CN203134683U - Transmission shaft for breaker and breaker dial mechanism using transmission shaft - Google Patents
Transmission shaft for breaker and breaker dial mechanism using transmission shaft Download PDFInfo
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- CN203134683U CN203134683U CN 201320038019 CN201320038019U CN203134683U CN 203134683 U CN203134683 U CN 203134683U CN 201320038019 CN201320038019 CN 201320038019 CN 201320038019 U CN201320038019 U CN 201320038019U CN 203134683 U CN203134683 U CN 203134683U
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- shift fork
- transmission shaft
- connecting rod
- power transmission
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 102
- 230000007246 mechanism Effects 0.000 title claims abstract description 57
- 238000009413 insulation Methods 0.000 claims abstract description 39
- 230000035515 penetration Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 3
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract 3
- 230000003068 static effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a transmission shaft for a breaker and a breaker dial mechanism using the transmission shaft. The breaker dial mechanism comprises the transmission shaft driven by a corresponding operation mechanism, wherein the transmission shaft comprises a crankshaft body including a main shaft diameter, a connection rod and a connection rod shaft diameter, the main shaft diameter is in transmission connection with a power output end of the corresponding operation mechanism, the connection rod shaft diameter is a flat plate-shaped structure, the connection rod shaft diameter is fixedly provided with three insulation shift forks through shift fork fixing structures along an axial direction with internals, the insulation shift fork respectively corresponds to each phase explosion chamber moving conduction rod, each insulation shift fork is respectively arranged in parallel, inner sides of two insulation shift fork arms of each insulation shift fork are symmetrically provided with transmission mechanisms which are in transmission connection with the corresponding phase explosion chamber moving conduction rods, and the transmission mechanisms drive the phase explosion chamber moving conduction rods to move back and forth when the transmission shaft swings back and forth. The breaker dial mechanism solves problems of complex structure, long transmission stroke and low transmission efficiency existing in a breaker dial mechanism in the prior art.
Description
Technical field
The utility model relates to field of circuit breakers, relates in particular to circuit breaker with power transmission shaft and uses the circuit breaker toggle mechanism of this power transmission shaft.
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 improve a kind of circuit breaker power transmission shaft, grows and the low problem of transmission efficiency with the complex structure, the transmission stroke that solve existing circuit breaker toggle mechanism; The purpose of this utility model also is to provide a kind of circuit breaker toggle mechanism that uses this power transmission shaft.
In order to address the above problem, circuit breaker with the technical scheme of power transmission shaft is in the utility model:
The circuit breaker power transmission shaft, comprise have main shaft diameter, the bent axle body of connecting rod and connecting rod journal diameter, described main shaft diameter is used for being in transmission connection with the clutch end of corresponding operating mechanism, and its axially spaced-apart of described connecting rod journal diameter upper edge is provided with three shift fork fixed structures that are respectively applied to fix the insulation shift fork corresponding with each.
Described connecting rod journal diameter has one.
Described connecting rod journal diameter is a flat slab structure, described slab structure has two mounting panel faces that are oppositely arranged, and each described shift fork fixed structure includes two mounting panel faces that run through the connecting rod journal diameter corresponding position and realizes connecting rod journal diameter and the fixing bolt penetration hole of assembling of corresponding insulation shift fork for corresponding connecting bolt installs.
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, described power transmission shaft comprises having main shaft diameter, the bent axle body of connecting rod and connecting rod journal diameter, described main shaft diameter is used for being in transmission connection with the clutch end of corresponding operating mechanism, described connecting rod journal diameter is a flat platy structure, be installed with three by the shift fork fixed structure along its axially spaced-apart on the described connecting rod journal diameter and be 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 connecting rod journal diameter is a flat slab structure, described slab structure has two mounting panel faces that are oppositely arranged, and described shift fork fixed structure includes two mounting panel faces that run through the connecting rod journal diameter corresponding position and realizes connecting rod journal diameter and the fixing bolt penetration hole of assembling of corresponding insulation shift fork for corresponding connecting bolt installs.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 beneficial effects of the utility model are: power transmission shaft is stirred the arc control device moving conductive rod and is moved forward and backward by the insulation shift fork, whole toggle mechanism simple in structure, the transmission stroke short, 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; The insulation shift fork is arranged on the connecting rod journal diameter of power transmission shaft, the transmission efficiency of shift fork not only can guarantee to insulate, also increased the creepage distance between corresponding arc control device moving conductive rod and the power transmission shaft, under the situation that guarantees insulation, further reduce the products radial size, make the structure of entire product compacter.
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.
Description of drawings
Fig. 1 is the structural representation in the utility model background technology;
Fig. 2 is the structural representation of the embodiment of circuit breaker toggle mechanism in the utility model, also is simultaneously the use state diagram that circuit breaker is used the embodiment of power transmission shaft in the utility model;
Fig. 3 is the structural representation of power transmission shaft among Fig. 2, also is the structural representation of the embodiment of power transmission shaft in the utility model simultaneously;
Fig. 4 is the structural representation of insulation shift fork among Fig. 2;
Fig. 5 is the use state diagram of Fig. 2;
Fig. 6 is the schematic diagram that cooperates of dynamic and static termination electrode and arc control device moving conductive rod among Fig. 5;
Fig. 7 is the schematic diagram that cooperates of moving sleeve and fixed muffle among Fig. 6.
Embodiment
Circuit breaker is with the embodiment of power transmission shaft as shown in Figure 3: comprise having main shaft diameter 23, the bent axle body of connecting rod 25 and connecting rod journal diameter 26, main shaft diameter is used for being in transmission connection with the clutch end of corresponding operating mechanism, connecting rod journal diameter has one and for flat slab structure, its axially spaced-apart of connecting rod journal diameter 26 upper edges is provided with three shift fork fixed structures that are respectively applied to fix the insulation shift fork corresponding with each, and the shift fork fixed structure includes two mounting panel faces that run through the connecting rod journal diameter corresponding position are realized connecting rod journal diameter and the fixing assembling of corresponding insulation shift fork for corresponding connecting bolt installs bolt penetration hole 26-1.
In this circuit breaker other embodiment with power transmission shaft: connecting rod journal diameter can also have a plurality of, and this moment, each shift fork fixed structure all was arranged on the corresponding connecting rod journal diameter; Connecting rod journal diameter also can be cylindricality or other shape; The shift fork fixed structure also can be bonded structure.
The embodiment of circuit breaker toggle mechanism is shown in Fig. 2 ~ 7: 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, the concrete structure of power transmission shaft is identical with the embodiment of power transmission shaft with above-mentioned each circuit breaker, be not described in detail in this, on rod journal 26, be provided with three insulation shift forks 10 corresponding with each arc control device moving conductive rod respectively by the shift fork fixed structure along its axially spaced-apart, each shift fork 10 that insulate is arranged in parallel, and insulation shift fork 10 is formed by the epoxy resin integral cast.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; 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.
During use this toggle mechanism is placed the three-phase combined type circuit breaker, wherein the three-phase combined type circuit breaker 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.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 opposing end of moving conductive rod, 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, 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 work, 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: 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.
Claims (6)
1. circuit breaker power transmission shaft, it is characterized in that: comprise have main shaft diameter, the bent axle body of connecting rod and connecting rod journal diameter, described main shaft diameter is used for being in transmission connection with the clutch end of corresponding operating mechanism, and its axially spaced-apart of described connecting rod journal diameter upper edge is provided with three shift fork fixed structures that are respectively applied to fix the insulation shift fork corresponding with each.
2. circuit breaker power transmission shaft according to claim 1, it is characterized in that: described connecting rod journal diameter has one.
3. circuit breaker power transmission shaft according to claim 1 and 2, it is characterized in that: described connecting rod journal diameter is a flat slab structure, described slab structure has two mounting panel faces that are oppositely arranged, and each described shift fork fixed structure includes two mounting panel faces that run through the connecting rod journal diameter corresponding position and realizes connecting rod journal diameter and the fixing bolt penetration hole of assembling of corresponding insulation shift fork for corresponding connecting bolt installs.
4. circuit breaker toggle mechanism, comprise the power transmission shaft that drives for by corresponding operating mechanism, it is characterized in that: described power transmission shaft comprises having main shaft diameter, the bent axle body of connecting rod and connecting rod journal diameter, described main shaft diameter is used for being in transmission connection with the clutch end of corresponding operating mechanism, described connecting rod journal diameter is a flat platy structure, be installed with three by the shift fork fixed structure along its axially spaced-apart on the described connecting rod journal diameter and be 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.
5. circuit breaker toggle mechanism according to claim 4, it is characterized in that: described connecting rod journal diameter is a flat slab structure, described slab structure has two mounting panel faces that are oppositely arranged, and described shift fork fixed structure includes two mounting panel faces that run through the connecting rod journal diameter corresponding position and realizes connecting rod journal diameter and the fixing bolt penetration hole of assembling of corresponding insulation shift fork for corresponding connecting bolt installs.
6. according to claim 4 or 5 described circuit breaker toggle mechanisms, it 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038019 CN203134683U (en) | 2013-01-24 | 2013-01-24 | Transmission shaft for breaker and breaker dial mechanism using transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038019 CN203134683U (en) | 2013-01-24 | 2013-01-24 | Transmission shaft for breaker and breaker dial mechanism using transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203134683U true CN203134683U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320038019 Expired - Fee Related CN203134683U (en) | 2013-01-24 | 2013-01-24 | Transmission shaft for breaker and breaker dial mechanism using transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203134683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123880A (en) * | 2013-01-24 | 2013-05-29 | 平高集团有限公司 | Transmission shaft for circuit breaker and circuit breaker poking mechanism using same |
-
2013
- 2013-01-24 CN CN 201320038019 patent/CN203134683U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123880A (en) * | 2013-01-24 | 2013-05-29 | 平高集团有限公司 | Transmission shaft for circuit breaker and circuit breaker poking mechanism using same |
| CN103123880B (en) * | 2013-01-24 | 2015-07-15 | 平高集团有限公司 | Transmission shaft for circuit breaker and circuit breaker poking mechanism using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151225 Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee after: Pinggao Group Co., Ltd. Patentee after: State Grid Corporation of China Patentee after: Henan high General Electric Co., Ltd. Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: Pinggao Group Co., Ltd. Patentee before: State Grid Corporation of China |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20180124 |