CN201181670Y - Accurate positioning three-position switch operation mechanism - Google Patents
Accurate positioning three-position switch operation mechanism Download PDFInfo
- Publication number
- CN201181670Y CN201181670Y CNU2008200289242U CN200820028924U CN201181670Y CN 201181670 Y CN201181670 Y CN 201181670Y CN U2008200289242 U CNU2008200289242 U CN U2008200289242U CN 200820028924 U CN200820028924 U CN 200820028924U CN 201181670 Y CN201181670 Y CN 201181670Y
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- Prior art keywords
- auxiliary switch
- switch
- pair
- turbine
- fixture
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Abstract
The utility model relates to a control mechanism of a switch which can precisely locate three positions. The utility model includes an electromotor, a transmission mechanism, a box body and an electric control part for controlling the electromotor to rotate; the electromotor is connected with a gear transmission pair; the gear transmission pair is connected with a turbine worm pair; a fixing piece I and a fixing piece II are arranged on the turbine worm pair; one side of the turbine worm pair is provided with a balance wheel which is curved surface body which is matched with the fixing piece I and the fixing piece II; the balance wheel is fixed on the box body through a power output shaft; the power output shaft is connected with the connection rod of a pilot switch which is connected with a pilot switch I and a pilot switch II used for indicating different switch states. The control mechanism of a switch which can precisely locate three positions is simply processed and assembled and can clearly indicate three working positions.
Description
Technical field
The utility model relates to the electric switch technical field, particularly relates to a kind of accurate location three position switch operating mechanism.
Background technology
Typical three position electric equipments are gone up the three position isolating/grounding switch that use as being used for gases at high pressure insulated metal sealing switch equipment (being called for short GIS), the three position electric equipments such as three position isolating/grounding switch that the SF6 inflation is cashier's office in a shop used can get more and more along with the technical development of switchgear and the demand of miniaturization, because of three position operating mechanisms require all will reach high positioning accuracy on three service positions, so domestic height that is applied to that does not also have maturation at present, in, three positions in the low-voltage electrical field are electronic, manual operation mechanism, three nearly all positions are electronic, manual operation mechanism all needs from external import.
1. foreign technology scheme and present situation:
External three positions are electronic, the structure and the operating principle of manual operation mechanism: during this mechanism action, realize the conversion of three service positions by accurate complicated cam gear of motor drives, and lock its service position by the mechanical location locking device, the single auxiliary switch that adopts can not three service positions of clear indication, and the cam gear requirement on machining accuracy is very high.
2. the shortcoming of external scheme:
A) material, heat treatment requirements and the machining accuracy of import three position each parts of operating mechanism are high.Once had that domestic manufacturer is that certain import three position is electronic, the emergent spare part of manual operation mechanism processing, same part processing repeatedly, all because of not reaching required precision, the assembling back find mechanism on three positions all appearance locate inaccurate situation and can't use;
B) when using, reality requires that because of three position operating mechanisms arranged thousands of times mechanical endurance, require mechanism that very strong mechanical stability is arranged during mechanical endurance, high part processing precision and extremely tight size, tolerance fit certainly will can not guarantee its positioning accuracy on three service positions because of the mechanical wear of mechanism in operating process;
C) import three position operating mechanism controls are complicated, the failure rate height.Statistics according to department of State Grid shows that mechanism-trouble accounts for more than 60% of total failare, this shows the significance level of mechanism reliability.
D) import three position operating mechanism spare part deficiencies can't be keeped in repair after causing mechanism-trouble, cause very big economic loss;
E) import three position operating mechanisms have only one with auxiliary switch, can not effectively indicate various operating states simultaneously;
3. present status in China:
Domestic is at present blank basically on the motor-operating mechanism field that is applied to high, medium and low voltage three position electric equipments, the minority manufacturer production is only arranged, product is because of existing the inaccurate defective in location, never scale is used on electric equipment, and the demand of three position motor-operating mechanisms is increasing, forces cost that applying unit costs a lot of money from external import three position motor-operating mechanisms.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, provides a kind of processing, assembling is simple, positioning accuracy is high, accurate location three position switch operating mechanism that can three service positions of clear indication.
For achieving the above object, the technical solution adopted in the utility model is: a kind of accurate location three position switch operating mechanism, comprise motor, transmission mechanism, the electric control system of casing and the rotation of control motor, described transmission mechanism comprises gear driving pair and turbine and worm pair, described motor connects gear driving pair, described gear driving pair connects the turbine and worm pair, described turbine and worm pair is provided with fixture one and fixture two, the secondary side of turbine and worm is provided with escapement, the curved body of described escapement for matching with fixture one and fixture two, escapement is fixed on the casing by power output shaft, power output shaft is connected with the auxiliary switch connecting rod, and the auxiliary switch connecting rod is connected with auxiliary switch one and the auxiliary switch two that is used to indicate different on off states.
Described turbine and worm pair is provided with the handle that is used for manual actuating.
Be connected by spring between described auxiliary switch connecting rod and auxiliary switch one and the auxiliary switch two.
Described fixture one and fixture two are pin.
The utility model compared with prior art has the following advantages:
1) the utility model is simple in structure, adopts the curved body location, and positioning accuracy height, mechanism action are to the precalculated position, and turbine and worm pair and curved body break away from automatically, lock the position of driven pulley simultaneously, reliable in action;
2) part processing is simple, and interchangeability is good, and the economy height is suitable for producing in batches;
3) electrical equipment control is simple and reliable;
4) two auxiliary switch difference single movement, the effectively various operating modes of indicating mechanism;
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Description of reference numerals:
The 1-motor; The 2-gear driving pair; 3-turbine and worm pair;
4-pin one; 5-locks slide block; 6-pin two;
The 7-escapement; 8-travel switch one; The 9-binding post;
10-auxiliary switch connecting rod; 11-auxiliary switch one; 12-auxiliary switch two;
13-contactor one; 14-travel switch two; 15-contactor two;
16-travel switch three; The 17-handle; The 18-power output shaft;
The 19-rotating shaft; The 21-casing.
Embodiment
Accurately locate the three position switch operating mechanism as shown in Figure 1, comprise motor 1, casing 21, the electric control system of transmission mechanism and the rotation of control motor, described transmission mechanism comprises gear driving pair 2 and turbine and worm pair 3, and described electric control system comprises travel switch 1, travel switch 2 14, travel switch 3 16, contactor 1 and contactor 2 15.
Motor 1 one sides are provided with the contactor 1 that is used for drive motor 1 forward rotation and are used for drive motor 1 counter-rotational contactor 2 15, the gear driving pair 2 that connects with motor 1, the turbine and worm pair 3 that connects with gear driving pair 2, turbine and worm pair 3 is provided with pin 1 and pin 26, secondary 3 one sides of turbine and worm are provided with escapement 7, escapement 7 cooperates with pin 1 and pin 26, turbine and worm pair 3 is provided with the locking slide block 5 that is used to lock turbine and worm secondary 3 and escapement 7, locking slide block 5 is connected with turbine and worm secondary 3 by rotating shaft 19, escapement 7 is provided with power output shaft 18, power output shaft 18 is connected with auxiliary switch connecting rod 10, auxiliary switch connecting rod 10 is connected with auxiliary switch 1 and the auxiliary switch 2 12 that is used to indicate different on off states, and escapement 7 one sides are provided with the travel switch 1 of the corresponding different position of the switch respectively, travel switch 2 14 and travel switch 3 16.
This mechanism's one side is provided with the binding post 9 that is used for wiring.
In secondary 3 one sides of turbine and worm handle 17 is set, manually direct control turbine and worm secondary 3 rotates and carries out position of the switch switching.
Be connected by spring between described auxiliary switch connecting rod 10 and auxiliary switch 1 and the auxiliary switch 2 12.
When mechanism's state exchange, pin 1 or pin 26 promote escapement 7 and rotate, when escapement 7 drive power output shafts 18 forward the precalculated position to, pin 1 or pin 26 breaks away from escapement 7, and the 5 locking escapements 7 of the locking slide block on the turbine and worm pair 3 are that the position of power output shaft 18 is to realize accurate location simultaneously.The different operating position that auxiliary switch 1 and auxiliary switch 2 12 link to each other and are used for indicating mechanism with power output shaft 18, travel switch 1, travel switch 2 14 and travel switch 3 16 control motor 1 are in the startup of three service positions and stop.
Operation principle:
Travel switch 1, travel switch 2 14 and travel switch 3 16 be corresponding service position one, centre position and service position two respectively.
This three positions process electronic, that manual operation mechanism carries out three position change actions is as follows:
A) centre position: be mechanism's initial condition when mechanism mediates, auxiliary switch 1, auxiliary switch 2 12 are in gate-dividing state separately at this moment;
B) centre position-service position one: behind mechanism's receive status switching command, contactor one 13 actions, its normal opened contact adhesive, drive motor 1 forward rotation drives the escapement 7 that is fixed on the power output shaft 18 and clockwise rotates by gear driving pair 2, turbine and worm pair 3, pin 1, when power output shaft 18 forwards the precalculated position to, travel switch one 8 actions, cut off the power supply of contactor 1, motor 1 stops operating, and locks slide block 5 simultaneously the position of escapement 7 is accurately locked; Drive auxiliary switch one 11 actions by auxiliary switch connecting rod 10 in the mechanism action process, indicate the state of mechanism service position one, this moment, auxiliary switch 2 12 was failure to actuate.
C) one-centre position, service position: behind mechanism's receive status switching command, contactor 2 15 actions, its normal opened contact adhesive, drive motor 1 backward rotation drives the escapement 7 that is fixed on the power output shaft 18 and rotates counterclockwise by gear driving pair 2, turbine and worm pair 3, pin 1, when power output shaft 18 forwards the precalculated position to, travel switch 3 16 actions, cut off the power supply of contactor 2 15, motor 1 stops operating, and locks slide block 5 simultaneously the position of escapement 7 is accurately locked; Drive auxiliary switch one 11 actions by auxiliary switch connecting rod 10 in the mechanism action process, indicate the state of mechanism service position one, this moment, auxiliary switch 2 12 was failure to actuate.
D) centre position-service position two: behind mechanism's receive status switching command, contactor 2 15 actions, its normal opened contact adhesive, drive motor 1 backward rotation drives the escapement 7 that is fixed on the power output shaft 18 and rotates counterclockwise by gear driving pair 2, turbine and worm pair 3, pin 26, when power output shaft 18 forwards the precalculated position to, travel switch 2 14 actions, cut off the power supply of contactor 2 15, motor 1 stops operating, and locks slide block 5 simultaneously the position of escapement 7 is accurately locked; Drive auxiliary switch 2 12 actions by auxiliary switch connecting rod 10 in the mechanism action process, indicate the state of mechanism service position two, this moment, auxiliary switch 1 was failure to actuate.
E) two-centre position, service position: behind mechanism's receive status switching command, contactor one 13 actions, its normal opened contact adhesive, drive motor 1 forward rotation drives the escapement 7 that is fixed on the power output shaft 18 and clockwise rotates by gear driving pair 2, turbine and worm pair 3, pin 26, when power output shaft 18 forwards the precalculated position to, travel switch 3 16 actions, cut off the power supply of contactor 1, motor 1 stops operating, and locks slide block 5 simultaneously the position of escapement 7 is accurately locked; Drive auxiliary switch 2 12 actions by auxiliary switch connecting rod 10 in the mechanism action process, indicate the state of mechanism service position two, this moment, auxiliary switch 1 was failure to actuate.
Claims (4)
1. accurately locate the three position switch operating mechanism for one kind, comprise motor, transmission mechanism, the electric control system of casing and the rotation of control motor, described transmission mechanism comprises gear driving pair and turbine and worm pair, it is characterized in that: described motor connects gear driving pair, described gear driving pair connects the turbine and worm pair, described turbine and worm pair is provided with fixture one and fixture two, the secondary side of turbine and worm is provided with escapement, the curved body of described escapement for matching with fixture one and fixture two, escapement is fixed on the casing by power output shaft, power output shaft is connected with the auxiliary switch connecting rod, and the auxiliary switch connecting rod is connected with auxiliary switch one and the auxiliary switch two that is used to indicate different on off states.
2. accurate location according to claim 1 three position switch operating mechanism is characterized in that described turbine and worm pair is provided with the handle that is used for manual actuating.
3. accurate location according to claim 1 and 2 three position switch operating mechanism is characterized in that being connected by spring between described auxiliary switch connecting rod and auxiliary switch one and the auxiliary switch two.
4. accurate location according to claim 1 and 2 three position switch operating mechanism is characterized in that described fixture one and fixture two are pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200289242U CN201181670Y (en) | 2008-04-24 | 2008-04-24 | Accurate positioning three-position switch operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200289242U CN201181670Y (en) | 2008-04-24 | 2008-04-24 | Accurate positioning three-position switch operation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201181670Y true CN201181670Y (en) | 2009-01-14 |
Family
ID=40251166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200289242U Expired - Fee Related CN201181670Y (en) | 2008-04-24 | 2008-04-24 | Accurate positioning three-position switch operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201181670Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983036A (en) * | 2012-10-30 | 2013-03-20 | 江苏精科智能电气股份有限公司 | Transmission device used for multi-station switch single phase and three-phase mechanical linkage |
| CN104299806A (en) * | 2013-07-18 | 2015-01-21 | 江苏精科智能电气股份有限公司 | Auxiliary transmission device used for multi-working-position electric operating mechanism |
| CN107564759A (en) * | 2017-09-30 | 2018-01-09 | 上海纳杰电气成套有限公司 | A kind of manual three station operating mechanism |
-
2008
- 2008-04-24 CN CNU2008200289242U patent/CN201181670Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983036A (en) * | 2012-10-30 | 2013-03-20 | 江苏精科智能电气股份有限公司 | Transmission device used for multi-station switch single phase and three-phase mechanical linkage |
| CN104299806A (en) * | 2013-07-18 | 2015-01-21 | 江苏精科智能电气股份有限公司 | Auxiliary transmission device used for multi-working-position electric operating mechanism |
| CN107564759A (en) * | 2017-09-30 | 2018-01-09 | 上海纳杰电气成套有限公司 | A kind of manual three station operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20110424 |