CN210053375U

CN210053375U - Single-row flat single-axis tracking support suitable for sloping field

Info

Publication number: CN210053375U
Application number: CN201920708587.XU
Authority: CN
Inventors: 宁鹏; 彭程; 刘永良; 姚娟; 黄惠龙; 金宇钦
Original assignee: SUZHOU JUSHENG SOLAR Co Ltd
Current assignee: SUZHOU JUSHENG SOLAR Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-02-11
Anticipated expiration: 2029-05-16

Abstract

The utility model relates to a single-row flat single-shaft tracking support suitable for sloping fields, which comprises a main shaft, a plurality of single-row vertical columns arranged in the north-south direction, a plurality of groups of purlin assemblies, a driver for driving the main shaft to rotate, a damper and a north-south adjusting assembly, wherein the north-south adjusting assembly comprises a spherical bearing seat arranged at the upper end part of the vertical column and a spherical bearing in spherical contact with the spherical bearing seat; or the north-south adjusting component comprises a connecting plate arranged on the upright post and a connecting seat connected with the main shaft; the spherical bearing seat is connected with the upright post through a mounting plate, and corresponding bulges and grooves are formed on the mounting plate and the upright post; the purline assembly comprises a purline provided with a plurality of mounting holes; the bottom of the damper is arranged on the upright post through an angle adjusting mounting seat; the angle adjustment mount pad includes the fixing base, the ear seat that is connected with the attenuator, and the fixing base rotates with the ear seat mutually to be connected. The utility model provides a current photovoltaic tracking support various problems that exist, better prospect has.

Description

Single-row flat single-axis tracking support suitable for sloping field

Technical Field

The utility model belongs to the solar photovoltaic power generation field, concretely relates to flat single-row single-axis tracking support suitable for hillside fields.

Background

At present, the solar flat single-axis tracking support faces several main technical problems in the practical application process, which are mainly shown in the following steps: firstly, the method is difficult to adapt to sloping field landforms, and the angle adjustment in the north-south direction is complicated; secondly, the bearing seat of the double-plate vertical structure with larger bearing capacity is easy to slide laterally; thirdly, the fit clearance between the purline diagonal bracing and the purline is not beneficial to the overall rigidity of the purline; fourthly, the design difficulty of the installation seats of the linear motion mechanisms such as the damper, the push rod and the like is large. Therefore, it is necessary to design a solar flat single-axis tracking support capable of solving the above problems.

Disclosure of Invention

The utility model aims at providing a can solve the flat single-row single-axis tracking support that is applicable to sloping field of prior art existing problem.

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

a single-row flat single-shaft tracking support suitable for sloping fields comprises a rotatable main shaft, a plurality of single-row upright posts arranged in the north-south direction and used for supporting the main shaft, a plurality of groups of purlin assemblies arranged on the main shaft and used for mounting photovoltaic assemblies, a driver driving the main shaft to rotate, and a damper used for damping, and further comprises a north-south adjusting assembly which is connected with the upper end parts of the upright posts and the main shaft and can realize angle adjustment in the north-south direction, wherein the upright posts provided with the driver are connected with the main shaft by adopting the north-south adjusting assembly of the scheme II, and the other upright posts are connected with the main shaft by adopting the north-south adjusting assembly of the scheme I;

the first scheme is as follows: the north-south adjusting assembly comprises a spherical bearing seat arranged at the upper end part of the upright post and a spherical bearing which is sleeved on the main shaft and is in spherical contact with the spherical bearing seat;

the second scheme is as follows: the north-south adjusting assembly comprises a connecting plate arranged on the upright post and a connecting seat connected with the main shaft, a plurality of arc-shaped holes are formed in the connecting plate/the connecting seat, the central lines of the arc-shaped holes are positioned on the same circumference in a vertical plane extending in the north-south direction, sliding pins which are arranged in the arc-shaped holes in a one-to-one correspondence mode and can slide in the arc-shaped holes are arranged on the connecting seat/the connecting plate, and the driver is respectively connected with the connecting seat and the main shaft;

in the first scheme, the spherical bearing seat is connected with the upright column through a mounting plate, corresponding bulges and grooves are formed on the mounting plate and the upright column, and the bulges are embedded into the grooves;

the purlin assembly comprises a purlin, a lower connecting piece, an inclined strut and mounting bolts, wherein the lower connecting piece is arranged below the main shaft and provided with a fixing hole to be connected with the purlin, the inclined strut is connected with the lower connecting piece and the purlin, two ends of the inclined strut are respectively provided with a connecting hole, the mounting bolts are used for connecting the inclined strut with the lower connecting piece/the purlin, a plurality of mounting holes are formed in the purlin, the mounting holes are distributed along the length direction of the purlin, and the mounting bolts used for connecting the inclined strut with the purlin are mounted in the connecting hole at the upper end of the purlin and any one of the mounting holes;

the bottom of the damper is mounted on the upright post through an angle adjusting mounting seat capable of realizing angle adjustment, and the top of the damper is connected with the main shaft through a connecting assembly; the angle adjustment mounting base include with stand looks fixed connection's fixing base, with the ear seat that the bottom of attenuator is connected, the fixing base with the ear seat rotates mutually and is connected.

Preferably, in the first embodiment, the north-south adjusting assembly further includes a pair of limiting baffles which are sleeved on the main shaft and located at two sides of the spherical bearing.

Preferably, in the second aspect, the connecting seat includes a longitudinal plate provided with the sliding hole/the sliding pin, and a transverse plate connected to the longitudinal plate, and the main shaft is connected to the transverse plate.

Preferably, the protrusion and the groove are both in a strip shape along the length direction of the upright post, and the cross section of the protrusion and the cross section of the groove are both in a round rectangle shape.

Preferably, the mounting panel with a plurality of bolt hole has been seted up to the correspondence on the stand, the mounting panel with the stand through with bolt hole matched with bolt looks fixed connection, the bolt hole is length direction and follows the bar hole that the length direction of stand set up, the bolt hole set up in protruding with in the recess and protruding with the side of recess.

Preferably, the mounting holes include a standard mounting hole, a pre-pressed mounting hole and a pre-pressed mounting hole, a distance between a center of the standard mounting hole and a center of the fixing hole is equal to a distance between centers of the connecting holes at both ends of the inclined strut, a distance between a center of the pre-pressed mounting hole and a center of the fixing hole is smaller than a distance between centers of the connecting holes at both ends of the inclined strut, and a distance between a center of the pre-pressed mounting hole and a center of the fixing hole is smaller than a distance between centers of the connecting holes at both ends of the inclined strut.

Preferably, the pre-tensioned mounting holes and the pre-tensioned mounting holes are uniformly distributed on two sides of the standard mounting holes, and the centers of the mounting holes are collinear.

Preferably, the fixed seat is provided with a rotation hole, and the ear seat comprises a rotation shaft which is arranged in the rotation hole and can rotate in the rotation hole.

Preferably, the fixed seat comprises a fixed bottom plate and a cylindrical body arranged on the fixed bottom plate, and the rotating hole is formed in the cylindrical body; the ear seat further comprises an adjusting plate connected with the rotating shaft, and the damper is connected with the adjusting plate.

Preferably, the connecting assembly includes an upper connecting plate connected with the main shaft through a connecting ring, and the top of the damper is connected with the upper connecting plate.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model provides a current photovoltaic tracking support exist be difficult to adapt to sloping field topography, south north direction angle modulation loaded down with trivial details, the installation reliability is lower, purlin subassembly global rigidity is relatively poor, the big problem of the linear motion mechanism mount pad design degree of difficulty such as attenuator, push rod has better prospect.

Drawings

Figure 1 is the utility model discloses a whole sketch map of the flat single-file single-axis tracking support of single file suitable for sloping ground.

Fig. 2 is the utility model discloses a adopt the local sketch map of north and south adjusting part of scheme one in the flat single-axis tracking support of single-row suitable for sloping ground.

Figure 3 is the utility model discloses a adopt the local sketch map of north and south adjusting part of scheme two in the flat single-axis tracking support of single-row suitable for sloping ground.

FIG. 4 is an enlarged view of part A.

Fig. 5 is an exploded view of the spherical bearing seat, the upright post, and the mounting plate.

Fig. 6 is a schematic top view of the column and mounting plate.

Figure 7 is the utility model discloses a purlin and bracing's side view schematic diagram in the flat single-file single-axis tracking support suitable for sloping ground.

FIG. 8 is an enlarged view of the portion B.

Fig. 9 is a partial schematic view of the damper in the single-row flat single-axis tracking bracket for sloping fields according to the present invention.

FIG. 10 is an enlarged view of the portion C.

Fig. 11 is an exploded view of the angle adjustment mount.

Fig. 12 is a front view of the angle adjustment mount.

FIG. 13 is an enlarged view of the section D.

In the above drawings: 1. a main shaft; 2. a column; 3. a spherical bearing seat; 4. a spherical bearing; 5. a limit baffle; 6. a driver; 7. a connecting plate; 8. a connecting seat; 9. an arc-shaped hole; 10. a slide pin; 11. mounting a plate; 13. a protrusion; 14. a groove; 15. bolt holes; 16. a photovoltaic module; 17. a purlin; 18. a lower connecting piece; 19. bracing; 20. installing a bolt; 21. fastening a bolt; 22. a standard mounting hole; 23. prepressing the mounting hole; 24. pre-tensioning the mounting hole; 25. a damper; 26. a fixed seat; 27. an ear mount; 28. a lower connecting plate; 29. rotating the hole; 30. fixing the bottom plate; 31. a columnar body; 32. a rib plate; 33. a rotating shaft; 34. adjusting the bottom plate; 35. an ear plate; 36. locking the nut; 37. angle scales; 38. an observation hole; 39. a connecting ring; 40. and an upper connecting plate.

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, the single-row horizontal single-axis tracking support suitable for sloping fields comprises a rotatable main shaft 1, a plurality of single-row vertical columns 2 arranged in the north-south direction and used for supporting the main shaft 1, a plurality of groups of purlin assemblies arranged on the main shaft 1 and used for mounting photovoltaic assemblies, a driver 6 for driving the main shaft 1 to rotate, and a damper 25 for damping. In the present embodiment, five columns 2 are provided in total.

The single-row flat single-axis tracking support suitable for the sloping field further comprises a north-south adjusting assembly which is respectively connected with the upper end parts of the stand columns 2 and the main shaft 1 and can realize angle adjustment in the north-south direction. For the columns 2 that do not need to be equipped with the driver 6, such as the individual columns 2 other than the middle column 2 in fig. 1, the first solution is adopted. As shown in fig. 2, the first scheme is: the north-south adjusting component comprises a spherical bearing seat 3 arranged at the upper end part of the upright post 2 and a spherical bearing 4 which is sleeved on the main shaft 1 and is in spherical contact with the spherical bearing seat 3, so that the main shaft 1 penetrates through the spherical bearing 4 to form a rotating pair with the spherical bearing seat 3, and rotation adjustment in the north-south direction is realized. In the scheme, the spherical bearing seat 3 is installed on the column 2 with a matched special-shaped cross section through an installation plate 11 with a special-shaped cross section connected with the column 2, namely the installation plate 11 and the column 2 are formed by bending plates, so that corresponding purlins 17-shaped protrusions 13 and grooves 14 are formed on the installation plate 11 and the column 2, the protrusions 13 are embedded into the grooves 14, and the installation plate 11 and the column 2 are connected through a plurality of bolts. In the first scheme, the north-south adjusting assembly further comprises a pair of limiting baffle plates 5, and the pair of limiting baffle plates 5 are sleeved on the main shaft 1 and located on two sides of the spherical bearing 4, so that the position of the spherical bearing 4 on the main shaft 1 can be limited. The limit baffle 5 comprises an anchor ear with an opening and anchor ear bolts connected with two ends of the anchor ear.

For the vertical column 2 on which the driver 6 (such as a speed reducer) is mounted, as for the vertical column 2 located in the middle in fig. 1, the second scheme is adopted. As shown in fig. 3 and fig. 4, the second scheme is: the north-south adjusting component comprises a connecting plate 7 vertically arranged on the upright post 2 and a connecting seat 8 connected with the main shaft 1. Connecting plate 7 and connecting seat 8 realize rotating the connection through a plurality of arc hole 9 and a plurality of sliding pin 10, have seted up a plurality of arc hole 9 on connecting plate 7/connecting seat 8 promptly, and the central line of arc hole 9 is located the same circumference in the vertical plane of north-south extension, is provided with on the connecting seat 8/connecting plate 7 one-to-one and sets up in each arc hole 9 and can be in gliding sliding pin 10 in arc hole 9. In this embodiment, four arc holes 9 are uniformly formed on the connecting plate 7/connecting seat 8, and four sliding pins 10 are uniformly disposed on the connecting seat 8/connecting plate 7.

In this embodiment, the connecting seat 8 is provided with a driver 6 for driving the main shaft 1 to rotate, and the driver 6 is a speed reducer driving device coaxially connected with the main shaft 1. The connecting socket 8 comprises a longitudinal plate provided with a sliding hole/sliding pin 10, a transverse plate connected with the longitudinal plate, the connecting socket 8 is connected with the main shaft 1 through the driver 6, i.e. the main shaft 1 is connected with the transverse plate through the driver 6 mounted on the transverse plate.

In addition, in the second embodiment, the north-south adjusting assembly may further include a limiting member for limiting the position of the sliding pin 10 after the angle is adjusted.

As shown in fig. 2, 5 and 6, in the first solution, the spherical bearing seat 3 is connected with the upright post 2 through the mounting plate 11, the mounting plate 11 and the upright post 2 are formed with corresponding protrusions 13 and grooves 14, and the protrusions 13 are embedded in the grooves 14. The protrusion 13 and the groove 14 function to prevent lateral slippage. Specifically, the mounting plate 11 and the upright post 2 are formed by bending plates, so that a protrusion 13 is formed on the mounting plate 11, a groove 14 is formed on the upright post 2, the protrusion 13 and the groove 14 are both in the shape of a purline 17 along the length direction of the upright post 2, and the cross sections of the protrusion 13 and the groove 14 are both in the shape of round rectangles. In addition, a plurality of bolt holes 15 are correspondingly formed in the mounting plate 11 and the upright post 2, and the mounting plate 11 and the upright post 2 are fixedly connected through bolts matched with the bolt holes 15. Bolt holes 15 are formed in the protrusions 13 and the grooves 14 and the side edges of the protrusions 13 and the grooves 14, and the bolt holes 15 are purlines 17-shaped holes arranged in the length direction of the upright post 2, so that the relative position between the mounting plate 11 and the upright post 2 can be adjusted conveniently.

As shown in fig. 7 and 8, each group of purlin assemblies includes a purlin 17 arranged perpendicular to the main shaft 1, a lower connecting member 18 arranged below the main shaft 1 and connected to the purlin 17 in parallel, two symmetrically arranged diagonal braces 19 connecting the lower connecting member 18 and the purlin 17, and a mounting bolt 20. The lower connecting piece 18 is provided with a fixing hole, and the lower connecting piece 18 is connected with the purline 17 through two vertically arranged fastening bolts 21 matched with the fixing hole. Two ends of the inclined strut 19 are respectively provided with a connecting hole for connecting the purline 17 and the lower connecting piece 18. Mounting bolts 20 are used to connect the braces 19 to the lower connector 18/purlin 17. A plurality of mounting holes are formed in the purlin 17 corresponding to the inclined struts 19, the mounting holes are arranged along the length direction of the purlin 17, and mounting bolts 20 for connecting the inclined struts 19 and the purlin 17 are mounted in the connecting holes in the upper end of the purlin 17 and any one of the mounting holes. The brace 19 is a tubular member open at one side and formed with a groove 14, and portions of the purlins 17 and portions of the lower connector 18 are inserted into the groove 14. The purline 17 is a square tube with a round-corner rectangular cross section.

Typically, the mounting holes include standard mounting holes 22, pre-load mounting holes 23, and pre-load mounting holes 24. The distance between the center of the standard mounting hole 22 and the center of the fixing hole is equal to the distance between the centers of the connecting holes at both ends of the inclined strut 19, the distance between the center of the pre-pressing mounting hole 23 and the center of the fixing hole is smaller than the distance between the centers of the connecting holes at both ends of the inclined strut 19, and the distance between the center of the pre-pressing mounting hole 24 and the center of the fixing hole is smaller than the distance between the centers of the connecting holes at both ends of the inclined strut 19. The centers of the mounting holes are arranged in a collinear manner, and the pre-tensioning mounting holes 24 and the pre-tensioning mounting holes 23 are uniformly distributed on two sides of the standard mounting hole 22.

As shown in fig. 9 to 13, the bottom of the damper 25 is mounted on the column 2 through an angle adjustment mount enabling angle adjustment, and the top of the damper 25 is connected to the main shaft 1 through a connecting assembly.

The angle adjusting mounting seat comprises a fixed seat 26 and an ear seat 27 which are rotatably connected with each other. The upright 2 is provided with a lower connecting plate 287, and the fixed seat 26 is fixedly connected with the upright 2 through the fixed connection with the lower connecting plate 28. And the ear mount 27 is connected to the bottom of the damper 25. The fixed seat 26 is provided with a rotation hole 29, and the ear seat 27 comprises a rotation shaft 33 which is arranged in the rotation hole 29 and can rotate in the rotation hole 29, so that the rotation connection between the fixed seat 26 and the ear seat 27 is realized through the matching of the rotation hole 29 and the rotation shaft 33, and the fixed seat 26 and the ear seat 27 can rotate relatively in the north-south direction. Specifically, the fixing base 26 includes a fixing base plate 30 and a column 31 disposed on the fixing base plate 30, and the rotation hole 29 is opened on the column 31. A plurality of ribs 32 may be provided between the outer circumference of the cylindrical body 31 and the fixed base plate 30 to increase strength. The ear seat 27 further comprises an adjusting plate connected with the rotating shaft 33, the adjusting plate comprises an adjusting base plate 34 connected with the rotating shaft 33 and ear plates 35 correspondingly arranged on two sides of the adjusting base plate 34 and perpendicular to the adjusting base plate 34, and the damper 25 is connected with the ear plates 35 of the adjusting plate. The rotary shaft 33 is further screwed into the rotary hole 29, i.e., the rotary shaft 33 is provided with an external thread and the rotary hole 29 is provided with an internal thread. The angle-adjusting mount further includes a lock nut 36 provided on the rotation shaft 33 for locking a position between the rotation shaft 33 and the rotation hole 29.

The outer periphery of the rotation hole 29, for example, the end surface of the cylindrical body 31 is provided with an angle scale 37 indicating the rotation angle, and the ear seat 27 is opened with an observation hole 38 for observing the angle scale 37.

The coupling assembly comprises an upper coupling plate 407 connected to the main shaft 1 by a coupling ring 39, and the top of the damper 25 is connected to the upper coupling plate 407.

When the driver 6 uses a linearly moving push rod, its mounting structure is the same as that of the damper 25, i.e., the above-described angle adjustment mount and connection assembly are used.

The single-row flat single-shaft tracking support scheme suitable for the sloping field adopts a single-row driving double-plate vertical arrangement mode, and at most 56 large components or 68 small components can be driven simultaneously by one driver.

According to the scheme of the single-row flat single-shaft tracking support suitable for the sloping field, the speed reducer or the push rod is adopted for driving, the adjustment of the north and south angles is realized by combining the design of the spherical bearing 4 and the angle-adjustable driving seat, the bending rigidity of the purline 17 is improved by adopting the staggered hole connection design of the inclined strut 19 of the purline 17, and the connection reliability of the upright column 2 and the bearing seat 3 is improved by adopting the welding plate structure of the section of the special-shaped upright column 2 and the special-shaped bearing seat 3; by adopting the threaded connection type damper 25 mounting seat, the angle of the damper 25 mounting seat can be adjusted in real time, the damper 25 is ensured to be connected up and down in the same plane, and linear motion is always kept in the tracking process.

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. The utility model provides a flat single-axis tracking support of single-row suitable for hillside fields, includes that can the pivoted main shaft, single-row north-south arrange be used for supporting a plurality of stands of main shaft, set up in a plurality of groups on the main shaft are used for installing photovoltaic module's purlin subassembly, drive main shaft pivoted driver, be used for the absorbing attenuator, its characterized in that: the single-row flat single-shaft tracking support suitable for the sloping field further comprises a north-south adjusting component which is connected with the upper end part of the upright post and the main shaft and can realize angle adjustment in the north-south direction, the upright post provided with the driver is connected with the main shaft by adopting the north-south adjusting component in the scheme II, and the other upright posts are connected with the main shaft by adopting the north-south adjusting components in the scheme I;

2. The single-row flat single-axis tracking stand for hilly fields as recited in claim 1, wherein: in the first scheme, the north-south adjusting assembly further comprises a pair of limiting baffle plates which are sleeved on the main shaft and located on two sides of the spherical bearing.

3. The single-row flat single-axis tracking stand for hilly fields as recited in claim 1, wherein: in the second scheme, the connecting seat comprises a longitudinal plate provided with the arc-shaped hole/the sliding pin and a transverse plate connected with the longitudinal plate, and the main shaft is connected with the transverse plate.

4. The single-row flat single-axis tracking stand for hilly fields as recited in claim 1, wherein: the protrusion and the groove are both in a strip shape along the length direction of the upright post, and the cross section of the protrusion and the cross section of the groove are both in a fillet rectangle shape.

5. The single-row flat single-axis tracking stand for hilly fields as recited in claim 1, wherein: the mounting panel with correspond on the stand and seted up a plurality of bolt hole, the mounting panel with the stand through with bolt hole matched with bolt looks fixed connection, the bolt hole is the length direction edge the bar hole that the length direction of stand set up, the bolt hole seted up in protruding with in the recess and protruding with the side of recess.

6. The single-row flat single-axis tracking stand for hilly fields as recited in claim 1, wherein: the installation holes comprise standard installation holes, pre-pressing installation holes and pre-pulling installation holes, the distance between the center of each standard installation hole and the center of each fixing hole is equal to the distance between the centers of the connection holes at the two ends of the inclined strut, the distance between the center of each pre-pressing installation hole and the center of each fixing hole is smaller than the distance between the centers of the connection holes at the two ends of the inclined strut, and the distance between the center of each pre-pulling installation hole and the center of each fixing hole is smaller than the distance between the centers of the connection holes at the two ends of the inclined strut.

7. The single-row flat single-axis tracking stand for hilly fields as recited in claim 6, wherein: the pre-tensioning mounting holes and the pre-tensioning mounting holes are uniformly distributed on two sides of the standard mounting hole, and the centers of the mounting holes are collinear.

8. The single-row flat single-axis tracking stand for hilly fields as recited in claim 1, wherein: the fixing seat is provided with a rotating hole, and the ear seat comprises a rotating shaft which is arranged in the rotating hole and can rotate in the rotating hole.

9. The single-row flat single-axis tracking stand for hills according to claim 8, wherein: the fixed seat comprises a fixed bottom plate and a columnar body arranged on the fixed bottom plate, and the rotating hole is formed in the columnar body; the ear seat further comprises an adjusting plate connected with the rotating shaft, and the damper is connected with the adjusting plate.

10. The single-row flat single-axis tracking stand for hilly fields as recited in claim 1, wherein: the connecting assembly comprises an upper connecting plate connected with the main shaft through a connecting ring, and the top of the damper is connected with the upper connecting plate.