CN1682330A - Spring operator for switch - Google Patents
Spring operator for switch Download PDFInfo
- Publication number
- CN1682330A CN1682330A CNA038220407A CN03822040A CN1682330A CN 1682330 A CN1682330 A CN 1682330A CN A038220407 A CNA038220407 A CN A038220407A CN 03822040 A CN03822040 A CN 03822040A CN 1682330 A CN1682330 A CN 1682330A
- Authority
- CN
- China
- Prior art keywords
- toggle link
- spring
- output shaft
- toggle
- rotation
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Transmission Devices (AREA)
- Gear Transmission (AREA)
- Manipulator (AREA)
Abstract
A spring operator for a switch, wherein a toggle spring (8) is connected to a rotatable toggle lever (5), the toggle lever (5) is rotated until the toggle lever (5) and the toggle spring (8) forms a dead point, the toggle lever (5) is further rotated and, immediately after the toggle lever (5) exceeds the dead point, the toggle lever (5) quickly operates to rotate an output shaft (11) driven by the toggle lever (5) so as to turn on/off the switch (14), and the toggle lever (5) is connected to the toggle spring (8) through a relay lever (7) and a link (6) so that different output shaft torque characteristics can be provided according to the rotating direction of the output shaft.
Description
Technical field
The present invention relates to spring energy-storage, by the switching device spring-operated device of the movable part of switching devices such as this energy drives circuit breaker.
Background technology
The spring-operated device is used in the make-break operation of the switching device that carries out circuit breaker etc.
Fig. 4 is the stereogram of existing switching device with the spring-operated device.Switching device spring-operated device carries out the make-break operation of circuit breaker by being connected in the action bars that is installed in the connecting rod on the output shaft.
In Fig. 4, the turning power of geared motor 1, the worm shaft 2 paired worm gears 4 that directly linked by the output shaft with geared motor 1 slow down, and make by the toggle link that combines with worm gear 4 in conjunction with stage portion 4a, 5a (ト グ Le レ バ one) 5 and rotate.In addition, also can replace geared motor 1 to make its rotation with the action bars 2d that manual operation handle 2c is connected in bevel gear 2b.
By the rotation of toggle link 5, an end fixed and an other end is connected in toggle link spring (ト グ Le ば ね) 8 compressions of toggle link 5.When toggle link 5 formed the dead point in line with toggle link spring 8, toggle link spring 8 was farthest compressed, and further rotated and and then released energy toggle link 5 quick actings after surmounting the dead point of toggle link spring 8 at toggle link 5.At this moment toggle link 5, releasing combine with worm gear 4, elastic force by toggle link spring 8 drives toggle link 5, then, by toggle link 5 in conjunction with stage portion 5b and bar 9 combine stage portion 9a in conjunction with the bar 9 that drives, drive output shafts 11, carry out the make-break operation of circuit breaker 14 by the forked V shape bar 12 that combines with the cylinder 10 that is located on the bar 9 by the action bars on the connecting rod 13 that is connected in output shaft 11 15.
Fig. 5 is the figure of the output torque characteristic of expression load torque of existing spring-operated device and operator.Existing spring-operated device, in that the torque arm of toggle link is little as the load of the dead point toggle link spring that begins to move of output shaft is big, the torque arm of toggle link is big and the load of toggle link spring diminishes when the output shaft release, therefore, the moment of torsion of toggle link is the chevron characteristic that peak value is arranged in the action way.
On the other hand, used the load characteristic of the switching device of spring-operated device, owing to, therefore, be transformed into bath shape characteristic midway in action with bottom by described fork arm at stroke initial stage or the final moment of torsion that need be big of stroke.
The load characteristic of switching device is as shown in Figure 5, different fully during through and off.On the other hand, have to become the characteristic that equates when the switching by the torque characteristics of fork arm conversion, can be at the stroke initial stage and the excessive moment of torsion of the final generation of stroke, following problem be arranged.
(1) becomes unnecessary load on spring owing to too much releasing energy, the size of operator is increased.
(2) owing to, make buffer unit maximize at the excessive moment of torsion of the final generation of stroke.
(3) loss that is caused by fork arm sliding friction partly is big.
Summary of the invention
Therefore, purpose of the present invention promptly is to provide and can sets the output torque characteristic arbitrarily, can realize and the switching device of the corresponding torque characteristics of load spring-operated device.
Switching device of the present invention spring-operated device, on rotating toggle link, connect the toggle link spring, toggle link rotates and makes toggle link and toggle link spring form the dead point, toggle link further rotates at it and and then carries out quick acting after crossing described dead point, and the switching operation of switching device is carried out in the rotation of the output shaft that is driven by toggle link; Between toggle link and toggle link spring jack shaft and connecting rod are set, the setting of bar angle that can be by jack shaft and set the output torque characteristic arbitrarily realizes the torque characteristics corresponding to load.
Can realize having because of the different output shaft torque characteristic of rotation direction, on a rotation direction rotation initial stage than rotate final big and on another rotation direction the rotation initial stage than rotating final little output shaft torque characteristic.
Description of drawings
Fig. 1 is the stereogram of spring-operated device of the present invention.
Fig. 2 (a)～(c) is the toggle link of expression spring-operated device of the present invention and the figure of toggle link spring variable condition.
Fig. 3 is the figure of the torque characteristics of expression the present invention and existing output shaft.
Fig. 4 is the stereogram of existing switching device with the spring-operated device.
Fig. 5 is the figure of the output torque characteristic of expression load torque of existing spring-operated device and operator.
Embodiment
Fig. 1 is the stereogram of spring-operated device of the present invention.In Fig. 1, though do not illustrate around geared motor, the worm shaft, but and geared motor, the worm shaft of existing spring-operated device shown in Figure 4 do not have any variation, spring-operated device of the present invention, as shown in Figure 4, directly connecting the worm shaft 2 that front end is provided with worm screw 2a on the output shaft of geared motor 1, worm screw 2a is engaged in the worm gear 4 that the earth's axis free to rotate is being propped up on axle 3, by driven wheel drive motor 1 worm shaft 2 is rotated worm gear 4 is slowed down and rotation.And, also can be the same with existing spring-operated device, worm shaft 2 is provided with bevel gear 2b, and manual operation handle 2c is connected in the operating axis 2d of bevel gear 2b and makes its rotation.
Toggle link 5 be adjacent to worm gear 4 and freely to rotate axle in axle 3.Worm gear one side of toggle link 5 form with worm gear 4 in conjunction with stage portion 4a combine in conjunction with stage portion 5a, make toggle link 5 rotations by both combination in conjunction with stage portion 4a, 5a.
Pivot is propping up an end of connecting rod 6 on toggle link 5, and the other end pivot of connecting rod 6 props up on an end of the intermediate bar 7 that axle on the axle 7a is propping up.The other end pivot of intermediate bar 7 props up on the other end of the toggle link spring 8 that at one end is fixed.By the rotation of toggle link 5, intermediate bar 7 rotates and compression toggle link spring 8 across connecting rod 6.
Be adjacent to toggle link 5 and disposing connecting rod 13 free to rotately, toggle link one side of connecting rod 13 form and toggle link 5 in conjunction with stage portion 5b combine in conjunction with stage portion 13a, by both combinations in conjunction with stage portion 5b, 13a, toggle link 5 rotates connecting rod 13.Forming with the stage portion 13a that combines of connecting rod 13 in conjunction with stage portion 5b of toggle link 5 combines when compressed toggle link spring 8 forms the dead point.The action bars 15 that on connecting rod 13, is connecting circuit breaker 14.
Bottom illustrates the action of spring-operated device of the present invention.Fig. 2 (a)～(c) is the figure of expression toggle link and toggle link spring variable condition.
If by geared motor 1 or manual handle 2c worm shaft 2 is rotated from disconnected state, worm gear 4 rotates, and makes toggle link 5 along clockwise direction rotate in conjunction with stage portion 4a with combining in conjunction with stage portion 5a of toggle link 5 by worm gear 4.
The rotation of toggle link 5 makes intermediate bar 7 rotate to counter-clockwise direction by connecting rod 6, and toggle link spring 8 is compressed (with reference to Fig. 2 (a)).
Further rotated by worm gear 4 rotations, toggle link 5, toggle link 5 is positioned at same straight line with connecting rod 6, and becoming does not have the dead point of torsional interaction state (with reference to Fig. 2 (b)) on toggle link 5.
As cross the dead point and be rotated further, the rotation direction of intermediate bar 7 is to reverse to clockwise direction, the compressive state of toggle link spring 8 is released and is accelerated, further toggle link 5 rotated to clockwise direction, and connecting rod 13 is rotated to clockwise direction, make circuit breaker 14 become logical state (with reference to Fig. 2 (c)) by coupled action bars 15.
As shown in Figure 3, the present invention has because of the different output shaft torque characteristic of rotation direction, can obtain on rotation direction rotation initial stage than rotate final big and on another rotation direction the rotation initial stage than rotating final little output shaft torque characteristic.
The present invention is provided with jack shaft and connecting rod between toggle link and toggle link spring, the setting of the bar angle by jack shaft and can set the output torque characteristic arbitrarily, can realize and the corresponding torque characteristics of load.
Owing to can suppress the release of useless energy, so can make spring-operated device densification.Owing to can be suppressed at the excessive moment of torsion of the final generation of stroke, so can reduce buffer unit.
The present invention can be applied to setting the output torque characteristic arbitrarily, can realize and the switching device of the corresponding torque characteristics of load spring-operated device.
Claims (2)
1. switching device spring-operated device, described spring-operated device connects the toggle link spring on rotating toggle link, toggle link rotates and makes toggle link and toggle link spring form the dead point, and then toggle link carries out quick acting after further described dead point is crossed in rotation, the make-break operation of switching device is carried out in the rotation of the output shaft that drives by toggle link, it is characterized in that, toggle link and toggle link spring are linked up, so that can obtain because of the different output shaft torque characteristic of rotation direction by intermediate bar and connecting rod.
2. the described switching device of claim 1 spring-operated device, it is characterized in that, described because of the different output shaft torque characteristic of rotation direction, be on a rotation direction rotation initial stage than rotate final big and on another rotation direction the rotation initial stage than rotating final little output shaft torque characteristic.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP269524/2002 | 2002-09-17 | ||
| JP2002269524A JP4249964B2 (en) | 2002-09-17 | 2002-09-17 | Spring actuator for switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1682330A true CN1682330A (en) | 2005-10-12 |
| CN1311490C CN1311490C (en) | 2007-04-18 |
Family
ID=32024812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038220407A Expired - Lifetime CN1311490C (en) | 2002-09-17 | 2003-08-25 | Spring operator for switch |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4249964B2 (en) |
| KR (1) | KR100968919B1 (en) |
| CN (1) | CN1311490C (en) |
| TW (1) | TWI272629B (en) |
| WO (1) | WO2004027805A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100804256B1 (en) * | 2007-03-02 | 2008-02-18 | (주)멕텍 | Flexible manual on/off device |
| KR101038089B1 (en) | 2009-08-28 | 2011-06-01 | 주식회사 효성 | operating device for switch |
| JP2013032446A (en) * | 2010-08-04 | 2013-02-14 | Unitika Ltd | Copolymerized polyester resin composition |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2545771B2 (en) * | 1984-03-16 | 1996-10-23 | 日新電機株式会社 | Spring operation device for switch |
| JPS63218112A (en) * | 1987-03-06 | 1988-09-12 | 株式会社東芝 | Operator for switch |
| JPH0793077B2 (en) * | 1987-07-10 | 1995-10-09 | 株式会社日立製作所 | Switch operating device |
| JP2866089B2 (en) * | 1988-04-21 | 1999-03-08 | 株式会社日立製作所 | Operating device for switchgear |
| JPH0646047Y2 (en) * | 1988-05-06 | 1994-11-24 | 株式会社東芝 | Switch operating device |
| JPH0527936U (en) * | 1991-09-19 | 1993-04-09 | 株式会社明電舎 | Electric power equipment operation device |
| JPH09161621A (en) * | 1995-12-04 | 1997-06-20 | Toshiba Corp | Disconnecting switch |
| JPH11203990A (en) * | 1998-01-13 | 1999-07-30 | Toshiba Corp | Operating mechanism for switch |
-
2002
- 2002-09-17 JP JP2002269524A patent/JP4249964B2/en not_active Expired - Lifetime
-
2003
- 2003-08-15 TW TW092122532A patent/TWI272629B/en not_active IP Right Cessation
- 2003-08-25 WO PCT/JP2003/010721 patent/WO2004027805A1/en active Application Filing
- 2003-08-25 KR KR1020057003956A patent/KR100968919B1/en active IP Right Grant
- 2003-08-25 CN CNB038220407A patent/CN1311490C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP4249964B2 (en) | 2009-04-08 |
| KR20050057265A (en) | 2005-06-16 |
| JP2004111121A (en) | 2004-04-08 |
| WO2004027805A1 (en) | 2004-04-01 |
| KR100968919B1 (en) | 2010-07-14 |
| CN1311490C (en) | 2007-04-18 |
| TWI272629B (en) | 2007-02-01 |
| TW200405377A (en) | 2004-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiaxing letter guarantee exhibition Electromechanical Science and Technology Co.,Ltd. Assignor: TKD Corp. Contract record no.: 2010990000605 Denomination of invention: Spring operator for switch Granted publication date: 20070418 License type: Exclusive License Open date: 20051012 Record date: 20100806 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070418 |