JP3239475U - floor finishing equipment - Google Patents

Abstract

A floor surface finishing apparatus is provided in which a finishing trowel can be easily moved up and down during floor surface finishing work. A floor surface finishing apparatus (100) comprises a leveling machine (3) having a power-type rotating iron (2) rotating like a propeller while contacting a floor surface (1) to be finished, and A planar finishing trowel 4 that is partially connected to a leveling machine 3 and a connecting mechanism 10 so as to be able to move up and down is provided. a storage battery 8 detachably attached to an operation handle 7 of the leveling machine 3 for powering the electric motor 6; and an operation for rotating/stopping the electric motor 6 and switching between normal and reverse rotation. and an operating means 9 arranged on the handle 7 . [Selection drawing] Fig. 1

Description

TECHNICAL FIELD The present invention relates to a floor surface finishing apparatus used for leveling or finishing a concrete floor surface or a mortar floor surface before hardening after pouring at a construction site.

Conventionally, various devices have been proposed for use in smoothing and finishing concrete floors and mortar floors after casting. For example, there is a "floor finishing apparatus" described in Patent Document 1.

The "floor surface finishing device" includes a leveling machine having a power-type rotary trowel that rotates like a propeller while contacting the floor surface to be finished, and a rotating surface of the rotary trowel connected to the leveling machine. A flat finishing trowel arranged in a part of the outer peripheral area of the trowel, and the finishing trowel is arranged so that at least part of the finishing trowel is in contact with the floor surface to be finished after the rotating trowel has passed through contact and

The above-mentioned "floor surface finishing apparatus" is excellent in that it is easy to handle, the final finishing work of the floor surface can be completed in a relatively short time, and the number of skilled workers can be reduced. .

Japanese Patent No. 3892029

When performing floor surface finishing work using the "floor surface finishing apparatus" described in Patent Document 1, operations such as landing the finishing trowel on the floor surface to be finished and separating the finishing trowel from the floor surface to be finished (lifting operation of the finishing trowel) is required, and these lifting operations are performed by manually operating a lifting lever provided on the operating handle.

However, the flat plate-shaped finishing trowel has a structure in which a connection member with the leveling machine, a reinforcing member, a weight for pressing the finishing trowel against the floor surface to be finished, etc. are provided, and it moves up and down together with the finishing trowel. Since the weight of the part is about 15 kg to 20 kg, a strong force is required to manually operate the lifting lever, which is a physical burden on the operator.

In addition, manual operation of the lifting lever (lifting operation of the finishing trowel) is often performed while the rotary trowel of the leveling machine is rotating. Since it is necessary to operate the lifting lever with the other hand while preventing the horizontal movement of the leveling machine, it is a great physical burden on the operator.

Furthermore, in the floor surface construction of large buildings, etc., the floor surface to be finished is wide, and it takes a long time to complete the floor surface finishing work. The need for repetition increases the physical burden on workers.

The problem to be solved by the present invention is to provide a floor surface finishing apparatus that can easily raise and lower a finishing trowel during floor surface finishing work.

A floor surface finishing apparatus according to the present invention comprises a leveling machine having a power-type rotary trowel that rotates like a propeller while contacting a floor surface to be finished, and a part of the outer peripheral region of the rotating surface of the rotary trowel. A floor surface finishing device comprising a leveling machine and a flat plate-shaped finishing trowel that is movably connected via a connecting mechanism,
an electric motor linked to the finishing iron via a linking means for raising and lowering the finishing iron; a storage battery detachably attached to the leveling machine to supply power to the electric motor; rotation/stopping of the electric motor; and an operating means for switching between forward and reverse rotation.

In the floor surface finishing apparatus, flexible wires, wires, strings, chains, or the like can be used as the linking means.

In the floor surface finishing apparatus, the storage battery may be a lithium ion battery, a lead storage battery, an alkaline storage battery (nickel-cadmium storage battery, nickel-hydrogen storage battery, nickel-iron storage battery, silver-cadmium storage battery), or the like.

Advantageous Effects of Invention According to the present invention, it is possible to provide a floor surface finishing apparatus capable of easily performing lifting operation of a finishing trowel during floor surface finishing work.

BRIEF DESCRIPTION OF THE DRAWINGS It is a partially-omission side view which shows the floor-surface finishing apparatus which is embodiment of this invention in a finish trowel-landing state. BRIEF DESCRIPTION OF THE DRAWINGS It is a partially-omitted side view which shows the floor-surface finishing apparatus which is embodiment of this invention in a finishing iron rising state. FIG. 2 is a partially omitted side view showing a state in which floor surface finishing work is being performed using the floor surface finishing apparatus shown in FIG. 1 ;

A floor surface finishing apparatus 100 according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 3. FIG. As shown in FIG. 1, the floor surface finishing apparatus 100 includes a leveling machine 3 having a plurality of power-type rotary trowels 2 that rotate like propellers while contacting a floor surface 1 to be finished, and the rotation of the rotary trowels 2. A planar finishing trowel 4 connected to a part of the outer peripheral area of the surface via a flattening machine 3 and a connecting mechanism 10 so as to be able to move up and down is provided. An operation handle 7 for an operator (not shown) to operate the floor surface finishing apparatus 100 is provided on a portion of the leveling machine 3 opposite to the finishing trowel 4 .

The floor surface finishing apparatus 100 also includes an electric motor 6 linked to the finishing iron 4 via a linking means (wire 5) to move the finishing iron 4 up and down, and an operation handle of the leveling machine 3 for supplying power to the electric motor 6. A storage battery 8 detachably attached to 7, and an operation means 9 arranged on the operation handle 7 for rotating/stopping the electric motor 6 and switching between forward and reverse rotation. The storage battery 8 can be easily attached to and detached from a mount portion 8a provided on a part of the operation handle 7 with a so-called one-touch operation. The discharged storage battery 8 can be charged by a charger that can be attached to and detached from a commercial power supply (AC 100 V) outlet or the like.

The leveling machine 3 is equipped with a prime mover 20 for rotationally driving a plurality of rotating irons 2. The plurality of rotating irons 2 are arranged along the vertical direction with a rotation axis C of a drive shaft (not shown). rotate around. A plurality of ring-shaped guard members 31 are arranged around the rotating area of the rotating iron 2 . A throttle lever 20 s for controlling the rotation speed (output) of the prime mover 20 is arranged on the operating handle 7 .

In the following description, the terms "front", "rear", "left", "right", "upper", and "lower" are used with the eyes directed toward the motor 20 and the finishing trowel 4. , the direction viewed from an operator (not shown) standing on the operation handle 7 side of the floor surface finishing apparatus 100 .

The connecting mechanism 10 is formed by a supporting member 11, an elevating arm 12, a connecting member 13, a trowel mounting member 14, and the like. The support member 11 is fixed to two left and right positions on the lowermost guard member 31, and has long holes 11a each having a long diameter in the front-rear direction. The rear end side of the lifting arm 12 is attached to the supporting member 11 via a support shaft 12a inserted through the long hole 11a so as to be rotatable and slidable in the front-rear direction. A connecting member 13 is rotatably (movably raised and lowered) via a support shaft 13a arranged along. A trowel attachment member 14 having an L-shaped cross section extending in the left-right direction is attached to the front end portion of the connecting member 13 .

A reinforcing member 15 having an L-shaped cross section is fixed to the rear edge of the finishing iron 4 along its longitudinal direction (horizontal direction). The finishing trowel 4 is detachably fixed to the trowel mounting member 14 by making contact, penetrating the reinforcing member 15 and screwing a plurality of eyebolts 16 toward the trowel mounting member 14 .

An angle adjuster 28 having a dial 28a is arranged on the operating handle 7, and the tip of an inner wire (not shown) of a wire 29 extending from the angle adjuster is positioned forward of the support shaft 13a. It is locked to a part of the connecting member 13 .

As described above, the connecting member 13 is rotatable (raising and lowering) about the support shaft 13a with respect to the elevating arm 12. Therefore, by rotating the connecting member 13 about the support shaft 13a, the floor surface can be finished. The contact angle θ (see FIG. 3) of the finishing iron 4 with respect to the floor surface 1 to be finished can be changed during the work.

Specifically, when the dial 28a of the angle adjuster 28 is rotated forward and reverse, the tip of the inner wire (not shown) of the wire 29 advances and retreats, thereby locking the tip of the inner wire. The connecting member 13 is rotated (raised) about the support shaft 13a, and the contact angle θ (see FIG. 3) of the finishing iron 4 changes.

A pair of flat plate-like bearing members 19, 19 are erected with a gap in the center of the iron mounting member 14 in the left-right direction, and a pulley 21 is rotatably supported between the bearing members 19, 19. As shown in FIG. Columnar locking rods 17 are erected on left and right portions of the upper surface of the iron mounting member 14 with the bearing members 19 and 19 interposed therebetween. The locking rods 17 have through holes (not shown) in the center. A disk-shaped weight 18 having a is detachably attached. 1 to 3, the length of the locking rod 17 is shown to be smaller than the height of the bearing member 19 so that the bearing member 19 and the pulley 21 can be seen. The length of the locking rod 17 may be greater than the height of the bearing member 19 so that a plurality of weights 18 can be attached to the locking rod 17 in a stack.

In the leveling machine 3, a vertical support 22 is erected at the center in the left-right direction in front of the prime mover 20, and a pulley 24 is rotatably supported by a bearing member 23 provided at the upper end of the support 22. there is One end of the outer cable 5a constituting the wire 5 is locked by the wire locking member 6a on the electric motor 6 side, and the other end of the outer cable 5a is locked by the wire arranged opposite to the pulley 24 of the post 22. It is locked to the member 22a. A horizontal rod 26 protrudes forward in the middle of the column 22 in the height direction, and a spring 27 that can be extended and contracted in the front-rear direction is attached to the tip of the horizontal rod 26 .

The tip side of the inner wire 5b extending from the wire locking member 22a is hung on the pulley 21 so as to make a U-turn, and the ring portion 5c at the tip thereof is attached to the hook 25 attached to the lower part of the pulley 24 of the post 22. It is detachably locked. The base end side (not shown) of the inner wire 5b extending from the outer cable 5a locked by the wire locking member 6a on the electric motor 6 side is connected to a wire winding reel (not shown) which is rotated by the drive of the electric motor 6. ) is locked.

The operation means 9 arranged on the operation handle 7 is provided with an up button 9a and a down button 9b. When the lift button 9a of the operation means 9 is pressed, power supply from the storage battery 8 to the electric motor 6 is started, the electric motor 6 rotates forward, and the base end side of the inner wire 5b of the wire 5 is wound around the reel, thereby forming a pulley. Since the pulley 21 is drawn close to the pulley 24, the front end side of the lifting arm 12 rotates about the support shaft 12a in the upward direction. As a result, the connecting member 13, the trowel mounting member 14, the reinforcing member 15, the finishing trowel 4, the weight 18 and the like provided on the tip side of the lifting arm 12 are lifted.

The electric motor 6 continues to rotate while the lift button 9a is being pressed, and stops rotating when the pressing is released. The finishing trowel 4 and the like are held in a suspended state by the tension of the inner wire 5b of the wire 5. As shown in FIG.

Thereafter, when the lowering button 9b of the operating means 9 is pressed, power supply from the storage battery 8 to the electric motor 6 is started, the electric motor 6 is reversed, and the tip side of the inner wire 5b of the wire 5 is engaged with the wire engaging member 22a. Since the outer cable 5a is extended from the tip side of the outer cable 5a, the weight 18 and the weight of the finishing trowel 4 cause the front end side of the lifting arm 12 to descend around the support shaft 12a (direction in which the pulley 21 separates from the pulley 24). to rotate. As a result, the connecting member 13, the trowel mounting member 14, the reinforcing member 15, the finishing trowel 4, the weight 18, and the like provided on the front end side of the lifting arm 12 are lowered.

Since the electric motor 6 continues to rotate while the lowering button 9b is pressed, if the pressing of the lowering button 9b is released when the finishing trowel 4 and the like are lowered to the required position, the electric motor 6 stops and the finishing trowel 4 and the like are stopped. retained in that state. After the front edge of the finishing iron 4 has landed on the floor surface 1 to be finished, the pressing of the lowering button 9b is released to stop the electric motor 6, whereby the finishing iron 4 is in contact with the floor surface 1 to be finished. is held in

As described above, by pressing or releasing the up button 9a and the down button 9b, the connection member 13 and the iron attachment member 14 provided on the front end side of the elevating arm 12, as shown in FIG. , the reinforcing member 15, the finishing iron 4, the weight 18, etc. can be raised or lowered.

On the other hand, when the floor surface finishing apparatus 100 is to be stored or transported, the lift button 9a is pushed to make the connecting mechanism 10 stand upright, and a part thereof (for example, the upper part of the support shaft 13a of the connecting member 13 is A horizontal member (not shown) provided along the left-right direction contacts the spring 27, and the finishing iron 4 and the like can be lifted to such an extent that the spring 27 contracts slightly.

Next, a usage example of the floor finishing apparatus 100 will be described with reference to FIGS. 1 to 3. FIG. When floor surface finishing work is performed using the floor surface finishing device 100, as shown in FIG. The electric motor 6 is operated to lower the connecting member 13, the trowel mounting member 14, the reinforcing member 15, the finishing trowel 4, the weight 18, etc. provided on the front end side of the elevating arm 12, thereby lowering the front edge portion 4a of the finishing trowel 4. It is brought into contact with the floor surface 1 to be finished.

At this time, as shown in FIG. 3, the inner wire 5b of the wire 5 that has been let out first from the pulley 24 can be in a slackened state to such an extent that a tensile force is not applied. 4 is not restricted by the inner wire 5b.

Next, rotate the dial 28a of the angle adjuster 28 to adjust the contact angle θ of the finishing trowel 4 with respect to the floor surface 1 to be finished, start the prime mover 20, and move the throttle lever 20s to rotate the prime mover 20. Rotation of trowel 2) is set appropriately.

Next, an operator (not shown) standing on the operating handle 7 side of the floor surface finishing device 100 grasps the operating handle 7 with both hands while facing the direction of the motor 20 and the finishing trowel 4, and moves backward. , the floor surface 1 to be finished is smoothed by the rotary trowel 2, and then the floor surface to be finished is moved by the finishing trowel 4 which slides over the smoothed floor surface 1 to be finished. 1 is finished in a flat state without unevenness. As described above, since the inner wire 5b is in a slack state during the floor surface finishing work, the movement of the finishing trowel 4 is not hindered or restrained, and a high level of floor surface finishing work can be performed. can.

During such floor surface finishing work, the finishing trowel 4 is moved away from the floor surface 1 to be finished or landed when the direction of the floor surface finishing apparatus 100 is changed or the floor surface finishing apparatus 100 is moved forward, backward, leftward, or rightward. Although it is necessary to repeat the operation, the lifting operation of the finishing iron 4 can be performed only by pressing the raising button 9a and the lowering button 9b of the operating means 9. FIG.

When it is necessary to raise and lower the finishing iron 4 while the rotating iron 2 of the leveling machine 3 is rotating, the lift button of the operating means 9 is pressed with the fingers of one hand while holding the operating handle 7 with both hands. Since the finishing trowel 4 can be moved up and down only by pressing the 9a or the lowering button 9b, the physical burden on the operator can be greatly reduced.

Therefore, not only can the finishing trowel 4 be moved up and down easily while the floor surface finishing device 100 is horizontally moving, but also the floor surface finishing device 100 can be horizontally moved while the rotary trowel 2 of the leveling machine 3 is rotating. The lifting operation of the finishing trowel 4 in a state in which it is held so as not to move is also facilitated.

As described above, in the floor surface finishing apparatus 100, it is possible to press the raising button 9a and the lowering button 9b of the operating means 9 while holding the operating handle 7 with both hands. The lifting operation of the finishing trowel 4 becomes extremely easy when floor surface finishing work is being performed using the floor surface finishing work 100, and the physical burden on the worker can be greatly reduced.

Also, when the storage battery 8 becomes weak (when the power is exhausted) during the floor surface finishing work, as shown in FIG. Facing work can be continued. On the other hand, the weakened storage battery 8 can be charged by a charger (not shown) set to a nearby outlet such as a commercial power supply (100 V AC).

A wire, a cord-like body, a chain, or the like can be used in place of the wire 5 in the floor finishing apparatus 100 . In the floor surface finishing apparatus 100, the storage battery 8 uses a lithium ion battery, but it is not limited to this. A silver/cadmium storage battery) or the like can also be used. Furthermore, if the prime mover 20 itself is equipped with a battery, for example, a battery (not shown) for driving a starting starter motor, the battery can be used instead of the storage battery 8 .

The floor leveling machine 3 that constitutes the floor finishing apparatus 100 is a walking type floor leveling machine that is operated while the worker walks, but it is not limited to this, so that the worker rides on it. A plate-shaped finishing trowel 4 or the like is connected via a connecting mechanism 10 to a part of the outer peripheral region of the rotating surface of the rotating trowel of a riding-type (horse-riding) floor leveling machine (not shown) to be operated so that it can be raised and lowered. By doing so, it is possible to form a floor finishing device having the same function as the floor finishing device 100 .

The floor surface finishing apparatus 100 described with reference to FIGS. 1 to 3 shows an example of the floor surface finishing apparatus according to the present invention, and the floor surface finishing apparatus according to the present invention is the above-described floor surface finishing apparatus. It is not limited to device 100 .

INDUSTRIAL APPLICABILITY The floor surface finishing apparatus according to the present invention can be widely used in industrial fields for finishing such as concrete floor surfaces and mortar floor surfaces.

REFERENCE SIGNS LIST 1 floor surface to be finished 2 rotating trowel 3 leveling machine 4 finishing trowel 4a front edge portion 5, 29 wire 5a outer cable 5b inner wire 5c ring portion 6 electric motor 6a, 22a wire locking member 7 operating handle 8 storage battery 8a mounting portion 9 Operating Means 9a Raising Button 9b Lowering Button 10 Connecting Mechanism 11 Supporting Member 11a Long Hole 12 Lifting Arms 12a, 13a Support Shaft 13 Connecting Member 14 Trowel Mounting Member 15 Reinforcement Member 16 Eyebolt 17 Locking Rod 18 Weight 19, 23 Bearing Member 20 Prime mover 20s Throttle lever 21, 24 Pulley 22 Post 25 Hook 26 Horizontal rod 27 Spring 28 Angle adjuster 28a Dial 31 Guard member θ Grounding angle 100 Floor finishing device

Claims (3)

A leveling machine having a power-type rotary trowel that rotates like a propeller while contacting the floor surface to be finished, and a part of the outer peripheral area of the rotating surface of the rotary trowel via a connection mechanism with the leveling machine. A floor surface finishing device comprising a flat plate-shaped finishing trowel connected so as to be able to move up and down,
an electric motor linked to the finishing iron via a linking means for raising and lowering the finishing iron; a storage battery detachably attached to the leveling machine to supply power to the electric motor; rotation/stopping of the electric motor; and an operating means for switching between forward and reverse rotation. 2. The floor surface finishing apparatus according to claim 1, wherein said linking means is any one of a flexible wire, wire, cord-like body and chain. 3. The floor finishing apparatus according to claim 1, wherein said storage battery is any one of a lithium ion battery, a lead storage battery, and an alkaline storage battery (nickel-cadmium storage battery, nickel-hydrogen storage battery, nickel-iron storage battery, silver-cadmium storage battery). .

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