CN115562361A - Solar photovoltaic flexible double-shaft tracker - Google Patents

Solar photovoltaic flexible double-shaft tracker Download PDF

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Publication number
CN115562361A
CN115562361A CN202211037170.8A CN202211037170A CN115562361A CN 115562361 A CN115562361 A CN 115562361A CN 202211037170 A CN202211037170 A CN 202211037170A CN 115562361 A CN115562361 A CN 115562361A
Authority
CN
China
Prior art keywords
shaft
photovoltaic
pair
flexible
bottom plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211037170.8A
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Chinese (zh)
Inventor
廖军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Xietong New Energy Technology Co ltd
Original Assignee
Jiangsu Xietong New Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Xietong New Energy Technology Co ltd filed Critical Jiangsu Xietong New Energy Technology Co ltd
Priority to CN202211037170.8A priority Critical patent/CN115562361A/en
Publication of CN115562361A publication Critical patent/CN115562361A/en
Priority to CN202311078987.4A priority patent/CN117811474A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/201—Composition of the plastic
    • 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
    • F24S30/20—Arrangements for moving or orienting solar heat collector modules for linear movement
    • 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
    • F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • 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
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/133—Transmissions in the form of flexible elements, e.g. belts, chains, ropes
    • 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
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a solar photovoltaic flexible double-shaft tracker which comprises a truss base, a double-shaft mechanism, a V-shaped support, a photovoltaic purline frame and a flexible traction mechanism, wherein the double-shaft mechanism comprises a shaft seat arranged on the truss base and a cross shaft consisting of a long shaft and a pair of short shafts arranged on two sides of the long shaft, the short shafts of the cross shaft are sleeved on the shaft seat through first bearings, the bottoms of a plurality of pairs of V-shaped supports are sleeved on the long shaft through second bearings, the photovoltaic purline frame is fixedly arranged at the upper end of the V-shaped support, and the flexible traction mechanism comprises a driving mechanism arranged on the truss base and a steel wire rope assembly which is driven by the driving mechanism and respectively drives the photovoltaic purline frame and the cross shaft. Through adopting the design of V-arrangement support, can reduce the height of truss base, and then reduced mounting height, satisfy two-way tracking pivoted demand simultaneously.

Description

Solar photovoltaic flexible double-shaft tracker
Technical Field
The invention belongs to a solar tracking system of a photovoltaic power station, and particularly relates to a solar photovoltaic flexible double-shaft tracker.
Background
In present photovoltaic power plant solar tracking system, biax tracking system all adopts the single pole to support, and most overall arrangement is high, need bear great wind-force effect, and installation speed is slow and also be inconvenient for maintain. And with a single pole support, 7 foundations are usually required, which also increases the complexity and difficulty of installation.
Disclosure of Invention
The invention aims to provide a solar photovoltaic flexible double-shaft tracker which can reduce the installation height and difficulty.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a flexible biax tracker of solar photovoltaic, including the truss base, biax mechanism, the V-arrangement support, photovoltaic purlin frame and flexible drive mechanism, biax mechanism is including locating the axle bed on the truss base, the cross that constitutes by a major axis and a pair of minor axis of locating the major axis both sides, the minor axis of cross is located on the axle bed through first bearing housing, the number is located on the major axis through second bearing housing cover to V-arrangement support bottom, photovoltaic purlin frame sets firmly in the upper end of V-arrangement support, flexible drive mechanism is including locating the actuating mechanism on the truss base, by the actuating mechanism drive and drive photovoltaic purlin frame respectively, the wire rope subassembly of cross.
The truss base comprises a plurality of supporting rods, a first bottom plate, a second bottom plate and an installation vertical rod, the top ends of the supporting rods are hinged to the bottom of the first bottom plate respectively, the bottom ends of the supporting rods are installed on corresponding cement bases respectively, the top end of the installation vertical rod is fixed to the bottom of the first bottom plate, the bottom end of the installation vertical rod is connected with the second bottom plate, and connecting rods horizontally connected with the corresponding supporting rods are arranged on the periphery of the second bottom plate.
Rings are respectively arranged at the lower parts of the two ends of the long shaft, and pulleys are arranged on the cement base.
The V-shaped support comprises a pair of inclined rods, the bottom ends of the two inclined rods are symmetrically arranged on two sides of the second bearing sleeve respectively through triangular connecting pieces, and the top ends of the two inclined rods are connected to the innermost longitudinal purline of the photovoltaic purline frame respectively through the triangular connecting pieces.
The driving mechanism comprises a pair of speed reducers which are arranged on the mounting upright rods respectively, the steel wire rope assembly comprises wire coils driven by the speed reducers and steel wire ropes wound on the two wire coils respectively, and two ends of the steel wire rope on one wire coil respectively penetrate through hanging rings at two ends of the long shaft and then are wound through pulleys on a pair of cement bases in the long shaft direction and then are connected to the middle positions of a pair of purlins which are perpendicular to the long shaft and are arranged on the outermost side in the long shaft direction of the photovoltaic purlin frame respectively; two ends of a steel wire rope on the other wire coil pass through the middle positions of a pair of purlins which are perpendicular to the short shaft and are arranged on two sides of the short shaft respectively, then are wound around pulleys on the other pair of cement bases in the direction of the short shaft, and then are connected to the middle positions of a pair of purlins which are perpendicular to the short shaft and are arranged on the outermost side of the photovoltaic purlin frame in the direction of the short shaft respectively.
The first bearing sleeve and the second bearing sleeve are both made of self-lubricating plastic materials.
The solar photovoltaic flexible double-shaft tracker has the following advantages:
1. the design of the V-shaped bracket is adopted, so that the height of the truss base can be reduced, and the installation height is further reduced;
2. the bottom of the umbrella is provided with a truss structure instead of a traditional single-upright-column structure, so that the dissipation force is reasonably decomposed, and the design principle similar to that of opening and closing the umbrella can be realized during installation, the umbrella can be freely opened and closed, the installation height is further reduced, and the umbrella is convenient and fast to install;
3. the steel wire ropes are arranged on the foundation of the truss structure, so that the total number of the foundations can be reduced, 7 foundations are required for the traditional single-upright-column structure, and only 4 foundations are required for the invention;
4. the fastening and fastening points of the steel wire rope are increased, so that the overall wind and snow resistance is improved;
5. the design of combining the V-shaped bracket and the cross shaft is adopted, the parts above the truss structure can be firstly installed on the ground, and the truss structure can be directly and integrally lifted and installed after being assembled, so that time and labor are saved;
6. the bearing sleeve made of self-lubricating plastic materials is adopted, so that the friction force can be reduced.
Drawings
FIG. 1 is a schematic perspective view of a solar photovoltaic flexible dual-axis tracker of the present invention;
FIGS. 2 and 3 are schematic side and top views of the truss mount of the present invention;
FIG. 4 is a schematic view of the assembly structure of the biaxial mechanism and the V-shaped bracket of the present invention;
FIGS. 5a and 5b are schematic structural views of the shaft seat of the present invention from different viewing angles;
FIG. 6 is a top schematic view of a cross of the present invention.
Detailed Description
The solar photovoltaic flexible double-shaft tracker disclosed by the invention comprises a truss base 1, a double-shaft mechanism 2, a V-shaped support 3, a photovoltaic purline frame 4 and a flexible traction mechanism 5 as shown in figures 1-6, wherein the truss base 1 comprises a plurality of supporting rods 11, a first bottom plate 12, a second bottom plate 13 and installation upright rods 14 as shown in figures 2-3, four supporting rods 11 are preferably selected, and certainly three or more supporting rods 11 are also available, the top ends of the supporting rods 11 are respectively hinged to the bottom of the first bottom plate 12 adopting a circular plate-shaped structure through triangular connecting pieces 17, the bottom ends of the supporting rods 11 are respectively installed on corresponding cement bases 6, for example, the number of the supporting rods 11 is four, the cement bases 6 are also four, the top ends of the installation upright rods 14 are fixed in the middle of the bottom of the first bottom plate 12, the bottom ends of the installation upright rods are connected with the second bottom plate 13, the second bottom plate 13 is respectively provided with a plurality of connecting rods 15 horizontally connected with the corresponding supporting rods 11 through embedded bolts 61, the number of the connecting rods 15 is the same as that of the supporting rods 11, and the connecting rods 15 is realized through bolt groups 16. As shown in fig. 4 and 6, the dual-shaft mechanism 2 includes a shaft seat 21 disposed on the truss base 1, and a cross shaft 22 composed of a long shaft and a pair of short shafts 224 disposed on both sides of the long shaft, where the shaft seat 21 is formed by welding a third bottom plate 211, a pair of support plates 212 disposed on the third bottom plate 211, rib plates 213 disposed on inner sides of the support plates 212, and reinforcing columns 215 connecting between the two rib plates 213, as shown in fig. 5a and 5b, the bottom of the third bottom plate 211 is connected to the first bottom plate 12 through bolts 214, the support plate 212 is provided with a pair of shaft holes 216, the short shafts 224 of the cross shaft 22 are respectively inserted into the corresponding shaft holes 216 through first bearing sleeves 221, the bottoms of the pairs of V-shaped brackets 3 are sleeved on the long shaft 223 through second bearing sleeves 222, and the first and second bearing sleeves 221 and 222 are made of self-lubricating plastic material such as ultra-high molecular weight polyethylene, which can effectively reduce friction. As shown in fig. 4, the V-shaped brackets 3 may be a pair, and are respectively disposed at two ends of the long shaft 223, each V-shaped bracket 3 includes a pair of diagonal rods 31, bottom ends of the two diagonal rods are respectively symmetrically disposed at two sides of the second bearing sleeve 222 through the triangular connecting member 17 to form a V-shape, and top ends of the two diagonal rods are respectively connected to the innermost longitudinal purlines at the same side of the photovoltaic purline frame 4 through the triangular connecting member 17. The second bearing sleeve 222 can be axially positioned by means of positioning bolts 25 on both sides thereof, and the long shaft 223 can be penetrated by the short shaft 224 and welded to each other by means of the sleeve 24. The flexible traction mechanism 5 comprises a driving mechanism arranged on the truss base 1, and steel wire rope assemblies which are driven by the driving mechanism and respectively drive the photovoltaic purline frame 4 and the cross shaft 22, and is specifically arranged as follows: hanging rings 23 are respectively arranged at the lower parts of two ends of a long shaft 223, pulleys (not shown in the figure) are respectively arranged on the cement bases 6, the flexible traction mechanism 5 comprises a pair of speed reducers 51 and wire coils 52 thereof which are respectively arranged on the installation upright rods 14, and steel wire ropes 53 which are respectively wound on the two wire coils 52, wherein two ends of the steel wire rope 53 on one wire coil 52 respectively pass through the hanging rings 23 (point A in figure 1) at two ends of the long shaft 223 and then are wound around the pulleys (point B in figure 1) on the pair of cement bases 6 in the long shaft direction and then are respectively connected to the middle positions (point C in figure 1) of two purlins on the outermost side in the long shaft direction of the photovoltaic purlin frame 4, and two ends of the steel wire rope 53 on the other wire coil 52 respectively pass through the middle positions (preferably, between the upper ends of the two V-shaped brackets 3, and also are provided with the hanging rings, namely point D in figure 1) and then are respectively connected to the middle positions (point F in figure 1) of the short shaft 224 on the outermost side of the photovoltaic purlin in the short shaft frame direction. It should be noted that the points a-B-C and D-E-F in fig. 1 are only shown as connection points at one end of each steel cord, while the connection points at the other end are symmetrical. Thus, when the speed reducer 51 controls the wire coil 52 to rotate forwards or backwards, the cross shaft 22 can be driven to rotate around the short shaft 224 by the traction of the steel wire rope, so that the angle tracking adjustment of the photovoltaic purline frame 4 (in the east-west direction in fig. 1) is realized; when the speed reducer controls the wire coil 52 to rotate forwards and backwards, the photovoltaic purline frame 4 and the V-shaped support 3 can be driven to rotate around the long shaft 223 by the traction of the steel wire rope, so that the angle tracking adjustment of the photovoltaic purline frame 4 (in the north-south direction in fig. 1) is realized.
During installation, the upper half part, namely the photovoltaic purline frame 4, the V-shaped support 3 and the double-shaft mechanism 2, can be assembled on the ground, then the truss base 1 is unfolded and installed on a cement foundation according to the cement base 6 on the ground, then the upper half part is lifted and installed on the truss base 1, and finally the flexible traction mechanism 5 is connected and installed.
In conclusion, the solar photovoltaic flexible double-shaft tracker reduces the difficulty of foundation construction, and the upper half part can be directly assembled on the ground, so that the installation speed is increased, and the installation is convenient and fast; the base adopts a truss assembly mode, so that the connection and the support are more material-saving, firm and stable; utilize wire rope's flexible characteristic, taut fixed ground, rotate the purlin frame, control the design of east-west north-south direction, make whole tracker more firm, firm to only need the small-size motor can drive the array of bigger specification subassembly group piece and arrange.
However, those skilled in the art should realize that the above embodiments are illustrative only and not limiting to the present invention, and that changes and modifications to the above described embodiments are intended to fall within the scope of the appended claims, provided they fall within the true spirit of the present invention.

Claims (6)

1. The utility model provides a flexible biax tracker of solar photovoltaic which characterized in that: including the truss base, biax mechanism, the V-arrangement support, photovoltaic purlin frame and flexible drive mechanism, biax mechanism is including locating the axle bed on the truss base, the cross axle that constitutes by a major axis and a pair of minor axis of locating the major axis both sides, the minor axis of cross axle is located on the axle bed through first bearing housing, several pairs of V-arrangement support bottoms are located on the major axis through second bearing housing cover, photovoltaic purlin frame sets firmly the upper end in the V-arrangement support, flexible drive mechanism is including locating the actuating mechanism on the truss base, drive photovoltaic purlin frame respectively by the actuating mechanism drive, the wire rope subassembly of cross axle.
2. The solar photovoltaic flexible dual-axis tracker according to claim 1, characterized in that: the truss base comprises a plurality of supporting rods, a first bottom plate, a second bottom plate and an installation vertical rod, the top ends of the supporting rods are hinged to the bottom of the first bottom plate respectively, the bottom ends of the supporting rods are installed on corresponding cement bases respectively, the top end of the installation vertical rod is fixed to the bottom of the first bottom plate, the bottom end of the installation vertical rod is connected with the second bottom plate, and the periphery of the second bottom plate is provided with connecting rods horizontally connected with the corresponding supporting rods.
3. The flexible solar photovoltaic dual-axis tracker of claim 2, characterized in that: rings are respectively arranged at the lower parts of the two ends of the long shaft, and pulleys are arranged on the cement base.
4. The solar photovoltaic flexible dual-axis tracker according to claim 1, characterized in that: the V-shaped support comprises a pair of inclined rods, the bottom ends of the two inclined rods are symmetrically arranged on two sides of the second bearing sleeve respectively through triangular connecting pieces 17, and the top ends of the two inclined rods are connected to the innermost longitudinal purline of the photovoltaic purline frame respectively through the triangular connecting pieces.
5. The solar photovoltaic flexible dual-axis tracker according to claim 3, characterized in that: the driving mechanism comprises a pair of speed reducers which are arranged on the mounting upright rods respectively, the steel wire rope assembly comprises wire coils driven by the speed reducers and steel wire ropes wound on the two wire coils respectively, and two ends of the steel wire rope on one wire coil respectively penetrate through hanging rings at two ends of the long shaft and then are wound through pulleys on a pair of cement bases in the long shaft direction and then are connected to the middle positions of a pair of purlins which are perpendicular to the long shaft and are arranged on the outermost side in the long shaft direction of the photovoltaic purlin frame respectively; two ends of a steel wire rope on the other wire coil pass through the middle positions of a pair of purlins which are perpendicular to the short shaft and are arranged on two sides of the short shaft respectively, then are wound around pulleys on the other pair of cement bases in the direction of the short shaft, and then are connected to the middle positions of a pair of purlins which are perpendicular to the short shaft and are arranged on the outermost side of the photovoltaic purlin frame in the direction of the short shaft respectively.
6. The flexible solar photovoltaic dual-axis tracker according to claim 1, characterized in that: the first bearing sleeve and the second bearing sleeve are both made of self-lubricating plastic materials.
CN202211037170.8A 2022-08-26 2022-08-26 Solar photovoltaic flexible double-shaft tracker Pending CN115562361A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202211037170.8A CN115562361A (en) 2022-08-26 2022-08-26 Solar photovoltaic flexible double-shaft tracker
CN202311078987.4A CN117811474A (en) 2022-08-26 2023-08-25 Solar photovoltaic flexible double-shaft tracker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211037170.8A CN115562361A (en) 2022-08-26 2022-08-26 Solar photovoltaic flexible double-shaft tracker

Publications (1)

Publication Number Publication Date
CN115562361A true CN115562361A (en) 2023-01-03

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CN202211037170.8A Pending CN115562361A (en) 2022-08-26 2022-08-26 Solar photovoltaic flexible double-shaft tracker
CN202311078987.4A Pending CN117811474A (en) 2022-08-26 2023-08-25 Solar photovoltaic flexible double-shaft tracker

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116290829A (en) * 2023-04-25 2023-06-23 中建八局新型建造工程有限公司 Large-area purline XYZ direction installation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116290829A (en) * 2023-04-25 2023-06-23 中建八局新型建造工程有限公司 Large-area purline XYZ direction installation device
CN116290829B (en) * 2023-04-25 2024-05-10 中建八局新型建造工程有限公司 Large-area purline XYZ direction installation device

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CN117811474A (en) 2024-04-02

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Application publication date: 20230103