CN102509661B - 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
- Publication number
- CN102509661B CN102509661B CN201110334773.XA CN201110334773A CN102509661B CN 102509661 B CN102509661 B CN 102509661B CN 201110334773 A CN201110334773 A CN 201110334773A CN 102509661 B CN102509661 B CN 102509661B
- Authority
- CN
- China
- Prior art keywords
- plate
- bypass
- latch
- jam plate
- rotating disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
Having two-way power supply (conventional power supply and stand-by power supply, also be a-power supply and B-source) electric power system in, when power supply is detected, occur deviation (as overvoltage, under-voltage or scarce pressure time), device for switching automatically Cong Gai road power supply is converted to another road power supply.After conventional power supply is detected recovery normally, device for switching also can automatically revert to conventional Power supply.When device for switching need to carry out inspection and maintenance, by-pass switch can be operated to "on" position, then change over switch is disconnected, just can body switch be extracted out or be inserted by spanner and handle.When body switch is changed between a-power supply and B-source, electrical safety interlock carries out electrical interlocks to a-power supply and B-source, make it to connect, but there is malfunctioning risk in electrical safety interlock simultaneously, therefore need to carry out double interlock to it.
When body switch is during in service mode, two by-pass switches can replace body switch connection power supply, in like manner, A bypass supply and the B bypass supply of two by-pass switches can not be connected simultaneously, and in the situation that body switch a-power supply and B-source all disconnect, if by-pass switch is privately closed, will produce large electric arc, thereby initiation security incident, is therefore necessary body switch and by-pass switch to interlock, to improve processing safety.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of operations linkage safety mutually-locking device of draw out switchgear electrical equipment.
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 linking device linking with described manual driving device;
Described interlocking linking device comprises the A rotating disk that is fixedly arranged on respectively described a-power supply square shaft and B-source square shaft one end and B rotating disk, be fixed on buckle on the main body frame side plate inwall of described body switch place, vertical be slidably arranged in described buckle and with the jam plate of described manual driving device interlock and be free to slide and be fixed on the catch means of described buckle inside bottom for limiting described jam plate in described buckle; On described A rotating disk and B rotating disk, be provided with two lug bosses, and the lug boss on the lug boss on described A rotating disk and B rotating disk (305) is symmetrical, described buckle is provided with the spacing hole coordinating with the lug boss of described A rotating disk and the lug boss of B rotating disk respectively, the two ends of described jam plate are symmetrical arranged and are useful on upper gear and the lower gear that stops described lug boss, are symmetrically arranged with middle gear in the middle of a side;
One side of described pair of by-pass switch is provided with for making A bypass supply remain on the A bypass four connecting rod positioners of the state of being switched on or switched off and for making B bypass supply remain on the B bypass four connecting rod positioners of the state of being switched on or switched off, described interlocking linking device also comprises plate, described plate and the interlock of described manual driving device, on it, be symmetrically arranged with two guide grooves, the circular shaft on described A bypass four connecting rod positioners and B bypass four connecting rod positioner forks coordinates with guide groove described in two respectively;
When described manual driving device drives described jam plate to slide into respectively highest order, interposition and lowest order in described buckle, described A rotating disk and B rotating disk can not rotate simultaneously, then realizing a-power supply and B-source can not connect simultaneously, and a-power supply and B-source is mechanical interlocked; Meanwhile, described plate can not be connected described A bypass supply and B bypass supply simultaneously, and 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, described plate is fan-shaped, and described in two, guide groove is symmetricly set on the angular bisector both sides of described plate central angle; And described in two, guide groove is L-shaped.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, described manual driving device comprise be slidably arranged in described main body frame side plate front end Handleset, be hinged on the drive link between described Handleset end and described main body frame back side panel; Described jam plate and described plate are all fixed with described drive link, and the central angle summit of described plate and or the end of described drive link be hinged on the back side panel of described main body frame;
Described drive link swings up and down centered by the pin joint of end, drives described jam plate to slide in described buckle simultaneously and drives described plate to 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, described Handleset comprise be fixed on described main body frame side plate front end handle fixedly coulisse, be slidably arranged in the fixedly handle lock device in coulisse of described handle; Described handle fixedly two ends and the central authorities of coulisse is respectively equipped with latch arm hole position;
Described handle lock device comprises that handle moulds shell, is fixed on the handle that described handle is moulded shell one side; Described handle has the locking bar groove of an end opening, in described locking bar groove, is provided with locking bar and elastic component, and the inwall of described elastic component one end and described locking bar groove is conflicted, the other end and the socket of described locking bar; On described locking bar, be also provided with button, press described button, described locking bar is retracted in described locking bar groove, button described in pull-up, thus described locking bar snaps onto and to described Handleset, carries out spacing in corresponding described latch arm hole position under the restoring force effect of described elastic component.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, described jam plate one side central authorities are outward extended with U-shaped plate, position corresponding with described U-shaped plate one end in described drive link is provided with mounting hole, and described drive link is by being connected with described jam plate with the connecting bushing of U-shaped plate through described mounting hole.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, described handle fixedly coulisse central authorities has a slit, the two ends of described slit and central authorities are provided with described latch arm hole position, and the width of the diameter of described locking bar and latch arm hole position is all greater than the width of described slit.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, upper gear and the lower gear of described jam plate include the baffle plate that is set in parallel in both sides, described jam plate two ends, described baffle plate is vertical with the upper surface of described jam plate, and described middle gear comprises and is arranged on the catch of described jam plate middle part one side and from the outward extending little pressure head in described catch one end; Described catch is vertical with the upper surface of described jam plate.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, a side relative with being provided with described middle gear on described jam plate is also provided with large pressure head.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, described catch means comprises latch fixed head and is located at the latch on described latch fixed head by elastic component; Described latch fixed head and described buckle inner side are fixing, and have latch open slot, and described latch is located in described latch open slot by elastic component; The inwall of described elastic component one end and described latch open slot is conflicted, and the other end is fixedly connected with one end of described latch; The other end of described latch is also provided with the push rod that axis is vertical with described latch axis;
Described lower gear is provided with the pin hole position coordinating with described latch, on described buckle, is provided with mounting hole with the correspondence position of described push rod, and described push rod is slided by the promotion of described Switch main body in described mounting hole.
The operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, wherein, described spacing hole comprise horizontal segment with vertical with described horizontal segment vertical section.
Implement the operations linkage safety mutually-locking device of draw out switchgear electrical equipment of the present invention, there is following beneficial effect: the present invention can realize the interlocking of mechanical body switch and two by-pass switches simple and reliablely, and the extraction of body switch and the reasonable operation of insertion, improved to greatest extent fail safe, and handle lock device wherein and catch means can keep body switch to extract out and again insert while putting in place from the state that puts in place automatically, the disjunction of a-power supply and B-source and the state of connection, i.e. memory function (except artificial destruction).When body switch inserts again, only have a-power supply and the disjunction of B-source and the state of connection and front when a-power supply is identical with the state of connection with the disjunction of B-source while once extracting out from the state that puts in place, body switch could insert and put in place.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the assembling schematic diagram 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 be in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention when A, B-source all disconnect, A bypass supply is connected, use state diagram when B bypass supply disconnects;
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 disconnects, and A bypass supply is connected, use state diagram when B bypass supply disconnects;
Figure 11 be in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention when a-power supply disconnects, B-source disconnects, A bypass supply disconnects, use state diagram when B bypass supply disconnects;
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 disconnects, and A bypass supply disconnects, use state diagram when B bypass supply disconnects;
Figure 13 be in the operations linkage safety mutually-locking device of a kind of draw out switchgear electrical equipment of the present invention when a-power supply disconnects, B-source is connected, A bypass supply disconnects, use state diagram when B bypass supply disconnects.
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 linking device linking with manual driving device.As shown in Figure 2, simultaneously referring to Fig. 4.Interlocking linking device comprises and is fixedly arranged on respectively the a-power supply square shaft 101 of body switch 100 and the A rotating disk 304 of B-source square shaft one end 102 and B rotating disk 305, is fixed on buckle 301 on body switch 100 place main body frame side plate inwalls, is vertically slidably arranged in buckle 301 and with the jam plate 302 of manual driving device interlock and the catch means 303 that is free to slide and is fixed on buckle 301 inside bottom for limiting jam plate 302 in buckle 301.
As shown in Figure 2, on body switch 100 (A B main circuit switch device), A movable contact system, B movable contact system and load power terminals are installed, and---a-power supply terminal, B static contact system---B-source terminal and the load power terminals that have corresponding A static contact system on body switch 100.Drive unit on body switch 100 can drive A square shaft or B square shaft to rotate certain angle, thereby make A movable contact system contact with A static contact system disconnect, or B movable contact system contact with B static contact system disconnect, drive A rotating disk 304 or B rotating disk 305 to rotate certain angle simultaneously.1), a-power supply connects, B-source disconnects the drive unit of body switch 100 can make the a-power supply of body switch 100 and B-source have three kinds of states:; 2), a-power supply disconnection, B-source are connected; 3), a-power supply disconnection, B-source disconnect.Hence one can see that, and a-power supply and B-source can not be connected simultaneously.
In addition, on A rotating disk 304 and B rotating disk 305, be symmetrical arranged respectively two lug bosses 306 in addition, and buckle 301 is provided with the spacing hole 307 coordinating with the lug boss 306 of A rotating disk 304 and the lug boss 306 of B rotating disk 305 respectively, as shown in Figure 6, the two ends of jam plate 302 are symmetrical arranged to be useful on and stop that the upper gear 308 of lug boss 306 and lower gear 309, one sides centres are symmetrically arranged with middle gear 310.
As shown in Figure 2, one side of two by-pass switches 200 is provided with for making A bypass supply remain on the A bypass four connecting rod positioners 201 of the state of being switched on or switched off and for making B bypass supply 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 and B bypass four connecting rod positioners 203 all belong to existing known technology, therefore at this, no longer narrate.Above-mentioned interlocking linking device also comprises plate 311, this plate 311 and manual driving device interlock, on it, be symmetrically arranged with two guide grooves 312, circular shaft 202 and circular shaft 204 on A bypass four connecting rod positioners 201 and B bypass four connecting rod positioner 203 forks coordinate with two guide grooves 312 respectively.
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 terminals device are installed on two by-pass switches 200.A bypass four connecting rod positioners 201 can make the A bypass supply in 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 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 be connected simultaneously, B bypass supply and B-source can be connected simultaneously, but A bypass supply can not be connected with B-source simultaneously, B bypass supply can not be connected with a-power supply simultaneously.
Above-mentioned manual driving device can drive jam plate 302 at interior highest order, interposition and the lowest order of sliding into respectively of buckle 301:
When jam plate 302 is during in highest order, upper gear 308 is correspondingly in highest order, one of them lug boss 306 of A rotating disk 304 is arranged in the gear 310 of close upper gear 208 with upper/lower positions, and be positioned at buckle 301 top spacing holes 307, owing to not going 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 306 of B rotating disk 305 are owing to being subject to respectively lower gear 309 and near the stopping of the middle gear 310 of lower gear 309, B-source square shaft 102 can not rotate, B-source cannot be connected.Now, plate 311 makes the state of A bypass supply in connecting, and the B bypass supply four connecting rod positioners 203 of B bypass supply are owing to being subject to the restriction of plate 311, therefore can not connect with A bypass supply simultaneously.
When jam plate 302 is during in lowest order, lower gear 309 is correspondingly 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 be positioned at the spacing hole 307 of buckle 301 bottoms, owing to there is no 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 306 of A rotating disk 304 are owing to being subject to respectively upper gear 308 and near the stopping of the middle gear 310 of upper gear 308, a-power supply square shaft 101 can not rotate, a-power supply cannot be connected.Now, plate 311 makes the state of B bypass supply in connecting, and the A bypass supply four connecting rod positioners 201 of A bypass supply are owing to being subject to the restriction of plate 311, therefore can not connect with B bypass supply 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 body switch 100, in two by-pass switches 200, A bypass supply and B bypass supply is mechanical interlocked, and body switch 100 and two by-pass switches 200 is mechanical interlocked.
As shown in Figure 4, preferably, above-mentioned plate 311 is fan-shaped, and two guide grooves 312 are symmetricly set on the angular bisector both sides of plate 311 central angles; And two guide grooves 312 are L-shaped.In a preferred embodiment of the invention, in the circular shaft of the bypass supply four connecting rod positioners minor face end in L shaped guide groove 312 interval scale in on-state, and from the flex point on minor face and long limit until in long edge tail interval scale in off-state.
Manual driving device comprise be slidably arranged in main body frame side plate front end Handleset, be hinged on the drive link 315 between Handleset end and main body frame back side panel, wherein, jam plate 302 and plate 311 all with drive link 315 be connected.Drive link 315 swings up and down centered by the pin joint of end, drives jam plate 302 in buckle 301, to slide up and down and drive plate 311 to rotate around the pin joint of end simultaneously.In addition, manual driving device can also drive separately plate 311 to connect A bypass supply or B bypass supply, certainly only has Handleset in (being that a-power supply is connected or B-source is connected) situation topmost or bottom, manual driving device could drive separately plate 311 to connect A bypass supply or B bypass supply, manually connects bypass supply.
Further, the handle that Handleset comprises the main body frame side plate front end being fixed on fixedly coulisse 314, be slidably arranged in the fixedly handle lock device 313 in coulisse 314 of handle, and fixedly 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 slides into respectively two ends and central latch arm hole position 316, jam plate 302 is driven respectively in highest order, lowest order and interposition by it.
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, this handle 317 has the locking bar groove of an end opening, in locking bar groove, be provided with locking bar 318 and elastic component 319, the inwall of elastic component 319 one end and locking bar groove is conflicted, the other end and locking bar 318 sockets.In addition, be also provided with button 320 on locking bar 318, press the button 320, locking bar 318 is retracted in locking bar groove, pull-up button 320, thus locking bar 305 snaps onto and to Handleset, carries out spacing in corresponding latch arm hole position 316 under the restoring force effect of elastic component 319.
Preferably, handle fixedly coulisse 314 central authorities has a slit, the two ends of this slit and central authorities are provided with above-mentioned latch arm hole position 316, and the width of the diameter of locking bar 318 and latch arm hole position 316 is all greater than the width of slit, while therefore only having locking bar 318 to slide into the position at 316 places, latch arm hole position, locking bar 318 could snap onto in 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 band lock etc.; Its fixing position is also not limited to handle fixedly on coulisse 301, can also directly be fixed on the side plate of main body frame; Equally, installation direction can be vertical, horizontal, longitudinal 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 U-shaped plate, position corresponding with this U-shaped plate one end in drive link 315 is provided with mounting hole, and drive link 315 is by hinged through connecting axle and the jam plate 302 of mounting hole and U-shaped plate.But the structure of U-shaped plate exists multiple variation, be not limited to the structure that the present embodiment adopts.
As shown in Figure 6, preferably, the upper gear 308 of above-mentioned jam plate 302 and lower gear 309 include the baffle plate 321 that is set in parallel in jam plate 302 both sides, two ends, baffle plate 321 is vertical with the upper surface of jam plate 302, and two middle gears 310 include and be arranged on the catch 322 of jam plate 302 middle part one sides and from the catch 322 outward extending little pressure heads 323 in one end, 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 down sliding when highest order from driving plate 311 to connect B bypass supply, also can prevent that jam plate 302 upward sliding connection when lowest order from driving plate 311 to connect A bypass supplies.A-power supply and B-source can not be connected simultaneously, and same, in the situation that a-power supply does not disconnect, B bypass supply can not be connected, and in the situation that B-source does not disconnect, A bypass supply can not be connected.As shown in Figure 7, also a side that can be relative with middle gear 310 on jam plate 302 arranges large pressure head 324, large pressure head 324 not only possesses the function identical with little pressure head 323, and because this large pressure head 324 makes there is larger electric clearance between body switch 100 and two by-pass switch 200 power supply terminals, 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 latch fixed head 325 by elastic component 327; Latch fixed head 325 is fixed with buckle 301 inner sides, and has latch open slot, and latch 326 is located in this latch open slot by elastic component 327; The inwall of elastic component 327 one end and latch open slot is conflicted, and the other end is fixedly connected with one end of latch 326, and the other end of latch 326 is also provided with the push rod 328 that axis is vertical with latch 326 axis.Correspondingly, lower gear 309 is provided with the pin hole position 329 (as shown in Figure 6) coordinating with latch 326, and be provided with mounting hole with the correspondence position of push rod 328 on buckle 301, when body switch 100 inserts main body frame, when push rod 328 is subject to the promotion of described Switch main body 100, can in mounting hole, slide, elastic component 327 compressed energy-storages, thereby remove the restriction to jam plate 302, when body switch 100 is extracted main body frame out, latch 326 stretches out latch open slot under the restoring force effect of elastic component 327, recovers the restriction to jam plate 302.It should be noted that the version of catch means 313 and fixed form can have multiple, if the plug-in card-bolt device of the ratchet shape swinging; The position of pin hole is not limited on jam plate 302, and as being also arranged in drive link 315, the installation site of catch means 313 is not limited on buckle 301, as being also arranged on the side plate of main body frame; Installation direction can horizontal or vertical and other angle, as long as can realize Lock function.
For lug boss 306 can be in the interior smooth slip of spacing hole 307, above-mentioned spacing hole 307 comprises horizontal segment and from horizontal segment end to downward-extension vertical section, thereby makes spacing hole 307 be L-type, can certainly adopt circular arc, is not limited to this.And the above-mentioned elastic component of mentioning all adopts spring.
In conjunction with the concrete structure of the operations linkage safety mutually-locking device of this draw out switchgear electrical equipment, operating principle of the present invention is further explained again below:
At body switch 100, insert the state that puts in place, when body switch 100 contacts with two by-pass switches 200, body switch 100 is in closure state.
1, as shown in figure 10, on handle lock device 313, lift to fixedly coulisse 314 positions, the top of handle, and handle lock device 313 is in the lock state, this state, plate 311 connects A bypass supply by L-type guide groove 312, and B bypass supply is disconnected, and A bypass four connecting rod positioners 201 make A bypass supply keep on-state, and B bypass four connecting rod positioners make B bypass supply remain open state.
When the A B-source of body switch 100 is 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 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 (can prevent the disconnection privately of A bypass supply) in buckle 301, even if press the button 320 on handle, jam plate 302 can not slide into down centre position.During insertion, body switch 100 promotes push rod 328 makes latch 326 exit pin hole 329, unlocks.And when A B-source wherein have one during in on-state, in in spacing hole 307 vertical section of one of them lug boss 306 of A rotating disk 304 or B rotating disk 305, the body switch 100 that stops that is subject to buckle 301 can not be extracted out or put in place to insertion from extraction state from inserting the state that puts in place.On handle lock device 313, lift to the fixedly position, the top of coulisse 314 of handle, and handle lock device 313 is in the lock state, bypass a-power supply is connected, bypass B-source disconnects, body switch 100 inserts while putting in place, 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 disconnection process, only have A bypass four connecting rod positioners 201 to make A bypass supply 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 if press the button 320 on handle lock device 313, because the little pressure head 323 on jam plate 302 and large pressure head 324 (as shown in Figure 9) are stopped by two lug bosses 306 of A rotating disk 304, therefore can not slide into down centre position.When the a-power supply of body switch 100 is on-state, press the button 320 on handle lock device 313, lower handle can make jam plate slide into centre position 302 times.
2, handle lock device 313 glides and arrives the fixedly centre position of coulisse 314 of handle, and handle lock device 313 is in the lock state, and body switch 100 inserts while putting in place, this interlock disconnects A bypass supply and B bypass supply by the L-type guide groove 312 of plate 311, A bypass four connecting rod positioners 201 and B bypass four connecting rod positioners 203 by A the off-state of B bypass supply keep.Under this state, and though the A of body switch 100 B-source in disconnecting or on-state, body switch 100 all can not be extracted out.
Now, the A of body switch 100 B-source can be switched on or switched off, 1), a-power supply connects, B-source disconnects there are following three kinds of states:; 2), a-power supply disconnection, B-source are connected; 3), a-power supply disconnection, B-source disconnect.
As shown in figure 12, under the 1st kind of state, little pressure head 323 and large pressure head 324 near lower gear 309 are stopped by two lug bosses 306 of B rotating disk 305, under can not be in buckle 301, slide into lowest positions (B is that bypass supply can not be connected), but can lift to above position topmost, be that A bypass supply is connected, and at this moment A bypass supply first connect the a-power supply of rear body switch 100 just can be from being switched to off-state;
As shown in figure 13, under the 2nd kind of state, little pressure head 323 and large pressure head 324 near upper gear 308 are stopped by two lug bosses 306 of A rotating disk 304, on can not be in buckle 301, lift to position (being that bypass a-power supply can not be connected) topmost, but can slide into down lowest positions, be that B bypass supply is connected, and at this moment B bypass supply first connect the B-source of rear body switch 100 could be from being switched to off-state;
As shown in figure 11, under three state, two little pressure heads 322 of middle gear 310 are stopped by two lug bosses 306 of A rotating disk 304 and B rotating disk 305 respectively, even if pressing button 320 on handle makes locking bar 318 exit latch arm hole position 316 to remove spacing, 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 under the 2nd kind of state, jam plate 302 could slide.
Therefore, this interlock can realize body switch A B-source and bypass A the sequencing interlocking that is switched on or switched off of B-source, only have 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 disconnecting, only have when A bypass supply or the disconnection of B bypass supply, a-power supply or B-source can disconnect.
Equally, a-power supply and B-source, A bypass supply and B bypass supply structure in this interlock is symmetrical up and down, has equally similar interlock function, as described below.
3, handle lock device 313 glides and arrives fixedly coulisse 314 lowest positions of handle, and handle lock device 313 is in the lock state, under this state, interlock connects B bypass supply by the L-type guide groove 312 of plate 311, and A bypass supply is disconnected, A bypass four connecting rod positioners 201 and B bypass four connecting rod positioners 203 make A the state that is switched on or switched off of B bypass supply keep.While only having the A B-source of body switch 100 to be off-state, body switch 100 just can be extracted out or insert and put in place; And when A B-source wherein has an on-state, body switch 100 is stopped by interlock, can not extract out or put in place to insertion from extraction state from inserting the state that puts in place.
Handle lock device 313 glides and arrives the fixedly lowest positions of coulisse 314 of handle, and handle lock device 313 is in the lock state, B bypass supply is connected, A bypass supply disconnects, body switch 100 inserts while putting in place, 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 interlock 308.The B-source of body switch 100 from off-state to connect or from on-state to disconnection process, interlock makes B bypass supply (handle lock device 313 is locked in on-position by B bypass supply) under 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 if press the button 320 on handle lock device, because jam plate 302 is stopped by two lug bosses 306 of B rotating disk 305, therefore can not on lift to centre position.When the B-source of body switch 100 is on-state, press the button 320 on handle lock device, upper handle also can make to lift to centre position on jam plate 302.
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 rod 328 makes latch 326 exit pin hole 329), under B-source disconnection, a-power supply off-state, little pressure head 323 near lower gear 309 is stopped by two lug bosses 306 of B rotating disk 305, even if press the button 320 on handle, jam plate 302 in buckle 301 can not on lift to centre position.
Handle lock device 313 and catch means 303 can keep body switch 100 extract out and again insert while putting in place the disjunction of a-power supply and B-source and the state of connection, i.e. memory function (except artificial destruction) from the state that puts in place automatically.When body switch 100 inserts again, only have a-power supply and the disjunction of B-source and the state of connection and front when a-power supply is identical with the state of connection with the disjunction of B-source while once extracting out from the state that puts in place, 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 extraction of body switch 100 and the reasonable operation of insertion, has improved to greatest extent fail safe.
Above embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement accordingly, can not limit the scope of the invention.All equalizations of doing with the claims in the present invention scope change and modify, and all should belong to the covering scope of the claims in the present invention.
Claims (10)
1. the operations linkage safety interlock linkage of a draw out switchgear electrical equipment, be used for realizing the mechanical interlocked of body switch (100) and two by-pass switches (200), it is characterized in that, comprise manual driving device and the interlocking linking device linking with described manual driving device;
Described interlocking linking device comprises A rotating disk (304) and the B rotating disk (305) that is fixedly arranged on respectively a-power supply square shaft (101) and B-source square shaft (102) one end, be fixed on the buckle (301) on the main body frame side plate inwall of described body switch (100) place, vertically be slidably arranged in described buckle (301) and the jam plate (302) linking with described manual driving device, and the catch means (303) that is free to slide and is fixed on described buckle (301) inside bottom for limiting described jam plate (302) in described buckle (301), on described A rotating disk (304) and B rotating disk (305), be provided with two lug bosses (306), and lug boss (306) symmetry on the lug boss (306) on described A rotating disk (304) and B rotating disk (305), described buckle (301) is provided with the spacing hole (307) coordinating with the lug boss (306) of described A rotating disk (304) and the lug boss (306) of B rotating disk (305) respectively, the two ends of described jam plate (302) are symmetrical arranged and are useful on upper gear (308) and the lower gear (309) that stops described lug boss (306), in the middle of one side, be symmetrically arranged with middle gear (310),
One side of described pair of by-pass switch (200) is provided with for making A bypass supply remain on the A bypass four connecting rod positioners (201) of the state of being switched on or switched off, and for making B bypass supply remain on the B bypass four connecting rod positioners (203) of the state of being switched on or switched off, described interlocking linking device also comprises plate (311), described plate (311) and described manual driving device interlock, on it, be symmetrically arranged with two guide grooves (312), circular shaft (202 on described A bypass four connecting rod positioners (201) and B bypass four connecting rod positioner (203) forks, 204) coordinate with guide groove described in two (312) respectively,
When described manual driving device drives described jam plate (302) to slide into respectively highest order, interposition and lowest order in described buckle (301), described A rotating disk (304) can not rotate with B rotating disk (305) simultaneously, then realizing a-power supply and B-source can not connect simultaneously, and a-power supply and B-source is mechanical interlocked; Meanwhile, described plate (311) can not be connected described A bypass supply and B bypass supply simultaneously, and A bypass supply and B bypass supply is mechanical interlocked.
2. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 1, is characterized in that, described plate (311) is fan-shaped, and guide groove described in two (312) is symmetricly set on the angular bisector both sides of described plate (311) central angle; And guide groove described in two (312) is L-shaped.
3. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 2, it is characterized in that, described manual driving device comprise be slidably arranged in described main body frame side plate front end Handleset, be hinged on the drive link (315) between described Handleset end and described main body frame back side panel; Described jam plate (302) and described plate (311) are all fixed with described drive link (315), and the central angle summit of described plate (311) and or the end of described drive link (315) be hinged on the back side panel of described main body frame;
Described drive link (315) swings up and down centered by the pin joint of end, drives described jam plate (302) to slide in described buckle (301) simultaneously and drives described plate (311) to 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, described Handleset comprise be fixed on described main body frame side plate front end handle fixedly coulisse (314), be slidably arranged in the fixedly handle lock device (313) in coulisse (314) of described handle; Described handle fixedly two ends and the central authorities of coulisse (314) is respectively equipped with latch arm hole position (316);
Described handle lock device (313) comprises that handle moulds shell, is fixed on described handle and moulds the handle of shell one side (317); Described handle (317) has the locking bar groove of an end opening, is provided with locking bar (318) and elastic component (319) in described locking bar groove, and the inwall of described elastic component (319) one end and described locking bar groove is conflicted, the other end and described locking bar (318) socket; On described locking bar (318), be also provided with button (320), press described button (320), described locking bar (318) is retracted in described locking bar groove, button described in pull-up (320), described locking bar (318) under the restoring force effect of described elastic component (319), snap onto corresponding described latch arm hole position (316) thus in to described Handleset, carry out spacing.
5. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 4, it is characterized in that, described jam plate (302) one side central authorities are outward extended with U-shaped plate, the upper position corresponding with described U-shaped plate one end of described drive link (315) is provided with mounting hole, and described drive link (315) is by being connected with described jam plate (302) with the connecting bushing of U-shaped plate through described mounting hole.
6. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 4, it is characterized in that, described handle fixedly coulisse (314) central authorities has a slit, the two ends of described slit and central authorities are provided with described latch arm hole position (316), and the width of the diameter of described locking bar (318) and latch arm hole position (316) is all greater than the width of described slit.
7. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 1, it is characterized in that, the upper gear (308) of described jam plate (302) and lower gear (309) include the baffle plate (321) that is set in parallel in described jam plate (302) both sides, two ends, described baffle plate (321) is vertical with the upper surface of described jam plate (302), and described middle gear (310) comprises and is arranged on the catch (322) of described jam plate (302) middle part one side and from described catch (322) the outward extending little pressure head in one end (323); Described catch (322) is vertical with the upper surface of described jam plate (302).
8. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 7, is characterized in that, the upper side relative with being provided with described middle gear (310) of described jam plate (302) is also provided with large 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, described catch means (303) comprises latch fixed head (325) and is located at the latch (326) on described latch fixed head (325) by elastic component (327); Described latch fixed head (325) is fixing with described buckle (301) inner side, and has latch open slot, and described latch (326) is located in described latch open slot by elastic component (327); The inwall of described elastic component (327) one end and described latch open slot is conflicted, and the other end is fixedly connected with the one end of described latch (326); The other end of described latch (326) is also provided with the push rod (328) that axis is vertical with described latch (326) axis;
Described lower gear (309) is provided with the pin hole position (329) coordinating with described latch (326), described buckle (301) is upper is provided with mounting hole with the correspondence position of described push rod (328), and described push rod (328) is slided by the promotion of described body switch (100) in described mounting hole.
10. the operations linkage safety interlock linkage of draw out switchgear electrical equipment according to claim 1, is characterized in that, described spacing hole (307) comprises horizontal segment and perpendicular to vertical section of described horizontal segment.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102509661A CN102509661A (en) | 2012-06-20 |
| CN102509661B true CN102509661B (en) | 2014-04-16 |
Family
ID=46221732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110334773.XA Active CN102509661B (en) | 2011-10-28 | 2011-10-28 | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102509661B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107301928B (en) * | 2016-04-15 | 2020-05-29 | 施耐德电器工业公司 | Mechanical interlock for bypass type dual-power transfer switch |
| CN109100971B (en) * | 2018-08-20 | 2024-02-09 | 合肥华耀电子工业有限公司 | On-off time sequence control circuit with interlocking function |
| 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 |
| CN114098297B (en) * | 2021-10-25 | 2022-12-06 | 重庆理工大学 | Interlocking type fire-fighting robot control console |
| CN114243882B (en) * | 2021-12-14 | 2023-04-14 | 天水师范学院 | Electrical interlocking control system and control method for double-bypass change-over switch electrical appliance |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427011Y (en) * | 2000-03-03 | 2001-04-18 | 天津市低压电器公司成套厂 | Double-power source changover switch operating device with mechanical link lock |
| CN1320939A (en) * | 2000-04-27 | 2001-11-07 | 尹顿公司 | Mechanically interlocking device for coordinating operation of circuit protectors and with overregulation compensation |
| CN101127278A (en) * | 2006-08-18 | 2008-02-20 | 宁波奇乐电器实业总公司 | Automatic conversion switch electrical appliance |
| US7462792B1 (en) * | 2008-03-13 | 2008-12-09 | Esl Power Systems, Inc. | Power transmission safety system |
| CN201170997Y (en) * | 2008-03-14 | 2008-12-24 | Abb新会低压开关有限公司 | Mechanical interlock mechanism for duplicate supply converting switch |
| CN201369508Y (en) * | 2008-09-03 | 2009-12-23 | 深圳市泰永科技股份有限公司 | Draw-out automatic transfer switch appliance with bypass |
-
2011
- 2011-10-28 CN CN201110334773.XA patent/CN102509661B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427011Y (en) * | 2000-03-03 | 2001-04-18 | 天津市低压电器公司成套厂 | Double-power source changover switch operating device with mechanical link lock |
| CN1320939A (en) * | 2000-04-27 | 2001-11-07 | 尹顿公司 | Mechanically interlocking device for coordinating operation of circuit protectors and with overregulation compensation |
| CN101127278A (en) * | 2006-08-18 | 2008-02-20 | 宁波奇乐电器实业总公司 | Automatic conversion switch electrical appliance |
| US7462792B1 (en) * | 2008-03-13 | 2008-12-09 | Esl Power Systems, Inc. | Power transmission safety system |
| CN201170997Y (en) * | 2008-03-14 | 2008-12-24 | Abb新会低压开关有限公司 | Mechanical interlock mechanism for duplicate supply converting switch |
| CN201369508Y (en) * | 2008-09-03 | 2009-12-23 | 深圳市泰永科技股份有限公司 | Draw-out automatic transfer switch appliance with bypass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102509661A (en) | 2012-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102509661B (en) | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear | |
| CN201805172U (en) | Interlocking mechanism for drawer of low-voltage draw-out-type switchgear assembly | |
| CN203589571U (en) | High-voltage switch cabinet with modular operating mechanism | |
| CN104715978A (en) | Withdrawable-type circuit breaker | |
| CN202353077U (en) | Ring main unit and interlocking device thereof | |
| CN209708923U (en) | Miniature circuit breaker | |
| CN203218164U (en) | Interlock, indication and auxiliary switch structure of single-motor three-station mechanism | |
| CN112420419A (en) | Jack box with linkage locking function | |
| CN102903563A (en) | Five-prevention operating mechanism of high-tension switch cabinet | |
| CN102243927B (en) | Operating mechanism of high-voltage switch cabinet | |
| CN103794390B (en) | A kind of high voltage switchgear has the mechanical interlocks of double-direction control function | |
| CN202839435U (en) | Five-prevention operating mechanism for high-tension switch cabinet | |
| CN102510019B (en) | Interlocking device for draw-out switch | |
| CN204720344U (en) | The fixed five anti-interlocking operation mechanisms of a kind of QH1 type mesohigh | |
| CN203351457U (en) | Interlocking mechanism among isolating switch, vacuum circuit breaker and cabinet door | |
| CN107293426B (en) | A kind of ring network cabinet cabinet door interlock | |
| CN206532723U (en) | A kind of drawer type automatic change-over | |
| CN201623392U (en) | Bypass short-circuit device of functional unit of distribution system | |
| CN203288462U (en) | An operational interlock of a ring main unit | |
| CN204792537U (en) | High tension switchgear operating device | |
| CN208478220U (en) | A kind of five anti-interlocking operation mechanisms of middle-high voltage switch | |
| CN202120783U (en) | Interlocking mechanism for preventing error operation of grounding switch | |
| CN205230879U (en) | Mechanical interlocking between solid insulation looped netowrk cabinet earthing switch and cable chamber | |
| CN202067690U (en) | Operating mechanism for high voltage switch cabinet | |
| CN209860465U (en) | Multifunctional interlocking mechanism of plug-in distribution box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
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. |
|
| CP03 | Change of name, title or address |
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. |