CN212518887U

CN212518887U - Photovoltaic power generation level single-shaft tracking power transmission strong wind prevention and damping integrated device

Info

Publication number: CN212518887U
Application number: CN202021421951.3U
Authority: CN
Inventors: 唐文义
Original assignee: Hunan Hehui Solar Technology Co ltd
Current assignee: Hunan Hehui Solar Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-09
Anticipated expiration: 2030-07-17

Abstract

Photovoltaic power generation level single-axis tracking power transmission prevents integrative device of strong wind damping, including the pylon basis, install the axis of rotation on the pylon basis, the tip and the transmission of axis of rotation are connected, are equipped with the photovoltaic board mounting bracket on the axle body of axis of rotation, the axis of rotation is connected through bearing the axle with the pylon basis, and the axis of rotation can be relatively the pylon basis rotates, transmission installs in the side on pylon basis. The utility model can improve the durability of the control link and the mechanical motion part, ensure the survival and adaptability of the system under different natural environments and climatic conditions for a long time, improve the system efficiency and reduce the system cost; the installation difficulty is reduced, the cost is saved, and the severe requirements of the photovoltaic power generation market on the safety, the high efficiency, the durability, the economy and the like of system integration in the future are met.

Description

Photovoltaic power generation level single-shaft tracking power transmission strong wind prevention and damping integrated device

Technical Field

The utility model relates to a new forms of energy technical equipment, concretely relates to photovoltaic level unipolar tracking power transmission prevents integrative device of strong wind damping.

Background

At present, the development of new energy is underway, and a new energy revolution is rolling the world.

The solar photovoltaic power generation technology is deeply liked by people due to the advantages of convenience, mature, intuitive and efficient energy conversion mode, particularly the centralized and distributed photovoltaic power generation mode which is widely popularized at present, and is gradually applied to the production and life of people under the support and encouragement of the national new energy development policy.

CN209419544U discloses anti strong wind of solar photovoltaic power generation pylon is from transmission of return, including the base with install the main shaft box on the base, the internal portion of main shaft is equipped with the main shaft, the top is equipped with the box end cover, the main shaft passes the box end cover and connects from the driving wheel, electronic travel switch is installed at box end cover edge, box end cover upper portion is equipped with the transmission fixed plate, its one end that is close to the main shaft is equipped with mechanical limiting plate, the other end is equipped with belt drive, belt drive's transmission part with from the driving wheel meshing, from the driving wheel bottom being equipped with spacing contact block of electron and the spacing post of machinery, through the transmission range of machinery spacing and the spacing restriction of. The transmission part with the transmission device is meshed with the driven wheel, so that the abrasion of the rodent is easily caused under the long-term action of strong wind and ice and snow loads, the gear is inconvenient to replace and maintain, the difficulty of operation and maintenance is increased, the instability of equipment operation is increased, and the failure rate of the equipment is increased.

The patent with the application number of 2019220692164 discloses a transmission device of a solar photovoltaic power generation tower frame, which comprises a base arranged on a prefabricated part and a main shaft box body arranged on the base, wherein a bearing and a main shaft are arranged inside the main shaft box body, a box body end cover is arranged at the top of the main shaft box body, a driven wheel and a main cross beam of the photovoltaic power generation tower frame are arranged on the upper part of the box body end cover, an electronic travel switch is arranged at the edge of the box body end cover, a transmission device fixing plate is arranged, a mechanical limiting plate is arranged at one end, close to a main shaft, of the transmission device fixing plate, an electronic limiting contact block and a mechanical limiting column are arranged at the bottom of the driven wheel, penetrating holes are formed in the base, the box body end cover, the driven wheel and the main cross beam and used for the main shaft to sequentially penetrate through, a pre-buried cable pipeline is arranged on the prefabricated part and connected with cables in the hollow main shaft, and a driving wheel and a speed reduction motor driving wheel are arranged at one end, far away from the main shaft. The disadvantages are that: the photovoltaic power generation tower can only rotate along the direction vertical to the ground, the angle of the photovoltaic panel receiving sunlight is small, and the efficiency of receiving light energy is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, overcome prior art not enough, provide a photovoltaic power generation level single-axis tracking power transmission of receiving light energy efficiency height, stability good, the maintenance of being convenient for and prevent integrative device of strong wind damping.

The utility model provides a technical scheme that its technical problem adopted is, the integrative device of strong wind damping is prevented in flat single-axis tracking power transmission of photovoltaic power generation, including the pylon basis, install the axis of rotation on the pylon basis, the tip and the transmission of axis of rotation are connected, are equipped with photovoltaic board mounting bracket on the axle body of axis of rotation, the axis of rotation is connected through bearing with the pylon basis, but the relative pylon basis of axis of rotation rotates, transmission installs in the side on pylon basis.

Further, transmission includes the action wheel, follows driving wheel and gear motor, gear motor's hub connection action wheel, and the action wheel passes through the belt and connects from the driving wheel, follows driving wheel fixed connection axis of rotation, and its wheel center runs through the axis of rotation, can drive the axis of rotation from the driving wheel and rotate, and gear motor installs on the tower leg on pylon basis.

Furthermore, the number of the tower foundations is N, wherein N is more than or equal to 2.

Furthermore, a limiting device is arranged on the side face of the driven wheel, and the limiting device is composed of a mechanical limiting device and an electronic limiting device.

Further, the mechanical limiting device is made of metal and comprises a mechanical limiting column arranged on the tower frame foundation and a mechanical limiting plate arranged on the driven wheel, and the mechanical limiting column comprises a first mechanical limiting column and a second mechanical limiting column which are symmetrically arranged on the tower frame foundation; the mechanical limiting plates comprise a first mechanical limiting plate and a second mechanical limiting plate which are symmetrically arranged, wherein the first mechanical limiting plate corresponds to the first mechanical limiting column, and the second mechanical limiting plate corresponds to the second mechanical limiting column; the interval between the first mechanical limiting plate and the second mechanical limiting plate is 120 degrees.

Furthermore, the electronic limiting device consists of three photoelectric sensing travel switches and photoelectric switch sensing points, wherein the three photoelectric sensing travel switches are respectively a first photoelectric sensing travel switch, a second photoelectric sensing travel switch and a third photoelectric sensing travel switch, the first photoelectric sensing travel switch and the second photoelectric sensing travel switch are symmetrically arranged at two ends of the upper part of the tower foundation, and the third photoelectric sensing travel switch is arranged above the top of the bearing; the photoelectric switch induction point is arranged on the driven wheel and is positioned on the central line of an included angle between the first mechanical limiting plate and the second mechanical limiting plate.

Furthermore, the rotating shaft is a square shaft, the shaft body of the rotating shaft is connected with a photovoltaic panel mounting rack through a plurality of connecting pieces, and a photovoltaic panel mounting groove is formed in the photovoltaic panel mounting rack; the lowermost edge of the photovoltaic panel mounting groove is higher than the top of the bearing shaft, so that the interference between the bearing shaft and the photovoltaic panel when a tower foundation is additionally arranged is avoided.

Furthermore, the main structure of the bearing is a circular cover plate, the bottom of the main structure is provided with a connecting seat connected with the tower foundation, the inner wall of the circular cover plate is provided with a sliding groove, a rotating ring is installed in the sliding groove, a fixing block is arranged on the inner side of the rotating ring, the rotating shaft is fixed in the bearing by the fixing block, and the rotating ring can slide in the sliding groove of the circular cover plate.

Furthermore, the fixed blocks are uniformly distributed in M numbers, wherein M is more than or equal to 8.

Further, the installation position of axis of rotation is north-south orientation, and the installation position of photovoltaic board mounting bracket is the east-west orientation.

The utility model discloses fully considered photovoltaic tracking support and need bear the examination of the complicated natural environment of decades, when guaranteeing stability, reliability, maintainability of system, improved the durability of control link and mechanical motion part, can counter the long-term uncertain damage of heavy load such as strong wind storm snow to the system, the wearing and tearing card of sand and dust to mechanical motion part dies, guarantees the survival and adaptability of system under different natural environment and climatic condition for a long time, improves system efficiency and reduces system cost; the utility model provides a but axis of rotation lateral shifting, regulation when the installation, can fully adapt to the error that moving part exists between installation basis and system, between equipment and the system, reduced the installation degree of difficulty, practiced thrift the cost, satisfy future photovoltaic power generation market to the harsh requirement such as security, high efficiency, durability, economic nature of system integration.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a left side schematic view of the embodiment of FIG. 1;

FIG. 3 is a schematic structural view of the photovoltaic panel mounting bracket of FIG. 1 with the driven wheel removed;

FIG. 4 is a schematic view of the driven wheel of the embodiment of FIG. 1;

FIG. 5 is a schematic view of a half-section structure of the bearing shaft in the embodiment shown in FIG. 1.

In the figure: 1-tower foundation, 2-rotating shaft, 3-transmission device, 31-driving wheel, 32-driven wheel, 33-speed reduction motor, 34-belt, 4-photovoltaic panel mounting rack, 41-photovoltaic panel mounting groove, 5-bearing shaft, 51-connecting seat, 52-sliding groove, 53-rotating ring, 54-fixing block, 55-rotating ring sleeve, 6-limiting device, 61-mechanical limiting device, 611-mechanical limiting column, 6111-first mechanical limiting column, 6112-second mechanical limiting column, 612-mechanical limiting plate, 6121-first mechanical limiting plate, 6122-second mechanical limiting plate, 62-electronic limiting device, 621-photoelectric induction travel switch, 6211-first photoelectric induction travel switch, 6212-second photoelectric induction travel switch, 6213-third photoelectric induction travel switch, 622-photoelectric switch induction point, 7-connecting piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1-4, this embodiment includes a tower foundation 1, a rotation shaft 2 is installed on the tower foundation 1, an end of the rotation shaft 2 is connected to a transmission device 3, a photovoltaic panel installation frame 4 is installed on a shaft body of the rotation shaft 2, the rotation shaft 2 is connected to the tower foundation 1 through a bearing 5, and the rotation shaft 2 can rotate relative to the tower foundation 1. The transmission device 3 is installed on the side surface of the tower foundation 1.

The transmission device 3 comprises a driving wheel 31, a driven wheel 32 and a speed reducing motor 33, wherein the shaft of the speed reducing motor 33 is connected with the driving wheel 31, the driving wheel 31 is connected with the driven wheel 32 through a belt 34, the wheel center of the driven wheel 32 penetrates through the rotating shaft 2 and is fixedly connected with the rotating shaft 2, the driving wheel 31 drives the driven wheel 32 to rotate, the driven wheel 32 drives the rotating shaft 2 to rotate, and the speed reducing motor 33 is installed on a tower leg of the tower foundation 1.

The side of the driven wheel 31 is provided with a limiting device 6, and the transmission range of the driven wheel 31 is limited by the limiting device 6.

The stop device 6 consists of a mechanical stop device 61 and an electronic stop device 62.

The mechanical limiting device 61 comprises a mechanical limiting column 611 arranged on the tower foundation 1 and a mechanical limiting plate 612 arranged on the driven wheel 31. The mechanical limiting column 611 includes a first mechanical limiting column 6111 and a second mechanical limiting column 6112 symmetrically arranged on the tower base 1. The mechanical limit plate 612 includes a first mechanical limit plate 6121 and a second mechanical limit plate 6122 which are symmetrically arranged, and an interval angle α between the first mechanical limit plate 6121 and the second mechanical limit plate 6122 is 120 °, wherein the first mechanical limit plate 6121 corresponds to the first mechanical limit post 6111, and the second mechanical limit plate 6122 corresponds to the second mechanical limit post 6112.

The first mechanical limit plate 6121 is located 30 degrees east west, and the second mechanical limit plate 6122 is located 30 degrees east west. The mechanical limiting plate 612 is made of metal and can sense the photoelectric sensing travel switch 621 at a short distance.

The electronic limit device 62 is composed of a photoelectric sensing travel switch 621 and a photoelectric switch sensing point 622, the photoelectric sensing travel switch 621 is three, and is a first photoelectric sensing travel switch 6211, a second photoelectric sensing travel switch 6212 and a third photoelectric sensing travel switch 6213, wherein the first photoelectric sensing travel switch 6211 and the second photoelectric sensing travel switch 6212 are symmetrically arranged at two ends of the upper part of the tower foundation 1, and the third photoelectric sensing travel switch 6213 is arranged above the top of the bearing 5. The photoelectric switch sensing point 622 is disposed on the driven wheel 31 and located on the center line of the included angle between the first mechanical limit plate 6121 and the second mechanical limit plate 6122. When the photoelectric switch sensing point 622 on the driven wheel 31 rotates to the east, the sensing point touches the first photoelectric sensing travel switch 6211, when the photoelectric switch sensing point 622 on the driven wheel 31 rotates to the west, the sensing point touches the first photoelectric sensing travel switch 6212, and when the photoelectric switch sensing point 622 on the driven wheel 31 rotates to the horizontal position (facing the sky), the sensing point touches the third photoelectric sensing travel switch 6213.

The photoelectric induction travel switch 621 is connected to the reduction motor 33, and can control the opening and closing of the reduction motor 33. The dual limiting protection can effectively prevent the equipment from exceeding the limit rotation and damaging the device under the action of the passive force generated by strong wind, and simultaneously, the automatic return function is realized.

In this embodiment, two ends of the rotating shaft are respectively provided with one tower foundation 1, and the tower foundations 1 can be additionally arranged in the middle of the rotating shaft 2 according to the size of the rotating shaft 2 and the weight of the photovoltaic panel.

The rotating shaft 2 is a square shaft, the shaft body of the rotating shaft is connected with the photovoltaic panel mounting rack 4 through the connecting pieces 7, the photovoltaic panel mounting rack 4 is provided with a photovoltaic panel mounting groove 41, the lowest edge of the photovoltaic panel mounting groove 41 is higher than the top of the bearing shaft 5, and the position interference of the bearing shaft 5 and the photovoltaic panel when the tower foundation is additionally arranged is avoided.

The main structure of the bearing 5 is a circular cover plate, the bottom of the main structure is provided with a connecting seat 51 connected with the tower foundation 1, the inner wall of the circular cover plate is provided with a sliding groove 52, a rotating ring 53 is installed in the sliding groove 52 through a rotating ring sleeve 55, the inner side of the rotating ring 53 is provided with 8 uniformly distributed fixed blocks 54, the fixed blocks 54 limit the rotating shaft 2 in the bearing 5, and the rotating ring 53 can slide in the circular cover plate sliding groove 52.

The installation position of axis of rotation 2 is north-south orientation, and photovoltaic board mounting bracket is the east-west orientation. The rotating shaft 2 can move axially during installation, and installation is convenient.

The working principle and the process are as follows:

after a light sensor on the control device senses sunlight, the speed reducing motor 33 is controlled to operate, the speed reducing motor 33 drives the driving wheel 31 to rotate, the driving wheel 31 drives the driven wheel 32 to rotate, the driven wheel 32 drives the rotating shaft 2 to rotate so as to drive the whole photovoltaic installation tower frame 4 to rotate and enable the photovoltaic panel to directly shine, when the sunlight comes out in the morning, the whole photovoltaic tower frame with the light sensing receiving signal inclines to the east, a second mechanical limit plate 6122 is arranged at the position 30 degrees east and west of the driven wheel, before the second mechanical limit plate 6122 is driven to touch the second mechanical limit post 6112 by the driving force generated by the speed reducing motor 33 and the driven force generated by strong wind, the second mechanical limit plate 6122 senses the second photoelectric sensing travel switch 6212 first, the power supply is cut off, the driving force transmitted by the speed reducing motor 33 disappears, then the second mechanical limit post 6112 is impacted by the second mechanical limit plate 6122 under the action of, at the moment, the power is blocked, the equipment is prevented from running beyond the limit, and the damage of strong wind to the transmission device of the equipment can be effectively prevented through the double limit protection;

the first mechanical limit plate 6122 is arranged at a position 30 degrees to the west of the driven wheel, when the equipment reaches the west along with the east-rising sunlight, before the first mechanical limit plate 6121 touches the first mechanical limit post 6111, the first mechanical limit plate 6122 senses the first photoelectric induction travel switch 6212 first, the power supply is cut off, the driving force of the speed reducing motor 33 disappears, then the first mechanical limit plate 6121 impacts the first mechanical limit post 6111 under the action of passive force inertia, the power is blocked at the moment, the equipment is prevented from running beyond the limit, and the double limit protection can effectively prevent the strong wind from damaging the transmission device of the equipment;

the whole photovoltaic plate on the photovoltaic tower faces upward and faces the sky to be horizontal when the sun is empty at noon. In the afternoon, the tower faces the west integrally in the west sun, and the tower and the photovoltaic panel face the sky integrally in the horizontal state at night or in rainy days, so that the solar photovoltaic panel automatically operates in cycles. The third photoelectric induction travel switch 6213 mainly performs signal induction and tower stop position control at night or in rainy days.

The transmission device 3 consisting of the driving wheel 31, the driven wheel 32, the speed reduction motor and the belt 34 is easy to replace after the belt 34 is worn under the long-term action of strong wind and ice and snow loads, so that the maintenance difficulty is reduced, and the reliability and the stability of the operation of the equipment are improved.

Various modifications and variations of the present invention may be made by those skilled in the art, and they are still within the scope of the present invention, provided they are within the scope of the claims and their equivalents.

What is not described in detail in the specification is prior art that is well known to those skilled in the art.

Claims

1. Photovoltaic power generation level single-axis tracking power transmission strong wind resistance and damping integrated device comprises a tower foundation and is characterized in that: the photovoltaic panel installation structure is characterized in that a rotating shaft is installed on the tower foundation, the end portion of the rotating shaft is connected with a transmission device, a photovoltaic panel installation frame is arranged on a shaft body of the rotating shaft, the rotating shaft is connected with the tower foundation through a bearing, the rotating shaft can rotate relative to the tower foundation, and the transmission device is installed on the side face of the tower foundation.

2. The photovoltaic power generation level single-axis tracking power transmission anti-strong wind damping integrated device according to claim 1, characterized in that: the transmission device comprises a driving wheel, a driven wheel and a speed reducing motor, wherein the shaft of the speed reducing motor is connected with the driving wheel, the driving wheel is connected with the driven wheel through a belt, the driven wheel is fixedly connected with a rotating shaft, the wheel center of the driven wheel penetrates through the rotating shaft, the driven wheel can drive the rotating shaft to rotate, and the speed reducing motor is arranged on a tower leg of the tower foundation.

3. The photovoltaic power generation level single-axis tracking power transmission anti-strong wind damping integrated device according to claim 2, characterized in that: n tower foundations are arranged, wherein N is more than or equal to 2.

4. The photovoltaic power generation level single-axis tracking power transmission anti-strong wind damping integrated device according to claim 2 or 3, characterized in that: and a limiting device is arranged on the side surface of the driven wheel and consists of a mechanical limiting device and an electronic limiting device.

5. The photovoltaic power generation level single-axis tracking power transmission anti-strong wind damping integrated device according to claim 4, characterized in that: the mechanical limiting device is made of metal materials and comprises a mechanical limiting column arranged on the tower frame foundation and a mechanical limiting plate arranged on the driven wheel, and the mechanical limiting column comprises a first mechanical limiting column and a second mechanical limiting column which are symmetrically arranged on the tower frame foundation; the mechanical limiting plates comprise a first mechanical limiting plate and a second mechanical limiting plate which are symmetrically arranged, wherein the first mechanical limiting plate corresponds to the first mechanical limiting column, and the second mechanical limiting plate corresponds to the second mechanical limiting column; the interval between the first mechanical limiting plate and the second mechanical limiting plate is 120 degrees.

6. The photovoltaic power generation level single-axis tracking power transmission anti-strong wind damping integrated device according to claim 5, characterized in that: the electronic limiting device consists of three photoelectric sensing travel switches and photoelectric switch sensing points, wherein the three photoelectric sensing travel switches are respectively a first photoelectric sensing travel switch, a second photoelectric sensing travel switch and a third photoelectric sensing travel switch, the first photoelectric sensing travel switch and the second photoelectric sensing travel switch are symmetrically arranged at two ends of the upper part of the tower foundation, and the third photoelectric sensing travel switch is arranged above the top of the bearing; the photoelectric switch induction point is arranged on the driven wheel and is positioned on the central line of an included angle between the first mechanical limiting plate and the second mechanical limiting plate.

7. The photovoltaic power generation level single-axis tracking power transmission anti-strong wind damping integrated device according to one of claims 1 to 3, characterized in that: the rotating shaft is a square shaft, the shaft body of the rotating shaft is connected with a photovoltaic panel mounting rack through a plurality of connecting pieces, and a photovoltaic panel mounting groove is formed in the photovoltaic panel mounting rack; the lowest edge of the photovoltaic panel mounting groove is higher than the top of the bearing shaft.

8. The photovoltaic power generation level single-axis tracking power transmission anti-strong wind damping integrated device according to claim 7, characterized in that: the main structure of the bearing is a circular cover plate, a connecting seat connected with the tower foundation is arranged at the bottom of the main structure, a sliding groove is formed in the inner wall of the circular cover plate, a rotating ring is installed in the sliding groove, a fixing block is arranged on the inner side of the rotating ring, the rotating shaft is fixed in the bearing by the fixing block, and the rotating ring can slide in the circular cover plate sliding groove.

9. The photovoltaic power generation level single-axis tracking power transmission anti-strong wind damping integrated device according to claim 8, characterized in that: the fixed blocks are uniformly distributed in M numbers, wherein M is more than or equal to 8.

10. The photovoltaic power generation level single-axis tracking power transmission anti-strong wind damping integrated device according to one of claims 1 to 3, characterized in that: the installation position of axis of rotation is north-south orientation, and the installation position of photovoltaic board mounting bracket is the east-west orientation.