CN102678869B - Transmission device for heliostat - Google Patents
Transmission device for heliostat Download PDFInfo
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- CN102678869B CN102678869B CN201210158550.7A CN201210158550A CN102678869B CN 102678869 B CN102678869 B CN 102678869B CN 201210158550 A CN201210158550 A CN 201210158550A CN 102678869 B CN102678869 B CN 102678869B
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- heliostat
- screw
- bearing
- transmission device
- driving mechanism
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Abstract
The invention relates to the field of solar energy application, and discloses a transmission device for a heliostat. The transmission device can be used for a solar tower-type generation system and a photovoltaic biaxial sun-tracking system. The transmission device for the heliostat comprises a shaft sleeve which is fixedly arranged on the top end of the vertical shaft of the heliostat horizontally, a rotating shaft which is matched with the shaft sleeve, a fixed plate which is connected with the end of the rotating shaft and the middle part of the back plate of the heliostat, and a transmission mechanism which is fixedly arranged on the shaft sleeve; the output end of the transmission mechanism is movably connected with the side part of the back plate of the heliostat; the transmission device for the heliostat is characterized in that the transmission mechanism comprises a combination of a gapless ball bearing lead screw with pre-tightening force and a nut; a shell body is arranged outside the nut; a gear is arranged in the shell body; outer teeth which are meshed with the gear are arranged on the nut; a driving motor which is in transmission connection with the gear is fixedly arranged outside the shell body; and the output end of the lead screw is movably connected onto the side part of the back plate of the heliostat.
Description
Technical field
The present invention relates to Application of Solar Energy field, particularly a kind of transmission device for heliostat, can be used in solar energy tower type power generation system and photovoltaic biaxial sun-tracking system.
Background technique
Along with the continuous expansion in Application of Solar Energy field and improving constantly of Application of Solar Energy technology, the supporting technology of related industry also develops more and more faster, simultaneously also more and more higher to the requirement of technology.Heliostat is as the important device of solar energy tower type power generation system, and its performance plays vital effect for raising power generation system efficiency.Solar energy tower type thermal generation needs a large amount of heliostats to be gathered by sunlight to be arranged on the heat exchanger of tower top, therefore heliostat needs to carry out solar tracking campaign to make the heat exchanger of reflection ray directive tower top always, and the solar tracking campaign of heliostat is then to rotate the twin shaft that (substantially horizontal axle) combine with pitching angle combine transmission to realize by horizontally rotating (Vertical direction axle).
At present, the Double-axis transmission of heliostat mainly contains two kinds.One is worm gear drive or adds gap adjusting mechanism.Such as, Chinese patent application CN201120031922.0 discloses a kind of transmission device for heliostat adopting Worm Wheel System; First reducing gear disclosed in Chinese patent application CN201110102033.3 and the second reducing gear adopt the transmission device of worm and gear engagement, and speed reducer comprises one for eliminating the backlash eliminating equipment in speed reducer drive gap; The disclosed worm gearing adopted of Chinese patent application CN201120066303.5, and worm screw rotating shaft is provided with the gap adjusting device regulating worm gear and worm screw gap.Another kind is that screw-nut body or part adopt ball-screw mechanism.Such as, Chinese patent application CN200510039114.8 is disclosed drives plane mirror and integral frame to be screw-nut body around the elevation angle regulating mechanism that transversal line rotates; Disclosed in Chinese patent application CN201020535889.0, transmission device only have employed ball-screw on the elevation angle.Drive part due to heliostat needs accurate gapless to move, above-mentioned screw-nut body or part adopt the technological scheme of ball-screw cannot reach the requirement of gapless motion, and turbine drives or the technological scheme that adds gap adjusting mechanism too complicated, efficiency is low, high cost.
Summary of the invention
The object of the present invention is to provide a kind of structure simple, with low cost, easy to operate and can effectively realize accurate gapless motion transmission device for heliostat.
In order to achieve the above object, the present invention adopts following technical solution to be achieved.
A kind of transmission device for heliostat, comprise the axle sleeve being horizontally fixed on heliostat vertical shaft top, the rotating shaft coordinated with axle sleeve, fixed plate in the middle part of connection rotating shaft end and heliostat backboard, and the driving mechanism be fixed on axle sleeve, the output terminal of driving mechanism is flexibly connected heliostat backboard edge, it is characterized in that, described driving mechanism comprises the gapless ball screw with pretightening force, the combination of screw, described screw is outside equipped with housing, gear is provided with in housing, described screw is provided with the external tooth with described gears meshing, described housing extenal fixation has the drive motor be connected with described gear transmission, the output terminal of described leading screw is flexibly connected heliostat backboard edge.
Feature of the present invention and further improvement are:
The middle part of described screw is protruded and is arranged described external tooth, and two end part are respectively installed with clutch shaft bearing, clutch shaft bearing outer ring and described housing drive fit.
The output terminal of described leading screw is laterally fixed with bearing pin, and heliostat backboard edge is fixed with bearing support, is provided with the second bearing in bearing support, the inner ring drive fit of described bearing pin and described second bearing.
Described heliostat vertical shaft top is provided with horizontal rotation body, solid of rotation is arranged described axle sleeve, described heliostat vertical shaft is fixed with the identical driving mechanism of another structure, and described driving mechanism output terminal is flexibly connected described solid of rotation.
In transmission device for heliostat of the present invention, its driving mechanism adopts has the gapless ball screw of pretightening force, the combination of screw, both ensure that the accurate gapless motion of device, enormously simplify again the load module of device, and carried and high performancely reduce cost of installation and use simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the structural representation of a kind of transmission device for heliostat of the present invention;
Fig. 2 is the internal structure schematic diagram of driving mechanism;
Fig. 3 is the structural representation of solid of rotation.
In figure: 1, leading screw; 2, axle sleeve; 3, solid of rotation; 301, axle; 302, upper supporting sleeve; 303, lower support cover; 304, cover plate; 305, the 3rd bearing; 306, the 4th bearing; 4, vertical shaft; 5, fixed plate; 6, dunnage; 7, motor; 8, housing; 9, bearing support; 10, rotating shaft; 11, heliostat backboard; 12, the second bearing; 13, bearing pin; 14, screw; 15, ball; 16, clutch shaft bearing; 17, gear; 18, drive motor; 19, retaining ring.
Embodiment
With reference to Fig. 1, for a kind of transmission device for heliostat of the present invention, wherein, heliostat vertical shaft top is provided with horizontal rotation body 3, solid of rotation 3 is arranged axle sleeve 2, fixed in the middle part of the end of the rotating shaft 10 coordinated with axle sleeve 2 and heliostat backboard 11 by fixed plate 5, axle sleeve 2 is outer fixes a driving mechanism by dunnage 6, the output terminal of this driving mechanism is flexibly connected heliostat backboard 11 edge, for the pitching movement of heliostat; The vertical shaft 4 of heliostat is fixed with the identical driving mechanism of another structure, this driving mechanism output terminal is flexibly connected solid of rotation 3, for the horizontal revolving motion of heliostat.
Composition graphs 2, the transmission motivation structure for the pitching movement of heliostat is that example is described.Comprise in this driving mechanism there is pretightening force gapless ball 15, leading screw 11, screw 14 combination, housing 8 is outside equipped with at screw 14, gear 17 is provided with in housing 8, screw 14 is provided with the external tooth engaged with this gear 17, housing 8 extenal fixation has the drive motor 18 be in transmission connection with gear 17.Wherein, the middle part of screw 14 is protruded, and external tooth 17 is arranged on the middle part of screw 14, and the two end part of screw 14 are set with two clutch shaft bearings 16, two clutch shaft bearing 16 outer rings respectively with housing 8 drive fit, be provided with two retaining rings 19 for clutch shaft bearing 16 at the two ends of housing 8 simultaneously.The output terminal of leading screw 1 is laterally fixed with bearing pin 13, and heliostat backboard 11 edge is fixed with bearing support 9, is provided with the second bearing 12 in bearing support 9, the inner ring drive fit of bearing pin 13 and the second bearing 12.
Composition graphs 3, in solid of rotation 3, be set with supporting sleeve 302 and lower support cover 303 outside axle 301, upper supporting sleeve 302 is fixed by the cover plate 304 on axle 301 top, is provided with the 3rd bearing 305 between upper supporting sleeve 302 and lower support cover 303.The Basolateral of axle 301 is provided with outer step, is provided with the 4th bearing 306 between outer step and lower support cover 303.Like this, upper supporting sleeve 302 and lower support cover 303 can rotate by relative level.In the present embodiment, lower support cover 303 is fixed on the column 4 of heliostat, fixed axle sleeve 2 and corresponding driving mechanism on upper supporting sleeve 302.
Although be below described embodiment of the present invention by reference to the accompanying drawings, the present invention is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of this specification, and when not departing from the scope that the claims in the present invention are protected, can also make a variety of forms, these all belong to the row of the present invention's protection.
Claims (3)
1. a transmission device for heliostat, comprise the axle sleeve being horizontally fixed on heliostat vertical shaft top, the rotating shaft coordinated with axle sleeve, fixed plate in the middle part of connection rotating shaft end and heliostat backboard, and the driving mechanism be fixed on axle sleeve, the output terminal of driving mechanism is flexibly connected heliostat backboard edge, it is characterized in that, described driving mechanism comprises the gapless ball screw with pretightening force, the combination of screw, described screw is outside equipped with housing, gear is provided with in housing, described screw is provided with the external tooth with described gears meshing, described housing extenal fixation has the drive motor be connected with described gear transmission, the output terminal of described leading screw is flexibly connected heliostat backboard edge, the middle part of described screw is protruded and is arranged described external tooth, and two end part are respectively installed with clutch shaft bearing, clutch shaft bearing outer ring and described housing drive fit.
2. transmission device for heliostat according to claim 1, it is characterized in that, the output terminal of described leading screw is laterally fixed with bearing pin, and heliostat backboard edge is fixed with bearing support, the second bearing is provided with, the inner ring drive fit of described bearing pin and described second bearing in bearing support.
3. transmission device for heliostat according to claim 1, it is characterized in that, described heliostat vertical shaft top is provided with horizontal rotation body, solid of rotation is arranged described axle sleeve, described heliostat vertical shaft is fixed with the identical driving mechanism of another structure, described driving mechanism output terminal is flexibly connected described solid of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210158550.7A CN102678869B (en) | 2012-05-22 | 2012-05-22 | Transmission device for heliostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210158550.7A CN102678869B (en) | 2012-05-22 | 2012-05-22 | Transmission device for heliostat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102678869A CN102678869A (en) | 2012-09-19 |
| CN102678869B true CN102678869B (en) | 2015-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210158550.7A Expired - Fee Related CN102678869B (en) | 2012-05-22 | 2012-05-22 | Transmission device for heliostat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102678869B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486189B (en) * | 2020-04-16 | 2021-07-13 | 北京空间飞行器总体设计部 | Reusable small celestial body surface attachment buffer mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5622078A (en) * | 1995-08-21 | 1997-04-22 | Mattson; Brad A. | Linear/helix movement support/solar tracker |
| CN2373631Y (en) * | 1999-04-27 | 2000-04-12 | 北京市机电研究院 | Circular motion micro-displacement driving mechanism without gap |
| JP3557204B1 (en) * | 2004-03-22 | 2004-08-25 | 株式会社日出電機 | Tracking type solar panel operation device |
| CN201187912Y (en) * | 2008-04-14 | 2009-01-28 | 管国宝 | Rotatable solar support |
| CN201830176U (en) * | 2010-10-11 | 2011-05-11 | 宁夏银星能源股份有限公司 | Double-shaft photovoltaic generator capable of tracking solar energy |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202628980U (en) * | 2012-05-22 | 2012-12-26 | 陕西长岭光伏电气有限公司 | Transmission device for heliostat |
-
2012
- 2012-05-22 CN CN201210158550.7A patent/CN102678869B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5622078A (en) * | 1995-08-21 | 1997-04-22 | Mattson; Brad A. | Linear/helix movement support/solar tracker |
| CN2373631Y (en) * | 1999-04-27 | 2000-04-12 | 北京市机电研究院 | Circular motion micro-displacement driving mechanism without gap |
| JP3557204B1 (en) * | 2004-03-22 | 2004-08-25 | 株式会社日出電機 | Tracking type solar panel operation device |
| CN201187912Y (en) * | 2008-04-14 | 2009-01-28 | 管国宝 | Rotatable solar support |
| CN201830176U (en) * | 2010-10-11 | 2011-05-11 | 宁夏银星能源股份有限公司 | Double-shaft photovoltaic generator capable of tracking solar energy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102678869A (en) | 2012-09-19 |
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Granted publication date: 20150304 Termination date: 20190522 |