CN103594296A - Switching-on/switching-off operating mechanism of circuit breaker - Google Patents
Switching-on/switching-off operating mechanism of circuit breaker Download PDFInfo
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- CN103594296A CN103594296A CN201310588178.8A CN201310588178A CN103594296A CN 103594296 A CN103594296 A CN 103594296A CN 201310588178 A CN201310588178 A CN 201310588178A CN 103594296 A CN103594296 A CN 103594296A
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- circuit breaker
- combined floodgate
- gathering sill
- handle
- switching
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Abstract
The invention discloses a switching-on/switching-off operating mechanism of a circuit breaker. A switching-on/switching-off transmission piece of the switching-on/switching-off operating mechanism of the circuit breaker comprises a rotary handle, a protruding part, a sliding handle and supporting pieces, wherein the rotary handle is connected to an output shaft of a motor and can rotate around the output shaft under driving of the motor, the protruding part is arranged on the rotary handle and can jointly rotate along with the rotary handle, the sliding handle can linearly slide along guiding grooves formed in the sliding handle under the effect of the protruding part, the supporting pieces are fixed on a fixing base and penetrate through the guiding grooves, and switching-on/switching-off operation of the circuit breaker is achieved when the sliding handle linearly slides along the guiding grooves. According to the switching-on/switching-off operating mechanism, a lever type structure is adopted to enable a gear transmission mode in the prior art to be changed into a lever linearly-sliding movement mode, the technical problem that an existing electric operating mechanism is high in part machining cost and part accuracy requirement and complex in structure is solved, and the switching-on/switching-off operating mechanism is particularly suitable for small re-switching-on circuit breakers.
Description
Technical field
The invention belongs to breaker technical field, particularly a kind of combined floodgate on/off operation mechanism of circuit breaker.
Background technology
Circuit breaker (English name: circuit-breaker; circuit breaker) refer to the electric current that can close, carry and cut-off under normal loop condition, and can close, in official hour, carry and cut-off the switching device of the electric current under abnormal loop condition (comprising short circuit condition).Circuit breaker can be used to distribute electric energy; do not start continually asynchronous motor; power circuit and motor etc. are carried out to protection; can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they; its function is equivalent to the combination of Fuse switch and mistake underheat relay etc., and after disjunction fault current, generally does not need to change parts.At present, obtain a wide range of applications.The operating mechanism that low-voltage circuit breaker is realized splitting or integrating lock is generally divided into manual-operating mechanism and motor-operating mechanism; in low-voltage circuit breaker far distance controlled field; general by motor-operating mechanism automatic brake separating and combined floodgate low-voltage circuit breaker, thus realize the protection to power circuit and motor.Motor-operating mechanism has two kinds, electric motor operating mechanism and operation electriomagnet mechanism, and motor-operating mechanism has advantages of that rotating speed can flexible, is many a kind of low-voltage circuit breaker motor-operating mechanisms of application at present.But when motor-operating mechanism breaks down, electric motor operating mechanism also needs to realize by manual-operating mechanism automatic brake separating and the combined floodgate of low-voltage circuit breaker, therefore, driving mechanism need to meet electric operating and manually operated function simultaneously.
In prior art, the engagement of many employing gears is transferred to the actuating force of motor on the handle of circuit breaker, thereby realize the combined floodgate sub-switching operation of circuit breaker, transmission by gear is applied to the actuating force of motor on the handle of circuit breaker, as Chinese patent literature CN102983016A discloses a kind of circuit breaker manual/electric integral operating mechanism, it comprise be arranged in circuit breaker, cover first, two fixed heads, the below of described the first fixed head is provided with mobilizable separating plate, one end of described separating plate is connected with the first fixed head by alignment pin, the other end arranges manual/auto transducer, on described separating plate, be provided with motor, on the main shaft of described motor, connect gear, described the second fixed head is arranged at a side of the first fixed head, on described the second fixed head, slide plate is set, the fixing tooth bar coordinating with gear on described slide plate, and described slide plate is in transmission connection by linkage part and operating grip.But employing gear transmission mode is higher to the required precision of part, complex structure, and part processing cost is high.
Chinese patent literature CN101577196A discloses a kind of electric control switch-on operating mechanism of miniature circuit breaker, comprise: a housing, a motor being fixed on housing, a shifting block being fixed on machine shaft, a lever, its run-on point is connected on housing, a pull bar, its one end is connected on lever, an arm-tie that is connected in the pull bar other end, this arm-tie is formed with the projected claw that can coordinate with small-size breaker handle, this invention is rotated by shifting block described in driven by motor, described lever is lifted, thereby pull the described projected claw of described arm-tie to pull circuit breaker handle, this mechanism causes that by lifting one end of described lever the pull bar that is fixed on its medium position rises, needed active force is larger, the being quick on the draw property of mechanism is lower, and, owing to needing to lift pull bar by lever in operating process, whole operating mechanism is had relatively high expectations to longitudinal space, and part is more, operating structure is installed comparatively complicated.
Summary of the invention
For this reason, technical problem to be solved by this invention is, overcome the technical problem that breaker switching-on operation agency cost of the prior art is higher and structure is comparatively loaded down with trivial details, provide a kind of simple in structure, the combined floodgate on/off operation mechanism of conserve space, the reliable circuit breaker of mechanical structure.
For solving the problems of the technologies described above, the invention provides a kind of combined floodgate sub-switching operation structure of circuit breaker, comprising:
Controller, for exporting the instruction of combined floodgate/sub-switching operation;
Motor, rotates after receiving combined floodgate/sub-switching operation instruction that described controller sends;
Combined floodgate/separating brake driving member is realized the combined floodgate/sub-switching operation of circuit breaker under the drive of described electric machine rotation;
Sensitive switch, when pressurized disconnects normally closed point, gives described controller signals, makes described controller control the power supply that cuts off motor, so that described motor stop motion; And
Holder, for installing described motor, described combined floodgate/on/off operation mechanism and described sensitive switch;
Described combined floodgate/separating brake driving member comprise be connected in described motor output shaft and can be under the drive of described motor around the swing handle of described output shaft rotation, be arranged on the slip handle of the lug boss that can together rotate with described swing handle on described swing handle, the gathering sill linear slide that can arrange along himself under described lug boss effect, and being fixed on the strutting piece that also passes described gathering sill on described holder, described slip handle is realized the combined floodgate/sub-switching operation of circuit breaker when along described gathering sill linear slide by the circuit breaker handle connecting portion of its setting.
Described swing handle comprise with the coaxial connecting portion being connected of output shaft of described motor and with the integrated actuation part of described connecting portion, described lug boss is molded in described actuation part.
Described actuation part is between described slip handle and described holder.
On described slip handle, be provided with U-shaped opening, and described U-shaped opening is longer near the length of side length of side relative and opposite side of described circuit breaker handle one side, described boss is in the inside of described U-shaped opening.
On the described output shaft of described motor, be socketed with idle pulley and described connecting portion, described output shaft, described idle pulley and described connecting portion are fixed by passing across the spring pivot of its concentric shafts, on described idle pulley, be provided with the hole coaxial with described output shaft, described hole is used for installing manual operational unit.
The cross section in described hole is regular hexagon.
Described gathering sill comprises two the first gathering sills that be arranged in parallel and the second gathering sill, and described the first gathering sill in position near described output shaft, and is less than described the second gathering sill compared to described the second gathering sill in length.
Described the first gathering sill equates with described the second gathering sill width.
Described strutting piece is three, comprises the first column being arranged in described the first gathering sill, is arranged on the second column and the 3rd column in described the second gathering sill.
The line of described the first column, described the second column and described the 3rd column forms right-angled triangle.
Described the first column and/or described the second column and/or described the 3rd column comprise column upper-part and column lower component, described column upper-part diameter is less than the width of described gathering sill, described column lower component diameter is greater than the width of described gathering sill, and described column upper-part passes described gathering sill and described slip handle is supported in described column lower component.
On described column upper-part, be socketed with packing ring, the diameter of described packing ring is greater than the width of described gathering sill, and described packing ring is fitted and is fixed on described slip handle by jump ring.
Described combined floodgate/separating brake driving member also comprises the sensitive switch touch part being connected with described slip handle, and be arranged on the guide rail on described holder, described sensitive switch touch part is positioned at described guide rail, described sensitive switch touch part is when described slip handle linear slide realizes the combined floodgate/sub-switching operation of circuit breaker, along described guide rail, slide, and then contact with described sensitive switch/separated, so that described sensitive switch gives described controller signals, impel described controller to cut off/connect the power supply of described motor.
Described guide rail and described gathering sill be arranged in parallel.
Described sensitive switch touch part comprises the first blocking arm and the second blocking arm that is arranged on described slip handle lateral edge, described the second blocking arm and described the second blocking arm form fluting, described sensitive switch is fixed on described holder, and some is positioned at described fluting, when described slip handle linear slide realizes the combined floodgate/sub-switching operation of circuit breaker, the contact of described the second blocking arm and described sensitive switch contact/separated.
On described holder, be provided with for limiting the limit shaft of the described swing handle anglec of rotation.
Between described sensitive switch and described holder, be provided with insulation cushion.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) the described swing handle of combined floodgate on/off operation mechanism of the present invention is connected in the output shaft of described motor and can under the drive of described motor, around described output shaft, rotates, on described swing handle, be provided with the lug boss that can together rotate with described swing handle, and the gathering sill linear slide that makes described slip handle to arrange along himself under described lug boss effect, make the handle embedding wherein complete combined floodgate/sub-switching operation, effectively described swing handle is converted to the power that moves horizontally along described gathering sill direction along the thrust of described motor output shaft, motor is rotatablely moved and becomes the rectilinear motion of slip handle, sensitivity is higher, and overall structure is comparatively compact, save taking up room of operating mechanism, mechanical structure processing is simple, cost is low, the stability of operating mechanism is strong.
(2) combined floodgate on/off operation mechanism of the present invention, described swing handle comprise with the coaxial connecting portion being connected of output shaft of described motor and with the integrated actuation part of described connecting portion, described lug boss is molded in described actuation part; Described actuation part is between described slip handle and described holder.During described output shaft rotation, drive connecting portion rotation, and then make described actuation part rotation, realized sensitive operation, and described actuation part more simplifies mechanism between described slip handle and described holder.
(3) on the described slip handle of combined floodgate on/off operation mechanism of the present invention, be provided with U-shaped opening, described lug boss embeds the inside of described U-shaped opening, and described U-shaped opening near the length of side of one end of described circuit breaker handle relatively and opposite side longer, thereby make described swing handle can not detach due to the relative displacement of described lug boss and described U-shaped opening described U-shaped opening when rotation promotes described slip handle away from described motor output shaft, further guaranteed the operation stability of operating mechanism.
(4) on the described output shaft of the described motor of combined floodgate on/off operation mechanism of the present invention, be socketed with the described connecting portion of idle pulley and described swing handle, and fix by passing across the spring pivot of its concentric shafts, on described idle pulley, be provided with the hole coaxial with described output shaft, described hole is used for installing manual operational unit, thereby make described idle pulley, the described connecting portion of described swing handle and the output shaft of described motor are fixed as an integral body firmly, when the described idle pulley of rotation, thereby just can drive described swing handle rotation to carry out manual operation, simple in structure.
(5) the described gathering sill of combined floodgate on/off operation mechanism of the present invention comprises two the first gathering sills that be arranged in parallel and the second gathering sill, described the first gathering sill compared to described the second gathering sill in position near described output shaft, and in length, be less than described the second gathering sill, and described U-shaped fluting is arranged to the position that described the first gathering sill and described the second gathering sill exist length difference, rationally distributed, be conducive to reduce the volume of described slip handle, thereby further reduce circuit breaker volume, simple in structure, and described the first gathering sill equates with described the second gathering sill width, can use described packing ring and the described jump ring of same size to be fixed, thereby be convenient to batch production and the fitting operation of product.
(6) the described strutting piece of combined floodgate on/off operation mechanism of the present invention is three, comprise the first column being arranged in described the first gathering sill, be arranged on the second column and the 3rd column in described the second gathering sill, and described the first column and/or described the second column and/or described the 3rd column comprise column upper-part and column lower component, described column upper-part diameter is less than the width of described gathering sill, described column lower component diameter is greater than the width of described gathering sill, described column upper-part passes described gathering sill and described slip handle is supported in described column lower component, by three columns are set, can be at the plane institution movement that supports described slip handle, make it can run-off the straight time, frictional resistance while reducing described slip handle with the relative linear slide of described column.
(7) the described sensitive switch touch part of combined floodgate on/off operation mechanism of the present invention comprises the first blocking arm and the second blocking arm that is arranged on described slip handle lateral edge, described the second blocking arm and described the second blocking arm form fluting, described sensitive switch is fixed on described holder, and some is positioned at described fluting, when described slip handle linear slide realizes the combined floodgate/sub-switching operation of circuit breaker, the contact contact of described the second blocking arm and described sensitive switch/separated, by the design of described fluting and described sensitive switch is placed in described fluting, further saved space, contribute to reduce circuit breaker volume, reduce material consumption simultaneously.
(8) on the described holder of combined floodgate on/off operation mechanism of the present invention, be provided with for limiting the limit shaft of the described swing handle anglec of rotation, thereby while making described swing handle rotate to described axle limit shaft, can not continue rotation, motor can not be rotated further, thereby avoid described swing handle because the anglec of rotation is excessive, to depart from described U-shaped opening, thereby guarantee the stable operation of described operating mechanism.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the combined floodgate on/off operation mechanism three-dimensional view of circuit breaker of the present invention;
Fig. 2 is the combined floodgate on/off operation mechanism vertical view of circuit breaker of the present invention;
Fig. 3 is the combined floodgate on/off operation mechanism end view of circuit breaker of the present invention;
Fig. 4 is the insert schematic diagram of the combined floodgate on/off operation mechanism of circuit breaker of the present invention;
Fig. 5 is the assembling schematic diagram of swing handle, spring pivot and idle pulley of the combined floodgate on/off operation mechanism of circuit breaker of the present invention;
Fig. 6 is the motor schematic diagram of the combined floodgate on/off operation mechanism of circuit breaker of the present invention;
Fig. 7 is the holder schematic diagram of the combined floodgate on/off operation mechanism of circuit breaker of the present invention;
Fig. 8 is the combined floodgate on/off operation mechanism "on" position schematic diagram of circuit breaker of the present invention;
Fig. 9 is the combined floodgate on/off operation mechanism gate-dividing state schematic diagram of circuit breaker of the present invention;
In figure, Reference numeral is expressed as: 1-motor, 2-combined floodgate/separating brake driving member, 21-swing handle, 212-connecting portion, 213-actuation part, 211-lug boss, 22-slip handle, 22a-the first blocking arm, 22b-the second blocking arm, 22c-fluting, 221-gathering sill, 221a-the first gathering sill, 221b-the second gathering sill, 222-U shape opening, 23-strutting piece, 231-the first column, 232-the second column, 233-the 3rd column, 23a-column upper-part, 23b-column lower component, 3-sensitive switch, 4-holder, 41-guide rail, 5-screw, 6-jump ring, 7-packing ring, 8-circuit breaker handle connecting portion, 9-limit shaft, 10-idle pulley, 11-insert, 12-hole.
Embodiment
Below in conjunction with specific embodiment, the combined floodgate on/off operation mechanism of a kind of circuit breaker of the present invention is specifically described:
As shown in Figures 1 and 2, a kind of combined floodgate sub-switching operation structure of circuit breaker, comprising: controller, for exporting the instruction of combined floodgate/sub-switching operation; Motor 1, rotates after receiving combined floodgate/sub-switching operation instruction that described controller sends; Combined floodgate/separating brake driving member 2 is realized the combined floodgate/sub-switching operation of circuit breaker under the drive of described electric machine rotation; Sensitive switch 3, the normally closed point of pressurized disconnects, and gives and described controller signals, and described controller is controlled the power supply that cuts off described motor, motor stop motion; And holder 4, for described motor, described combined floodgate/on/off operation mechanism and described sensitive switch are installed.Wherein, described motor 1 is fixed on described holder 4 by screw 5, its output shaft stretches out through a circular open of described fixed head 4, described combined floodgate/separating brake driving member 2 comprise be connected in described motor 1 output shaft and can be under the drive of described motor 4 around the swing handle 21 of described output shaft rotation, be arranged on the lug boss 211 that can together rotate with described swing handle 21 on described swing handle 21, the slip handle 22 of gathering sill 221 linear slide that can arrange along himself under described lug boss 211 effects, and be fixed on described holder 4 and through the strutting piece 23 of described gathering sill 221, described slip handle 22 is realized the combined floodgate/sub-switching operation of circuit breaker when along described gathering sill 221 linear slide.
The combined floodgate sub-switching operation structure of the above-mentioned circuit breaker that the present embodiment provides, effectively the thrust of the output shaft along described motor 1 of described swing handle 21 is converted to along the power that moves horizontally of described gathering sill 221 directions, motor 1 is rotatablely moved and becomes the rectilinear motion of slip handle 22, sensitivity is higher, and overall structure is comparatively compact, and the stability of operating mechanism is strong.
It should be noted that, in the present embodiment, described lug boss 211 is a cylindrical structure, can be arranged to as required different structures, as adopt spherical structure, make swing handle 21 when can transmitting the motive force of described motor 1, the frictional resistance between reduction and described slip handle 22.
In the present embodiment, in order to make mechanism compact, described holder 4 is a flat board, described slip handle 22 is arranged on described holder 4 by strutting piece, the part being arranged on described holder 4 of described slip handle 22 is plate-like structure, on described slip handle 22, circuit breaker handle connecting portion 8 is set, described circuit breaker handle connecting portion 8 is provided with a fluting for entangling the handle of circuit breaker, when described slip handle 22 moves under the effect of described lug boss 211, described circuit breaker handle connecting portion 8 drives circuit breaker handle to complete combined floodgate/sub-switching operation.
In the present embodiment, as shown in Figure 5, described swing handle 21 along its length axisymmetricly, described swing handle 21 comprise with the coaxial connecting portion being connected 212 of output shaft of described motor 1 and with the integrated actuation part 213 of described connecting portion 212, described lug boss 211 is molded in described actuation part 213, and described actuation part 213 is between described slip handle 22 and described holder 4.
In the present embodiment, on described slip handle 22, be provided with U-shaped opening 222, described lug boss 211 is positioned at the inside of described U-shaped opening 222, again because described actuation part 213 is between described slip handle 22 and described holder 4, described lug boss 211 stretches out in described U-shaped opening 222, when described motor 1 rotates, the sidewall contact of described lug boss 211 and described U-shaped opening 222, and then promote described slip handle 22 actions.In the present embodiment, the length of the sidewall of the close circuit breaker handle of described U-shaped opening 222 is greater than the length of another sidewall, thereby in the time of can effectively guaranteeing the inwall generation relative sliding of described lug boss 211 and described U-shaped opening 222, described lug boss 211 can not detach described U-shaped opening 222.
In the present embodiment, in order to improve the stability of described slip handle 22 on described holder 4, described gathering sill 221 comprises two the first gathering sill 221a that be arranged in parallel and the second gathering sill 221b, described the first gathering sill 221a compared to described the second gathering sill 221b in position near described output shaft, and in length, be less than described the second gathering sill 212b, described the first gathering sill 221a and described the second gathering sill 212b are near a side alignment of described circuit breaker handle connecting portion 8, described U-shaped opening 222 is arranged on the position that described the first gathering sill 221a and described the second gathering sill 212b opposite side exist length difference, thereby better conserve space, reduce small product size, correspondingly, in the present embodiment, described strutting piece 23 is fixedly mounted on described holder 4, described strutting piece 23 is three, as shown in Figure 7, comprise the first column 231 being arranged in described the first gathering sill 221a, be arranged on the second column 232 and the 3rd column 233 in described the second gathering sill 211b, the planar configuration that is arranged on described slip handle 22 of three columns keeps in the situation of balance, reduce described slip handle 22 and three columns frictional resistance when there is relative sliding as far as possible, make mechanism sensitiveer.
Further, in the present embodiment, described the first gathering sill 221a equates with described the second gathering sill 221b width, described the first column 231, the structure of the second column 232 and the 3rd column 233 is identical, described the first column 231, described the second column 232 and described the 3rd column 233 comprise respectively column upper-part 23a and column lower component 23b, the diameter of described column upper-part 23a is less than the width of described gathering sill 221, the diameter of described column lower component 23b is greater than the width of described gathering sill 221, thereby described column upper-part 23a passes described gathering sill 221 and described slip handle 22 is supported on described column lower component 23b.On described column upper-part 23a, be socketed with packing ring 7, the diameter of described packing ring 7 is greater than the width of described gathering sill 221, and described packing ring 7 is fixed on described slip handle 22 by described jump ring 6 laminatings.As depicted in figs. 1 and 2, the line of described the first column 231, described the second column 232 and described the 3rd column 233 forms right-angled triangle, in addition the supporting role of described actuation part 213, the plate-like structure of described slip handle 22 has been subject to the support force of balance, and described slip handle 22 is more stable on described holder 4.
In the present embodiment, in order to realize manual and electronic exchange, on the described output shaft of described motor 1, be socketed with idle pulley 10 and described connecting portion 212, as shown in Figure 1 and Figure 6, the output shaft of described motor 1, described idle pulley 10 and described connecting portion 212 are fixed as one by the described insert 11 through its concentric shafts, in the present embodiment, described insert is elastic cylindrical pin, as shown in Figure 4, and on described idle pulley 10, be provided with the hole 12 coaxial with described output shaft, described hole 12 is for installing manual operational unit.In the present embodiment, the cross section in described hole 12 is regular hexagon, and this kind of structure is convenient to install manual operational unit, and can guarantee the connectivity robustness in manual operational unit and described hole 12.
In the present embodiment, in order to complete combined floodgate/sub-switching operation Hou Dui mechanism at described circuit breaker, control, described combined floodgate/separating brake driving member 2 also comprises the sensitive switch touch part being connected with described slip handle 22, and be arranged on the guide rail 41 on described holder 4, described sensitive switch touch part comprises the first blocking arm 22a and the second blocking arm 22b that is arranged on described slip handle 22 lateral edge, described the second blocking arm 22a and described the second blocking arm 22b form fluting 22c, described sensitive switch 3 is fixed on described holder 4, and some is positioned at described fluting 22c, described the second blocking arm 22a and described the second blocking arm 22b are positioned at described guide rail 41, when described slip handle 22 linear slide realize the combined floodgate/sub-switching operation of circuit breaker, described the second blocking arm 22a and described the second blocking arm 22b slide along described guide rail 41, and then contact with the contact of described sensitive switch 3/separated, so that described sensitive switch 3 gives described controller signals, impel described controller to cut off/connect the power supply of described motor 1.Because described guide rail 41 be arranged in parallel with described gathering sill 221, described the second blocking arm 22a and described the second blocking arm 22b are positioned at again described guide rail 41, described the second blocking arm 22a and described the second blocking arm 22b can be along described guide rail 41 linear slide under the drive of described slip handle 22, press the contact of described sensitive switch 3, thereby give described controller signals, cut off motor power, and sensitive switch 3 is positioned at the middle part of described slip handle 22, be conducive to further conserve space, reduce small product size.
Between described sensitive switch 3 and described holder 4, be provided with insulation cushion.
In the present embodiment, as shown in Figure 3, on described holder 4, be provided with for limiting the limit shaft 9 of described swing handle 21 anglecs of rotation.Described limit shaft 9 makes described swing handle revolve 21 can not continue rotation while forwarding described limit shaft 9 place to, described motor 1 can not be rotated further, thereby avoid causing because described swing handle 21 anglecs of rotation are excessive described lug boss 211 to depart from the generation of described U-shaped opening 222 situations, and then guarantee the stable operation of described operating mechanism.
Describe the electric operating process of the described breaker closing/on/off operation mechanism of the present embodiment below in detail:
Before circuit-breaker switching on-off, must allow circuit breaker detain again, to separating brake direction moving handle, could normally carry out divide-shut brake.Circuit breaker is in vibration or without reason after separating brake, be that described breaker closing/on/off operation mechanism is in gate-dividing state, as shown in Figure 9, controller detects product separating brake model, described controller sends instruction to described motor 1, described motor 1 turns clockwise, drive co-axially fixed described swing handle 21 rotations of output shaft with described motor 1, lug boss 211 on described swing handle 21 also can rotate by the output shaft around described motor 1 with described swing handle 21, because described lug boss 211 is enclosed within the described U-shaped opening 222 of described slip handle 22, thereby described lug boss 211 can apply a thrust to the inwall of described U-shaped opening 222, promote described slip handle 22 along the direction rectilinear motion of the described gathering sill 221 arranging on described slip handle 22, meanwhile, rectilinear motion due to described slip handle 22, the described second blocking arm 22b of its lateral edge is slided along described guide rail 41, and then contact with the contact of described sensitive switch 3, described contact pressurized, be that circuit breaker is anchored to position again, send a signal to described controller, described controller is controlled the power supply that cuts off described motor 1, described motor 1 stops operating.Then controller sends instruction again, described motor 1 is rotated counterclockwise and drives described swing handle 21 rotations, and circuit breaker handle connecting portion 8 motions that described lug boss 211 promotes described slip handle 22 are closed a floodgate product, as shown in Figure 8, described controller detects switching signal, and described motor 1 quits work.
When circuit breaker need to be realized sub-switching operation, utilize the above-mentioned combined floodgate on/off operation mechanism of the present embodiment can realize sub-switching operation, separating brake process and the above-mentioned making process of operating mechanism are similar, at this, do not repeat.
Describe the manual operation process of the described breaker closing/on/off operation mechanism of the present embodiment below in detail:
When electric operating breaks down or overhauls, need to adopt close a floodgate/sub-switching operation of manual operation, because the output shaft of described motor 1 is coaxially fixed together by described spring pivot and described idle pulley 10 and described swing handle 21, in adopting, hexagonal handle is inserted in the interior rotation in described hole 12 while carrying out manual operation, the stressed rotation of described idle pulley 10, drive described swing handle 21 rotations, thereby the described U-shaped opening 222 that described lug boss 211 promotes described slip handle 22 makes described slip handle 22 rectilinear motions, thereby drive described circuit breaker handle connecting portion 8 to pull circuit breaker handle and realize combined floodgate.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And the apparent variation of being extended out thus or change are still among the protection range in the invention.
Claims (17)
1. a combined floodgate sub-switching operation structure for circuit breaker, comprising:
Controller, for exporting the instruction of combined floodgate/sub-switching operation;
Motor (1), rotates after receiving combined floodgate/sub-switching operation instruction that described controller sends;
Combined floodgate/separating brake driving member (2) is realized the combined floodgate/sub-switching operation of circuit breaker under the drive of described electric machine rotation;
Sensitive switch (3), when pressurized disconnects normally closed point, gives described controller signals, makes described controller control the power supply that cuts off motor (1), so that described motor (1) stop motion; And
Holder (4), for installing described motor, described combined floodgate/on/off operation mechanism and described sensitive switch;
It is characterized in that: described combined floodgate/separating brake driving member (2) comprise be connected in described motor (1) output shaft and can be under the drive of described motor (4) around the swing handle (21) of described output shaft rotation, be arranged on the lug boss (211) that can together rotate with described swing handle (21) on described swing handle (21), the slip handle (22) of gathering sill (221) linear slide that can arrange along himself under described lug boss (211) effect, and be fixed on the strutting piece (23) that described gathering sill (221) were gone up and passed to described holder (4), described slip handle (22) circuit breaker handle connecting portion (8) by its setting when along described gathering sill (221) linear slide drives circuit breaker handle to realize the combined floodgate/sub-switching operation of circuit breaker.
2. breaker closing on/off operation mechanism according to claim 1, it is characterized in that: described swing handle (21) comprise with the coaxial connecting portion being connected of output shaft (212) of described motor (1) and with the integrated actuation part of described connecting portion (212) (213), described lug boss (211) is molded in described actuation part (213).
3. breaker closing on/off operation mechanism according to claim 2, is characterized in that: described actuation part (213) is positioned between described slip handle (22) and described holder (4).
4. according to the breaker closing on/off operation mechanism described in any one in claim 1-3, it is characterized in that: on described slip handle (22), be provided with U-shaped opening (222), and described U-shaped opening (222) is longer near the length of side length of side relative and opposite side of described circuit breaker handle one side, and described lug boss (211) is positioned at the inside of described U-shaped opening (222).
5. according to the combined floodgate sub-switching operation structure of the circuit breaker described in any one in claim 1-4, it is characterized in that: on the described output shaft of described motor (1), be socketed with idle pulley (10) and described connecting portion (212), described output shaft, described idle pulley (10) and described connecting portion (212) are fixed by passing across the insert (11) of its concentric shafts, on described idle pulley (10), be provided with the hole coaxial with described output shaft, described hole (12) are for installing manual operational unit.
6. the combined floodgate sub-switching operation structure of circuit breaker according to claim 5, is characterized in that: the cross section of described hole (12) is regular hexagon, and described insert (11) is elastic cylindrical pin.
7. according to the combined floodgate sub-switching operation structure of the circuit breaker described in any one in claim 1-6, it is characterized in that: described gathering sill (221) comprises two the first gathering sills (221a) that be arranged in parallel and the second gathering sill (221b), described the first gathering sill (221a) in position near described output shaft, and is less than described the second gathering sill (221b) compared to described the second gathering sill (221b) in length.
8. the combined floodgate sub-switching operation structure of circuit breaker according to claim 7, is characterized in that: described the first gathering sill (221a) equates with described the second gathering sill (221b) width.
9. according to the combined floodgate sub-switching operation structure of the circuit breaker described in claim 7 or 8, it is characterized in that: described strutting piece (23) is three, comprise the first column (231) being arranged in described the first gathering sill (221a), be arranged on the second column (232) and the 3rd column (233) in described the second gathering sill (211b).
10. the combined floodgate sub-switching operation structure of circuit breaker according to claim 9, is characterized in that: the line of described the first column (231), described the second column (232) and described the 3rd column (233) forms right-angled triangle.
11. according to the combined floodgate sub-switching operation structure of the circuit breaker described in claim 9 or 10, it is characterized in that: described the first column (231) and/or described the second column (232) and/or described the 3rd column (233) comprise column upper-part (23a) and column lower component (23b), described column upper-part (23a) diameter is less than the width of described gathering sill (221), described column lower component (23b) diameter is greater than the width of described gathering sill (221), described column upper-part (23a) passes described gathering sill (221) and described slip handle (22) is supported in described column lower component (23b).
The combined floodgate sub-switching operation structure of 12. circuit breakers according to claim 11, it is characterized in that: on described column upper-part (23a), be socketed with packing ring (7), the diameter of described packing ring (7) is greater than the width of described gathering sill (221), and described packing ring (7) is fixed on described slip handle (22) by jump ring (6) laminating.
13. according to the breaker closing on/off operation mechanism described in any one in claim 1-12, it is characterized in that: described combined floodgate/separating brake driving member (2) also comprises the sensitive switch touch part being connected with described slip handle (22), and be arranged on the guide rail (41) on described holder (4), described sensitive switch touch part is positioned at described guide rail (41), described sensitive switch touch part is when described slip handle (22) linear slide realizes the combined floodgate/sub-switching operation of circuit breaker, along described guide rail (41), slide, and then with described sensitive switch (3) contact/separated, so that described sensitive switch (3) gives described controller signals, impel described controller to cut off/connect the power supply of described motor (1).
14. breaker closing on/off operation mechanisms according to claim 13, is characterized in that: it is characterized in that: described guide rail (41) be arranged in parallel with described gathering sill (221).
15. according to the combined floodgate sub-switching operation structure of the circuit breaker described in claim 13 or 14, it is characterized in that: described sensitive switch touch part comprises the first blocking arm (22a) and the second blocking arm (22b) that is arranged on described slip handle (22) lateral edge, described the first blocking arm (22a) and described the second blocking arm (22b) form fluting (22c), described sensitive switch (3) is fixed on described holder (4), and some is positioned at described fluting (22c), when described slip handle (22) linear slide realizes the combined floodgate/sub-switching operation of circuit breaker, the contact contact of described the second blocking arm (22b) and described sensitive switch (3)/separated.
16. according to the combined floodgate sub-switching operation structure of the circuit breaker described in any one in claim 1-15, it is characterized in that: on described holder (4), be provided with for limiting the limit shaft (9) of described swing handle (21) anglec of rotation.
17. according to the combined floodgate sub-switching operation structure of the circuit breaker described in any one in claim 1-16, it is characterized in that: between described sensitive switch (3) and described holder (4), be provided with insulation cushion.
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| CN201310588178.8A CN103594296B (en) | 2013-11-21 | 2013-11-21 | A kind of combined floodgate on/off operation mechanism of circuit breaker |
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| CN201310588178.8A CN103594296B (en) | 2013-11-21 | 2013-11-21 | A kind of combined floodgate on/off operation mechanism of circuit breaker |
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| CN103594296A true CN103594296A (en) | 2014-02-19 |
| CN103594296B CN103594296B (en) | 2015-12-02 |
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| CN201310588178.8A Active CN103594296B (en) | 2013-11-21 | 2013-11-21 | A kind of combined floodgate on/off operation mechanism of circuit breaker |
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| CN109143057A (en) * | 2016-07-28 | 2019-01-04 | 国网江苏省电力公司常州供电公司 | GIS device disconnecting link vibrates online repair system |
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| CN103594296B (en) | 2015-12-02 |
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Address after: Twenty Road, Yueqing Economic Development Zone in Zhejiang province science and Technology Park 325600 Jubang Wei Wenzhou City Patentee after: JUBANG GROUP CO.,LTD. Address before: Twenty Road, Yueqing Economic Development Zone Jubang Wei Yueqing Science Park, 325600 Zhejiang city of Wenzhou Province Patentee before: JUBANG ELECTRIC Co.,Ltd. |
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Inventor after: Ye Xuanzhen Inventor after: Bo Guanyong Inventor after: Yu Shengcai Inventor after: Luo Guofu Inventor after: Yang Jianmin Inventor before: Ye Xuanzhen Inventor before: Bo Guanyong Inventor before: Yu Shengcai Inventor before: Luo Guofu Inventor before: Yang Jianmin |
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