CN102592860A - Switching mechanism of double-power supply change-over switch - Google Patents
Switching mechanism of double-power supply change-over switch Download PDFInfo
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- CN102592860A CN102592860A CN2012100500535A CN201210050053A CN102592860A CN 102592860 A CN102592860 A CN 102592860A CN 2012100500535 A CN2012100500535 A CN 2012100500535A CN 201210050053 A CN201210050053 A CN 201210050053A CN 102592860 A CN102592860 A CN 102592860A
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Abstract
The invention discloses a switching mechanism of a double-power supply change-over switch, which comprises a switching main shaft, a reversing plate arranged on the switching main shaft, a main transmission rotating shaft, a main crank arm component, a main transmission component, an auxiliary transmission rotating shaft, an auxiliary crank arm component and an auxiliary transmission component; the main transmission rotating shaft and the auxiliary transmission rotating shaft are symmetrically arranged on the two sides of the switching main shaft; an arched main transmission hole and an arched auxiliary transmission hole are arranged on the reversing plate; the main transmission component comprises a main transmission crank arm and a main transmission connecting rod; one end of the main transmission connecting rod is rotatably connected with the main transmission crank arm, and the other end of the main transmission connecting rod is connected with a pin shaft passed through the main transmission hole on the reversing plate; the auxiliary transmission component comprises an auxiliary transmission crank arm and an auxiliary transmission connecting rod; and one end of the auxiliary transmission connecting rod is rotatably connected with the auxiliary transmission crank arm, and the other end of the auxiliary transmission connecting rod is rotatably connected with another pin shaft passed through the auxiliary transmission hole on the reserving plate. The switching mechanism disclosed by the invention has a compact and reasonable structure and a small floor area, and the power supply switching operation is stable and reliable, and the switching speed is high.
Description
Technical field
The invention belongs to low-voltage electrical apparatus structure-design technique field, be specifically related to a kind of switching mechanism that is used for dual-power transfer switch.
Background technology
The topmost performance index of automatic transfer switching electric appliance are short circuit making capacity, short circuit breaking capacity, electrical endurance and mechanical endurance, and device for switching structure and performance index effect have direct relation.What the automatic transfer switching electric appliance of traditional above specification of 630A used is two-shipper structure or double electromagnet interlock; Its shortcoming is to require height at the quality of fit that adopts many its each parts of complex structure of two-shipper structure its parts of transmission, and breaks down often; Adopt the double electromagnet interlock in debugging and maintenance, need could move, otherwise automatic change-over just can not use to the electromagnet power switch.
Be the diverter switch electrical equipment that use in place that 630A electricity consumption requirement can not have a power failure both at home and abroad in rated current; Great majority all are that two omnipotent breaker switches adopting add switch controller and constitute with mechanical interlocking, and its design feature is: adopt two omnipotent breakers with regard to the busbar that is connected between the secondary control loop that must adopt two cabinets and add these two switches and this two cabinet.So not only uneconomical, but also waste resource, and floor space is big.
Adopt above-mentioned two kinds of duplicate supply switching modes, certain switching effect arranged, but unparalleled minute position also exist switching long, tangible interruption duration is arranged and weak point such as break down easily in handoff procedure.
Summary of the invention
The switching mechanism that is used for dual-power transfer switch that the purpose of this invention is to provide comparatively good, the effective raising conversion of a kind of performance reliability.
The technical scheme that realizes the object of the invention is: a kind of switching mechanism that is used for dual-power transfer switch is characterized in that: said switching mechanism comprises and switches main shaft, is arranged on reversing plate, the main transmission rotating shaft of switching on the main shaft, is arranged on being used in the main transmission rotating shaft and drives main connecting lever assembly, the main transmission assembly that is used for interlock reversing plate and main transmission rotating shaft, auxiliary driving rotating shaft that contact initiatively rotates, be arranged on the secondary connecting lever assembly that being used in the auxiliary driving rotating shaft drive secondary moving contact rotation, the auxiliary driving assembly that is used for interlock reversing plate and auxiliary driving rotating shaft;
Said main transmission rotating shaft and auxiliary driving rotating shaft are symmetricly set on switches the main shaft both sides; Said reversing plate is provided with the main transmission hole and the auxiliary driving hole of arc; Said main transmission assembly comprises main transmission connecting lever that is fixed in the main transmission rotating shaft and the main transmission connecting rod that is used to be connected main transmission connecting lever and reversing plate; One end and the main transmission connecting lever of said main transmission connecting rod are rotationally connected, another side then with pass reversing plate on the bearing pin in main transmission hole link to each other; Said auxiliary driving assembly comprises auxiliary driving connecting lever that is fixed in the auxiliary driving rotating shaft and the auxiliary driving connecting rod that is used for auxiliary connection transmission crank arm and reversing plate; One end and the auxiliary driving connecting lever of said auxiliary driving connecting rod are rotationally connected, another side then with pass reversing plate on another bearing pin in auxiliary driving hole link to each other.
In the such scheme, said main connecting lever assembly comprises the main connecting lever that is fixed in the main transmission rotating shaft, the master connecting-rod that connects contact supporter in main connecting lever and the active contact; Said secondary connecting lever assembly comprises the slave connecting rod of contact supporter in secondary connecting lever, auxiliary connection connecting lever and the secondary moving contact that is fixed in the auxiliary driving rotating shaft.
In the such scheme, said switching mechanism also comprises main auxiliary tripping spring and secondary auxiliary tripping spring; One end hook of said main auxiliary tripping spring hangs on the mount pad, and the other end is hooked on the main connecting lever; One end hook of the auxiliary tripping spring of said pair hangs on the mount pad, and the other end is hooked on the secondary connecting lever.
Structure of the present invention is comparatively rationally compact, and it is less to take up room, and the power supply handover operation is comparatively reliable and stable and switch speed is comparatively quick.
Description of drawings
Fig. 1 is a kind of partial structurtes sketch map of switching mechanism among the present invention;
Fig. 2 is a kind of partial structurtes sketch map of guider among the present invention;
Fig. 3 is the structural representation of a kind of double power supply automatic transfer switch of adopting the present invention and processing;
Fig. 4 is a kind of sectional structure sketch map of double power supply automatic transfer switch shown in Figure 3;
Fig. 5 is a kind of structural representation of duplicate supply contact system in the double power supply automatic transfer switch shown in Figure 3;
Fig. 6 is a kind of sectional structure sketch map of duplicate supply contact system shown in Figure 5;
Fig. 7 is a kind of structural representation of interlock plate in the double power supply automatic transfer switch shown in Figure 3;
Fig. 8 is a kind of structural representation of switching mechanism in the double power supply automatic transfer switch shown in Figure 3;
Fig. 9 is a kind of structural representation that switches main shaft in the double power supply automatic transfer switch shown in Figure 3;
Figure 10 is a kind of structural representation of guider in the double power supply automatic transfer switch shown in Figure 3;
Figure 11 is a kind of end view of guider shown in Figure 10;
Figure 12 is a kind of end view of guide plate in the guider shown in Figure 10;
Figure 13 is a kind of end view of limiting plate in the guider shown in Figure 10.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 2 has shown a kind of embodiment of the present invention, and wherein Fig. 1 is a kind of partial structurtes sketch map of switching mechanism among the present invention; Fig. 2 is a kind of partial structurtes sketch map of guider among the present invention.
Present embodiment is a kind of switching mechanism that is used for dual-power transfer switch; See Fig. 1 to Fig. 2, said switching mechanism 3 comprise switch main shaft 31, be arranged on reversing plate 32, the main transmission rotating shaft 33 of switching on the main shaft 31, be arranged on being used in the main transmission rotating shaft 33 drive main connecting lever assembly 34 that contact 26A initiatively rotates, be used for interlock reversing plate 32 and main transmission rotating shaft 33 main transmission assembly 35, auxiliary driving rotating shaft 36, be arranged on the auxiliary driving assembly 38 that being used in the auxiliary driving rotating shaft 36 drives secondary connecting lever assembly 37 that secondary moving contact 26B rotates, is used for interlock reversing plate 32 and auxiliary driving rotating shaft 36;
Said main transmission rotating shaft 33 is symmetricly set on auxiliary driving rotating shaft 36 switches main shaft 31 both sides; Said reversing plate 32 is provided with the main transmission hole 321 and auxiliary driving hole 322 of arc; Said main transmission assembly 35 comprises main transmission connecting lever 351 that is fixed in the main transmission rotating shaft 33 and the main transmission connecting rod 352 that is used to be connected main transmission connecting lever 351 and reversing plate 32; One end and the main transmission connecting lever 351 of said main transmission connecting rod 352 are rotationally connected, another side then with pass reversing plate 32 on the bearing pin in main transmission hole 321 link to each other; Said auxiliary driving assembly 38 comprises auxiliary driving connecting lever 381 that is fixed in the auxiliary driving rotating shaft 36 and the auxiliary driving connecting rod 382 that is used for auxiliary connection transmission crank arm 381 and reversing plate 32; One end and the auxiliary driving connecting lever 381 of said auxiliary driving connecting rod 382 are rotationally connected, another side then with pass reversing plate 32 on another bearing pin in auxiliary driving hole 322 link to each other.
In the such scheme, said main connecting lever assembly 34 comprises the main connecting lever 341 that is fixed in the main transmission rotating shaft 33, the master connecting-rod 342 that connects contact supporter 261 among main connecting lever 341 and the active contact 26A; Said secondary connecting lever assembly 37 comprises the slave connecting rod 372 of contact supporter among secondary connecting lever 371, auxiliary connection connecting lever 371 and the secondary moving contact 26B that is fixed in the auxiliary driving rotating shaft 36.
In the such scheme, said switching mechanism 3 also comprises main auxiliary tripping spring 391 and secondary auxiliary tripping spring 392; One end hook of said main auxiliary tripping spring 391 hangs on the mount pad 1, and the other end is hooked on the main connecting lever 341; One end hook of the auxiliary tripping spring 392 of said pair hangs on the mount pad 1, and the other end is hooked on the secondary connecting lever.
The present embodiment structure is comparatively rationally compact, and it is less to take up room, and the power supply handover operation is comparatively reliable and stable and switch speed is comparatively quick.
(application examples)
Fig. 3 to Figure 13 has shown a kind of concrete application mode of the present invention, and wherein Fig. 3 is the structural representation of a kind of double power supply automatic transfer switch of adopting the present invention and processing; Fig. 4 is a kind of sectional structure sketch map of double power supply automatic transfer switch shown in Figure 3; Fig. 5 is a kind of structural representation of duplicate supply contact system in the double power supply automatic transfer switch shown in Figure 3; Fig. 6 is a kind of sectional structure sketch map of duplicate supply contact system shown in Figure 5; Fig. 7 is a kind of structural representation of interlock plate in the double power supply automatic transfer switch shown in Figure 3; Fig. 8 is a kind of structural representation of switching mechanism in the double power supply automatic transfer switch shown in Figure 3; Fig. 9 is a kind of structural representation that switches main shaft in the double power supply automatic transfer switch shown in Figure 3; Figure 10 is a kind of structural representation of guider in the double power supply automatic transfer switch shown in Figure 3; Figure 11 is a kind of end view of guider shown in Figure 10; Figure 12 is a kind of end view of guide plate in the guider shown in Figure 10; Figure 13 is a kind of end view of limiting plate in the guider shown in Figure 10.
Should use-case be a kind of double power supply automatic transfer switch, see Fig. 1 to Figure 13, comprise mount pad 1, and be arranged on duplicate supply contact system 2, switching mechanism 3 and operating mechanism 4 on the mount pad 1; Said duplicate supply contact system 2 comprises that active contact 26A, rotation that main power source input terminal 21, auxiliary power input terminal 22, load outlet terminal 23, the main fixed contact 24 that links to each other with main power source input terminal 21, the secondary fixed contact 25 that links to each other with auxiliary power input terminal 22, rotation are arranged on the mount pad 1 are arranged on the secondary moving contact 26B on the mount pad 1; Said main power source input terminal 21, auxiliary power input terminal 22, load outlet terminal 23 are arranged on the same side of mount pad 1, and said load outlet terminal 23 is arranged between main power source input terminal 21 and the auxiliary power input terminal 22; Said operating mechanism 4 is arranged on another side of mount pad 1.
Said switching mechanism 3 comprises switching main shaft 31; Be arranged on the reversing plate 32 that switches on the main shaft 31; Main transmission rotating shaft 33; Be arranged on the main connecting lever assembly 34 that being used in the main transmission rotating shaft 33 drives active contact 26A rotation; The main transmission assembly 35 that is used for interlock reversing plate 32 and main transmission rotating shaft 33; Auxiliary driving rotating shaft 36; Be arranged on the secondary connecting lever assembly 37 that being used in the auxiliary driving rotating shaft 36 drives secondary moving contact 26B rotation; The auxiliary driving assembly 38 that is used for interlock reversing plate 32 and auxiliary driving rotating shaft 36; Said main transmission rotating shaft 33 is symmetricly set on auxiliary driving rotating shaft 36 switches main shaft 31 both sides; Said reversing plate 32 is provided with the main transmission hole 321 and auxiliary driving hole 322 of arc; Said main transmission assembly 35 comprises main transmission connecting lever 351 that is fixed in the main transmission rotating shaft 33 and the main transmission connecting rod 352 that is used to be connected main transmission connecting lever 351 and reversing plate 32; One end and the main transmission connecting lever 351 of said main transmission connecting rod 352 are rotationally connected, another side then with pass reversing plate 32 on the bearing pin in main transmission hole 321 link to each other; Said auxiliary driving assembly 38 comprises auxiliary driving connecting lever 381 that is fixed in the auxiliary driving rotating shaft 36 and the auxiliary driving connecting rod 382 that is used for auxiliary connection transmission crank arm 381 and reversing plate 32; One end and the auxiliary driving connecting lever 381 of said auxiliary driving connecting rod 382 are rotationally connected, another side then with pass reversing plate 32 on another bearing pin in auxiliary driving hole 322 link to each other.
Said main connecting lever assembly 34 comprises the main connecting lever 341 that is fixed in the main transmission rotating shaft 33, the master connecting-rod 342 that connects contact supporter 261 among main connecting lever 341 and the active contact 26A; Said secondary connecting lever assembly 37 comprises the slave connecting rod 372 of contact supporter among secondary connecting lever 371, auxiliary connection connecting lever 371 and the secondary moving contact 26B that is fixed in the auxiliary driving rotating shaft 36.
Said switching mechanism 3 also comprises main auxiliary tripping spring 391 and secondary auxiliary tripping spring 392; One end hook of said main auxiliary tripping spring 391 hangs on the mount pad 1, and the other end is hooked on the main connecting lever 341; One end hook of the auxiliary tripping spring 392 of said pair hangs on the mount pad 1, and the other end is hooked on the secondary connecting lever.
Also comprise indicating mechanism 5, said indicating mechanism 5 comprises and rotates the main indication piece 51 be arranged in the mount pad 1, is used to main indication piece 51 the master reset spring 52 of reseting elasticity is provided, rotates and be arranged on the secondary indication piece 53 in the mount pad 1 and be used to the secondary back-moving spring 54 that secondary indication piece 53 provides reseting elasticity; Said reversing plate 32 is provided with sliding surface 323; One end of said main indication piece 51 is under the effect of master reset spring 52; Be connected on the sliding surface 323 of reversing plate 32; Said main indication piece 51 can back and forth rotate in certain angle under the reset response of master reset spring 52 and under the toggle action of reversing plate 32, and the other end of said main indication piece 51 is provided with sign 511; One end of said secondary indication piece 53 is under the effect of secondary back-moving spring 54; Be connected on the sliding surface 323 of reversing plate 32; Said secondary indication piece 53 can back and forth rotate in certain angle under the reset response of secondary back-moving spring 54 and under the toggle action of reversing plate 32, and the other end of said secondary indication piece 53 is provided with sign 531.
Be equipped with waist shape hanging hole 55 on said main indication piece 51 and the secondary indication piece 53; One end hook of said master reset spring 52 hangs on the mount pad 1, and the other end is hooked in the waist shape hanging hole 55 of main indication piece 51, and in the rotation process of main indication piece 51, from then on an end of waist shape hanging hole 55 moves to the other end; One end hook of said secondary back-moving spring 54 hangs on the mount pad 1, and the other end is hooked in the waist shape hanging hole 55 of secondary indication piece 53, and in the rotation process of secondary indication piece 53, from then on an end of waist shape hanging hole 55 moves to the other end.
Also comprise interlocking device 7; Be provided with framework 41 and combined floodgate semiaxis 42 in the said operating mechanism 4; Said interlocking device 7 comprises interlock plate 71, main blocking lever 72 and duplicate invoice locking bar 73; The basic configuration of said interlock plate 71 is the Y shapes that are provided with three flanges 711, and its center is rotated through bearing pin and is arranged on the framework 41 of operating mechanism 4; Be equipped with an interlocking hole 712 in the said interlock plate 71 on each flange 711, one of them flange 711 is located on the combined floodgate semiaxis 42 through its chain borehole jack, and two flanges 711 link to each other with main blocking lever 72 or duplicate invoice locking bar 73 through its interlocking hole 712 in addition; The other end of said main blocking lever 72 links to each other with main indication piece 51, and said duplicate invoice locking bar 73 links to each other with secondary indication piece 53.
Said main indication piece 51 is provided with at it and is provided with a main connecting axle 512 between sign 511 and its center of rotation; One end of said main blocking lever 72 is provided with and is used for the waist-shaped hole that links to each other with 71 1 flanges 711 of interlock plate, and the other end is provided with and is used for the circular hole that links to each other with this main connecting axle 512; Said secondary indication piece 53 is provided with at it and is provided with a secondary connecting axle 532 between sign 531 and its center of rotation; One end of said duplicate invoice locking bar 73 is provided with and is used for the waist-shaped hole that links to each other with 71 1 flanges 711 of interlock plate, and the other end is provided with and is used for the circular hole that links to each other with this pair connecting axle 532.
Said duplicate supply contact system 2 also comprises the support plate 28 that is fixed on load outlet terminal 23 medial extremitys; Said active contact 26A and secondary moving contact 26B include the made contact supporter of copper movable contact plate 261, insulating material 262, steel Contact Cover 263, trip bolt 264 and buffering spring 265; One end and the said support plate 28 of said steel Contact Cover 263 are rotationally connected, and said movable contact plate 261 is electrically connected with load outlet terminal 23 through being flexible coupling; Said buffer spring 265 is arranged between contact supporter 262 and the movable contact plate 261.
Said Contact Cover 263 links to each other with switching mechanism; Said support plate 28 is provided with two axis holes 281, and said each Contact Cover 263 is rotated and is arranged on the said support plate 28 in the corresponding axis hole 281; Be provided with locating part 11 in the said mount pad 1 with arc confined planes 111, said each contact supporter 262 be provided with said locating part 11 in the limiting section with arc guide surface 2621 that matches of arc confined planes 111.
Also comprise guider 8; Said switching main shaft 31 is provided with two guiding connecting levers 311 and rotates and is arranged on two intermediate rotary shaft 100 on the guiding connecting lever 311; Said guider 8 comprises support 81, be arranged on guide plate 82 that two of support 81 two side ends are provided with slide opening 821, be arranged on limiting plate 83 that support 81 two side ends and between two guide plates 82 two are provided with spacing hole 831, two be provided with the fairlead 84 of dialling plate 841, two 85, intermediate sleeve of guiding tooth cover 86, two clutch springs 87, axis of guide 88, two switching-over springs 89 and three locating shafts 80 that are used to locate switching-over spring 89; Said intermediate rotary shaft 100 is passed the slide opening 821 of each guide plate 82 and the spacing hole 831 of each limiting plate 83.
The said tooth cover 85 of respectively leading is axially arranged with axis hole 851 along it, a said end that respectively leads tooth cover 85 be fixed on guide plate 82 away from the end that switches main shaft 31, other end end face is provided with friction teeth 852; The two ends of the said axis of guide 88 are arranged in the axis hole 851 of two guiding tooth covers 85; Each fairlead 84 is set on the axis of guide 88, and overlaps 85 in abutting connection with being provided with a guiding tooth, and the said tooth cover 85 that respectively leads is provided with clutch tooth 841 on an end of its tooth cover 85 that leads in abutting connection with corresponding one, and the other end is provided with two breach 842 with guiding hypotenuse; Said intermediate sleeve 86 and is fixed on the axis of guide 88 between two fairleads 84, and the two side ends of said intermediate sleeve 86 respectively is provided with two boss 861 with guiding hypotenuse, and said boss 861 matches with breach 842 on the fairlead 84; Said each clutch spring 87 is arranged between each fairlead 84 and the corresponding guiding tooth cover 85 with it, and said fairlead 84 leaves the gap between the friction teeth 852 in that its clutch tooth 841 is overlapped on 85 with the guiding tooth.
Also be provided with a spacing axis hole 832 and a positioning shaft hole 833 that is used to be provided with locating shaft 80 that is used for spacing guiding tooth cover 85 on each limiting plate 83; Said spacing hole 831 is that the circular hole 8311 by symmetrically arranged two decentraction is connected to form, and said spacing hole 831 is between its positioning shaft hole 822 and spacing axis hole 832.
Also be provided with two positioning shaft hole 822 and guiding axis holes 823 that are used to be provided with the axis of guide 88 that are used to be provided with locating shaft 80 on each guide plate 82; Its slide opening 821 matches with spacing hole 831 on the limiting plate 83, and the guiding axis hole 823 on the guide plate 82 is passed at the two ends of the said axis of guide 88; Positioning shaft hole 822 on the said limiting plate 83 is between two positioning shaft holes on the guide plate 82.
In three locating shafts 80, have a locating shaft 80 to pass 822, two locating shafts 80 of two positioning shaft holes on the limiting plate 83 and pass the corresponding positioning shaft hole 822 on two guide plates 82, and these two locating shafts 80 also are rotationally connected with a guiding connecting lever 311 separately; Each commutates spring 89 between two guide plates 82, and the one of which end is positioned to be hooked on and passes on the locating shaft 80 that is arranged on the limiting plate 83, and the other end is hooked on respectively on the locating shaft 80 that is arranged on the guide plate 82; Said guide plate 82 rotates to be arranged on through a cartridge clip 91 and switches on the main shaft 31.
Said guide plate 82 is provided with arc shaped breach 824 at it in abutting connection with a side that switches main shaft 31.
The said axis of guide 88, locating shaft 80 and intermediate rotary shaft 100 all with switch main shaft 31 and laterally arrange.
The switching mechanism and the body construction that should use-case adopt unique design; The load end of power supply commonly used and stand-by power supply is shared; Body part is become one; Shorten the overall dimension of switch greatly, thereby made that structure of the present invention is comparatively rationally compact, performance is comparatively good, effectively improved the conversion reliability.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to execution mode of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (3)
1. switching mechanism that is used for dual-power transfer switch is characterized in that: said switching mechanism (3) comprise switch main shaft (31), be arranged on reversing plate (32), the main transmission rotating shaft (33) of switching on the main shaft (31), be arranged on being used in the main transmission rotating shaft (33) drive main connecting lever assembly (34) that contact (26A) initiatively rotates, be used for interlock reversing plate (32) and main transmission rotating shaft (33) main transmission assembly (35), auxiliary driving rotating shaft (36), be arranged on the auxiliary driving assembly (38) that being used in the auxiliary driving rotating shaft (36) drives secondary connecting lever assembly (37) that secondary moving contact (26B) rotates, is used for interlock reversing plate (32) and auxiliary driving rotating shaft (36);
Said main transmission rotating shaft (33) and auxiliary driving rotating shaft (36) are symmetricly set on switches main shaft (31) both sides; Said reversing plate (32) is provided with main transmission hole (321) and auxiliary driving hole (322) of arc; Said main transmission assembly (35) comprises main transmission connecting lever (351) that is fixed in the main transmission rotating shaft (33) and the main transmission connecting rod (352) that is used to be connected main transmission connecting lever (351) and reversing plate (32); One end of said main transmission connecting rod (352) and main transmission connecting lever (351) are rotationally connected, and another side then links to each other with a bearing pin that passes the last main transmission hole (321) of reversing plate (32); Said auxiliary driving assembly (38) comprises the auxiliary driving connecting lever (381) that is fixed in the auxiliary driving rotating shaft (36) and is used for auxiliary connection transmission crank arm (381) and the auxiliary driving connecting rod (382) of reversing plate (32); One end of said auxiliary driving connecting rod (382) and auxiliary driving connecting lever (381) are rotationally connected, and another side then links to each other with another bearing pin that passes the last auxiliary driving hole (322) of reversing plate (32).
2. the switching mechanism that is used for dual-power transfer switch according to claim 1 is characterized in that: said main connecting lever assembly (34) comprises the main connecting lever (341) that is fixed in the main transmission rotating shaft (33), the master connecting-rod (342) that connects contact supporter (261) in main connecting lever (341) and the active contact (26A);
Said secondary connecting lever assembly (37) comprises the slave connecting rod (372) of contact supporter in secondary connecting lever (371), auxiliary connection connecting lever (371) and the secondary moving contact (26B) that is fixed in the auxiliary driving rotating shaft (36).
3. the switching mechanism that is used for dual-power transfer switch according to claim 2 is characterized in that: said switching mechanism (3) also comprises main auxiliary tripping spring (391) and secondary auxiliary tripping spring (392); One end hook of said main auxiliary tripping spring (391) hangs on the mount pad (1), and the other end is hooked on the main connecting lever (341); Said pair assists an end hook of tripping spring (392) to hang on the mount pad (1), and the other end is hooked on the secondary connecting lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100500535A CN102592860A (en) | 2012-02-29 | 2012-02-29 | Switching mechanism of double-power supply change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100500535A CN102592860A (en) | 2012-02-29 | 2012-02-29 | Switching mechanism of double-power supply change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102592860A true CN102592860A (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100500535A Pending CN102592860A (en) | 2012-02-29 | 2012-02-29 | Switching mechanism of double-power supply change-over switch |
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| JPH11224571A (en) * | 1998-02-09 | 1999-08-17 | Nissin Electric Co Ltd | Interlocking device for main line and spare line circuits |
| CN2922087Y (en) * | 2006-04-12 | 2007-07-11 | 宁波奇乐电器实业总公司 | Rotary shaft reversing arrangement for automatic commutation switch electric equipment |
| CN101699596A (en) * | 2009-11-04 | 2010-04-28 | 江苏大全凯帆电器有限公司 | Dual-power switch |
| CN101763959A (en) * | 2010-01-06 | 2010-06-30 | 成峰 | Transfer mechanism of transfer switch equipment (TSE) |
| CN101770888A (en) * | 2009-01-05 | 2010-07-07 | 浙宝电气(杭州)集团有限公司 | Spring operating device of high-voltage load switch |
| CN102034619A (en) * | 2010-11-29 | 2011-04-27 | 西安交通大学 | Permanent magnet mechanism automatic changeover switch |
| CN202443875U (en) * | 2012-02-29 | 2012-09-19 | 环宇集团有限公司 | Switchover mechanism for dual-power-supply transfer switch |
-
2012
- 2012-02-29 CN CN2012100500535A patent/CN102592860A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11224571A (en) * | 1998-02-09 | 1999-08-17 | Nissin Electric Co Ltd | Interlocking device for main line and spare line circuits |
| CN2922087Y (en) * | 2006-04-12 | 2007-07-11 | 宁波奇乐电器实业总公司 | Rotary shaft reversing arrangement for automatic commutation switch electric equipment |
| CN101770888A (en) * | 2009-01-05 | 2010-07-07 | 浙宝电气(杭州)集团有限公司 | Spring operating device of high-voltage load switch |
| CN101699596A (en) * | 2009-11-04 | 2010-04-28 | 江苏大全凯帆电器有限公司 | Dual-power switch |
| CN101763959A (en) * | 2010-01-06 | 2010-06-30 | 成峰 | Transfer mechanism of transfer switch equipment (TSE) |
| CN102034619A (en) * | 2010-11-29 | 2011-04-27 | 西安交通大学 | Permanent magnet mechanism automatic changeover switch |
| CN202443875U (en) * | 2012-02-29 | 2012-09-19 | 环宇集团有限公司 | Switchover mechanism for dual-power-supply transfer switch |
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Application publication date: 20120718 |