CN102678869A - Transmission device for heliostat - Google Patents
Transmission device for heliostat Download PDFInfo
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- CN102678869A CN102678869A CN2012101585507A CN201210158550A CN102678869A CN 102678869 A CN102678869 A CN 102678869A CN 2012101585507 A CN2012101585507 A CN 2012101585507A CN 201210158550 A CN201210158550 A CN 201210158550A CN 102678869 A CN102678869 A CN 102678869A
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- heliostat
- transmission device
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- bearing
- 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 the Application of Solar Energy field, particularly a kind of heliostat is used transmission device, can be used in solar energy tower type power generation system and photovoltaic twin shaft 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 sooner, and is also increasingly high to the requirement of technology simultaneously.Heliostat is as the important device of solar energy tower type power generation system, and its performance plays crucial effects for improving power generation system efficient.Solar energy tower type thermal generation needs a large amount of heliostats sunlight to be gathered on the heat exchanger that is installed in cat head; Therefore heliostat need carry out the solar tracking campaign so that the reflection ray heat exchanger of directive cat head always, and the solar tracking campaign of heliostat then is to rotate the twin shaft associating transmission that (substantially horizontal axle) combine and realize through horizontally rotating (Vertical direction axle) and pitching angle.
At present, the twin shaft transmission of heliostat mainly contains two kinds.A kind ofly be worm gear drive or add gap adjusting mechanism.For example, one Chinese patent application CN201120031922.0 discloses a kind of heliostat of worm and gear transmission that adopts and has used transmission device; Disclosed first reducing gear of one Chinese patent application CN201110102033.3 and second reducing gear adopt the transmission device of worm and gear engagement, and speed reducer comprises a backlash eliminating equipment that is used to eliminate the speed reducer drive gap; The worm gearing of the disclosed employing of one Chinese patent application CN201120066303.5, and the worm screw rotating shaft is provided with the gap adjusting device of regulating worm gear and worm screw gap.Another kind is that screw-nut body or part adopt ball-screw mechanism.For example, disclosed driving plane mirror of one Chinese patent application CN200510039114.8 and integral frame are screw-nut body around the elevation angle regulating mechanism that transversal line rotates; The disclosed transmission device of one Chinese patent application CN201020535889.0 has only adopted ball-screw on the elevation angle.Because the drive part of heliostat needs the motion of accurate no gap; Above-mentioned screw-nut body or part adopt the technological scheme of ball-screw can't reach the requirement of no gap motion; And turbine drives or the technological scheme that adds gap adjusting mechanism are too complicated, and efficient is low, and cost is too high.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, with low cost, easy to operate and can realize effectively that the heliostat that moves in accurate no gap uses transmission device.
In order to achieve the above object, the present invention adopts following technical solution to be achieved.
A kind of heliostat is used transmission device, comprises the axle sleeve that is horizontally fixed on heliostat vertical shaft top, the rotating shaft that cooperates with axle sleeve; Connect the fixed plate at roller end and heliostat backboard middle part, and be fixed on the driving mechanism on the axle sleeve, the output terminal of driving mechanism flexibly connects heliostat backboard limit portion; It is characterized in that; Said driving mechanism comprises the no gap ball screw with pretightening force, the combination of screw, and said screw is outside equipped with housing, is provided with gear in the housing; Said screw is provided with the external tooth with said gear engagement, and said housing outer fixing has the drive motor that is connected with said gear transmission; The output terminal of said leading screw flexibly connects heliostat backboard limit portion.
Characteristics of the present invention are with further improving:
The middle part protrusion of said screw also is provided with said external tooth, and two end part are set with clutch shaft bearing respectively, clutch shaft bearing outer ring and said housing drive fit.
The output terminal crosswise fixed of said leading screw has bearing pin, and heliostat backboard limit portion is fixed with bearing support, is provided with second bearing in the bearing support, the inner ring drive fit of said bearing pin and said second bearing.
Said heliostat vertical shaft top is provided with the horizontal rotation body, and said axle sleeve is set on the solid of rotation, is fixed with the identical driving mechanism of another structure on the said heliostat vertical shaft, and said driving mechanism output terminal flexibly connects said solid of rotation.
Heliostat of the present invention is with in the transmission device; Its driving mechanism adopts has the no gap ball screw of pretightening force, the combination of screw; Both guaranteed that the precision of device do not have the gap motion, simplified the load module of device again greatly, reduced cost of installation and use when improving performance.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Fig. 1 is the structural representation of a kind of heliostat of the present invention with transmission device;
Fig. 2 is the internal structure schematic representation of driving mechanism;
Fig. 3 is the structural representation of solid of rotation.
Among the figure: 1, leading screw; 2, axle sleeve; 3, solid of rotation; 301, axle; 302, upper support cover; 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, 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 heliostat of the present invention is used transmission device, wherein; Heliostat vertical shaft top is provided with horizontal rotation body 3; Axle sleeve 2 is set on the solid of rotation 3, and the end of the rotating shaft 10 that cooperates with axle sleeve 2 and heliostat backboard 11 middle parts are fixing through fixed plate 5, and axle sleeve 2 is outer through dunnage 6 fixing driving mechanisms; The output terminal of this driving mechanism flexibly connects heliostat backboard 11 limit portions, is used for the pitching movement of heliostat; Be fixed with the identical driving mechanism of another structure on the vertical shaft 4 of heliostat, this driving mechanism output terminal flexibly connects solid of rotation 3, is used for the motion that horizontally rotates of heliostat.
In conjunction with Fig. 2, be that example describes with the transmission actuation mechanism of the pitching movement that is used for heliostat.Comprise the combination of no gap ball 15 with pretightening force, leading screw 11, screw 14 in this driving mechanism; Be outside equipped with housing 8 at screw 14; Be provided with gear 17 in the housing 8; Screw 14 is provided with the external tooth with 17 engagements of this gear, and housing 8 outer fixing have the drive motor 18 that is in transmission connection with gear 17.Wherein, The middle part protrusion of screw 14, 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 fits, be provided with two retaining rings 19 that are used for clutch shaft bearing 16 simultaneously at the two ends of housing 8.The output terminal crosswise fixed of leading screw 1 has bearing pin 13, and heliostat backboard 11 limit portions are fixed with bearing support 9, are provided with second bearing 12 in the bearing support 9, the inner ring drive fit of the bearing pin 13 and second bearing 12.
In conjunction with Fig. 3, in the solid of rotation 3, axle 301 outer upper support cover 302 and the lower support covers 303 of being set with, last supporting sleeve 302 is fixing through the cover plate 304 on axle 301 tops, is provided with the 3rd bearing 305 between upper support cover 302 and the lower support cover 303.The bottom arranged outside of axle 301 has outer step, is provided with the 4th bearing 306 between outer step and the lower support cover 303.Like this, upper support cover 302 can horizontally rotate with lower support cover 303 relatively.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 the upper support cover 302.
Although more than combine accompanying drawing that embodiment of the present invention are described, the present invention is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments only is schematic, guiding, rather than restrictive.Those of ordinary skill in the art under the situation that does not break away from the scope that claim of the present invention protects, can also make a variety of forms under the enlightenment of this specification, these all belong to the row of the present invention's protection.
Claims (4)
1. a heliostat is used transmission device, comprises the axle sleeve that is horizontally fixed on heliostat vertical shaft top, the rotating shaft that cooperates with axle sleeve; Connect the fixed plate at roller end and heliostat backboard middle part, and be fixed on the driving mechanism on the axle sleeve, the output terminal of driving mechanism flexibly connects heliostat backboard limit portion; It is characterized in that; Said driving mechanism comprises the no gap ball screw with pretightening force, the combination of screw, and said screw is outside equipped with housing, is provided with gear in the housing; Said screw is provided with the external tooth with said gear engagement, and said housing outer fixing has the drive motor that is connected with said gear transmission; The output terminal of said leading screw flexibly connects heliostat backboard limit portion.
2. heliostat according to claim 1 is used transmission device, it is characterized in that, the middle part protrusion of said screw also is provided with said external tooth, and two end part are set with clutch shaft bearing respectively, clutch shaft bearing outer ring and said housing drive fit.
3. heliostat according to claim 1 is used transmission device; It is characterized in that the output terminal crosswise fixed of said leading screw has bearing pin, heliostat backboard limit portion is fixed with bearing support; Be provided with second bearing in the bearing support, the inner ring drive fit of said bearing pin and said second bearing.
4. heliostat according to claim 1 is used transmission device; It is characterized in that; Said heliostat vertical shaft top is provided with the horizontal rotation body; Said axle sleeve is set on the solid of rotation, is fixed with the identical driving mechanism of another structure on the said heliostat vertical shaft, said driving mechanism output terminal flexibly connects said 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 true CN102678869A (en) | 2012-09-19 |
| CN102678869B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486189A (en) * | 2020-04-16 | 2020-08-04 | 北京空间飞行器总体设计部 | Reusable small celestial body surface attachment buffer mechanism |
Citations (6)
| 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 |
| 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 (6)
| 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 |
| CN202628980U (en) * | 2012-05-22 | 2012-12-26 | 陕西长岭光伏电气有限公司 | Transmission device for heliostat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486189A (en) * | 2020-04-16 | 2020-08-04 | 北京空间飞行器总体设计部 | Reusable small celestial body surface attachment buffer mechanism |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102678869B (en) | 2015-03-04 |
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Granted publication date: 20150304 Termination date: 20190522 |