CN102592898A - Operating mechanism for automatic reclosing circuit-breaker - Google Patents
Operating mechanism for automatic reclosing circuit-breaker Download PDFInfo
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- CN102592898A CN102592898A CN2012100519029A CN201210051902A CN102592898A CN 102592898 A CN102592898 A CN 102592898A CN 2012100519029 A CN2012100519029 A CN 2012100519029A CN 201210051902 A CN201210051902 A CN 201210051902A CN 102592898 A CN102592898 A CN 102592898A
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- pusher dog
- slide
- mount pad
- connecting rod
- fixed
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Abstract
The invention discloses an operating mechanism for an automatic reclosing circuit-breaker, which is used together with a closing handle and comprises an installation seat. The operating mechanism is characterized by also comprising a sliding pusher dog mechanism, a connecting rod mechanism and a cam, wherein the sliding pusher dog mechanism is arranged on the installation seat, and the cam is driven to rotate by a motor; the sliding pusher dog mechanism comprises a guide rod, a slide seat and a pusher dog, wherein the slide seat is arranged on the guide rod in a sliding way, and the pusher dog is fixed on the slide seat; and the closing handle is propped in a notch on the pusher dog, and the cam is connected with the slide seat by the connecting rod mechanism to drive the pusher dog to move back and forth along the guide rod, so that the closing handle is driven to open and close. The operating mechanism for the automatic reclosing circuit-breaker has the advantages of compact structure, small size, flexible and reliable operation and is especially suitable for plastic-shell automatic reclosing lock circuit breakers with smaller sizes.
Description
Technical field
the present invention relates to a kind of autoreclose breaker operating mechanism.
Background technology
are present; Along with the development of low-voltage electrical apparatus and popularizing of upgrade of rural power grids; Intelligent electricity protection switch (autoreclose breaker) is to break through traditional safety utilization of electric power protective device; Adopt the principle of mechanical automation, the intelligent safety utilization of electric power product of succeeding in developing in conjunction with the hyundai electronics control technology of high-tech of new generation; This product possesses online measuring ability and overload, short circuit, overvoltage, under-voltage, creepage protection function, and the product collection person gets an electric shock and equipment earth leakage protective and unattended operation automatic reclosing are one, has realized the general protection of digital safety electricity consumption.
existing autoreclose breaker is usually all by contact mechanism; The switch lever of moving contact is formed with operating mechanism three parts that drive the switch lever action in the connection contact mechanism; Operating mechanism wherein often adopts gear drive, complex structure, and volume is too fat to move; Not only make and assemble loaded down with trivial details, and for this operating mechanism the installation in cabinet is installed has also produced great limitation.Often the size that cabinet is installed there is certain limitation, the client who selects this automatic reclosing short circuit for use is brought certain puzzlement.
Summary of the invention
the present invention seeks to: a kind of compact conformation, advantages of small volume are provided, and the reliable autoreclose breaker operating mechanism of flexible operation, it is particularly useful for smaller and more exquisite the moulding on the shell autoreclose breaker of volume ratio.
technical scheme of the present invention is: a kind of autoreclose breaker operating mechanism; Be used with switch lever; It comprises mount pad; It is characterized in that also comprising the slip pusher dog mechanism that is located on the mount pad, linkage and the cam through the motor-driven rotation, said slip pusher dog mechanism comprises guide rod, is slidedly arranged on the slide on the guide rod and is fixed on the pusher dog on the slide that said switch lever supports in the recess on the pusher dog; Said cam connects slide by linkage and moves back and forth along guide rod to drive pusher dog, drives the switch lever divide-shut brake.
Preferred linkage structure is following among
the present invention: said linkage is made up of first connecting rod, second connecting rod and third connecting rod; Said first connecting rod one end articulates through the protuberance of first pivot and cam; The other end is articulated on the second connecting rod through second pivot; Said second connecting rod one end is articulated on the mount pad through the 3rd pivot, and the other end and third connecting rod one end articulate through the 4th pivot, and the third connecting rod other end articulates through Wushu axle and slide.
are further, and preferred said second pivot is between the 3rd pivot and the 4th pivot in the aforementioned link mechanism.
certainly the linkage among the present invention are not limited to above-mentioned preferred construction form, transmit that the cam moment of torsion is given slide, the linkage that changes the torsion of cam rotation into slide slippage power all meets the requirements so long as can play.
Slip pusher dog mechanism described in
the present invention comprises further that also two of being fixed on the mount pad are leader fixed; The quantity of said guide rod is two; All be fixed on two leader fixed between; Said slide is provided with the perforation of corresponding two guide rods, and is sheathed on two guide rods by perforation.
further, pusher dog described in the present invention preferably is made up of the substrate and two projections of fixed interval on substrate that are fixed on the slide, said switch lever supports and is located between two projections.
are certain, and pusher dog described in the present invention also can be the pawl type spare that has recess that integrally casting forms.
are further, and motor described in the present invention and slip pusher dog mechanism are located at the mount pad one side, and cam and linkage are located at the mount pad another side, and have the movable slotted hole of Wushu axle that supplies on the slide on the said mount pad.
further, motor described in the present invention is fixed on the mount pad, is fixed with connecting axle on the machine shaft, said connecting axle passes the axis hole stationary cam of offering on the mount pad.
When the present invention specifically assembled in autoreclose breaker, said guide rod was vertical layout, and the concrete course of work is described below:
are when motor is rotated counterclockwise; Motor drives cam through connecting axle and is rotated counterclockwise; It is movable downwards along guide rod that corresponding cam drives slide by linkage, makes that the pusher dog on the slide is stirred switch lever downwards, accomplishes the separating brake of circuit breaker.
are opposite; When motor turned clockwise, motor drove cam through connecting axle and turns clockwise, and it is upwards movable along guide rod that corresponding cam drives slide by linkage; Make the pusher dog on the slide upwards stir switch lever, accomplish the combined floodgate of circuit breaker.
Advantage of the present invention is:
the present invention compares conventional operating mechanism, and its structure is compact more, volume is smaller and more exquisite, and flexible operation is reliable, is particularly useful for smaller and more exquisite the moulding on the shell autoreclose breaker of volume ratio.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is a front view of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the running sketch map of linkage and slide (dotted line is represented linkage and the slide location status at the breaker open operation state among the figure);
Fig. 4 is the running sketch map of linkage and slide (dotted line is represented linkage and the slide location status at the breaker closing state among the figure);
Fig. 5 is the present invention and switch lever assembling sketch map.
wherein: 1, mount pad; 1a, slotted hole; 2, motor; 3, cam; 4, guide rod; 5, slide; 6, pusher dog; 6a, substrate; 6b, projection; 7, first connecting rod; 8, second connecting rod; 9, third connecting rod; 10, first pivot; 11, second pivot; 12, the 3rd pivot; 13, the 4th pivot; 14, Wushu axle; 15, leader fixed; 16, connecting axle.A, switch lever; B, slip pusher dog mechanism; C, linkage.
Embodiment
embodiment: combine Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5; This autoreclose breaker operating mechanism provided by the invention; A is used with switch lever, and it is by mount pad 1, is located at the slip pusher dog B of mechanism on the mount pad 1, linkage C and forms jointly through the cam 3 of motor 2 driven in rotation; Wherein said motor 2 is located at mount pad 1 one side with the slip pusher dog B of mechanism, and cam 3 is located at mount pad 1 another side with linkage C.
The slip pusher dog B of mechanism is by two leader fixed 15 described in
present embodiment; Two guide rods 4 (seeing Fig. 3, Fig. 4) and slide 5 are formed with pusher dog 6 jointly; Said two leader fixed 15 are passed through screw on mount pad 1; Said two guide rods 4 all are fixed between two leader fixed 15, and said slide 5 is provided with the perforation of corresponding two guide rods 4, and are sheathed on two guide rods 4 by perforation.Said pusher dog 6 is made up of the substrate 6a and two projection 6b of fixed interval on substrate 6a that are fixed on the slide 5, and said switch lever A supports and is located between two projection 6b.
Linkage C is made up of first connecting rod 7, second connecting rod 8 and third connecting rod 9 described in
present embodiment; Said first connecting rod 7 one ends articulate through the protuberance of first pivot 10 with cam 3; The other end is articulated on the second connecting rod 8 through second pivot 11; Said second connecting rod 8 one ends are articulated on the mount pad 1 through the 3rd pivot 12, and the other end and third connecting rod 9 one ends articulate through the 4th pivot 13, and third connecting rod 9 other ends articulate through Wushu axle 14 and slide 5.Have the slotted hole 1a of Wushu axle 14 activities that supply on the slide 5 on the said mount pad 1.And second pivot 11 described in the present embodiment is between the 3rd pivot 12 and the 4th pivot 13.
When the present invention specifically assembled in autoreclose breaker, said guide rod 4 was vertical layout, and the concrete course of work is described below:
specifically combine Fig. 3, shown in Figure 5; When motor 2 is rotated counterclockwise; Motor 2 drives cam 3 through connecting axle 16 and is rotated counterclockwise; It is movable downwards along guide rod 4 that corresponding cam 3 drives slide 5 by linkage C, makes that the pusher dog 6 on the slide 5 is stirred switch lever A downwards, accomplishes the separating brake of circuit breaker.
are opposite; Like Fig. 4, shown in Figure 5; When motor 2 turned clockwise, motor 2 drove cam 3 through connecting axle 16 and turns clockwise, and it is upwards movable along guide rod 4 that corresponding cam 3 drives slide 5 by linkage C; Make the pusher dog 6 on the slide 5 upwards stir switch lever A, accomplish the combined floodgate of circuit breaker.
the foregoing description certainly only are explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All modifications that the spirit of main technical schemes is done according to the present invention all should be encompassed within protection scope of the present invention.
Claims (7)
1. autoreclose breaker operating mechanism; Same switch lever (A) is used; It comprises mount pad (1); It is characterized in that also comprising slip pusher dog mechanism (B), linkage of being located on the mount pad (1) (C) and the cam (3) that passes through motor (2) driven in rotation; Said slip pusher dog mechanism (B) comprises guide rod (4), is slidedly arranged on the slide (5) on the guide rod (4) and is fixed on the pusher dog (6) on the slide (5); Said switch lever (A) supports in the recess on the pusher dog (6), and said cam (3) connects slide (5) by linkage (C) and moves back and forth along guide rod (4) to drive pusher dog (6), drives switch lever (A) divide-shut brake.
2. autoreclose breaker operating mechanism according to claim 1; It is characterized in that said linkage (C) is made up of first connecting rod (7), second connecting rod (8) and third connecting rod (9); Said first connecting rod (7) one ends articulate through the protuberance of first pivot (10) with cam (3); The other end is articulated on the second connecting rod (8) through second pivot (11); Said second connecting rod (8) one ends are articulated on the mount pad (1) through the 3rd pivot (12), and the other end and third connecting rod (9) one ends articulate through the 4th pivot (13), and third connecting rod (9) other end articulates through Wushu axle (14) and slide (5).
3. autoreclose breaker operating mechanism according to claim 2 is characterized in that said second pivot (11) is positioned between the 3rd pivot (12) and the 4th pivot (13).
4. autoreclose breaker operating mechanism according to claim 1; It is characterized in that said slip pusher dog mechanism (B) also comprises two leader fixed (15) that are fixed on the mount pad (1); The quantity of said guide rod (4) is two; All be fixed between two leader fixed (15), said slide (5) is provided with the perforation of corresponding two guide rods (4), and is sheathed on two guide rods (4) by perforation.
5. according to claim 1 or 4 described autoreclose breaker operating mechanisms; It is characterized in that said pusher dog (6) is made up of the substrate (6a) and two projections (6b) of fixed interval on substrate (6a) that are fixed on the slide (5), said switch lever (A) supports and is located between two projections (6b).
6. according to claim 2 or 3 described autoreclose breaker operating mechanisms; It is characterized in that said motor (2) and slip pusher dog mechanism (B) are located at mount pad (1) simultaneously; And cam (3) and linkage (C) are located at mount pad (1) another side, and have the movable slotted hole (1a) of Wushu axle (14) that supplies on the slide (5) on the said mount pad (1).
7. autoreclose breaker operating mechanism according to claim 6; It is characterized in that said motor (2) is fixed on the mount pad (1); Be fixed with connecting axle (16) on the machine shaft, said connecting axle (16) passes the axis hole stationary cam of offering on the mount pad (1) (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100519029A CN102592898A (en) | 2012-03-01 | 2012-03-01 | Operating mechanism for automatic reclosing circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100519029A CN102592898A (en) | 2012-03-01 | 2012-03-01 | Operating mechanism for automatic reclosing circuit-breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102592898A true CN102592898A (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100519029A Pending CN102592898A (en) | 2012-03-01 | 2012-03-01 | Operating mechanism for automatic reclosing circuit-breaker |
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| Country | Link |
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| CN (1) | CN102592898A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280383A (en) * | 2013-06-03 | 2013-09-04 | 江苏辉能电气有限公司 | Reclosing mechanism of residual-current circuit breaker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0296631A2 (en) * | 1987-06-25 | 1988-12-28 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for electrically operating a circit breaker |
| CN2376673Y (en) * | 1999-06-22 | 2000-05-03 | 顾方明 | Electric operation mechanism for breaker |
| CN2376672Y (en) * | 1999-06-22 | 2000-05-03 | 顾方明 | Electric operation mechanism for breaker with plastics casing |
| CN201142306Y (en) * | 2008-01-04 | 2008-10-29 | 方云祥 | Sliding block component in cam driving gear of double-power supply automatic transfer switch |
| CN201514865U (en) * | 2009-05-31 | 2010-06-23 | 麦莳濠 | Electric-controlled closing operation mechanism for small-sized breaker |
| CN202454507U (en) * | 2012-03-01 | 2012-09-26 | 法泰电器（江苏）股份有限公司 | Operation mechanism for automatic reclosing circuit breaker |
-
2012
- 2012-03-01 CN CN2012100519029A patent/CN102592898A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0296631A2 (en) * | 1987-06-25 | 1988-12-28 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for electrically operating a circit breaker |
| CN2376673Y (en) * | 1999-06-22 | 2000-05-03 | 顾方明 | Electric operation mechanism for breaker |
| CN2376672Y (en) * | 1999-06-22 | 2000-05-03 | 顾方明 | Electric operation mechanism for breaker with plastics casing |
| CN201142306Y (en) * | 2008-01-04 | 2008-10-29 | 方云祥 | Sliding block component in cam driving gear of double-power supply automatic transfer switch |
| CN201514865U (en) * | 2009-05-31 | 2010-06-23 | 麦莳濠 | Electric-controlled closing operation mechanism for small-sized breaker |
| CN202454507U (en) * | 2012-03-01 | 2012-09-26 | 法泰电器（江苏）股份有限公司 | Operation mechanism for automatic reclosing circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280383A (en) * | 2013-06-03 | 2013-09-04 | 江苏辉能电气有限公司 | Reclosing mechanism of residual-current circuit breaker |
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Application publication date: 20120718 |