JPS6019389B2 - beam dropping device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION An object of the present invention is to provide a device having a novel configuration for dropping beam reinforcing bars onto a temporary beam frame.

Conventionally, handle IA, listed muscle IB, downward muscle IC, abdominal muscle I
When installing beam reinforcing bars 1 consisting of D inside temporary beam frame 2,
As shown in Figure 1, hang the tree block 2A on the temporary frame and set it aside.
The reinforcing bars 1 are assembled on this receiver 2A, and then the receiver is pulled out and the reinforcing bars 1 are dropped into the temporary frame like a so-called Daruma-otoshi. In this case, use a metal bar as a lever. However, during such work, the above-mentioned tree supports become "pin-shaped" and scatter around, potentially causing personal injury, and the temporary frame and insulation materials such as Styrofoam (trademark) are damaged due to the use of the birch for leverage. . In addition, when the reinforcing bars fall into the temporary frame, there is a risk of damaging the temporary frame and the reinforcing bars themselves, and it cannot be denied that accuracy will be reduced. And once you're depressed, you can't even correct this state of inaccuracy.
Since reinforced concrete is a structure made up of reinforcing bars and concrete, its strength is greatly affected by the location of the reinforcing bars and the form of the concrete, so the beam depression method described above is essential. There is a risk of triggering. The present invention aims to fully solve such problems, and the present invention will be described below with reference to the drawings.
The details of the embodiment will be explained. A is a beam dropping device of the present invention.

The structure is such that a threaded rod 4 is rotatably installed in the center of a lower frame 3 which is fixed on the temporary frame 2 in a direction perpendicular to the longitudinal direction of the temporary beam frame 2. An elevator 5 which is raised and lowered by the rotation of the threaded rod is provided above, and an upper pedestal 7 for receiving a rod-shaped receiving member 6 is disposed on the elevator in the same direction as the lower pedestal. 3A is a truncated conical built-up part in the direction of the screw penetrating the upper surface of the lower mount, and 3B is a contact plate formed on the lower surface of both sides of the lower mount, which is rotatable around the pin 36. is supported by

Reference numeral 7A denotes a recessed portion in the shape of a side surface that joins the built-up portion from above, and is formed on the lower surface of the upper pedestal.

4A is a handle fixed to the upper end of the threaded rod.

48 is a bearing disposed at the screw-like lower end.

Next, the method of using the present invention will be explained together with its effects.

A lower frame 3 is hung in a direction orthogonal to the longitudinal direction of the temporary frame 2, and several pieces are installed.

Although FIG. 6 and FIG. 7 show the case where two pieces are arranged on the temporary frame, it is natural that the number will increase or decrease depending on the dimensions of the temporary frame and the gate reinforcing bars 1. Next, as shown in FIGS. 8 and 9, the listed bar IB of the reinforcing bar 1 is locked in a state perpendicular to the scraped metal fitting 6. In this case, the lower IC is removed and temporarily fixed to the lower frame 3 with a wire or the like as shown in FIG. Then, when the threaded rod is rotated as shown in FIG. 9, the upper pedestal 7 is lowered little by little and comes into close contact with the lower pedestal 3. As a result, reinforcing bar 1
will be installed within a temporary frame. Bind the lower part IC to the lower side of the handle IA. IE is a spacer. After this, it is best to pour concrete into the temporary frame using the method described above. As described above, the present invention is useful in that it is possible to arrange the reinforcing bars 1 within the temporary frame 2 while eliminating the inconveniences and drawbacks pointed out at the beginning.

BRIEF DESCRIPTION OF THE DRAWINGS The drawings show one embodiment of the present invention, and FIG. 1 is a schematic perspective view of the sub-button construction method, FIG. 2 is a schematic sectional view of the same, and FIG.
The figure is a perspective view of the present application, Figure 4 is an enlarged view of a part of the same as above, Figure 5 is a sectional view taken along the line B-B of Figure 3, Figure 6 is a side view of the device in use, and Figure 7 is a plan view. 8 and 9 are front views for explaining the action.

A: Beam dropping device, 3: Lower frame, 4
...Neji Haru, 5...Elevator, 6...
... Rod-like metal odor, 7... Upper mount.

Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 8 Figure 9 Figure 6 Figure 7

Claims (1)

[Claims] 1. A threaded rod 4 is rotatably installed in the center of the lower frame 3 that is fixed on the temporary frame 2 in a direction perpendicular to the longitudinal direction of the temporary beam frame 2. An elevator 5 is provided which is raised and lowered by the rotation of the threaded rod, and an upper pedestal 7 is connected to the elevator in the same direction as the lower pedestal and receives a rod-shaped bracket 6. A built-up part 3A is formed in a truncated conical shape in the direction of the threaded rod that is penetrated, and a contact plate 3B is supported on the lower surface of both ends of the lower pedestal so as to be rotatable around a pin 3B'. A beam dropping device characterized in that the lower surface of the pedestal 7 is formed with a recessed portion 7A having a substantially ■-shaped side surface that fits into the built-up portion from above.