CN101866782A - Auxiliary device of debug circuit breaker mechanism - Google Patents
Auxiliary device of debug circuit breaker mechanism Download PDFInfo
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- CN101866782A CN101866782A CN 201010237924 CN201010237924A CN101866782A CN 101866782 A CN101866782 A CN 101866782A CN 201010237924 CN201010237924 CN 201010237924 CN 201010237924 A CN201010237924 A CN 201010237924A CN 101866782 A CN101866782 A CN 101866782A
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- circuit breaker
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Abstract
The invention discloses an auxiliary device of a debug circuit breaker mechanism, comprising a framework, a downward static contact which fixedly connected with the framework in such a way that the position is adjustable and an upward movable contact which is matched with the downward static contact. The upward movable contact is in a T-shaped shaft shape, the upper end thereof is a free end with a larger section, and the lower of the free end is a rod part with a smaller section; the rod part of the upward movable contact is slidingly connected within a guide sleeve which is fixedly connected with the framework; a contact self-closing compression spring is clamped between the free end of the upward movable contact and the guide sleeve; and the lower end of the rod part of the upward movable contact is connected with an insulating pull rod through a connecting rod. The auxiliary device of the debug circuit breaker mechanism can simulate an explosion chamber of the circuit breaker, and can substitute the explosion chamber in the procedure of debugging the mechanical property of the circuit breaker, thereby avoiding the damage of the explosion chamber caused by the mechanical failure of the circuit breaker mechanism during debugging.
Description
Technical field
The present invention relates to a kind of debugging servicing unit, particularly a kind of servicing unit of debug circuit breaker mechanism.
Background technology
Circuit breaker is used for connecting and cut-offfing circuit, and it not only can connect and cut-off the circuit under the normal operating conditions, also can cut-off the circuit that has fault, and wherein the most serious is short-circuit conditions.Circuit breaker is made up of following several main parts: but the contact of 1 disjunction connects.It is made up of fixed contact and movable contact.2, the device of forming by the insulative cylinders body, but contact connection and the arc extinguishing equipment and the transmission device of disjunction wherein are installed.3, drive the transmission device of contact.4, arc extinguishing equipment.Circuit breaker commonly used is with the method for machinery the moving contact of circuit breaker and fixed contact to be separated when cut-offfing circuit.Then make moving contact and fixed contact closure when closing a floodgate with opposite mechanical movement.When connecting and cut-off the operation of load circuit, will produce electric arc between fixed contact and the moving contact.The electric arc that interrupting process produces is much more serious than making process.When the electric current that cut-offs is very big, when particularly cut-offfing short circuit, electric arc is very big, and open circuit is often very difficult.At present, the arc quenching principle of circuit breaker is common.When promptly electric current flows through intrinsic zero point (being natural zero-crossing) in electrical equipment, carry out strong going and dissociate.This strong liberation that goes is finished by the arc control device in the circuit breaker, and arc control device are critical components of circuit breaker.In the production process of circuit breaker, the mechanism of circuit breaker needs debugging, and in debugging, because the fault of machinery can cause the damage of critical component arc control device.
Summary of the invention
The present invention provides a kind of servicing unit that can avoid the debug circuit breaker mechanism of arc-extinguishing chamber of circuit breaker damage for solving the technical problem that exists in the known technology.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of servicing unit of debug circuit breaker mechanism, comprise framework, the position is fixed in downward fixed contact on the framework and the upwards moving contact adaptive with described downward fixed contact adjustablely, described upwards moving contact is a T oblique crank Z shape, the upper end is the bigger free end of cross section, described is the less bar portion in cross section below free-ended, the described upwards bar portion of moving contact is slidingly connected in the fairlead, described fairlead is fixed on the described framework, is clamped with the self-closing stage clip of contact between the free end of described upwards moving contact and described fairlead; The bar subordinate end of described upwards moving contact is connected with insulated tension pole by connecting rod, described connecting rod is provided with the spiro rod section that is threaded with the described upwards bar portion of moving contact from top to bottom successively, excessive section, pillow block section and spring guide section, described insulated tension pole is provided with the center hole that opening makes progress, the overtravel stage clip is housed in the described center hole, excessive section of described connecting rod, pillow block section and spring guide section penetrate in the described center hole, be set with outer silk locknut on excessive section of described connecting rod, described outer silk locknut is connected in the center hole of described insulated tension pole, excessive section of described connecting rod is slidingly connected in the described outer silk locknut, described overtravel stage clip by the hole of the pillow block section of described connecting rod and described center hole at the bottom of cramping.
The present invention can also adopt following technical scheme: the top of described downward fixed contact is set to screw rod, described framework is provided with upper mounted plate, the screw rod of described downward fixed contact passes the installing hole that is provided with on the described upper mounted plate, and the last locknut that is positioned on the described upper mounted plate is locked on the described upper mounted plate with the following locknut that is positioned under the described upper mounted plate.
Advantage and good effect that the present invention has are: arc control device that can mimic-disconnecting switch, in circuit breaker debugging mechanical property operation, can substitute arc control device, and avoided in the debug process, because the arc control device that the breaker mechanism mechanical breakdown causes damage.
Description of drawings
Fig. 1 is a structural representation of the present invention; Fig. 2 is the end view of Fig. 1; Fig. 3 is the structural representation of connecting rod of the present invention.
Among the figure: 1, upper mounted plate, 2, middle fixed head, 3, bottom plate, 4, support bar, 5, downward fixed contact, 6, go up locknut, 7, locknut down, 8, fairlead, 9, moving contact upwards, 10, the self-closing stage clip of contact, 11, insulated tension pole, 12, the overtravel stage clip, 13, outer silk locknut, 14, connecting rod, 14-1, spiro rod section, 14-2, excessive section, 14-3, pillow block section, 14-4, spring guide section, 15, nut.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, now exemplify following examples, and conjunction with figs. is described in detail as follows: see also Fig. 1～Fig. 3, the servicing unit of a kind of debug circuit breaker mechanism of the present invention, this device comprises upper mounted plate 1, middle fixed head 2, a bottom plate 3 and a general frame that is welded into by eight support bars 4, fixed contact 5 positions are fixed on the said frame adjustablely downwards, be provided with the upwards moving contact 9 adaptive below the downward fixed contact 5 with it, upwards moving contact 9 is a T oblique crank Z shape, the upper end is the bigger free end of cross section, below free-ended is the less bar portion in cross section, upwards the bar portion of moving contact 9 is slidingly connected in the fairlead 8, during fairlead 8 is fixed on the fixed head 2, between the free end of moving contact 9 upwards and fairlead 8, be clamped with the self-closing stage clip 10 of contact; Upwards the bar subordinate of moving contact 9 end is connected with insulated tension pole 11 by connecting rod 14, connecting rod 14 is provided with the spiro rod section 14-1 that is threaded with the bar portion of the moving contact 9 that makes progress from top to bottom successively, excessive section 14-2, pillow block section 14-3 and spring guide section 14-4, insulated tension pole 11 is provided with the center hole that opening makes progress, overtravel stage clip 12 is housed in the center hole, excessive section 14-2 of connecting rod, pillow block section 14-3 and spring guide section 14-4 penetrate in the above-mentioned center hole, be set with outer silk locknut 13 on the excessive section 14-2 of connecting rod, outer silk locknut 13 is threaded in the center hole of insulated tension pole 11, excessive section 14-2 of connecting rod is slidingly connected outside in the silk locknut 13, overtravel stage clip 12 is connected cramping at the bottom of the hole of the pillow block section 14-3 of bar and above-mentioned center hole, the spiro rod section 14-2 of connecting rod is threaded in the upwards bar subordinate end of moving contact 9, and by nut 15 lockings.
In the present embodiment, the top of above-mentioned downward fixed contact 5 is set to screw rod, the screw rod of fixed contact passes the installing hole that is provided with on the above-mentioned upper mounted plate 1 downwards, is positioned at last locknut 6 on the upper mounted plate 1 and the following locknut 7 that is positioned under the upper mounted plate 1 and is locked on the upper mounted plate 1.
There are many group linkages breaker mechanism inside, drive disk assembly by linkage is connected with the lower end of insulated tension pole 11 and drives insulated tension pole 11 and do knee-action, connecting rod 14 and overtravel stage clip 12 are installed in the center hole of insulated tension pole 11, insulated tension pole 11 is connected on the connecting rod 14 by outer silk locknut 13, connecting rod 14 can be outside done relative motion up and down in the centre bore of silk locknut 13, thereby compression overtravel stage clip 12, fixedly connected with moving contact 9 lower ends that make progress in the upper end of connecting rod 14, upwards moving contact 9 is contained in the fairlead 8, move along with moving up and down of insulated tension pole 11, fixed contact 5 is fixedly mounted on the upper mounted plate 1 with following locknut 7 by last locknut 6 downwards, by regulating upwards moving contact 9 and the distance between the fixed contact 5 downwards, make self-closing stage clip 10 of contact and overtravel stage clip 12 reach predetermined parameter, thereby reach the purpose of adjusting breaker mechanism.
When static, upwards moving contact 9 is with fixed contact 5 is closed naturally under the effect of the self-closing stage clip 10 of contact downwards, in the process of debug circuit breaker mechanism, at first above-mentioned servicing unit is installed on the breaker mechanism, usually, gate-dividing state at breaker mechanism is installed, drive disk assembly drive insulated tension pole 11 in the breaker mechanism is done and is moved down, upwards moving contact 9 moves down thereupon, the self-closing stage clip 10 of contact compresses thereupon, upwards moving contact 9 is separated into setpoint distance with downward fixed contact 5, and this setpoint distance is the distance of opening of arc-extinguishing chamber of circuit breaker; Drive disk assembly during combined floodgate in the breaker mechanism drives insulated tension pole 11 and moves up, upwards moving contact 9 moves up thereupon, upwards moving contact 9 contacts with downward fixed contact 5, upwards between moving contact 9 and the downward fixed contact 5 setting pressure is arranged, this setting pressure realizes by compression overtravel stage clip 12, promptly after make progress moving contact 9 and downward fixed contact 5 closures, drive disk assembly in the breaker mechanism also must move up again and one set stroke, driving insulated tension pole 11 moves up, compression overtravel stage clip 12, this setting stroke is the overtravel of arc-extinguishing chamber of circuit breaker; Opening distance and overtravel sum is the total kilometres of the drive disk assembly in the breaker mechanism, and the numerical value of opening distance and overtravel by adjusting reaches industry standard, determines the total kilometres of breaker mechanism, and then adjusts a series of technical parameter of circuit breaker.The concrete adjustment method of circuit breaker is a known technology, does not do at this and gives unnecessary details.
Claims (2)
1. the servicing unit of a debug circuit breaker mechanism, it is characterized in that, comprise that framework, position are fixed in downward fixed contact on the framework and the upwards moving contact adaptive with described downward fixed contact adjustablely, described upwards moving contact is a T oblique crank Z shape, the upper end is the bigger free end of cross section, described is the less bar portion in cross section below free-ended, the described upwards bar portion of moving contact is slidingly connected in the fairlead, described fairlead is fixed on the described framework, is clamped with the self-closing stage clip of contact between the free end of described upwards moving contact and described fairlead; The bar subordinate end of described upwards moving contact is connected with insulated tension pole by connecting rod, described connecting rod is provided with the spiro rod section that is threaded with the described upwards bar portion of moving contact from top to bottom successively, excessive section, pillow block section and spring guide section, described insulated tension pole is provided with the center hole that opening makes progress, the overtravel stage clip is housed in the described center hole, excessive section of described connecting rod, pillow block section and spring guide section penetrate in the described center hole, be set with outer silk locknut on excessive section of described connecting rod, described outer silk locknut is connected in the center hole of described insulated tension pole, excessive section of described connecting rod is slidingly connected in the described outer silk locknut, described overtravel stage clip by the hole of the pillow block section of described connecting rod and described center hole at the bottom of cramping.
2. the servicing unit of debug circuit breaker mechanism according to claim 1, it is characterized in that, the top of described downward fixed contact is set to screw rod, described framework is provided with upper mounted plate, the screw rod of described downward fixed contact passes the installing hole that is provided with on the described upper mounted plate, and the last locknut that is positioned on the described upper mounted plate is locked on the described upper mounted plate with the following locknut that is positioned under the described upper mounted plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237924 CN101866782A (en) | 2010-07-27 | 2010-07-27 | Auxiliary device of debug circuit breaker mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237924 CN101866782A (en) | 2010-07-27 | 2010-07-27 | Auxiliary device of debug circuit breaker mechanism |
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| Publication Number | Publication Date |
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| CN101866782A true CN101866782A (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010237924 Pending CN101866782A (en) | 2010-07-27 | 2010-07-27 | Auxiliary device of debug circuit breaker mechanism |
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| CN (1) | CN101866782A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048617A (en) * | 2012-12-27 | 2013-04-17 | 戴顿（重庆）高压开关有限公司 | Simulated vacuum arc-extinguishing chamber device |
| CN104197877A (en) * | 2013-08-19 | 2014-12-10 | 国家电网公司 | Breaker closing contact size measuring fixture |
| CN105277911A (en) * | 2015-11-26 | 2016-01-27 | 云南电网有限责任公司电力科学研究院 | High voltage circuit breaker arc extinguish chamber simulating system and tester evaluating system |
| CN106571252A (en) * | 2016-10-18 | 2017-04-19 | 上海工程技术大学 | Simulation circuit breaker of flight simulator |
| CN107271864A (en) * | 2017-06-22 | 2017-10-20 | 沈阳工业大学 | Multifunctional arc experimental provision |
| CN109141313A (en) * | 2018-07-05 | 2019-01-04 | 浙江雷胜自动化有限公司 | Breaker dynamic/static contact is opened away from, excess of stroke detection method |
| CN109141314A (en) * | 2018-07-05 | 2019-01-04 | 浙江雷胜自动化有限公司 | A kind of excess of stroke is opened away from detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1158955A (en) * | 1914-11-19 | 1915-11-02 | Apple Electric Company | Switch. |
| US4064383A (en) * | 1976-04-26 | 1977-12-20 | General Electric Company | Vacuum circuit breaker with improved means for limiting overtravel of movable contact at end of opening stroke |
| CN2624376Y (en) * | 2003-06-20 | 2004-07-07 | 汕头市中南开关厂 | Static pressure device for contact of vacuum explosion chamber of high-voltage circuit-breaker |
| CN101271797A (en) * | 2008-04-30 | 2008-09-24 | 中国电力科学研究院 | Spring overtravel device |
| CN101599388A (en) * | 2009-07-13 | 2009-12-09 | 浙江雷博司电器有限公司 | A kind of insulating pull rod for breaker |
| CN201845718U (en) * | 2010-07-27 | 2011-05-25 | 天津久安集团有限公司 | Auxiliary device for debugging circuit breaker mechanism |
-
2010
- 2010-07-27 CN CN 201010237924 patent/CN101866782A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1158955A (en) * | 1914-11-19 | 1915-11-02 | Apple Electric Company | Switch. |
| US4064383A (en) * | 1976-04-26 | 1977-12-20 | General Electric Company | Vacuum circuit breaker with improved means for limiting overtravel of movable contact at end of opening stroke |
| CN2624376Y (en) * | 2003-06-20 | 2004-07-07 | 汕头市中南开关厂 | Static pressure device for contact of vacuum explosion chamber of high-voltage circuit-breaker |
| CN101271797A (en) * | 2008-04-30 | 2008-09-24 | 中国电力科学研究院 | Spring overtravel device |
| CN101599388A (en) * | 2009-07-13 | 2009-12-09 | 浙江雷博司电器有限公司 | A kind of insulating pull rod for breaker |
| CN201845718U (en) * | 2010-07-27 | 2011-05-25 | 天津久安集团有限公司 | Auxiliary device for debugging circuit breaker mechanism |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048617A (en) * | 2012-12-27 | 2013-04-17 | 戴顿（重庆）高压开关有限公司 | Simulated vacuum arc-extinguishing chamber device |
| CN104197877A (en) * | 2013-08-19 | 2014-12-10 | 国家电网公司 | Breaker closing contact size measuring fixture |
| CN105277911A (en) * | 2015-11-26 | 2016-01-27 | 云南电网有限责任公司电力科学研究院 | High voltage circuit breaker arc extinguish chamber simulating system and tester evaluating system |
| CN106571252A (en) * | 2016-10-18 | 2017-04-19 | 上海工程技术大学 | Simulation circuit breaker of flight simulator |
| CN107271864A (en) * | 2017-06-22 | 2017-10-20 | 沈阳工业大学 | Multifunctional arc experimental provision |
| CN107271864B (en) * | 2017-06-22 | 2020-02-14 | 沈阳工业大学 | Multifunctional arc experimental device |
| CN109141313A (en) * | 2018-07-05 | 2019-01-04 | 浙江雷胜自动化有限公司 | Breaker dynamic/static contact is opened away from, excess of stroke detection method |
| CN109141314A (en) * | 2018-07-05 | 2019-01-04 | 浙江雷胜自动化有限公司 | A kind of excess of stroke is opened away from detection device |
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Application publication date: 20101020 |