CN106992091A - The attachment structure of pole and insulated tension pole - Google Patents
The attachment structure of pole and insulated tension pole Download PDFInfo
- Publication number
- CN106992091A CN106992091A CN201710398041.4A CN201710398041A CN106992091A CN 106992091 A CN106992091 A CN 106992091A CN 201710398041 A CN201710398041 A CN 201710398041A CN 106992091 A CN106992091 A CN 106992091A
- Authority
- CN
- China
- Prior art keywords
- pole
- insulated tension
- bearing pin
- tension pole
- conductive rod
- Prior art date
- Legal status (The legal status 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 status listed.)
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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
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- 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
Landscapes
- Electric Cable Installation (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention relates to the attachment structure of the assembling of a kind of pole and insulated tension pole, more particularly to pole and insulated tension pole, to solve the connection problem of pole and insulated tension pole.The attachment structure of pole and insulated tension pole includes pole and insulated tension pole, the pole includes pole housing and moving conductive rod, the moving conductive rod is by while the bearing pin being located on both is connected with insulated tension pole, the side wall of the pole housing of the pole is provided with the bearing pin installing port that supply and marketing axle passes through, and the bearing pin installing port and the position of bearing pin are radially corresponding along pole.During assembling, directly bearing pin can be passed through by the bearing pin installing port on pole housing when connection moving conductive rod and insulated tension pole, realize the axial direction transmission of moving conductive rod and insulated tension pole, compared with using threaded connection in the prior art, moment of torsion need not be applied to insulated tension pole, insulated tension pole will not be caused to damage, and it is easy to operate, be conducive to improving operating efficiency.
Description
Technical field
The present invention relates to the connection knot of the assembling of pole and insulated tension pole, more particularly to pole and insulated tension pole
Structure.
Background technology
With the development that deepens continuously of power industry, middle pressure transmission ＆ distribution electrical domain HVAC vacuum circuit breaker main conductive circuit
The sealing technique of pole is gradually ripe, and the sealing structure of 40.5kV voltage class has also obtained extensive promotion and application.It is existing
Pole as shown in figure 1, including 1 pole housing, upper wire outlet seat 2, vacuum interrupter 3 and lower wire outlet seat 4, upper wire outlet seat 2,
Lower wire outlet seat 4 on pole housing 1, constitutes a part for pole housing 1 as inserts sealing, and vacuum interrupter 3 is arranged on pole
The inside of post housing 1.Pole is assembled when HVAC vacuum circuit breaker carries out complete machine assembling as an entirety,
In assembling process, insulated tension pole 11 needs to be connected with the moving conductive rod 5 of vacuum interrupter, but for 40.5kV voltage class
Pole, because its overall dimensions is higher, instrument, which enters, not to be gone, it is impossible to fixed moving conductive rod 5, can only be rotated outside pole absolutely
The lower end of edge pull bar 11 is fastened.Rotating insulated pull bar exert oneself it is excessive be easily damaged insulated tension pole, and design insulated tension pole
When except need consider normal work when axially loaded requirement, it is also contemplated that install when torque demand, add design life
Produce cost；Moving conductive rod rotation is easily driven during rotating insulated pull bar simultaneously, so as to damage bellows 22, cause vacuum breaking and
Vacuum interrupter is caused to be scrapped.And rotating insulated pull bar exert oneself it is too small then can not fixation, easily made during mechanically actuated
Into loosening, this contradiction turns into a problem in 40.5kV voltage class pole assembling process for a long time.
In order to solve the problem, Authorization Notice No. discloses a kind of pole for CN 203680223U Chinese patent
The handler of middle insulated tension pole, including fastening cylinder, spanner and operation handle, fastening cylinder internal diameter are slightly larger than the big footpath of insulated tension pole,
External diameter is less than pole internal diameter, and fastening cylinder front end is welded with the sleeve of reinforcement, and spanner is fixed on sleeve by bearing pin rotation,
Spanner is connected with steel wire, and operation handle is shaft-like, is located in fastening cylinder bottom.In use, monkey wrench is pulled open by steel wire,
Fastening cylinder is stretched into pole, steel wire is unclamped and rotates fastening cylinder, spanner mouthful is engaged with the connecting rod of insulated tension pole, pass through
The operator handle of the fastening cylinder other end is rotated, Tightening moment can be directly delivered in the connecting rod of insulated tension pole, reach dress
Match somebody with somebody, dismantle the purpose of insulated tension pole.
But, it is that, in pole built-in function, spanner is difficult to engage with insulated tension pole exactly when said apparatus is used,
Operation inconvenience, inefficiency.Further, since the bellows of vacuum interrupter can still be held during by fastening cylinder rotating insulated pull bar
By moment of torsion, bellows damage is equally easily caused.
Therefore, a kind of more preferable scheme is needed exist for solve the connection problem of pole and insulated tension pole.
The content of the invention
It is an object of the invention to provide the attachment structure of a kind of pole and insulated tension pole, with solve pole with absolutely
The connection problem of edge pull bar.
To achieve the above object, the technical scheme that uses is in the present invention：The attachment structure of pole and insulated tension pole,
Including pole and insulated tension pole, the pole includes pole housing and moving conductive rod, the moving conductive rod and insulation
Pull bar is by the way that while the bearing pin being located on both is connected, the side wall of the pole housing of the pole is provided with supply and marketing axle
The bearing pin installing port passed through, the bearing pin installing port and the position of bearing pin are radially corresponding along pole.
Further, the pole includes lower wire outlet seat, and the bearing pin installing port is arranged on lower wire outlet seat.
Further, it is connected with and is flexible coupling between the lower wire outlet seat and moving conductive rod, is flexible coupling and is fixed on lower wire outlet seat
Inner side end and be flexible coupling provided with avoidance mouth corresponding with the bearing pin installing port.
Further, the moving conductive rod is provided with adapter, and the adapter is led close to one end of moving conductive rod with dynamic
Electric pole is threadedly coupled, and the other end is provided with the pin shaft hole that supply and marketing axle is passed through.
Further, the one end of the adapter away from moving conductive rod is provided with spaced apart otic placode, and the pin shaft hole is set
Put on otic placode, the insulated tension pole has the connection end being folded between two otic placodes.
Further, the moving conductive rod is provided with for corresponding instrument clamping to prevent the rotation stop knot that moving conductive rod is rotated
Structure.
Further, the inwall for the pin shaft hole that supply and marketing axle is passed through is provided with card on the moving conductive rod and/or insulated tension pole
Enclose and elastic collar is provided with mounting groove, collar mounting groove, the bearing pin is provided with bearing pin neck, and the leading section of bearing pin, which is provided with, to be used for
The tapered guide face of distending elastic collar.
Further, one of them of the moving conductive rod and insulated tension pole are provided with spaced apart otic placode, another
Upper to have the connection end being folded between two otic placodes, the collar mounting groove is disposed therein on an otic placode, the bearing pin
Neck is arranged on the leading section of bearing pin, and the rear end of bearing pin is provided with block flange.
Further, the elastic collar is made up of flexible metal material bending, generally with circumferential openings
Star structure, the circumscribed circular diameter of elastic collar is identical with collar mounting groove internal diameter, inscribed circle diameter and bearing pin neck it is interior
Footpath is identical.
Further, the elastic collar is hexagram structure, wherein forming the circumferential openings between two adjacent angulars.
Beneficial effect：The present invention uses above-mentioned technical proposal, and moving conductive rod and insulated tension pole are by while being located in two
Bearing pin connection on person, the side wall of the pole housing of the pole is provided with the bearing pin installing port that supply and marketing axle passes through, described
Bearing pin installing port and the position of bearing pin are radially corresponding along pole, therefore, can be straight when connection moving conductive rod and insulated tension pole
The bearing pin installing port connected on pole housing passes through bearing pin, the axial direction transmission of moving conductive rod and insulated tension pole is realized, with showing
Have in technology and to be compared using threaded connection, it is not necessary to moment of torsion is applied to insulated tension pole, insulated tension pole will not be caused to damage, and grasp
Facilitate, be conducive to improving operating efficiency.
Further, the pole includes lower wire outlet seat, and the bearing pin installing port is arranged on lower wire outlet seat, it is to avoid
The problem of capping in addition and shielding bearing pin installing port are needed when bearing pin installing port is arranged on the insulated part of pole housing, if
Meter is simple, and cost is low, convenient to carry out.
Further, the moving conductive rod is provided with adapter, and the adapter is led close to one end of moving conductive rod with dynamic
Electric pole is threadedly coupled, and the other end is provided with the pin shaft hole that supply and marketing axle is passed through, and the moving conductive rod, which is provided with, supplies corresponding instrument clamping
, can be first by the master of adapter and moving conductive rod before insulated tension pole is installed to prevent the spline structure that moving conductive rod is rotated
Body is connected, it is possible to prevent moving conductive rod from rotating using instrument, it is ensured that adapter is firmly connected with moving conductive rod, it is to avoid used
Cause to loosen in journey, while avoiding bellows in connection procedure from being damaged.Adapter is set to be adjusted flexibly on adapter
The relative position of pin shaft hole and the side wall upper pin installing port of pole housing, is more beneficial for penetrating for bearing pin.
Brief description of the drawings
Fig. 1 is the schematic diagram of the attachment structure of pole and insulated tension pole in the prior art；
Fig. 2 is the schematic diagram of the attachment structure of pole and insulated tension pole in the present invention；
Fig. 3 is the structural representation of pole in Fig. 2；
Fig. 4 is the structural representation of insulated tension pole in Fig. 2；
Fig. 5 is the structural representation of adapter；
Fig. 6 is the structural representation of bearing pin；
Fig. 7 is the side view that adapter loads after elastic collar in Fig. 5；
Fig. 8 is the front view of elastic collar；
Fig. 9 is the structural representation of the embodiment 2 of pole and insulated tension pole in the present invention；
Figure 10 is the structural representation of the embodiment 3 of pole and insulated tension pole in the present invention.
Each reference is corresponding entitled in figure：Go out under 1- pole housings, the upper wire outlet seats of 2-, 3- vacuum interrupters, 4-
Line seat, 5- moving conductive rods, 6- is flexible coupling, 7- nuts, 8- adapters, 9- otic placodes, 10- pin shaft holes, 11- insulated tension poles, 12- pull bars
Joint, 13- bearing pins, 14- tapered guides face, 15- bearing pin necks, 16- block flanges, 17- elastic collars, 18- circumferential openings,
19- bearing pin installing ports, 20- avoids mouth, 21- cappings, 22- bellowss, 23- collar mounting grooves.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
The embodiment 1 of the attachment structure of pole and insulated tension pole of the present invention is a kind of 40.5kV as shown in Fig. 2 ~ Fig. 8
The pole and the attachment structure of insulated tension pole used on AC vacuum circuit-breaker, wherein pole include pole housing 1,
Upper wire outlet seat 2, vacuum interrupter 3, lower wire outlet seat 4, upper wire outlet seat 2, lower wire outlet seat 4 as inserts sealing on pole housing 1,
Constitute a part for pole housing 1, the inner side end of lower wire outlet seat 4, which is fixed with, is flexible coupling 6, and vacuum interrupter 3 is arranged on pole
The inside of housing 1, its lower end is provided with moving conductive rod 5.The outer peripheral face of the bottom of moving conductive rod 5 parallel is cut flat with provided with two
Face, forms for corresponding instrument clamping to prevent the spline structure that moving conductive rod 5 is rotated.
The end face of the lower end of moving conductive rod 5 is provided with screwed hole, and corresponding adapter 8 is assemblied in screw thread by the stud of upper end
Nut 7 is equipped with hole, on stud, for 6 end faces for being pressed abd fixed on the lower end of moving conductive rod 5 that are flexible coupling.Adapter 8
Bottom is U-lag structure, including two spaced apart otic placodes 9, the medial surface of otic placode 9 is plane, and otic placode 9 is provided with supply and marketing axle 13
The pin shaft hole 10 passed through.Correspondingly, the body upper end of insulated tension pole 11 is provided with rod head 12, the outer peripheral face of rod head 12
Provided with two parallel sections, flat structure is formed, between the spacing in two sections and the otic placode 9 of connector of flat structure
Away from identical so that rod head 12 is folded between two otic placodes 9 by two sections.Rod head 12, which is provided with, runs through two
Moving conductive can be achieved through the pin shaft hole 10 on two otic placodes 9 and rod head 12 in the pin shaft hole 10 in individual section, bearing pin 13
The axial direction transmission of bar 5 and insulated tension pole 11.In other embodiments, rod head 12 can also be complete cylinder plane tie,
Now the bottom of adapter 8 can also be that the body or medial surface of adaptation are the otic placode 9 of arc surface.
The structure of bearing pin 13 is as shown in fig. 6, its leading section is provided with the He of tapered guide face 14 for distending elastic collar 17
Bearing pin neck 15 positioned at the rear of tapered guide face 14, rear end is provided with block flange 16.Accordingly, the otic placode 9 in left side in figure
The inwall of pin shaft hole 10, which is provided with collar mounting groove 23, collar mounting groove 23, is provided with elastic collar 17.The elastic collar 17 by
Flexible metal material bending is made, generally the hexagram structure with circumferential openings 18, wherein two adjacent angulars it
Between formed circumferential openings 18, the contraction and expansion of internal diameter can be realized.The circumscribed circular diameter of elastic collar 17 and collar mounting groove
23 internal diameters are identical, inscribed circle diameter is identical with the internal diameter of bearing pin neck 15, load after collar mounting groove 23 with can collar pacify
Tankage 23 is coaxial, is easy to penetrating for bearing pin 13.Certainly, in other embodiments, can also to replace with other non-for elastic collar 17
Tender or standard component, such as jump ring, during using jump ring, in order to ensure penetrating for bearing pin 13, the external diameter of jump ring should be less than collar peace
The internal diameter of tankage 23, such jump ring will have certain bias after loading collar mounting groove 23, can now have by selection smaller
The bearing pin 13 in the tapered guide face 14 of taper.
Because the inner space of pole housing 1 is limited, in order to realize the installation of bearing pin 13, lower wire outlet seat 4 is provided with insertion
Through hole, forms the bearing pin installing port 19 that supply and marketing axle 13 passes through, the position of bearing pin installing port 19 and bearing pin 13 along pole radially
Correspondence.6 it is fixed on due to being flexible coupling on the inner side end of lower wire outlet seat 4, therefore is flexible coupling and 6 is also provided with and the bearing pin is installed
Mouth 19 is corresponding to avoid mouths 20.In other embodiments, it is flexible coupling 6 with the bearing pin installing port 19 on lower wire outlet seat 4 can be avoided,
Avoidance mouth 20 need not be now set again.
During assembling, before insulated tension pole 11 is installed, circlip external diameter is compressed first, the collar of adapter 8 is sticked into
In mounting groove 23, because it is flexible, it voluntarily reduces profile after sticking into, and is stuck in collar mounting groove 23；Then, turn
Joint 8 is fixed on moving conductive rod 5 by stud, and the pin shaft hole 10 of adapter 8 is directed on the right side of pole lower wire outlet seat 4
Bearing pin installing port 19, now due to not assembling insulated tension pole 11 also, thus fixed transfer it is first 8 when can use right-angle wrench etc.
Instrument is reliably fastened.
When assembling insulated tension pole 11, the insulated tension pole 11 equipped with the connector of insulated tension pole 11 upwards toward group on adapter 8
Dress, the flat of the connector of insulated tension pole 11 is injected in the U-lag of adapter 8, and is made the pin shaft hole 10 of rod head 12 and turned
Pin shaft hole 10 on joint 8 aligns.Now bearing pin 13 is pierced on the right side of pole in the mounting hole of bearing pin 13 of lower wire outlet seat 4
Come, the pin shaft hole 10 through on the pin shaft hole 10 and adapter 8 of rod head 12, during penetrating, the taper on bearing pin 13
Guide surface 14 will be outwards swollen elastic collar 17, and when being inserted into bottom, the inward flange elastical retraction of circlip is just stuck in bearing pin
In bearing pin neck 15 on 13, due to shaking bearing pin 13 is taken off from hole in mechanically actuated which prevent pole
Go out, it is ensured that be reliably connected relation.So far, the connection of pole and insulated tension pole 11 is completed.
The embodiment 2 of the attachment structure of pole and insulated tension pole of the present invention is as shown in figure 9, difference with embodiment 1
Part is that the bottom of adapter 8 is provided with flat structure in the present embodiment, and the upper end of insulated tension pole 11 is provided with U-lag structure.
The embodiment 3 of the attachment structure of pole and insulated tension pole of the present invention is as shown in Figure 10, the difference with embodiment 1
Part is, is not provided with the present embodiment on lower wire outlet seat 4 on bearing pin installing port 19, the side wall of the insulated part of pole housing 1
The bearing pin installing port 19 passed through provided with supply and marketing axle 13, in order to ensure at insulating properties, bearing pin installing port 19 provided with capping 21.When
So, in order to meet insulating requirements, insulating properties can be improved by various modes between capping 21 and the insulated part of pole housing 1
Can, labyrinth structure for example is set in capping 21 and the faying face of pole housing 1.
The embodiment 4 of the attachment structure of pole and insulated tension pole of the present invention, is with the difference of embodiment 1,
Moving conductive rod lower end is not provided with adapter in the present embodiment, but is provided directly with flat structure.
Claims (10)
1. the attachment structure of pole and insulated tension pole, including pole and insulated tension pole, the pole include pole
Post housing and moving conductive rod, it is characterised in that：The moving conductive rod and insulated tension pole are by while being located in the pin on both
Axle is connected, and the side wall of the pole housing of the pole is provided with the bearing pin installing port that supply and marketing axle passes through, and the bearing pin is installed
Mouth and the position of bearing pin are radially corresponding along pole.
2. the attachment structure of pole according to claim 1 and insulated tension pole, it is characterised in that：The pole
Including lower wire outlet seat, the bearing pin installing port is arranged on lower wire outlet seat.
3. the attachment structure of pole according to claim 2 and insulated tension pole, it is characterised in that：The lower wire outlet seat
Be connected with and be flexible coupling between moving conductive rod, be flexible coupling be fixed on the inner side end of lower wire outlet seat and be flexible coupling provided with it is described
The corresponding avoidance mouth of bearing pin installing port.
4. the attachment structure of the pole and insulated tension pole according to claim 1 or 2 or 3, it is characterised in that：It is described dynamic
Conducting rod is provided with adapter, and the adapter is threadedly coupled close to one end of moving conductive rod with moving conductive rod, and the other end is provided with
The pin shaft hole that supply and marketing axle is passed through.
5. the attachment structure of pole according to claim 4 and insulated tension pole, it is characterised in that：The adapter is remote
One end from moving conductive rod is provided with spaced apart otic placode, and the pin shaft hole is arranged on otic placode, and the insulated tension pole has folder
It is located at the connection end between two otic placodes.
6. the attachment structure of pole according to claim 4 and insulated tension pole, it is characterised in that：The moving conductive rod
It is provided with for corresponding instrument clamping to prevent the spline structure that moving conductive rod is rotated.
7. the attachment structure of the pole and insulated tension pole according to claim 1 or 2 or 3, it is characterised in that：It is described dynamic
The inwall for the pin shaft hole that supply and marketing axle is passed through is provided with collar mounting groove, collar mounting groove and set on conducting rod and/or insulated tension pole
Flexible collar, the bearing pin is provided with bearing pin neck, and the leading section of bearing pin is provided with the tapered guide for distending elastic collar
Face.
8. the attachment structure of pole according to claim 7 and insulated tension pole, it is characterised in that：The moving conductive rod
Spaced apart otic placode is provided with one of them of insulated tension pole, there is the connection end being folded between two otic placodes on another
Head, the collar mounting groove is disposed therein on an otic placode, and the bearing pin neck is arranged on after the leading section of bearing pin, bearing pin
End is provided with block flange.
9. the attachment structure of the pole and insulated tension pole according to claim 1 or 2 or 3, it is characterised in that：The bullet
Property collar be made up of flexible metal material bending, the generally star structure with circumferential openings, elastic collar it is outer
Tangential circle diameter is identical with collar mounting groove internal diameter, inscribed circle diameter is identical with the internal diameter of bearing pin neck.
10. the attachment structure of pole according to claim 9 and insulated tension pole, it is characterised in that：The elastic card
Enclose as hexagram structure, wherein forming the circumferential openings between two adjacent angulars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398041.4A CN106992091B (en) | 2017-05-31 | 2017-05-31 | The connection structure of pole and insulated pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398041.4A CN106992091B (en) | 2017-05-31 | 2017-05-31 | The connection structure of pole and insulated pull rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106992091A true CN106992091A (en) | 2017-07-28 |
| CN106992091B CN106992091B (en) | 2019-09-20 |
Family
ID=59421318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710398041.4A Active CN106992091B (en) | 2017-05-31 | 2017-05-31 | The connection structure of pole and insulated pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106992091B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731622A (en) * | 2017-10-30 | 2018-02-23 | 河南森源电气股份有限公司 | The attachment structure of pole and insulated tension pole |
| CN109727808A (en) * | 2018-12-14 | 2019-05-07 | 北京双杰电气股份有限公司 | Environment-friendly type breaker gas tank |
| CN113009190A (en) * | 2019-12-19 | 2021-06-22 | 河南平芝高压开关有限公司 | GIS is with experimental frock of single insulating pull rod and test equipment |
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| CN2330061Y (en) * | 1997-12-11 | 1999-07-21 | 北京开关厂 | High-voltage vacuum circuit breaker |
| CN201369288Y (en) * | 2009-01-13 | 2009-12-23 | 施耐德电器工业公司 | Insulating pull rod and vacuum breaker with same |
| CN201391520Y (en) * | 2009-03-18 | 2010-01-27 | 云南铝业股份有限公司 | Aluminum electrolytic cell crust-breaking chip mounting pin |
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| CN202066668U (en) * | 2010-12-29 | 2011-12-07 | 常州森源力拓开关有限公司 | Detection device for mechanical properties of vacuum circuit breaker |
| CN203134665U (en) * | 2012-12-17 | 2013-08-14 | 常熟开关制造有限公司(原常熟开关厂） | Connection structure between flexible connector and lower outlet seat |
| CN106449267A (en) * | 2016-11-15 | 2017-02-22 | 平高集团威海高压电器有限公司 | Plug, insulating pull rod component, protection method of insulating pull rod component and arc extinguish chamber |
| CN206893527U (en) * | 2017-05-31 | 2018-01-16 | 河南森源电气股份有限公司 | A kind of attachment structure of pole and insulated tension pole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2330061Y (en) * | 1997-12-11 | 1999-07-21 | 北京开关厂 | High-voltage vacuum circuit breaker |
| CN201369288Y (en) * | 2009-01-13 | 2009-12-23 | 施耐德电器工业公司 | Insulating pull rod and vacuum breaker with same |
| CN201391520Y (en) * | 2009-03-18 | 2010-01-27 | 云南铝业股份有限公司 | Aluminum electrolytic cell crust-breaking chip mounting pin |
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| CN106449267A (en) * | 2016-11-15 | 2017-02-22 | 平高集团威海高压电器有限公司 | Plug, insulating pull rod component, protection method of insulating pull rod component and arc extinguish chamber |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731622A (en) * | 2017-10-30 | 2018-02-23 | 河南森源电气股份有限公司 | The attachment structure of pole and insulated tension pole |
| CN109727808A (en) * | 2018-12-14 | 2019-05-07 | 北京双杰电气股份有限公司 | Environment-friendly type breaker gas tank |
| CN113009190A (en) * | 2019-12-19 | 2021-06-22 | 河南平芝高压开关有限公司 | GIS is with experimental frock of single insulating pull rod and test equipment |
| CN113009190B (en) * | 2019-12-19 | 2024-04-05 | 河南平芝高压开关有限公司 | Single-branch insulation pull rod test tool and test equipment for GIS |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106992091B (en) | 2019-09-20 |
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