CN104576239A - Free tripping device for operating mechanism of air circuit breaker - Google Patents
Free tripping device for operating mechanism of air circuit breaker Download PDFInfo
- Publication number
- CN104576239A CN104576239A CN201510003990.9A CN201510003990A CN104576239A CN 104576239 A CN104576239 A CN 104576239A CN 201510003990 A CN201510003990 A CN 201510003990A CN 104576239 A CN104576239 A CN 104576239A
- Authority
- CN
- China
- Prior art keywords
- tripping
- push rod
- energy storage
- circuit breaker
- sheet
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
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- Breakers (AREA)
Abstract
The invention discloses a free tripping device for an operating mechanism of an air circuit breaker. The free tripping device comprises a buckle semi-shaft, a tripping assembly, an ejection rod and a limiting pin shaft. The tripping assembly comprises a tripping piece, one end of the tripping piece is connected with a reset spring, the reset spring is connected with a fixing shaft, and the middle of the tripping piece is provided with a fixed shaft and a sliding shaft. The tripping piece rotates along the fixed shaft pin. The ejection rod is formed by bending a board, is installed on a locating shaft and can rotate around the locating shaft, one end of the ejection rod is connected with an energy storage lever through a tension spring, and the other end of the ejection rod always abuts against on the sliding shaft and is provided with an arc contact face and a groove. The energy storage lever is connected with an energy storage transmission mechanism. The limiting pin shaft is arranged on one side of the ejection rod, and the position, corresponding to the ejection rod, of the limiting pin shaft is provided with a limiting groove. The free tripping device can quickly separate the air circuit breaker and has an automatic re-trip function.
Description
Technical field
The present invention relates to a kind of Universal circuit breaker operating mechanism, particularly relate to a kind of Universal circuit breaker operating mechanism free handle.
Background technology
Free handle is the device of contact breaker contact system and transmission mechanism; when circuit breaker is by fault current; for realizing protection to circuit, circuit breaker should be able to breaking current in time, and this just requires that operating mechanism free handle must flexible, action message.At present, the existing free handle ubiquity for breaker contact system cannot disjunction and the shortcoming of automatically detaining again fast.
Summary of the invention
The object of the present invention is to provide a kind of Universal circuit breaker operating mechanism free handle, it has can disjunction and automatically detain the feature of function more fast, to solve in prior art for the problems referred to above that the free handle of breaker contact system exists.
For reaching this object, the present invention by the following technical solutions:
A kind of Universal circuit breaker operating mechanism free handle, it comprises snap close semiaxis, tripping assembly, push rod and spacing bearing pin, wherein, described tripping assembly comprises the tripping sheet be arranged at below snap close semiaxis, described push rod is arranged at the below of tripping sheet, one end of described tripping sheet is connected with back-moving spring, described back-moving spring connects a fixed axis, and the middle part of described tripping sheet is provided with fixing pivot pin and sliding axle, described tripping sheet rotates along described fixing pivot pin, when described tripping sheet rotates, it is relative to being provided with the other end snap close of back-moving spring in the below of snap close semiaxis or disengagement snap close semiaxis, described push rod is formed by sheet metal bending and to be installed on locating shaft and to rotate around this axle, and one end of described push rod connects energy storage lever by extension spring, the other end to be resisted against all the time on described sliding axle and it to offer contact-making surface and the groove of circular arc, described energy storage lever connects energy storage transmission mechanism, described spacing bearing pin is arranged at the side of described push rod, limited impression is offered corresponding on push rod.
Especially, described sliding axle is rotatably mounted with outer ring and roll assembly, one end of described push rod is resisted against on outer ring and roll assembly all the time, to make between the contact-making surface of push rod and outer ring and roll assembly as rolling friction, greatly can reduce the wearing and tearing of push rod, simultaneously can the separating brake power of reducing mechanism, increase flexibility and the reliability of trip gear.
Especially, described tripping sheet is provided with two, two tripping chip architectures are identical forms by sheet metal bending for this, and the two ends of described two tripping sheets are all carried out parallel interval by rivet and are fixedly connected as entirety, described back-moving spring is connected on the rivet between described two tripping sheets, to improve the reliability of this mechanism.
Especially, the one end described push rod connecting energy storage lever is provided with connecting axle, between the two ends of described connecting axle and the two ends of described energy storage lever, is all connected with extension spring.
Beneficial effect of the present invention is, compared with prior art described Universal circuit breaker operating mechanism free handle not only achieves the quick disjunction of omnipotent breaker, and has and automatically detain function again.
Accompanying drawing explanation
Fig. 1 is the perspective view of the Universal circuit breaker operating mechanism free handle that the specific embodiment of the invention 1 provides;
Fig. 2 is the schematic diagram that Universal circuit breaker operating mechanism free handle that the specific embodiment of the invention 1 provides is in trip free state;
Fig. 3 is the schematic diagram that Universal circuit breaker operating mechanism free handle that the specific embodiment of the invention 1 provides is in buckle-like state again;
Fig. 4 is the profile of the tripping assembly of the Universal circuit breaker operating mechanism free handle that the specific embodiment of the invention 1 provides;
Fig. 5 is the end view of the push rod of the Universal circuit breaker operating mechanism free handle that the specific embodiment of the invention 1 provides.
In figure:
1, snap close semiaxis; 2, tripping assembly; 20, tripping sheet; 21, rivet; 22, back-moving spring; 23, fixing pivot pin; 24, sliding axle; 25, outer ring and roll assembly; 3, push rod; 30, location hole; 31, connecting axle; 32, extension spring; 33, energy storage lever; 34, contact-making surface; 35, groove; 36, limited impression; 4, spacing bearing pin; 5, fixed axis.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Refer to shown in Fig. 1 and Fig. 5, in the present embodiment, a kind of Universal circuit breaker operating mechanism free handle comprises snap close semiaxis 1, tripping assembly 2, push rod 3 and spacing bearing pin 4, wherein, described tripping assembly comprises two the tripping sheets 20 be arranged at below snap close semiaxis 1, two tripping sheet 20 structures are identical forms by sheet metal bending for this, and the two ends of described two tripping sheets 20 are all carried out parallel interval by rivet 21 and are fixedly connected as entirety, described two tripping sheet 20 one end rivet 21 on be connected with back-moving spring 22, the other end of described back-moving spring 22 connects a fixed axis 5, and the middle part of described two tripping sheets 20 is provided with fixing pivot pin 23 and sliding axle 24, described two tripping sheets 20 rotate along described fixing pivot pin 23, described sliding axle 24 is rotatably mounted with outer ring and roll assembly 25, when described two tripping sheets 20 rotate, it is relative to being provided with the other end snap close of back-moving spring 22 in the below of snap close semiaxis 1 or disengagement snap close semiaxis 1.
Described push rod 3 is formed by sheet metal bending and it offers location hole 30, locating shaft (not illustrating in figure) is installed in described location hole 30, described push rod 3 rotates around described locating shaft, and one end of described push rod 2 is provided with connecting axle 31, the two ends of described connecting axle 31 are all connected with extension spring 32, the other end of described extension spring 32 connects the two ends of energy storage lever 33, described energy storage lever 33 connects energy storage transmission mechanism, the action of energy storage lever 33 is driven by energy storage transmission mechanism, the other end of described push rod 2 to be resisted against all the time on described outer ring and roll assembly 25 and it to offer contact-making surface 34 and the groove 35 of circular arc, described spacing bearing pin 4 is arranged at the side of described push rod 3, limited impression 36 is offered corresponding on push rod 3.
When operating mechanism carries out stored energy operation, push rod 3 rotates under the effect of extension spring 32 power, outer ring and roll assembly 25 on tripping sheet 20 contacts with push rod 3 all the time under the effect of back-moving spring 22 power, after operating mechanism completes energy storage, outer ring and roll assembly 25 on tripping sheet 20 falls in the groove 35 of push rod 3 head just, the sheet of tripping simultaneously 20 drops on the below of snap close semiaxis 1, realizes automatically detaining again.Circuit breaker, when "on" position, if break down electric current, will unlock snap close semiaxis 1 after intelligent controller receives trip signal, and tripping sheet 20 is rapid action under the effect of contact counter-force, realizes quick disjunction.
Above embodiment has just set forth general principle of the present invention and characteristic; the present invention does not limit by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (4)
1. a Universal circuit breaker operating mechanism free handle, it comprises snap close semiaxis, tripping assembly, push rod and spacing bearing pin, it is characterized in that, described tripping assembly comprises the tripping sheet be arranged at below snap close semiaxis, described push rod is arranged at the below of tripping sheet, one end of described tripping sheet is connected with back-moving spring, described back-moving spring connects a fixed axis, and the middle part of described tripping sheet is provided with fixing pivot pin and sliding axle, described tripping sheet rotates along described fixing pivot pin, when described tripping sheet rotates, it is relative to being provided with the other end snap close of back-moving spring in the below of snap close semiaxis or disengagement snap close semiaxis, described push rod is formed by sheet metal bending and to be installed on locating shaft and to rotate around this axle, and one end of described push rod connects energy storage lever by extension spring, the other end to be resisted against all the time on described sliding axle and it to offer contact-making surface and the groove of circular arc, described energy storage lever connects energy storage transmission mechanism, described spacing bearing pin is arranged at the side of described push rod, limited impression is offered corresponding on push rod.
2. Universal circuit breaker operating mechanism free handle according to claim 1, is characterized in that, described sliding axle is rotatably mounted with outer ring and roll assembly, and one end of described push rod is resisted against on outer ring and roll assembly all the time.
3. Universal circuit breaker operating mechanism free handle according to claim 1 and 2, it is characterized in that, described tripping sheet is provided with two, two tripping chip architectures are identical forms by sheet metal bending for this, and the two ends of described two tripping sheets are all carried out parallel interval by rivet and are fixedly connected as entirety, described back-moving spring is connected on the rivet between described two tripping sheets.
4. Universal circuit breaker operating mechanism free handle according to claim 1, it is characterized in that, the one end described push rod connecting energy storage lever is provided with connecting axle, between the two ends of described connecting axle and the two ends of described energy storage lever, is all connected with extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003990.9A CN104576239A (en) | 2015-01-05 | 2015-01-05 | Free tripping device for operating mechanism of air circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003990.9A CN104576239A (en) | 2015-01-05 | 2015-01-05 | Free tripping device for operating mechanism of air circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104576239A true CN104576239A (en) | 2015-04-29 |
Family
ID=53092045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510003990.9A Pending CN104576239A (en) | 2015-01-05 | 2015-01-05 | Free tripping device for operating mechanism of air circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104576239A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116446A (en) * | 2018-11-14 | 2019-01-01 | 李成代 | A kind of mountain area rainfall test method |
| CN109116447A (en) * | 2018-11-14 | 2019-01-01 | 李成代 | A kind of rainfall tester suitable for remote mountain areas |
| WO2022206902A1 (en) * | 2021-04-01 | 2022-10-06 | 上海正泰智能科技有限公司 | Operating mechanism of circuit breaker and assembling method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5673786A (en) * | 1996-04-04 | 1997-10-07 | General Electric Company | Circuit breaker bell alarm reset mechanism |
| CN1162186A (en) * | 1996-02-06 | 1997-10-15 | 施耐德电器公司 | Circuit-breaker operating mechanism with locking device capable of tripping when short circuit |
| CN101165834A (en) * | 2006-10-17 | 2008-04-23 | Ls产电株式会社 | Air circuit breaker |
| CN101373687A (en) * | 2007-08-20 | 2009-02-25 | Ls产电株式会社 | Circuit breaker having automatic release linkage |
| CN103187212A (en) * | 2011-12-30 | 2013-07-03 | Ls产电株式会社 | Circuit breaker provided with mechanical trip mechanism |
| CN103325632A (en) * | 2013-07-26 | 2013-09-25 | 大全集团有限公司 | Circuit breaker operating mechanism capable of tripping quickly |
| CN204361032U (en) * | 2015-01-05 | 2015-05-27 | 无锡新宏泰电器科技股份有限公司 | Universal circuit breaker operating mechanism free handle |
-
2015
- 2015-01-05 CN CN201510003990.9A patent/CN104576239A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162186A (en) * | 1996-02-06 | 1997-10-15 | 施耐德电器公司 | Circuit-breaker operating mechanism with locking device capable of tripping when short circuit |
| US5673786A (en) * | 1996-04-04 | 1997-10-07 | General Electric Company | Circuit breaker bell alarm reset mechanism |
| CN101165834A (en) * | 2006-10-17 | 2008-04-23 | Ls产电株式会社 | Air circuit breaker |
| CN101373687A (en) * | 2007-08-20 | 2009-02-25 | Ls产电株式会社 | Circuit breaker having automatic release linkage |
| CN103187212A (en) * | 2011-12-30 | 2013-07-03 | Ls产电株式会社 | Circuit breaker provided with mechanical trip mechanism |
| CN103325632A (en) * | 2013-07-26 | 2013-09-25 | 大全集团有限公司 | Circuit breaker operating mechanism capable of tripping quickly |
| CN204361032U (en) * | 2015-01-05 | 2015-05-27 | 无锡新宏泰电器科技股份有限公司 | Universal circuit breaker operating mechanism free handle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116446A (en) * | 2018-11-14 | 2019-01-01 | 李成代 | A kind of mountain area rainfall test method |
| CN109116447A (en) * | 2018-11-14 | 2019-01-01 | 李成代 | A kind of rainfall tester suitable for remote mountain areas |
| WO2022206902A1 (en) * | 2021-04-01 | 2022-10-06 | 上海正泰智能科技有限公司 | Operating mechanism of circuit breaker and assembling method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |
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| RJ01 | Rejection of invention patent application after publication |