JPH04175505A - Positioning tool for pillar and beam connection for residential unit - Google Patents

Abstract

PURPOSE:To achieve correct positioning by providing the first and the second pins which are inserted into two positioning holes provided on one vertical surface of a connecting metal piece and a beam and the third pin which is inserted into one positioning hole provided on the other vertical surface. CONSTITUTION:The first, the second and the third positioning pin 21, 22, 23 are provided in a protruded manner to the body 20 of a positioning tool 19. When a short beam 3 and a connecting metal piece 4 are connected, positioning can be achieved by moving the short beam 3 until the positioning pins 21, 22, 23 are inserted in the positioning holes. The first and the second positioning hole are formed in the vertical surface 5A of the connecting metal piece 4, while the third positioning hole 17 is formed in the vertical surface 3A of the short beam 3. Accordingly, positioning can be achieved correctly, and positioning in the rotational direction can also be achieved automatically.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a positioning tool for positioning columns and beams forming the frame of a housing unit when they are welded together.

[Background technology]

Figure 5 shows housing unit 4, which is a component of a unit housing.
0 skeleton 41 is shown. This frame 41 is formed into a box shape in which the upper ends and lower ends of four pillars 42 at the four corners are connected by long side beams 43 and short side beams 44, and wall materials, floor materials, ceiling materials, etc. can be installed. A housing unit is constructed by combining a plurality of housing units 40 produced in a factory in this manner at a construction site.

In the above, the column 42 and the casings 43, 44 are joined by welding, and for this welding, conventionally, joint hardware extending in the longitudinal direction of the casings 43, 44 is attached to the side surface of the column 42, and this welding is carried out by welding. Beams 43 and 44 were fitted to the metal fittings, and these fittings and the wires 43 and 44 were welded together.

During this welding, the beams 43 and 44 are connected to the column 42.
It is necessary to position the 4 in the longitudinal direction, and for this positioning, conventionally, positioning holes are provided in the fitting parts of the joint hardware and the katana 43, 44 where they are fitted together, and the katana 43, 44 were fitted, positioning pins were inserted into these positioning holes, thereby positioning the wires 43 and 44, and then welding the joint hardware and the beams 43 and 44 was performed.

[Problem to be solved by the invention]

In the past, positioning holes were provided in the fitting parts where the joint hardware and the beam fit together as described above, and the beam could be positioned by inserting positioning pins into these positioning holes. This is because the fitting portion between the beam and the beam had a sufficiently long length to allow a positioning hole to be provided. However, in order to increase the strength of the beam joint of a column, for example, if a box-shaped beam joint is installed at the beam joint, depending on the shape and structure of the joint, the joint and the beam may In some cases, it may not be possible to ensure a sufficient length of the fitting portions of the beams that are fitted into each other, and in such a case, a positioning means different from the conventional one is required to position the beams.

An object of the present invention is to provide a housing in which the beam can be positioned during welding work between the joint metal fitting and the beam even if the length of the fitting part where the joint metal fitting provided on the column and the beam are fitted together is short. The purpose of the present invention is to provide a positioning tool for unit column-beam connection.

[Means to solve the problem]

The housing unit column-beam joint positioning tool according to the present invention includes:
A positioning tool for positioning the rod with respect to the joint metal fitting when the frame of a housing unit is formed by welding and joining the joint metal fittings attached to the pillars and the beam, the positioning tool comprising: a vertical surface portion of the joint metal fitting; The method further includes: first and second positioning pins inserted into two positioning holes provided on one of the vertical surfaces of the rice cake, and a third positioning pin inserted into one positioning hole provided on the other side. This is a characteristic feature.

[Effect]

After fitting the joint fitting and the beam, the first positioning hole is inserted into a total of three positioning holes provided on the vertical surface of the joint fitting and the vertical surface of the beam.
1. When the second and third positioning pins are inserted, the beam is positioned in the longitudinal direction of the beam with respect to the fitting, and is also positioned in the vertical movement direction around the fitting part with the fitting. After positioning, the beam is welded to the fitting.

〔Example〕

An embodiment of the present invention will be described below based on the accompanying drawings.

Column 1, long side beam 2, and short side beam 3 in FIG. 1 form the frame of the housing unit, and this frame is box-shaped like the conventional example shown in FIG. , 3 are joined via a joining fitting 4.

FIG. 4 shows an exploded view of the joining fitting 4. The joining fitting 4 consists of a fitting main body 5, a base member 6, a side member 7, an auxiliary member 8, and a reinforcing member 9. The fitting main body 5 includes a web 5A and upper and lower flanges 5B. , 5C, and the auxiliary member 8 has a flat C-shape. These joining fittings 4
The structural members 5 to 9 are made by punching and bending sheet metal using a press machine, and a projecting piece 10 is attached to the flange 5B at the edge of the metal fitting main body 5 to which the long side cap 2 is joined.

A protruding piece 11 corresponding to the protruding piece IO is also formed on the side member 7, and a protruding piece 12 is formed on the edge of the metal fitting main body 5 to which the short side beam 3 is joined. 5A, flanges 5B, and 5C.

The base member 6 is welded onto the flange 5C of the metal fitting main body 5, the side member 7 is welded to the ends of the flanges 5B and 5C of the metal fitting main body 5 at right angles to the projecting piece 10, and the auxiliary member 8 is welded onto the flanges 5B and 5C of the metal fitting main body 5. is inserted into the inside of the base member 6 and the flange 5.
The reinforcing member 9 is erected on the base member 6 and welded to the base member 6 and the auxiliary member 8.

In the above, the web 5A which is the vertical surface portion of the metal fitting main body 5
Two positioning holes 13 and 14 are formed in the upper and lower sides. These positioning holes 13 and 14 are originally formed in the sheet metal for inserting positioning members of the press machine in order to position the sheet metal with respect to the mold of the press machine when the metal fitting body 5 is made by punching a sheet metal with a press machine. This is left as it is on the metal fitting body 5. Further, positioning holes 15.16 are formed in the upper and lower sides of the side member 7, and these positioning holes 15.16
This was also formed for positioning the sheet metal when the side member 7 was made by punching the sheet metal using a press machine.

The pillar 1 shown in Fig. 1 is made of square tube material, and the long side
, the short side 3 is the web 2A, 3A and the upper and lower flanges 2.
It consists of a channel material having B, 3B, 2C, and 3C. Webs 2A and 3A which are the vertical surface parts of these wires 2 and 3
In this case, before welding the beams 2 and 3 to the joining fitting 4, one positioning hole 17 and 18 is formed in each case.

FIG. 3 shows the positioning tool 19 according to this embodiment.

This positioning tool 19 includes a plate-shaped main body 20, and first, second, and third positioning pins 2L 22 protruding from the main body 20.
, 23. These positioning pins 21, 22.
The positional relationship of 23 is such that when the end of the short side cap 3 is fitted into the protruding piece 12 of the joining fitting 4 and the column l and the short side cap 3 are set in a predetermined accurate positional relationship, the positioning hole 13, 14.17
The positioning pins 21, 22, 23 can be inserted into the column l and the long side beam 2 by fitting the end of the long side beam 2 into the protruding piece 10.11 of the joining fitting 4. When the positioning hole 15°16.18 is set to a predetermined accurate positional relationship
It is assumed that the positioning pins 21, 22, and 23 can be inserted into.

Next, the effect will be explained.

The joining fitting 4 is joined to the end of the column l by welding, and then, in order to join the short side beam 3 to the column 1 via the joining fitting 4,
The end of the short side beam 3 is fitted into the projecting piece 12 of the joining fitting 4, and at this time, using the positioning tool 19, the positioning pin 21,
22. Move the short side cap 3 relative to the joining metal fitting 4 until the 22.23 is inserted into the positioning holes 13, 14.17. Positioning pins 21, 22, 23 are located in positioning holes 13, 14, 17
When the short side beam 3 is inserted into the column 1, the short side beam 3 is accurately positioned with respect to the joint fitting 4, so that the short side beam 3 is accurately positioned with respect to the column 1 in the longitudinal direction of the beam 3. At the same time, the positioning holes 13° 14.17 into which the positioning pins 21, 22. It is also positioned in the vertical movement direction centered on the fitting part.

Thereafter, the short side beam 3 and the joining metal fitting 4 are temporarily welded, then the positioning tool 9 is removed, and the short side beam 3 and the joining metal fitting 4 are welded together.

The above-described positioning work and welding work using the positioning tool 19 are also performed when joining the long side beam 2 and the joining metal fitting 4.

According to this embodiment described above, the joining metal fitting 4 and the beams 2, 3
The length of the fitting portion that is fitted into each other is the length of the protrusion portion 10.1.
1. Even if it is as short as 12 mm, the positioning tool 1
9 makes it possible to accurately position the beams 2 and 3 with respect to the joining fittings 4. In particular, the length of the fitting portion is short;
Therefore, even if the wires 2 and 3 can be rotated up and down around this fitting portion, the vertical surface portion of the joint fitting 4 and the beams 2 and 3
When the positioning pin of the positioning tool I9 is inserted into the positioning hole formed in the vertical surface of the beams 2 and 3, the beams 2 and 3 are automatically positioned in this rotation direction as well.

Further, according to this embodiment, the positioning hole 13 of the joining fitting 4
, 14, 15, and 16 are used for positioning the sheet metal when forming the component parts of the joining metal fitting 4 by punching the sheet metal with a press machine, so positioning holes are made in the joining metal fitting 4. Forming work can be omitted.

The positioning tool 19 according to the present embodiment described above was applied to the joining metal fitting 4 provided at the lower end of the column l, but
The positioning tool according to the present invention can also be applied to a joining fitting provided at the upper end of the column 1.

Further, the joining metal fitting 4 of the above embodiment is merely an example, and the positioning tool according to the present invention can be used for joining metal fittings having other shapes and structures. Further, in the embodiment, two positioning holes are provided for one beam in the joining fitting 4,
The beam had one positioning hole, but the joint fittings had one positioning hole for each beam, and the beam had two positioning holes.
It is also possible to provide several positioning holes.

〔Effect of the invention〕

According to the present invention, even if the length of the fitting portion where the joint metal fitting provided on the column and the beam are fitted to each other is short, the beam is attached to the joint metal fitting when welding the joint metal fitting and the beam. Allows for accurate positioning.

[Brief explanation of the drawing]

Figure 1 is a perspective view showing the columns, beams, and metal fittings, Figure 2 is an exploded perspective view of the metal fittings, Figure 3 is a perspective view of the positioning tool, and Figure 4 is a perspective view of the metal fittings.
The figure is a perspective view showing positioning work using a positioning tool.
FIG. 5 is a perspective view showing the frame of the housing unit. 1... Column, 2, 3... Beam, 4... Joining metal fittings, 2A
, 3A, 5A...Webs that are vertical surfaces, 13-18.
...Positioning hole, 19...Positioning tool, 21-23.
··Positioning pin.

Claims (1)

[Claims] (1) A positioning tool for positioning the beam with respect to the joint metal fittings when the frame of a housing unit is formed by welding the joint metal fittings attached to the columns and the beams, first and second positioning pins inserted into two positioning holes provided in one of the vertical surface portion and the vertical surface portion of the beam; and a third positioning pin inserted into one positioning hole provided in the other side. A positioning tool for connecting columns and beams of a housing unit.