CN104795271B - A kind of moving conductive rod and moved end component, the arc-chutes using the moving conductive rod - Google Patents

A kind of moving conductive rod and moved end component, the arc-chutes using the moving conductive rod Download PDF

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Publication number
CN104795271B
CN104795271B CN201510151041.5A CN201510151041A CN104795271B CN 104795271 B CN104795271 B CN 104795271B CN 201510151041 A CN201510151041 A CN 201510151041A CN 104795271 B CN104795271 B CN 104795271B
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China
Prior art keywords
spin
ended
shell
twisting
oriented
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CN201510151041.5A
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Chinese (zh)
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CN104795271A (en
Inventor
王晓琴
李文艺
李敏
舒小平
杨兰索
孙淑萍
林泓
林一泓
卞志文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd, Pinggao Group Co Ltd, Tianjin Pinggao Intelligent Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510151041.5A priority Critical patent/CN104795271B/en
Publication of CN104795271A publication Critical patent/CN104795271A/en
Application granted granted Critical
Publication of CN104795271B publication Critical patent/CN104795271B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements
    • H01H2033/6667Details concerning lever type driving rod arrangements

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention discloses moved end component, the arc-chutes of a kind of moving conductive rod and the use moving conductive rod.Twisting recess is offered on the outer peripheral face of the guiding shell of column of moving conductive rod, the interior concave bottom surface of the twisting recess is twisting type face, so when carrying out the threaded connection of moving conductive rod and other equipment, spanner can be arranged on the twisting recess of the guiding shell of column, the jaw wall of spanner can with the twisting type face of twisting recess is spin-ended coordinates;In normal use, moving conductive rod coordinates further through the guiding between spin-ended keyway and spin-ended convex tendon, realize moving conductive rod relative to guide sleeve guiding movement along the longitudinal direction, and in moving conductive rod moving process, spin-ended convex tendon can prevent moving conductive rod from being rotated relative to guide sleeve, to play a part of anti-torsion by key drive connection, so that moving conductive rod is assembled simply, using reliable.

Description

A kind of moving conductive rod and moved end component, the arc-chutes using the moving conductive rod
Technical field
The present invention relates to moved end component, the arc-chutes of a kind of moving conductive rod and the use moving conductive rod.
Background technology
At present, bellows is the indispensable element of vacuum interrupter, is only employed after bellows, could be gone out from vacuum Acted outside arc chamber with mechanical force driving moving contact, again the shell of vacuum interrupter can be kept to be fully sealed, so bellows Life-span determines the mechanical life of vacuum interrupter.But because bellows belongs to thin-walled parts(Wall thickness 0.14mm), easily in torsion It is deformed under effect, causes vacuum interrupter to fail, is filled so being provided with anti-turn round on the moving conductive rod installed in bellows Put.The anti-torsion of moving conductive rod mainly has two kinds of forms in crude oil design:A kind of form is milled out on the periphery of moving conductive rod Flat spin-ended type face, and coordinate with corresponding guide sleeve, the steering capability of the guide sleeve of this structure is preferable, spin-ended type face Can as spanner connecting portion, with when pole type vacuum interrupter is installed, by spanner twisting moving conductive rod, and So that moving conductive rod is threadedly coupled with other equipment, but the type face that this spin-ended type face is formed between guide sleeve and moving conductive rod The anti-torsion poor-performing of spin-ended cooperation, pulls open in moving conductive rod and easily occurs what moving conductive rod was slipped in guide sleeve away from during Problem so that bellows is influenceed and is damaged by moving conductive rod rotation;Another form be on moving conductive rod milling for Guide sleeve key transmission coordinate keyway, the drive connection that keyway is formed between moving conductive rod and guide sleeve although anti-torsion performance compared with It is good, but the installation site of spanner will be lacked on whole moving conductive rod, when causing the moving conductive rod to be threadedly coupled with other equipment, spanner It is difficult to which effective apply required twisting torque to moving conductive rod, the threaded connection of moving conductive rod and other equipment is also allowed for Journey wastes time and energy.
The content of the invention
Not only it had been easy to spanner to install but also the good moving conductive rod of anti-torsion performance it is an object of the invention to provide a kind of, while also carrying For a kind of moved end component using the moving conductive rod and the arc-chutes using the moved end component.
In order to realize the above object the technical scheme of moving conductive rod is as follows in the present invention:
Moving conductive rod, including the columned guiding shell of column for the spin-ended front and rear extension being inserted into guide sleeve, are oriented to The spin-ended keyway for extending forwardly into and being oriented in the middle part of shell of column from rear end face, the length of spin-ended keyway are offered on the rear end outer peripheral face of shell of column Degree is also opened up not less than shell of column is oriented to relative to the length for being oriented to stroke that guide sleeve is moved forward and backward on the outer peripheral face for being oriented to shell of column Have a twisting recess that bearing of trend intersects with spin-ended keyway or space is staggered, the interior concave bottom surface of twisting recess be for spanner The twisting type face of the spin-ended cooperation in jaw wall type face.
Twisting recess and spin-ended keyway are overlapped in the projection being oriented on the axis of shell of column, and twisting recess is in the longitudinal direction Width dimensions be not more than the length of spin-ended keyway and the difference of the guiding stroke.
Twisting recess, which is in, is oriented to the rear end of shell of column or at the position of rear end, and spin-ended key is arrived on the front side edge of twisting recess The distance in fore-and-aft direction in the forward position of groove is not less than the guiding stroke.
Twisting recess has two or more and is being oriented on the periphery of shell of column uniformly at intervals, and the twisting type face of each twisting recess is Plane.
The embodiment of moved end component in the present invention:
There is moved end component, including moving conductive rod and the guide sleeve of spin-ended suit thereon, moving conductive rod spin-ended be inserted into lead Offer from rear end and prolong forward on the columned guiding shell of column of front and rear extension into set, the rear end outer peripheral face for being oriented to shell of column The spin-ended keyway being oriented in the middle part of shell of column is extended, the length of spin-ended keyway, which is not less than, is oriented to what shell of column was moved forward and backward relative to guide sleeve The length of stroke is oriented to, is further opened with that bearing of trend intersects with spin-ended keyway or space is staggered pulls on the outer peripheral face for being oriented to shell of column Recess is twisted, the interior concave bottom surface of twisting recess is the twisting type face for the spin-ended cooperation in jaw wall type face with spanner;Guide sleeve Internal face on be convexly equipped with the spin-ended spin-ended convex tendon being inserted into spin-ended keyway, spin-ended convex tendon is led along the longitudinal direction with spin-ended keyway To cooperation.
Twisting recess and spin-ended keyway are overlapped in the projection being oriented on the axis of shell of column, and twisting recess is in the longitudinal direction Width dimensions be not more than the length of spin-ended keyway and the difference of the guiding stroke.
Twisting recess, which is in, is oriented to the rear end of shell of column or at the position of rear end, and spin-ended key is arrived on the front side edge of twisting recess The distance in fore-and-aft direction in the forward position of groove is not less than the guiding stroke.
The technical scheme of arc-chutes is as follows in the present invention:
Arc-chutes, including shell and its moved end component of moved end assembling, moved end component include moving conductive rod and spin-ended thereon The guide sleeve of suit, moving conductive rod has the columned guiding shell of column of the spin-ended front and rear extension being inserted into guide sleeve, is oriented to The spin-ended keyway for extending forwardly into and being oriented in the middle part of shell of column from rear end face, the length of spin-ended keyway are offered on the rear end outer peripheral face of shell of column Degree is also opened up not less than shell of column is oriented to relative to the length for being oriented to stroke that guide sleeve is moved forward and backward on the outer peripheral face for being oriented to shell of column Have a twisting recess that bearing of trend intersects with spin-ended keyway or space is staggered, the interior concave bottom surface of twisting recess be for spanner The twisting type face of the spin-ended cooperation in jaw wall type face;Be convexly equipped with the internal face of guide sleeve it is spin-ended be inserted into spin-ended keyway only Convex tendon is revolved, spin-ended convex tendon is oriented to cooperation along the longitudinal direction with spin-ended keyway.
Twisting recess and spin-ended keyway are overlapped in the projection being oriented on the axis of shell of column, and twisting recess is in the longitudinal direction Width dimensions be not more than the length of spin-ended keyway and the difference of the guiding stroke.
Twisting recess, which is in, is oriented to the rear end of shell of column or at the position of rear end, and spin-ended key is arrived on the front side edge of twisting recess The distance in fore-and-aft direction in the forward position of groove is not less than the guiding stroke.
It is oriented in the present invention on the outer peripheral face of shell of column and offers twisting recess, the interior concave bottom surface of the twisting recess is twisting type Face, so when carrying out the threaded connection of moving conductive rod and other equipment, the twisting that spanner can be arranged on into the guiding shell of column is recessed In portion, the jaw wall of spanner can with the twisting type face of twisting recess is spin-ended coordinates, now can by the handle of moving wrench come Realize the threaded connection of moving conductive rod and other equipment;Normal in use, moving conductive rod is further through spin-ended keyway and spin-ended convex Guiding between muscle coordinates, and realizes moving conductive rod relative to guide sleeve guiding movement, and in moving conductive rod movement along the longitudinal direction During, spin-ended convex tendon can prevent moving conductive rod from being rotated relative to guide sleeve, to play a part of anti-torsion by key drive connection, Therefore the present invention both make use of positive to realize the installation of spanner so that spanner is easily mounted on moving conductive rod, carry out The twisting of moving conductive rod;Prevent moving conductive rod from being rotated relative to guide sleeve using key drive connection again, to improve whole moved end The anti-torsion performance of component, so that moving conductive rod is assembled simply, using reliable.
Further, twisting recess and spin-ended keyway are overlapped in the projection being oriented on the axis of shell of column, and twisting recess exists Width dimensions on fore-and-aft direction are not more than the length of spin-ended keyway and the difference of the guiding stroke.So in spin-ended keyway The guiding movement stroke of moving conductive rod is reserved on length direction so that twisting recess will not be to the internal face and guiding of guide sleeve Identical guiding between the outer peripheral face of shell of column, which coordinates, causes excessive interference, that is, to remove on spin-ended keyway and the projection of twisting recess Outside the part of coincidence, remainder can be slided smoothly for being oriented to before and after spin-ended convex tendon, so as to further increase moving conductive rod Use reliability.
Further, twisting recess, which is in, is oriented to the rear end of shell of column or at the position of rear end, the front side of twisting recess It is not less than the guiding stroke along the distance in fore-and-aft direction in the forward position to spin-ended keyway.So in spin-ended convex tendon in spin-ended key When being oriented to slip before and after in groove, the part beyond the relative movement stroke of spin-ended convex tendon is just reserved in the back segment of spin-ended keyway, Part relative movement of the i.e. spin-ended convex tendon between the front side of spin-ended keyway and the front side of twisting recess so that twisting recess will not The front and rear guiding movement of moving conductive rod is impacted, the use reliability of moving conductive rod is further increased.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the arc-chutes of the present invention;
Fig. 2 is the structural representation of moving conductive rod in Fig. 1;
Fig. 3 is Fig. 2 A-A sectional views;
Fig. 4 is Fig. 2 B-B sectional views;
Fig. 5 is the structural representation of guide sleeve in Fig. 1;
Fig. 6 is Fig. 5 left view;
Fig. 7 is Fig. 6 C-C sectional views.
Embodiment
The embodiment of arc-chutes in the present invention:As shown in Figures 1 to 7, the arc-chutes are a kind of vacuum interrupters, and it includes Shell 1 and its moved end component 3 of interior moved end assembling, the static side component 2 of static side assembling, wherein shell 1 are metallization porcelain shell, moved end Component 3 is main by the moved end cover plate 31 being fixed on the moved end of shell 1 mouthful, the mounting flange 32 being fixed on moved end cover plate 31, only Revolve the guide sleeve 33 being inserted into the endoporus of moved end flange and the spin-ended moving conductive rod 34 being installed in guide sleeve 33 is constituted, it is fixed Flange 32 is directed to 33 vacuum brazings of set and is fixed on moved end cover plate 31.Moving conductive rod 34 is the front and rear body of rod extended, the body of rod Front end is inserted on moving contact component, rear end is taper shank end, stage casing has columned guiding shell of column 341, is oriented to after shell of column 341 End periphery is provided with the spin-ended keyway 342 for being extended forwardly into from rear end face and being oriented to the middle part of shell of column 341, and spin-ended keyway 342 has two And it is symmetricly set on the opposite both sides for being oriented to shell of column 341, the length of spin-ended keyway 342 is not less than being oriented to shell of column 341 relative to leading To the length of the movable guiding stroke of set 33;It is oriented on the periphery of shell of column 341 and is offered at the position of rear end face The twisting recess 343 of two symmetrically arranged straight-through channel-shaped, twisting recess 343 is in the rear side of guide sleeve 33, two twisting recesses 343 intersect vertically arrangement with two spin-ended keyways 342 respectively, so that the spin-ended keyway 342 that each twisting recess 343 is intersected Therefrom separated is that relative to symmetrical two groove segment of spin-ended keyway 342, and the interior concave bottom surface of twisting recess 343 is plane Twisting type face 344, the twisting type face 344 of two twisting recesses 343 is parallel to each other, and twisting recess 343 and spin-ended keyway 342 are being oriented to Projection on the axis of shell of column 341 is overlapped, and the width dimensions a of twisting recess 343 in the longitudinal direction is not more than spin-ended keyway 342 length b and the difference for being oriented to stroke, the front side of twisting recess 343 is along the forward position to spin-ended keyway 342 in fore-and-aft direction Apart from c be not less than the guiding stroke.
The internal face of guide sleeve 33 is the interior cylinder that the guiding being coincide along the longitudinal direction with being oriented to shell of column 341 is slidably matched Face, and the internal face in guide sleeve 33 opposite sides be symmetrically convexly equipped with it is radially spin-ended be inserted into spin-ended keyway 342 it is spin-ended Convex tendon 334, spin-ended convex tendon 334 is oriented to cooperation along the longitudinal direction with spin-ended keyway 342.Offered on the periphery of guide sleeve 33 from rear End face extends close to the flange keyway 331 at the position of front end face, and flange keyway 331 has four and in the circumference of guide sleeve 33 On uniformly at intervals.The stress groove 332 between adjacent two flanges keyway 331, stress groove are offered on the jacket wall of guide sleeve 33 332 be notch be on the rear ring end face of guide sleeve 33, the deep-slotted chip breaker of depression and axis bending around guide sleeve 33 backward, respectively The passage 333 of front and rear insertion is offered on the bottom land of guide groove, the rear end aperture of passage 333 is in after guide sleeve 33 On ring end face, in groove bottom of the front end aperture in guide groove, the aperture of passage 333 is equal with the groove width of guide groove.
342, spin-ended keyway in the present embodiment on conducting rod is oriented to and anti-torsion effect, what the milling on conducting rod was milled out The flat twisting type face 344 of twisting recess 343 is to be arranged on moving conductive rod 34 when vacuum interrupter is installed, for spanner is spin-ended On, so as to prevent the structure of torsion break vacuum interrupter product when product is installed.
In the above-described embodiments, twisting recess intersects vertically with spin-ended keyway, in embodiment, and twisting recess can also be with Spin-ended keyway is intersecting and out of plumb or space are staggered, i.e., twisting recess can also be in and the position at spin-ended keyway interval or be in The front of spin-ended keyway.
In the above-described embodiments, twisting type face be plane, in other embodiments, twisting type face can also be wavy surface, Inner concave etc..
The embodiment of moved end component in the present invention:Moved end group in the structure and above-described embodiment of moved end component in the present embodiment The structure of part is identical, therefore repeats no more.
The embodiment of moving conductive rod in the present invention:Moving conductive in the structure and above-described embodiment of moving conductive rod in the present embodiment The structure of bar is identical, therefore repeats no more.

Claims (7)

1. moving conductive rod, including the columned guiding shell of column for the spin-ended front and rear extension being inserted into guide sleeve, lead The spin-ended keyway for extending forwardly into and being oriented in the middle part of shell of column from rear end face, the length of spin-ended keyway are offered on the rear end outer peripheral face of section Not less than the length for being oriented to the shell of column guiding stroke movable relative to guide sleeve, it is characterised in that be oriented to the periphery of shell of column Be further opened with the twisting recess that bearing of trend intersects with spin-ended keyway on face, the interior concave bottom surface of twisting recess be for spanner The twisting type face of the spin-ended cooperation in jaw wall type face, twisting recess and spin-ended keyway are in the projection weight being oriented on the axis of shell of column Close, and the width dimensions of twisting recess in the longitudinal direction are not more than the length of spin-ended keyway and the difference of the guiding stroke.
2. moving conductive rod according to claim 1, it is characterised in that twisting recess is in the rear end or close for being oriented to shell of column At the position of rear end, the distance in fore-and-aft direction in front side edge to the forward position of spin-ended keyway of twisting recess is oriented to not less than described Stroke.
3. moving conductive rod according to claim 1 or 2, it is characterised in that twisting recess has two or more and in lead On the periphery of section uniformly at intervals, the twisting type face of each twisting recess is plane.
4. moved end component, including moving conductive rod and the guide sleeve of spin-ended suit thereon, moving conductive rod, which has, spin-ended is inserted into guiding Offer from rear end and extend forward on the columned guiding shell of column of front and rear extension in set, the rear end outer peripheral face for being oriented to shell of column To the spin-ended keyway being oriented in the middle part of shell of column, not less than being oriented to, shell of column is movable relative to guide sleeve to lead the length of spin-ended keyway To the length of stroke, it is characterised in that be further opened with bearing of trend and pulling that spin-ended keyway intersects on the outer peripheral face for being oriented to shell of column Recess is twisted, the interior concave bottom surface of twisting recess is the twisting type face for the spin-ended cooperation in jaw wall type face with spanner;Guide sleeve Internal face on be convexly equipped with the spin-ended spin-ended convex tendon being inserted into spin-ended keyway, spin-ended convex tendon is led along the longitudinal direction with spin-ended keyway To cooperation, twisting recess and spin-ended keyway are overlapped in the projection being oriented on the axis of shell of column, and twisting recess is in the longitudinal direction Width dimensions be not more than the length of spin-ended keyway and the difference of the guiding stroke.
5. moved end component according to claim 4, it is characterised in that twisting recess is in the rear end or close for being oriented to shell of column At the position of rear end, the distance in fore-and-aft direction in front side edge to the forward position of spin-ended keyway of twisting recess is oriented to not less than described Stroke.
6. arc-chutes, including shell and its moved end component of moved end assembling, moved end component include moving conductive rod and thereon spin-ended set The guide sleeve of dress, moving conductive rod has the columned guiding shell of column of the spin-ended front and rear extension being inserted into guide sleeve, lead The spin-ended keyway for extending forwardly into and being oriented in the middle part of shell of column from rear end face, the length of spin-ended keyway are offered on the rear end outer peripheral face of section Not less than the length for being oriented to the shell of column guiding stroke movable relative to guide sleeve, it is characterised in that be oriented to the periphery of shell of column Be further opened with the twisting recess that bearing of trend intersects with spin-ended keyway on face, the interior concave bottom surface of twisting recess be for spanner The twisting type face of the spin-ended cooperation in jaw wall type face;Be convexly equipped with the internal face of guide sleeve it is spin-ended be inserted into spin-ended keyway only Convex tendon is revolved, spin-ended convex tendon is oriented to cooperation along the longitudinal direction with spin-ended keyway, and twisting recess and spin-ended keyway are being oriented to the axle of shell of column Projection on line is overlapped, and the width dimensions of twisting recess in the longitudinal direction are not more than the length and the guiding of spin-ended keyway The difference of stroke.
7. arc-chutes according to claim 6, it is characterised in that twisting recess, which is in, is oriented to the rear end of shell of column or after At the position at end, the distance in fore-and-aft direction in front side edge to the forward position of spin-ended keyway of twisting recess is gone not less than described be oriented to Journey.
CN201510151041.5A 2015-04-01 2015-04-01 A kind of moving conductive rod and moved end component, the arc-chutes using the moving conductive rod Active CN104795271B (en)

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CN201510151041.5A CN104795271B (en) 2015-04-01 2015-04-01 A kind of moving conductive rod and moved end component, the arc-chutes using the moving conductive rod

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Application Number Priority Date Filing Date Title
CN201510151041.5A CN104795271B (en) 2015-04-01 2015-04-01 A kind of moving conductive rod and moved end component, the arc-chutes using the moving conductive rod

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CN104795271B true CN104795271B (en) 2017-10-20

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721611C2 (en) * 1997-05-23 2003-08-07 Abb Patent Gmbh vacuum chamber
CN201766019U (en) * 2010-08-20 2011-03-16 东芝白云真空开关管(锦州)有限公司 Corrugated pipe twist prevention structure
CN201985028U (en) * 2011-04-25 2011-09-21 成都旭光电子股份有限公司 Anti-twisting structure of movable end of vacuum arc extinguishing chamber
CN204558344U (en) * 2015-04-01 2015-08-12 天津平高智能电气有限公司 Moving conductive rod and use moved end assembly, the arc control device of this moving conductive rod

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5828119A (en) * 1981-08-13 1983-02-19 株式会社東芝 Vacuum bulb

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721611C2 (en) * 1997-05-23 2003-08-07 Abb Patent Gmbh vacuum chamber
CN201766019U (en) * 2010-08-20 2011-03-16 东芝白云真空开关管(锦州)有限公司 Corrugated pipe twist prevention structure
CN201985028U (en) * 2011-04-25 2011-09-21 成都旭光电子股份有限公司 Anti-twisting structure of movable end of vacuum arc extinguishing chamber
CN204558344U (en) * 2015-04-01 2015-08-12 天津平高智能电气有限公司 Moving conductive rod and use moved end assembly, the arc control device of this moving conductive rod

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Inventor after: Wang Xiaoqin

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