CN101404219A - Three-station electric operation mechanism - Google Patents
Three-station electric operation mechanism Download PDFInfo
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- CN101404219A CN101404219A CNA2008101393498A CN200810139349A CN101404219A CN 101404219 A CN101404219 A CN 101404219A CN A2008101393498 A CNA2008101393498 A CN A2008101393498A CN 200810139349 A CN200810139349 A CN 200810139349A CN 101404219 A CN101404219 A CN 101404219A
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Abstract
The invention provides a three-position electric operation mechanism which can be used for the electric operation of electric equipment with three operation positions: high voltage position, middle voltage position and low voltage position; the three-position electric operation mechanism comprises a motor (1), a transmission which is connected with the motor (1), a pulling device which is arranged on the transmission, stroke switches (6) which are close to the pulling device, auxiliary switches (9), an auxiliary switch connecting rod (8), contactors (10), and the like; the three-position operation mechanism has three stroke switches (6), two auxiliary switches (9) and two contactors (10); the pulling device is connected with the auxiliary switch (9) by the auxiliary switch connecting rod (8); the stroke switch (6) is communicated with the contactor (10); the contactor (10) is connected with the motor (1); positive and reverse rotation of the motor (1) is controlled by the contactor (10), thus driving the pulling device to control the auxiliary switch (9), thereby achieving the shifting of three working positions. The three-position electric operation mechanism is characterized by simple structure, convenient manufacture, low manufacture cost, convenient process, good interchangeability, convenient maintenance, high positioning precision, reliable locking, being effective to display all working conditions of the mechanism and the like.
Description
One, technical field:
The present invention is a kind of electric equipment electric operating mechanism that is used for, the three-station electric operation mechanism of the electronic actuating of specifically a kind of high, medium and low voltage three position electric equipments.
Two, background technology:
Typical three position electric equipments are gone up the three position isolating/grounding switch that use, the three position electric equipments such as three position isolating/grounding switch that the SF6 inflation is used cashier's office in a shop as being used for gases at high pressure insulated metal sealing switch equipment (being called for short GIS).Along with the needs of the technical development and the miniaturization of electric equipment, high, medium and low voltage three position electric equipments can get more and more.
Because of three position operating mechanisms require all will reach high positioning accuracy on three service positions, so domestic also do not have at present ripe three position electric operating mechanisms that are applied in the high, medium and low voltage electric field, three nearly all position electric operating mechanisms need from external import.Three position electric operating mechanisms of current import are to realize the conversion of three service positions by accurate complicated cam gear of motor drives, and lock its work group by the mechanical location locking device.Its shortcoming: 1. material, heat treatment and the machining accuracy of cam gear requirement are very high, and manufacture difficulty is big, causes manufacturing cost to improve greatly; 2. because cam gear precision prescribed height, often can not guarantee positioning accuracy on its three service positions to cause this mechanism low useful life, the failure rate height because of mechanical wear; And maintenance difficult, and seriously influence the normal operation of power equipment, cause great economic loss; 3. this mechanism has only an auxiliary switch, can not effectively show three kinds of operating states simultaneously.
Three, summary of the invention
The objective of the invention is provides a kind of three-station electric operation mechanism for the electronic actuating of high, medium and low voltage three position electric equipments.It is simple in structure, is convenient to make low cost of manufacture; Part processing is convenient, and interchangeability is good, is convenient to maintenance; The positioning accuracy height; Locking is reliable; The effective various operating modes of indication mechanism.
For achieving the above object, the technical scheme that the present invention takes is: include motor, speed changer, striking gear, travel switch, auxiliary switch, auxiliary switch connecting rod, contactor etc.Travel switch is three, is respectively travel switches I, II, III; Auxiliary switch is two, is respectively auxiliary switch I, II; Contactor is two, is respectively contactor I, II; Motor is connected with speed changer, on the output of speed changer striking gear is housed, three travel switches are near striking gear, and striking gear is connected with two auxiliary switches by the auxiliary switch connecting rod, three travel switches are communicated with two contactors respectively, and two contactors are connected with motor respectively.
Operation principle of the present invention: by two contactor control direction of motor rotation, motor drives striking gear by speed changer, and striking gear starts auxiliary switch by the auxiliary switch connecting rod, realizes the electronic actuating operation of three merit positions; Striking gear touches travel switch simultaneously, again by the travel switch control contactor, makes machine operation or quits work and realize the locking of operating state when quitting work.That is, when striking gear contacted with the travel switches I I of centre, for the present invention is in initial condition, this moment, two auxiliary switches were in gate-dividing state separately.After the present invention accepts to switch to service position I instruction, contactor I action, the drive motors forward rotation drives striking gear by speed changer, striking gear drives auxiliary switch I action by the auxiliary switch connecting rod, often the opening of auxiliary switch I, normally closed contact state reverse, and meanwhile, striking gear is thrown off travel switches I I, contact with travel switches I, travel switches I is cut off contactor I power supply, and motor quits work, and this moment, the output shaft position was accurately locked.Otherwise I is repositioned to initial condition by the service position, contactor II action, and the drive motors backward rotation, auxiliary switch I action can be repositioned to initial position.In like manner, when switching to service position II by initial condition, contactor II action, drive motors backward rotation, auxiliary switch II action; When being returned to initial condition by operating state II, contactor I action, the drive motors forward rotation, auxiliary switch II action just can realize.Auxiliary switch I is failure to actuate in this process.
Therefore because the present invention is provided with by the driven by motor striking gear, by striking gear control auxiliary switch, and motor is controlled rotating by contactor, thereby realizes the switching of three service positions.Therefore, the present invention has simple in structure, is convenient to make low cost of manufacture; Part processing is convenient, and interchangeability is good, is convenient to maintenance; The positioning accuracy height; Locking is reliable; The effective characteristics such as various operating modes of indication mechanism.
Four, description of drawings
Accompanying drawing is a schematic diagram of the present invention.
Five, embodiment
Accompanying drawing is embodiments of the invention, includes motor 1, speed changer, striking gear, travel switch 6, auxiliary switch 9, auxiliary switch connecting rod 8, contactor 10 etc.Travel switch 6 is three, is respectively travel switches I 6-1, II6-2, III6-3; Auxiliary switch 9 is two, is respectively auxiliary switch I9-1, II9-2; Contactor 10 is two, is respectively contactor I 10-1, II 10-2; Motor 1 is connected with speed changer, on the output of speed changer striking gear is housed, three travel switches 6 are near striking gear, striking gear is connected with two auxiliary switches 9 by auxiliary switch connecting rod 8, three travel switches 6 are communicated with two contactors 10 respectively, and two contactors 10 are connected with motor 1 respectively.
The version of speed changer is a lot.Present embodiment includes gear pair 2, worm gear 3 etc., and an end of gear pair 2 is fixed on motor 1 output shaft, be connected holding with worm gear 3 in addition, and the other end of worm gear 3 is connected with striking gear.When motor 1 work, drive worm gear wheel set 3 by gear pair 2, worm gear 3 drives striking gear.
The version of striking gear is also a lot, as shift fork structure etc.; Present embodiment includes bearing pin 4, output shaft 7, sheave 5 etc.; Sheave 5 is fixed on the output shaft 7, and sheave 5 is provided with groove, is provided with flange at sheave 5 near a side of travel switches 6; Bearing pin 4 is fixed on the worm gear of worm gear 3 (also can be fixed on the speed changer of worm gear or other form by the bearing pin plate).When worm gear rotates, drive the groove that bearing pin 4 injects on the sheaves 5, drive sheave 5 and rotate, contact with travel switch 6 by the flange of sheave 5, touch travel switch 6.Also can be provided with wheel plate near travel switch 6 places, wheel plate is contacted with travel switch 6, touch various ways such as travel switch 6 at sheave 5.
When worm gear contacted with the travel switches I I 6-2 of centre, for present embodiment is in initial condition, this moment, two auxiliary switches 9 were in gate-dividing state separately.After present embodiment accepts to switch to service position I instruction, contactor I 10-1 action, drive motors 1 forward rotation, by gear pair 2, worm gear 3 drives bearing pin 4, bearing pin 4 injects in the groove of sheave 5, driving sheave 5 clockwise rotates, sheave 5 drives auxiliary switch I 9-1 action by auxiliary switch connecting rod 8, auxiliary switch I 9-1 often leaves, the normally closed contact state reverses, and meanwhile, the flange on the sheave 5 is thrown off travel switches I I 6-2,6-1 contacts with travel switches I, travel switches I 6-1 cuts off contactor I 10-1 power supply, and motor 1 quits work, and this moment, the output shaft position was accurately locked.Otherwise I is repositioned to initial condition by the service position, contactor II 10-2 action, and drive motors 1 backward rotation, auxiliary switch I 9-1 action can be repositioned to initial position.Auxiliary switch II 9-2 is failure to actuate in this process.In like manner, when switching to service position II by initial condition, contactor II 10-2 action, drive motors 1 backward rotation, auxiliary switch II 9-2 action; When being returned to initial condition by operating state II, contactor I 10-1 action, drive motors 1 forward rotation, auxiliary switch II9-2 action just can realize.Auxiliary switch I 9-1 is failure to actuate in this process.
Therefore the present invention has simple in structure, is convenient to make low cost of manufacture; Part is easy to process, And interchangeability is good, is convenient to maintenance; The positioning accuracy height; Locking is reliable; The effective various operating modes of indication mechanism Etc. characteristics.
Claims (3)
1, a kind of three-station electric operation mechanism is characterized in that including motor (1), speed changer, striking gear, travel switch (6), auxiliary switch (9), auxiliary switch connecting rod (8), contactor (10); Travel switch (6) is three, and auxiliary switch (9) is two, and contactor (10) is two; Motor (1) is connected with speed changer, on the output of speed changer striking gear is housed, three travel switches (6) are near striking gear, striking gear is connected with two auxiliary switches (9) by auxiliary switch connecting rod (8), three travel switches (6) are communicated with two contactors (10) respectively, and two contactors (10) are connected with motor (1) respectively.
2, three-station electric operation mechanism according to claim 1, it is characterized in that described speed changer includes gear pair (2), worm gear (3), one end of gear pair (2) is fixed on motor (1) output shaft, be connected holding with worm gear (3) in addition, and the other end of worm gear (3) is connected with striking gear.
3, three-station electric operation mechanism according to claim 1 is characterized in that described striking gear includes bearing pin (4), output shaft (7), sheave (5); Sheave (5) is fixed on the output shaft (7), and sheave (5) is provided with groove, is provided with flange at sheave (5) near a side of travel switch (6); Bearing pin (4) is fixed on the worm gear of worm gear (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101393498A CN101404219A (en) | 2008-08-28 | 2008-08-28 | Three-station electric operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101393498A CN101404219A (en) | 2008-08-28 | 2008-08-28 | Three-station electric operation mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN101404219A true CN101404219A (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101393498A Pending CN101404219A (en) | 2008-08-28 | 2008-08-28 | Three-station electric operation mechanism |
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| CN (1) | CN101404219A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887810A (en) * | 2010-07-07 | 2010-11-17 | 江苏中兴创元高压电气有限公司 | Operator for switch equipment |
| CN102496496A (en) * | 2011-12-29 | 2012-06-13 | 无锡新宏泰电器科技股份有限公司 | Isolating switch operation mechanism |
| CN103762105A (en) * | 2013-12-17 | 2014-04-30 | 胡光福 | Shift fork wheel device of disconnecting switch of operating mechanism and operating method thereof |
| CN107833770A (en) * | 2017-12-12 | 2018-03-23 | 博耳(无锡)电力成套有限公司 | A kind of interlock control apparatus |
-
2008
- 2008-08-28 CN CNA2008101393498A patent/CN101404219A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887810A (en) * | 2010-07-07 | 2010-11-17 | 江苏中兴创元高压电气有限公司 | Operator for switch equipment |
| CN101887810B (en) * | 2010-07-07 | 2012-10-03 | 江苏中兴创元高压电气有限公司 | Operators for switchgear |
| CN102496496A (en) * | 2011-12-29 | 2012-06-13 | 无锡新宏泰电器科技股份有限公司 | Isolating switch operation mechanism |
| CN102496496B (en) * | 2011-12-29 | 2015-01-07 | 无锡新宏泰电器科技股份有限公司 | Isolating switch operation mechanism |
| CN103762105A (en) * | 2013-12-17 | 2014-04-30 | 胡光福 | Shift fork wheel device of disconnecting switch of operating mechanism and operating method thereof |
| CN103762105B (en) * | 2013-12-17 | 2016-04-06 | 宁波舜利高压开关科技有限公司 | Operating mechanism isolating switch forked plectrum wheel device and actuating method thereof |
| CN107833770A (en) * | 2017-12-12 | 2018-03-23 | 博耳(无锡)电力成套有限公司 | A kind of interlock control apparatus |
| CN107833770B (en) * | 2017-12-12 | 2020-01-17 | 博耳(无锡)电力成套有限公司 | Interlocking control device |
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Open date: 20090408 |