CN221042747U - Swing arm and photovoltaic tracking frame of photovoltaic tracking frame - Google Patents

Abstract

The utility model belongs to the technical field of photovoltaics, and discloses a swing arm of a photovoltaic tracking frame and the photovoltaic tracking frame. The swing arm of the photovoltaic tracking frame comprises a swing arm part and a connecting piece, wherein the swing arm part comprises a swing arm main body and a flanging part, the swing arm main body and the flanging part are integrally formed, a reinforcing bulge is arranged on the swing arm main body, the flanging part and the swing arm main body are arranged at an included angle, and the flanging part is formed by bending part of the edge of the swing arm main body; the connecting piece is connected with one end of the swing arm through welding. Above-mentioned swing arm and photovoltaic tracking frame of photovoltaic tracking frame is through setting up swing arm spare integrated into one piece, and turn-ups portion is bent by the partial edge of swing arm main part and is formed, simultaneously, sets up the enhancement main part in the swing arm main part for the structural strength of whole swing arm spare has the promotion by a wide margin, makes the connecting piece direct with the one end welding of swing arm spare can, need not to set up in addition the reinforcing rib board, has reduced the use quantity of part, has reduced the welding area of swing arm.

Description

Swing arm and photovoltaic tracking frame of photovoltaic tracking frame

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to a swing arm of a photovoltaic tracking frame and the photovoltaic tracking frame.

Background

With the development of the photovoltaic industry, more and more photovoltaic bracket product manufacturers are developing towards solar tracking brackets, and the solar tracking brackets are widely applied to power stations. After the swing arm of the photovoltaic support is welded with the connecting piece through a steel pipe, the strength of the steel pipe is poor, a plurality of reinforcing rib plates are welded around the steel pipe, and the strength of the swing arm is guaranteed to be enough.

The parts to be welded in the mode are more, and the quick production of the swing arm is not facilitated.

Therefore, there is a need to design a swing arm of a photovoltaic tracking frame and a photovoltaic tracking frame to solve the above problems.

Disclosure of utility model

The utility model aims to provide a swing arm of a photovoltaic tracking frame, which can improve the structural strength of the swing arm, reduce the number of parts used and further reduce the number of parts welded.

The utility model further aims to provide a photovoltaic tracking frame, which has the advantages of less parts, faster processing and higher structural reliability.

To achieve the purpose, the utility model adopts the following technical scheme:

Swing arm of photovoltaic tracking frame includes:

The swing arm piece comprises a main body and a flanging part, the main body and the flanging part are integrally formed, the main body is provided with a reinforcing protrusion, the flanging part and the main body are arranged at an included angle, and the flanging part is formed by bending part of the edge of the main body;

the connecting piece is connected with one end of the swing arm piece through welding.

As an alternative, the reinforcing protrusion includes:

One end of the thick part is connected with the connecting piece through welding;

And a thin portion connected to the other end of the thick portion, wherein the thickness of the thick portion is greater than the thickness of the thin portion.

As an alternative, the flange portion may have a U shape, and the connecting member may be connected to one end of the main body and both ends of the flange portion by welding.

As an alternative, the connecting piece includes a main body portion and a reinforcing portion disposed at an included angle, the main body portion is welded to one end of the main body, one side of a corner portion of each of the flange portion ends is welded to the main body portion, and the other side is welded to the reinforcing portion.

As an alternative, the shape of the swing arm is calculated via topology.

As an alternative, the end of the main body facing away from the connecting member is inclined downward.

A photovoltaic tracking rack comprising:

A column;

The main shaft is pivoted to the top end of the upright post;

The two swing arms of the photovoltaic tracking frame are arranged at intervals along the extending direction of the main shaft and are respectively positioned at two sides of the upright post;

One end of the push rod is positioned below the main shaft and pivoted with the upright post, and two sides of the other end of the push rod are pivoted with the swing arms of the two photovoltaic tracking frames respectively.

As an alternative scheme, a connection end of the swing arm of the photovoltaic tracking frame and the main shaft is defined as a first end, the other end is defined as a second end, and a distance between the two first ends is larger than a distance between the two second ends.

As an optional solution, the photovoltaic tracking frame further includes a swing arm connection assembly, where the swing arm connection assembly includes:

The abutting fixing piece and the connecting piece are respectively positioned at two sides of the main shaft in the first direction;

At least two bolts, each of which is respectively penetrated through the abutting fixing piece and the connecting piece so as to respectively abut against the main shaft, at least one of the bolts is positioned on one side of the main shaft in the second direction, the rest of the bolts are positioned on the other side of the main shaft in the second direction, and the first direction and the second direction form an included angle.

As an alternative, the cross section of the abutting fixing member is U-shaped.

The utility model has the beneficial effects that:

The utility model provides a swing arm of a photovoltaic tracking frame, which is characterized in that a swing arm part is integrally formed, a flanging part is formed by bending part of the edge of a swing arm main body, and meanwhile, a reinforcing protrusion is arranged on the swing arm main body, so that the structural strength of the whole swing arm part is greatly improved, a connecting piece is directly welded with one end of the swing arm part, a reinforcing rib plate is not required to be additionally arranged, the number of parts is reduced, and the welding area of the swing arm is reduced.

The utility model also provides a photovoltaic tracking frame, and by adopting the swing arm of the photovoltaic tracking frame, the use number of parts is small, the processing is faster, and the structural reliability is higher.

Drawings

Fig. 1 is a schematic structural view of a swing arm of a photovoltaic tracking rack provided by an embodiment of the present utility model;

Fig. 2 is a schematic structural diagram of a photovoltaic tracking rack according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an abutting fixture according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a portion of a photovoltaic tracking rack provided by other embodiments;

Fig. 5 is a schematic structural diagram II of a photovoltaic tracking rack according to an embodiment of the present utility model;

fig. 6 is a schematic diagram of a photovoltaic tracking rack with a gradient state according to an embodiment of the present utility model.

In the figure:

100. Swing arms;

10. A swing arm member; 11. a main body; 111. a third via; 12. a burring part; 121. a corner; 13. reinforcing the protrusion; 131. a thick portion; 132. a thin portion;

20. A connecting piece; 21. a main body portion; 211. a first via; 22. a reinforcing part; 30. a first end; 40. a second end;

200. A column; 300. a main shaft; 400. a push rod; 500. a pin shaft;

600. A swing arm connecting assembly; 610. abutting against the fixing piece; 611. a second via; 620. a bolt; 700. a bearing seat;

800. a pivoting member; 810. a cross bar; 820. and the pin joint arm.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a swing arm 100 of photovoltaic tracking frame, can improve the structural strength of swing arm 100, reduces the use quantity of part, reduces the welding area. As shown in fig. 1, a swing arm 100 of the photovoltaic tracking frame comprises a swing arm member 10 and a connecting member 20, wherein the swing arm member 10 comprises a main body 11 and a flanging part 12, which are integrally formed, a reinforcing protrusion 13 is arranged on the main body 11, the flanging part 12 and the main body 11 are arranged at an included angle, and the flanging part 12 is formed by bending part of the edge of the main body 11; the connecting member 20 is connected to one end of the swing arm 100 by welding. Above-mentioned swing arm 100 of photovoltaic tracking frame is through setting up swing arm spare 10 integrated into one piece, and turn-ups portion 12 is formed by the partial edge bending of main part 11, simultaneously, sets up the reinforcing bulge 13 on main part 11 for whole swing arm spare 10's structural strength has promoted by a wide margin, makes connecting piece 20 direct with swing arm spare 10's one end welding can, need not to set up the reinforcing rib plate in addition, has reduced the use quantity of part, has reduced swing arm 100's welding area.

Preferably, as shown in fig. 1, the reinforcing protrusion 13 includes a thick portion 131 and a thin portion 132, and one end of the thick portion 131 is connected to the connection member 20 by welding; the thin portion 132 is connected to the other end of the thick portion 131, and the thickness of one end of the thick portion 131 is greater than the thickness of the thin portion 132. Through the above arrangement, since the depth of the protrusion of the thick portion 131 is deeper, the welding position is more when the thick portion is welded to the connecting member 20, the welding area of the swing arm member 10 and the connecting member 20 is properly increased, and the connection strength of the connecting member 20 and the swing arm member 10 is further improved.

Preferably, as shown in fig. 1, the burring 12 is U-shaped (open toward the connector 20), and the connector 20 is simultaneously connected to one end of the main body 11 and both ends of the burring 12 by welding. Through the arrangement, the flanging part 12 is also connected with the connecting piece 20, so that the connection strength of the swing arm piece 10 and the connecting piece 20 is further improved.

Preferably, as shown in fig. 1, the connecting member 20 includes a main body 21 and a reinforcing portion 22 disposed at an angle (in this embodiment, the angle may be adaptively adjusted according to the shape of the corner portion 121 in other embodiments), the main body 21 is connected to one end of the main body 11 by welding, one side of the corner portion 121 at the end of each flange portion 12 is connected to the main body 21 by welding, and the other side is connected to the reinforcing portion 22 by welding. Through the arrangement, the two edges of the corner 121 of the flanging part 12 are connected with the connecting piece 20, and the connection strength of the swing arm piece 10 and the connecting piece 20 is improved.

Further, the convex surface of the starting end of the thick portion 131 is connected with the reinforcing portion 22, and the connection strength of the swing arm member 10 and the connecting member 20 is further increased. The thick portion 131 and the thin portion 132 may be a slope transition in the present embodiment, and in other embodiments, a smooth curved transition may be used, which is not limited herein.

That is, in order to secure sufficient connection strength between the connector 20 and the swing arm member 10, the present embodiment connects both ends of the burring 12 to the main body 21 in addition to connecting one end of the main body 11 to the main body 21, and further provides the reinforcing portion 22 to connect the corner 121 of the burring 12 and the thick portion 131, so that the connection strength between the connector 20 and the swing arm member 10 is secured without providing other reinforcing ribs or the like.

The flanging portion 12 may be formed by compression molding using a die, or by flanging. And are not limited thereto.

Preferably, the swing arm 100 profile is calculated via topology. On the premise of ensuring the structural strength, the material is saved as much as possible, and the cost is further saved.

Specifically, the end of the main body 11 facing away from the connection member 20 is disposed obliquely downward. That is, as shown in fig. 1, the body 11 forms a connection site at its free end for connection with other parts, so that connection with other parts can be facilitated, and a material behind the connection site is omitted.

The embodiment also provides a photovoltaic tracking frame, through adopting the swing arm 100 of the photovoltaic tracking frame, the use number of parts is small, the processing is faster, and the structural reliability is higher. As shown in fig. 2, the photovoltaic tracking frame includes a column 200, a main shaft 300, two swing arms 100 of the photovoltaic tracking frame, and a push rod 400, wherein the main shaft 300 is pivoted to the top end of the column 200; the swing arms 100 of the two photovoltaic tracking frames are arranged at intervals along the extending direction of the main shaft 300 and are respectively positioned at two sides of the upright post 200; one end of the push rod 400 is positioned below the main shaft 300 and pivoted with the upright post 200, and two sides of the other end are pivoted with the swing arms 100 of the two photovoltaic tracking frames respectively. Through the arrangement, the photovoltaic tracking frame has the advantages of small number of parts, quick processing and higher structural reliability. When the photovoltaic module is subjected to external force (change of external environment such as wind and rain) and trace change occurs, the push rod 400 can stretch along with the photovoltaic module, the rocker arm rotates, the main shaft 300 is driven to rotate at the top end of the upright post 200, and dynamic balance of the photovoltaic module is ensured.

As shown in fig. 2, the main shaft 300 is in a square tube structure and is pivotally connected to the top end of the upright post 200 through a bearing seat 700, and the structure of the bearing seat 700 is common in the prior art and will not be described herein.

Optionally, as shown in fig. 2, the photovoltaic tracking frame further includes a swing arm connection assembly 600, where the swing arm connection assembly 600 includes an abutment fixing member 610 and at least two bolts 620, and the abutment fixing member 610 and the connection member 20 are respectively located at two sides of the main shaft 300 in the first direction (X direction in fig. 2); each bolt 620 is respectively inserted into the abutting fixing member 610 and the connecting member 20 so that the two are respectively abutted against the main shaft 300, at least one bolt 620 is located on one side of the main shaft 300 in the second direction (Y direction in fig. 2, in this embodiment, the X direction is perpendicular to the Y direction, in other embodiments, the included angle can be flexibly set according to the shape of the main shaft 300), and the other bolts 620 are located on the other side of the main shaft 300 in the second direction. Through the above arrangement, the swing arm 100 is firmly connected with the main shaft 300, and the swing arm 100 can be conveniently detached.

In this embodiment, the bolts 620 are provided in two and are provided so as to be away from the thick portion 131, and in other embodiments, the bolts 620 may be provided in three, four or more, which is not limited herein.

Preferably, as shown in fig. 3, the abutment fixture 610 is U-shaped in cross section. On the one hand, the self strength of the abutting fixing member 610 can be improved, and on the other hand, alignment is also facilitated when the bolts 620 are mounted.

Further, as shown in fig. 1 to 3, the main body 21 is provided with a first via hole 211, the abutting fixing member 610 is provided with a second via hole 611, and the bolt 620 sequentially passes through the first via hole 211 and the second via hole 611 to lock the connecting member 20 and the abutting fixing member 610.

In this embodiment, as shown in fig. 1 and 2, the main body 11 (more specifically, the above-mentioned connection position) is provided with a third via hole 111, two third via holes 111 are penetrated by a pin 500, one end of the push rod 400 is connected to the pin 500, and it can be understood that the end of the push rod 400 is pivotally connected to the two swing arm members 10 through the pin 500.

In other embodiments, as shown in fig. 4, the push rod 400 and the two swing arms 100 may be pivoted by the pivot piece 800, where the pivot piece 800 includes a cross bar 810 and two pivot arms 820, the two pivot arms 820 are disposed at intervals and form an included angle with the cross bar 810, two ends of the cross bar 810 are respectively fixedly connected with the two swing arms 100, one end of the push rod 400 extends between the two pivot arms 820, and the pin 500 penetrates through the two swing arms 100 and the end of the push rod 400 to pivot.

Fig. 5 shows the positional relationship of each part of the photovoltaic tracking frame in an ideal state, but in actual use, as shown in fig. 6, the installation ground of the upright post 200 has a certain inclination, after two adjacent upright posts 200 are connected, the main shaft 300 is inclined (the inclination angle is generally consistent with that of a slope), at this time, in order to adapt to the gradient, one swing arm 100 with a high altitude needs to be installed close to the bearing seat 700 (cannot be installed centrally as in fig. 5), the connection end of the swing arm 100 and the main shaft 300 of the photovoltaic tracking frame is defined as a first end 30, the other end is a second end 40, the gradient adaptation range of the photovoltaic tracking frame is smaller due to the smaller distance between the two first ends 30, and the use scene of the photovoltaic tracking frame is limited.

In order to solve the above-mentioned problem, in the present embodiment, as shown in fig. 5, the distance between the two first ends 30 is larger than the distance between the two second ends 40. It can be appreciated that the second ends 40 of the two swing arms 100 are close to each other toward the middle, so that the two first ends 30 are ensured to have a sufficient distance, the photovoltaic tracking frame is ensured to have a good gradient adaptability, the distance between the two second ends 40 is ensured to be smaller, and the manufacturing length of the pivoting piece 800 or the pin shaft 500 is further reduced.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Swing arm of photovoltaic tracking frame, its characterized in that includes:

the swing arm part (10) comprises a main body (11) and a flanging part (12), the main body (11) and the flanging part are integrally formed, a reinforcing protrusion (13) is arranged on the main body (11), the flanging part (12) and the main body (11) are arranged at an included angle, and the flanging part (12) is formed by bending part of the edge of the main body (11);

The connecting piece (20) is connected with one end of the swing arm piece (10) through welding.

2. Swing arm of a photovoltaic tracking rack according to claim 1, characterized in that said stiffening protuberance (13) comprises:

a thick part (131), one end of which is connected with the connecting piece (20) by welding;

And a thin portion (132) connected to the other end of the thick portion (131), wherein the thickness of one end of the thick portion (131) is greater than the thickness of the thin portion (132).

3. Swing arm of a photovoltaic tracking rack according to claim 1, characterized in that the flanging part (12) is U-shaped, and the connecting piece (20) is connected with one end of the main body (11) and two ends of the flanging part (12) simultaneously by welding.

4. A swing arm of a photovoltaic tracking rack according to claim 3, characterized in that the connecting piece (20) comprises a main body part (21) and a reinforcing part (22) which are arranged in an included angle, the main body part (21) is connected with one end of the main body (11) by welding, one side of a corner part (121) of the end part of each flanging part (12) is connected with the main body part (21) by welding, and the other side is connected with the reinforcing part (22) by welding.

5. Swing arm of a photovoltaic tracking rack according to any of claims 1-4, characterized in that the profile of the swing arm member (10) is calculated via topology.

6. Swing arm of a photovoltaic tracking rack according to any of claims 1-4, characterized in that the end of the main body (11) facing away from the connection (20) is arranged inclined downwards.

7. Photovoltaic tracking frame, its characterized in that includes:

A column (200);

A main shaft (300) pivotally connected to the top end of the upright post (200);

Two swing arms of the photovoltaic tracking frame according to any one of claims 1 to 6, wherein the swing arms of the two photovoltaic tracking frames are arranged at intervals along the extending direction of the main shaft (300) and are respectively positioned at two sides of the upright post (200);

And one end of the push rod (400) is positioned below the main shaft (300) and pivoted with the upright post (200), and two sides of the other end of the push rod are pivoted with the swing arms of the two photovoltaic tracking frames respectively.

8. The photovoltaic tracking frame according to claim 7, characterized in that the connection end of the swing arm of the photovoltaic tracking frame with the main shaft (300) is defined as a first end (30) and the other end as a second end (40), the distance between two first ends (30) being greater than the distance between two second ends (40).

9. The photovoltaic tracking rack of claim 7, further comprising a swing arm connection assembly (600), the swing arm connection assembly (600) comprising:

The abutting fixing pieces (610) and the connecting pieces (20) are respectively positioned at two sides of the main shaft (300) in the first direction;

At least two bolts (620), every bolt (620) respectively wear to establish butt mounting (610) and connecting piece (20) so that both support tightly in main shaft (300) respectively, at least one bolt (620) are located main shaft (300) are in one side of second direction, and remaining bolt (620) are located main shaft (300) are in the opposite side of second direction, first direction with the second direction is the contained angle setting.

10. The photovoltaic tracking rack according to claim 9, characterized in that the abutment fixture (610) is U-shaped in cross section.