CN202905570U - Three-phase mechanical linkage connection mechanism of circuit breaker - Google Patents
Three-phase mechanical linkage connection mechanism of circuit breaker Download PDFInfo
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- CN202905570U CN202905570U CN 201220597369 CN201220597369U CN202905570U CN 202905570 U CN202905570 U CN 202905570U CN 201220597369 CN201220597369 CN 201220597369 CN 201220597369 U CN201220597369 U CN 201220597369U CN 202905570 U CN202905570 U CN 202905570U
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- circuit breaker
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Abstract
The utility model relates to a three-phase mechanical linkage connection mechanism of a circuit breaker in the technical field of high-voltage switches. The three-phase mechanical linkage connection mechanism comprises a drive connecting rod mechanism, a bracket assembly and single-phase connecting mechanisms, wherein an input end of the drive connecting rod mechanism is connected with an output end of an operating mechanism, an output end of the drive connecting rod mechanism and input ends of the single-phase connecting rod mechanisms are rotatablely arranged on the bracket assembly, and output ends of three single-phase connecting rod mechanisms are connected with three corresponding input ends of a three-pole circuit breaker respectively. Torques outputted by the operating mechanism are outputted to crank arm shafts of the three single-phase connecting rod mechanisms through the drive connecting rod mechanism, and moving contacts in the three-phase circuit breaker are driven by a circuit breaker body to move simultaneously, thereby realizing the operations of opening and closing the circuit breaker.
Description
Technical field
The utility model relates to a kind of device of high-voltage switch gear technical field, specifically a kind of circuit breaker three phase mechanical linkage bindiny mechanism.
Background technology
No matter under any circumstance what the 252kvGIS circuit breaker transmission device mostly adopted in the market is three-phase independence operating mechanism, for the primary cut-out that is used for protecting transformer, require circuit breaker, and all must three-phase moving simultaneously is three-phase ganged.That present three-phase ganged mode has is electric-linked, fluid pressure linkage and mechanical linkage etc.Wherein all there is certain limitation in electric-linked and fluid pressure linkage, and higher divide-shut brake synchronism can't be provided, and also has the non-complete mutually hidden danger of operation of circuit breaker simultaneously.Mechanical linkage effectively improves these problems.
Find through the retrieval to prior art, a kind of " three-phase mechanical linkage device that is used for the combined electrical apparatus circuit breaker " of China Patent Publication No. CN 201611628U record, each phase post of the three-phase post of this technology is equipped with connecting lever, link to each other by kinematic link between the connecting lever of three-phase post, wherein the connecting lever of a side phase post links to each other with main shaft.Operating mechanism is arranged in a side of circuit breaker three-phase post, be arranged in the combined electrical apparatus current transformer under, but this technical battery's linkage to minute, switching synchronization in order to be effective not good.
China Patent Publication No. CN 201812729U has put down in writing a kind of " 252kVGIS three-phase mechanical linkage circuit breaker transmission device ", the three-phase breaker of this technology shares an operating mechanism, operating mechanism is arranged on the top of mechanism's chamber assembling and support, transmission bracket is connected with middle phase connecting lever by connecting lever, realizes mechanical connection by interphase connecting rod between middle phase connecting lever and the limit phase connecting lever.But the assembling of each connecting lever inconvenience in the bindiny mechanism in this technology.
The utility model content
The utility model is for the prior art above shortcomings, a kind of circuit breaker three phase mechanical linkage bindiny mechanism is proposed, the gas insulation metal seal combined electrical apparatus that is used for 252kV, the whole horizontal arrangement that adopts, by with a bindiny mechanism, three-phase breaker can be equipped with respectively hydraulic spring mechanism and spring mechanism, and the rotation by same main shaft behind the signal of receiving hydraulic spring mechanism or spring mechanism drives the motion of body contact, so that synchronism can access good assurance.
The utility model is achieved through the following technical solutions, the utility model comprises: drive link mechanism, bracket component and single-phase linkage, wherein: drive link Mechanism input end links to each other with the output of operating mechanism, the common rotation of the input of output and single-phase linkage is arranged on the bracket component, the output of three the single-phase linkages respectively input corresponding with three of three-phase breaker links to each other, exported to the connecting lever axle of three single-phase linkages by drive link mechanism by the moment of torsion of operating mechanism output, the moving contact that drives in the three-phase breaker by breaker body moves simultaneously, realizes dividing of circuit breaker, closing operation.
Described drive link mechanism comprises: moment of torsion input connecting lever, first connecting rod and main connecting lever, wherein: the first connecting rod two ends are connected with an end of moment of torsion input connecting lever and main connecting lever respectively by straight pin, and the other end and the bracket component of main connecting lever are rotationally connected.
Described bracket component comprises: support and rotation are arranged at the transmission main shaft on the support, and wherein: transmission main shaft is arranged at the high strength cast aluminium by bearing and casts on the inverted L shape structure stand that forms.
Described single-phase linkage comprises: single-phase output toggle arm, second is regulated joint, second connecting rod and single-phase outer connecting lever, wherein: an end of single-phase output toggle arm is connected with the mode of transmission main shaft with all directions axle, the other end of single-phase output toggle arm is regulated joint by straight pin and second and is connected, one end of second connecting rod and second is regulated joint screw thread and is connected, the other end links to each other with single-phase outer connecting lever by straight pin, single-phase outer connecting lever links to each other with interior connecting lever in the breaker body by the connecting lever axle, and then driving the motion of breaker body driving parts, realization divides, closing operation.
The utility model is in assembling process, and transmission main shaft is fixed on the support by the single-row tapered roller bearing of two different sizes; Then be fixedly connected with the middle phase crank arm box of breaker body with the support of the transmission main shaft bolt by some, specific standard, be connected with operating mechanism by bolt simultaneously.Guiding trestle adopts behind the Plate Welding machine to add and forms, and is disk-like structure, and along stretching out a floor perpendicular to the direction of card, and pilot hole of processing provides guiding for the hydraulic mechanism stroke lever on this plate, increases the stability of hydraulic spring mechanism guide post.Guiding trestle and hydraulic mechanism fitting surface are processed with ringwise positioning tooth, are used for the hydraulic mechanism radial location; This guiding trestle only supports the use when operating mechanism is hydraulic spring mechanism.
Technique effect
The whole horizontal arrangement that adopts of this device, its technique effect comprises:
1, drive mechanism is simple, and transmission efficiency is high;
2, installation, easy to maintenance;
3, the three-phase breaker body is realized simultaneously motion by same main shaft, and synchronism obtains best assurance;
4, can be applied to simultaneously two kinds of occupation modes of hydraulic spring operating mechanism and spring mechanism;
5, volume is little, and compact conformation meets the trend of combined electrical apparatus miniaturization.
Description of drawings
Fig. 1-a is the link gear schematic diagram that contains spring mechanism;
Fig. 1-b is the link gear schematic diagram that contains hydraulic spring mechanism;
Fig. 2 is the utility model structural representation;
Fig. 3 is that the embodiment that contains hydraulic spring mechanism uses schematic diagram;
Fig. 4 is guiding trestle part schematic diagram;
Fig. 5 is the supporting structure schematic diagram;
Fig. 6 is example structure assembling schematic diagram;
Among the figure: 1 spring mechanism, 2 link gears, 3 three-pole breakers, 4 hydraulic spring mechanisms, 5 moments of torsion input connecting lever, 6 first are regulated joint, 7 locking nuts, 8 first connecting rods, 9 main connecting levers, 10 single-phase output toggle arms, 11 supports, 12 transmission main shafts, 13 bearings, 14 second adjusting joints, 15 locking nuts, 16 second connecting rods, 17 single-phase outer connecting levers, 18 interior connecting levers, 19 connecting lever axles.
Embodiment
The below elaborates to embodiment of the present utility model; the present embodiment is implemented under take technical solutions of the utility model as prerequisite; provided detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
Shown in Fig. 1-a and Fig. 1-b, the present embodiment comprises: a of drive link mechanism, bracket component b and single-phase linkage c, wherein: the output of a of drive link mechanism input and operating mechanism (such as the spring mechanism 1 among Fig. 1 a or the hydraulic spring mechanism 4 among Fig. 1 b) links to each other, the common rotation of the input of output and single-phase linkage c is arranged on the bracket component b, the output of three the single-phase linkage c respectively input corresponding with three of three-phase breaker links to each other, exported to the connecting lever axle 19 of three single-phase linkage c by a of drive link mechanism by the moment of torsion of operating mechanism output, by the interior connecting lever 18 in the breaker body, the part such as insulated tension pole and metal pull bar, the final moving contact that drives in the three-phase breaker moves simultaneously, realizes dividing of circuit breaker, closing operation.
As shown in Figures 2 and 3, the described drive link a of mechanism comprises: moment of torsion input connecting lever 5, first connecting rod 8 and main connecting lever 9, wherein: first connecting rod 8 two ends are connected with an end of moment of torsion input connecting lever 5 and main connecting lever 9 respectively by straight pin, and the other end of main connecting lever 9 and bracket component b are rotationally connected.
Described main connecting lever 9 uses forged of ferrous to form, this main connecting lever is realized being connected with the transmission main shaft 12 on being arranged at bracket component b by the form of all directions axle, and to be fixed by bolt-locking. this part is owing to adopting the structure of axle from all directions, can replace solid bar to come transmission main shaft in the machining support assembly with hollow tube, guarantee when alleviating transmission main shaft weight that this transmission main shaft satisfies the requirement of intensity with the caliber of minimum; Processing simultaneously main connecting lever, self to have a required precision low, and easily characteristics are installed.
Described bracket component b comprises: support 11 and rotation are arranged at the transmission main shaft 12 on the support 11, wherein: transmission main shaft 12 forms with the heat treatment of pipe mill adduction, farthest alleviated the quality of part when guaranteeing part strength, and be arranged on the inverted L shape structure stand 11 that the casting of high strength cast aluminium forms by bearing.
As shown in Figure 5, the vertical plane one middle side part zone of described support 11 is provided with engraved structure d, this structure has effectively reduced the large scale foundry goods because central area liquid metal feeding forms the probability of the casting flaws such as shrinkage porosite, shrinkage cavity, improve the intensity of part, also reduced quality, the material cost of part simultaneously.
Described support 11 is installed a contacted side with the crank arm box in the breaker body and is provided with triangle reinforcement 21, the setting of this triangle reinforcement, the strength and stiffness that guarantee support can satisfy the instructions for use of two kinds of mechanisms, simultaneously farthest weight reduction, optimization mechanism case distribution of force situation.
When adopting as shown in Figure 2 hydraulic spring mechanism 4 as operating mechanism, need guiding trestle 21 to assist at described bracket component b at right side disk machined surface, first guiding trestle is installed in by bolt on the adapter sleeve of hydraulic spring mechanism, both position by the seam on mechanism's adapter sleeve and the positioning tooth on the guiding trestle; Both make as a whole installing hole by the guiding trestle outside, are fixed by bolts on the support, and also be to realize accurate location by seam and positioning tooth on support and the guiding trestle.
As shown in Figure 4, described guiding trestle 20 is disk-like structure, machine work is made after adopting Plate Welding, be provided with floor 22 along the direction perpendicular to card, and on this floor 22, process a pilot hole 23 and provide guiding for the hydraulic mechanism stroke lever, to increase the stability of hydraulic spring mechanism guide post.
One side of described guiding trestle 20 and hydraulic mechanism assembling is provided with the positioning tooth 24 for the ringwise structure of hydraulic mechanism radial location.
Described single-phase linkage c comprises: single-phase output toggle arm 10, second regulates joint 14, second connecting rod 16 and single-phase outer connecting lever 17, wherein: the structure of single-phase output toggle arm 10 is consistent with main connecting lever, the one end is connected with the mode of transmission main shaft 12 with all directions axle, the other end of single-phase output toggle arm 10 is regulated joint 14 by straight pin and second and is connected, one end of second connecting rod 16 and second is regulated joint 14 and is threaded, the other end links to each other with single-phase outer connecting lever 17 by straight pin, single-phase outer connecting lever 17 links to each other with interior connecting lever 18 in the breaker body by connecting lever axle 19, and then drive breaker body built-in electrical insulation pull bar, metal pull bar, the motion of the parts such as contact realizes dividing, closing operation.
As shown in Figure 6, during work, main connecting lever 9 drives 11, three one pole output toggle arms 12 of major axis fixing with connected mode and the major axis 11 of all directions axle under the driving of mechanism, rotate with major axis 11.One pole output toggle arm 12 is realized being connected with joint 14 by pin, and second connecting rod 16 is connected with joint 14 by screw thread, realizes adjustable effect, is convenient to assembling and on-site maintenance.Second connecting rod 16 and single-phase outer connecting lever 17 are connected by straight pin, and single-phase outer connecting lever 17 is connected with connecting lever 18 in the housing by connecting lever axle 19, and operating work is passed to moving contact, and realization divides, closing operation.
The structure that provides according to this device, owing to having optimized bracket component, thereby the overall structure of this behaviour bindiny mechanism also is simplified, when realizing that same transmission main shaft drives the three-phase breaker rotation, reduced to greatest extent asynchrony between each phase circuit breaker, also improved simultaneously this mechanism assembling capacity, safeguard convenience.
Claims (8)
1. circuit breaker three phase mechanical linkage bindiny mechanism, it is characterized in that, comprise: drive link mechanism, bracket component and single-phase linkage, wherein: drive link Mechanism input end links to each other with the output of operating mechanism, the common rotation of the input of output and single-phase linkage is arranged on the bracket component, the output of three the single-phase linkages respectively input corresponding with three of three-pole breaker links to each other, exported to the connecting lever axle of three single-phase linkages by drive link mechanism by the moment of torsion of operating mechanism output, the moving contact that drives in the three-phase breaker by breaker body moves simultaneously, realizes dividing of circuit breaker, closing operation;
Described drive link mechanism comprises: moment of torsion input connecting lever, first connecting rod and main connecting lever, and wherein: the first connecting rod two ends are connected with an end of moment of torsion input connecting lever and main connecting lever respectively by straight pin, and the other end and the bracket component of main connecting lever are rotationally connected;
Described single-phase linkage comprises: single-phase output toggle arm, second is regulated joint, second connecting rod and single-phase outer connecting lever, wherein: an end of single-phase output toggle arm is connected with the mode of transmission main shaft with all directions axle, the other end of single-phase output toggle arm is regulated joint by straight pin and second and is connected, one end of second connecting rod and second is regulated joint screw thread and is connected, the other end links to each other with single-phase outer connecting lever by straight pin, single-phase outer connecting lever links to each other with interior connecting lever in the breaker body by the connecting lever axle, and then driving the motion of breaker body driving parts, realization divides, closing operation.
2. bindiny mechanism according to claim 1 is characterized in that, described bracket component comprises: support and rotation are arranged at the transmission main shaft on the support, and wherein: transmission main shaft is arranged at the high strength cast aluminium by bearing and casts on the inverted L shape structure stand that forms.
3. bindiny mechanism according to claim 1 is characterized in that, described main connecting lever uses forged of ferrous to form, and this main connecting lever is realized being connected with the transmission main shaft on being arranged at bracket component by the form of all directions axle, and is fixed by bolt-locking.
4. bindiny mechanism according to claim 2 is characterized in that, the vertical plane one middle side part zone of described support is provided with engraved structure.
5. bindiny mechanism according to claim 2, it is characterized in that, the crank arm box in described support and the breaker body is installed maximum weight reduction when being provided with for proof strength of a contacted side, is optimized the triangle reinforcement of mechanism case distribution of force situation.
6. bindiny mechanism according to claim 1 and 2, it is characterized in that, when adopting hydraulic spring mechanism as operating mechanism, need guiding trestle to assist at described bracket component at right side disk machined surface, first guiding trestle is installed in by bolt on the adapter sleeve of hydraulic spring mechanism, both position by the seam on mechanism's adapter sleeve and the positioning tooth on the guiding trestle; Both make as a whole installing hole by the guiding trestle outside, are fixed by bolts on the support, and also be to realize accurate location by seam and positioning tooth on support and the guiding trestle.
7. bindiny mechanism according to claim 6, it is characterized in that, described guiding trestle is disk-like structure, machine work is made after adopting Plate Welding, be provided with floor along the direction perpendicular to card, and on this floor, process a pilot hole and provide guiding for the hydraulic mechanism stroke lever, to increase the stability of hydraulic spring mechanism guide post.
8. bindiny mechanism according to claim 6 is characterized in that, a side of described guiding trestle and hydraulic mechanism assembling is provided with the positioning tooth for the ringwise structure of hydraulic mechanism radial location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597369 CN202905570U (en) | 2012-11-13 | 2012-11-13 | Three-phase mechanical linkage connection mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597369 CN202905570U (en) | 2012-11-13 | 2012-11-13 | Three-phase mechanical linkage connection mechanism of circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN202905570U true CN202905570U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220597369 Expired - Fee Related CN202905570U (en) | 2012-11-13 | 2012-11-13 | Three-phase mechanical linkage connection mechanism of circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN202905570U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931022A (en) * | 2012-11-13 | 2013-02-13 | 上海思源高压开关有限公司 | Three-phase mechanical link connecting mechanism of breaker |
| CN112017909A (en) * | 2019-05-31 | 2020-12-01 | 河南平芝高压开关有限公司 | Circuit breaker and mechanical linkage mechanism thereof |
| CN112466688A (en) * | 2019-09-06 | 2021-03-09 | 河南森源电气股份有限公司 | Operating mechanism and crank arm thereof |
| CN112614728A (en) * | 2020-12-29 | 2021-04-06 | 上海西门子高压开关有限公司 | Three-phase mechanical linkage device for circuit breaker and circuit breaker |
-
2012
- 2012-11-13 CN CN 201220597369 patent/CN202905570U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931022A (en) * | 2012-11-13 | 2013-02-13 | 上海思源高压开关有限公司 | Three-phase mechanical link connecting mechanism of breaker |
| CN102931022B (en) * | 2012-11-13 | 2015-07-15 | 上海思源高压开关有限公司 | Three-phase mechanical link connecting mechanism of breaker |
| CN112017909A (en) * | 2019-05-31 | 2020-12-01 | 河南平芝高压开关有限公司 | Circuit breaker and mechanical linkage mechanism thereof |
| WO2020238184A1 (en) * | 2019-05-31 | 2020-12-03 | 河南平芝高压开关有限公司 | Circuit breaker, and mechanical linkage mechanism for same |
| CN112017909B (en) * | 2019-05-31 | 2022-04-15 | 河南平芝高压开关有限公司 | Circuit breaker and mechanical linkage mechanism thereof |
| CN112466688A (en) * | 2019-09-06 | 2021-03-09 | 河南森源电气股份有限公司 | Operating mechanism and crank arm thereof |
| CN112614728A (en) * | 2020-12-29 | 2021-04-06 | 上海西门子高压开关有限公司 | Three-phase mechanical linkage device for circuit breaker and circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20151113 |
|
| EXPY | Termination of patent right or utility model |