JPH0427924Y2 - - Google Patents

Description

[Detailed description of the invention] a. Field of industrial application The present invention relates to a mounting member for a steel frame fireproof coated structure, and in particular, it provides a sufficient fireproof structure through simple construction and is equipped with a fireproof board that also serves as a finishing material. Concerning new improvements to make it possible.

b. Conventional technology A variety of configurations have been adopted for this type of steel frame fireproof coating structure that has been used in the past, but generally fireproofing materials are mixed with water and adhesive and sprayed directly onto the surface of the steel frame. There are two main types of construction methods: wet construction methods, in which fireproofing is applied or coated, and dry construction methods, in which plate-shaped refractory materials are cut into the required shape and attached and covered using adhesives, nails, etc.

In addition, as a document disclosing such a steel frame fireproof coating structure, there is Japanese Patent Application Laid-Open No. 1989-1989 proposed by the present applicant.
33965 and JP-A-61-126252 can be disclosed.

That is, in the configuration disclosed in Japanese Patent Application Laid-open No. 60-33965, although not shown in the drawings, the L
The jig is formed around the beam by using a steel frame fireproof covering jig, which is constructed by connecting a plurality of jig members shaped like a letter so as to be slidable so as to surround the beam.

Once this jig was set up, a fireproof board was attached to the outside of the jig.

In addition, in the configuration disclosed in JP-A No. 61-126252, although not shown in the drawings, a foldable fireproof board is cut to a length that can be fitted to the H-shaped steel. A fireproof board is attached as a spacer to the groove-shaped part of an H-beam or steel column, and a finishing material is attached to the outside surface.

c. Problems to be solved by the invention Since the conventional steel frame fireproof covering structure is configured as described above, it has had the following problems.

(1) First, in the case of the above-mentioned wet construction method, the outer surface of the steel frame was uneven, making it extremely difficult to attach interior finishing materials in the subsequent process.

(2) In addition, in the case of the dry construction method described above, since the fireproof board made of extremely lightweight material was used for installation, the impact resistance during the fireproof test was not sufficient.

Furthermore, it had to be cut on site to match the shape of the steel frame, which was time-consuming and increased costs.

Furthermore, the strength of the fireproof board is low and the surface is rough, so it could not be used as an interior finishing material.

(3) In addition, in the case of the configuration disclosed in JP-A No. 60-33965, it is necessary to cover the surroundings of the H-shaped steel and steel columns with a covering jig, and when applying it to the steel frame of the entire building, It was time-consuming and costly, and there were problems with practicality.

(4) Also, in the case of the configuration disclosed in JP-A-61-126252, the spacer is cut and attached to the steel frame,
Since the fireproof board is installed directly on top of this spacer, the fireproof board and the steel frame are almost connected to each other, and if there is a problem with the verticality or horizontality of the steel frame, it may be difficult to adjust the finishing accuracy sufficiently. Ta.

This invention was made to solve the above problems, and in particular, it is a fireproof steel frame that has a sufficient fireproof structure with simple construction and can be fitted with a fireproof board that also serves as a finishing material. The purpose is to obtain a mounting member for a covered structure.

d Means for solving the problem The mounting member for steel frame fireproof coating structure according to the present invention has the following features:
In a mounting member for a steel frame fireproof covering structure that connects a bar member 9 having a U-shaped cross section and a steel frame 13 having an opening groove 10 in the longitudinal direction, the bar member 9 is inserted into the opening groove 10 of the bar member 9 and rotated about 90 degrees. A fitting portion 7 having a U-shaped cross section and having a claw portion 7b that fits with the locking piece 11 that defines the edge of the opening groove 10.
and a first threaded rod 8 planted in the fitting part 7,
The bar member 9 is held by the bar member through cooperation between the end of the first threaded rod 8 and the first nut 12.
Holding part 4 provided in a direction perpendicular to the longitudinal direction of
and a second threaded rod 3 for directing the holding part 4.
a long hole 6 formed in the holding part 4 through which the second threaded rod 3 is inserted; and a pair of second nuts provided in the second threaded rod 3 and tightening the holding part 4 on both sides of the long hole 6. 5, and a mounting portion 2 provided on the upper part of the second threaded rod 3 and fixed to the steel frame 13.

e Effect In the mounting member for a steel frame fireproof coated structure according to the present invention, the mounting part of the mounting member is fixed to the steel frame by welding, etc., and the second nut is lightly tightened at a predetermined position in the axial direction (Y direction) of the second threaded rod. Then, the holding part is moved along the long hole in the longitudinal direction (X direction) of the long hole, and the second nut is tightened from both sides of the long hole, thereby fixing the mounting part at a predetermined position with respect to the holding part. Then, insert the fitting part into the groove of the bar member, rotate the fitting part approximately 90 degrees, engage the claw part of the fitting part with the locking piece of the bar member, and tighten the first nut. As a result, the steel frame and the bar member are arranged in parallel while maintaining an arbitrary interval.

f. Embodiments Hereinafter, preferred embodiments of the mounting member for a steel frame fireproof covering structure according to the present invention will be described in detail with reference to the drawings.

What is designated by the reference numeral 1 in the drawings is a mounting member for a steel frame fireproof coating structure (hereinafter referred to as the mounting member).This mounting member 1 is constructed as shown in FIG. The second threaded rod 3 fixed to the mounting part 2 constituting the
A holding part 4 having a straight plate shape is provided, and this holding part 4
can be fixedly positioned at any height position on the second threaded rod 3 by a pair of second nuts 5 (only one is shown in FIG. 1), and
The long hole 6 formed in this holding part 4 is connected to the second threaded rod 3.
The holding portion 4 can be moved in the longitudinal direction through the elongated hole 6 and the second screw rod 3 is moved in the axial direction, so that the position of the holding portion 4 can be adjusted in the X and Y directions.

As shown in FIGS. 2 and 3, at the end of the holding part 4, a fitting part 7, which is formed in a substantially vertical direction and has a U-shaped cross section and has a pair of fitting pieces 7a, is removably attached. It is provided. That is, a first threaded rod 8 is integrally implanted in the center of this fitting part 7,
A claw portion 7b is formed on each of these fitting pieces 7a.

Furthermore, the length L of this fitting portion 7 is configured to be approximately equal to or smaller than the entrance width A of the opening groove 10 of the bar member 9 having a U-shaped cross section, and the length L of this fitting portion 7 is The fitting portion 7 is configured to be easily inserted into the opening groove 10 when the fitting portion 7 is positioned in a direction perpendicular to the longitudinal direction of the bar member 9.

Furthermore, the width W in the direction orthogonal to the length L of the fitting portion 7 is larger than the entrance width A and is approximately equal to the internal width Aa of the opening groove 10 of the bar member 9. When inserted into the opening groove 10 and rotated 90 degrees, the claw portion 7a of each fitting piece 7a engages with the locking piece 11 defining the edge of the opening groove 10 of the bar member 9. .

The first threaded rod 8 of the fitting part 7 has a first threaded rod 8 that penetrates through a guide hole 4a formed in the holding part 4, projects outward, and is screwed into the first threaded rod 8 that projects outward. The holding part 4, the bar member 9, and the fitting part 7 are firmly tightened together by the first nut 12.

In the above case, since the cutout surface 4b of the holding part 4 is in contact with the outer surface of the locking piece 11 of the bar member 9, the more the first nut 12 is tightened, the more the claw part 7b of the fitting part 7 is tightened. is bitten into the locking piece 11 and is firmly tightened.

Therefore, the bar member 9 is attached to the mounting member 1 according to the present invention.
When installing the fitting part 7, as shown in Figure 2,
When the fitting portion 7 is rotated approximately 90 degrees as shown in FIG. 3, each claw portion 7b is It fits into the locking piece 11. In this state,
By inserting the first threaded rod 8 into the guide hole 4a, the holding part 4 is combined with the fitting part 7, and furthermore, the first threaded rod 8 is inserted into the guide hole 4a.
By screwing the first nut 12 onto the threaded rod 8 and tightening it, the bar member 9, the fitting part 7 and the holding part 4 are removed.
are combined into one piece.

Moreover, FIGS. 5 to 7 show a state in which a U-shaped bar member 9 and a connecting member 14 as a beam are attached around a steel frame 13 using this attachment member 1. First, welding is performed. Therefore, attach the attachment part 2 of each attachment member 1 to the attachment surface 13a of the steel frame 13 (as shown in FIG. 5), sufficiently loosen the first nut 12,
Each fitting part 7 is fitted into the opening groove 10 of the bar member 9 in the state shown in FIG. degree, and then tightening the first nut 12, the fourth
As shown in the figure, each bar member 9 is attached to each mounting member 1, and by loosening the second nut 5, the length is adjusted along the elongated hole 6 of the holding part 4, and the height is adjusted along the second threaded rod 3. Once the adjustment is made, the position adjustment in the X and Y directions is completed, and each bar member 9 is attached to a predetermined position around the steel frame 13, as shown in FIG.

In addition, each connection member 14 is provided between each bar member 9 via another attachment member (not shown).

Further, in the state shown in FIG. 6, each bar member 9
When the fireproof board 15 is fixed to the outside of the connecting member 11 with nails or screws, a fireproof coating is obtained as shown in FIG.

G. Effect of the invention The mounting member for steel frame fireproof coating structure according to the invention is as follows:
With the above structure, the bar member and the fireproof board can be attached extremely quickly around the steel frame such as H-shaped steel.

Moreover, the fitting part of the mounting member that fits into the bar member is
Since it is configured to bite after rotating 90 degrees within the groove of the bar member, the fitting between the mounting member and the bar member is extremely strong, and it has a considerable thickness and weight that can be used as a finishing material. Even some fireproof boards can be installed very easily.

Therefore, it is possible to not only ensure sufficient fire resistance, but also to significantly shorten the period of interior construction work.

[Brief explanation of drawings]

The drawings are for showing the mounting member for a steel frame fireproof sheathed structure according to the present invention. Figure 1 is a perspective view, Figures 2 and 3 are perspective views of the main parts, and Figure 4 is the fitted state of the main parts. 5 to 7 are perspective views showing the state in which the fireproof board is attached. 1 is a mounting member, 2 is a mounting portion, 3 is a second threaded rod,
4 is a holding part, 5 is a second nut, 6 is a long hole, 7 is a fitting part, 7a is a fitting piece, 7b is a claw part, 8 is a first threaded rod, 9 is a bar member, 10 is an opening groove, 11 is a locking piece, 12 is a first nut, 13 is a steel frame, 14 is a connecting member, and 15 is a fireproof board.

Claims (1)

[Claims for Utility Model Registration] In a mounting member for a steel frame fireproof covering structure that connects a bar member 9 having a U-shaped cross section and a steel frame 13 and having an opening groove 10 in the longitudinal direction, in the opening groove 10 of the bar member 9. inserted approx.
A fitting part 7 having a U-shaped cross section and having a claw part 7b that fits with the locking piece 11 defining the edge of the opening groove 10 by rotating 90 degrees, and a fitting part 7 that is planted in the fitting part 7. A first threaded rod 8 and a holding portion 4 that is held in the bar member by cooperation between the end of the first threaded rod 8 and the first nut 12 and is provided in a direction perpendicular to the longitudinal direction of the bar member 9. a second threaded rod 3 for supporting the holding portion 4; a long hole 6 formed in the holding portion 4 through which the second threaded rod 3 is inserted; a pair of second nuts 5 that tighten the holding part 4 on both sides of the hole 6;
The steel frame 13 is provided on the upper part of the second threaded rod 3.
A mounting member for a steel frame fireproof covered structure, characterized in that it is provided with a mounting portion 2 for fixing to.