JP4569827B2 - Joining structure between members and catwalk using the same - Google Patents

Description

  The present invention relates to a joining structure between members for projecting a beam material to a structural material and a catwalk using the same, and more specifically, for example, projecting a beam material on a wall surface of a structure such as a building, The present invention relates to a catwalk formed using a beam material.

  Generally, a narrow passage called a catwalk is provided along the wall surface on the outer wall or inner wall of a structure such as a building. Is going.

Such a catwalk has a structure in which a plurality of beam members are projected from a structural member, and a floor member is disposed on the plurality of beam members. In this case, as a joint structure between a beam material and a structural material, a structure in which the beam material and the structural material are firmly connected and fixed by a plurality of bolts via an attachment member is known (for example, see Patent Document 1). ).
Japanese Patent Laid-Open No. 8-11379 (paragraph number 0021, FIG. 1, FIG. 2, FIGS. 4 to 6)

  However, in the technique described in Japanese Patent Application Laid-Open No. 8-1113979, the mounting member interposed between the beam member and the structural member is attached by a plurality of bolts. When changing the projecting position of the beam material due to changes in design or etc., it is necessary to loosen or remove the bolts of the mounting members and adjust the position of the mounting members, and then reattach them with the bolts. There was a problem.

  This invention was made in view of the above circumstances, and it is an object to provide a joint structure between members capable of easily adjusting the mounting position of a beam material and a structural material, and a catwalk using the same. To do.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a joining structure between members, wherein the first member is a base material fixed to the second member and an adjustment material fixed to the base material. The width of the base material and the adjustment material in the height direction is larger than that of the first member, and the adjustment material includes the first insertion hole and the height in the height direction. A second insertion hole located outside the first member is provided, and the base material is provided with a recess in a region corresponding to the fixing portion of the adjustment material on the second member side, and the recess is provided in the recess. Is arranged in a state in which a nut screwed to the base material fixing bolt is prevented from rotating, and has a diameter larger than that of the second insertion hole at a position corresponding to the second insertion hole in the recess. 3 insertion holes are provided, and the first member fixing bolt is The adjustment member and the first member are fixed by screwing into the end of the first member from the second member side through the first insertion hole, and the base material fixing bolt is The adjustment member, the first member, and the base member are fixed so as to be adjustable in position by screwing into the nut from the first member side through the second insertion hole and the third insertion hole. It is characterized by that. In this case, it is preferable that the first member has a through hole at a position corresponding to the first insertion hole provided in the adjustment member in the cross section. In addition, the first member can be a beam material and the second member can be a structural material. The first member may be formed of a cantilever material (claim 4).

  With this configuration, in a state where the first member is attached to the adjustment material, the adjustment material is screwed onto the nut via the second insertion hole and the third insertion hole by the base material fixing bolt. The first member and the adjustment material can be fixed to the base material so that the position can be adjusted. In this case, the first member fixing bolt can be screwed into the through hole by providing the first member with a through hole at a position corresponding to the first insertion hole of the adjusting material. .

  The invention according to claim 5 is a plurality of beam members protruding from the structural material, a plurality of floor materials laid on these beam members, and a handrail erected on the protruding side end of the beam member. In the catwalk including the support column, the beam member is joined to a base member fixed to the structural member and an adjustment member fixed to the base member, and the height of the base member and the adjustment member is increased. The width in the vertical direction is larger than that of the beam member, and the adjustment member is provided with a first insertion hole and a second insertion hole located outside the beam member in the height direction, and the base The material is provided with a recess in a region corresponding to the fixing portion of the adjustment material on the structural material side, and a nut that is screwed with a base material fixing bolt is disposed in the recess in a state in which rotation is prevented. And corresponds to the second insertion hole in the recess. Is provided with a third insertion hole having a diameter larger than that of the second insertion hole, and the beam material fixing bolt is connected to the end of the beam material from the structural material side through the first insertion hole. The adjusting material and the beam material are fixed by screwing, and the base material fixing bolt is screwed to the nut from the beam material side via the second insertion hole and the third insertion hole, and The adjusting member, the beam member, and the base member are fixed so as to be adjustable in position. In this case, the beam member has a through hole at a position corresponding to the first insertion hole provided in the adjusting member, and a handrail column fixing bolt is formed in the through hole so as to be screwable. (Claim 6).

  With this configuration, in a state where the beam member is attached to the adjustment member, the adjustment member is screwed into the nut via the second insertion hole and the third insertion hole by the base member fixing bolt, and the base member Since the beam member and the adjustment member can be fixed to the member so as to be adjustable in position, the horizontal position of the floor material of the catwalk can be adjusted. In this case, a through hole is provided in the beam material at a position corresponding to the first insertion hole of the adjusting material, and a handrail support column is fixed to the protruding end of the beam material by screwing a handrail support column fixing bolt into the through hole. It can be fixed (claim 6).

  The invention according to claim 7 is characterized in that a support member is fixed to the upper surface of the beam member, and a side surface of the floor member is latched and supported by the support member. In this case, the support member includes an upper flange and a lower flange that are parallel to each other, and a vertical piece that connects the upper and lower flanges. The lower flange is fixed to the upper surface of the beam member, and the upper flange is adjacent to the upper flange. It is preferable to be inserted into a slit provided on each side surface of the flooring material.

  By comprising in this way, a flooring can be latched and supported by a support material, and can be reliably fixed to a beam material.

  Further, in the invention according to claim 9, the beam material is formed such that a concave groove is formed in the upper surface of the beam material, and a side surface of the flooring material is supported by a pair of ridges on both sides of the concave groove. Features.

  By comprising in this way, the load added to the flooring can be supported with a beam material via a protruding item | line.

  According to the present invention, the following excellent effects can be obtained.

  (1) According to the first aspect of the present invention, the width of the base material and the adjustment material in the height direction is formed larger than that of the first member, and the adjustment material is positioned outside the first member in the height direction. For fixing the base material screwed into the nut through the second insertion hole and the third insertion hole in a state where the first member and the adjustment material are connected by forming the second insertion hole Since the bolt can be easily loosened or removed, the attachment positions of the first member and the adjusting member can be easily adjusted.

  Further, by forming the third insertion hole provided in the base material to have a larger diameter than the second insertion hole provided in the adjustment material, the base material fixing bolt is attached when the adjustment material is attached to the base material. Since it can be moved within the three insertion holes, it is possible to easily adjust the mounting position of the adjusting material with respect to the base material.

  (2) According to the invention described in claim 2, the first member has a through hole at a position corresponding to the first insertion hole provided in the adjustment member in the cross section of the first member, and thus the first hole is utilized. Since the screw hole of the member fixing bolt 1 can be created, in addition to the above (1), the connecting operation of the first member and the adjusting material can be easily performed, and the first The weight of the member can be reduced.

  (3) According to the invention described in claim 5, the width of the base material and the adjusting material in the height direction is formed larger than that of the beam material, and the adjusting material has a second height located outside the beam material in the height direction. By forming the insertion hole, the base material fixing bolt that is screwed into the nut through the second insertion hole and the third insertion hole can be easily loosened in a state in which the beam member and the adjustment member are connected. Since it can be removed, it is possible to easily adjust the mounting positions of the beam member and the adjustment member.

  Further, by forming the third insertion hole with a diameter larger than that of the second insertion hole, the base material fixing bolt can be moved within the third insertion hole when the adjustment material is attached to the base material. Therefore, the adjustment member mounting position can be easily adjusted with respect to the base material.

  Therefore, even after the catwalk is attached to the structural material, the attachment position of the beam material can be easily adjusted.

  (4) According to the invention described in claim 6, the through hole is provided at a position corresponding to the first insertion hole provided in the beam material adjusting member, and the handrail support bolt is screwed into the through hole. Since it is possible to form screw holes for the beam material fixing bolt and the handrail post fixing bolt using the through hole, in addition to the above (3), the beam material and the handrail post Can be easily performed, and the weight of the beam can be reduced.

  (5) According to the invention of claim 7, the support material is fixed to the upper surface of the beam material, and the side surface of the floor material is locked and supported by the support material. The material can be securely fixed to the upper surface of the beam material, and the aesthetics can be improved.

  (6) According to the invention described in claim 8, the lower flange is fixed to the upper surface of the beam material by the support member comprising the upper flange and the lower flange which are parallel to each other and the vertical piece connecting the upper flange and the lower flange. In addition to the above (5), by further inserting the upper flange into the slit provided on each side surface of the adjacent flooring material, it is possible to facilitate the work of attaching the flooring material to the beam material. The connection between the material and the beam material can be strengthened.

  (7) According to the invention of claim 9, the groove is formed in the upper surface of the beam material in the longitudinal direction, and the side surface of the floor material is supported by the pair of ridges on both sides of the groove. Since the applied load can be supported by the beam material via the ridges, the floor material can be reliably supported by the beam material in addition to the above (3), (5), (6). .

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the best embodiment of the present invention will be described in detail with reference to the accompanying drawings.

  In the following description, a case will be described in which a joining structure between members in which the first member according to the present invention is a beam member and the second member is a structural member is used for a catwalk.

  FIG. 1 is a schematic perspective view showing a catwalk using a joining structure between members according to the present invention, and FIG. 2 is a cross-sectional view showing an attachment state of the catwalk using the joining structure between members according to the present invention. FIG. 3 is a cross-sectional view (a) showing a connecting structure of the base member, the adjusting member and the beam member in the present invention, and a cross-sectional view (b) taken along the line II of FIG.

  As shown in FIGS. 1 and 2, the catwalk C includes a plurality of beam members that are cantilever beams protruding from a structural material W that is an inner wall surface of a building or the like via an adjustment material 2 and a base material 3. 1, a plurality of (in this case, three) floor members 4 laid on the upper surfaces of the beam members 1 through first to third support members 51, 52, 53, and the projecting side ends of the beam members 1 This is mainly composed of a handrail support column 6 erected on the part, a handrail 7 supported laterally by the handrail support column 6, and a panel material P disposed between the handrail support columns 6.

  As shown in FIGS. 2 to 4, the beam member 1 is formed by a hollow pipe having a substantially rectangular cross section, and a through hole 10 is formed at a position corresponding to a first insertion hole 20 described later of the adjustment member 2. For example, it is formed of an extruded shape made of an aluminum alloy. In addition, a pair of ridges 11 extending upward from the side surface of the beam member 1 are formed in the upper surface portion of the beam member 1 in the longitudinal direction, and a concave groove 12 is formed by the pair of ridges 11. Yes. A support material fixing hole 13 for fixing the support material 5 is formed at an appropriate position at the bottom of the concave groove 12. Further, a notch portion 14 is provided in the ridge 11 at one end of the beam member 1, that is, an end portion on the side where the handrail support column 6 is attached. In addition, the middle part of the side surface of the beam member 1 is formed thinner than the other portions in order to reduce the weight of the beam member 1 and reduce the material.

  As shown in FIGS. 2, 3, and 5, the adjusting member 2 has a width substantially the same as that of the beam member 1 in the width direction, and is formed of a block body that is larger than the beam member 1 in the height direction. In addition, a first insertion hole 20 is formed at a position corresponding to the through hole 10 of the beam member 1, and a second insertion hole 21 is formed at a position outside the beam member 1 in the height direction. In this case, on the structural material W side of the first insertion hole 20 and the beam material 1 side of the second insertion hole 21, the first member fixing bolts inserted into the insertion holes 20, 21 are used. Large diameter step portions 20 a and 21 a for accommodating a certain beam material fixing bolt 80 (hereinafter referred to as a beam material fixing bolt 80) and a base material fixing bolt 81 are formed.

  In the beam member 1 and the adjustment member 2 formed as described above, the adjustment member 2 is disposed at one end of the beam member 1, and the beam member fixing bolt 80 is arranged from the large diameter step portion 20 a side of the first insertion hole 20. The adjusting material 2 can be attached to the beam material 1 by screwing into the through hole 10 of the beam material 1.

  As shown in FIGS. 2, 3, and 6, the base material 3 includes a pair of attachment portions 30 attached to the structural material W, and the adjustment material 2 provided between the attachment portions 30 on the structural material W side. Are formed integrally with a connecting portion 31 in which a recess 32 is formed in a region corresponding to the fixed portion, and is larger than the beam member 1 and the adjusting member 2 in the width direction and the height direction. Base material attachment holes 33 are formed in the upper and lower portions of the pair of attachment portions 30, and the base material 3 is attached to the structural material W by the base material attachment bolts 82 through the base material attachment holes 33. It has become. A third insertion hole 34 having a diameter larger than that of the second insertion hole 21 is provided at a position corresponding to the second insertion hole 21 in the recess 32 of the connecting portion 31. A nut 90 that is screwed into the base material fixing bolt 81 is disposed in the recess 32 in a state in which the rotation is prevented. As shown in FIGS. 3 and 6, the nut 90 is formed of, for example, a plate material that can be accommodated in the recess 32, and a screw hole 90 a is formed at a position corresponding to the second insertion hole 21 of the adjustment material 2. Has been.

  The base material 3 formed as described above is fixed to the structural material W by screwing the base material mounting bolt 82 into the structural material W through the base material mounting hole 33, and is connected to the connecting portion 31 of the base material 3. While arranging the adjusting material 2, the nut 90 is arranged in the recess 32 of the connecting portion 31, and the base material fixing bolt 81 is inserted from the large diameter step portion 21a side of the second insertion hole 21 of the adjusting material 2, The adjusting member 2 and the beam member 1 can be attached to the base member 3 by screwing into the nut 90 via the third insertion hole 34 of the base member 3. Further, since the third insertion hole 34 of the base material 3 is formed to have a larger diameter than the second insertion hole 21, the base material fixing bolt 81 can be moved in the third insertion hole 34, The attachment position of the adjustment material 2 attached to the base material 3 can be easily adjusted. In this case, the beam member 1 can be joined to the structural member W at an angle by adjusting the screwing amount of the upper and lower base member fixing bolts 81 into the nut 90. In the above description, the procedure for attaching the adjustment material 2 to the base material 3 in a state where the base material 3 is attached to the structural material W has been described. However, before the base material 3 is attached to the structural material W, the base material 3 and the adjustment material 2 may be connected.

  As shown in FIGS. 1, 2, and 8, the flooring 4 is formed of a long plate member having a substantially rectangular cross section, and is formed of, for example, a synthetic resin member. Further, slits 40 extend in the longitudinal direction at positions below both side surfaces of the flooring 4. A plurality of (in this case, three) flooring materials 4 formed in this way are laid on the upper surface of the beam material 1 via the first to third support members 51, 52, 53. It is supported by the ridges 11 of the beam material 1.

  As shown in FIG. 8, the first support member 51 is formed by an upper flange 51a and a lower flange 51b that are parallel to each other, and a vertical piece 51c that connects the central portions of the upper flange 51a and the lower flange 51b. Yes. Moreover, the recessed part 51d is formed in the upper surface of both sides of the lower flange 51b, and the fixing hole 51e is provided in the recessed part 51d. In addition, the fixing hole 51e provided in one recessed part 51d is formed in the taper shape which expands outward and inclines on the lower surface side of the lower flange 51b. Further, as shown in FIG. 3, the second support member 52 is formed of an upper flange 52a and a lower flange 52b that are parallel to each other, and a vertical piece 52c that connects the ends of the upper flange 52a and the lower flange 52b. Has been. A recess 52d is formed on the upper surface of the lower flange 52b, and a fixing hole 52e is provided in the recess 52d. Further, as shown in FIG. 7, the third support member 53 connects the upper flange 53a and the lower flange 53b that are parallel to each other, the ends of the upper flange 53a and the lower flange 53b, and the upper flange 53a. It is formed with a vertical flange 53c corresponding to a vertical piece formed to protrude upward from the upper surface. Further, a step 53d is formed at the lower end of the lower flange 53b, a floor mounting hole (not shown) is provided in the step 53d, and a fixing hole 53e is provided near the end of the vertical flange 53c. ing. The first to third support members 51, 52, and 53 are formed of an extruded shape made of, for example, an aluminum alloy.

  The first to third support members 51, 52, and 53 formed as described above are first formed with the second support member 52 in the state in which the vertical piece 52c and the adjustment member 2 are in contact with each other. The lower flange 52 b is fixed to the beam member 1 with a fixing screw 83, arranged in the concave groove 12. Next, the first support member 51 is attached to the floor member 4 with the upper flange 51 a inserted into the slit 40 on one side surface of the floor member 4, and the floor member 4 is attached to the other slit of the floor member 4. In the state where the upper flange 52a of the second support member 52 is inserted into the second support member 52, it is placed on the ridge 11 of the beam member 1. Then, the fixing screw 83 is screwed into the support material fixing hole 13 and fixed to the beam material 1 via the lower flange 51 b of the first support material 51 attached to one side surface of the floor material 4. Similarly, the flooring 4 in which the first supporting member 51 is attached to one side surface is the beam member in a state where the upper flange 51a of the first supporting member 51 is inserted into the other slit 40 of the flooring 4. The fixing screw 83 is screwed into the support material fixing hole 13 via the lower flange 51b of the first support material 51 attached to one side surface of the floor material 4 while being placed on the one ridge 11. Fix to beam 1 Next, the third support member 53 is attached in a state where the upper flange 53 a is inserted into the slit 40 on one side surface of the flooring 4, and the flooring 4 is placed in the other slit 40 of the flooring 4. The first support member 51 is placed on the ridge 11 of the beam member 1 with the upper flange 51a inserted. Then, by fixing the vertical flange 53c of the third supporting member 53 attached to one side surface of the flooring 4 to the handrail support column 6 with the fixing screw 83, the three floorings 4 are placed on the upper surface of the beam member 1. Can be laid.

  As shown in FIGS. 2 and 7, the handrail support 6 is formed of a hollow pipe member having a substantially rectangular cross section formed of, for example, an aluminum alloy extruded profile. At one end side of the handrail support column 6, that is, at the lower end, a support attachment hole 60 is formed at a position corresponding to the through hole 10 of the beam member 1 on the surface attached to the beam member 1. A bolt insertion hole 61 is bored at a position facing the column attachment hole 60 on the surface. Note that a lid 62 is attached to the lower end opening of the handrail support column 6, and a handrail support 63 for supporting the handrail 7 is attached to the upper opening. Moreover, the panel attachment tool 64 for attaching the said panel material P is attached to two vertical positions of the side surface of the handrail support | pillar 6. As shown in FIG.

  The handrail support 6 formed in this manner has a lower end disposed at the end of the beam member 1, and a handrail fixing bolt 84 is inserted into the hollow portion of the handrail support 6 from the bolt insertion hole 61, and the plate washer 91 is attached. The handrail support column 6 can be attached to the beam member 1 by screwing into the through hole 10 of the beam member 1.

  As shown in FIGS. 1 and 2, the handrail 7 is formed in a hollow pipe shape formed of, for example, a stainless steel member, and is attached to the handrail support 63 attached to the upper end opening of the handrail column 6. It is supported and fixed and attached to the handrail column 6.

  As shown in FIGS. 1 and 2, the panel material P is formed of a synthetic resin member such as a polycarbonate, for example, and is disposed between the handrail struts 6 and is attached to the handrail struts 6. It is attached to the tool 64 by a set screw 85.

  In the catwalk C formed as described above, in order to adjust the mounting position of the beam member 1, the second insertion of the adjustment member 2 is performed in a state where the beam member 1, the adjustment member 2, and the base member 3 are connected. The base material fixing bolt 81 screwed into the nut 90 from the hole 21 through the third insertion hole 34 of the base material 3 is loosened with a tool. Then, in this state, the adjusting member 2 and the beam member 1 are moved in conjunction with the base member fixing bolt 81 movable in the third insertion hole 34, the attachment position of the beam member 1 is adjusted, and the base again By tightening the material fixing bolt 81, the mounting position of the beam material 1 with respect to the base material 3 can be easily adjusted.

BRIEF DESCRIPTION OF THE DRAWINGS It is a whole perspective view which shows the joining structure of the members based on this invention, and the catwalk using the same. It is sectional drawing which shows the joining structure of the members which concern on this invention, and a catwalk using the same. It is sectional drawing (b) which follows the II line of (a) and (a) which shows the connection structure of the base material in this invention, an adjustment material, and a beam material. It is an expansion perspective view which shows the beam material in this invention. It is an expansion perspective view which shows the adjustment material in this invention. It is an expansion perspective view which shows the base material and nut in this invention. It is sectional drawing (b) which follows the II-II line of (a) and (a) which shows the connection part of the beam material and handrail support | pillar in this invention. It is an expanded sectional view which shows the connection structure of the beam material and flooring material in this invention. It is an expanded sectional view which follows the III-III line of FIG.

Explanation of symbols

C Catwalk W Structural material (second member)
1 Beam material (first member)
2 Adjustment material 3 Base material 4 Floor material 6 Handrail support column 10 Through hole 11 Rib 12 Groove 20 First insertion hole 21 Second insertion hole 32 Recess 34 Third insertion hole 40 Slit 51 First support material 52 Second support member 53 Third support member 51a, 52a, 53a Upper flange 51b, 52b, 53b Lower flange 51c, 52c Vertical piece 53c Vertical flange 80 Beam material fixing bolt (first member fixing bolt)
81 Base material fixing bolt 84 Handrail fixing bolt 90 Nut

Claims (9)

In the joining structure between members,
The first member is joined via a base material fixed to the second member and an adjustment material fixed to the base material,
The width in the height direction of the base material and the adjusting material is formed larger than the first member,
The adjustment member is provided with a first insertion hole and a second insertion hole located outside the first member in the height direction,
The base material is provided with a concave portion in a region corresponding to the fixing portion of the adjustment material on the second member side, and a nut screwed with the base material fixing bolt is prevented from rotating in the concave portion. And a third insertion hole having a larger diameter than the second insertion hole is provided at a position corresponding to the second insertion hole in the recess,
The first member fixing bolt is screwed into the end portion of the first member from the second member side through the first insertion hole to fix the adjustment member and the first member. ,
The base material fixing bolt is screwed into the nut from the first member side through the second insertion hole and the third insertion hole, and the adjustment material, the first member, and the base material are positioned. A member-to-member joining structure characterized by being fixed in an adjustable manner. In the joining structure of the members according to claim 1,
The first member has a through hole at a position corresponding to the first insertion hole provided in the adjusting member in a cross section thereof. In the joining structure of the members according to claim 1 or 2,
The joining structure of members, wherein the first member is a beam material and the second member is a structural material. In the joining structure of the members according to claim 3,
A joining structure between members, wherein the first member is a cantilever material. In a catwalk comprising a plurality of beam members protruding from a structural material, a plurality of floor members laid on these beam members, and a handrail support column erected on the protruding side end of the beam member,
The beam material is joined via a base material fixed to the structural material and an adjustment material fixed to the base material,
The width in the height direction of the base material and the adjustment material is formed larger than the beam material,
The adjustment member is provided with a first insertion hole and a second insertion hole located outside the beam material in the height direction,
The base material is provided with a recess in a region corresponding to the fixing position of the adjustment material on the structural material side, and a nut that is screwed with the base material fixing bolt is disposed in the recess in a state in which rotation is prevented. A third insertion hole having a diameter larger than that of the second insertion hole is provided at a position corresponding to the second insertion hole in the recess,
A beam material fixing bolt is screwed into an end portion of the beam material from the structural material side through the first insertion hole, and the adjustment material and the beam material are fixed.
A base material fixing bolt is screwed into the nut from the beam material side via the second insertion hole and the third insertion hole, and the adjustment material, the beam material, and the base material are fixed so that the position can be adjusted. A catwalk characterized by that. The catwalk according to claim 5, wherein
The beam member has a through hole at a position corresponding to the first insertion hole provided in the adjusting member, and a handrail support fixing bolt is formed in the through hole so as to be screwable. A catwalk characterized by The catwalk according to claim 5, wherein
A catwalk, wherein a support member is fixed to an upper surface of the beam member, and a side surface of the floor member is latched and supported by the support member. The catwalk according to claim 7,
The support member includes an upper flange and a lower flange that are parallel to each other, and a vertical piece that connects the upper and lower flanges,
The catwalk characterized in that the lower flange is fixed to the upper surface of the beam material, and the upper flange is inserted into a slit provided on each side surface of the adjacent flooring material. In the catwalk according to claim 5, 7 or 8,
The catwalk is characterized in that a concave groove is formed in the upper surface of the beam material in a longitudinal direction, and a side surface of the floor material is supported by a pair of ridges on both sides of the concave groove.

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