JPH081100B2 - Construction method and equipment for temporary gantry - Google Patents

Description

The present invention relates to a method for constructing a heavy temporary gantry and its apparatus.

“Prior art” In the conventional heavy temporary gantry with vise-utilized connecting fittings, as shown in Fig. 11, when horizontally arranging a U-shaped or H-shaped horizontal section between vertical columns made of H-section steel, It was possible to support the members to each other orthogonally in an L-shape or a T-shape on the outside of the vertical pillar. However, as shown in FIG. 11, it is preferable that the vertical columns have two rows, but if the number of rows is three or more, it is necessary to cross the horizontal members outside the vertical columns in a cross shape.
Not only is it difficult to deal with standing columns of more than rows, but there is also the problem that it is difficult to make horizontal profiles cross the upper and lower stages in contact with one standing column, and it is difficult to strongly join the standing columns, resulting in a lack of safety.

Further, there is a problem in that it is difficult to attach the brace along the three perpendicular planes of the upright mutually orthogonal planes and the horizontal plane with the conventional single vise connection fitting.

[Problems to be Solved by the Invention] The present invention is a method and apparatus for cross-supporting horizontal shape members in a cross shape in upper and lower steps by face-to-face contact with the outer surface of a vertical column by means of a vise connection fitting. 3 orthogonal to the vise connection fitting
The purpose is to obtain a device for mounting a brace along a plane.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention integrally connects a receiving plate orthogonal to the groove to one end of the groove-shaped metal fitting, and the notch groove along the groove of the metal fitting in the receiving plate. Using a plurality of connecting metal fittings that are formed upwards and downwards, insert the flange of the vertical column made of shaped steel into the groove and the notch groove, and insert bolts from both outsides of the groove metal fitting in the groove in opposite directions. Screw it into the flange and clamp both side surfaces of the flange by the tip of the bolt to fasten the upward and downward connecting fittings to the flange, and to secure the upward and downward receiving plates of these connecting fittings to each other. Holding a U-shaped profile that intersects the upper and lower tiers in the lateral direction, the main body back surfaces of the upper and lower tiered crossed U-shaped profiles are respectively in contact with the vertical columns, and the upper and lower overlapping flanges of the upper and lower tiered crossed U-shaped structs, To clamp the upward and downward receiving plates and the flange of the crossed U-shaped section that overlaps with a vise Therefore, the method for constructing a temporary throat base characterized by supporting the cross-shaped section on the vertical column. The method for constructing a temporary gantry according to the first aspect of the present invention, wherein an H-section is used instead of the co-section. A receiving plate is integrally connected to one end of the metal fitting, the receiving plate is formed with a notch groove along the groove of the metal fitting, and bolts are screwed into the groove in opposite directions from both outsides of the metal fitting to form the notch. Reinforcing plates that are orthogonal to the groove and the receiving plate are provided on both sides of the groove-shaped metal fitting, and arms are projected from the other end of the groove-shaped metal fitting along the back surface of the metal fitting.
A construction device for a temporary gantry in which a bolt hole perpendicular to the direction of the groove is formed in the tip of the arm, and bolt holes are formed in both sides of the reinforcing plate and the receiving plate. Construction device for temporary gantry according to the third invention, which is equipped with a vise that holds a flange of a U-shaped member. Construction device for temporary gantry according to the fourth invention, which is an H-shaped member instead of the U-shaped member. The construction device for a temporary gantry according to the fourth aspect of the present invention, which is an L-shaped member instead of the U-shaped member, is screwed into a screw hole on a common center line provided at both ends of the C-shaped metal fitting, and the bolt is screwed into the screw hole. Construction device for temporary gantry according to each of the fourth, fifth, and sixth inventions that sandwiches a receiving plate and a flange between them. Construction device for a temporary gantry according to the seventh invention, in which projecting blades are provided on opposite end faces of bolts. A protrusion is provided at the center of the C-shaped metal fitting, and a central bolt hole on the common center line is bored in the protrusion, The construction device for the temporary gantry according to the seventh or eighth invention, wherein the head and the tip of the central bolt inserted into the hole are opposed to the tips of the bolts screwed into the screw holes at both ends. The construction device for a temporary gantry according to the ninth invention, which is formed so as to match the bolt hole of the receiving plate with the central bolt hole. The eighth and ninth embodiments, in which the central bolt hole is replaced by a central screw hole.
The construction device for a temporary gantry described above is constructed by the construction device for a temporary gantry according to the ninth and tenth aspects of the present invention, in which a projecting blade is provided on the head and tip screw nuts of the central bolt.

"Operation" Therefore, the flanges 7 of the uprights 6 are inserted into the grooves 3 of the groove-shaped fitting 1 and the notch grooves 4 of the receiving plate 2, and the bolts 9
By screwing 9 in opposite directions and holding both sides of the flange 7, two connecting fittings 5 and 5 can be fixed to the flange 7 of the upright 6 upward and downward. Then, as shown in FIG. 1 and FIG.
As shown in the drawing, the horizontal U-shaped members 11, 11 can be held in two steps in a cross shape along the outer surface of the upright pillar 6. The cross-shaped U-shaped members 11 and 11 sandwich the flanges 8 and 8 which are contact-polymerized with each other with a vise 13, and the lower flanges of the upward receiving plate 2 and the lower U-shaped member 11. 8 and 8 are clamped by a vise 13, and further, the downward receiving plate 2 and the upper flange 8 of the U-shaped member 11 on the upper stage are clamped by a vise 13 so that the cross-shaped cross members 11, 11 are one. It is fixed to the upright pillar 6 by the force of the connecting fittings 5 and 5 and the vise 13, 13, 13. Above U-shaped profile 11, 11
Alternatively, the H-shaped section 12 may be used instead. And the first
As shown in Fig. 2 and Fig. 2, the back of the main body of the U-shaped profile 11 in the upper stage is in surface contact with the tips of the two vertical flanges 7 and 7 of the vertical column 6, and the U-shaped profile 11 in the lower stage is the back side of the main unit. Makes surface contact with the side surface of the flange 7 of the upright pillar 6. Also, as shown in Fig. 12, U-shaped material
H-shaped material can be used instead of 11, but the lower H-shaped
The two horizontal flanges of the profile contact the side surfaces of the flanges 7 and 7 of the vertical column 6, but the two horizontal flanges of the H profile in the upper row are the tips of the two vertical flanges 7 and 7 of the vertical column 6. In the upper stage, the flanges 7 and 7 of the vertical column and the horizontal flange of the horizontal member (H-shaped steel) are in contact, and the horizontal flange of the horizontal H-shaped steel in the lower stage and the side faces of the flanges 7 and 7 of the vertical column 6 are in contact. Then the frictional force becomes large.

Also, one connecting fitting 5 is used, which is fixed to the flange 7 of the upright pillar 6 as described above, and the upper and lower surfaces of the receiving plate 2 are orthogonal to each other as shown by phantom lines in FIGS. 3 and 8. Section material 19, 19
The horizontal cross-shaped L-shaped members 19, 19 are fastened to the uprights 6 by overlapping the flanges 19 ', 19' of FIG. 1 and holding the flanges 19 ', 19' and the receiving plate 2 with a vise 13. be able to.

The flange 7 of the upright 6 is vertical, the receiving plate 2 of the connecting fitting 5 fixed to the flange 7 is horizontal, and the reinforcing plate 14 is
Is vertical and orthogonal to the flange 7, and the arm 15 is also vertical and parallel to the flange 7. Therefore, one end of the horizontal brace is bolted to the bolt hole 18 formed in the receiving plate 2 for reinforcement. One end of a vertical brace 28 is bolted to the bolt hole 17 of the plate 14, and the vertical brace is attached to the bolt hole 16 of the arm 15.
One end of a vertical brace 29 orthogonal to 28 can be bolted. That is, the braces respectively arranged in the three orthogonal planes can be connected to one connecting fitting 5. Then, two braces 29, 29 can be provided at opposite ends (symmetrical direction) of the bolt 30 inserted through the bolt hole 16 of the arm 15 (the state is shown in FIG. 2).

In the vise 13 shown in FIG.
Projecting blades 2 on the end faces of bolts 10 and 10 facing 2 and 22, respectively
Flange 1 of L-shaped members 19 and 19 which are mutually orthogonal between 2 and 22
9'and 19 'can be held and the shape members 19 can be fixed to both sides of the receiving plate 2.

[Example] A square support plate 2 orthogonal to the metal fitting 1 is integrally provided at one end of the groove-shaped metal fitting 1, and bolt holes 18 are formed at four corners of the support plate 2.
Then, the receiving plate 2 is provided with a notch groove 4 along the groove 3 of the metal fitting 1.
To form the connection fitting 5 and screw the bolts 9 and 9 into the straight screw holes 9 ′ and 9 ′ formed on both outsides of the groove-shaped fitting 1 from the outside toward the groove 3 in the opposite direction. . Reinforcing plates 14 which are orthogonal to the receiving plate 2 and the cutout grooves 4 are provided on the receiving plate 2 on both sides of the back surface of the groove-shaped metal fitting 1, and the other end of the groove-shaped metal fitting 1 extends along the back surface of the metal fitting 1. The arm 15 is projected in the direction of the groove 3.
Bolt holes 16 perpendicular to the direction of the groove 3 are formed at the tip of the arm 15, and bolt holes are also formed at both sides of the reinforcing plate 14.
Drill 17 and 17. The above-mentioned receiving plate 2 is included in the device thus constructed.
And the U-shaped profile 11, H-shaped profile 12 or L-shaped profile 19 that is in contact with this
It has a vise 13 for holding the flanges 8 and 19 '. The vise 13 is formed by screwing bolts 10 and 10 into screw holes 10 'and 10' provided on the common center line provided at both ends of the C-shaped metal fitting 20. The vise 13 projects to the opposite end faces of the bolts 10 and 10. Blades 22, 22 are provided. Further, a protrusion 23 is provided at the center of the C-shaped metal fitting 20, and the protrusion 23
A central bolt hole 18 on the common center line in the
The head portion and the tip portion of the central bolt 25 inserted in 18 are opposed to the tip portions of the bolts 10 screwed into the both-end screw holes 10 '. The head of the central bolt 25 and the tip portion or the threaded nut 27 of the tip portion are provided with a projecting blade 22, the receiving plate insertion groove 26 is formed in the projection 23, and the bolt hole 18 of the receiving plate 2 and the central bolt hole 24 are formed. To match.

In the present invention, a plurality of the above-mentioned connecting fittings 5 are used upward and downward, and the flanges 7 of the vertical columns 6 made of H-shaped steel are inserted into the above-mentioned grooves 3 and the notch grooves 4 so that the above-mentioned groove fittings are provided from both outer sides of the above-mentioned groove-like fittings 1. Three
The upward and downward connecting fittings 5, 5 are fixed to the flange 7 by screwing bolts 9, 9 therein. Then, the H-shaped or U-shaped members 11, 11 which are orthogonal to each other are sandwiched between the above and the downward receiving plates 2, 2. Then, the overlapping flanges 8 and 8 of the orthogonal shape members 11 and 11 are clamped with a vise 13,
The above-mentioned orthogonal cross-section members 11 and 11 which are overlapped with the upward and downward receiving plates 2 and 2.
By holding the flanges (8) and (8) with a vise (13), the orthogonal shape members (11, 11) can be fixed to both side surfaces of the upright column (6).

[Effect] Since the present invention is based on the above-described method, even if the vertical columns 6 in the heavy temporary gantry are expanded to three or more rows, the horizontal shape members 11
The vertical columns and the vertical columns can be connected to each other by the contact between the surfaces of the vertical columns 6 and the surfaces of the vertical columns or the flanges of the vertical columns 6, thereby strengthening the gantry and improving the safety of the wide gantry.

Since the present invention is based on the above-mentioned device, not only can the above-mentioned effects be exhibited, but also the braces 28 and 29 can be easily stretched along the three-direction planes between the uprights 6 and 6. Orthogonal L-shaped members 19, 19 to the upright 6 by the above-mentioned connecting fitting 5 of
There is a benefit that can be fixed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing a construction method of a temporary gantry of the present invention, and FIG.
1 is a side view taken along the line AA in FIG. 1, FIG. 3 is a plan view of a connecting fitting, FIG. 4 is a front view of FIG. 3, and FIG. 5 is a side view of FIG. 3 seen from the left. FIG. 6 is a perspective view of the connection fitting, FIG. 7 is a side view of the usage status of the fitting, FIG. 8 is a side view of the L-shaped member fixed state, and FIG. 9 is a side view of a vise. Figure is a side view of a vise with protrusions, Figure 11 is a perspective view of a conventional temporary gantry,
FIG. 12 is a schematic side view showing a state in which an H-shaped section is used instead of the U-shaped section. 1 ... Channel type metal fitting, 2 ... Support plate, 3 ... Groove, 4 ... Notch groove, 5 ... Connection metal fitting, 6 ... Vertical pillar, 7, 8 ... Flange, 9, 10 ... Bolt, 11 …… U-shaped material, 12 …… H-shaped material, 13 …… Vise, 14 …… Reinforcing plate, 15 …… Arm, 16, 17, 18
…… Bolt hole, 19 …… L-shaped, 20 …… C-shaped metal fitting, 21…
… Screw hole, 22 …… Projecting blade, 23 …… Projection, 24 …… Center bolt hole, 25 …… Center bolt, 25 ′ …… Head, 25 ″ …… Tip part, 26 …… Receiving plate insertion groove, 27 …… Tip screwed nut.

Continuation of the front page (56) References Microfilm (JP, U), which is a photograph of the contents of the specification and drawings attached to the application for Japanese Patent Application No. 56-107158 (No. 58-13306, Japanese Utility Model) A microfilm (JP, U) of the contents and drawings attached to the application for 55-49570 (Shokaisho 56-149711)

Claims (12)

[Claims] 1. A plurality of connecting metal fittings each having a receiving plate which is orthogonal to the groove and integrally connected to one end of the groove-shaped metal fitting, and a notch groove being formed along the groove of the metal fitting in the receiving plate. The vertical column flanges made of shaped steel are inserted into the groove and the notched groove, and bolts are screwed into the groove in opposite directions from both outer sides of the groove-shaped metal fitting, and both ends of the flange are attached by the tip of the bolt. Hold the above-mentioned upward and downward connecting metal fittings on the flange by sandwiching the surface, and between the upward and downward receiving plates of these connecting metal fittings, form a U-shaped material that crosses each other in the upper and lower stages in the lateral direction. The above-mentioned cross-shaped U-shape that is held by the upper and lower cross-shaped U-shaped members, and the main body back surface of the upper and lower cross-shaped U-shaped members is face-to-face with the vertical columns By supporting the flange of the profile with a vise, it is possible to support the cross-shaped profile on the vertical column. Construction method of temporary gantry to butterflies. 2. The method for constructing a temporary gantry according to claim 1, wherein an H-shaped section is used instead of the U-shaped section. 3. A receiving plate is integrally connected to one end of the groove-shaped metal fitting, and notch grooves are formed in the receiving plate along the groove of the metal fitting, and bolts are opposed to the groove from both outsides of the metal fitting. A reinforcing plate orthogonal to the cutout groove and the receiving plate is provided on both sides of the groove-shaped metal fitting, and an arm is projected from the other end of the groove-shaped metal fitting along the back surface of the metal fitting. A construction device for a temporary gantry in which a bolt hole perpendicular to the direction of the groove is bored at a tip end portion thereof, and bolt holes are bored on both sides of the reinforcing plate and the receiving plate. 4. The construction device for a temporary gantry according to claim 3, further comprising a vise for holding the receiving plate and the flange of the U-shaped member in contact with the receiving plate. 5. The temporary gantry construction apparatus according to claim 4, wherein the U-shaped member is replaced by an H-shaped member. 6. The temporary gantry construction apparatus according to claim 4, wherein the U-shaped member is replaced by an L-shaped member. 7. A vise in which a bolt is screwed into a screw hole on a common center line provided at both ends of a C-shaped metal fitting, and a receiving plate and a flange are sandwiched between the bolts (4), (5) or ( 6) The temporary gantry construction apparatus described in 6). 8. The construction device for a temporary gantry according to claim 7, wherein a projecting blade is provided on the opposite end surface of the bolt. 9. A protrusion is provided in the center of the C-shaped metal fitting, and a central bolt hole on the common center line is bored in the protrusion, and the head and the tip of the central bolt inserted into the bolt hole are provided with screw holes at both ends. The (7) or (8) according to claim 7, wherein the tips of the screwed bolts are opposed to each other.
Construction device for the temporary gantry described. 10. The apparatus for constructing a temporary gantry according to claim 9, wherein a receiving plate insertion groove is formed in the protrusion so that the bolt hole of the receiving plate and the central bolt hole are aligned with each other. 11. The construction device for a temporary gantry according to claim 9, wherein the central bolt hole is replaced by a central screw hole. 12. The apparatus for constructing a temporary gantry according to claim 9, wherein a projecting blade is provided on the head of the central bolt and the threaded nut of the tip.