CN203134682U - Three-phase common-case vacuum circuit breaker and breaker dial mechanism - Google Patents
Three-phase common-case vacuum circuit breaker and breaker dial mechanism Download PDFInfo
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- CN203134682U CN203134682U CN 201320038011 CN201320038011U CN203134682U CN 203134682 U CN203134682 U CN 203134682U CN 201320038011 CN201320038011 CN 201320038011 CN 201320038011 U CN201320038011 U CN 201320038011U CN 203134682 U CN203134682 U CN 203134682U
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- conductive rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 112
- 238000009413 insulation Methods 0.000 claims abstract description 41
- 230000003068 static effect Effects 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract 3
- 125000006850 spacer group Chemical group 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model relates to a three-phase common-case vacuum circuit breaker and a breaker dial mechanism. The breaker dial mechanism comprises a transmission shaft driven by a corresponding operating mechanism, wherein three insulation shift forks are arranged on the transmission shaft with intervals along an axial direction and respectively correspond to each phase explosion chamber moving conducting rod, transmission structures are symmetrically arranged on two shift fork arms of each insulation shift fork, are used for being in transmission connection with the corresponding explosion chamber moving conducting rod respectively and push the corresponding explosion chamber moving conducting rod to move back and forth when the transmission shaft swings back and forth. The breaker dial mechanism has advantages of simple structure and high transmission efficiency.
Description
Technical field
The utility model relates to field of circuit breakers, relates in particular to a kind of three-phase combined type vacuum circuit-breaker and circuit breaker toggle mechanism.
Background technology
Have the structure of three-phase combined type vacuum circuit-breaker now as shown in Figure 1: the moved end electrode 1 and the quiet termination electrode 6 that arrange before and after comprising, be powered with moving conductive rod on the moved end electrode 1, the three-phase combined type vacuum circuit-breaker comprises that also being in transmission connection to drive moving conductive rod by toggle mechanism and moving conductive rod moves forward and backward and realize moving, quiet termination electrode closes, the operating mechanism of separating brake, wherein toggle mechanism comprises clutch end and the moving conductive rod transmission crank arm 8 that is in transmission connection and the insulated tension pole 4 that is in transmission connection on the power intake of transmission crank arm, and the power transmission shaft 5 that is driven by operating mechanism, power transmission shaft is a d-axis structure, be installed with the power transmission shaft connecting lever that is in transmission connection with insulated tension pole on the power transmission shaft, 7 expression arc control device among the figure.During work, operating mechanism is given insulated tension pole by power transmission shaft, power transmission shaft connecting lever with transmission of power, insulated tension pole drives transmission crank arm and back and forth rotates around the pivot center of transmission crank arm, and transmission crank arm drives moving conductive rod and moves forward and backward to realize the closing of dynamic and static termination electrode, separating brake.The problem that existing three-phase combined type vacuum circuit-breaker exists is, the transmission stroke of the toggle mechanism corresponding with every phase moving conductive rod is longer, make that the energy consumption between operating mechanism and the moving conductive rod is more, the transmission stroke is long, the complicated synchronism operation that also is unfavorable for each toggle mechanism action of toggle mechanism; Complicated simultaneously toggle mechanism also takies bigger cabinet space, is unfavorable for that the miniaturization of three-phase combined type vacuum circuit-breaker is made.
The utility model content
The purpose of this utility model is to provide a kind of simple and compact for structure and circuit breaker toggle mechanism that transmission efficiency is high; The purpose of this utility model also is to provide a kind of three-phase combined type vacuum circuit-breaker that uses this circuit breaker toggle mechanism.
In order to address the above problem, the technical scheme of circuit breaker toggle mechanism is in the utility model:
The circuit breaker toggle mechanism, comprise the power transmission shaft that drives for by corresponding operating mechanism, its axially spaced-apart of power transmission shaft upper edge is installed with three and is respectively applied to the insulation shift fork corresponding with each phase arc control device moving conductive rod, each shift fork that insulate all be arranged in parallel, on two shift fork arm inboards of each shift fork that insulate to being provided with for being in transmission connection to stir the drive mechanism that corresponding arc control device moving conductive rod moves forward and backward when the power transmission shaft reciprocally swinging with corresponding arc control device moving conductive rod.
Described power transmission shaft is a bent axle, and described insulation shift fork is arranged on the rod journal of described bent axle.
Be provided with the radially consistent wavy shaped configuration of moving towards with power transmission shaft on the forward and backward surface of described insulation shift fork.
Described drive mechanism comprise on two shift fork arms that are flush-mounted in corresponding shift fork and projection towards relative transmission projection.
The technical scheme of three-phase combined type vacuum circuit-breaker is in the utility model:
The three-phase combined type vacuum circuit-breaker, comprise three arc control device moving conductive rods and under corresponding operating mechanism drives, drive the toggle mechanism that each arc control device moving conductive rod moves forward and backward, toggle mechanism comprises axially and extending along left and right directions, and the power transmission shaft that is in transmission connection with the clutch end of operating mechanism, its axially spaced-apart of described power transmission shaft upper edge is installed with three insulation shift forks corresponding with each moving conductive rod respectively, on two shift fork arm inboards of each shift fork that insulate to being provided with the drive mechanism that is in transmission connection and moves forward and backward with the corresponding arc control device moving conductive rod that fluctuates when the power transmission shaft reciprocally swinging with corresponding arc control device moving conductive rod.
Described power transmission shaft is a bent axle, and described insulation shift fork is arranged on the rod journal of described bent axle.
Be provided with the radially consistent wavy shaped configuration of moving towards with power transmission shaft on the forward and backward surface of described insulation shift fork.
The described shift fork that respectively insulate is in transmission connection by touch spring device and each arc control device moving conductive rod of correspondence respectively.
Described touch spring device comprises the coaxial fixed muffle that has that is fixedly set on the corresponding arc control device moving conductive rod, the front end of fixed muffle turns up the fixing spring seat, moving sleeve is equipped with along the coaxial fairlead of fore-and-aft direction in the periphery of described fixed muffle, in the rear of fixing spring seat, turn over the mobile spring seat that is oppositely arranged with the fixing spring seat on the moving sleeve, fixing, be top-loaded with at least two touch springs between the mobile spring seat, each touch spring is circumferentially evenly arranged along described arc control device moving conductive rod, be installed with on the fixed muffle and move and the position limiting structure of separating brake make moving sleeve drive fixed muffle and arc control device moving conductive rod for cooperating with the moving sleeve block after, described drive mechanism comprises on two shift fork arm inboards that are flush-mounted in corresponding shift fork, and projection offers two circumferential elongated slots that supply two transmission projection transmission plug-in mountings on the corresponding shift fork respectively towards relative transmission projection on the barrel of described moving sleeve.
Be provided with the arc control device static conductive rod with the coaxial setting of arc control device moving conductive rod in the arc control device of described three-phase combined type vacuum circuit-breaker, arc control device are quiet, the opposing end of moving conductive rod is powered with quiet termination electrode and moved end electrode respectively, quiet termination electrode comprises and the coaxial quiet end conducting rod that is electrically connected of static conductive rod, the moved end electrode comprises the moved end conducting rod with the coaxial setting of moving conductive rod, described moved end conducting rod is provided with the conductive hole that axially extends along fore-and-aft direction near an end of arc control device moving conductive rod, the rear end mobile guide of described arc control device moving conductive rod is plugged in the described conductive hole, be interval with at least two circle watchband fingertips along fore-and-aft direction between the hole wall of described conductive hole and the described arc control device moving conductive rod, the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole by described watchband fingertip.
The beneficial effects of the utility model are: power transmission shaft is stirred the arc control device conducting rod by the insulation shift fork and is moved forward and backward, to realize the closing of corresponding dynamic and static termination electrode, separating brake action, simple in structure, the transmission stroke weak point of whole toggle mechanism, power is in the transmittance process of toggle mechanism, transmission less energy consumption and transmission efficiency height; Also be conducive to simultaneously respectively to be harmonious, the consistency of separating brake action; Power transmission shaft and insulation shift fork take up room little diametrically, make the radial structure compactness of toggle mechanism.
Further, power transmission shaft is bent axle, and the insulation shift fork is arranged on the rod journal of bent axle, so just increases the creepage distance between arc control device moving conductive rod and the power transmission shaft, further reduces the products radial size under the situation that guarantees insulation.
Further, the forward and backward surface of insulation shift fork is equipped with wavy shaped configuration, and wavy shaped configuration has increased the length of run on the forward and backward surface of insulation shift fork, has further increased creepage distance and insulation level between arc control device moving conductive rod and the power transmission shaft.
Further, transmission projection transmission on each shift fork that insulate is plugged in the circumferential elongated slot of corresponding moving sleeve, the insulation shift fork is when applying forward directive effect power to moving sleeve, moving sleeve is mobile and compression contacts spring forward, realizes corresponding feed motion thereby touch spring drive fixed muffle and arc control device moving conductive rod move forward together; When the needs separating brake, after stirring moving sleeve, moves by the insulation shift fork, moving sleeve cooperates with position limiting structure block on the fixed muffle and moves after driving fixed muffle and arc control device moving conductive rod, thereby realize corresponding separating brake action, the arc control device moving conductive rod is passed by the geometric center place of each touch spring, be that touch spring and moving conductive rod are arranged on together, make whole Electric Field Distribution good; Rationally distributed, the compact conformation of while touch spring and arc control device moving conductive rod, it is less to take up room; When moving sleeve compression contacts spring, can be compressed to the axial length of touch spring very little, thereby reduced the axial dimension of whole touch spring transmission device, the miniaturization that more is conducive to the three-phase combined type vacuum circuit-breaker is made.
Description of drawings
Fig. 1 is the structural representation in the utility model background technology;
Fig. 2 is the structural representation of an embodiment of three-phase combined type vacuum circuit-breaker in the utility model;
Fig. 3 is the structural representation of toggle mechanism among this Fig. 2, also is the structural representation of an embodiment of toggle mechanism in the utility model simultaneously;
Fig. 4 is the structural representation of power transmission shaft among Fig. 3;
Fig. 5 is the structural representation of insulation shift fork among Fig. 3;
Fig. 6 is the schematic diagram that cooperates of dynamic and static termination electrode and arc control device moving conductive rod among Fig. 2;
Fig. 7 is the schematic diagram that cooperates of moving sleeve and fixed muffle among Fig. 6.
Embodiment
The embodiment of three-phase combined type vacuum circuit-breaker is shown in Fig. 2 ~ 7: comprise casing and go up before and after the three groups of moved end electrodes 9 and the quiet termination electrode 14 that arrange, electrode 9 upper edge fore-and-aft directions in moved end slide and are powered with arc control device moving conductive rod 15, the three-phase combined type vacuum circuit-breaker also comprises operating mechanism, and operating mechanism is in transmission connection by toggle mechanism and arc control device moving conductive rod.Toggle mechanism comprises axially and extending along left and right directions, and the power transmission shaft 11 that is in transmission connection with the clutch end of operating mechanism, one end of power transmission shaft 11 is rotatably assorted by deep groove ball bearing 24 and spacer and casing, the other end is rotatably assorted by oscillating bearing 27 and spacer and casing, power transmission shaft is one and has trunnion 23, the bent axle of connecting rod 25 and a rod journal 26, be provided with three insulation shift forks 10 corresponding with each arc control device moving conductive rod respectively at its axially spaced-apart of rod journal 26 upper edges, insulation shift fork 10 is formed by the epoxy resin integral cast, rod journal is a plate shape bar, two plate faces of rod journal are provided with the bolt penetration hole of perforation, and each shift fork that insulate is fixed on the rod journal by connecting bolt.Be provided with the radially consistent wavy shaped configuration 10-2 that moves towards with power transmission shaft on the forward and backward surface of insulation shift fork, two shift fork arm 10-1 of each shift fork that insulate go up and to be in transmission connection the stirring drive mechanism that corresponding arc control device moving conductive rod moves forward and backward when the power transmission shaft reciprocally swinging to being provided with corresponding arc control device moving conductive rod, drive mechanism comprise on two shift fork arms that are flush-mounted in corresponding shift fork and projection towards relative transmission projection 28.The coaxial fixed cover of the periphery of arc control device moving conductive rod is equipped with fixed muffle 22, the front end of fixed muffle turns up fixing spring seat 19, moving sleeve 21 is equipped with along the coaxial fairlead of fore-and-aft direction in the periphery of fixed muffle 22, in the rear of fixing spring seat 19, turn over the mobile spring seat 20 that is oppositely arranged with fixing spring seat 19 on the moving sleeve, fixing, be top-loaded with three touch springs 18 between the mobile spring seat, each touch spring 18 is circumferentially evenly arranged along the arc control device moving conductive rod, be set with corresponding setting with each touch spring on the fixing spring seat 19, and the guide post 17 that axially extends along fore-and-aft direction, each touch spring fairlead respectively is loaded on corresponding guide post periphery, and mobile spring seat 20 is provided with the guide post perforation that runs through along fore-and-aft direction for each guide post rear end respectively.Be installed with on the fixed muffle 22 and move and the position limiting structure of separating brake make moving sleeve drive fixed muffle and arc control device moving conductive rod for cooperating with moving sleeve 21 blocks after, position limiting structure is by constituting by the stop nut 16 of screw thread spinning in the fixed muffle rear end.Mobile spring seat 20 surrounds the fixed muffle perforation that cooperates with the periphery wall guiding of fixed muffle along the fore-and-aft direction hole wall, the outer peripheral face of fixing spring seat 19 is and the internal perisporium guiding matched cylindrical of moving sleeve, offers two circumferential elongated slots that supply two transmission projection transmission plug-in mountings on the corresponding shift fork respectively on the barrel of moving sleeve.13 expression arc control device among the figure, be provided with the arc control device static conductive rod with the coaxial setting of arc control device moving conductive rod in the arc control device, quiet, the moved end electrode is arranged at quiet respectively, the quiet termination electrode of opposing end of moving conductive rod comprises and the coaxial quiet end conducting rod that is electrically connected of static conductive rod, the moved end electrode comprises the moved end conducting rod with the coaxial setting of moving conductive rod, the moved end conducting rod is provided with the conductive hole that axially extends along fore-and-aft direction near an end of arc control device moving conductive rod, slide and be plugged in the described conductive hole in the rear end of described arc control device moving conductive rod, the periphery wall of described moving conductive rod is electrically connected with the hole wall of described conductive hole.The hole wall upper edge fore-and-aft direction of conductive hole is interval with two circle watchband fingertips, and the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole by described watchband fingertip.
During use, two transmission projection symmetries on the insulation shift fork are plugged in two circumferential elongated slots of corresponding moving sleeve, when needs close a floodgate, power transmission shaft drives the insulation shift fork and swings forward, the insulation shift fork is stirred the moving sleeve reach, and moving sleeve is realized the feed motion of dynamic and static termination electrode by touch spring drive fixed muffle and moving conductive rod reach; In like manner, power transmission shaft drives the separating brake action that can realize dynamic and static termination electrode when the insulation shift fork is swung backward.Adopt the direct transmission of power transmission shaft, insulation shift fork, make the simple in structure of toggle mechanism, and the transmission stroke is shorter, guaranteed that transmission efficiency is closed with each mutually dynamic and static termination electrode, the consistency of separating brake; Toggle mechanism takes up room little, can adapt in the narrow space to use; Power transmission shaft is the required power demand of the normal divide-shut brake of transmission of the power transmission shaft that not only guarantees of bent axle, has also increased the creepage distance between moving conductive rod and the power transmission shaft; The wavy shaped configuration on the forward and backward surface of insulation shift fork has not only increased the structural strength of insulation shift fork, has also further increased creepage distance between moving conductive rod and the power transmission shaft; Being used of deep groove ball bearing and oscillating bearing makes product can bear bigger axial load and radial load simultaneously, and spacer is used for the end play that the assembling and setting process is adjusted whole drive system, reduced assembling and the debugging difficulty of power transmission shaft.The quiet end conducting rod of coaxial setting, the arc control device static conductive rod, arc control device moving conductive rod and moved end conducting rod constitute " one " font structure simple in structure, quiet end conducting rod and arc control device static conductive rod directly are electrically connected, arc control device moving conductive rod and moved end conducting rod directly are electrically connected, during circuit turn-on, the current flowing path is: quiet end conducting rod-arc control device static conductive rod-arc control device moving conductive rod and moved end conducting rod, arrangement between each parts is simple, the assembling link is few, be difficult for breaking down, " one " font setting between each parts makes that also the Electric Field Distribution of major loop structure is even.Arc control device insert electrode by the arc control device moving conductive rod, and the dish spring abutment is inserted in the dual cooperation guiding of electrode, and the radially area that play the guiding role is bigger.In other embodiment of this three-phase combined type vacuum circuit-breaker: power transmission shaft also can have a plurality of rod journals, and the shift fork that respectively insulate this moment can be arranged at respectively on the corresponding rod journal; Certainly power transmission shaft also can be a d-axis structure; The forward and backward surface of insulation shift fork also can be planar structure; The number of touch spring can be two, four or more; The circumferential elongated slot that is arranged on the moving sleeve can be arranged on the shift fork arm of insulation shift fork, and the elongated slot on the shift fork arm has constituted drive mechanism at this moment, and need set firmly the transmission projection that cooperates transmission with elongated slot at moving sleeve accordingly; Position limiting structure also can be the guide vane end stop that is fixedly welded on the fixed muffle.
The embodiment of circuit breaker toggle mechanism is shown in Fig. 3 ~ 5: toggle mechanism comprises axially and extending along left and right directions, and the power transmission shaft 11 that is in transmission connection with the clutch end of operating mechanism, one end of power transmission shaft 11 is rotatably assorted by deep groove ball bearing 24 and spacer and casing, the other end is rotatably assorted by oscillating bearing 27 and spacer and casing, power transmission shaft is one and has trunnion 23, the bent axle of connecting rod 25 and a rod journal 26, be provided with three insulation shift forks 10 corresponding with each arc control device moving conductive rod respectively at its axially spaced-apart of rod journal 26 upper edges, insulation shift fork 10 is formed by the epoxy resin integral cast, rod journal is a plate shape bar, two plate faces of rod journal are provided with the bolt penetration hole of perforation, and each shift fork that insulate is fixed on the rod journal by connecting bolt.Be provided with the radially consistent wavy shaped configuration 10-2 that moves towards with power transmission shaft on the forward and backward surface of insulation shift fork, be in transmission connection to stir the drive mechanism that corresponding arc control device moving conductive rod moves forward and backward when the power transmission shaft reciprocally swinging to being provided with corresponding arc control device moving conductive rod on two shift fork arm 10-1 inboards of each shift fork that insulate, drive mechanism comprise on two shift fork arms that are flush-mounted in corresponding shift fork and projection towards relative transmission projection 28.In other embodiment of this circuit breaker toggle mechanism: power transmission shaft also can have a plurality of rod journals, and the shift fork that respectively insulate this moment can be arranged at respectively on the corresponding rod journal; Certainly power transmission shaft also can be a d-axis structure; The forward and backward surface of insulation shift fork also can be planar structure; The circumferential elongated slot that is arranged on the moving sleeve can be arranged on the shift fork arm of insulation shift fork, and the elongated slot on the shift fork arm has constituted drive mechanism at this moment, and need set firmly the transmission projection that cooperates transmission with elongated slot at moving sleeve accordingly.The circuit breaker toggle mechanism is used for the three-phase combined type vacuum circuit-breaker in the present embodiment, and this circuit breaker toggle mechanism also can be used for other type circuit breaker certainly.
Claims (10)
1. circuit breaker toggle mechanism, comprise the power transmission shaft that drives for by corresponding operating mechanism, it is characterized in that: its axially spaced-apart of power transmission shaft upper edge is installed with three and is respectively applied to the insulation shift fork corresponding with each phase arc control device moving conductive rod, each shift fork that insulate all be arranged in parallel, on two shift fork arm inboards of each shift fork that insulate to being provided with for being in transmission connection to stir the drive mechanism that corresponding arc control device moving conductive rod moves forward and backward when the power transmission shaft reciprocally swinging with corresponding arc control device moving conductive rod.
2. circuit breaker toggle mechanism according to claim 1, it is characterized in that: described power transmission shaft is a bent axle, and described insulation shift fork is arranged on the rod journal of described bent axle.
3. circuit breaker toggle mechanism according to claim 1 is characterized in that: be provided with the radially consistent wavy shaped configuration of moving towards with power transmission shaft on the forward and backward surface of described insulation shift fork.
4. according to any described circuit breaker toggle mechanism of claim 1 ~ 3, it is characterized in that: described drive mechanism comprise on two shift fork arms that are flush-mounted in corresponding shift fork and projection towards relative transmission projection.
5. three-phase combined type vacuum circuit-breaker, comprise three arc control device moving conductive rods and under corresponding operating mechanism drives, drive the toggle mechanism that each arc control device moving conductive rod moves forward and backward, toggle mechanism comprises axially and extending along left and right directions, and the power transmission shaft that is in transmission connection with the clutch end of operating mechanism, it is characterized in that: its axially spaced-apart of described power transmission shaft upper edge is installed with three insulation shift forks corresponding with each moving conductive rod respectively, on two shift fork arm inboards of each shift fork that insulate to being provided with the drive mechanism that is in transmission connection and moves forward and backward with the corresponding arc control device moving conductive rod that fluctuates when the power transmission shaft reciprocally swinging with corresponding arc control device moving conductive rod.
6. three-phase combined type vacuum circuit-breaker according to claim 5, it is characterized in that: described power transmission shaft is a bent axle, and described insulation shift fork is arranged on the rod journal of described bent axle.
7. three-phase combined type vacuum circuit-breaker according to claim 5 is characterized in that: be provided with the radially consistent wavy shaped configuration of moving towards with power transmission shaft on the forward and backward surface of described insulation shift fork.
8. according to any described three-phase combined type vacuum circuit-breaker of claim 5 ~ 8, it is characterized in that: the described shift fork that respectively insulate is in transmission connection by touch spring device and each arc control device moving conductive rod of correspondence respectively.
9. three-phase combined type vacuum circuit-breaker according to claim 8, it is characterized in that: described touch spring device comprises the coaxial fixed muffle that has that is fixedly set on the corresponding arc control device moving conductive rod, the front end of fixed muffle turns up the fixing spring seat, moving sleeve is equipped with along the coaxial fairlead of fore-and-aft direction in the periphery of described fixed muffle, in the rear of fixing spring seat, turn over the mobile spring seat that is oppositely arranged with the fixing spring seat on the moving sleeve, fixing, be top-loaded with at least two touch springs between the mobile spring seat, each touch spring is circumferentially evenly arranged along described arc control device moving conductive rod, be installed with on the fixed muffle and move and the position limiting structure of separating brake make moving sleeve drive fixed muffle and arc control device moving conductive rod for cooperating with the moving sleeve block after, described drive mechanism comprises on two shift fork arm inboards that are flush-mounted in corresponding shift fork, and projection offers two circumferential elongated slots that supply two transmission projection transmission plug-in mountings on the corresponding shift fork respectively towards relative transmission projection on the barrel of described moving sleeve.
10. three-phase combined type vacuum circuit-breaker according to claim 9, it is characterized in that: be provided with the arc control device static conductive rod with the coaxial setting of arc control device moving conductive rod in the arc control device of described three-phase combined type vacuum circuit-breaker, arc control device are quiet, the opposing end of moving conductive rod is powered with quiet termination electrode and moved end electrode respectively, quiet termination electrode comprises and the coaxial quiet end conducting rod that is electrically connected of static conductive rod, the moved end electrode comprises the moved end conducting rod with the coaxial setting of moving conductive rod, described moved end conducting rod is provided with the conductive hole that axially extends along fore-and-aft direction near an end of arc control device moving conductive rod, the rear end mobile guide of described arc control device moving conductive rod is plugged in the described conductive hole, be interval with at least two circle watchband fingertips along fore-and-aft direction between the hole wall of described conductive hole and the described arc control device moving conductive rod, the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole by described watchband fingertip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038011 CN203134682U (en) | 2013-01-24 | 2013-01-24 | Three-phase common-case vacuum circuit breaker and breaker dial mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038011 CN203134682U (en) | 2013-01-24 | 2013-01-24 | Three-phase common-case vacuum circuit breaker and breaker dial mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN203134682U true CN203134682U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320038011 Expired - Lifetime CN203134682U (en) | 2013-01-24 | 2013-01-24 | Three-phase common-case vacuum circuit breaker and breaker dial mechanism |
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| CN (1) | CN203134682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123881A (en) * | 2013-01-24 | 2013-05-29 | 平高集团有限公司 | Three phase total box vacuum circuit breaker and circuit breaker toggle mechanism thereof |
-
2013
- 2013-01-24 CN CN 201320038011 patent/CN203134682U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123881A (en) * | 2013-01-24 | 2013-05-29 | 平高集团有限公司 | Three phase total box vacuum circuit breaker and circuit breaker toggle mechanism thereof |
| CN103123881B (en) * | 2013-01-24 | 2015-07-01 | 平高集团有限公司 | Three phase total box vacuum circuit breaker and circuit breaker toggle mechanism thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20150701 |
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| RGAV | Abandon patent right to avoid regrant |