CN202332639U - Linkage system for initiative safe releasing of operating mechanism - Google Patents
Linkage system for initiative safe releasing of operating mechanism Download PDFInfo
- Publication number
- CN202332639U CN202332639U CN2011203694815U CN201120369481U CN202332639U CN 202332639 U CN202332639 U CN 202332639U CN 2011203694815 U CN2011203694815 U CN 2011203694815U CN 201120369481 U CN201120369481 U CN 201120369481U CN 202332639 U CN202332639 U CN 202332639U
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- CN
- China
- Prior art keywords
- connecting rod
- load switch
- combined floodgate
- backboard
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a linkage system for initiative safe releasing of an operating mechanism, which comprises a connecting rod, a connecting rod rotating shaft, a load-switch closing main rotating shaft, a connecting rod resetting extension spring and a closing main rotating shaft resetting pressure spring, wherein the connecting rod and the connecting rod rotating shaft are installed on a mechanism backboard in a manner of being matched with each other; one end of the connecting rod is connected with a grounding operation output spindle, while the other end is connected with the load switch closing main rotating shaft; the grounding operation output spindle can rotate anticlockwise or clockwise in a U-shaped groove of the mechanism backboard; and the connecting rod resetting extension spring is matched and linked with the closing main rotating shaft resetting pressure spring. By being matched with the operating mechanism, the linkage system disclosed by the utility model implements safe linkage of a grounded switch and a load switch in mechanical structure; the opening and closing system of the load switch will be initiatively ineffective as long as the grounded switch in the system is closed after a mechanism spring of the operating mechanism storages energy when the electric linkage is ineffective, thereby ensuring the safety of the operator and system.
Description
Technical field
The utility model relates to the linkage structure of a kind of earthed switch and on-load switch, specifically designs a kind of active safety dropout mechanical chain system of operating mechanism.
Background technology
Safety problem is the key points in design of electric utility always, and in order to improve security performance, the designer must consider from machinery and electric two aspects, to improve security of products.
Operating mechanism is the driving mechanism a kind of commonly used in the ring main unit, and the cooperation through machinery, observing and controlling and electrical system makes it have safe and reliable chain performance, this mechanism Secure Application in vast network distribution system.Under the situation that electrical interlocks lost efficacy, behind mechanism's spring energy-storage of operating mechanism, no matter whether earthed switch closes a floodgate, on-load switch is promptly through directly to button or coil control carrying out closing operation.This operation might be closed a floodgate to on-load switch in the situation that earthed switch does not close a floodgate, and has violated electric product safety interlocking rule, causes potential safety hazard.
Summary of the invention
The utility model purpose is to provide a kind of active safety dropout mechanical chain system of operating mechanism; It not only is grounded the interlocking of switch and on-load switch on electrical interlocks; And on mechanical structure, be grounded the safety interlocking of switch and on-load switch, guarantee the safety of operating personnel and system.
In order to solve these problems of the prior art, the technical scheme that the utility model provides is:
A kind of active safety dropout mechanical chain system of operating mechanism; Operating mechanism comprises mechanism's backboard, the backboard U of mechanism type groove, ground connection operation output main shaft and is located at the on-load switch switch knob system on mechanism's backboard; Active safety dropout mechanical chain system comprises that reset extension spring and combined floodgate main rotary shaft of connecting rod, connecting rod rotating shaft, on-load switch combined floodgate main rotary shaft, connecting rod branch divides reseting pressuring spring; Connecting rod cooperates with the connecting rod rotating shaft and is installed on mechanism's backboard; One end of connecting rod links to each other with ground connection operation output main shaft; The other end connected load switch combined floodgate main rotary shaft of connecting rod, ground connection operation output main shaft can become counterclockwise or clockwise rotate in the backboard U of mechanism type groove, and the connecting rod branch extension spring that resets divides reseting pressuring spring to cooperate interlock with the combined floodgate main rotary shaft.
Detailed technical scheme is: a kind of active safety dropout mechanical chain system of operating mechanism; Operating mechanism comprises mechanism's backboard, the backboard U of mechanism type groove, ground connection operation output main shaft and is located at the on-load switch switch knob system on mechanism's backboard; Active safety dropout mechanical chain system comprises that reset extension spring and combined floodgate main rotary shaft of connecting rod, connecting rod rotating shaft, on-load switch combined floodgate main rotary shaft, connecting rod branch divides reseting pressuring spring; Connecting rod cooperates with the connecting rod rotating shaft and is installed on mechanism's backboard; One end of connecting rod links to each other with ground connection operation output main shaft; The other end connected load switch combined floodgate main rotary shaft of connecting rod, ground connection operation output main shaft can become counterclockwise or clockwise rotate in the backboard U of mechanism type groove, and the connecting rod branch extension spring that resets divides reseting pressuring spring to cooperate interlock with the combined floodgate main rotary shaft; In addition; On-load switch combined floodgate main rotary shaft comprises on-load switch combined floodgate pressing board, rotating shaft, left stage clip assembling end and right guide end, and on-load switch combined floodgate pressing board is located in the on-load switch switch knob system, and the combined floodgate main rotary shaft divides reseting pressuring spring to be installed in the left stage clip assembling end.
Than solution of the prior art, the utility model advantage is:
The active safety dropout mechanical chain system that the utility model adopts, its compounding practice mechanism has also realized the safety interlocking of earthed switch and on-load switch on mechanical structure; Under the situation that electrical interlocks lost efficacy; Can't normally realize electrical interlocks, behind mechanism's spring energy-storage of operating mechanism, as long as the earthed switch in the native system closes a floodgate; The divide-shut brake system of on-load switch will initiatively lose efficacy, and then guaranteed the safety of operating personnel and system.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Fig. 1 is the overall structure sketch map of the utility model;
Fig. 2 is the structural representation of the operating mechanism of the utility model;
Wherein: 1, operating mechanism; 2, active safety dropout mechanical chain system; 3, ground connection operation output main shaft; 4, connecting rod; 5, connecting rod rotating shaft; 6, the connecting rod branch extension spring that resets; 7, the combined floodgate main rotary shaft divides reseting pressuring spring; 8, on-load switch combined floodgate main rotary shaft; 9, rotating shaft; 10, on-load switch combined floodgate pressing board; 11, on-load switch switch knob system; 12, left stage clip assembling end; 13, mechanism's backboard; 14, mechanism's backboard U type groove.
Embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment:
The active safety dropout mechanical chain system 2 of present embodiment the operation described mechanism 1; Operating mechanism 1 comprises mechanism's backboard 13, the backboard U of mechanism type groove 14, ground connection operation output main shaft 3 and is located at the on-load switch switch knob system 11 on mechanism's backboard 13; Active safety dropout mechanical chain system 2 comprises that reset extension spring 6 and combined floodgate main rotary shaft of connecting rod 4, connecting rod rotating shaft 5, on-load switch combined floodgate main rotary shaft 8, connecting rod branch divides reseting pressuring spring 7; Connecting rod 4 cooperates with connecting rod rotating shaft 5 and is installed on mechanism's backboard 13; One end of connecting rod 4 and ground connection operation output main shaft 3 link to each other (being referred to as small end); Other end connected load switch combined floodgate main rotary shaft 8 (being referred to as the connecting rod lower end) of connecting rod 4; Ground connection operation output main shaft 3 can become in the backboard U of mechanism type groove 14 counterclockwise or clockwise rotate; The connecting rod branch extension spring 6 that resets divides reseting pressuring spring 7 to cooperate interlock with the combined floodgate main rotary shaft, and in addition, on-load switch combined floodgate main rotary shaft 8 comprises on-load switch combined floodgate pressing board 10, rotating shaft 9, left stage clip assembling end 12 and right guide end; On-load switch combined floodgate pressing board 10 is located in the on-load switch switch knob system 11, and the combined floodgate main rotary shaft divides reseting pressuring spring 7 to be installed in the left stage clip assembling end 12.
The movement relation of each mechanical structure was following when earthed switch was realized closing a floodgate:
The operational grounding switch knob closes a floodgate earthed switch; At first drive ground connection operation output main shaft 3 and be rotated counterclockwise, move along operating mechanism 1 backboard U type groove, the drive link upper end; Make and be rotated counterclockwise around its connecting rod rotating shaft 5; The drivening rod branch resets extension spring 6 with the stretching energy storage, and simultaneously, connecting rod 4 is applied to horizontal compressive force reduction on the on-load switch combined floodgate main rotary shaft 8.The combined floodgate main rotary shaft divides reseting pressuring spring 7 that external pressure is subtracted the elongation that resets gradually when omiting, and promotes on-load switch combined floodgate main rotary shaft 8 levels and moves right, and make on-load switch combined floodgate pressing board 10 and on-load switch switch knob system 11 break away from.Thereby the on-load switch switch knob lost efficacy.Be grounded switch and close the afterload switch chain function that can't close a floodgate.
The movement relation of each mechanical structure was following when earthed switch was realized separating brake:
The operational grounding switch knob makes the earthed switch separating brake, and ground connection operation output main shaft 3 turns clockwise, and moves along operating mechanism 1 backboard U type groove, and its thrust that imposes on connecting rod 4 will reduce gradually.The connecting rod branch extension spring 6 that resets turns clockwise drivening rod 4 around its connecting rod rotating shaft 5; At this moment; On-load switch combined floodgate main rotary shaft 8 horizontal thrusts will be given to drive in the connecting rod lower end, impel the combined floodgate main rotary shaft to divide reseting pressuring spring 7 compressions, promote on-load switch combined floodgate main rotary shaft 8 levels to left movement; And make on-load switch combined floodgate pressing board 10 cooperate again with on-load switch switch knob system 11, reach the operating state that can carry out divide-shut brake to on-load switch.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (2)
1. the active safety dropout mechanical chain system of an operating mechanism; Described operating mechanism comprises mechanism's backboard, the backboard U of mechanism type groove, ground connection operation output main shaft and is located at the on-load switch switch knob system on mechanism's backboard; It is characterized in that; Described active safety dropout mechanical chain system comprises that reset extension spring and combined floodgate main rotary shaft of connecting rod, connecting rod rotating shaft, on-load switch combined floodgate main rotary shaft, connecting rod branch divides reseting pressuring spring; Described connecting rod cooperates with the connecting rod rotating shaft and is installed on mechanism's backboard, and an end of connecting rod links to each other the other end connected load switch combined floodgate main rotary shaft of connecting rod with ground connection operation output main shaft; Described ground connection operation output main shaft can become counterclockwise or clockwise rotate in the backboard U of mechanism type groove, the connecting rod branch extension spring that resets divides reseting pressuring spring to cooperate interlock with the combined floodgate main rotary shaft.
2. the active safety dropout mechanical chain system of operating mechanism according to claim 1; It is characterized in that; Described on-load switch combined floodgate main rotary shaft comprises on-load switch combined floodgate pressing board, rotating shaft, left stage clip assembling end and right guide end; Described on-load switch combined floodgate pressing board is located in the on-load switch switch knob system, and the combined floodgate main rotary shaft divides reseting pressuring spring to be installed in the left stage clip assembling end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203694815U CN202332639U (en) | 2011-09-30 | 2011-09-30 | Linkage system for initiative safe releasing of operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203694815U CN202332639U (en) | 2011-09-30 | 2011-09-30 | Linkage system for initiative safe releasing of operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332639U true CN202332639U (en) | 2012-07-11 |
Family
ID=46444611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203694815U Expired - Lifetime CN202332639U (en) | 2011-09-30 | 2011-09-30 | Linkage system for initiative safe releasing of operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202332639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033699A (en) * | 2015-03-13 | 2016-10-19 | 施耐德电器工业公司 | Mechanical linkage mechanism and dual-power changeover switch |
-
2011
- 2011-09-30 CN CN2011203694815U patent/CN202332639U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033699A (en) * | 2015-03-13 | 2016-10-19 | 施耐德电器工业公司 | Mechanical linkage mechanism and dual-power changeover switch |
| CN106033699B (en) * | 2015-03-13 | 2018-03-06 | 施耐德电器工业公司 | Mechanical linkage which controls and dual-power transfer switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |