CN101968108B - Elevating mechanism of loaded tap switch - Google Patents
Elevating mechanism of loaded tap switch Download PDFInfo
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- CN101968108B CN101968108B CN2010102956789A CN201010295678A CN101968108B CN 101968108 B CN101968108 B CN 101968108B CN 2010102956789 A CN2010102956789 A CN 2010102956789A CN 201010295678 A CN201010295678 A CN 201010295678A CN 101968108 B CN101968108 B CN 101968108B
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Abstract
本发明公开了一种有载分接开关的升降机构，包括：慢动轴模块、快动升降部件模块、圆柱凸轮、导向支持件、快速机构；慢动轴模块与圆柱凸轮相连接；导向支持件套装在慢动轴上并固定在安装板上；圆柱凸轮套装在慢动轴上，与快动升降部件模块相连接成一整体；圆柱凸轮上的扁形部位与导向支持件下开口槽相匹配，保证圆柱凸轮在慢动轴模块的驱动下在导向支持件下开口槽内作上下滑动。本升降机构的圆柱凸轮只做升降运动，不做旋转运动就能实现开关的切换，能准确实现机构的上下位置的准确到位，并可将动作偏差控制在许可范围内，保证开关切换的稳定性和可靠性。
The invention discloses a lifting mechanism of an on-load tap changer, which comprises: a slow-moving shaft module, a fast-moving lifting component module, a cylindrical cam, a guide support piece, and a fast mechanism; the slow-moving shaft module is connected with the cylindrical cam; the guiding support The piece is set on the slow-moving shaft and fixed on the mounting plate; the cylindrical cam is set on the slow-moving shaft and connected with the fast-moving lifting part module to form a whole; the flat part on the cylindrical cam matches the lower opening groove of the guide support, Ensure that the cylindrical cam slides up and down in the lower opening groove of the guide support under the drive of the slow-moving axis module. The cylindrical cam of the lifting mechanism only performs lifting movement, and the switching of the switch can be realized without rotating movement, which can accurately realize the accurate positioning of the upper and lower positions of the mechanism, and can control the action deviation within the allowable range to ensure the stability of the switch switching and reliability.
Description
Technical field
The invention belongs to the mechanical & electrical technology field, particularly a kind of elevator mechanism of load ratio bridging switch.
Background technique
In the diverter switch of load ratio bridging switch, the rotatable mechanism that the realization of its changeover program mainly relies on two axles and axle upper-part to form realizes by certain deliberate action process.According to the movement characteristic of two axles, divide fast moving axis and slow motion axle two kinds of situation, course of action is snap-action behind the first slow motion.When load ratio bridging switch rises or during the falling tone press operation, at first the slow motion axle begins to drive the quick mechanism circularly-eccentric sheave spinning movement on it, promote sliding closing; Make the energy storage of quick mechanism energy storage spring, when circularly-eccentric sheave spinning movement process was preset the dead center position, the quick mechanism energy storage spring discharged; Drive the fast moving axis rapid circular movement on the quick mechanism cam disk; The parts that fast moving axis drives on it are accomplished after certain preset switch motion program, and fast moving axis stops, and the slow motion axle continues slow rotation to predeterminated position; Stop operating, wait for rising or the falling tone press operation next time.
This do not have the function of fast moving axis upper-part by the rotating machinery fast, that the slow motion axle constitutes, and therefore, its application has certain narrow limitation.
The device of existing a kind of snap-action spindle unit that goes up and down, its method is: on the slow motion axle fixing one have an elevating movement track cylindrical cam, in cam locus, establish roller bearing; The two ends of this roller bearing are provided with rotating roller, and a roller is free to rotate in cam locus, and another roller is connected with the snap-action spindle unit; Establish a chute in the middle of the roller bearing, this chute can slide on a guiding groove, and guiding element is fixed on the quick mechanism fixed plate; When the slow motion axle rotates; The rotation of elevating movement cylindrical cam, so the roller on the roller bearing rolls in the track cam, this roller bearing can be done elevating movement by preset track action in chute; Drive the snap-action spindle unit through roller bearing the other end roller simultaneously and do elevating movement, so accomplished the descending operation of snap-action spindle unit.
The chute of this lowering or hoisting gear cooperates with guiding groove and requires highly, and the wear resistance of material, requirement of mechanical strength are also high, and parts machining process requires also very high, and material price is expensive, unfavorable batch process.
Summary of the invention
The technical problem that the present invention will solve provides a kind of easy to process on the basis of above-mentioned rotation and lifting mechanism, and material is less demanding, the elevator mechanism that is suitable for producing in batches.
To achieve these goals, the invention provides a kind of elevator mechanism of load ratio bridging switch, comprising:
Slow motion axle module, snap-action Lift Part module, cylindrical cam, guiding supporter, quick mechanism;
The slow motion axle module is connected with cylindrical cam;
The guiding supporter is sleeved on the slow motion axle and is fixed on the mounting plate;
Cylindrical cam is sleeved on the slow motion axle, is connected in aggregates with snap-action Lift Part module; Which is provided with the groove of a closed circulation;
Flat position on the cylindrical cam is complementary with guiding supporter under shed groove; Guarantee that cylindrical cam is sliding up and down under the driving of slow motion axle module in guiding supporter under shed groove; Cylindrical cam only moves up and down, and the closed circulation groove on it can guarantee the cycling many times arbitrarily of diverter switch 1-N or N-1.
The slow motion axle module comprises slow motion axle, back-up ring, adjustment pad, key, traction piece, axle, roller, crank;
Be fitted with axle, roller on the traction piece, axle is fastened on the traction piece, and roller sleeve is contained in axle upward also can be around axis rotation;
Traction piece is set in the slow motion axle and is fixed on the slow motion axle through key, back-up ring, adjustment pad, and crank is set in the slow motion axle and is fixed on the slow motion axle through key and back-up ring.
The snap-action module comprises draw-bar, top board, axle sleeve, sleeve pipe, adjustment pad, back-up ring, traction piece, axle, bolt, butterfly spring, self-locking nut, pad;
Cylindrical cam is fixed on the axle through adjustment pad, back-up ring, and axle connects into an integral body with top board, axle sleeve, sleeve pipe, traction piece, pad through bolt and butterfly spring, self-locking nut.
Axle sleeve is sleeved on the draw-bar and can freely slides up and down, and the upper end of draw-bar is fixed on the cam disk of quick mechanism.
Quick mechanism comprises cam disk, back-up ring, bearing, lasso, axle sleeve, lower skateboard, slide block, upper slide, crank, back-up ring, spring, axle sleeve, axle, pressing plate, mounting plate, support, Cock screw;
The guiding supporter is connected with quick mechanism through mounting plate, and the guiding supporter is fixed on the mounting plate.
The elevator mechanism of load ratio bridging switch of the present invention is owing to be provided with cylindrical cam and guiding supporter on the slow motion axle; And on cylindrical cam, be provided with planing surface; This planing surface matches with the chute of guiding on the supporter; The whole snap-action Lift Part module that is connected with cylindrical cam is only moved up and down, do not rotate, guaranteed the accuracy of elevating movement location.Adopt that this elevator mechanism is easy to process, simple in structure, reliable in function, and cost is low.
Description of drawings
The structural representation of the elevator mechanism of Fig. 1 load ratio bridging switch of the present invention;
The elevator mechanism slow motion axle module structural representation of Fig. 2 load ratio bridging switch of the present invention;
The elevator mechanism snap-action Lift Part modular structure schematic representation of Fig. 3 load ratio bridging switch of the present invention;
The elevator mechanism quick mechanism structural representation of Fig. 4 load ratio bridging switch of the present invention;
The elevator mechanism cylindrical cam structural representation of Fig. 5 load ratio bridging switch of the present invention;
The elevator mechanism movement locus figure of Fig. 6 load ratio bridging switch of the present invention.
Embodiment
The main feature of the elevator mechanism of load ratio bridging switch of the present invention:
1, cylindrical cam does not rotate, and only does elevating movement, is different from the characteristics that cylindrical cam both domestic and external all need move.
2, cylindrical cam connects through axle and fast moving axis Lift Part module, and this structural feature is that fast moving axis Lift Part module is one with cylindrical cam and is fixedly connected.Be different from the characteristics that leverage is arranged both at home and abroad between cylindrical cam and fast moving axis Lift Part module.
3, cylindrical cam is established planing surface, and the guiding supporter track under this planing surface and the quick mechanism fixed plate is complementary, and only does elevating movement to guarantee cylindrical cam.Be different from the characteristics of domestic peripheral hardware spline guiding or axle upper hopper chute, avoided medium tache.
4, fixing traction piece on the slow motion axle, in slow motion axle rotation process, roller can reliably guarantee the accuracy of cylindrical cam adjustable height on the traction piece, for the reliability of next deliberate action provides safeguard.
5, the technology capability of this kind structure used unit is better, and the interchangeability between part is better, and is also convenient to selecting for use of material, is fit to produce in batches.
Fig. 1 is the structural representation of elevator mechanism of the present invention, and is as shown in the figure, and elevator mechanism of the present invention comprises: slow motion spindle speed function module 1, snap-action Lift Part module 2, cylindrical cam 3, guiding supporter 4, quick mechanism 5.
Fig. 2 is the structural representation of slow motion spindle speed function module, and slow motion spindle speed function module 1 comprises slow motion axle 6, back- up ring 7,13,17,20, adjustment pad 8,9,12,15, key 10,19, traction piece 11, axle 14, roller 16, crank 18.Be fitted with axle 14, roller 16 on the traction piece 11, axle 14 is fastened on the traction piece 11, and roller 16 is sleeved on the axle 14 and can rotates around axle 14.Traction piece 11 is set in slow motion axle 6 and passes through key 10, back-up ring 7; 13, adjustment pad 8; 9,11 are fixed on the slow motion axle 6, and crank 18 is set in slow motion axle 6 and is fixed on the slow motion axle 6 through key 19 and back-up ring 20; When slow motion axle 6 rotatablely moved at a slow speed, traction piece 11 also rotatablely moved at a slow speed with crank 18 simultaneously.
Fig. 3 is the structural representation of snap-action Lift Part module; Snap-action Lift Part module 2 comprises draw-bar 21, top board 22,25,26; 27, axle sleeve 23, sleeve pipe 24; 28,33,37, adjustment pad 29, back-up ring 31, traction piece 30, axle 32, bolt 34, butterfly spring 35, self-locking nut 36, pad 38.
Fig. 4 is the structural representation of quick mechanism; Quick mechanism 5 comprises cam disk 39, back- up ring 40,41, bearing 42, lasso 43, axle sleeve 44, lower skateboard 45, slide block 46, upper slide 47, crank 18, back-up ring 20, spring 48, axle sleeve 49, axle 50, pressing plate 51, mounting plate 52, support 53, Cock screw 54.
The course of action of quick mechanism 5 be through crank 18 under the driving of slow motion axle, make spring 48 accumulation of energys, after crank 18 was through preset dead center position, spring 48 energy discharged, in a flash, cam disk 39 drives connected parts and does the fast rotational action.
Draw-bar 21 is connected with cam disk 39 in quick mechanism 5, and through Cock screw 54 positioning and fixing; Guiding supporter 4 is fixed on the mounting plate 52; Bearing 42 on the guiding supporter 4 is used for positioning cam dish 39; And the fulcrum that provides cam disk 39 to rotate; Lead the simultaneously opening slot of supporter 4 and the flat position of cylindrical cam 3 upper ends is complementary, and to guarantee that cylindrical cam 3 can slide up and down in opening slot, prevents that simultaneously cylindrical cam 3 from rotating; Slow motion axle 6 passes from the centre of cylindrical cam 3, and slow motion axle 6 is the guiding centre positioning element that cylindrical cam 3 slides up and down simultaneously.
The structural representation of Fig. 5 critical component cylindrical cam of the present invention which is provided with the groove of a closed circulation, and its groove track is seen Fig. 6, and the groove of this closed circulation can guarantee the cycling many times arbitrarily of diverter switch 1-N or N-1.Simultaneously, the track configuration of the groove of this closed circulation can guarantee the accurate completion of step, utilizes this characteristic, mixes certain process parts again, just can realize a complete switch motion of load ratio bridging switch.
The course of action of elevator mechanism of the present invention is following:
When slow motion axle 6 when rotatablely moving at a slow speed, traction piece 11 also rotatablely moves at a slow speed simultaneously, the roller 16 on the traction piece 11 is installed in cylindrical cam 3 grooves; Roller 16 rotates in the groove track; Simultaneously, cylindrical cam 3 is sleeved on the slow motion axle 6, and the flat position of cylindrical cam 3 is fitted in the under shed groove of guiding supporter 4; Guiding supporter 4 is fixed; Cylindrical cam 3 under the driving action of the roller on the traction piece 11 16, is done elevating movement when slow motion axle 6 slow rotation; Cylindrical cam 3 drives connected snap-action Lift Part module 2 and does elevating movement along draw-bar 21 when doing elevating movement, for next deliberate action program is prepared.
In sum; The implementation of the elevator mechanism of load ratio bridging switch of the present invention is different fully with prior art constructions, and the key component cylindrical cam of this elevator mechanism only moves up and down, and does not rotate and just can realize the switching of switch; Can accurately realize accurately the putting in place of upper-lower position of mechanism; And can with the action Deviation Control in permission range, guarantee stability and reliability that switch switches, adopt this kind method can easily realize the batch process of switch.
Claims (5)
1. the elevator mechanism of a load ratio bridging switch comprises: slow motion axle module (1), snap-action Lift Part module (2), cylindrical cam (3), guiding supporter (4), quick mechanism (5); It is characterized in that:
---slow motion axle module (1) is connected with cylindrical cam (3);
---guiding supporter (4) is sleeved on slow motion axle (6) and goes up and be fixed on the mounting plate (52);
---cylindrical cam (3), be sleeved on the slow motion axle (6), be connected in aggregates with snap-action Lift Part module (2); Which is provided with the groove of a closed circulation;
Flat position on the said cylindrical cam (3) is complementary with guiding supporter (4) under shed groove, guarantees that cylindrical cam (3) is sliding up and down in the under shed groove of guiding supporter (4) under the driving of slow motion axle module (1); Said cylindrical cam (3) only moves up and down, and the closed circulation groove on it can guarantee the cycling many times arbitrarily of diverter switch 1-N or N-1.
2. according to the said elevator mechanism of claim 1, it is characterized in that: said slow motion axle module (1) comprises slow motion axle (6), back-up ring (7,13; 17,20), adjustment pad (8,9; 12,15), key (10,19), traction piece (11), axle (14), roller (16), crank (18);
Be fitted with axle (14), roller (16) on the---said traction piece (11), axle (14) is fastened on the traction piece (11), and roller (16) is sleeved on axle (14) and goes up also and can rotate around axle (14);
---said traction piece (11) is set in slow motion axle (6) and is fixed on the slow motion axle (6) through key (10), back-up ring (7,13), adjustment pad (8,9,11), and crank (18) is set in slow motion axle (6) and is fixed on the slow motion axle (6) through key (19) and back-up ring (20).
3. according to the said elevator mechanism of claim 1, it is characterized in that; Said snap-action Lift Part module (2) comprises draw-bar (21), top board (22,25,26; 27), axle sleeve (23), sleeve pipe (24; 28,33,37), adjustment pad (29), back-up ring (31), traction piece (30), axle (32), bolt (34), butterfly spring (35), self-locking nut (36), pad (38);
---said cylindrical cam (3) is fixed on the axle (32) through adjustment pad (29), back-up ring (31); Axle (32) and top board (22,25,26; 27), axle sleeve (23), sleeve pipe (24; 28,33,37), traction piece (30), pad (38) connect into an integral body through bolt (34) and butterfly spring (35), self-locking nut (36).
4. according to the said elevator mechanism of claim 3, it is characterized in that; Said axle sleeve (23) is sleeved on draw-bar (21) and goes up and can freely slide up and down; The upper end of said draw-bar is fixed on the cam disk (39) of quick mechanism (5).
5. according to the said elevator mechanism of claim 1; It is characterized in that: said quick mechanism (5) comprises cam disk (39), back-up ring (40,41), bearing (42), lasso (43), axle sleeve (44), lower skateboard (45), slide block (46), upper slide (47), crank (18), back-up ring (20), spring (48), axle sleeve (49), axle (50), pressing plate (51), mounting plate (52), support (53), Cock screw (54);
---said guiding supporter (4) is connected with quick mechanism through mounting plate (52), and guiding supporter (4) is fixed on the mounting plate (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102956789A CN101968108B (en) | 2010-09-29 | 2010-09-29 | Elevating mechanism of loaded tap switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102956789A CN101968108B (en) | 2010-09-29 | 2010-09-29 | Elevating mechanism of loaded tap switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101968108A CN101968108A (en) | 2011-02-09 |
| CN101968108B true CN101968108B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102956789A Active CN101968108B (en) | 2010-09-29 | 2010-09-29 | Elevating mechanism of loaded tap switch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110485420B (en) * | 2019-08-21 | 2021-04-20 | 中国地震局工程力学研究所 | Self-propelled geotechnical engineering reconnaissance static pressure equipment's platform strutting arrangement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902030A (en) * | 1973-08-31 | 1975-08-26 | Laurentiv Popa | Diverter switch for on-load changers |
| US5170022A (en) * | 1990-06-01 | 1992-12-08 | Esswein S.A. | Electromechanical programmer with smooth program preselection |
| CN2870115Y (en) * | 2006-01-26 | 2007-02-14 | 上海华明电力设备制造有限公司 | Composite cam mechanism of loaded bridging switch |
| CN2911322Y (en) * | 2006-05-01 | 2007-06-13 | 贵州长征电器股份有限公司 | Top multifunction integrated gearing driving gear of loaded tap switch |
| CN201503760U (en) * | 2009-08-03 | 2010-06-09 | 涿州华太机电有限公司 | Oil immersed type vacuum on-load tap-changer |
-
2010
- 2010-09-29 CN CN2010102956789A patent/CN101968108B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902030A (en) * | 1973-08-31 | 1975-08-26 | Laurentiv Popa | Diverter switch for on-load changers |
| US5170022A (en) * | 1990-06-01 | 1992-12-08 | Esswein S.A. | Electromechanical programmer with smooth program preselection |
| CN2870115Y (en) * | 2006-01-26 | 2007-02-14 | 上海华明电力设备制造有限公司 | Composite cam mechanism of loaded bridging switch |
| CN2911322Y (en) * | 2006-05-01 | 2007-06-13 | 贵州长征电器股份有限公司 | Top multifunction integrated gearing driving gear of loaded tap switch |
| CN201503760U (en) * | 2009-08-03 | 2010-06-09 | 涿州华太机电有限公司 | Oil immersed type vacuum on-load tap-changer |
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| Publication number | Publication date |
|---|---|
| CN101968108A (en) | 2011-02-09 |
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Owner name: GUIZHOU CHANGZHENG ELECTRIC CO., LTD. Free format text: FORMER NAME: GUIZHOU CHANGZHENG POWER EQUIPMENT CO., LTD. |
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Address after: 563002, 1, Wuhan Road, Huichuan District, Guizhou, Zunyi Patentee after: GUIZHOU CHANGZHENG ELECTRIC Co.,Ltd. Address before: 563002 No. 151, Shanghai Road, Zunyi, Guizhou, Huichuan District Patentee before: GUIZHOU CHANGZHENG POWER EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20250217 Address after: 563000 A1 (office building), Phase I of Relocation and Capacity Expansion Technical Transformation Project, No. 1, Wuhan Road, Huichuan District, Zunyi, Guizhou Patentee after: Guizhou Chenting Power Equipment Manufacturing Co.,Ltd. Country or region after: China Address before: 563002 No.1 Wuhan Road, Huichuan District, Zunyi City, Guizhou Province Patentee before: GUIZHOU CHANGZHENG ELECTRIC Co.,Ltd. Country or region before: China |
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