CN204117938U - A kind of high-voltage switch circuit breaker and breaker operation mechanism bindiny mechanism - Google Patents
A kind of high-voltage switch circuit breaker and breaker operation mechanism bindiny mechanism Download PDFInfo
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- CN204117938U CN204117938U CN201420357579.2U CN201420357579U CN204117938U CN 204117938 U CN204117938 U CN 204117938U CN 201420357579 U CN201420357579 U CN 201420357579U CN 204117938 U CN204117938 U CN 204117938U
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- connecting lever
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- rotating shaft
- bindiny mechanism
- rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 81
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a kind of high-voltage switch circuit breaker and breaker operation mechanism bindiny mechanism, and this bindiny mechanism is made up of three groups of bracket connecting rods, three connecting levers and a rotating shaft.Rotating shaft is fixed rotatable, first connecting lever one end is fixed in rotating shaft, the other end is connected with the first bracket connecting rod by pin, the first bracket connecting rod other end is connected by pin with circuit breaker direct acting pull bar, second connecting lever is fixed on rotating shaft end head, and the 3rd connecting lever is fixed on operating mechanism output shaft termination, forms a parallelogram sturcutre between the second connecting lever and the 3rd connecting lever by two groups of bracket connecting rods, a screw rod is equipped with in the termination that the second connecting lever is fixed in rotating shaft, in order to connect rotary speed measuring device.The utility model easy installation and removal, excellent in mechanical performance, transmission vibration is little, arbitrarily can place according to space size, effectively can reduce the effect of circuit-breaker switching on-off operation to the power that mechanism brings, reduce the damage of operating mechanism, improve its useful life.
Description
Technical field
The utility model relates to the jockey of a kind of high-voltage switch circuit breaker and operating mechanism, particularly a kind of output torque and output shaft is the large power spring operation mechanism of splined shaft and the bindiny mechanism of circuit breaker.
Technical background
The output shaft of operating mechanism can not directly be connected with arc-extinguishing chamber of circuit breaker direct acting pull bar, is all generally operating mechanism connects a connecting lever, and the connecting lever other end connects bracket connecting rod, and bracket is connected with direct acting pull bar again.Such connected mode requires higher to the locus of operating mechanism, many in placement operating mechanism limit condition, and the moment of flexure that connecting lever reacts on operating mechanism output shaft in breaking-closing operating process is very large, this moment of flexure is applied in mechanism body by the output shaft of operating mechanism.
In produced problem, the fixed position of operating mechanism is caused to occur drawing crack phenomenon with regard to there being operating mechanism body because of being subject to large Moment, What is more, also occurs that the circuit breaker be connected with operating mechanism causes because being subject to the next Moment of operating mechanism transmission the phenomenon that circuit breaker significantly deflects on ground along with breaking-closing operating in experimentation.
In view of above technical problem, be necessary to provide a kind of breaker operation mechanism bindiny mechanism, to solve above technical problem in fact.
Utility model content
The utility model provides a kind of bindiny mechanism of breaker operation mechanism, its easy installation and removal, excellent in mechanical performance, transmission vibration is little, arbitrarily can place according to space size, effectively can reduce the effect of circuit-breaker switching on-off operation to the power that mechanism brings, reduce the damage of operating mechanism, improve its useful life.
The technical solution of the utility model is:
A bindiny mechanism for circuit breaker operating mechanism, this bindiny mechanism is made up of three groups of bracket connecting rods, three connecting levers and a rotating shaft; Described rotating shaft is fixed rotatable, and first connecting lever one end is fixed in rotating shaft, and the other end is connected with the first bracket connecting rod by the second pin, and the first bracket connecting rod other end is connected by the first pin with circuit breaker direct acting pull bar; Second connecting lever is fixed on rotating shaft end head, and the 3rd connecting lever is fixed on operating mechanism output shaft termination, the second connecting lever and the 3rd connecting lever and the two groups of bracket connection rod set quadrangularly structures arranged between it.
Described second connecting lever is identical with the 3rd crank arm structure, be all that connecting lever symmetrical centre is passed through fixed axis and rotates with fixed axis, second and the 3rd connecting lever two ends perforate, second bracket connecting rod is connected with connecting lever by this perforate with the 3rd bracket connecting rod, described second and the 3rd the perforate of connecting lever two ends center and connecting lever symmetrical centre point-blank and second and the 3rd the center of connecting lever two ends perforate to connecting lever symmetrical centre apart from equal.
Described rotating shaft be arranged in parallel with the output shaft of operating mechanism and is splined shaft and diaxon number of teeth modulus is identical.
Described second and the 3rd bracket connecting rod comprise and be connected to the 3rd bracket at the second connecting lever two ends by the 3rd pin and be connected to the 4th intersection at the 3rd connecting lever two ends, connect by the second threaded rod and pass through the third and fourth nut adjusting position between described 3rd bracket and the 4th bracket.
Described first bracket connecting rod is comprised and is connected to first bracket of arc control device direct acting pull bar one end by the first pin and is connected to second bracket of first connecting lever one end by the second pin, is connected and is passed through the first and second nut adjusting positions between described first bracket and the second bracket by the first threaded rod.
Described first and second threaded rod structures are identical, are one end left-handed one end dextrorotation.
Between bracket in described bracket connecting rod and the connecting lever of correspondence, ball bearing is housed.
The inner ring of the deep groove ball bearing that described rotating shaft upper spline tooth top is arranged with its periphery directly contacts.
The center of described second connecting lever and the 3rd connecting lever is provided with screw rod, in order to connect rotary speed measuring device.
Compared with prior art, the utility model at least has following beneficial effect: in the utility model mechanism, second connecting lever and the 3rd connecting lever and the two groups of bracket connection rod set quadrangularly structures arranged between it, the moment of flexure that this quadrangle connecting lever linkage brings operating mechanism when eliminating single connecting lever transmission, improve the force-bearing situation of operating mechanism, reduce the vibrations of operating mechanism during divide-shut brake, protect operating mechanism body to greatest extent injury-free, ensure that the useful life of operating mechanism, simultaneously, operating mechanism freely can be placed in the allowed band of space, make its installing/dismounting more convenient, also reduce time cost.
Accompanying drawing explanation
Fig. 1 is the utility model shown device structural representation;
Fig. 2 is the schematic diagram of open position shown in the utility model;
Fig. 3 is the schematic diagram of force analysis shown in the utility model;
Fig. 4 is the utility model device using state schematic diagram.
Reference numeral is as follows:
1. the first pin; 2. the first bracket; 3. arc-extinguishing chamber of circuit breaker direct acting pull bar; 4. the first nut;
5. the first threaded rod; 6. the second nut; 7. the second bracket; 8. the second pin;
9. the first connecting lever; 10. bearing; 11. rotating shafts; 12. first screw rods; 13. first end caps;
14. second connecting levers; 15. the 3rd pins; 16. the 3rd brackets; 17. the 4th nuts;
18. second threaded rod; 19. the 3rd nuts; 20. the 4th brackets; 21. the 3rd connecting levers;
22. second end caps; 23. operating mechanisms; 24. operating mechanism output shafts
Embodiment
Figure 1 illustrates circuit breaker spring operating mechanism bindiny mechanism schematic diagram.This bindiny mechanism comprises three groups of bracket connecting rods, 9,14, the 21 and rotating shaft 11 of three connecting levers.Described rotating shaft 11 is fixed rotatable, and such as, rotating shaft 11 is fixed on the link below breaker flange dish, or is fixed with a fixing brace table on the top of the shelf.The periphery of described rotating shaft 11 is connected with the first connecting lever 9, a termination of described rotating shaft 11 is connected with the second connecting lever 14,3rd connecting lever 21 is fixed on the termination of operating mechanism output shaft 24, and the second connecting lever 14, the 3rd connecting lever 21, and arrange between it second and the 3rd bracket connecting rod formed quadrilateral structure, in the present embodiment, be parallelogram sturcutre.Described rotating shaft 11 be arranged in parallel with operating mechanism output shaft 24, and concentrically, described 3rd connecting lever 21 and operating mechanism output shaft are concentrically for described second connecting lever 14 and rotating shaft 11.In addition, described rotating shaft 11 is splined shaft with operating mechanism output shaft 24 and the number of teeth modulus of diaxon is identical.
One end of described first connecting lever 9 is connected in rotating shaft 11, and the other end is connected with the first bracket connecting rod by the second pin 8; Described first bracket connecting rod comprises the first bracket 2 and the second bracket 7, and connect the first threaded rod 5 of the first bracket 2 and the second bracket 7, described first bracket 2 is connected on arc control device direct acting pull bar 3 by the first pin 1, described second bracket 7 is connected to one end of the first connecting lever 9 by the second pin 8, the first threaded rod 5 adjusts the position of the first bracket 2 and the second bracket 7 respectively by the first nut 4 and the second nut 6.
Second bracket connecting rod and the 3rd bracket connecting rod comprise the 3rd bracket 16 and the 4th bracket 20 respectively, and connect the second threaded rod 18 of the 3rd bracket 16 and the 4th bracket 20, described 3rd bracket 16 is connected in the perforate at the second connecting lever 14 both ends by the 3rd pin 15, described 4th bracket 20 is connected in the perforate at the 3rd connecting lever 21 both ends by the 4th pin, and described second threaded rod 18 regulates the position of the 3rd bracket 16 and the 4th bracket 20 by the 3rd nut 19 and the 4th nut 17.Described second connecting lever 14, the 3rd connecting lever 21 and two the second threaded rod 18 form described parallelogram.Aforementioned the first described threaded rod 5 is identical with the second threaded rod 18 structure, is one end left-handed one end dextrorotation.
Described second connecting lever 14 is identical with the structure of the 3rd connecting lever 21, and being with symmetrical centre is axially symmetric structure, is rotated by central axis fixed random fixed axis.In addition, described second connecting lever 14 and the 3rd connecting lever 21 two ends are provided with perforate in order to be connected with aforementioned 3rd bracket, and the center of two perforates at described two ends is equal with the distance of corresponding connecting lever symmetrical centre.
In said structure, between corresponding bracket and corresponding connecting lever, all ball bearing is installed; The periphery of described rotating shaft 11 is provided with deep groove ball bearing 10, and the spline tooth top in rotating shaft 11 directly contacts with the inner ring of this deep groove ball bearing 10.
Further, described rotating shaft 11 is provided with the first screw rod 12 and the first end cap 13 in the end fixing the second connecting lever 14, described first screw rod 12 is successively through the second connecting lever 14 and the first end cap 13, in order to connect rotary speed measuring device, in like manner, the end of operating mechanism output shaft 24 is provided with the second screw rod and the second end cap 22, second screw rod passes the 3rd connecting lever 21 and the second end cap 22 successively, in order to connect rotary speed measuring device.Above-mentioned first and second screw-rod structures are identical, and being one end is external screw thread, and one end is internal thread, and external screw thread is used for fixed axis end cap, and internal thread is for connecting rotary speed measuring device.
During installation, first operating mechanism 23 is fixed, mechanism can be hung on-board the circuit breaker, take the mode of " hanging oneself ", also can mechanism be put on the top of the shelf, take the mode of " lower ".The link that rotating shaft 11 can be fixed on below breaker flange dish with one is fixed, and also can be fixed with a fixing brace table on the top of the shelf.While fixed rotating shaft 11, first connecting lever 9 and rotating shaft 11 are fitted together.Second connecting lever 14 and the 3rd connecting lever 21 and rotating shaft 11 and operating mechanism output shaft 24 all accomplish fluently datum tooth in advance, according to datum tooth, two connecting levers are loaded on corresponding axle, load two groups of bracket connecting rods, quadrangle is formed with the second connecting lever 14 and the 3rd connecting lever 21, rotate the second threaded rod 18, adjustment distance, makes it to become parallelogram, locking the 3rd nut 19 and the 4th nut 17.First bracket connecting rod is loaded the first connecting lever 9, is connected by the first bracket 2, rotates the first threaded rod 5 with arc-extinguishing chamber of circuit breaker direct acting pull bar 3 first pin 1, adjustment arc-extinguishing chamber of circuit breaker direct acting pull bar 3 to tram, locks the first nut 4 and the second nut 6.
Figure 2 shows that the schematic diagram of bindiny mechanism at open position.When operating mechanism closes a floodgate, mechanism's output shaft 24 turns clockwise, the 3rd connecting lever 21 be fixed on mechanism's output shaft rotates, by second and the 3rd bracket connecting rod drive the second connecting lever 14 be fixed in rotating shaft 11 turn clockwise, rotating shaft 11 turns clockwise, drive the first connecting lever 9 to turn clockwise, the first bracket connecting rod promotes fictitious load direct acting pull bar 3 and moves upward, thus completes closing operation.Sub-switching operation is contrary with above-mentioned feed motion.
Described bindiny mechanism initial position is as follows: when mechanism is in the state that namely separating brake will close a floodgate, if the output corner of operating mechanism output shaft is 2 θ, then the initial position of the first connecting lever 9 is with rotating shaft 11 center line for the point of rotation is rotated counterclockwise θ position from horizontal line, and the initial position of the second connecting lever 14 and the 3rd connecting lever 21 is, in perpendicular, rotating shaft 11 and the vertical line direction of mechanism's output shaft 24 center line line is rotated counterclockwise θ position.
Force analysis schematic diagram when Fig. 3 is bindiny mechanism's action.Assuming that be now the feed motion a certain moment, then the 3rd connecting lever 21 is pulling force to the bracket connecting rod being positioned at top, is thrust to following bracket connecting rod.Top bracket connecting rod reacts on the tensile force f of the 3rd connecting lever 21
1along bracket connecting rod left, following bracket connecting rod reacts on the thrust F of the 3rd connecting lever 21
2along bracket connecting rod to the right.
By F
1along the 3rd connecting lever 21 symmetrical center line direction and vertical 3rd connecting lever 21 symmetrical center line Directional Decomposition, obtain tangential force F
1twith normal force F
1n, direction as shown in the figure.In like manner, by F
2decompose, obtain tangential force F
2twith normal force F
2n.F
1twith F
2tequal and opposite in direction, direction is contrary, is multiplied by the 3rd connecting lever 21 radius of gyration and is operating mechanism 23 output torque value, F
2twith F
2nequal and opposite in direction, direction is contrary, and effect point-blank, is just offset.Single connecting lever connecting rod only has F in breaking-closing operating process
1or F
2in one, by the power F of axial line
1nor F
2njust do not offset, therefore can form a moment of flexure to operating mechanism output shaft.
Claims (10)
1. a bindiny mechanism for circuit breaker operating mechanism, is characterized in that: bindiny mechanism is made up of three groups of bracket connecting rods, three connecting levers and a rotating shaft; Described rotating shaft (11) is fixing rotatable, first connecting lever (9) one end is fixed in rotating shaft (11), the other end is connected with the first bracket connecting rod by the second pin (8), and the first bracket connecting rod other end is connected by the first pin (1) with circuit breaker direct acting pull bar (3); Second connecting lever (14) is fixed on rotating shaft end head, 3rd connecting lever (21) is fixed on operating mechanism output shaft (24) termination, the second connecting lever (14) and the 3rd connecting lever (21) and the two groups of bracket connection rod set quadrangularly structures arranged between it.
2. bindiny mechanism according to claim 1, it is characterized in that, described second connecting lever (14) is identical with the 3rd connecting lever (21) structure, be all that connecting lever symmetrical centre is passed through fixed axis and rotates with fixed axis, second and the 3rd connecting lever two ends perforate, second bracket connecting rod is connected with connecting lever by this perforate with the 3rd bracket connecting rod, described second and the 3rd the perforate of connecting lever two ends center and connecting lever symmetrical centre point-blank and second and the 3rd the center of connecting lever two ends perforate to connecting lever symmetrical centre apart from equal.
3. bindiny mechanism according to claim 1, is characterized in that, described rotating shaft (11) be arranged in parallel with the output shaft (24) of operating mechanism (2) and is splined shaft and diaxon number of teeth modulus is identical.
4. bindiny mechanism according to claim 1, it is characterized in that: described second and the 3rd bracket connecting rod comprise by the 3rd pin (15) be connected to the second connecting lever (14) two ends the 3rd bracket (16) and be connected to the 3rd connecting lever two ends the 4th intersect (20), between described 3rd bracket (16) and the 4th bracket (20) pass through the second threaded rod (18) connect and pass through the third and fourth nut (19,17) adjusting position.
5. bindiny mechanism according to claim 4, it is characterized in that, described first bracket connecting rod comprises and is connected to first bracket (2) of arc control device direct acting pull bar (3) one end by the first pin (1) and is connected to second bracket (7) of the first connecting lever (9) one end by the second pin (8), passes through the first threaded rod (5) and connect and pass through the first and second nuts (4,6) adjusting position between described first bracket (2) and the second bracket (7).
6. bindiny mechanism according to claim 4, is characterized in that: described first and second threaded rod (5,18) structure is identical, is one end left-handed one end dextrorotation.
7. bindiny mechanism as claimed in any of claims 1 to 6, is characterized in that, between the connecting lever (14) of the bracket in bracket connecting rod and correspondence, ball bearing is housed.
8. bindiny mechanism as claimed in any of claims 1 to 6, is characterized in that, the inner ring of the deep groove ball bearing (10) that described rotating shaft (11) upper spline tooth top is arranged with its periphery directly contacts.
9. bindiny mechanism as claimed in any of claims 1 to 6, it is characterized in that, the center of described second connecting lever and the 3rd connecting lever is provided with screw rod (12), in order to connect rotary speed measuring device, described screw rod (12) one end is external screw thread, one end is internal thread, and external screw thread is used for fixed axis end cap, and internal thread is for connecting rotary speed measuring device.
10. a high-voltage switch circuit breaker, is characterized in that: described high-voltage switch circuit breaker is equipped with bindiny mechanism according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357579.2U CN204117938U (en) | 2014-06-30 | 2014-06-30 | A kind of high-voltage switch circuit breaker and breaker operation mechanism bindiny mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357579.2U CN204117938U (en) | 2014-06-30 | 2014-06-30 | A kind of high-voltage switch circuit breaker and breaker operation mechanism bindiny mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204117938U true CN204117938U (en) | 2015-01-21 |
Family
ID=52335226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420357579.2U Expired - Lifetime CN204117938U (en) | 2014-06-30 | 2014-06-30 | A kind of high-voltage switch circuit breaker and breaker operation mechanism bindiny mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204117938U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520660A (en) * | 2018-12-29 | 2019-03-26 | 中航电测仪器股份有限公司 | A kind of power circuit breaker spring pressure monitoring device and monitoring method |
| CN111452074A (en) * | 2020-05-30 | 2020-07-28 | 郑州思念食品有限公司 | Self-rotating mechanical gripper |
| CN112700986A (en) * | 2020-12-14 | 2021-04-23 | 河南平高电气股份有限公司 | Three-phase mechanical linkage type circuit breaker |
| CN114068238A (en) * | 2021-12-29 | 2022-02-18 | 山东大学 | Circuit breaker transmission mechanism, circuit breaker and environment-friendly inflating cabinet |
-
2014
- 2014-06-30 CN CN201420357579.2U patent/CN204117938U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520660A (en) * | 2018-12-29 | 2019-03-26 | 中航电测仪器股份有限公司 | A kind of power circuit breaker spring pressure monitoring device and monitoring method |
| CN111452074A (en) * | 2020-05-30 | 2020-07-28 | 郑州思念食品有限公司 | Self-rotating mechanical gripper |
| CN112700986A (en) * | 2020-12-14 | 2021-04-23 | 河南平高电气股份有限公司 | Three-phase mechanical linkage type circuit breaker |
| CN112700986B (en) * | 2020-12-14 | 2024-03-29 | 河南平高电气股份有限公司 | Three-phase mechanical linkage type circuit breaker |
| CN114068238A (en) * | 2021-12-29 | 2022-02-18 | 山东大学 | Circuit breaker transmission mechanism, circuit breaker and environment-friendly inflating cabinet |
| CN114068238B (en) * | 2021-12-29 | 2022-12-30 | 山东大学 | Circuit breaker transmission mechanism, circuit breaker and environment-friendly inflating cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230104 Address after: No.24, gazelle Valley, high tech Zone, Xi'an, Shaanxi 710077 Patentee after: XI'AN XD HIGH VOLTAGE SWITCHGEAR OPERATING MECHANISM CO.,LTD. Patentee after: CHINA XD ELECTRIC Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150121 |
|
| CX01 | Expiry of patent term |