CN207303714U - A kind of switchgear - Google Patents

A kind of switchgear Download PDF

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Publication number
CN207303714U
CN207303714U CN201721411712.8U CN201721411712U CN207303714U CN 207303714 U CN207303714 U CN 207303714U CN 201721411712 U CN201721411712 U CN 201721411712U CN 207303714 U CN207303714 U CN 207303714U
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CN
China
Prior art keywords
ground connection
isolation
transmission
plate
lever
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Active
Application number
CN201721411712.8U
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Chinese (zh)
Inventor
夏从安
余希
刘洪超
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Silent Hurricane Electric Co Ltd
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Silent Hurricane Electric Co Ltd
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Priority to CN201721411712.8U priority Critical patent/CN207303714U/en
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Publication of CN207303714U publication Critical patent/CN207303714U/en
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Abstract

Technical problem to be solved in the utility model is to provide a kind of switchgear, including cabinet, switch gear room is disposed with cabinet, operating room and cable vault, wherein, switch gear room and operating room are located above cable vault, switch indoor location three-phase load switch, operate the operating mechanism of indoor location on-load switch, operating mechanism connects the main shaft of three-phase load switch by driving part, switch gear room lower part is connected to cable vault by branch bus group, the bottom plate of switch gear room is equipped with explosion-proof valve, earthing bar is disposed with cable vault, the front of cable vault sets cabinet door, the front of operating room sets operation panel, operation panel is equipped with earthing switch division instruction and disconnecting switch division indicates.Its is simple in structure, and performance is stablized.

Description

A kind of switchgear
Technical field
It the utility model is related to switchgear.
Background technology
Current switch cabinet structure is complicated, and occupied space is big, and manufacture is of high cost, and stable operation sex expression is general.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of switchgear, its is simple in structure, and performance is stablized.
The utility model technical scheme applied to solve the technical problem is:A kind of switchgear, including cabinet, cloth in cabinet Switch gear room, operating room and cable vault are equipped with, wherein, switch gear room and operating room are located above cable vault, switch indoor location three-phase On-load switch, operates the operating mechanism of indoor location on-load switch, and operating mechanism connects three-phase load switch by driving part Main shaft, switch gear room lower part is connected to cable vault by branch bus group, and the bottom plate of switch gear room is equipped with explosion-proof valve, cloth in cable vault Earthing bar is equipped with, the front of cable vault sets cabinet door, and the front of operating room sets operation panel, and operation panel is opened equipped with ground connection Close division instruction and disconnecting switch division instruction.
Further, operation panel is equipped with pressure gauge and electrification display, and the surface of cabinet door is equipped with form and nameplate, cabinet Door top is equipped with door edge.
Further, switchgear can include multiple cabinets, and the operating room of multiple cabinets and switch gear room are total to case.
Further, which further includes control room, and control room is arranged in the top of cabinet.
Further, operating mechanism includes isolation transmission device, isolation output device, ground connection transmission device, ground connection output Device, energy storage device and Vidacare corp, isolation transmission device include isolation transmission shaft, and isolating the both ends of transmission shaft can turn It is installed on dynamicly in rack, isolates the output terminal connection isolation output device of transmission device, isolation transmission shaft is equipped with can be with Rotation isolation transmission crank arm, the linkage of isolation transmission crank arm and energy storage device simultaneously being capable of the drive storage when isolate transmission shaft rotation Energy device carries out energy storage, and isolation output device rotation is driven when energy storage device discharges energy storage, isolates the free end of transmission crank arm Equipped with isolation trundle;Isolating output device includes simultaneously rotating around isolation transmission shaft installed in the output terminal of isolation transmission shaft Isolation output toggle arm and with isolate output toggle arm linkage isolation link connecting lever, isolation linkage connecting lever outside be equipped with can Accommodate the isolation driving groove that slides wherein of isolation trundle, isolate the both ends of driving groove have with isolate trundle it is matched every From spacing arc;Being grounded transmission device includes ground connection transmission shaft, and the both ends for being grounded transmission shaft are installed in rotation in rack, are grounded The output terminal connection ground connection output device of transmission device, ground connection transmission shaft are equipped with the ground connection transmission crank arm that can be rotated therewith, connect Ground transmission crank arm links with energy storage device and when being grounded transmission shaft and rotating energy storage device can be driven to carry out energy storage, is filled in energy storage It is to drive ground connection output device to rotate to put release energy storage, and the free end for being grounded transmission crank arm is equipped with ground connection trundle;
Being grounded output device simultaneously can be around the ground connection that ground connection transmission shaft rotates including being installed on the output terminal of ground connection transmission shaft Output toggle arm and the ground connection linkage connecting lever with ground connection output toggle arm linkage, the turning end of ground connection linkage connecting lever are equipped with and can accommodate The ground connection driving groove that ground connection trundle slides wherein, being grounded the both ends of driving groove, there is the ground connection coordinated with ground connection trundle to limit Position arc.
Further, Vidacare corp includes rack-mounted driving motor, and electronic output toggle arm passes through unidirectional Bearing is installed in rotation on the output shaft of driving motor, and the free end of electronic output toggle arm is rotatably coupled electronic company Bar, Vidacare corp further include electric transmission connecting lever, and electric transmission connecting lever is equipped with rotational pin, electronic connecting rod and the rotational pin It is rotatably connected, so as to drive electric transmission connecting lever to rotate, electric transmission connecting lever is installed in rotation on isolation transmission shaft, electricity The outer rim of dynamic transmission crank arm is equipped with isolating the matched border groove of trundle.
Further, energy storage device includes energy storage compression spring, and the both ends of energy storage compression spring are equipped with pressure spring head, and pressure spring head can turn respectively It is connected to dynamicly on isolation transmission device and ground connection transmission device, telescopic rod is equipped between pressure spring head, telescopic rod can be with compression spring Shunk by compression.
Further, operating mechanism further includes isolation transmission device and is grounded the mutual interlocking gear of transmission device, the mutual lock machine Structure includes interlocking hanging plate, and interlocking hanging plate is hung in rack by kidney slot, interlocks the both ends of hanging plate respectively by notched Interlocking hole is hung on the isolation transmission shaft of isolation transmission device and is grounded the input terminal of the ground connection transmission shaft of transmission device, isolation The input terminal of transmission shaft and ground connection transmission shaft is respectively equipped with the notch to match with the notch in interlocking hole;Interlocking hanging plate is passed with isolating Moving axis and be grounded transmission shaft interlocked relationship be:When isolating transmission device and ground connection transmission device is in isolation, every From transmission shaft and the notch for being grounded transmission shaft towards the notch in interlocking hole, hanging plate is interlocked at this time in state is loosened, works as isolation When one of them of transmission device and ground connection transmission device turn to combined floodgate or earthing position, the arc surface jack-up pair of its input terminal The notch in the interlocking hole answered so that the notch of another device is limited with the notch fitting in corresponding interlocking hole, so as to fulfill Only when two devices are all in isolation, the operation that could be closed a floodgate or be grounded.
Further, be equipped with the first interlock between operating room and cable vault, the first interlock and operating mechanism and Cabinet door interlocks, and prevents from closing a floodgate under "on" position downward swing door or door opening state;First interlock includes forbidding door opening state to operate The device that the device of earthing switch and ungrounded Status Disable open the door, forbids the device that door opening state operational grounding switchs to include The lever plate being installed in rotation on the mechanism plate of operating mechanism, one end and the interlock plate of lever plate coordinate, and the other end is matched somebody with somebody with connecting rod Close, the lower end of connecting rod connects a locking plate by connecting plate, and when Xiamen is opened, locking plate is blocked by partition plate, and lever plate coordinates with connecting rod One end cannot move down, thus the other end of lever plate props up locking plate, and limitation interlock plate is moved to the direction for exposing ground connection input shaft, So as to forbid ground connection to operate;When Xiamen is shut, locking plate is promoted to leave the position with partition plate interference, lever plate is in unrestricted at this time State, interlock plate can expose ground connection input shaft by mobile, it is allowed to ground connection operation;Locking plate is L-shaped, and its one end is rotationally It is connected on connecting plate, partition plate, which is equipped with, can accommodate the jack that the other end of locking plate stretches into, and when Xiamen is opened, locking plate turns naturally Dynamic, its other end is stretched into jack, and locking plate is equipped with catch above jack, and when locking plate is stretched into jack, the catch is positioned at slotting Above hole, and partition plate interference engagement, so that by forbidding the device that door opening state operational grounding switchs to limit the movement of interlock plate, When Xiamen is closed, the bottom of the door side contact L-shaped locking plate of Xiamen so that L-shaped locking plate turns to catch and departs from interference with partition plate, The restriction state of lever plate is released from, and can carry out ground connection operation at this time.
Further, the device that ungrounded Status Disable opens the door includes the cam sleeve being installed on ground connection input shaft and can The division indicator board being rotatably mounted on mechanism plate, one end of division indicator board are set in the peripheral of cam sleeve and can be with convex The rotation linkage of wheel case, the other end of division indicator board are rotatably coupled connecting rod, and the other end connection connecting plate of connecting rod, works as ground connection When input shaft turns to ungrounded state, drive connecting plate to be displaced downwardly in the lockhole for extending into Xiamen by connecting rod, Xiamen pinned, No matter interlock plate is in the position for hiding or exposing ground connection input shaft at this time, can not all carry out opening door operation, division indicator board One end is in semi-circular shape, and the middle part of semi-circular shape is installed on mechanism plate by shaft, and the other end of division indicator board is in lath Shape and connection-rod linkage.
The beneficial effects of the utility model are:The cabinet body structure of the utility model is compact, rationally distributed, the utility model Operating mechanism performance is stablized, service life length, and the overall structure of the utility model is safe and reliable.
Brief description of the drawings
Fig. 1 is the front elevation of switchgear.
The A-A direction views of Fig. 2 Fig. 1.
Fig. 3 is the stereogram of the switchgear with control room.
Fig. 4 is the stereogram for concealing switchgear after operation panel, and position of drawing a circle in figure is the installation position of the first interlock Put.
Fig. 5 is the schematic diagram that multiple cabinets are total to case.
Fig. 6 is the axonometric drawing of operating mechanism.
Fig. 7 is the explosive view of operating mechanism.
Fig. 8 is the operating principle figure of operating mechanism.
Fig. 9 is the schematic diagram of the interlock of operating mechanism.
Figure 10 is the enlarged drawing for isolating output device.
Figure 11 is the enlarged drawing for being grounded output device.
Figure 12 is schematic diagram of the device for forbidding door opening state operational grounding to switch in door opening state.
Figure 13 is schematic diagrames of the Figure 12 from another angle.
Figure 14 is schematic diagram of the device for forbidding door opening state operational grounding to switch in door closing procedure.
Figure 15 is schematic diagrames of the Figure 14 from another angle.
Figure 16 is schematic diagram of the device for forbidding door opening state operational grounding to switch under operable state.
Figure 17 is schematic diagrames of the Figure 16 from another angle.
Figure 18 is that non-ground state forbids the device of enabling in the schematic diagram of ground state.
Figure 19 is schematic diagrames of the Figure 18 from another angle.
Figure 20 is that non-ground state forbids the device of enabling in the schematic diagram of ungrounded state.
Figure 21 is schematic diagrames of the Figure 20 from another angle.
Figure label:100- cabinets, 200- switch gear rooms, 300- operating rooms, 400- cable vaults, 500- three-phase load switches, 600- operating mechanisms, 700- driving parts, 800- main shafts, 900- three phase isolated sleeves, the first mechanisms of 1- plate, the second mechanisms of 2- Plate, 3- pillars, 4- isolation transmission shafts, 5- isolation transmission crank arms, 6- isolation trundles, 7- isolation output toggle arms, 8- isolation linkages Connecting lever, 9- isolation driving grooves, 10- isolate spacing arc, 11- isolation initiating terminals, 12- isolation start ends, 13- ground connection transmission shafts, 14- It is grounded transmission crank arm, 15- ground connection trundles, 16- ground connection output toggle arms, 17- ground connection linkage connecting levers, 18- ground connection driving grooves, 19- It is grounded spacing arc, 20- ground connection initiating terminals, 21- ground starts end, 22- energy storage compression springs, 23- pressure spring heads, 24- driving motors, 25- Telescopic rod, 26- interlocking hanging plates, 27- kidney slots, 28- banking pins, 29- interlockings hole, 30- notch, 31- motor output shafts, 32- electricity Dynamic output toggle arm, 33- unilateral bearings, the electronic connecting rods of 34-, 35- rotational pins, 36-L shape bendings, 37- electric transmission connecting levers, 38- branch Busbar group, 39- explosion-proof valves, 40- earthing bars, 41- cabinet doors, 42- operation panels, 43- earthing switches division instruction, 44- keep apart Close division instruction, 45- pressure gauges, 46- electrification displays, 47- forms, 48- nameplates, 49- edges, 51- interlock plates, 52- interlockings Piece, 53- lever plates, 54- connecting rods, 55- connecting plates, 56- locking plates, 57- partition plates, 58- jacks, 59- catch, 60- cam sleeves, 61- divisions Indicator board, 62- shafts, 63- kidney slots, 64- pins, 65- lockholes.
Embodiment
The specific embodiment of the utility model is described in further details below in conjunction with attached drawing.
The switchgear of the utility model includes cabinet 100, and switch gear room 200, operating room 300 and electricity are disposed with cabinet 100 Cable room 400, wherein, switch gear room 200 and operating room 300 are located at the top of cable vault 400, and installation three-phase load is opened in switch gear room 200 500 are closed, the operating mechanism 600 of on-load switch 500 is installed in operating room 300, operating mechanism 600 is connected by driving part 700 The main shaft 800 of three-phase load switch 500, the top arrangement three phase isolated sleeve 900 of switch gear room 200,200 lower part of switch gear room passes through Branch bus group 38 is connected to cable vault 400, and the bottom plate of switch gear room 200 is equipped with explosion-proof valve 39, ground connection is disposed with cable vault 400 Row 40, the front of cable vault 400 set cabinet door 41, and the front of operating room 300 sets operation panel 42, and operation panel 42 is equipped with Earthing switch division instruction 43 and disconnecting switch division instruction 44.
Pressure gauge 45 and electrification display 46 are additionally provided with operation panel 42, the surface of cabinet door 41 is equipped with form 47 and nameplate 48, the top of cabinet door 41 is equipped with door along 49.
The switchgear can also include control room 1000, and control room 1000 is arranged in the top of cabinet 100.
As shown in figure 5, switchgear can include multiple cabinets 100, the operating room 300 of multiple cabinets 100 and switch gear room 200 Case is total to respectively, that is to say, that as shown in FIG., there are three cabinets 100 arranged side by side, at this time, the operating room 300 of 3 cabinet bodies 100 is equal For connected state, switch gear room 200 is also connected state.
The operating mechanism 600 of the utility model includes rack, rack be equipped with isolation transmission device, isolation output device, It is grounded transmission device, ground connection output device, energy storage device and Vidacare corp, Vidacare corp is by unidirectionally inputting Mode connects and drives isolation transmission device, one end of isolation transmission device connection energy storage device simultaneously being manually entered or Rotate so as to drive energy storage device to carry out energy storage under motor-driven drive, after energy storage device turns over maximum energy storage position, release Putting energy storage drives isolation transmission device to be rotated further, and isolating transmission device at this time can drive isolation output device rotation output to close Lock moment of torsion, the other end of ground connection transmission device connection energy storage device can simultaneously rotate so as to drive energy storage device under external force drive Energy storage is carried out, after energy storage device turns over maximum energy storage position, release energy storage drives ground connection transmission device to be rotated further, and connects at this time Ground transmission device can drive ground connection output device to rotate output ground connection moment of torsion.Due to only when on-load switch is in isolation When, the operation being closed a floodgate or be grounded is only safe, that is to say, that only allows isolation-combined floodgate, or the behaviour of isolation-ground connection Make, do not allow the operation of combined floodgate-ground connection or ground connection-combined floodgate, therefore, when isolating transmission device rotation, be grounded transmission device In ground connection initial state, when being grounded transmission device rotation, isolation transmission device is in combined floodgate initial state.
As shown in fig. 7, rack includes the first mechanism plate 1 positioned at operation output terminal and the second machine positioned at operation input end Structure plate 2, the outside arrangement on-load switch of the first mechanism plate 1, the first mechanism plate 1 and the second mechanism plate 2 are fixedly mounted by pillar 3 Together, under normal circumstances, the first mechanism plate 1 and the second mechanism plate 2 are arranged in parallel.
As shown in fig. 6-7, isolating transmission device includes isolation transmission shaft 4, and the input terminal of isolation transmission shaft 4 passes through rotation axis Hold and be installed in rotation on the second mechanism plate 2, its output terminal is installed in rotation on the first mechanism plate 1 by rolling bearing On, the input terminal of isolation transmission shaft 4 stretches out in the outside of the second mechanism plate 2, isolation transmission shaft 4 be equipped with can rotate therewith every From transmission crank arm 5, the free end of isolation transmission crank arm 5 is equipped with isolation trundle 6.
As shown in Figure 10, isolating output device includes simultaneously being driven around isolation installed in the output terminal of isolation transmission shaft 4 The isolation output toggle arm 7 that axis 4 rotates and the isolation linkage connecting lever 8 with isolating the linkage of output toggle arm 7, isolation linkage connecting lever 8 Outside, which is equipped with, can accommodate the isolation driving groove 9 that slides wherein of isolation trundle 6, the both ends of isolation driving groove 9 have with every The spacing arc 10 of isolation matched from trundle 6.
As shown in figure 8, when on-load switch is in isolation, isolation trundle 6 rises positioned at the isolation of isolation driving groove 9 At beginning 11, when being rotated under isolating transmission shaft 4 and being driven in external force, isolation transmission crank arm 5 drives isolation trundle 6 to turn therewith It is dynamic, while isolate transmission device and drive energy storage device to carry out energy storage, isolation trundle 6 is slided along isolation driving groove 9 during this, Isolation linkage connecting lever 8 will not be caused to interfere, when turn to energy storage device is reached maximum energy storage position when, isolation transmission at this time Pin 6 removes external force, mechanism can be rotated further under effect of inertia to be made at this time at the isolation start end 12 of isolation driving groove 9 Proper energy storage device turns over maximum energy storage position,(Or it is unfavorable use inertia, as long as can slightly turn under external force energy storage dress Energy storage release can be achieved in the maximum energy storage position put), so as to discharge energy storage and drive isolation transmission shaft 4 to be rotated further, at this It is a be rotated further during, isolation trundle 6 contact lives to isolate the isolation start end 12 of linkage connecting lever 8, and is opened by isolation The spacing arc 10 of isolation of moved end 12 drives isolation linkage connecting lever 8 to rotate, so as to drive isolation output toggle arm 7 to rotate to on-load switch Export combined floodgate moment of torsion.
When isolating transmission device progress closing operation, ground connection transmission device is in isolation.
Above is mode manually drives the mode of closing operation, the present invention further provided with Vidacare corp, Vidacare corp is mainly used for driving isolation transmission device and carries out closing operation, since ground connection operation is just needed in the case of overhauling To be used, therefore, electric Drive Mode not used to ground connection operation.
Specifically, as shown in fig. 6-7, Vidacare corp includes rack-mounted driving motor 24, driving electricity Machine 24 is outwards exported electric-powered by motor output shaft 31, and electronic output toggle arm 32 is rotatably mounted by unilateral bearing 33 On motor output shaft 31, the effect of unilateral bearing 33 is that driving motor 24 can be driven electronic defeated by motor output shaft 31 Go out connecting lever 32 to rotate, electronic output toggle arm 32 cannot drive motor output shaft 31 to rotate, so as to protect motor, also avoid manual In the case of operation, since interaction relation manual operation needs to overcome the steering force of motor, cause inconvenient to use.
The free end of electronic output toggle arm 32 is rotatably coupled electronic connecting rod 34, and Vidacare corp further includes electronic biography Dynamic connecting lever 37, electric transmission connecting lever 37 are equipped with rotational pin 35, and electronic connecting rod 34 is rotatably connected with the rotational pin 35, so as to drive Dynamic electric transmission connecting lever 37 rotates, and electric transmission connecting lever 37 is installed in rotation on isolation transmission shaft 4, electric transmission connecting lever 37 Outer rim be equipped with isolating 6 matched border groove of trundle, when electric transmission connecting lever 37 under motor driving effect with electronic company When the drive of bar 34 rotates, border groove drives isolation trundle 6 to rotate at any time, is stored up so as to drive isolation transmission shaft 4 to rotate Can, in this process, isolation trundle 6 is always positioned at one end of border groove, and the shape of whole border groove is with isolating linkage Isolation driving groove 9 on connecting lever 8 matches, and so when discharging energy storage, border groove is in same position with isolating driving groove 9, outside The presence of edge groove can't influence to isolate the movement in the isolation driving groove 9 of trundle 6, also, isolate trundle 6 and passed in isolation Movement in dynamic groove 9 will not cause to interfere to the position of electric transmission connecting lever 37, realize it is manual with it is electronic integrated and It is non-interference, afterwards the step of it is consistent with manual mode.It should be noted that the slewing area quilt due to isolation linkage connecting lever 8 The arcuate socket preset on first mechanism plate 1 defines, it is impossible to does the rotation of gamut, and is merely able in a fan angle In the range of rotate, due to interaction relation, the scope for isolating transmission shaft 4 and electric transmission connecting lever 37 is also defined in the scope It is interior, in manual mode, the angle rotated manually can be controlled, and, it is necessary to reasonably be designed, example in electric model Such as, electronic connecting rod 34 has a bending of L-shaped, the bending be connected close to electronic connecting rod 34 with electronic output toggle arm 32 one End, when motor rotates, due to the effect of bending, this one end that electronic connecting rod 34 is connected with electric transmission connecting lever 37 only can be one Determine to rotate in scope, this scope and the arcuate socket preset on the first mechanism plate 1 allow the scope for isolate rotation of connecting lever 8 that links Unanimously, the in-house interference in rotation process will not thus be caused, while also being capable of protection mechanism.
As shown in fig. 6-7, being grounded transmission device includes ground connection transmission shaft 13, is grounded the input terminal of transmission shaft 13 by turning Dynamic bearing is installed in rotation on the second mechanism plate 2, its output terminal is installed in rotation on the first mechanism by rolling bearing On plate 1, ground connection transmission shaft 13 is equipped with the ground connection transmission crank arm 14 that can be rotated therewith, and the free end of ground connection transmission crank arm 14 is equipped with It is grounded trundle 15.
As shown in figure 11, being grounded output device includes simultaneously being driven around ground connection installed in the output terminal of ground connection transmission shaft 13 The ground connection linkage connecting lever 17 that axis rotates 13 ground connection output toggle arm 16 and links with ground connection output toggle arm 16, ground connection linkage connecting lever 17 turning end, which is equipped with, can accommodate the ground connection driving groove 18 that ground connection trundle 15 slides wherein, be grounded the both ends of driving groove 18 With the spacing arc 19 of ground connection coordinated with ground connection trundle 15.
As shown in figure 8, when on-load switch is in isolation, ground connection of the ground connection trundle 15 positioned at ground connection driving groove 18 At initiating terminal 20, when be grounded transmission shaft 13 external force drive under rotate when, ground connection transmission crank arm 14 drive ground connection trundle 15 with Rotation, while be grounded transmission device drive energy storage device carry out with the energy storage of "on" position opposite direction, be grounded during this and pass Dynamic pin 15 is slided along ground connection driving groove 18, and ground connection linkage connecting lever 17 will not be caused to interfere, reach energy storage device when turning to During maximum energy storage position, external force is removed at this time, and mechanism can be rotated further under effect of inertia so that when energy storage device turns over maximum Energy storage position,(Or it is unfavorable use inertia, as long as can slightly turn over the maximum energy storage position of energy storage device under external force Realize that energy storage discharges), the ground connection meeting of trundle 15 contact lives to be grounded the ground start end 21 of driving groove 18, and passes through ground start end The 21 spacing arc 19 of ground connection drives ground connection linkage connecting lever 17 to rotate, so that it is defeated to on-load switch to drive ground connection output toggle arm 16 to rotate Go out to be grounded moment of torsion.
When ground connection transmission device carries out ground connection operation, isolation transmission device is in isolation.
Energy storage device in the utility model uses compression spring energy storage device, including energy storage compression spring using compression spring energy storage device 22, the both ends of energy storage compression spring 22 are equipped with pressure spring head 23, and pressure spring head 23 is rotatably connected to isolation trundle 6 respectively and ground connection passes On dynamic pin 15, telescopic rod 25 is equipped between pressure spring head 23, telescopic rod 25 can be shunk with energy storage compression spring 22 by compression.
As shown in figure 9, the operating mechanism of the utility model further includes isolation transmission device and is grounded the interlocking of transmission device Device, the interlock include interlocking hanging plate 26, and interlocking hanging plate 26 is hung on the outer of the second mechanism plate 2 by two kidney slots 27 On surface, the outer surface of the second mechanism plate 2 is equipped with banking pin 28 matched with kidney slot 27, the both ends difference of interlocking hanging plate 26 Isolation transmission shaft 4 is hung on by notched interlocking hole 29 and is grounded on the input terminal of transmission shaft 13, isolates 4 He of transmission shaft The input terminal of ground connection transmission shaft 13 is respectively equipped with the notch 30 to match with the notch in interlocking hole 29;Interlocking hanging plate 26 is passed with isolating Moving axis 5 and be grounded transmission shaft 13 interlock mode be:When isolating transmission device and ground connection transmission device is in isolation, Isolate transmission shaft 4 and be grounded the equal notch towards interlocking hole 29 of notch 30 of transmission shaft 13, interlocking hanging plate 26, which is in, at this time loosens State, can move up and down in the range of the restriction of kidney slot 27, when isolation transmission device turns to "on" position or ground connection When transmission device turns to ground state, the arc surface for changing the input terminal of the rotation axis of the device of state jacks up corresponding interlocking The notch in hole 29 so that the notch 30 of the rotation axis of that device of unaltered state is bonded with the notch in corresponding interlocking hole 29 It is limited, so as to fulfill the operation that only when two devices are all in isolation, could be grounded or closed a floodgate.
Be equipped with the first interlock between operating room 300 and cable vault 400, the first interlock and operating mechanism 600 and Cabinet door 41 interlocks, and prevents from closing a floodgate under "on" position downward swing door or door opening state;First interlock includes forbidding door opening state to grasp Make the device that the device of earthing switch and ungrounded Status Disable open the door.
Forbidding the realization that door opening state operational grounding switchs is:First mechanism plate 1 be equipped with can move so as to exposing or The interlock plate 51 of ground connection input shaft is covered, interlock plate 51, which is equipped with, to be joined with the device for forbidding door opening state operational grounding to switch Dynamic locking plate 52, when cabinet door 41 is opened, interlock plate 51 is in the state for covering ground connection transmission shaft 13, prevents ground connection from operating, When cabinet door 41 is closed, the device of door opening state operational grounding switch is promoted to drive interlock plate 51 to be moved to place by locking plate 52 In the state for exposing ground connection transmission shaft 13, it is allowed to ground connection operation.
Specifically, as illustrated by figs. 12-13, the device that door opening state operational grounding switchs is forbidden to include being rotatably mounted Lever plate 53 on mechanism plate 1, one end and the interlock plate 51 of lever plate 53 coordinate, and the other end coordinates with connecting rod 54, under connecting rod 54 End connects a locking plate 56 by connecting plate 55, and locking plate 56 is L-shaped, its shorter one end is rotatably connected on connecting plate 55, partition plate 57 be that a piece of cloth puts the plate on 41 doorframe of door of switch cabinet, and partition plate 57 is stretched equipped with the longer one end that can accommodate locking plate 56 The jack 58 entered, when cabinet door 41 is opened, locking plate 56 hangs rotation naturally, its longer one end is stretched into jack 58, locking plate 56 Catch 59 is equipped with above jack 58, when locking plate 56 is stretched into jack 58, which is located at the top of jack 58, with partition plate 57 Interference engagement, equivalent to locking plate 56 is blocked by partition plate 57, and due to being blocked by partition plate 57, locking plate 56 is moved without the c directions in normal direction figure It is dynamic, thus connecting plate 55 and connecting rod 54 are locked, it is impossible to the b directions movement into figure, lever plate 53 and the one of the cooperation of connecting rod 54 End cannot move down, thus the other end of lever plate 53 just props up locking plate 52, be moved so as to limit a direction of the interlock plate 51 into figure Dynamic, interlock plate 51 blocks earthing switch input shaft 4 at this time, does not allow ground connection to operate;I directions represent the direction closed the door in Fig. 1, such as Shown in Figure 14-15, when cabinet door 41 is shut, the door side of the inner side of cabinet door 41 inwardly promotes, and promotes the longer one end of locking plate 56 from inserting Left in hole 58, locking plate 56 is progressively disengaged outside partition plate 57, is no longer interfered with partition plate 57 and is blocked by partition plate 57, at this time lever plate 53 In unrestricted state, that is to say, that one end of lever plate 53 is not propping up locking plate 52, and interlock plate 51 just can be by a directions Movement is grounded transmission shaft 13 so as to expose, it is allowed to which ground connection operation, as shown in figs. 16-17, is grounded transmission shaft 13 to expose at this time State.
But after enabling, operational grounding input shaft is not just allowed again to change the ground state of breaker, this work( Can be forbidding ungrounded state downward swing door, the device to be opened the door by ungrounded Status Disable is realized.
Operation for forbidding ungrounded state downward swing door, its realization are:Ground connection transmission shaft 13 is equipped with can be with ground connection The rotation of input shaft and change the linkage mechanism of position, the linkage mechanism be grounded transmission shaft 13 turn to ground state when, lead to Cross the device that ungrounded Status Disable opens the door and pin cabinet door 41, when ground connection transmission shaft 13 turns to ungrounded state, by non- The device that ground state is forbidden opening the door unclamps cabinet door 41, it is allowed to opens the door.
Specifically, as shown in figs. 18-21, the device that ungrounded Status Disable opens the door includes being installed on ground connection transmission shaft 13 On and can be with the cam sleeve 60 and the division indicator board that is installed in rotation on mechanism plate 1 that ground connection transmission shaft 13 rotates 61, one end of division indicator board 61 is in semi-circular shape, this part of semi-circular shape is set in the periphery of cam sleeve 60, its middle part is logical Shaft 62 is crossed on mechanism plate 1, when cam sleeve 60 is rotated with d directions of the ground connection transmission shaft 13 into figure, since its is convex The gabarit of wheel, can drive this section of the semi-circular shape of division indicator board 61 62 to rotate around the shaft, then the other end of division indicator board 61 Also can move, the other end of division indicator board 61 is rotatably coupled connecting rod 54 and links with connecting rod 54, division indicator board 61 can be with the linkage of connecting rod 54:Connecting rod 54 is equipped with kidney slot 63, and one end that division indicator board 61 links therewith is equipped with pin Nail 64, pin 64 can be slided in the kidney slot 63, thus drive connecting rod 54 to follow the rotation of division indicator board 61 and into figure E directions movement(In the device for forbidding door opening state operational grounding to switch, lever plate 53 and the cooperation of connecting rod 54 can also pass through The cooperation of pin and kidney slot is realized), the other end of connecting rod 54 is rotatably coupled connecting plate 55, when ground connection transmission shaft 13 rotates During to ungrounded state, c direction of the connecting plate 55 into figure is driven to be moved in the lockhole 65 for extending into cabinet door 41 by connecting rod 54, Cabinet door 41 is pinned, the lower end that connecting plate 55 can be accommodated by being equipped with a through hole all the time on partition plate 57 passes through, and the lower end of connecting plate 55 is worn After crossing partition plate 57 and stretching into the lockhole 65 of cabinet door 41, cabinet door 41 and partition plate 57 and lower cabinet cabinet are locked together, at this time no matter Interlock plate 3 is in the position for hiding or exposing ground connection input shaft, can not all carry out opening door operation, only when 13 turns of transmission shaft of ground connection When moving ground state, cam sleeve 60 can just drive division indicator board 61 to turn to the position for being raised to connecting plate 55 and leaving lockhole 65 Put, unclamp the locking of Xiamen.

Claims (10)

1. a kind of switchgear, it is characterized in that, including cabinet, is disposed with switch gear room, operating room and cable vault in cabinet, wherein, open Close room and operating room is located above cable vault, switch indoor location three-phase load switch, operate the behaviour of indoor location on-load switch Make mechanism, operating mechanism connects the main shaft of three-phase load switch by driving part, and switch gear room lower part is connected by branch bus group To cable vault, the bottom plate of switch gear room is equipped with explosion-proof valve, and earthing bar is disposed with cable vault, and the front of cable vault sets cabinet door, The front of operating room sets operation panel, and operation panel is equipped with earthing switch division instruction and disconnecting switch division indicates.
2. a kind of switchgear according to claim 1, it is characterized in that, operation panel is equipped with pressure gauge and powered display Device, the surface of cabinet door are equipped with form and nameplate, door edge are equipped with above cabinet door.
3. a kind of switchgear according to claim 1, it is characterized in that, switchgear can include multiple cabinets, multiple cabinets Operating room and switch gear room be total to case.
4. a kind of switchgear according to claim 1, it is characterized in that, which further includes control room, control room arrangement On the top of cabinet.
5. a kind of switchgear according to claim 1, it is characterized in that, operating mechanism is defeated including isolation transmission device, isolation Go out device, ground connection transmission device, ground connection output device, energy storage device and Vidacare corp, isolation transmission device include every From transmission shaft, the both ends for isolating transmission shaft are installed in rotation in rack, and the output terminal connection isolation for isolating transmission device is defeated Go out device, isolation transmission shaft is equipped with the isolation transmission crank arm that can be rotated therewith, and isolation transmission crank arm links with energy storage device And when isolating transmission shaft and rotating energy storage device can be driven to carry out energy storage, isolation output is driven when energy storage device discharges energy storage Device rotates, and the free end for isolating transmission crank arm is equipped with isolation trundle;Isolating output device includes being installed on isolation transmission shaft Output terminal simultaneously can around isolation transmission shaft rotate isolation output toggle arm and with isolate output toggle arm link isolation linkage Connecting lever, the outside of isolation linkage connecting lever, which is equipped with, can accommodate the isolation driving groove that isolation trundle slides wherein, isolation transmission The both ends of groove have with isolating the matched spacing arc of isolation of trundle;Being grounded transmission device includes ground connection transmission shaft, ground connection transmission The both ends of axis are installed in rotation in rack, are grounded the output terminal connection ground connection output device of transmission device, are grounded transmission shaft The ground connection transmission crank arm that can be rotated therewith is equipped with, ground connection transmission crank arm links with energy storage device and can turn in ground connection transmission shaft Drive energy storage device to carry out energy storage when dynamic, be to drive ground connection output device to rotate in energy storage device release energy storage, ground connection transmission is turned The free end of arm is equipped with ground connection trundle;
It is grounded output device and can be simultaneously exported including being installed on the output terminal of ground connection transmission shaft around the ground connection that ground connection transmission shaft rotates Connecting lever and the ground connection linkage connecting lever with ground connection output toggle arm linkage, the turning end of ground connection linkage connecting lever, which is equipped with, can accommodate ground connection The ground connection driving groove that trundle slides wherein, the both ends for being grounded driving groove are spacing with the ground connection coordinated with ground connection trundle Arc.
6. a kind of switchgear according to claim 5, it is characterized in that, Vidacare corp includes rack-mounted drive Dynamic motor, electronic output toggle arm are installed in rotation on by unilateral bearing on the output shaft of driving motor, electronic output toggle arm Free end be rotatably coupled electronic connecting rod, Vidacare corp further includes electric transmission connecting lever, is set on electric transmission connecting lever There is rotational pin, electronic connecting rod is rotatably connected with the rotational pin, so as to drive electric transmission connecting lever to rotate, electric transmission connecting lever can It is rotatably mounted on isolation transmission shaft, the outer rim of electric transmission connecting lever is equipped with isolating the matched border groove of trundle.
7. a kind of switchgear according to claim 5, it is characterized in that, energy storage device includes energy storage compression spring, energy storage compression spring Both ends are equipped with pressure spring head, and pressure spring head is rotatably connected on isolation transmission device and ground connection transmission device respectively, pressure spring head it Between be equipped with telescopic rod, telescopic rod can be shunk with compression spring by compression.
8. a kind of switchgear according to claim 5, it is characterized in that, operating mechanism further includes isolation transmission device and ground connection The mutual interlocking gear of transmission device, the mutual interlocking gear include interlocking hanging plate, and interlocking hanging plate is hung in rack by kidney slot, interlocked The both ends of hanging plate are hung on the isolation transmission shaft and ground connection transmission dress of isolation transmission device by notched interlocking hole respectively The input terminal of the input terminal for the ground connection transmission shaft put, isolation transmission shaft and ground connection transmission shaft is respectively equipped with the notch phase with interlocking hole Matched notch;Interlock hanging plate is with isolating transmission shaft and being grounded the interlocked relationship of transmission shaft:When isolation transmission device and ground connection When transmission device is in isolation, isolation transmission shaft and the equal notch towards interlocking hole of notch for being grounded transmission shaft, at this time Interlocking hanging plate, which is in, loosens state, when one of them of isolation transmission device and ground connection transmission device turn to combined floodgate or ground connection position When putting, the arc surface of its input terminal jacks up the notch in corresponding interlocking hole so that the notch of another device and corresponding interlocking The notch fitting in hole is limited, so as to fulfill that only when two devices are all in isolation, could be closed a floodgate or be grounded Operation.
9. a kind of switchgear according to claim 5, it is characterized in that, the first interlocking is equipped between operating room and cable vault and is filled Put, the first interlock is interlocked with operating mechanism and cabinet door, prevents from closing a floodgate under "on" position downward swing door or door opening state;First Locking device includes the device that the device for forbidding door opening state operational grounding to switch and ungrounded Status Disable open the door, and forbids opening the door The device of state operational grounding switch includes being installed in rotation on lever plate on the mechanism plate of operating mechanism, one end of lever plate with Interlock plate coordinates, and the other end coordinates with connecting rod, and the lower end of connecting rod connects a locking plate, when Xiamen is opened, locking plate quilt by connecting plate Partition plate blocks, and one end that lever plate coordinates with connecting rod cannot move down, thus the other end of lever plate props up locking plate, limitation interlock plate to Expose the direction movement of ground connection input shaft, so as to forbid ground connection to operate;When Xiamen is shut, promote locking plate to leave and interfere with partition plate Position, at this time lever plate be in unrestricted state, interlock plate can expose ground connection input shaft by mobile, it is allowed to ground connection behaviour Make;Locking plate is L-shaped, and its one end is rotatably connected on connecting plate, and partition plate is stretched into equipped with the other end that can accommodate locking plate Jack, when Xiamen is opened, locking plate rotates naturally, its other end is stretched into jack, and locking plate is equipped with catch above jack, works as lock When piece is stretched into jack, which is located above jack, and partition plate interference engagement, so that by forbidding door opening state operational grounding The movement of the device limitation interlock plate of switch, when Xiamen is closed, the bottom of the door side contact L-shaped locking plate of Xiamen so that L-shaped is locked Piece turns to catch and departs from interference with partition plate, and the restriction state of lever plate is released from, and can carry out ground connection operation at this time.
10. a kind of switchgear according to claim 9, it is characterized in that, the device that ungrounded Status Disable opens the door includes peace Cam sleeve and the division indicator board that is installed in rotation on mechanism plate on ground connection input shaft, the one of division indicator board End cap is located at the periphery of cam sleeve and can link with the rotation of cam sleeve, and the other end of division indicator board is rotatably coupled company Bar, the other end connection connecting plate of connecting rod, when ground connection input shaft turns to ungrounded state, drives connecting plate to be displaced downwardly to by connecting rod It extend into the lockhole of Xiamen, Xiamen is pinned, no matter interlock plate is in the position for hiding or exposing ground connection input shaft at this time, all Opening door operation can not be carried out, one end of division indicator board is in semi-circular shape, and the middle part of semi-circular shape is installed on mechanism by shaft On plate, the other end of division indicator board is in slab and connection-rod linkage.
CN201721411712.8U 2017-10-29 2017-10-29 A kind of switchgear Active CN207303714U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108922816A (en) * 2018-07-10 2018-11-30 珠海南自电气系统工程有限公司 Earthed system is isolated in sextupole traction rectifier transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108922816A (en) * 2018-07-10 2018-11-30 珠海南自电气系统工程有限公司 Earthed system is isolated in sextupole traction rectifier transformer

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