CN1838358A - Switch-on and switch-off device for outdoor high-voltage isolation switch - Google Patents
Switch-on and switch-off device for outdoor high-voltage isolation switch Download PDFInfo
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- CN1838358A CN1838358A CN 200610050556 CN200610050556A CN1838358A CN 1838358 A CN1838358 A CN 1838358A CN 200610050556 CN200610050556 CN 200610050556 CN 200610050556 A CN200610050556 A CN 200610050556A CN 1838358 A CN1838358 A CN 1838358A
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- cutting blade
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- supporting plate
- guide rod
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Abstract
This invention discloses a shut up-down gate device of the outdoor high-pressure insulation switch, which is composed of the slider which is on the moving-blade, spring, chain wheel, splint which is on the drawing-rope and stator-blade, replacement spring, bending guide rod and so on. This device pulls the elongated hole which is changed from the insulated drawing-pole's hinged hole of the moving-blade's whole gate and pushes that of the moving-blade's branch gate, which divide the shutting up-down action into two courses, that is when shutting the gate down, firstly shutting the moving-blade down, then compacting the moving-blade by the bending pole when it is nearly up to the location; when shutting the gate up, firstly releasing the pressure on the stator-blade from the moving-blade, then making the moving-blade get off from the stator-blade to shut up the gate. This device can make sure of the credibility of the shutting up-down action and the safety of the high pressure power distribution circuit operation, which has a nice using effect.
Description
Technical field
The present invention relates to a kind of outdoors high pressure isolation switch conjugation, switching-off device.
Background technology
Outdoor high-voltage isolating switch three links closes, separating brake is to constitute whether combining of fracture by cutting blade and fixed blade to realize, for guaranteeing to switch on preferably performance, the combination of fracture must have certain thrust, for satisfying this certain thrust, prior art realizes by screw, spring compression, when having required certain thrust, require dynamic and static blade to separate again, usually with electronic or manual realization.But after cutting blade and fixed blade contact badly produce corrosion because of the long-term work lowered in field environment, the capital makes the dynamic and static blade of the outdoor high-voltage isolating switch that moves on high-tension distributing line that the critical defect of " closing not in place, inseparable next " take place, and causes whole operation of power networks to lack reliability and fail safe.
Summary of the invention
Technical problem to be solved by this invention all be to overcome the defective of prior art and provide a kind of and make that dynamic and static blade closes, outdoors high pressure isolation switch conjugation, switching-off device that the separating brake reliable in action improves the high-tension distributing line security of operation.
Technical problem of the present invention solves by the following technical programs:
A kind of outdoors high pressure isolation switch conjugation, switching-off device, it comprises an end and the hinged cutting blade of insulator, realize that cutting blade closes, the insulated tension pole top of separating brake is hinged on the cutting blade, be fixed on the fixed blade that constitutes fracture on another insulator with cutting blade, it is characterized in that:
The hinge hole of a, described insulated tension pole and cutting blade is an elongated hole, and its top is connected with stay cord, and stay cord is walked around pulley and passed spring and connecting along the slide block of the forward and backward slippage of cutting blade;
B, described fixed blade are provided with the supporting plate that is supported by two back-moving springs and are hinged on the bending guide rod of a pair of shape symmetry of both sides, this bending guide rod passes the supporting plate through hole and extends upward to cantilever end, and be subjected to upper and lower move of supporting plate and opening and closing, realize loosening or compress to cutting blade.
The cantilever end termination of described bending guide rod is a chondritic.
The apparent surface of described supporting plate and fixed blade is provided with the groove of two location back-moving springs.
Compared with prior art, the present invention at first is improved to elongated hole with the hinge hole at insulated tension pole top, and on cutting blade, be provided with slip connect the slide block of insulated tension pole by stay cord, on fixed blade, be provided with simultaneously the bending guide rod that compresses or loosen cutting blade, make the closing of dynamic and static blade, separating brake action be divided into two processes and finish, make slide block be pressed onto on the supporting plate earlier when promptly closing a floodgate, this moment, cutting blade entered the fixed blade closing position but malcompression, when pressing down, the bending guide rod just is pressed on the cutting blade slide block again; Slide block is pulled away from supporting plate earlier during separating brake, for the rising of supporting plate provides the space, then the bending guide rod has just been removed the pressure to cutting blade, make cutting blade form loose state to fixed blade, easily finish separating brake action, this mechanism can guarantee to close, the reliability of separating brake action and the fail safe of high-tension distributing line operation, and it is skillfully constructed, rational in infrastructure, have result of use preferably.
Description of drawings
Fig. 1 is structural representation of the present invention (an isolating switch gate-dividing state).
Fig. 2 is structural representation of the present invention (an isolating switch "on" position).
The bending guide rod unclamped the cutting blade state diagram when Fig. 3 was the isolating switch separating brake.
The bending guide rod compressed the cutting blade state diagram when Fig. 4 closed a floodgate for isolating switch.
Fig. 5 is a bending guide rod structure enlarged drawing.
Embodiment
To be described in further detail again the embodiment of the invention by above-mentioned accompanying drawing below.
Shown in Fig. 1～4, outdoors high pressure isolation switch conjugation, switching-off device, comprise cutting blade 1 that is articulated and connected on an insulator 6 and the fixed blade 9 that is fixed on another insulator 13, cutting blade and fixed blade constitute outdoors high pressure isolation switch conjugation, the fracture of separating brake, realize closing by insulated tension pole 7, separating brake, two overlapping cutting blade middle part grooves are passed on the top of insulated tension pole, form hinged relationship with bearing pin and cutting blade, and the hinge hole of insulated tension pole is an elongated hole 5, its top is connected with steel wire tow line 3, stay cord is walked around the pulley 4 that is connected the cutting blade inner chamber and is passed spring 2 and connecting before cutting blade, the slide block 8 of back slippage, spring one end pushing tow slide block, and another piece is spacing by the groove (not shown) of cutting blade self punching press.For making slide block along the cutting blade slippage, being provided with at the cutting blade head can be for the guide groove of slide block slippage.
The fixed blade 9 that is fixed on another insulator has a disjunctor vertical, the plate of Yan Shening forward, plate is provided with the supporting plate 11 that is supported by two back-moving springs 12, be processed with the groove (not shown) of two location back-moving springs the apparent surface of supporting plate and fixed blade for this reason, the fixed blade both sides also are hinged with the bending guide rod 10 of a pair of shape symmetry, in advance at fixed blade extension board both sides gap, be articulated and connected in breach by the lower end of bearing pin the bending guide rod, form the bending guide rod moving structure of can swinging sideward, but its swing is limited by supporting plate, because of the bending guide rod interts on the supporting plate through hole, extend upward to cantilever end simultaneously, and be subjected to supporting plate on, move down and open, close, realize loosening or compress cutting blade.
Bending guide rod 10 is referring to shown in Figure 5, cylindric bar 17, upper end diameter by the lower end are formed less than the roundlet cylindrical rods 15 of lower end diameter and inclination, the coniform bar 16 that the middle part connects upper and lower end, the diameter of its lower end is less than the supporting plate through-hole diameter, the centre-to-centre spacing of supporting plate two through hole is again greater than the pitch-row of two bending guide rods and fixed blade pin joint, like this, the bending guide rod will be realized along with upper and lower the moving of supporting plate opening or be closed.Chondritic 14 is made in the cantilever end termination of bending guide rod, is beneficial to compressing cutting blade.
Concrete structure of the present invention is further understood in description below by dynamic structure:
Outdoors high pressure isolation switch conjugation, switching-off device are that dexterously feed motion and separating brake action have been divided into two processes to be finished, no matter insulated tension pole is that the pulling cutting blade closes a floodgate or promotion cutting blade separating brake, a suitable pretravel is all arranged, allow this pretravel that the slide block below the cutting blade is slidably reciprocated in advance.
When isolating switch closes a floodgate, when insulated tension pole initially moves downward, because the effect of its upper end elongated hole, loosen steel wire tow line earlier, elastic force by spring resets slide block, this moment, insulated tension pole was just in time covered the distance of elongated hole, just start drag the downward feed motion of cutting blade, when the slide block below the cutting blade was pressed onto the supporting plate on the fixed blade and continues to move downward, the upper end that supporting plate drives the bending guide rod moved to the inside, and the both sides of loose cutting blade are tightly pushed down, close a floodgate earlier in other words and compress again, promptly finish conventional feed motion,, pass through the big load current of regulation easily because cutting blade closely contacts with fixed blade.
When the isolating switch separating brake, when insulated tension pole initially moves upward, in like manner, effect because of its upper end elongated hole, elder generation's taut wire stay cord is pulled out supporting plate with the slide block below the cutting blade, remove thrust and the space is provided for supporting plate rises, give spring energy-storage simultaneously again, for resetting of slide block prepared, supporting plate rose and was moved laterally in bending guide rod upper end, has removed the pressure of cutting blade to fixed blade owing to the effect of back-moving spring this moment, make cutting blade loose thereupon, this moment, insulated tension pole was just in time covered the elongated hole distance, just began to promote the make progress separating brake motion of loose cutting blade, put in place up to separating brake, whole process is to loosen separating brake more earlier, and separating brake puts rear slider in place can be from horizontal reset in insulated tension pole promotion cutting blade moves upward process.
This device has solved at present after the outdoor high-voltage isolating switch that high-tension distributing line moves uses soon effectively The critical defect of " close not in place, inseparable come " can take place, greatly improved the reasonability of structure and close, the separating brake action Reliability.
Claims (3)
1, a kind of outdoors high pressure isolation switch conjugation, switching-off device, it comprises an end and the hinged cutting blade (1) of insulator (6), realize that cutting blade closes, insulated tension pole (7) top of separating brake is hinged on the cutting blade, be fixed on another insulator (13) and go up fixed blade (9) with cutting blade (1) formation fracture, it is characterized in that:
A, described insulated tension pole (7) are elongated hole (5) with the hinge hole of cutting blade (1), and its top is connected with stay cord (3), and stay cord is walked around pulley (4) and passed spring (2) and connecting slide block (8) along the forward and backward slippage of cutting blade;
B, described fixed blade (9) are provided with the supporting plate (11) that is supported by two back-moving springs (12) and are hinged on the bending guide rod (10) of a pair of shape symmetry of both sides, this bending guide rod passes the supporting plate through hole and extends upward to cantilever end, and be subjected to upper and lower move of supporting plate and opening and closing, realize loosening or compress to cutting blade.
2, outdoors high pressure isolation switch conjugation according to claim 1, switching-off device, the cantilever end termination that it is characterized in that described bending guide rod (10) are chondritic (14).
3, outdoors high pressure isolation switch conjugation according to claim 1 and 2, switching-off device is characterized in that the described supporting plate (11) and the apparent surface of fixed blade (9) are provided with the groove of two location back-moving springs (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100505567A CN100447925C (en) | 2006-04-28 | 2006-04-28 | Switch-on and switch-off device for outdoor high-voltage isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100505567A CN100447925C (en) | 2006-04-28 | 2006-04-28 | Switch-on and switch-off device for outdoor high-voltage isolation switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1838358A true CN1838358A (en) | 2006-09-27 |
| CN100447925C CN100447925C (en) | 2008-12-31 |
Family
ID=37015683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100505567A Expired - Fee Related CN100447925C (en) | 2006-04-28 | 2006-04-28 | Switch-on and switch-off device for outdoor high-voltage isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100447925C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752139B (en) * | 2008-12-05 | 2012-10-10 | 北京科锐配电自动化股份有限公司 | Isolation switch and switch cabinet with same |
| WO2021174545A1 (en) * | 2020-03-06 | 2021-09-10 | Abb Power Grids Switzerland Ag | Switch, contact protection assembly and manufacturing method thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3802370A1 (en) * | 1988-01-27 | 1989-08-10 | Concordia Sprecher Schalt | DEVICE FOR MECHANICALLY CONNECTING THE SWITCHING KNIVES OF A MEDIUM VOLTAGE SWITCH TO A SWITCH DRIVE |
| CN2336469Y (en) * | 1998-01-09 | 1999-09-01 | 河北保定电力开关设备厂 | High-tension isolating switch |
| CN1080922C (en) * | 1999-12-06 | 2002-03-13 | 周友东 | Combined type circuit breaker with electric operation mechanism |
| DE20201071U1 (en) * | 2001-09-25 | 2002-05-02 | Driescher Spezialfab Fritz | switching cell |
| CN2629197Y (en) * | 2002-09-12 | 2004-07-28 | 朱鸣海 | 12KV outdoor AC isolating swtich and grounding swtich |
| CN2574207Y (en) * | 2002-09-27 | 2003-09-17 | 周友东 | Outdoor combined load isolation switch |
| CN100383905C (en) * | 2003-01-04 | 2008-04-23 | 王若柏 | Outdoor high-voltage separating switch |
| CN2738380Y (en) * | 2004-10-01 | 2005-11-02 | 吴剑青 | Vehicular 20KA electric high voltage isolated switch |
| CN2775820Y (en) * | 2004-12-08 | 2006-04-26 | 长春市飞跃电器开关有限公司 | Outdoor Ac high voltage isolation switch |
| CN2922103Y (en) * | 2006-04-28 | 2007-07-11 | 周友东 | Outdoor high-voltage isolating switch closing, separating device |
-
2006
- 2006-04-28 CN CNB2006100505567A patent/CN100447925C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752139B (en) * | 2008-12-05 | 2012-10-10 | 北京科锐配电自动化股份有限公司 | Isolation switch and switch cabinet with same |
| WO2021174545A1 (en) * | 2020-03-06 | 2021-09-10 | Abb Power Grids Switzerland Ag | Switch, contact protection assembly and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100447925C (en) | 2008-12-31 |
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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: Ningbo Xingbang Electric Co., Ltd. Assignor: Zhou Youdong Contract fulfillment period: 2009.4.23 to 2019.4.22 contract change Contract record no.: 2009330000821 Denomination of invention: Switch-on and switch-off device for outdoor high-voltage isolation switch Granted publication date: 20081231 License type: Exclusive license Record date: 2009.5.4 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.23 TO 2019.4.22; CHANGE OF CONTRACT Name of requester: NINGBO XINGBANG ELECTRICAL APPLIANCES CO., LTD. Effective date: 20090504 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20110428 |