CN202258983U - Mechanical locking device of three-station switch - Google Patents
Mechanical locking device of three-station switch Download PDFInfo
- Publication number
- CN202258983U CN202258983U CN2011203476312U CN201120347631U CN202258983U CN 202258983 U CN202258983 U CN 202258983U CN 2011203476312 U CN2011203476312 U CN 2011203476312U CN 201120347631 U CN201120347631 U CN 201120347631U CN 202258983 U CN202258983 U CN 202258983U
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- station
- spacer pin
- latch plate
- locking device
- sliding chutes
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Abstract
The utility model relates to the technical field of limiting devices and discloses a mechanical locking device of a three-station switch. The mechanical locking device comprises a locking plate and a limiting pin, wherein the limiting pin is arranged on a case body of a three-station switching mechanism case in a detachable manner; the locking plate is provided with an output transmission shaft connecting hole and an arc-shaped limiting chute, wherein the arc-shaped limiting chute takes the output transmission shaft connecting hole as a circle center and takes a distance between the limiting pin and a three-station switch output transmission shaft as a radius, and the locking plate is connected with the three-station switch output transmission shaft on the three-station switching mechanism case in a detachable manner through the output transmission shaft connecting hole; and the limiting pin is positioned in the arc-shaped limiting chute, and the limiting range of the arc-shaped limiting chute ensures that the rotation range of the three-station switch output transmission shaft only can reach two adjacent working stations. The mechanical locking device disclosed by the utility model can be used for effectively limiting the three-station switch from running to a grounding knife-switch closing position in the working process, achieves the purpose of avoiding the situation that the three-station switch is automatically grounded to cause short-circuiting and blasting of the switch after an electric interlocking device fails and has the advantages of simple structure and easiness in overhauling and maintenance.
Description
Technical field
The utility model relates to the stopping means technical field, is mainly used in the used three-station of power equipment GIS combined electrical apparatus.
Background technology
At present, the three-station that existing GIS combined electrical apparatus overwhelming majority switch all is to use, a station is for the switch isolation disconnecting link closes the position, two stations are that switch ground connection disconnecting link closes the position for the disconnected position of switch isolation disconnecting link, three stations.
The problem that existing three-station exists in practical application is: all three-stations of producing the use of GIS combined electrical apparatus producer have only designed electric interlocking installation; Do not design mechanical interlocks; Will cause the automatic ground connection of three-station to cause that the switch short circuit blows out if electric interlocking installation is malfunctioning, cause device damage to scrap and large-area power-cuts.
Summary of the invention
The utility model technical problem to be solved provides a kind of three-station mechanical locking device, and the cooperation that it has through latch plate and spacer pin realizes blocking function.Latch plate is connected with three-station take-off (propeller) shaft on the three-station mechanism case; The restriction three-station closes the position operation to the ground connection disconnecting link in the arc limit sliding chutes of spacer pin insertion latch plate, reaches and after electric interlocking installation is malfunctioning, can not cause the automatic ground connection of three-station to cause the characteristics that the switch short circuit is blown out.
For solving the problems of the technologies described above, the utility model provides a kind of three-station mechanical locking device, comprises latch plate and spacer pin;
Said spacer pin is arranged on the casing of three-station mechanism case, and the positive stop end of spacer pin is positioned at outside the three-station mechanism case casing;
Offer the take-off (propeller) shaft connecting hole on the said latch plate, latch plate is connected with three-station take-off (propeller) shaft on the three-station mechanism case through said take-off (propeller) shaft connecting hole;
Also offering with the take-off (propeller) shaft connecting hole on the latch plate is the center of circle; Spacing with spacer pin and three-station take-off (propeller) shaft is the limit sliding chutes of radius; Spacer pin is arranged in said limit sliding chutes, and the spacing scope of limit sliding chutes is: make the slewing area of three-station take-off (propeller) shaft only can arrive adjacent two working positions.
It is also to comprise the spacer pin stiffener that such scheme is carried out improved technical scheme;
Offer the spacer pin location hole on the said spacer pin stiffener, the spacer pin stiffener is arranged on the fixed support of three-station mechanism case, and said latch plate is between the three-station mechanism case back side and stiffener;
Said spacer pin is interspersed in the spacer pin location hole of limit sliding chutes, spacer pin stiffener of latch plate.
Such scheme is carried out optimized technical scheme does, said latch plate is sector structure, and said take-off (propeller) shaft connecting hole is opened in the closed angle end on the sector structure, and said limit sliding chutes is opened in an end on sector structure arc limit.
Such scheme is carried out further optimized technical scheme does, said spacer pin stiffener is the triangular form structure.
Carry out further to such scheme that optimized technical scheme does, the limit sliding chutes on the said latch plate is the arc limit sliding chutes.
The technical scheme that is more preferably is that said spacer pin is connected through removable mode with the casing of three-station mechanism case; Said latch plate is connected with removable mode with three-station take-off (propeller) shaft on the three-station mechanism case through said take-off (propeller) shaft connecting hole.
The beneficial effect of the utility model is:
1. the utility model is realized blocking function through the cooperation of latch plate and spacer pin.Latch plate is connected with three-station take-off (propeller) shaft on the three-station mechanism case; The restriction three-station closes the position operation to the ground connection disconnecting link in the limit sliding chutes of spacer pin insertion latch plate, reaches and after electric interlocking installation is malfunctioning, can not cause the automatic ground connection of three-station to cause the purpose that the switch short circuit is blown out.
2. through increasing the spacer pin stiffener; Can make the service position of spacer pin more fixing; Especially when the box body wall of three-station mechanism case approaches, come spacer pin is strengthened fixing, can guarantee the stability of spacer pin work through the spacer pin stiffener.
3. the latch plate setting is sector structure, can makes latch plate more be prone to follow the three-station take-off (propeller) shaft and be synchronized with the movement, the spacer pin stiffener is arranged to the triangular form structure, can make the spacer pin stiffener be easier to fixed installation, and practice thrift material.
The utility model is that three-station provides a kind of mechanical locking device; During use; The position of the limit sliding chutes on the adjustment latch plate; The slewing area that makes its spacing scope be controlled at the three-station take-off (propeller) shaft only can arrive the switch isolation disconnecting link and close position, these two adjacent working positions of the disconnected position of switch isolation disconnecting link; Thereby effectively limit three-station and close the position operation to the ground connection disconnecting link in the course of the work, reach and after electric interlocking installation is malfunctioning, can not cause the automatic ground connection of three-station to cause the purpose that the switch short circuit is blown out.This apparatus structure is simple, all adopts removable mode to be connected between each assembly and between the fixed support of each assembly and three-station mechanism case, three-station mechanism case, is easy to maintenance and safeguards, can in power industry, be used widely.
Description of drawings
Fig. 1 is the working state schematic representation of the utility model embodiment mechanical locking device.
Fig. 2 is the front view of latch plate in the utility model embodiment mechanical locking device.
Fig. 3 is the end view of latch plate in the utility model embodiment mechanical locking device.
Fig. 4 is the three-dimensional view of latch plate in the utility model embodiment mechanical locking device.
Fig. 5 is the structural representation of spacer pin in the utility model embodiment mechanical locking device.
Fig. 6 is the structural representation of spacer pin stiffener in the utility model embodiment mechanical locking device.
Fig. 7 is a three-station mechanism case structure sketch map among the utility model embodiment.
Fig. 8 is a three-station mechanism case end view among the utility model embodiment.
Fig. 9 is the support bracket fastened structural representation of three-station mechanism case among the utility model embodiment.
Wherein, 1-take-off (propeller) shaft connecting hole, 2-arc limit sliding chutes, 3-spacer pin location hole; The installing hole that 4-spacer pin stiffener is connected with three-station mechanism case fixed support, 5-three-station take-off (propeller) shaft, the spacer pin installing hole on the 6-three-station mechanism case; Cable aperture on the 7-three-station mechanism case, 8-three-station mechanism case installing hole, 9-spacer pin stiffener installing hole; The 10-spacer pin, 11-latch plate, 12-spacer pin stiffener; 13-three-station mechanism case, 14-three-station mechanism case fixed support, 15-switch power transmission shaft.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked; Below in conjunction with accompanying drawing and preferred embodiment, the embodiment and the operation principle of a kind of three-station mechanical locking device of proposing according to the utility model is elaborated.
The three-station mechanical locking device that the utility model provides comprises: latch plate 11 and spacer pin 10.Three-station mechanism case structure sketch map among the utility model embodiment as shown in Figure 7, spacer pin is arranged at through removable mode on the casing of three-station mechanism case 13, and the positive stop end of spacer pin 10 is positioned at outside the casing of three-station mechanism case 13.Latch plate structural representation among the utility model embodiment shown in Fig. 2 to 4; Offer take-off (propeller) shaft connecting hole 1 on the latch plate 11 and be the center of circle with take-off (propeller) shaft connecting hole 1; With the spacing of spacer pin 10 and three-station take-off (propeller) shaft 5 is the limit sliding chutes of radius (be among Fig. 7 the spacer pin installing hole 6 on the three-station mechanism case and the distance between the three-station take-off (propeller) shaft 5); The spacing scope of limit sliding chutes is to make the slewing area of three-station take-off (propeller) shaft 5 only can arrive adjacent two working positions.Preferably, this limit sliding chutes is an arc limit sliding chutes 2.
Shown in Fig. 2 to 4, preferred for the structure of latch plate 11, adopt to be sector structure, take-off (propeller) shaft connecting hole 1 is opened in the closed angle end on the sector structure, and arc limit sliding chutes 2 is opened in an end on sector structure arc limit.
The method for using of the utility model is: adjust the position of the arc limit sliding chutes 2 on the latch plate 11 earlier, the slewing area that makes its spacing scope be controlled at three-station take-off (propeller) shaft 5 only can arrive " the switch isolation disconnecting link closes the position ", " the disconnected position of switch isolation disconnecting link " these two adjacent working positions; Then, be connected fixing with three-station take-off (propeller) shaft 5 on the three-station mechanism case 13 through removable mode the take-off (propeller) shaft connecting hole 1 of latch plate 11; Three position mechanism case 13 is fixed on the three position mechanism case fixed support 14 among Fig. 9, and the take-off (propeller) shaft 5 of three-station is connected fastening with switch power transmission shaft 15; Spacer pin 10 is arranged on the three-station mechanism case 13 with removable mode, and inserts in the arc limit sliding chutes 2 of latch plate 10; At last, open three-station and get into operating state.
The operation principle of the utility model is: adopt the utility model to carry out spacing to three-station; When the three-station operate as normal; Through the arc limit sliding chutes 2 of latch plate 11 and cooperating of spacer pin 10; Make the take-off (propeller) shaft 5 of three-station rotate switching at " the switch isolation disconnecting link closes the position ", " the disconnected position of switch isolation disconnecting link " these two working positions; The take-off (propeller) shaft 5 of restriction three-station turns to " switch ground connection disconnecting link closes the position ", thereby reaches after the electrical equipment interlock is malfunctioning, can not cause the automatic ground connection of three-station to cause the purpose that the switch short circuit is blown out.
When three-station needs inspection earthing; Spacer pin 10 is extracted the releasing mechanical latching; The position of the arc limit sliding chutes 2 on the adjustment latch plate 11; The slewing area that makes its spacing scope be controlled at three-station take-off (propeller) shaft 5 only can arrive " switch ground connection disconnecting link close position ", " the switch isolation disconnecting link closes the position " these two adjacent working positions, the take-off (propeller) shaft connecting hole 1 of latch plate 11 and three-station take-off (propeller) shaft 5 on the three-station mechanism case is connected fixing through removable mode, and spacer pin 10 is arranged on the three-station mechanism case with removable mode; And insert in the arc limit sliding chutes 2 of latch plate 11; Afterwards, open three-station again, three-station is overhauled in the operating state of " switch ground connection disconnecting link closes the position ", " the switch isolation disconnecting link closes the position " these two working positions.Operating state for " the disconnected position of switch isolation disconnecting link ", " switch ground connection disconnecting link closes the position " these two working positions also adopts same way as to overhaul.
For the operating state that makes spacer pin is more stable, can also in this device, increase spacer pin stiffener 12: on spacer pin stiffener 12, offer spacer pin location hole 3.Spacer pin stiffener 12 is fixed on the three-station mechanism case fixed support 14 shown in Figure 9.The structural representation of the utility model that has increased spacer pin stiffener 12 is as shown in Figure 1, and latch plate 11 is between spacer pin stiffener 12 and three-station mechanism case 13.During use, spacer pin 10 is interspersed in the spacer pin location hole 3 of arc limit sliding chutes 2, spacer pin stiffener 12 of latch plate 11.As shown in Figure 6, preferred for the structure of spacer pin stiffener 12, adopt the triangular form structure.
It should be noted last that; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to instance the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (10)
1. a three-station mechanical locking device is characterized in that, comprises latch plate and spacer pin;
Said spacer pin is arranged on the casing of three-station mechanism case, and the positive stop end of spacer pin is positioned at outside the three-station mechanism case casing;
Offer the take-off (propeller) shaft connecting hole on the said latch plate, latch plate is connected with three-station take-off (propeller) shaft on the three-station mechanism case through said take-off (propeller) shaft connecting hole;
Also offering with the take-off (propeller) shaft connecting hole on the latch plate is the center of circle; Spacing with spacer pin and three-station take-off (propeller) shaft is the limit sliding chutes of radius; Spacer pin is arranged in said limit sliding chutes, and the spacing scope of limit sliding chutes is: make the slewing area of three-station take-off (propeller) shaft only can arrive adjacent two working positions.
2. three-station mechanical locking device as claimed in claim 1 is characterized in that, also comprises the spacer pin stiffener;
Offer the spacer pin location hole on the said spacer pin stiffener, the spacer pin stiffener is arranged on the fixed support of three-station mechanism case, and said latch plate is between the three-station mechanism case back side and stiffener;
Said spacer pin is interspersed in the spacer pin location hole of limit sliding chutes, spacer pin stiffener of latch plate.
3. according to claim 1 or claim 2 three-station mechanical locking device; It is characterized in that; Said latch plate is sector structure, and said take-off (propeller) shaft connecting hole is opened in the closed angle end on the sector structure, and said limit sliding chutes is opened in an end on sector structure arc limit.
4. according to claim 1 or claim 2 three-station mechanical locking device is characterized in that said spacer pin stiffener is the triangular form structure.
5. three-station mechanical locking device as claimed in claim 3 is characterized in that, said spacer pin stiffener is the triangular form structure.
6. according to claim 1 or claim 2 three-station mechanical locking device is characterized in that the limit sliding chutes on the said latch plate is the arc limit sliding chutes.
7. three-station mechanical locking device as claimed in claim 3 is characterized in that, the limit sliding chutes on the said latch plate is the arc limit sliding chutes.
8. three-station mechanical locking device as claimed in claim 4 is characterized in that, the limit sliding chutes on the said latch plate is the arc limit sliding chutes.
9. three-station mechanical locking device as claimed in claim 5 is characterized in that, the limit sliding chutes on the said latch plate is the arc limit sliding chutes.
10. according to claim 1 or claim 2 three-station mechanical locking device is characterized in that said spacer pin is connected through removable mode with the casing of three-station mechanism case; Said latch plate is connected with removable mode with three-station take-off (propeller) shaft on the three-station mechanism case through said take-off (propeller) shaft connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203476312U CN202258983U (en) | 2011-09-16 | 2011-09-16 | Mechanical locking device of three-station switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203476312U CN202258983U (en) | 2011-09-16 | 2011-09-16 | Mechanical locking device of three-station switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202258983U true CN202258983U (en) | 2012-05-30 |
Family
ID=46120187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203476312U Expired - Fee Related CN202258983U (en) | 2011-09-16 | 2011-09-16 | Mechanical locking device of three-station switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202258983U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010269A (en) * | 2017-05-25 | 2017-08-04 | 宁波新邦工具有限公司 | A kind of paper card feed mechanism of automatic packaging machine |
| CN108648948A (en) * | 2018-07-23 | 2018-10-12 | 西安航空学院 | High current earthing or grounding means |
| CN111192774A (en) * | 2019-12-20 | 2020-05-22 | 河南平高电气股份有限公司 | Three-station operating mechanism and three-station switch using same |
| CN114823207A (en) * | 2022-03-18 | 2022-07-29 | 珠海优特电力科技股份有限公司 | Operating device of three-position disconnecting link switch and three-position disconnecting link switch |
-
2011
- 2011-09-16 CN CN2011203476312U patent/CN202258983U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010269A (en) * | 2017-05-25 | 2017-08-04 | 宁波新邦工具有限公司 | A kind of paper card feed mechanism of automatic packaging machine |
| CN108648948A (en) * | 2018-07-23 | 2018-10-12 | 西安航空学院 | High current earthing or grounding means |
| CN108648948B (en) * | 2018-07-23 | 2023-05-16 | 西安航空学院 | Heavy current grounding device |
| CN111192774A (en) * | 2019-12-20 | 2020-05-22 | 河南平高电气股份有限公司 | Three-station operating mechanism and three-station switch using same |
| CN111192774B (en) * | 2019-12-20 | 2021-12-10 | 河南平高电气股份有限公司 | Three-station operating mechanism and three-station switch using same |
| CN114823207A (en) * | 2022-03-18 | 2022-07-29 | 珠海优特电力科技股份有限公司 | Operating device of three-position disconnecting link switch and three-position disconnecting link switch |
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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 |
Granted publication date: 20120530 Termination date: 20150916 |
|
| EXPY | Termination of patent right or utility model |