JP3878509B2 - Connection structure between main building and shed beam - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connection structure between a main building and a roof beam in a state of supporting a roof material in a state where the longitudinal end of the main building is placed on the upper surface of the roof beam.
[0002]
[Prior art]
Conventionally, in order to form a roof, a metal roof made of H-shaped steel or the like is used to assemble a structural roof, and a wooden purlin is attached to the upper surface of the roof. The roof is formed with good workability by driving and fixing. Generally, a purlin is composed of a prismatic material having a rectangular cross section. In some cases, the main building is constructed between the parallel beams. In such a case, as shown in FIG. 4, both ends of the main building 2 in the longitudinal direction are provided on the upper surfaces of the parallel beams 1 as shown in FIG. The fixing holes 17 formed in the longitudinal direction of the main building 2 are vertically aligned with the fixing holes 18 formed in the upper surface of the roof beam 1, and the fixing holes 17 and The main building 2 and the roof beam 1 are connected by inserting the bolt 15 through the fixing hole 18 and fastening a nut (not shown) to the tip of the bolt 15. In addition, 2 'in a figure is a main building mounted along the upper surface of the roof beam 1 as needed.
[0003]
[Problems to be solved by the invention]
By the way, since the connection construction work of the main building 2 and the roof beam 1 is a construction work at a high place, the quality of workability greatly affects the increase and decrease of the burden on the installer. In the connection construction work between the main roof 2 and the roof beam 1 described above, the purlin 2 placed on the upper surface of the roof beam 1 covers the fixing hole 18 on the upper surface of the roof beam 1, so that the installer can fix the roof beam 1. The alignment work between the fixing hole 17 and the fixing hole 18 in a state where the position of the hole 18 cannot be seen is forced, and the bolt 15 and the nut for fixing the purlin 2 and the roof beam 1 are fastened. Since it is required to use both hands for the work, the builder cannot support the posture with his hands during this work. The connection work between the main building 2 and the roof beam 1 is In addition to its poor nature and danger, it was a construction work that put a heavy burden on the installer. Therefore, in the connection construction work of the main building 2 to the roof beam 1, improvement in the workability is eagerly desired.
[0004]
This invention is made | formed in view of said point, and makes it a subject to provide the connection structure of the main building and a roof beam which can aim at the improvement of workability and can reduce the burden on a builder.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the purlin and shed connecting structure according to the present invention is a main shed and shed connected by connecting the longitudinal end of the wooden purlin 2 to the upper surface of the metal shed 1. In the connection structure with the beam, the vertical projecting piece 3 having the through-hole 7 protrudes from the side surface of the shed beam 1 at a substantially right angle, and the slit is opened at the end portion in the longitudinal direction of the purlin 2 and at the end surface and the upper and lower surfaces. 5 and a pin insertion hole 8 penetrating the both sides of the purlin 2 through the slit 5 to form a recessed step portion 6 that is notched downward at the lower end of the longitudinal end of the purlin 2. The corner 6a of the concave step 6 is aligned with the upper corner 1a ₂ which is the side edge of the upper surface of the roof beam 1, and the longitudinal end of the purlin 2 is placed on the upper surface of the roof beam 1 so that The piece 3 is inserted into the slit 5 to allow the through hole 7 and the pin insertion hole 8 to communicate with each other. 10 was pressed, characterized in that connecting the purlins 2 and tie beam 1. According to this, the positioning operation of the purlin 2 to the shed beam 1 is performed by aligning the corner 6a of the concave step portion 6 of the purlin 2 with the upper corner 1a ₂ of the shed 1 and the vertical protrusion 3 with the slit 5 of the purlin 2 By inserting into the main beam 2, the work of fixing the main building 2 to the roof beam 1 can be performed through the through-hole of the vertical protruding piece 3 communicating with the vertical protruding piece 3 inserted into the slit 5 of the main building 2. 7 and the pin insertion hole 8 of the main building 2 can be simply press-fitted, and the workability of the connection work to the roof beam 1 of the main building 2 can be improved and the burden on the installer can be reduced. .
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.
[0007]
An example of an embodiment of the present invention is shown in FIGS.
[0008]
The roof structure that supports the roof can be assembled with a metal roof beam 1. In order to attach the roofing material to this roof structure at any position with good workability, a wooden purlin 2 is appropriately attached to the upper surface of the roof beam 1. The roof material is attached to an arbitrary position of the main building 2 by attachment. In the purlin 2, when the main building 2 is installed between the juxtaposed shed beams 1 by placing both ends of the main building 2 in the longitudinal direction on the upper surface of the shed beams 1. There is. The present invention relates to a connection structure between the purlin 2 and the shed 1 when the purlin 2 is installed between the shed beams 1 described above. Details will be described below.
[0009]
The shed beam 1 is made of a metal H-section having a substantially H-shaped cross section. That is, in the shed beam 1, the upper flange piece 1a is positioned on the upper side, the lower flange piece 1b is positioned on the lower side, and the web portion 1c that connects the upper flange piece 1a and the lower flange piece 1b is formed. It is formed to stand substantially vertically. The web portion 1c has a fixing hole 11 penetrating therethrough.
[0010]
The purlin 2 is made of a wooden prismatic material having a rectangular cross section. Recessed stepped portions 6 are formed in the lower part of both ends of the main building 2 in the longitudinal direction. The recessed step portion 6 is formed over the width direction of the purlin 2. Further, at both ends in the longitudinal direction of the purlin 2, slits 5 that are cut from the end face in the longitudinal direction of the purlin 2 toward the center are formed in the central portion in the width direction of the purlin 2. Yes. The slit 5 is formed so as to lie up and down the main building 2. That is, the slits 5 are opened on the end surface and the upper and lower surfaces in the longitudinal direction of the main building 2. Further, pin insertion holes 8 that pass through both sides of the purlin 2 through the slit 5 are provided at both ends in the longitudinal direction of the purlin 2. Note that two types of purlins 2 having different vertical height dimensions are used for the purlin 2 of this example, and the pin insertion holes 8 are formed at two locations on the upper and lower sides of the main purlin 2a having a long vertical height dimension. And the pin insertion hole 8 is formed in one place in the main building 2b whose vertical height is short.
[0011]
The main building 2 is installed between the side beams 1 arranged side by side. In this example, the main building 2 is carried out via a mounting aid 4 attached to the web portion 1c of the roof beam 1. This mounting aid 4 is composed of a vertical plate piece 12 fixed along the vertical surface of the web portion 1c of the shed beam 1 and a vertical projection piece 3 protruding substantially perpendicularly from the vertical plate piece 12. It is a metal member having a T shape when viewed from above. The vertical projecting piece 3 is formed such that its upper end position is located above the vertical plate piece 12, and the upper part of the vertical projecting piece 3 has an upper and A cutout 13 is formed on the vertical plate piece 12 side. Due to the notch 13, the vertical protrusion 3 is formed into a substantially L-shaped plate in front view. The vertical protrusions 3 are provided with through-holes 7 at two upper and lower portions, and the vertical plate pieces 12 are provided with fixing holes 14 on the left and right sides of the vertical protrusion 3.
[0012]
In order to attach the attachment aid 4 to the roof beam 1, the attachment aid 4 is approached from below the upper flange piece 1a of the roof beam 1, and the corner beam 13a of the notch 13 of the vertical projection piece 3 is placed on the corner beam 13a. The lower corner portion 1a ₁ formed by the lower surface of the upper flange piece 1a and the side edge surface is aligned, the vertical plate piece 12 is placed along the vertical surface of the web portion 1c of the roof beam 1, and the fixing hole 14 of the vertical plate piece 12 and the web This is performed by aligning the position of the portion 1c with the fixing hole 11, and inserting the bolt 15 into the fixing hole 14 and the fixing hole 11 for fastening. In addition, it is preferable that the attachment of the attachment auxiliary tool 4 to the shed beam 1 is performed in advance at a factory or the like, not at the construction site.
[0013]
In a state in which the attachment auxiliary tool 4 is attached to the roof beam 1, the vertical protruding piece 3 of the attachment auxiliary tool 4 protrudes from the side surface of the roof beam 1 at a substantially right angle so as to face the longitudinal direction of the roof beam 1. . Note that the attachment aid 4 is attached to the shed beam 1 at a position opposite to the shed beam 1 arranged in parallel. At this time, the shed beam in which the vertical protrusions 3 of the respective attachment aids 4 are arranged in parallel. It will be in the state which protruded so that it might face between 1.
[0014]
After the attachment auxiliary tool 4 is attached to the shed beam 1, the main building 2 is installed between the shed beams 1 arranged side by side at the construction site. This is performed by first temporarily fixing the purlin 2 at a predetermined position between the shed beams 1 and then fixing the purlin 2 to the shed beams 1 by permanent fixing. In order to temporarily fix the purlin 2 between the shed beams 1 arranged side by side, the purlin 2 is approached from above between a pair of opposing mounting assisting tools 4, and the vertical protruding piece of the mounting assisting tool 4 is placed in the slit 5 of the purlin 2. 3, the corner 6 a of the recessed step 6 of the purlin ₂ is aligned with the upper corner 1 a ₂ formed by the upper surface of the upper flange piece 1 a of the roof beam 1 and the side edge surface, and both ends in the longitudinal direction of the purlin 2 This is performed by placing the portions on the upper surface of the upper flange piece 1a of the shed beam 1, respectively. That is, in the purlin 2 installed between the parallel shed beams 1, the pair of upper flange pieces 1 a, 1 a are fitted into the both concave stepped portions 6, 6, so that the parallel shed beams 1 The main building 2 is temporarily fixed between the shed beams 1 arranged side by side.
[0015]
The temporary fixing of the main building 2 between the shed beams 1 described above is temporary fixing with positioning. That is, by inserting the vertical protrusion 3 of the mounting aid 4 into the slit 5 of the main building 2, the main building 2 can be accurately and quickly arranged at a predetermined position in the longitudinal direction of the roof beam 1, Since the upper corner 1a ₂ of the upper flange piece 1a of the roof beam 1 is aligned with the corner 6a of the concave step 6 of the main house 2, the main house 2 is sandwiched between the pair of upper flange pieces 1a. The purlin 2 can be accurately and promptly arranged at a predetermined position in the opposite direction of the beam 1. As described above, when the purlin 2 is temporarily fixed between the roof beams 1, the through hole 7 of the vertical protrusion 3 and the pin insertion hole 8 of the purlin 2 are in communication with each other.
[0016]
As described above, the temporarily fixed main building 2 is permanently fixed to the roof beam 1, and this is performed by inserting a pin 10 into the through hole 7 and the pin insertion hole 8 that are in communication. In this example, as the pin 10, as shown in FIG. 3, a pin provided with a friction portion 9 on its outer peripheral surface is used. More specifically, the pin 10 is mainly composed of a head portion 10a hit by a tool such as a hammer and a shaft portion 10b having substantially the same diameter as the inner diameter of the pin insertion hole 8 or the through hole 7. A tapered portion 16 whose shaft diameter decreases toward the distal end is provided at the distal end portion of the shaft portion 10b, and a friction portion 9 whose surface is roughened by knurling is provided at the proximal end portion of the shaft portion 10b. This is a characteristic. In order to insert the pin 10 into the pin insertion hole 8 or the through hole 7, the head portion 10a is hit with a tool such as a hammer so that the shaft portion 10b is press-fitted into the pin insertion hole 8 or the through hole 7. Is called. In this work, first, the pin 10 is lightly pushed into the pin insertion hole 8 with one hand, and the posture is supported with one hand and a tool such as a hammer is held with the other hand, and the pin lightly inserted into the pin insertion hole 8 10 heads 10 a are hit with a tool, and the pin 10 is press-fitted into the pin insertion hole 8 or the through hole 7. It is easy to push the pin 10 lightly into the pin insertion hole 8 by hand by providing the tapered portion 16 at the tip portion of the shaft portion 10b, and press-fit the shaft portion 10b into the pin insertion hole 8. When this is done, the friction portion 9 bites into the inner peripheral surface of the pin insertion hole 8 of the wooden purlin 2 and prevents the pin 10 from coming out of the pin insertion hole 8 or the through hole 7 and the vertical protruding piece. 3 and the purlin 2 and by extension, the roof beam 1 and the purlin 2 are firmly fixed.
[0017]
As described above, the connection construction of the purlin 2 to the roof beam 1 can perform positioning work in the temporary fixing accurately and promptly. Also, the final fixing after the temporary fixing is performed through the through hole 7 of the pin 10 and the pin insertion. Since it can be performed easily and promptly by press-fitting work into the hole 8, the workability for connecting the purlin 2 to the shed beam 1 is good, and the connection between the purlin 2 and the shed beam 1 performed at a high place is good. The burden on the installer in connection construction can be greatly reduced, and the construction speed can be increased and the occurrence of construction errors can be reduced.
[0018]
【The invention's effect】
As described above, in the invention according to the first aspect of the present invention, the connecting structure between the purlin and the shed beam in which the longitudinal end portion of the wooden purlin is connected to the upper surface of the metal shed beam is connected. In this case, a vertical projecting piece having a through-hole is provided so as to project at a substantially right angle from the side surface of the roof beam, and a slit that opens to the end face and the top and bottom faces of the longitudinal direction of the purlin is formed through the slit. Pin insertion holes that penetrate both sides of the purlin are drilled, and a concave step is formed in the lower part of the longitudinal end of the purlin. The concave step is formed on the upper side of the roof beam. The end of the main building in the longitudinal direction is placed on the upper surface of the roof beam to match the upper corner, which is the edge, and the vertical protrusion is inserted into the slit to connect the through hole and the pin insertion hole. Pins are press-fitted into the holes and pin insertion holes to connect the purlin to the shed beam. Can be done accurately and promptly by aligning the corner of the concave step of the purlin with the upper corner of the roof beam, and inserting the vertical projection piece previously attached to the roof beam into the slit of the purlin. The fixing work of the purlin to the roof beam can be performed simply by press-fitting the pin into the through hole of the vertical protrusion piece and the pin insertion hole of the purlin that are in communication with the vertical protrusion piece inserted into the slit of the purlin. In addition to improving the workability of connecting work to the roof beams of the main building, the burden on the installer can be greatly reduced.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a cabin structure showing an example of an embodiment of the present invention.
FIG. 2 is a side cross-sectional view of a connecting portion between the roof beam and the main building of the same.
FIG. 3 is a front view of the pin of the above.
FIG. 4 is an exploded perspective view of a prior art cabin assembly.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hut beam 2 Purlin 3 Vertical protrusion 4 Attachment auxiliary tool 5 Slit 6 Recessed step part 7 Through hole 8 Pin insertion hole 9 Friction part 10 Pin 13 Notch

Claims (1)

In the connection structure between the main building and the shed beam, where the longitudinal end of the wooden shed is connected to the upper surface of the metal shed beam, the vertical projecting piece with a through hole is made substantially perpendicular to the side surface of the shed beam. Protruding and forming slits that open at the end face and the top and bottom faces at the longitudinal end of the purlin and drilling pin insertion holes that penetrate both sides of the purlin through this slit. A concave stepped portion is formed at the bottom of the direction end, and the corner of the concave step is aligned with the upper corner, which is the side edge of the upper surface of the shed beam, and the longitudinal end of the main building is shed. Installed on the upper surface of the beam, insert the vertical protrusion into the slit to connect the through hole and the pin insertion hole, press the pin into this through hole and pin insertion hole, and connect the main building and the shed beam The connection structure between the main house and the roof beam, which is characterized by

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