CN110145878B - Rotating mechanism for heliostat - Google Patents
Rotating mechanism for heliostat Download PDFInfo
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- CN110145878B CN110145878B CN201910428439.7A CN201910428439A CN110145878B CN 110145878 B CN110145878 B CN 110145878B CN 201910428439 A CN201910428439 A CN 201910428439A CN 110145878 B CN110145878 B CN 110145878B
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- rotary drum
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- horizontal sleeve
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 74
- 229910052802 copper Inorganic materials 0.000 claims description 60
- 239000010949 copper Substances 0.000 claims description 60
- 230000008093 supporting effect Effects 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 1
- 241000227287 Elliottia pyroliflora Species 0.000 description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
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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
- F24S30/48—Arrangements for moving or orienting solar heat collector modules for rotary movement with three or more rotation axes or with multiple degrees of freedom
-
- 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)
- Optical Elements Other Than Lenses (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention provides a rotating mechanism for heliostats, which comprises a stand column, a first cross beam, a second cross beam and a connecting assembly, wherein the connecting assembly is used for rotationally arranging the first cross beam and the second cross beam on the stand column; the first cross beam and the second cross beam are respectively connected with two ends of the horizontal sleeve in a rotating way. The rotating mechanism for the heliostat provided by the invention can rotate around the upright posts and turn around the horizontal sleeve, is compact in mechanical structure and high in strength, and has higher bearing capacity and stronger anti-overturning capacity. And divide into (first crossbeam and second crossbeam) two sections rotation and connect in horizontal sleeve's both ends, reduced the processing and the installation degree of difficulty of crossbeam.
Description
Technical Field
The invention belongs to the technical field of heliostats for solar thermal power generation, and particularly relates to a rotating mechanism for heliostats.
Background
Heliostats are an important component of a solar thermal power plant, which reflects sunlight and concentrates it on the receiving towers of the plant. The heliostat tracking system in the prior art mainly comprises heliostats, a driving system, a control system and a supporting device. Currently, in a rotation support structure of a heliostat, a rotation mechanism of a slewing bearing is matched with a hinged bracket to rotatably support the heliostat in multiple directions. The mechanical structure of the rotation mechanism is low in strength, the bearing capacity in the vertical direction is limited, and the overall weight of the heliostat is generally heavy, so that the heliostat is poor in stability in the process of rotationally tracking the sun. Especially under severe climatic environments such as large wind power, the heliostat is easy to overturn and side-turn, so that the heliostat is damaged to influence the normal operation of the heliostat.
Disclosure of Invention
The invention aims to provide a rotating mechanism for heliostats, which aims to solve the problems of limited bearing capacity in the vertical direction, poor stability and easiness in overturning and side turning of a heliostat rotating support structure in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is to provide a rotation mechanism for heliostats, which comprises an upright post, a first cross beam and a second cross beam, wherein the first cross beam and the second cross beam are used for supporting and fixing a reflector mounting frame; the rotating mechanism further comprises a connecting assembly used for enabling the first cross beam and the second cross beam to be rotatably arranged on the upright post, the connecting assembly comprises a horizontal sleeve arranged horizontally, a vertical sleeve arranged vertically and an upright post rotary drum arranged at the top end of the upright post and extending along the axial direction of the upright post, the vertical sleeve is rotatably sleeved on the upright post rotary drum, the horizontal sleeve is fixed at the top end of the vertical sleeve, the horizontal sleeve is rotatably connected with the top end of the upright post rotary drum through a bolt, a first copper sleeve is arranged between the top end surface of the upright post rotary drum and the outer side wall of the horizontal sleeve, and the first copper sleeve is sleeved on the bolt; the first cross beam is rotationally connected with one end of the horizontal sleeve, and the second cross beam is rotationally connected with the other end of the horizontal sleeve.
Further, the connecting assembly further comprises a first rotary drum used for rotationally connecting the first beam with the horizontal sleeve and a second rotary drum used for rotationally connecting the second beam with the horizontal sleeve, the first rotary drum and the second rotary drum are respectively inserted into the horizontal sleeve through the rotation of two end ports of the horizontal sleeve, the first rotary drum is connected with the first beam, and the second rotary drum is connected with the second beam.
Further, be equipped with in the horizontal sleeve and be used for rotatory support the second copper sheathing of first rotatory section of thick bamboo, the second copper sheathing is located the outside tip of first rotatory section of thick bamboo, just be equipped with in the horizontal sleeve and be used for rotatory support the third copper sheathing of second rotatory section of thick bamboo, the third copper sheathing is located the outside tip of second rotatory section of thick bamboo.
Further, one end of the inner side wall of the horizontal sleeve is convexly provided with a first annular bulge, and the outer peripheral surface of the second copper sleeve is supported on the first annular bulge; and the other end of the inner side wall of the horizontal sleeve is convexly provided with a second annular bulge, and the outer peripheral surface of the third copper sleeve is supported on the second annular bulge.
Further, the inside end of the first rotary drum is connected with the inside end of the second rotary drum, an adjusting handle for adjusting the rotation angle of the first rotary drum and the second rotary drum is arranged at the joint of the first rotary drum and the second rotary drum, and a guide slot hole for guiding the adjusting handle to move and adjust is formed in the horizontal sleeve.
Further, the top end face of the upright column rotary drum is provided with a shaft hole for the bolt to pass through, the top end face of the upright column rotary drum is provided with a shaft sleeve surrounding the shaft hole, the horizontal sleeve is correspondingly provided with a passing hole for the bolt to pass through, the bolt sequentially passes through the passing hole, the shaft sleeve and the shaft hole are rotatably arranged in the shaft sleeve, the first copper sleeve is sleeved on the periphery of the shaft sleeve, and the shaft sleeve stretches into the passing hole.
Further, the first copper sleeve comprises a round copper sleeve and a copper ring which extends outwards from one end of the round copper sleeve along the radial direction of the round copper sleeve, the round copper sleeve is sleeved on the shaft sleeve, and the copper ring is arranged between the upright column rotary drum and the horizontal sleeve.
Further, a boss is arranged on the horizontal sleeve in a corresponding position in the middle of the upright column rotary drum in an outward protruding mode, the through hole is formed in the boss, and the copper ring is arranged between the boss and the upright column rotary drum.
Further, an accommodating groove for accommodating a nut of the bolt is formed in the inner side wall of the horizontal sleeve.
Further, a plurality of annular grooves are formed in the inner side wall of the vertical sleeve at intervals along the axial direction of the vertical sleeve.
The rotating mechanism for the heliostat has the beneficial effects that: compared with the prior art, the rotating mechanism for the heliostat is characterized in that the upright column rotary drum is arranged at the top end of the upright column, the horizontal sleeve and the vertical sleeve which are respectively arranged horizontally and vertically on the vertical surface are mutually connected to form the three-way connecting piece with three connecting ports, the vertical sleeve is rotationally sleeved on the upright column rotary drum, the horizontal sleeve is rotationally arranged at the top end of the upright column rotary drum by utilizing the bolts, the first copper sleeve is arranged between the top end surface of the upright column rotary drum and the outer side wall of the horizontal sleeve, the horizontal sleeve is rotatably supported on the top end surface of the upright column rotary drum by the self-lubricating first copper sleeve, and the bearing capacity in the vertical direction (axial direction) is enhanced. Then when using, will support the first crossbeam and the second crossbeam of reflector mounting bracket and rotate respectively and install in horizontal telescopic both ends, support the reflector installing support in and be fixed in on first crossbeam and the second crossbeam again, under the first copper sheathing through self-lubricating and the cooperation effect of bolt, realize that first crossbeam and second crossbeam drive the reflector mounting bracket, can rotate around the stand and can overturn around horizontal sleeve again, still can utilize first copper sheathing reinforcing first crossbeam and second crossbeam's bearing capacity. The rotating mechanism is high in mechanical structure firm strength, good in stability and reliability during rotation and has higher bearing capacity and stronger anti-overturning capacity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a rotation mechanism for heliostats according to an embodiment of the invention;
FIG. 2 is a schematic view of the structure of FIG. 1, partially enlarged;
fig. 3 is a schematic perspective view of a rotation mechanism for heliostats according to an embodiment of the invention;
FIG. 4 is a schematic cross-sectional structural view of a rotation mechanism for a heliostat provided by an embodiment of the invention;
FIG. 5 is a schematic view of the structure of FIG. 4, partially enlarged;
FIG. 6 is a schematic view of the structure of FIG. 4, partially enlarged;
FIG. 7 is a schematic cross-sectional view of a rotation mechanism for heliostats according to an embodiment of the invention;
FIG. 8 is a schematic view of the structure of FIG. 7, partially enlarged;
FIG. 9 is a schematic view of the structure of FIG. 7, partially enlarged;
FIG. 10 is an exploded view of a connection assembly for a rotation mechanism of a heliostat provided by an embodiment of the invention;
fig. 11 is a partially enlarged schematic construction view of fig. 10.
Wherein, each reference numeral in the figure mainly marks:
1-stand columns; 2-a first cross beam; 3-a second cross beam; a 4-connection assembly; 41-a horizontal sleeve; 411-a first annular protrusion; 412-a second annular protrusion; 413-guide slots; 414-accommodating groove; 415-boss; 416-through hole; 42-vertical sleeve; 421-annular groove; 43-bolts; 431-nut; 432-lock nut; 44-a first rotary drum; 45-a second rotary drum; 5-a column drum; 51-shaft sleeve; 6-a first copper sleeve; 61-round copper sleeve; 62-copper ring; 7-a second copper sleeve; 8-a third copper sleeve; 9-an adjusting handle; 10-reinforcing ribs.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.
In the description of the present invention, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 11 together, a description will now be given of a rotation mechanism for heliostats according to the present invention. The invention provides a rotation mechanism for heliostats, which comprises an upright 1, a first cross beam 2 and a second cross beam 3, wherein the first cross beam 2 and the second cross beam are used for supporting and fixing a reflector mounting frame (not shown in the figure); the rotating mechanism further comprises a connecting component 4 which is used for rotating the first cross beam 2 and the second cross beam 3 to be arranged on the upright 1, so that the first cross beam 2 and the second cross beam 3 are respectively connected to the upright 1 through the connecting component 4 in a rotating way, and the rotating mechanism plays a role in rotating and supporting a reflector on a reflector mounting frame. Wherein, coupling assembling 4 includes the horizontal sleeve 41 that the level set up, vertical sleeve 42 of vertical setting, set up in stand 1 top and along the stand rotary drum 5 of the axial direction extension of stand 1, vertical sleeve 42 rotates the cover and locates on the stand rotary drum 5, horizontal sleeve 41 is fixed in the top of vertical sleeve 42, horizontal sleeve 41 passes through bolt 43 and links to each other with the top rotation of stand rotary drum 5, thereby form a "tee bend" connecting piece that has three connecting port on the vertical face, and horizontal sleeve 41 passes through bolt 43 and links to each other with the top rotation of stand rotary drum 5, vertical sleeve 42 rotates the cover and locates on the stand rotary drum 5, when having strengthened the bearing capacity of this rotary mechanism vertical direction (axial), still prevented that the fixed reflector mounting bracket (not shown in the figure) of rotary support on this rotary mechanism from taking place to overturn and topple when rotatory. A first copper bush 6 is arranged between the top end surface of the upright column rotary drum 5 and the outer side wall of the horizontal sleeve 41, and the first copper bush 6 is sleeved on the bolt 43; the first beam 2 is rotatably connected with one end of the horizontal sleeve 41, and the second beam 3 is rotatably connected with the other end of the horizontal sleeve 41. Due to the arrangement of the first copper bush 6, the defect of insufficient bearing capacity of the slewing bearing in the vertical direction (axial direction) can be overcome while the smooth and flexible rotation between the upright column drum 5 and the horizontal sleeve 41 is ensured.
Compared with the prior art, the rotating mechanism for the heliostat is provided with the upright column rotary drum 5 at the top end of the upright column 1, the horizontal sleeve 41 and the vertical sleeve 42 which are respectively arranged horizontally and vertically on the vertical surface are mutually connected to form a three-way connecting piece with three connecting ports, the vertical sleeve 42 is rotationally sleeved on the upright column rotary drum 5, the horizontal sleeve 41 is rotationally arranged at the top end of the upright column rotary drum 5 by utilizing the bolts 43, the first copper sleeve 6 is arranged between the top end surface of the upright column rotary drum 5 and the outer side wall of the horizontal sleeve 41, the horizontal sleeve 41 is rotatably supported on the top end surface of the upright column rotary drum 5 by the self-lubricating first copper sleeve 6, and the bearing capacity in the vertical direction (axial direction) is enhanced. Then when in use, the first beam 2 and the second beam 3 supporting the reflector mounting frame are respectively and rotatably arranged at the two ends of the horizontal sleeve 41, the reflector mounting bracket is supported and fixed on the first beam 2 and the second beam 3, the first beam 2 and the second beam 3 drive the reflector mounting frame under the matching action of the self-lubricating first copper bush 6 and the bolt 43, and the bearing capacity of the first beam 2 and the second beam 3 can be enhanced by utilizing the first copper bush 6 while the plane rotation can be carried out around the upright 1 and the plane overturning can be carried out around the horizontal sleeve 41. The mechanical framework of the rotating mechanism is high in strength, stable and good in reliability during rotation and rotation, and has larger bearing capacity and stronger anti-overturning capacity, so that the defects that the vertical direction (axial direction) bearing capacity of the slewing bearing is limited and overturning is easy to occur are overcome, and the rotating mechanism is particularly suitable for carrying out rotating support on heliostats in severe climatic environments such as larger wind power. In addition, the rotating mechanism for the heliostat provided by the invention divides the cross beam into the two sections (the first cross beam and the second cross beam) which are rotatably connected to the two ends of the horizontal sleeve, so that the processing and mounting difficulty of the cross beam is reduced, and the problem of high processing and mounting difficulty of the current cross beam is effectively solved.
Specifically, the horizontal sleeve 41 and the vertical sleeve 42 are integrally formed by ductile cast iron or welded by steel, and the vertical sleeve 42 is connected with the middle part of the horizontal sleeve 41 in the axial direction, so that the horizontal sleeve 41 and the vertical sleeve 42 form a three-way connecting piece with three connecting ports, and the stability of the structure of the three-way connecting piece is enhanced.
Specifically, the column rotary drum 5 is connected with the column 1 by adopting a large bolt piece so as to enhance the connection firmness between the column rotary drum 5 and the column 1, thereby leading the tee joint connecting piece rotatably arranged on the column rotary drum 5 to have good bearing capacity.
Specifically, the bolt 43 is provided with a lock nut 432 for preventing the bolt 43 from loosening, and the other end of the bolt 43 is provided with an external thread that mates with the internal thread of the lock nut 432. The horizontal sleeve 41 is rotatably arranged on the upright column rotary drum 5 through the bolts 43, the lock nuts 432 can effectively prevent the bolts 43 from loosening, the nut 431 can be utilized to press the horizontal sleeve, and under the condition that the heliostat is in an inclined state or the wind power is large, the nut 431 is matched with the lock nuts 432 to stably rotate and connect the horizontal sleeve to the top end of the upright column rotary drum 5, and the phenomenon that the reflecting mirror of the heliostat is easy to topple during inclined use is avoided through the blocking limiting effect of the nut 431.
Further, referring to fig. 4 to 6 together, as an embodiment of the rotation mechanism for heliostat provided by the present invention, the connection assembly 4 further includes a first rotary drum 44 for rotatably connecting the first beam 2 to the horizontal sleeve 41, and a second rotary drum 45 for rotatably connecting the second beam 3 to the horizontal sleeve 41, wherein the first rotary drum 44 and the second rotary drum 45 are rotatably inserted into the horizontal sleeve 41 through two end ports of the horizontal sleeve 41, respectively, and the first rotary drum 44 is connected to the first beam 2, and the second rotary drum 45 is connected to the second beam 3.
In this embodiment, through being equipped with first rotary drum 44 and second rotary drum 45 in horizontal sleeve 41, respectively through first rotary drum 44 and second rotary drum 45 with first crossbeam 2 and second crossbeam 3 rotationally set up in horizontal sleeve 41's both ends, strengthened the nimble smoothness nature of first crossbeam 2 and second crossbeam 3 upset around horizontal sleeve 41, the adjustment of the reflector flip angle of easy to assemble on first crossbeam 2 and second crossbeam 3 realizes the biax rotation function of heliostat, realizes that the heliostat reflects sunlight with best inclination.
Further, referring to fig. 7 to 9 together, as a specific embodiment of the rotation mechanism for heliostat provided by the invention, a second copper sleeve 7 for rotatably supporting a first rotary drum 44 is disposed in the horizontal sleeve 41, the second copper sleeve 7 is sleeved at the outer end of the first rotary drum 44, a third copper sleeve 8 for rotatably supporting a second rotary drum 45 is disposed in the horizontal sleeve 41, and the third copper sleeve 8 is sleeved at the outer end of the second rotary drum 45.
In this embodiment, the outer end portion of the first rotary drum 44 and the outer end portion of the second rotary drum 45 are respectively provided with the second copper sleeve 7 and the third copper sleeve 8, and the first rotary drum 44 and the second rotary drum 45 are respectively supported in the horizontal sleeve 41 by using the second copper sleeve 7 and the third copper sleeve 8, so that not only the stability of the connection of the first rotary drum 44 and the second rotary drum 45 with the first cross beam 2 and the second cross beam 3 is ensured, but also the flexibility and smoothness of the rotation of the first rotary drum 44 and the second rotary drum 45 are ensured, and the double-shaft rotation function of the heliostat is realized. Moreover, through the self-lubricating cooperation between the inner side walls of the horizontal sleeve 41 of the second copper bush 7 and the self-lubricating cooperation between the inner side walls of the horizontal sleeve 41 of the third copper bush 8, the first cross beam 2 connected to the outer side end part of the first rotary cylinder 44 and the second cross beam 3 connected to the outer side end part of the second rotary cylinder 45 can rotate around the central axis of the horizontal sleeve 41, the adjustment of the turning angle of the reflector mounting frames supported on the first cross beam 2 and the second cross beam 3 is realized, the reflector can be stably supported by a certain inclination angle (the inclined state when the plane residual horizontal surface where the reflector mounting frames are located is inclined to the crossing) and the phenomenon of rollover or overturning can be avoided.
Further, referring to fig. 6, 9 and 11, as a specific embodiment of the rotation mechanism for heliostat provided by the present invention, a first annular protrusion 411 is protruding from one end of the inner sidewall of the horizontal sleeve 41, and the outer peripheral surface of the second copper sleeve 7 is supported on the first annular protrusion 411; and the other end of the inner side wall of the horizontal sleeve 41 is convexly provided with a second annular protrusion 412, and the outer circumferential surface of the third copper bush 8 is supported on the second annular protrusion 412.
In this embodiment, the positions on the inner side wall of the horizontal sleeve 41 near the two ends of the inner side wall are respectively provided with the first annular protrusion 411 and the second annular protrusion 412, and then the outer circumferential surface of the second copper sleeve 7 and the outer circumferential surface of the third copper sleeve 8 are respectively supported on the first annular protrusion 411 and the second annular protrusion 412, and the first annular protrusion 411 and the second annular protrusion 412 are respectively matched with the second copper sleeve 7 and the third copper sleeve 8 to support the first rotary cylinder 44 and the second rotary cylinder 45, so that a large enough gap space is formed between the outer side walls of the first rotary cylinder 44 and the second rotary cylinder 45 and the inner side wall of the horizontal sleeve 41, and large friction or even interference between the first rotary cylinder 44 and/or the second rotary cylinder 45 and the horizontal sleeve 41 during rotation is avoided, thereby affecting the plane overturning of the reflective mirror around the horizontal sleeve 41 and affecting the working performance of the heliostat.
Further, referring to fig. 3, 4, 5 and 7, as a specific embodiment of the rotation mechanism for heliostat provided by the present invention, an inner end of the first rotary drum 44 is connected to an inner end of the second rotary drum 45, an adjusting handle 9 for adjusting a rotation angle of the first rotary drum 44 and the second rotary drum 45 is provided at a connection position of the first rotary drum 44 and the second rotary drum 45, and a guiding slot 413 for guiding the adjusting handle 9 to move and adjust is provided on the horizontal sleeve 41.
In this embodiment, the inner end of the first rotary drum 44 is connected to the inner end of the second rotary drum 45, so that the first rotary drum 44 and the second rotary drum 45 are coaxially connected, and an adjusting handle 9 for adjusting the rotation angle of the first rotary drum 44 and the second rotary drum 45 is disposed at the connection position of the first rotary drum 44 and the second rotary drum 45, and the rotation angle of the first rotary drum 44 and the second rotary drum 45 is conveniently and adaptively adjusted by the adjusting handle 9, so that the inclination angle of the heliostat reflector can be quickly and conveniently adjusted.
Specifically, after the first rotary drum 44 and the second rotary drum 45 are relatively installed in the horizontal sleeve 41 of the three-way connecting piece, the end parts of the first rotary drum 44 and the second rotary drum 45 adjacent to each other (the inner end part of the first rotary drum 44 and the inner end part of the second rotary drum 45) are fixedly connected by using studs, and welding reinforcement is carried out, so that the central axis of the first rotary drum 44 and the central axis of the second rotary drum 45 are coaxial, the first cross beam 2 connected to the first rotary drum 44 and the second cross beam 3 connected to the second rotary drum 45 are kept coaxial, a complete supporting whole is formed, the stability of the whole structure is enhanced, and the reflector mounting frame can be firmly supported.
Further, referring to fig. 5 and 8 together, as a specific embodiment of the rotation mechanism for heliostat provided by the invention, a shaft hole through which the bolt 43 passes is provided on the top end surface of the column drum 5, a shaft sleeve 51 surrounding the shaft hole is provided on the top end surface of the column drum 5, a through hole 416 through which the bolt 43 passes is correspondingly provided on the horizontal sleeve 41, the bolt 43 sequentially passes through the through hole 416, the shaft sleeve 51 and the shaft hole and is rotatably provided in the shaft sleeve 51, the first copper sleeve 6 is sleeved on the outer periphery of the shaft sleeve 51, and the shaft sleeve 51 extends into the through hole 416.
In this embodiment, after the vertical sleeve 42 is sleeved on the top of the column drum 5, the bolt 43 arranged in the shaft sleeve is rotated, the horizontal sleeve 41 can be horizontally and rotatably arranged on the top end of the column 1 around the bolt 43, and the self-lubricating first copper sleeve 6 is sleeved on the periphery of the shaft sleeve 51, the outer side wall of the shaft sleeve 51 is rotatably connected with the through hole 416 of the horizontal sleeve 41 through the first copper sleeve 6, so that the slewing bearing is replaced by the first copper sleeve 6, the horizontal sleeve 41 has stronger bearing capacity and better structural stability, the bearing capacity of the rotating mechanism in the vertical direction is enhanced, and the phenomenon that a heliostat is overturned in the use process is effectively avoided. Therefore, the rotation mechanism for the heliostat can avoid the phenomenon that the reflecting mirror of the heliostat is easy to overturn when being used in an inclined mode, and the heliostat cannot be overturned sideways even in a climatic environment with large wind power, so that the application environment of the heliostat is enhanced, and the universality is good.
Preferably, the shaft sleeve 51 and the upright column rotary cylinder 5 are manufactured by integral molding, so as to improve the structural stability and enhance the anti-overturning performance.
Further, referring to fig. 5 and 8 together, as a specific embodiment of the rotation mechanism for heliostat provided by the invention, the first copper sleeve 6 includes a circular copper sleeve 61 and a copper ring 62 extending from one end of the circular copper sleeve 61 radially outwards along the circular copper sleeve 61, the circular copper sleeve 61 is sleeved on the shaft sleeve 51, and the copper ring 62 is disposed between the upright rotary cylinder 5 and the horizontal sleeve 41.
In this example, the first copper bush 6 includes a round copper bush 61 and a copper ring 62 extending radially outwardly from one end of the round copper bush 61 along the round copper bush 61, and the vertical section of the first copper bush 6 is sleeved on the outer periphery of the shaft sleeve 51 by sleeving the round copper bush 61 on the shaft sleeve 51 and arranging the copper ring 62 between the column drum 5 and the horizontal sleeve 41, so as to ensure that the horizontal sleeve 41 can perform good rotational rotation around the shaft sleeve 51 through the self-lubricating action of the first copper bush 6. Simultaneously, through copper ring 62 with horizontal sleeve 41 rotation support on the top end face of stand rotary drum 5, strengthened the bearing capacity of the vertical direction of horizontal sleeve 41, improved the structural stability that stand rotary drum 5 supported horizontal sleeve 41, avoided the reflector of heliostat to take place the phenomenon emergence of toppling easily when the slope uses.
Further, referring to fig. 5 and 8 together, as a specific embodiment of the rotation mechanism for heliostats provided by the invention, a boss 415 is protruded outwards from the horizontal sleeve 41 at a position corresponding to the middle of the upright column drum 5, a through hole 416 is formed in the boss 415, and a copper ring 62 is disposed between the boss 415 and the upright column drum 5.
In this embodiment, boss 415 is disposed on horizontal sleeve 41 and protrudes outwards from the middle of vertical column drum 5, through hole 416 for bolt 43 to extend into horizontal sleeve 41 is disposed on boss 415, copper ring 62 is disposed between boss 415 and vertical column drum 5, so that boss 415 is supported at the middle of top end surface of vertical column drum 5 by self-lubricating copper ring 62, bearing capacity of vertical direction of horizontal sleeve 41 is enhanced, horizontal sleeve 41 can smoothly rotate with bolt 43 as rotation shaft, structural stability of vertical column drum 5 for supporting horizontal sleeve 41 is enhanced, and phenomenon of tilting of heliostat is avoided.
Further, referring to fig. 5 and 8 together, as an embodiment of the rotation mechanism for heliostat provided by the present invention, a receiving groove 414 for receiving a nut 431 of the bolt 43 is provided on the inner sidewall of the horizontal sleeve 41. On the one hand, by utilizing the cooperation of the screw cap 431 and the accommodating groove 414, the blocking limiting effect of the screw cap 431 on the tilting of the horizontal sleeve 41 is improved, and the phenomenon that the reflector of the heliostat is easy to topple when being used in a tilting manner is avoided. On the other hand, friction or even interference between the first rotary drum 44 and/or the second rotary drum 45 and the screw cap 431 is avoided when the first rotary drum 44 and/or the second rotary drum 45 rotate, so that the plane overturning of the reflector around the horizontal sleeve 41 is influenced, and the normal operation of the heliostat is influenced.
Further, referring to fig. 5 to 8 together, as an embodiment of the rotation mechanism for heliostat provided by the invention, a plurality of annular grooves 421 are provided on the inner sidewall of the vertical sleeve 42 at intervals along the axial direction of the vertical sleeve 42.
In this embodiment, a plurality of annular grooves 421 are sequentially spaced apart from each other along the axial direction of the vertical sleeve 42 on the inner side wall of the vertical sleeve 42, so that the contact area between the vertical sleeve 42 and the outer side wall of the upright column drum 5 is reduced, and the vertical sleeve 42 is prevented from forming larger friction and even causing interference blocking when rotating around the upright column drum 5. Moreover, annular bulges are formed between the adjacent annular grooves 421, and a supporting effect is formed on the side surface of the upright column rotary drum 5 through the annular bulges, so that the heliostat is prevented from swinging due to rotation and rotation around the upright column rotary drum 5, and the anti-overturning capability of the heliostat is further improved. Preferably, the annular groove 421 is also filled with lubricating oil for enhancing lubrication and reducing friction, so that the vertical sleeve 42 rotates smoothly relative to the upright sleeve 5, abrasion is reduced, and the service life of the rotating mechanism is prolonged.
Further, referring to fig. 1, 2, 10 and 11, as a specific embodiment of the rotation mechanism for heliostat provided by the present invention, a plurality of reinforcing ribs 10 are disposed at the connection between the end of the vertical sleeve 42 far from the upright 1 and the horizontal sleeve 41, so as to improve the stability of the "tee joint" connector structure and enhance the bearing capacity of the rotation mechanism.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. A rotation mechanism for heliostats includes an upright, a first beam and a second beam for supporting and securing a mirror mount; the method is characterized in that: the rotating mechanism further comprises a connecting assembly used for enabling the first cross beam and the second cross beam to be rotatably arranged on the upright post, the connecting assembly comprises a horizontal sleeve arranged horizontally, a vertical sleeve arranged vertically and an upright post rotary drum arranged at the top end of the upright post and extending along the axial direction of the upright post, the vertical sleeve is rotatably sleeved on the upright post rotary drum, the horizontal sleeve is fixed at the top end of the vertical sleeve, the horizontal sleeve is rotatably connected with the top end of the upright post rotary drum through a bolt, a first copper sleeve is arranged between the top end surface of the upright post rotary drum and the outer side wall of the horizontal sleeve, and the first copper sleeve is sleeved on the bolt; the first cross beam is rotationally connected with one end of the horizontal sleeve, and the second cross beam is rotationally connected with the other end of the horizontal sleeve;
the connecting assembly further comprises a first rotary drum and a second rotary drum, wherein the first rotary drum is used for rotationally connecting the first cross beam to the horizontal sleeve, the second rotary drum is used for rotationally connecting the second cross beam to the horizontal sleeve, the first rotary drum and the second rotary drum are respectively inserted into the horizontal sleeve through the two end ports of the horizontal sleeve in a rotating way, the first rotary drum is connected with the first cross beam, and the second rotary drum is connected with the second cross beam;
the horizontal sleeve is internally provided with a second copper sleeve for rotatably supporting the first rotary drum, the second copper sleeve is sleeved at the outer side end part of the first rotary drum, the horizontal sleeve is internally provided with a third copper sleeve for rotatably supporting the second rotary drum, and the third copper sleeve is sleeved at the outer side end part of the second rotary drum;
the inner side end of the first rotary drum is connected with the inner side end of the second rotary drum, an adjusting handle used for adjusting the rotation angle of the first rotary drum and the second rotary drum is arranged at the joint of the first rotary drum and the second rotary drum, and a guide slot hole used for guiding the adjusting handle to move and adjust is formed in the horizontal sleeve.
2. The rotation mechanism for a heliostat of claim 1, wherein: a first annular bulge is convexly arranged at one end of the inner side wall of the horizontal sleeve, and the outer peripheral surface of the second copper sleeve is supported on the first annular bulge; and the other end of the inner side wall of the horizontal sleeve is convexly provided with a second annular bulge, and the outer peripheral surface of the third copper sleeve is supported on the second annular bulge.
3. The rotation mechanism for a heliostat of claim 1, wherein: the top end face of the upright column rotary drum is provided with a shaft hole for the bolt to pass through, the top end face of the upright column rotary drum is provided with a shaft sleeve surrounding the shaft hole, the horizontal sleeve is correspondingly provided with a passing hole for the bolt to pass through, the bolt sequentially passes through the passing hole, the shaft sleeve and the shaft hole are rotatably arranged in the shaft sleeve, the first copper sleeve is sleeved on the periphery of the shaft sleeve, and the shaft sleeve stretches into the passing hole.
4. The rotation mechanism for a heliostat of claim 3, wherein: the first copper sleeve comprises a round copper sleeve and a copper ring which extends outwards from one end of the round copper sleeve along the radial direction of the round copper sleeve, the round copper sleeve is sleeved on the shaft sleeve, and the copper ring is arranged between the upright column rotary drum and the horizontal sleeve.
5. The rotating mechanism for a heliostat of claim 4, wherein: the horizontal sleeve is provided with a boss in a corresponding position in the middle of the upright column rotary drum in an outward protruding way, the through hole is formed in the boss, and the copper ring is arranged between the boss and the upright column rotary drum.
6. The rotating mechanism for a heliostat of claim 4, wherein: the inner side wall of the horizontal sleeve is provided with a containing groove for containing a nut of the bolt.
7. The rotating mechanism for a heliostat of any of claims 1-6, wherein: a plurality of annular grooves are formed in the inner side wall of the vertical sleeve at intervals along the axial direction of the vertical sleeve.
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| CN201910428439.7A CN110145878B (en) | 2019-05-22 | 2019-05-22 | Rotating mechanism for heliostat |
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| CN201910428439.7A CN110145878B (en) | 2019-05-22 | 2019-05-22 | Rotating mechanism for heliostat |
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| CN110145878B true CN110145878B (en) | 2024-04-05 |
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| CN110708013B (en) * | 2019-10-30 | 2021-11-09 | 深圳中科能投能源有限公司 | Positioning device of heliostat |
| CN113110614B (en) * | 2021-04-22 | 2023-02-17 | 浙江可胜技术股份有限公司 | Self-adaptive surface type heliostat mirror bracket |
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| CN201936058U (en) * | 2011-01-30 | 2011-08-17 | 杭州工电能源科技有限公司 | Heliostat supporting device |
| WO2012139169A1 (en) * | 2011-04-15 | 2012-10-18 | Heliosystems Pty Ltd | Toroidal heliostat |
| CN203800866U (en) * | 2014-03-19 | 2014-08-27 | 上海摩昆新能源科技有限公司 | Rotation support component used for photovoltaic array support frame |
| CN206710682U (en) * | 2017-04-06 | 2017-12-05 | 首航节能光热技术股份有限公司 | A kind of small-sized optically focused heliostat for tower type solar energy thermal power generation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI424136B (en) * | 2009-08-24 | 2014-01-21 | Herng Jiunn Liao | Two-axes solar tracker system and apparatus for solar panel and likes |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201936058U (en) * | 2011-01-30 | 2011-08-17 | 杭州工电能源科技有限公司 | Heliostat supporting device |
| WO2012139169A1 (en) * | 2011-04-15 | 2012-10-18 | Heliosystems Pty Ltd | Toroidal heliostat |
| CN203800866U (en) * | 2014-03-19 | 2014-08-27 | 上海摩昆新能源科技有限公司 | Rotation support component used for photovoltaic array support frame |
| CN206710682U (en) * | 2017-04-06 | 2017-12-05 | 首航节能光热技术股份有限公司 | A kind of small-sized optically focused heliostat for tower type solar energy thermal power generation |
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