CN203774110U - Spring energy storage device of on-load tap-changer - Google Patents
Spring energy storage device of on-load tap-changer Download PDFInfo
- Publication number
- CN203774110U CN203774110U CN201420140516.1U CN201420140516U CN203774110U CN 203774110 U CN203774110 U CN 203774110U CN 201420140516 U CN201420140516 U CN 201420140516U CN 203774110 U CN203774110 U CN 203774110U
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- CN
- China
- Prior art keywords
- guide vane
- end stop
- shaft
- vane end
- energy storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
A spring energy storage device of an on-load tap-changer is disclosed in the utility model. The spring energy storage device of the on-load tap-changer settles the following problems in a dead-point-passing type spring energy storage device: small rotation angle range of an extension spring driving component, and low reliability of the spring energy storage device caused by the small rotation angle range. A second transmission shaft is mounted at the lower part of a side board through a first bearing seat. The second transmission shaft and a third transmission shaft are coaxially arranged. A transmission gear is mounted on the second transmission shaft and is arranged between the side board and a switching supporting board. One end surface of the transmission gear, which faces a transmission shifting block, is provided with a first shifting column and a second shifting column. The first shifting column, the second shifting column and the transmission gear are integrated. One end of a switching shifting block fixedly sleeves the second transmission shaft. A transmission column is horizontally mounted on the other end of the switching shifting block fixedly. A transmission shaft sleeve and a rotation sleeve successively sleeve the transmission column. One end of the extension spring is mounted on the transmission shaft sleeve, and the other end is fixed through a fixing column. Two spacing shaft sleeves are arranged on the outer edge of a spacing wheel. The spring energy storage device provided by the utility model is used on the on-load tap-changer.
Description
Technical field
The utility model relates to a kind of spring energy storage device of on load tap changer.
Background technology
At present, on load tap changer quick mechanism is all to adopt spring energy storage device to drive, and modal was the spring energy storage device of dead point formula.The extension spring driver part rotation angle range of crossing dead point formula spring energy storage device is little, and maximum angle is only 90 degree.
There is strict requirement the operate time of on load tap changer quick mechanism, action can not be too fast, operate time the too fast direct reliability that affects product, the size of tension spring tension has determined the length of this operate time, so the design of tension spring tension can not be excessive, i.e. the redundancy of extension spring power is smaller.After lubrication circumstances, spring fatigue and the environment for use factors vary of on load tap changer quick mechanism strengthen the resistance of spring energy storage device generation, cause burning on load tap changer because quick acting can not complete, the reliability of the existing spring energy storage device of dead point formula is excessively low.
To sum up, the extension spring driver part rotation angle range of the existing spring energy storage device of dead point formula is excessively little, causes the reliability of the existing spring energy storage device of dead point formula excessively low.
Utility model content
The utility model exists extension spring driver part rotation angle range little for solving the existing spring energy storage device of crossing dead point formula, causes the low problem of reliability of spring energy storage device, and then a kind of spring energy storage device of on load tap changer is provided.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be:
The spring energy storage device of on load tap changer of the present utility model comprises side plate, switching shaft bearing, switch power transmission shaft, change gear, spacing shifting block, the first guide vane end stop, the second guide vane end stop, clutch shaft bearing seat, second driving shaft, travelling gear, switch shifting block, the second bearing pedestal, the 3rd power transmission shaft, driving sleeve, transmission shifting block, position-limited wheel, switch supporting bracket, extension spring, the first reversed column, the second reversed column, take off post, turning set, the 3rd bearing pedestal, two guide vane end stop pillars, two guide vane end stop spiders, two limit shafts, two limit shaft sleeves and two torque springs,
Side plate is with to switch supporting bracket parallel and vertically arrange, and one end of the 3rd power transmission shaft is arranged on the bottom of switching supporting bracket by the 3rd bearing pedestal, and transmission shifting block is packed on the other end of the 3rd power transmission shaft;
Second driving shaft is arranged on the bottom of side plate by clutch shaft bearing seat, second driving shaft and the 3rd power transmission shaft coaxially arrange, travelling gear is arranged on second driving shaft and at side plate and switches between supporting bracket, travelling gear is provided with the first reversed column and the second reversed column on the end face of transmission shifting block, the first reversed column and the second reversed column and travelling gear are made one, the one end of switching shifting block is solidly set on second driving shaft, the level of taking off post is packed on the other end that switches shifting block, on taking off post, be set with successively driving sleeve and turning set, one end of extension spring is arranged on driving sleeve, the other end of extension spring is fixed by fixed leg,
Switching shaft bearing is packed in side plate towards the top of switching supporting bracket sidewall, the second bearing pedestal is packed in and switches supporting bracket towards the top of side plate sidewall, switching shaft bearing and the second bearing pedestal coaxially arrange, the two ends of switching power transmission shaft are arranged on switching shaft bearing and the second bearing pedestal by bearing, switch on power transmission shaft and be installed with successively change gear, position-limited wheel and spacing shifting block, change gear and travelling gear are intermeshing;
Two guide vane end stop pillars are packed in the top of side plate about change gear symmetry, the upper end of the first guide vane end stop is sleeved on and is positioned on the guide vane end stop pillar of left side by a guide vane end stop spider, between the first guide vane end stop and side plate, be provided with a torque spring, the upper end of the second guide vane end stop is sleeved on and is positioned on the guide vane end stop pillar of right side by a guide vane end stop spider, between the second guide vane end stop and side plate, be provided with a torque spring, one end of two torque springs is all fixed on side plate, on the first guide vane end stop left side wall, be connected with the other end that is positioned at the torque spring in left side, on the second guide vane end stop right side wall, be connected with the other end that is positioned at the torque spring on right side, the first guide vane end stop middle part is fixed with a limit shaft on the end face that switches supporting bracket, the second guide vane end stop middle part is fixed with a limit shaft on the end face that switches supporting bracket, on two limit shafts, be all set with a limit shaft sleeve,
On position-limited wheel, be processed with limited impression, two limit shaft sleeves are positioned in the outer rim of position-limited wheel.
The beneficial effects of the utility model are:
On the travelling gear of the spring energy storage device of on load tap changer of the present utility model, be provided with the first reversed column and the second reversed column, extension spring drives the rotation angle range of travelling gear large, maximum can reach 160 degree, compare with the existing spring energy storage device of crossing dead point formula, greatly increased the stroke of travelling gear, be that relative operate time is long, the strength that can greatly strengthen like this extension spring improves responsiveness, has met motion or the switching time of quick mechanism;
The redundancy of extension spring power increases greatly, can overcome lubricated, extension spring is tired and the variation of environment for use factor produces spring energy storage device the resistance of quick mechanism, be successfully completed quick acting, greatly improved product reliability, reliability has improved more than 30%.
Accompanying drawing explanation
Fig. 1 is the spring energy storage device overall structure front view of on load tap changer of the present utility model, and Fig. 2 is the left view of Fig. 1.
Embodiment
Embodiment one: as shown in Figure 1-2, the spring energy storage device of the on load tap changer of present embodiment comprises side plate 1, switching shaft bearing 2, switch power transmission shaft 3, change gear 4, spacing shifting block 5, the first guide vane end stop 8, the second guide vane end stop 11, clutch shaft bearing seat 12, second driving shaft 13, travelling gear 14, switch shifting block 15, the second bearing pedestal 16, the 3rd power transmission shaft 17, driving sleeve 18, transmission shifting block 19, position-limited wheel 20, switch supporting bracket 21, extension spring 22, the first reversed column 23, the second reversed column 24, take off post 25, turning set 26, the 3rd bearing pedestal 27, two guide vane end stop pillars 6, two guide vane end stop spiders 7, two limit shafts 9, two limit shaft sleeves 10 and two torque springs 28,
Side plate 1 is with to switch supporting bracket 21 parallel and vertically arrange, and one end of the 3rd power transmission shaft 17 is arranged on the bottom of switching supporting bracket 21 by the 3rd bearing pedestal 27, and transmission shifting block 19 is packed on the other end of the 3rd power transmission shaft 17;
Second driving shaft 13 is arranged on the bottom of side plate 1 by clutch shaft bearing seat 12, second driving shaft 13 and the 3rd power transmission shaft 17 coaxially arrange, travelling gear 14 is arranged on second driving shaft 13 and at side plate 1 and switches between supporting bracket 21, travelling gear 14 is provided with the first reversed column 23 and the second reversed column 24 on the end face of transmission shifting block 19, the first reversed column 23 and the second reversed column 24 are made one with travelling gear 14, the one end of switching shifting block 15 is solidly set on second driving shaft 13, 25 levels that take off post are packed on the other end that switches shifting block 15, take off post on 25 and be set with successively driving sleeve 18 and turning set 26, one end of extension spring 22 is arranged on driving sleeve 18, the other end of extension spring 22 is fixed by fixed leg,
Switching shaft bearing 2 is packed in side plate 1 towards the top of switching supporting bracket 21 sidewalls, the second bearing pedestal 16 is packed in and switches supporting bracket 21 towards the top of side plate 1 sidewall, switching shaft bearing 2 and the second bearing pedestal 16 coaxially arrange, the two ends of switching power transmission shaft 3 are arranged on switching shaft bearing 2 and the second bearing pedestal 16 by bearing, switch on power transmission shaft 3 and be installed with successively change gear 4, position-limited wheel 20 and spacing shifting block 5, change gear 4 and travelling gear 14 are intermeshing;
Two guide vane end stop pillars 6 are packed in the top of side plate 1 about change gear 4 symmetries, the upper end of the first guide vane end stop 8 is sleeved on and is positioned on left side guide vane end stop pillar 6 by a guide vane end stop spider 7, between the first guide vane end stop 8 and side plate 1, be provided with a torque spring 28, the upper end of the second guide vane end stop 11 is sleeved on and is positioned on right side guide vane end stop pillar 6 by a guide vane end stop spider 7, between the second guide vane end stop 11 and side plate 1, be provided with a torque spring 28, one end of two torque springs 28 is all fixed on side plate 1, on the first guide vane end stop 8 left side walls, be connected with the other end that is positioned at the torque spring 28 in left side, on the second guide vane end stop 11 right side walls, be connected with the other end that is positioned at the torque spring 28 on right side, the first guide vane end stop 8 middle parts are fixed with a limit shaft 9 on the end face that switches supporting bracket 21, the second guide vane end stop 11 middle parts are fixed with a limit shaft 9 on the end face that switches supporting bracket 21, on two limit shafts 9, be all set with a limit shaft sleeve 10,
On position-limited wheel 20, be processed with limited impression 20-1, two limit shaft sleeves 10 are positioned in the outer rim of position-limited wheel 20.Limited impression 20-1 coordinates with limit shaft sleeve 10 can limit the random rotation of switching power transmission shaft 3, improves reliability;
During installation, the limit shaft sleeve 10 that makes position-limited wheel 20 and be positioned at left side coordinates travelling gear 14 is installed after spacing state, the limit shaft sleeve 10 that make the first reversed column 23 and the second residing position of reversed column 24 and position-limited wheel 20, is positioned at right side coordinate and position during spacing state symmetrical;
The first reversed column 23 with the second reversed column 24 relative to changing with the angle at travelling gear 14 centers the angle that travelling gear 14 rotates;
According to switching the gearratio of the needed anglec of rotation design of power transmission shaft 3 travelling gear 14 with change gear 4, can increase driving torque;
The upper limit shaft sleeve 10 of the first guide vane end stop 8 imposes on the direction of the power of position-limited wheel 20 and points to the axle center of switching power transmission shaft 3 under the effect that is positioned at left side torque spring 28, and the upper limit shaft sleeve 10 of the second guide vane end stop 11 imposes on the direction of the power of position-limited wheel 20 and points to the axle center of switching power transmission shaft 3 under the effect that is positioned at left side torque spring 28.
Embodiment two: as shown in Figure 1, the upper limit shaft sleeve 10 of present embodiment the first guide vane end stop 8 imposes on the direction of the power of position-limited wheel 20 and points to the axle center of switching power transmission shaft 3 under the effect that is positioned at left side torque spring 28.So design, can make limit shaft sleeve 10 reach best limit effect.Other composition and annexation are identical with embodiment one.
Embodiment three: as shown in Figure 1, the upper limit shaft sleeve 10 of present embodiment the second guide vane end stop 11 imposes on the direction of the power of position-limited wheel 20 and points to the axle center of switching power transmission shaft 3 under the effect that is positioned at left side torque spring 28.So design, can make limit shaft sleeve 10 reach best limit effect.Other composition and annexation are identical with embodiment one or two.
Embodiment four: as shown in Figure 2, be along the circumferential direction processed with annular groove 18-1 on present embodiment driving sleeve 18, one end of extension spring 22 is arranged on the annular groove 18-1 of driving sleeve 18.
So design, can make extension spring 22 spacing on annular groove 18-1.Other composition and annexation are identical with embodiment three.
Embodiment five: as shown in Figure 1, be processed with a plurality of lightening hole 20-2 on present embodiment position-limited wheel 20.So design, the deadweight that can alleviate position-limited wheel 20, reaches and subtracts underloaded effect.Other composition and annexation are identical with embodiment one, two or four.
Embodiment six: as shown in Figure 1, along the circumferential direction uniform setting of the lightening hole 20-2 of present embodiment position-limited wheel 20.So design, stressed even in the time of can making position-limited wheel 20 rotate.Other composition and annexation are identical with embodiment five.
Embodiment seven: as shown in Figure 1, the shape of present embodiment position-limited wheel 20 is fan-shaped.So design, stressed even in the time of can making position-limited wheel 20 rotate.Other composition and annexation are identical with embodiment five.
Operation principle:
As shown in Figure 1-2, switch the minimum point that shifting block 15 is positioned at circumference during work initial condition, extension spring 22 is in initial tensile force, and value of thrust is minimum;
When work starts, under the driving of reciprocating rotary drive unit, drive the 3rd power transmission shaft 17 to rotate counterclockwise, the 3rd power transmission shaft 17 rotates counterclockwise and drives transmission shifting block 19 counterclockwise synchronous rotaries, transmission shifting block 19 is counterclockwise, and synchronous rotary contacts and drive turning set 26, take off post 25 and switch shifting block 15 synchronous rotary upwards counterclockwise, pulls extension spring 22 storage pulling force simultaneously;
When switching shifting block 15 turns to b point, cross dead point, switch shifting block 15 simultaneously and in rotation, promote the first guide vane end stop 8 left, make limit shaft sleeve 10 on the first guide vane end stop 8 gradually away from position-limited wheel 20, remove the restriction of 10 pairs of position-limited wheels of limit shaft sleeve, the pulling force that now extension spring 22 is stored up discharges, under the effect of extension spring 22 pulling force, drive and take off post 25, switch shifting block 15 quick rotation, switching shifting block 15 contacts with the first reversed column 23, now the first reversed column 23 is arranged in the position that Fig. 1 B is ordered, switching shifting block 15 band nutating gears 14 rotates counterclockwise, travelling gear 14 rotates counterclockwise and drives change gear 4, position-limited wheel 20, spacing shifting block 5, switching power transmission shaft 3 turns clockwise, after extension spring 22 pulling force discharge fast, the 3rd power transmission shaft 17 stops operating, transmission shifting block 19 stops at the position of C, the pulling force that now change gear 4 is stored by extension spring 22 completely drives,
When the limited impression 20-1 of position-limited wheel 20 forwards to behind right side, the second guide vane end stop 11 is motion clockwise under the effect that is positioned at right side torque spring 28, limit shaft sleeve 10 on the second guide vane end stop 11 is entered in the limited impression 20-1 of position-limited wheel 20, stop position-limited wheel 20 and switch power transmission shaft 3 and rotate counterclockwise, switch subsequently shifting block 15 and stop at the position of a, the first reversed column 23 on travelling gear 14 stops on B ' position, the second reversed column 24 on travelling gear 14 stops on C ' position, initial tensile force state is got back in extension spring 22, a duty cycle job completes, wait for action next time,
When action next time, when the 3rd power transmission shaft 17 turns clockwise when rotating counterclockwise opposite direction, principle is identical.
When design, the first reversed column 23 and the second reversed column 24 can change for the angle at travelling gear 14 centers the angle that travelling gear 14 rotates, and this angle and travelling gear 14 have determined to switch the angle of power transmission shaft 3 output rotations with the gearratio of change gear 4.
Claims (7)
1. the spring energy storage device of an on load tap changer, it is characterized in that: spring energy storage device comprises side plate (1), switching shaft bearing (2), switch power transmission shaft (3), change gear (4), spacing shifting block (5), the first guide vane end stop (8), the second guide vane end stop (11), clutch shaft bearing seat (12), second driving shaft (13), travelling gear (14), switch shifting block (15), the second bearing pedestal (16), the 3rd power transmission shaft (17), driving sleeve (18), transmission shifting block (19), position-limited wheel (20), switch supporting bracket (21), extension spring (22), the first reversed column (23), the second reversed column (24), (25) take off post, turning set (26), the 3rd bearing pedestal (27), two guide vane end stop pillars (6), two guide vane end stop spiders (7), two limit shafts (9), two limit shaft sleeves (10) and two torque springs (28),
Side plate (1) is with to switch supporting bracket (21) parallel and vertically arrange, one end of the 3rd power transmission shaft (17) is arranged on the bottom of switching supporting bracket (21) by the 3rd bearing pedestal (27), transmission shifting block (19) is packed on the other end of the 3rd power transmission shaft (17);
Second driving shaft (13) is arranged on the bottom of side plate (1) by clutch shaft bearing seat (12), second driving shaft (13) coaxially arranges with the 3rd power transmission shaft (17), travelling gear (14) is arranged on second driving shaft (13) above and is positioned at side plate (1) and switches between supporting bracket (21), travelling gear (14) is provided with the first reversed column (23) and the second reversed column (24) on the end face of transmission shifting block (19), the first reversed column (23) and the second reversed column (24) are made one with travelling gear (14), the one end of switching shifting block (15) is solidly set on second driving shaft (13), (25) level that takes off post is packed on the other end that switches shifting block (15), take off post on (25) and be set with successively driving sleeve (18) and turning set (26), one end of extension spring (22) is arranged on driving sleeve (18), the other end of extension spring (22) is fixed by fixed leg,
Switching shaft bearing (2) is packed in side plate (1) towards the top of switching supporting bracket (21) sidewall, the second bearing pedestal (16) is packed in and switches supporting bracket (21) towards the top of side plate (1) sidewall, switching shaft bearing (2) coaxially arranges with the second bearing pedestal (16), the two ends of switching power transmission shaft (3) are arranged on switching shaft bearing (2) and the second bearing pedestal (16) by bearing, switch on power transmission shaft (3) and be installed with successively change gear (4), position-limited wheel (20) and spacing shifting block (5), change gear (4) and travelling gear (14) are intermeshing,
Two guide vane end stop pillars (6) are packed in the top of side plate (1) about change gear (4) symmetry, the upper end of the first guide vane end stop (8) is sleeved on and is positioned on left side guide vane end stop pillar (6) by a guide vane end stop spider (7), between the first guide vane end stop (8) and side plate (1), be provided with a torque spring (28), the upper end of the second guide vane end stop (11) is sleeved on and is positioned on right side guide vane end stop pillar (6) by a guide vane end stop spider (7), between the second guide vane end stop (11) and side plate (1), be provided with a torque spring (28), one end of two torque springs (28) is all fixed on side plate (1), on the first guide vane end stop (8) left side wall, be connected with the other end that is positioned at the torque spring (28) in left side, on the second guide vane end stop (11) right side wall, be connected with the other end that is positioned at the torque spring (28) on right side, the first guide vane end stop (8) middle part is fixed with a limit shaft (9) on the end face that switches supporting bracket (21), the second guide vane end stop (11) middle part is fixed with a limit shaft (9) on the end face that switches supporting bracket (21), on two limit shafts (9), be all set with a limit shaft sleeve (10),
On position-limited wheel (20), be processed with limited impression (20-1), two limit shaft sleeves (10) are positioned in the outer rim of position-limited wheel (20).
2. the spring energy storage device of on load tap changer according to claim 1, is characterized in that: the upper limit shaft sleeve (10) of the first guide vane end stop (8) imposes on the direction of the power of position-limited wheel (20) and points to the axle center of switching power transmission shaft (3) under the effect that is positioned at left side torque spring (28).
3. the spring energy storage device of on load tap changer according to claim 1 and 2, is characterized in that: the upper limit shaft sleeve (10) of the second guide vane end stop (11) imposes on the direction of the power of position-limited wheel (20) and points to the axle center of switching power transmission shaft (3) under the effect that is positioned at left side torque spring (28).
4. the spring energy storage device of on load tap changer according to claim 3, it is characterized in that: on driving sleeve (18), be along the circumferential direction processed with annular groove (18-1), one end of extension spring (22) is arranged on the annular groove (18-1) of driving sleeve (18).
5. according to the spring energy storage device of the on load tap changer described in claim 1,2 or 4, it is characterized in that: on position-limited wheel (20), be processed with a plurality of lightening holes (20-2).
6. the spring energy storage device of on load tap changer according to claim 5, is characterized in that: the along the circumferential direction uniform setting of lightening hole (20-2) of position-limited wheel (20).
7. the spring energy storage device of on load tap changer according to claim 5, is characterized in that: the shape of position-limited wheel (20) is fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140516.1U CN203774110U (en) | 2014-03-26 | 2014-03-26 | Spring energy storage device of on-load tap-changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140516.1U CN203774110U (en) | 2014-03-26 | 2014-03-26 | Spring energy storage device of on-load tap-changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774110U true CN203774110U (en) | 2014-08-13 |
Family
ID=51291268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420140516.1U Withdrawn - After Issue CN203774110U (en) | 2014-03-26 | 2014-03-26 | Spring energy storage device of on-load tap-changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774110U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871759A (en) * | 2014-03-26 | 2014-06-18 | 双城市机电技术开发有限公司 | Spring energy storage device for on-load tap-changer |
| CN113113246A (en) * | 2021-03-01 | 2021-07-13 | 北京航天控制仪器研究所 | Full-range boosting device for on-load tap-changer energy accumulator, energy accumulator and on-load tap-changer |
-
2014
- 2014-03-26 CN CN201420140516.1U patent/CN203774110U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871759A (en) * | 2014-03-26 | 2014-06-18 | 双城市机电技术开发有限公司 | Spring energy storage device for on-load tap-changer |
| CN113113246A (en) * | 2021-03-01 | 2021-07-13 | 北京航天控制仪器研究所 | Full-range boosting device for on-load tap-changer energy accumulator, energy accumulator and on-load tap-changer |
| CN113113246B (en) * | 2021-03-01 | 2023-11-10 | 北京航天控制仪器研究所 | Whole-course boosting device for on-load tap-changer accumulator, accumulator and on-load tap-changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |