CN109545590A - A kind of operating mechanism of dual-power transfer switch - Google Patents
A kind of operating mechanism of dual-power transfer switch Download PDFInfo
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- CN109545590A CN109545590A CN201910023748.6A CN201910023748A CN109545590A CN 109545590 A CN109545590 A CN 109545590A CN 201910023748 A CN201910023748 A CN 201910023748A CN 109545590 A CN109545590 A CN 109545590A
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- connecting rod
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- spring
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- 230000007246 mechanism Effects 0.000 title claims abstract description 270
- 238000012546 transfer Methods 0.000 title claims abstract description 23
- 238000004146 energy storage Methods 0.000 claims abstract description 31
- 238000005299 abrasion Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 82
- 230000003068 static effect Effects 0.000 description 31
- 238000009434 installation Methods 0.000 description 23
- 230000000694 effects Effects 0.000 description 18
- 230000009471 action Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 210000003739 neck Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0016—Contact arrangements for tap changers
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A kind of operating mechanism of dual-power transfer switch, change-over switch includes operating mechanism and contact mechanism, contact mechanism has the first contact-closed position for making the first power supply close a floodgate, and the second contact-closed position for making second source close a floodgate, operating mechanism includes rack, output shaft and energy storage device；Output shaft includes with symmetrically arranged two output arms of its center of rotation, sliding slot is set on output arm, energy storage device includes two the first, second spring mechanisms set up separately in output shaft two sides, first, second spring mechanism is installed on output shaft two sides by output shaft pin shaft, output shaft pin shaft is placed in the sliding slot of two output arm of output shaft, feature: operating mechanism further includes the locating part being fixed on the rack, locating part acts on energy storage device, so that output shaft pivot pin is located at the end of the close output shaft center of rotation of sliding slot in the first, second contact-closed position.Operating mechanism will not cause lower link to skid off failure because of reasons such as closing rebound, contact abrasions；Contact opening velocity is faster.
Description
Technical field
The invention belongs to low voltage electrical apparatus technology fields, and in particular to a kind of operating mechanism of dual-power transfer switch.
Background technique
In many occasions, for example, hospital, finance, radio and television, radio station, military base and facility, airport, station, harbour,
The production industries such as harbour, customs, market, skyscraper and chemical and medicine industry, electronics and metallurgy, it usually needs ensure the company powered
Continuous property, therefore change-over switch is configured on the electrical control equipment of above-mentioned occasion, one or more is loaded by change-over switch
Circuit is switched to another power circuit from a power supply, so that it is guaranteed that the continuity of the safety of electric system and production.
Dual-power transfer switch includes operating mechanism and contact mechanism, and contact mechanism is driven by operating mechanism in the first power supply
It is acted between dynamic/static contact closed position and second source dynamic/static contact closed position, to realize the first power supply and second source
Between switching.Operating mechanism can guarantee that contact mechanism reliably closes a floodgate while driving contact mechanism movement, to electric system
Operation it is most important, if the contact pressure between the dynamic/static contact of contact system goes wrong, be easy to appear connection lose
Effect, switch work are unreliable；Contact resistance is high between dynamic/static contact, and dynamic thermal stability is poor, accelerates contact abrasion, reduces the contact longevity
Life, influences machine life；High resistance, high temperature rise lead to high power consumption, do not meet modern low-voltage electrical apparatus development trend.
Summary of the invention
Task of the invention lies in provide a kind of operation machine of simple, compact, the reliable dual-power transfer switch of structure
Structure can either guarantee there is enough dynamic/static contact pressure when closing a floodgate, so that electrical contact is stronger, it is more reliable to close a floodgate；Together
When, contact resistance is effectively reduced, improves contact, switch life, reduces power consumption.
The task of the present invention is in this way to complete: a kind of operating mechanism of dual-power transfer switch, the dual power supply turn
Changing switch includes operating mechanism and contact mechanism, and the contact mechanism has the first contact closure position for making the first power supply close a floodgate
Set, make second source close a floodgate the second contact-closed position, the operating mechanism include rack, be arranged on the rack and with touching
The output shaft and energy storage device of head mechanism connection, the energy storage device movement drive output shaft movement to make contact mechanism exist
It is rotated between first contact-closed position and the second contact-closed position；The output shaft includes symmetrically being set with its center of rotation
Two output arms set, offer a sliding slot on each output arm, the energy storage device include two be separately positioned on it is defeated
Shaft two sides and identical first spring mechanism of structure and second spring mechanism, first spring arrangement and second spring machine
Structure passes through output shaft pin shaft respectively and is installed on output shaft two sides, and the output shaft pin shaft is placed in the sliding slot of two output arm of output shaft
Middle sliding, the operating mechanism further include the locating part being fixed on the rack, and the locating part acts on energy storage device, makes
It obtains in the first contact-closed position and the second contact-closed position, the output shaft pivot pin is located at the close output shaft of sliding slot
The end of center of rotation.
In a specific embodiment of the invention, first spring mechanism and second spring mechanism include upper
Connecting rod, lower link, on/off switch lever and energy-stored spring, the upper connecting rod and on/off switch lever are hubbed in rack, described
Lower link one end and upper connecting rod are hinged, and the other end is set in the sliding slot of output shaft by output shaft pin slide, described
Energy-stored spring one end connect with on/off switch lever, the other end and the hinged axis connection that upper connecting rod and lower link is hinged, described
The rotation of on/off switch lever makes energy-stored spring energy storage, and the energy-stored spring releases energy to drive upper connecting rod and lower link dynamic
Make, so that output shaft be driven to rotate.
In another specific embodiment of the invention, the locating part includes connecting under a pair being fixed on the rack
Bar limit shaft, it is extended on the lower link to have lower link transverse slat, in the first contact-closed position and the second contact-closed position
When, the lower link limit shaft acts on the lower link transverse slat of corresponding lower link, and output shaft pivot pin is made to be located at sliding slot
Close output shaft center of rotation end.
In another specific embodiment of the invention, the stored energy mechanism further includes first be fixed on the rack
Drive electromagnet and the second drive electromagnet, first drive electromagnet and the second drive electromagnet correspond respectively to first
Spring mechanism and second spring mechanism, first drive electromagnet and the second drive electromagnet respectively with the first spring mechanism
On/off switch lever connected with the on/off switch lever in second spring mechanism.
In another specific embodiment of the invention, the operating mechanism further include connection the first spring mechanism and
The connecting rod of second spring mechanism, the connecting rod connect the on/off switch lever of the first spring mechanism and the conjunction point of second spring mechanism
Brake lever rod.
In a specific embodiment in turn of the invention, the operating mechanism further includes a locker, described
Locker be fixed on the rack and be located between the first spring mechanism and second spring mechanism, the described locker difference
Act on the upper connecting rod of the first spring mechanism and the upper connecting rod of second spring mechanism, when locker simultaneously with the first spring mechanism
Upper connecting rod and the upper connecting rod of second spring mechanism when keeping locking, the energy storage device drives output shaft to rest on the first touching
Middle position between head closed position and the second contact-closed position.
Of the invention again and in a specific embodiment, the locating part includes the groove being arranged on the rack,
The end of the output shaft pin shaft extends to the rack, in the first contact-closed position and the second contact-closed position
When, the groove acts on corresponding output shaft pin shaft, and output shaft pin shaft is made to be located at the close output shaft rotation of sliding slot
The end at center.
The present invention due to one of after adopting the above structure, having the advantage that, by the first spring mechanism or second
Setting prevents lower link from skidding off on the inside of the close output shaft center of rotation of the sliding slot of output shaft on spring mechanism closing position
Lower link limit shaft, make operating mechanism will not cause because of reasons such as closing rebound, contact abrasions lower link slide and it is final
Contact over travel pressure is caused to reduce；Two, due to being provided with lower link limit shaft so that lower link is during switching separating brake,
Lower link and the hinged output shaft pin shaft of output shaft are constantly on the inside of output shaft sliding slot, until separating brake in place after just out of sliding slot
It breaks away out, so that contact opening velocity is faster.
Detailed description of the invention
Fig. 1 is switch housing of the present invention and operating mechanism decomposition diagram.
Fig. 2 is operating mechanism perspective view side view diagram of the present invention.
Fig. 3 is another side view of operating mechanism perspective view of the present invention.
Fig. 4 is locker installation diagram in operating mechanism of the present invention.
Fig. 5 is operating mechanism exploded view of the present invention.
Fig. 6 a is drive electromagnet exploded view of the present invention.
Fig. 6 b is the fixed bracket figure of drive electromagnet of the present invention.
Fig. 6 c is the present invention for connecting the electromagnet link diagram of drive electromagnet and on/off switch lever.
Fig. 6 d is on/off switch lever diagram of the present invention.
Fig. 6 e is upper connecting rod figure of the present invention.
Fig. 6 f is lower link figure of the present invention.
Fig. 6 g is output shaft figure of the present invention.
Fig. 6 h is manual lever figure of the present invention.
Fig. 6 i is the first connecting rod figure in connecting rod of the present invention for connecting two on/off switch levers.
Fig. 7 a is locker exploded view of the present invention.
Fig. 7 b is the electromagnet exploded view of locker of the present invention.
Fig. 7 c is the fixed frame figure of locker of the present invention.
Fig. 7 d is the hasp figure of locker of the present invention.
Fig. 7 e is the lock figure of locker of the present invention.
Fig. 7 f is another implementation example figure of hasp figure of locker of the present invention.
Fig. 7 g is another implementation example figure installation diagram of lock figure of locker of the present invention.
Fig. 8 a is the first spring mechanism combined floodgate ready position (double quartiles are set) signal in three position switch of the present invention
Figure.
Fig. 8 b is the first spring mechanism closing position (the first power position) in three position switch of the present invention
Schematic diagram.
Fig. 8 c is the first spring mechanism closing position (the first power position) in three position switch of the present invention
Into second spring mechanism combined floodgate ready position (double quartiles are set) conversion process, the first spring mechanism separating brake crosses dead point schematic diagram.
Fig. 8 d is second spring mechanism combined floodgate ready position (double quartiles are set) signal in three position switch of the present invention
Figure.
Fig. 8 e is second spring mechanism closing position (second source on-position) in three position switch of the present invention
Schematic diagram.
Fig. 9 a is second spring mechanism closing position (second source on-position) in two position switch of the present invention
Schematic diagram.
Fig. 9 b is the first spring mechanism closing position (the first power position) in two position switch of the present invention
Schematic diagram.
Figure 10 a is the first spring mechanism closing position (the first power position) lower link limit shaft of the present invention
With the effect schematic diagram of lower link.
Figure 10 b is second spring mechanism of the present invention closing position (second source on-position) lower link limit shaft
With the effect schematic diagram of lower link.
In figure: 1. shells；2. operating mechanism；3. signaling switch；
21. rack, 211. side plates, 2111. output shaft centre bores, 2112. upper connecting rod pin shafts, 2113. on/off switch lever pins
Axis, 2114. upper connecting rod upper limit boss, 2115. drive electromagnet installation bases, 21151. bracket installation gaps, 21152. magnetic
Yoke locating notch, 2116. limit sliding chutes, 2117. on/off switch lever positive stop lug boss, 2118. locating shafts, 2119. locating locations are convex
Table top, 212. support shafts, 2120. on/off switch lever positive stop lug boss two, 2121. upper connecting rod lower limit axis, the limit of 2122. lower links
Axis；
22. the first spring mechanism, 221. upper connecting rods, 2211. upper connecting rod side plates, connects on 22111. 22 ' second spring mechanisms
Bar notch, 22112. upper connecting rod hinge holes, 22113. sliding confined planes, 22114. upper connecting rod limitation locking faces, 22115. upper limits
Under position striking face, 22116. lower limit striking faces, 2212. upper connecting rod transverse slats, 22121. upper connecting rods opening, 2213. baffles, 222.
Connecting rod, 2221. lower link side plates, 22211. lower link hinge holes, 22212. output shaft hinge holes, 2222. lower link transverse slats,
22221. lower links opening, 223. on/off switch levers, 2231. lever side plates, 22311. lever notches, 22312. pitman pins,
22313. electromagnet pitman pins, 2232. lever transverse slats, 22321. strip-shaped grooves, 22322. strip apertures, 2233. tops
Plate, 22331. plate top openings, 224. energy-stored springs, 225. pitman pins, 226. output shaft pin shafts, 227. energy-stored springs are fixed
Axis；
23. output shaft, 231. revolving bodies, 232. output arms, 2321. sliding slots, 233. square shafts, 234. installation axis platforms；
24. connecting rod, 241. first connecting rods, 2411. first transverse slats, 24111. on/off switch lever pin shaft holes, 2412. second cross
Plate, 24121. manual operation holes, 24122. driving plates, 241221. first driving boss, 242. second connecting rods, 2421., which are closed, to be divided
Brake lever rod pin shaft hole, 2422. second driving boss；
25. the first drive electromagnet, 25 ' second drive electromagnet, 251. dynamic iron cores, 2511. positive stop lug boss, 2512. pins
Axis hole, 252. static iron cores, 2521. steps, 253. coils, 254. magnetic yokes, 2541. magnetic yoke covers, 25411. magnetic yoke cover pilot holes,
25412. positioning convex platforms, 2542. magnetic yoke cover boards, 255. reset springs, 256. screwed pipes, 257. dynamic iron cores fixed bracket, 2571.
Bracket pilot hole, 25711. flanges, 2572. lower link positive stop lug boss, 2573. installation bases, 2574. fixing lug boss, 258. electricity
Magnet connecting rod, 2581. strip notches, 2582. hinge holes, 259. long pin shafts；
27. manual lever, 271. hinge holes, 272. manual operation holes；
28. locker, 281. fixed frames, 2811. fixed frame side plates, 28111. cabling channels, 28112. fixing lug boss faces,
281121. fixation holes, 28113. lugs, 281131. hasps installation pin shaft hole, 28114. lock installation pin shaft holes, 28115. peaces
Set plane, 2812. fixed frame transverse slats, 28121. fixed frame through-holes, 282. first snap close pieces, 282 ' second snap close pieces,
2821. hasps, 28211. lock shaft holes, 282110. pin shaft positive stop lug boss, 28212. trip rods, 28213. hasp bars, 282130.
Electronic trip rod, 282131. notches, 28214. positive stop lug boss, 282141. centre bores, 282142. lock confined planes, 28215.
Reset spring mounting groove, 2822. locks, 28221. gag lever posts, 282211. hasp confined planes, 2822111. limit end faces,
282212. openings, 28222. locking-bars, 282221. lock faces, 282222. limit end faces, 28223. fixed frame hinge holes,
2823. hasp reset springs, 2824. lock reset springs, 284. trigger electromagnets, 2841. static iron cores, 28411. stepped holes,
2842. dynamic iron cores, 28421. stepped holes, 2843. coils, 28431. coil racks, 284311. circle convex platforms, 2844. magnetic yokes,
28441. magnetic yoke covers, 28442. magnetic yoke cover boards, 284421. coil boss mounting holes, 2845. reset springs, 2846. push rods,
28461. plate-likes drive boss, 28462. long bolts, 285. pins, 286. pin shafts, 2861. necks.
Specific embodiment
It elaborates by way of examples in conjunction with attached drawing below, but is not to the present invention to the description of embodiment
The limitation of technical solution, the made only formal but not substantive equivalent transformation of any design according to the present invention is all
It should be regarded as technical solution of the present invention scope.
The concept of all directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description
On the basis of attached position shown in FIG. 1, thus it cannot be understood as being particularly limited to technical solution provided by the invention.
As shown in Figure 1, the present invention relates to a kind of operating mechanism of three position double power supply automatic transfer switch, described three
Setting double power supply automatic transfer switch includes shell 1, operating mechanism 2, not shown contact mechanism in signaling switch 3 and figure.Three
Dual-power transfer switch tool is set there are three position: the first power supply closing position, double quartiles set, second source closing position.It is described
Contact mechanism can be rotated between the first contact position, the second contact position and third contact position, when contact mechanism is located at
When the first contact position, automatic change-over be in the first power supply close a floodgate and second source gate-dividing state (i.e. the first power supply connects
It is logical)；When contact mechanism is located at the second contact position, automatic change-over is in the first power supply separating brake and second source separating brake shape
State (double quartiles are set)；When contact mechanism is located at the third place, automatic change-over is in second source and closes a floodgate and the first power supply
Gate-dividing state (i.e. second source connection).Operating mechanism can drive contact mechanism set in the first power supply closing position, double quartiles and
Second source closing position switches between three positions.The three position double power supply automatic transfer switch can be divided into manual mould
Formula, electric model and isolation mode, when manual mode, insertion handle is operated manually；When electric model, by switch controller
Control switch movement；When isolation mode, three position dual-power transfer switch are located at double quartiles and set, and switch does not allow to grasp manually
Work does not also allow electric operating, is used for Maintenance and Repair.The signaling switch 3 is used to feed back the state of automatic change-over, behaviour
Make mechanism 2 state and manual, electric mode selection case.
As shown in Figures 3 to 5, the operating mechanism 2 of three position of the present invention dual-power transfer switch, including rack
21, energy storage device, output shaft 23, manual lever 27 and locker 28, the energy storage device include the first spring mechanism
22, the first drive electromagnet 25, second spring mechanism 22 ', the second drive electromagnet 25 ' and the first spring mechanism 22 of connection and the
The connecting rod 24 of two spring mechanisms 22 '.First spring mechanism 22,22 ' structure of second spring mechanism are identical and are located at output
The left and right sides of axis 23, the rack 21 are a pair of side plates 211, and the front and rear sides of output shaft 23 are arranged in a pair of side plates 211
And it is connect respectively with output shaft 23；Output shaft 23 is connect with contact mechanism；First drive electromagnet 25 and the first spring mechanism 22
It is connected, the second drive electromagnet 25 ' is connected with second spring mechanism 22 '；Locker 28 is located at the first spring mechanism 22, second
The centre of spring mechanism 22 ', plays the role of trigger device, and manual lever 27, institute are provided on connecting rod 24 and rack 21
Opened up among the manual lever 27 stated manual operation hole 272, in a manual mode, user from outer side to manual operation hole 272
Middle insertion handle, manual actuation connecting rod 24 act, and the first spring mechanism of two sides 22, second spring mechanism 22 ' is driven to act energy storage,
Reach combined floodgate ready position；Under electric model, the controller control drive electromagnet of automatic change-over obtains electric, driving electromagnetism
Iron drives the spring mechanism energy storage of itself corresponding side, reaches combined floodgate ready position.After reaching combined floodgate ready position, at this point,
User can be acted, the release of driving spring mechanism by the trigger electromagnet in controller control locker 28 in automatic mode
Energy drives the contact mechanism of respective side to complete power supply and closes a floodgate；Also manual mode may be selected, press ready spring mechanism institute
Corresponding switch knob, driving spring mechanism release energy, and drive the contact mechanism of respective side to complete power supply and close a floodgate.
As shown in figure 5, the rack 21 includes the side plate 211 that two block structures are identical and install face-to-face, two blocks of side plates
211 middle part is provided with the output shaft centre bore 2111 for installing output shaft 23.
As shown in Figures 5 and 6 g, the output shaft 23 is preferably " V " character form structure, and the output shaft 23 includes revolution
Body 231 and with symmetrically arranged two output arms 232 of its center of rotation, the revolving body 231 is in the vertex of " V " font
Place, the radial symmetric of revolving body 231 are extended with two V-arrangement output arms 232, are provided with long waist shaped sliding slot on two V-arrangement output arms 232
2321, the intersection point of the center line of two long waist shaped sliding slots 2321 is preferentially using the center for passing through revolving body 231.The output shaft 23
Axial ends is provided with square shaft 233, and wherein the square shaft 233 of one end with signaling switch 3 for connecting, the square shaft of the other end
233, for connecting with contact mechanism, are provided with installation axis platform 234 between square shaft 233 and revolving body 231.The output shaft
23 both ends are hinged in the output shaft centre bore 2111 of side plate 211 by installing axis platform 234.
As shown in figure 5, first spring mechanism 22,22 ' structure of second spring mechanism is identical and is symmetricly set on defeated
23 two sides of shaft include a upper connecting rod 221, a lower link 222, an on/off switch lever 223, an energy-stored spring 224.
As shown in Figures 5 and 6 e, the upper connecting rod 221 is by two pieces of 2211 Hes of upper connecting rod side plate that are identical and installing face-to-face
One piece of upper connecting rod transverse slat 2212 forms, and two blocks of upper connecting rod side plates 2211 are symmetrical arranged with respect to upper connecting rod transverse slat 2212, connects on two
One end of bar side plate 2211 is provided with upper connecting rod notch 22111, and the other end is provided with upper connecting rod hinge hole 22112, in upper connecting rod
One end of hinge hole 22112 is along the circumferential direction outward extended with sliding confined planes 22113, sets in sliding 22113 lower part of confined planes
It is equipped with upper connecting rod limitation locking face 22114.Upper limit striking face 22115 is additionally provided in the upper connecting rod 221 and lower limit is hit
Hit face 22116, on the both side plate 211 of rack 21 positive stop lug boss or limit shaft cooperate, for limit upper connecting rod 221 rotation
Upper limit and lower limit.Two upper connecting rod side plates, 2211 outside of the upper connecting rod 221 is also stacked with and two upper connecting rod side plates
The identical baffle 2213 of 2211 contour structures.The baffle 2213 is fixed on upper connecting rod side plate 2211 by rivet or weld
On, for increasing the limit reliability in upper connecting rod limitation locking face 22114 Yu locker 28.The upper connecting rod transverse slat 2212
On be provided with upper connecting rod opening 22121, for close a floodgate when avoid energy-stored spring 224.
As shown in Figures 5 and 6 f, the lower link 222 is identical by two block structures and the lower link side plate installed face-to-face
2221 and one piece of lower link transverse slat 2222 form, two blocks of lower link side plates 2221 are symmetrical with respect to lower link transverse slat 2222 opposed,
The both ends of two lower link side plates 2221 are respectively arranged with lower link hinge hole 22211 and output shaft hinge hole 22212.The lower company
Lower link opening 22221 is provided on bar transverse slat 2222, for avoiding output shaft 23 in making process.
Such as Fig. 5 and Fig. 6 e, 6f, equally it is symmetrical arranged in 211 inside of a pair of side plates of rack 21 for being pivotally connected two upper connecting rods
221 upper connecting rod pin shaft 2112, two upper connecting rod pin shafts 2112 are located at the two sides of output shaft centre bore 2111.The upper connecting rod
Notch 22111 is articulated on the upper connecting rod pin shaft 2112, in upper connecting rod hinge hole 22112 and lower link hinge hole 22211
It is equipped with pitman pin 225 and realizes the hinged of upper and lower connecting rod 221,222, the output shaft hinge hole 22212 of lower link 222 and defeated
It is equipped with output shaft pin shaft 226 in the long waist shaped sliding slot 2321 of shaft 23, to realize the company of lower link 222 Yu output shaft 23
It connects.
As shown in Figures 5 and 6 d, the on/off switch lever 223 is identical by two block structures and the lever side plate installed face-to-face
2231, a lever transverse slat 2232 and a top plate 2233 composition, the top plate 2233 is extended by lever transverse slat 2232 and bending structure
At being connect by rivet or weld with two lever side plates 2231.Lever notch is provided on two blocks of lever side plates 2231
22311, the company being connected with connecting rod 24 is arranged in one end far from lever notch 22311 and close top plate 2233 in lever side plate 2231
The electromagnet link pin connecting with electromagnet is arranged in one end far from lever notch 22311 and top plate 2233 in lever pin axis 22312
Axis 22313.Strip-shaped groove 22321 and the strip through strip-shaped groove 22321 are provided on the lever transverse slat 2232
Shape aperture 22322, the strip-shaped groove 22321 is interior to be equipped with an energy-stored spring fixing axle 227, sets on the top plate 2233
It is equipped with plate top openings 22331.
As shown in Figures 5 and 6 d, the two sides on the lateral surface of two blocks of side plates 211 and positioned at output shaft centre bore 2111 are distinguished
It is symmetrically arranged with the on/off switch lever installation pin shaft 2113 for being pivotally connected on/off switch lever 223.The on/off switch lever 223 is logical
The lever notch 22311 crossed on both side plate is articulated on the on/off switch lever pin shaft 2113, then by energy-stored spring 224
After one end passes through the strip aperture 22322 on lever transverse slat 2232, it is affiliated to the energy storage bullet being mounted in strip-shaped groove 22321
In spring fixing axle 227, and the other end of energy-stored spring 224 is affiliated to the pitman pin 225 in upper connecting rod 221 and lower link 222
On, make energy-stored spring 224 in a pre-installation by the inside side to overturn of on/off switch lever 223 for the installation convenient for energy-stored spring 224
Two are affiliated to a little as close as possible to being able to achieve energy-stored spring 224 and install under drift, therefore on on/off switch lever 223
Top plate 2233 be not easy it is too long, prevent with rack 21 it is inconsistent after can not overturn.
Such as Fig. 5,6i, the connecting rod is divided into first connecting rod 241 and second connecting rod 242, and the first connecting rod 241 is by two
A orthogonal first transverse slat 2411 and the second transverse slat 2412 composition, first transverse slat 2411 and the second transverse slat 2412 are
For strip, 2411 both ends of the first transverse slat are provided with on/off switch lever pin shaft hole 24111, for connecting two on/off switch levers
223 lever side plate 2231.The manual operation hole of pluggable manual lever 27 is provided in the middle part of second transverse slat 2412
24121,2412 both ends of the second transverse slat constitute driving plate 24122, and the 24122 end side of driving plate is extended to be had for driving
First driving boss 241221 of the combined floodgate ready position indicator (not shown) of dynamic change-over switch.The second connecting rod
242 be a strip transverse slat, is symmetrically arranged with on/off switch lever pin shaft hole 2421 at transverse slat both ends, is provided in one end of transverse slat
Second for driving signal switch 3 drives boss 2422.
As shown in Figures 5 and 6 h, the manual lever 27 is strip square rod or pole.In the diameter of manual lever 27
Hinge hole 271 has been set up, the axial direction of manual lever 27 is provided with manual operation hole 272.
Such as Fig. 3 to Fig. 5, Fig. 6 d, 6i, by the on/off switch lever pin shaft hole at 2411 both ends of the first transverse slat of first connecting rod 241
24111 are each passed through the pitman pin of side on the on/off switch lever 223 in the first spring mechanism 22 and second spring mechanism 22 '
On 22312, the on/off switch lever pin shaft hole 2421 at 242 both ends of second connecting rod is each passed through the first spring mechanism 22 and the second bullet
The pitman pin 22312 of the other side on on/off switch lever 223 in spring mechanism 22 ', thus by the first spring mechanism 22 and second
On/off switch lever 223 in spring mechanism 22 ' is connected by first connecting rod 241, second connecting rod 242, two on/off switch levers
The hinge joint of center of rotation, connecting rod and two levers forms parallelogram sturcutre.By manual lever 27 with axial hole 272
One end is inserted into the manual operation hole 24121 of first connecting rod 241, and the hinge hole 271 on manual lever 27 is passed through side plate
On the locating shaft 2118 of 211 2111 upside of output shaft centre bore.
As shown in figure 5, being symmetrically arranged with support shaft 212 between both side plate 211, make to form hollow knot between both side plate
Structure, the support shaft 212 positioned at upside is upper connecting rod lower limit axis 2121, for the lower limit striking face 22116 with upper connecting rod 221
It matches；Support shaft 212 positioned at downside is lower link limit shaft 2122, for matching with lower link 222.The rack 21
211 upper edge of side plate at it is inwardly protruding be provided with upper connecting rod upper limit boss 2114, for the upper limit with upper connecting rod 221
Striking face 22115 cooperates.Certain above-mentioned upper connecting rod upper limit boss 2114 is not limited to above-mentioned utilization side plate 211 and projects composition,
Axis can be riveted on side plate 211 to realize, similarly, above-mentioned upper connecting rod lower limit axis 2121 can also be used side plate 211 and project structure
At all limit shafts for limit that is, of the present invention can be used side plate and project composition, all limit convexes of the present invention
Platform, which can be used, is riveted axis to realize.
Such as Fig. 5 and Fig. 6 a, 6b, 6c, 6d, first drive electromagnet 25 and the second drive electromagnet 25 ' are screwed pipe
Formula electromagnet, it includes a dynamic iron core 251, a static iron core that the two structure is identical and is symmetricly set on 23 two sides of output shaft
252, the fixed bracket 257 of a coil 253, a magnetic yoke 254, a reset spring 255, a screwed pipe 256, a dynamic iron core, a pair of of electromagnetism
Iron connecting rod 258 and a long pin shaft 259, the magnetic yoke 254 include magnetic yoke cover 2541 and magnetic yoke cover board 2542, and the two passes through riveting
Boss and riveted holes are riveted together.The magnetic yoke cover pilot hole for dynamic iron core guiding is offered at the top of the magnetic yoke cover 2541
25411,254 two sides of magnetic yoke are provided with positioning convex platform 25412, are coupled for the side plate 211 with rack 21.It is described
Magnetic yoke 254 is internally provided with dynamic iron core 251, static iron core 252, coil 253, reset spring 254 and screwed pipe 256, the dynamic iron
Core 251 is Step Shaft, is among it one section of positive stop lug boss 2511, the both ends of the positive stop lug boss 2511 are respectively that the diameter of axle is larger
Shaft part and the lesser shaft part of the diameter of axle, one end of the lesser shaft part of the diameter of axle is along being arranged radially pin shaft hole 2512, institute
The biggish shaft part of the diameter of axle stated is to being placed in static iron core 252.The static iron core 252 is installed on magnetic yoke cover board 2542, is processed thereon
There is step 2521.Described 255 one end of reset spring is resisted against on the positive stop lug boss 2511 of dynamic iron core 251, and the other end is resisted against quiet
On the step 2521 of iron core 252.The screwed pipe 256 is set in the outside of dynamic and static iron core 251,252, and screwed pipe material is non-magnetic
Material is provided with coil 253 on the outside of the screwed pipe 256.When coil 253 must be electric, static iron core 252 can attract dynamic iron core 251
It is moved to the direction close to 252 side of static iron core, when coil 253 powers off, dynamic iron core 251 can be in 255 spring force of reset spring
Under the action of moved to far from the direction of 252 side of static iron core.Dynamic iron core after being powered due to the drive electromagnet of side of the present invention
251 with static iron core 252 while be attracted, due to connecting rod 24, the dynamic iron core 251 and static iron core 252 of the drive electromagnet of the other side
Separation, therefore the present invention can also be not provided with reset spring 255.The fixed branch of dynamic iron core is fixedly installed with above the magnetic yoke cover 2541
Frame 257, the dynamic iron core fix the bracket pilot hole 2571 for being provided in the middle part of bracket 257 and being oriented to for dynamic iron core 251, and bracket is led
There is flange 25711 to the circumferential edge edge in hole 2571, the flange 25711 extends downwardly, and probes into magnetic yoke cover pilot hole 25411
It is interior, so that dynamic iron core 251 and magnetic yoke 254 is mutually isolated.One end of the fixed bracket 257 of dynamic iron core is provided with lower link limit
Position boss 2572.The fixed bracket 257 of the dynamic iron core it is opposite with the side for being provided with lower link positive stop lug boss 2572 another
It is provided on side for connecting the installation base 2573 of line terminals inserting for N, for three-phase dual-power transfer switch, controller
N phase take the connecting terminal of electric wire and the 2573 phase inserting of installation base.Fixed 257 two sides of bracket of the dynamic iron core are provided with solid
Determine boss 2574, is coupled for the side plate 211 with rack 21.The first driving electromagnetism 25, the second drive electromagnet
25 ' are separately fixed on the drive electromagnet installation base 2115 at 211 both ends of side plate, the positioning convex platform in the magnetic yoke 254
In the magnetic yoke locating notch 21152 of 25412 insertion installation bases 2115, the fixing lug boss 2574 in dynamic iron core mounting bracket 257
It is resisted against on the bracket installation gap 21151 of drive electromagnet installation base 2115, and convex across electromagnet installation by screw
Fixation hole on platform 2115 is screwed into four screw holes being distributed in around magnetic yoke cover pilot hole 25411, realizes the first driving electromagnetism
The installation of iron 25, the second drive electromagnet 25 ' is fixed.A pair of of electromagnet connecting rod 258 is strip cyclic structure, in ring
One end setting of the strip notch 2581 of shape is greater than the hinge hole 2582 of width of rebate.A pair of of electromagnet connecting rod 258
One end be set on the electromagnet pitman pin 22313 of 223 two sides of on/off switch lever, the other end is by a long pin shaft
259 are connected with the pin shaft hole 2512 in the dynamic iron core 251.It is arranged above drive electromagnet installation base 2115 useful
In the limit sliding chutes 2116 that long pin shaft 259 slides, lean on 211 outside of proximal panel is inwardly protruding to be provided with conjunction point in limit sliding chutes 2116
Brake lever rod positive stop lug boss 2117, it should be noted that on/off switch lever positive stop lug boss 2117 is not limited to above-mentioned position, can also be such as
Shown in Fig. 8 a in double points (the first spring mechanism combined floodgate ready position), in the conjunction of the correspondence second spring mechanism 22 ' of side plate 211
Separating brake lever at this time position be arranged on/off switch lever positive stop lug boss 2 2120, and on side plate 211 with on/off switch lever
The corresponding another on/off switch lever positive stop lug boss 2 2120 of setting of positive stop lug boss 2 2120, this is to on/off switch lever positive stop lug boss two
2120 can substitute above-mentioned on/off switch lever positive stop lug boss 2117, a pair of of on/off switch lever positive stop lug boss 2 2120 and a pairing point
Brake lever rod positive stop lug boss 2117 can select one pair of them setting, and on/off switch lever positive stop lug boss 2117, reason are provided in Fig. 5
It is: such as Fig. 8 a, is limited if 2 2120 pairs of right side on/off switch levers of on/off switch lever positive stop lug boss are arranged at this time, due to two
What the on/off switch lever of side was connected by connecting rod 24, then the limit to left side on/off switch lever is also played, it certainly, can also be two pairs
It is arranged together, in Fig. 8 a to Fig. 9 b.
As shown in Fig. 5 and Fig. 7 a, the locker 28 includes a fixed frame 281, the first snap close piece 282, second lock
Fastener 282 ' and a trigger electromagnet 284, first snap close piece 282 and the second snap close piece 282 ' are to be symmetricly set on fixation
The identical component of two nested structures on frame 281 includes a hasp 2821, one lock 2822 being hubbed on fixed frame 281, makes
2821 pairs of hasp locks 2822 keep the hasp reset spring 2823 of pushing trend and lock are made to keep limit to become operating mechanism
The lock reset spring 2824 of gesture.
The hasp reset spring 2823 and lock reset spring 2824 can be two independent springs, act on respectively
In hasp 2821 and lock 2822；It can also be such as two brake arms of a spring of Fig. 7 a, the hasp reset spring
2823 and lock reset spring 2824 among have a mounting hole.
As shown in Fig. 7 a and 7c, the fixed frame 281 is identical by two block structures and the two fixed frame sides installed face-to-face
The fixed frame transverse slat 2812 of plate 2811 and connection both side plate forms, and 2812 center of fixed frame transverse slat is provided with fixed frame
Through-hole 28121.The middle part of one of fixed frame side plate 2811 and fixed frame transverse slat 2812 is offered for touching of powering
The cabling channel 28111 for sending out the winding wire arrangement of magnet 284, in two fixed frame side plates 2811 far from 2812 one end of fixed frame transverse slat
Outwardly convex has the fixing lug boss 28112 being fixed to locker 28 in mounting bracket 21.It is leaned in two fixed frame side plates 2811
The two sides of nearly 2812 position of fixed frame transverse slat are respectively provided with a pair of of lug 28113, are provided on the lug 28113 for hasp
2821 hinged hasps install pin shaft hole 281131, and two fixed frame side plates, 2811 center two sides are provided with a pair of and lock
2822 hinged pin shaft holes 28114.
As shown in Fig. 7 a and 7d, the hasp 2821 includes the hasp bar extended centered on hub setting point to two sides
28213 and trip rod 28212, the hub setting point of the hasp 2821 is a lock shaft hole 28211 with opening, in lock shaft hole
28211 radial side is provided with trip rod 28212, is used for manual unlocking.It is arranged in the radial other side in lock shaft hole 28211
There is hasp bar 28213, for matching with the gag lever post 28221 of lock 2822, electronic unlock can also be used for simultaneously.Preferably,
In the present embodiment, two parts are set according to function by the body of rod of hasp bar 28213 (see Fig. 7 a), a part is in lock shaft hole
The electronic trip rod 282130 (see Fig. 7 d) that 28211 axial middle parts extend, another part are axial in lock shaft hole 28211
The respectively arranged positive stop lug boss 28214 (see Fig. 7 d) in both ends, lock shaft hole 28211 is in 28214 center of positive stop lug boss extends and constitutes
Heart hole 282141, the end face of the positive stop lug boss 28214 are configured to the lock confined planes 282142 with 2822 cooperation of lock.It is preferred that
Ground is equipped with the pin shaft positive stop lug boss for carrying out axial limiting to pin shaft 286 such as Fig. 7 f and 7e, in the middle part of lock shaft hole 28211
The neck 2861 being arranged in the middle part of 282110, with pin shaft 286 is engaged by clamping.In positive stop lug boss 28214 and trip rod 28212 and electricity
The reset spring for installing hasp reset spring 2823 and latching reset spring 2824 is provided between dynamic trip rod 282130
Mounting groove 28215.The effect of the hasp reset spring 2823 is that 2821 pairs of hasp locks 2822 is made to keep pushing trend.Institute
282130 end of the electronic trip rod setting jagged 282131 stated.Hasp bar 28213 is not limited to the above embodiments, and can also will be limited
Position boss 28214 and electronic trip rod 282130 are integrally formed.
As shown in Fig. 7 a, 7d, 7e and Fig. 6 e, the lock 2822 includes the limit extended with its center of rotation to two sides
Bar 28221 and locking-bar 28222, the lock reset spring 2824 act on gag lever post 28221, and the gag lever post
28221 match with hasp bar 28213, and the locking-bar 28222 is matched with upper connecting rod 221.The lock 2822
Center of rotation is to latch 2822 and the hinged fixed frame hinge hole 28223 of fixed frame 281, the gag lever post 28221 and lock
Bar 28222 is located at the two sides of fixed frame hinge hole 28223, is provided on the locking-bar 28222 and upper connecting rod limitation locking
The lock face 282221 that face 22114 cooperates.Hasp confined planes 282211, hasp confined planes are equipped on gag lever post 28221
282211 end constitutes the limit end face 2822111 having for the bottom surface with positive stop lug boss 28214.The lock
Face 282221, hasp confined planes 282211 are placed in 28223 two sides of fixed frame hinge hole, in the centre of the gag lever post 28221
It is located proximate to 282211 one end of hasp confined planes and is provided with opening 282212, which is used to avoid the electricity of hasp 2821
Dynamic trip rod 282130.The lock reset spring 2824 is resisted against on the gag lever post 28221 of lock 2822, and effect is to make to lock
It detains 2822 pairs of upper connecting rods 221 and keeps limit trend.
As illustrated in figs. 7 a and 7b, the trigger electromagnet 284 includes static iron core 2841, dynamic iron core 2842, coil
2843, magnetic yoke 2844, reset spring 2845 and push rod 2846, the magnetic yoke 2844 include magnetic yoke cover 28441 and magnetic yoke cover board
28442, the two is riveted together by riveting boss and riveted holes, offers coil boss on the magnetic yoke cover board 28442
Mounting hole 284421.The magnetic yoke 2844 is internally provided with dynamic iron core 2842, static iron core 2841, coil 2843, reset spring
2845.The static iron core 2841 is riveted on magnetic yoke cover 28441.Inside the static iron core 2841, dynamic iron core 2842 respectively
It is provided with stepped hole 28411,28421, the reset spring 2845 is resisted against 28411,28421 on stepped hole.The line
Circle 2843 is set in the outside of static iron core 2841 and dynamic iron core 2842, and the coil 2843 includes coil rack 28431, institute
The circle convex platform 284311 that 28431 one end of coil rack stated raises upward.The circle convex platform 284311 is located in magnetic yoke
In coil boss mounting hole 284421 on cover board 28442, circle convex platform 284311 carries out dynamic iron core 2842 and magnetic yoke 2844
Partition.The push rod 2846 is non-magnetic material, drives boss 28461 and a long bolt 28462 to form by a plate-like,
Long bolt 28462 on the push rod 2846 is each passed through after magnetic yoke 2844, static iron core 2841, reset spring 2845 and dynamic
Iron core 2842 is pasted integrally by riveting or glue, and push rod 2846 makes plate-like drive boss under the action of reset spring 2845
28461 are resisted against in the yoke surface of 2841 side of static iron core, make to generate gap between sound iron core.Due to hasp reset spring 2823
Effect, electronic trip rod 282130 has such as downward thrust under the position Fig. 7 a push rod 2846, i.e., so that sound iron core point
From thrust can be not provided with reset spring 2845 in this case.
The plate-like driving boss 28461 of the trigger electromagnet 284 is passed through into the fixed frame on fixed frame transverse slat 2812
It is located at 2812 top of fixed frame transverse slat after through-hole 28121.Pin 285 is also cross the fixed frame hinge hole on lock 2822
28223 and fixed frame 281 on lock pin shaft hole 28114 is installed, lock 2822 is symmetrically hinged on fixed frame side plate 2811
On.The pin shaft 286 is also cross centre bore 282141, lock shaft hole 28211, the hasp reset spring 2823 on hasp 2821
It is installed on pin shaft hole 281131 with the hasp on fixed frame lug 28113 is hinged on after the mounting hole of lock reset spring 2824.
Electronic trip rod 282130 as shown in Fig. 7 a and 7c, in first snap close piece 282, the second snap close piece 282 '
It is respectively in other side's notch 282131, the underface of the electronic trip rod 282130 is that the plate-like of electromagnet push-rod drives
Boss 28461, the hasp 2821 and lock 2822 make taking on lock 2822 under the action of hasp reset spring 2823
Button confined planes 282211 are resisted against on the lock confined planes 282142 of hasp 2821.In 284 power loss of trigger electromagnet, push rod disk
Shape driving boss 28461 is embedded in the fixed frame through-hole 28121 of fixed frame 281, and the electronic trip rod 282130 of hasp 2821 supports
It leans against on 2812 face of fixed frame transverse slat.When trigger electromagnet 284 must be electric, push rod plate-like driving boss 28461 jacks up upwards to be stretched
Fixed frame through-hole 28121 out makes hasp 2821 and lock 2822 mutually to push the electronic trip rod 282130 of hasp 2821
It is detached from, realizes unlock.
As shown in Fig. 5, Fig. 7 a and Fig. 7 c, setting installation positioning surface on the fixed frame side plate 2811 of the locker 28
28115, the side plate 211 of the operating mechanism is provided with opening, the locker on the upside of output shaft centre bore 2111
28 are matched by installation positioning surface 28115 and the convex table top 2119 of the opening of 2111 upside of output shaft centre bore of side plate 211
It closes, such as Fig. 4, and is realized and fixed by the fixing lug boss face 28112 on fixed frame side plate 2811, fixing lug boss is passed through by screw
It is screwed on side plate 211 after the fixation hole 281121 in face 28112.
The operating principle of operating mechanism 2 of the present invention is as follows:
As shown in Figure 8 a, switch is set in double quartiles and operating mechanism 2 is in 22 combined floodgate ready position of the first spring mechanism
When: the upper connecting rod 221 in first spring mechanism 22 is under the action of 224 spring force of energy-stored spring, the upper company of upper connecting rod 221
Bar limitation locking face 22114 and the lock face 282221 on the lock 2822 in the first snap close piece 282 are inconsistent, make lock 2822
The trend rotated counterclockwise around its centre of gyration is kept after overcoming own spring force, due to the hasp limit of 2822 other ends of lock
Face 282211 leans with the lock confined planes 282142 on hasp 2821, so that lock 2822 is remain stationary, due to lock
The centre of gyration of hasp 2821 is passed through in the direction of the active force of 2822 pairs of hasps 2821, thus hasp 2821 in own spring force and
It is remained stationary under the action of rack 21, the upper connecting rod 221 of the first spring mechanism 22 is made to be locked in upper connecting rod upper limit boss
At 2114.Pulling force effect of the free end of the upper connecting rod 221 of the second spring mechanism 22 ' by energy-stored spring 224, around return
Turn center to be lifted up, and is resisted against on upper connecting rod upper limit boss 2114.At this time due to the lower company in the first spring mechanism 22
Lower link 222 in bar 222 and second spring mechanism 22 ' makes output shaft 23 all in the upper end of the sliding slot 2321 of output shaft 23
It is maintained at by-level position, is rested on the second contact position by the contact mechanism that output shaft 23 drives, double points for realizing switch
Position.The on/off switch lever in on/off switch lever 223 and the second spring mechanism 22 ' in first spring mechanism 22
223 are connected by connecting rod 24, form a parallelogram sturcutre.After the first drive electromagnet is powered, the first driving electromagnetism
The dynamic iron core 251 of iron 25, static iron core 252 are attracted, after the first drive electromagnet power loss, in the active force of reset spring 255
Under, dynamic iron core is moved to the direction far from static iron core, and still, energy-stored spring 224 is to the first bullet in first spring mechanism 22
What the on/off switch lever 223 in spring mechanism 22 generated rotates clockwise torque less than energy storage bullet in the second spring mechanism 22 '
Spring 224 rotates counterclockwise torque, the conjunction of the first spring mechanism 22 to what the on/off switch lever 223 of second spring mechanism 22 ' generated
Separating brake lever 223 is resisted against on on/off switch lever positive stop lug boss 2117, and is had to the dynamic iron core 251 of the first drive electromagnet 25
The pressure of (state position Fig. 8 a) downwards, so that the dynamic iron core 251 of the first drive electromagnet 25 is located below position, and at this point,
The dynamic and static iron core 251,252 of second drive electromagnet 25 ' is located at separation point position, the dynamic iron core 252 of the second drive electromagnet 25 '
It is located above position.Each movable part of operating mechanism 2 can be stably held in the location status.
Under said mechanism state, close a floodgate if you need to carry out the first spring mechanism 22, then its action process principle is as follows: to lock
The trigger electromagnet 284 of buckle device 28 is powered and the sound iron core of trigger electromagnet is attracted, and push rod 2846 is driven to push electronic solution
Button bar 282130 or by pressing the first snap close piece 282 in hasp 2821 trip rod 28212, then left side hasp bar 28213
It rotates counterclockwise, after the hasp confined planes 282211 on lock 2822 lose the limitation of hasp 2821, the first spring mechanism 22
Upper connecting rod 221 free end can energy-stored spring 224 release can pulling force effect under, push lock face 282221 open, make to latch
2822 rotate counterclockwise around hinge joint, and upper connecting rod 221 is unlocked and rotated clockwise around hinge joint, and drives lower link 222
One end be moved to the other end from one end of the sliding slot 2321 of output shaft 23, to drive lower link 222 and output shaft 23 together
It rotates by a certain angle counterclockwise.Finally, the free end of the upper connecting rod 221 of the first spring mechanism 22 abuts to upper connecting rod lower limit axis
On 2121, so that the hinge joint between upper connecting rod 221 and lower link 222 is passed through dead-centre position, (upper connecting rod 221 and lower link 222 are big
Cause to be in 180 °) rigidity supporting structure is formed, drive output shaft 23 to rotate counterclockwise, so that contact mechanism be driven to act.It crosses herein
Cheng Zhong after the lock 2822 unlocks, under own spring force effect, generates the power rotated clockwise, locking-bar 28222
Limit end face 282222 be resisted against on the sliding confined planes 22113 of upper connecting rod 221.Under in the second spring mechanism 22 '
Connecting rod 222 is due to providing certain freedom degree between output shaft 23, when 22 side of the first spring mechanism being made to close a floodgate, the second bullet
Lower link 222 in spring mechanism 22 ' can accordingly slide in the sliding slot 2321 of output shaft 23, make the conjunction of second spring mechanism 22 '
Separating brake lever 223 and upper connecting rod 221 remain stationary, meanwhile, each connecting rod in second spring mechanism 22 ' is in energy-stored spring 224
It is held in place and sets under effect, such as Fig. 8 b.Preferably, the folder on the position shown in 8b between output arm 232 and lower link 222
Angle (towards the angle to drive electromagnet 25) is 75 °~80 °, so that one to the reaction force of lower link 222 of contact mechanism
By the center of rotation of output shaft 23, (power makes the output shaft pin shaft 226 on lower link 222 be maintained at leaning on for sliding slot 2321 to component
One end of nearly output shaft center of rotation), another component is by upper connecting rod 221, the articulated shaft of lower link 222.Reach first
When contact closing position, the lower link limit shaft 2122 of 22 side of the first spring mechanism acts on corresponding lower link 222
Lower link transverse slat 2222, by the limit of output shaft pivot pin 226 on lower link 222 at 23 turns of close output shaft of sliding slot 2321
The one end at dynamic center, to ensure that the contact pressure of dynamic/static contact when the first contact position, specific structure such as Figure 10 a makes to grasp
Make mechanism will not cause because of reasons such as closing rebound, contact abrasions lower link slide and eventually lead to contact over travel, pressure subtracts
It is small.After the pressing force in 284 power loss of locker trigger electromagnet or trip rod 28212 is cancelled, the hasp 2821 in left side exists
It is resetted under the action of itself spring, the bottom surface of positive stop lug boss 28214 is resisted against on limit end face 2822111, ensure that it
The correctness of subsequent separating brake movement.In the process, for the upper connecting rod 221 of second spring mechanism 22 ' in energy-stored spring 224
The same position at ready moment of closing a floodgate with the first spring mechanism is maintained under the action of pulling force and upper connecting rod upper limit boss 2114,
To remain stationary the lock 2822 of the second snap close piece 282 ', therefore, even if trigger electromagnet 284 is powered or pressing second
The trip rod 28212 of snap close piece 282 ', the lock 2822 of the second snap close piece 282 ' and the upper connecting rod 221 of second spring mechanism 22 '
Lock state is still kept, the second snap close piece 282 ' is held in place.Under the first spring mechanism "on" position, due to the first driving
25 energized action of electromagnet, after sound iron core is attracted, after 25 cutoff action power supply of the first drive electromagnet, in reset spring
Under 255 active force, dynamic iron core 251 is moved to far from the direction of static iron core 252, still, such as Fig. 8 b, in the first spring mechanism 22
Energy-stored spring 224 pulling force effect under, the on/off switch lever 223 of the first spring mechanism 22 is resisted against on/off switch lever limit convex
On platform 2117, the upper connecting rod 221 of the first spring mechanism 22 is resisted against on upper connecting rod lower limit axis 2121, and to the first driving electricity
The dynamic iron core 251 of magnet 25 has the pressure of downward (state position Fig. 8 b), so that the dynamic iron core 251 of the first drive electromagnet 25
It is located below position, the on/off switch lever 223 of second spring mechanism 22 ' is remained stationary by the effect of connecting rod 24, in the second bullet
Under 224 pulling force effect of energy-stored spring of spring mechanism 22 ', the upper connecting rod 221 of second spring mechanism 22 ' is resisted against upper connecting rod upper limit
On boss 2114, the dynamic iron core 251 of the second drive electromagnet 25 ', static iron core 252 are located at separation point position, the second drive electromagnet
25 ' dynamic iron core 252 is located above position, and whole operation mechanism 2 is maintained at the first spring mechanism "on" position.
Under said mechanism state, when the second drive electromagnet 25 ' is powered, the dynamic iron core of the second drive electromagnet 25 '
251 move downward, and the dynamic iron core 251 of the second drive electromagnet 25 ' drives second spring mechanism 22 ' by electromagnet connecting rod 258
In on/off switch lever 223 rotate clockwise, due to the on/off switch lever 223 and second spring mechanism of the first spring mechanism 22
22 ' on/off switch lever 223 forms parallel four by connecting rod 24 and connects shape structure, therefore the on/off switch lever of the first spring mechanism 22
223 rotate clockwise with the on/off switch lever 223 of second spring mechanism 22 '.Energy-stored spring in second spring mechanism 22 '
224 start combined floodgate energy storage, and the energy-stored spring 224 in the first spring mechanism 22 starts separating brake energy storage, when in the first spring mechanism 22
Energy-stored spring 224 across dead-centre position, (224 both ends of energy-stored spring and 221 centre of gyration of upper connecting rod are on same straight line
When), such as Fig. 8 c.The free end of the upper connecting rod 221 of first spring mechanism 22 can energy-stored spring 224 release can pulling force effect under,
It is rotated counterclockwise around hinge joint, and one end of lower link 222 is driven to slide into the other end from one end of output shaft 23, thus band
Dynamic lower link 222 and output shaft 23 rotate clockwise certain angle, the locking-bar of the lock 2822 in the first snap close piece 282 together
28222 limit end face 282222 can be slided all along the sliding confined planes 22113 on 221 excircle of upper connecting rod.Finally,
The free end of the upper connecting rod 221 of first spring mechanism 22 abuts on upper connecting rod upper limit boss 2114, completes separating brake.At this point,
Lock 2822 rotates clockwise under the action of own spring force, slides into upper connecting rod from the sliding confined planes 22113 of upper connecting rod 211
On 221 upper connecting rod limitation locking face 22114,2822 limit end face 2822111 is latched from the bottom surface of positive stop lug boss 28214
On slip off, release restriction to hasp bar 28213, rotate clockwise hasp 2821 under own spring force effect, until its
Electronic trip rod 282130 is resisted against on fixed plate transverse slat 2812, to realize that the first snap close piece 282 automatically resets.At this point, the
The energy-stored spring 224 of two spring mechanisms 22 ' just across dead-centre position, reaches combined floodgate ready position, such as Fig. 8 d, second spring machine
Upper connecting rod 221 in structure 22 ' under the action of 224 power of energy-stored spring, the upper connecting rod limitation locking face 22114 of upper connecting rod 221 with
The lock face 282221 on lock 2822 in second snap close piece 282 ' is inconsistent, protects after so that lock 2822 is overcome own spring force
The trend rotated clockwise around the centre of gyration is held, but due to the lock on 2822 other end confined planes of lock and hasp 2821
Confined planes 282142 lean, and the centre of gyration of hasp 2821 is passed through in the direction of the power, therefore hasp 2821 is in itself spring
It is remained stationary under the action of power, locks the upper connecting rod 221 of second spring mechanism 22 ' at upper connecting rod upper limit boss 2114, it is complete
At 22 ' the combined floodgate energy storage of second spring mechanism.At this time due to the lower link 222 and second spring mechanism in the first spring mechanism 22
Lower link 222 in 22 ' makes output shaft 23 be maintained at by-level position, realizes machine all in the upper end of 23 sliding slot of output shaft
Double quartiles of structure are set, at this point, operating mechanism 2 is located at 22 ' combined floodgate ready position of second spring mechanism, corresponding second spring mechanism
The on/off switch lever positive stop lug boss 2117 of 22 ' sides limits the on/off switch lever 223 of second spring mechanism 22 ', while right
The upper connecting rod upper limit boss 2114 of 22 side of the first spring mechanism is answered to limit the upper connecting rod 221 of the first spring mechanism 22.
While second drive electromagnet 25 ' pulls down the on/off switch lever 223 of second spring mechanism 22 ', the conjunction of the first spring mechanism 22
Separating brake lever 223 pulls the dynamic iron core 251 of the first drive electromagnet 25 to move upwards by electromagnet connecting rod 258.In such as Fig. 8 b
To Fig. 8 d the first spring mechanism 22 from closing a floodgate to during separating brake, due to the lower link limit shaft of 22 side of the first spring mechanism
2122 act on the lower link transverse slat 2222 of corresponding lower link 222, and the limit of output shaft pivot pin 226 on lower link 222 is existed
One end of 23 center of rotation of close output shaft of sliding slot 2321, so that lower link is during switching separating brake, lower link and output
The hinged output shaft pin shaft of axis is constantly on the inside of output shaft sliding slot, until separating brake just skids off on the inside of sliding slot after in place, so that
Contact opening velocity is faster.
Under said mechanism state, such as so that second source is closed a floodgate, then carry out the combined floodgate of second spring mechanism 22 ', reach such as
The position Fig. 8 e, operating mechanism 2 is located at 22 ' closing position of second spring mechanism at this time, corresponds to the upper of 22 ' side of second spring mechanism
Connecting rod lower limit axis 2121 limits the upper connecting rod 221 of second spring mechanism 22 ', while corresponding first spring mechanism 22
The upper connecting rod upper limit boss 2114 of side limits the upper connecting rod 221 of the first spring mechanism 22.Its operating principle process with
First spring, 22 combined floodgate principle is consistent.When reaching the second contact closing position, the lower company of the 22 ' side of second spring mechanism
Bar limit shaft 2122 acts on the lower link transverse slat 2222 of corresponding lower link 222, by the output shaft pivot pin on lower link 222
226 limits are in one end of 23 center of rotation of close output shaft of sliding slot 2321, to ensure that sound is touched when the second contact position
The contact pressure of head, specific structure such as Figure 10 b.
Operating mechanism 2 of the invention includes the first spring mechanism 22 and second spring mechanism 22 ', limit of the present invention
Part includes: in the first contact-closed position, and the lower link transverse slat 2222 of corresponding first spring mechanism 22 is arranged in rack 21
One lower link limit shaft 2122, and, in the second contact-closed position, the lower link transverse slat of corresponding second spring mechanism 22 '
2222, another lower link limit shaft 2122 being arranged in rack 21 is left in the first contact-closed position such as Figure 10 a, 10b
The lower link limit shaft 2122 of side and 2222 mating reaction of lower link transverse slat in left side, in the second contact-closed position, right side
Lower link limit shaft 2122 and right side 2222 mating reaction of lower link transverse slat.
Certainly, locating part of the present invention is not limited to the form of above-mentioned lower link limit shaft 2122, can also be in rack 21
Groove is arranged in upper corresponding position, adds to the output shaft pin shaft 226 of the first spring mechanism 22 and second spring mechanism 22 '
It is long, i.e., it is its is axially extending, cooperate respectively with corresponding groove in the first contact-closed position and the second contact-closed position, it will
Output shaft pin shaft 226 is limited to the end of 23 center of rotation of close output shaft of sliding slot 2321, equally ensure that contact closure position
Contact pressure when setting, between dynamic/static contact.
Such as Fig. 8 d, in the state that the combined floodgate of second spring mechanism 22 ' is ready, the first spring mechanism 22 combined floodgate is such as carried out, then
The energy storage state of first switching mechanism energy-stored spring 224 is needed, operating principle is as follows: is powered to the first drive electromagnet 25, first
The dynamic iron core 251 of drive electromagnet 25 moves downward, thus the conjunction in the first spring mechanism 22 of drive, second spring mechanism 22 '
Separating brake lever 223 is rotated counterclockwise around the respective centre of gyration together, and the energy-stored spring 224 in the first spring mechanism 22 starts
Combined floodgate energy storage, the energy-stored spring 224 in second spring mechanism 22 ' start separating brake energy storage, the energy storage in the first spring mechanism 22
Spring 224, due to the effect in the lock face 282221 of the first snap close piece 282, limits upper connecting rod 221 across behind dead-centre position
Rotation, therefore, the upper connecting rod 221 and lower link 222 of the first spring mechanism 22 keep in situ constant.Second spring mechanism
22 ' energy-stored spring 224 is across behind dead-centre position, due to the presence of upper connecting rod positive stop lug boss 2114, upper connecting rod 221 and lower company
Bar 222 also keeps in situ constant.Then the above process just completes the first spring mechanism 22, second spring mechanism 22 ' closes a floodgate
The conversion of ready position.
In Fig. 8 b and 8e, the lower link positive stop lug boss 2572 of the fixed bracket 257 of the dynamic iron core lower link 222 from
When open position is moved to closing position, by the shock of lower link transverse slat 2222 and lower link positive stop lug boss 2572, make lower company
The output shaft pin shaft 226 of bar 222 slides into most inner side from the outermost of the sliding slot 2321 of output shaft 23 in movement initial phase, thus
Guarantee the correct of mechanism action.
Three position switch of the invention can become two position switch, as follows:
Locker 28 is removed on above-mentioned three-position switch operating mechanism.As illustrated in fig. 9, mechanism initial position is in the
Two spring mechanisms, 22 ' "on" position, when the first spring mechanism 22 need to be closed a floodgate, then the first drive electromagnet 25 is powered, the
The dynamic iron core 251 of one drive electromagnet 25 moves downward, to drive the first, second spring mechanism 22,22 ' by connecting rod 24
On/off switch lever 223 is rotated counterclockwise around the respective centre of gyration together, the energy-stored spring 224 in the first spring mechanism 22
Start combined floodgate energy storage, the energy-stored spring 224 in second spring mechanism 22 ' starts separating brake energy storage.When in second spring mechanism 22 '
For energy-stored spring 224 across dead-centre position, the free end of the upper connecting rod 221 in second spring mechanism 22 ' can be in energy-stored spring 224
It under the pulling force effect for releasing energy, is rotated clockwise around hinge joint, and drive lower link 222, while lower link 222 drives output shaft
23 rotate counterclockwise, and when the free end of upper connecting rod 221 abuts on upper connecting rod upper limit boss 2114, realize second spring machine
22 ' separating brake of structure.At this point, energy-stored spring 224 in the first spring mechanism 22 is just across dead-centre position, in the first spring mechanism 22
Upper connecting rod 221 free end can energy-stored spring 224 release can pulling force effect under, be rotated clockwise around hinge joint, and band
One end of dynamic lower link 222 slides into the other end from one end of 23 sliding slot of output shaft, to drive lower link 222 and output shaft 23
It rotates by a certain angle counterclockwise together.Finally, the free end of upper connecting rod 221 abuts on upper connecting rod lower limit axis 2121, completes
First spring mechanism closes a floodgate, as shown in figure 9b.First drive electromagnet 25 pulls down the on/off switch lever 223 of the first spring mechanism 22
While, the on/off switch lever 223 of second spring mechanism 22 ' pulls the second drive electromagnet 25 ' by electromagnet connecting rod 258
Dynamic iron core 151 move upwards.During actual act, closed during the first spring mechanism separating brake with second spring mechanism
During lock separating brake, the movement and two sides spring mechanism of the output shaft pin shafts 226 of two sides in two sliding slots 2321 of output shaft 23
The rotation for driving output shaft 23 is synchronous carries out.
Under said mechanism state, the combined floodgate of second spring mechanism 22 ', operating principle process and the first spring are such as carried out
22 combined floodgate principle of mechanism is consistent.
There are four positions: 22 closing position of the first spring mechanism for the operating mechanism tool of the three position dual-power transfer switch
It sets, at this time to inductive switch the first power supply closing position；First spring mechanism, 22 combined floodgate ready position, corresponds to Switching Two quartile at this time
It sets, as long as next the first spring mechanism 22 can be made to close by triggering corresponding first snap close piece 282 of the first spring mechanism 22
Lock；22 ' combined floodgate ready position of second spring mechanism, corresponds to Switching Two quartile at this time and sets, as long as next passing through the second bullet of triggering
Corresponding second snap close piece 282 ' of spring mechanism 22 ' can make second spring mechanism 22 ' close a floodgate；22 ' closing position of second spring mechanism
It sets, at this time to inductive switch second source closing position.
Claims (7)
1. a kind of operating mechanism of dual-power transfer switch, the dual-power transfer switch includes operating mechanism (2) and contact machine
Structure, the contact mechanism have the first contact-closed position for making the first power supply close a floodgate, the second touching for making second source close a floodgate
Head closed position, the operating mechanism (2) include rack (21), are arranged on rack (21) and connect with contact mechanism defeated
Shaft (23) and energy storage device, the energy storage device movement drive output shaft (23) movement to make contact mechanism in the first touching
It is rotated between head closed position and the second contact-closed position；The output shaft (23) includes being symmetrical arranged with its center of rotation
Two output arms (232), offer a sliding slot (2321) on each output arm (232), the energy storage device includes two
It is a to be separately positioned on output shaft (23) two sides and identical first spring mechanism (22) of structure and second spring mechanism (22 '), institute
The first spring arrangement (22) and second spring mechanism (22 ') stated are installed on output shaft by output shaft pin shaft (226) respectively
(23) two sides, the output shaft pin shaft (226) are placed in sliding in the sliding slot (2321) of (23) two output arm (232) of output shaft,
It is characterized by: the operating mechanism (2) further includes the locating part being fixed on rack (21), the locating part is acted on
Energy storage device, so that the output shaft pivot pin (226) is located in the first contact-closed position and the second contact-closed position
The end of close output shaft (23) center of rotation of sliding slot (2321).
2. a kind of operating mechanism of dual-power transfer switch according to claim 1, it is characterised in that first bullet
Spring mechanism (22) and second spring mechanism (22 ') include upper connecting rod (221), lower link (222), on/off switch lever (223) and
Energy-stored spring (224), the upper connecting rod (221) and on/off switch lever (223) are hubbed on rack (21), the lower link
(222) hingedly, the other end is set to output shaft (23) by what output shaft pin shaft (226) were slided for one end and upper connecting rod (221)
In sliding slot (2321), the energy-stored spring (224) one end connect with on/off switch lever (223), the other end with by upper connecting rod
(221) the hinged axis connection hinged with lower link (222), the rotation of the on/off switch lever (223) make energy-stored spring (224)
Energy storage, the energy-stored spring (224) release energy to drive upper connecting rod (221) and lower link (222) to act, to drive defeated
Shaft (23) rotation.
3. a kind of operating mechanism of dual-power transfer switch according to claim 2, it is characterised in that the locating part
Including a pair of of the lower link limit shaft (2122) being fixed on rack (21), the extended lower company having on the lower link (222)
Bar transverse slat (2222), in the first contact-closed position and the second contact-closed position, the lower link limit shaft (2122)
The lower link transverse slat (2222) for acting on corresponding lower link (222), makes output shaft pivot pin (226) be located at sliding slot (2321)
Close output shaft (23) center of rotation end.
4. a kind of operating mechanism of dual-power transfer switch according to claim 3, it is characterised in that the energy storage machine
Structure further includes the first drive electromagnet (25) and the second drive electromagnet (25 ') being fixed on rack (21), and described first
Drive electromagnet (25) and the second drive electromagnet (25 ') correspond respectively to the first spring mechanism (22) and second spring mechanism
(22 '), first drive electromagnet (25) and the conjunction with the first spring mechanism (22) respectively of the second drive electromagnet (25 ')
On/off switch lever (223) connection on separating brake lever (223) and second spring mechanism (22 ').
5. a kind of operating mechanism of dual-power transfer switch according to claim 4, it is characterised in that the operation machine
Structure (2) further includes the connecting rod (24) for connecting the first spring mechanism (22) and second spring mechanism (22 '), and the connecting rod (24) is even
Connect the on/off switch lever (223) of the first spring mechanism (22) and the on/off switch lever (223) of second spring mechanism (22 ').
6. a kind of operating mechanism of dual-power transfer switch according to claim 5, it is characterised in that the operation machine
Structure (2) further includes a locker (28), and the locker (28) is fixed on rack (21) and is located at the first coiling machine
Between structure (22) and second spring mechanism (22 '), the locker (28) is respectively acting on the first spring mechanism (22)
The upper connecting rod (221) of upper connecting rod (221) and second spring mechanism (22 '), when locker (28) is to the first spring mechanism (22)
Upper connecting rod (221) or the upper connecting rod (221) of second spring mechanism (22 ') when being limited, the energy storage device drives defeated
Shaft (23) rests on the middle position between the first contact-closed position and the second contact-closed position.
7. a kind of operating mechanism of dual-power transfer switch according to claim 2, it is characterised in that the locating part
Including the groove being arranged on rack (21), the end of the output shaft pin shaft (226) extends to the rack (21),
When the first contact-closed position and the second contact-closed position, the groove acts on corresponding output shaft pin shaft
(226), output shaft pin shaft (226) is made to be located at the end of close output shaft (23) center of rotation of sliding slot (2321).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023748.6A CN109545590B (en) | 2019-01-10 | 2019-01-10 | Operating mechanism of dual-power change-over switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023748.6A CN109545590B (en) | 2019-01-10 | 2019-01-10 | Operating mechanism of dual-power change-over switch |
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| CN109545590B CN109545590B (en) | 2024-02-02 |
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| CN201910023748.6A Active CN109545590B (en) | 2019-01-10 | 2019-01-10 | Operating mechanism of dual-power change-over switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643916A (en) * | 2021-08-10 | 2021-11-12 | 雷顿电气科技有限公司 | Slide-in type dual-power transfer switch |
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| Publication number | Publication date |
|---|---|
| CN109545590B (en) | 2024-02-02 |
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