CN102568877B - Reversing device for double power supply change-over switch - Google Patents
Reversing device for double power supply change-over switch Download PDFInfo
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- CN102568877B CN102568877B CN201210050070.9A CN201210050070A CN102568877B CN 102568877 B CN102568877 B CN 102568877B CN 201210050070 A CN201210050070 A CN 201210050070A CN 102568877 B CN102568877 B CN 102568877B
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Abstract
The invention discloses a reversing device for a double power supply change-over switch. The reversing device for the double power supply change-over switch comprises a switching spindle and a guide device, wherein two guide crank arms and middle rotating shafts are arranged on the switching spindle; the middle rotating shafts are arranged on the two guide crank arms in a rotating way; the guide device comprises a bracket, two guide plates, two limiting plates, two guide sleeves, two guide toothed sleeves, a middle sleeve, two clutch springs, a guide shaft, two reversing springs and locating shafts, wherein the bracket is fixed on the switching spindle; the guide plates are provided with sliding holes and arranged on the bracket; the limiting plates are arranged on the bracket, positioned between the two guide plates and provided with limiting holes; the guide sleeves are provided with shifting plates; and the locating shafts are used for locating the reversing springs. The reversing device for the double power supply change-over switch has the following advantages that: when the double power supply changeover switch is used for switching the power supplies, the guide plates and the limiting plates are driven to rotate through the rotation of the guide sleeves to damage transmission dead points, and then the middle rotating shafts and the switching spindle are driven to rotate; and the switching spindle is rotated in a desired direction so that the reliability of an automatic changeover switch can be improved.
Description
Technical field
The invention belongs to low-voltage electrical apparatus structure-design technique field, be specifically related to a kind of reversing arrangement 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 Properties index effect has direct relation.The automatic transfer switching electric appliance of traditional more than 630A specification uses dual-mechanism or double electromagnet interlock, its shortcoming is adopting the quality of fit of many its each parts of complex structure of dual-mechanism its parts of transmission to require height, and break down often; Adopt double electromagnet interlock to need in debugging and maintenance the action of electromagnet power switch ability, otherwise automatic change-over just can not use.
Be the diverter switch electrical equipment of the place use that 630A electricity consumption requirement can not have a power failure both at home and abroad in rated current, great majority are all that two the omnipotent breaker switches adopted add switch controller and mechanical interlocking and form, and its design feature is: adopt two omnipotent breakers that two cabinets just must be adopted to add connection busbar between the secondary control loop of these two switches and this two cabinet.So not only uneconomical, but also waste resource, and floor space is large.
Adopt above-mentioned two kinds of duplicate supply switching modes, have certain switching effect, but unparalleled point of position also exist switching longer, in handoff procedure, have obvious interruption duration and the weak point such as easily to break down.
Summary of the invention
The object of this invention is to provide the reversing arrangement for dual-power transfer switch of comparatively excellent, the effective raising switching reliability of a kind of performance.
The technical scheme realizing the object of the invention is: a kind of reversing arrangement for dual-power transfer switch, comprises and switches main shaft and guider; Described switching main shaft is provided with two guiding connecting levers and rotates the intermediate rotary shaft be arranged on two guiding connecting levers; The guide plate that described guider comprises support, two of being arranged on support are provided with slide opening, be arranged on support and between two guide plates two be provided with spacing hole limiting plate, two be provided with the fairlead of plate, two guiding tooth covers, an intermediate sleeve, two brake springs, the axis of guide, two commutation springs and the locating shafts for locating commutation spring; Described intermediate rotary shaft is through the slide opening of each guide plate and the spacing hole of each limiting plate.
In such scheme, described each guiding tooth cover is axially arranged with axis hole along it, and one end of described each guiding tooth cover is fixed on one end away from switching main shaft of guide plate, and other end end face is provided with friction teeth; The two ends of the described axis of guide are arranged in the axis hole of two guiding tooth covers; Each fairlead is set on the axis of guide, and overlaps adjacent setting with the tooth that leads, and one end that described each guiding tooth is enclosed within its adjacent corresponding guiding tooth cover is provided with clutch tooth, and the other end is provided with two breach with guiding hypotenuse; Described intermediate sleeve between two fairleads, and is fixed on the axis of guide, and the two side ends of described intermediate sleeve is respectively provided with the boss that two have guiding hypotenuse, and described boss matches with the breach on fairlead; Described each brake spring is arranged between each fairlead and the tooth that leads corresponding to it overlap, and described fairlead makes its clutch tooth and guiding tooth overlap between friction teeth and leaves gap under the top pressure effect of brake spring.
In such scheme, each limiting plate is also provided with a spacing axis hole for spacing guiding tooth cover and one for arranging the positioning shaft hole of locating shaft; Described spacing hole is connected to form by the circular hole of symmetrically arranged two decentraction, and described spacing hole is between its positioning shaft hole and spacing axis hole.
In such scheme, for arranging the guiding axis hole of the axis of guide, its slide opening matches with the spacing hole on limiting plate for arranging the positioning shaft hole of locating shaft and one each guide plate to be also provided with two, and the two ends of the described axis of guide are through the guiding axis hole on guide plate; Positioning shaft hole on described limiting plate is on guide plate between two positioning shaft holes.
In such scheme, in three locating shafts, have a locating shaft through the positioning shaft hole on two limiting plates, two locating shafts are through the corresponding positioning shaft hole on two guide plates, and these two locating shafts are also rotationally connected with the connecting lever that leads separately; Each commutation spring is between two guide plates, and its one end is positioned at and is hooked on through on the locating shaft be arranged on limiting plate, and the other end is hooked on a locating shaft being arranged on guide plate respectively; Described guide plate rotates to be arranged on by a cartridge clip and switches on main shaft.
In such scheme, described guide plate is provided with arc shaped breach at its adjacent side switching main shaft.
In such scheme, the described axis of guide, locating shaft and intermediate rotary shaft are all arranged with switching main axis parallel.
The present invention has positive effect: when dual-power transfer switch is when carrying out electrical source exchange, the rotating band action-oriented plate of fairlead and limiting plate is utilized to rotate, destroy transmission dead point, and then drive intermediate rotary shaft and switch main axis, switching main shaft is rotated to required direction, thus the reliability of automatic change-over can be increased.
In addition, described spacing hole is connected to form by the circular hole of symmetrically arranged two decentraction, and it is used that this shape is especially applicable to structure of the present invention, further increases its reliability, and its fitting operation is comparatively convenient quick.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation switching main shaft in the present invention;
Fig. 2 is a kind of structural representation of guider in the present invention;
A kind of end view of guider shown in Fig. 3 Fig. 2;
Fig. 4 is a kind of end view of guide plate in guider shown in Fig. 2;
Fig. 5 is a kind of end view of limiting plate in guider shown in Fig. 2;
Fig. 6 is a kind of structural representation of the double power supply automatic transfer switch adopting the present invention to make;
A kind of sectional structure schematic diagram that Fig. 7 is double power supply automatic transfer switch shown in Fig. 6;
Fig. 8 is a kind of structural representation of duplicate supply contact system in double power supply automatic transfer switch shown in Fig. 6;
A kind of sectional structure schematic diagram that Fig. 9 is the contact system of duplicate supply shown in Fig. 8;
Figure 10 is a kind of structural representation of interlock plate in double power supply automatic transfer switch shown in Fig. 6;
Figure 11 is a kind of structural representation of switching mechanism in double power supply automatic transfer switch shown in Fig. 6.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 5 shows a kind of embodiment of the present invention, and wherein Fig. 1 is a kind of structural representation switching main shaft in the present invention; Fig. 2 is a kind of structural representation of guider in the present invention; A kind of end view of guider shown in Fig. 3 Fig. 2; Fig. 4 is a kind of end view of guide plate in guider shown in Fig. 2; Fig. 5 is a kind of end view of limiting plate in guider shown in Fig. 2.
The present embodiment is a kind of reversing arrangement for dual-power transfer switch, sees Fig. 1 to Fig. 5, comprises and switches main shaft 31 and guider 8; Described switching main shaft 31 is provided with two guiding connecting levers 311 and rotates the intermediate rotary shaft 100 be arranged on two guiding connecting levers 311; Described guider 8 comprises support 81, be arranged on two of the support 81 two side ends guide plates 82 being provided with slide opening 821, be arranged on support 81 two side ends and the limiting plate 83, two that between two guide plates 82 two are provided with spacing hole 831 is provided with fairlead 84, two guiding tooth cover 85, intermediate sleeve, 86, two brake springs 87, axis of guide 88, two commutation springs 89 of plate 841 and three for locating the locating shaft 80 of commutation spring 89; Described intermediate rotary shaft 100 is through the slide opening 821 of each guide plate 82 and the spacing hole 831 of each limiting plate 83.
Described each guiding tooth cover 85 is axially arranged with axis hole 851 along it, and one end of described each guiding tooth cover 85 is fixed on one end away from switching main shaft 31 of guide plate 82, and other end end face is provided with friction teeth 852; The two ends of the described 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 with the tooth that leads and adjacent to arrange, and described each guiding tooth cover 85 is provided with clutch tooth 841 on one end of its adjacent corresponding guiding tooth cover 85, and the other end is provided with two breach 842 with the hypotenuse that leads; Described intermediate sleeve 86 between two fairleads 84, and is fixed on the axis of guide 88, and the two side ends of described intermediate sleeve 86 is respectively provided with the boss 861 that two have guiding hypotenuse, and described boss 861 matches with the breach 842 on fairlead 84; Described each brake spring 87 is arranged on each fairlead 84 and a lead tooth corresponding to it overlaps between 85, and described fairlead 84 makes its clutch tooth 841 and guiding tooth overlap on 85 and leaves gap between friction teeth 852 under the top pressure effect of brake spring 87.
Each limiting plate 83 is also provided with a spacing axis hole 832 for spacing guiding tooth cover 85 and one for arranging the positioning shaft hole 833 of locating shaft 80; Described spacing hole 831 is connected to form by the circular hole 8311 of symmetrically arranged two decentraction, and described spacing hole 831 is between its positioning shaft hole 822 and spacing axis hole 832.
Each guide plate 82 is also provided with two for arranging the positioning shaft hole 822 of locating shaft 80 and one for arranging the guiding axis hole 823 of the axis of guide 88, its slide opening 821 matches with the spacing hole 831 on limiting plate 83, and the two ends of the described axis of guide 88 are through the guiding axis hole 823 on guide plate 82; Positioning shaft hole 822 on described limiting plate 83 is on guide plate 82 between two positioning shaft holes.
In three locating shafts 80, have a locating shaft 80 through positioning shaft hole 822, two locating shafts 80 on two limiting plates 83 through the corresponding positioning shaft hole 822 on two guide plates 82, and these two locating shafts 80 are also rotationally connected with the connecting lever 311 that leads separately; Each commutation spring 89 is between two guide plates 82, and its one end is positioned at and is hooked on through on the locating shaft 80 be arranged on limiting plate 83, and the other end is hooked on a locating shaft 80 being arranged on guide plate 82 respectively; Described guide plate 82 rotates to be arranged on by a cartridge clip 91 and switches on main shaft 31.
Described guide plate 82 is provided with arc shaped breach 824 at its adjacent side switching main shaft 31.
The described axis of guide 88, locating shaft 80 and intermediate rotary shaft 100 all be arranged in parallel with switching main shaft 31.
The present embodiment has positive effect: when dual-power transfer switch is when carrying out electrical source exchange, the rotating band action-oriented plate 6 of fairlead 1 and limiting plate is utilized to rotate, destroy transmission dead point, and then drive intermediate rotary shaft and switch main axis, switching main shaft is rotated to required direction, thus the reliability of automatic change-over can be increased.
In addition, described spacing hole 831 is connected to form by the circular hole 8311 of symmetrically arranged two decentraction, and it is used that this shape is especially applicable to structure of the present invention, further increases its reliability, and its fitting operation is comparatively convenient quick.
(application examples)
Fig. 6 to Figure 11, shows a kind of embody rule mode of above-described embodiment 1, and wherein Fig. 6 is a kind of structural representation of the double power supply automatic transfer switch adopting the present invention to make; A kind of sectional structure schematic diagram that Fig. 7 is double power supply automatic transfer switch shown in Fig. 6; Fig. 8 is a kind of structural representation of duplicate supply contact system in double power supply automatic transfer switch shown in Fig. 6; A kind of sectional structure schematic diagram that Fig. 9 is the contact system of duplicate supply shown in Fig. 8; Figure 10 is a kind of structural representation of interlock plate in double power supply automatic transfer switch shown in Fig. 6; Figure 11 is a kind of structural representation of switching mechanism in double power supply automatic transfer switch shown in Fig. 6.
Should use-case be a kind of double power supply automatic transfer switch, see Fig. 1 to Figure 11, comprise mount pad 1, and be arranged on duplicate supply contact system 2, switching mechanism 3 and the operating mechanism 4 on mount pad 1; Described duplicate supply contact system 2 comprises main power source input terminal 21, auxiliary power input terminal 22, load outlet terminal 23, the main fixed contact 24 be connected with main power source input terminal 21, the secondary fixed contact 25 be connected with auxiliary power input terminal 22, rotates the active contact 26A be arranged on mount pad 1, rotates the secondary moving contact 26B be arranged on mount pad 1; Described 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 described load outlet terminal 23 is arranged between main power source input terminal 21 and auxiliary power input terminal 22; Described operating mechanism 4 is arranged on another side of mount pad 1.
Described switching mechanism 3 comprises switching main shaft 31, be arranged on the reversing plate 32 switched on main shaft 31, main transmission rotating shaft 33, be arranged on the main connecting lever assembly 34 for driving initiatively contact 26A to rotate in main transmission rotating shaft 33, for the main transmission assembly 35 of interlock reversing plate 32 with main transmission rotating shaft 33, auxiliary driving rotating shaft 36, be arranged on the secondary connecting lever assembly 37 for driving secondary moving contact 26B to rotate in auxiliary driving rotating shaft 36, for the auxiliary transmission component 38 of interlock reversing plate 32 with auxiliary driving rotating shaft 36, described main transmission rotating shaft 33 and auxiliary driving rotating shaft 36 are symmetricly set on and switch main shaft 31 both sides, described reversing plate 32 is provided with main transmission hole 321 and the auxiliary driving hole 322 of arc, described main transmission assembly 35 comprises and is fixed on main transmission connecting lever 351 in main transmission rotating shaft 33 and the main transmission connecting rod 352 for being connected main transmission connecting lever 351 and reversing plate 32, one end and the main transmission connecting lever 351 of described main transmission connecting rod 352 are rotationally connected, and another side then with through a bearing pin in main transmission hole 321 on reversing plate 32 is connected, described auxiliary transmission component 38 comprises and is fixed on auxiliary transmission crank arm 381 in auxiliary driving rotating shaft 36 and for the auxiliary driving connecting rod 382 of auxiliary connection transmission crank arm 381 with reversing plate 32, one end and the auxiliary transmission crank arm 381 of described auxiliary driving connecting rod 382 are rotationally connected, and another side then with through another bearing pin in auxiliary driving hole 322 on reversing plate 32 is connected.
Described main connecting lever assembly 34 comprises the main connecting lever 341 be fixed in main transmission rotating shaft 33, connects the master connecting-rod 342 of contact supporter 261 in main connecting lever 341 and active contact 26A; Described secondary connecting lever assembly 37 comprises the slave connecting rod 372 of contact supporter in the secondary connecting lever 371 be fixed in auxiliary driving rotating shaft 36, auxiliary connection connecting lever 371 and secondary moving contact 26B.
Described switching mechanism 3 also comprises main auxiliary tripping spring 391 and pair assists tripping spring 392; One end of described main auxiliary tripping spring 391 is hooked on mount pad 1, and the other end is hooked on main connecting lever 341; Described pair assists one end of tripping spring 392 to be hooked on mount pad 1, and the other end is hooked on secondary connecting lever.
Also comprise indicating mechanism 5, described indicating mechanism 5 comprises rotating and is arranged on main indication piece 51 in mount pad 1, for providing the master reset spring 52 of reseting elasticity for main indication piece 51, rotates the secondary indication piece 53 that is arranged in mount pad 1 and for providing the secondary back-moving spring 54 of reseting elasticity for secondary indication piece 53; Described reversing plate 32 is provided with sliding surface 323; One end of described main indication piece 51 is under the effect of master reset spring 52, be connected on the sliding surface 323 of reversing plate 32, described main indication piece 51 under the reset response of master reset spring 52 and under the toggle action of reversing plate 32 can in certain angle reciprocating rotation, the other end of described main indication piece 51 is provided with sign 511; One end of described 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, described secondary indication piece 53 under the reset response of secondary back-moving spring 54 and under the toggle action of reversing plate 32 can in certain angle reciprocating rotation, the other end of described secondary indication piece 53 is provided with sign 531.
Described main indication piece 51 and secondary indication piece 53 are equipped with kidney-shaped hanging hole 55; One end of described master reset spring 52 is hooked on mount pad 1, and the other end is hooked in the kidney-shaped hanging hole 55 of main indication piece 51, and in the rotation process of main indication piece 51, from then on one end of kidney-shaped hanging hole 55 moves to the other end; One end of described secondary back-moving spring 54 is hooked on mount pad 1, and the other end is hooked in the kidney-shaped hanging hole 55 of secondary indication piece 53, and in the rotation process of secondary indication piece 53, from then on one end of kidney-shaped hanging hole 55 moves to the other end.
Also comprise interlocking device 7; Framework 41 and combined floodgate semiaxis 42 is provided with in described operating mechanism 4; Described interlocking device 7 comprises interlock plate 71, main blocking lever 72 and duplicate invoice locking bar 73; The basic configuration of described interlock plate 71 is the Y shapes being provided with three flanges 711, and its center is rotated by bearing pin and is arranged on the framework 41 of operating mechanism 4; In described interlock plate 71, each flange 711 is equipped with an interlocking hole 712, one of them flange 711 is located on combined floodgate semiaxis 42 by its chain borehole jack, and another two flanges 711 are connected with main blocking lever 72 or duplicate invoice locking bar 73 by its interlocking hole 712; The other end of described main blocking lever 72 is connected with main indication piece 51, and described duplicate invoice locking bar 73 is connected with secondary indication piece 53.
Described main indication piece 51 is provided with between sign 511 and its center of rotation at it and is provided with a main connecting axle 512; One end of described main blocking lever 72 is provided with the waist-shaped hole for being connected with a flange 711 in interlock plate 71, and the other end is provided with the circular hole for being connected with this main connecting axle 512; Described secondary indication piece 53 is provided with between sign 531 and its center of rotation at it and is provided with a secondary connecting axle 532; One end of described duplicate invoice locking bar 73 is provided with the waist-shaped hole for being connected with a flange 711 in interlock plate 71, and the other end is provided with the circular hole for being connected with this secondary connecting axle 532.
Described duplicate supply contact system 2 also comprises the support plate 28 being fixed on load outlet terminal 23 medial extremity; Described active contact 26A and secondary moving contact 26B includes copper and moves touch panel 261, the made contact supporter 262 of insulating material, steel Contact Cover 263, trip bolt 264 and buffer spring 265; One end and the described support plate 28 of described steel Contact Cover 263 are rotationally connected, and described dynamic touch panel 261 to be electrically connected with load outlet terminal 23 by being flexible coupling; Described buffer spring 265 is arranged between contact supporter 262 and dynamic touch panel 261.
Described Contact Cover 263 is connected with switching mechanism; Described support plate 28 is provided with two axis holes 281, and described each Contact Cover 263 is rotated and to be arranged on described support plate 28 in a corresponding axis hole 281; Be provided with the locating part 11 with arc-shaped limit face 111 in described mount pad 1, described each contact supporter 262 is provided with the limiting section 2621 with arc guide surface matched with arc-shaped limit face 111 in described locating part 11.
Also comprise guider 8; Described switching main shaft 31 is provided with two guiding connecting levers 311 and rotates the intermediate rotary shaft 100 be arranged on two guiding connecting levers 311; Described guider 8 comprises support 81, be arranged on two of the support 81 two side ends guide plates 82 being provided with slide opening 821, be arranged on support 81 two side ends and the limiting plate 83, two that between two guide plates 82 two are provided with spacing hole 831 is provided with fairlead 84, two guiding tooth cover 85, intermediate sleeve, 86, two brake springs 87, axis of guide 88, two commutation springs 89 of plate 841 and three for locating the locating shaft 80 of commutation spring 89; Described intermediate rotary shaft 100 is through the slide opening 821 of each guide plate 82 and the spacing hole 831 of each limiting plate 83.
Described each guiding tooth cover 85 is axially arranged with axis hole 851 along it, and one end of described each guiding tooth cover 85 is fixed on one end away from switching main shaft 31 of guide plate 82, and other end end face is provided with friction teeth 852; The two ends of the described 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 with the tooth that leads and adjacent to arrange, and described each guiding tooth cover 85 is provided with clutch tooth 841 on one end of its adjacent corresponding guiding tooth cover 85, and the other end is provided with two breach 842 with the hypotenuse that leads; Described intermediate sleeve 86 between two fairleads 84, and is fixed on the axis of guide 88, and the two side ends of described intermediate sleeve 86 is respectively provided with the boss 861 that two have guiding hypotenuse, and described boss 861 matches with the breach 842 on fairlead 84; Described each brake spring 87 is arranged on each fairlead 84 and a lead tooth corresponding to it overlaps between 85, and described fairlead 84 makes its clutch tooth 841 and guiding tooth overlap on 85 and leaves gap between friction teeth 852 under the top pressure effect of brake spring 87.
Each limiting plate 83 is also provided with a spacing axis hole 832 for spacing guiding tooth cover 85 and one for arranging the positioning shaft hole 833 of locating shaft 80; Described spacing hole 831 is connected to form by the circular hole 8311 of symmetrically arranged two decentraction, and described spacing hole 831 is between its positioning shaft hole 822 and spacing axis hole 832.
Each guide plate 82 is also provided with two for arranging the positioning shaft hole 822 of locating shaft 80 and one for arranging the guiding axis hole 823 of the axis of guide 88, its slide opening 821 matches with the spacing hole 831 on limiting plate 83, and the two ends of the described axis of guide 88 are through the guiding axis hole 823 on guide plate 82; Positioning shaft hole 822 on described limiting plate 83 is on guide plate 82 between two positioning shaft holes.
In three locating shafts 80, have a locating shaft 80 through positioning shaft hole 822, two locating shafts 80 on two limiting plates 83 through the corresponding positioning shaft hole 822 on two guide plates 82, and these two locating shafts 80 are also rotationally connected with the connecting lever 311 that leads separately; Each commutation spring 89 is between two guide plates 82, and its one end is positioned at and is hooked on through on the locating shaft 80 be arranged on limiting plate 83, and the other end is hooked on a locating shaft 80 being arranged on guide plate 82 respectively; Described guide plate 82 rotates to be arranged on by a cartridge clip 91 and switches on main shaft 31.
Described guide plate 82 is provided with arc shaped breach 824 at its adjacent side switching main shaft 31.
The described axis of guide 88, locating shaft 80 and intermediate rotary shaft 100 all be arranged in parallel with switching main shaft 31.
The switching mechanism of unique design and body construction should be adopted by use-case, the load end of conventional power supply and stand-by power supply is shared, body part is made to become to be integrated, substantially reduce the overall dimension of switch, thus make overall structure comparatively rationally compact, performance is comparatively excellent, effectively improves switching reliability.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (6)
1. the reversing arrangement for dual-power transfer switch, comprise and switch main shaft (31) and guider (8), it is characterized in that: described switching main shaft (31) is provided with two guiding connecting lever (311) and rotation is arranged on two intermediate rotary shaft (100) led on connecting lever (311), described guider (8) comprises the support (81) being fixed on and switching on main shaft (31), two of being arranged on support (81) are provided with the guide plate (82) of slide opening (821), be arranged on the limiting plate (83) that upper and two of being positioned between two guide plates (82) of support (81) are provided with spacing hole (831), two fairleads (84) being provided with plate (841), two guiding tooth cover (85), an intermediate sleeve (86), two brake springs (87), an axis of guide (88), two commutations spring (89) and the locating shaft (80) for locating commutation spring (89), described each guiding tooth cover (85) is axially arranged with axis hole (851) along it, one end of described each guiding tooth cover (85) is fixed on one end away from switching main shaft (31) of guide plate (82), and other end end face is provided with friction teeth (852), the two ends of the described axis of guide (88) are arranged in the axis hole (851) of two guiding tooth cover (85), each fairlead (84) is set on the axis of guide (88), and the tooth cover (85) that leads with is respectively adjacent arranges, described each guiding tooth cover (85) is provided with clutch tooth (841) on one end of its adjacent corresponding guiding tooth cover (85), and the other end is provided with two breach (842) with guiding hypotenuse, described intermediate sleeve (86) is positioned between two fairleads (84), and be fixed on the axis of guide (88), the two side ends of described intermediate sleeve (86) is respectively provided with the boss (861) that two have guiding hypotenuse, and described boss (861) matches with the breach (842) on fairlead (84), described each brake spring (87) be arranged on each fairlead (84) and corresponding to it one lead between tooth cover (85), described fairlead (84) makes to leave gap between its clutch tooth (841) and the upper friction teeth (852) of guiding tooth cover (85) under the top pressure effect of brake spring (87), the quantity of described locating shaft (80) is three, in three locating shafts (80), there is a locating shaft (80) through the positioning shaft hole (822) on two limiting plates (83), two locating shafts (80) are through the corresponding positioning shaft hole (822) on two guide plates (82), and these two locating shafts (80) are also rotationally connected with the connecting lever (311) that leads separately, each commutation spring (89) is positioned between two guide plates (82), and its one end is hooked on through on the locating shaft (80) be arranged on limiting plate (83) respectively, the other end is hooked on a locating shaft (80) being arranged on guide plate (82) respectively.
2. the reversing arrangement for dual-power transfer switch according to claim 1, its architectural feature is: each limiting plate (83) is also provided with a spacing axis hole (832) for spacing guiding tooth cover (85) and one for arranging the positioning shaft hole (833) of locating shaft (80); Described spacing hole (831) is connected to form by the circular hole (8311) of symmetrically arranged two decentraction, and described spacing hole (831) is positioned between its positioning shaft hole (822) and spacing axis hole (832).
3. the reversing arrangement for dual-power transfer switch according to claim 2, its architectural feature is: each guide plate (82) is also provided with two for arranging the positioning shaft hole (822) of locating shaft (80) and one for arranging the guiding axis hole (823) of the axis of guide (88), its slide opening (821) matches with the spacing hole (831) on limiting plate (83), and the two ends of the described axis of guide (88) are through the guiding axis hole (823) on guide plate (82); Positioning shaft hole (822) on described limiting plate (83) is positioned between upper two positioning shaft holes of guide plate (82).
4. the reversing arrangement for dual-power transfer switch according to claim 3, its architectural feature is: described guide plate (82) rotates to be arranged on by a cartridge clip (91) and switches on main shaft (31).
5. the reversing arrangement for dual-power transfer switch according to claim 4, its architectural feature is: described guide plate (82) is provided with arc shaped breach (824) at its adjacent side switching main shaft (31).
6. the reversing arrangement for dual-power transfer switch according to claim 5, its architectural feature is: the described axis of guide (88) and locating shaft (80) be arranged in parallel with switching main shaft (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050070.9A CN102568877B (en) | 2012-02-29 | 2012-02-29 | Reversing device for double power supply change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050070.9A CN102568877B (en) | 2012-02-29 | 2012-02-29 | Reversing device for double power supply change-over switch |
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| Publication Number | Publication Date |
|---|---|
| CN102568877A CN102568877A (en) | 2012-07-11 |
| CN102568877B true CN102568877B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210050070.9A Active CN102568877B (en) | 2012-02-29 | 2012-02-29 | Reversing device for double power supply change-over switch |
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| CN200947393Y (en) * | 2006-08-18 | 2007-09-12 | 宁波奇乐电器实业总公司 | Automatic change-over electric appliance |
| CN101145466A (en) * | 2006-09-14 | 2008-03-19 | 阿雷瓦T&D股份公司 | Earthing switch mechanism |
| CN201007947Y (en) * | 2007-02-13 | 2008-01-16 | 深圳市泰永科技股份有限公司 | Switch conversion device and automatic conversion device having the same |
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| CN102568877A (en) | 2012-07-11 |
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