JPH0733875B2 - Manufacturing and installation method of vertical tube unit - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing and installing a vertical tube unit, and is particularly characterized in manufacturing and assembling a sleeve for penetrating and supporting the vertical tube and supporting the vertical tube.

[0002]

2. Description of the Related Art Conventionally, a sleeve for penetrating and supporting a vertical tube of a vertical tube unit is a tubular sleeve 35 fixed to a frame 31 via a connecting plate 37 as shown in FIG. 12, and an upper end surface of the tubular sleeve 35. A horizontal band receiving plate 38 is provided on the support plate 39 at substantially the same level as the above, and a vertical tube fixing band 40 or a vibration isolating band divided into two can be attached to the supporting plate 39. The vertical tube 2 is fixedly supported during transportation and suspension (as a prior art, there is Japanese Utility Model Laid-Open No. 2-18988).

By the way, in the tubular sleeve 35 in the above vertical tube unit, a vertical tube provided with a pipe joint having a diameter larger than the sleeve diameter or a vertical tube having a long branch pipe portion cannot be penetrated. Further, since the horizontal band receiving plate 38, which is the mounting base for the vibration-proof band, was also used as the mounting base for the vertical pipe fixing band 40, the vertical pipe unit was transported to the construction site and was installed in the predetermined opening portion of the steel frame structure. After hanging and installing, the vertical tube fixing band 40 had to be removed and the vibration proof band had to be replaced.

[0004]

SUMMARY OF THE INVENTION Therefore, according to the present invention, a vertical pipe having a pipe joint having a diameter larger than the sleeve diameter or a vertical pipe having a long branch pipe portion can be penetrated and supported, and a vibration-proof rubber can also be used for the sleeve. It is intended to provide a method of manufacturing and installing a vertical tube unit that can be pre-installed inside.

[0005]

A vertical pipe unit manufacturing and installing method according to the present invention for solving the above problems is to divide a steel pipe or a roll-formed steel plate into two parts and attach flanges to both side ends of the steel pipe or roll-formed steel plate. Form a mold sleeve, then attach a vibration-proof rubber to the inner peripheral surface of this split sleeve, and then connect one split sleeve at the factory through a connecting angle to the outer frame of each floor in a unit frame of multiple floors. Sideways, and then a pipe fixing metal fitting is attached to the outer surface of the flange of one split sleeve, and the vertical pipe is clamped and fixed laterally to the pipe fixing metal fixture by U bolts, and then the other split sleeve is attached to the one side. We made a vertical pipe unit by flange-joining to the split sleeve of No. 1, then installed a vertical pipe on the outer frame of each floor and attached a floor plate, and then transported this vertical pipe unit to the construction site to construct a steel frame structure. Crowded hanging predetermined body opening and rests the floor of the outer frame on the beam, it is characterized in removing the thereafter the U-bolt and the pipe fixing bracket.

[0006]

As described above, according to the method for manufacturing and installing the vertical tube unit of the present invention, the divided sleeve is manufactured in advance, so that the rubber vibration isolator can be easily attached to the inner peripheral surface of the divided sleeve, and the unit frame in the factory is also installed. It is easy to assemble the sleeve to the outer frame of each floor, and even vertical pipes with pipe joints with large diameter or long vertical pipes can be easily set sideways in the sleeve. By filling the sleeve in which the vertical pipe is set with the fireproof heat insulating material, it is possible to easily perform the fireproof compartment penetration process at the factory. Moreover,
In the method for manufacturing and installing the vertical tube unit of the present invention, since the vertical tube is sandwiched between the outer frame of each floor and the floor plate is attached to manufacture the vertical tube unit, the manufacturing efficiency is remarkably improved. Then, by transporting this vertical pipe unit to the construction site, suspending it in the predetermined opening of the steel structure and mounting the outer frame of each floor on the beam, the installation of the vertical pipe unit is completed, so the site For this work, all that is necessary is to remove the U bolt and the pipe fixing metal used when the vertical pipe was set in the sleeve.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a method for manufacturing and installing a vertical pipe unit of the present invention will be described with reference to the drawings. The steel pipe 1 shown in FIG. 1A or the roll-formed steel plate 1'shown in FIG. 1B is divided into two parts. With flanges 2 on each side as shown in FIG.
Was attached to form split mold sleeves 3 and 3 '. Each of the flanges 2 of the split sleeves 3 and 3'has four bolt insertion holes 4 formed at the same position. Next, the anti-vibration rubber 5 was directly attached to the inner peripheral surfaces of the split sleeves 3 and 3'with screws 6 as shown in FIG. A large number of a pair of split mold sleeves 3 and 3'on which the anti-vibration rubber 5 is attached are prepared, and a connecting angle 7 (see FIG. 4) horizontally projecting outward is provided at the lower end of the flange 2 of one split mold sleeve 3. The split sleeve 3 is attached to one of the outer frame frames 9 on each floor of the unit frames 8 of a plurality of floors which are horizontally produced in the factory as shown in FIG. , One end of the connecting angle 7 was welded and attached sideways. Next, at the upper end of the outer surface of the flange 2 of each split sleeve 3, as shown in FIG. 5, the angle members 11 are directed downward and outward at right angles to the lower ends of the horizontal sides of the angle members 10 facing upward. , One end of the horizontal side is joined, and the other end of the horizontal side has a mounting plate 12 bent downward at a right angle, and a pipe fixing metal fitting 14 having a bolt hole in the mounting plate 12 is attached to the mounting plate 12. It was connected with bolts and nuts. And this pipe fixing metal fitting 1
As shown in FIG. 6, the vertical tube 15 was clamped and fixed to the No. 4 by the U bolt 16. Next, as shown in FIG. 7, the other split mold sleeve 3'was joined to the one split mold sleeve 3 with their flanges 2 butted against each other with bolts and nuts. At this time, the bolts and nuts of the mounting plate 12 of the pipe fixing metal fitting 14 were once removed, and the flanges 2 of the split sleeves 3 and 3'and the mounting plate 12 were joined again with the bolts and nuts. Then, in the combined split sleeves 3 and 3 ', a fireproof heat insulating material 17 was filled as shown in FIG. Next, at the other end of the connecting angle 7 of the split sleeve 3 attached to the outer frame 8 on each floor,
The other outer frame 9'consisting of a groove-shaped frame with a groove facing outward is welded, and the vertical pipe 15 is sandwiched between the floor plates 19, 19 'having the through holes 18 to form the outer frame 9, Vertical pipe unit 20 was manufactured by welding to 9 '. Next, this vertical pipe unit 20 is transported to a construction site and suspended in a predetermined opening of the steel frame structure, and the outer frame frames 9 and 9'of each floor are placed on the beam 21 of the steel frame structure as shown in FIG. I put it up. Then, as shown in FIG. 11, the U bolt 16
And the pipe fixing metal fitting 14 was removed, and the manufacturing and installation of the vertical pipe unit 20 was completed.

In the method of manufacturing and installing the vertical tube unit of this embodiment, since the split sleeves 3 and 3'are manufactured in advance as described above, the vibration isolating rubber 5 can be easily attached to the inner peripheral surface of the split sleeves 3 and 3 '. I was able to. The split sleeves 3 for the outer frame 9 on each floor in the unit frame 8 at the factory
It was easy to assemble the 3 ', and even the vertical pipe 15 having a pipe joint with a large diameter or the vertical pipe 15 having a long branch pipe portion could be easily set laterally in the split sleeves 3, 3'. . Further, since the fireproof heat insulating material 17 is filled in advance in the divided sleeves 3 and 3'in which the vertical pipes 15 are set, it is possible to easily carry out the fireproof compartment penetration process in the factory. On top of that, the vertical pipes 15 are sandwiched between the outer frames 9 and 9'of each floor, and the floorboards 19
Since the vertical tube unit 20 is manufactured by attaching 9 ', the manufacturing efficiency is remarkably improved. Then, the vertical pipe unit 20 is transported to a construction site, suspended in a predetermined opening portion of the steel frame structure, and the outer frame frames 9 and 9 ′ of each floor are mounted on the beam 21. Since the installation is complete,
For on-site work, the U-bolt 16 and the pipe fixing bracket 14 used when the vertical pipe 15 is set in the split sleeve 9 are simply removed to eliminate the need for complicated anti-vibration work and fire-blocking penetration work after installation. It was

Although the outer frame 9'is later welded to the other end of the connecting angle 7 of the split sleeve 3 in the above-described embodiment, the outer frame 9'and the other end of the connecting angle are simultaneously welded to each other. The frame 9 ′ may be welded to the other end of the connecting angle 7. In this case, when the floor plates 19, 19 'are attached to the outer frame frames 9, 9'after the vertical pipes 15 are attached in the split sleeves 3, 3', tapping screws or the like may be used to attach the vertical pipes 15 by welding sparks. The damage etc. of can be eliminated.

In the above embodiment, the split sleeves 3 and 3'combined at the factory are filled with the fireproof heat insulating material 17,
Vertical pipe unit 2 at the predetermined opening of the steel structure at the construction site
After suspending and installing 0, it may be filled in the divided sleeves 3 and 3'combined with the fireproof heat insulating material 17.

[0011]

As described above, according to the method for manufacturing and installing the vertical pipe unit of the present invention, the vertical pipe having various shapes such as the vertical pipe having the pipe joint having the diameter larger than the sleeve diameter and the vertical pipe having the long branch pipe portion is formed. The pipes can be manufactured in advance before the unit is assembled, and the various types of vertical pipes thus manufactured can be easily set in the split sleeve attached to the outer frame of each floor of the unit frame at the factory, The vibrating rubber can also be pre-installed in the sleeve, and the vertical tube unit is efficiently manufactured at the factory. At the construction site, it is installed by suspending it in a predetermined opening of the steel frame structure and mounting it on the beam, eliminating the need for complicated anti-vibration work after installation, and filling the sleeve with fireproof insulation material at the factory. If this is done, the work for penetrating the fire compartment after installation is unnecessary, and the work after installation will be further reduced, so that the workability will be significantly improved.

[Brief description of drawings]

1 to 11 are views showing steps of an embodiment of a method for manufacturing and installing a vertical tube unit of the present invention.

FIG. 12 is a perspective view of an essential part showing a portion of a conventional vertical tube unit that supports a vertical tube through.

[Explanation of symbols]

 1 Steel Pipe 1'Rolled Steel Plate 2 Flange 3,3 'Split Sleeve 5 Anti-vibration Rubber 7 Connection Angle 8 Unit Frame 9,9' Outer Frame 14 Pipe Fixing Fitting 15 Vertical Pipe 16 U Bolt 17 Fire Insulation Insulation 19,19 ′ Floor board 20 Vertical tube unit 21 Steel structure beam

Claims (1)

[Claims] 1. A split pipe is formed by dividing a steel pipe or a roll-formed steel plate into two and attaching flanges to both side ends thereof, and then attaching a vibration-proof rubber to the inner peripheral surface of the split sleeve. Next, one split sleeve is attached sideways to the outer frame of each floor in the unit frame of multiple floors via the connecting angle at the factory, and then the pipe fixing metal fitting is attached to the flange outer surface of one split sleeve. A vertical pipe is sandwiched and fixed to this pipe fixing bracket sideways by U bolts, then the other split sleeve is flange-joined to the one split sleeve, and then the vertical pipe is sandwiched in the outer frame of each floor. Install the floor board, then transport this vertical pipe unit to the construction site, hang it on the predetermined opening of the steel frame structure and mount the outer frame of each floor on the beam, then fix the U bolts and pipes Metal fittings A method for manufacturing and installing a vertical tube unit characterized by removing the vertical tube unit.