CN104795271A - Dynamic conducting rod, dynamic end assembly with dynamic conducting rod and arc extinguish chamber - Google Patents
Dynamic conducting rod, dynamic end assembly with dynamic conducting rod and arc extinguish chamber Download PDFInfo
- Publication number
- CN104795271A CN104795271A CN201510151041.5A CN201510151041A CN104795271A CN 104795271 A CN104795271 A CN 104795271A CN 201510151041 A CN201510151041 A CN 201510151041A CN 104795271 A CN104795271 A CN 104795271A
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- CN
- China
- Prior art keywords
- spin
- ended
- column
- twisting
- keyway
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H2033/6667—Details concerning lever type driving rod arrangements
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a dynamic conducting rod, a dynamic end assembly with the dynamic conducting rod and an arc extinguish chamber. Wrenching concave portions are formed in the peripheral surface of a guide column section of the dynamic conducting rod, the inwards concave bottom surfaces of the wrenching concave portions serve as wrenching profiles, and therefore when threaded connection between the dynamic conducting rod and other devices is conducted, a wrench can be installed on the wrenching concave portions of the guide column section, the wall surfaces of a jaw of the wrench can be matched with the wrenching profiles of the wrenching concave portions in a rotation-preventing mode. When the dynamic conducting rod is normally used, the purpose that the dynamic conducting rod conducts guiding movement in the front-and-rear direction relative to a guide sleeve is achieved through guiding matching between rotation-preventing key grooves and rotation-preventing convex ribs, the rotation-preventing concave ribs can prevent the dynamic conducting rod from rotating relative to the guide sleeve in the movement process of the dynamic conducting rod so as to achieve the effect of torsion resistance through key transmission, and therefore the dynamic conducting rod can be easily assembled and reliably used.
Description
Technical field
The present invention relates to a kind of moving conductive rod and use moved end assembly, the arc control device of this moving conductive rod.
Background technology
At present, bellows is the indispensable element of vacuum interrupter, after only have employed bellows, could drive moving contact action from vacuum extinction outdoor mechanical force, the shell of vacuum interrupter can be kept again to seal completely, so the life-span of bellows determines the mechanical endurance of vacuum interrupter.But because bellows belongs to thin-walled parts (wall thickness 0.14mm), easily under the effect of torsion, produce distortion, cause vacuum interrupter to lose efficacy, so the moving conductive rod installed in bellows is provided with anti-twisting equipment.In crude oil design, anti-the turning round of moving conductive rod mainly contains two kinds of forms: a kind of form is on the periphery of moving conductive rod, mill out flat spin-ended profile, and coordinate with corresponding fairlead, the steering capability of the fairlead of this structure is better, spin-ended profile also can as the connecting portion of spanner, with when pole type vacuum interrupter is installed, conducting rod is turned by wrench, and moving conductive rod is threaded with other equipment, but the anti-of the spin-ended cooperation of profile that this spin-ended profile is formed between fairlead and moving conductive rod turns round poor-performing, the problem easily occurring moving conductive rod slippage in fairlead in process is pulled open at moving conductive rod, bellows is damaged by moving conductive rod rotation affects, another kind of form is the keyway that milling coordinates for the transmission of fairlead key on moving conductive rod, prevent turning round better performances although what keyway was formed between moving conductive rod and fairlead is in transmission connection, but whole moving conductive rod will lack the installation site of spanner, when causing moving conductive rod to be threaded with other equipment, spanner is difficult to, effectively to the twisting moment needed for moving conductive rod applying, also just the screwing process of moving conductive rod and other equipment be wasted time and energy.
Summary of the invention
The object of this invention is to provide a kind of spanner of being not only convenient to install, but also anti-ly turn round the good moving conductive rod of performance, additionally provide simultaneously and a kind ofly use the moved end assembly of this moving conductive rod and use the arc control device of this moved end assembly.
In order to realize above object, in the present invention, the technical scheme of moving conductive rod is as follows:
Moving conductive rod, comprise the columned guiding shell of column extended for the spin-ended front and back be inserted in fairlead, guiding shell of column rear end outer peripheral face on offer from rear end face extend to forward guiding shell of column in the middle part of spin-ended keyway, the length of spin-ended keyway is not less than the length of the guiding stroke that guiding shell of column moves forward and backward relative to fairlead, the outer peripheral face of guiding shell of column also offers the twisting recess that bearing of trend or space crossing with spin-ended keyway is staggered, the interior concave bottom surface of twisting recess is for the twisting profile that coordinate spin-ended with the jaw wall profile of spanner.
The projection on the axis of guiding shell of column of twisting recess and spin-ended keyway overlaps, and twisting recess width dimensions is in the longitudinal direction not more than the length of spin-ended keyway and the difference of described guiding stroke.
Twisting recess is in the rear end of guiding shell of column or near the position of rear end, the front side of twisting recess is not less than described guiding stroke along the forward position to spin-ended keyway in the distance of fore-and-aft direction.
Twisting recess has two or more and on the periphery of guiding shell of column uniformly at intervals, the twisting profile of each twisting recess is plane.
The embodiment of moved end assembly in the present invention:
Moved end assembly, comprise the fairlead of moving conductive rod and upper spin-ended suit thereof, moving conductive rod has the columned guiding shell of column that the spin-ended front and back be inserted in fairlead extend, guiding shell of column rear end outer peripheral face on offer from rear end face extend to forward guiding shell of column in the middle part of spin-ended keyway, the length of spin-ended keyway is not less than the length of the guiding stroke that guiding shell of column moves forward and backward relative to fairlead, the outer peripheral face of guiding shell of column also offers the twisting recess that bearing of trend or space crossing with spin-ended keyway is staggered, the interior concave bottom surface of twisting recess is for the twisting profile that coordinate spin-ended with the jaw wall profile of spanner, the internal face of fairlead is convexly equipped with the spin-ended spin-ended convex tendon be inserted in spin-ended keyway, spin-ended convex tendon leads along the longitudinal direction with spin-ended keyway and coordinates.
The projection on the axis of guiding shell of column of twisting recess and spin-ended keyway overlaps, and twisting recess width dimensions is in the longitudinal direction not more than the length of spin-ended keyway and the difference of described guiding stroke.
Twisting recess is in the rear end of guiding shell of column or near the position of rear end, the front side of twisting recess is not less than described guiding stroke along the forward position to spin-ended keyway in the distance of fore-and-aft direction.
In the present invention, the technical scheme of arc control device is as follows:
Arc control device, comprise the moved end assembly of shell and moved end assembling thereof, moved end assembly comprises the fairlead of moving conductive rod and upper spin-ended suit thereof, moving conductive rod has the columned guiding shell of column that the spin-ended front and back be inserted in fairlead extend, guiding shell of column rear end outer peripheral face on offer from rear end face extend to forward guiding shell of column in the middle part of spin-ended keyway, the length of spin-ended keyway is not less than the length of the guiding stroke that guiding shell of column moves forward and backward relative to fairlead, the outer peripheral face of guiding shell of column also offers the twisting recess that bearing of trend or space crossing with spin-ended keyway is staggered, the interior concave bottom surface of twisting recess is for the twisting profile that coordinate spin-ended with the jaw wall profile of spanner, the internal face of fairlead is convexly equipped with the spin-ended spin-ended convex tendon be inserted in spin-ended keyway, spin-ended convex tendon leads along the longitudinal direction with spin-ended keyway and coordinates.
The projection on the axis of guiding shell of column of twisting recess and spin-ended keyway overlaps, and twisting recess width dimensions is in the longitudinal direction not more than the length of spin-ended keyway and the difference of described guiding stroke.
Twisting recess is in the rear end of guiding shell of column or near the position of rear end, the front side of twisting recess is not less than described guiding stroke along the forward position to spin-ended keyway in the distance of fore-and-aft direction.
Lead in the present invention shell of column outer peripheral face on offer twisting recess, the interior concave bottom surface of this twisting recess is twisting profile, like this when carrying out being threaded of moving conductive rod and other equipment, spanner can be arranged on the twisting recess of this guiding shell of column, the jaw wall of spanner can coordinate with the twisting profile of twisting recess is spin-ended, now realizes being threaded of moving conductive rod and other equipment by the handle of moving wrench; When normally using, moving conductive rod is coordinated by the guiding between spin-ended keyway and spin-ended convex tendon again, realize moving conductive rod relative to fairlead guiding movement along the longitudinal direction, and in moving conductive rod moving process, spin-ended convex tendon can stop moving conductive rod to rotate relative to fairlead, and play the anti-effect turned round to be in transmission connection by key, therefore the present invention both make use of positive to realize the installation of spanner, make spanner be easily mounted on moving conductive rod, carry out the twisting of moving conductive rod; Utilize again key to be in transmission connection to prevent moving conductive rod from rotating relative to fairlead, turn round performance to improve the anti-of whole moved end assembly, thus make moving conductive rod assemble simply, use reliably.
Further, the projection on the axis of guiding shell of column of twisting recess and spin-ended keyway overlaps, and twisting recess width dimensions is in the longitudinal direction not more than the length of spin-ended keyway and the difference of described guiding stroke.The guiding movement stroke of moving conductive rod is reserved like this on the length direction of spin-ended keyway, twisting recess can not be coordinated the identical guiding between the internal face of fairlead and the outer peripheral face of guiding shell of column and cause excessive interference, namely make on spin-ended keyway except projecting except the part that overlaps with twisting recess, remainder can slide for guiding before and after spin-ended convex tendon smoothly, thus further increases the dependability of moving conductive rod.
Further, twisting recess is in the rear end of guiding shell of column or near the position of rear end, the front side of twisting recess is not less than described guiding stroke along the forward position to spin-ended keyway in the distance of fore-and-aft direction.When before and after spin-ended convex tendon is in spin-ended keyway, guiding is slided like this, part beyond the relative movement stroke just reserving spin-ended convex tendon at the back segment of spin-ended keyway, the i.e. part relative movement of spin-ended convex tendon between the front side of spin-ended keyway and the front side of twisting recess, twisting recess can not be impacted the front and back guiding movement of moving conductive rod, further increase the dependability of moving conductive rod.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of arc control device of the present invention;
Fig. 2 is the structural representation of moving conductive rod in Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B-B cutaway view of Fig. 2;
Fig. 5 is the structural representation of fairlead in Fig. 1;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the C-C cutaway view of Fig. 6.
Embodiment
The embodiment of arc control device in the present invention: as shown in Figures 1 to 7, these arc control device are a kind of vacuum interrupters, it comprises the moved end assembly 3 of shell 1 and the assembling of interior moved end thereof, the quiet end assembly 2 of quiet end assembling, its housing 1 is metallization porcelain shell, moved end assembly 3 is primarily of the moved end cover plate 31 be fixed on the mouth of shell 1 moved end, be fixed on the mounting flange 32 on moved end cover plate 31, fairlead 33 in the spin-ended endoporus being inserted into moved end flange and the spin-ended moving conductive rod 34 be installed in fairlead 33 are formed, fairlead 33 vacuum brazing is fixed on moved end cover plate 31 by mounting flange 32.The body of rod that moving conductive rod 34 extends for front and back, on the front end plug-in mounting moving contact component of the body of rod, rear end is taper shank end, stage casing has columned guiding shell of column 341, guiding shell of column 341 periphery, rear end be provided with from rear end face extend to forward guiding shell of column 341 in the middle part of spin-ended keyway 342, spin-ended keyway 342 has two and is symmetricly set on the opposing both sides of guiding shell of column 341, and the length of spin-ended keyway 342 is not less than the length of the guiding shell of column 341 guiding stroke movable relative to fairlead 33, the periphery of guiding shell of column 341 offers the twisting recess 343 of two symmetrically arranged straight-through channel-shaped in the position near rear end face, twisting recess 343 is in the rear side of fairlead 33, spin-ended keyway 342 intersects vertically and arranges two twisting recesses 343 with two respectively, with make each twisting recess 343 by the spin-ended keyway 342 that intersects therefrom separated for the two groove sections relative to spin-ended keyway 342 symmetry, and the interior concave bottom surface of twisting recess 343 is plane twisting profile 344, the twisting profile 344 of two twisting recesses 343 is parallel to each other, the projection on the axis of guiding shell of column 341 of twisting recess 343 and spin-ended keyway 342 overlaps, and twisting recess 343 width dimensions a is in the longitudinal direction not more than the length b of spin-ended keyway 342 and the difference of guiding stroke, the front side of twisting recess 343 is not less than described guiding stroke along the forward position to spin-ended keyway 342 at the distance c of fore-and-aft direction.
The internal face of fairlead 33 is the inner cylinder face that the guiding of coincideing along the longitudinal direction with guiding shell of column 341 is slidably matched, and being convexly equipped with the radially spin-ended spin-ended convex tendon 334 be inserted in spin-ended keyway 342 in the opposite sides symmetry of the internal face of fairlead 33, spin-ended convex tendon 334 leads along the longitudinal direction with spin-ended keyway 342 and coordinates.The periphery of fairlead 33 offers and extends to the flange keyway 331 of position near front end face from rear end face, flange keyway 331 has four and in the circumference of fairlead 33 uniformly at intervals.The jacket wall of fairlead 33 offers the stress groove 332 be between adjacent two flange keyways 331, stress groove 332 for notch to be on the rear ring end face of fairlead 33, depression and the deep-slotted chip breaker of axis bending around fairlead 33 backward, air vent hole 333 through before and after the bottom land of each gathering sill all offers, the aperture, rear end of air vent hole 333 is on the rear ring end face of fairlead 33, aperture, front end is in the groove bottom of gathering sill, and the aperture of air vent hole 333 is equal with the groove width of gathering sill.
342, spin-ended keyway in the present embodiment on conducting rod guiding and anti-torsion effect, the flat twisting profile 344 of the twisting recess 343 that the milling on conducting rod mills out is arranged on moving conductive rod 34 when vacuum interrupter is installed, for spanner is spin-ended, thus the structure of torsion break vacuum interrupter product when preventing product from installing.
In the above-described embodiments, twisting recess and spin-ended keyway intersect vertically, in an embodiment, twisting recess also can be crossing with spin-ended keyway and out of plumb or space are staggered, namely twisting recess also can be in and spin-ended keyway interval position or be in the front of spin-ended keyway.
In the above-described embodiments, twisting profile is plane, and in other embodiments, twisting profile also can be wavy surface, inner concave etc.
The embodiment of moved end assembly in the present invention: in the present embodiment, the structure of moved end assembly is identical with the structure of moved end assembly in above-described embodiment, therefore repeats no more.
The embodiment of moving conductive rod in the present invention: in the present embodiment, the structure of moving conductive rod is identical with the structure of moving conductive rod in above-described embodiment, therefore repeats no more.
Claims (10)
1. moving conductive rod, comprise the columned guiding shell of column extended for the spin-ended front and back be inserted in fairlead, guiding shell of column rear end outer peripheral face on offer from rear end face extend to forward guiding shell of column in the middle part of spin-ended keyway, the length of spin-ended keyway is not less than the length of the guiding stroke that guiding shell of column moves forward and backward relative to fairlead, it is characterized in that, the outer peripheral face of guiding shell of column also offers the twisting recess that bearing of trend or space crossing with spin-ended keyway is staggered, the interior concave bottom surface of twisting recess is for the twisting profile that coordinate spin-ended with the jaw wall profile of spanner.
2. moving conductive rod according to claim 1, it is characterized in that, the projection on the axis of guiding shell of column of twisting recess and spin-ended keyway overlaps, and twisting recess width dimensions is in the longitudinal direction not more than the length of spin-ended keyway and the difference of described guiding stroke.
3. moving conductive rod according to claim 2, is characterized in that, twisting recess is in the rear end of guiding shell of column or near the position of rear end, the front side of twisting recess is not less than described guiding stroke along the forward position to spin-ended keyway in the distance of fore-and-aft direction.
4. the moving conductive rod according to claim 1 or 2 or 3, is characterized in that, twisting recess has two or more and on the periphery of guiding shell of column uniformly at intervals, the twisting profile of each twisting recess is plane.
5. moved end assembly, comprise the fairlead of moving conductive rod and upper spin-ended suit thereof, moving conductive rod has the columned guiding shell of column that the spin-ended front and back be inserted in fairlead extend, guiding shell of column rear end outer peripheral face on offer from rear end face extend to forward guiding shell of column in the middle part of spin-ended keyway, the length of spin-ended keyway is not less than the length of the guiding stroke that guiding shell of column moves forward and backward relative to fairlead, it is characterized in that, the outer peripheral face of guiding shell of column also offers the twisting recess that bearing of trend or space crossing with spin-ended keyway is staggered, the interior concave bottom surface of twisting recess is for the twisting profile that coordinate spin-ended with the jaw wall profile of spanner, the internal face of fairlead is convexly equipped with the spin-ended spin-ended convex tendon be inserted in spin-ended keyway, spin-ended convex tendon leads along the longitudinal direction with spin-ended keyway and coordinates.
6. moved end according to claim 5 assembly, it is characterized in that, the projection on the axis of guiding shell of column of twisting recess and spin-ended keyway overlaps, and twisting recess width dimensions is in the longitudinal direction not more than the length of spin-ended keyway and the difference of described guiding stroke.
7. moved end according to claim 6 assembly, is characterized in that, twisting recess is in the rear end of guiding shell of column or near the position of rear end, the front side of twisting recess is not less than described guiding stroke along the forward position to spin-ended keyway in the distance of fore-and-aft direction.
8. arc control device, comprise the moved end assembly of shell and moved end assembling thereof, moved end assembly comprises the fairlead of moving conductive rod and upper spin-ended suit thereof, moving conductive rod has the columned guiding shell of column that the spin-ended front and back be inserted in fairlead extend, guiding shell of column rear end outer peripheral face on offer from rear end face extend to forward guiding shell of column in the middle part of spin-ended keyway, the length of spin-ended keyway is not less than the length of the guiding stroke that guiding shell of column moves forward and backward relative to fairlead, it is characterized in that, the outer peripheral face of guiding shell of column also offers the twisting recess that bearing of trend or space crossing with spin-ended keyway is staggered, the interior concave bottom surface of twisting recess is for the twisting profile that coordinate spin-ended with the jaw wall profile of spanner, the internal face of fairlead is convexly equipped with the spin-ended spin-ended convex tendon be inserted in spin-ended keyway, spin-ended convex tendon leads along the longitudinal direction with spin-ended keyway and coordinates.
9. arc control device according to claim 8, it is characterized in that, the projection on the axis of guiding shell of column of twisting recess and spin-ended keyway overlaps, and twisting recess width dimensions is in the longitudinal direction not more than the length of spin-ended keyway and the difference of described guiding stroke.
10. arc control device according to claim 9, is characterized in that, twisting recess is in the rear end of guiding shell of column or near the position of rear end, the front side of twisting recess is not less than described guiding stroke along the forward position to spin-ended keyway in the distance of fore-and-aft direction.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104795271A true CN104795271A (en) | 2015-07-22 |
| CN104795271B CN104795271B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510151041.5A Active 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104795271B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828119A (en) * | 1981-08-13 | 1983-02-19 | 株式会社東芝 | Vacuum bulb |
| 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 |
-
2015
- 2015-04-01 CN CN201510151041.5A patent/CN104795271B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828119A (en) * | 1981-08-13 | 1983-02-19 | 株式会社東芝 | Vacuum bulb |
| 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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| Publication number | Publication date |
|---|---|
| CN104795271B (en) | 2017-10-20 |
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| C06 | Publication | ||
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| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Xiaoqin Inventor after: Li Wenyi Inventor after: Li Min Inventor after: Shu Xiaoping Inventor after: Yang Lansuo Inventor after: Sun Shuping Inventor after: Lin Yihong Inventor after: Bian Zhiwen Inventor before: Wang Xiaoqin Inventor before: Li Wenyi Inventor before: Li Min Inventor before: Shu Xiaoping Inventor before: Yang Lansuo Inventor before: Sun Shuping |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151230 Address after: 300304 Tianjin District of Dongli City Huaming Road No. 20 North venture building A2 block 5 Applicant after: TIANJIN GAOPING INTELLIGENT ELECTRICAL CO., LTD. Applicant after: Pinggao Group Co., Ltd. Applicant after: State Grid Corporation of China Applicant after: Electric Power Research Institute, State Grid Fujian Electric Power Co., Ltd. Address before: 300304 Tianjin District of Dongli City Huaming Road No. 20 North venture building A2 block 5 Applicant before: TIANJIN GAOPING INTELLIGENT ELECTRICAL CO., LTD. |
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