CN103681098B - A kind of with isolating the chopper of station and using the switch cubicle of this chopper - Google Patents

A kind of with isolating the chopper of station and using the switch cubicle of this chopper Download PDF

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Publication number
CN103681098B
CN103681098B CN201310622689.7A CN201310622689A CN103681098B CN 103681098 B CN103681098 B CN 103681098B CN 201310622689 A CN201310622689 A CN 201310622689A CN 103681098 B CN103681098 B CN 103681098B
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China
Prior art keywords
isolation
moving contact
arc
chutes
station
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CN201310622689.7A
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CN103681098A (en
Inventor
袁端磊
王海燕
杨芳
朱志豪
闫广超
贾耿峰
赵芳帅
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State Grid Corp of China SGCC
Pinggao Group Co Ltd
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State Grid Corp of China SGCC
Pinggao Group Co Ltd
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Priority to CN201310622689.7A priority Critical patent/CN103681098B/en
Publication of CN103681098A publication Critical patent/CN103681098A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00Switchgear having carriage withdrawable for isolation
    • H02B11/12Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal

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  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The invention discloses a kind of chopper with isolation station and use the switch cubicle of this chopper, this chopper with isolation station includes arc-chutes, arc-chutes have two electrodes, on arc-chutes, linearly guiding movement is equipped with two isolation moving contacts, each rectilinear movement stroke isolating moving contact has connection station and isolation station, two isolation moving contact conductings corresponding to the two of arc-chutes electrodes respectively, each isolation moving contact further respectively have for contacting, with corresponding isolation static contact, the contact portion turned on connecting station.The chopper with isolation station of the present invention has the corresponding isolation moving contact isolating static contact of removable conducting, which adds isolation station, when using in switch cubicle, it can be ensured that disconnects with major loop completely when maintenance, and is absent from potential safety hazard.

Description

A kind of with isolating the chopper of station and using the switch cubicle of this chopper
Technical field
The present invention relates to power transmission and distribution switch cubicle and chopper thereof.
Background technology
Whether current switch cubicle both domestic and external can remove according to chopper and be divided into fixed and withdraw-type, and fixed cabinet exists the problem safeguarded and keep in repair extremely inconvenience due to very difficult dismounting;nullA kind of switch cubicle disclosed in withdraw-type cabinet such as CN203260933U of the prior art,The wallboard that the interior steel plate of its cabinet is made is separated and forms multiple compartment,Generally comprise the bus-bar room at top、The breaker chamber at middle part、The cable vault of bottom,Equipped with handcart type breaker in breaker chamber,Handcart type breaker includes the handcart along the movable guide rail assembled in the horizontal direction and the chopper being fixed on handcart,Chopper includes the arc-chutes erect and the contact of breaker conducted electricity respectively with the two poles of the earth of arc-chutes,The contact of breaker of horizontal expansion is arranged on arc-chutes and vertically and column distribution,Contact of breaker can whip to move back and forth after Herba Plantaginis,When handcart ecto-entad enters in breaker chamber and when moving to working position,Two contact of breaker can respectively with bus-bar room、The static contact grafting in contact box set on the wallboard of cable vault coordinates conduction,And the two static contact is and a bus respectively、One time cable connects.Therefore cut-offfing of a major loop of handcart type breaker of the prior art and switch cubicle is to carry out with the movement of handcart, although withdraw-type cabinet maintains easily and overhauls, but safety coefficient is relatively low, particularly in the switch cubicle of big electric current, there is the hidden danger that security incident and personal injury occur when shaking out handcart.
It addition, chopper inner wire majority is copper bar at present, but owing to the existing arc-chutes being vertically arranged have again horizontal contact of breaker, and cause the galvanic circle route of chopper to arrange irregular, therefore expend a lot of copper product.And cause that cabinet transverse gage is larger in size.
Summary of the invention
It is an object of the invention to provide a kind of chopper with isolation station improving safety.The switch cubicle using this chopper is provided simultaneously.
A kind of Circuit breaker technology scheme with isolation station of the present invention is: a kind of chopper with isolation station, including arc-chutes, arc-chutes have two electrodes, on arc-chutes, linearly guiding movement is equipped with two isolation moving contacts, each rectilinear movement stroke isolating moving contact has connection station and isolation station, two isolation moving contact conductings corresponding to the two of arc-chutes electrodes respectively, each isolation moving contact further respectively have for contacting, with corresponding isolation static contact, the contact portion turned on connecting station.
Described arc-chutes arrange for erectting and have upper electrode and lower electrode, said two isolation moving contact is that guiding movement is assemblied in the upper isolation moving contact bottom arc-chutes top and arc-chutes, lower isolation moving contact along the vertical direction respectively, and upper isolation moving contact, lower isolation moving contact turn on the upper electrode of arc-chutes, lower electrode respectively;Described upper isolation moving contact moves along the vertical direction and descends thereon has top connection station and isolation station on the lower on shift motion, described lower isolation moving contact moves along the vertical direction and descends the connection station and top isolation station that have on shift motion on the lower thereon.
Described upper isolation moving contact top is in arc-chutes over top at connection station, is in below arc-chutes top at isolation station bottom upper isolation moving contact.
Being in arc-chutes bottom part down at connection station bottom described lower isolation moving contact, lower isolation moving contact top is in above bottom arc-chutes at isolation station.
Described arc extinguishing ceiling, bottom are respectively fixed with the lower wire outlet seat of the upper wire outlet seat with upper electrode conducting and lower electrode conducting, the described upper upper and lower guiding movement of isolation moving contact be assemblied in wire outlet seat and with upper wire outlet seat conductive contact, the lower upper and lower guiding movement of isolation moving contact be assemblied in lower wire outlet seat and with lower wire outlet seat conductive contact.
Described chopper includes fixing seat or handcart, described arc-chutes have three-phase and along the longitudinal direction and column distribution be fixed on fixing seat or handcart, described upper and lower isolation moving contact is distributed in the left and right sides of arc-chutes side by side, is provided with mean for the hole that isolation moving contact is passed down through bottom fixing seat or handcart.
The technical scheme of the switch cubicle of the present invention is: a kind of switch cubicle, including cabinet, cabinet is provided with breaker chamber, bus-bar room, cable vault, equipped with chopper in breaker chamber, chopper includes arc-chutes, each arc-chutes have two electrodes, on each arc-chutes, linearly guiding movement is equipped with two isolation moving contacts, each rectilinear movement stroke isolating moving contact has connection station and isolation station, two isolation moving contact conductings corresponding to the two of arc-chutes electrodes respectively, switch cubicle is additionally provided with the upper isolation static contact for turning on the bus of bus-bar room, for the lower isolation static contact with cable vault cable conducting, described two isolation moving contacts on be respectively provided with connect station respectively with on, the contact portion of lower isolation static contact contact conducting.
Described arc-chutes arrange for erectting and have upper electrode and lower electrode, said two isolation moving contact is that guiding movement is assemblied in the upper isolation moving contact bottom arc-chutes top and arc-chutes, lower isolation moving contact along the vertical direction respectively, and upper isolation moving contact, lower isolation moving contact turn on the upper electrode of arc-chutes, lower electrode respectively;Described upper isolation moving contact moves along the vertical direction and descends thereon has top connection station and isolation station on the lower on shift motion, described lower isolation moving contact moves along the vertical direction and descends the connection station and top isolation station that have on shift motion on the lower thereon;The upper and lower of the breaker chamber that described upper and lower isolation static contact is correspondingly arranged in switch cubicle.
Described chopper includes fixing seat or the movable handcart being assemblied in breaker chamber, arc-chutes have three-phase and along the longitudinal direction and column distribution be fixed on fixing seat or handcart, described upper and lower isolation moving contact is distributed in the left and right sides of arc-chutes side by side, is provided with mean for the hole that isolation moving contact is passed down through bottom fixing seat or handcart.
The chopper with isolation station of the present invention has the corresponding isolation moving contact isolating static contact of removable conducting, which adds isolation station, when using in switch cubicle, it can be ensured that disconnects with major loop completely when maintenance, and is absent from potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the chopper of the present invention;
Fig. 2 is the view at another visual angle of chopper in Fig. 1;
The isolation moving contact that Fig. 3 is chopper of the present invention is in the schematic diagram isolating station;
The isolation moving contact that Fig. 4 is chopper of the present invention is in the schematic diagram connecting station;
Fig. 5 is the structural representation of the embodiment of the switch cubicle of the present invention.
Detailed description of the invention
As Figure 1-Figure 4, the embodiment of the chopper of the present invention, it it is a kind of handcart type breaker, including handcart 27, be fixed on handcart 27 three arc-chutes that front and back are set up in parallel 23 erect, arc-chutes 23 have two electrodes up and down cut-off under the driving of corresponding mechanism, and arc quenching chamber structure belongs to routine techniques and repeats no more.Each arc-chutes 23 top and bottom respectively linearly guiding movement be equipped with paired upper isolation moving contact 21, lower isolation moving contact 24, upper isolation moving contact 21, lower isolation moving contact 24 respectively with the upper electrode of arc-chutes 23, lower electrode conducting.
Arc-chutes 23 top is fixed with and the upper wire outlet seat 22 of upper electrode conducting, upper isolation moving contact about 2 guiding movement be assemblied in wire outlet seat 22 and with upper wire outlet seat 22 conductive contact, upper isolation moving contact 21 moves along the vertical direction and descends thereon has top connection station and isolation station on the lower on shift motion, upper isolation moving contact 21 top has contact portion and is in arc-chutes 23 over top at connection station and can isolation static contact grafting corresponding to the bus-bar room being positioned in switch cubicle above chopper turn on, it is in below arc-chutes 23 top at isolation station bottom upper isolation moving contact 21, make isolation moving contact 21 can share a part of height space of switch cubicle with arrangement arranged side by side with arc-chutes 23.
Arc-chutes 23 bottom is fixed with and the lower wire outlet seat 25 of lower electrode conducting, lower isolation moving contact about 24 guiding movement be assemblied in lower wire outlet seat 25 and with lower wire outlet seat 25 conductive contact, lower isolation moving contact 24 moves along the vertical direction and descends the connection station and top isolation station that have on shift motion on the lower thereon, there is bottom lower isolation moving contact 24 contact portion be in arc-chutes 23 bottom part down at connection station and can isolation static contact grafting corresponding to the cable vault being positioned in switch cubicle below chopper turn on, lower isolation moving contact 24 top is in above bottom arc-chutes 23 at isolation station, make lower isolation moving contact 24 can share a part of height space of switch cubicle with arrangement arranged side by side with arc-chutes 23.Upper and lower wire outlet seat 22 and 25 is the tubular being provided with for the spring touch finger of corresponding isolation moving contact conductive contact, and upper and lower wire outlet seat 22 and 25 is fixing with the method for arc-chutes 23 upper and lower side employing bolt and cast respectively to be connected.
Upper and lower isolation moving contact drives in corresponding mechanism and moves up and down, and contacts with upper and lower wire outlet seat all the time in whole motor process.The operating mechanism of the direct acting action that the dynamic/static contact in driving arc-chutes cut-offs (breaker arc extinguishing indoor have the contact that can cut-off, and this belongs to prior art, and its structure repeats no more) and upper and lower isolation moving contact is arranged in mechanism case 26.Fig. 3, Fig. 4 show chopper and are respectively at isolation and schematic diagram during on-state.Upper isolation moving contact 21 and lower isolation moving contact 24 have respective operating mechanism to be driven respectively, and type of drive is longitudinal direct acting.The linear being arranged to be similar to of conductor after connection, as shown in Figure 5.
Upper wire outlet seat 22, arc-chutes part 23 and the equal sealing of lower wire outlet seat 25 are as a whole.The entirety of sealing and mechanism case 26 are fixed on handcart 27.Handcart 27 is different from existing chassis, and due to being longitudinally arranged so that operationally to pass handcart at the conductor isolating moving contact up and down of conductor, therefore handcart 27 is provided with mean for the frame structure in the hole that lower isolation moving contact 24 passes through for bottom.
Shown in Fig. 1-Fig. 5, the embodiment of the switch cubicle of the chopper using above-mentioned chopper embodiment of the present invention, including cabinet 1, cabinet is provided with breaker chamber 2 and is respectively at the bus-bar room 3 of breaker chamber upper and lower, cable vault 4.
Wherein equipped with the chopper as Figure 1-Figure 4 and described in the embodiment of above-mentioned chopper in breaker chamber 2, chopper moves on the track being assemblied in bottom breaker chamber 2 along the fore-and-aft direction of cabinet, three arc-chutes 23 erect are set up in parallel along cabinet fore-and-aft direction, upper and lower wire outlet seat 22,25 on each arc-chutes 23 is distributed in the both sides of arc-chutes 23 at the left and right directions of cabinet, mobile on two wire outlet seats assembles upper and lower isolation moving contact also Relative distribution in the left and right sides of arc-chutes.The front panel of cabinet 1 is provided with the observation window 14 observing isolation moving contact state.
Equipped with the three-phase main bus-bar being arranged in juxtaposition along cabinet fore-and-aft direction in bus-bar room and the upper isolation static contact 32 turned on each bus in bus-bar room 3, each main bus-bar is horizontal-extending in left-right direction, each main bus-bar is " double; two D type " bus, main bus-bar has bolt hole, upper isolation static contact 32 the first half is square-section, is clamped employing bolt by two D type buses and fixes, and upper isolation static contact 32 bottom is downward opening tubular, the axis of pipe is vertical direction, and internally installed have spring touch finger.Equipped with the lower isolation static contact 41 with cable vault cable conducting in cable vault 4, the lower end of lower isolation static contact 41 is coaxially disposed with corresponding lower isolation moving contact 24, and upper and lower isolation static contact is tubular.
Each major loop in this switch cubicle embodiment is mainly made up of main bus-bar, upper isolation static contact 32, upper isolation moving contact 21, upper wire outlet seat 22, arc-chutes 23, lower wire outlet seat 25, lower isolation moving contact 24,41, cable of lower isolation static contact.Three-phase major loop is arranged along cabinet fore-and-aft direction (i.e. the larger-size depth direction of cabinet) horizontal alignment, with common three-phase major loop along compared with cabinet left and right directions (width that namely cabinet is smaller) parallel arrangement, the program can reduce the width of cabinet.
The embodiment work process of above-mentioned switch cubicle is as follows, chopper in an ON state time, upper isolation moving contact about 21 two ends contact with the spring touch finger in upper isolation static contact 32 and upper wire outlet seat 22 respectively, lower isolation moving contact about 24 two ends contact with the spring touch finger in lower isolation static contact 41 and lower wire outlet seat 25 respectively, can control cut-offfing of major loop now by cut-offfing of chopper.When chopper is by on-state to isolation, upper isolation moving contact 21 moves downward, and lower isolation moving contact 24 moves upward, and separates with upper and lower isolation static contact 32,41 respectively, forms isolation fracture.When being in isolated location, upper and lower isolation moving contact still contacts with the spring touch finger in upper and lower wire outlet seat near one end of isolation fracture, unsettled away from isolation fracture one end and with arc-chutes 23 column distribution, thus occupying the space of arc-chutes 23 left and right sides, take full advantage of clear position, such that it is able to reduce the size of cabinet.
In other embodiments of the invention, the main bus-bar of switch cubicle can also adopt other shape bus, such as rectangle, grooved or circular busbar;Chopper can also adopt fixed;All electric-conductors on major loop can also adopt other shape, and when particularly switch cubicle electric current is less, upper and lower isolation moving contact adopts circular appropriate;The mode of bolt or cast can not also be adopted between upper and lower wire outlet seat and arc-chutes to fix, such as weld;The connected modes such as upper and lower isolation moving contact can not also be connected by spring touch finger with upper and lower isolation static contact, is such as connected with, watchband-shaped contactor, blade type contact;The insulation mode of same cabinet can also adopt gas-insulated;Both can be two station disconnecting switchs by chopper and the isolation switch that isolation static contact collectively forms up and down, can also by upper, lower isolation method is through simple amendment, become three station isolation grounding switchs, to be suitable for multi-form switch cubicle, and chopper can also be fixed in breaker chamber fixed, now handcart is replaced with fixing seat the devices such as arc-chutes are fixed on fixing seat, the isolation moving contact of chopper can also change horizontal direction movable type according to actual needs into, realization so directly can be coordinated to connect with the isolation static contact of horizontal expansion of the prior art and isolation, the switch cubicle additionally using chopper not only can realize fixed but also can realize withdraw-type.Under normal circumstances, chopper, without removal, can realize the functions such as the connection of circuit, isolation by the action of chopper and insulating contact;Without dismounting when overhaul of line breaker or when safeguarding, chopper can be removed by framework handcart so that overhaul or safeguard convenient.

Claims (6)

1. the chopper with isolation station, including arc-chutes, arc-chutes have two electrodes, it is characterized in that: on arc-chutes, linearly guiding movement is equipped with two isolation moving contacts, each rectilinear movement stroke isolating moving contact has connection station and isolation station, two isolation moving contact conductings corresponding to the two of arc-chutes electrodes respectively, each isolation moving contact further respectively have for contacting, with corresponding isolation static contact, the contact portion turned on connecting stationDescribed arc-chutes arrange for erectting and have upper electrode and lower electrode, said two isolation moving contact is that guiding movement is assemblied in the upper isolation moving contact bottom arc-chutes top and arc-chutes, lower isolation moving contact along the vertical direction respectively, and upper isolation moving contact, lower isolation moving contact turn on the upper electrode of arc-chutes, lower electrode respectively;Described upper isolation moving contact moves along the vertical direction and descends thereon has top connection station and isolation station on the lower on shift motion, described lower isolation moving contact moves along the vertical direction and descends the connection station and top isolation station that have on shift motion on the lower thereon;Described arc extinguishing ceiling, bottom are respectively fixed with the lower wire outlet seat of the upper wire outlet seat with upper electrode conducting and lower electrode conducting, the described upper upper and lower guiding movement of isolation moving contact be assemblied in wire outlet seat and with upper wire outlet seat conductive contact, the lower upper and lower guiding movement of isolation moving contact be assemblied in lower wire outlet seat and with lower wire outlet seat conductive contact.
2. chopper according to claim 1, it is characterised in that: described upper isolation moving contact top is in arc-chutes over top at connection station, is in below arc-chutes top at isolation station bottom upper isolation moving contact.
3. chopper according to claim 1, it is characterised in that: being in arc-chutes bottom part down at connection station bottom described lower isolation moving contact, lower isolation moving contact top is in above bottom arc-chutes at isolation station.
4. chopper according to claim 1, it is characterized in that: described chopper includes fixing seat or handcart, described arc-chutes have three-phase and along the longitudinal direction and column distribution be fixed on fixing seat or handcart, described upper isolation moving contact, described lower isolation moving contact are distributed in the left and right sides of arc-chutes side by side, and the bottom of fixing seat or handcart is provided with mean for the hole that isolation moving contact is passed down through.
5. a switch cubicle, including cabinet, cabinet is provided with breaker chamber, bus-bar room, cable vault, equipped with chopper in breaker chamber, chopper includes arc-chutes, each arc-chutes have two electrodes, it is characterized in that: on each arc-chutes, linearly guiding movement is equipped with two isolation moving contacts, each rectilinear movement stroke isolating moving contact has connection station and isolation station, two isolation moving contact conductings corresponding to the two of arc-chutes electrodes respectively, switch cubicle is additionally provided with the upper isolation static contact for turning on the bus of bus-bar room, for the lower isolation static contact with cable vault cable conducting, said two isolation moving contact on be respectively provided with connect station respectively with on, the contact portion of lower isolation static contact contact conductingDescribed arc-chutes arrange for erectting and have upper electrode and lower electrode, said two isolation moving contact is that guiding movement is assemblied in the upper isolation moving contact bottom arc-chutes top and arc-chutes, lower isolation moving contact along the vertical direction respectively, and upper isolation moving contact, lower isolation moving contact turn on the upper electrode of arc-chutes, lower electrode respectively;Described upper isolation moving contact moves along the vertical direction and descends thereon has top connection station and isolation station on the lower on shift motion, described lower isolation moving contact moves along the vertical direction and descends the connection station and top isolation station that have on shift motion on the lower thereon;The upper and lower of the breaker chamber that described upper isolation static contact, described lower isolation static contact are correspondingly arranged in switch cubicle;Described arc extinguishing ceiling, bottom are respectively fixed with the lower wire outlet seat of the upper wire outlet seat with upper electrode conducting and lower electrode conducting, the described upper upper and lower guiding movement of isolation moving contact be assemblied in wire outlet seat and with upper wire outlet seat conductive contact, the lower upper and lower guiding movement of isolation moving contact be assemblied in lower wire outlet seat and with lower wire outlet seat conductive contact.
6. switch cubicle according to claim 5, it is characterized in that: described chopper includes fixing seat or the movable handcart being assemblied in breaker chamber, arc-chutes have three-phase and along the longitudinal direction and column distribution be fixed on fixing seat or handcart, described upper isolation moving contact, described lower isolation moving contact are distributed in the left and right sides of arc-chutes side by side, are provided with mean for the hole that isolation moving contact is passed down through bottom fixing seat or handcart.
CN201310622689.7A 2013-11-30 2013-11-30 A kind of with isolating the chopper of station and using the switch cubicle of this chopper Active CN103681098B (en)

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CN201310622689.7A CN103681098B (en) 2013-11-30 2013-11-30 A kind of with isolating the chopper of station and using the switch cubicle of this chopper

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CN103681098B true CN103681098B (en) 2016-07-06

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105633847A (en) * 2016-03-30 2016-06-01 东电电气科技(杭州)股份有限公司 High-voltage enclosed switch cabinet

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CN102593745A (en) * 2012-03-07 2012-07-18 广东顺源通开关有限公司 Sealed compact-type combined electrical apparatus
CN203617212U (en) * 2013-11-30 2014-05-28 国家电网公司 Circuit breaker with isolation station, and switch cabinet using circuit breaker

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Publication number Priority date Publication date Assignee Title
CN1885465A (en) * 2006-06-12 2006-12-27 宁波天安(集团)股份有限公司 Vacuum switch with up and low isolations
CN2924764Y (en) * 2006-07-03 2007-07-18 福建东方电器有限公司 Vacuum circuit breaker with direct-acting isolating switch
CN201199609Y (en) * 2008-01-21 2009-02-25 佛山市华南开关有限公司 Novel AC metal closed switch installation
CN201263052Y (en) * 2008-08-07 2009-06-24 珠海许继电气有限公司 Miniaturisation SF6 insulation vacuum load switch cabinet
DE102010063866B3 (en) * 2010-12-22 2012-04-05 Siemens Aktiengesellschaft Load circuit breaker, has coupling unit including transmission slider, and spring i.e. opened spring, arranged at bolts, where one of bolts of transmission slider is arranged on load-circuit breaker-support
CN102231486A (en) * 2011-06-17 2011-11-02 山东新科特电气有限公司 Handcart type permanent magnet combined breaking device
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