JPH0749717B2 - Leveling equipment for concrete floors - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a leveling device for a concrete floor surface.

(Prior Art) Conventionally, the construction of concrete floor surface is performed as follows.

First, a reinforcing bar is assembled in the formwork that constitutes the floor surface, concrete is driven into the formwork from a flexible hose, etc., and concrete is filled and compacted by a vibrator or the like.

Next, the worker performs leveling work, performs rough leveling work while adjusting the excess and deficiency of concrete with a wooden iron, and finally performs ruler cutting work such as pressing the top end with a ruler rod.

(Problems to be Solved by the Invention) In such a conventional method, in particular, the worker must perform the work below the leveling work by using the tool, which requires a large number of workers and the construction time. There was a problem that it took too long. Further, in this case, there is a problem that the worker requires a skilled skill, and even a skilled worker has variations in finishing accuracy among the workers.

The present invention has been devised in view of the above circumstances, and an object of the present invention is to reduce the number of workers and the construction time, without the need for skill and without causing variations. An object is to provide a leveling device for a concrete floor surface that can maintain high accuracy.

(Means for Solving the Problems) In order to achieve the above-mentioned object, the constitution of the present invention is shown in FIGS.
It will be described with reference to the drawings.

The present invention includes a machine body 7, a trowel arm 13 supported by the machine body 7 and having both ends located outside the machine body 7, and a concrete floor surface held at different angles at both ends of the trowel arm 13. Soldering iron 17 and arm rotating means 25, 65, 67 for rotating the iron 13 for the iron
And arm linear movement means 29, 31, 33 for linearly moving the iron 13 for the iron in the longitudinal direction with respect to the machine body 7, and traveling means 5 for moving the machine body 7 on the concrete floor surface. And

(Operation) According to the present invention, the arm turning means 25, 65, 67 and the arm linear moving means 29, 31, 33 move the trowel 17 via the trowel arm 13 to perform the leveling work of the concrete floor surface. , First
As in the invention described above, the number of workers can be reduced and the construction time can be shortened, and it is possible to maintain the finishing accuracy with high accuracy without requiring skilled skill and without causing variations.

Further, since the two irons 17 having different orientations are swung and moved linearly, leveling of the concrete floor surface, adjustment of excess or deficiency, rough leveling, finish leveling and other leveling operations can be performed efficiently. .

Further, if the height adjuster 15 is provided in the present invention, the leveling of the floor surface can be accurately performed.

Further, in the present invention, the machine body 7 is configured by being divided into the arm frame 9 and the traveling frame 11, and the traveling frame 11
If the arm frame 9 is rotatably connected to the above, the structure of the concrete leveling device can be simplified.

If the traveling arm 51 is provided on the traveling means 5 and the traveling arm 51 is provided with the supporting surface 85 which can come into contact with the iron 13 for the iron, the iron for the iron during traveling or when the arm 13 for the iron slides.
13 can be supported stably.

Also, arm turning means 25, 65, 67 and linear movement means 29, 31, 33,
It will be more convenient if each drive unit of the traveling means 5 is operated by remote control or is computer-controlled by a program created in advance.

(Embodiment) A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

Fig. 1 is a perspective view of the concrete leveling device, and Fig. 2 is the same.
A plan view and FIG. 3 show the same side view.

1 is a concrete leveling device, concrete leveling device 1
Is composed of concrete leveling means 3 and traveling means 5, and the machine body 7 of the concrete leveling apparatus 1 is composed of an upper frame 9 and a lower frame 11.

The concrete leveling means 3 includes an upper frame 9, a trowel arm 13 supported by the upper frame 9, and a height adjuster 15, a trowel 17 and the like supported at both ends of the trowel arm 13, respectively.

The upper frame 9 is, as shown in FIGS. 4 to 6,
An annular plate portion 19 having a predetermined diameter, a box-shaped frame member 21 having a cross-section welded along the diameter on the upper surface of the annular plate portion 19, and is welded to the annular plate portion 19 at a right angle to the frame member 21. The reinforcing member 23 and the like.

A chain 25 is formed on the outer peripheral surface of the annular plate portion 19 continuously in the circumferential direction.
Install.

A supporting hole 27 is formed on the lower surface of the center of the reinforcing member 23, a motor 29 for arm linear motion is attached to the middle portion of the side surface of the frame member 21, and a sprocket 31 is attached to the drive shaft of this motor 29.

A trowel arm 13 is slidably provided in the frame member 21 so as to penetrate the frame member 21 in the longitudinal direction thereof.

As shown in FIGS. 7 to 9, the iron 13 for the iron is
Attach the chain 33 to the upper surface. The chain 33 is positioned in the groove 35 formed in the frame member 21,
The sprocket 31 is meshed with the chain 33 from the notch 37 formed in the above, and the trowel arm 13 is linearly moved by the drive of the motor 29. In the embodiment, an MC nylon thin plate is attached to the inner surface of the frame member 21 in order to smoothly perform the linear movement of the iron 13 for the iron.

A height adjuster 15 is attached to both ends of the trowel arm 13 via brackets 39, and the trowel 17 is held by the height adjuster 15.

The iron 17 is formed by bending a thin plate material into a U-shaped cross section and having a predetermined length.

In the embodiment, one of the trowels 17 is arranged in parallel with the longitudinal direction of the trowel arm 13 and the other trowel 17 is arranged in a direction perpendicular to the longitudinal direction of the trowel arm 13. A rod 41 is provided so as to project upward from the center of each trowel 17, the rod 41 is fitted into a cylinder 43 held by a bracket 39, and the upper portion of the rod 41 is coupled to a motor 45 of the height adjuster 15.

The height adjuster 15 receives, for example, a signal from a laser leveler installed at an appropriate place around the floor surface, and drives the motor 45 while correcting the current height based on this signal to drive the rod.
The iron 41 is moved up and down to adjust the iron 17 to a desired height.

Next, the traveling means 5 of the concrete leveling apparatus 1 will be described.

The traveling means 5 includes a lower frame 11, a traveling arm 51 slidably supported by the lower frame 11, a traveling motor 52 for sliding the traveling arm 51, and a traveling arm 51 supported at both ends of the traveling arm 51, respectively. The vertical movement motor 53, the leg 55, and the like are provided.

As shown in FIGS. 10 to 12, the lower frame 11 is formed by arranging an upper frame member 57 and a lower frame member 59, which are box-shaped in section, at right angles to each other and welded to each other. A pin 61 is projected on this.

The upper frame 9 has a pin 61 fitted in the support hole 27, and is arranged on the lower frame 11 so as to be rotatable around the pin 61.

On the upper surface of the tips of the upper and lower frame members 57, 59, an iron for iron 1
A guide surface 63 made of an MC nylon resin plate which can be freely contacted is formed on the lower surface of 3 so that the upper frame 9 can be stably rotated.

Attach the turning motor 65 to the lower frame member 59, and
The sprocket 67 attached to the drive shaft of 65 is attached to the chain 25
The upper frame 9 is rotated by driving the motor 65.

The upper and lower frame members 57, 59 are fitted to the upper traveling arm 51A and the lower traveling arm 51B slidably in the longitudinal direction by penetrating the frame members 57, 59, respectively.

As shown in FIGS. 13 to 15 for the upper traveling arm 51A and in FIGS. 16 to 18 for the lower traveling arm 51B, the lower surface of the upper traveling arm 51A and the upper surface of the lower traveling arm 51B are shown. Each attaches a chain 69 along the longitudinal direction of the arm, and each chain 69 is positioned in the groove 71 of the upper and lower frame members 57, 59 as shown in FIGS. 11 and 12.

The traveling motors 52 are attached to the upper and lower frame members 57 and 59 respectively, and the sprockets 73 attached to the drive shafts of the respective traveling motors 52 are attached to the upper frame member 57 from the cutouts 75 on the lower surface thereof.
In the lower frame member 59, the groove is formed from the notch 77 on the upper surface thereof.
It faces inside 71 and engages with the chain 69 of each traveling arm 51. Then, the upper and lower traveling arms 51 are linearly moved by driving the respective traveling motors 52. In the embodiment, MC nylon thin plates are attached to the inner surfaces of the upper and lower frame members 57 and 59 in order to smoothly perform the linear movement of the traveling arm 51.

Brackets 53A and 53B are provided at both ends of the upper and lower traveling arms 51.
The vertical movement motor 53 is attached via the vertical movement motor 53, and the legs 55 are arranged via the vertical movement motor 53.

The legs 55 can be submerged below the concrete floor, and are formed of a thin plate with a predetermined length so as to support the machine body 7 by abutting against fixed objects such as reinforcing bars and base materials below the concrete floor. To do.

A rod 79 is provided so as to project upward from the leg body 55, the rod 79 is coupled to the motor 53, and the leg body 55 is vertically moved by driving the motor 53.

As shown in FIG. 2, the legs 55 of the upper and lower traveling arms 51 are spaced so that the legs 55 of the other traveling arm 51 can move between the two legs 55 of one traveling arm 51. To place.

In addition, pedestals 81 and 83 are erected on both ends of the upper and lower traveling arms 51, and MC nylon thin plates 85 are placed on the upper surfaces of the pedestals 81 and 83.
Attach. This MC Myron thin plate 85 is for supporting the trowel arm 13 in a stable manner by contacting the lower surface of the trowel arm 13 during movement of the machine body 7 and linear movement of the trowel arm 13, and particularly, the trowel arm 13 Stabilizes the iron arm 13 for the iron when it slides in the longitudinal direction and is biased to one side.

The above-mentioned members constituting the traveling means 5, that is, the lower frame 11,
Traveling arm 51, traveling motor 52, vertical movement motor 53,
The leg 55 is disposed inside the turning radius of the iron 17. In the embodiment, the traveling means 5 is arranged inside the turning radius of both the trowels 17, 17 with the trowel arm 13 slightly moved to the right from the state of FIG.

Although the upper and lower frames 9 and 11 and the arms 13 and 51 are made of steel in the embodiment, they can be made lighter by using aluminum alloy or synthetic resin.

In addition, each motor 29,52,53,65 is a concrete leveling device 1
It is operated remotely based on a signal from a control box remote from.

Next, the operation of the device will be described.

The leveling work of the concrete floor surface is performed by the trowel 17, and in this case, the machine body 7 may be performed while traveling or may be stationary.

In the embodiment, the iron 13 for the iron is reciprocally moved linearly, and the iron 17 disposed at right angles to the iron 13 for the iron is used mainly for leveling the floor and adjusting the excess / deficiency, and the arm 13 for the iron is swung back and forth. Then, the trowel 17 arranged in parallel with the trowel arm 13 is used for mainly roughening and finishing.

For traveling, first, the leg body 55 of one traveling arm 51 is made to dive into the concrete floor surface and abutted against the reinforcing bar, and the leg body 55 of the other traveling arm 51 is moved upward to move above the concrete floor surface. Position it. Next, the traveling arm 51 for supporting the moved up leg body 55 is moved by the traveling motor 52, or the traveling arm 51 for supporting the leg body 55 in which the lower frame 11 itself is brought into contact with the reinforcing bar. A traveling motor 52 is moved along. After the movement, move the leg 55 that has moved up to contact the rebar,
Next, the leg 55 brought into contact with the reinforcing bar is moved upward, and by repeating this operation, forward and backward and left and right traveling is performed. When the leg body 55 is moved upward, the traveling arm 51 that supports the leg body 55 is moved, and at the same time, the lower frame 11 itself is contacted with the reinforcing bar.
By moving along the traveling arm 51 that supports 55, it becomes possible to travel diagonally.

Therefore, according to the present embodiment, the iron
Moves to perform the leveling work on the concrete floor surface, which can reduce the number of workers and the construction time, does not require skilled skills, and can improve the leveling work while preventing variations in finishing accuracy. Can be done with precision.

Further, since the traveling means 5 is arranged inside the turning radius of the iron 17, the apparatus can be made compact, and in addition, the weight of the machine body 7 and the like can be reduced in accordance with the compactness. In this case, the iron 13 for the iron is cantileveredly extended from the machine body 7 to support the iron 13 for the iron only so that the iron 13 for the iron can be turned, and one iron 17 is provided at the tip of the arm 13 for the iron. good.

Further, since the two irons 17 having different directions are configured to rotate and linearly move, it is possible to efficiently perform the leveling of the floor surface, the adjustment of excess / deficiency amount, the rough leveling, and the leveling at the same time. .

Moreover, by using the height adjuster 15, the leveling of the floor surface can be accurately performed.

Further, since the machine body 7 is divided into the upper frame 9 and the lower frame 11, and the upper frame 9 is rotatably coupled onto the lower frame 11, the structure of the concrete leveling device 1 can be simplified. .

Further, although the motors 29, 52, 53, 65 are operated by remote control, it becomes more convenient if they are computer-controlled by a program created in advance.

In the embodiment, the traveling means 5 is adapted to the case where there is a hard object under the concrete floor such as a reinforcing bar, but in this case, not the linear leg 55 but an annular leg having a different diameter.
Two 55 may be provided, and the leg 55 having a small diameter may be disposed inside the side body 55 having a large diameter.

Further, the traveling means 5 may optionally be constituted by a rotating means such as a roller.

(Effect of the invention) As is clear from the above description, according to the concrete floor leveling apparatus according to the present invention, it is possible to reduce the number of workers and the construction time, without requiring skill, Further, the finishing accuracy of the leveling work can be maintained with high accuracy without causing variations.

[Brief description of drawings]

Fig. 1 is a perspective view of the concrete leveling device, and Fig. 2 is the same.
A plain view, FIG. 3 is the same side view, and FIGS. 4 to 6 are plan views, front views, side views, and FIGS. 7 to 9 of the upper frame, respectively.
The figures are the top view, front view, side view and 10th view of the iron for iron respectively.
Figures to 12 are respectively a plan view, a front view and a side view of the lower frame, and FIGS. 13 to 15 are plan views of an upper traveling arm, respectively.
A front view, a side view, and FIGS. 16 to 18 are a plan view, a front view, and a side view, respectively, of the lower traveling arm. In the figure, 1 is a concrete leveling device, 3 is a concrete leveling means, 5 is a traveling means, 7 is a machine body, 9 is an upper frame,
11 is the lower frame, 13 is the iron for the iron, 15 is the height adjuster,
Reference numeral 17 is a trowel, 51 is a traveling arm, 52 is a traveling motor, 53 is a vertical movement motor, and 55 is a leg.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-62-55373 (JP, A) Jpn. Pat. Appln. (JP, U) A microfilm (JP, U) of the specifications and drawings attached to the application for Japanese Patent Application No. 60-135536 (No. 62-42637)

Claims (5)

[Claims] 1. A body, a trowel arm supported by the body and having both ends located outside the body, and a trowel for leveling a concrete floor held at different angles at both ends of the trowel arm. And an arm revolving means for revolving the iron for the iron, an arm linear moving means for linearly moving the iron for the iron in the longitudinal direction, and a traveling means for moving the machine body on the concrete floor surface. A leveling device for concrete floor surfaces. 2. The leveling device for a concrete floor surface according to claim 1, wherein the iron is provided with a height adjuster. 3. The concrete floor surface according to claim 1, wherein the machine body comprises an arm frame for supporting a trowel arm and a traveling frame, and the arm frame is rotatably coupled to the traveling frame. Leveling device. 4. The traveling means includes a traveling arm disposed below the trowel arm so as to be linearly movable with respect to the machine body, and the traveling arm is capable of contacting a lower surface of the trowel arm. The concrete floor leveling device according to claim 1, wherein a supporting surface is provided. 5. The arm turning means, the arm linear movement means,
The concrete floor leveling device according to claim 1, wherein each drive unit of the traveling means is operated by remote control.