CN202183570U - Locking device for draw-out type part - Google Patents
Locking device for draw-out type part Download PDFInfo
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- CN202183570U CN202183570U CN2011203210624U CN201120321062U CN202183570U CN 202183570 U CN202183570 U CN 202183570U CN 2011203210624 U CN2011203210624 U CN 2011203210624U CN 201120321062 U CN201120321062 U CN 201120321062U CN 202183570 U CN202183570 U CN 202183570U
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- 238000000034 method Methods 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims description 52
- 230000001141 propulsive effect Effects 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 20
- 238000003801 milling Methods 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 9
- 210000003371 toe Anatomy 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
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Abstract
A locking device for a draw-out type part belongs to the technical field of an electric appliance. A draw-out type part comprises a draw-out type part body, a propulsion mechanism and a panel. The locking device for a draw-out type part is characterized by comprising a program lock, a slide plate, an interlock mechanism and a connecting rod; one end of the slide plate is connected with and driven by the program lock, the center of the slide plate is provided with an interlock rod hole, and the other end of the slide plate is provided with a connecting rod hole; the interlock mechanism is disposed on the panel and is mated with the interlock rod hole; one end of the connecting rod is supported on the draw-out type part body and the other end of the connecting rod is connected with the propulsion mechanism after passing through the connecting rod hole; the interlock rod hole is a variable diameter hole composed of a first hole portion and a second hole portion, wherein the first hole portion and the second hole portion are communicated; and the connecting rod hole is a variable diameter hole composed of a third hole portion and a fourth hole portion, wherein the third hole portion and the fourth hole portion are communicated. The advantages of the utility model are that the draw-out type part body can be locked in a testing position or a work position, or operation can be carried out among a plurality of draw-out type part bodies according to certain operation procedures, the operation safety is guaranteed, and components are prevented from damage.
Description
Technical field
the utility model belongs to technical field of electric appliances, is specifically related to a kind of locking device of withdrawable parts.
Background technology
as the electrical equipment facility, withdrawable parts such as circuit breaker, isolates handcart, fuse handcart, PT (voltage transformer) handcart and CT (current transformer) handcart or the like.It can be moved to the service position or moved to test position by the service position through propulsion plant by test position.In distribution system; In order to ensure power supply reliability with avoid misoperation; Usually need withdrawable parts are locked in test position or are locked in the service position; Perhaps with requiring operation according to certain operation sequence between the withdrawable parts of a plurality of covers, to this, it is that electric locking device ensures that prior art adopts electric lock mode.
Before installing at the scene, must use and verify whether the electric loop wiring that is used for electric locking is good and whether correct, reliable by
electric locking device in advance through debugging.Yet in many occasions, owing to do not have operating power, thus make this operation of on-the-spot Installation and Debugging become very inconvenient, so can't operate.
normally; Electric locking device has strong point easy to operate and the embodiment automation for manual mechanical locking, say to have advance from technological layer, but facts have proved that electric locking device has the weakness of himself; This be because: if control loop does not have power supply to support; Then can't realize electric release, when this phenomenon occurs, undoubtedly need to rely on hand-operated forced release; A kind of non routine operation that hand-operated forced release is normally done something against one's will under the situation that does not possess electric release; Its fail safe can't guarantee, the situation that do not allow release but to be unlocked both might occur, might undermine in the withdrawable parts situation with the parts of response lock operation again.Therefore, industry is not thought highly of in the locking device of electric withdrawable parts is implemented locking
Summary of the invention
The task of
the utility model is to provide a kind of and realizes that through the mechanical caging mode withdrawable parts are in test position or service position locking or realize between the withdrawable parts of a plurality of covers operating to use by certain operation sequence not only guaranteeing processing safety, but also avoiding undermining the locking device of the withdrawable parts of parts.
The task of
the utility model is accomplished like this; A kind of locking device of withdrawable parts; Described withdrawable parts comprise withdrawable hardware body, be used for withdrawable hardware body at that move between test position and the service position and propulsive mechanism that is connected with withdrawable hardware body be used to the panel that supplies propulsive mechanism to support; It is characterized in that: described locking device comprises and is fixed on procedure lock, slide plate, interlocking device and the connecting rod of said panel towards a side of said withdrawable hardware body; One end of slide plate is connected with procedure lock and is driven by procedure lock, and the middle part of slide plate offers a blocking lever hole, and the other end of slide plate offers a tie rod holes; Interlocking device is arranged on the panel; Match with said blocking lever hole, and lean out the blocking lever hole, activate by said withdrawable hardware body; One end of connecting rod is bearing on the withdrawable hardware body slidably; And the other end is connected with said propulsive mechanism after passing said tie rod holes, common constitute and the reducing hole that communicate with each other of first, second hole portion of serving as reasons, described blocking lever hole, and described tie rod holes is constitute jointly and reducing that the communicate with each other hole by the 3rd, the 4th hole portion.
in one of the utility model concrete embodiment, the described aperture that is opened in the first hole portion on the slide plate is bigger than the aperture of the said second hole portion; The aperture of described the 3rd hole portion is bigger than the aperture of said the 4th hole portion; The described interlocking device that is arranged on the said panel matches with the first hole portion or matches with the second hole portion; Said connecting rod matches with the 3rd hole portion or matches with the 4th hole portion.
are in another concrete embodiment of the utility model; Described procedure lock comprises lock body and lock pin; Lock body is fixed on the side of said panel towards said slide plate, and lock pin is arranged on the lock body, wherein: lock pin is connected with said slide plate; And lock body leans out the side of panel back to said slide plate, and is perhaps concordant back to a side of slide plate with panel.
are in another concrete embodiment of the utility model; Described interlocking device comprises blocking lever, spring and screw rod, blocking lever axially be provided with first body of rod and second body of rod, second body of rod matches with the described first hole portion or matches with the described second hole portion; Blocking lever constitutes a spring cavity towards the axial central authorities of an end of said panel; And the axial central authorities of the other end of blocking lever constitute a bolt hole, and constitute a spring base at the position, boundary of spring cavity and bolt hole, the central authorities of this spring base offer one be used to connect spring cavity and bolt hole bolt hole; Spring is placed in the said spring cavity; One end bearing of this spring is on said panel, and the other end is bearing on the spring base, and bolt is successively through being positioned on the said panel behind bolt hole, bolt hole and the spring.
are in another concrete embodiment of the utility model; Constitute a pair of milling flat and a pair of arc surface on the described connecting rod, a pair of milling flat keeps aspectant relation each other, and a pair of arc surface keeps aspectant relation equally each other; In the time of in milling flat corresponds to said the 4th hole portion; Connecting rod then is locked, and in milling flat corresponds to described the 3rd hole portion the time, then connecting rod is released.
also have among the concrete embodiment the utility model; Offer a connecting rod fixing head through hole on the described panel and in position corresponding to said connecting rod; And connecting rod is extended with a connecting rod fixing head on the end face of an end of panel; This connecting rod fixing head leans out connecting rod fixing head through hole and is fixed with a crank; This crank is connected with said propulsive mechanism, is installed with a bolt and nut seat on the described withdrawable hardware body and at the position corresponding to described propulsive mechanism.
are at more and among concrete embodiment of the utility model; Described propulsive mechanism comprises screw rod, screw bolt seat and hole sealing plate; Screw bolt seat is fixed on a side of said panel outward, and this screw bolt seat has a screw rod spindle nose hole, and an end of screw rod is bearing on the panel rotationally and probes in the screw rod spindle nose hole; The other end is bearing on the described bolt and nut seat rotationally; Hole sealing plate slides up and down to be provided on the screw bolt seat, and is corresponding with screw rod spindle nose hole, and this hole sealing plate also is connected with said crank.
the utility model so that concrete embodiment in, said screw rod probes into an end end in the said screw rod spindle nose hole and constitutes a rocking arm and cooperate square toes, rocking arm cooperates square toes to match with rocking arm.
are at again more and among concrete embodiment of the utility model; The end that described crank is connected with said hole sealing plate has one and is connected bearing pin; And on hole sealing plate and at position, offering a connecting pin axial trough corresponding to the connection bearing pin, connect bearing pin and probe in the connecting pin axial trough.
at again and then among concrete embodiment of the utility model, and described withdrawable hardware body is circuit breaker, isolate handcart, fuse handcart, voltage transformer handcart or current transformer handcart.
The technical scheme that
the utility model provides is because the blocking lever hole that will match with interlocking device is designed to the reducing hole that is made up of jointly first, second hole portion; And the tie rod holes that will match with connecting rod is designed to the reducing hole that is made up of jointly the 3rd, the 4th hole portion; Thereby can realize locking and release to slide plate; And then realization is to the locking and the release of procedure lock; Thereby can realize to of the locking of withdrawable hardware body, perhaps realize operating by certain operation sequence between many withdrawable hardware body to have the strong point that ensures handling safety and avoid undermining parts in test position or service position.
Description of drawings
Fig. 1 is that the test position locking device of the utility model is implemented illustration.
Fig. 2 is that the service position locking device of the utility model is implemented illustration.
Embodiment
Fig. 1 is asked for an interview in
; Show withdrawable parts in the drawings; These withdrawable parts comprise withdrawable hardware body 6, on this withdrawable hardware body 6 and towards a side of the following propulsive mechanism that also will describe in detail 7 and with propulsive mechanism 7 corresponding positions, are equipped with a bolt and nut seat 61.Here the withdrawable hardware body of being said 6 comprises circuit breaker with being not limited to, isolates handcart, fuse handcart, voltage transformer handcart or current transformer handcart, or the like.
The function of
aforesaid propulsive mechanism 7 is to be used for aforesaid withdrawable hardware body 6 is moved between test position and service position, and this propulsive mechanism 7 is connected with withdrawable hardware body 6 and is supported on the panel 5 (also can claim framework panel).
preferably but not the propulsive mechanism 7 that definitely is limited to comprises screw rod 71, screw bolt seat 72 and hole sealing plate 73; Screw bolt seat 72 is fixed on a side of panel 5 outwards; Promptly be fixed on the side of panel 5 back to aforesaid withdrawable hardware body 6; On this screw bolt seat 72, offer a screw rod spindle nose hole 721, screw rod 71 is connected with aforesaid bolt and nut seat 61 towards an end of withdrawable hardware body 6, and screw rod 71 constitutes cross sectional shape and is preferably tetragonal rocking arm and cooperates square toes 711 towards an end end of panel 5; This rocking arm cooperates square toes 711 to be insinuated in the aforesaid screw bolt seat spindle nose hole 721, is used to supply illustrated rocking arm 7111 to peg graft and cooperates.Hole sealing plate 73 can slide up and down to be provided on the screw bolt seat 72, and offers a connecting pin axial trough 731 in the bottom of this hole sealing plate 73.When hole sealing plate 73 during to top offset, just aforesaid screw rod spindle nose hole 721 is covered by it, rocking arm 7111 can't insert screw rod spindle nose hole 721 and cooperate square toes 711 to connect with rocking arm, promptly can't be rotated by rocking arm 7111 operation screw rods 71, and vice versa.That is to say; Have only when hole sealing plate 731 to bottom offset and when exposing screw rod spindle nose hole 721; rocking arm 7111 just is able to cooperate square toes 711 to match with rocking arm, and screw rod 71 is rotated, and drives withdrawable hardware body 6 by screw rod 71 and between test position to service position, moves.
The locking device that
the utility model provides comprises procedure lock 1, slide plate 2, interlocking device 3 and connecting rod 4; Procedure lock 1 comprises lock body 11 and lock pin 12 (also can be described as the pin tongue), and lock body 11 is fixed on panel 5 towards an interior side, promptly is fixed on the side of panel 5 towards slide plate 2; Lock pin 12 matches according to common practise and is arranged on the lock body 11; And lock body 11 leans out a side (back to a side of slide plate 2) of panel 5 outwards, and certainly, lock body 11 also can be concordant with panel 5.Slide plate 2 is parallel with panel 5; One end of this slide plate 2 is that the left end of location status shown in Figure 1 constitutes a connection flanging 23; On this connection flanging 23, offer a lock pin probe hole 231, the end of aforesaid lock pin 12 is processed with screw thread 121, after lock pin 12 inserts lock pin probe holes 231, revolves with nut 1211 to be assigned on the screw thread 121; Thereby an end that makes slide plate 2 is a left end to be connected with the lock pin 12 of procedure lock 1; Only when the key that matches with lock body 11 inserts lock body 11 and key, make lock pin 12 motions, drive slide plates 2 by lock pin 12 and move.Offering blocking lever hole 21 at the middle part of slide plate 2 and in position corresponding to the following interlocking device of soon detailing 3; This blocking lever hole 21 is made up of the first hole portion 211 and the second hole portion 212 jointly; First, second hole portion 211,212 communicates each other, and the aperture of the first hole portion 211 is bigger than the aperture of the second hole portion 212.Offer tie rod holes 22 at the other end of slide plate 2 and in position corresponding to connecting rod 4; This tie rod holes 22 is made up of the 3rd hole portion 221 and the 4th hole portion 222 jointly; Three, the 4th hole portion the 221, the 222nd communicate with each other, and the aperture of the 3rd hole portion 221 is bigger than the aperture of the 4th hole portion 222.Interlocking device 3 is fixed on the side of panel 5 towards slide plate 2 with the horizontal boom state.Preferably but not the interlocking device 3 that definitely is limited to comprises blocking lever 31, spring 32 and screw rod 33; Blocking lever 31 axially be provided with first body of rod 311 and second body of rod 312; Second body of rod 312 matches with the described first hole portion 211 or matches with the described second hole portion 212; Blocking lever 31 constitutes a spring cavity 3111 towards the axial central authorities of an end of said panel 5; And the axial central authorities of the other end of blocking lever 31 constitute a bolt hole 3121, and constitute a spring base 3112 at the position, boundary of spring cavity 3111 and bolt hole 3121, the central authorities of this spring base 3112 offer one be used to connect spring cavity 3111 and bolt hole 3121 bolt hole 3113; Spring 32 is placed in the spring cavity 3111; One end bearing of this spring 32 is on panel 5, and the other end is bearing on the spring base 3112, and screw rod 33 is successively through the spring center hole of bolt hole 3121, bolt hole 3113 and spring 32 and and then probe into the bolt hole 52 that defaults on the panel 5 and limit limiting nut 331.Aforesaid second body of rod 312 matches with the aforesaid first hole portion 211 or matches with the aforesaid second hole portion 212.Connecting rod 4 is bearing on the bolt and nut seat 61 towards an end of aforesaid bolt and nut seat 61 movably, specifically can be referring to Fig. 2 of application for a patent for invention publication number CN101621188A and to the related description of this Fig. 2.Connecting rod 4 constitutes a connecting rod fixing head 43 towards the end face central authorities of an end of panel 5; Be fixed with a crank 431 after passing the connecting rod fixing head through hole 51 that defaults on the panel 5 at connecting rod 4; The bottom of crank 431 has one and connects bearing pin 4311, connects bearing pin 4311 by this and inserts aforementioned connecting pin axial troughs 731 and connecting rod 4 is connected with the hole sealing plate 73 of propulsive mechanism 7.Connecting rod 4 constitutes a pair of milling flat 41 and a pair of arc surface 42 corresponding to the position of tie rod holes 22; A pair of milling flat 41 correspondence that faces each other; And a pair of arc surface 42 correspondence that faces each other equally, hence one can see that, and milling flat 41 is one at a distance from a configuration with arc surface 42; Wherein, milling flat 41 matches with the 3rd hole portion 221 or matches with the 4th hole portion 222.
applicant describes the application of the utility model, like Fig. 1, and the application of test position locking device; Take the key that matches with lock body 11 away; Withdrawable hardware body 6 (present embodiment refers to circuit breaker) is locked in test position, pushes the firmly end face of second body of rod 312 of blocking lever 31, the second hole portion 212 in blocking lever hole 21 and 312 compatible the joining of second body of rod of blocking lever 31 by withdrawable hardware body 6; The 4th hole portion 222 of tie rod holes 22 and 41 compatible the joining of milling flat of connecting rod 4; Connecting rod 4 can't rotate, because the distance between a pair of arc surface 42 is greater than the aperture of the 4th hole portion 222, the hole sealing plate 73 of propulsive mechanism 7 can not be opened; The operator can not shake into or shake out operation to withdrawable hardware body 6, therefore withdrawable hardware body 6 is locked in test position.During cancellation test position lock-out state; Key is inserted lock body 11, and be rotated counterclockwise to unlocked position, lock pin 12 is moved to the left; Driving slide plate 2 is moved to the left; At this moment the first hole portion 211 in blocking lever hole 21 and 312 compatible the joining of second body of rod of blocking lever 3, the 3rd hole portion 221 and 4 compatible joining of connecting rod of tie rod holes 22, this moment, connecting rod 4 can rotate.The hole sealing plate 73 of propulsive mechanism 7 can be opened, and the operator inserts rocking arm 7111, shakes rocking arm 7111 and shakes into operation; Can withdrawable hardware body 6 be moved to the service position, when withdrawable hardware body 6 was left test position, blocking lever 31 no longer received the pushing of withdrawable hardware body 6; Blocking lever 31 axial direction with blocking lever 31 under the effect of spring 32 moves to the direction away from panel 5, at this moment, and the first hole portion 211 in blocking lever hole 21 and 311 compatible the joining of first body of rod of blocking lever 3; Just first body of rod 311 is got in the first hole portion 211, the 3rd hole portion 221 and 4 compatible joining of connecting rod of tie rod holes 22, this moment, connecting rod 4 can rotate; Because the distance between a pair of arc surface 42 can be satisfied in the aperture of the 3rd hole portion 221, withdrawable hardware body 6 can move arbitrarily between test position and service position, still; Because the aperture of the second hole portion 212 in blocking lever hole 21 is less than the radial section width of first body of rod 311 of blocking lever 3, therefore, slide plate 2 can't reset under blocking lever 3 spacing; Promptly can't move right, lock pin 12 can't reset equally, promptly can't move right; Key is limited in can not extracting on the lock core 13.
Said apparatus is summed up in
; When withdrawable hardware body 6 is in test position; Take the key that matches with lock core 13 away, can't shake withdrawable hardware body 6 and into shake out operation, therefore withdrawable hardware body 6 is locked in test position.Insert key; Can shake withdrawable hardware body 6 and into shake out operation, can withdrawable hardware body 6 be moved to the service position, or between service position and test position, move; In case withdrawable hardware body 6 is left test position, key then can't take out from lock core 13.
The application of
service position locking device; First body of rod 311 and second body of rod 312 of blocking lever 3 change at the axial location of blocking lever 3 to some extent, like Fig. 2, take the key that matches with lock body 11 away; Withdrawable hardware body 6 is locked in the service position; When withdrawable hardware body 6 was positioned at the service position, blocking lever 3 did not receive the pushing of withdrawable hardware body 6, the second hole portion 212 in blocking lever hole 21 and 312 compatible the joining of second body of rod of blocking lever 3; The 4th hole portion 222 of tie rod holes 22 and 41 compatible the joining of milling flat of connecting rod 4; Connecting rod 4 can't rotate, because the aperture of the 4th hole portion 222 is less than the distance between a pair of arc surface 42, the hole sealing plate 73 of propulsive mechanism 7 can not be opened; The operator can not shake into or shake out operation to withdrawable hardware body 6, therefore withdrawable hardware body 6 is locked in the service position.When cancelling the service position lock-out state, insert key, and be rotated counterclockwise unlocked position, lock pin 12 is moved to the left; Drive slide plate 2 and be moved to the left, the first hole portion 211 in blocking lever hole 21 and 312 compatible the joining of second body of rod of blocking lever 3, the 3rd hole portion 221 and 4 compatible joining of connecting rod of tie rod holes 22, this moment, connecting rod 4 can rotate; The hole sealing plate 73 of propulsive mechanism 7 can be opened, and the operator inserts rocking arm 7111, shakes rocking arm 7111 and shakes out operation; Can withdrawable hardware body 6 be moved to test position, after withdrawable hardware body 6 entering test positions finally put in place, withdrawable hardware body 6 pushing blocking levers 31; Blocking lever 31 moves to the direction of panel 5, at this moment, and the first hole portion 211 in blocking lever hole 21 and 311 compatible the joining of first body of rod of blocking lever 31; The 3rd hole portion 221 and 4 compatible joining of connecting rod of tie rod holes 22, this moment, connecting rod 4 can rotate, and withdrawable hardware body 6 can move arbitrarily between test position and service position; But, because the aperture of the second hole portion 212 in blocking lever hole 21 is less than the radial section width of first body of rod 311 of blocking lever 31, therefore; Slide plate 2 can't reset under blocking lever 31 spacing, promptly can't move right, and lock pin 12 can't reset equally; Promptly can't move right, key is limited in can not taking away on the lock body 11.
Said apparatus is summed up in
; When withdrawable hardware body 6 is in the service position; Take the key that matches with lock body 11 away, can't shake withdrawable hardware body 6 and into shake out operation, therefore withdrawable hardware body 6 is locked in the service position.Insert key; Can shake withdrawable hardware body 6 and into shake out operation, can withdrawable hardware body 6 be moved to test position, or between service position and test position, move; In case withdrawable hardware body 6 is left the service position, key then can't be pulled out from lock core 13.
many can extract out between parts and operate by certain operation sequence requirement; Comprise following several kinds of situation: 1. " two advance one ": when two withdrawable hardware body 6 all set the test position locking device; And procedure lock 1 is identical; Only be equipped with a key, just can realize that two withdrawable hardware body 6 have and only have a withdrawable hardware body 6 can move to the service position, another can only be in test position.For example; A, two withdrawable hardware body 6 of B all were in test position originally, and key inserts in the test position locking device of A; Make A can be moved to the service position; Because A has left test position, make that the key in the test position locking device that inserts A can not be pulled out, therefore can't shake and into shake out operation the B that is in test position.Vice versa.2. the withdrawable hardware body 6 of " three advance two ": Jiang Santai all sets the test position locking device, and procedure lock 1 is identical, only is equipped with two keys.3. can realize functions such as " four advance three " by that analogy.4. two withdrawable hardware body 6 of A and B, A is advanced, and B advances again, and B goes out A earlier and goes out: A is set the service position locking device; B sets the test position locking device; Procedure lock 1 is identical, only is equipped with a key, can extract components A in the time of just realizing shaking into out and move to after the service position also locks; Can extract part B out and just allow to move to the service position, can extract out when shaking out and can extract components A out and just allow to move to test position after part B moves on to test position and locking by the service position by test position.For example, A, B all are in test position, and key can only be positioned on the lock core 13 of service position locking device of A; Because key can be extracted from the test position locking device of B, but can not from the service position locking device of A, extract, at this moment; After but operation A gets into the service position and puts in place, extract the key of the service position locking device that is arranged in A, could key be inserted in the lock body 11 of test position locking device of B; And B moved to the service position; Carry out two can extract out parts shake out operation the time, have only after B moves to test position, could key be extracted from the lock body 11 of the test position locking device of B; Key is inserted on the lock body 11 of service position locking device of A, operation A moves to test position from the service position again.
In sum, the utility model provides a kind of locking device of extracting parts out, its through between the blocking lever hole 21 offered on the slide plate 2 and the blocking lever 31 cooperate and through cooperating between the tie rod holes 22 offered on the slide plate 2 and the connecting rod 4; Realization is to the locking and the release of slide plate; Further realize locking and release between key and the lock body 11, thereby realize of the locking of withdrawable hardware body 6, can realize that perhaps many can be extracted out between parts by certain procedure operation in test position or service position; Comprise: " two advance one "; " three advance two ", " four advance three ", requirements such as " A, two withdrawable hardware body 6 of B; A is advanced, and B advances again, and B goes out A earlier and goes out " is operated
Claims (10)
1. the locking device of
a kind of withdrawable parts; Described withdrawable parts comprise withdrawable hardware body (6), be used for withdrawable hardware body (6) at that move between test position and the service position and propulsive mechanism (7) that is connected with withdrawable hardware body (6) be used to the panel (5) that supplies propulsive mechanism (7) to support; It is characterized in that: described locking device comprises and is fixed on procedure lock (1), slide plate (2), interlocking device (3) and the connecting rod (4) of said panel (5) towards a side of said withdrawable hardware body (6); One end of slide plate (2) is connected with procedure lock (1) and is driven by procedure lock (1); The middle part of slide plate (2) offers a blocking lever hole (21); And the other end of slide plate (2) offers a tie rod holes (22); Interlocking device (3) is arranged on the panel (5); Match with said blocking lever hole (21), and lean out blocking lever hole (21), activate by said withdrawable hardware body (6); One end of connecting rod (4) is bearing on the withdrawable hardware body (6) slidably; And the other end is connected with said propulsive mechanism (7) passing said tie rod holes (22) back, common constitute and the reducing hole that communicate with each other of first, second hole portion (211,212) of serving as reasons, described blocking lever hole (21), and described tie rod holes (22) is formation the jointly and reducing hole that communicate with each other by the 3rd, the 4th hole portion (221,222).
2. the locking device of
withdrawable parts according to claim 1 is characterized in that the described aperture that is opened in the first hole portion (211) on the slide plate (2) is bigger than the aperture of the said second hole portion (212); The aperture of described the 3rd hole portion (221) is bigger than the aperture of said the 4th hole portion (222); The described interlocking device (3) that is arranged on the said panel (5) matches with the first hole portion (211) or matches with the second hole portion (212); Said connecting rod (4) matches with the 3rd hole portion (221) or matches with the 4th hole portion (222).
3. the locking device of
withdrawable parts according to claim 1; It is characterized in that described procedure lock (1) comprises lock body (11) and lock pin (12); Lock body (11) is fixed on the side of said panel (5) towards said slide plate (2), and lock pin (12) is arranged on the lock body (11), wherein: lock pin (12) is connected with said slide plate (2); And lock body (11) leans out the side of panel (5) back to said slide plate (2), and perhaps (side of 20 is concordant back to slide plate with panel (5).
4. the locking device of
withdrawable parts according to claim 2; It is characterized in that described interlocking device (3) comprises blocking lever (31), spring (32) and screw rod (33); Blocking lever (31) axially be provided with first body of rod (311) and second body of rod (312); Second body of rod (312) matches with the described first hole portion (211) or matches with the described second hole portion (212); Blocking lever (31) constitutes a spring cavity (3111) towards the axial central authorities of an end of said panel (5); And the axial central authorities of the other end of blocking lever (31) constitute a bolt hole (3121), and constitute a spring base (3112) at the position, boundary of spring cavity (3111) and bolt hole (3121), the central authorities of this spring base (3112) offer one be used to connect spring cavity (3111) and bolt hole (3121) bolt hole (3113); Spring (32) is placed in the said spring cavity (3111); One end bearing of this spring (32) is on said panel (5), and the other end is bearing on the spring base (3112), and bolt (33) is positioned on the said panel (5) behind bolt hole (3121), bolt hole (3113) and spring (32) successively.
5. the locking device of
withdrawable parts according to claim 2; It is characterized in that constituting on the described connecting rod (4) a pair of milling flat (41) and a pair of arc surface (42); A pair of milling flat (41) keeps aspectant relation each other; And a pair of arc surface (42) keeps aspectant relation equally each other, and in the time of in milling flat (41) corresponds to said the 4th hole portion (222), connecting rod (4) then is locked; And in milling flat (42) corresponds to described the 3rd hole portion (221) time, then connecting rod (4) is released.
6. the locking device of
withdrawable parts according to claim 1; It is characterized in that offering on the described panel (5) and in position a connecting rod fixing head through hole (51) corresponding to said connecting rod (4); And connecting rod (4) is extended with a connecting rod fixing head (43) on the end face of an end of panel (5); This connecting rod fixing head (43) leans out connecting rod fixing head through hole (51) and is fixed with a crank (431); This crank (431) is connected with said propulsive mechanism (7), is installed with a bolt and nut seat (61) on the described withdrawable hardware body (6) and at the position corresponding to described propulsive mechanism (7).
7. the locking device of
withdrawable parts according to claim 6; It is characterized in that described propulsive mechanism (7) comprises screw rod (71), screw bolt seat (72) and hole sealing plate (73); Screw bolt seat (72) is fixed on a side of said panel (5) outward; This screw bolt seat (72) has a screw rod spindle nose hole (721); One end of screw rod (71) is bearing in panel (5) rotationally and goes up and probe in the screw rod spindle nose hole (721), and the other end is bearing on the described bolt and nut seat (61) rotationally, and hole sealing plate (73) slides up and down to be provided on the screw bolt seat (72); Corresponding with screw rod spindle nose hole (721), and this hole sealing plate (73) also is connected with said crank (431).
8. the locking device of
withdrawable parts according to claim 7; It is characterized in that the end end that said screw rod (71) probes in the said screw rod spindle nose hole (721) constitutes rocking arm cooperation square toes (711), rocking arm cooperates square toes (711) to match with rocking arm (7111).
9. the locking device of
withdrawable parts according to claim 7; It is characterized in that a end that described crank (431) is connected with said hole sealing plate (73) has one and is connected bearing pin (4311); And upward and at position offering a connecting pin axial trough (731) corresponding to connection bearing pin (4311) at hole sealing plate (73), connect bearing pin (4311) and probe in the connecting pin axial trough (731).
10.
According to the locking device of claim 1 or 6 described withdrawable parts, it is characterized in that described withdrawable hardware body (6) is circuit breaker, isolation handcart, fuse handcart, voltage transformer handcart or current transformer handcart
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203210624U CN202183570U (en) | 2011-08-30 | 2011-08-30 | Locking device for draw-out type part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203210624U CN202183570U (en) | 2011-08-30 | 2011-08-30 | Locking device for draw-out type part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202183570U true CN202183570U (en) | 2012-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203210624U Expired - Lifetime CN202183570U (en) | 2011-08-30 | 2011-08-30 | Locking device for draw-out type part |
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| Country | Link |
|---|---|
| CN (1) | CN202183570U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956667A (en) * | 2014-05-19 | 2014-07-30 | 慈溪奇国电器有限公司 | Split structure type function unit drawer device |
| CN103956666A (en) * | 2014-05-19 | 2014-07-30 | 慈溪奇国电器有限公司 | Boosting propulsion and error-proofing interlocking mechanism of split structure type drawer device |
| CN108539647A (en) * | 2017-03-01 | 2018-09-14 | 西门子公司 | Chassis vehicle and switchgear for switchgear |
| CN109301744A (en) * | 2018-11-26 | 2019-02-01 | 安徽中电兴发与鑫龙科技股份有限公司 | A kind of direct current breaker cabinet of high safety performance |
| CN111404069A (en) * | 2019-01-02 | 2020-07-10 | Ls产电株式会社 | Lead-in and lead-out device of circuit breaker comprising interlocking module |
-
2011
- 2011-08-30 CN CN2011203210624U patent/CN202183570U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956667A (en) * | 2014-05-19 | 2014-07-30 | 慈溪奇国电器有限公司 | Split structure type function unit drawer device |
| CN103956666A (en) * | 2014-05-19 | 2014-07-30 | 慈溪奇国电器有限公司 | Boosting propulsion and error-proofing interlocking mechanism of split structure type drawer device |
| CN103956666B (en) * | 2014-05-19 | 2016-02-17 | 慈溪奇国电器有限公司 | The reinforcement of Split type structure formula drawer advances and misoperation-prevent interlocking mechanism |
| CN108539647A (en) * | 2017-03-01 | 2018-09-14 | 西门子公司 | Chassis vehicle and switchgear for switchgear |
| CN109301744A (en) * | 2018-11-26 | 2019-02-01 | 安徽中电兴发与鑫龙科技股份有限公司 | A kind of direct current breaker cabinet of high safety performance |
| CN111404069A (en) * | 2019-01-02 | 2020-07-10 | Ls产电株式会社 | Lead-in and lead-out device of circuit breaker comprising interlocking module |
| US11476646B2 (en) | 2019-01-02 | 2022-10-18 | Ls Electric Co., Ltd. | Retracting and extending apparatus for circuit breaker with interlock module |
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