide isolating switch 3, slide to the right by jam plate 5, expose isolator operation axle 8, operating grip 22 is inserted on isolator operation axle 8, rotate counterclockwise operating grip 22, isolator operation axle 8 is rotation together thereupon, separating brake isolating switch 3, isolator operation axle 8 projections 81 are depressed simultaneously, isolating switch is interlocked to pull bar 16 toward pressing down, thereby second connecting rod 20 moves downward the interlocking that blocks circuit breaker 1 main shaft, circuit breaker 1 cannot close a floodgate, isolating switch 3 is in open position, and when isolating switch interlocking pull bar 16 down moves, drive down motion of isolating switch deciliter indicateing arm 17, thereby get out of the way stopping that jam plate 5 left-hands are moved, now can close earthed switch 2, slide left by jam plate 5, expose earthed switch operating axis 7, operating grip 22 is inserted on earthed switch operating axis 7, rotate counterclockwise operating grip 22, earthed switch operating axis 7 is rotated counterclockwise thereupon together, interlock connecting lever 211 and third connecting rod 21, thereby close earthed switch 2, when 7 counter-rotating of earthed switch operating axis, drive two fan plate rotations, get out of the way compressing lower gate interlock pull bar 10 and earthed switch interlocking pull bar 11, first, the second spring 23, under 24 effect, lower gate interlock pull bar 10 and earthed switch interlocking pull bar 11 up move, drive earthed switch deciliter indicateing arm 12 also up to move shelves and live jam plate 5, jam plate 5 cannot be slided to the right, therefore cannot disconnecting switch operation 3 close a floodgate, lower gate interlock pull bar 10 leaves lower gate interlock hook 29, lower door-plate can be opened.
As mentioned above, want to close a floodgate or separating brake circuit breaker 1, must operate step by step in a certain order, otherwise cannot operate, such as want to close earthed switch 2, jam plate 5 must be slided left and expose earthed switch operating axis 7 and could operate, but want the jam plate 5 that slides left, must make isolating switch deciliter indicateing arm 17 move down, and to make isolating switch deciliter indicateing arm 17 move down, necessary disconnecting switch operation operating axis 8, but the prerequisite that operating axis 18 is kept apart out in rotation makes it no longer stops except the jam plate 5 that moves right, must up move interlocking catch 182 makes it no longer stop isolator operation axle 8, and the interlocking catch 182 that will move down, necessary first separating brake circuit breaker 1, so, can prevent misoperation, avoid semi-closed ring net circuit breaker 1 cabinet and operator's person to bring injury.
As shown in Figure 4, in the present embodiment, preferably, described jam plate seat 4 extends and is provided with lock dog 44,56 forward respectively with jam plate 5, one padlock 30 pins this two lock dog, so, and when operating, also need first to open padlock 30, like this, how be equivalent to fool proof insurance operation together.
Claims (10)
1. the interlocking device of a semiclosed looped network breaker cabinet, described sealing looped network breaker cabinet comprises a circuit breaker, one earthed switch and an isolating switch, described circuit breaker comprises a main shaft, it is characterized in that: described interlocking device comprises a jam plate seat and is arranged at jam plate seat rear and the energy jam plate that jam plate seat moves left and right relatively, horizontal direction is extended the interlocking shaft that is arranged at jam plate rear lower portion, fore-and-aft direction extends the earthed switch operating axis that is arranged at jam plate rear upper right, fore-and-aft direction extends the isolator operation axle that is arranged at jam plate rear upper left-hand, be arranged at the first lock frame of earthed switch below, can be arranged in up or down lower gate interlock pull bar and the earthed switch interlocking pull bar of the first lock frame, be arranged at jam plate right side and one end be fixedly connected on the earthed switch deciliter indicateing arm of earthed switch interlocking pull bar, be fixedly installed on the first fan plate and the second fan plate of earthed switch operating axis one end, described the first fan plate can compress earthed switch interlocking pull bar, the second fan plate can compress lower gate interlock pull bar, described interlocking device also comprises the support that is arranged at isolator operation axle below, can be arranged in up or down the isolating switch interlocking pull bar of described support, be arranged on isolator operation axle can with the isolating switch projection that pull bar compresses of interlocking, be arranged at jam plate left side and one end be fixed in the isolating switch deciliter indicateing arm of isolating switch interlocking pull bar, can be arranged in up or down the block piece of the blocked isolator operation axle of support, described block piece lower end is connected in interlocking shaft, described interlocking device also comprises first connecting rod and second connecting rod, third connecting rod, described first connecting rod lower end connecting breaker main shaft, upper end is connected in interlocking shaft right-hand member, second connecting rod lower end connecting breaker and can block the interlocking of breaker main shaft, upper end is connected in isolating switch interlocking pull bar, the 3rd pull bar upper end is connected in the earthed switch operating axis other end, lower end connects earthed switch, the corresponding earthed switch operating axis of described jam plate seat and isolator operation axle are provided with two through hole.
2. the interlocking device of semiclosed looped network breaker cabinet according to claim 1, is characterized in that: described jam plate comprise a body and extend toward the left and right sides respectively from body upper end for stopping the first barrier plate of earthed switch operating axis and for stopping the second barrier plate of isolator operation axle.
3. the interlocking device of semiclosed looped network breaker cabinet according to claim 2, is characterized in that: described jam plate also comprises the 3rd barrier plate and the 4th block piece that extend the right both sides of turning left respectively from body middle and lower part.
4. the interlocking device of semiclosed looped network breaker cabinet according to claim 3, is characterized in that: between described lower gate interlock pull bar and the first lock frame, be provided with the first spring, between earthed switch interlocking pull bar and the first lock frame, be provided with the second spring.
5. according to the interlocking device of the semiclosed looped network breaker cabinet described in claim 1 or 2 or 3 or 4, it is characterized in that: described support comprises one second lock frame and is fixedly installed on the 3rd lock frame on the second right side, lock frame upper end, isolating switch interlocking pull bar is arranged in the second lock frame left side, and is provided with the 3rd spring between isolating switch interlocking pull bar and the second lock frame.
6. the interlocking device of semiclosed looped network breaker cabinet according to claim 5, it is characterized in that: described block piece comprises an interlocking square steel, is fixedly installed on the interlocking catch that blocks described isolator operation axle of interlocking square steel upper end, described interlocking square steel is arranged in the 3rd lock frame.
7. the interlocking device of semiclosed looped network breaker cabinet according to claim 6, it is characterized in that: the lower end of described interlocking square steel is positioned at the second lock frame through the upper surface of the second lock frame, described interlock also comprises an interlock plate, an interlocking shaft fixed head, described interlock plate one end is rotatably connected in interlocking square steel lower end, the other end is connected in interlocking shaft fixed head, and described interlocking shaft fixed head is connected with interlocking shaft.
8. the interlocking device of semiclosed looped network breaker cabinet according to claim 7, is characterized in that: between described interlocking square steel and the 3rd lock frame, be provided with the 4th spring.
9. according to the interlocking device of the semiclosed looped network breaker cabinet described in claim 1 or 2 or 3 or 4 or 6 or 7 or 8, it is characterized in that: described interlocking shaft right-hand member is connected with first connecting rod upper end by a locking plate.
10. the interlocking device of semiclosed looped network breaker cabinet according to claim 9, it is characterized in that: described semiclosed looped network breaker cabinet also comprises a cabinet, described cabinet is divided into top and bottom, described circuit breaker, earthed switch are placed in cabinet bottom, first, second connecting rod and isolating switch interlocking pull bar run through up and down, other parts are placed in cabinet top, the bottom of described cabinet is provided with lower door-plate, on described lower door-plate, be provided with lower gate interlock hook, lower gate interlock hook can be pinned in described lower gate interlock pull bar lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320897191.7U CN203690160U (en) | 2013-12-31 | 2013-12-31 | Interlocking mechanism of semi-enclosed looped network circuit breaker cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320897191.7U CN203690160U (en) | 2013-12-31 | 2013-12-31 | Interlocking mechanism of semi-enclosed looped network circuit breaker cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690160U true CN203690160U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320897191.7U Expired - Fee Related CN203690160U (en) | 2013-12-31 | 2013-12-31 | Interlocking mechanism of semi-enclosed looped network circuit breaker cabinet |
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| CN (1) | CN203690160U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047471A (en) * | 2015-06-15 | 2015-11-11 | 连际高新电气(上海)有限公司 | Integrated vacuum breaker |
| CN113327354A (en) * | 2021-06-07 | 2021-08-31 | 广东电网有限责任公司 | Door lock control method, device, equipment and storage medium for power grid equipment |
| CN113611565A (en) * | 2021-07-21 | 2021-11-05 | 浙江开盛电气有限公司 | Switch five-prevention interlocking device |
| CN113936940A (en) * | 2021-10-19 | 2022-01-14 | 江苏大烨智能电气股份有限公司 | Lower door interlock of direct-acting upper isolating circuit breaker |
| CN114823215A (en) * | 2022-05-31 | 2022-07-29 | 山东泰开成套电器有限公司 | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof |
-
2013
- 2013-12-31 CN CN201320897191.7U patent/CN203690160U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047471A (en) * | 2015-06-15 | 2015-11-11 | 连际高新电气(上海)有限公司 | Integrated vacuum breaker |
| CN113327354A (en) * | 2021-06-07 | 2021-08-31 | 广东电网有限责任公司 | Door lock control method, device, equipment and storage medium for power grid equipment |
| CN113611565A (en) * | 2021-07-21 | 2021-11-05 | 浙江开盛电气有限公司 | Switch five-prevention interlocking device |
| CN113936940A (en) * | 2021-10-19 | 2022-01-14 | 江苏大烨智能电气股份有限公司 | Lower door interlock of direct-acting upper isolating circuit breaker |
| CN114823215A (en) * | 2022-05-31 | 2022-07-29 | 山东泰开成套电器有限公司 | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof |
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