CN210469182U

CN210469182U - Photovoltaic tracker transmission bearing structure

Info

Publication number: CN210469182U
Application number: CN201921273926.2U
Authority: CN
Inventors: 尹伟强; 杨新科; 陈佳雨; 张茂佳
Original assignee: Versolsolar Hangzhou Co ltd
Current assignee: Versolsolar Hangzhou Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-05
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a photovoltaic tracker transmission bearing structure, including aligning seat, aligning cover shell, connecting piece and dead lever, be equipped with the extrados on the aligning seat, the extrados is partly of ectosphere, is equipped with the intrados face with extrados adaptation on the aligning cover shell, and aligning cover shell cover is established on the aligning seat, and the connecting piece is connected with the aligning cover shell, and the connecting piece is articulated with the dead lever. The utility model provides a photovoltaic tracker transmission bearing structure has and can carry out the automation to the heart, reduces the installation requirement of photovoltaic tracker, increases advantages such as drive mechanism life-span.

Description

Photovoltaic tracker transmission bearing structure

Technical Field

The utility model belongs to the technical field of the photovoltaic power generation technique and specifically relates to a photovoltaic tracker transmission bearing structure is related to.

Background

As photovoltaic tracking projects are more and more, under severe market competition, a large array is made to reduce the cost, which is one of the market trends; as the matrix is made large, the expression "linkage between north and south" is proposed. In the process of installing the field north-south linkage transmission shaft, due to the eccentric problem of the transmission shaft and the plastic bearing, the plastic bearing is damaged in a very fast time, and the whole linkage square matrix stops running, so that great loss is caused. In the construction site of the photovoltaic tracker, in the processes of pipe pile pre-burying and welding of the stand column and the pipe pile, the parallelism of the stand column, the coaxiality of the pipe pile and the coaxiality of a north-south transmission shaft are difficult to meet the operation requirement, so that the eccentricity problem of the transmission shaft and a plastic bearing is caused. Therefore, it is desirable to invent a photovoltaic tracker transmission support structure that is self-adjusting for eccentricity, simple in structure and low in manufacturing cost.

Chinese patent application publication No. CN205792415U, published as 2016, 12, month, and 07, entitled "north-south direction adjustment structure of solar photovoltaic power generation apparatus", discloses a north-south direction adjustment structure of a solar photovoltaic power generation apparatus, which includes a plurality of power generation units connected in sequence from front to back; each of the power generation units includes: a photovoltaic module for converting light energy into electrical energy; the supporting device is used for supporting the photovoltaic module, and the power generation units are connected through the supporting device; the photovoltaic modules can be arranged on the supporting device in a way of rotating in the north-south direction, and the photovoltaic module of each power generation unit is connected with a driving mechanism for driving the photovoltaic module to synchronously rotate; the driving mechanism comprises a power drive, a movable rod and a transmission device which is connected with the photovoltaic modules in a one-to-one corresponding mode; the transmission device is a connecting rod mechanism with one end connected with the free rotating end of the photovoltaic module and the other end connected with the movable rod, the movable rod is connected with the power drive, and the movable rod is driven by the power drive, so that the photovoltaic module is driven to rotate synchronously. But this patent still can not solve the influence of installation error to equipment fixing efficiency and later life.

Disclosure of Invention

The utility model discloses an when overcoming actual installation among the prior art, the transmission shaft is difficult to guarantee with the direct installation accuracy of bearing, appears the not enough of eccentric problem easily, provides a photovoltaic tracker transmission bearing structure, has and to carry out automatic heart, reduces the installation requirement of photovoltaic tracker, increases advantages such as drive mechanism life-span.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a photovoltaic tracker transmission bearing structure, includes aligning seat, aligning cover shell, connecting piece and dead lever, is equipped with the extrados on the aligning seat, and the extrados is partly of ectosphere, is equipped with the intrados with extrados adaptation on the aligning cover shell, and aligning cover shell is established on the aligning seat, and the connecting piece is connected with the aligning cover shell, and the connecting piece is articulated with the dead lever.

Among the above-mentioned technical scheme, be equipped with certain clearance between extrados and the intrados, guarantee that the aligning cover shell can rotate relative to the aligning seat. The fixed rod is fixed with the supporting rod of the photovoltaic tracker. The transmission shaft of photovoltaic tracker can rotate with the bracing piece through the aligning seat and be connected, and when needs adjustment photovoltaic tracker angle, the motor drives the transmission shaft and rotates, and the transmission shaft drives the runner assembly rotation on the photovoltaic panel, realizes angle modulation. The transmission shaft drives the aligning seat to rotate when rotating, and the aligning seat plays supporting role to the transmission shaft, because the aligning seat can carry out certain distance aligning relatively the aligning cover shell, and the connecting piece can rotate relative the dead lever, consequently, even when the installation, has certain installation error, also can be through the cooperation of aligning seat and aligning cover shell, the connecting piece is adjusted with the articulated of dead lever, guarantees transmission structure's smooth installation, has reduced the requirement to installation accuracy.

Preferably, the aligning housing comprises two semicircular half housings, and the two half housings are fixed through bolts. The structure is convenient for the manufacturing and the installation of aligning cover shell, and reduce cost guarantees transmission precision simultaneously.

Preferably, the connecting piece comprises an upper connecting piece and a lower connecting piece, the upper connecting piece is hinged with the fixing rod, and the lower connecting piece is fixed with the aligning casing; the rotating shafts of the upper connecting piece and the lower connecting piece are perpendicular to the rotating shafts of the upper connecting piece and the fixing rod. The structure can make the relative lower connecting piece of upper connecting piece rotate, increases transmission bearing structure's degree of freedom, makes transmission bearing structure can adjust on 6 degrees of freedom, has further reduced the installation requirement.

Preferably, the side edge of the outer arc surface is provided with a limiting stopper, and a rotating gap is formed between the limiting stopper and the aligning sleeve shell. The structure can avoid the aligning cover shell to drop, restriction accommodation.

Preferably, a polygonal through hole is formed in the center of the aligning seat. The polygonal through hole is matched with a transmission shaft of the photovoltaic tracker, so that the installation and transmission of the center seat and the transmission shaft can be facilitated.

Preferably, the center of the aligning seat is provided with an oval through hole. The oval through hole is matched with a transmission shaft of the photovoltaic tracker, so that the installation and transmission of the center seat and the transmission shaft can be facilitated. The transmission shaft can be fully contacted with the through hole when the oval through hole is used, and the surface stress of the contact surface is reduced.

Preferably, a plurality of storage counter bores are arranged on the outer arc surface. Store the counter bore and can add solid-state lubricating oil, at the rotation in-process, guarantee the degree of lubrication between aligning seat and the aligning cover shell, simultaneously, because photovoltaic power generation equipment often arranges in the arid area that rains less, the sand and dust is more, when sand and dust gets into between aligning seat and the aligning cover shell, can be brought into and store the counter bore, avoids aligning seat and aligning cover shell because the excessive wearing and tearing that sand and dust got into the contact surface and leads to. The storage counter bore may also be disposed on the inner curved surface.

The utility model has the advantages that: (1) the transmission supporting structure can perform automatic centering, and the installation requirement of the photovoltaic tracker is reduced; (2) the transmission supporting structure can be finely adjusted in 6 degrees of freedom, and the application range is wide; (3) the abrasion between the aligning seat and the aligning housing can be reduced.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of the center adjusting seat and the center adjusting sleeve housing of the present invention;

fig. 4 is a cross-sectional view of the center adjusting seat and the center adjusting sleeve housing of the present invention;

fig. 5 is a schematic structural view of the aligning base in embodiment 2.

In the figure: the centering seat 1, the extrados 1.1, the spacing stopper 1.2, the centering sleeve shell 2, the intrados 2.1, the half sleeve shell 2.2, the connecting piece 3, the upper connecting piece 3.1, the lower connecting piece 3.2, the dead lever 4, the polygon through hole 5, the oval through hole 6, the storage counter bore 7, the transmission shaft 8, the bracing piece 9.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1:

as shown in fig. 1 and 2, a photovoltaic tracker transmission support structure comprises a centering seat 1, a centering sleeve housing 2, a connecting piece 3 and a fixing rod 4, wherein an outer arc surface 1.1 is arranged on the centering seat 1 as shown in fig. 3 and 4, the outer arc surface 1.1 is a part of an outer spherical surface, a limiting stopper 1.2 is arranged on the side edge of the outer arc surface 1.1, and a polygonal through hole 5 is arranged in the center of the centering seat 1; the aligning casing 2 is provided with an inner arc surface 2.1 matched with the outer arc surface 1.1, the core casing comprises two semicircular half casing bodies 2.2, and the two half casing bodies 2.2 are fixed through bolts; the aligning sleeve shell 2 is sleeved on the aligning seat 1, and a rotating gap is arranged between the limiting stopper 1.2 and the aligning sleeve shell 2; the connecting piece 3 comprises an upper connecting piece 3.1 and a lower connecting piece 3.2, the upper connecting piece 3.1 is hinged with the fixing rod 4, and the lower connecting piece 3.2 is fixed with the aligning sleeve shell 2; the rotating shafts of the upper connecting piece 3.1 and the lower connecting piece 3.2 are vertical to the rotating shafts of the upper connecting piece 3.1 and the fixing rod 4.

Among the above-mentioned technical scheme, be equipped with certain clearance between extrados 1.1 and the intrados 2.1, guarantee that aligning housing 2 can rotate relative adjustment seat 1. The fixing rod 4 is fixed with a supporting rod 9 of the photovoltaic tracker. The transmission shaft 8 of photovoltaic tracker can rotate with bracing piece 9 through aligning seat 1 and be connected, and when the photovoltaic tracker angle was adjusted to needs, the motor drove transmission shaft 8 and rotates, and transmission shaft 8 drives the runner assembly rotation on the photovoltaic panel, realizes angle modulation. Transmission shaft 8 is when rotating, drive aligning seat 1 and rotate, aligning seat 1 plays supporting role to transmission shaft 8, because aligning seat 1 can carry out certain distance aligning by aligning cover shell 2 relatively, connecting piece 3 can rotate by dead lever 4 relatively, consequently, even when the installation, there is certain installation error, also can be through aligning seat 1 and aligning cover shell 2's cooperation, connecting piece 3 is adjusted with dead lever 4's articulated, guarantee the smooth installation of transmission structure, the requirement to installation accuracy has been reduced.

Example (b):

as shown in fig. 5, the present example is mostly the same as embodiment 1, except that: the center of the aligning seat 1 is provided with an oval through hole 6; the outer cambered surface 1.1 is provided with a plurality of storage counter bores 7.

The elliptical through hole 6 is matched with the transmission shaft 8 of the photovoltaic tracker, so that the installation and transmission of the aligning seat 1 and the transmission shaft 8 can be facilitated. The elliptical through hole 6 can also ensure that the transmission shaft 8 is fully contacted with the through hole, thereby reducing the surface stress of the contact surface. Store counter bore 7 and can add solid-state lubricating oil, at the rotation in-process, guarantee the lubrication degree between aligning seat 1 and the aligning cover shell 2, simultaneously, because photovoltaic power generation equipment often arranges in the arid area that rains less, the sand and dust is more, when sand and dust gets into between aligning seat 1 and the aligning cover shell 2, can be brought into and store counter bore 7, avoids aligning seat 1 and aligning cover shell 2 because the excessive wearing and tearing that sand and dust got into the contact surface and leads to. The reservoir counterbore 7 can also be arranged on the intrados surface 2.1.

The utility model has the advantages that: the transmission supporting structure can perform automatic centering, and the installation requirement of the photovoltaic tracker is reduced; the transmission supporting structure can be finely adjusted in 6 degrees of freedom, and the application range is wide; the wear between the aligning seat 1 and the aligning housing 2 can be reduced.

Claims

1. The utility model provides a photovoltaic tracker transmission bearing structure, characterized by, includes aligning seat, aligning cover shell, connecting piece and dead lever, is equipped with the extrados on the aligning seat, and the extrados is a part of ectosphere, is equipped with the intrados with extrados adaptation on the aligning cover shell, and aligning cover shell is established on the aligning seat, and the connecting piece is connected with the aligning cover shell, and the connecting piece is articulated with the dead lever.

2. The transmission support structure of claim 1, wherein the aligning housing comprises two semi-circular housing halves, and the two housing halves are fixed by bolts.

3. The transmission support structure of the photovoltaic tracker according to claim 1, wherein the connecting member comprises an upper connecting member and a lower connecting member, the upper connecting member is hinged to the fixing rod, and the lower connecting member is fixed to the aligning sleeve; the rotating shafts of the upper connecting piece and the lower connecting piece are perpendicular to the rotating shafts of the upper connecting piece and the fixing rod.

4. The transmission supporting structure of a photovoltaic tracker according to claim 1, 2 or 3, wherein the outer arc surface is provided at a side edge thereof with a limiting stopper, and a rotation gap is provided between the limiting stopper and the aligning sleeve.

5. The transmission support structure of a photovoltaic tracker according to claim 1, 2 or 3, wherein the center of the center-adjusting seat is provided with a polygonal through hole.

6. The transmission support structure of a photovoltaic tracker according to claim 1, 2 or 3, wherein the center of the center-adjusting seat is provided with an elliptical through hole.

7. The transmission support structure of a photovoltaic tracker according to claim 1, 2 or 3, wherein the extrados surface is provided with a plurality of storage counter bores.