CN102509661A - Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear - Google Patents
Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear Download PDFInfo
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- CN102509661A CN102509661A CN201110334773XA CN201110334773A CN102509661A CN 102509661 A CN102509661 A CN 102509661A CN 201110334773X A CN201110334773X A CN 201110334773XA CN 201110334773 A CN201110334773 A CN 201110334773A CN 102509661 A CN102509661 A CN 102509661A
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Abstract
The invention relates to an operation linkage safety interlocking linkage device of an electrical appliance with a draw-out switchgear, which comprises a manual driving device and an interlocking linkage device linked with the manual driving device. The interlocking linkage device comprises a pinch plate and a locking plate arranged in the pinch plate in sliding mode. A stirring plate is fixed at the tail end of a driving connection rod of the manual driving device, the manual driving device drives the locking plate to respectively slide to the highest position, the middle position and the lowest position in the pinch plate, and therefore a turntable A and a turntable B cannot rotate simultaneously, and further a power supply A and a power supply B cannot be connected simultaneously, namely mechanical interlocking of the power supply A and the power supply B is achieved. By means of the operation linkage safety interlocking linkage device, mechanical interlocking of a body switch and a double-bypass switch and reasonable operation of draw-out and plug-in of the body switch are achieved simply and reliably, and safety is improved to the maximum limit.
Description
Technical field
The present invention relates to a kind of draw out switchgear electrical equipment, more particularly, relate to a kind of operations linkage safety interlock linkage of draw out switchgear electrical equipment.
Background technology
In the electric power system that has two-way power supply (power supply commonly used and stand-by power supply also are a-power supply and B-source), deviation (like overvoltage, under-voltage or scarce pressure time) appears when power supply is detected, device for switching can be automatically from this road power source conversion to another road power supply.After power supply commonly used was detected recovery normally, device for switching also can automatically revert to power supply power supply commonly used.When device for switching need be checked maintenance, can by-pass switch be operated to "on" position, again change over switch is broken off, just can the body switch be extracted out or insert through spanner and handle.When the body switch is changed between a-power supply and B-source; The electrical safety interlock carries out electrical interlocks to a-power supply and B-source; Make it and to connect simultaneously, but there is malfunctioning risk in the electrical safety interlock, therefore need carry out dual interlocking it.
When the body switch was in service mode, two by-pass switches can replace body switch connection power supply, in like manner; The A bypass supply and the B bypass supply of two by-pass switches can not be connected simultaneously, and under the situation that body switch a-power supply and B-source all break off, if by-pass switch is closed privately; Will produce big electric arc; Thereby therefore the initiation security incident is necessary body switch and by-pass switch are carried out interlocking, to improve processing safety.
Summary of the invention
The technical problem that the present invention will solve is, to the above-mentioned defective of prior art, a kind of operations linkage safety mutually-locking device of draw out switchgear electrical equipment is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of operations linkage safety mutually-locking device of draw out switchgear electrical equipment, comprise manual driving device and the interlocking linkage device that links with said manual driving device;
Said interlocking linkage device comprises the A rotating disk that is fixedly arranged on said a-power supply square shaft and B-source square shaft one end respectively and B rotating disk, be fixed on buckle on the main body frame side plate inwall of said body switch place, vertical be slidingly arranged in the said buckle and with the jam plate of said manual driving device interlock and be used to limit said jam plate was free to slide and was fixed on said buckle inside bottom in said buckle catch means; Be provided with two lug bosses on said A rotating disk and the B rotating disk; And the symmetry of the lug boss on lug boss on the said A rotating disk and the B rotating disk (305); Said buckle is provided with respectively the spacing hole that cooperates with the lug boss of the lug boss of said A rotating disk and B rotating disk; The two ends of said jam plate are symmetrical set and are useful on last gear and the lower gear that stops said lug boss, are symmetrically arranged with middle gear in the middle of the side;
One side of said pair of by-pass switch is provided with and is used to make the A bypass supply to remain on the A bypass four connecting rod positioners of the state of being switched on or switched off and is used to make the B bypass supply to remain on the B bypass four connecting rod positioners of the state of being switched on or switched off; Said interlocking linkage device also comprises dials plate; Said group of plate and the interlock of said manual driving device; Be symmetrically arranged with two guide grooves on it, the circular shaft on said A bypass four connecting rod positioners and the B bypass four connecting rod positioner forks cooperates with two said guide grooves respectively;
When said manual driving device drives said jam plate and in said buckle, slides into highest order, interposition and lowest order respectively; Said A rotating disk and B rotating disk can not rotate simultaneously; Then realize that a-power supply and B-source can not connect simultaneously, promptly a-power supply and B-source is mechanical interlocked; Simultaneously, said group of plate makes said A bypass supply and B bypass supply not to connect simultaneously, and promptly A bypass supply and B bypass supply is mechanical interlocked.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, said group of plate is fan-shaped, and two said guide grooves are symmetricly set on the angular bisector both sides of said group of plate central angle; And two said guide grooves are L-shaped.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention; Wherein, said manual driving device comprises the Handleset that is slidingly arranged in said main body frame side plate front end, is hinged on the drive link between the terminal and said main body frame back side panel of said Handleset; Said jam plate and said group of plate are all fixed with said drive link, and the central angle summit of said group of plate with or the end of said drive link be hinged on the back side panel of said main body frame;
Said drive link is that the center swings up and down with the pin joint of end, drives said jam plate simultaneously and in said buckle, slides and drive said group of plate and rotate around the pin joint of end.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, said Handleset comprise be fixed on said main body frame side plate front end handle fixedly coulisse, be slidingly arranged in the fixedly handle lock device in the coulisse of said handle; The said handle fixedly two ends and the central authorities of coulisse is respectively equipped with the latch arm hole position;
Said handle lock device comprises that handle moulds shell, is fixed on the handle that said handle is moulded shell one side; Said handle has the locking bar groove of an end opening, is provided with locking bar and elastic component in the said locking bar groove, and the inwall of said elastic component one end and said locking bar groove is conflicted, the other end and said locking bar socket; Also be provided with button on the said locking bar; Press said button; Said locking bar is withdrawn in the said locking bar groove, the said button of pull-up, thus said locking bar snaps onto under the restoring force effect of said elastic component and carries out spacing to said Handleset in the corresponding said latch arm hole position.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention; Wherein, Said jam plate one side central authorities are outward extended with the U-shaped plate; Be provided with mounting hole with the corresponding position of said U-shaped plate one end on the said drive link, said drive link is connected with said jam plate with the connecting bushing of U-shaped plate through passing said mounting hole.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention; Wherein, Said handle fixedly coulisse central authorities has a slit; The two ends of said slit and central authorities are provided with said latch arm hole position, and the width of the diameter of said locking bar and latch arm hole position is all greater than the width of said slit.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention; Wherein, The last gear and the lower gear of said jam plate include the baffle plate that is set in parallel in both sides, said jam plate two ends; Said baffle plate is vertical with the upper surface of said jam plate, said in gear comprise the catch that is arranged on said jam plate middle part one side and from the outward extending little pressure head of said catch one end; Said catch is vertical with the upper surface of said jam plate.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, on the said jam plate be provided with said in the relative side of gear also be provided with big pressure head.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, said catch means comprises the latch fixed head and is located at the latch on the said latch fixed head through elastic component; Said latch fixed head and said buckle are inboard fixing, and have the latch open slot, and said latch is located in the said latch open slot through elastic component; The inwall of said elastic component one end and said latch open slot is conflicted, and the other end is fixedly connected with an end of said latch; The other end of said latch also is provided with the push rod of axis and said latch axis normal;
Said lower gear is provided with the pin hole position that cooperates with said latch, and the correspondence position with said push rod on the said buckle is provided with mounting hole, and said push rod is slided in said mounting hole by the promotion of said Switch main body.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, said spacing hole comprise horizontal segment with vertical with said horizontal segment vertical section.
The operations linkage safety mutually-locking device of the draw out switchgear electrical equipment of embodiment of the present invention; Have following beneficial effect: the present invention can realize the interlocking of mechanical body switch and two by-pass switches simple and reliablely; And the reasonable operation of the extraction of body switch and insertion; Improved fail safe to greatest extent; And handle lock device wherein and catch means can keep the body switch to extract out and insert when putting in place the disjunction of a-power supply and B-source and the state of connection, i.e. memory function (except that artificial destruction) once more from the state that puts in place automatically.When the body switch inserts once more, the disjunction of having only a-power supply and B-source and the state of connection and preceding once when the state of the disjunction of a-power supply and B-source and connection is identical when the state that puts in place is extracted out, the body switch could insert and put in place.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the assembling sketch map of the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 2 is the structural representation of body switch in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 3 is the structural representation of two by-pass switches in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 4 is the structural representation of the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 5 is the structural representation of Handleset in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 6 is the structural representation of jam plate in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 7 is another structural representation of jam plate in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 8 is the structural representation of catch means in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 9 all breaks off when A, B-source in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention, and the A bypass supply is connected, the user mode figure when the B bypass supply breaks off;
Figure 10 connects when a-power supply in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention, and B-source breaks off, and the A bypass supply is connected, the user mode figure when the B bypass supply breaks off;
Figure 11 breaks off when a-power supply in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention, and B-source breaks off, and the A bypass supply breaks off, the user mode figure when the B bypass supply breaks off;
Figure 12 connects when a-power supply in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention, and B-source breaks off, and the A bypass supply breaks off, the user mode figure when the B bypass supply breaks off;
Figure 13 breaks off when a-power supply in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention, and B-source is connected, and the A bypass supply breaks off, the user mode figure when the B bypass supply breaks off.
Embodiment
As shown in Figure 1, in a preferred embodiment of the invention, the operations linkage safety mutually-locking device 300 of this draw out switchgear electrical equipment comprises manual driving device and the interlocking linkage device that links with manual driving device.As shown in Figure 2, simultaneously referring to Fig. 4.The A rotating disk 304 that the interlocking linkage device comprises the a-power supply square shaft 101 that is fixedly arranged on body switch 100 respectively and B-source square shaft one end 102 and B rotating disk 305, be fixed on buckle 301 on the body switch 100 place main body frame side plate inwalls, vertical be slidingly arranged in the buckle 301 and with the jam plate 302 of manual drive unit interlock and be used to limit jam plate 302 was free to slide and was fixed on buckle 301 inside bottom in buckle 301 catch means 303.
As shown in Figure 2; On the body switch 100 (B main circuit switch device) A moving contact system, B moving contact system and load power source terminal are installed, and corresponding A fixed contact system---a-power supply terminal, B fixed contact system---B-source terminal and load power source terminal are arranged on the body switch 100.Drive unit on the body switch 100 can drive A square shaft or B square shaft rotating certain angle; Thereby make A moving contact system contact with A fixed contact system break off; Or B moving contact system contact with B fixed contact system break off, drive A rotating disk 304 or B rotating disk 305 rotating certain angle simultaneously.1), a-power supply connects, B-source breaks off the drive unit of body switch 100 can make the a-power supply of body switch 100 and B-source that three kinds of states are arranged:; 2), a-power supply disconnection, B-source are connected; 3), a-power supply disconnection, B-source break off.Hence one can see that, and a-power supply and B-source can not be connected simultaneously.
In addition; Be symmetrical set two lug bosses 306 in addition on A rotating disk 304 and the B rotating disk 305 respectively; And buckle 301 is provided with respectively the spacing hole 307 that cooperates with the lug boss 306 of the lug boss 306 of A rotating disk 304 and B rotating disk 305; As shown in Figure 6, the two ends of jam plate 302 be symmetrical set be useful on be symmetrically arranged with in the middle of the last gear 308 that stops lug boss 306 and lower gear 309, one sides in gear 310.
As shown in Figure 2; One side of two by-pass switches 200 is provided with and is used to make the A bypass supply to remain on the A bypass four connecting rod positioners 201 of the state of being switched on or switched off and is used to make the B bypass supply to remain on the B bypass four connecting rod positioners 203 of the state of being switched on or switched off; A bypass four connecting rod positioners 201 all belong to existing known technology with B bypass four connecting rod positioners 203, therefore no longer narrate at this.Above-mentioned interlocking linkage device also comprises dials plate 311; This group plate 311 and manual driving device interlock; Be symmetrically arranged with two guide grooves 312 on it, the circular shaft 202 on A bypass four connecting rod positioners 201 and B bypass four connecting rod positioners 203 forks cooperates with two guide grooves 312 respectively with circular shaft 204.
As shown in Figure 2, A by-pass switch contact system device, A bypass four connecting rod positioners 201, B by-pass switch contact system device, B bypass four connecting rod positioners 203, load power source arrangements of terminal are installed on two by-pass switches 200.A bypass four connecting rod positioners 201 can make the A bypass supply in the A by-pass switch contact system device remain on the state of being switched on or switched off, and B bypass four connecting rod positioners 203 can make the B bypass supply in the B by-pass switch contact system device remain on the state of being switched on or switched off.Identical with Switch main body 100; A bypass supply and B bypass supply can not be connected simultaneously; But it should be noted that A bypass supply and a-power supply can connect simultaneously, B bypass supply and B-source can be connected simultaneously; But the A bypass supply can not be connected with B-source simultaneously, and the B bypass supply can not be connected with a-power supply simultaneously.
Above-mentioned manual driving device can drive jam plate 302 and in buckle 301, slide into highest order, interposition and lowest order respectively:
When jam plate 302 is in highest order; Last gear 308 correspondingly is in highest order; One of them lug boss 306 of A rotating disk 304 is arranged in gear 310 near last gear 208 with upper/lower positions, and is positioned at buckle 301 top spacing holes 307, owing to do not go up stopping of gear 308 and middle gear 310; A-power supply square shaft 101 can rotate by clockwise direction, thereby connects a-power supply; And two lug bosses of B rotating disk 305 306 because receive lower gear 309 respectively and near the middle gear 310 of lower gear 309 stop that B-source square shaft 102 can not rotate, promptly B-source can't be connected.At this moment, dial plate 311 and make the A bypass supply be in the state that to connect, and therefore the B bypass supply four connecting rod positioners 203 of B bypass supply can not be connected with the A bypass supply owing to receive the restriction of dialling plate 311 simultaneously.
When jam plate 302 is in lowest order; Lower gear 309 correspondingly is in lowest order; One of them lug boss 306 of B rotating disk 305 is arranged in the above position near the gear 310 of lower gear 309, and is positioned at the spacing hole 307 of buckle 301 bottoms, owing to there be not stopping of lower gear 309 and middle gear 310; B-source square shaft 102 can counterclockwise rotate, thereby connects B-source; And two lug bosses of A rotating disk 304 306 because receive gear 308 respectively and near the middle gear 310 of last gear 308 stop that a-power supply square shaft 101 can not rotate, promptly a-power supply can't be connected.At this moment, dial plate 311 and make the B bypass supply be in the state that to connect, and therefore the A bypass supply four connecting rod positioners 201 of A bypass supply can not be connected with the B bypass supply owing to receive the restriction of dialling plate 311 simultaneously.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention has been realized the mechanical interlocked of a-power supply and B-source in the body switch 100; A bypass supply and B bypass supply is mechanical interlocked in two by-pass switches 200, and body switch 100 and two by-pass switches 200 is mechanical interlocked.
As shown in Figure 4, preferably, above-mentioned group of plate 311 is fan-shaped, and two guide grooves 312 are symmetricly set on the angular bisector both sides of dialling plate 311 central angles; And two guide grooves 312 are L-shaped.In a preferred embodiment of the invention, interval scale is in on-state in the circular shaft of bypass supply four connecting rod positioners is in the minor face end of L shaped guide groove 312, and from the flex point on minor face and long limit until in the long edge tail interval scale be in off-state.
Manual driving device comprises the Handleset that is slidingly arranged in main body frame side plate front end, be hinged on Handleset terminal with the main body frame back side panel between drive link 315, wherein, jam plate 302 and group plate 311 all with drive link 315 be connected.Drive link 315 is that the center swings up and down with the pin joint of end, drives jam plate 302 simultaneously and in buckle 301, slides up and down and drive the pin joint rotation of group plate 311 around end.In addition; Manual driving device can also drive separately dials plate 311 connection A bypass supply or B bypass supplies; Certainly has only Handleset under (being that a-power supply is connected or B-source is connected) situation topmost or bottom; Manual driving device could drive separately dials plate 311 connection A bypass supply or B bypass supplies, promptly manually connects bypass supply.
Further; The handle that Handleset comprises the main body frame side plate front end that is fixed on fixedly coulisse 314, be slidingly arranged in the fixedly handle lock device 313 in the coulisse 314 of handle, and fixedly the two ends and the central authorities of coulisse 315 are respectively equipped with latch arm hole position 316 at handle.When handle lock device 313 slided into the latch arm hole position 316 of two ends and central authorities respectively, jam plate 302 received its drive to be in highest order, lowest order and interposition respectively.
As shown in Figure 5; Preferably; Handle lock device 313 comprises that handle moulds shell, is fixed on the handle 317 that handle is moulded shell one side, and this handle 317 has the locking bar groove of an end opening, is provided with locking bar 318 and elastic component 319 in the locking bar groove; The inwall of elastic component 319 1 ends and locking bar groove is conflicted, the other end and locking bar 318 sockets.In addition, also be provided with button 320 on the locking bar 318, press the button 320, locking bar 318 is withdrawn in the locking bar groove, pull-up button 320, thus locking bar 305 snaps onto under the restoring force effect of elastic component 319 and carries out spacing to Handleset in the corresponding latch arm hole position 316.
Preferably; Handle fixedly coulisse 314 central authorities has a slit; The two ends of this slit are provided with above-mentioned latch arm hole position 316 with central authorities; And the width of the diameter of locking bar 318 and latch arm hole position 316 is all greater than the width of slit, and when therefore having only locking bar 318 to slide into the position at 316 places, latch arm hole position, locking bar 318 could snap onto in the latch arm hole position 316 under the restoring force effect of elastic component 319.
It should be noted that; The version of handle lock device 313 and fixed form can have multiple; In a preferred embodiment of the invention, what handle lock device 313 adopted is the structure of chute band roller and locking bar, also can adopt draw-in groove slide block structure, door lock type or latch eye-splice type with lock etc.; Its fixing position also is not limited to handle fixedly on the coulisse 301, can also directly be fixed on the side plate of main body frame; Equally, installation direction can be vertical, horizontal, vertical etc., as long as can realize lock-bit.
As shown in Figure 4; Drive link 315 can adopt following structure to be connected with jam plate 302: side central authorities of jam plate 302 are outward extended with the U-shaped plate; Be provided with mounting hole with this corresponding position of U-shaped plate one end on the drive link 315, drive link 315 is hinged through the connecting axle and the jam plate 302 that pass mounting hole and U-shaped plate.But there is multiple variation in the structure of U-shaped plate, is not limited to the structure that present embodiment adopts.
As shown in Figure 6; Preferably; The last gear 308 and the lower gear 309 of above-mentioned jam plate 302 include the baffle plate 321 that is set in parallel in both sides, jam plate 302 two ends; Baffle plate 321 is vertical with the upper surface of jam plate 302, and two middle gears 310 include the catch 322 that is arranged on jam plate 302 middle parts one side and from the outward extending little pressure head 323 of catch 322 1 ends, and this catch 322 is vertical with the upper surface of jam plate 302.Baffle plate 321 and catch 322 can stop the rotation of A rotating disk 304 or B rotating disk 305; And little pressure head 323 can prevent that jam plate 302 from sliding downwards to drive and dials plate 311 and connect the B bypass supplies when highest order, can prevent also that jam plate 302 from upwards sliding to connect to drive to dial plate 311 and connect the A bypass supplies when lowest order.A-power supply and B-source can not be connected simultaneously, and same, under the situation that a-power supply does not break off, the B bypass supply can not be connected, and under the situation that B-source does not break off, the A bypass supply can not be connected.As shown in Figure 7; Also can on jam plate 302, big pressure head 324 be set with middle gear 310 relative sides; Big pressure head 324 not only possesses and little pressure head 323 identical functions; And because this big pressure head 324 makes between body switch 100 and pair by-pass switch 200 power supply terminals bigger electric clearance is arranged, so performance is more excellent, fail safe is stronger.As shown in Figure 8, preferably, above-mentioned catch means 303 comprises latch fixed head 325 and is located at the latch 326 on the latch fixed head 325 through elastic component 327; Latch fixed head 325 is inboard fixing with buckle 301, and has the latch open slot, and latch 326 is located in this latch open slot through elastic component 327; The inwall of elastic component 327 1 ends and latch open slot is conflicted, and the other end is fixedly connected with an end of latch 326, and the other end of latch 326 also is provided with the push rod 328 of axis and latch 326 axis normal.Correspondingly, lower gear 309 is provided with the pin hole position 329 (as shown in Figure 6) that cooperates with latch 326, and is provided with mounting hole with the correspondence position of push rod 328 on the buckle 301; When body switch 100 inserts main body frame; When push rod 328 receives the promotion of said Switch main body 100, can in mounting hole, slide elastic component 327 compressed energy-storages; Thereby remove restriction to jam plate 302; When body switch 100 was extracted main body frame out, latch 326 stretched out the latch open slot under the restoring force effect of elastic component 327, recover the restriction to jam plate 302.Version and fixed form that it should be noted that catch means 313 can have multiple, the plug-in card-bolt device of the claw that if can swing; The position of pin hole is not limited on the jam plate 302, and as also being arranged on the drive link 315, the installation site of catch means 313 is not limited on the buckle 301, as also being installed on the side plate of main body frame; Installation direction can level or is vertically reached other angle, as long as can realize the lock-bit function.
For lug boss 306 can slide in spacing hole 307 smoothly, above-mentioned spacing hole 307 comprise horizontal segment and from the horizontal segment end to vertical section that extends below, thereby make spacing hole 307 be the L type, can certainly adopt circular arc, be not limited thereto.And the above-mentioned elastic component of mentioning all adopts spring.
Combine the concrete structure of the operations linkage safety mutually-locking device of this draw out switchgear electrical equipment that operating principle of the present invention is done further explaination below again:
Insert the state that puts in place at body switch 100, when promptly body switch 100 contacted with two by-pass switches 200, body switch 100 was in closure state.
1, shown in figure 10; Lift to fixedly position, coulisse 314 the top of handle on the handle lock device 313, and handle lock device 313 is in the lock state, this state; Dialling plate 311 connects the A bypass supply through L type guide groove 312; And the B bypass supply is broken off, and A bypass four connecting rod positioners 201 make the A bypass supply keep on-state, and B bypass four connecting rod positioners make the B bypass supply keep off-state.
Body switch 100 A power supply when being off-state, body switch 100 can be extracted out or insert and put in place; Body switch 100 is in extraction; Latch 326 stretches out the latch open slot under the restoring force effect of elastic component 327; Thereby make the latch 326 of catch means 303 insert pin hole position 329; Jam plate 302 is fixed on topmost (promptly can prevent the disconnection privately of A bypass supply) in buckle 301, even push the button 320 on the handle, jam plate 302 can not slide into the centre position down.During insertion, body switch 100 promotes push rod 328 makes latch 326 withdraw from pin hole 329, unlocks.And when B power supply when wherein having to be in on-state; Because one of them lug boss 306 of A rotating disk 304 or B rotating disk 305 is in vertical section of spacing hole 307, the body switch 100 that stops that receives buckle 301 can not be extracted out or puts in place to insertion from the extraction state from the insertion state that puts in place.Lift to the fixedly position, the top of coulisse 314 of handle on the handle lock device 313; And handle lock device 313 is in the lock state; The bypass a-power supply is connected, the bypass B-source breaks off, and body switch 100 inserts when putting in place, and the a-power supply of body switch 100 can be from off-state to connection or from connecting shape to disconnection; And another lug boss 306 of B rotating disk 305 is stopped by the lower gear 309 of jam plate 302, so B-source can not be connected.The a-power supply of body switch 100 from off-state to connect or from on-state to the disconnection process, have only A bypass four connecting rod positioners 201 to make the A bypass supply be in on-state, the a-power supply of body switch 100 just can be switched on or switched off; When the a-power supply of body switch 100 is off-state; Even push the button 320 on the handle lock device 313; Because the little pressure head 323 on the jam plate 302 is stopped by two lug bosses 306 of A rotating disk 304 with big pressure head 324 (as shown in Figure 9), therefore can not slide into the centre position down.When the a-power supply of body switch 100 is on-state, push the button 320 on the handle lock device 313, following handle can make jam plate slide into the centre position 302 times.
2, the handle lock device 313 fixedly centre position of coulisse 314 of handle that glides; And handle lock device 313 is in the lock state; And body switch 100 inserts when putting in place; This interlock breaks off A bypass supply and B bypass supply through the L type guide groove 312 of dialling plate 311, A bypass four connecting rod positioners 201 and B bypass four connecting rod positioners 203 with B the off-state maintenance of bypass supply.Under this state, and though body switch 100 B power supply be in and break off or on-state, body switch 100 all can not be extracted out.
At this moment, body switch 100 B power supply can be switched on or switched off, 1), a-power supply connects, B-source breaks off have following three kinds of states:; 2), a-power supply disconnection, B-source are connected; 3), a-power supply disconnection, B-source break off.
Shown in figure 12; Under the 1st kind of state; Stopped by two lug bosses 306 of B rotating disk 305 near little pressure head of lower gear 309 323 and big pressure head 324, can not in buckle 301, slide into lowest positions (B is that bypass supply can not be connected) down, but can more than lift to position, the top; Be that the A bypass supply is connected, and the a-power supply of A bypass supply elder generation connection back body switch 100 just can be from being switched to off-state at this moment;
Shown in figure 13; Under the 2nd kind of state; Stopped by two lug bosses 306 of A rotating disk 304 near little pressure head of last gear 308 323 and big pressure head 324, lift to position (being that the bypass a-power supply can not be connected) topmost on can not be in buckle 301, but can slide into lowest positions down; Be that the B bypass supply is connected, and the B-source of B bypass supply elder generation connection back body switch 100 could be from being switched to off-state at this moment;
Shown in figure 11; Under three state, two little pressure heads 322 of middle gear 310 stop by two lug bosses 306 of A rotating disk 304 and B rotating disk 305 respectively, make locking bar 318 withdraw from latch arm hole position 316 to remove spacing even push button 320 on the handle; Jam plate 302 slides into lowest positions under can not be in buckle 301; Can not on lift to position topmost, only return under the 1st kind of state or the 2nd kind of state under, jam plate 302 could slide.
Therefore; This interlock can realize the body switch B power supply and bypass B the sequencing interlocking of power connection or disconnection; Promptly have only when the a-power supply of body switch or B-source are connected, A bypass supply or B bypass supply just can be connected, when breaking off; Have only when A bypass supply or the disconnection of B bypass supply, a-power supply or B-source can break off.
Equally, a-power supply and B-source, A bypass supply and B bypass supply structure in this interlock is symmetrical distribution up and down, has similar interlock function equally, is described below.
3, handle lock device 313 fixedly coulisse 314 lowest positions of handle that glide; And handle lock device 313 is in the lock state; Under this state; Interlock connects the B bypass supply through the L type guide groove 312 of dialling plate 311, and the A bypass supply is broken off, A bypass four connecting rod positioners 201 and B bypass four connecting rod positioners 203 make B the state that is switched on or switched off of bypass supply keep.Have only body switch 100 A power supply when being off-state, body switch 100 just can be extracted out or insert and put in place; And when A power supply when an on-state is wherein arranged, body switch 100 stopped by interlock, can not extract out or puts in place to insertion from the extraction state from the insertion state that puts in place.
The handle lock device 313 fixedly lowest positions of coulisse 314 of handle that glides; And handle lock device 313 is in the lock state; The B bypass supply is connected, the A bypass supply breaks off; Body switch 100 inserts when putting in place, and the B-source of body switch 100 can be from off-state to connecting or from connecting shape to disconnection, and a-power supply is stopped and can not connect by gear on the interlock 308.The B-source of body switch 100 from off-state to connect or from on-state to the disconnection process; Interlock makes the B bypass supply be in (handle lock device 313 is locked in on-position with the B bypass supply) under the on-state, and the B-source of body switch 100 just can be switched on or switched off; When the B-source of body switch 100 is off-state, even push the button 320 on the handle lock device because jam plate 302 stopped by two lug bosses 306 of B rotating disk 305, therefore can not on lift to the centre position.When the B-source of body switch 100 is on-state, promptly push the button 320 on the handle lock device, last handle also can make on the jam plate 302 and lift to the centre position.
4, handle lock device 313 is at handle fixedly during the lower position of coulisse 314; Body switch 100 inserts the (closure state that puts in place; Body switch 100 promotes push rods 328 makes latch 326 withdraw from pin hole 329), break off at B-source, under the a-power supply off-state, stopped by two lug bosses 306 of B rotating disk 305 near the little pressure head 323 of lower gear 309; Even push the button 320 on the handle, jam plate 302 in buckle 301 can not on lift to the centre position.
Handle lock device 313 and catch means 303 can keep body switch 100 to extract out and insert when putting in place the disjunction of a-power supply and B-source and the state of connection, i.e. memory function (except that artificial destruction) once more from the state that puts in place automatically.When body switch 100 inserts once more, the disjunction of having only a-power supply and B-source and the state of connection and preceding once when the state of the disjunction of a-power supply and B-source and connection is identical when the state that puts in place is extracted out, body switch 100 could insert and put in place.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment can be realized the interlocking of mechanical body switch 100 and two by-pass switches 200 simple and reliablely, and the reasonable operation of the extraction of body switch 100 and insertion, has improved fail safe to greatest extent.
Above embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement in view of the above, can not limit protection scope of the present invention.All equalizations of being done with claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (10)
1. the operations linkage safety mutually-locking device of a draw out switchgear electrical equipment is used to realize the mechanical interlocked of body switch (100) and two by-pass switches (200), it is characterized in that, comprises manual driving device and the interlocking linkage device that links with said manual driving device;
Said interlocking linkage device comprises A rotating disk (304) and the B rotating disk (305) that is fixedly arranged on said a-power supply square shaft (101) and B-source square shaft (102) one ends respectively; Be fixed on the buckle (301) on the main body frame side plate inwall of said body switch (100) place; Vertically be slidingly arranged in the said buckle (301) and with the jam plate (302) of said manual driving device interlock; And be used to limit said jam plate (302) was free to slide and was fixed on said buckle (301) inside bottom in said buckle (301) catch means (303); Be provided with two lug bosses (306) on said A rotating disk (304) and the B rotating disk (305); And lug boss (306) symmetry on lug boss (306) on the said A rotating disk (304) and the B rotating disk (305); Said buckle (301) is provided with respectively the spacing hole (307) that cooperates with the lug boss (306) of the lug boss (306) of said A rotating disk (304) and B rotating disk (305); The two ends of said jam plate (302) are symmetrical set and are useful on last gear (308) and the lower gear (309) that stops said lug boss (306), are symmetrically arranged with middle gear (310) in the middle of the side;
One side of said pair of by-pass switch (200) is provided with and is used to make the A bypass supply to remain on the A bypass four connecting rod positioners (201) of the state of being switched on or switched off and is used to make the B bypass supply to remain on the B bypass four connecting rod positioners (203) of the state of being switched on or switched off; Said interlocking linkage device also comprises dials plate (311); Said group of plate (311) and said manual driving device interlock; Be symmetrically arranged with two guide grooves (312) on it; Circular shaft (202,204) on said A bypass four connecting rod positioners (201) and B bypass four connecting rod positioner (203) forks cooperates with two said guide grooves (312) respectively;
When said manual driving device drives said jam plate (302) and in said buckle (301), slides into highest order, interposition and lowest order respectively; Said A rotating disk (304) can not rotate with B rotating disk (305) simultaneously; Then realize that a-power supply and B-source can not connect simultaneously, promptly a-power supply and B-source is mechanical interlocked; Simultaneously, said group of plate (311) makes said A bypass supply and B bypass supply not to connect simultaneously, and promptly A bypass supply and B bypass supply is mechanical interlocked.
2. the operations linkage safety mutually-locking device of draw out switchgear electrical equipment according to claim 1 is characterized in that, said group of plate (311) is fan-shaped, and two said guide grooves (312) are symmetricly set on the angular bisector both sides of said group of plate (311) central angle; And two said guide grooves (312) are L-shaped.
3. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 2; It is characterized in that said manual driving device comprises the Handleset that is slidingly arranged in said main body frame side plate front end, be hinged on the drive link (315) between the terminal and said main body frame back side panel of said Handleset; Said jam plate (302) and said group of plate (311) are all fixed with said drive link (315), and the central angle summit of said group of plate (311) and or the end of said drive link (315) be hinged on the back side panel of said main body frame;
Said drive link (315) is that the center swings up and down with the pin joint of end, drives said jam plate (302) simultaneously and in said buckle (301), slides and drive said group of plate (311) and rotate around the pin joint of end.
4. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 3; It is characterized in that, said Handleset comprise be fixed on said main body frame side plate front end handle fixedly coulisse (314), be slidingly arranged in the fixedly handle lock device (313) in the coulisse (314) of said handle; The said handle fixedly two ends and the central authorities of coulisse (314) is respectively equipped with latch arm hole position (316);
Said handle lock device (313) comprises that handle moulds shell, is fixed on said handle and moulds the handle of shell one side (317); Said handle (317) has the locking bar groove of an end opening, is provided with locking bar (318) and elastic component (319) in the said locking bar groove, and the inwall of said elastic component (319) one ends and said locking bar groove is conflicted, the other end and said locking bar (318) socket; Also be provided with button (320) on the said locking bar (318); Press said button (320); Said locking bar (318) is withdrawn in the said locking bar groove; The said button of pull-up (320), said locking bar (318) under the restoring force effect of said elastic component (319), snap onto corresponding said latch arm hole position (316) thus in carry out spacing to said Handleset.
5. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 4; It is characterized in that; Said jam plate (302) one side central authorities are outward extended with the U-shaped plate; Said drive link (315) goes up with the corresponding position of said U-shaped plate one end and is provided with mounting hole, and said drive link (315) is connected with said jam plate (302) with the connecting bushing of U-shaped plate through passing said mounting hole.
6. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 4; It is characterized in that; Said handle fixedly coulisse (314) central authorities has a slit; The two ends of said slit and central authorities are provided with said latch arm hole position (316), and the width of the diameter of said locking bar (318) and latch arm hole position (316) is all greater than the width of said slit.
7. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 1; It is characterized in that; The last gear (308) of said jam plate (302) and lower gear (309) include the baffle plate (321) that is set in parallel in said jam plate (302) both sides, two ends; Said baffle plate (321) is vertical with the upper surface of said jam plate (302), said in gear (310) comprise the catch (322) that is arranged on said jam plate (302) middle part one side and from the said catch outward extending little pressure heads of (322) one ends (323); Said catch (322) is vertical with the upper surface of said jam plate (302).
8. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 7 is characterized in that, said jam plate (302) is gone up and is provided with the said middle relative side of gear (310) and also is provided with big pressure head (324).
9. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 7; It is characterized in that said catch means (303) comprises latch fixed head (325) and is located at the latch (326) on the said latch fixed head (325) through elastic component (327); Said latch fixed head (325) is inboard fixing with said buckle (301), and has the latch open slot, and said latch (326) is located in the said latch open slot through elastic component (327); The inwall of said elastic component (327) one ends and said latch open slot is conflicted, and the other end is fixedly connected with an end of said latch (326); The other end of said latch (326) also is provided with the push rod (328) of axis and said latch (326) axis normal;
Said lower gear (309) is provided with the pin hole position (329) that cooperates with said latch (326); Said buckle (301) is gone up and the correspondence position of said push rod (328) is provided with mounting hole, and said push rod (328) is slided in said mounting hole by the promotion of said Switch main body (100).
10. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 1 is characterized in that, said spacing hole (307) comprises horizontal segment and perpendicular to vertical section of said horizontal segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110334773.XA CN102509661B (en) | 2011-10-28 | 2011-10-28 | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334773.XA CN102509661B (en) | 2011-10-28 | 2011-10-28 | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear |
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| CN102509661A true CN102509661A (en) | 2012-06-20 |
| CN102509661B CN102509661B (en) | 2014-04-16 |
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| CN201110334773.XA Active CN102509661B (en) | 2011-10-28 | 2011-10-28 | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear |
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| CN107301928A (en) * | 2016-04-15 | 2017-10-27 | 施耐德电器工业公司 | A kind of mechanical interlocking for bypass type dual-power transfer switch |
| CN109100971A (en) * | 2018-08-20 | 2018-12-28 | 合肥华耀电子工业有限公司 | A kind of switching on and shutting down sequential control circuit with interlock function |
| CN109119264A (en) * | 2018-09-28 | 2019-01-01 | 无锡韩光电器股份有限公司 | For bypassing the electrically operated disabling device of automatic transfer switching electric appliance |
| CN110416007A (en) * | 2019-08-19 | 2019-11-05 | 无锡韩光电器股份有限公司 | For bypassing the mechanical lock buckle device of automatic transfer switching electric appliance |
| CN114098297A (en) * | 2021-10-25 | 2022-03-01 | 重庆理工大学 | Interlocking type fire-fighting robot control console |
| CN114243882A (en) * | 2021-12-14 | 2022-03-25 | 天水师范学院 | Electrical interlocking control system and control method for double-bypass change-over switch electrical appliance |
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| CN109119264A (en) * | 2018-09-28 | 2019-01-01 | 无锡韩光电器股份有限公司 | For bypassing the electrically operated disabling device of automatic transfer switching electric appliance |
| CN109119264B (en) * | 2018-09-28 | 2023-09-26 | 无锡韩光电器股份有限公司 | Electric operation invalidation device for bypass automatic transfer switching device |
| CN110416007A (en) * | 2019-08-19 | 2019-11-05 | 无锡韩光电器股份有限公司 | For bypassing the mechanical lock buckle device of automatic transfer switching electric appliance |
| CN114098297A (en) * | 2021-10-25 | 2022-03-01 | 重庆理工大学 | Interlocking type fire-fighting robot control console |
| CN114243882A (en) * | 2021-12-14 | 2022-03-25 | 天水师范学院 | Electrical interlocking control system and control method for double-bypass change-over switch electrical appliance |
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Address after: The middle section of Wuhan road Huichuan District Waigaoqiao Industrial Park 563002 Guizhou city of Zunyi Province Patentee after: SHENZHEN TAIYONG ELECTRIC Co.,Ltd. Address before: The middle section of Wuhan road Huichuan District Waigaoqiao Industrial Park 563002 Guizhou city of Zunyi Province Patentee before: Guizhou Taiyong long Technology Co.,Ltd. |
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Address after: The middle section of Wuhan road Huichuan District Waigaoqiao Industrial Park 563002 Guizhou city of Zunyi Province Patentee after: Guizhou Taiyong long Technology Co.,Ltd. Address before: 563002 No. 147, Shanghai Road, Zunyi, Guizhou Patentee before: GUIZHOU CHANGZHENG SWITCH MFG CO.,LTD. |