CN101968108A - Elevating mechanism of loaded tap switch - Google Patents
Elevating mechanism of loaded tap switch Download PDFInfo
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- CN101968108A CN101968108A CN 201010295678 CN201010295678A CN101968108A CN 101968108 A CN101968108 A CN 101968108A CN 201010295678 CN201010295678 CN 201010295678 CN 201010295678 A CN201010295678 A CN 201010295678A CN 101968108 A CN101968108 A CN 101968108A
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- axle
- slow motion
- cylindrical cam
- module
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Abstract
The invention discloses an elevating mechanism of a loaded tap switch. The elevating mechanism comprises a slow-motion shaft module, a fast-motion elevating component module, a cylindrical cam, a guide support piece and a fast mechanism, wherein the slow-motion shaft module is connected with the cylindrical cam; the guide support piece is sleeved on a slow-motion shaft and fixed on an installation plate; the cylindrical cam is sleeved on the slow-motion shaft and the cylindrical cam and the fast-motion elevating component module are connected into a whole; and a flat position on the cylindrical cam is matched with an open groove below the guide support piece so as to ensure that the cylindrical cam slides up and down in the open groove below the guide support piece under the driving action of the slow-motion shaft module. The cylindrical cam of the elevating mechanism can realize switching of a switch by only ascending and descending without rotating, so that correct upper and lower positions of the mechanism can be realized, action deviation can be controlled within an allowable range and the switching stability and reliability of the switch can be guaranteed.
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 situations, 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 is preset the dead center position, the quick mechanism energy storage spring discharges, drive the fast moving axis rapid circular movement on the quick mechanism cam disk, the parts that fast moving axis drives on it are finished after certain default switch motion program, fast moving axis stops, the slow motion axle continues slow rotation to predeterminated position, stops operating, and waits for rising or the falling tone press operation next time.
This do not have the function of the fast moving axis upper-part of lifting 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 lifting snap-action spindle unit, its method is: fix a cylindrical cam with elevating movement track on the slow motion axle, in cam locus, establish roller bearing, the two ends of this roller bearing are provided with rotating roller, a roller is free to rotate in cam locus, 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, 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 default track action in chute, drive the snap-action spindle unit by roller bearing the other end roller simultaneously and do elevating movement, so finished 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 the material price costliness, unfavorable batch process.
Summary of the invention
The technical problem to be solved in the present invention 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;
Flat position on the cylindrical cam is complementary with guiding supporter under shed groove, guarantees that cylindrical cam is sliding up and down in guiding supporter under shed groove under the driving of slow motion axle module.
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 by key, back-up ring, adjustment pad, and crank is set in the slow motion axle and is fixed on the slow motion axle by 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 by adjustment pad, back-up ring, and axle connects into an integral body with top board, axle sleeve, sleeve pipe, traction piece, pad by 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 by 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 the 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 by 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 fixedlys 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 as shown in the figure, 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, adjust pad 8,9,11 are fixed on the slow motion axle 6, crank 18 is set in slow motion axle 6 and is fixed on the slow motion axle 6 by key 19 and back-up ring 20, when slow motion axle 6 rotatablely moved at a slow speed, traction piece 11 and crank 18 also rotatablely moved at a slow speed 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, adjust 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 by crank 18 under the driving of slow motion axle, make spring 48 accumulation of energys, after crank 18 was through default 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 by 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, to guarantee that cylindrical cam 3 can slide up and down in opening slot, prevent 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 accurately finishing of lifting 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 as follows:
When slow motion axle 6 when rotatablely moving at a slow speed, traction piece 11 also rotatablely moves at a slow speed simultaneously, 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, 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 is when slow motion axle 6 slow rotation, under the driving action of the roller on the traction piece 11 16, do elevating movement, 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, the key component cylindrical cam of this elevator mechanism only moves up and down, do 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 (3);
Flat position on the described 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).
2. according to the described elevator mechanism of claim 1, it is characterized in that: described slow motion axle module (1) comprises slow motion axle (6), back-up ring (7,13,17,20), adjust pad (8,9,12,15), key (10,19), traction piece (1) 1, axle (14), roller 916), crank (18);
Be fitted with axle (14), roller (16) on the---described 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);
---described traction piece (11) is set in slow motion axle (6) and passes through key (10), back-up ring (7,13), adjust pad (8,9,11) be fixed on the slow motion axle (6), crank (18) is set in slow motion axle (6) and is fixed on the slow motion axle (6) by key (19) and back-up ring (20).
3. according to the described elevator mechanism of claim 1, it is characterized in that; Described snap-action module (2) comprises draw-bar (21), top board (22,25,26,27), axle sleeve (23), sleeve pipe (24,28,33,37), adjust pad (29), back-up ring (31), traction piece (30), axle (32), bolt (34), butterfly spring (35), self-locking nut (36), pad (38);
---described cylindrical cam (3) is fixed on the axle (32) by 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 by bolt (34) and butterfly spring (35), self-locking nut (36).
4. according to the described elevator mechanism of claim 3, it is characterized in that; Described axle sleeve (32) is sleeved on draw-bar (21) and goes up and can freely slide up and down; The upper end of described draw-bar is fixed on the cam disk (39) of quick mechanism (5).
5. according to the described elevator mechanism of claim 1, it is characterized in that: described 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);
---described guiding supporter (4) is connected with quick mechanism by 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 true CN101968108A (en) | 2011-02-09 |
| CN101968108B CN101968108B (en) | 2012-11-21 |
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Family Applications (1)
| 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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| Country | Link |
|---|---|
| CN (1) | CN101968108B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485420A (en) * | 2019-08-21 | 2019-11-22 | 中国地震局工程力学研究所 | A kind of platform supporting device of self-propelled geotechnical engineering investigation static pressure equipment |
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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485420A (en) * | 2019-08-21 | 2019-11-22 | 中国地震局工程力学研究所 | A kind of platform supporting device of self-propelled geotechnical engineering investigation static pressure equipment |
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| Publication number | Publication date |
|---|---|
| CN101968108B (en) | 2012-11-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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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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| CP03 | Change of name, title or address |
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. |