CN103378559B - A kind of locking device for drawout breaker - Google Patents
A kind of locking device for drawout breaker Download PDFInfo
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- CN103378559B CN103378559B CN201210112009.2A CN201210112009A CN103378559B CN 103378559 B CN103378559 B CN 103378559B CN 201210112009 A CN201210112009 A CN 201210112009A CN 103378559 B CN103378559 B CN 103378559B
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- keeper
- cramp
- locking
- screw mandrel
- bracing frame
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Abstract
The invention discloses a kind of locking device for drawout breaker, comprise screw rod transmission parts, locking member and the unlocking feature plugged successively.Screw rod transmission parts comprise: screw mandrel, moving carriage, keeper and fixture；Screw mandrel is arranged on fixture, and this screw mandrel one end is along the circumferential direction provided with some latch recess, and its other end is connected with moving carriage；Keeper is fixed on moving carriage, can move forward and backward with moving carriage.This apparatus structure compact and reasonable, locking are accurately, stable, safety is high, and assemble easy to use.
Description
Technical field
The present invention relates to a kind of drawout breaker disconnect, test, connect three position lockings and unblock, technical problem to be locked, be specifically related to a kind of locking device for drawout breaker.
Background technology
In drawout breaker, generally there are disconnection, the three kinds of states tested, connect, and in order to make chopper can be accurately positioned when being in above three position, to avoid maloperation, the drawout breaker of locking device just occurs, utilize locking device make chopper be often in disconnection, test, any position connected time, it is possible to it is locked, and only just can be with running circuit breaker after unblock.
Summary of the invention
The invention provides a kind of locking device for drawout breaker, this apparatus structure compact and reasonable, locking are accurately, stable, safety is high, and assemble easy to use.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of locking device for drawout breaker, is characterized in, comprises screw rod transmission parts, locking member and the unlocking feature plugged successively；
Described screw rod transmission parts comprise: screw mandrel, moving carriage, keeper and fixture；
Described screw mandrel is arranged on fixture, and this screw mandrel one end is along the circumferential direction provided with some latch recess, and its other end is connected with moving carriage；
Described keeper one end is connected with moving carriage, can move forward and backward with moving carriage；The other end of described keeper is arranged on fixture；
Described locking member comprises: supporter, the snap close piece being set on supporter and the autobrake interlock part being located on supporter.
Described supporter comprises bracing frame and four pillars；
Described bracing frame is U-shaped, is correspondingly provided with a pair rectangular breach respectively at support frame as described above dual-side, and the bottom surface of described bracing frame is provided with and the through hole of keeper mating shapes；
Four described pillars are arranged on the inwall of bracing frame one side.
Described snap close piece comprises: cramp, positioning pillars and back-moving spring；
Described cramp is provided with a snap close face, and described positioning pillars extends internally and is arranged on cramp, and is positioned at the bottom in described snap close face；
On described cramp, the position that arranges with pillar is correspondingly provided with three slip gains, and described cramp is set on wherein three pillars of bracing frame by slip gain correspondence, and is connected on another pillar by back-moving spring, and this cramp can move up and down.
Described keeper passes the through hole of bracing frame and is erected in positioning pillars.
Described autobrake interlock part comprises: autobrake interlock bar and tripping spring；
Described autobrake interlock bar one end is provided with braking boss, and its other end is connected with tripping spring, and bottom surface is provided with second and treats locking face, and is provided with unblock waist hole in the side near tripping spring；
Described autobrake interlock bar is interspersed on a pair rectangular breach；
The latch recess of described braking boss alignment screw mandrel.
Described unlocking feature comprises knob and the torsion spring being stuck on knob；
Described knob one end is provided with eccentric boss；
Described eccentric boss is inserted in the unblock waist hole of autobrake interlock bar.
A kind of locking device for drawout breaker of the present invention compared with prior art has the advantage that
1, the present invention disconnect, test, three kinds of state positions locking of connecting accurately, stable；
2, present configuration is compact, easy to install, and reduces cost.
Accompanying drawing explanation
Fig. 1 is the structure full figure of a kind of locking device for drawout breaker of the present invention；
Fig. 2 is the structural representation of a kind of locking device screw rod transmission parts for drawout breaker of the present invention；
Fig. 3 is the structure chart of a kind of locking device screw rod transmission positioning parts part for drawout breaker of the present invention；
Fig. 4 is the locking member structural representation of a kind of locking device for drawout breaker of the present invention；
Fig. 5 is the structural representation of the supporter of locking member of the present invention；
Fig. 6 is the structural representation of the snap close piece of locking member of the present invention；
Fig. 7 is the autobrake interlock part structural representation of locking member of the present invention；
Fig. 8 is the structural representation of unlocking feature of the present invention；
Fig. 9 is the schematic diagram that the present invention disconnects, tests, connects three position released states；
Figure 10 is that the present invention disconnects, tests, connects three positions and treat the schematic diagram of lock status；
Figure 11 is the schematic diagram that the present invention disconnects, tests, connects three position unbuckled state；
Figure 12 is the schematic diagram that the present invention disconnects, tests, connects three position lock-out states；
Figure 13 is the schematic diagram that the present invention disconnects, tests, connects three position lock-out states.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As it is shown in figure 1, a kind of locking device for drawout breaker, comprise screw rod transmission parts 1, locking member 2 and the unlocking feature 3 plugged successively.
Screw rod transmission parts 1 as described in Figure 2 comprise: screw mandrel 11, moving carriage 12, keeper 13 and fixture 14；Described screw mandrel 11 is arranged on fixture 14, and this screw mandrel 11 one end is along the circumferential direction provided with some latch recess 111, and its other end is connected with moving carriage 12；Described keeper 13 one end is connected with moving carriage 12, can move forward and backward with moving carriage 12；The other end of described keeper 13 is arranged on fixture 14.
As it is shown on figure 3, this keeper 13 bottom surface is the first solution locking face 134, and it is interval with disconnection latch recess 131, test latch recess 132 and connects latch recess 133；Keeper 13 end face is respectively equipped with disconnection locking notch 135, tests locking notch 136 and connect locking notch 137, and described disconnection locking notch 135, test locking notch 136 and the position connecting locking notch 137 is corresponding with the position disconnecting latch recess 131, test latch recess 132 and connection latch recess 133 respectively；This keeper 13 one side is first to treat locking face 138.
As shown in Figure 4, described locking member comprises: supporter 21, the snap close piece 22 being set on supporter 21 and be located in autobrake interlock part 23 on supporter 21；
As shown in Figure 5, described supporter 21 comprises bracing frame 211 and four pillars 212, described bracing frame 211 is U-shaped, a pair rectangular breach 2111 it is correspondingly provided with respectively at support frame as described above 211 dual-side, four described pillars 212 are arranged on the inwall of bracing frame 211 1 side, and the bottom surface of described bracing frame 211 is provided with and the through hole 2112 of keeper 13 mating shapes.
As shown in Figure 6, described snap close piece 22 comprises cramp 221, positioning pillars 222 and back-moving spring 223；Described cramp 221 is provided with a snap close face 2211, and described positioning pillars 222 extends internally and is arranged on cramp 221, and is positioned at the bottom in described snap close face 2211；On described cramp 221, the position that arranges with pillar 212 is correspondingly provided with three slip gains 2212, described cramp 221 is set on wherein three pillars 212 of bracing frame 211 by slip gain 2212 correspondence, and be connected on another pillar 212 by back-moving spring 223, this cramp 221 can move up and down.Described keeper 13 passes the through hole 2112 of bracing frame 211 and is erected in positioning pillars 222.The face that this keeper 13 and cramp 221 phase are leaned on is first to treat locking face 138.
As shown in Figure 7, described autobrake interlock part 23 comprises autobrake interlock bar 231 and tripping spring 232, described autobrake interlock bar 231 one end is provided with braking boss 2311, its other end is connected with tripping spring 232, bottom surface is provided with second and treats locking face 2312, and is provided with unblock waist hole 2313 in the side near tripping spring 232；Described autobrake interlock bar 231 is interspersed on a pair rectangular breach 2111；Described braking boss 2311 is directed at the latch recess 111 of screw mandrel.
As shown in Figure 8, described unlocking feature 3 comprises knob 31 and the torsion spring 32 being stuck on knob, this knob 31 is formed by injection molding by plastics ABS material, and one end is provided with eccentric boss 311, and described eccentric boss 311 is inserted in the unblock waist hole 2313 of autobrake interlock bar 231.
This device duty principle is as follows:
A. transmission: this device is to be rotarily driven moving carriage 12 by the screw mandrel 11 in screw rod transmission parts 1 and keeper 13 moves forward and backward；
B. trip, wait to lock: before and after keeper 13 in moving process, the first solution locking face 134 on keeper 13 acts on the pillar 222 on snap close piece 22, pillar the 222 and the 1st is made to solve locking face laminating, snap close piece 22 moves down, this process is for tripping (see Figure 11), then autobrake interlock bar 231 moves right under the effect of tripping spring 232, on autobrake interlock bar 231 second treats with first on keeper 13, locking face 2312 treats that locking face 138 is fitted, and this process is for waiting to lock (see Figure 10)；
C. locking: during the continuation of keeper 13 is movable, autobrake interlock bar 231 in autobrake interlock part 23 respectively enters the disconnection locking notch 135 on keeper 13, test locking notch 136, connects locking notch 137, under the effect of tripping spring 232, autobrake interlock bar 231 moves right, until braking boss 2311 enters the latch recess 111 on screw mandrel 11, now screw mandrel 11 is braked boss 2311 and blocks, this process for locking (see Figure 12,13)；
D. unlock: disconnect at drawout breaker, test, connect any position that three positions are locked, knob 31 in unlocking feature 3 rotates counterclockwise, eccentric boss 311 on knob 31 acts on the unblock waist hole 2313 of autobrake interlock bar 231, autobrake interlock bar 231 is moved to the left, cramp 221 moves up under the effect of back-moving spring 223, now the snap close face 2211 on cramp 221 clasps second and treats locking face 2312, and this process is for unlocking (see Fig. 9).
Apparatus of the present invention are a kind of when applying for the locking device scene of drawout breaker, and locking device is at open position, and now autobrake interlock bar 231 enters and disconnects locking notch 135, and screw mandrel 11 is locked, and first unlocks and sees Fig. 9 (released state)；Then the screw mandrel 11 that turns clockwise drives moving carriage 12 and keeper 13 to move after making, during enter and trip, treat that lock status is shown in Figure 11 (unbuckled state), Figure 10 (treating lock status)；Then in testing position, now autobrake interlock bar 231 enters test locking notch 136, screw mandrel 11 locked (autobrake interlock bar 231 enters test locking notch 136)；Unlocking, screw mandrel 11 device that turns clockwise entrance is tripped, is treated lock status again；And then at on-position, now autobrake interlock bar 231 enters and connects locking notch 137, and screw mandrel 11 is locked.In turn: first unlock and see Fig. 9 (released state), rotary screw 11 device counterclockwise entrance is tripped, is treated lock status；Then it is locked at testing position screw mandrel 11；Unlocking, rotary screw 11 device counterclockwise entrance is tripped, is treated lock status again；And then be locked at open position screw mandrel 11.
In sum, a kind of locking device for drawout breaker of the present invention, this apparatus structure compact and reasonable, locking are accurately, stable, safety is high, and assemble easy to use.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that the description above is not considered as limitation of the present invention.After those skilled in the art have read foregoing, multiple amendment and replacement for the present invention all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (4)
1. the locking device for drawout breaker, it is characterised in that comprise screw rod transmission parts (1), locking member (2) and the unlocking feature (3) plugged successively；
Described screw rod transmission parts (1) comprise: screw mandrel (11), moving carriage (12), keeper (13) and fixture (14)；
Described screw mandrel (11) is arranged on fixture (14), and this screw mandrel (11) one end is along the circumferential direction provided with some latch recess (111), and its other end is connected with moving carriage (12)；
Described keeper (13) one end is connected with moving carriage (12), can move forward and backward with moving carriage (12)；The other end of described keeper (13) is arranged on fixture (14)；
Described locking member (2) comprises: supporter (21), the snap close piece (22) being set on supporter (21) and the autobrake interlock part (23) being located on supporter (21)；
Described supporter (21) comprises bracing frame (211) and four pillars (212)；
Described bracing frame (211) is U-shaped, is correspondingly provided with a pair rectangular breach (2111) respectively at support frame as described above (211) dual-side, and the bottom surface of described bracing frame (211) is provided with the through hole (2112) with keeper (13) mating shapes；
Four described pillars (212) are arranged on the inwall of bracing frame (211) side；
Described snap close piece (22) comprises: cramp (221), positioning pillars (222) and back-moving spring (223)；
Described cramp (221) is provided with a snap close face (2211), and described positioning pillars (222) extends internally and is arranged on cramp (221), and is positioned at the bottom of described snap close face (2211)；
Upper and pillar (212) the position that arranges of described cramp (221) is correspondingly provided with three slip gains (2212)；
Described cramp (221) is set on wherein three pillars (212) of bracing frame (211) by slip gain (2212) correspondence, and is connected on another pillar (212) by back-moving spring (223), and this cramp (221) can move up and down.
Locking device for drawout breaker the most according to claim 1, it is characterised in that described keeper (13) passes the through hole (2112) of bracing frame (211) and is erected in positioning pillars (222).
Locking device for drawout breaker the most according to claim 2, it is characterised in that described autobrake interlock part (23) comprises: autobrake interlock bar (231) and tripping spring (232)；
Described autobrake interlock bar (231) one end is provided with braking boss (2311), and its other end is connected with tripping spring (232), and bottom surface is provided with treats locking face (2312), and is provided with unblock waist hole (2313) in the side near tripping spring (232)；
Described autobrake interlock bar (231) is interspersed on a pair rectangular breach (2111)；
The latch recess (111) of described braking boss (2311) alignment screw mandrel.
Locking device for drawout breaker the most according to claim 3, it is characterised in that described unlocking feature (3) comprises knob (31) and the torsion spring (32) being stuck on knob；
Described knob (31) one end is provided with eccentric boss (311)；
Described eccentric boss (311) is inserted in the unblock waist hole (2313) of autobrake interlock bar (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112009.2A CN103378559B (en) | 2012-04-17 | 2012-04-17 | A kind of locking device for drawout breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112009.2A CN103378559B (en) | 2012-04-17 | 2012-04-17 | A kind of locking device for drawout breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103378559A CN103378559A (en) | 2013-10-30 |
| CN103378559B true CN103378559B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210112009.2A Active CN103378559B (en) | 2012-04-17 | 2012-04-17 | A kind of locking device for drawout breaker |
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| Country | Link |
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| CN (1) | CN103378559B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202586136U (en) * | 2012-04-17 | 2012-12-05 | 上海精翊电器有限公司 | Safety mechanism used for electrical industry |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0851706A (en) * | 1994-08-08 | 1996-02-20 | Meidensha Corp | Cubicle |
| CN2571037Y (en) * | 2002-09-17 | 2003-09-03 | 常熟开关厂 | Locking apparatus for draw-off type breaker |
| CN101505039B (en) * | 2008-02-05 | 2011-10-26 | 西门子公司 | Position locking apparatus for draw-out type circuit breaker |
| CN101488648B (en) * | 2009-02-06 | 2011-01-05 | 李建民 | Locking apparatus for extraction type circuit breaker |
| CN201797258U (en) * | 2010-04-29 | 2011-04-13 | 上海国际港务(集团)股份有限公司军工路分公司 | Position locking device |
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2012
- 2012-04-17 CN CN201210112009.2A patent/CN103378559B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202586136U (en) * | 2012-04-17 | 2012-12-05 | 上海精翊电器有限公司 | Safety mechanism used for electrical industry |
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| CN103378559A (en) | 2013-10-30 |
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