CN103022923B - Floor type circuit breaker electric propulsion mechanism - Google Patents

Floor type circuit breaker electric propulsion mechanism Download PDF

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Publication number
CN103022923B
CN103022923B CN201210477088.7A CN201210477088A CN103022923B CN 103022923 B CN103022923 B CN 103022923B CN 201210477088 A CN201210477088 A CN 201210477088A CN 103022923 B CN103022923 B CN 103022923B
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China
Prior art keywords
screw mandrel
circuit breaker
gearcase
clamp
clutch retainer
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CN201210477088.7A
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Chinese (zh)
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CN103022923A (en
Inventor
张超
赵建
朱文鹏
朱启建
万宏
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ANHUI LONGPO ELECTRICAL Co Ltd
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ANHUI LONGPO ELECTRICAL Co Ltd
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Priority to CN201210477088.7A priority Critical patent/CN103022923B/en
Publication of CN103022923A publication Critical patent/CN103022923A/en
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Abstract

The invention discloses a kind of floor type circuit breaker electric propulsion mechanism, comprise the gearcase be fixed on console mode circuit breaker, through gearcase center screw mandrel, to be fixed on quiet car fixed mount and the clutch retainer penetrated for screw mandrel lower end, be provided with the gear nut forming trapezoidal thread with screw mandrel and assemble in gearcase, in gearcase, motor gear engages with gear nut; Clamp is provided with in clutch retainer mouth, clamp center is provided with rotation lockhole, screw mandrel bottom is successively through clutch retainer top, clamp center rotating lockhole, quiet car fixed mount, on the screw mandrel being positioned at clutch retainer, cover is furnished with stop collar, in screw mandrel mounting hole position screw mandrel on be slidably fitted with card nurse, be connected with spring between card nurse top and stop collar, card nurse can snap in clamp center rotating lockhole under the action of the spring.The present invention meets the requirement of modern power network to the miniaturization of switch cubicle, automation, intellectuality, high reliability, is applicable to Automation System of Power Network and unmanned substation.

Description

Floor type circuit breaker electric propulsion mechanism
Technical field
The present invention relates to circuit breaker propulsion plant field, be specially a kind of floor type circuit breaker electric propulsion mechanism.
Background technology
In existing high-tension switch cabinet, console mode circuit breaker advances and releases as hand-rail type, and working costs is required great effort, and especially heavy current breaker own wt is heavier, stroke is longer, needs higher manpower quality, can not meet intelligent power network requirement time mobile.
Summary of the invention
The object of this invention is to provide a kind of floor type circuit breaker electric propulsion mechanism, advance to solve console mode circuit breaker in prior art high-tension switch cabinet the problem releasing effort.
In order to achieve the above object, the technical solution adopted in the present invention is:
Floor type circuit breaker electric propulsion mechanism, comprise the gearcase be fixed on console mode circuit breaker, through the screw mandrel at gearcase center, be fixed on the clutch retainer penetrated on quiet car fixed mount and for screw mandrel lower end in high-tension switch cabinet, it is characterized in that: described screw mandrel has trapezoidal thread, be provided with in described gearcase and be enclosed within screw mandrel and form with screw mandrel the gear nut that trapezoidal thread assembles, also motor gear is rotatablely equipped with in gearcase, described motor gear is driven by the DC permanent magnet motor with worm-gear speed reducer be arranged on gearcase, motor gear engages with gear nut in gearcase,
It is box mouth bottom described clutch retainer, and bottom clutch retainer, in box mouth, be provided with the clamp be fixed on quiet car fixed mount, clamp center is provided with rotation lockhole, after described screw mandrel lower end penetrates clutch retainer from clutch retainer top, clamp center rotating lockhole is passed successively again along clamp central axis direction, quiet car fixed mount, on the screw mandrel being positioned at clutch retainer, be furnished with can the spacing stop collar at clutch retainer top for cover, mounting hole is provided with in screw mandrel below stop collar, the screw mandrel of corresponding mounting hole position is slidably fitted with card nurse, described card nurse is spacing on screw mandrel by the spacer pin through screw mandrel mounting hole, spring is connected with between card nurse top and stop collar, card nurse outer wall has the shape of mating with clamp central through hole, and card nurse can snap in clamp center rotating lockhole under the action of the spring.
Described floor type circuit breaker electric propulsion mechanism, it is characterized in that: also comprise and be fixed on end cap corresponding with clutch retainer position bottom quiet car fixed mount, end cap central is provided with the central through hole holding screw mandrel, and end cap central via bottoms is provided with removable valve.
Described floor type circuit breaker electric propulsion mechanism, is characterized in that: described gear nut is set with thrust bearing, axle sleeve from the inside to the outside successively.
Described floor type circuit breaker electric propulsion mechanism, is characterized in that: described stop collar is fixed on screw mandrel by the spring catch through screw mandrel.
Described floor type circuit breaker electric propulsion mechanism, is characterized in that: the screw mandrel outer wall near clutch retainer top is shaped to land, and the screw mandrel below land is provided with axle sleeve.
Described floor type circuit breaker electric propulsion mechanism, is characterized in that: described gearcase is made up of at the cover plate at box body top with covering box body.
Described floor type circuit breaker electric propulsion mechanism, it is characterized in that: the rotation lockhole at clamp center is by whole round portion and be connected to whole round portion edge rectangular portion and form, card nurse outer wall shape is mated with clamp rotation lock hole shape, quiet car fixed mount has can conveniently by the circular hole of the card nurse other end, and clamp can adopt welding or additive method to be fixed on quiet car fixed mount.
In the present invention, leading screw is relative with supporting nut rotates generation relative displacement, thus promotion circuit breaker moves between test position and service position, realizes contact and the disconnection of fixed contact in breaker connection contact and high-voltage board.Coordinate tele-control system not need people to carry out manual operation at operation scene, electric property is superior, and volume is little, use safety, simple to operate, meet the requirement of modern power network to the miniaturization of switch cubicle, automation, intellectuality, high reliability, be applicable to Automation System of Power Network and unmanned substation.
Accompanying drawing explanation
Fig. 1 is structure positive view of the present invention.
Fig. 2 is clamp of the present invention and card nurse structure vertical view, wherein:
Fig. 2 a is clamp structure vertical view, and Fig. 2 b is card nurse structure vertical view.
Embodiment
As shown in Figure 1 and Figure 2.Floor type circuit breaker electric propulsion mechanism, comprise the gearcase 07 be fixed on console mode circuit breaker, through the screw mandrel 08 at gearcase 07 center, be fixed on the clutch retainer 11 penetrated on quiet car fixed mount 17 and for screw mandrel 08 lower end in high-tension switch cabinet, screw mandrel 08 has trapezoidal thread, be provided with in gearcase 07 and be enclosed within screw mandrel 08 and form with screw mandrel 08 gear nut 03 that trapezoidal thread assembles, motor gear 02 is also rotatablely equipped with in gearcase 07, motor gear 02 is driven by the DC permanent magnet motor 01 with worm-gear speed reducer be arranged on gearcase 07, motor gear 02 engages with gear nut 03 in gearcase 07,
It is box mouth bottom clutch retainer 11, and bottom clutch retainer 11, in box mouth, be provided with the clamp 18 be fixed on quiet car fixed mount 17, clamp 18 center is provided with rotation lockhole, after screw mandrel 08 bottom penetrates clutch retainer 11 from clutch retainer 11 top, clamp 18 center rotating lockhole is passed successively again along clamp 18 central axis direction, quiet car fixed mount 17, on the screw mandrel 08 being positioned at clutch retainer 11, be furnished with can the spacing stop collar 10 at clutch retainer 11 top for cover, mounting hole is provided with in screw mandrel 08 below stop collar 10, the screw mandrel 08 of corresponding mounting hole position is slidably fitted with card nurse 13, card nurse 13 is spacing on screw mandrel 08 by the spacer pin 14 through screw mandrel 08 mounting hole, spring 12 is connected with between card nurse 13 top and stop collar 10, card nurse 13 outer wall has the shape of mating with clamp 18 central through hole, and card nurse 13 can snap in clamp 18 center rotating lockhole under spring 12 acts on.
Also comprise and be fixed on end cap 16 corresponding with clutch retainer 11 position bottom quiet car fixed mount 17, end cap 16 center is provided with the central through hole holding screw mandrel 08, is provided with removable valve 15 bottom end cap 16 central through hole.
Gear nut 03 is set with thrust bearing 05, axle sleeve 04 from the inside to the outside successively.
Stop collar 10 is fixed on screw mandrel by the spring catch 19 through screw mandrel 08.
Screw mandrel 08 outer wall near clutch retainer 11 top is shaped to land, and the screw mandrel 08 below land is provided with axle sleeve 09.
Gearcase 07 is made up of at the cover plate 06 at box body top with covering box body.
The rotation lockhole at clamp 18 center is made up of whole round portion and the rectangular portion being connected to whole round portion edge.Card nurse 13 outer wall shape is mated with clamp 18 rotation lock hole shape, and quiet car fixed mount 17 has can conveniently by the circular hole of card nurse 13 other end, and clamp 18 can adopt welding or additive method to be fixed on quiet car fixed mount 17.
The present invention adopts with the DC permanent magnet motor 01 of worm-gear speed reducer as electric drive, worm-gear speed reducer output shaft drive motor gear 02 is rotated, motor gear 02 engages with gear nut 03 external tooth, gear nut 03 is equipped with thrust bearing 05 and axle sleeve 04, is assemblied between the box body of gearcase 07 and cover plate 06.Gearcase 07 is bolted on console mode circuit breaker.Screw mandrel 08 and gear nut 03 Screw assembly in echelon, screw mandrel bottom is assemblied on clutch retainer 11 by axle sleeve 09, stop collar 10 and spring catch 19.Clutch retainer 11 is assemblied on quiet car fixed mount 17 by screw rod 20.Quiet car fixed mount 17 is fixed in high-tension switch cabinet.When electronic, screw mandrel 08 is blocked motionless by end clutch, realize gear nut 03 by the rotating controlling DC permanent magnet motor 01 to rotate, thus promotion screw mandrel 08(makes gear nut 03) produce axial displacement, realize circuit breaker and advance in switch cubicle and release; When manual, due to the existence of worm-and-wheel gear, oppositely have auto-lock function, motor gear 02 does not turn, and gear nut 03 also can not rotate.Crank to back down in clutch retainer 11 card nurse 13 on screw mandrel 08, can rotary screw rod 08, and mechanism becomes traditional hand-rail type.
In clutch retainer, card nurse 13 is assemblied on leading screw 08 through card nurse 13 and the mounting hole on screw mandrel 08 by spacer pin 14, and card nurse 13 can slide axially along screw mandrel 08, but can not rotate.The rotation lockhole at clamp 18 center is coaxial and be fixed on the quiet car fixed mount of propulsive mechanism with screw mandrel.When electronic, card nurse 13, under spring 12 thrust, is stuck in the rotation lockhole of clamp 18, and screw mandrel is lockable and cannot rotates; Time manual, make card nurse 13 slide into the rotation lockhole departing from clamp 18 by crank, screw mandrel 08 is released, can rotate.

Claims (7)

1. floor type circuit breaker electric propulsion mechanism, comprise the gearcase be fixed on console mode circuit breaker, through the screw mandrel at gearcase center, be fixed on the clutch retainer penetrated on quiet car fixed mount and for screw mandrel lower end in high-tension switch cabinet, it is characterized in that: described screw mandrel has trapezoidal thread, be provided with in described gearcase and be enclosed within screw mandrel and form with screw mandrel the gear nut that trapezoidal thread assembles, also motor gear is rotatablely equipped with in gearcase, described motor gear is driven by the DC permanent magnet motor with worm-gear speed reducer be arranged on gearcase, motor gear engages with gear nut in gearcase,
It is box mouth bottom described clutch retainer, and bottom clutch retainer, in box mouth, be provided with the clamp be fixed on quiet car fixed mount, clamp center is provided with rotation lockhole, after described screw mandrel lower end penetrates clutch retainer from clutch retainer top, clamp center rotating lockhole is passed successively again along clamp central axis direction, quiet car fixed mount, on the screw mandrel being positioned at clutch retainer, be furnished with can the spacing stop collar at clutch retainer top for cover, mounting hole is provided with in screw mandrel below stop collar, the screw mandrel of corresponding mounting hole position is slidably fitted with card nurse, described card nurse is spacing on screw mandrel by the spacer pin through screw mandrel mounting hole, spring is connected with between card nurse top and stop collar, card nurse outer wall has the shape of mating with clamp central through hole, and card nurse can snap in clamp center rotating lockhole under the action of the spring.
2. floor type circuit breaker electric propulsion mechanism according to claim 1, it is characterized in that: also comprise and be fixed on end cap corresponding with clutch retainer position bottom quiet car fixed mount, end cap central is provided with the central through hole holding screw mandrel, and end cap central via bottoms is provided with removable valve.
3. floor type circuit breaker electric propulsion mechanism according to claim 1, is characterized in that: described gear nut is set with thrust bearing, axle sleeve from the inside to the outside successively.
4. floor type circuit breaker electric propulsion mechanism according to claim 1, is characterized in that: described stop collar is fixed on screw mandrel by the spring catch through screw mandrel.
5. floor type circuit breaker electric propulsion mechanism according to claim 1, is characterized in that: the screw mandrel outer wall near clutch retainer top is shaped to land, and the screw mandrel below land is provided with axle sleeve.
6. floor type circuit breaker electric propulsion mechanism according to claim 1, is characterized in that: described gearcase is made up of at the cover plate at box body top with covering box body.
7. floor type circuit breaker electric propulsion mechanism according to claim 1, it is characterized in that: the rotation lockhole at clamp center is by whole round portion and be connected to whole round portion edge rectangular portion and form, card nurse outer wall shape is mated with clamp rotation lock hole shape, quiet car fixed mount has can conveniently by the circular hole of the card nurse other end, and clamp is fixed on quiet car fixed mount by welding manner.
CN201210477088.7A 2012-11-21 2012-11-21 Floor type circuit breaker electric propulsion mechanism Active CN103022923B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210477088.7A CN103022923B (en) 2012-11-21 2012-11-21 Floor type circuit breaker electric propulsion mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210477088.7A CN103022923B (en) 2012-11-21 2012-11-21 Floor type circuit breaker electric propulsion mechanism

Publications (2)

Publication Number Publication Date
CN103022923A CN103022923A (en) 2013-04-03
CN103022923B true CN103022923B (en) 2016-03-30

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CN201210477088.7A Active CN103022923B (en) 2012-11-21 2012-11-21 Floor type circuit breaker electric propulsion mechanism

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106532351B (en) * 2016-11-21 2018-03-27 福建省永春天露农林专业合作社 One kind is used for power equipment power supply plug assembly
CN106998044B (en) * 2016-12-23 2019-01-25 唐山北鑫电气科技有限公司 A kind of electric power drawer cabinet device convenient for extraction
CN106998042B (en) * 2016-12-23 2019-01-11 山东恒东实业集团有限公司 A kind of convenient and fast drawer type electric power cabinet
CN106852042B (en) * 2016-12-23 2019-05-07 乐清市万星输配电设备有限公司 A kind of electric power drawout cubicle that can selectively extract
CN107437761B (en) * 2016-12-31 2019-01-22 遵化市木森家具有限公司 A kind of electric power drawer cabinet equipment convenient for extraction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100505052B1 (en) * 2003-04-24 2005-08-02 엘에스산전 주식회사 Withdrawable devise of main circuit for vacuum circuit breaker
CN202495701U (en) * 2012-02-15 2012-10-17 安徽龙波电气有限公司 Circuit breaker handcart
CN203150986U (en) * 2012-11-21 2013-08-21 安徽龙波电气有限公司 Floor type circuit breaker electric propulsion mechanism

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Inventor after: Zhang Chao

Inventor after: Zhao Jian

Inventor after: Zhu Wenpeng

Inventor after: Zhu Qijian

Inventor after: Wan Hong

Inventor before: Zhang Chao

Inventor before: Zhao Jian

Inventor before: Zhu Wenpeng

Inventor before: Zhu Qijian

Inventor before: Wan Hong

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