CN204117879U - A kind of automatic change-over with clutch function - Google Patents
A kind of automatic change-over with clutch function Download PDFInfo
- Publication number
- CN204117879U CN204117879U CN201420505492.5U CN201420505492U CN204117879U CN 204117879 U CN204117879 U CN 204117879U CN 201420505492 U CN201420505492 U CN 201420505492U CN 204117879 U CN204117879 U CN 204117879U
- Authority
- CN
- China
- Prior art keywords
- gear
- bevel gear
- push rod
- planetary
- automatic change
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Retarders (AREA)
Abstract
A kind of automatic change-over with clutch function, comprise two and be fixed on the execution switch on base plate, two push rods, transmission mechanism, controller and clutches, transmission mechanism comprise motor, reduction box, the horizontal bevel gear be packed on output shaft, two there is with horizontal bevel gear drive connection respectively be arranged on by each lateral shaft supporting device vertical bevel gear on same transversal line and two are connected linkage with push rod rocking arm by link gear, comprise planetary gearsets and multipair gear pair.Clutch has the selective lock structure of the planetary ring gear in the planetary gearsets of reduction box, comprise electromagnetic actuator device, the push rod that can move linearly and the boss be arranged on the outer circle of planetary ring gear, push rod is only at electronic lower interference boss, planetary ring gear is locked, during manual operation, planetary ring gear is free to rotate, realizes the clutch of transmission mechanism and motor when manpower manual operates.Designs simplification, efficiency of assembling and reliability high.
Description
Technical field
The utility model relates to automatic change-over technical field, is specifically related to a kind of double power supply automatic transfer switch, particularly has the double power supply automatic transfer switch of clutch function.
Background technology
Along with the fast development of intelligent grid and uninterrupted multiplexe electric technology, the dual power supply system comprising main power source and stand-by power supply is day by day universal, one of technology of its key is exactly realize automatic switchover between main power source and stand-by power supply and handoff-security, and double power supply automatic transfer switch (hereinafter referred to as automatic change-over) is exactly the electrical equipment realizing this automatic switchover and handoff-security.At present, automatic change-over one be respectively used to perform main power source and the execution switch (circuit breaker) of stand-by power supply on/off, the transmission mechanism of electronic and manual unification and controller by two and form.Transmission mechanism is by the driving of motor or the driving of staff, and the combined floodgate of manipulation two execution switches or separating brake, when one of them device for switching closes a floodgate, another device for switching must separating brake.Automatic change-over also has the mechanical interlocking function preventing two execution switches from simultaneously closing a floodgate, and namely when a device for switching is in "on" position, mechanical interlocking can stop another device for switching to close a floodgate.Due in electric operating process, transmission mechanism is reducing gear, and in During manual operation, transmission mechanism is speed increasing mechanism, therefore, when manual operation, if motor is not separated with transmission mechanism, then need very large operating physical force to overcome the damping of motor.For this reason, automatic change-over should increase clutch function, and to realize being separated of when manual operation motor and transmission mechanism, and motor is coupled with transmission mechanism when electric operating.
The existing automatic change-over realizing clutch function based on planetary gear principle in transmission mechanism, as a kind of double power supply automatic transfer switch of prior art, its clutch have employed locating wheel, and there is the drive connection of gears meshing between locating wheel and the gear ring of planetary gearsets, due in During manual operation, locating wheel is by rotating with the driving of the gear ring of planetary gearsets, in fact locating wheel has become damping wheel thus, it is similar to the motor of above-mentioned conventional gear train, the manual operation power of same meeting at substantial, and owing to needing to process all gear on the gear ring of planetary gearsets, and need to increase locating wheel and a relevant sleeve supporting device thereof, therefore there are parts various, assembling is complicated, Installation and Debugging difficulty, the problems such as reliability is low.
Utility model content
The purpose of this utility model is to provide a kind of automatic change-over with clutch function, it is by the Multiple Optimization Design to transmission mechanism, the particularly improvement of clutch, overcome the defect of above-mentioned prior art, not only significantly reduce manually operated operating physical force, simplify the structure of transmission mechanism simultaneously, improve efficiency of assembling, reduce Financial cost.
For achieving the above object, the utility model have employed following technical scheme.
A kind of automatic change-over with clutch function, comprise base plate 1, two are fixed on the execution switch 3 on base plate 1, two push rods 4 linked with the operating grip of each described execution switch 3 respectively, transmission mechanism 5, controller 7 and clutch, described transmission mechanism 5 comprises motor 57, with the output shaft 581 of the handle 6 of automatic change-over, for the reduction box 58 of transmission between motor 57 and output shaft 581, be fixedly mounted on the horizontal bevel gear 55 on output shaft 581, two vertical bevel gear 52 and two Rocker arm 5s 1 be fixedly connected with each vertical bevel gear 52 respectively with horizontal bevel gear 55 respectively with drive connection, two described vertical bevel gear 52 are arranged on same transversal line X--X respectively by respective lateral shaft supporting device 59, described Rocker arm 51 is connected linkage by a link gear 40 with described push rod 4, described reduction box 58 comprises planetary gearsets and multipair gear pair, wherein: described clutch has the selective lock structure be arranged on the planetary ring gear 586 of described planetary gearsets, this structure comprises an electromagnetic actuator device 588 be fixedly mounted in reduction box 58, a push rod 588a that can move linearly and at least one boss 586b be arranged on the outer circle of described planetary ring gear 586, described push rod 588a only interferes described boss 586b under electromagnetic actuator device 588 drives, planetary ring gear 586 is locked, and when manpower manual operates, described planetary ring gear 586 is free to rotate, realize the clutch of transmission mechanism 5 and motor 57 when manpower manual operates.
According to a kind of preferred implementation of the present utility model: described boss 586b is arranged on the external cylindrical surface 586c of planetary ring gear 586 in the mode of circumference uniform distribution; Described push rod 588a has extended position and the stable location status of retracted position two, and the conversion realized under the driving of electromagnetic actuator device 588 between extended position and retracted position, under the state that push rod 588a is in extended position, the outer end of push rod 588a contacts with boss 586b, and stops the rotation of restriction planetary ring gear 586 with this; And under the state being in retracted position at push rod 588a, the outer end of push rod 588a does not contact with boss 586b, and removes the limit rotation to planetary ring gear 586 with this.According to another execution mode of the present utility model: the output shaft 581 of described transmission mechanism 5 is arranged in revolute pair mode on the cap of reduction box 58, the axis Y-Y of output shaft 581 is vertical with described transversal line X-X and crossing.
According to another kind of execution mode of the present utility model: described transmission mechanism 5 also comprises two spring 51b, their one end is connected with described Rocker arm 51 respectively, and their other end is connected with the cap of described reduction box 58 respectively.
According to another execution mode of the present utility model: described reduction box 58 comprises the first gear pair 582a, 582b, the second gear pair 583a, 583b, the 3rd gear pair 589a, 589b and planetary gearsets, described planetary gearsets comprise a rotating shaft 587, be rotationally sleeved on the planet carrier 584 in rotating shaft 587, the multiple planetary gears 585 be installed in rotation on planet carrier 584, can around the shaft 587 the planetary ring gear 586 of axis rotation and a sun gear 587a being coaxially fixedly connected with rotating shaft 587; The gear wheel 582a of the first described gear pair is coaxially fixedly connected with output shaft 581, the pinion 582b of the first gear pair is coaxially fixedly connected with the gear wheel 583a of the second gear pair, the pinion 583b of the second gear pair is coaxially fixedly connected with the planet carrier 584 of planetary gearsets, the gear wheel 589a of the 3rd gear pair is coaxially fixedly connected with the sun gear 587a of star gear train, and the pinion 589b of the 3rd gear pair is coaxially fixedly connected with the motor shaft of motor 57; The sun gear 587a of described planetary gearsets engages with multiple planetary gear 585 simultaneously, and multiple planetary gear 585 engages with the internal gear 586a of planetary ring gear 586 simultaneously.
According to another execution mode of the present utility model: described horizontal bevel gear 55 is less than or equal to the not all gear of half circumference for driving cog distributes; Described horizontal bevel gear 55 and the drive connection of two vertical bevel gear 52 are that horizontal bevel gear 55 can only drive one in two vertical bevel gear 52 to rotate in turn; When two execution switches 3 are all in gate-dividing state, horizontal bevel gear 55 does not all engage with two vertical bevel gear 52 or all not exclusively engages; When horizontal bevel gear 55 engages completely with one of them vertical bevel gear 52, then another vertical bevel gear 52 does not engage with horizontal bevel gear 55.
According to another execution mode of the present utility model: described link gear 40 comprises inner support 4d and axle 4c, be arranged on the axis hole 4e on inner support 4d, be arranged on the second axis hole 4b on push rod 4, the spliced eye 51a being arranged on the rocking handle 4a on push rod 4 and being arranged on Rocker arm 51, described axle 4c and axis hole 4e, second axis hole 4b connects and forms revolute pair structure, rocking handle 4a on described push rod 4 and be provided with between the second axis hole 4b distance and form rocker structure, spliced eye 51a socket connection on described rocking handle 4a and Rocker arm 51, inner support 4d is fixedly connected on base plate 1 and/or performs on the shell of switch 3.
Preferred further: described lateral shaft supporting device 59 comprises transverse axis 59a and axle supporting 59b, described transverse axis 59a supports 59b with revolute pair mode and described axle and is connected, transverse axis 59a is coaxially fixedly connected with vertical bevel gear 52, and axle supporting 59b is fixedly connected with the cap of reduction box 58 or one-body molded.
Adopt the technical scheme of above-mentioned arbitrary the utility model automatic change-over, by simplifying the detent mechanism of planetary gear clutch system in transmission mechanism, structural design more advantages of simple, processing and manufacturing more convenient, conscientiously improve efficiency of assembling and reliability.
Accompanying drawing explanation
Advantage of the present utility model and feature can be more clearly found out from the description of accompanying drawing illustrated embodiment, wherein:
Fig. 1 is the integrally-built schematic perspective view with the automatic change-over of clutch function of the present utility model.
Fig. 2 is the schematic perspective view of the overall decomposition texture of the automatic change-over shown in Fig. 1.
Fig. 3 is the perspective view of the transmission mechanism 5 of the automatic change-over shown in Fig. 1.
Fig. 4 is the perspective view of the clutch of the automatic change-over shown in Fig. 1.
Fig. 5 is the decomposition texture schematic perspective view of the link gear 40 of the automatic change-over shown in Fig. 1.
Fig. 6 is the explosive view of each part of transmission mechanism 5 and clutch.
Fig. 7 is the perspective view of the interlock of the automatic change-over shown in Fig. 1, shows the installation relation of interlock and other mechanism.
Fig. 8 is the land plateau 52a of the interlock shown in Fig. 7 and the position of fork 56 and the perspective view of matching relationship.
Embodiment
Below in conjunction with the embodiment that Fig. 1 to Fig. 8 provides, further illustrate the embodiment with the automatic change-over of clutch function of the utility model utility model.The description of following the utility model circuit breaker embodiment is just as nonrestrictive example.
See Fig. 1, Fig. 2, the automatic change-over with clutch function of the present utility model is a kind of double power supply automatic transfer switch, comprises base plate 1, two and is fixed on push rod 4 that 3, two, execution switch on base plate 1 links with the operating grip of each described execution switch 3 respectively, transmission mechanism 5, the handle 6 of automatic change-over, controller 7, clutch and interlock.Performing switch 3 can adopt circuit breaker to realize, each execution switch 3 is fixed on base plate 1 by (but being not limited to) supporting structure as depicted in figs. 1 and 2, supporting structure comprises the support arm 2 and inner support 4d that are fixedly connected with the shell of the both sides performing switch 3 respectively, and support arm 2 is fixedly connected with base plate 1 again respectively with inner support 4d.Transmission mechanism 5 and controller 7 are arranged on the centre position of base plate 1, two execution switches 3 are arranged on the position of transmission mechanism 5 left and right sides respectively, so that transmission mechanism 5 can nearby with two execution switch 3 mechanical couplings, and controller 7 can be electrically connected with two execution switches 3 and transmission mechanism 5 nearby.Two push rods 4 link with the operating grip (not shown) of two execution switches 3 respectively, and namely the push rod 4 on the left side links with the operating grip of the execution switch 3 on the left side, and the push rod 4 on the right links with the operating grip of the execution switch 3 on the right.Two execution switches 3 are respectively used to the on/off controlling main power source current supply circuit (not shown) and stand-by power supply current supply circuit (not shown), the action of the operating grip of execution switch 3 can be handled execution switch 3 and change between "on" position and gate-dividing state, thus realizing three kinds of operating states of automatic change-over: the first state is the state of stopping power supply, and namely two execution switches 3 are all gate-dividing state; The second state is main power source power supply state, and namely the execution switch 3 of main power source is "on" position, and the execution switch 3 of stand-by power supply is gate-dividing state; The third state is stand-by power supply power supply state, and namely the execution switch 3 of stand-by power supply is "on" position, and the execution switch 3 of main power source is gate-dividing state.Realize the concrete syndeton that push rod 4 and operating grip link and can adopt known structure, under the state of stopping power supply, two push rods 4 point-blank (as shown in Figure 1), to power or under stand-by power supply power supply state at main power source, two push rods 4 are not point-blank (as shown in Figure 7), but absolute prohibition two push rods 4 are on the straight line of opposite side, two execution switches 3 are namely absolutely not allowed all to be in "on" position.
As shown in Figure 3, described transmission mechanism 5 comprises motor 57, with the output shaft 581 of handle 6, for the reduction box 58 of transmission between motor 57 and output shaft 581, be fixedly mounted on the horizontal bevel gear 55 on output shaft 581, two vertical bevel gear 52 and two Rocker arm 5s 1 be fixedly connected with each vertical bevel gear 52 respectively with horizontal bevel gear 55 respectively with drive connection, two described vertical bevel gear 52 are arranged on same transversal line X-X respectively by respective lateral shaft supporting device 59, described Rocker arm 51 is connected linkage (see Fig. 5) by a link gear 40 with described push rod 4, described reduction box 58 comprises planetary gearsets and multipair gear pair.Output shaft 581 with handle 6 are knobs for manual operation, handle 6 can be fixed on the outer end of output shaft 581 by known structure, therefore handle 6 is power sources of manual operation change over switch, output shaft 581 can be driven to rotate by turning handle 6.Motor 57 is electrically operated power sources, reduction box 58 is arranged between the motor shaft of motor 57 and output shaft 581, to realize the gear between motor shaft and output shaft 581, be specially: when manual operation, output shaft 581 is driving shaft, and the gear of reduction box 58 is step-up drive; When electric operating, motor shaft is driving shaft, and the gear of reduction box 58 is deceleration transmission.
As Fig. 4, shown in 6, the clutch of automatic change-over has the selective lock structure be arranged on the planetary ring gear 586 of described planetary gearsets, this structure comprises an electromagnetic actuator device 588 be fixedly mounted in reduction box 58, a push rod 588a that can move linearly and the multiple boss 586b be arranged on the outer circle of described planetary ring gear 586, described push rod 588a only interferes described boss 586b under electromagnetic actuator device 588 drives, planetary ring gear 586 is locked, and when manpower manual operates, described planetary ring gear 586 is free to rotate, realize the clutch of transmission mechanism 5 and motor 57 when manpower manual operates.Specifically, electromagnetic actuator device 588 comprises solenoid (not shown) and dynamic iron core (not shown), when applying pumping signal (current/voltage) to solenoid, the field drives that solenoid produces is moved iron core and is moved, dynamic iron core moves and drives push rod 588a to move, push rod 588a can realize the installation of its rectilinear movement and the mechanical couplings with dynamic iron core by known structure, and under the action control of dynamic iron core, have two stable positions: extended position and retracted position.Extended position refers to that push rod 588a reaches the longest position outside electromagnetic actuator device 588; Retracted position refers to that push rod 588a reaches the shortest position outside electromagnetic actuator device 588.Described boss 586b quantity is at least one, each boss 586b is arranged on (as shown in Figure 4 and Figure 6) on the external cylindrical surface 586c of planetary ring gear 586 in the mode of circumference uniform distribution, by such setting, nature forms recess between adjacent two boss 586b.Because described push rod 588a has extended position and the stable location status of retracted position two, and the conversion realized under the driving of electromagnetic actuator device 588 between extended position and retracted position, so the following matching relationship of push rod 588a and boss 586b can be realized: under the state that push rod 588a is in extended position, the outer end of push rod 588a contacts with boss 586b, namely the outer end of push rod 588a extend into the recess interior (as shown in Figure 4) between adjacent two boss 586b, and the rotation of restriction planetary ring gear 586 is stopped with this, realize the conjunction of motor 57 and transmission mechanism, under the state that push rod 588a is in retracted position, the outer end of push rod 588a does not contact with boss 586b, namely the outer end of push rod 588a is withdrawn from the recess between adjacent two boss 586b, and removes the limit rotation to planetary ring gear 586 with this, realize motor 57 and transmission mechanism from.Under motor 57 and transmission mechanism are the state of closing, the rotational of motor 57 is delivered to output shaft 581 by reduction box 58, to meet electrically operated requirement; Under the state that motor 57 is separated with transmission mechanism, output shaft 581 rotate through reduction box 58 after can not be delivered to motor 57, to meet the requirement of manual operation labour-saving.
Reduction box 58 adopts the speed changing structure comprising planetary gearsets and multipair gear pair, concrete structure can have kinds of schemes, a kind of preferred scheme as shown in Figure 6: described reduction box 58 comprises the first gear pair 582a, 582b, the second gear pair 583a, 583b, the 3rd gear pair 589a, 589b and planetary gearsets.Planetary gearsets comprise a rotating shaft 587, be rotationally sleeved on the planet carrier 584 in rotating shaft 587, the multiple planetary gears 585 be installed in rotation on planet carrier 584, can around the shaft 587 the planetary ring gear 586 of axis rotation and a sun gear 587a being coaxially fixedly connected with rotating shaft 587.The gear wheel 582a of the first described gear pair is coaxially fixedly connected with output shaft 581, the pinion 582b of the first gear pair is coaxially fixedly connected with the gear wheel 583a of the second gear pair, the pinion 583b of the second gear pair is coaxially fixedly connected with the planet carrier 584 of planetary gearsets, the gear wheel 589a of the 3rd gear pair is coaxially fixedly connected with the sun gear 587a of star gear train, and the pinion 589b of the 3rd gear pair is coaxially fixedly connected with the motor shaft of motor 57; The sun gear 587a of described planetary gearsets engages with multiple planetary gear 585 simultaneously, and multiple planetary gear 585 engages with the internal gear 586a of planetary ring gear 586 simultaneously.Being coaxially fixedly connected with here refers to that two parts rotated are fixedly connected with in coaxial mode, and after being fixedly connected with, their gyroaxis is same axle.
See Fig. 1 to Fig. 5, two vertical bevel gear 52 are arranged on same transversal line X--X respectively by respective lateral shaft supporting device 59, and namely the rotational axis line of two vertical bevel gear 52 is concentric, and arranges along the axis of transversal line X--X.The concrete structure of lateral shaft supporting device 59 can have multiple, a kind of preferred scheme is as shown in Figure 3: described lateral shaft supporting device 59 comprises transverse axis 59a and axle supporting 59b, transverse axis 59a supports 59b with revolute pair mode and axle and is connected, transverse axis 59a is coaxially connected with vertical bevel gear 52, namely be coaxially connected with transverse axis 59a by the connection of this revolute pair mode and vertical bevel gear 52, make the gyroaxis of vertical bevel gear 52 be exactly transverse axis 59a, and vertical bevel gear 52 only have a degree of freedom of rotating; Axle supporting 59b is fixedly connected with the cap of reduction box 58 or one-body molded.The utility model adopts such structure easily to obtain desirable assembly precision.Rocker arm 51 is connected linkage by link gear 40 with push rod 4, namely not only realizes the connection between Rocker arm 51 and push rod 4 by link gear 40, but also realizes the mutual interlock between Rocker arm 51 and push rod 4.Link gear 40 concrete structure can have multiple, a kind of preferred scheme is as shown in Figure 5: described link gear 40 comprises inner support 4d and axle 4c, and the spliced eye 51a being arranged on the first axis hole 4e on inner support 4d, the second axis hole 4b be arranged on push rod 4, being arranged on the rocking handle 4a on push rod 4 and being arranged on Rocker arm 51, described axle 4c is connected with the first axis hole 4e, the second axis hole 4b and forms revolute pair structure, namely makes push rod 4 only have a degree of freedom of rotating by this revolute pair.Be provided with spacing between described rocking handle 4a and the second axis hole 4b and form rocker structure, namely rocking handle 4a can rotate around axle 4c.Rocking handle 4a on push rod 4 and the spliced eye 51a socket connection on Rocker arm 51, inner support 4d is fixedly connected on base plate 1, can certainly be fixedly connected on the shell of execution switch 3, particularly when support 4d as shown in Figure 1 also has the function of fixing execution switch 3, support 4d is fixedly connected with base plate 1 with the shell performing switch 3 simultaneously.As can be seen here, the drive connection of two vertical bevel gear 52 respectively and between the operating grip of respective execution switch 3 is: because two vertical bevel gear 52 have with two Rocker arm 5s 1 relation of being fixedly connected with respectively, so, when vertical bevel gear 52 is rotated around transverse axis 59a, vertical bevel gear 52 drives Rocker arm 51 to rotate around transverse axis 59a; Due to the rocking handle 4a on push rod 4 and the spliced eye 51a socket connection on Rocker arm 51, push rod 4 and Rocker arm 51 link, so the rotating drive push rod 4 of Rocker arm 51 rotates around axle 4c; Due to push rod 4 and being connected, so the operating grip that the rotating drive of push rod 4 performs switch 3 rotates of operating grip performing switch 3.Certainly, on the contrary above-mentioned drive connection also set up.
The mounting structure of the output shaft 581 of transmission mechanism 5 can have multiple implementation, one is preferably: described output shaft 581 is arranged in the cap (not shown) of reduction box 58 in revolute pair mode, and the axis Y-Y of output shaft 581 is vertical with described transversal line X-X and crossing.Revolute pair described herein, refer to that output shaft 581 only has a rotational freedom after installing, it can adopt known structure to realize.The axis Y-Y also crossing structure vertical with described transversal line X-X of output shaft 581, the horizontal bevel gear 55 be fixed on output shaft 581 can be engaged with two vertical bevel gear 52, but this engagement need meet following drive connection: described horizontal bevel gear 55 can only drive a rotation in two vertical bevel gear 52 in turn.The object setting up this drive connection is, automatic change-over can be made to realize aforesaid three kinds of operating states, and the concrete structure realizing this drive connection can have multiple, a kind of preferred structure is: described horizontal bevel gear 55 is less than or equal to the not all gear of half circumference for driving cog distributes; When two execution switches 3 are all in gate-dividing state, horizontal bevel gear 55 does not all engage with two vertical bevel gear 52 or all not exclusively engages; When horizontal bevel gear 55 engages completely with one of them vertical bevel gear 52, then another vertical bevel gear 52 does not engage with horizontal bevel gear 55.Should understand: when the driving cog distribution of horizontal bevel gear 55 is less than half circumference, when two execution switches 3 are all in gate-dividing state, horizontal bevel gear 55 does not all engage with two vertical bevel gear 52, and namely the tooth of horizontal bevel gear 55 does not all contact with the tooth of two vertical bevel gear 52, when the driving cog distribution of horizontal bevel gear 55 equals half circumference, when two execution switches 3 are all in gate-dividing state, horizontal bevel gear 55 not exclusively engages with two vertical bevel gear 52, though namely the tooth of horizontal bevel gear 55 can contact with the tooth of two vertical bevel gear 52, but the contact of whole tooth can not be realized, if rotate horizontal bevel gear 55 under the state that this not exclusively engages, then horizontal bevel gear 55 is while entering engage completely with one of them vertical bevel gear 52, incomplete engagement (namely not engaging with another vertical bevel gear 52) is departed from another vertical bevel gear 52.Thus, under two execution switches 3 are all in gate-dividing state, if rotate the handle 6 of automatic change-over as shown in Figure 1, horizontal bevel gear 55 can only drive a vertical bevel gear 52 to rotate, and two vertical bevel gear 52 can not be driven to rotate, thus stop the danger that two execution switches 3 close a floodgate simultaneously simultaneously.
The operation principle of clutch under different operating mode is further illustrated below in conjunction with Fig. 4, Fig. 6.
Electric operating principle and process:
Applying pumping signal by giving electromagnetic actuator device 588 makes push rod 588a arrive extended position, the outer end of push rod 588a contacts with boss 586b and limits the rotation of planetary ring gear 586, automatic change-over is made to enter electric operation mode, motor 57 starts in such a mode, the motor shaft of motor 57 drives the pinion 589b of the 3rd gear pair on it to rotate, pinion 589b drives the gear wheel 589a of the 3rd gear pair to rotate, gear wheel 589a drives sun gear 587a to rotate, sun gear 587a drives the multiple planetary gears 585 on planet carrier 584 to rotate, because planetary gear 585 engages with the internal gear 586a of planetary ring gear 586, and planetary ring gear 586 can not rotate by push rod 588a limits, therefore, the rotating drive planet carrier 584 of planetary gear 585 rotates, the rotation of planet carrier 584 drives the pinion 583b of the second gear pair on it to rotate, pinion 583b drives the gear wheel 583a of the second gear pair to rotate, the rotation of gear wheel 583a drives rotates with the pinion 582b of its first gear pair be coaxially fixedly connected with, pinion 582b drives the gear wheel 582a of the first gear pair to rotate, the rotation of gear wheel 582a drives output shaft 581 to rotate, the rotation of output shaft 581 drives horizontal bevel gear 55 to rotate, rotating drive vertical bevel gear 52 of horizontal bevel gear 55 is rotated, the operating grip that place Rocker arm 51 and push rod 4 promote the execution switch 3 at place that rotates through of this vertical bevel gear 52 performs combined floodgate/sub-switching operation.
Manual operation principle and process:
Pumping signal is removed by giving electromagnetic actuator device 588, push rod 588a is made to arrive retracted position, so, the outer end of push rod 588a is removed with boss 586b and is contacted, planetary ring gear 586 can freely rotate, thus make automatic change-over enter manual operation mode, in such a mode, turning handle 6, handle 6 drives output shaft 581 to rotate, the rotation of output shaft 581 drives horizontal bevel gear 55 to rotate, rotating drive vertical bevel gear 52 of horizontal bevel gear 55 is rotated, the operating grip that place Rocker arm 51 and push rod 4 promote the execution switch 3 at place that rotates through of this vertical bevel gear 52 performs combined floodgate/sub-switching operation.The rotation of output shaft 581 drives the gear wheel 582a of the first gear pair to rotate simultaneously, gear wheel 582a drives the pinion 582b of the first gear pair to rotate, the rotation of pinion 582b drives rotates with the gear wheel 583a of its second gear pair be coaxially fixedly connected with, gear wheel 583a drives the pinion 583b of the second gear pair to rotate, the rotation of pinion 583b drives planet carrier 584, because planetary ring gear 586 can freely rotate, so planet carrier 584 can drive planetary ring gear 586 to rotate, but sun gear 587a can not be driven to rotate, sun gear 587a does not make the 3rd gear pair 589a by driving, 589b and motor shaft are not driven, namely in During manual operation, sun gear 587a, the gear wheel 589a of the 3rd gear pair and pinion 589b and motor 57 do not rotate.
Transmission mechanism 5 of the present utility model has interlock, for while realizing mechanical interlocking, providing the electric signal triggering open position, making when there is the neglected loading of mechanical interlocking part, and the product verification on production line can directly find.Described interlock can be polytype, but the existing typical transmission mechanism with mechanical interlocking, its securing rod is arranged on fixed mount, and fixed mount is for arranging hand-operated rotating shaft, contact, the common frame of multiple parts such as spring, owing to not there is interaction relation between securing rod and hand-operated rotating shaft, cause the inconvenience operated thus, namely, must first unlock before manual operation, must lock again after manual operation, and the operation unlocking/lock not only bothers, but also the potential safety hazard of slipping up and bringing of locking may be caused, securing rod disappearance (as neglected loading) ND safety and hidden danger of quality problem are there is in actual use.But if above-mentioned trouble and hidden danger will be got rid of, must increase and set up the necessary mechanism of interaction relation between securing rod and hand-operated rotating shaft, complex structure, Installation and Debugging difficulty, production efficiency is low, manufacturing cost is high problem can be caused again.Therefore the preferred interlock of the utility model is following scheme:
Described transmission mechanism 5 has interlock, for while realizing mechanical interlocking, there is provided the electric signal triggering open position, the mode that described interlock comprises being fixedly connected with is sleeved on the fork 56 on the output shaft 581 of transmission mechanism 5, the land plateau 52a be separately positioned in two vertical bevel gear 52; When two execution switches 3 are all in gate-dividing state, fork 56 is centered at the position between two land plateau 52a in two vertical bevel gear 52 of both sides, and fork 56 is removed with two land plateau 52a at this middle position place simultaneously and coordinated; The vertical bevel gear 52 of ordering about side at rotary output axis 581 is rotated and makes the execution switch 3 of this side enter into the process of "on" position, fork 56 rotates with output shaft 581 and arrives the land plateau 52a position of the vertical bevel gear 52 of opposite side, and fork 56 coordinates with this land plateau 52a and limits the rotation of the vertical bevel gear 52 of this opposite side on this position.Or
According to another embodiment of the present utility model: described transmission mechanism 5 has interlock, for while realizing mechanical interlocking, there is provided and trigger the electric signal of open position, the mode that described interlock comprises being fixedly connected with is sleeved on fork 56 on the output shaft 581 of transmission mechanism 5, be separately positioned on land plateau 52a in two vertical bevel gear 52 and optoelectronic switch 54; When two execution switches 3 are all in gate-dividing state, fork 56 is centered at the position between two land plateau 52a in two vertical bevel gear 52 of both sides, and fork 56 is removed with two land plateau 52a simultaneously coordinated and the light signal of shading light electric switch 54 on this middle position; The vertical bevel gear 52 of ordering about side at rotary output axis 581 is rotated and makes the execution switch 3 of this side enter into the process of "on" position, fork 56 rotates with output shaft 581 and arrives the land plateau 52a position of the vertical bevel gear 52 of opposite side, fork 56 coordinates the rotation of the vertical bevel gear 52 limiting this opposite side with this land plateau 52a on this position, and fork 56 removes blocking the light signal of optoelectronic switch 54.
In above-mentioned two kinds of embodiments by providing a kind of effective mechanical interlocking scheme, while realizing interlock, the electric detection signal of a product open position also can be provided, when there is the neglected loading of mechanical interlocking part, product verification can directly find, properties of product are stablized and are reduced cost, thus define the automatic change-over with clutch and interlock dual-use function.
See Fig. 2,3,7 and 8, the mode that described interlock comprises being fixedly connected with is sleeved on fork 56 on output shaft 581, be separately positioned on land plateau 52a in two vertical bevel gear 52 and optoelectronic switch 54.When two execution switches 3 are all in gate-dividing state, fork 56 is centered at the position (as shown in Figures 2 and 3) between two land plateau 52a in two vertical bevel gear 52, fork 56 is removed with two land plateau 52a is simultaneously coordinated on this middle position, and the light signal of shading light electric switch 54, i.e. fork 56 and two the land plateau 52a matching relationship that all comes in contact or stop, to make to allow any one (only one) in two execution switches 3 to perform closing operation in this condition, the simultaneously matching relationship that blocks of fork 56 and optoelectronic switch 54.The vertical bevel gear 52 of ordering about side at rotary output axis 581 is rotated, and make the execution switch 3 of this side enter into the process of "on" position, fork 56 rotates with output shaft 581 and arrives the land plateau 52a position (as shown in Figure 7 and Figure 8) of the vertical bevel gear 52 of opposite side, fork 56 coordinates the rotation of the vertical bevel gear 52 limiting this opposite side with this land plateau 52a on this position, and fork 56 removes blocking the light signal of optoelectronic switch 54, namely coordinated the rotation of the vertical bevel gear 52 limiting place with the stop of the land plateau 52a at place by this fork 56, thus rotate to combined floodgate direction while of further limit two vertical bevel gear 52, eliminate the possibility that two vertical bevel gear 52 are rotated to combined floodgate direction simultaneously in other words further, namely mechanical interlocking is achieved.As can be seen here, the advantage of interlock of the present utility model is: no matter under electric operation mode or manual operation mode, the action of mechanical interlocking is all automatically complete with the rotation of output shaft 581, without the need to increasing extra interlocked operation as prior art, not only greatly facilitate operation, the more important thing is the safety and reliability substantially increasing operation.The light signal of optoelectronic switch 54 not only can identify and show automatic change-over and be in power supply state or state of stopping power supply by via controller 7, but also whether identifiable design and detection fork 56 lack or lost efficacy in assembling, whether normally namely can automatically identify and detect interlock, thus safe class and the functional reliability of automatic control switch product can be improved.Certainly, when default optoelectronic switch 54, do not affect the normal work of automatic control switch.Under the execution mode of default optoelectronic switch 54: the land plateau 52a that the mode that described interlock comprises being fixedly connected with is sleeved on the fork 56 on output shaft 581 and is separately positioned in two vertical bevel gear 52.When two execution switches 3 are all in gate-dividing state, fork 56 is centered at the position between two land plateau 52a in two vertical bevel gear 52 of both sides, and fork 56 is removed with two land plateau 52a simultaneously coordinated on this middle position; The vertical bevel gear 52 of ordering about side at rotary output axis 581 is rotated and makes the execution switch 3 of this side enter into the process of "on" position, fork 56 rotates with output shaft 581 and arrives the land plateau 52a position of the vertical bevel gear 52 of opposite side, and fork 56 coordinates with this land plateau 52a and limits the rotation of the vertical bevel gear 52 of this opposite side on this position.Obviously, if default optoelectronic switch 54, then automatic control switch product interlock and interlocking action all unaffected.
The foregoing is only preferred embodiment of the present utility model, all technical equivalences made according to the utility model claim change and amendment, all should be considered as within covering scope of the present utility model.Another selectable advantageous scheme of such as transmission mechanism 5 as shown in Figure 3 is, described transmission mechanism 5 also comprises two spring 51b, their one end is connected with Rocker arm 51 respectively, their other end is connected with the cap of reduction box 58 respectively, does not certainly get rid of the equivalent situation on other part (as axle supporting 59b) on the cap being fixedly connected on reduction box 58.Adopt spring 51b, electric operating and manually operated service speed can being reduced on the impact of combined floodgate/opening velocity performing switch 3, being conducive to improving the breaking capacity to performing switch 3.
Claims (9)
1. one kind has the automatic change-over of clutch function, comprise base plate (1), two are fixed on the execution switch (3) on base plate (1), two push rods (4) linked with the operating grip of each described execution switch (3) respectively, transmission mechanism (5), controller (7) and clutch, described transmission mechanism (5) comprises motor (57), with the output shaft (581) of the handle (6) of automatic change-over, for the reduction box (58) of transmission between motor (57) and output shaft (581), be fixedly mounted on the horizontal bevel gear (55) on output shaft (581), two vertical bevel gear (52) and two rocking arms (51) be fixedly connected with each vertical bevel gear (52) respectively with horizontal bevel gear (55) respectively with drive connection, two described vertical bevel gear (52) are arranged on same transversal line X--X respectively by respective lateral shaft supporting device (59), described rocking arm (51) is connected linkage by a link gear (40) with described push rod (4), described reduction box (58) comprises planetary gearsets and multipair gear pair, it is characterized in that:
Described clutch have be arranged on described planetary gearsets planetary ring gear (586) on selective lock structure, this structure comprises an electromagnetic actuator device (588) be fixedly mounted in reduction box (58), a push rod (588a) that can move linearly and at least one boss (586b) be arranged on the outer circle of described planetary ring gear (586), the boss (586b) of described push rod (588a) only under electromagnetic actuator device (588) drives described in interference, planetary ring gear (586) is locked, and when manpower manual operates, described planetary ring gear (586) is free to rotate, realize the clutch of transmission mechanism (5) and motor (57) when manpower manual operates.
2. the automatic change-over with clutch function according to claim 1, is characterized in that: described boss (586b) is arranged on the external cylindrical surface (586c) of planetary ring gear (586) in the mode of circumference uniform distribution; Described push rod (588a) has extended position and the stable location status of retracted position two, and the conversion realized under the driving of electromagnetic actuator device (588) between extended position and retracted position, under the state that push rod (588a) is in extended position, the outer end of push rod (588a) contacts with boss (586b), and stops the rotation of restriction planetary ring gear (586) with this; And under the state being in retracted position at push rod (588a), the outer end of push rod (588a) does not contact with boss (586b), and removes the limit rotation to planetary ring gear (586) with this.
3. the automatic change-over with clutch function according to claim 1, it is characterized in that: the output shaft (581) of described transmission mechanism (5) is arranged in revolute pair mode on the cap of reduction box (58), the axis Y-Y of output shaft (581) is vertical with described transversal line X-X and crossing.
4. the automatic change-over with clutch function according to claim 1, it is characterized in that: described transmission mechanism (5) also comprises two springs (51b), their one end is connected with described rocking arm (51) respectively, and their other end is connected with the cap of described reduction box (58) respectively.
5. the automatic change-over with clutch function according to claim 1, it is characterized in that: described reduction box (58) comprises the first gear pair (582a, 582b), second gear pair (583a, 583b), 3rd gear pair (589a, 589b) and planetary gearsets, described planetary gearsets comprises a rotating shaft (587), be sleeved on the planet carrier (584) in rotating shaft (587) rotationally, be installed in rotation on the multiple planetary gears (585) on planet carrier (584), can the planetary ring gear (586) of the axis rotation of (587) and a sun gear (587a) being coaxially fixedly connected with rotating shaft (587) around the shaft.
6. the automatic change-over with clutch function according to claim 5, it is characterized in that: the gear wheel (582a) of the first described gear pair is coaxially fixedly connected with output shaft (581), the pinion (582b) of the first gear pair is coaxially fixedly connected with the gear wheel (583a) of the second gear pair, the pinion (583b) of the second gear pair is coaxially fixedly connected with the planet carrier (584) of planetary gearsets, the gear wheel (589a) of the 3rd gear pair is coaxially fixedly connected with the sun gear (587a) of star gear train, the pinion (589b) of the 3rd gear pair is coaxially fixedly connected with the motor shaft of motor (57).
7. the automatic change-over with clutch function according to claim 5, it is characterized in that: the sun gear (587a) of described planetary gearsets engages with multiple planetary gear (585) simultaneously, multiple planetary gear (585) engages with the internal gear (586a) of planetary ring gear (586) simultaneously.
8. the automatic change-over with clutch function according to claim 1, is characterized in that:
Described horizontal bevel gear (55) is less than or equal to the not all gear of half circumference for driving cog distributes; Described horizontal bevel gear (55) is that horizontal bevel gear (55) can only drive one in two vertical bevel gear (52) to rotate in turn with the drive connection of two vertical bevel gear (52);
When two execution switches (3) are all in gate-dividing state, horizontal bevel gear (55) and two vertical bevel gear 52) all do not engage or all not exclusively engage;
When horizontal bevel gear (55) engages completely with one of them vertical bevel gear (52), then another vertical bevel gear (52) does not engage with horizontal bevel gear (55).
9. the automatic change-over with clutch function according to claim 1, it is characterized in that: described link gear (40) comprises inner support (4d) and axle (4c), be arranged on inner support 4d) on axis hole (4e), be arranged on the second axis hole (4b) on push rod (4), the spliced eye (51a) being arranged on the rocking handle (4a) on push rod (4) and being arranged on rocking arm (51), described axle (4c) and axis hole (4e), second axis hole (4b) connects and forms revolute pair structure, rocking handle (4a) on described push rod (4) and be provided with between the second axis hole (4b) distance and form rocker structure, described rocking handle (4a) and spliced eye (51a) socket connection on rocking arm (51), inner support (4d) is fixedly connected on base plate (1) and/or performs on the shell of switch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505492.5U CN204117879U (en) | 2014-09-03 | 2014-09-03 | A kind of automatic change-over with clutch function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505492.5U CN204117879U (en) | 2014-09-03 | 2014-09-03 | A kind of automatic change-over with clutch function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204117879U true CN204117879U (en) | 2015-01-21 |
Family
ID=52335167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420505492.5U Withdrawn - After Issue CN204117879U (en) | 2014-09-03 | 2014-09-03 | A kind of automatic change-over with clutch function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204117879U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240984A (en) * | 2014-09-03 | 2014-12-24 | 浙江正泰电器股份有限公司 | Automatic change-over switch with disengaging and engaging functions |
| CN111341608A (en) * | 2020-02-27 | 2020-06-26 | 福建省三星电气股份有限公司 | Circuit breaker integrated with electric operating mechanism |
| CN111997398A (en) * | 2020-08-24 | 2020-11-27 | 安徽云企装饰工程有限公司 | Wall surface clearing device convenient for absorbing dust |
| CN112078256A (en) * | 2020-10-22 | 2020-12-15 | 宁波得力科贝技术有限公司 | Clutch mechanism and paper feeding structure of printer applying clutch mechanism |
-
2014
- 2014-09-03 CN CN201420505492.5U patent/CN204117879U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240984A (en) * | 2014-09-03 | 2014-12-24 | 浙江正泰电器股份有限公司 | Automatic change-over switch with disengaging and engaging functions |
| CN104240984B (en) * | 2014-09-03 | 2016-08-17 | 浙江正泰电器股份有限公司 | A kind of automatic change-over with clutch function |
| CN111341608A (en) * | 2020-02-27 | 2020-06-26 | 福建省三星电气股份有限公司 | Circuit breaker integrated with electric operating mechanism |
| CN111997398A (en) * | 2020-08-24 | 2020-11-27 | 安徽云企装饰工程有限公司 | Wall surface clearing device convenient for absorbing dust |
| CN112078256A (en) * | 2020-10-22 | 2020-12-15 | 宁波得力科贝技术有限公司 | Clutch mechanism and paper feeding structure of printer applying clutch mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204117876U (en) | A kind of double power supply automatic transfer switch | |
| CN104240984A (en) | Automatic change-over switch with disengaging and engaging functions | |
| CN204117879U (en) | A kind of automatic change-over with clutch function | |
| CN203807800U (en) | Retarding clutch for washing machine | |
| CN205104720U (en) | Two feet - tripod changeover plug | |
| CN103334665A (en) | Dual-drive switcher of transmission mechanism of blind window | |
| CN201057622Y (en) | Isolating/grounding switch of totally enclosed combined electrical apparatus | |
| CN103177901B (en) | A kind of three-position switch operation mechanism | |
| CN104485250A (en) | Three-position operating mechanism and transmission shaft thereof | |
| CN203607267U (en) | A double power supply automatic change-over switch transmission mechanism and a double power supply automatic change-over switch | |
| CN104658777A (en) | Automatic transfer switch transmission mechanism | |
| CN202228660U (en) | Control mechanism for gearbox | |
| CN204303649U (en) | A kind of three station operating mechanisms and power transmission shaft thereof | |
| CN203055708U (en) | Electric operating mechanism for isolation switch | |
| CN103606473B (en) | New gear drive dual operation hole interrupter | |
| CN204760252U (en) | Automatic circuit breaker electric operating mechanism of separation and reunion | |
| CN207663979U (en) | A kind of three-position switch operation mechanism | |
| CN203596287U (en) | Novel gear-drive dual-operation-hole isolation mechanism | |
| CN204732311U (en) | There is the electric operating mechanism of circuit-breaker of two-way automatic clutch function | |
| CN105070553A (en) | Breaker electrically-operated mechanism with bidirectional automatic clutch function | |
| CN204179042U (en) | A kind of clutch of miniature circuit breaker reclosing device | |
| CN205938089U (en) | Planetary gear structure's part gyration electric actuator | |
| CN204858866U (en) | Speed reduction control device of air circuit breaker motor | |
| CN102842442B (en) | On-load switch electrically operated device | |
| CN114655795A (en) | Transformer substation master control room auxiliary construction equipment with rotary wire coils |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |