JP7359502B1 - Frames and cradle systems - Google Patents

Abstract

[Problem] To provide a frame that is easy to take root in not only soft ground but also hard ground, is capable of suppressing subsidence and overturning not only in hard ground but also in soft ground, and is superior in strength to conventional ones. [Solution] Two piles, each including an embedded part screwed into the ground from the tip and a column attachment part arranged at an end opposite to the tip, a main body part, and an end of the main body part. The pile mounting plate has two pile mounting portions connectable to the pillar mounting portions of the two piles, and the buried portion is At least a part of the outer peripheral surface is provided with a spiral blade screwed into the ground, and the two piles and the one pillar are connected to the pillar attachment part of each of the two piles and the two pile attachment parts. are connected by being fixed to each other via the pile mounting plate. [Selection diagram] Figure 1

Description

The present invention relates to a pedestal and a pedestal system with excellent strength.

Traditionally, the installation of frames for mega-solar solar panels has involved large-scale projects involving land preparation work and foundation work using concrete, which requires heavy machinery and a large amount of manpower. On the other hand, in recent years, as electricity sales prices have declined, there has been an increase in the number of small-scale projects installing solar panels on land with complex geology and shapes, such as narrow plots and farmland, and there is a need for easier installation methods. It's been getting worse.

As a method for easily installing various structures, Patent Document 1 proposes a solar panel mount that allows solar panels to be installed easily and quickly, and Patent Document 2 proposes a solar panel mount that allows solar panels to be installed easily and quickly. Installation structures for solar panel frames have been proposed to reduce the construction costs required for installation.

In addition, piles have traditionally been used to secure structures to the ground, and the foundation pile method that uses screw piles (also called helical piles or spiral piles), in which screw blades are wound spirally around the outer periphery of a steel pipe, has become popular. (Patent Document 3).

Furthermore, in order to install solar panels on soft ground, a construction method has been proposed in which a continuous helical screw resistor driven into the ground for 1.5 m or more is used as a foundation member (Patent Document 4).

Japanese Patent Application Publication No. 2014-43763 JP2014-37722A Japanese Patent Application Publication No. 2010-236344 Japanese Patent Application Publication No. 2015-127501

However, the hardness of the ground into which the piles are embedded varies depending on the location, and some ground is a complex mixture of hard and soft. For use in soft ground, measures must be taken to prevent piles from sinking and falling, and for use in hard ground, ease of pile penetration is important. Therefore, in the ground where hard and soft are mixed in a complex manner, it has been difficult to achieve both ease of rooting and suppression of subsidence and overturning. In addition, it was complicated to use different piles for hard and soft ground.

The present invention has been made in view of the above circumstances, and is easier to take root in not only soft ground but also hard ground, and is capable of suppressing subsidence and overturning not only in hard ground but also in soft ground. There is a need for a frame with excellent strength.

The gist of the present invention is as follows.
(1) Two piles, each including an embedded part that is screwed into the ground from the tip and a column attachment part located at the end opposite to the tip, and a main body and an end of the main body. one post with a pile mounting plate;
The pile attachment plate has two pile attachment parts connectable to the column attachment parts of the two piles,
The buried part includes a spiral blade screwed into the ground on at least a part of its outer peripheral surface,
The two piles and the one support column are connected by fixing the support attachment portions of the two piles and the two pile attachment portions to each other via the pile attachment plate. Ru,
trestle.
(2) The pile mounting plate is provided with the two pile mounting portions at positions facing each other across the one support when viewed from the longitudinal direction of the one support. The mount mentioned.
(3) The pile mounting plate is configured such that the center of gravity of the one support is located at an equal distance from the center of each of the two pile attachment parts when viewed from the longitudinal direction of the one support. The frame according to (2) above, comprising two pile attachment parts.
(4) Ratio A/B of the distance A between the centers of the two pile attachment parts and the dimension B of the main body of the one support in a direction parallel to the direction connecting the centers of the two pile attachment parts. is 3 to 5, the pedestal according to (2) or (3) above.
(5) The frame according to any one of (1) to (4) above, wherein the spiral blade has a pitch of 1 to 55 mm.
(6) The pedestal according to (1) above, wherein the spiral blade has a diameter that is more than 1 times and 1.6 times or less the diameter of the main body of the buried portion.
(7) The pedestal according to any one of (1) to (6) above, wherein the spiral blade is arranged in a range of 60% to 100% of the total length of the buried portion with the tip as a base point.
(8) The frame according to any one of (1) to (7) above, wherein the spiral blade has a spiral number of 10 to 50 turns.
(9) The pedestal according to any one of (1) to (8) above, wherein the one support column has an omega-shaped cross-sectional shape in a direction perpendicular to the longitudinal direction.
(10) The one pillar has reinforcing plates at two locations outside the bottom bent portion of the omega-shaped cross-sectional shape, when viewed from the longitudinal direction of the one pillar,
The reinforcing plate is arranged in a direction away from the foot portion of the omega-shaped cross-sectional shape and in a direction oblique to a direction connecting the centers of the two pile attachment portions, when viewed from the longitudinal direction of the one pillar. The frame according to (9) above.
(11) The pillar attachment part has a plurality of holes that are elongated from the center of the pillar attachment part toward the outer circumferential side and are arranged radially with respect to the center of the pillar attachment part, and The part has a plurality of holes having a concentric arc shape with respect to the center of the pile attachment part, or
The pillar attachment part has a plurality of holes having a concentric arc shape with respect to the center of the pillar attachment part, and the pile attachment part has an elongated shape from the center of the pile attachment part toward an outer peripheral side. and having a plurality of holes arranged radially with respect to the center of the pile attachment part,
The pedestal according to any one of (1) to (10) above.
(12) a front support bar and a rear support bar longer than the front support bar;
a fastening member that connects the column to the front support bar and the rear support bar;
A longitudinal member connected to the front support bar, the column, and the rear support bar, the vertical member being located at a higher position from a connection point with the front support bar that is located at a lower position in a direction parallel to the column. a longitudinal member arranged at an angle toward the connection with the rear support bar;
a cross member connected to the vertical member; and a clamp connected to the cross member,
When viewed from the longitudinal direction of the pillar, the direction connecting the two piles is parallel to the longitudinal direction of the vertical member, and the center of gravity is closer to the rear support bar than the pillar,
The pedestal according to any one of (1) to (12) above.
(13) The frame according to (12) above, wherein the fastening member is connected at a position that is 30% or more of the total length of the one support from the lower end of the one support.
(14) In (12) or (13) above, the angle θ ₂ between the column and the rear support bar is the same as or larger than the angle θ ₁ between the column and the front support bar _. The mount mentioned.
(15) The fastening member includes a first fastening member that connects the column and the front support bar, and a second fastening member that connects the column and the rear support bar. ) to (14).
(16) The one pillar has an omega-shaped cross-sectional shape in a direction perpendicular to the longitudinal direction;
the first fastening member is a U-shaped fitting;
the second fastening member is an H-shaped fitting;
The U-shaped metal fitting is connected with a bolt to the inside of the opening in the omega-shaped cross-sectional shape when viewed from the longitudinal direction of the one pillar,
The H-shaped metal fitting is connected with a bolt to the outside of the bottom of the omega-shaped cross-sectional shape when viewed from the longitudinal direction of the one support.
The pedestal according to (15) above.
(17) A mount system including a plurality of mounts according to any one of (1) to (16) above.

ADVANTAGE OF THE INVENTION According to the present invention, it is possible to provide a frame that is easier to take root in not only soft ground but also hard ground, and has superior strength to conventional structures that can suppress subsidence and fall not only in hard ground but also in soft ground. .

FIG. 1 is a schematic side view of an example of a pedestal according to the present disclosure. FIG. 2 is a schematic side view of an example of a pile. FIG. 3 is a schematic side view of an example of a support. FIG. 4 is a schematic diagram of an example of an omega-shaped support seen from the longitudinal direction of the support and a pile attachment plate including a pile attachment part. FIG. 5 is a schematic front view of an example of the column attachment part when the pile is viewed from the longitudinal direction. FIG. 6 is a schematic side view of an example of the pedestal of the present disclosure. FIG. 7 is an external photograph of an example of the column and rear support bar connected by the second fastening member. FIG. 8 is an external photograph of the column, the front support bar, and the rear support bar connected by the first fastening member and the second fastening member. FIG. 9 is a schematic cross-sectional view of the H-shaped metal fitting when viewed in a cross section perpendicular to the longitudinal direction of the support. FIG. 10 is a schematic cross-sectional view of the U-shaped metal fitting when viewed in a cross section parallel to the longitudinal direction of the support. FIG. 11 is a schematic front view of an example of a mount system that uses two mounts to hold two solar panels. FIG. 12 is a schematic front view of an example of a mount system that uses two mounts to hold three solar panels. FIG. 13 is a perspective view of an example of a mount system that uses two mounts 100 to hold three solar panels.

The present disclosure provides two piles each including an embedded part that is screwed into the ground from the tip and a column attachment part that is arranged at an end opposite to the tip, a main body, and an end of the main body. the pile mounting plate has two pile mounting portions connectable to the pillar mounting portions of the two piles, and the buried portion is At least a part of the outer peripheral surface is provided with a spiral blade screwed into the ground, and the two piles and the one pillar are connected to the pillar attachment part of each of the two piles and the two pile attachment parts. The present invention is directed to a frame in which the pile mounting plates are fixedly connected to each other via the pile mounting plate.

Since the mount of the present disclosure (also referred to as the mount) has two piles for one support, the surface area of the pile that comes into contact with the strata is increased, reducing the risk of subsidence or pull-out in soft ground. Since the piles are not thick, they can be easily embedded in hard ground, and the stability of the pillar can be increased by supporting two piles in any type of ground. Therefore, this mount can be easily embedded in not only soft ground but also hard ground, and can suppress subsidence and fall (improved strength) not only in hard ground but also in soft ground.

Conventionally, when placing roots, it was necessary to dig a hole in advance and push in from above with relatively large pressure, but the two stakes of this pedestal make it easy to place roots. , there is no need for pre-drilling or pressing pressure from above, which is required in conventional pile construction. Therefore, there is no need to use heavy machinery to embed the two piles of this frame, and it can be easily installed using small tools such as a hydraulic hand auger, making it possible to fit into narrow spaces where construction was previously impossible. It is also possible to take root.

FIG. 1 shows a schematic side view of an example of the main frame 100. The frame 100 includes two piles 1 and one support 20.

FIG. 2 shows a schematic side view of an example of the pile 1. Each of the two piles 1 includes an embedded portion 10 that is screwed into the ground from the tip, and a column attachment portion 14 at the end opposite to the tip.

Preferably, the buried portion 10 is formed of a metal cylinder, and may have a main body portion 101 having a constant diameter and a tip portion 102 having a tapered shape. The main body portion 101 of the buried portion 10 preferably has a diameter of 30 to 130 mm, more preferably 40 to 120 mm, even more preferably 50 to 110 mm, even more preferably 60 to 100 mm, and even more preferably 70 to 90 mm. By having the main body part 101 having the above-mentioned preferred diameter, it is possible to more easily insert the roots using a small tool without using heavy equipment, and the strength can be ensured, and the two piles can be inserted easily. It is possible to prevent them from interfering with each other.

The buried portion 10 preferably has a length of 0.6 to 2 m, more preferably 0.9 to 1.8 m, even more preferably 1.2 to 1.6 m, and still more preferably 1.3 to 1.5 m. . By having the buried portion 10 having the above-mentioned preferable length, it is possible to achieve both ease of embedding and strength.

The pile 1 includes a spiral blade 110 on at least a portion of the surface of the buried portion 10. By providing the pile 1 with the spiral blades 110 on the surface of the buried portion 10, the pile 1 can be screwed into the ground, making it easier to embed the pile and ensuring strength.

The spiral blade 110 is a spiral blade, and is also called a blade, a screw blade, or the like. The spiral blade 110 preferably has a diameter of more than 1 times and less than 1.6 times, more preferably more than 1.1 times and less than 1.5 times, and still more preferably more than 1.2 times and less than 1.5 times the diameter of the main body 101 of the buried part 10. It has a diameter of 4 times or less. The width of the spiral blade 110 is, for example, 3 to 20 mm, 5 to 16 mm, or 7 to 12 mm. By having the diameter of the helical blade 110 in the above-mentioned preferable ratio to the diameter of the buried portion 10, it is possible to better achieve both the ease of embedding the pile 1 and the suppression of subsidence and overturning.

The spiral blade 110 is arranged in a range that is preferably 100% or less, more preferably 95% or less, and even more preferably 90% or less of the total length of the buried portion 10 from the tip. The lower limit of the arrangement range of the spiral blades 110 is preferably 60% or more, more preferably 70% or more, still more preferably 80% or more of the total length of the buried portion 10 from the tip. The spiral blade 110 is arranged, for example, within a range of 1300 mm, 1250 mm, or 1200 mm from the tip of the buried portion. By arranging the spiral blades 110 in the above-mentioned preferred range with respect to the entire length of the buried portion 10 of the pile 1, it is possible to better achieve both ease of embedding the pile 1 and suppression of subsidence and overturning. .

The pitch of the spiral blades 110 is preferably 1 to 55 mm, more preferably 3 to 45 mm, even more preferably 5 to 35 mm, even more preferably 7 to 25 mm, even more preferably 9 to 20 mm, and even more preferably 10 to 15 mm. be. By setting the pitch of the helical blades 110 within the above-mentioned preferred range, it is possible to achieve both ease of penetration of the pile 1 and suppression of subsidence and overturning.

The number of spirals of the spiral blade 110 is preferably 10 to 50 turns, more preferably 15 to 45 turns, and even more preferably 20 to 40 turns. When the number of helices of the helical blade 110 is within the above-mentioned preferable range, it is possible to better achieve both ease of embedding of the pile 1 and suppression of subsidence and overturning.

Two piles 1 are connected to one support 20. FIG. 3 shows a schematic side view of an example of the support column 20. The column 20 includes a main body 22 and a pile attachment plate 23 at the end of the body 22, and the pile attachment plate 23 has two pile attachments connectable to each of the column attachment parts 14 of the two piles 1. It has a section 24.

Although the struts 20 are not particularly limited, they can be, for example, C-shaped, square-shaped, or omega-shaped in cross section perpendicular to the length direction, and are preferably omega-shaped. FIG. 3 is a schematic side view of the omega-shaped support 20, and FIG. 4 is a schematic diagram of an example of the support 20 and the pile attachment plate 23 provided with the pile attachment part 24 when the omega-type support 20 is viewed from the longitudinal direction. It is. As shown in FIG. 4, the omega-shaped support is a support that includes bottom bent portions 201, 202 and foot portions 203, 204, and has an omega-shaped cross section in a direction perpendicular to the longitudinal direction.

The material of the support column 20 can be a material used in conventional frames, such as steel or aluminum, and is preferably aluminum. Since the present frame can have excellent strength as described above, it is possible to use the lightweight and low-cost aluminum support column 20, and it is possible to achieve both high strength and cost reduction.

The struts 20 preferably have a longitudinal dimension of 60 to 250 mm, more preferably 80 to 200 mm, even more preferably 100 to 150 mm. The strut 20 preferably has a lateral dimension of 30 to 140 mm, more preferably 40 to 120 mm, even more preferably 50 to 100 mm. The vertical dimension of the support column 20 is the dimension in the direction connecting the two pile attachment parts 24. The horizontal dimension of the support column 20 is a dimension perpendicular to the vertical dimension and within the plane of the pile attachment plate 23. By having the support column 20 having the above-described preferable vertical and horizontal dimensions, the strength of the pedestal can be further improved.

The struts 20 preferably have a length of 1000-2200 mm, more preferably 1400-1800 mm. By having the above-mentioned preferable length of the support column 20, it is possible to ensure the strength of the pedestal as well as the height from the ground (under water) of components such as solar panels held by the pedestal, so it can be used in areas with heavy snowfall. The solar panels are less likely to be covered by the accumulation of snow, and the workability in the spaces below the solar panels and other members is improved, so these spaces can be used for farmland and the like.

The support column 20 includes a pile attachment plate 23 at the end of a main body portion 22 that is a connecting portion with the pile 1. The column 20 and the pile 1 are connected via a pile attachment part 24 and a column attachment part 14 provided on a pile attachment plate 23 of the column 20.

The pile attachment plate 23 can be a plate-like plate, and is preferably a plate-like plate that is elongated in the direction connecting the two pile attachment parts 24. The main body portion 22 and the pile attachment portion 24 of the column 20 can be made of a material conventionally used for columns, such as metal, and may be integrally formed or joined by welding or the like.

The buried portion 10, the spiral blade 110, the strut attachment portion 14, and any other configuration of the pile 1 may be made of a material conventionally used for piles, such as metal, and may be integrally formed or welded. It may also be joined by

Preferably, the pile attachment plate 23 includes two pile attachment parts 24 at positions sandwiching the column 20 when viewed from the longitudinal direction of the column 20. Since the pile attachment plate 23 has two pile attachment parts 24 in the preferred arrangement, a frame with higher strength can be obtained. Preferably, the pile attachment plate 23 includes two pile attachment parts 24 such that the center of gravity of the support column 20 is located at an equal distance from the center of each of the two pile attachment parts 24.

In FIG. 4, the pile mounting plate 23 has two pile mounting parts 24 sandwiching the pillar 20 such that the center of gravity of the pillar 20 is located at an equal distance from the center of each of the two pile mounting parts 24, and The portion 24 and the support column 20 are arranged in a straight line. By providing the pile attachment plate 23 with the pile attachment portions 24 arranged in this manner, the strength of the pedestal can be further improved.

The ratio A/B of the distance A between the centers of the two pile attachment parts 24 and the vertical dimension B of one support 20 in the direction parallel to the direction connecting the centers of the two pile attachment parts 24 is preferably 3 to 3. It is 5. When the center-to-center distance and the vertical dimension are within the preferable ranges, the strength of the pedestal can be further improved.

Preferably, the pillar attachment part 14 has a plurality of holes that are elongated from the center of the pillar attachment part 14 toward the outer circumferential side and are arranged radially with respect to the center of the pillar attachment part 14. 24 has a plurality of holes having a concentric arc shape with respect to the center of the stake attachment portion 24, or the column attachment portion 14 has a plurality of holes having a concentric arc shape with respect to the center of the column attachment portion 14. The pile attachment part 24 has a plurality of holes that are elongated from the center of the pile attachment part 24 toward the outer circumferential side and are arranged radially with respect to the center of the pile attachment part 24.

The pile attachment part 24 is provided on the pile attachment plate 23, and can include a plurality of holes 25 for fastening the pile attachment part 24 and the pile 1 with bolts, as illustrated in FIG. The plurality of holes 25 may have an arcuate shape concentric with the center of the pile attachment part 24, as illustrated in FIG. Each of the arc-shaped holes has a length that preferably spans an angle of 35 to 75 degrees, more preferably 40 to 70 degrees, and even more preferably 45 to 65 degrees with respect to the center of the pile attachment portion 24. Each of the arc-shaped holes has a length of, for example, 50 to 100 mm. The width of each of the arc-shaped holes in the outer circumferential direction (lateral direction) from the center of the pile attachment portion 24 is preferably 10 to 20 mm, more preferably 12 to 18 mm. Each of the arc-shaped holes may have the same diameter with respect to the center of the pile attachment portion 24, or may have different diameters.

FIG. 5 shows a schematic front view of an example of the column attachment part 14 when the pile 1 is viewed from the longitudinal direction. The pillar attachment part 14 is a plate-shaped plate, preferably a disc-shaped plate, provided with a plurality of holes 15 for fastening the pile 1 and the pile attachment part 24 with bolts, as illustrated in FIG. I can do it. As illustrated in FIG. 5, the plurality of holes 15 have an elongated shape from the center of the column attachment part 14 toward the outer circumferential side, and can be arranged radially with respect to the center of the column attachment part 14. The length of the hole 15 in the longitudinal direction is preferably 32 to 72 mm, more preferably 42 to 62 mm, and the length in the transverse direction is preferably 10 to 20 mm, more preferably 12 to 18 mm.

The strut attachment portion 14 of the pile 1 and the pile attachment portion 24 of the strut 20 may have the opposite structure as described above. That is, the column attachment part 14 of the pile 1 may have the structure of the pile attachment part 24 shown in FIG. 4, and the pile attachment part 24 of the column 20 may have the structure of the column attachment part 14 shown in FIG. Since the strut attachment portion 14 and the pile attachment portion 24 have the above structure, the strut attachment portion 14 of the two screwed-in piles 1 and the pile attachment portion 24 of the strut 20 can be easily bolted together.

The support column 20 may include one or more reinforcing plates 26 between the main body portion 22 and the pile attachment portion 24, as illustrated in FIGS. 3 and 4.

The reinforcing plate 26 can have a triangular shape, as illustrated in FIGS. 3 and 4. The main body portion 22, the pile attachment portion 24, and the reinforcing plate 26 of the column 20 may be integrally molded or may be welded together. The reinforcing plate 26 can further improve the strength of the support column 20. The reinforcing plate 26 is preferably arranged diagonally with respect to the longitudinal direction of the pile attachment plate 23, as illustrated in FIG. Thereby, the strength of the support column 20 can be further improved.

Preferably, the strut 20 has reinforcing plates 26 at two locations on the outside of the bottom bent portions 201 and 202 in the omega-shaped cross-sectional shape when viewed from the longitudinal direction of the strut 20, and the reinforcing plates 26 are arranged in the longitudinal direction of the strut 20. When viewed from above, it is arranged in a direction away from the legs 203 and 204 having an omega-shaped cross-section and in a direction oblique to the direction connecting the centers of the two pile attachment parts 24. Thereby, the strength of the omega-shaped support can be further improved.

The mount 100 can be used as any mount, but is preferably a mount for a solar panel or a mount for a carport.

Preferably, the pedestal 100 includes a front support bar, a rear support bar longer than the front support bar, a fastening member connecting the column to the front support bar and the rear support bar, the front support bar, A longitudinal member connected to the column and the rear support bar, the rear support bar being located at a higher position from the connection point with the front support bar at a lower position in a direction parallel to the column. The method further includes a vertical member arranged at an angle toward the connection part, a horizontal member connected to the vertical member, and a clamp connected to the horizontal member, and the two piles are connected to each other when viewed from the longitudinal direction of the pillar. The tying direction and the longitudinal direction of the longitudinal members are parallel, and the center of gravity is closer to the rear support bar than the support column.

FIG. 6 shows a front support bar 30, a rear support bar 40 that is longer than the front support bar 30, a first fastening member 51 that connects the strut 20 and the front support bar 30, and a first fastening member 51 that connects the strut 20 and the rear support bar 40. a second fastening member 52 connecting the front support bar 30, the strut 20, and a vertical member connected to the rear support bar 40, the front support bar 30 being at a lower position in the direction parallel to the strut 20; A vertical member 60 that is arranged at an angle from the connection with the rear support bar 40 located at a higher position, a cross member connected to the vertical member 60, and a clamp connected to the cross member. A schematic side view of an example of the main frame 100 further including 80 is shown.

In the frame 100 shown in FIG. 6, the direction in which the two piles 1 are connected is parallel to the longitudinal direction of the vertical member 60 when viewed from the longitudinal direction of the support column 20. Since the direction in which the two piles 1 are connected is parallel to the longitudinal direction of the vertical member 60, the strength of the frame can be further improved.

In the pedestal 100 shown in FIG. 6, the center of gravity of the pedestal 100 is closer to the rear support bar 40 than the support column 20 is. Since the center of gravity of the mount 100 is closer to the rear support bar than the pillar, the solar panel etc. can be supported in a well-balanced manner by the front support bar and the rear support bar in addition to the pillar, and it has excellent load capacity. It is less susceptible to the effects of wind from behind supporting members such as solar panels, and can be stably installed in areas with heavy snowfall where large amounts of snow tend to accumulate on supporting members such as solar panels.

The first fastening member 51 and the second fastening member 52 preferably account for 30% or more, more preferably 35% or more, and still more preferably 40% or more of the total length of one support 20 from the lower end of one support 20. connected at the position. The connection position is a location where the support column 20 is bolted to the first fastening member 51 and the second fastening member 52. Since the present frame can have excellent strength as described above, the connection position between the support column 20 and the first fastening member 51 and the second fastening member 52 can be made higher. Since the connection position can be set at the above-mentioned preferred height, the front support bar 30 and the rear support bar 40 can be shortened accordingly, and high strength and cost reduction can be achieved at the same time. Further, since the connection position can be set at the above-mentioned preferable height, workability in the space below the main frame can be improved. The upper limit of the connection position can be adjusted depending on the mass and size of the supporting member, for example, 60% or less, 55% or less, or 50% or less of the total length of one pillar 20 from the lower end of the pillar 20. can be.

Preferably, the angle θ ₂ between the strut 20 and the rear support bar 40 is the same as or _larger than the angle θ ₁ between the strut 20 and the front support bar 30 . This makes it easier to stably arrange the center of gravity of the pedestal 100 closer to the rear support bar 40 than the support column 20.

The strut 20 may include a hole 28 in the body portion 22 for bolted connection of a fastening member. The post 20 may also be provided with one or more holes 29 at the end of the body portion 22 opposite the pile attachment portion 24 for bolted connection of the stringers. The fastening member is a connecting member for connecting the front support bar and the rear support bar to the column 20.

The fastening members can be one member or multiple members, preferably a first fastening member 51 connecting the strut 20 and the front support bar 30, and a first fastening member 51 connecting the strut 20 and the rear support bar 40. and a second fastening member 52.

Preferably, the cross-sectional shape of one support 20 in a direction perpendicular to the longitudinal direction is an omega shape, the first fastening member 51 is a U-shaped fitting 511, and the second fastening member 52 is an H-shaped fitting 521. , the U-shaped metal fitting 511 is connected with a bolt to the inside of the opening in the omega-shaped cross-sectional shape of one support 20 when viewed from the longitudinal direction, and the H-shaped metal fitting 521 has an omega-shaped cross-section when viewed from the longitudinal direction of one of the support 20. Connected by bolts to the outside of the bottom of the cross-sectional shape of the mold.

FIG. 7 shows an external photograph of an example of the column 20 and the rear support bar 40 connected by the H-shaped metal fitting 521, which is the second fastening member. FIG. 8 shows an external photograph of the column 20, the front support bar 30, and the rear support bar 40, which are connected by the U-shaped metal fitting 511 that is the first fastening member and the H-shaped metal fitting 521 that is the second fastening member. show.

An H-shaped metal fitting 521 having an H-shaped cross-section in a direction perpendicular to the longitudinal direction of the pillar 20, and a U-shaped metal fitting 53 having a U-shaped cross-section in a direction parallel to the longitudinal direction of the pillar 20, connect the pillar 20 and the rear support bar 40. is connected. One end of the H-shaped fitting 521 is bolted to the column 20, the other end of the H-shaped fitting 521 is connected to one end of the U-shaped fitting 53 with a bolt 55, and the other end of the U-shaped fitting 53 is connected to the rear support bar 40. ing.

FIG. 9 shows a schematic cross-sectional view of the H-shaped fitting 521 when viewed in a cross section perpendicular to the longitudinal direction of the support column 20. The H-shaped fitting 521 may have a hole 523 for bolting to the post 20 and a hole 522 for bolting to the U-shaped fitting 53.

FIG. 10 is a schematic cross-sectional view of the U-shaped metal fitting 53 when viewed in a cross section parallel to the longitudinal direction of the support column 20. The U-shaped fitting 53 may have a hole 532 for bolted connection to the rear support bar 40 and a hole 531 for bolted connection to the H-shaped fitting 521. The H-shaped metal fitting 521 and the U-shaped metal fitting 53 can be connected by passing bolts 55 through the holes 522 and 531 and fastening them.

In FIG. 8, a U-shaped metal fitting 511 is used as the first fastening member. The U-shaped fitting 511 may have the same shape as the U-shaped fitting 53, and the U-shaped fitting 511 connects the column 20 and the front support bar 30. One end of the U-shaped metal fitting 511 is connected to the column 20 with a bolt 55, and the other end of the U-shaped metal fitting 511 is connected to the front support bar 30 with a bolt.

The front support bar 30 and the rear support bar 40 may be conventional support bars. Preferably, as illustrated in FIG. 6, the front support bar 30 is connected to the first fastening member 51 and is inclined more forward than the column 20, and the rear support bar 40 is longer than the front support bar 30. It is connected to the second fastening member 52 and is inclined more rearward than the support column 20 .

The front support bar 30 can be a member with a length of 780 to 1280 mm, for example. The rear support bar 40 can be a member having a length of 970 to 1470 mm, for example.

The front support bar 30 and the rear support bar 40 may be connected to the longitudinal members 60 along with the struts 20. As illustrated in FIG. 6, the ends of the front support bar 30, the ends of the rear support bar 40, and the ends of the struts 20 therebetween may be connected to the longitudinal member 60.

Front support bar 30 may include one or more holes at the end for bolted connection with fastening members 50. The front support bar 30 may also be provided with one or more holes at the opposite end for bolted connection to the stringers. The rear support bar 40 may similarly include one or more holes at each end for bolted connection to a fastening member and one or more holes for bolted connection to a stringer.

The angle θ ₁ between the strut 20 and the front support bar 30 shown in FIG. 6 is preferably 13 to 45 degrees, more preferably 18 to 40 degrees, and still more preferably 23 to 35 degrees. By setting the angle θ ₁ within the above-mentioned preferable range, it is possible to ensure the height of the structure held by the pedestal, such as a solar panel, from the ground, and to further improve the structural strength of the pedestal. The angle θ ₂ between the strut 20 and the rear support bar 40 shown in FIG. 6 is preferably 18 to 50 degrees, more preferably 23 to 45 degrees, and even more preferably 25 to 40 degrees. By setting the angle θ ₂ within the above-mentioned preferable range, it is possible to secure a space under the structure such as a solar panel held by the pedestal, and to further improve the structural strength of the pedestal.

The front support bar 30, the rear support bar 40, and the fastening member may be made of the same material as the support column, such as steel or aluminum, and are preferably made of aluminum. Since this frame has excellent strength as described above, the front support bar, rear support bar, and fastening members can also be made of lightweight and low-cost aluminum, resulting in high strength and low cost. It is possible to achieve both reduction.

The stringers 60 can be conventional stringers. As illustrated in FIG. 6, the longitudinal members 60 are connected to the front support bar 30, the struts 20, and the rear support bar 40, with the front connecting to the front support bar 30 being lower and the front connecting to the rear support bar 40 being lower. It may have an inclination of an angle α with respect to the horizontal direction so that the rear side is higher. The stringers 60 are also connected to the cross members. The stringer 60 may include holes for bolted connections with the front support bar 30, the struts 20, the rear support bar 40, and the cross members.

The angle α of the longitudinal members 60 is greater than 0 degrees, preferably 25 degrees or less, more preferably 7 to 22 degrees, and still more preferably 14 to 18 degrees. By setting the angle α within the above-mentioned preferred range, it is possible to obtain a natural cleaning effect of snow and rainwater that falls on the structure such as a solar panel held by the mount, and to achieve more favorable stability of the mount. If the structure is a solar panel, it is possible to improve the solar power generation effect.

The crosspiece can be a conventionally used crosspiece. The cross members may be connected to the longitudinal members 60 and arranged generally perpendicular to the longitudinal members 60. The cross members may be provided with holes for bolted connection with the longitudinal members 60. The cross members may be arranged across two or more longitudinal members. The cross member can be one or more. The vertical member 60 and the horizontal member may be connected with bolts using a metal fitting such as an L-shaped metal fitting.

The present disclosure is also directed to a cradle system that includes a plurality of the cradle described above. FIG. 11 shows a schematic external view of an example of a mount system including a horizontal member 70 connected to the vertical members of two mounts 100. The two mounts 100 may have a common cross member 70, or the cross members 70 of the two mounts may be connected.

The trestle system can hold any structure and preferably can be a solar panel trestle system or a carport trestle system. FIG. 11 is a schematic front view showing an example of a mount system that holds two solar panels 90 with clamps on a cross member 70 spanning two mounts 100.

The cross members 70 may include an extension member that allows the cross members 70 to be combined with each other. The extension member may be integral with the end of the cross member 70 or may be connected to a hole in the end of the cross member 70 with a bolt. By combining a plurality of cross members 70 via extension members at the ends of the cross members 70, the cross members 70 can be extended. By extending the cross member 70, a larger number of solar panels can be held.

FIG. 12 shows a schematic front view of an example of a mount system that uses two mounts 100 to hold three solar panels. FIG. 13 shows a perspective view of an example of a mount system that uses two mounts 100 to hold three solar panels. In FIGS. 12 and 13, three solar panels are held by a horizontal member 70 spanning two frames 100. Each member of the solar panel mount according to the present disclosure can be assembled by a conventional method.

1 Pile 10 Buried part 100 Frame 101 Main body of the buried part 102 Tip of the buried part 110 Spiral blade 14 Strut attachment part 15 Hole of the strut attachment part 20 Strut 201 Bottom bent part of the omega-shaped pillar 202 Bottom bent part of the omega-shaped pillar 203 Foot part of omega-type support 204 Foot part of omega-type support 22 Main body of support 23 Pile attachment plate 24 Pile attachment part 25 Hole of pile attachment part 26 Reinforcement plate 28 Hole for connecting with fastening member 29 Connection with vertical member 30 Front support bar 40 Rear support bar 51 First fastening member 511 U-shaped fitting 52 Second fastening member 521 H-shaped fitting 522 Hole for connecting to the U-shaped fitting with a bolt 523 Bolt to the support post 53 U-shaped bracket 531 Hole for connecting to the H-shaped bracket with a bolt 532 Hole for connecting to the rear support bar with a bolt 55 Bolt 60 Vertical member 70 Cross member 80 Clamp 90 Solar panel

Claims (14)

Two piles each having an embedded part screwed into the ground from the tip and a column attachment part arranged at the end opposite to the tip, and a main body and pile attachment at the end of the main body. one post with a plate;
The pile attachment plate has two pile attachment parts connectable to the column attachment parts of the two piles, and is a plate-like plate that is elongated in a direction that connects the two pile attachment parts,
The buried part includes a spiral blade screwed into the ground on at least a part of its outer peripheral surface,
The two piles and the one support column are connected by fixing the support attachment portions of the two piles and the two pile attachment portions to each other via the pile attachment plate. ,
The pile mounting plates are arranged at positions opposite to each other across the one pillar when viewed from the longitudinal direction of the one pillar, and at equal distances from the center of each of the two pile mounting parts. The two pile attachment parts are provided so that the center of gravity of the support is located,
The ratio A/B of the distance A between the centers of the two pile attachment parts and the dimension B of the main body part of the one support in a direction parallel to the direction connecting the centers of the two pile attachment parts is 3. ~5,
trestle. The pedestal according to claim 1, wherein the helical vanes have a pitch of 1 to 55 mm. The pedestal according to claim 1, wherein the spiral blade has a diameter that is more than 1 times and 1.6 times or less the diameter of the main body of the buried portion. The pedestal according to claim 1, wherein the spiral blade is arranged in a range of 60% or more and 100% or less of the total length of the buried portion, starting from the tip. The frame according to claim 1, wherein the spiral number of the spiral blades is 10 to 50 turns. The pedestal according to claim 1, wherein the one support column has an omega-shaped cross-sectional shape in a direction perpendicular to the longitudinal direction. The one pillar has reinforcing plates at two locations outside the bottom bent part of the omega-shaped cross-sectional shape, when viewed from the longitudinal direction of the one pillar,
The reinforcing plate is arranged in a direction away from the foot portion of the omega-shaped cross-sectional shape and in a direction oblique to a direction connecting the centers of the two pile attachment portions, when viewed from the longitudinal direction of the one pillar. 7. The pedestal according to claim 6. The pillar attachment part has a plurality of holes that are elongated from the center of the pillar attachment part toward the outer circumferential side and are arranged radially with respect to the center of the pillar attachment part, and the pile attachment part includes: It has a plurality of holes having a concentric arc shape with respect to the center of the pile attachment part, or
The pillar attachment part has a plurality of holes having a concentric arc shape with respect to the center of the pillar attachment part, and the pile attachment part has an elongated shape from the center of the pile attachment part toward an outer peripheral side. and having a plurality of holes arranged radially with respect to the center of the pile attachment part,
The pedestal according to claim 1. a front support bar and a rear support bar that is longer than the front support bar;
a fastening member that connects the column to the front support bar and the rear support bar;
A longitudinal member connected to the front support bar, the column, and the rear support bar, the vertical member being located at a higher position from a connection point with the front support bar that is located at a lower position in a direction parallel to the column. a longitudinal member arranged at an angle toward the connection with the rear support bar;
a cross member connected to the vertical member; and a clamp connected to the cross member,
When viewed from the longitudinal direction of the pillar, the direction connecting the two piles is parallel to the longitudinal direction of the vertical member, and the center of gravity is closer to the rear support bar than the pillar,
The pedestal according to claim 1. The frame according to claim 9, wherein the fastening member is connected at a position of 30% or more of the total length of the one support from the lower end of the one support. The pedestal according to claim 9, _wherein an angle θ ₂ between the column and the rear support bar is the same as or larger than an angle θ ₁ between the column and the front support bar. 10. The fastening member according to claim 9, wherein the fastening member includes a first fastening member connecting the strut and the front support bar, and a second fastening member connecting the strut and the rear support bar. trestle. The one pillar has an omega-shaped cross-sectional shape in a direction perpendicular to the longitudinal direction;
the first fastening member is a U-shaped fitting;
the second fastening member is an H-shaped fitting;
The U-shaped metal fitting is connected with a bolt to the inside of the opening in the omega-shaped cross-sectional shape when viewed from the longitudinal direction of the one pillar,
The H-shaped metal fitting is connected with a bolt to the outside of the bottom of the omega-shaped cross-sectional shape when viewed from the longitudinal direction of the one support.
The pedestal according to claim 12. A pedestal system comprising a plurality of pedestals according to any one of claims 1 to 13.

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