CN104143482A - Assembly fixture for three-phase breaker transmission mechanism - Google Patents
Assembly fixture for three-phase breaker transmission mechanism Download PDFInfo
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- CN104143482A CN104143482A CN201310448165.0A CN201310448165A CN104143482A CN 104143482 A CN104143482 A CN 104143482A CN 201310448165 A CN201310448165 A CN 201310448165A CN 104143482 A CN104143482 A CN 104143482A
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- transmission shaft
- power transmission
- locating
- base
- locating piece
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Abstract
The invention relates to an assembly fixture for a three-phase breaker transmission mechanism. The assembly fixture for the three-phase breaker transmission mechanism comprises a base, a transmission shaft locating mechanism and a shifting fork locating mechanism, wherein the transmission shaft locating mechanism and the shifting fork locating mechanism are arranged on the base, the transmission shaft locating mechanism comprises a transmission shaft supporting seat fixedly arranged on the base, the transmission supporting seat is provided with a supporting shaft hole, and the transmission shaft locating mechanism further comprises a transmission shaft limiting structure which is used for being in limiting matching with a transmission shaft and preventing the transmission shaft from rotating in the circumferential direction and moving in the axial direction. The shifting fork locating mechanism comprises three locating blocks which are fixed to the base in the left-and-right direction in a spaced mode according to the three-phase distance of a breaker, the left end face and the right end face of each locating block are a pair of plane structures with the stretching direction perpendicular to the left-and-right direction, the orientations of the pair of plane structures are opposite to each other, and the left end face and the right end face of each locating block are used for achieving locating matching with the opposite end faces of two shifting blocks of a corresponding insulating shifting fork through surface contact. The assembly fixture for the three-phase breaker transmission mechanism can guarantee the phase distance among all insulating shifting forks.
Description
Technical field
The present invention relates to the assembly tooling of a kind of three-phase breaker transmission mechanism.
Background technology
Existing circuit breaker comprises three major loop structures with dynamic and static termination electrode, and the operating mechanism that drives each mutually dynamic and static termination electrode to divide, close a floodgate by transmission mechanism, and make in order to realize the miniaturization of three-phase combined type circuit breaker, the transmission mechanism of circuit breaker often also needs to have compact conformation and the high feature of transmission efficiency.The concrete structure of this driving gear of breaker with compact conformation and the high feature of transmission efficiency is as Figure 1-3: comprise axially and extending along left and right directions, the power transmission shaft 1 that the clutch end of Bing Yu corresponding operating mechanism is in transmission connection, power transmission shaft is one and has main shaft diameter 1-1, the bent axle of connecting rod 1-2 and connecting rod journal diameter 1-3, on the connecting rod journal diameter of power transmission shaft, along it, axially by shift fork connecting bolt interval, be installed with three insulation shift forks 3 corresponding with each phase major loop structure respectively, on two shift fork arms of each shift fork that insulate, all to being provided with, a pair ofly for stirring the moving conductive rod of corresponding moved end electrode, move forward and backward and realize corresponding moving, quiet termination electrode closes, the columniform shifting block 2 of separating brake.Existing this transmission mechanism is when assembling, main empirical method guarantee respectively to insulate spaced apart between shift fork and the alignment between the shifting block of the shift fork that respectively insulate of relying on, this dependence experience is assembled insulation shift fork and power transmission shaft mode, can cause efficiency of assembling not high low with assembly precision; Because the spaced apart between each insulation shift fork can not be guaranteed, can affect the insulation property of circuit breaker simultaneously; The alignment of shifting block of shift fork of respectively insulating in addition can not guarantee, can affect the transmission consistency of three phase isolated shift fork, thus the consistency of each mutually dynamic and static termination electrode divide-shut brake of impact.
Summary of the invention
The object of the present invention is to provide a kind of three-phase breaker transmission mechanism assembly tooling of the spaced apart between shift fork of can guaranteeing respectively to insulate.
In order to address the above problem, technical scheme of the present invention is:
The assembly tooling of three-phase breaker transmission mechanism, the power transmission shaft detent mechanism and the shifting fork positioning mechanism that comprise base and upper setting thereof, power transmission shaft detent mechanism comprises the power transmission shaft supporting seat being fixedly arranged on base, on power transmission shaft supporting seat, be provided with axially along left and right directions and extend and support axis hole for installing for corresponding power transmission shaft, power transmission shaft detent mechanism also comprises for stop power transmission shaft circumferentially to rotate and axially movable power transmission shaft position limiting structure with spacing cooperation of power transmission shaft; Shifting fork positioning mechanism comprises and by circuit breaker three spaced apart, along left and right directions interval, is fixed on three locating pieces on base, the left and right both ends of the surface of each locating piece are that a pair of bearing of trend is vertical with left and right directions and towards opposing planar structure, the left and right end face of each locating piece contacts location cooperation for the opposing end surface of two shifting blocks with on corresponding insulation shift fork by face.
On described each locating piece, in the below of each planar structure, be provided with the positioning step of evagination, the step locating surface that positioning step has is that block is directed upwardly, coordinate for the shifting block outer peripheral face block with corresponding insulation shift fork, the height of the step locating surface of each positioning step on described three locating pieces is all identical.
Described locating piece is arranged on base by location structure, location structure comprises along spaced apart three location notchs being located on described base upper surface of left and right directions, the bottom difference positioning and plug-in mounting of described each locating piece is in corresponding location notch, on described each locating piece, be provided with the first screwed hole, on the cell wall of corresponding location notch or bottom land, be provided with corresponding the realization for respective bolt installs in the first screwed hole position each locating piece is fixed on to the bolt penetration hole in corresponding location notch.
Described power transmission shaft supporting seat comprises the spaced left and right bearing in left and right, described support axis hole comprises left support axis hole and the right support axis hole being arranged at respectively on left and right bearing, described power transmission shaft position limiting structure comprises and is arranged at the second screwed hole on a left side and/or right support abutment, run through respectively corresponding bearing along left and right directions, is installed with locking end and for the corresponding end connecting rod top interference fit with power transmission shaft, limits power transmission shaft and circumferentially rotate and axially movable clamping screw in described the second screwed hole.
Described left and right bearing is bolted that structure is removable to be fixed on base.
Beneficial effect of the present invention is: during use, power transmission shaft is placed on power transmission shaft supporting seat, by position limiting structure, limit the circumferential rotation of power transmission shaft and move axially, three locating pieces are fixed on base, spacing between adjacent positioned piece is corresponding with the spaced apart of three-phase breaker respectively, a left side for each locating piece, right side coordinates with the opposing end surface contact location of corresponding two shifting blocks on shift fork that insulate respectively, so just guaranteed the spaced apart between adjacent two insulation shift forks, thereby guarantee the insulation property of circuit breaker, a left side for locating piece, right side contacts cooperation with the opposing end surface of two shifting blocks of insulation shift fork respectively, the shift fork that can also guarantee to insulate can not deflect in position fixing process.
Further, the step locating surface of each positioning step is all limited in sustained height by the shifting block on each insulation shift fork, thereby has guaranteed the alignment of the shifting block of the shift fork that respectively insulate, and has so just guaranteed the consistency of insulation shift fork transmission.
Accompanying drawing explanation
Fig. 1 is the structural representation of transmission mechanism in background technology of the present invention;
Fig. 2 is the structural representation of power transmission shaft in Fig. 1;
Fig. 3 is the structural representation of shift fork of insulating in Fig. 1;
Fig. 4 is the structural representation that in the present invention, three-phase breaker transmission mechanism is used an embodiment of assembly tooling;
Fig. 5 is the right view of Fig. 4;
Fig. 6 is the vertical view of Fig. 4;
Fig. 7 is the structural representation of base in Fig. 4;
Fig. 8 is the use state diagram of Fig. 4;
Fig. 9 is the structural representation of left support abutment in Fig. 4;
Figure 10 is the structural representation of locating piece in Fig. 4.
Embodiment
Three-phase breaker transmission mechanism with the embodiment of assembly tooling as shown in Fig. 4 ~ 10: the power transmission shaft detent mechanism and the shifting fork positioning mechanism that comprise base 4 and upper setting thereof.Power transmission shaft detent mechanism comprises power transmission shaft supporting seat, power transmission shaft supporting seat comprises removable left support abutment 5 and the right support abutment being fixed on base 4 that is bolted structure 7 left and right intervals, is respectively arranged with axially along left and right directions extension left support axis hole 14 and right support axis hole for installing for corresponding power transmission shaft on left and right bearing.Power transmission shaft detent mechanism also comprises for stop power transmission shaft circumferentially to rotate and axially movable power transmission shaft position limiting structure with spacing cooperation of power transmission shaft, position limiting structure comprises along being installed with locking end during left and right directions runs through the second screwed hole 13, the second screwed holes 13 of left support abutment and for the left end connecting rod 8 top interference fits with power transmission shaft 10, limits power transmission shaft 10 and circumferentially rotate and axially movable clamping screw 6.Shifting fork positioning mechanism comprises by location structure and is fixedly arranged on three locating pieces 11 on base, three locating pieces arrange along left and right directions interval, spacing between adjacent positioned piece is corresponding with the spaced apart of three-phase breaker respectively, location structure comprises be arranged in along left and right directions interval on base upper surface three location notch 4-1s corresponding with each locating piece respectively, the bottom 17 difference positioning and plug-in mountings of each locating piece are in corresponding location notch, on the lower surface of each locating piece, be provided with the first screwed hole 18 that axis extends along the vertical direction, on the bottom land of corresponding location notch, be provided with for respective bolt install realize each locating piece corresponding to each the first screwed hole position and be fixed on the bolt penetration hole in corresponding location notch.The upper end of locating piece is for passing between two shift fork arms by correspondence insulation shift fork, a left side for locating piece upper end, right side is that a pair of bearing of trend is vertical with left and right directions, and towards opposing planar structure 15, this left side, right side contacts location cooperation for the opposing end surface of two shifting blocks with on corresponding insulation shift fork by face, the upper end of each locating piece is left, distance between right side respectively with the opposing end surface of two shift fork pieces on corresponding insulation shift fork between distance equate, on each locating piece, in the below of each planar structure, be provided with the positioning step 16 of evagination, positioning step has that block is directed upwardly, the step locating surface 16-1 coordinating for the shifting block outer peripheral face block with corresponding insulation shift fork, the height of the step locating surface of each positioning step on three locating pieces is all identical.
This assembly tooling in use, is first bolted structure left and right bearing is fixed on base, spinning clamping screw in the second screwed hole of left support abutment, each locating piece is distinguished to location and installation in corresponding location notch, the spacing realizing between each locating piece guarantees, then the opposing end surface of adjusting two columniform shifting blocks on corresponding insulation shift fork respectively with the left side of corresponding locating convex block upper end, right side is adjacent to, step confined planes by each positioning step guarantee respectively the to insulate height of the shifting block on shift fork is consistent simultaneously, this has just realized when accurately guaranteeing the spaced apart of insulation shift fork, also guaranteed the consistency of each shifting block alignment and three-phase shifting block, finally make transmission accuracy and the three-phase synchronism of whole transmission mechanism greatly improve, then the left end connecting rod top interference fit of the locking end of clamping screw and power transmission shaft and limit moving axially and circumferentially rotating of power transmission shaft, compare empirical method adjustment assembly, not only improve efficiency of assembling, and transmission accuracy and insulation property have well been guaranteed.
In other embodiments of the invention: each locating piece also can weld and be fixedly arranged on base, each locating piece can also be fixed on base by an integrally-built pedestal; Power transmission shaft supporting seat also can only have a bearing, now transmission axle suspension is loaded on this bearing, position limiting structure can be also the radial screw bore being arranged on bearing, now clamping screw spinning in radial screw bore, the main shaft diameter top interference fit of the locking end of clamping screw and power transmission shaft.
Claims (5)
1. three-phase breaker transmission mechanism assembly tooling, it is characterized in that: the power transmission shaft detent mechanism and the shifting fork positioning mechanism that comprise base and upper setting thereof, power transmission shaft detent mechanism comprises the power transmission shaft supporting seat being fixedly arranged on base, on power transmission shaft supporting seat, be provided with axially along left and right directions and extend and support axis hole for installing for corresponding power transmission shaft, power transmission shaft detent mechanism also comprises for stop power transmission shaft circumferentially to rotate and axially movable power transmission shaft position limiting structure with spacing cooperation of power transmission shaft; Shifting fork positioning mechanism comprises and by circuit breaker three spaced apart, along left and right directions interval, is fixed on three locating pieces on base, the left and right both ends of the surface of each locating piece are that a pair of bearing of trend is vertical with left and right directions and towards opposing planar structure, the left and right end face of each locating piece contacts location cooperation for the opposing end surface of two shifting blocks with on corresponding insulation shift fork by face.
2. three-phase breaker transmission mechanism according to claim 1 assembly tooling, it is characterized in that: the positioning step that is provided with evagination on described each locating piece in the below of each planar structure, the step locating surface that positioning step has is that block is directed upwardly, coordinate for the shifting block outer peripheral face block with corresponding insulation shift fork, the height of the step locating surface of each positioning step on described three locating pieces is all identical.
3. three-phase breaker transmission mechanism according to claim 1 assembly tooling, it is characterized in that: described locating piece is arranged on base by location structure, location structure comprises along spaced apart three location notchs being located on described base upper surface of left and right directions, the bottom difference positioning and plug-in mounting of described each locating piece is in corresponding location notch, on described each locating piece, be provided with the first screwed hole, on the cell wall of corresponding location notch or bottom land, be provided with corresponding the realization for respective bolt installs in the first screwed hole position each locating piece is fixed on to the bolt penetration hole in corresponding location notch.
4. according to the three-phase breaker transmission mechanism assembly tooling described in claim 1 ~ 3 any one, it is characterized in that: described power transmission shaft supporting seat comprises a spaced left side, left and right, right support abutment, described support axis hole comprises and is arranged at respectively a left side, left support axis hole on right support abutment and right support axis hole, described power transmission shaft position limiting structure comprises and being arranged on a left side and/or right support abutment, the second screwed hole that runs through respectively corresponding bearing along left and right directions, in described the second screwed hole, be installed with locking end and for the corresponding end connecting rod top interference fit with power transmission shaft, limit power transmission shaft circumferentially rotation and axially movable clamping screw.
5. three-phase breaker transmission mechanism according to claim 4 assembly tooling, is characterized in that: described left and right bearing is bolted that structure is removable to be fixed on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448165.0A CN104143482B (en) | 2013-09-27 | 2013-09-27 | The assembly tooling of three-phase breaker transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448165.0A CN104143482B (en) | 2013-09-27 | 2013-09-27 | The assembly tooling of three-phase breaker transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104143482A true CN104143482A (en) | 2014-11-12 |
| CN104143482B CN104143482B (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310448165.0A Expired - Fee Related CN104143482B (en) | 2013-09-27 | 2013-09-27 | The assembly tooling of three-phase breaker transmission mechanism |
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| Country | Link |
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| CN (1) | CN104143482B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711538A (en) * | 2018-07-17 | 2018-10-26 | 河南森源电气股份有限公司 | Breaker assembling and setting positioning tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645187U (en) * | 2010-03-26 | 2010-11-24 | 河南平高电气股份有限公司 | Transmission shaft and locking device matching drilling tool |
| CN102025118A (en) * | 2009-09-18 | 2011-04-20 | 株式会社东芝 | Gas insulating switch device |
| 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 |
| 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 |
| CN203062329U (en) * | 2012-12-20 | 2013-07-17 | 重庆市永川区飞达机械有限责任公司 | Milling shift fork end face jig |
-
2013
- 2013-09-27 CN CN201310448165.0A patent/CN104143482B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025118A (en) * | 2009-09-18 | 2011-04-20 | 株式会社东芝 | Gas insulating switch device |
| CN201645187U (en) * | 2010-03-26 | 2010-11-24 | 河南平高电气股份有限公司 | Transmission shaft and locking device matching drilling tool |
| CN203062329U (en) * | 2012-12-20 | 2013-07-17 | 重庆市永川区飞达机械有限责任公司 | Milling shift fork end face jig |
| 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 |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711538A (en) * | 2018-07-17 | 2018-10-26 | 河南森源电气股份有限公司 | Breaker assembling and setting positioning tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104143482B (en) | 2016-03-02 |
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Granted publication date: 20160302 |