JPH05222773A - Lifter structure of roof unit - Google Patents

Abstract

PURPOSE:To improve the operability and safety in the lifting work of a rood unit as well as to enable even the heavyweight one to be surely lifted and set up there. CONSTITUTION:A structural material for each roof surface of two roof units 2 and 3 is composed of those of channel steel 14 with two orthogonal surfaces and square steel pipes 15, 24, and two nuts 18, 27 tightly attachable with an eyebolt 31 are welded and locked to each top and side of the channel steel 14 and the square steel pipes 15, 24. Since these nuts 18, 27 are locked each to two surfaces of the channel steel 14 and the square steel pipes 15, 24, supporting strength is well improved, so that even the heavyweight roof unit is liftable with certainty.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for suspending a roof unit, and can be used for a pitched roof unit, a flat roof unit and the like.

[0002]

BACKGROUND ART In a unit-type building composed of a plurality of building units and a roof unit, roof units are sequentially lifted and installed by a crane on a building unit installed on a foundation. This hoisting is performed by connecting a hoisting wire such as an eyebolt fixed to the roof unit to a hoisting wire attached to a crane.

[0003]

By the way, the hangings of the roof unit are usually attached not to the roof surface but to the outer side surface of the roof unit such as the roof beam of each roof unit. Therefore, when the roof unit is installed, the hanger cannot interfere with other roof units that are placed adjacent to the roof unit, and the roof unit cannot be placed in the specified position. There was a problem of poor security.

On the other hand, Japanese Patent Publication No. 3-58415 discloses an attempt to improve workability and safety by providing a roof unit suspender on the roof surface. This makes it possible to fix the hanger to the roof surface by fixing the hanger fixing metal fittings that can fix the hanger to the side of the roof unit structural material on the back side of the hut. Prevents the tool fixing metal fittings from interfering with each other. However, in recent years, structural members made of steel have been used instead of wooden structural members for the purpose of improving the rigidity of unit-type buildings. There was a case where sufficient strength could not be obtained by fixing the hanger fixing metal fittings only to the side surface on the back side of the hut.

An object of the present invention is to improve the workability and safety of the roof unit hanging work, and also to provide a roof unit hanging structure capable of reliably hoisting and installing a high-weight roof unit. To provide.

[0006]

In the structure for suspending a roof unit according to the present invention, a structural member having at least two orthogonal surfaces is used as a structural member for the roof surface, and the elastic member can be fixed to the elastic member. The tool is respectively fixed to two or more surface portions of the structural member.

[0007]

In the present invention, since the hanging fixture fixing device capable of fixing the hanging device is fixed to the structural material constituting the roof surface of the roof unit, when a field plate or the like is stuck, it is necessary to insert the appropriate hanging holes. Or if no ground plate is attached, fix the hanger directly to the hanger fastener so that the hanger and the hanger fastener are provided on the roof surface of the roof unit and Does not stick out. Therefore, when the roof unit is installed adjacent to the pre-installed roof unit, it does not interfere with other roof units in which the suspending tool of the roof unit and the suspender fixing tool are installed.
This eliminates the work of temporarily placing the roof unit apart and removing the suspenders, thereby improving workability and safety of the suspending work. In addition, since the suspender fixtures are fixed to two or more surface portions of the structural member, the attachment strength of the fixtures is improved, and even a heavy roof unit can be reliably lifted and installed.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the present embodiment is a suspension structure applied to a plurality of roof units installed on a box-shaped building unit 1. As the roof unit, a roof unit 2 having a ridge and having a substantially pentagonal cross-section, and a roof unit 3 having a triangular cross-section adjacent to both sides of the roof unit 2 are provided.
And are sequentially lifted by the hanging wire 4 and installed on the corresponding building unit 1.

The roof unit 3 is, as shown in FIGS. 2 and 3, a bundle frame 1 erected on a base frame 10.
The roof panel 13 constituting the roof surface of the unit 3 is bolted to the bracket 1 and the bracket 12. The roof panel 13 includes a channel steel 14 and a square steel pipe 15.
The base plate 17 is attached to the upper surface of the frame 16 assembled in the shape of a square frame, and a roof finishing material is appropriately attached to the base plate 17 via a waterproof sheet (not shown). Inside the two grooved steels 14 and the square steel pipes 15 orthogonal to the roof slope direction of the frame 16, nuts 18 as suspending tool fasteners are provided on the upper surface and the two side surfaces of the grooved steels 14 and the square steel pipes 15, respectively. It is fixed by welding.

Like the roof unit 3, the roof unit 2 is connected to the bundle frames 21 erected at the four corners of the base frame 20 via brackets 22 at the roof ridge portion to form the roof surface of the unit 2. 2 roof panels 2
It is configured by bolting 3. The roof panel 23 includes a frame 25 assembled into a rectangular frame shape by a square steel pipe 24, and a base plate 26 is provided on the upper surface of the frame 25.
It is composed by attaching a waterproof sheet and roof finishing material (not shown). Inside the square steel pipe 24 provided at the lower end of each frame 25 of each roof panel 23 in the roof gradient direction, a nut 27 as a suspender fixing tool is provided on the upper surface and the side surface of the square steel pipe 24 as in the roof unit 3. It is welded and fixed to the surface.

Nuts 18 and 27 of each roof unit 2 and 3
As shown in FIG. 4, through-holes 30 communicating with the female threads of nuts 18 and 27 are formed in the grooved steel 14 and the square steel pipes 15 and 24 to which the holes are fixed, and the holes formed in the field boards 17 and 26. The eyebolt 31, which is a suspender, can be screwed onto the nuts 18 and 27 through the groove or the groove.

Next, the roof unit 2 using this embodiment,
The installation procedure of No. 3 will be described. First, the building unit 1 and the roof units 2 and 3 are manufactured in a factory. The roof units 2 and 3 are manufactured, for example, by separately manufacturing the roof panels 13 and 23 and the base frames 10 and 20, and then combining the roof panels 13 and 23 via the bundle frames 11 and 21.
At this time, the nuts 18 and 27 are the groove steel 14 and the square steel pipe 1.
Since the roof panels 13 and 23 are arranged in the panels 5 and 24, they may be fixed by welding before assembling the roof panels 13 and 23, or may be fixed during or after the assembling. However, since the nuts 18 and 27 are arranged in the channel steel 14 and the square steel pipes 15 and 24,
For example, the nuts 18 and 27 do not become protruding portions as in the case where the nuts 18 and 27 are attached to the outer side surfaces of the grooved steel 14 and the square steel pipes 15 and 24. It does not hinder the transportation and assembly of the rectangular steel pipes 15 and 24, and does not reduce workability.

The building unit 1 and the roof units 2 and 3 produced in the factory are transported to the construction site, and the building unit 1 and the roof units 2 and 3 are installed in this order by using a crane.
Either the roof units 2 or 3 may be installed first depending on the construction method or the like. This roof unit 2, 3
The eyebolt 31 is screwed onto the nuts 18 and 27 of the roof units 2 and 3, and the suspension wire 4 of the crane is connected to the bolt 31 to be lifted and installed on the building unit 1. At this time, since the nuts 18 and 27 are attached to the roof surface side of each roof unit 2 and 3, the eye bolt 31
The nuts 18 and 27 do not project to the outer side surface of the roof units 2 and 3 that is not the roof surface. Therefore, when the roof units 2 and 3 are installed adjacent to the pre-installed roof units 2 and 3, there is no portion protruding laterally, so the roof units 2 and 3 are directly installed at predetermined positions. By removing only the hanging wire 4 without removing the eyebolt 31, the next roof unit 2 and 3 lifting operation can be performed.

According to this embodiment, since the nuts 18 and 27 for fixing the eyebolts 31 are fixed to the frames 16 and 25 constituting the roof surfaces of the roof units 2 and 3, the eyebolts 31 and the nuts are fixed. It is possible to provide 18, 27 on the roof surface, and it is possible to eliminate the portions protruding laterally of the roof units 2, 3. Therefore, when arranging the roof units 2 and 3, eye bolts 31 and nuts 1
It is possible to directly install the roof units 2 and 3 at a predetermined position without the 8 and 27 interfering with the adjacent roof units 2 and 3. Therefore, unlike the prior art, it is not necessary to temporarily separate the roof units 2 and 3 from each other or to remove the suspending tool during the suspending work, thereby improving the workability and safety of the suspending work.

Further, since the nuts 18 and 27 to which the eyebolts 31 are fixed are welded and fixed to the two surfaces of the groove steel 14 and the square steel pipes 15 and 24, the mounting strength of the nuts 18 and 27 can be improved. Therefore, even when the roof units 2 and 3 that are heavier than the wooden members made of steel or the like are lifted, sufficient supporting strength is obtained, and the hoisting can be performed reliably and safely. Particularly, when the roof units 2 and 3 are lifted, an upward force is applied to the nuts 18 and 27.
Since it is welded so as to be in contact with the upper surfaces of the rectangular steel pipes 15 and 24, the force can also be received by the grooved steel 14 and the rectangular steel pipes 15 and 24. Can be greatly improved. Therefore, even if the nuts 18 and 27 are unfixed, the nuts 18 and 27 are locked by the groove steel 14 and the square steel pipe 15, and the roof units 2 and 3 fall. It is possible to prevent accidents such as, and it is possible to make the suspension structure extremely safe.

Further, since the nuts 18 and 27 are fixed to the inner surface portions of the groove steel 14 and the square steel pipes 15 and 24, the nuts 18 and 27 are first attached to the groove steel 14 and the square steel pipes 15 and 24.
Even when assembling the roof panels 13 and 23 after mounting, the nuts 18 and 27 do not interfere with the assembling work. Therefore, the nuts 18 and 27 are attached to the roof panel 1
It can be attached even before the assembling of the nuts 3, 23, and the workability of attaching the nuts 18, 27 can be improved. Further, since the nuts 18 and 27 are covered with the grooved steel 14 and the square steel pipes 15 and 24, even if the nuts 18 and 27 are installed outdoors, they are not exposed to rainwater or the like, and the occurrence of rust or the like can be prevented.

It should be noted that the present invention is not limited to the above-described embodiments, and modifications, improvements, etc. within the scope of achieving the object of the present invention are included in the present invention. For example, the nuts 18 and 27 are not limited to the case where they are directly fixed to the surfaces of the channel steel 14 and the square steel pipes 15 and 24 as in the above embodiment,
As shown in FIG. 5, it may be attached to the channel steel 14 or the square steel pipes 15 and 24 via the reinforcing plate 32. Further, the nuts 18 and 27 are not limited to being mounted on the upper surface and the side surfaces of the channel steel 14 and the square steel pipes 15 and 24 as in the above embodiment, but may be mounted on the upper surface and the lower surface as shown in FIG. Further, it may be attached to the two surfaces of the side surface and the lower surface, or to the upper and lower surfaces and the three surfaces of the side surface. In short, the hanger fixing device of the present invention has only to be attached to two or more surfaces of the structural material including the grooved steel 14 and the square steel pipes 15 and 24, and which surface is specifically attached is determined. At this time, it may be appropriately selected. However, as described above, the mounting including the upper surface of the structural material has an advantage that the mounting strength can be improved and the safety is high. Even if the nuts 18 and 27 are not attached to the upper surface, the through hole 30 of the structural material having the upper surface is provided.
If the hanger is fixed via the nut 1
Even if the fixing of 8 and 27 is released, the roof units 2 and 3 can be prevented from falling because they are locked to the structural material.

Further, as the structural material, the channel steel 14 and the square steel pipes 15 and 24 are usually used as in the above-mentioned embodiment, but an angle material or the like may be used as long as the conditions such as strength are satisfied. It suffices that it has two surfaces that are orthogonal to each other and that the hanger attachment can be fixed by at least two surfaces.

Further, the roof units 2 and 3 of the above embodiment
, The roof plates 17 and 26 are provided, but the present invention is a roof unit to which the roof plates 17 and 26 are attached after the units are installed, and a roof unit to which not only the roof plates 17 and 26 but also a roof finishing material is attached. It can be applied to various roof units including a structural material that constitutes a roof surface.

Further, the roof units 2 and 3 are not limited to those having a gable roof as in the above-mentioned embodiment, but may be roof units having various shapes such as a dormitory roof, a purlin roof and a flat roof. Can be applied.

[0021]

As described above, according to the present invention, it is possible to improve the workability and safety of the roof unit hanging work, and to reliably lift and install even a high weight roof unit. There is.

[Brief description of drawings]

FIG. 1 is a perspective view showing an overall configuration of a unit-type building using an embodiment of the present invention.

FIG. 2 is a schematic side view showing a roof unit to which this embodiment is applied.

FIG. 3 is a side view showing a roof unit to which this embodiment is applied.

FIG. 4 is an enlarged perspective view showing the attachment structure of the lifting device fixing tool of the present embodiment.

FIG. 5 is an enlarged side view showing a modified example of the present invention.

FIG. 6 is an enlarged side view showing another modification of the present invention.

[Explanation of symbols]

 2, 3 Roof unit 4 Hanging wire 13, 23 Roof panel 14 Groove steel 15, 24 Square steel pipe 16, 25 Frame 18, 27 Nut 30 Through hole 31 Eye bolt

Claims (1)

[Claims] 1. A structural material having at least two orthogonal surfaces is used as a structural material of a roof surface, and a hanging tool fixing tool capable of fixing a hanging tool is fixed to two or more surface portions of the structural material. A roof unit suspension structure characterized by the above.