CN1787306A - Position locking device for breaker - Google Patents
Position locking device for breaker Download PDFInfo
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- CN1787306A CN1787306A CN 200410089372 CN200410089372A CN1787306A CN 1787306 A CN1787306 A CN 1787306A CN 200410089372 CN200410089372 CN 200410089372 CN 200410089372 A CN200410089372 A CN 200410089372A CN 1787306 A CN1787306 A CN 1787306A
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Abstract
This invention provides a location locking device of a breaker including: a dismountable operation piece, a drive restrict unit combining with the operation piece uniformly driving the breaker body to translate on the throat direction, a position display unit displaying the moving position of the breaker, a trigger unit for triggering with the position display unit, a position locking unit for locking the position of the drive restrict unit along the trigger action of the trigger unit and an unblock operation unit unblocking the position locking
Description
Technical field
The present invention relates to a kind of position local device of circuit breaker, specifically, relate to and be used to make each breaker body to be in the position local device of separation, test, the laggard line position locking/unlocking of on-position in a kind of withdrawable circuit breaker.
Background technology
Disclosed a kind of position local device of withdrawable circuit breaker among the Chinese invention patent ublic specification of application CN 1223448A, this circuit breaker by the operation to a removable operating parts (for example for shake handle) drive a drive system make breaker body in the separation on the depth direction, test, connect between these 3 positions and change.When breaker body was in the outermost separation point position of depth direction, included main circuit and the control circuit that is used to control all were in the state that the application major loop with circuit breaker is separated in this breaker body.When breaker body was in the on-position in the deep of depth direction, included main circuit and the control circuit that is used to control all were in and are connected the state of connecting with the application major loop of circuit breaker in this breaker body.When breaker body was between the two test position of the above-mentioned separation point position of depth direction and on-position, included main circuit was in the control circuit that is used to control that the former separates with the application major loop of circuit breaker, the latter is connected the state of connecting with the application major loop of circuit breaker in this breaker body.Wherein, drive system is arranged on the right side of breaker body generally, especially operating parts is operated formed power source from the right side, thus when giving breaker body with the formed transmission of power of operating parts the transmission of power of transmission mechanism and its suffered active force of constraint mechanism that breaker body is retrained in the left and right sides balance not too.This imbalance causes the right side need bear more stressed, the more power of output to guarantee breaker body uniform translation on depth direction, thereby the overall transmission of power performance of drive system, the intensity of each driving member have been proposed more strict requirement.In addition, the handle that shakes that adopts as operating parts has the effect that strengthens operating personnel's rotating torque, by the transmission of power of each driving member in the drive system, can make the locking position that combines with back level driving member run into the strict demand of component strength aspect equally with member.And what used here driving member related to is that requirement gear well matched cooperates.These all make the precision of each driving member, requirement of strength more strict, thereby manufacturing cost is increased greatly.
Summary of the invention
The present invention will address the above problem just, its purpose is, provide a kind of and manage the balanced peace treaty bundle breaker body that drives and move, thereby reduce the position local device of circuit breaker of precision, requirement of strength and the manufacturing cost thereof of each used transmission confining part.
Another purpose of the present invention is, provides a kind of and manages to make the reach of locking position structure, thereby reduce the position local device of circuit breaker of precision, requirement of strength and the manufacturing cost thereof of each used transmission confining part and locking position member.
In order to reach the object of the invention, the position local device of the circuit breaker of first aspect present invention comprises: a removable operating parts; One combines the transmission constraint mechanism of the body translation on the depth direction of described circuit breaker that is used to drive described circuit breaker with described operating parts; One combines the position that is used to characterize its shift position of described breaker body with described transmission constraint mechanism characterizes mechanism; Combine and be used for being in described position to characterize that at least one specific location triggers first state that mechanism characterized changes be the trigger mechanism of the second state This move in case one characterizes mechanism with described position; Is the second state This move carries out locking position to described transmission constraint mechanism position locking mechanism with described trigger mechanism from the change of first state; And to be used to make described trigger mechanism be first state and the unlocking operation mechanism that makes described position locking mechanism release from second state change, it is characterized in that, described position local device is in the below of described breaker body generally, and described transmission constraint mechanism has balanced transmission mechanism and constraint mechanism drives and retrain moving of described breaker body.
According to first aspect present invention, by making described position local device be in the below of described breaker body generally, and described transmission constraint mechanism has balanced transmission mechanism and constraint mechanism drives and retrain moving of described breaker body, make and comprise that the position local device of transmission constraint mechanism has changed existing bias mode, rely on the transmission mechanism and the constraint mechanism that form mid-mode in the drawout chassis of withdrawable circuit breaker and share the suffered active force in the left and right sides, guarantee breaker body uniform translation on depth direction by balanced outputting power.In addition, precision, requirement of strength and the manufacturing cost thereof of each used transmission confining part have compared with prior art been reduced.
In order to reach another purpose of the present invention, the position local device of the circuit breaker of second aspect present invention comprises: a removable operating parts; One combines the transmission mechanism of the body translation on the depth direction of described circuit breaker that is used to drive described circuit breaker with described operating parts; One combines the position that is used to characterize its shift position of described breaker body with described transmission mechanism characterizes mechanism; Combine and be used for being in described position to characterize that at least one specific location triggers first state that mechanism characterized changes be the trigger mechanism of the second state This move in case one characterizes mechanism with described position; Is the second state This move carries out locking position to described transmission mechanism position locking mechanism with described trigger mechanism from the change of first state; And to be used to make described trigger mechanism be first state and the unlocking operation mechanism that makes described position locking mechanism release from second state change, it is characterized in that,
Described transmission mechanism has one and combines the screw mandrel that plays gearing with described operating parts,
Described position locking mechanism comprises: one is fixed in the cam end, that have at least one recess that described screw mandrel combines with described operating parts; And one be the locking bar that second state moves, offsets with described cam with described trigger mechanism from first state change,
The recess that in a single day wherein said locking bar enters described cam is just finished the locking of described transmission mechanism.
According to second aspect present invention, no matter be alternative or append mode to first aspect, by forming position locking mechanism combining the end that the screw mandrel that plays gearing combines with this operating parts with described operating parts, make the locking position structure move forward, can avoid operating personnel unintentionally the rotating torque effect that strengthens being passed to the destructiveness damage that locking position is caused with member and back level transmission confining part, thereby compared with prior art, each the used transmission confining part and precision, requirement of strength and the manufacturing cost thereof of locking position member have been reduced.
In addition, the position local device of the circuit breaker of third aspect present invention, it is characterized in that, described position characterizes mechanism and comprises a location plate that is associated with described transmission mechanism, this location plate has a ups and downs edge, this edge has described at least one ad-hoc location, and described trigger mechanism comprises that one a small amount of movable push of rotating can take place around the pivot of its central part configuration, this movable push keeps bumping connecing by an end of described movable push and the described edge of described location plate under the effect of elastic-restoring force all the time, at described location plate during, remain and bump the described movable push that connects and a small amount of the rotation taken place with the concavo-convex fluctuating at the described edge of described location plate with described transmission mechanism generation translation.Constitute according to third aspect present invention, can accurately set at least one ad-hoc location on the location plate, to cause the trigger action of movable push in the described trigger mechanism corresponding at least one ad-hoc location on the location plate.
The position local device of the circuit breaker of fourth aspect present invention, it is characterized in that, described trigger mechanism is second state from the change of first state, be to make in the described trigger mechanism through under the counter clockwise direction rotary action of described movable push, remove the process of its this reset mode of its undeformed or preliminary deformation of recovering state that saves up strength in first spring that saves up strength and the described position locking mechanism respectively through second spring that saves up strength, and described trigger mechanism is first state from second state change, is to make described first and second springs produce the process that deformation saves up strength respectively from this reset mode of its undeformed or preliminary deformation by the operation to described unlocking operation mechanism.Constitute according to fourth aspect present invention, its trigger mechanism of position local device of the present invention moves by the bistable operation mode that first state and second state alternate.Specifically, first state is exactly the state that trigger mechanism and position locking mechanism medi-spring save up strength respectively, and second state is exactly the state that trigger mechanism and position locking mechanism medi-spring reset respectively, because the trigger action of previously described movable push, make in the described trigger mechanism through removing its state that saves up strength respectively through second spring that saves up strength in first spring that saves up strength and the described position locking mechanism, recover this reset mode of its undeformed or preliminary deformation, and be in described second state, after this then making described first and second springs produce deformation respectively from this reset mode of its undeformed or preliminary deformation by the operation to unlocking operation mechanism saves up strength, becomes described first state.By taking such bistable operation mode, can make the locking/unlocking action of position local device more easy, reliable.
The position local device of the circuit breaker of fifth aspect present invention, it is characterized in that, described trigger mechanism also comprises a series of linkage components, wherein at least 2 linkage components are in the state of interlocking by the operation to described unlocking operation mechanism, this makes described first and second springs be in the state of saving up strength respectively, the linkage component that is in the state of interlocking is triped under the effect that rotates counterclockwise of described movable push, and causing described trigger mechanism is the trigger action of second state from the change of first state.Constitute according to fifth aspect present invention, can make the instantaneous initiation of trigger mechanism is the trigger action of second state from the change of first state, improves its response speed.
Position local device according to the circuit breaker of sixth aspect present invention, it is characterized in that, in case causing described trigger mechanism is the trigger action of second state from the change of first state, the described locking bar that is connected with described second spring in the described position locking mechanism just makes under the drive of described linkage component through described second spring that saves up strength and begins to remove the state that saves up strength, this makes described locking bar and described cam offset, and just removes the state that saves up strength of described second spring when described locking bar enters into the recess of the described cam that rotates with described screw mandrel fully.Constitute according to sixth aspect present invention, can limit the calibration that screw mandrel rotates thus, corresponding with this calibration limit the breaker body translation arrive separate, worst error that test, on-position may exist.Thereby, lock after can making the breaker body translation arrive more accurate position.
The position local device of the circuit breaker of seventh aspect present invention is characterized in that, described at least one ad-hoc location is with the separating of described breaker body, test, wherein at least one position is corresponding for on-position.Like this, any several position was carried out locking position in the middle of the user can select to separate, test, connect these 3 positions as required.
The position local device of the circuit breaker of eighth aspect present invention is characterized in that, described screw mandrel has and the corresponding feed range of described breaker body shift motion.Like this, can make operating personnel only limit in the feed range of described screw mandrel, breaker body be moved, in order to avoid super scope running circuit breaker body and damage circuit breaker.
The position local device of the circuit breaker of ninth aspect present invention, it is characterized in that, described transmission mechanism also comprises except the screw mandrel that plays gearing: combine with described screw mandrel and along with in the symmetrically arranged first constraint guide rail of being rotated in of described screw mandrel on described depth direction the planker of sliding translation; Be meshed with the symmetrical rack hole that is provided with on the described planker respectively by the symmetrical sector gear that fixedly installs on it and drive the rotation pivot of its rotation; Symmetrically arranged clip in order to the described rotation pivot of rotatable constraint; And the second constraint guide rail of fixing with the two ends of described rotation pivot extension respectively, be used to keep described breaker body and described breaker body is provided with about translation on the described depth direction with the rotation of described rotation pivot, wherein be symmetrically arranged with the described planker of rack bore, the described rotation pivot that is symmetrically arranged with sector gear, described symmetrically arranged clip and described about the first and second constraint guide rails that are provided with, play the balanced transmission effect of contraction that peace treaty Shu Suoshu breaker body moves that drives.Constitute according to ninth aspect present invention, can make transmission mechanism and constraint mechanism equilibrium share the suffered active force in the left and right sides, guarantee breaker body uniform translation on depth direction by balanced outputting power by being symmetrical arranged.In addition, precision, requirement of strength and the manufacturing cost thereof of each used transmission confining part have compared with prior art been reduced.
The position local device of the circuit breaker of tenth aspect present invention, it is characterized in that, described position characterizes the included location plate of mechanism and is fixedly installed on the described planker, the edge of described location plate has 3 place's recesses and is in its 2 middle place's protuberances, no matter described location plate inwardly or is outwards pressed any depth direction translation, remain with described edge and to bump the included movable push one end of the described trigger mechanism that connects in case move to recess by the protuberance at described location plate edge, just causing described trigger mechanism is the trigger action of second state from first state change, 3 place's recesses of described location plate by inside depth direction successively corresponding to the separation of described breaker body, test and on-position.Like this, just can be in separation, the test of breaker body, connect this enterprising line position locking/unlocking in 3 positions.
The position local device of the present invention the tenth circuit breaker on the one hand, it is characterized in that described unlocking operation mechanism comprises one, and can to drive the included linkage component of described trigger mechanism by rotating operation, make described trigger mechanism be the rotating shaft of first state from the change of second state.By taking such rotating shaft set-up mode, can make the release action of position local device more easy, reliable.
The position local device of the circuit breaker of the present invention the 12 aspect, it is characterized in that, described position local device and described breaker body all are arranged in the drawer type housing, its blind hole that combines with described operating parts of screw mandrel that described transmission mechanism is included and the rotating operation end of described rotating shaft all are exposed to the positive side of described drawer housing by the positive set hole of described drawer housing, and described drawer housing front is provided with the unlocked position of the rotating operation end of described rotating shaft and the sign of latched position.By this sign setting, can be convenient to operating personnel and understand circuit breaker and be in which kind of state in the locking/unlocking state.
The position local device of the circuit breaker of the present invention the 13 aspect, it is characterized in that, further comprise the wherein spiral indicating arm of an end and described screw mandrel interlock, the other end that described spiral indicating arm plays indicative function is exposed to the positive side of described drawer housing by the positive set hole of described drawer housing, and described drawer housing front is provided with the sign to the indicated separation in the indication end of described spiral indicating arm, test and on-position.By this sign setting, can be convenient to operating personnel and understand breaker body and be in separation, test, connect which kind of position in these 3 positions.
The position local device of the circuit breaker of the present invention the 14 aspect, it is characterized in that, be fixed with wherein a part on the included planker of described transmission mechanism and erect the bent plate that is provided with, the included a series of linkage components of described trigger mechanism wherein are combined with a push rod at least one linkage component, under the rotate counterclockwise effect of other linkage components that are in the state of interlocking in the described trigger mechanism, trip in movable push, just causing described trigger mechanism is the trigger action of second state from the change of first state, this makes described push rod form the bump to described bent plate under the drive of the described linkage component of combination with it, produce the sound of the described trigger action of an expression therefrom, will cause described position locking mechanism to finish certain locking position action to the further operation of described operating parts with alert.Constitute according to the present invention the 14 aspect, operating personnel can operate under the state with sound feedback more reliably, at this moment operating personnel can continue in minimum amplitude range operation and shake handle finally by locking position as the handle that shakes of operating parts until this under the situation of sound prompting, can avoid misoperation to damage circuit breaker.
The position local device of the circuit breaker of the present invention the 15 aspect is characterized in that, described operating parts is for shaking handle.Handle is shaken in employing, can be convenient to operating personnel and operate, removes this handle at any time.
Description of drawings
Above-mentioned and other advantage of the present invention, feature will be more clear by the detailed description of carrying out below in conjunction with accompanying drawing.Following accompanying drawing only provides demonstration as preferred embodiment, wherein:
Fig. 1 is its overall vertical view that constitutes of position local device of expression a preferred embodiment of the present invention circuit breaker.
Fig. 2 is that its major part of expression position local device shown in Figure 1 constitutes the stereogram of (when being in second operating state).
Fig. 3 represents that from another visual angle its major part of position local device shown in Figure 1 constitutes the stereogram of (when being in second operating state).
Fig. 4 is the vertical view of expression position local device shown in Figure 1 when being in first operating state.
Fig. 5 is expression position local device shown in Figure 1 vertical view of a micromotion wherein when being in first operating state.
Fig. 6 is the cutaway view of expression position local device shown in Figure 5 along the A-A line.
Fig. 7 is the cutaway view of expression position local device shown in Figure 5 along the B-B line.
Embodiment
With reference to Fig. 1, Fig. 1 is its overall vertical view that constitutes of position local device of expression a preferred embodiment of the present invention circuit breaker.Illustrated be in the withdrawable circuit breaker as the part of the drawout chassis 50 of position local device, it is positioned at the below of breaker body (not shown).The sliding end (not shown) that breaker body can utilize its both side ends to be provided with is arranged at and is arranged between the upper rail 51 and lower guideway 52 of these drawout chassis 50 left and right sides (Fig. 1 only illustrates the right side) as the second constraint guide rail, slides between upper and lower guide rail 51,52 by sliding end and realizes the translation of breaker body on the circuit breaker depth direction (can in addition referring to Fig. 6).Realize this translation of breaker body, the main rotating shaft 24 as rotation pivot of fixing upper and lower guide rail 51,52 is rotated, specifically, the rotational transform of playing main rotating shaft 24 as the second upper and lower guide rail 51,52 that retrains guide rail is the effect that makes breaker body translation on depth direction.The rotation of main rotating shaft 24 then by this left and right sector gear 45,46 that fixedly installs on 24 and with planker 23 that screw mandrel 22 is connected on the left and right rack bore 47,48 that is provided with drive.Specifically, operating personnel can use the handle (not shown) that shakes for dismantled and assembled operating parts to insert in the non-circular blind hole of screw mandrel 22 ends, shake handle and come rotary screw rod 22 by operating this, be provided with like this and constrain in as the planker among left and right rail plate 10a, the 10b of the first constraint guide rail just with respect to the screw mandrel that rotates produce a level, moving on depth direction, and then mesh the rotation that drives main rotating shaft 24 respectively by rack bore 47,48 and sector gear 45,46.Here, main rotating shaft 24 by in the rack bore that is pressed in planker 23, be that is to say that by left and right clip (right clip 41 only is shown) rack bore 47,48 meshes respectively with sector gear 45,46 all the time in the feed range of screw mandrel 22.The feed range of this screw mandrel 22 is corresponding to the range of on-position with the separation point position of breaker body.As shown in the figure, when planker 23 moved by outside depth direction, breaker body that is to say then by inside depth direction translation, by from the separation point position to test position or further to the direction translation of on-position.Part shown in the many places label 49 is the reinforcement position on Fig. 1 middle carriage 23, is used for further strengthening the rigidity of planker 23.Above illustrated each several part constituted the transmission constraint mechanism that drives breaker body translation on depth direction.Need to prove, by making described position local device be in the below of breaker body generally, and the transmission constraint mechanism has balanced transmission mechanism and constraint mechanism drives and retrain moving of breaker body, make and comprise that the position local device of transmission constraint mechanism has changed existing bias mode, rely on the transmission mechanism and the constraint mechanism that form mid-mode in the drawout chassis of withdrawable circuit breaker, and make transmission mechanism and constraint mechanism equilibrium share the suffered active force in the left and right sides, but guarantee breaker body uniform translation on depth direction by balanced outputting power by being symmetrical arranged.In addition, precision, requirement of strength and the manufacturing cost thereof of each used transmission confining part have compared with prior art been reduced.In addition, need to prove, for screw mandrel 22 and thereafter the execution mode of each driving member of level be not limited to top illustrated concrete formation, also can take other to constitute the realization that this does not hinder the present invention to conceive substantially as required.
As shown in Figure 1, the locking bar that serves as position locking mechanism 19 shown in the figure, (as second spring) spring 20 and cam 25 are in second operating state, cam 25 recess (with reference to the recess 25a among Fig. 7) just in time is in relative insertion state with locking bar 19 under this state, lock-out state just, this moment, spring 20 was in the reset mode of undeformed or preliminary deformation.Position locking mechanism shown in Figure 7 then is in first operating state, from the recess 25a of cam 25, withdraw under the operation of the unlocking operation mechanism that operating personnel will illustrate the back at locking bar 19 under this state, and compression spring 20 makes it to be in deformation save up strength state, just released state.Form position locking mechanism by the end that combines with this operating parts at the screw mandrel that plays gearing, make the locking position structure move forward, can avoid operating personnel unintentionally the rotating torque effect that strengthens being passed to the destructiveness damage that locking position is caused with member and back level transmission confining part, thereby compared with prior art, each the used transmission confining part and precision, requirement of strength and the manufacturing cost thereof of locking position member have been reduced.Here, need to prove, be not limited to top illustrated concrete formation, also can take other to constitute the realization that this does not hinder the present invention to conceive substantially as required for the execution mode of each position locking component.
As shown in Figure 1, also comprise in the circuit breaker position locking device of preferred embodiment and be fixed on the location plate 12 that characterizes mechanism on the planker 23, as the position, this location plate 12 has a ups and downs edge on the right side, this edge has in order to characterize at least one ad-hoc location of breaker body shift position.The edge of used here location plate 12 forms to have 3 place's recesses and is in 2 place's protuberances in the middle of it, this 3 place recess by inside depth direction successively corresponding to separation, test and the on-position of breaker body.The trigger mechanism that is associated with this position sign mechanism comprises a movable push 1, the a small amount of rotation can take place around the pivot 15 of its central part configuration in this movable push 1, this movable push keeps bumping connecing by the end 1a of movable push 1 and the edge of location plate 12 under the elastic-restoring force effect of spring 16 all the time, at location plate 12 during, remain and bump the movable push 1 that connects and a small amount of the rotation taken place with the concavo-convex fluctuating at location plate 12 edges with above-mentioned transmission mechanism generation translation.No matter location plate 12 inwardly or is outwards pressed any depth direction translation, remain with the edge and to bump the movable push 1 one end 1a that connects in case move to recess by the protuberance at location plate edge, just cause the counter clockwise direction of movable push 1 and rotate, comprise that the whole locking position state of trigger mechanism is second operating state from the change of first operating state just.Like this, just can be in separation, the test of breaker body, connect the enterprising line position locking in these 3 positions.Specifically, trigger mechanism is second operating state from the change of first operating state, be that to make in the trigger mechanism first spring through saving up strength (be the spring 24 among Fig. 3, be called " first spring " below equally) and above-mentioned position locking mechanism in (be previously described spring 20 through second spring that saves up strength, be called " second spring " below equally) under the counter clockwise direction rotary action of movable push 1, remove the process of its this reset mode of its undeformed or preliminary deformation of recovering state that saves up strength respectively, trigger mechanism is first operating state from second operating state change, is that the operation by the unlocking operation mechanism that will illustrate the back makes first and second springs produce the process that deformation saves up strength respectively from this reset mode of its undeformed or preliminary deformation.Here obviously, its trigger mechanism of position local device of the present invention moves by the bistable operation mode that first operating state and second operating state alternate.Specifically, first operating state is exactly the state that trigger mechanism and position locking mechanism medi-spring save up strength respectively, and second operating state is exactly the state that trigger mechanism and position locking mechanism medi-spring reset respectively.Because previously described movable push 1 is counterclockwise rotated this trigger action, make in the trigger mechanism through removing its state that saves up strength respectively through second spring that saves up strength in first spring that saves up strength and the position locking mechanism, recover this reset mode of its undeformed or preliminary deformation, and be in second operating state, after this operation by the unlocking operation mechanism that will illustrate the back then makes first and second springs produce deformation respectively from this reset mode of its undeformed or preliminary deformation and saves up strength, become first operating state.By taking such bistable operation mode, can make the locking/unlocking action of position local device more easy, reliable.Here, need to prove that the execution mode that characterizes member, each location triggered member for each position is not limited to top illustrated concrete formation, also can take other formations or mode, the realization that this does not hinder the present invention to conceive substantially as required.
Trigger mechanism (is the spring 24 among Fig. 3 except movable push 1 described above and first spring, be called " first spring " below equally) also comprise a series of linkage components in addition, as Fig. 1, Fig. 2 and shown in Figure 3, comprising cramp 2, the slide plate 3 that has breach 3a, connecting rod 4, connecting rod 5, connecting rod 7, connecting rod 8, push rod 9 and connecting rod 18.Wherein, at least 2 linkage components for example cramp 2, the operation of slide plate 3 by the unlocking operation mechanism that will illustrate the back that have the breach 3a breach 3a that makes cramp 2 be buckled in slide plate 3 are in " interlocking " state, and this makes first and second springs be in the state of saving up strength respectively.The effect that rotates counterclockwise that is in the movable push 1 that the linkage component of " interlocking " state formerly illustrates cramp 2 down can skid off in the middle of the breach 3a and trip, and just causing trigger mechanism is second operating state from the change of first operating state.Like this, can make the instantaneous initiation of trigger mechanism is the trigger action of second operating state from the change of first operating state, improves its response speed.Here, in case causing trigger mechanism is the trigger action of second operating state from the change of first operating state, (be previously described spring 20 with second spring in the position locking mechanism, being called " second spring " below equally) locking bar 19 that connects just comprising first spring (being the spring 24 among Fig. 3), slide plate 3, connecting rod 7, connecting rod 8, and second spring that connecting rod 18 makes process save up strength under the drive of interior linkage component begins to remove the state that saves up strength, this makes locking bar 19 and cam 25 offset, and just removes the state that saves up strength of second spring when locking bar 19 enters into the recess 25a of the cam 25 that rotates with screw mandrel 22 fully.Like this, can limit the calibration that screw mandrel rotates thus, corresponding with this calibration limit the breaker body translation arrive separate, worst error that test, on-position may exist.Here, having at least one recess on the cam circumference, for example is 4 recess 25a among Fig. 7, and screw mandrel feed range corresponding between adjacent recesses just is 1/4 of a screw mandrel pitch, only is 0.44mm.Thereby, lock after can making the breaker body translation arrive more accurate position.Certainly, for example also can form 6 or 8 recess 25a on this cam circumference further limits this and holds abundant scope.Here, need to prove, be not limited to top illustrated concrete formation, also can take other formations or mode, the realization that this does not hinder the present invention to conceive substantially as required for the execution mode of each location triggered member, each position locking component.
The edge of location plate 12 described above forms to have 3 place's recesses and is in 2 place's protuberances in the middle of it, but also can be as required with the separating of breaker body, test, on-position in the middle of form on certain corresponding ad-hoc location in a few positions.Like this, any several position was carried out locking position in the middle of the user can select to separate, test, connect these 3 positions as required.In addition, screw mandrel 22 has and the corresponding feed range of breaker body shift motion.Like this, can make operating personnel only limit in the feed range of screw mandrel 22, breaker body be moved, in order to avoid super scope running circuit breaker body and damage circuit breaker.
The unlocking operation mechanism that the front is mentioned again and again comprises a rotating shaft 6, can by rotating operation drive trigger mechanism included comprise connecting rod 5, connecting rod 4, slide plate 3, connecting rod 7, connecting rod 8 and connecting rod 18 at interior linkage component, making trigger mechanism is first operating state from second operating state change.In addition, by connecting rod 18 drive locking bars 19 wherein, just can take such rotating shaft set-up mode to make the release action of position local device more easy, reliable.Here, need to prove, the member of execution mode decide to(for) each location triggered member, each position unlocking/locking is not limited to top illustrated concrete formation, also can take other formations or mode, the realization that this does not hinder the present invention to conceive substantially as required.
Here, position local device and breaker body all are arranged in the drawer type housing, screw mandrel 22 its blind holes that combine with operating parts that transmission mechanism is included and the rotating operation end 21 of rotating shaft 6 all are exposed to the positive side of drawer housing by the positive set hole of drawer housing, and drawer housing front is provided with the unlocked position of rotating operation end 21 of countershaft 6 and the sign of latched position.By this sign setting, can be convenient to operating personnel and understand circuit breaker and be in which kind of state in the locking/unlocking state.In addition, further comprise the wherein spiral indicating arm 33 of an end 33a and screw mandrel 22 interlocks, the other end that this spiral indicating arm 33 plays indicative function is exposed to the positive side of drawer housing by the positive set hole of drawer housing, and drawer housing front is provided with the sign to indicated separation, test and on-position of the indication end (not shown) of spiral indicating arm 33.By this sign setting, can be convenient to operating personnel and understand breaker body and be in separation, test, connect which kind of position in these 3 positions.Here, need to prove, be not limited to top illustrated concrete formation, also can take other formations or mode, the realization that this does not hinder the present invention to conceive substantially as required for the execution mode of each position indicating member.
As Fig. 1 and shown in Figure 6, be fixed with wherein a part on the included planker 23 of transmission mechanism and erect the bent plate 11 that is provided with, the included a series of linkage components of trigger mechanism wherein are combined with a push rod 9 at least one linkage component (being connecting rod 8), when the cramp 2 that is in " interlocking " state in the trigger mechanism is triped with having under the effect that rotates counterclockwise of slide plate 3 in movable push that lacks 3a, just causing trigger mechanism is second operating state from the change of first operating state, this makes push rod 9 form the bump to bent plate 11 under the drive of the linkage component (being connecting rod 8) of combination with it, produce the sound of an expression trigger action therefrom, will cause position locking mechanism to finish certain locking position action to the further operation of operating parts with alert.Like this, operating personnel can operate under the state with sound feedback more reliably, at this moment operating personnel shake handle finally by locking position as the handle that shakes of operating parts until this can continuing in minimum amplitude range (only in the 0.44mm scope) operation under the situation of sound prompting, can avoid moving excessive misoperation damage circuit breaker.Here, need to prove, be not limited to top illustrated concrete formation, also can take other formations or mode, the realization that this does not hinder the present invention to conceive substantially as required for the execution mode of each location triggered member, each driving member.
The operation principle of circuit breaker position locking device is described below with reference to Fig. 1～Fig. 5.As Fig. 1～shown in Figure 3, at this moment the cramp in the trigger mechanism 2 beyond the scarce 3a of slide plate 3, only be arranged in resetting of fixed support 14 and lack 14a, therefore the two is in " triping " state, push rod 9 and locking bar 19 all stretch to the left side under the drive of slide plate 3, connecting rod 7, connecting rod 8 (is the lever of fulcrum with axle 13) and connecting rod 18 (is the lever of fulcrum with axle 17), push rod 9 just can be because of bump bent plate 11 (with reference to Fig. 6) sends the sound like this, and locking bar 19 then offsets with cam 25.If operating personnel recognized this sound and shook handle slightly this moment, 19 of locking bars can enter the offset next recess 25a at position of cam 25, just completing place locking under the reset response of second spring 20.Fig. 3 represents that from another visual angle its major part of position local device shown in Figure 1 constitutes the state (being in second operating state) of this moment.The location plate 12 of this moment is collided at the end 1a of edge 12a and movable push 1 and is connect, and this shows that breaker body is locked at the place, separation point position.At this moment, operating personnel's desire operation is shaken handle and then must be rotated the rotating operation end 21 that combines with rotating shaft 6 release is moved in the direction of the clock with rotating shaft 6, like this under the induced effect of connecting rod 5, connecting rod 4, slide plate 3 is just with respect to fixed support 14 parallel moving right, enter and stay among the scarce 3a of slide plate 3 until cramp 2, and under the effect of first spring 24 and be in both states (with reference to Fig. 4) that " interlock " of cramp 2 and slide plate 3.As shown in Figure 4, at this moment push rod 9 and locking bar 19 all actions to the right under the drive of slide plate 3, connecting rod 7, connecting rod 8 (is the lever of fulcrum with axle 13) and connecting rod 18 (is the lever of fulcrum with axle 17), thereby locking bar 19 withdraws from the middle of the recess 22a of cam 22 and is in released state, also make second spring 20 that deformation takes place in the process that withdraws from, be reached for the effect that locking next time saves up strength.Because release, operating personnel can operate in the direction of the clock from present separation point position and shake handle like this, along with planker 23 moves outward, move to 12b (protuberance) (with reference to Fig. 5) from 12a with the collide position of the location plate 12 that connects of the end 1a of movable push 1.At this moment, Fig. 4 and action shown in Figure 5 all are in first operating state.Along with operating personnel to shaking the further operation of handle, planker 23 further moves outward, move to 12c (recess) (with reference to Fig. 5) with the collide position of the location plate 12 that connects of the end 1a of movable push 1 from 12b (protuberance), at this moment movable push 1a just connects from bumping to connect to become to bump with recess 12c with protuberance 12b, movable push 1 just rotates counterclockwise around fixed pivot axi 15 like this, and the other end 1b that this movable push that rotates counterclockwise 1 takes place just can touch cramp 2, after being skidded off in the middle of the scarce 3a of slide plate 3, cramp 2 drives slide plate 3 again, connecting rod 7, the action of connecting rod 8 (is the lever of fulcrum with axle 13) and connecting rod 18 (is the lever of fulcrum with axle 17) enters both " triping " states of cramp 2 and slide plate 3 once more.At this moment, push rod 9 and locking bar 19 all stretch to the left side again under the drive of slide plate 3, connecting rod 7, connecting rod 8 (is the lever of fulcrum with axle 13) and connecting rod 18 (is the lever of fulcrum with axle 17), push rod 9 just can be because of bump bent plate 11 (with reference to Fig. 6) sends the sound like this, and locking bar 19 then offsets with cam 25.If operating personnel recognized this sound and shook handle slightly this moment, 19 recess 25a that can under the reset response of second spring 20, enter cam 25 of locking bar, just completing place locking.The location plate 12 of this moment will be collided at the end 1a of edge indentations 12c (with reference to Fig. 5) and movable push 1 and be connect, this show breaker body at the test position place with locked.In like manner, through release and further clockwise operation shake handle, location plate 12 also can be collided at the end 1a of edge indentations 12d (with reference to Fig. 5) and movable push 1 and be connect, this show breaker body at the on-position place with locked.Though noted earlier all in the direction of the clock operating grip breaker body is moved by inside depth direction describe, in fact the operation principle that makes its locking position/release of situation that breaker body moves by outside depth direction by the counter clockwise direction operating grip is too.
Should be understood that above-mentioned explanation is the embodiment of the position local device of preferred embodiment circuit breaker of the present invention.One of skill in the art will recognize that can make other to it under the situation that does not deviate from essence of the present invention further changes and modification, so claimed all this variation and modifications in appended claim protection range of the present invention.
Claims (20)
1. the position local device of a circuit breaker comprises: a removable operating parts; One combines the transmission constraint mechanism of the body translation on the depth direction of described circuit breaker that is used to drive described circuit breaker with described operating parts; One combines the position that is used to characterize its shift position of described breaker body with described transmission constraint mechanism characterizes mechanism; Combine and be used for being in described position to characterize that at least one specific location triggers first state that mechanism characterized changes be the trigger mechanism of the second state This move in case one characterizes mechanism with described position; Is the second state This move carries out locking position to described transmission constraint mechanism position locking mechanism with described trigger mechanism from the change of first state; And to be used to make described trigger mechanism be first state and the unlocking operation mechanism that makes described position locking mechanism release from second state change, it is characterized in that, described position local device is in the below of described breaker body generally, and described transmission constraint mechanism has balanced transmission mechanism and constraint mechanism drives and retrain moving of described breaker body.
2. the position local device of circuit breaker as claimed in claim 1 is characterized in that,
Described transmission mechanism has one and combines the screw mandrel that plays gearing with described operating parts,
Described position locking mechanism comprises: one is fixed in the cam end, that have at least one recess that described screw mandrel combines with described operating parts; And one be the locking bar that second state moves, offsets with described cam with described trigger mechanism from first state change,
The recess that in a single day wherein said locking bar enters described cam is just finished the locking of described transmission mechanism.
3. the position local device of circuit breaker as claimed in claim 1, it is characterized in that, described position characterizes mechanism and comprises a location plate that is associated with described transmission mechanism, this location plate has a ups and downs edge, this edge has described at least one ad-hoc location, and described trigger mechanism comprises that one a small amount of movable push of rotating can take place around the pivot of its central part configuration, this movable push keeps bumping connecing by an end of described movable push and the described edge of described location plate under the effect of elastic-restoring force all the time, at described location plate during, remain and bump the described movable push that connects and a small amount of the rotation taken place with the concavo-convex fluctuating at the described edge of described location plate with described transmission mechanism generation translation.
4. the position local device of circuit breaker as claimed in claim 3, it is characterized in that, described trigger mechanism is second state from the change of first state, be to make in the described trigger mechanism through under the counter clockwise direction rotary action of described movable push, remove the process of its this reset mode of its undeformed or preliminary deformation of recovering state that saves up strength in first spring that saves up strength and the described position locking mechanism respectively through second spring that saves up strength, and described trigger mechanism is first state from second state change, is to make described first and second springs produce the process that deformation saves up strength respectively from this reset mode of its undeformed or preliminary deformation by the operation to described unlocking operation mechanism.
5. the position local device of circuit breaker as claimed in claim 4, it is characterized in that, described trigger mechanism also comprises a series of linkage components, wherein at least 2 linkage components are in the state of interlocking by the operation to described unlocking operation mechanism, this makes described first and second springs be in the state of saving up strength respectively, the linkage component that is in the state of interlocking is triped under the effect that rotates counterclockwise of described movable push, and causing described trigger mechanism is the trigger action of second state from the change of first state.
6. the position local device of circuit breaker as claimed in claim 5, it is characterized in that, in case causing described trigger mechanism is the trigger action of second state from the change of first state, the described locking bar that is connected with described second spring in the described position locking mechanism just makes under the drive of described linkage component through described second spring that saves up strength and begins to remove the state that saves up strength, this makes described locking bar and described cam offset, and just removes the state that saves up strength of described second spring when described locking bar enters into the recess of the described cam that rotates with described screw mandrel fully.
7. the position local device of a circuit breaker comprises: a removable operating parts; One combines the transmission mechanism of the body translation on the depth direction of described circuit breaker that is used to drive described circuit breaker with described operating parts; One combines the position that is used to characterize its shift position of described breaker body with described transmission mechanism characterizes mechanism; Combine and be used for being in described position to characterize that at least one specific location triggers first state that mechanism characterized changes be the trigger mechanism of the second state This move in case one characterizes mechanism with described position; Is the second state This move carries out locking position to described transmission mechanism position locking mechanism with described trigger mechanism from the change of first state; And to be used to make described trigger mechanism be first state and the unlocking operation mechanism that makes described position locking mechanism release from second state change, it is characterized in that,
Described transmission mechanism has one and combines the screw mandrel that plays gearing with described operating parts,
Described position locking mechanism comprises: one is fixed in the cam end, that have at least one recess that described screw mandrel combines with described operating parts; And one be the locking bar that second state moves, offsets with described cam with described trigger mechanism from first state change,
The recess that in a single day wherein said locking bar enters described cam is just finished the locking of described transmission mechanism.
8. the position local device of circuit breaker as claimed in claim 7, it is characterized in that, described position characterizes mechanism and comprises a location plate that is associated with described transmission mechanism, this location plate has a ups and downs edge, this edge has described at least one ad-hoc location, and described trigger mechanism comprises that one a small amount of movable push of rotating can take place around the pivot of its central part configuration, this movable push keeps bumping connecing by an end of described movable push and the described edge of described location plate under the effect of elastic-restoring force all the time, at described location plate during, remain and bump the described movable push that connects and a small amount of the rotation taken place with the concavo-convex fluctuating at the described edge of described location plate with described transmission mechanism generation translation.
9. the position local device of circuit breaker as claimed in claim 8, it is characterized in that, described trigger mechanism is second state from the change of first state, be to make in the described trigger mechanism through under the counter clockwise direction rotary action of described movable push, remove the process of its this reset mode of its undeformed or preliminary deformation of recovering state that saves up strength in first spring that saves up strength and the described position locking mechanism respectively through second spring that saves up strength, and described trigger mechanism is first state from second state change, is to make described first and second springs produce the process that deformation saves up strength respectively from this reset mode of its undeformed or preliminary deformation by the operation to described unlocking operation mechanism.
10. the position local device of circuit breaker as claimed in claim 9, it is characterized in that, described trigger mechanism also comprises a series of linkage components, wherein at least 2 linkage components are in the state of interlocking by the operation to described unlocking operation mechanism, this makes described first and second springs be in the state of saving up strength respectively, the linkage component that is in the state of interlocking is triped under the effect that rotates counterclockwise of described movable push, and causing described trigger mechanism is the trigger action of second state from the change of first state.
11. the position local device of circuit breaker as claimed in claim 10, it is characterized in that, in case causing described trigger mechanism is the trigger action of second state from the change of first state, the described locking bar that is connected with described second spring in the described position locking mechanism just makes under the drive of described linkage component through described second spring that saves up strength and begins to remove the state that saves up strength, this makes described locking bar and described cam offset, and just removes the state that saves up strength of described second spring when described locking bar enters into the recess of the described cam that rotates with described screw mandrel fully.
12. the position local device as each described circuit breaker in the claim 1～11 is characterized in that, described at least one ad-hoc location is with the separating of described breaker body, test, wherein at least one position is corresponding for on-position.
13. the position local device as each described circuit breaker in the claim 1～11 is characterized in that, described screw mandrel has and the corresponding feed range of described breaker body shift motion.
14. position local device as each described circuit breaker in the claim 1～11, it is characterized in that, described transmission mechanism also comprises except the screw mandrel that plays gearing: combine with described screw mandrel and along with in the symmetrically arranged first constraint guide rail of being rotated in of described screw mandrel on described depth direction the planker of sliding translation; Be meshed with the symmetrical rack hole that is provided with on the described planker respectively by the symmetrical sector gear that fixedly installs on it and drive the rotation pivot of its rotation; Symmetrically arranged clip in order to the described rotation pivot of rotatable constraint; And the second constraint guide rail of fixing with the two ends of described rotation pivot extension respectively, be used to keep described breaker body and described breaker body is provided with about translation on the described depth direction with the rotation of described rotation pivot, wherein be symmetrically arranged with the described planker of rack bore, the described rotation pivot that is symmetrically arranged with sector gear, described symmetrically arranged clip and described about the first and second constraint guide rails that are provided with, play the balanced transmission effect of contraction that peace treaty Shu Suoshu breaker body moves that drives.
15. the position local device of circuit breaker as claimed in claim 14, it is characterized in that, described position characterizes the included location plate of mechanism and is fixedly installed on the described planker, the edge of described location plate has 3 place's recesses and is in its 2 middle place's protuberances, no matter described location plate inwardly or is outwards pressed any depth direction translation, remain with described edge and to bump the included movable push one end of the described trigger mechanism that connects in case move to recess by the protuberance at described location plate edge, just causing described trigger mechanism is the trigger action of second state from first state change, 3 place's recesses of described location plate by inside depth direction successively corresponding to the separation of described breaker body, test and on-position.
16. position local device as each described circuit breaker in the claim 1～11, it is characterized in that described unlocking operation mechanism comprises one, and can to drive the included linkage component of described trigger mechanism by rotating operation, make described trigger mechanism be the rotating shaft of first state from the change of second state.
17. the position local device of circuit breaker as claimed in claim 16, it is characterized in that, described position local device and described breaker body all are arranged in the drawer type housing, its blind hole that combines with described operating parts of screw mandrel that described transmission mechanism is included and the rotating operation end of described rotating shaft all are exposed to the positive side of described drawer housing by the positive set hole of described drawer housing, and described drawer housing front is provided with the unlocked position of the rotating operation end of described rotating shaft and the sign of latched position.
18. the position local device of circuit breaker as claimed in claim 17, it is characterized in that, further comprise the wherein spiral indicating arm of an end and described screw mandrel interlock, the other end that described spiral indicating arm plays indicative function is exposed to the positive side of described drawer housing by the positive set hole of described drawer housing, and described drawer housing front is provided with the sign to the indicated separation in the indication end of described spiral indicating arm, test and on-position.
19. position local device as each described circuit breaker in the claim 1～11, it is characterized in that, be fixed with wherein a part on the included planker of described transmission mechanism and erect the bent plate that is provided with, the included a series of linkage components of described trigger mechanism wherein are combined with a push rod at least one linkage component, under the rotate counterclockwise effect of other linkage components that are in the state of interlocking in the described trigger mechanism, trip in movable push, just causing described trigger mechanism is the trigger action of second state from the change of first state, this makes described push rod form the bump to described bent plate under the drive of the described linkage component of combination with it, produce the sound of the described trigger action of an expression therefrom, will cause described position locking mechanism to finish certain locking position action to the further operation of described operating parts with alert.
20. the position local device as each described circuit breaker in the claim 1～11 is characterized in that, described operating parts is for shaking handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100893722A CN100377459C (en) | 2004-12-10 | 2004-12-10 | Position locking device for breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100893722A CN100377459C (en) | 2004-12-10 | 2004-12-10 | Position locking device for breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1787306A true CN1787306A (en) | 2006-06-14 |
| CN100377459C CN100377459C (en) | 2008-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100893722A Active CN100377459C (en) | 2004-12-10 | 2004-12-10 | Position locking device for breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100377459C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106537704A (en) * | 2014-06-16 | 2017-03-22 | 伊顿工业(荷兰)有限公司 | Retraction mechanism |
| CN110235324A (en) * | 2017-01-31 | 2019-09-13 | 三菱电机株式会社 | Breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2773648B1 (en) * | 1998-01-15 | 2000-03-10 | Schneider Electric Ind Sa | DEVICE FOR LOCKING A CONNECTING AND DISCONNECTING MECHANISM OF A CIRCUIT BREAKER |
| CN1268050C (en) * | 2001-04-23 | 2006-08-02 | 西门子公司 | Electric switch with a drive shaft and a blocking mechanism for blocking actuation of the drive shaft |
| CN2559087Y (en) * | 2002-03-26 | 2003-07-02 | 上海电器股份有限公司人民电器厂 | Drawer air-blast circuit breaker position locking and trip device |
| CN2571037Y (en) * | 2002-09-17 | 2003-09-03 | 常熟开关厂 | Locking apparatus for draw-off type breaker |
| CN2805164Y (en) * | 2004-12-10 | 2006-08-09 | 上海电器科学研究所（集团）有限公司 | Position locking device for circuit-breaker |
-
2004
- 2004-12-10 CN CNB2004100893722A patent/CN100377459C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106537704A (en) * | 2014-06-16 | 2017-03-22 | 伊顿工业(荷兰)有限公司 | Retraction mechanism |
| CN106537704B (en) * | 2014-06-16 | 2019-06-14 | 伊顿工业(荷兰)有限公司 | Telescoping mechanism |
| CN110235324A (en) * | 2017-01-31 | 2019-09-13 | 三菱电机株式会社 | Breaker |
| CN110235324B (en) * | 2017-01-31 | 2020-08-14 | 三菱电机株式会社 | Circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100377459C (en) | 2008-03-26 |
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Assignee: Jiangsu Luokai Mechanical and Electrical Manufacturing Group Co., Ltd. Assignor: Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd. Contract fulfillment period: 2008.4.30 to 2018.4.29 contract change Contract record no.: 2009320000006 Denomination of invention: Position locking device for breaker Granted publication date: 20080326 License type: Exclusive license Record date: 2009.1.16 |
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Assignee: Jiangsu Luokai Mechanical and Electrical Manufacturing Group Co., Ltd. Assignor: Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd. Contract fulfillment period: 2008.4.30 to 2018.4.29 contract change Contract record no.: 2009320000006 Denomination of invention: Position locking device for breaker Granted publication date: 20080326 License type: Exclusive license Record date: 2009.1.16 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.4.30 TO 2018.4.29; CHANGE OF CONTRACT Name of requester: JIANGSU LUOKAI ELECTROMECHANICAL MANUFACTURING GRO Effective date: 20090116 |
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Effective date of registration: 20090807 Address after: No. 505, Wuning Road, Shanghai Patentee after: Shanghai Electrical Apparatus Research Institute Co., Ltd. Address before: No. 505, Wuning Road, Shanghai Patentee before: Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd. |