CN211239777U

CN211239777U - Photovoltaic tracking support

Info

Publication number: CN211239777U
Application number: CN202020293176.1U
Authority: CN
Inventors: 卢晓聪; 钱鸿杰; 刘永良; 孙四春
Original assignee: Suzhou Jsolar Inc
Current assignee: Suzhou Jsolar Inc
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-08-11
Anticipated expiration: 2030-03-11

Abstract

The utility model relates to a photovoltaic tracking support, which comprises single-row supports, a connecting rod and a driving device, wherein each single-row support comprises a plurality of stand columns, a main shaft which is rotatably installed, and a swing arm which is installed on the main shaft and is connected with the connecting rod, the main shaft is rotatably installed on the stand columns through a bearing assembly, the bearing assembly comprises a stamping bearing seat, a plastic bearing which is in friction contact with a stamping surface on the stamping bearing seat, and a bearing limiting part which is installed on the main shaft; the swing arm is installed on the main shaft through an assembly component, and the assembly component comprises a punching bent swing arm upper connecting piece, a punching formed swing arm fixing piece and a fixing bolt. The connecting rods comprise a plurality of rod pieces connected in series, and adjacent connecting rods are connected in series through connecting structures or connecting pieces. The driving device comprises an electric push rod, a mounting assembly for mounting the electric push rod, and a push rod connecting piece for connecting the electric push rod and the connecting rod. The utility model discloses simple structure, machining efficiency are high, and the convenient high efficiency of whole processing installation, the quality and the reliability of product also obtain further improvement.

Description

Photovoltaic tracking support

Technical Field

The utility model belongs to the solar photovoltaic power generation field, concretely relates to support is trailed to photovoltaic.

Background

The existing solar tracking support has the advantages of being multiple in parts, complex in structure, high in process cost, complex in process, time-consuming and labor-consuming, large in product size error, incapable of adapting to market characteristics of cost reduction and fast delivery of photovoltaic power generation, and the process needs to be completed through processes such as welding during processing.

Disclosure of Invention

The utility model aims at providing an installation is convenient, can improve the quality, practice thrift the novel photovoltaic tracking support of cost.

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

a photovoltaic tracking support comprises a plurality of single-row supports, connecting rods used for connecting the single-row supports, and a driving device which is connected with the connecting rods and drives the single-row supports to perform tracking motion through the connecting rods, wherein each single-row support comprises a plurality of stand columns, a main shaft rotatably installed on each stand column, and a swing arm fixedly installed on the main shaft and connected with the connecting rods, the main shaft is rotatably installed on the stand columns through a bearing assembly, the bearing assembly comprises a stamping bearing seat, a plastic bearing which is in friction contact with a stamping surface on the stamping bearing seat to form a rotating pair, and a bearing limiting part installed on the main shaft, the stamping bearing seat is installed on the stand columns, and the main shaft is installed in the plastic bearing; the swing arm is installed through the assembly subassembly on the main shaft, the assembly subassembly includes connecting piece, stamping forming's swing arm mounting and a plurality of fixing bolt on the swing arm that the punching press was bent, the connecting piece set up in the swing arm one side of main shaft, the connecting piece is including bending connecting portion and the supporting part that sets up in the swing arm, connecting piece connecting portion on the swing arm with swing arm fixed connection, the supporting part of connecting piece on the swing arm with the main shaft is connected and is supported the main shaft, the swing arm mounting set up in the opposite side of main shaft and with the supporting part of connecting piece is corresponding in the swing arm, the swing arm mounting with the supporting part of connecting piece passes through in the swing arm fixing bolt is connected, the connecting rod.

Preferably, the swing arm fixing piece is stamped with a folded edge at the periphery for increasing the strength of the swing arm fixing piece.

Preferably, the swing arm fixing piece is punched with a groove to form a reinforcing rib for increasing the strength of the swing arm fixing piece.

Preferably, the groove punched on the swing arm fixing piece extends from one side edge to the other opposite side edge.

Preferably, the stamped groove on the swing arm fixing piece is located in the middle of the swing arm fixing piece, and the length direction of the groove is parallel to one side edge of the swing arm fixing piece.

Preferably, the connecting rods comprise a plurality of rod pieces connected in series, and adjacent connecting rods are connected in series through a connecting structure; the connecting structure comprises a connecting part formed by one end of the rod piece through pipe expanding or pipe contracting, and one end of the other rod piece is inserted into the connecting part or the connecting part is inserted into one end of the other rod piece.

Preferably, the connecting rods comprise a plurality of rod pieces connected in series, the adjacent connecting rods are connected in series through connecting pieces, and each connecting piece comprises a switching tube with two ends inserted into the two rod pieces respectively.

Preferably, drive arrangement is including promoting connecting rod along its axial displacement's electric putter, be used for the installation electric putter's installation component, be used for connecting electric putter with the push rod connecting piece of connecting rod, the push rod connecting piece cover is established on the connecting rod, electric putter with the push rod connecting piece rotates and is connected.

Preferably, the mounting assembly comprises a pair of supporting assemblies respectively arranged on two sides of the electric push rod, each supporting assembly comprises a driving stand column, a bridge frame horizontally and fixedly mounted on the driving stand column, and a push rod mounting seat bent by stamping, each push rod mounting seat comprises a bridge frame upper connecting portion and a push rod connecting portion, the bridge frame upper connecting portion and the push rod connecting portion are arranged in a bending mode, the bridge frame upper connecting portions are fixedly connected, and the electric push rod is connected with the push rod connecting portions.

Preferably, the driving upright is connected with the bridge through a bridge connecting piece bent by stamping, the bridge connecting piece comprises an upright connecting part and a bridge lower connecting part, the upright connecting part and the upright are arranged in a bending mode, the upright connecting part is fixedly connected with the upright, and the bridge lower connecting part is fixedly connected with the bridge.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses simple structure, part machining efficiency are high, and the convenient high efficiency of support overall processing installation, the quality and the reliability of product also obtain further improvement.

Drawings

Figure 1 is the utility model discloses a support is trailed to photovoltaic's whole schematic diagram.

Figure 2 is the utility model discloses a schematic diagram of a single-row support in photovoltaic tracking support.

Figure 3 is the utility model discloses a photovoltaic tracking support's single-row support center pillar, main shaft, the schematic diagram of swing arm.

Figure 4 is the utility model discloses a photovoltaic tracking support middle bearing unit's enlarged schematic diagram.

Figure 5 is the utility model discloses a photovoltaic tracking support middle bearing frame's schematic diagram.

Figure 6 is the utility model discloses a photovoltaic tracking support in swing arm, swing arm go up connecting piece, fixing bolt, swing arm under the enlarged schematic diagram of connecting piece.

Figure 7 is the utility model discloses a swing arm mounting's in photovoltaic tracking support schematic diagram.

Figure 8 is the utility model discloses a swing arm mounting's in photovoltaic tracking support schematic diagram.

Figure 9 is the utility model discloses a swing arm mounting's in photovoltaic tracking support schematic diagram.

Fig. 10 is a schematic view of a connection structure of a connecting rod in a photovoltaic tracking support according to the present invention.

Figure 11 is the utility model discloses a connecting piece's in photovoltaic tracking support schematic diagram of connecting rod.

Fig. 12 is a partial schematic view of a driving device in a photovoltaic tracking support according to the present invention.

In the above drawings: 1. a single row of racks; 2. a connecting rod; 3. a drive device; 4. a column; 5. a main shaft; 6. swinging arms; 7. a purlin; 8. a bearing seat; 9. a plastic bearing; 10. a bearing limit piece; 11. a connecting piece is arranged on the swing arm; 12. a swing arm fixing piece; 13. fixing the bolt; 14. a swing arm lower connecting piece; 15. a rod member; 16. a transfer tube; 17. an electric push rod; 18. a push rod connector; 19. driving the upright post; 20. a bridge frame; 21. a push rod mounting seat; 22. the crane span structure connecting piece.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

The first embodiment is as follows: as shown in fig. 1 and 2, the photovoltaic tracking support comprises a plurality of single-row supports 1, connecting rods 2 and a driving device 3. A plurality of single-row supports 1 are arranged in parallel, a connecting rod 2 is used for connecting each single-row support 1, and a driving device 3 is connected with the connecting rod 2 and drives each single-row support 1 to perform tracking motion through the connecting rod 2.

As shown in fig. 2 to 6, each single-row bracket 1 includes a plurality of upright posts 4 vertically arranged on the mounting surface and arranged in a row, a main shaft 5 rotatably mounted on each upright post 4, and a swing arm 6 fixedly mounted on the main shaft 5 and connected with the connecting rod 2 below the main shaft 5. A plurality of purlins 7 used for mounting photovoltaic panels are vertically and fixedly arranged on the main shaft 5. The main shaft 5, the connecting rod 2 and the purline 7 adopt conventional standard section steel.

The main shaft 5 is rotatably mounted on each of the columns 4 by means of a bearing assembly provided in one-to-one correspondence with each of the columns 4. The upright post 4 adopts a direct-insert type H-shaped steel or C-shaped steel. The bearing assembly comprises a stamped bearing seat 8, a plastic bearing 9 and a bearing stop 10. The stamping bearing seat 8 is arranged on the upright post 4, the lower part of the stamping bearing seat 8 can be inserted into the upright post 4 and fixed by bolts, and the upper part of the stamping bearing seat 8 is stamped to form an annular stamping surface. The plastic bearing 9 is mounted on the stamping bearing seat 8 and is in friction contact with the stamping surface on the stamping bearing seat 8 to form a rotating pair, and the main shaft 5 is mounted in the plastic bearing 9. A bearing stop 10 is mounted on the main shaft 5 and is located on one side of the punch bearing block 8. The bearing limiting part 10 comprises two hot-rolled or cold-bent angle steels which are respectively positioned above and below the main shaft 5, and is fixed on the main shaft 5 in an up-and-down surrounding manner, one side of the bearing limiting part is tightly pressed on the main shaft 5, and the other side of the bearing limiting part is abutted against the stamping bearing seat 8 to limit the bearing. For the stamped bearing seat 8, if the strength needs to be increased, an outward flange may be further provided at the upper half thereof.

The swing arm 6 is a square tube, the upper end part of the swing arm is installed on the main shaft 5 through an assembly component, and the connecting rod 2 is rotatably connected with the lower end part of the swing arm 6. The assembly component comprises a stamping and bending swing arm upper connecting piece 11, a stamping and forming swing arm fixing piece 12 and a plurality of fixing bolts 13. The upper swing arm connecting pieces 11 are arranged in a pair and are respectively positioned at two sides of the swing arm 6, and the upper swing arm connecting pieces 11 are arranged at one side of the main shaft 5 as follows. The upper connecting piece 11 of the swing arm comprises a connecting part and a supporting part which are arranged in a bending mode, the connecting part 11 of the upper connecting piece of the swing arm is fixedly connected with the swing arm 6 through a bolt, and the supporting part of the upper connecting piece 11 of the swing arm is connected with the main shaft 5 through a bolt and supports the main shaft 5. The swing arm fixing member 12 is disposed at the other side of the main shaft 5, such as above, and the swing arm fixing member 12 corresponds to the supporting portion of the swing arm upper connecting member 11, so that the swing arm fixing member 12 is connected to the supporting portion of the swing arm upper connecting member 11 through the fixing bolt 13. The lower end part of the swing arm 6 is connected with a swing arm lower connecting piece 14 through a bolt, a rotating shaft is arranged on the swing arm lower connecting piece 14, and the connecting rod 2 is rotatably connected with the swing arm 6 through the rotating shaft on the swing arm lower connecting piece 14.

In the above embodiment, the swing arm fixing member 12 is substantially plate-shaped. The strength can be increased by adding folding edges, punching reinforcing ribs and the like. In some embodiments, the swing arm fixing member 12 is stamped with a flange at its periphery for increasing its strength, as shown in fig. 7, and has two upwardly directed flanges stamped on opposite sides thereof. In some embodiments, the swing arm fixing member 12 is stamped with a groove to form a rib for increasing the strength thereof, and the groove stamped in the swing arm fixing member 12 extends from one side edge to the opposite side edge, as shown in fig. 8. In some embodiments, the swing arm fixing member 12 is stamped with a groove to form a rib for increasing the strength thereof, the groove stamped on the swing arm fixing member 12 is located at the middle part thereof, and the length direction is parallel to one side edge thereof, as shown in fig. 9, two parallel grooves are stamped at the middle part of the swing arm fixing member 12.

The connecting rods 2 in the existing photovoltaic support are basically in the form of square tubes and welded plates. In this embodiment, connecting rod 2 adopts the pipe, and the whole and local stability of pipe is superior to square pipe, and for connecting rod 2 that mainly bears normal tension, the pipe is more reliable.

The connecting rod 2 comprises several rod pieces 15 connected in series. In some embodiments, adjacent connecting rods 2 are connected in series by a connecting structure. As shown in fig. 10, the connection structure includes a connection portion formed by expanding or contracting one end of one rod member 15, and one end of another rod member 15 is inserted into the connection portion or the connection portion is inserted into one end of another rod member 15, so as to connect the rod members 15 in series, and bolt fixing can be added on the basis. Alternatively, a rod 15 may be expanded or contracted integrally, or a section of rod 15 with a large diameter and a section of rod 15 with a small diameter may be used to connect the rods 15 by a connection method of a large sleeve and a small sleeve. In some embodiments, the connecting rod 2 includes a plurality of rod members 15 connected in series, adjacent connecting rods 2 are connected in series through a connecting member, the connecting member includes an adapter tube 16 having two ends respectively inserted into the two rod members 15, and the adapter tube 16 and the two rod members 15 may also be connected by bolts, as shown in fig. 11.

As shown in fig. 12, the driving device 3 includes an electric push rod 17, a mounting assembly, and a push rod connector 18. The electric push rod 17 is connected with the connecting rod 2 through a push rod connecting piece 18, so that the electric push rod 17 can push the connecting rod 2 to move along the axial direction of the connecting rod. The push rod connecting piece 18 is sleeved on the connecting rod 2, and the electric push rod 17 is rotatably connected with the push rod connecting piece 18. The mounting assembly is used for realizing the mounting of the electric push rod 17. The mounting assembly comprises a pair of supporting assemblies respectively and symmetrically arranged at two sides of the electric push rod 17, and each group of supporting assemblies comprises a driving upright post 19, a bridge frame 20 and a push rod mounting seat 21. The driving upright posts 19 are provided at least two and vertically installed on the ground. The bridge 20 is horizontally arranged and fixedly mounted on the driving upright 19. Drive column 19 is connected to bridge 20 by stamped and bent bridge connection 22. The bridge connecting piece 22 comprises a column 4 connecting part and a bridge 20 lower connecting part which are arranged in a bending mode, the column 4 connecting part is fixedly connected with the column 4, and the bridge 20 lower connecting part is fixedly connected with the bridge 20. The push rod mounting seat 21 is a stamping bending piece and comprises a connecting part and a push rod connecting part which are oppositely bent on the bridge frame 20, the connecting part on the bridge frame 20 is fixedly connected with the bridge frame 20, and the electric push rod 17 is connected with the push rod connecting part. The connection between the bridge connecting piece 22 and the upright 4 and the bridge 20 and the connection between the push rod mounting seat 21 and the bridge 20 can be bolts, and the electric push rod 17 and the push rod connecting part can be connected through a rotating shaft. The driving device 3 is composed of stamping parts, has no welding parts, and is simple in structure and convenient to mount.

Above-mentioned scheme is a photovoltaic tracking support of no weldment, and welding process is not needed in its production, and is more convenient, high-efficient, can obviously reduce cost. In addition, the multiple bending pieces have the advantages of good consistency and attractiveness, and better product quality is guaranteed.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A photovoltaic tracking support comprises a plurality of single-row supports, connecting rods used for connecting the single-row supports, and a driving device which is connected with the connecting rods and drives the single-row supports to perform tracking motion through the connecting rods, wherein each single-row support comprises a plurality of stand columns, a main shaft rotatably mounted on each stand column, and a swing arm fixedly mounted on the main shaft and connected with the connecting rods, and is characterized in that: the main shaft is rotatably installed on the stand column through a bearing assembly, the bearing assembly comprises a stamping bearing seat, a plastic bearing which is in friction contact with a stamping surface on the stamping bearing seat to form a rotating pair, and a bearing limiting part installed on the main shaft, the stamping bearing seat is installed on the stand column, and the main shaft is installed in the plastic bearing; the swing arm is installed through the assembly subassembly on the main shaft, the assembly subassembly includes connecting piece, stamping forming's swing arm mounting and a plurality of fixing bolt on the swing arm that the punching press was bent, the connecting piece set up in the swing arm one side of main shaft, the connecting piece is including bending connecting portion and the supporting part that sets up in the swing arm, connecting piece connecting portion on the swing arm with swing arm fixed connection, the supporting part of connecting piece on the swing arm with the main shaft is connected and is supported the main shaft, the swing arm mounting set up in the opposite side of main shaft and with the supporting part of connecting piece is corresponding in the swing arm, the swing arm mounting with the supporting part of connecting piece passes through in the swing arm fixing bolt is connected, the connecting rod.

2. The photovoltaic tracking rack of claim 1, wherein: and the periphery of the swing arm fixing piece is stamped with a folded edge for increasing the strength of the swing arm fixing piece.

3. The photovoltaic tracking rack of claim 1, wherein: the swing arm fixing piece is punched with a groove to form a reinforcing rib for increasing the strength of the swing arm fixing piece.

4. The photovoltaic tracking rack of claim 3, wherein: the groove punched on the swing arm fixing piece extends from one side edge to the other opposite side edge.

5. The photovoltaic tracking rack of claim 3, wherein: the groove punched on the swing arm fixing piece is located in the middle of the swing arm fixing piece, and the length direction of the groove is parallel to one side edge of the swing arm fixing piece.

6. The photovoltaic tracking rack of claim 1, wherein: the connecting rods comprise a plurality of rod pieces connected in series, and adjacent connecting rods are connected in series through a connecting structure; the connecting structure comprises a connecting part formed by one end of the rod piece through pipe expanding or pipe contracting, and one end of the other rod piece is inserted into the connecting part or the connecting part is inserted into one end of the other rod piece.

7. The photovoltaic tracking rack of claim 1, wherein: the connecting rods comprise a plurality of rod pieces which are connected in series, the adjacent connecting rods are connected in series through connecting pieces, and each connecting piece comprises switching tubes of which two ends are respectively inserted into the two rod pieces.

8. The photovoltaic tracking rack of claim 1, wherein: the driving device comprises an electric push rod for pushing the connecting rod to move axially, an installation component for installing the electric push rod, and a push rod connecting piece for connecting the electric push rod with the connecting rod, wherein the push rod connecting piece is sleeved on the connecting rod, and the electric push rod is rotatably connected with the push rod connecting piece.

9. The photovoltaic tracking rack of claim 8, wherein: the installation component comprises a pair of supporting components which are arranged on two sides of the electric push rod respectively, each supporting component comprises a driving stand column, a bridge frame and a push rod installation seat, the supporting components are fixedly installed on the driving stand columns, the push rod installation seat is bent through stamping, the push rod installation seat comprises a bridge frame upper connecting portion and a push rod connecting portion, the bridge frame upper connecting portion is fixedly connected with the bridge frame, and the electric push rod is connected with the push rod connecting portion.

10. The photovoltaic tracking rack of claim 9, wherein: the driving stand column is connected with the bridge through a bridge connecting piece bent through stamping, the bridge connecting piece comprises a stand column connecting portion and a bridge lower connecting portion, the stand column connecting portion and the stand column are fixedly connected, and the bridge lower connecting portion and the bridge are fixedly connected.