JP2012180668A - Installation device of solar cell module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an installation device for installing a solar cell module on a roof.SOLUTION: An installation device includes a frame building device which installs a frame 1 on a roof for mounting a solar cell module M, and a fixing device which fixes the mounted solar cell module M to the frame 1. The frame building device comprises a base metal fitting 4 which is fixedly installed on the roof corresponding to a planned installation position of the frame, and a joint metal fitting 5. The joint metal fitting 5 provided with a couple of holding plate parts to slidably hold both sidewalls 25 of the frame, receiving plate parts extending downward beyond the bottom wall of the frame, and a couple of support holes penetrating the couple of receiving plate parts is fitted between a couple of raised plate parts 19 of the base metal fitting 4 provided with guide holes. A fastening bolt 6 is inserted in the guide holes and the support holes and fastened with a nut 7, so that the holding part of the raised plate parts holds the holding plate parts to be pressure contacted with both sidewalls 25 of the frame.

Description

The present invention relates to a solar cell module installation device for installing a solar cell module that performs solar power generation on a roof.

Conventionally, an apparatus for installing a solar cell module on a roof includes a gantry constructing apparatus in which pedestals arranged in the X direction are arranged on the roof at intervals in the Y direction intersecting the X direction, and the Y direction. The solar cell module is mounted on the gantry adjacent to the gantry and fixed in such a manner that the edge of the solar cell module adjacent to the X direction is fixed to the gantry in a state where a plurality of solar cell modules are arranged in the X direction. I have a device.

JP 2001-107518 A

A base fitting having a pair of upright plate portions that form the groove in the X direction is used in the gantry construction device that arranges the gantry on the roof. The base metal fitting is fixed on the roof corresponding to the installation position of the gantry, and the gantry is fixed to the base metal fitting by fastening fastening bolts in a state where the gantry is fitted between the pair of upright plate portions.

In this regard, in the case of the configuration example in which the fastening bolt is inserted and fastened through the upright plate portion of the base metal fitting and both side walls of the base, a through hole is formed in the base in addition to the through hole of the upright plate portion. It will be necessary. However, in actual construction, after fixing the base metal fittings according to the roof of the site, it is necessary to insert the fastening bolts after inserting the gantry so as to be in the predetermined arrangement state. Even if the through hole is formed in the gantry, the through hole of the gantry does not necessarily coincide with the through hole of the base metal fitting. For this reason, when using a penetration type fastening bolt, it is necessary to form a through hole in a mount during construction on site, and work efficiency is not good.

In view of this, there has been proposed a configuration example in which the gantry is formed of an aluminum extruded material or the like and nut receiving grooves are formed on both side walls of the gantry. According to this, in the state where the mount is inserted between the pair of upright plate portions of the base metal fitting, the fastening bolt is inserted from the through hole of both the upright plate portions, and the nut is slidably fitted in the receiving groove. It is possible to fasten the fastening bolt. However, if the stand is inserted into the upright plate portion, the receiving groove is covered by the upright plate portion, and the nut fitted in the receiving groove cannot be slid with the fingertip. Therefore, it is necessary to perform a blind operation of sliding the nut to the tip position of the fastening bolt, and the workability is not good.

By the way, when installing the solar cell modules, it is necessary to arrange the gantry on the roof in a desired posture. For the gantry arranged in the X direction, the gantry adjacent in the Y direction must be installed on the same surface. I must. For example, in the case of a roof having a downward gradient in the X direction from the ridge side to the eaves side, it is necessary to install adjacent frames on the same plane with the same gradient with respect to the first frame. However, since the upper surface of the roof is not necessarily a flat surface having a uniform height, it is desirable that the height of the gantry can be adjusted and fixed when the gantry is connected to the base metal fitting.

Moreover, the fixing device that fixes the solar cell module to the gantry includes a pressing metal that is engaged with the upper surface of the edge of the solar cell module adjacent in the X direction, and an upright bolt that fastens the pressing metal to the gantry is used. With respect to the gantry with an opening in the longitudinal direction of the upper part, the standing bolt has its head fixed to the hollow interior of the gantry by a fixing bracket and is attached to the tip of the standing bolt that stands up from the opening. It is preferable that the nut is fastened in a state of being inserted through the presser fitting. In this regard, for ease of construction on site, it is desirable that the fixing bracket provided on the upright bolt can be inserted into the hollow interior from an arbitrary position of the opening of the gantry. Thereby, with respect to the solar cell module mounted on the gantry, the work of installing the standing bolt at a desired position and locking the solar cell module to the upper surface of the edge of the solar cell module by the presser fitting becomes easy.

In addition, it is desirable that the fixing bracket of the upright bolt be configured to be fitted so that the fixing bracket does not fall in a state of being inserted and locked into the hollow inside of the gantry. As a result, after the fixing bracket and the upright bolt are inserted and locked in the hollow space of the gantry, the operator can proceed to the next work without holding the fixing bracket with fingers, so that the work is easy. Become.

This invention provides the installation apparatus of the solar cell module which solved the said subject, and when it comprised as the means, the space | interval was opened in the Y direction which cross | intersects the said X direction about the stand arrange | positioned in a X direction. In addition to mounting a solar cell module on a frame adjacent to the Y direction and mounting the solar cell modules on the roof, the plurality of solar cell modules are arranged in the X direction and adjacent to the X direction. A fixing device for fixing an edge portion of the solar cell module to the gantry, and the gantry constructing device is fixed on the roof in accordance with a planned installation position of the gantry, and forms the groove in the X direction. And a pair of joint brackets that connect and support the gantry on the base bracket, and the joint bracket slidably holds both side walls of the gantry. A clamping plate portion; a receiving plate portion extending downward from the pair of clamping plate portions beyond the bottom wall of the gantry; and a support hole penetrating the pair of receiving plate portions; A guide hole that forms a long hole in the vertical direction is formed through the upright plate portion, and a sandwiching portion is formed by the vicinity of the upper end of the upright plate portion. Inserting a fastening bolt into the guide hole and the support hole below the bottom wall of the pedestal while being fitted in the standing plate part, and fastening the fastening bolt at a predetermined position of the guide hole, The sandwiching plate portion is sandwiched and clamped by the sandwiching portion of the upright plate portion so that the sandwiching plate portion is crimped to both side walls of the gantry.

In a state where the fastening bolt is fastened, the both side walls of the gantry are directly clamped by the clamping portion of the upper end portion in addition to clamping the clamping plate portion of the joint bracket by the standing plate portion. It is preferable.

In a preferred embodiment of the present invention, irregularities formed by grooves and ribs extending in the lateral direction are arranged vertically on the outer surface of at least one upright plate portion of the base metal fitting, and irregularities that engage with the irregularities are formed. At the same time, a height adjusting plate provided with an insertion hole for a fastening bolt is attached to the outer surface of the upright plate portion, and the upright plate portion and the height adjusting plate are fastened together with the fastening bolt to engage the unevenness. Thus, the fastening bolt is prevented from descending.

The gantry comprises a guide wall in which the joint fitting is slidably fitted in the X direction below the both side walls, and a reinforcing wall for connecting the both side walls is provided inside the hollow portion at a position above the guide wall. It is preferable.

In an embodiment of the present invention, the gantry is formed in a hollow shape, and includes a pair of lip portions bent downward from the upper wall across an opening along the longitudinal direction, and the fixing device includes the gantry of the gantry. An upright bolt with a head extending upward through the opening from the head disposed inside the hollow, a fixing bracket for locking the head of the upright bolt to the hollow inside of the gantry, and an edge of the solar cell module A holding metal fitting that locks on the upper surface of the part, and is configured to fasten a nut to an insertion end of the upright bolt in a state where the upright bolt is inserted through the holding metal fitting. And a holding hole through which the neck of the upright bolt is inserted in a substantially rectangular substrate portion having a long side portion, and the width W6 of the short side portion of the substrate portion is set to W5 with respect to the width W5 of the opening portion of the gantry. ≥W6 and long side width 7 is formed such that W5 <W7, so that the short side portion traverses the opening portion so that the substrate portion can be inserted from the opening portion toward the hollow interior of the gantry. In the state of being inserted inside, the fixing bracket is pivoted and pulled up so that the long side crosses the opening, so that the fixing bracket can be locked to the lower surface of the upper wall portion of the gantry and the fixing Drop prevention means for preventing the metal fitting from dropping is provided.

One embodiment relating to the fall prevention means constitutes a fitting means provided between the locking wall rising from the short side part of the base plate part and the lip part of the frame.

In a preferred embodiment of the present invention, there is provided a positioning fitting which is placed on the upper wall of the gantry by inserting the upright bolt. The positioning bracket includes a pair of positioning portions suspended from both side edges of the flat plate portion provided with the bolt insertion holes, and wings extending from the positioning portions to both sides, and the claws provided in the insertion holes. The stand is locked to the thread of the upright bolt to constitute a fall prevention means for the upright bolt, and the positioning means serves as a positioning means for contacting the edge surface of the adjacent solar cell module.

At this time, the wing portion of the positioning fitting is provided with a downward boss that is locked to the upper wall of the gantry and an upward boss that is locked to the bottom surface of the solar cell module, and the wing portion, the upward boss, and the downward boss are electrically conductive materials. It is preferable that the grounding means is constituted by forming.

According to the first aspect of the present invention, the guide plate 37 of the joint bracket 5 is guided in the lower side of the bottom wall 24 of the gantry 1 with the receiving plate portion 37 fitted into the upright plate portions 19 and 19 of the base bracket 4. The fastening bolt 6 is inserted into the hole 22 and the support hole 38, and the fastening bolt 6 is fastened at a predetermined position of the guide hole 22 to sandwich the upright plate portions 19 and 19, and the sandwiched portion 19a of the upright plate portion. , 19a, the sandwiching plate portions 36, 36 are clamped to the side walls 25, 25 of the gantry 1 by sandwiching the sandwiching plate portions 36, 36. It is not necessary to process and form a through hole in the gantry during construction at such a site, and the construction work becomes easy.

Moreover, when the gantry 1 is connected and fixed to the base metal fitting 4, the blind work for sliding the nut as described above with respect to the subject of the invention is not forced, and the base is placed below the bottom wall 24 of the gantry 1. Since the nut 7 can be easily fastened to the tip of the fastening bolt 6 penetrating the metal fitting 4 and the joint metal fitting 5, the construction work is simplified.

Although the through hole is not provided in the gantry 1 as described above, the base plate 4 and the base metal fitting 4 can be bonded by pressing the clamping plate portions 36 and 36 to the both side walls 25 and 25 of the gantry 1 by fastening the fastening bolt 6. The joint bracket 5 and the gantry 1 can be firmly and integrally coupled.

Further, the fastening bolt 6 penetrating the base metal fitting 4 and the joint metal fitting 5 with the mount 1 supported by the joint metal fitting 5 can be adjusted in the vertical position along the guide hole 22 that forms a long hole. Therefore, it is possible to install the gantry 1 on the roof having a downward slope in the X direction so as to have a predetermined gradient, and the gantry 1 adjacent to the Y direction with respect to the gantry 1 arranged in the X direction. 1 can be adjusted so as to be positioned on the same plane, and a frame having a desired arrangement posture can be easily constructed.

According to the second aspect of the present invention, in addition to clamping the clamping plate portions 36 and 36 of the joint metal fitting 5 by the upright plate portions 19 and 19 with the fastening bolt 6 fastened, the upper end portion Since the sandwiching portions 19a and 19a directly sandwich the both side walls 25 and 25 of the gantry 1, the coupling between the base metal fitting 4, the joint metal fitting 5 and the gantry 1 is further strengthened.

According to the third aspect of the present invention, since the height adjustment plate 8 and the upright plate portion 19 that are fastened together by the fastening bolt 6 are configured to mesh with the concave and convex portions 8a and 19a, the gantry 1 Even when a large load is received, it is possible to provide a solid support and to reliably prevent the fastening bolt 6 from moving downward due to the load.

According to the fourth aspect of the present invention, since the gantry 1 includes the guide wall 25a that allows the joint metal fitting 5 to be slidably fitted in the X direction below the both side walls 25, 25, the base 1 When installing the gantry 1 on the metal fitting 4, it is easy to align the base metal fitting 4 by sliding the joint metal fitting 5. Since the gantry 1 is provided with a reinforcing wall 31 that connects the side wall portions 25 and 25 at the position above the guide wall 25a inside the hollow portion, the fastening bolt 6 strongly tightens the side walls 33 and 33 of the base metal fitting 4. Even if it clamps, the deformation | transformation and damage of the mount frame 1 are prevented suitably.

According to the fifth aspect of the present invention, the fixing bracket 11 is assembled to the upright bolt 9 constituting the fixing device 3 of the solar cell module M, and the fixing bracket 11 is attached to the upper walls 26, 26 inside the hollow of the gantry 1. Therefore, when the upright bolt 9 is fastened, the fixing metal 11 functions as a load-bearing metal and suitably supports the fastening force.

At this time, the fixing bracket 11 can be inserted into the hollow interior from an arbitrary portion of the opening 29 in the gantry 1 by matching the short side portion of the base plate 41 with the width W6 to the width W5 of the opening 29. After the insertion, since it is configured to be able to be locked to the lower surface of the upper wall 26 of the gantry 1 simply by rotating the substrate portion 41 by 90 degrees and pulling it up, the solar cell module M to be mounted The operation of installing the upright bolt 9 at a predetermined location where the end face faces is simple and easy.

And since the fall prevention means 43 which prevents the fixed metal fitting 11 from dropping is provided, even if the operator does not hold the fixed metal fitting 11 with fingers or the like, it is possible to proceed to the next work, making the work easy. And

According to the sixth aspect of the present invention, the fall prevention means 43 is constituted by the fitting means 47 between the locking walls 44, 44 of the fixing bracket 11 and the lip portions 30, 30 of the gantry 1. When the fixing bracket 11 and the gantry 1 are formed of an extruded material such as aluminum, the fitting means 47 can be easily provided, and the cost is not increased.

According to the seventh aspect of the present invention, the positioning metal fitting 12 placed on the upper wall 26 of the gantry 1 is provided by inserting the standing bolt 9, and the positioning metal fitting 12 prevents the standing bolt 9 from dropping. Therefore, even if the upright bolt 9 is not gripped with fingers, the upright bolt 9 does not fall and can proceed to the next work, thereby facilitating the work.

Moreover, since the positioning fitting 12 constitutes a positioning means for bringing the edge surfaces of the adjacent solar cell modules M and M into contact with each other, the cost can be reduced by reducing the number of parts.

Furthermore, according to the present invention described in claim 8, since the grounding means 73 is constituted by the wing portion 68 of the positioning fitting 12, it is possible to reduce the cost due to the reduction in the number of parts, and to the wing portion 68, Since the downward boss 72 that is locked to the upper wall 26 of the gantry 1 and the upward boss 71 that is locked to the bottom surface of the solar cell module M are provided, the grounding function can be reliably ensured.

It is a perspective view which shows the state which installed the solar cell module based on one Embodiment of this invention apparatus. It is a perspective view which shows the structural member of one Embodiment of this invention apparatus in an exploded state. The base metal fitting is shown, (A) is a perspective view of a base metal fitting, and (B) is a sectional view showing the state where it was fixed on the roof. It is a perspective view of a mount and a joint metal fitting. The method of attaching a mount frame to a base metal fitting using a joint metal fitting is shown, (A) is a perspective view in an exploded state, and (B) is a perspective view in an attached state. (A) is a cross-sectional view of a state where the mount is attached to the base metal fitting using a joint metal fitting, (B) is a perspective view showing the base metal fitting, fastening bolt and height adjustment plate in an exploded state, and (C) is a height adjustment. It is sectional drawing which shows a board and a base metal fitting in a fastening state. It is sectional drawing which shows the attachment state which made the base metal fitting located in the lowest vicinity when attaching a mount frame to a base metal fitting via a joint metal fitting. FIGS. 2A and 2B show a method of setting upright bolts on the gantry, wherein FIG. 2A is a perspective view of the upright bolts and the fixing bracket, and FIG. (A) is sectional drawing of the state which set the standing bolt to the mount based on the fall prevention means, (B) is sectional drawing which expands and shows one Example of a fall prevention means. The positioning bracket is shown, (A) is a plan view of the positioning bracket, (B) is a cross-sectional view taken along line AA, (C) is a cross-sectional view taken along line BB, (D) is a cross-sectional view taken along line CC, E) is a perspective view showing a method of attaching the positioning metal fitting and the holding metal fitting to the upright bolt provided on the gantry. It is sectional drawing which shows the state which fixed the solar cell module mounted in the mount frame with the pressing metal fitting. It is the DD sectional view of Drawing 11, and is a sectional view showing the part by the side of the eaves of the device of the present invention. It is the DD sectional view of Drawing 11, and is a sectional view showing the part on the ridge side of the device of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

[overall structure]
As shown in FIG. 1, the installation apparatus of a solar cell module includes a gantry constructing apparatus 2 that lays a gantry 1 arranged in the X direction on the roof at intervals in the Y direction intersecting the X direction, and Y A solar cell module M in the form of a panel is mounted on a gantry 1 and 1 adjacent to each other in the direction of installation, and a plurality of solar cell modules M and M are arranged in the X direction and the sun adjacent to the X direction. The fixing device 3 for fixing the edge of the battery module M to the gantry 1, the eaves-side fixing device 16 for fixing the eaves-side edge of the solar cell module M arranged on the eaves side, and the ridge side The ridge side fixing device 17 is provided to fix the ridge side edge of the solar cell module M to the gantry 1.

In the case of a roof having a downward slope from the ridge side toward the eaves side, the direction toward the downward slope is the X direction, and the right side in the figure is generally the ridge side and the left side is the eave side, However, the present invention is not limited to this, and a gantry may be constructed on a horizontal roof.

As shown in FIGS. 1 and 2, the gantry construction device 2 includes a base metal fitting 4 fixed on the roof corresponding to the installation position of the gantry 1, and a joint for attaching the gantry 1 to the base metal fitting 4. A metal fitting 5, a fastening bolt 6 and a nut 7, and a height adjusting plate 8 are included.

The fixing device 3 includes an upright bolt 9 attached to the gantry 1, a fixing metal 11 and a positioning metal 12 for attaching the upright bolt 9 to the gantry 1, and a presser for fixing the edge of the solar cell module M to the gantry 1. It consists of a metal fitting 13 and a nut 10.

The eaves side fixing device 16 includes a bolt 9A attached to the gantry 1, a fixing metal 11A for attaching the bolt 9A to the gantry 1, and an eave side presser for fixing the eaves side edge of the solar cell module M to the gantry 1. It is comprised by the metal fitting 14 and the nut 10A.

The ridge side fixing device 17 includes a bolt 9B attached to the gantry 1, a fixing bracket 11B for attaching the bolt 9B to the gantry 1, and a ridge side presser for fixing the ridge side edge of the solar cell module M to the gantry 1. It is comprised by the metal fitting 15 and the nut 10B.

In addition, the eaves side fixing device 16 and the ridge side fixing device 17 may use various configurations in addition to the configuration shown in the figure.

[Mounting equipment]
(Base bracket)
As shown in FIG. 3, the base metal fitting 4 constituting the gantry construction device 2 forms a pair of upright plate portions 19, 19 from the bottom plate portion 18, and is sandwiched by the vicinity of the upper end of the upright plate portions 19, 19. The portion 19a is constituted, for example, by a strip material obtained by cutting an extruded aluminum material or the like into a predetermined length, the fixing holes 20 and 21 are formed in the bottom plate portion 18, and the upright plate portions 19 and 19 are vertically moved. A guide hole 22 is formed so as to form at least one of the upright plates 19, and in the illustrated embodiment, the guide holes 22 are formed by grooves and ribs extending in the lateral direction on the outer surfaces of the pair of upright plates 19, 19. The uneven portions 19b are lined up and down.

The base metal fitting 4 is disposed at a position corresponding to the installation position of the gantry 1 with the groove formed between the pair of upright plate portions 19, 19 in the X direction, and the bottom plate portion 18 is fixed to the roof by the fixture 23. It is fixed on the top. In the case of the illustrated example, the fixing means 23 is constituted by screw means inserted into the fixing hole 20, but in the case of a tile roof, a bolt / nut fixed to a bracket formed integrally with the tile, The fixture 23 may be configured by bolts, nuts, and the like that are fixed to an arm or the like that is extended on a roof tile from a support fitting fixed to the base plate or the like.

In the case of the illustrated example, a thick portion 18 a is formed on the bottom plate portion 18 of the base metal fitting 4, and ribs 19 c are formed on the inner side surfaces of the upright plate portions 19 and 19.

(Base and joint bracket)
As shown in FIG. 4, the gantry 1 forms a long body formed hollow, for example, by an extruded aluminum material, and includes a bottom wall 24, side walls 25, 25, and an upper wall 26.

Both side walls 25, 25 of the gantry 1 have an outer dimension W2 that is substantially equal to the width dimension of the groove of the base metal fitting 4, that is, the inner dimension W1 of the pair of upright plate portions 19, 19, but 25, a guide wall 25a is formed so that W3 <W2 is formed by reducing the outer dimension W3, and a guide groove 27 extending in the longitudinal direction is provided at the upper end of the guide wall 25a. A guide rib 28 that is formed at the lower end of the guide wall 25a and projects downward from the bottom wall 24 is provided.

The upper wall 26 of the gantry 1 is provided with an opening 29 along the longitudinal direction, and a pair of lip portions 30, 30 bent downward from the upper wall 26 across the opening 29 are formed. A reinforcing wall 31 for connecting the side wall portions 25 and 25 at a position above the guide wall 25a is provided inside the hollow portion.

The joint bracket 5 has a pair of side walls 33 and 33 erected from the bottom wall 32, and the outer dimension W4 of the side walls 33 and 33 is W4 with respect to the inner dimension W1 of the base bracket 4. By forming so that ≦ W1, both side walls 33, 33 are configured to be freely fitted between the pair of upright plate portions 19, 19 of the base metal fitting 4. In the case of the illustrated example, the joint fitting 5 is made of a strip material obtained by cutting an extruded aluminum material or the like into a predetermined length, and is provided with sliding ribs 34 and sliding grooves 35 toward the inner sides of both side walls 33, 33. Yes. The sliding rib 34 is provided at the upper edge of the side walls 33, 33 and is slidably fitted into the guide groove 25 a of the gantry 1. The sliding groove 35 is formed by a rib having a substantially L-shaped cross section provided between the sliding rib 34 and the bottom wall 32 and slidably fits the sliding rib 34 of the gantry 1. As a result, the side walls 33, 33 of the joint fitting 5 constitute a clamping plate portion 36 by a portion located between the sliding rib 34 and the sliding groove 35, and between the sliding groove 35 and the bottom wall 32. The receiving plate portion 37 is configured by the portion located at the center, and support holes 38 and 38 penetrating the pair of receiving plate portions 37 and 37 are provided.

As shown in FIG. 5A, the fitting 5 is slidable on the guide wall 25a of the gantry 1 by fitting the sliding rib 34 and the guide groove 27, and the sliding groove 35 and the guide rib 28, respectively. The base metal fitting 4 is slid by sliding the joint metal fitting 5 in a state where the gantry 1 is arranged at the predetermined position with respect to the row of the base metal fittings 4 and 4 fixed and fixed at the predetermined position of the roof as described above. The fastening bolt 6 is inserted into the guide hole via the height adjusting plate 8 in a state where the support hole 38 of the joint metal fitting 5 is fitted to the guide hole 22 of the base metal fitting 4. 22 and the support hole 38, and the nut 7 is fastened to the insertion end, the joint fitting 5 is connected and fixed to the base fitting 4 as shown in FIG.

In this case, in the example shown in the figure, a screw hole 61a is formed in the extension 61 of the joint metal fitting 5, and the joint metal fitting 5 and the gantry 1 are connected by screwing the screw 61b into the gantry 1 through the screw hole 61a. Stick.

As shown in FIG. 6A, the fastening bolt 6 is inserted into the guide hole 22 and the support hole 38 in a state where the receiving plate portions 37 and 37 of the joint metal fitting 5 are fitted into the upright plate portions 19 and 19 of the base metal fitting 4. Then, the fastening bolt 6 is positioned along the lower side of the bottom wall 24 of the gantry 1. Therefore, when the upright plate portions 19, 19 are clamped by fastening the nut 7, the clamp portions 19 a, 19 a in the vicinity of the upper ends of the upright plate portions 19, 19 strengthen the clamp plate portions 36, 36 of the joint fitting 5. Since sandwiching is performed, the sandwiched clamping plate portions 36 and 36 are pressure-bonded to the guide walls 25a and 25a of the gantry 1, thereby firmly connecting the base metal fitting 4, the joint metal fitting 5, and the gantry 1 to each other.

Prior to fastening the nut 7, the fastening bolt 6 inserted through the upright plate portions 19, 19 and the receiving plate portions 37, 37 can be adjusted in the vertical direction along the guide holes 22, 22. It becomes possible to set the upper surface of 1 to a predetermined height position.

Height adjusting plates 8 and 8 are interposed between the head 6a of the fastening bolt 6 and the upright plate portion 19 and between the washer of the nut 7 (a nut when a double nut is configured) and the upright plate portion 19, respectively. As shown in FIGS. 6B and 6C, the height adjusting plate 8 has an insertion hole 39 for the fastening bolt 6 and an unevenness 8a that engages with the unevenness 19a of the upright plate portion 19. A holding claw 40 whose upper end portion is folded downward is provided, a part of the periphery of the head 6a of the fastening bolt 6 is held by the holding claw 40 of one height adjustment plate 8, and the other height The holding claw 40 of the adjustment plate 8 is configured to hold a part of the periphery of the washer (or nut). Therefore, when the fastening bolt 6 is inserted into the guide hole 22 and the support hole 38 and the nut 7 is fastened, the height adjustment plate 8 can be assembled and integrated.

The fastening bolt 6 inserted through the height adjusting plate 8, the upright plate portions 19 and 19 and the receiving plate portions 37 and 37 can be adjusted in the vertical position along the guide holes 22 and 22. When the nut 7 is fastened, the head 6 a of the fastening bolt 6 and the unevenness 8 a of the height adjusting plates 8 and 8 fastened together by the nut 7 are engaged with the unevenness 19 a of the upright plate portions 19 and 19. Thereby, even when the gantry 1 receives a large load, it is possible to support firmly, and the downward movement of the fastening bolt 6 due to the load is surely prevented.

In the case of the illustrated example, the fastening bolt 6 is constituted by a root angle bolt having a neck portion 6 b having a square cross section, and the insertion hole 39 of the height adjusting plate 8 and the guide hole 22 of the upright plate portion 19 of the base metal fitting 4. Is formed in a square shape that fits the neck portion 6b of the fastening bolt 6 in a non-rotatable manner.

With respect to the guide hole 22, the height of the fastening bolt 6 can be adjusted between the uppermost position in contact with the upper end of the guide hole 22 and the lowermost position in contact with the lower end. As shown in FIG. 7, when the fastening bolt 6 is positioned in the vicinity of the lower end of the guide hole 22, the joint fitting 5 and the gantry 1 are also relatively located at the same time, so when the nut 7 is fastened to the fastening bolt 6, In addition to sandwiching the sandwiching plate portions 36 and 36 of the joint bracket 5 by the upright plate portions 19 and 19, the sandwiching portions 19 a and 19 a at the upper end portion directly sandwich the both side walls 25 and 25 of the gantry 1. Therefore, the coupling of the base metal fitting 4, the joint metal fitting 5, and the gantry 1 is further strengthened. Accordingly, if the upright plate portions 19 and 19 of the base metal fitting 4 are formed so as to be taller than the case of the illustrated example, the fastening bolt 6 is positioned at the uppermost position as shown by a chain line in FIG. Even in this state, both side walls 25, 25 of the gantry 1 can be directly clamped.

(Installation of solar cell module)
As described above, after the bases 1 arranged in the X direction are arranged on the roof at intervals in the Y direction, the solar cell modules M are mounted on the bases 1 and 1 thus constructed.

[Fixing device]
The solar cell module M is mounted on the gantry 1 and 1 adjacent to each other in the Y direction, and the solar cell module adjacent to the X direction in a state where a plurality of solar cell modules M and M are arranged in the X direction. The edges of M and M are fixed to the gantry 1 by the fixing device 3.

As shown in FIGS. 1 and 2, the fixing device 3 includes a headed upright bolt 9 that extends upward through a head portion 9 a disposed in a hollow portion of the gantry 1 through the opening 29, and the upright bolt. 9, the fixing bracket 11 that locks the head 9 a in the hollow inside of the gantry 1, the positioning bracket 12 that is fixed to the upper wall 26 of the gantry 1 in a state where the erection bolt 9 is inserted, and the erection bolt 9 that is inserted The holding metal fitting 13 is engaged with the upper surface of the edge of the solar cell module M, and the nut 10 is used to fasten the holding metal fitting 13.

(Standing bolt and fixing bracket)
In the case of the illustrated example, the fixing bracket 11 for fixing the upright bolt 9 is constituted by a strip material obtained by cutting an extruded aluminum material or the like into a predetermined length, and as shown in FIG. A holding hole 42 through which the neck portion 9b of the upright bolt 9 is inserted is formed in a substantially rectangular substrate portion 41 having a long side portion, and the short side portion of the substrate portion 41 with respect to the width W5 of the opening 29 of the gantry 1 Are formed so that W5> W6, and the width W7 of the long side portion is formed so as to satisfy W5 <W7. Therefore, in a state where the upright bolt 9 is inserted into the holding hole 42, the short side portion of the substrate portion 41 having the width W6 is opened like the substrate portion denoted by reference numeral 41A in FIG. According to the width W5 of the portion 29, the fixing bracket 11 can be inserted into the hollow interior from an arbitrary portion of the opening 29 in the gantry 1. Therefore, when the solar cell module M is mounted at a predetermined position of the constructed gantry 1, the upright bolt 9 can be easily installed at a predetermined location where the end face of the solar cell module M faces.

After inserting the fixing bracket 11 into the hollow interior from the opening 29, by gripping the upright bolt 9, the substrate portion 41 is rotated 90 degrees like the substrate portion denoted by reference numeral 41B in FIG. A long side portion having a width W7 traverses the opening 29 and is supported by the lower surface of the upper wall 26 of the gantry 1. As a result, the fixing bracket 11 supports the upright bolt 9 inside the gantry 1, so that when the nut 10 is strongly tightened in a state where the pressing bracket 13 is locked to the upper surface of the edge of the solar cell module M as described later, The fixing metal 11 functions as a load-bearing metal and favorably supports the fastening force.

In the case of the illustrated example, the standing bolt 9 is constituted by a root angle bolt having a neck portion 9b having a square cross section, and the holding hole 42 of the fixing bracket 11 fits the neck portion 9b of the standing bolt 9 in a non-rotatable manner. A square hole is formed. The board portion 41 is provided with a holding claw 41a for holding the head portion 9a of the upright bolt 9 so that the fixing bracket 11 and the upright bolt 9 can be assembled and integrated. The standing bolt 9 is prevented from dropping from the board portion 41 in the state of being inserted into.

As shown in FIG. 9, in the state where the fixing bracket 11 is inserted into the hollow interior of the gantry 1 and is locked to the lower surface of the upper wall 26, the fall prevention block prevents the fixing bracket 11 from falling inside the hollow interior. Means 43 are provided.

The fall prevention means 43 is formed by locking walls 44, 44 erected from the short side portion of the substrate portion 41 of the fixture 11, and ribs 45 and grooves 46 formed on the lip portions 30, 30 of the mount 1. The fitting means 47 is comprised. Accordingly, when the fixing bracket 11 is inserted into the hollow interior of the gantry 1 as described above and the upright bolt 9 is pulled up with the locking walls 44, 44 facing the lip portions 30, 30, the rib 45 and the groove 46 are formed. By fixing, the fixing bracket 11 is fixed so as not to fall.

In the illustrated embodiment, the locking walls 44, 44 hold the lip portions 30, 30 and the rib 45 of the locking wall 44 is fitted into the groove 46 of the lip portion 30, but the rib 45 and the groove 46 are opposite to each other. It may be provided on the side. In the case of the illustrated example, the fitting state of the fitting means 47 is strongly formed and the fixing bracket 11 is difficult to slide along the lip portions 30 and 30, but it is easy to slide by forming the fitting state weakly. You may comprise so that it may become.

(Positioning bracket)
In a state where the upright bolt 9 is erected at a predetermined position of the gantry 1, the positioning bracket 12 is inserted through the upright bolt 9 and placed on the upper wall 26 of the gantry 1 as shown in FIG.

The positioning fitting 12 also has a function as the fall prevention means 65 of the upright bolt 9, and as shown in FIG.
A pair of positioning portions 67, 67 suspended from both side edges of the flat plate portion 66 and wing portions 68, 68 extending from the positioning portion to both sides are provided. An insertion hole 69 is provided in the flat plate portion 66. At the same time, a claw portion 70 that faces the insertion hole 69 is provided. In the case of the illustrated example, four claw portions 70 are formed around the insertion hole 69 by forming cross-shaped slots intersecting via the insertion hole 69, but the formation method and the number thereof are not limited. .

An upward boss 71 and a downward boss 72 are integrally formed on the wing portions 68 and 68 of the positioning fitting 12, and the ground means 73 is formed by forming the bosses 71 and 72 and the belt wing portion 68 with a conductive metal. Constitute. Therefore, as shown in FIG. 10E, while the upright bolt 9 is inserted through the insertion hole 69 of the positioning fitting 12, the blade 68 is moved downward until it comes into contact with the upper wall 26 of the gantry 1.

The positioning fitting 12 and the claw portion 70 are engaged with the thread of the standing bolt 9. If the positioning fitting 12 is pushed down so as to overcome the frictional resistance of the claw portion 70, it can be easily moved along the axis of the standing bolt 9. Move down. Then, with the wing 68 in contact with the upper wall 26, the claw 70 engages with the thread of the upright bolt 9, thereby preventing the upright bolt 9 from falling from the fixing bracket 11. It functions as the prevention means 65.

While the claw portion 70 is engaged, the positioning bracket 12 can rotate about the axis of the upright bolt 9, but the direction in which the wing portions 68, 68 cross the gantry 1 on both sides of the upright bolt 9 (that is, the Y direction). ), The downward boss 72 is locked and fixed to the upper wall 26.

Thereby, the solar cell module M mounted on the gantry 1 is positioned by bringing the end faces of the solar cell modules M, M adjacent in the X direction into contact with the positioning portion 67, and the adjacent solar cell modules M, M A joint space S is formed between the two.

(Presser bracket)
In a state where the solar cell module M is mounted on the gantry 1, as shown in FIGS. 10E and 11, the pressing metal 13 is locked to the upper surface of the edge of the solar cell module M, and the upright bolt 9 is pressed against the pressing metal 13. The solar cell module M is fixed to the gantry 1 by fastening the nut 10 in a state of being inserted into the base 1.

The presser fitting 13 forms a downward positioning piece 52 at the center of both ends of the upper plate portion 51 to be brought into contact with the upper surface of the edge of the adjacent solar cell modules M, M, and a bolt insertion hole 53 in the upper plate portion 51. Has been established. Therefore, by inserting the upright bolt 9 through the insertion hole 53 and allowing the positioning pieces 52 and 52 to enter the joint space S, the upper plate portion 51 is locked to the upper surface of the edge of the solar cell modules M and M. When the nut 10 is fastened to the insertion end of the upright bolt 9, the gantry 1 and the pressing metal 13 are fixed by clamping the edge of the solar cell module M on the constructed gantry.

Thereby, the upward boss 71 provided on the wing portion 68 of the positioning fitting 12 is locked to the bottom surface of the solar cell module M. As described above, the wing portion 68 constitutes the grounding means 73 having conductivity between the upward boss 71 locked to the solar cell module M and the downward boss 72 locked to the upper wall 26 of the gantry 1. As a result, the solar cell module M can be electrically grounded.

[Eaves-side gantry construction equipment]
In the above-described gantry construction device 2, the joint fitting 5 provided on the eaves side has an insertion hole 62 formed in the holding plate portions 36 and 36 in the extension portion 61, as shown in FIG. Then, a long hole 63 is formed in the guide wall 25 a of the gantry 1, a bolt 64 is inserted through the insertion hole 62 and the long hole 63, and a nut is fastened. The guide wall 25a is connected and fixed.

Thereby, for example, even when the gantry 1 has a downward slope toward the eave side with respect to the X direction and receives a large load along the downward slope by the mounted solar cell module M, the gantry 1 is displaced from the joint metal fitting 5. There is no danger of moving.

[Eave side fixing device]
As shown in FIG. 12, the eaves side fixing device 16 that fixes the eaves side edge of the solar cell module M arranged on the eaves side to the gantry 1 includes a bolt 9A attached to the gantry 1 and the bolt 9A. 11A, the eaves side pressing metal 14 for fixing the eaves side edge of the solar cell module M to the gantry 1, and the nut 10A.

The fixing bracket 11A constitutes a common part with the fixing bracket 11 of the standing bolt 9 described above, and is fixed to the hollow interior of the gantry 1 with the bolt 9A standing.

The eaves side holding metal fitting 14 includes a fixing plate portion 54a fixed to the upper wall 26 by the bolt 9A and the nut 10A, an upright plate portion 55a along the eave side end surface of the solar cell module M, and an edge of the solar cell module M. An upper plate portion 56a that holds the upper surface of the portion is provided.

[Eave side fixing device]
As shown in FIG. 13, the ridge side fixing device 17 that fixes the ridge side edge of the solar cell module M arranged on the ridge side to the gantry 1 includes a bolt 9B attached to the gantry 1 and the bolt 9B. The mounting bracket 11B is attached to the base 1, the ridge-side pressing bracket 15 that fixes the ridge-side edge of the solar cell module M to the gantry 1, and the nut 10B.

The fixing bracket 11B constitutes a common part with the fixing bracket 11 of the standing bolt 9 described above, and is fixed to the hollow interior of the gantry 1 with the bolt 9B standing.

The ridge-side pressing metal 15 constitutes a common part with the eaves-side pressing metal 14, and extends along the fixing plate portion 54 b fixed to the upper wall 26 by the bolt 9 </ b> B and the nut 10 </ b> B, and the end surface on the ridge side of the solar cell module M. An upright plate portion 55b and an upper plate portion 56b that holds the upper surface of the edge of the solar cell module M are provided.

[Finishing equipment]
As described above, after the solar cell modules M and M are mounted on the gantry 1 constructed by the gantry constructing device 2, and fixed by the fixing device 3, the eaves side fixing device 16 and the ridge side fixing device 17, Although not shown, a finishing device including a joint cover, an eaves side cover, a ridge side cover, and the like is provided.

M Solar cell module S Joint space 1 Base 2 Base construction device 3 Fixing device 4 Base bracket 5 Joint bracket 6 Fastening bolt 6a Head 6b Neck 7 Nut 8 Height adjusting plate 8a Concavity and convexity 9 Standing bolt 9a Head 9b Neck 10 Nut 11 Fixing bracket 12 Positioning bracket 13 Holding bracket 14 Eave side holding bracket 15 Building side holding bracket 16 Eave side fixing device 17 Building side fixing device 18 Bottom plate portion 18a Thick portion 19 Standing plate portion 19a Clamping portion 19b Uneven portion 19c Ribs 20, 21 Fixing hole 22 Guide hole 23 Fixing tool 24 Bottom wall 25 Both side walls 25a Guide wall 26 Top wall 27 Guide groove 28 Guide rib 29 Opening portion 30 Lip portion 31 Reinforcing wall 32 Bottom wall 33 Both side walls 34 Sliding rib 35 Sliding groove 36 Plate part 37 Receiving plate part 38 Support hole 39 Insertion hole 40 Holding claw 41 Substrate part 41a Holding claw 42 Holding hole 43 Fall prevention Means 44 Locking wall 45 Rib 46 Groove 47 Fitting means 51 Upper plate portion 52 Positioning piece 53 Insertion holes 54a and 54b Fixed plate portions 55a and 55b Standing plate portions 56a and 56b Upper plate portion 61 Extension portion 62 Insertion hole 63 Long hole 64 Bolt 65 Drop prevention means 66 Flat plate part 67 Positioning part 68 Wing part 69 Insertion hole 70 Claw part 71 Upward boss 72 Downward boss 73 Grounding means

Claims (8)

A gantry constructing device (2) arranged on the roof with an interval in the Y direction intersecting the X direction with a gantry (1) arranged in the X direction, and a solar cell module (M ) Is mounted in a erected shape, and a plurality of solar cell modules (M) (M) are arranged in the X direction, and the edge of the solar cell module adjacent to the X direction is fixed to the gantry (1). A fixing device (3)
The gantry construction device (2) includes a base metal fitting (4) having a pair of upright plate portions (19, 19) fixed on the roof corresponding to a planned installation position of the gantry and forming the groove in the X direction. When,
The mount (1) is constituted by a joint metal fitting (5) for connecting and supporting the base metal fitting (4).
The joint bracket (5) includes a pair of clamping plate portions (36, 36) that slidably hold both side walls (25, 25) of the gantry (1) and a bottom wall (24) of the gantry (1). A receiving plate portion (37, 37) extending downward from the pair of clamping plate portions (36, 36) and a support hole (38) penetrating the pair of receiving plate portions (37, 37). Prepared,
The base metal fitting (4) is provided with a guide hole (22) forming a long hole in the vertical direction in a pair of upright plate portions (19, 19), and in the vicinity of the upper end of the upright plate portion (19, 19). The sandwiching part (19a) is constituted by the part,
With the receiving plate part (37, 37) of the joint metal fitting (5) fitted in the upright plate part (19, 19) of the base metal fitting (4), The fastening bolt (6) is inserted into the guide hole (22, 22) and the support hole (38, 38) on the side, and the fastening bolt (6) is fastened at a predetermined position of the guide hole (22, 22). By sandwiching the upright plate portion (19, 19) and sandwiching the holding plate portion (36, 36) by the sandwiched portion (19a, 19a) of the upright plate portion, the holding plate portion (36, 36) A solar cell module installation apparatus, characterized in that 36) is configured to be crimped to both side walls (25, 25) of the gantry (1). In the state where the fastening bolt (6) is fastened, in addition to sandwiching the sandwiching plate portion (36, 36) of the joint bracket (5) by the upright plate portion (19, 19), sandwiching the upper end portion The solar cell module installation device according to claim 1, wherein the two side walls (25, 25) of the gantry (1) are directly sandwiched by the portions (19a, 19a). On the outer surface of at least one of the upright plate portions (19, 19) of the base metal fitting (4), unevenness (19b) formed by grooves and ribs extending in the lateral direction is arranged vertically and engaged with the unevenness. A height adjustment plate (8) that forms an unevenness (8a) and is provided with an insertion hole (39) for a fastening bolt (6) is attached to the outer surface of the upright plate portion (19), and the upright plate portion ( 19) and the height adjustment plate (8) are fastened together with the fastening bolt (6), and the concave and convex portions (19b) (8a) are engaged with each other, thereby preventing the fastening bolt (6) from being lowered. The solar cell module installation device according to claim 1, wherein the solar cell module installation device is provided. The gantry (1) comprises a guide wall (25a) for slidably fitting the joint fitting (5) in the X direction on the lower side of both side walls (25, 25), and the guide wall (25a) 4. The solar cell module installation device according to claim 1, wherein a reinforcing wall (31) for connecting both side walls (25, 25) at a position above is provided inside the hollow portion. 5. The gantry (1) is formed hollow and includes a pair of lip portions (30, 30) bent downward from the upper wall (26) across the opening (29) along the longitudinal direction,
The fixing device (3) includes a headed upright bolt (9) extending upward through the opening (29) from a head (9a) disposed inside the hollow of the gantry (1), A fixing bracket (11) for locking the head of the standing bolt to the hollow interior of the gantry and a pressing bracket (13) for locking to the upper surface of the edge of the solar cell module (M), the rising bolt (9) The nut (10) is configured to be fastened to the insertion end of the upright bolt in a state of being inserted through the presser fitting (13).
The fixing bracket (11) has a holding hole (42) through which the neck of the upright bolt is inserted in a substantially rectangular base plate (41) having a short side and a long side, and an opening (29 ) W5 of the short side portion of the substrate portion (41) is formed so that W5 ≧ W6, and the width W7 of the long side portion is formed such that W5 <W7. By making the posture across the opening (29), the substrate part (41) is configured to be freely inserted from the opening (29) toward the hollow interior of the gantry,
With the base plate portion (41) inserted into the hollow interior of the gantry, the fixing bracket (11) is rotated and pulled up so that the long side crosses the opening (29). And a fall prevention means (43) for preventing the fixing metal fitting (11) from dropping. Item 5. The solar cell module installation device according to Item 1, 2, 3 or 4. The fall prevention means (43) includes a locking wall (44, 44) standing from a short side portion of the substrate portion (41) in the fixing bracket (11), and a lip portion (30, 30) of the gantry (1). The solar cell module installation device according to claim 5, characterized in that it is constituted by fitting means (47) provided mutually. A positioning bracket (12) placed on the upper wall (26) of the gantry (1) by inserting the standing bolt (9) is provided,
The positioning bracket (12) includes a pair of positioning portions (67, 67) suspended from both side edges of a flat plate portion (66) provided with bolt insertion holes (69), and extends from the positioning portion to both sides. Equipped with wings (68) (68) installed,
By configuring the claw portion (70) provided in the insertion hole (69) to the thread of the upright bolt (9) to constitute the fall prevention means (65) of the upright bolt (9),
7. The solar cell module according to claim 5, wherein the positioning unit (67, 67) constitutes a positioning means for contacting an edge surface of the adjacent solar cell module (M) (M). 8. Installation equipment. The wings (68) and (68) of the positioning fitting (12) are locked to the downward boss (72) locked to the upper wall (26) of the gantry (1) and the bottom surface of the solar cell module (M). There is an upward boss (71),
8. The solar cell according to claim 7, wherein the wing portion (68) and the upward boss (71) and the downward boss (72) are formed of a conductive material to constitute a grounding means (73). Module installation equipment.

Images