JP2719995B2 - Connecting device for building columns - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting device for a building column at the time of building, in which an upper column is connected to a lower column safely and securely.

[0002]

2. Description of the Related Art When a building is constructed, a large number of steel columns are used, and these columns need to be continuous to the height of the building. The lower ends of the supporting pillars are connected continuously, firmly connected, and successively added up to the height of the building.

[0003] In order to connect the above-mentioned struts, the connecting portions of the upper and lower struts are welded at a building site.
This connection work by welding is extremely easy if it can be performed in advance in a factory, for example. However, it is impossible to take into account the transportation and standing work because it is long, and in fact, it is located at the bottom of the building site. After the supporting column is erected and fixed, the upper supporting column is lifted by a crane or the like, the lower end of the upper supporting column is connected to the upper end of the lower supporting column, and the connection portion is welded.

As shown in FIG. 5, in a conventional connection work by welding columns, for example, in a rectangular column-shaped upper and lower column A, holes 2 are formed in the outer surfaces of the upper end and the lower end of each column. A plate-shaped connecting piece 4 having a plate-shaped locking piece 1 provided along the length direction and having holes 3 formed at intervals similar to the holes 2 between the locking pieces 1 of the upper and lower columns A. , And tightly tighten the bolts 5 and the nuts, temporarily weld mainly the corners of the connecting portions of the two columns A to hold the upper column A, then remove the connecting piece 4, and then firmly tighten the connecting portions. This is the main welding.

[0005]

However, in the above-mentioned conventional method of connecting the columns by welding, the locking pieces 1 must be provided at the upper end of the lower column and the lower end of the upper column. It is necessary to attach the connecting piece 4 on site. Also, before the temporary welding, the upper support is extremely unstable, so there is a risk of falling down, and the work of positioning the upper support and the lower support is troublesome. Moreover, after the temporary welding, each connecting piece 4 must be removed, and after the connection portion is firmly welded, the locking piece 1 must be cut and removed, and the surface must be polished for finishing work.

[0006] In order to solve the above-mentioned conventional disadvantages, Japanese Utility Model Laid-Open Publication No. 52-48722 discloses that the upper and lower parts are divided vertically.
Side holding brackets, which form a pair of semi-holding frames ,
Was tightened in the first fastener is fixed to an end portion of the upper and lower struts, while carrying the upper strut on the lower side of the strut, the arrangement for fixing by tightening the side pressing fixture above under the second fastener It describes a <br/> to be. However, in the connecting structure of the pillars described in the above publication, the upper and lower side holding members are vertically moved by the first tightening member.
After fixing to each of the columns,
(2) First and second
2Because the tightening work of the fastener must be performed three times,
The number of steps of the connection work increases, and the work becomes complicated. Also , up and down
Since the side holding brackets are connected only with the second fastening tool ,
Cumbersome positioning of the upper strut relative to the lower strut, yet in the pre-welded previous state, since the upper strut is unstable, Ru risk there the upper strut is tipping.

[0007]

SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-mentioned conventional problems. In this invention, the upper end of a lower pillar is connected to the lower end of an upper pillar. in state, a coupling device of a building for struts to connecting portions of both posts are exterior to retain the upper and lower struts, and a holding frame body by a pair of right and left half-holding frame, said right and left
Of the semi-holding frame is shorter than one side of
Gastric plan view transverse plate of L-shaped, and a plurality arranged vertically spaced, and a vertical plate of the left and right upper and lower horizontal plate members and connecting each transverse plate a plurality of vertical plate members spaced with a window hole is formed in a portion surrounded by the vertical plate outside located at both ends
A structure in which a plurality of through-holes vertically tilted in a diagonal direction of the strut to be instrumentation was opened, a pair of right and left half-holding frame has been Ategawa the connecting portion of the <br/> upper and lower struts, strut Diagonal of
On both ends of a pair of left and right semi-holding frames facing each other at both corners
And through the fastener in a series to a plurality of through-holes of the vertical plate member located
A pair of left and right half holding frame is connected, a pair of right and left half-holding frame with fastener is firmly fixed, by Rukoto is tightened, it is shall be retained struts above under <br/>.

[0008]

DETAILED DESCRIPTION OF THE INVENTION The present invention because it is configured as described above, the left and right
Ategai a pair of semi-holding frame body connecting portion of the upper and lower struts,
Not only can the upper support be firmly fixed to the lower support simply by firmly tightening and fixing the pair of left and right semi-holding frames at both diagonal corners of the support with fasteners. Since the upper column can be positioned flush with the lower column, the operation of connecting the columns is extremely simple, and the reliability of the connection strength is high.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings of embodiments. At the connection part of the rectangular column-shaped column A connected up and down, the holding frame 6 which is provided outside the column A located on the upper side and the column A located on the lower side is composed of a pair of left and right half holding frames 7. Be composed.

In the illustrated embodiment, the above-mentioned semi-holding frame 7 is bent in an L-shape in plan view, and its inner periphery extends from one corner of the column A to another diagonal corner. It is set to be slightly smaller than half the circumference up to.

The semi-holding frame 7 is provided with a plurality of horizontal plate members 8 bent at right angles in an L-shape in plan view as described above, with a vertical gap therebetween. Are connected by a plurality of vertical plate members 9 vertically. Therefore, the upper and lower horizontal plate members 8 and the left and right vertical plate members 9 are connected.
A window hole 10 is formed in a portion surrounded by a circle, and both end portions of each horizontal plate member 8 are inclined corresponding to a diagonal line of the column A to be covered.

In the semi-holding frame 7, the vertical plate material located at both ends of the horizontal plate 8 at the above-mentioned 45 ° angle becomes a flange surface 11 as a side end surface of the semi-holding frame 7. In addition, a plurality of through holes 12 are vertically formed in the flange surface 11.

[0013] The pair of semi-holding frame 7 described above, in the connection portion of the upper and lower struts A, the support frame and fitted on the outer surface of the connection portion between the struts A located strut A and the lower positioned above although the it and 6, the flange surface 11 between the respective half holding frame 7 against counter at the corners of the column, the respective through-holes 12 is also opposed.

Therefore, a fastener 13 such as a bolt is inserted into each of the through holes 12 facing each other, tightened by a nut, and fixed. Accordingly, the strut positioned above and to the strut located on the lower side, to be firmly fixed on the basis of the tightening of the pair of half-holding frame 7, the clamping position of the pair of semi-holding frame has struts , The tightening force is extremely strong.

Moreover, as described above, the inner circumference of the semi-holding frame 7 is set to be slightly smaller than the half circumference from one corner of the column A to the other corner opposite the center.
The holding frame 6 is firmly fixed at the connecting portions of the upper and lower columns A by the tightening of the tightening members 13, and the columns A located on the upper side are fixed.
And it can be linearly connected temporarily fixed to the Me positioning flush state with respect to strut A located on the lower side.

As described above, when the upper column A is fixed to the lower column by the holding frame 6 at the connection portion, each of the horizontal plate 8 and the vertical plate 9 of the semi-holding frame 7 is formed. From the window 10, mainly the corners of the connecting portions of the upper and lower columns A are temporarily welded. In order to make the temporary welding work easier, it is preferable to form the notch 14 around the inside of the portion of the vertical plate 9 facing the connecting portion of the upper and lower columns A.

After the temporary welding operation is completed, the holding frame 6 is removed. The upper and lower columns A are connected with a certain strength by this temporary welding. Also, the column A located on the upper side does not fall down, the holding frame 6 is removed, and the above-mentioned connection portion is fully welded. In this way, the necessary number of pillars are connected up and down in order, and the building is continuously formed to a desired height as a building.

In order to remove the holding frame 6 from the connecting portion of the column, the fastener 13 located at the diagonal corner of the column may be removed, and the left and right half holding frames 7 may be removed.

As described above, the present invention has been described with reference to the embodiments shown in the drawings. However, the present invention is not limited to the above-described embodiments, and may be implemented in any manner unless the structure described in the claims is changed. Can be implemented.

[0020]

In summary, according to the connecting device for a building column of the present invention, a pair of left and right semi-holding frames are applied to the connecting portions of the upper and lower columns, and the fasteners are used at both diagonal corners of the column. Firmly tighten and fix the pair of left and right semi-holding frames
Alone, the upper column can be firmly fixed to the lower column, so the connection of the columns is extremely easy,
There is no accident in which the upper strut falls due to vibrations during work or due to wind and rain. In addition, the holding frame is provided on the upper end of the lower support in advance, and then the lower end of the upper support, which has been lifted up with a crane, is attached from above to the inside of the holding frame, and the upper and lower parts are simply tightened strongly with fasteners. Not only can the positioning of the ends of the struts be accurate, but also the upper struts can be reliably held. Therefore, temporary welding can be performed
Not only can facilities, with replenishment work of the upper strut is extremely simple, will be post to annex above under are aligned vertically linearly with high accuracy, Shin in coupling strength
It is highly reliable and has high value as a building frame.

Furthermore, to the after pre-welded Hazuseru the holding frame body very easily, since it is possible to present welding immediately, it is possible to shorten the working time of the wake intends connection work risk at heights is intended to achieve the practical operational effects superior come Wamete.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing one embodiment of a connecting device according to the present invention.

FIG. 2 is a front view of the embodiment of FIG. 1 in an assembled state.

FIG. 3 is a plan view showing a state before assembly.

FIG. 4 is a plan view in which a part of an assembled state is omitted.

FIG. 5 is an exploded perspective view showing a state in which a conventional pillar is added.

[Explanation of symbols]

 A column 6 holding frame 7 semi-holding frame 8 horizontal plate 9 vertical plate 10 window hole 11 flange surface 12 through hole 13 tightening device

Claims (1)

(57) [Claims] 1. A connection of a building support that is externally provided at a connecting portion between the two supports and holds the upper and lower supports in a state where the lower end of the upper support is connected to the upper end of the lower support. An apparatus, wherein a pair of left and right half-holding frames constitute a holding frame, and the pair of left and right half-holding frames are columns of
The horizontal plate short plan view of the L-shaped than one side, and a plurality arranged vertically spaced apart, each with a plurality of vertical plate members spaced
A window hole is formed in a portion surrounded by the upper and lower horizontal plate materials and the left and right vertical plate materials by connecting the horizontal plate materials, and the vertical plate materials located at both ends are tilted in the diagonal direction of the pillar to be exteriorized and vertically. It has a configuration in which a plurality of through holes are opened , and a pair of left and right semi-holding frames is applied to the connection between the upper and lower columns.
And a pair of left and right sides facing each other at both diagonal corners of the support
Semi retaining frame half retaining frame and through the plurality of through holes for fasteners to a series of right and left pair of vertical plate members is connected is located at both ends of the
The pair of left and right half holding frames are firmly fixed with
Is the Rukoto coupling device building upright that holds the posts of the upper pressure.