JP2597998Y2 - Jig for positioning PC floorboard - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application] The present invention relates to a P with a whisker on a beam.
CP that facilitates installation of floorboards and increases installation accuracy
The present invention relates to a jig for positioning a C floor plate.

[0002]

2. Description of the Related Art Recently, in various RC buildings, from the viewpoint of rationalization of construction, shortening of construction period, improvement of quality, etc.,
Pillars, beams, floorboards, load-bearing walls, etc., pre-manufactured and manufactured in factories and the like are widely used. For example, as shown in FIG. 1, the PC (precast) floorboard 11 a has a structure with a whisker which has an uneven cotter 12 formed on the end face of the RC floor slab and has a whisker 13 a protruding at appropriate intervals. Lift it with a crane or the like, place the end face on the beam (large beam, small beam) 10, place the beard 13 a on the beam 10 and erection, and place another PC floor plate on the opposite side of the beam 10. The end face and its beard line are similarly arranged and erected, and the beam 10
The preceding adjacent beard 13a and the succeeding beard are arranged in a superposed manner and welded to each other, and concrete is cast between the end faces of the PC floorboard and integrally joined to increase the joint strength. It has a structure.

[0003]

[Problem to be Solved by the Invention] Conventional PC with Mustache
The floorboard requires a lot of trouble and effort to accurately install the trailing beard muscle of the PC floorboard to be installed later in a superimposed manner with respect to the preceding beard muscle of the PC floorboard installed earlier on the beam as described above, There is a problem in the joint strength, reliability, etc., as well as the workability, such as the variation in the arrangement of the reinforcing bars.

The present invention has been developed in order to solve the above-mentioned problems. The purpose of the present invention is to make it easier to install a PC floor panel with a whisker and to improve the installation accuracy, An object of the present invention is to provide a jig for positioning a PC floorboard, which has improved joint strength and reliability, as well as reliability.

[0005]

SUMMARY OF THE INVENTION The present invention is directed to a main frame for positioning, which is arranged on the side of a preceding beard line of a PC floor panel previously set and set on a beam, and which is inclined on the main frame. An inclined guide portion that slides and guides a trailing beard line of a PC floor board to be installed later and is positioned on a beam, and a preceding beard line formed between a lower end portion of the inclined guide portion and a side portion of the main frame. The main frame with the oblique guide is arranged on the side of the preceding beard of the PC floor board on the beam, and the stop between the lower end of the oblique guide and the side of the main frame is provided. By locking the leading beard and setting it on the beam, the trailing beard of the floor PC board to be installed later is slid and guided by the oblique guide section and positioned, facilitating the installation of the PC floor board and ensuring installation accuracy and reliability. Is increasing the character.

[0006]

When the main frame with the oblique guide portion is arranged on the side of the preceding beard of the PC floorboard previously installed, the main frame with the oblique guide portion is provided at the locking portion between the lower end portion of the oblique guide portion and the side of the main frame. The leading beard is locked, the main frame is easily fixed at a fixed position on the beam, and the trailing beard of the PC floor board to be installed later is slid and guided by the oblique guide portion to prevent the leading beard. It is easily and accurately arranged on the side in a superimposed state, the main frame with the oblique guide part is removed upward, the beard streaks are welded together and concrete is cast, and the joint strength and installation workability of the PC floorboard are achieved.
Reliability has been effectively improved.

[0007]

1 and 2 show an embodiment of the present invention. In the drawing, 1 is a jig for positioning the PC floorboard of the present invention, 2 is a main frame of the jig 1 for positioning, 2a is a side portion of the main frame 2, and 3 is an oblique guide portion obliquely provided on an upper portion of the main frame 2. Reference numeral 3a denotes a locking portion of the preceding bar 13a formed between the lower end of the oblique guide portion 3 and the upper portion of the side portion 2a of the main frame 2. Reference numeral 5 denotes a handle protruding above the central portion of the main frame 2. Numeral 10 is a beam (large beam or small beam), 11a and 11b are PC floor plates, 12 is an uneven cotter formed on an end face of PC floor plates 11a and 11b, and 13a and 13b are PC floor plates 11.
a and 11b are provided with beards (leading beards, trailing beards) protruding from the end faces of the PC floorboard 11a at an appropriate interval. A positioning main frame 2 that is arranged and set on the beam 10 and a slanting guide that slides and guides a trailing whisker 13b on the floor PC board 11b that is installed on the main frame 2 and that is to be installed later. The positioning jig 1 for positioning the PC floorboard, which is provided with the mounting guide portion 3 and the locking portion 3a of the leading beard 13a formed between the lower end portion of the inclined guide portion 3 and the side portion 2a of the main frame 2. I'm sorry.

More specifically, in the positioning jig 1, as shown in FIG. 1, the main frame 2 is formed of a pair of plate members or the like arranged in parallel at an appropriate interval. It can be easily set on the beam 10 without being hindered by stud bolts 15 (see FIG. 2) erected at
The C floorboards 11a, 11b are formed in a mountain shape so as to protrude above the plate portions, and the one side surface 2a is arranged on the side of the preceding beard line 13a of the PC floorboard 11a previously installed. I'm sorry. The oblique guide portion 3 is welded to the mountain-shaped portion viewed from the side formed on the upper portion of the main frame 2 and is obliquely installed. And the main frame 2 has a structure in which a locking portion 3a of the preceding bar 13a is formed between the main frame 2 and the side portion 2a. A handle 5 protrudes from the upper center of the main frame 2.

As shown in FIG. 1, the PC floor panel 11a is suspended between beams (large beams, small beams, etc.) 10 such as H-beams and RC structures by being suspended by a crane or the like.
The concave and convex cotter 12 at the end face portion serves as an allowance on the side portion of the beam 10, and the leading mustache muscle 1 protruding from the end face portion.
3a is arranged and installed on the beam 10. Next, when the main body 2 with the oblique guide portion 3 of the positioning jig 1 is arranged so as to be in contact with the side portion of the preceding beard 13a on the beam 10, the lower end portion of the oblique guide portion 3 and the main frame 2 are arranged. The upper portion of the preceding beard muscle 13a is locked to the locking portion 5a between the side portion 2a and
The positioning jig 1 is easily and accurately fixed to the side of the preceding beard 13a, and the other PC floor plate 11b is suspended by a crane or the like on the beam 10 so that its ends are adjacent to each other. When installed, the trailing beard 13b of the end face of the PC floor plate 11b is slid and guided by the oblique guide portion 3 and descends, and the trailing beard 13b is trailed by the side of the preceding beard 13a of the previously installed PC floor plate 11a. The beard line 13b is easily and accurately arranged in a superimposed state (see FIGS. 1B and 2A), and when the positioning jig 1 is removed upward by the handle 5, for example, as shown in FIG. PC on beam 10)
The end faces of the floorboards 11a and 11b are arranged adjacent to each other with high accuracy, and the leading and trailing whiskers 13a and the trailing whiskers 13b are overlapped at a small interval (for example, the thickness of the oblique guide 3 and 10 mm or less). Are arranged in a shape such that the relief size between the beard streaks is small and the mutual welding is easily performed.
When the concrete C is cast between the end faces of the bosses 11b and 11b, the uneven cotter 12 formed on both end faces and the leading hair 13a
And stud bolt 1 on beam 10 and trailing beard 13b
5 and the like, the beam 10 is strongly and integrally joined between both ends of the PC floor boards 11a and 11b.

In the illustrated example, the case where the PC floor plate is installed on the beam of the H-section steel is illustrated. However, the same applies to the case where the PC floor plate is installed on the beam of various shaped steels or the RC beam. The structure of the PC floorboard is not limited to the illustrated example.

[0011]

[Effects of the Invention] As described above, the present invention is to dispose a main frame with an oblique guide portion for positioning on the side of the preceding beard line of the PC floorboard previously installed, and to dispose the lower end portion of the oblique guide portion. The leading beard is locked at the locking portion between the side of the main frame and the main frame with the oblique guide portion is fixedly set at a fixed position on the beam, and the trailing beard of the PC floor board to be installed later. The streaks are slid and guided by the oblique guide portions, and are accurately arranged in an overlapping manner on the side portions of the preceding beard streaks, the main frame with the oblique guide portions is removed upward, the beard streaks are welded to each other, and concrete is struck. The installation facilitates the installation of the PC floor panel with a whisker and enhances the installation accuracy, and significantly improves the joint proof strength and reliability as well as the workability.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention and its use mode (A), and a side view (B) and a plan view (C) of a jig for positioning a PC floorboard of the present invention.

FIG. 2 is a plan view (A) of an upper part of a beam and a cross-sectional view taken along line XX (B) of the beam, showing a positioning and installation state of a PC floor panel.

[Explanation of symbols]

 2 Main frame 2a Side part (main frame) 3 Slanting guide part 3a Locking part 10 Beam (large beam, small beam) 11a PC floor board 11b PC floor board 13a Mustache muscle (preceding mustache muscle) 13b Mustache muscle (following mustache muscle)

Claims (1)

(57) [Scope of request for utility model registration] 1. A main frame for positioning, which is disposed on a side of a preceding beard muscle of a PC floorboard previously set and set on a beam,
An oblique guide section that slides and guides a trailing beard line of a PC floor board that is obliquely mounted on the main frame and then installed on the beam, and between a lower end of the oblique guide section and a side of the main frame. Characterized in that it is provided with an engaging portion for the preceding beard muscle formed in
Jig for positioning C floorboard.