CN112013552B - Mirror holder of heliostat - Google Patents
Mirror holder of heliostat Download PDFInfo
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- CN112013552B CN112013552B CN201910451121.0A CN201910451121A CN112013552B CN 112013552 B CN112013552 B CN 112013552B CN 201910451121 A CN201910451121 A CN 201910451121A CN 112013552 B CN112013552 B CN 112013552B
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- connecting part
- long
- main beam
- heliostat
- frame
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
- F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/70—Arrangement of stationary mountings or supports for solar heat collector modules with means for adjusting the final position or orientation of supporting elements in relation to each other or to a mounting surface; with means for compensating mounting tolerances
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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
- F24S2023/83—Other shapes
- F24S2023/832—Other shapes curved
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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)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention discloses a heliostat bracket, wherein a plurality of support frames are distributed along the length direction of a main beam. The connecting plate is matched and fixedly connected with the surface structure of the periphery of the main beam, and the first connecting part and the second connecting part are arranged on the first side of the connecting plate. The third connecting part and the first connecting part are symmetrically arranged on the second side of the connecting plate, and the fourth connecting part and the second connecting part are symmetrically arranged on the second side of the connecting plate. The first side and the second side of each support frame are connected with a triangular beam unit, and the triangular beam unit is used for overlapping the reflectors. First connecting portion, third connecting portion all are equipped with the screw rod hole, and adjusting screw is all worn to be equipped with in every screw rod hole, and adjusting screw's first end is worn to locate the screw rod hole, and adjusting nut installs in adjusting screw's first end. The second connecting portion, fourth connecting portion all are equipped with the dead eye that is used for installing the bearing, and the both ends and the bearing of round pin axle rotate to be connected, and the bearing is used for supporting the triangle beam unit and rotates.
Description
Technical Field
The invention belongs to the technical field of clean energy, and particularly relates to a heliostat frame.
Background
While the economy is continuously developed, the energy is in short supply day by day, the traditional non-renewable energy is exhausted day by day, the economic development is more and more limited by the development and utilization of the energy, the utilization of the renewable energy is generally concerned, and particularly, the solar energy is more concerned by people in the world.
Solar thermal power generation is one of the main ways in which solar energy is currently utilized. The current solar thermal power generation can be divided into (1) tower type solar thermal power generation according to a solar energy collection mode; (2) the trough type solar thermal power generation; (3) disc type solar thermal power generation.
In the field of solar thermal power generation, tower type solar thermal power generation becomes a next novel energy technology capable of commercial operation due to the advantages of high light-heat conversion efficiency, high focusing temperature, simple installation and debugging of a control system, low heat dissipation loss and the like.
In the field of tower type solar thermal power generation, a heliostat is an important component of a tower type solar thermal power generation system. The heliostat reflects sunlight to the heat absorber to heat the heat absorption working medium, so that light energy is converted into heat energy to drive the steam turbine to generate electricity.
The mirror body of current heliostat is generally through connecting seat and stand be connected to each other, and azimuth angle drive arrangement and angle of elevation drive arrangement need come mechanical energy transmission to the mirror body through the connecting seat simultaneously, realize the adjustment of the different angles of the mirror body. Wherein, the mirror body includes speculum and mirror holder. The mirror frame supports the reflector and enables the reflector to have a certain reflecting curved surface so as to reflect sunlight to the heat absorber through the reflector, and the mirror frame needs to be adjusted complicatedly and complexly in the actual use process or mirror frame components need to be finely processed so that the mirror frame can have a more ideal curved surface.
Disclosure of Invention
The invention aims to provide a heliostat frame, which aims to solve the problem that the adjustment of the heliostat frame is complex.
In order to solve the problems, the technical scheme of the invention is as follows:
the present invention provides a frame for a heliostat, including:
the device comprises a main beam, an azimuth driving device, an elevation driving device, a plurality of supporting frames, a connecting seat, a plurality of triangular beam units, a plurality of adjusting screws, a plurality of adjusting nuts, a plurality of pin shafts, a plurality of bearings and supporting columns;
the lower end of the supporting column is used for being fixed on the ground, and the azimuth driving device is installed at the upper end of the supporting column;
the lower end of the connecting seat is connected with the direction driving device, and the upper end of the connecting seat is connected with the main beam;
the first end of the elevation driving device is connected with the connecting seat, and the second end of the elevation driving device is connected with the main beam;
the plurality of support frames are distributed along the length direction of the main beam; each of the support frames includes: the connecting plate, the first connecting part, the second connecting part, the third connecting part and the fourth connecting part; the connecting plate is fixedly connected with the peripheral side surface structure of the main beam in a matching manner, the first connecting part and the second connecting part are arranged on the first side of the connecting plate, and the arrangement position of the first connecting part is higher than that of the second connecting part; the third connecting part and the first connecting part are symmetrically arranged on the second side of the connecting plate, and the fourth connecting part and the second connecting part are symmetrically arranged on the second side of the connecting plate; the first side and the second side of each support frame are connected with one triangular beam unit, and the triangular beam units are used for overlapping reflectors;
the first connecting part and the third connecting part are respectively provided with a screw hole, each screw hole is penetrated by the adjusting screw, the first end of the adjusting screw is penetrated by the screw hole, and the adjusting nut is arranged at the first end of the adjusting screw;
the second connecting part and the fourth connecting part are provided with bearing holes for mounting the bearings, and two ends of the pin shaft are rotatably connected with the bearings;
each of the triangular beam units includes: the long supporting beam, the long connecting rod and the short connecting rod; the first end of the long supporting beam is fixedly connected with the first end of the long connecting rod, the second end of the long supporting beam is fixedly connected with the first end of the short connecting rod, and the second end of the long connecting rod is fixedly connected with the second end of the short connecting rod;
the second end of the adjusting screw rod is connected with the short connecting rod;
the pin shaft penetrates through the second end of the long connecting rod and is rotatably connected with the second end of the long connecting rod.
The mirror bracket of the heliostat also comprises a main beam support, wherein the main beam support is arranged on the main beam, and the extending end of the main beam support is connected with a transmission shaft arranged on the connecting seat.
The mirror bracket of the heliostat also comprises a push rod support, the push rod support is arranged on the main beam, and the extending end of the push rod support is connected with the connecting seat and the elevation driving device.
According to the heliostat frame, the long supporting beam, the long connecting rod and the short connecting rod are groove-shaped steel or L-shaped steel or rectangular steel or I-shaped steel.
The heliostat frame further comprises an adhesive sheet, and the reflector and the triangular beam unit are connected through the adhesive sheet.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
in one embodiment of the invention, the support frame is arranged on the main beam, the first connecting part, the second connecting part, the third connecting part and the fourth connecting part are arranged on the support frame, the first connecting part and the third connecting part are movably connected with the corresponding triangular beam units through the screw rods and the nuts, and the second connecting part and the fourth connecting part are rotatably connected with the triangular beam units through the bearings and the pin shafts, so that in the actual use process, a worker can rotate the triangular beam units around the pin shafts by adjusting the relative positions of the screw rods and the nuts so as to adjust the angles of the reflectors on the triangular beams, so that the reflectors of the heliostat form more ideal reflecting curved surfaces, and the condensing performance of the heliostat is better.
Drawings
FIG. 1 is a general schematic view of a frame of a heliostat of the invention;
FIG. 2 is a schematic view of an azimuth drive of a frame of the heliostat of the invention;
FIG. 3 is a schematic view of a drive shaft of a frame of a heliostat of the invention;
FIG. 4 is a schematic view of a main beam and triangular beam unit of a frame of a heliostat of the invention;
FIG. 5 is a schematic view of a support frame of a heliostat of the invention;
FIG. 6 is another schematic view of a support frame of a heliostat of the invention;
FIG. 7 is a schematic view of the bearings and pin of the frame of the heliostat of the invention;
fig. 8 is a schematic view of a main beam support of a frame of a heliostat of the invention.
Description of reference numerals: 1: a main beam; 2: an azimuth driving device; 3: a main beam support; 4: an elevation drive device; 5: a push rod support; 6: a support frame; 7: a mirror; 8: a connecting seat; 9: a long supporting beam; 10: adjusting the screw rod; 11: adjusting the nut; 12: a pin shaft; 13: a bearing; 14: a frame; 15: a support pillar; 16: a drive shaft; 17: a long connecting rod; 18: a short connecting rod; 19: and (3) bonding the sheets.
Detailed Description
The frame of a heliostat according to the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims.
Referring to fig. 1-8, a frame 14 for a heliostat includes: the device comprises a main beam 1, an azimuth driving device 2, an elevation driving device 4, a plurality of supporting frames 6, a connecting seat 8, a plurality of triangular beam units, a plurality of adjusting screw rods 10, a plurality of adjusting nuts 11, a plurality of pin shafts 12, a plurality of bearings 13 and supporting columns 15. The lower end of the supporting column 15 is used for being fixed on the ground, and the azimuth driving device 2 is installed at the upper end of the supporting column 15. The lower end of the connecting seat 8 is connected with the direction driving device 2, and the upper end of the connecting seat 8 is connected with the main beam 1. The first end of the elevation driving device 4 is connected with the connecting seat 8, and the second end of the elevation driving device 4 is connected with the main beam 1. A plurality of support frames 6 are arranged along the length direction of the main beam 1. Each support frame 6 includes: connecting plate, first connecting portion, second connecting portion, third connecting portion, fourth connecting portion. The connecting plate matches with the surface structure of the main beam 1 on the periphery and is fixedly connected, the first connecting portion and the second connecting portion are arranged on the first side of the connecting plate, and the arrangement position of the first connecting portion is higher than that of the second connecting portion. The third connecting part and the first connecting part are symmetrically arranged on the second side of the connecting plate, and the fourth connecting part and the second connecting part are symmetrically arranged on the second side of the connecting plate. The first side and the second side of each support frame 6 are connected with a triangular beam unit which is used for overlapping the reflector 7. First connecting portion, third connecting portion all are equipped with the screw rod hole, and adjusting screw 10 is all worn to be equipped with in every screw rod hole, and the screw rod hole is worn to locate by adjusting screw 10's first end, and adjusting nut 11 is installed in adjusting screw 10's first end, and when rotating adjusting nut 11, adjusting screw 10 can make linear motion make the triangle beam unit rotate around the long connecting rod 17 of triangle beam unit and the bearing 13 hole of support frame 6. The second connecting portion, fourth connecting portion all are equipped with the bearing 13 hole that is used for installing bearing 13, and the both ends and the bearing 13 of round pin axle 12 rotate to be connected, and bearing 13 is used for supporting the triangle beam unit and rotates. Each of the triangular beam units includes: long support beam 9, long connecting rod 17 and short connecting rod 18. The first end of the long supporting beam 9 is fixedly connected with the first end of the long connecting rod 17, the second end of the long supporting beam 9 is fixedly connected with the first end of the short connecting rod 18, and the second end of the long connecting rod 17 is fixedly connected with the second end of the short connecting rod 18. The second end of the adjusting screw 10 is connected to a short link 18. The pin 12 is inserted through the second end of the long link 17 and is rotatably connected to the second end of the long link 17. Through set up support frame 6 on girder 1, and set up first connecting portion on support frame 6, the second connecting portion, the third connecting portion, the fourth connecting portion, pass through screw rod and nut swing joint with first connecting portion and third connecting portion and corresponding triangular beam unit, pass through bearing 13 and round pin axle 12 with second connecting portion and fourth connecting portion and be connected with the triangular beam unit rotation, make in the in-service use process, the staff can be through the relative position of adjusting screw rod and nut, make the triangular beam unit rotatory around round pin axle 12, and then the angle of speculum 7 on the adjustment triangular beam, make speculum 7 of heliostat form more ideal curved surface of reflection, make heliostat spotlight performance better.
The auxiliary beam is formed by two sets of symmetrical adjustable triangular beam units, the structural form of the auxiliary beam is simplified, the processing difficulty of the auxiliary beam is reduced, the adjustable triangular beam units can enable the reflecting mirror 7 of the heliostat to form a more ideal reflecting curved surface, the condensing performance of the heliostat is better, and the whole weight of the mirror bracket 14 is also reduced.
Further, the girder 1 has a circular tube shape as a main body base member of the mirror holder 14, on which a girder support 3, a pushrod support 5, and a support frame 6 are provided, wherein the support frame 6 is connected as a connection structure to the azimuth driving unit 2, the elevation driving unit 4, and the triangle beam unit, respectively.
Furthermore, the device also comprises a main beam support 3, the main beam support 3 is arranged on the main beam 1, and the extending end of the main beam support 3 is connected with a transmission shaft 16 arranged on the connecting seat 8. The main beam supports 3 are arranged on the main beam 1 and symmetrically distributed on two sides of the axial middle plane of the main beam 1, and the main beam supports 3 are connected with a transmission shaft 16 arranged on the connecting seat 8 through connecting holes in the main beam supports 3.
Furthermore, the lifting device also comprises a push rod support 5, wherein the push rod support 5 is arranged on the main beam 1, and the extending end of the push rod support 5 is connected with the connecting seat 8 and the elevation driving device 4. The push rod support 5 is arranged on the main beam 1 and symmetrically distributed on two sides of the middle plane of the main beam 1, and the push rod support 5 is connected with the connecting seat 8 and the elevation driving device 4 through a connecting hole on the push rod support 5, so that the horizontal motion provided by the elevation driving device 4 can be transmitted to the mirror bracket 14.
Further, the long support beam 9, the long connecting rod 17 and the short connecting rod 18 are channel steel or L-shaped steel or rectangular steel or i-shaped steel. The triangular beam unit is in a right-angled triangle shape and comprises a long supporting beam 9 positioned below the reflector 7, a long connecting rod 17 supporting the long supporting beam 9 and connected with the supporting frame 6, and a short connecting rod 18 supporting the long supporting beam 9 and connected with the supporting frame 6 in an adjustable mode; the triangular beam unit is channel shaped in cross section, and may be of other cross sectional shapes in other embodiments, such as L-shaped, rectangular, etc.
The secondary beam structure of the mirror bracket 14 is decomposed into two adjustable triangular beam units, so that the integral rigidity of the mirror bracket 14 can be enhanced, the angle of the reflecting mirror 7 of the heliostat can be adjusted, the error of a reflecting curved surface of the mirror bracket 14 caused by processing error and gravity deformation can be reduced, and the reflecting and light-gathering performance of the heliostat can be improved; meanwhile, the triangular beam unit is formed by hinging three groove-shaped sectional materials in pairs, so that the processing and the assembly of the auxiliary beam are greatly simplified.
Further, the sections of the long link 17, the long joists 9 and the short links 18 of the triangular beam unit may also be closed sections.
Preferably, the adjustment of the triangular beam unit can be automated and controlled more precisely by directly using a micro motor instead of the adjusting nut 11.
Preferably, the two opposite triangular beam units can be made in different structural sizes and are asymmetrical with respect to the median plane of the axis of the main beam 1.
Further, an adhesive sheet 19 is further included, and the reflecting mirror 7 and the triangular beam unit are connected by the adhesive sheet 19.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (5)
1. A frame for a heliostat, comprising:
the device comprises a main beam, an azimuth driving device, an elevation driving device, a plurality of supporting frames, a connecting seat, a plurality of triangular beam units, a plurality of adjusting screws, a plurality of adjusting nuts, a plurality of pin shafts, a plurality of bearings and supporting columns;
the lower end of the supporting column is used for being fixed on the ground, and the azimuth driving device is installed at the upper end of the supporting column;
the lower end of the connecting seat is connected with the direction driving device, and the upper end of the connecting seat is connected with the main beam;
the first end of the elevation driving device is connected with the connecting seat, and the second end of the elevation driving device is connected with the main beam;
the plurality of support frames are distributed along the length direction of the main beam; each of the support frames includes: the connecting plate, the first connecting part, the second connecting part, the third connecting part and the fourth connecting part; the connecting plate is fixedly connected with the peripheral side surface structure of the main beam in a matching manner, the first connecting part and the second connecting part are arranged on the first side of the connecting plate, and the arrangement position of the first connecting part is higher than that of the second connecting part; the third connecting part and the first connecting part are symmetrically arranged on the second side of the connecting plate, and the fourth connecting part and the second connecting part are symmetrically arranged on the second side of the connecting plate; the first side and the second side of each support frame are connected with one triangular beam unit, and the triangular beam units are used for overlapping reflectors;
the first connecting part and the third connecting part are respectively provided with a screw hole, each screw hole is penetrated by the adjusting screw, the first end of the adjusting screw is penetrated by the screw hole, and the adjusting nut is arranged at the first end of the adjusting screw;
the second connecting part and the fourth connecting part are provided with bearing holes for mounting the bearings, and two ends of the pin shaft are rotatably connected with the bearings;
each of the triangular beam units includes: the long supporting beam, the long connecting rod and the short connecting rod; the first end of the long supporting beam is fixedly connected with the first end of the long connecting rod, the second end of the long supporting beam is fixedly connected with the first end of the short connecting rod, and the second end of the long connecting rod is fixedly connected with the second end of the short connecting rod;
the second end of the adjusting screw rod is connected with the short connecting rod;
the pin shaft penetrates through the second end of the long connecting rod and is rotatably connected with the second end of the long connecting rod.
2. The frame for a heliostat of claim 1, further comprising a main beam support disposed on the main beam, the main beam support having an extended end connected to a drive shaft disposed on the connecting base.
3. The frame for a heliostat of claim 1, further comprising a push rod support disposed on the main beam, an extended end of the push rod support being connected to the connecting base and the elevation drive device.
4. The frame for a heliostat of claim 1 wherein the long corbels, long links and short links are channel or L-section or rectangular or i-section steel.
5. The frame for a heliostat of claim 1 further comprising an adhesive tab by which the mirror and the triangular beam element are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451121.0A CN112013552B (en) | 2019-05-28 | 2019-05-28 | Mirror holder of heliostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451121.0A CN112013552B (en) | 2019-05-28 | 2019-05-28 | Mirror holder of heliostat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112013552A CN112013552A (en) | 2020-12-01 |
| CN112013552B true CN112013552B (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910451121.0A Active CN112013552B (en) | 2019-05-28 | 2019-05-28 | Mirror holder of heliostat |
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| Country | Link |
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| CN (1) | CN112013552B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918211B (en) * | 2022-04-19 | 2023-04-25 | 东方电气集团东方锅炉股份有限公司 | Heliostat cleaning device and cleaning method |
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