CN113503652A - Solar heliostat rotating mechanism - Google Patents
Solar heliostat rotating mechanism Download PDFInfo
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- CN113503652A CN113503652A CN202110758446.0A CN202110758446A CN113503652A CN 113503652 A CN113503652 A CN 113503652A CN 202110758446 A CN202110758446 A CN 202110758446A CN 113503652 A CN113503652 A CN 113503652A
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- bevel gear
- driving
- gear
- outer cylinder
- driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gear Transmission (AREA)
Abstract
本发明涉及一种太阳能定日镜旋转机构，包括内筒，所述内筒通过立柱固定于地面，所述内筒上套设有用于固定反射镜安装架的外筒，所述内筒中部设置有旋转轴，所述旋转轴与外筒之间设置有轴承，所述外筒可绕旋转轴转动；所述外筒上还设置有用于驱动外筒旋转的驱动机构，驱动机构包括固定在内筒上的从动锥齿轮及固定在外筒上的主动锥齿轮，外筒上还设置有用于驱动主动锥齿轮正反转的电机，所述电机驱动主动锥齿轮沿从动锥齿轮转动，从而带动外筒沿内筒旋转。本发明解决现有技术中太阳能光热发电镜场中的定日镜不能360度正反转，无法全天候以最佳角度对准太阳以及安装调试成本高的技术问题。
The invention relates to a solar heliostat rotating mechanism, comprising an inner cylinder, the inner cylinder is fixed on the ground through a vertical column, an outer cylinder for fixing a mirror mounting frame is sleeved on the inner cylinder, and a middle part of the inner cylinder is provided with There is a rotating shaft, a bearing is arranged between the rotating shaft and the outer cylinder, and the outer cylinder can rotate around the rotating shaft; the outer cylinder is also provided with a driving mechanism for driving the rotation of the outer cylinder, and the driving mechanism includes a fixed The driven bevel gear on the cylinder and the driving bevel gear fixed on the outer cylinder, the outer cylinder is also provided with a motor for driving the driving bevel gear forward and reverse rotation, the motor drives the driving bevel gear to rotate along the driven bevel gear, thereby driving The outer cylinder rotates along the inner cylinder. The invention solves the technical problems in the prior art that the heliostats in the solar photothermal power generation mirror field cannot be 360-degree forward and reversed, cannot be aimed at the sun at an optimum angle all day long, and the installation and debugging costs are high.
Description
Technical Field
The invention relates to the technical field of solar photo-thermal power generation equipment, in particular to a solar heliostat rotating mechanism.
Background
The solar-thermal power generation system comprises a heliostat and a heat absorption tower, wherein the heliostat is used for collecting solar radiation energy and converging the solar radiation energy to the heat absorption tower. Heliostat for solar-thermal power generation among the prior art includes the stand, around the axis pin joint of stand in the rotating turret of stand upper end department, install mirror surface frame and the fixed mounting a plurality of mirror surface subassemblies on the mirror surface frame on the rotating turret. The rotating frame can horizontally rotate around the upright post, and the mirror surface frame can also make pitching motion on the rotating frame to drive the mirror surface assembly to horizontally rotate and pitch motion around the upright post so as to adjust the normal direction of the reflector and ensure that sunlight is reflected to a heat absorber on the heat absorbing tower according to requirements.
The mirror surface angle of the heliostat comprises an altitude angle related to the mirror surface pitching angle and an azimuth angle related to the direction and the direction of the mirror surface, the azimuth angle driving device is commonly provided with a rotary speed reducer, a gear rack and a push rod, and the currently more commonly used single push rod pushes the mirror surface to rotate so as to adjust the azimuth angle. The azimuth angle of the heliostat is adjusted to be greater than 240 degrees in order to pursue an optimum reflection angle throughout the day. However, due to the motion interference between the push rod and the upright post, the rotation angle is limited (less than 240 degrees), so that some heliostats in the field of the solar photo-thermal power generation mirror cannot be aligned to the sun at an optimal angle all the day. In the prior art, for such heliostats with azimuth angles rotatable by less than 240 degrees, in order to ensure that the heliostats maximally utilize reflected sunlight, different-azimuth installation and debugging are required to be performed on the heliostats at different positions during installation, so that the installation workload and the debugging cost are increased, and even if the heliostats are installed and debugged in a targeted manner, the heliostats with a part of azimuth angle operation angle range exceeding 240 degrees in a heliostat field still cannot normally work in the morning or in the evening; therefore, the heliostat can rotate forwards and backwards by 360 degrees, can stably run in the rotating process, and is a technical problem to be solved urgently in the prior art.
Disclosure of Invention
The invention aims to provide a solar heliostat rotating mechanism, and aims to solve the technical problems that heliostats in a solar photo-thermal power generation mirror field in the prior art cannot rotate forwards and backwards for 360 degrees, cannot aim at the sun at an optimal angle in all weather, and is high in installation and debugging cost.
The technical scheme of the invention is as follows:
the utility model provides a solar heliostat rotary mechanism, includes the inner tube, the inner tube is fixed in ground through the stand, its characterized in that: the inner cylinder is sleeved with an outer cylinder for fixing a reflector mounting frame, a rotating shaft is arranged in the middle of the inner cylinder, a bearing is arranged between the rotating shaft and the outer cylinder, and the outer cylinder can rotate around the rotating shaft; the outer barrel is further provided with a driving mechanism used for driving the outer barrel to rotate, the driving mechanism comprises a driven bevel gear fixed on the inner barrel and a driving bevel gear fixed on the outer barrel, the driving bevel gear is meshed with the driven bevel gear, the outer barrel is further provided with a motor used for driving the driving bevel gear to rotate forwards and backwards, and the motor drives the driving bevel gear to rotate along the driven bevel gear, so that the outer barrel is driven to rotate along the inner barrel.
The outer barrel is provided with a bearing seat, the driving bevel gear is rotatably arranged in the bearing seat through a tapered roller bearing, an adjusting gasket is arranged between the tapered roller bearings, the right end of the driving bevel gear is provided with a guide bearing, and the left end of the driving bevel gear is provided with a flange and a nut used for fastening the flange.
The bearing seat is fixedly provided with a gear box, the inner flange of the gear box is connected with a driven gear, the outer side of the gear box is fixedly provided with a motor and a speed reducer, the output shaft of the motor in the gear box is fixedly provided with a driving gear, and the driving gear is meshed with the driven gear; the motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driven gear drives the driving bevel gear to do rotary motion along the track of the tooth surface of the driven bevel gear.
The outer barrel is used for fixing and adjusting the fit clearance of the tapered roller bearing, and the outer barrel is ensured to rotate flexibly along the rotating shaft.
The outer barrel is provided with two driving bevel gears, the two driving bevel gears are symmetrically arranged, and the two driving bevel gears are meshed with the driven bevel gears.
The outer barrel is provided with a plurality of driving bevel gears, and the driving bevel gears are all meshed with the driven bevel gears.
And a roller convenient for guiding rotation is arranged at the matching part of the lower end of the outer barrel and the inner barrel.
The guide bearing arranged at the right end of the drive bevel gear is fixed on the outer cylinder through a positioning plate; and a flange oil seal is arranged between the bearing seat and the flange.
Wherein, the driving bevel gear and the driven bevel gear can adopt spiral gears or hyperboloid gears.
Wherein, be provided with the closing cap that prevents the dust entering on the urceolus.
The invention has the following beneficial effects:
1. the outer cylinder is provided with a driving mechanism for driving the outer cylinder to rotate, the driving mechanism comprises a driven bevel gear fixed on the inner cylinder and a driving bevel gear fixed on the outer cylinder, the driving bevel gear is meshed with the driven bevel gear, and a motor drives the driving bevel gear to rotate along the track of the tooth surface of the driven bevel gear, so that the outer cylinder can be driven to rotate 360 degrees along the inner cylinder, and the technical problems that a heliostat in a solar photo-thermal power generation mirror field in the prior art cannot rotate 360 degrees forwards and backwards, cannot aim at the sun at an optimal angle in all weather and is high in installation and debugging cost are solved; the driving bevel gear and the driven bevel gear are rotatably arranged in the bearing seat through the tapered roller bearing, the adjusting gasket is arranged between the tapered roller bearings, the mounting position of the driving bevel gear can be adjusted through the adjusting gasket, the meshing gap between the driving bevel gear and the driven bevel gear is adjusted, shaking caused by the matching gap in operation is avoided, and the heliostat is ensured to stably operate in the rotating process.
2. A gear box is fixed on a bearing seat, a driven gear is connected on an inner flange of the gear box, a motor and a speed reducer are fixed on the outer side of the gear box, a driving gear is fixed on an output shaft of the motor in the gear box, the motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driven gear drives a driving bevel gear to do rotary motion along a track of a tooth surface of the driven bevel gear; the motor, the speed reducer, the driving and driven gear and the driving and driven bevel gear are adopted to realize the back-passing motion of the driving system along the track of the tooth surface, and realize large torque, low rotating speed and stable operation.
3. The middle part of the inner cylinder is provided with a rotating shaft, a thrust bearing, an inner conical roller bearing, an outer conical roller bearing, a pressing block and an adjusting nut are sequentially arranged on the rotating shaft, an inner ring of the conical roller bearing is arranged on the rotating shaft, and an outer ring of the conical roller bearing is arranged on the outer cylinder; through setting up thrust bearing and tapered roller bearing to accessible adjusting nut fastens and adjusts tapered roller bearing's fit clearance, reduces the rotation resistance, guarantees that the urceolus rotates in a flexible way along the rotation axis.
4. The outer barrel is provided with a plurality of driving bevel gears which are all meshed with driven bevel gears; the driving bevel gear and the supporting system are added, so that the supporting rigidity is improved, the torque is balanced, and the whole mechanism runs more stably.
5. The roller is arranged at the matching part of the lower end of the outer cylinder and the inner cylinder, so that the roller has a guiding effect and the outer cylinder can rotate along the inner cylinder more flexibly.
Drawings
Fig. 1 is a schematic structural view of a solar heliostat rotation mechanism of the invention;
FIG. 2 is a top view of a solar heliostat rotation mechanism of the invention;
fig. 3 is a schematic structural view of a second embodiment of the solar heliostat rotation mechanism of the invention;
the reference numbers in the figures denote:
1-an inner cylinder; 2-outer cylinder; 3-a rotating shaft; 4-driven bevel gear; 5-a drive bevel gear; 6, a motor; 7-bearing seats; 8-tapered roller bearings; 9-adjusting the spacer; 10-a guide bearing; 11-a flange; 12-a nut; 13-a gearbox; 14-a driven gear; 15-a speed reducer; 16-a drive gear; 17-a thrust bearing; 18-inner tapered roller bearing; 19-outer tapered roller bearing; 20-briquetting; 21-adjusting the nut; 22-a roller; 23-a positioning plate; 24-flange oil seal; 25-sealing the cover; 26-bolt; 27-a locating pin; 28-closing plate.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
The first embodiment is as follows:
referring to fig. 1 to 3, the solar heliostat rotating mechanism comprises a circular inner cylinder 1, wherein the inner cylinder 1 is fixed on the ground through an upright post, an outer cylinder 2 for fixing a reflector mounting rack is sleeved on the inner cylinder 1, a rotating shaft 3 is arranged in the middle of the inner cylinder 1, a bearing is arranged between the rotating shaft 3 and the outer cylinder 2, and the outer cylinder 2 can rotate around the rotating shaft 3; the outer barrel 2 is further provided with a driving mechanism for driving the outer barrel 2 to rotate, the driving mechanism comprises a driven bevel gear 4 fixed on the inner barrel 1 and a driving bevel gear 5 fixed on the outer barrel 2, the driving bevel gear 5 is meshed with the driven bevel gear 4, the outer barrel 2 is further provided with a motor 6 for driving the driving bevel gear 5 to rotate forwards and backwards, and the motor 6 drives the driving bevel gear 5 to rotate along the driven bevel gear 4, so that the outer barrel 2 is driven to rotate along the inner barrel 1.
Further, a bearing seat 7 is arranged on the outer cylinder 2, the bearing seat 7 is fixed on the outer cylinder 2 through a bolt 26 and a positioning pin 27, the drive bevel gear 5 is rotatably arranged in the bearing seat 7 through a tapered roller bearing 8, an adjusting gasket 9 is arranged between the tapered roller bearings 8, a guide bearing 10 is arranged at the right end of the drive bevel gear 5, and the guide bearing 10 is fixed on the outer cylinder 2 through a positioning plate 23; the left end of the driving bevel gear 5 is provided with a flange 11 and a nut 12 for fastening the flange 11; a flange oil seal 24 for preventing dust from entering is arranged between the bearing seat 7 and the flange 11.
Further, a gear box 13 is fixed on the bearing seat 7, a driven gear 14 is connected on an inner flange 11 of the gear box 13, a motor 6 and a speed reducer 15 are fixed on the outer side of the gear box 13, a driving gear 16 is fixed on an output shaft of the motor 6 in the gear box 13, and the driving gear 16 is meshed with the driven gear 14; the motor 6 drives the driving gear 16 to rotate, the driving gear 16 drives the driven gear 14 to rotate, the driven gear 14 drives the driving bevel gear 5 to do rotary motion along the track of the tooth surface of the driven bevel gear 4, the number of teeth of the driving gear 16 is 15-25, and the number of teeth of the driven gear 14 is 125-135.
Further, a thrust bearing 17, an inner tapered roller bearing 18, an outer tapered roller bearing 19, a pressing block 20 and an adjusting nut 21 are sequentially mounted on the rotating shaft 3, an inner ring of the tapered roller bearing 8 is mounted on the rotating shaft 3, an outer ring of the tapered roller bearing 8 is mounted on the outer cylinder 2, and the adjusting nut 21 is used for fastening and adjusting a fit clearance of the tapered roller bearing 8, so that the outer cylinder 2 is ensured to flexibly rotate along the rotating shaft 3; a cover 25 for preventing dust from entering is arranged on the outer cylinder 2 above the rotating shaft 3.
Further, a spigot is arranged on the inner side of the lower end of the outer cylinder 2, a plurality of rollers 22 are mounted on the spigot, and a sealing plate 28 is arranged at the lower end of the spigot; the outer cylinder 2 is rotatable along the inner cylinder 1 by means of rollers 22.
Further, the drive bevel gear 5 and the driven bevel gear 4 may be helical gears or hypoid gears.
Example two:
compared with the first embodiment, the difference is that a plurality of driving bevel gears 5 are arranged on the outer cylinder 2, and the plurality of driving bevel gears 5 are all meshed with the driven bevel gears 4; the drive bevel gear 5 is rotatably arranged in a bearing seat 7 through a tapered roller bearing 8, an adjusting gasket 9 is arranged between the tapered roller bearings 8, a guide bearing 10 is arranged at the right end of the drive bevel gear 5, and a flange 11 and a nut 12 for fastening the flange 11 are arranged at the left end of the drive bevel gear 5. The implementation solves the technical problem and has the technical effect which are the same as the first embodiment; meanwhile, a plurality of driving bevel gears 5 and supporting systems are added, so that the supporting rigidity and the balance moment are improved, and the whole mechanism runs more stably.
In the description of the present invention, it is to be understood that the terms "upper end", "lower end", "left end", "right end", "one side", "forward", "close to", "inside", "up", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a solar heliostat rotary mechanism, includes inner tube (1), inner tube (1) is fixed in ground, its characterized in that through the stand: the reflector mounting device is characterized in that an outer barrel (2) used for fixing a reflector mounting rack is sleeved on the inner barrel (1), a rotating shaft (3) is arranged in the middle of the inner barrel (1), a bearing is arranged between the rotating shaft (3) and the outer barrel (2), and the outer barrel (2) can rotate around the rotating shaft (3); still be provided with on urceolus (2) and be used for driving the rotatory actuating mechanism of urceolus (2), actuating mechanism including fixing driven bevel gear (4) on inner tube (1) and fixing drive bevel gear (5) on urceolus (2), drive bevel gear (5) mesh mutually with driven bevel gear (4), still be provided with on urceolus (2) and be used for driving motor (6) that drive bevel gear (5) are just reversing, motor (6) drive bevel gear (5) rotate along driven bevel gear (4) to it is rotatory along inner tube (1) to drive urceolus (2).
2. A solar heliostat rotation mechanism of claim 1 wherein: the outer barrel (2) is provided with a bearing seat (7), the driving bevel gear (5) is rotatably arranged in the bearing seat (7) through a tapered roller bearing (8), an adjusting gasket (9) is arranged between the tapered roller bearings (8), the right end of the driving bevel gear (5) is provided with a guide bearing (10), and the left end of the driving bevel gear (5) is provided with a flange (11) and a nut (12) for fastening the flange (11).
3. A solar heliostat rotation mechanism of claim 2 wherein: a gear box (13) is fixed on the bearing seat (7), a driven gear (14) is connected on an inner flange (11) of the gear box (13), a motor (6) and a speed reducer (15) are fixed on the outer side of the gear box (13), a driving gear (16) is fixed on an output shaft of the motor (6) in the gear box (13), and the driving gear (16) is meshed with the driven gear (14); the motor (6) drives the driving gear (16) to rotate, the driving gear (16) drives the driven gear (14) to rotate, and the driven gear (14) drives the driving bevel gear (5) to do rotary motion along the track of the tooth surface of the driven bevel gear (4).
4. A solar heliostat rotation mechanism of claim 1 wherein: the rotary shaft (3) is sequentially provided with a thrust bearing (17), an inner tapered roller bearing (18), an outer tapered roller bearing (19), a pressing block (20) and an adjusting nut (21), the inner ring of the tapered roller bearing (8) is arranged on the rotary shaft (3), the outer ring of the tapered roller bearing (8) is arranged on the outer cylinder (2), and the adjusting nut (21) is used for fastening and adjusting the fit clearance of the tapered roller bearing (8), so that the outer cylinder (2) is ensured to flexibly rotate along the rotary shaft (3).
5. A solar heliostat rotation mechanism of claim 1 wherein: the outer barrel (2) is provided with two driving bevel gears (5), the two driving bevel gears (5) are symmetrically arranged, and the two driving bevel gears (5) are meshed with the driven bevel gear (4).
6. A solar heliostat rotation mechanism of claim 1 wherein: the outer barrel (2) is provided with a plurality of driving bevel gears (5), and the driving bevel gears (5) are all meshed with the driven bevel gears (4).
7. A solar heliostat rotation mechanism of any of claims 1 to 6 wherein: and a roller (22) convenient for guiding rotation is arranged at the matching part of the lower end of the outer cylinder (2) and the inner cylinder (1).
8. A solar heliostat rotation mechanism of claim 2 wherein: a guide bearing (10) arranged at the right end of the drive bevel gear (5) is fixed on the outer cylinder (2) through a positioning plate (23); and a flange oil seal (24) is arranged between the bearing seat (7) and the flange (11).
9. A solar heliostat rotation mechanism of any of claims 1 to 6 wherein: the driving bevel gear (5) and the driven bevel gear (4) can adopt spiral gears or hyperboloid gears.
10. A solar heliostat rotation mechanism of claim 1 wherein: the outer cylinder (2) is provided with a sealing cover (25) for preventing dust from entering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110758446.0A CN113503652B (en) | 2021-07-05 | 2021-07-05 | A solar heliostat rotation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110758446.0A CN113503652B (en) | 2021-07-05 | 2021-07-05 | A solar heliostat rotation mechanism |
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| Publication Number | Publication Date |
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| CN113503652A true CN113503652A (en) | 2021-10-15 |
| CN113503652B CN113503652B (en) | 2025-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110758446.0A Active CN113503652B (en) | 2021-07-05 | 2021-07-05 | A solar heliostat rotation mechanism |
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| Country | Link |
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| CN (1) | CN113503652B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311014A (en) * | 2021-12-13 | 2022-04-12 | 珠海格力智能装备有限公司 | Bevel gear transmission robot joint mechanism and robot formed by same |
| CN115103542A (en) * | 2022-06-17 | 2022-09-23 | 上海铁路北斗测量工程技术有限公司 | Total station protection device |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311014A (en) * | 2021-12-13 | 2022-04-12 | 珠海格力智能装备有限公司 | Bevel gear transmission robot joint mechanism and robot formed by same |
| CN115103542A (en) * | 2022-06-17 | 2022-09-23 | 上海铁路北斗测量工程技术有限公司 | Total station protection device |
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| Publication number | Publication date |
|---|---|
| CN113503652B (en) | 2025-03-21 |
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