JPH05148990A - Construction method for piping for garret - Google Patents

Abstract

PURPOSE:To provide good construction property by eliminating accurate marking of insert metal fitting fixing position for form for ceiling slab and to cope easily in case the design if mounting position of pipes is changed after concrete of ceiling slab is placed when installation pipes are mounted between ceiling slab and ceiling plate. CONSTITUTION:A plural number of straight rails 4 which have a groove 4a opening downward and wide in the inner part are provided in parallel, keeping adequate space mutually on the bottom face of ceiling slab and obliquely for beams 2a, 2b, 2c. A plural number of support members 5 which can be changed over between the condition where they are engaged with the groove and the condition where they are disengaged with it are supported on the straight rails slidably, and installation pipes are supported by the support members which are provided at the intersection of the straight rails and pipes A, B, C, D.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of constructing piping for equipment under the ceiling.

[0002]

Background Art Ceiling space (between ceiling slab and ceiling plate)
In the case of arranging equipment pipes such as conduits, ventilation ducts, air-conditioning ducts, smoke exhaust ducts, etc., conventionally, in advance, screw hanging bolts from below into the insert hardware embedded in the concrete of the ceiling slab. The equipment pipes were attached to the hanging bolts.

Therefore, it is necessary to accurately fix the insert metal fitting to a predetermined position of the formwork for the ceiling slab before placing the concrete on the ceiling slab, which is troublesome.
Moreover, when arranging the ceiling slab or when placing concrete,
If the insert hardware falls down due to contact with another object, the position or posture of the insert hardware changes, screwing of the suspension bolt becomes impossible, and the verticality of the suspension bolt is disturbed, which hinders installation of facility piping. Was caused.
Also, if there is a design change in the installation position of the equipment piping after placing the concrete in the ceiling slab, the insert hardware embedded in the concrete cannot be used, and other mounting means such as hole-in anchors are required. was there.

[0004]

SUMMARY OF THE INVENTION The present invention has been made with the above points in mind, and it is an object of the present invention to accurately mark the fixing position of an insert metal fitting to a ceiling slab formwork. It is unnecessary and has good workability.
An object of the present invention is to provide a method for constructing equipment pipes behind a ceiling that can easily cope with a design change in a mounting position of equipment pipes after concrete placing of a ceiling slab.

[0005]

[Means for Solving the Problems] The technical means taken by the present invention to achieve the above object are as follows. That is, the method for constructing the in-ceiling equipment pipes according to the present invention comprises a plurality of linear rail members having a downwardly-opening groove that extends inward and parallel to the lower surface of the ceiling slab in parallel with each other at appropriate intervals. And a linear rail member that slidably supports a plurality of support members that can be switched between the engaged state and the disengaged state in the groove. It is characterized in that the equipment pipes are supported by a support member arranged at an intersection of the equipment pipes.

[0006]

According to the above construction, since the linear rail member is positioned obliquely with respect to the beam, as long as the equipment pipes are arranged in parallel with the beam, it does not matter which position It will intersect the linear rail member. And
Since the support member that supports the equipment pipes is slidably supported by the linear rail member, slide the support member to the intersecting position of the equipment pipes and the linear rail member,
The equipment pipes can be supported.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic configuration view of a ceiling slab as seen from below. In FIG. 1, 1 is a pillar, 2a is a first beam (large beam) installed between columns 1 and 1 in the girder direction, and 2b is a second beam (a large beam) installed between columns 1 and 1 in the straddle direction. Large beam) 2c
Is a third beam (small beam) installed between the second beams 2b and 2b, and 3 is a ceiling slab.

A plurality of linear rail members 4 are provided on the lower surface of the ceiling slab 3 at appropriate intervals (for example, 640 mm).
It is provided in a state of being parallel to each other with a space therebetween and obliquely (to form an angle of about 45 degrees in the illustrated embodiment) with respect to the beams 2a, 2b, 2c. A, B, C, D
Is a conduit, ventilation duct, air conditioning duct, smoke exhaust duct,
Shows equipment pipes such as water supply pipes, hot water supply pipes, and gas pipes. All of these equipment pipes A to D are arranged at right angles to the beams 2a and 2c, part of the equipment pipes A and D are bent at a right angle, and the bent portions are to the beam 2b. They are arranged at right angles. Reference numeral 5 denotes a support member arranged at an intersecting position between each of the facility pipes A to D and the linear rail member 4, which is slidably supported by the linear rail member 4.

As shown in FIG. 2, the linear rail member 4 has a groove 4a that opens downward and is widened, and is fixed to the lower surface of the ceiling slab 3 with an adhesive and a concrete nail 6. E is a ceiling plate.

The support member 5 is of a type in which a clamp metal fitting 7 as shown in FIG. 3 is fixed by a bolt 8, a binding wire 9 as shown in FIG. 4 is connected, and an upper end of a hanging bolt 10 as shown in FIG. A plurality of types are prepared according to the types of facility pipes A to D to be supported, such as a type of screwing a portion, but in any type, the substrate portion 6a
And locking plate portions 6b, 6b that are bent and provided on both sides thereof,
As shown in (a) and (b) of FIG.
It is configured so that it can be switched between a state in which it is engaged with the groove 4a (a state in which the locking plate portions 6b, 6b are locked at both side edges of the groove 4a) and a state in which the engagement is disengaged by rotating it by 0 degree. There is.

Further, as shown in FIGS. 3 to 5, a stopper 6c, which is arch-shaped and has a V-shaped notch a at its central portion, is bent and connected to one side edge of the base plate portion 6a of the support member 5. It is set up. Then, as shown in (a) and (b) of FIG. 7, in a state in which the locking plate portions 6b and 6b are locked to both side edges of the groove 4a, the V-shaped notch a is formed by the minus driver 11. When the stopper 6c is pushed upward, the stopper 6c is plastically deformed so that both end surfaces 6d, 6d of the stopper 6c are linear rail members 4.
The groove 4a is pressed against the open end surfaces 4b, 4b of the groove 4a to prevent the support member 5 from rotating and freely sliding.

According to the above structure, the linear rail member 4 is previously provided on the lower surface of the ceiling slab 3 as shown in FIG.
The linear rail member 4 is made to support the necessary number of support members 5 prior to the construction of the equipment pipes A to D, in a state in which the support members 5 are obliquely positioned with respect to a, 2b, and 2c. Then, these supporting members 5 are slid to the intersecting positions of the equipment pipes A to D and the linear rail member 4, and the equipment pipes A to D are supported by the support members 5.

In this case, the linear rail member 4 is connected to the beam 2a,
Since they are located diagonally with respect to 2b and 2c, as long as the equipment pipes A to D are arranged in parallel with the beams, they must always intersect with any of the linear rail members 4 no matter where they are arranged. become. Therefore, by sliding the support member 5 with respect to the linear rail member 4, the support member 5
Can always be located at the intersection of the equipment pipes A to D and the linear rail member 4.

In the above embodiment, the groove is formed by rotating the supporting member 5 by 90 degrees around the vertical axis.
Although the structure in which it is possible to switch between the state in which it is engaged with 4a and the state in which it is disengaged is shown, the support member 5 may be, for example, slidably engaged from the end of the linear rail member 4. Alternatively, the linear rail member 4 may be inserted through a notch formed in a part of the linear rail member 4 in the longitudinal direction so as to be slidably engaged.

Although the ceiling slab 3 shown in the figure is made of reinforced concrete, it may be a ceiling slab having a deck plate driven into it. In this case, welding, adhesives, bolts, nuts, etc. are appropriately selected and used as means for attaching the linear rail member 4 to the lower surface of the ceiling slab 3. Further, when the ceiling slab 3 is constructed by using a temporary frame (ceiling slab formwork that performs demolding using plywood or the like) 12 and casting concrete in-situ, (a), (b) in FIG. ), The linear rail member 4 is
A cross-sectional shape with an anchor part 4c for concrete on the upper part, this linear rail member 4 is temporarily fixed to the upper surface of the temporary frame 12 using gum tape or the like, and the groove 4a is exposed in the ceiling slab 3 concrete May be embedded in. In each of the above embodiments, the linear rail member 4 is manufactured by bending a steel plate or the like, but the linear rail member 4 may be manufactured by aluminum drawing.

[0016]

According to the present invention, which has the above-described structure, the linear rail member is positioned obliquely with respect to the beam. Therefore, as long as the equipment pipes are arranged in parallel with the beam, which position is arranged However, it will always intersect with one of the linear rail members, and by sliding the support member with respect to the linear rail member, the support member will always cross the facility pipes and the linear rail member. Can be located in any position. Therefore, it is not necessary to accurately mark the fixing position of the insert metal fittings to the formwork for the ceiling slab, and the workability is good, and moreover, when there is a design change in the installation position of the equipment piping after the concrete placement of the ceiling slab. Can be dealt with easily.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a method of constructing an overhead ceiling facility piping according to the present invention.

FIG. 2 is a perspective view of a main part of the overhead ceiling facility piping.

FIG. 3 is an exploded perspective view of a main part.

FIG. 4 is a perspective view of a main part.

FIG. 5 is a perspective view of a main part.

FIG. 6 is an explanatory diagram of a method of attaching the support member.

FIG. 7 is an explanatory diagram of a method of fixing the support member.

FIG. 8 is a vertical cross-sectional view of a main part for explaining another embodiment of the present invention.

[Explanation of symbols]

 2a, 2b, 2c ... Beam 3 ... Ceiling slab 4 ... Linear rail member 4a ... Groove 5 ... Support member

Claims (1)

[Claims] 1. A plurality of linear rail members having downwardly opening deep grooves are provided on the lower surface of the ceiling slab in parallel with each other at appropriate intervals and at an angle to the beam. A plurality of support members capable of switching between a state in which the groove is engaged and a state in which the engagement is disengaged are slidably supported by the linear rail member, and are arranged at intersections of the linear rail member and facility piping. A method for constructing above-ceiling equipment pipes, which comprises supporting the equipment pipes with a supporting member.