CN203839316U - Operating mechanism used for automatic reclosing apparatus - Google Patents
Operating mechanism used for automatic reclosing apparatus Download PDFInfo
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- CN203839316U CN203839316U CN201420289163.1U CN201420289163U CN203839316U CN 203839316 U CN203839316 U CN 203839316U CN 201420289163 U CN201420289163 U CN 201420289163U CN 203839316 U CN203839316 U CN 203839316U
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Abstract
An operating mechanism used for an automatic reclosing apparatus comprises a switch pedestal, and a motor assembly, a transmission unit and an execution unit that are disposed on the switch pedestal. A motor drives the transmission unit. The transmission unit drives the execution unit to trigger a closing handle of a switch. The transmission unit includes a slide push block that can slide in a reciprocating and linear manner relative to the switch pedestal. The slide push block has a drive portion and an extension portion, wherein the drive portion is close to the execution unit and slides in a reciprocating and linear manner in the same direction as the slide push block, and the extension portion is connected with the drive portion and extends toward a direction that is away from the execution unit. The free end of the extension portion is connected with a swing arm which swings to drive the extension portion to slide in a reciprocating and linear manner. The swing arm is close to the motor assembly and is driven by the motor assembly. Through adoption of the extension portion, the motor can be away from a moving contact below the execution unit, so that the motor is prevented from being burnt by arcs generated during movement of the moving contact, the arcs are also prevented from being conducive through an iron housing of the motor, and the stability and reliability of the switch is improved.
Description
Technical field
The utility model relates to a kind of operating mechanism for auto recloser, belongs to the attachment technique field of low-voltage electrical apparatus.
Background technology
Auto recloser is a kind of automatics that the switch because of after fault tripping is dropped on demand automatically.Power system operation experience shows, the overhead transmission line overwhelming majority's fault is all " instantaneity ", and permanent fault is generally less than 10%.Therefore, after by relaying protection action excision short trouble, electric arc is by automatic distinguishing, and the insulation of short circuit place can recover automatically in most cases.Therefore, automatically switch is overlapped, not only improved the safety and reliability of power supply; reduced loss of outage; but also improved the transient state level of electric power system, and increased the power transmission capacity of high-tension line, also can correct the mistrip causing due to switch or protective relaying device.
At present, the operating mechanism of auto recloser is too too fat to move, increases the overall volume of switch, and the product size after increase operating mechanism is much larger than the size of Switch main body, to cabinet is installed, just have further requirement like this, volume increases and can increase the material cost of switch undoubtedly on the other hand.
For the problems referred to above, prior art is a kind of automatic reclosing operating mechanism as Chinese patent literature CN103413736A discloses, comprise base, motor, transmission mechanism and for the actuator of driving switch divide-shut brake, motor, transmission mechanism and actuator are arranged on described base, transmission mechanism comprises gear and the tooth bar meshing with gear, on the power transmission shaft of motor, be arranged with connector, the external tooth of connector and the engagement of the internal tooth of gear, power transmission shaft is arranged with spring outward, described spring is arranged between connector and motor, when needs electric operating, electric machine rotation, the connector being set on power transmission shaft also rotates thereupon, driven gear rotates, when needs manual operation, gear centre offers an interior hexagonal through hole, and hexagonal handle is inserted in interior hexagonal through hole, and the reaction force that overcomes spring is pressed lower connector, rotates hexagonal handle drives gear simultaneously.Gear rotates the upper and lower rectilinear motion of band carry-over bar, a side and slide block that tooth bar is anodontia are fixed with bolt arrangement, the other end of slide block is arranged on slide rail, slide rail is fixed on base, the middle part of slide block offers opening, switch lever is through opening, and when tooth bar rotates the upper and lower rectilinear motion of band movable slider, slide block is controlled switch lever combined floodgate, separating brake and buckled.
Yet, there is following problem in the prior art: 1. in the prior art in actual use, motor-driven gear rotates, wheel and rack engagement, a side and slide block that tooth bar is anodontia are fixed, in the opening of slide block, being suitable for switch lever passes, more than be arranged so that the installation site of motor basic with switch lever below moving contact on same straight line, the installation site of motor is too near apart from moving contact, when switch combined floodgate and separating brake, thereby the electric arc producing easily causes burn to cause switch to damage to motor, in addition, because the shell of motor is made of iron, the electric arc producing may conduct electricity by the shell of motor, thereby cause switch short circuit and initiation fire, 2. in the prior art, switch lever is through the opening of switch lever, at switch combined floodgate, separating brake and while detaining again, between slide block and switch lever, be to be rigidly connected, cause like this when assembling, even if there is deviation a little and also can reduce stability and the reliability of switch in position, even make switch lever not buckle again, thereby lost efficacy, in addition, rigidly connected mode can make serious wear between parts, and switch declines useful life, 3. in the prior art, during manual operation, operating personnel need the singlehanded elastic force that overcomes spring to press hexagonal handle, and operate with rotation hexagonal handle simultaneously, this kind is arranged so that operating personnel's operating difficulties, and, operating personnel are in rotating hexagonal handle process, as easy as rolling off a log appearance is because pressing force rebounds spring not, the situation that connector and gear mesh again, in this kind of situation, be rotated further hexagonal handle, will certainly cause damage to the parts of gear and cooperation thereof, thereby affect switch useful life.
Utility model content
Therefore, the technical problems to be solved in the utility model is that the motor range switch moving contact of automatic reclosing operating mechanism in prior art is too near, thereby easily cause short circuit and electric arc burn motor to cause switch to damage, the problem of fire even, thereby provide a kind of mounting position of motor reasonable, there will not be the operating mechanism for auto recloser of short circuit or electric arc burn motor.
Another technical problem to be solved in the utility model is that automatic reclosing operating mechanism in prior art drives between the slide block of switch lever and switch lever as being rigidly connected, thereby cause switch stability and reliability to reduce, even lost efficacy and useful life short problem, thereby provide a kind of, can improve switch stability and reliability, and the operating mechanism for auto recloser of long service life.
The technical problem that the utility model also will solve is in prior art that automatic reclosing operating mechanism is when manual operation, the problem of operating personnel's operating difficulties, thus provide a kind of manual operation simply for the operating mechanism of auto recloser.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of operating mechanism for auto recloser, comprise switch pedestal, and be installed on the electric machine assembly in described switch pedestal, gear unit and for the performance element of driving switch divide-shut brake, described electric machine assembly drives gear unit, gear unit drives the switch lever of performance element operating switch, described gear unit comprise can be relatively described the slip pushing block that slides of switch pedestal reciprocating linear, described slip pushing block has near described performance element and drives described performance element along the drive division sliding with slip pushing block equidirectional reciprocating linear and be connected described drive division and to the extension extending away from described performance element direction, the free end of described extension is connected with the swing arm sliding by extension reciprocating linear described in wobble drive, described swing arm is near described electric machine assembly and driven by described electric machine assembly.
In aforesaid operations mechanism, also comprise the fixed support being fixed in switch pedestal, on described fixed support, be fixedly installed and be arranged in described switch lever both sides, and extend along pulling the consistent direction of direction with described switch lever, for the slide rail of described slip pushing block and the slip of described performance element.
In aforesaid operations mechanism, described slide rail is two slide-bars that be arranged in parallel, forms and be suitable for the first slide opening that described in two, slide-bar slides through on the drive division of described slip pushing block, forms and be suitable for the second slide opening that described in two, slide-bar slides through on described performance element.
In aforesaid operations mechanism, the cross section of described slide-bar is circular, and described the first slide opening and described the second slide opening are the circular hole matching with described slide-bar.
In aforesaid operations mechanism, described performance element comprises being slidably arranged in described in both sides the portion of sliding on slide-bar and being fixedly connected on described in both sides and slides the clamping part between portion, and described clamping part middle part forms and is suitable for the opening that described switch lever passes.
In aforesaid operations mechanism, the drive division of described slip pushing block and described in slide and between portion, be connected with buffer spring.
In aforesaid operations mechanism, described drive division has the insertion end that slides portion inside described in extending into, in described insertion end, form and make its described first slide opening that can slide along described slide-bar reciprocating linear, described insertion end with described in the reciprocatingly slide two ends of direction of the portion of sliding by described buffer spring, be connected respectively.
In aforesaid operations mechanism, described clamping part is two transverse axis that be arranged in parallel, and the gap described in two between transverse axis is described opening.
In aforesaid operations mechanism, described electric machine assembly comprises motor, and the shaft-driven gear train of output that is subject to described motor.
In aforesaid operations mechanism, described gear train comprises and is subject to described motor-driven driving gear, and meshes and drive the driven gear of described swing arm with described driving gear.
In aforesaid operations mechanism, between the output shaft of described motor and described driving gear, be connected with and described motor be connected or separated arrangement of clutch with described driving gear; Described driven gear and described swing arm junction are provided with for manually operated interior polygonal through hole.
In aforesaid operations mechanism, described arrangement of clutch comprises the clutch part on the output shaft that is set in movably described motor, and between described clutch part and described output shaft, and the Compress Spring of clutch part described in contact, described clutch part has the external part stretching out from described driving gear, the fit structure that between the outer surface of described clutch part and the inner surface of described driving gear, moulding is meshed both.
In aforesaid operations mechanism, described fit structure comprises at least one boss that is molded over described clutch part outer surface, and is molded at least one groove that described driving gear inner surface coordinates with described boss.
In aforesaid operations mechanism, described fit structure comprises the external tooth that is molded over described clutch part outer surface, and the internal tooth coordinating with described external tooth that is molded over described driving gear inner surface.
In aforesaid operations mechanism, described gear train also comprises at least one transition gear being connected with a joggle between described driving gear and described driven gear.
In aforesaid operations mechanism, described transition gear is one.
In aforesaid operations mechanism, described swing arm promotes described slip pushing block reciprocating linear by sliding connection structure and slides when swinging.
In aforesaid operations mechanism, described sliding connection structure comprises and being molded on described slip pushing block, and the slide slot that bearing of trend is vertical with described slip pushing block glide direction, and be arranged on the surface of described swing arm and to described slide slot, extend to be inserted into the post that slides coordinating with described slide slot in described slide slot.
In aforesaid operations mechanism, described in to slide post be rolling bearing.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. operating mechanism of the present utility model, described gear unit comprise can be relatively described the slip pushing block that slides of switch pedestal reciprocating linear, described slip pushing block has near described performance element and drives described performance element along the drive division sliding with slip pushing block equidirectional reciprocating linear and be connected described drive division and to the extension extending away from described performance element direction, by the setting of the extension extending away from performance element on described slip pushing block and the swing arm being connected with the free end of described extension, make motor position of the present utility model away from described performance element, away from performance element away from the moving contact position that is positioned at performance element below, thereby the electric arc having produced while having prevented moving contact action causes burn to motor, also avoided the electric arc producing to conduct electricity by the iron shell of motor, the stability of switch and reliability improve.
2. operating mechanism of the present utility model, also comprise the fixed support being fixed in switch pedestal, on described fixed support, be fixedly installed and be arranged in described switch lever both sides, and extend along pulling the consistent direction of direction with described switch lever, slide rail for described slip pushing block and the slip of described performance element, it is more smooth and easy that this kind of symmetric slide rail arrangement moves operating mechanism when breaking-closing operating, works more stable.
3. operating mechanism of the present utility model, the drive division of described slip pushing block and described in slide and between portion, be connected with buffer spring, by the setting of described buffer spring, making to slide between drive division and the described performance element of pushing block is non-rigid connection, described buffer spring not only plays the effect of adjusting position deviation between the drive division of slip pushing block and performance element when breaking-closing operating, thereby make the to slide drive division of pushing block and the consistency of performance element when assembling do not need requirement high especially, and buffer spring can also reduce the drive division of slip pushing block and the wearing and tearing between performance element, further can reduce the wearing and tearing between performance element and switch lever, thereby improved the useful life of operating mechanism.
4. operating mechanism of the present utility model, described drive division has the insertion end that slides portion inside described in extending into, in described insertion end, form described the first slide opening that it can be slided along described slide-bar reciprocating linear, described insertion end with described in the reciprocatingly slide two ends of direction of the portion of sliding by described buffer spring, be connected respectively, insertion end is in the process of reciprocatingly sliding, capital is subject to the compression thrust of a side buffer spring and the stretching pulling force of opposite side buffer spring, the buffering effect of buffer spring is better, thereby it is more smooth and easy that operating mechanism is moved when breaking-closing operating, work more stable.
5. operating mechanism of the present utility model, described clamping part is the transverse axis that two opposing parallel arrange, gap described in two between transverse axis is described opening, switch lever is sandwiched in to the set-up mode between two transverse axis, make switch lever its both sides when breaking-closing operating stressed respectively, reduced the one-sided wearing and tearing of switch lever, be conducive to extend the useful life of switch lever, in addition, symmetrical both sides transverse axis be arranged so that breaking-closing operating time more stable.
6. operating mechanism of the present utility model, is connected with between the output shaft of described motor and described driving gear and described motor is connected or separated arrangement of clutch with described driving gear; The operating mechanism of the present utility model that is arranged so that by described arrangement of clutch can be realized electric operating and can realize manual operation again.In addition, described driven gear and described swing arm junction are provided with for manually operated interior polygonal through hole, thereby arrangement of clutch is arranged on driving gear place, manual operation position is arranged on driven gear place, electric operating and manual operation position be not at same place, when this kind is arranged so that operating personnel need manual operation, can motor and driving gear be departed from a hand control arrangement of clutch, another hand carries out manual operation, manual operation position and clutch position have been solved in prior art at same place, the problem of manual operation difficulty.
7. operating mechanism of the present utility model, described arrangement of clutch comprises the clutch part on the output shaft that is set in movably described motor, and between described clutch part and described output shaft, and the Compress Spring of clutch part described in contact, described clutch part has the external part stretching out from described driving gear, the fit structure that between the outer surface of described clutch part and the inner surface of described driving gear, moulding is meshed both, when needs manual operation, operating personnel press described external part with hand or instrument, thereby promotion clutch part overcomes the compression elasticity of spring to be moved down, clutch part moves down, fit structure between described clutch part outer surface and described driving gear inner surface departs from engagement, operating personnel can realize manual operation, by the design of described external part, make manual operation more convenient.
8. operating mechanism of the present utility model, described gear train also comprises at least one transition gear being connected with a joggle between described driving gear and described driven gear, by the setting of described at least one transition gear, thereby increased the gearratio between described driving gear and driven gear, the increase of gearratio makes driven gear responsiveness faster, thereby makes performance element disjunction switch lever speed faster.
9. operating mechanism of the present utility model, described swing arm promotes described slip pushing block reciprocating linear by sliding connection structure and slides when swinging, described sliding connection structure the wearing and tearing that reduced swing arm and slip pushing block junction are set, be conducive to extend the useful life of swing arm and slip pushing block, in addition, it is more smooth and easy that described sliding connection structure makes swing arm action when promoting slip pushing block.
10. operating mechanism of the present utility model, the described post that slides is rolling bearing, this kind is arranged to be connected that becoming rolls connects between the slide slot that slides post and swing arm of swing arm, and the wearing and tearing that connect of rolling are less, the useful life of further improving swing arm and slip pushing block.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the perspective view of operating mechanism of the present utility model;
Fig. 2 is the installation diagram of fixed support, performance element and switch lever in operating mechanism of the present utility model;
Fig. 3 is the three-dimensional structure diagram of performance element in operating mechanism of the present utility model;
Fig. 4 is the installation diagram of pushing block and swing arm of sliding in operating mechanism of the present utility model;
Fig. 5 is driving gear in operating mechanism of the present utility model, arrangement of clutch and motor assembling exploded view;
Fig. 6 is driving gear perspective view in operating mechanism of the present utility model, and in figure, view directions is contrary with driving gear view directions in Fig. 1;
Fig. 7 is the perspective view of clutch part in operating mechanism of the present utility model;
Fig. 8 is the installation diagram of operating mechanism of the present utility model and switch pedestal.
Description of reference numerals: a1-slip pushing block, a11-drive division, a111-insertion end, a111a-the first slide opening, a12-extension, a121-slide slot;
A21-slides portion, a21a-the second slide opening, a22-clamping part, a221-transverse axis, a222-opening;
A3-buffer spring;
A4-fixed support, a41-slide-bar;
A5-swing arm, a51-slides post, polygonal through hole in a52-;
A6-motor, a61-output shaft, a62-supporting bracket;
A71-driving gear, a711-groove, a72-driven gear, a73-transition gear;
A8-switch lever;
A91-clutch part, a911-boss, a912-external part, a92-Compress Spring, a93-pad;
B1-switch pedestal.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
As shown in Fig. 1 and Fig. 8, that the utility model is for the preferred embodiment of the operating mechanism of auto recloser, described operating mechanism comprises switch pedestal b1, and is arranged on electric machine assembly on described switch pedestal b1, gear unit and for the performance element of driving switch divide-shut brake.Described electric machine assembly drives gear unit action, gear unit action drives performance element, and the switch lever a8 of performance element operating switch, thus realize the divide-shut brake of switch.It should be noted that, the working method of the switch lever a8 that operating mechanism of the present utility model is applicable is: described switch lever a8 has the pivot that is fixed on switch inside, and the divide-shut brake of described switch lever a8 control switch is to realize by the mode around described pivot reciprocally swinging.
As shown in Figure 1, described gear unit comprise can be relatively described the slip pushing block a1 that slides of switch pedestal b1 reciprocating linear, described slip pushing block a1 comprises having near described performance element and drive described performance element along the drive division a11 sliding with slip pushing block a1 equidirectional reciprocating linear and be connected described drive division a11 and to the extension a12 extending away from described performance element direction, in the present embodiment, as shown in Figure 1, the direction that described extension a12 pulls when described switch lever a8 closes a floodgate is extended; The free end of described extension a12 is connected with swing arm a5, and described swing arm a5 slides by extension a12 reciprocating linear described in wobble drive, and described swing arm a5 is near described electric machine assembly and driven by described electric machine assembly.
By the setting of the extension extending away from performance element on described slip pushing block and the swing arm being connected with the free end of described extension, make the motor position of the present embodiment away from described performance element, away from performance element away from the moving contact position that is positioned at performance element below, thereby the electric arc having produced while having prevented moving contact action causes burn to motor, also avoided the electric arc producing to conduct electricity by the iron shell of motor, the stability of switch and reliability improve.
As shown in Figure 8, the operating mechanism of the present embodiment also comprises and also comprises the fixed support a4 being fixed on switch pedestal b1, on described fixed support a4, be fixedly installed and be arranged in described switch lever a8 both sides, and extend along pulling the consistent direction of direction with described switch lever a8, for the slide rail of described slip pushing block a1 and the slip of described performance element, described slip pushing block a1 and described performance element be being arranged on described slide rail of linear slide reciprocally.It is more smooth and easy, more stable that this kind of symmetric slide rail arrangement moves operating mechanism when breaking-closing operating.Support bracket fastened setting not only makes the slip pushing block and the more convenient layout of performance element that coordinate with slide rail, but also plays structure-reinforced effect.
In the present embodiment, as depicted in figs. 1 and 2, described slide rail is two slide-bar a41 that be arranged in parallel, on the drive division a11 of described slip pushing block a1, form and be suitable for the first slide opening a111a that described in two, slide-bar a41 slides through, on described performance element, form and be suitable for the second slide opening a21a that described in two, slide-bar a41 slides through.Preferably, the cross section of described slide-bar a41 is circular, and described the first slide opening a111a and described the second slide opening a21a are the circular hole matching with described slide-bar a41.The fit form of circular hole and axle, makes the drive division of described slip pushing block and the problem that described performance element there will not be derailing in the process of reciprocatingly sliding.
Further, as Figure 1-3, described performance element comprises the a21 of the portion of sliding that can reciprocatingly slide along slide rail described in both sides and is fixedly connected on described in both sides and slide the clamping part a22 between the a21 of portion, and described clamping part a22 middle part forms and is suitable for the opening a222 that the switch lever a8 of switch passes.As depicted in figs. 1 and 2, when assembling, described switch lever a8 penetrates into described opening a222 from below, described performance element is subject to the driving of described slip pushing block and reciprocating linear while sliding, and is arranged in the described switch lever a8 reciprocally swinging of described opening a222 by described clamping part a22 reciprocating.
In the present embodiment, described in the drive division a11 of described slip pushing block a1 and described performance element, slide and between the a21 of portion, be connected with buffer spring a3, described buffer spring a3 one end connects the drive division a11 of described slip pushing block a1, the other end connects the a21 of the portion of sliding of described performance element, when described drive division a11 reciprocating linear slides by compressing or the described buffer spring a3 that stretches drives the a21 of the portion of the sliding reciprocating linear of described performance element to slide.By the setting of described buffer spring, the non-rigid connection that be connected to that makes to slide between the drive division a11 of pushing block and the a21 of the portion of sliding of described performance element, described buffer spring a3 can play the effect of the a21 of the portion of the sliding position deviation of adjusting drive division a11 and performance element when breaking-closing operating, it is high especially that thereby the portion of sliding of make to slide pushing block and performance element does not need both coherence requests when assembling, and drive division and performance element that described buffer spring a3 can also reduce slip pushing block slide the wearing and tearing between portion, further can reduce the wearing and tearing between the portion of sliding and switch lever, thereby improve the useful life of operating mechanism.
Again further, as preferred embodiment of the present utility model, in order to make described slip pushing block a1 more move more smooth and easy when pushing executing mechanism moves, as shown in Figure 1, described drive division a11 has the insertion end a111 that slides the a21 of portion inside described in extending into, on described insertion end a111, form and make its described first slide opening a111a that can slide along described slide-bar a41 reciprocating linear, described insertion end a111 with described in slide the reciprocatingly slide two ends of direction of the a21 of portion and by described buffer spring a3, be connected respectively.This kind of set-up mode makes described insertion end a111 be subject to the compression thrust of a side buffer spring and the stretching pulling force of opposite side buffer spring at the Shi Douhui that reciprocatingly slides, the buffering effect of buffer spring is better, thereby it is more smooth and easy that operating mechanism is moved when breaking-closing operating, work more stable.Again further, in the present embodiment, the buffer spring of preferred described insertion end both sides is identical.
Setting for described buffer spring, it should be noted that, the utility model is not limited to the setting of buffer spring described above, and in other embodiments, described buffer spring can also be according to a side that need to be connected in insertion end of topology layout.
Above-mentioned clamping part a22, in the present embodiment, as Figure 1-3, is the transverse axis a221 that two opposing parallel arrange, the direction of opposing parallel with described in the direction of the portion's of sliding slip vertical, the gap described in two between transverse axis a221 is described opening a222.Switch lever is sandwiched in to the set-up mode between two transverse axis, make switch lever its both sides when breaking-closing operating stressed respectively, reduced the one-sided wearing and tearing of switch lever, be conducive to extend the useful life of switch lever, in addition, symmetrical both sides transverse axis be arranged so that breaking-closing operating time more stable.Described clamping part a22 can also be structure as a whole, and in the moulding of the middle part of integrative-structure, is suitable for the described opening a222 that switch lever passes.
In the present embodiment, as shown in Figure 1, described electric machine assembly comprises motor a6, and the gear train that is subject to the output shaft a61 driving of described motor a6.Described gear train comprises the driving gear a71 that driven by described motor a6, and meshes and drive the driven gear a72 of described swing arm a5 with described driving gear a71.The output shaft of motor drives driving gear a71 to rotate, and driving gear a71 drives driven gear a72 to rotate.According to the needs to switch lever breaking speed, can select driving gear and the driven gear of different size, to meet the requirement of gearratio.As shown in Figure 1, described electric machine assembly also comprises the supporting bracket a62 being fixed on described motor a6, described gear train is arranged on the upper surface that described supporting bracket a62 is smooth, and the setting of supporting bracket a62 has not only realized the installation of gear train, and more smooth and easy when gear train is rotated.
In addition, in the present embodiment, as shown in Figure 1, between the output shaft a61 of described motor a6 and described driving gear a71, be connected with and described motor a6 be connected or separated arrangement of clutch with described driving gear a71; Described driven gear a72 and described swing arm a5 junction are provided with for manually operated interior polygonal through hole a52.The operating mechanism that is arranged so that the present embodiment by arrangement of clutch not only can be realized electric operating but also can realize manual operation.When needs manual operation, by arrangement of clutch, make the output shaft a61 of described motor a6 be connected with described driving gear a71, thereby the output shaft a61 of motor rotates drive, described driving gear a71 rotates; When needs electric operating, by operation arrangement of clutch, the output shaft a61 of motor and described driving gear a71 are departed from, thereby realize manual operation.In the present embodiment, for manually operated interior polygonal through hole a52, be arranged at the junction of driven gear a72 and swing arm a5, arrangement of clutch is arranged on the junction of driving gear and motor, under this kind arranges, operating personnel just can depart from motor and driving gear by a hand control arrangement of clutch, another hand carries out manual operation, has solved in prior art manual operation position and clutch position at same place, the problem of manual operation difficulty.
In the present embodiment, the preferably interior hexagonal through hole of described interior polygonal through hole a52, by hexagonal handle in inserting, can pull swing arm a5 and swing when operating personnel operate.Certainly, in other embodiments, as required, interior polygonal through hole can also be arranged to interior triangle, interior four jiaos or interior five jiaos etc., and this utility model is not done to concrete restriction.
Particularly, as shown in Figure 5, described arrangement of clutch comprises the clutch part a91 on the output shaft a61 that is set in movably described motor a6, and between described clutch part a91 and described output shaft a61, and the Compress Spring a92 of clutch part a91 described in contact.Described clutch part a91 has the external part a912 stretching out from described driving gear a71, the fit structure that between the inner surface of the outer surface of described clutch part a91 and described driving gear a71, moulding is meshed both.The setting of described external part a912, facilitated the switching of operating personnel between manual operation and electric operating, be specially: operating personnel are with hand or other applicable instruments, such as screwdriver etc., the elastic force that firmly overcomes Compress Spring a92 presses down clutch part, clutch part moves down, and the fit structure between clutch part and driving gear departs from engagement, and at this moment operating personnel can carry out manual operation.
Further particularly, in the present embodiment, as shown in Figure 6 and Figure 7, described fit structure comprises at least one the boss a911 that is molded over described clutch part a91 outer surface, and is molded at least one groove a711 that described driving gear a71 inner surface coordinates with described boss a911.Preferably, described clutch part a91 outer surface is along circumferentially forming evenly spaced apart four described boss a911, corresponding, and described driving gear a71 inner surface is along circumferentially forming evenly spaced apart four described groove a711.In other embodiments, the outer surface of described clutch part a91 can at least one groove of moulding, and the inner surface of described driving gear a71 can moulding and at least one boss of described groove fit.Certainly, the version of described fit structure has a lot, and for example described fit structure comprises the external tooth that is molded over described clutch part a91 outer surface, and the internal tooth coordinating with described external tooth that is molded over described driving gear a71 inner surface.
In order to realize fast as far as possible breaking capacity, the size of driven gear should be large as much as possible, driving gear size should be as much as possible little, so that both gearratios are large as much as possible, but because switch inner space is limited, the size of choosing driven gear is restricted, therefore, in the present embodiment, in order to realize the requirement that disjunction is fast, described gear train also comprises at least one the transition gear a73 being connected with a joggle between described driving gear a71 and described driven gear a72, by the setting of described at least one transition gear, thereby increased the gearratio between described driving gear and driven gear, the increase of gearratio makes driven gear responsiveness faster, thereby make performance element disjunction switch lever speed faster.In the present embodiment, as shown in Figure 1, described transition gear is one.It should be noted that, if in other embodiments, described transition gear is set to a plurality of, every two adjacent transition gear engagements in a plurality of transition gears.
In addition, in the present embodiment, in order to make described operating mechanism more smooth and easy when moving, more stable, also in order to realize, when swing arm swings, can to promote described slip pushing block and reciprocatingly slide along rectilinear direction, as shown in Figure 4, described swing arm a5 promotes described slip pushing block a1 reciprocating linear by sliding connection structure and slides when swinging.Described sliding connection structure the wearing and tearing that reduced swing arm and slip pushing block junction are set, be conducive to extend the useful life of swing arm and slip pushing block.
Further, described in slide post a51 and be preferably rolling bearing, thereby between the slide slot that slides post and swing arm of swing arm, be connected that becoming rolls connects, and the wearing and tearing that connect of rolling are less, the useful life of further improving swing arm and slip pushing block.
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 among the protection range that the apparent variation of being amplified out thus or change are still created in the utility model.
Claims (19)
1. the operating mechanism for auto recloser, comprise switch pedestal (b1), and be installed on electric machine assembly in described switch pedestal (b1), gear unit and for the performance element of driving switch divide-shut brake, described electric machine assembly drives gear unit, gear unit drives the switch lever (a8) of performance element operating switch, it is characterized in that:
Described gear unit comprises the slip pushing block (a1) can relatively described switch pedestal (b1) reciprocating linear sliding, described slip pushing block (a1) has near described performance element and drives described performance element along the drive division (a11) sliding with slip pushing block (a1) equidirectional reciprocating linear and be connected described drive division (a11) and to the extension (a12) extending away from described performance element direction, the free end of described extension (a12) is connected with the swing arm (a5) sliding by extension described in wobble drive (a12) reciprocating linear, described swing arm (a5) is near described electric machine assembly and driven by described electric machine assembly.
2. operating mechanism according to claim 1, it is characterized in that: also comprise the fixed support (a4) being fixed in switch pedestal (b1), on described fixed support (a4), be fixedly installed and be arranged in described switch lever (a8) both sides, and extend along pulling the consistent direction of direction with described switch lever (a8), for the slide rail of described slip pushing block (a1) and the slip of described performance element.
3. operating mechanism according to claim 2, it is characterized in that: described slide rail is two slide-bars that be arranged in parallel (a41), on the drive division (a11) of described slip pushing block (a1), form and be suitable for the first slide opening (a111a) that slide-bar described in two (a41) slides through, on described performance element, form and be suitable for the second slide opening (a21a) that slide-bar described in two (a41) slides through.
4. operating mechanism according to claim 3, it is characterized in that: the cross section of described slide-bar (a41) is for circular, and described the first slide opening (a111a) and described the second slide opening (a21a) are the circular hole matching with described slide-bar (a41).
5. operating mechanism according to claim 4, it is characterized in that: described performance element comprises being slidably arranged in described in both sides the portion of sliding (a21) on slide-bar (a41) and being fixedly connected on described in both sides and slide the clamping part (a22) between portion (a21), described clamping part (a22) middle part forms and is suitable for the opening (a222) that described switch lever (a8) passes.
6. operating mechanism according to claim 5, is characterized in that: the drive division (a11) of described slip pushing block (a1) and described in slide and between portion (a21), be connected with buffer spring (a3).
7. operating mechanism according to claim 6, it is characterized in that: described drive division (a11) has and slides the inner insertion end (a111) of portion (a21) described in extending into, in described insertion end (a111), form and make its described first slide opening (a111a) that can slide along described slide-bar (a41) reciprocating linear, described insertion end (a111) with described in slide the reciprocatingly slide two ends of direction of portion (a21) and by described buffer spring (a3), be connected respectively.
8. operating mechanism according to claim 7, is characterized in that: described clamping part (a22) is two transverse axis that be arranged in parallel (a221), and the gap between transverse axis described in two (a221) is described opening (a222).
9. according to the operating mechanism described in any one in claim 1-8, it is characterized in that: described electric machine assembly comprises motor (a6), and the gear train that is subject to output shaft (a61) driving of described motor (a6).
10. operating mechanism according to claim 9, it is characterized in that: described gear train comprises the driving gear (a71) that driven by described motor (a6), and mesh and drive the driven gear (a72) of described swing arm (a5) with described driving gear (a71).
11. operating mechanisms according to claim 10, is characterized in that: between the output shaft (a61) of described motor (a6) and described driving gear (a71), be connected with and described motor (a6) be connected or separated arrangement of clutch with described driving gear (a71); Described driven gear (a72) is provided with for manually operated interior polygonal through hole (a52) with described swing arm (a5) junction.
12. operating mechanisms according to claim 11, it is characterized in that: described arrangement of clutch comprises the clutch part (a91) on the output shaft (a61) that is set in movably described motor (a6), and be positioned between described clutch part (a91) and described output shaft (a61), and the Compress Spring (a92) of clutch part (a91) described in contact, described clutch part (a91) has the external part (a912) stretching out from described driving gear (a71), the fit structure that between the outer surface of described clutch part (a91) and the inner surface of described driving gear (a71), moulding is meshed both.
13. operating mechanisms according to claim 12, it is characterized in that: described fit structure comprises at least one boss (a911) that is molded over described clutch part (a91) outer surface, and be molded at least one groove (a711) that described driving gear (a71) inner surface coordinates with described boss (a911).
14. operating mechanisms according to claim 12, it is characterized in that: described fit structure comprises the external tooth that is molded over described clutch part (a91) outer surface, and the internal tooth coordinating with described external tooth that is molded over described driving gear (a71) inner surface.
15. according to the operating mechanism described in any one in claim 10-14, it is characterized in that: described gear train also comprises at least one transition gear (a73) being connected with a joggle between described driving gear (a71) and described driven gear (a72).
16. operating mechanisms according to claim 15, is characterized in that: described transition gear (a73) is one.
17. operating mechanisms according to claim 1, is characterized in that: described swing arm (a5) promotes described slip pushing block (a1) reciprocating linear by sliding connection structure and slides when swinging.
18. operating mechanisms according to claim 17, it is characterized in that: described sliding connection structure comprises and being molded on described slip pushing block (a1), and the slide slot (a121) that bearing of trend is vertical with described slip pushing block (a1) glide direction, and be arranged on described swing arm (a5) surface and to described slide slot (a121) extend be inserted in described slide slot (a121), coordinate with described slide slot (a121) slide post (a51).
19. operating mechanisms according to claim 18, is characterized in that: described in to slide post (a51) be rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289163.1U CN203839316U (en) | 2014-05-30 | 2014-05-30 | Operating mechanism used for automatic reclosing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289163.1U CN203839316U (en) | 2014-05-30 | 2014-05-30 | Operating mechanism used for automatic reclosing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839316U true CN203839316U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420289163.1U Withdrawn - After Issue CN203839316U (en) | 2014-05-30 | 2014-05-30 | Operating mechanism used for automatic reclosing apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN203839316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985614A (en) * | 2014-05-30 | 2014-08-13 | 佳一电气有限公司 | Operating mechanism for automatic reclosing lock device |
-
2014
- 2014-05-30 CN CN201420289163.1U patent/CN203839316U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985614A (en) * | 2014-05-30 | 2014-08-13 | 佳一电气有限公司 | Operating mechanism for automatic reclosing lock device |
| CN103985614B (en) * | 2014-05-30 | 2016-01-20 | 佳一电气有限公司 | For the operating mechanism of auto recloser |
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