CN202384242U - Three-position operation mechanism interlock device - Google Patents
Three-position operation mechanism interlock device Download PDFInfo
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- CN202384242U CN202384242U CN2011204836508U CN201120483650U CN202384242U CN 202384242 U CN202384242 U CN 202384242U CN 2011204836508 U CN2011204836508 U CN 2011204836508U CN 201120483650 U CN201120483650 U CN 201120483650U CN 202384242 U CN202384242 U CN 202384242U
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Abstract
The utility model relates to a three-position operation mechanism interlock device, which is characterized in that: a ground switch operation shaft is fixedly connected with a ground switch operation crank and a right spring crank, wherein a load switch operation shaft is fixedly connected with a load switch operation crank, and a left spring crank, and a closing spring and an opening spring are flexibly coupled between the left spring crank and the right spring crank. The ground switch operation shaft and the load switch operation shaft are respectively provided with a first shaft segment with a plane cut and a second shaft segment, an interlock plate is provided with a first shaft hole connected with the first shaft segment and a second shaft hole connected with the second shaft segment, the first shaft hole is formed by laminating a half of a rectangular hole with an internal round hole of the rectangular hole, the edge of the rectangular hole is equal to a diameter of the arc of the first shaft segment, the second shaft hole and the first shaft hole are centrally symmetrical relative to the center of the interlock plate. The three-position operation mechanism interlock device is simple in structure, high in operation reliability, effectively avoids the generation of misoperation, and suitable for being used as the three-position operation mechanism interlock device of a high voltage switch or improvement in the structures of the same type products.
Description
Technical field
The utility model relates to the mechanical operating mechanism of high-voltage switch gear, is a kind of three station operating mechanism interlocks.
Background technology
Three station operating mechanisms generally are in high-voltage switch gear, to be used to control on-load switch and earthed switch.Existing three station operating mechanism interlocks; Granted publication CN200986884Y like Chinese patent document publication; On December 5 2007 Granted publication day, the utility model name is called " tri-station isolating switch mechanical interlocks ", and its primary structure comprises drive motors, driving wheel and at least three coupled wheels that once connect; Wherein three coupled wheels are connected with insulation blanket stud respectively; Installation end Monday of one of them coupled wheel is provided with the conversion wheels, and the output of conversion wheels is provided with screw mandrel, and screw mandrel is provided with stroke nut.Be provided with at least one transition wheel between driving wheel and a coupled wheel, an end of one of them transition wheel is provided with and the clutch of changing the coaxial setting of coupled wheel that wheels are connected.The mount pad of screw mandrel location is provided with guide post and gag lever post, and gag lever post is provided with the backing pin that matches with stroke nut, the rocking arm that is provided with swing arm, connecting lever axle between the backing pin of gag lever post one end and the clutch successively and matches with clutch.In addition, it also is provided with respectively the quadric chain that can match with operating grip, manually interlock plate and electrical interlocking plate.This kind interlock, linkage structure are comparatively complicated, and the accuracy of manufacture has relatively high expectations, and it is bigger to produce input cost.
The Granted publication CN201278326Y of Chinese patent document publication and for example; July 22 2009 Granted publication day; The utility model name is called " the manual operation interlock of high-voltage switch gear three position mechanism ", and this interlock comprises first sprocket wheel, passes through second sprocket wheel that chain links to each other with first sprocket wheel, and is mutually meshing with the bevel gear and first tooth that second sprocket coaxiality is installed; The bevel gear and first tooth installed with second sprocket coaxiality are meshed; With coaxial mounted bevel gear of this first gear and the engagement of first tooth bar, tooth bar then is fixed on the interlock plate, and has first, second operation slotted hole on this interlock plate; When isolating switch, earthed switch are under the gate-dividing state; First, second screw mandrel lever piece all is exposed to corresponding operation slotted hole, and one of them is under the "on" position when isolating switch, earthed switch, in first, second screw mandrel only one of them operating side be exposed in the corresponding operation slotted hole.Though this interlock can be realized effective interlocking, structure is still comparatively complicated, and adopts the structure installation of chain, sprocket wheel loaded down with trivial details, and structural stability is not good enough.
Summary of the invention
Not enough for overcoming appeal; The purpose of the utility model is to this area a kind of three station operating mechanism interlocks to be provided, and it is comparatively complicated to make it solve existing like product structure, makes comparatively inconvenience of processing; The technical problem that dependability is not good enough its objective is and realizes through following technical scheme.
A kind of three station operating mechanism interlocks; This interlock comprises base plate, earthed switch output toggle arm, earthed switch operating axis, on-load switch operating axis, on-load switch output toggle arm; The movable respectively base plate both sides that connect of earthed switch output toggle arm, on-load switch output toggle arm; The endoporus of earthed switch output toggle arm is fixedly connected the earthed switch operating axis, and the endoporus of on-load switch output toggle arm is fixedly connected the on-load switch operating axis; Its structural feature is: said earthed switch operating axis is fixedly connected earthed switch operation connecting lever, right spring connecting lever; The on-load switch operating axis is fixedly connected on-load switch operation connecting lever, left spring connecting lever, and activity connects the divide-shut brake spring between left spring connecting lever and the right spring connecting lever.When operational grounding switching manipulation axle or on-load switch operating axis, drive left spring connecting lever or right spring connecting lever and rotate, thereby the divide-shut brake spring is carried out energy storage; After energy storage is accomplished; Automatically release ability by the divide-shut brake spring, promote left spring connecting lever or right spring connecting lever and be rotated further, accomplish corresponding the combined floodgate or sub-switching operation; Operate comparatively laborsaving, simple, safe.
Said earthed switch operating axis is provided with first shaft part of band plane otch; Said on-load switch operating axis is provided with second shaft part of band plane otch; Be connected interlock plate between first shaft part and second shaft part; Interlock plate is provided with first axis hole that connects said first shaft part, and second axis hole that connects said second shaft part, and said first axis hole is formed by stacking with this foursquare inscribed circle hole the half the of square hole; The length of side of said square hole equals the diameter of the said first shaft part circular arc, and said second axis hole and said first axis hole are centrosymmetric with respect to the center of said interlock plate.Through said structure is set, rely on the achieve a butt joint interlocking of ground switching manipulation axle, on-load switch operating axis of first axis hole, second axis hole of interlock plate, when promptly both one of which of earthed switch operating axis or on-load switch operating axis rotate earlier; Another person can't rotate; Have only after rotation person resets in the ban, another person can operate, thereby has effectively avoided misoperation; And the interlocking principle is simple, good reliability.
The middle straight flange of the middle straight flange of said first axis hole and said second axis hole is relatively positive, said in the middle of straight flange be meant in said first axis hole, second axis hole and the corresponding straight flange in arc limit separately, be provided with the stress balance that is beneficial to interlock plate like this.
Above-mentioned left spring connecting lever, right spring connecting lever with the movable structure that connects of divide-shut brake spring are: hinged said divide-shut brake spring one end of said left spring connecting lever, the hinged said right spring connecting lever of the divide-shut brake spring other end.Perhaps, said left spring connecting lever, right spring connecting lever connect said divide-shut brake spring through universal ball end.
Said base plate is provided with said earthed switch output toggle arm, the spacing guide vane end stop of on-load switch output toggle arm.Guide vane end stop is to the earthed switch output toggle arm, when the on-load switch output toggle arm is spacing, and is also spacing to ground connection switching manipulation axle, on-load switch operating axis.
The utility model is simple in structure, and number of components is few, produces easily, and operating reliability is high, has effectively avoided the generation of misoperation, and the three station operating mechanism interlocks that are suitable as high-voltage switch gear use, or the architecture advances of like product.
Description of drawings
Fig. 1 is the perspective view of the utility model.
Fig. 2 is the planar structure sketch map of the utility model.
Fig. 3 is the structural representation that the utility model on-load switch operating axis rotate in place.
Fig. 4 is the structural representation that the utility model earthed switch operating axis rotate in place.
The name of sequence number is called among the figure: 1, base plate, 2, the earthed switch output toggle arm, 3, guide vane end stop, 4, earthed switch operation connecting lever; 5, earthed switch operating axis, 501, first shaft part, 6, interlock plate, 601, first axis hole; 602, second axis hole, 7, the on-load switch operating axis, 701, second shaft part, 8, on-load switch operation connecting lever; 9, on-load switch output toggle arm, 10, the left spring connecting lever, 11, the divide-shut brake spring, 12, right spring connecting lever.
Embodiment
Combine accompanying drawing at present, the utility model is further described.
Like Fig. 1, shown in Figure 2; This three stations operating mechanism interlock comprises base plate 1, earthed switch output toggle arm 2, earthed switch operation connecting lever 4, earthed switch operating axis 5, on-load switch operating axis 7, on-load switch operation connecting lever 8, on-load switch output toggle arm 9, left spring connecting lever 10, divide-shut brake spring 11, right spring connecting lever 12; Base plate 1 both sides are through movable respectively earthed switch output toggle arm 2, the on-load switch output toggle arm 9 of connecting of connecting hole; The earthed switch output toggle arm is fixedly connected earthed switch operating axis 5 through endoporus; The earthed switch operating axis is fixedly connected right spring connecting lever 12, earthed switch operation connecting lever 4, and right spring connecting lever places earthed switch output toggle arm and earthed switch to operate between the connecting lever; On-load switch output toggle arm 9 is fixedly connected on-load switch operating axis 7 through endoporus, and the on-load switch operating axis is fixedly connected left spring connecting lever 10, on-load switch operation connecting lever 8, and the left spring connecting lever places between on-load switch output toggle arm and the on-load switch operation connecting lever.Left spring connecting lever, right spring connecting lever offset and are connected with on-load switch operation connecting lever 8, earthed switch operation connecting lever 4 respectively.Base plate is provided with and is used for earthed switch output toggle arm, the spacing guide vane end stop 3 of on-load switch output toggle arm.The earthed switch operating axis is provided with first shaft part 501 of band plane otch; The on-load switch operating axis is provided with second shaft part 702 of band plane otch; Be connected through interlock plate 6 between earthed switch operating axis and the combination switch operating axis; Concrete syndeton is: interlock plate 6 is provided with first axis hole 601, second axis hole, 602, the first axis holes and second axis hole that are connected with above-mentioned first shaft part 501, second shaft part 702 and is centrosymmetric with respect to the center of interlock plate.First axis hole 601 is the holes that formed with this square inscribed circle hole stack by the half the of square hole, promptly this hole half be semicircle, second half is a rectangle.In order to make interlock plate can reach the purpose of interlocking to ground connection switching manipulation axle, on-load switch operating axis; Need with second axis hole corresponding size relationship be set with first axis hole and second shaft part to above-mentioned first shaft part; Because second axis hole is to be centrosymmetric with the center of first axis hole with respect to interlock plate; So set forth the annexation between first shaft part and first axis hole at this, the connected mode of second shaft part and second axis hole is as the same.In first shaft part and first axis hole; The arc diameter of first shaft part be with first axis hole in the equal diameters of semicircle; When first shaft part places in first axis hole, because of first shaft part is provided with the plane otch, when rotating first shaft part; Form a clearance opening between the middle straight flange of this plane otch and first axis hole, but this clearance opening makes the shaft part slide relative in first axis hole of winning.Same, also can form slide relative in second shaft part and second axis hole.Straight flange is meant in first axis hole, second axis hole and the corresponding straight flange of semicircle separately in the middle of above-mentioned.
In conjunction with said structure and Fig. 3, Fig. 4; The operation principle of the utility model is done following the description: as shown in Figure 3; When rotating load switching manipulation axle during to shown position, promptly on-load switch clockwise rotates and puts in place, and left spring connecting lever and right spring connecting lever all place the interlock plate below; The arc surface of first shaft part of on-load switch operating axis and the semicircle and the middle straight flange of interlock plate first axis hole push against at this moment, and promptly interlock plate can't move horizontally.At this moment, the plane otch of earthed switch operating axis second shaft part is that the middle straight flange with interlock plate second axis hole pushes against, and has promptly realized the interlocking of earthed switch operating axis and on-load switch operating axis.When the counter-rotating of on-load switch operating axis resetted, the plane otch of first shaft part was corresponding with the middle straight flange of first axis hole, and the clearance opening between plane otch and the middle straight flange reaches maximum; At this moment, clockwise rotate the earthed switch operating axis until rotateing in place, the plane otch of second shaft part will promote the middle straight flange of second axis hole; Make interlock plate move horizontally left; Push against until the middle straight flange of first axis hole and the plane otch of first shaft part, form interlocking, state promptly shown in Figure 4 once more.Operational load switching manipulation axle once more if desired; Then need to remove earlier Interlock Status, the earthed switch operating axis that promptly reverses resets it, forms clearance opening thereby make between the plane otch of middle straight flange and second shaft part of second axis hole; Remove lockup state between interlock plate and the on-load switch operating axis; Get final product operational load switching manipulation axle once more, ensuing process is identical with description before, circulates with this.
Claims (5)
1. station operating mechanism interlock; This interlock comprises base plate (1), earthed switch output toggle arm (2), earthed switch operating axis (5), on-load switch operating axis (7), on-load switch output toggle arm (9); The movable respectively base plate both sides that connect of earthed switch output toggle arm, on-load switch output toggle arm; The endoporus of earthed switch output toggle arm is fixedly connected the earthed switch operating axis, and the endoporus of on-load switch output toggle arm is fixedly connected the on-load switch operating axis; It is characterized in that:
Said earthed switch operating axis (5) is fixedly connected earthed switch operation connecting lever (4), right spring connecting lever (12); On-load switch operating axis (7) is fixedly connected on-load switch operation connecting lever (8), left spring connecting lever (10), and activity connects divide-shut brake spring (11) between left spring connecting lever and the right spring connecting lever;
Said earthed switch operating axis (5) is provided with first shaft part (501) of band plane otch; Said on-load switch operating axis (7) is provided with second shaft part (701) of band plane otch; Be connected interlock plate (6) between first shaft part and second shaft part; Interlock plate is provided with first axis hole (601) that connects said first shaft part, and second axis hole (602) that connects said second shaft part, and said first axis hole is formed by stacking with this foursquare inscribed circle hole the half the of square hole; The length of side of said square hole equals the diameter of the said first shaft part circular arc, and said second axis hole and said first axis hole are centrosymmetric with respect to the center of said interlock plate.
2. according to the said three station operating mechanism interlocks of claim 1; The middle straight flange of middle straight flange and said second axis hole (602) that it is characterized in that said first axis hole (601) is relatively positive, said in the middle of straight flange be meant in said first axis hole, second axis hole and the corresponding straight flange in arc limit separately.
3. according to the said three station operating mechanism interlocks of claim 1, it is characterized in that hinged said divide-shut brake spring (11) one ends of said left spring connecting lever (10), the hinged said right spring connecting lever of the divide-shut brake spring other end (12).
4. according to the said three station operating mechanism interlocks of claim 1, it is characterized in that said left spring connecting lever (10), right spring connecting lever (12) connect said divide-shut brake spring (11) through universal ball end.
5. according to the said three station operating mechanism interlocks of claim 1, it is characterized in that said base plate (1) is provided with said earthed switch output toggle arm (2), the spacing guide vane end stop (3) of on-load switch output toggle arm (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204836508U CN202384242U (en) | 2011-11-29 | 2011-11-29 | Three-position operation mechanism interlock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204836508U CN202384242U (en) | 2011-11-29 | 2011-11-29 | Three-position operation mechanism interlock device |
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| Publication Number | Publication Date |
|---|---|
| CN202384242U true CN202384242U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204836508U Expired - Fee Related CN202384242U (en) | 2011-11-29 | 2011-11-29 | Three-position operation mechanism interlock device |
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| Country | Link |
|---|---|
| CN (1) | CN202384242U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409247A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Bidirectional operation mechanism |
| CN112002591A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Three-station operating mechanism |
| CN112002590A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Energy storage driving device and three-station operating mechanism applying same |
-
2011
- 2011-11-29 CN CN2011204836508U patent/CN202384242U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409247A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Bidirectional operation mechanism |
| CN104409247B (en) * | 2014-11-27 | 2016-05-18 | 无锡飞世龙机电有限公司 | A kind of double-acting power unit |
| CN112002591A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Three-station operating mechanism |
| CN112002590A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Energy storage driving device and three-station operating mechanism applying same |
| CN112002591B (en) * | 2020-08-17 | 2022-08-26 | 赫兹曼电力（广东）有限公司 | Three-station operating mechanism |
| CN112002590B (en) * | 2020-08-17 | 2022-10-28 | 赫兹曼电力（广东）有限公司 | Energy storage driving device and three-station operating mechanism applying same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20191129 |