CN210469166U

CN210469166U - Large-span photovoltaic module fixed bolster

Info

Publication number: CN210469166U
Application number: CN201921218836.3U
Authority: CN
Inventors: 王刚; 高凯强; 汪婷婷; 刘莉
Original assignee: TBEA Xinjiang Sunoasis Co Ltd
Current assignee: TBEA Xinjiang Sunoasis Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-05
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a large-span photovoltaic module fixed bolster, including the main shaft, the main shaft is installed on a plurality of stands, is fixed with a plurality of purlins that are parallel to each other and lie in the coplanar on the main shaft, and the purlin is fixed on the main shaft through first backup pad and second backup pad. The steel upright posts and the longitudinal main shaft are used as main bearing mechanisms, and the span can be remarkably increased because the span increasing direction is the same as the bearing direction, and the weight of the steel upright posts is not remarkably increased when the span is increased. The bracket transverse purline and the inclined strut are used as direct bearing members, the span is increased, the bracket transverse purline is not influenced by span change, and the weight of the bracket transverse purline is unchanged along with the span increase.

Description

Large-span photovoltaic module fixed bolster

Technical Field

The utility model belongs to the technical field of the fixed bolster, concretely relates to large-span photovoltaic module fixed bolster.

Background

At present, a fixing support for fixing a photovoltaic module, which is mainly adopted in the photovoltaic market, adopts a transverse steel frame for bearing, is used as a directly stressed longitudinal purline, is not greatly stressed, is not small in quantity, accounts for 35% -65% of the weight of the whole support, and accounts for higher in the whole support when the wind load is larger. In addition, the economic span of original fixed bolster is about 3000mm, and present single photovoltaic project is less and less, the relatively higher compound photovoltaic project quantity of comprehensive benefits such as complementary, the complementary of farming light, fishing light is increasing, these projects generally all require higher height and great span, in order to realize its agriculture or fishery function, span about 3000mm can not satisfy its demand, and when the support height is higher, the long greatly increased of its foundation pile, also need to increase photovoltaic module fixed bolster span, come reduce cost with the reduction pile foundation quantity.

Disclosure of Invention

The utility model provides a large-span photovoltaic module fixed bolster solves traditional fixed bolster span for a short time, and vertical purlin accounts for than high in support weight, along with the span increase, the problem that steel volume increases by a wide margin for the support.

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

the utility model provides a large-span photovoltaic module fixed bolster, includes the main shaft, and the main shaft is installed on a plurality of stands, is fixed with a plurality of purlins that are parallel to each other and lie in the coplanar on the main shaft, and the purlin is fixed on the main shaft through first backup pad and second backup pad.

Further, the main shaft is installed on the stand through the support, and the recess that is used for holding the main shaft is seted up to the support upper end, and the main shaft lower part is installed in the recess, main shaft lower part and recess inner wall clearance fit.

Furthermore, the main shaft is fixed on the support through an anchor ear.

Further, a bar-shaped mounting hole is formed in the upper portion of the stand column, a circular mounting hole is formed in the lower portion of the support, and the adjusting bolt penetrates through the bar-shaped mounting hole and the circular mounting hole to fix the support on the stand column.

Further, the first support plate, the second support plate and the purlins form a triangle.

Further, the section bar used for the main shaft is square steel or magnesium-aluminum-zinc plated section steel made of Q345 low alloy steel.

Furthermore, the purlines, the first supporting plate and the second supporting plate are all made of high-strength steel or aluminum alloy profiles.

Compared with the prior art, the utility model discloses following profitable technological effect has at least:

1) the steel upright posts and the longitudinal main shaft are used as main bearing mechanisms, and the span can be remarkably increased because the span increasing direction is the same as the bearing direction, and the weight of the steel upright posts is not remarkably increased when the span is increased. 2) The bracket transverse purline and the inclined strut are used as direct bearing members, the span is increased, the bracket transverse purline is not influenced by span change, and the weight of the bracket transverse purline is unchanged along with the span increase.

Furthermore, the steel upright post and the main shaft are connected by adopting an adjustable steel support and a hoop, so that a certain adjusting space is ensured for the top of the post, and the top of the post can be reliably connected with the main shaft.

Furthermore, the first supporting plate, the second supporting plate and the purlines form a triangle, and the stability of the fixing support is improved.

Drawings

FIG. 1 is an isometric view of a large span fixed photovoltaic mount;

FIG. 2 is a side view of a large span fixed photovoltaic mount;

FIG. 3 is a detailed view of the connection between the support and the spindle;

FIG. 4 is a partial enlarged view of the upper end of the column of the present invention;

in the drawings: 1. the column, 2, support, 3, staple bolt, 41, first backup pad, 42, second backup pad, 5, purlin, 6, main shaft, 71, first adjusting bolt, 72, second adjusting bolt, 73, third adjusting bolt, 8, first mounting hole, 9, second mounting hole, 10 third mounting hole, 11, recess, 12, photovoltaic module.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, a large-span photovoltaic module fixed bolster combines projects such as complementary, the complementary of fishing light of farming light to generally require higher height and the requirement of great span, according to the difference characteristics of the support weight change under the different bearing modes of fixed photovoltaic support, adopts the following structural style with the photovoltaic fixed bolster: the vertical column and the longitudinal main shaft are used as main bearing mechanisms, the horizontal purline and the diagonal brace of the bracket are used as direct bearing members, and the steel vertical column and the main shaft are connected by an adjustable steel support and an anchor ear.

Referring to fig. 1, a large-span photovoltaic module fixed bolster includes main shaft 6, and main shaft 6 installs on a plurality of supports 2, and support 2 fixes on stand 1, is fixed with a plurality of purlins 5 that are parallel to each other and lie in the coplanar on main shaft 6, and purlin 5 slope sets up.

Referring to fig. 2, the lower end of the purlin 5 is fixedly connected to the upper ends of the first support plate 41 and the second support plate 42 through fasteners, the lower end of the first support plate 41 and the lower end of the second support plate 42 are fixed to the spindle 6 through fasteners, and the first support plate 41, the second support plate 42 and the purlin 5 form a triangle.

Referring to fig. 3, the upper portion of the upright post 1 is provided with a first mounting hole 8, a second mounting hole 9 and a third mounting hole 10, the lower portion of the support 2 is provided with fourth to sixth mounting holes, a first adjusting bolt 71 passes through the first mounting hole 8 and the fourth mounting hole, a second adjusting bolt 72 passes through the second mounting hole 9 and the fifth mounting hole, and a third adjusting bolt 73 passes through the third mounting hole 10 and the sixth mounting hole, so that the support 2 is fixed on the upright post 1.

Referring to fig. 3, a groove 11 for accommodating the spindle is formed in the upper end of the support 2, the lower portion of the spindle 6 is installed in the groove 11, the lower portion of the spindle 6 is in clearance fit with the inner wall of the groove 11, in this embodiment, the spindle is made of square steel, and the longitudinal section of the groove 11 is a right triangle. The main shaft 6 is fixed on the support 2 through the hoop 3.

Referring to fig. 4, the first mounting hole 8, the second mounting hole 9 and the third mounting hole 10 are all strip-shaped holes, the length directions of the first mounting hole 8, the second mounting hole 9 and the third mounting hole 10 are all horizontal directions, and when the support 2 is installed, the horizontal position of the support 2 can be adjusted by adjusting the positions of the first adjusting bolt 71, the second adjusting bolt 72 and the third adjusting bolt 73.

Wherein, the section bar used by the main shaft 6 is square steel made of Q345 low alloy steel or magnesium-aluminum-zinc plated section steel. The purlines 5, the first supporting plate 41 and the second supporting plate are made of high-strength steel or aluminum alloy profiles.

1) The bracket has large span and can meet the production requirements of agriculture and fishery in projects such as agricultural light complementation and fishing light complementation.

The utility model discloses can do the support span to 6000mm ~ 8000mm under the little condition of support overall weight increase, far exceed the economic span about traditional support 3000 mm.

2) The support foundation reduces in a large number, can be very big save construction cost, solve support foundation pile long longer, support foundation cost accounts for great problem.

The utility model discloses because the span increases to traditional support more than 2 times, so the reducible 1/2 to about original quantity of support basis quantity. Taking the vertical arrangement of the 330Wp assembly 2X20 support as an example, 1MW is about 525 piles, only 300 piles are needed at present, taking 10 m pipe piles as an example, each pile is 1500 yuan, and the cost per W can be saved by 0.3375 yuan; the weight of the corresponding bracket is increased by about 5t, and the cost per W is increased by only 0.04 yuan calculated according to 8000 yuan per ton.

It can be understood that the utility model discloses the fixed photovoltaic support form of large-span is not limited to this embodiment, can carry out design optimization according to photovoltaic project actual capacity, actual demand and handle. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. The utility model provides a large-span photovoltaic module fixed bolster, its characterized in that includes main shaft (6), main shaft (6) are installed on a plurality of stands (1), are fixed with a plurality of purlins (5) that are parallel to each other and lie in the coplanar on main shaft (6), purlin (5) are fixed on main shaft (6) through first backup pad (41) and second backup pad (42).

2. The large-span photovoltaic module fixing bracket according to claim 1, wherein the main shaft (6) is mounted on the upright post (1) through a support (2), a groove (11) for accommodating the main shaft is formed in the upper end of the support (2), the lower portion of the main shaft (6) is mounted in the groove (11), and the lower portion of the main shaft (6) is in clearance fit with the inner wall of the groove (11).

3. The large-span photovoltaic module fixing bracket according to claim 2, characterized in that the main shaft (6) is fixed on the support (2) through a hoop (3).

4. The large-span photovoltaic module fixing bracket as claimed in claim 2, wherein the upright post (1) is provided with a strip-shaped mounting hole at the upper part thereof, the support (2) is provided with a circular mounting hole at the lower part thereof, and the adjusting bolt (71) passes through the strip-shaped mounting hole and the circular mounting hole to fix the support (2) on the upright post (1).

5. The large-span photovoltaic module fixing bracket according to claim 1, characterized in that the first support plate (41), the second support plate (42) and the purlins (5) form a triangle.

6. The large-span photovoltaic module fixing bracket according to claim 1, characterized in that the profile used by the main shaft (6) is square steel or magnesium-plated aluminum-zinc profile steel made of Q345 low alloy steel.

7. The large-span photovoltaic module fixing bracket according to claim 1, wherein the purlins (5), the first support plate (41) and the second support plate (42) are made of high-strength steel or aluminum alloy profiles.