CN217849325U

CN217849325U - Photovoltaic support with adjustable lead screw transmission angle

Info

Publication number: CN217849325U
Application number: CN202221373296.8U
Authority: CN
Inventors: 徐水升; 周会晶; 王新筠; 周孝水; 郑道涛
Original assignee: Tonking New Energy Technology Jiangshan Co ltd
Current assignee: Tonking New Energy Technology Jiangshan Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-18
Anticipated expiration: 2032-06-02

Abstract

The utility model provides an adjustable photovoltaic support of lead screw transmission angle, includes the stand and installs the photovoltaic main shaft on stand top, its characterized in that still including being used for driving the circular arc lead screw that photovoltaic main shaft deflected, and be used for driving circular arc lead screw transmission's gear box, the gear box is installed on the stand. According to the utility model discloses an adjustable photovoltaic support of lead screw transmission angle adopts the deflection angle of the transmission mode regulation photovoltaic main shaft of circular arc lead screw cooperation gear box, can adjust photovoltaic module's orientation in a flexible way and have self-locking function. The whole support structure is simple and easy, the operation is convenient, and when the linkage operation of the photovoltaic supports with the adjustable transmission angles of the plurality of groups of screw rods is realized through the linkage connecting rods, a safe and reliable photovoltaic support array with the adjustable angles can be formed.

Description

Photovoltaic support with adjustable lead screw transmission angle

Technical Field

The utility model relates to a solar photovoltaic support especially relates to an adjustable photovoltaic support of lead screw transmission angle.

Background

When the solar photovoltaic panel, especially a large-area solar photovoltaic panel array or a photovoltaic system, is installed on the ground or on a water surface, the orientation of the photovoltaic module needs to be adjusted in time so as to enable sunlight to directly irradiate to a light receiving plane of the photovoltaic panel, and the photovoltaic power generation capacity is improved. The existing photovoltaic support, for example, chinese patent application No. 201410781914.6 shown in fig. 8, discloses a photovoltaic power generation oblique single-axis tracking support, in which an electric push rod 10 is used to drive an azimuth push rod 6 to drive a photovoltaic module 8 to turn. However, similar to the push rod type angle-adjusting photovoltaic support, the life of the push rod therein is short, so that the reliability of the safe operation of the whole photovoltaic support is slightly poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's above-mentioned defect, provide an adjustable photovoltaic support of lead screw transmission angle.

According to the utility model discloses an adjustable photovoltaic support of lead screw transmission angle, include the stand and install the photovoltaic main shaft on stand top, its characterized in that still includes and is used for driving the circular arc lead screw that the photovoltaic main shaft deflected, and be used for the drive circular arc lead screw transmission's gear box, the gear box is installed on the stand.

A pair of worm wheel and worm are arranged in the gear box, and a trapezoidal thread is formed in the center of the worm wheel in an opening mode.

The rod body of the arc lead screw penetrates into the opening of the worm wheel, and trapezoidal threads are manufactured on at least part of the surface of the arc lead screw and are meshed with the trapezoidal threads of the opening of the worm wheel.

And a gap of about 0.5mm is arranged at the meshing position of the opening of the worm wheel and the arc screw rod.

At least one end of the worm is provided with a rocking handle.

The worm is driven to rotate by a motor.

The arc lead screw is connected with the photovoltaic main shaft through a main shaft deflection rod.

And a steel support is arranged between the arc screw rod and the main shaft deflection rod.

One part of the circular arc lead screw is a polished rod without trapezoidal threads.

And two ends of the arc screw rod are provided with stoppers.

According to the utility model discloses an adjustable photovoltaic support of lead screw transmission angle adopts the deflection angle of the transmission mode regulation photovoltaic main shaft of circular arc lead screw cooperation gear box, can adjust photovoltaic module's orientation in a flexible way and have self-locking function. The whole support structure is simple and easy, the operation is convenient, and when the photovoltaic supports with the adjustable lead screw transmission angles are operated in a linkage mode through the linkage connecting rod, a safe and reliable photovoltaic support array with the adjustable lead screw transmission angles can be formed.

Drawings

Fig. 1 is a schematic diagram illustrating a photovoltaic support with an adjustable lead screw transmission angle according to the present invention.

Fig. 2 is a schematic view showing the photovoltaic module mounted on the photovoltaic support shown in fig. 1.

Fig. 3 is a schematic diagram illustrating connection between a circular arc lead screw and a gear box in the lead screw transmission angle-adjustable photovoltaic bracket shown in fig. 1.

Fig. 4 and 5 are enlarged schematic views illustrating a junction of the arc screw and the gear case shown in fig. 3.

Fig. 6 is a schematic diagram illustrating connection among a vertical column, a photovoltaic spindle and a spindle deflection rod in the photovoltaic support with the adjustable lead screw transmission angle shown in fig. 1.

Fig. 7 is a schematic diagram illustrating a linkage mechanism of a lead screw drive angularly adjustable photovoltaic mount according to the present invention.

Fig. 8 is a schematic view showing a photovoltaic power generation oblique single-axis tracking bracket of the prior art.

Detailed Description

The lead screw drive angularly adjustable photovoltaic bracket of the present invention will be described in detail with reference to the accompanying drawings and embodiments, and those skilled in the art will understand that the embodiments shown in the drawings are merely schematic and are used to help understand the basic concept of the present invention.

Fig. 1 is a schematic view showing a photovoltaic support with an adjustable screw driving angle according to the present invention, and fig. 2 is a schematic view showing a photovoltaic module mounted on the photovoltaic support shown in fig. 1. Referring to fig. 1 and fig. 2 in combination, according to an embodiment of the present invention, a lead screw transmission angle-adjustable photovoltaic support (hereinafter referred to as angle-adjustable photovoltaic support) includes a column 11 and a photovoltaic spindle 12 installed on top of the column 11. The column 11 is provided, for example, near the lower part, with a mounting 13, on which, for example, a gearbox 14 is mounted. Between the gear box 14 and the photovoltaic main shaft 12, for example, an arc lead screw 15 is disposed, which can be driven by the gear box 14 to deflect the photovoltaic main shaft 12, and thus to steer the photovoltaic module 18 mounted thereon.

Fig. 3 is a schematic view illustrating the connection between the arc lead screw and the gear box in the angle-adjustable photovoltaic bracket shown in fig. 1, and fig. 4 and 5 are enlarged schematic views illustrating the connection between the arc lead screw and the gear box shown in fig. 3. Referring to fig. 1 to 5 in combination, the gear box 14 is mounted on the column 11 through the mounting base 13, and the up-down position of the mounting base 13 on the column 11 can be adjusted through a through hole (not shown) provided in advance on the column, for example. The gear box is internally lubricated by grease, a pair of worm wheels 141 and a worm 142 are arranged in the gear box and meshed with each other, the center of each worm wheel 141 is provided with a hole, the surface of each worm wheel 141 is provided with trapezoidal threads for example, the rod body of the arc screw rod 15 penetrates through the center hole of the worm wheel 141, the surface of each arc screw rod is also provided with trapezoidal threads for example and meshed with the trapezoidal threads of the center hole of the worm wheel 141, and preferably, a gap of about 0.5mm is reserved at the meshing position of the two, so that the two can be matched, and the arc screw rod can be ensured to be freely transmitted. At least one end of the worm 142 is provided with a rocking handle 16, for example, and the worm wheel 141 and the arc screw 15 can be driven by rotating the rocking handle. Alternatively, the worm 142 may be rotated by a motor, for example.

The arc lead screw 15 is connected with the photovoltaic main shaft 12 through a main shaft deflection rod 17, for example, and in order to reduce the manufacturing cost, the length of the arc lead screw 15 can be designed according to the direction and the angle required by the actual deflection of the photovoltaic main shaft. For example, a segment of arc screw rod 15 with trapezoidal thread on its surface is used on one side of the photovoltaic main shaft 12 in the actual deflection direction, and a straight steel support 15' is used on the other segment to connect between the arc screw rod 15 and the main shaft deflection rod 17. As an alternative, the whole circular arc screw rod can be divided into two parts, wherein one part is provided with trapezoidal threads, and the other part is a polished rod. The arc screw 15 is provided with stoppers 151 at both ends thereof, for example, to prevent it from being rotated excessively to come off the worm wheel.

Fig. 6 is a schematic diagram illustrating connection among a vertical column, a photovoltaic main shaft and a main shaft deflection rod in the angle-adjustable photovoltaic support shown in fig. 1. Referring to fig. 1 and 6 in combination, according to the utility model discloses an angularly adjustable photovoltaic support, photovoltaic main shaft 12 is installed on the top of stand 11 through polymer bearing 61 and bearing frame 62 for example. The main shaft deflection rod 17 is fixed on two sides of the photovoltaic main shaft 12 through the anchor ear 63, for example, when the arc lead screw 15 is driven by the gear box 14 to transmit, the main shaft deflection rod 17 can be driven to drive the photovoltaic main shaft to deflect, so that the photovoltaic module mounted on the main shaft can face the sun, and the angle adjustment is realized.

Fig. 7 is a schematic diagram illustrating a linkage mechanism of the lead screw drive angularly adjustable photovoltaic mount according to the present invention. Referring to fig. 1 and 7 in combination, for example, two sets of parallel photovoltaic supports with adjustable angles may connect the worms 142 on their respective gear boxes 14 together through the linkage connecting rod 71, for example, the rotation of the rocking handle 16 on one set of support may drive the worm 142 on the other set of support to rotate simultaneously, so as to realize linkage of the arc lead screws 15 of each set, and further drive the photovoltaic main shafts 12 of each set to deflect simultaneously, and have a self-locking function. It will be appreciated by those skilled in the art that the rocking handle 16 may be replaced by a drive motor to form an automatically ganged array of adjustable photovoltaic mounts.

The above embodiments are merely examples of the adjustable angle photovoltaic support of the present invention, and according to the above concept of the present invention, those skilled in the art can make various changes and transformations, but these changes and transformations all belong to the scope of the present invention.

Claims

1. The utility model provides an adjustable photovoltaic support of lead screw transmission angle, includes the stand and installs the photovoltaic main shaft on stand top, its characterized in that still includes and is used for driving the circular arc lead screw that photovoltaic main shaft deflected, and be used for driving circular arc lead screw transmission's gear box, the gear box is installed on the stand.

2. The lead screw drive angularly adjustable photovoltaic mount of claim 1, wherein a pair of worm wheel and worm are disposed within the gear box, the worm wheel having a central opening and being formed with trapezoidal threads.

3. The lead screw drive angle adjustable photovoltaic bracket of claim 2, wherein the shaft of the arc lead screw penetrates into the opening of the worm wheel, and at least part of the surface of the arc lead screw is provided with trapezoidal threads and meshed with the trapezoidal threads of the opening of the worm wheel.

4. The lead screw drive angularly adjustable photovoltaic mount of claim 3, wherein the engagement of the aperture of the worm gear with the arc lead screw is provided with a clearance of about 0.5 mm.

5. The lead screw drive angularly adjustable photovoltaic mount of claim 2, wherein at least one end of the worm is provided with a rocking handle.

6. The lead screw drive angularly adjustable photovoltaic mount of claim 2, wherein the worm is rotated by a motor.

7. The lead screw drive angularly adjustable photovoltaic mount of claim 1, wherein said arc lead screw is connected to said photovoltaic spindle by a spindle deflection lever.

8. The lead screw drive angularly adjustable photovoltaic mount of claim 7, wherein a steel support is disposed between the arc lead screw and the spindle deflection bar.

9. The lead screw drive angularly adjustable photovoltaic mount of claim 7, wherein a portion of the radiused lead screw is a polished rod without trapezoidal threads.

10. The lead screw drive angularly adjustable photovoltaic mount of claim 1, wherein both ends of the arc lead screw are provided with a stopper.