CN113153892A - Photovoltaic support main shaft structure and photovoltaic tracking support system comprising same - Google Patents

Photovoltaic support main shaft structure and photovoltaic tracking support system comprising same Download PDF

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Publication number
CN113153892A
CN113153892A CN202110439890.6A CN202110439890A CN113153892A CN 113153892 A CN113153892 A CN 113153892A CN 202110439890 A CN202110439890 A CN 202110439890A CN 113153892 A CN113153892 A CN 113153892A
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CN
China
Prior art keywords
main shaft
pipe end
photovoltaic
reducing pipe
axial
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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
CN202110439890.6A
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Chinese (zh)
Inventor
谢入金
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Jiangsu Xiri New Energy Technology Co ltd
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Jiangsu Xiri New Energy Technology Co ltd
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Priority to CN202110439890.6A priority Critical patent/CN113153892A/en
Publication of CN113153892A publication Critical patent/CN113153892A/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
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • F16C3/023—Shafts; Axles made of several parts, e.g. by welding
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (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 photovoltaic support main shaft structure and a photovoltaic tracking support system comprising the same. The invention relates to a multi-point clamping nested spindle, wherein the inner side of the port of the spindle is a polygon which is convex outwards and concave inwards, the spindle can be locked after clamping, the torque can be adjusted, the spindle joint is effectively prevented from sliding, and the axes of unit spindle sleeves are ensured to be mutually overlapped.

Description

Photovoltaic support main shaft structure and photovoltaic tracking support system comprising same
Technical Field
The invention relates to the technical field of photovoltaic supports, in particular to a photovoltaic support main shaft structure and a photovoltaic tracking support system comprising the same.
Background
Solar photovoltaic power generation is a technology of receiving incident sunlight by using an array formed by a solar photovoltaic module subsystem, converting light energy into electric energy through photovoltaic conversion, and collecting the generated electric energy for use. Solar photovoltaic systems typically employ a mounting structure to mount the solar photovoltaic array. The photovoltaic tracking support scheme generally comprises single-row assembly single-shaft independent drive, single-row assembly multi-shaft linkage drive, multi-row assembly single-shaft independent drive and multi-row assembly multi-shaft linkage drive. The single-shaft tracking support system is provided with a rotatable main shaft component, and one or more rows of photovoltaic modules are fixed on the main shaft component through purlines, and the photovoltaic modules form a rotating part together. In use, the spindles of the photovoltaic panels need to be connected together, and the common means is to hold the spindles tightly against each other, but relative sliding is still unavoidable.
To this end, patent specification CN206129918U discloses a photovoltaic spindle connecting device, which includes a plurality of hoops for clamping the spindle of the photovoltaic panel, each hoop includes a plurality of through holes located at the middle thereof, and a plurality of connecting members pass through the plurality of through holes and the through holes located at the ends of the spindle, so that the spindle and the plurality of hoops are fixedly connected. The photovoltaic main shaft connecting device can fixedly and reliably connect the main shafts, effectively avoid sliding and twisting between the main shafts and realize gapless connection between the main shafts. The photovoltaic main shaft connecting device has the disadvantages that firstly, the connection between each unit shaft sleeve adopts the mode of clamping by an outer wrapping hoop, the installation on the structure is complicated, and the hoop cost is increased; secondly, the main shaft can not be assembled quickly, so that the installation efficiency is low.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a photovoltaic support main shaft structure and a photovoltaic tracking support system comprising the same.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the invention provides a main shaft structure of a photovoltaic support, which comprises a main shaft, wherein the main shaft is a combined shaft formed by combining a plurality of unit shaft sleeves, one end part of each unit shaft sleeve is provided with an outer reducing pipe end, the other end part of each unit shaft sleeve is provided with an inner reducing pipe end, the respective ports of the outer reducing pipe end and the inner reducing pipe end comprise axial convex parts and axial concave parts which are alternately distributed along the circumferential direction, the axial concave parts and the axial convex parts of the outer reducing pipe end and the inner reducing pipe end are radially positioned in a clearance fit mode, and the main shaft is locked in a matched mode.
Further, in the above-mentioned photovoltaic support main shaft structure, the outer reducing pipe end is provided with an outer positioning hole, the inner reducing pipe end is correspondingly provided with an inner positioning hole, and the outer reducing pipe end and the inner reducing pipe end are fixed by fasteners sequentially penetrating through the outer positioning hole and the inner positioning hole after being sleeved.
Further, in the above-mentioned photovoltaic support main shaft structure, the surfaces of the axial convex portions and the axial concave portions are provided with radians, and the surface of the side plate between the adjacent axial convex portions and the axial concave portions is also provided with a radian.
Further, in the above-mentioned photovoltaic support main shaft structure, central angles corresponding to the axial convex portion and the axial concave portion are equal.
Furthermore, in the above-mentioned photovoltaic support main shaft structure, the unit axle sleeve is as an organic whole structure rather than the outer reducing pipe end, the interior reducing pipe end that inlay on it.
Further, in the above-mentioned photovoltaic support main shaft structure, the outer reducing pipe end and the inner reducing pipe end are respectively provided with 2-8 axial convex parts, preferably 4.
Further, in the photovoltaic support main shaft structure, the outer positioning hole is located on the axial convex portion of the outer telescopic pipe end, and the inner positioning hole is located on the axial convex portion of the inner telescopic pipe end.
Further, in the above-mentioned photovoltaic support main shaft structure, the outer positioning hole is located on the axial concave portion of the outer telescopic pipe end, and the inner positioning hole is located on the axial concave portion of the inner telescopic pipe end.
The invention also provides a photovoltaic tracking support system which comprises a base, an upright post, a first purlin component, a second purlin component, a photovoltaic component panel and the photovoltaic support main shaft structure.
Furthermore, in the photovoltaic tracking support system, the main shaft of the main shaft structure of the photovoltaic support is fixedly supported with a panel of the photovoltaic assembly through a second purlin assembly, and the base provides a rotary support for the main shaft through the upright post and the first purlin assembly.
The invention has the beneficial effects that:
1. the photovoltaic support main shaft structure provided by the invention is a multi-point clamping nested main shaft, the inner side of the port of the main shaft is a polygon which is convex outwards and concave inwards, radial positioning is carried out in a way that the axial concave part and the axial convex part of the port of the main shaft are in clearance fit, locking of the main shaft is realized in a matching way, torque is adjusted, sliding at the joint of the main shaft is effectively avoided, and the mutual coincidence of the axes of unit shaft sleeves is ensured.
2. The invention only needs one fastener when assembling, saves cost, accelerates the installation speed of the bearing and improves the assembling efficiency.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a photovoltaic support spindle structure according to the present invention;
FIG. 2 is a schematic structural view of a main shaft structure of a photovoltaic support according to the present invention;
FIG. 3 is a schematic structural view of a photovoltaic tracking mounting system according to the present invention;
FIG. 4 is a schematic illustration of the positions of the unit sleeves, the second purlin assemblies and the photovoltaic module panels of the present invention;
FIG. 5 is a schematic cross-sectional view of an assembled outer and inner reducer ends of the present invention;
FIG. 6 is a schematic longitudinal cross-sectional view of an assembled outer and inner reducer ends of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-unit shaft sleeve, 101-outer telescopic pipe end, 102-inner telescopic pipe end, 103-outer positioning hole, 104-inner positioning hole, 105-axial convex part, 106-axial concave part, 107-fastening piece, 2-second purlin component, 3-photovoltaic component panel, 4-base, 5-upright post and 6-first purlin component.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-6, the present embodiment is a main shaft structure of a photovoltaic support, including a main shaft, the main shaft is a combined shaft formed by combining a plurality of unit shaft sleeves 1, one end of each unit shaft sleeve 1 is provided with an outer telescopic end 101, and the other end is provided with an inner telescopic end 102. The ports of the outer reducing pipe end 101 and the inner reducing pipe end 102 respectively comprise axial convex parts 105 and axial concave parts 106 which are alternately distributed along the circumferential direction, and the axial concave parts 106 and the axial convex parts 105 of the outer reducing pipe end 101 and the inner reducing pipe end 102 are radially positioned in a clearance fit mode to realize the locking of the main shaft in a matching mode.
In this embodiment, the outer telescopic end 101 is provided with an outer positioning hole 103, the inner telescopic end 102 is correspondingly provided with an inner positioning hole 104, the outer telescopic end 101 and the inner telescopic end 102 are sleeved and fixed by a fastening member 107 sequentially penetrating through the outer positioning hole 103 and the inner positioning hole 104, and the fastening member can be a tension nut.
In this embodiment, the outer positioning hole 103 is located on the axial protrusion 105 of the outer ferrule end 101, and the inner positioning hole 104 is located on the axial protrusion 105 of the inner ferrule end 102.
In the present embodiment, the surfaces of the axial convex portion 105 and the axial concave portion 106 are provided with a curvature, and the surface of the side plate between the adjacent axial convex portion 105 and the axial concave portion 106 is also provided with a curvature. The central angles of the axial convex portion 105 and the axial concave portion 106 are equal. The outer and inner telescoping tube ends 101, 102 are each provided with four axial protrusions 105 and four axial recesses 106.
In this embodiment, the unit shaft sleeve 1 is integrated with the outer convergent end 101 and the inner convergent end 102.
One specific application of this embodiment is: the photovoltaic support main shaft structure is a multipoint clamping nested main shaft, the inner side of a main shaft port of the photovoltaic support main shaft structure is a polygon which is convex outwards and concave inwards, radial positioning is carried out in a way that an axial concave part and an axial convex part of the main shaft port are in clearance fit, locking of the main shaft is achieved in a matching mode, torque is adjusted, sliding of the main shaft connecting part is effectively avoided, and the mutual coincidence of the axes of the unit shaft sleeves is ensured. Only one fastener is needed during assembly, so that the cost is saved, the bearing installation speed is increased, and the assembly efficiency is improved.
Example two
The structure and application of this embodiment are substantially the same as those of the first embodiment, except that the outer positioning hole 103 is located in the axial recess 106 of the outer ferrule end 101, and the inner positioning hole 104 is located in the axial recess 106 of the inner ferrule end 102.
EXAMPLE III
This embodiment is a photovoltaic tracking mounting system, and this photovoltaic tracking mounting system includes base 4, stand 5, first purlin subassembly 6, second purlin subassembly 2, photovoltaic module panel 3 and photovoltaic support main shaft structure as in embodiment one. The main shaft 1 of the photovoltaic support main shaft structure is fixedly supported with a photovoltaic assembly panel 3 through a second purlin assembly 2, and the base 4 provides a rotating support for the main shaft through a stand column 5 and a first purlin assembly 6.
Example four
This embodiment is a photovoltaic tracking mounting system, and this photovoltaic tracking mounting system includes base 4, stand 5, first purlin subassembly 6, second purlin subassembly 2, photovoltaic module panel 3 and the photovoltaic support main shaft structure as described in embodiment two. The main shaft 1 of the photovoltaic support main shaft structure is fixedly supported with a photovoltaic assembly panel 3 through a second purlin assembly 2, and the base 4 provides a rotating support for the main shaft through a stand column 5 and a first purlin assembly 6.
The preferred embodiments of the present invention disclosed above are intended to facilitate the explanation of the present invention only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides a photovoltaic support main shaft structure, includes the main shaft, its characterized in that: the spindle is a combined spindle formed by combining a plurality of unit spindle sleeves, one end of each unit spindle sleeve is provided with an outer reducing pipe end, the other end of each unit spindle sleeve is provided with an inner reducing pipe end, the ports of the outer reducing pipe end and the inner reducing pipe end respectively comprise axial convex parts and axial concave parts which are alternately distributed along the circumferential direction, the axial concave parts and the axial convex parts of the outer reducing pipe end and the inner reducing pipe end are radially positioned in a clearance fit mode, and the spindle is locked in a matched mode.
2. The photovoltaic support main shaft structure according to claim 1, wherein: the outer reducing pipe end is provided with an outer positioning hole, the inner reducing pipe end is correspondingly provided with an inner positioning hole, and the outer reducing pipe end and the inner reducing pipe end are fixed by fasteners which sequentially penetrate through the outer positioning hole and the inner positioning hole after being sleeved.
3. The photovoltaic support main shaft structure according to claim 1, wherein: the surfaces of the axial convex parts and the axial concave parts are provided with radians, and the surface of a side plate between every two adjacent axial convex parts and axial concave parts is also provided with a radian.
4. The photovoltaic support main shaft structure according to claim 1, wherein: the central angles corresponding to the axial convex part and the axial concave part are equal.
5. The photovoltaic support main shaft structure according to claim 1, wherein: the unit shaft sleeve and the outer telescopic pipe end and the inner telescopic pipe end on the unit shaft sleeve are of an integrated structure.
6. The photovoltaic support main shaft structure according to claim 1, wherein: the outer reducing pipe end and the inner reducing pipe end are respectively provided with 2-8 axial convex parts, preferably 4 axial convex parts.
7. The photovoltaic support main shaft structure according to claim 2, wherein: the outer positioning hole is positioned on the axial convex part of the outer reducing pipe end, and the inner positioning hole is positioned on the axial convex part of the inner reducing pipe end.
8. The photovoltaic support main shaft structure according to claim 2, wherein: the outer positioning hole is positioned on the axial concave part of the outer reducing pipe end, and the inner positioning hole is positioned on the axial concave part of the inner reducing pipe end.
9. A photovoltaic tracking mounting system, its characterized in that: the photovoltaic tracking rack system comprises a base, a column, a first purlin assembly, a second purlin assembly, a photovoltaic assembly panel and the photovoltaic rack spindle structure of any one of claims 1-8.
10. The photovoltaic tracking rack system of claim 9, wherein: the main shaft of the photovoltaic support main shaft structure is fixedly supported with a photovoltaic assembly panel through a second purlin assembly, and the base provides a rotary support for the main shaft through the stand column and the first purlin assembly.
CN202110439890.6A 2021-04-23 2021-04-23 Photovoltaic support main shaft structure and photovoltaic tracking support system comprising same Pending CN113153892A (en)

Priority Applications (1)

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CN202110439890.6A CN113153892A (en) 2021-04-23 2021-04-23 Photovoltaic support main shaft structure and photovoltaic tracking support system comprising same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110439890.6A CN113153892A (en) 2021-04-23 2021-04-23 Photovoltaic support main shaft structure and photovoltaic tracking support system comprising same

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CN113153892A true CN113153892A (en) 2021-07-23

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1946946A (en) * 2004-06-14 2007-04-11 恩斯特格罗布股份公司 Grooved profile for a hub shaft connection
CN112350653A (en) * 2020-12-04 2021-02-09 江苏曦日新能源科技有限公司 Photovoltaic tracking support convenient to field installation
CN215171475U (en) * 2021-04-23 2021-12-14 江苏曦日新能源科技有限公司 Photovoltaic support main shaft structure and photovoltaic tracking support system comprising same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1946946A (en) * 2004-06-14 2007-04-11 恩斯特格罗布股份公司 Grooved profile for a hub shaft connection
CN112350653A (en) * 2020-12-04 2021-02-09 江苏曦日新能源科技有限公司 Photovoltaic tracking support convenient to field installation
CN215171475U (en) * 2021-04-23 2021-12-14 江苏曦日新能源科技有限公司 Photovoltaic support main shaft structure and photovoltaic tracking support system comprising same

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Address after: 213000 plant 6, Fengxiang Industrial Park, No. 31, Fengxiang Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province

Applicant after: Jiangsu Xiri New Energy Technology Co., Ltd

Address before: 701-13, 7 / F, No.10 factory building, Changzhou Innovation Park, Changzhou, Israel, China, no.18-67, middle Changwu Road, Wujin District, Changzhou City, Jiangsu Province, 213000

Applicant before: Jiangsu Xiri New Energy Technology Co., Ltd

CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Xie Rujin

Inventor after: Zhang Yecheng

Inventor before: Xie Rujin