JPH0751839B2 - Portable wall concrete pouring equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates to a wall pouring concrete pouring device for compacting ready-mixed concrete filled in a formwork in concrete pouring work such as construction and civil engineering. .

[Conventional technology]

In a conventional concrete pouring site, as shown in FIG. 5, in order to perform compaction of green concrete (not shown) filled in the form 1, it is extended and branched from the installed power supply device 5 before the start of concrete pouring. Form vibrators 10 connected to the cord 4 and installed at predetermined locations on the form 1
There was used an apparatus in which the switch of the switch case 2 was turned on to operate to compact the green concrete.

[Problems to be Solved by the Invention]

However, in the above-mentioned conventional device, in order to supply power to a plurality of form vibrators installed at a predetermined position of the form, it is connected to a cord extended and branched from a power supply device installed at a remote place. Therefore, there are drawbacks that the cord and the power cord are easily entangled and the input plug of the power cord of the form vibrator is easily damaged.

While pulling the extension cord from the power supply unit installed at a certain remote location, operate the form vibrator at the specified location according to the tip of the ready-mixed concrete loading cylinder that is put into the formwork from the ready-mixed concrete pump car. However, it was the greatest difficulty in workability that the extension branch cord had to be circulated in a poor scaffolding in the field.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a concrete pouring device which eliminates the above-mentioned drawbacks, saves labor, reduces the burden on workers, and improves the work efficiency of concrete pouring.

[Means for Solving the Problems]

In order to solve the above-mentioned problems, the present invention provides a wall pouring concrete placing device in which a power supply device equipped with a storage battery and a form vibrator are connected to each other by a connecting means and a power line to form a portable device. It is possible to install the device at a predetermined location on the formwork, detect that the top position of the ready-mixed concrete in the formwork has reached the predetermined location, switch it on, and activate the form vibrator to enable compaction. According to a first aspect of the present invention, a portable wall pouring concrete pouring device is composed of a power supply device equipped with a storage battery and a form vibrator together with a connecting means and a power line.

Further, as in claim 2, the power supply device including the forward conversion device and the inverse conversion device and the form vibrator with a built-in three-phase induction electric machine are formed into one body by the connecting means and the power supply line. ,
Portable wall pouring concrete pouring device in which a power supply device for generating an alternating current of several Hz to 300 Hz and a form vibrator with a built-in three-phase induction motor connected to the power supply are integrally formed by a connecting means and a power supply line. Was constructed.

[Action]

Since the present invention is configured as described above, compaction of ready-mixed concrete in a formwork does not require connection to an extension branch cord from a power supply unit installed at a remote location, portable wall-cast concrete pouring It is carried out by the device, and there is no entanglement of the cord or damage to the input plug of the power cord of the form vibrating machine, and it is possible to save labor, reduce the burden on the worker, and improve the work efficiency of concrete placing.

That is, as described later, according to the embodiment of the present invention,
At the time of pouring concrete, by turning on the operation switch of the power supply device of the embodiment arranged at a predetermined location, current is supplied from the battery part of the power supply device to the forward conversion device of the DC-DC conversion step-up circuit part, Further, by supplying a current to the inverse conversion device of the DC-AC inverse conversion circuit, the DC-AC inverse conversion circuit operates so as to perform reverse conversion from DC to AC. The current generated from the inverse conversion device is an alternating current of three-phase 48V several Hz to 300 Hz. The current causes a form vibrator with a built-in three-phase induction motor to act, and concrete pouring is performed so as to perform compaction. It is done.

〔Example〕

 An embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a power supply device 20.
And FIG. 3 is a block diagram of an embodiment of the present invention, and FIG.
The figure is an explanatory view of the formwork attachment of the present embodiment.

As shown in FIG. 1, 10 is a mold vibrating machine. As shown in FIG. 4, a plurality of mold vibrating machines 10 are attached to predetermined positions of the mold 1 by known means. 20 is a power supply device, 21 is a battery part, 22 is a variable frequency regulator, 23 is a power indicator, 24 is an operation switch, 25 is a stop switch, 29 is a handle,
30 is a power supply line and 40 is a connecting means.

As shown in the sectional view of FIG. 2, the power supply device 20 is a box body having a battery part 21, a DC-DC conversion booster circuit part 26, a DC-AC reverse conversion circuit part 27, and a control circuit part 28 therein. , The box is a battery housing 21-1 with a built-in battery section 21 and a DC
A circuit case 21-2 containing a −DC conversion boost circuit section 26, a DC-AC reverse conversion circuit section 27, and a control circuit section 28,
The battery housing 21-1 and the circuit housing 21-2 have an opening / closing means 21-3 and a partition wall 21-4 at their joints. The outer surface 21-5 of the battery housing 21-1 has a variable frequency regulator 22, a power supply indicator 23, an operation switch 24, and a stop switch 25. Outer surface 21- of circuit housing 21-2
6 has a connecting means 40 for connecting the power supply line 30 and a handle 29 on the upper portion.

As shown in FIG. 1, in the embodiment of the present invention, the power supply device 20 and the form vibrator 10 are integrally formed by the connecting means 40 and the power supply line 30.

As shown in the block diagram of the embodiment of the present invention in FIG. 3, the respective parts, switches and the like of the power supply device 20 are electrically connected, although the reference numerals are omitted, and the power supply device 20 and the form vibrator 10 are connected. The connection means 40 and the power supply line 30 are formed as one body and constitute an embodiment of the present invention. It goes without saying that the length of the power supply line 30 is a predetermined length.

In this embodiment, a light emitting diode (LED) is selected as the power supply indicator lamp 23, but it is not necessarily limited to this.

The operation of the embodiment of the present invention configured as described above will be described.

As shown in FIG. 4, a plurality of form vibrators 10 are attached to predetermined positions of the form 1 for placing concrete. The power supply line 30 drawn from the form vibrator 10 is connected to the power supply device 20 by the connecting means 40.

When it is detected that the green concrete top not shown reaches the height of the form vibrator 1, and the operation switch 24 of the power supply device 20 is turned on as shown in FIG.
The DC current flows to the DC-DC conversion booster circuit unit 26, and the boosted DC current flows to the DC-AC inverse conversion circuit unit 27 and is inversely converted. The form vibrator 10 is operated by the inversely converted alternating current. At the same time when the operation switch 24 is turned on, the power supply indicator light 23 is turned on, the control circuit unit 28 operates, and the electrically connected battery unit 21, DC-DC conversion booster circuit unit 26, DC-
The control of each unit of the AC inverse conversion circuit unit 27 is performed.

Further, by turning on the operation switch 24, the frequency of the alternating current output from the DC-AC reverse conversion circuit unit 27 is several Hz to
It can be varied by the variable frequency regulator 22 over the range of 300 Hz. If you want to stop the operation further,
It can be stopped by turning off the stop switch 25. DC-DC conversion boost circuit 26, DC-AC reverse conversion circuit section
The control circuit unit 28 and the control circuit unit 28 are appropriately formed by known means.

〔The invention's effect〕

As described above in detail, according to the invention of claim 1, the wall pouring concrete placing device is configured to be portable in one body by the connecting means and the power supply line of the power supply device including the storage battery and the form vibrator. Therefore, the device is installed at a predetermined location on the formwork, and when the top position of the ready-mixed concrete in the formwork reaches the predetermined location, it is switched on and the formwork vibrator is activated to enable compaction. Therefore, it is not necessary to connect to the extension branch cord from the power supply unit installed at a remote place as in the past, and it is possible to prevent accidents due to entanglement of the cord and damage to the input plug of the power cord, and also to simplify it. This has the effect of reducing the burden on workers and improving the work efficiency of concrete pouring.

The invention of claim 2 and the invention of claim 3 can be expected to have the same effect as that of claim 1 as a further embodied invention.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a power supply device 20.
And FIG. 3 is a block diagram of an embodiment of the present invention, and FIG.
FIG. 5 is a diagram for explaining the mounting of the formwork of this embodiment, and FIG. 5 is a perspective view for explaining the mounting of the conventional formwork vibrator and the connecting means for the power source. DESCRIPTION OF SYMBOLS 1 ... Formwork, 2 ... Switch case, 3 ... Connection means, 4 ... Extension branch cord, 5 ... Power supply device, 10 ... Form vibrator, 20 ... Power supply device, 21 ... Battery part, 21-1 ... Battery housing ,
21-2 ... Circuit housing, 21-3 ... Opening / closing means, 21-4 ... Partition wall,
21-5 ... Outer surface, 21-6 ... Outer surface, 22 ... Frequency variable volume, 23 ... Power indicator, 25 ... Stop switch, 26 ... DC-DC
Conversion step-up circuit unit, 27 ... DC-AC reverse conversion circuit unit, 28 ... Control circuit unit, 29 ... Handle, 30 ... Power line, 40 ... Connection line.

 ─────────────────────────────────────────────────── ───Continued from the front page (56) References Microfilm (JP, U) of the contents and drawings attached to the application for Japanese Patent Application No. 63-151486 (No. 2-71755) A microfilm (JP, U) of the contents and drawings attached to the application for Japanese Patent Application No. Sho 60-111934 (No. Sho 62-21258).

Claims (3)

[Claims] 1. A portable wall pouring concrete placing device, characterized in that a power supply device equipped with a storage battery and a form vibrator are constructed as one body by a connecting means and a power supply line. 2. A power supply device equipped with a forward conversion device and an inverse conversion device and a form vibrator with a built-in three-phase induction motor are integrally formed by a connecting means and a power supply line.
Portable wall pouring concrete pouring equipment 3. A power supply device for generating an alternating current of several Hz to 300 Hz and a form vibrator with a built-in three-phase induction motor connected to the power supply are connected to each other by connecting means and a power supply line.
Portable wall pouring concrete pouring equipment