JP2015183463A - Surface-finishing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a surface-finishing device capable of finishing without causing an unfinished area in a corner part, by enhancing uniformity of a concrete surface.SOLUTION: A surface-finishing device 1 comprises a frame 2, a pair of surface-leveling parts 7A and 7B installed in the frame 2 and providing a slidable leveling surface Wa on a bottom surface in a state of contacting on a concrete surface C and having the longitudinal direction orthogonal to the sliding direction of the leveling surface Wa, a travel steering part 4 installed in the frame 2 and moving the surface-leveling parts 7A and 7B along the sliding direction and a vibration body 3a for vibrating the surface-leveling parts 7A and 7B. The pair of surface-leveling parts 7A and 7B are installed in the frame 2 so as to mutually separate in the sliding direction. The travel steering part 4 is arranged between the pair of surface-leveling parts 7A and 7B.

Description

  The present invention relates to a self-propelled surface finishing apparatus that performs surface finishing while moving on a concrete surface after placing.

  Conventionally, concrete floor finishing machines described in Patent Literature 1 and Patent Literature 2 below are known as techniques in such fields. The concrete floor finishing machines described in Patent Document 1 and Patent Document 2 include two units in which a plurality of blades are radially attached to a rotating shaft. By rotating these blades, the concrete surface is finished.

JP-A-5-5357 JP-A-6-101401

  The concrete floor finishing machines described in Patent Document 1 and Patent Document 2 generate a propulsive force that moves the concrete floor finishing machine by the rotation of a blade. In order to generate this propulsive force, the plurality of blades are attached to the rotating shaft at a predetermined inclination angle with respect to the concrete surface. That is, since the blade is inclined with respect to the concrete surface, the pressure of the blade on the concrete surface becomes non-uniform. Therefore, it is difficult to improve the uniformity of the concrete surface. In addition, it is difficult to automatically finish the ends and corners of the finishing range, and in the finishing of such places, finishing by human power is necessary.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a surface finishing device that can improve the uniformity of the concrete surface and can finish without causing a region of unfinished corners or the like.

  One aspect of the present invention is a self-propelled surface finishing device that performs surface finishing while moving on a concrete surface after placing. The surface finishing device is provided with a frame and a pair of surface leveling surfaces that are attached to the frame and are provided with a leveling surface that can slide in contact with the concrete surface and have a longitudinal direction perpendicular to the sliding direction of the leveling surface. And a traveling steering unit that is attached to the frame and moves the surface leveling part along the sliding direction, and a vibration generating unit for vibrating the surface leveling part. The pair of surface leveling portions are attached to the frame so as to be separated from each other in the sliding direction. The traveling steering part is disposed between the pair of surface leveling parts.

  In this surface finishing device, a driving force for sliding the surface leveling portion is applied from the traveling steering portion to the surface leveling portion via the frame. Therefore, it is not necessary to always rotate the surface leveling portion in order to generate the propulsive force, and it is not necessary to incline the surface leveling portion with respect to the concrete surface. If it does so, since it becomes possible to provide a surface leveling part so that it may become parallel to the concrete surface, the pressure given to the concrete surface is equalized. Therefore, the uniformity of the concrete surface can be enhanced. Further, since it is not necessary to always rotate the surface leveling portion, the surface of the concrete can be leveled by the surface leveling portion even in an area such as an end or a corner of the finishing range. Therefore, according to the surface finishing apparatus, it is possible to finish the concrete surface without causing a region of unfinished finish.

  The traveling steering unit is rotatably attached to the frame with the direction of the normal of the concrete surface as the axis of rotation, and the surface leveling unit is juxtaposed along the longitudinal direction and the direction of the normal of the concrete surface is You may have two leveling plates rotatably attached with respect to the flame | frame as a rotating shaft line. According to this configuration, since the traveling steering unit can be directed in a desired direction, the moving direction of the surface finishing device can be set in a desired direction. And since the surface leveling part has the some leveling board attached with respect to the flame | frame, it can set a leveling board in the suitable direction with respect to a sliding direction.

  The surface finishing device further includes a control unit that controls a moving direction of the traveling steering unit and a rotation angle of the surface leveling unit with respect to the frame. The rotation angle of the leveling plate may be controlled so that the directions are orthogonal. According to this configuration, it is possible to finish the concrete surface while moving the surface finishing device in a desired direction.

  ADVANTAGE OF THE INVENTION According to this invention, the surface finishing apparatus which can finish without raising the uniformity of the concrete surface and producing the area | region of a finishing residue in a corner etc. is provided.

It is a perspective view which shows one Embodiment of the surface finishing apparatus of this invention. It is a schematic diagram which shows the control system of a surface finishing apparatus. It is a side view which shows an excitation connection part. It is a perspective view which shows a driving | running | working steering part. It is a schematic diagram which shows arrangement | positioning and a rotation range of a leveling board. It is a schematic diagram for demonstrating the combination of a surface leveling part. It is a top view which shows operation | movement of a surface finishing apparatus. It is a top view which shows operation | movement of a surface finishing apparatus. It is a top view which shows operation | movement of a surface finishing apparatus. It is a top view which shows another operation | movement of a surface finishing apparatus. It is a schematic diagram which shows the surface finishing apparatus which concerns on a modification.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same elements are denoted by the same reference numerals, and redundant description is omitted.

  The surface finishing apparatus according to this embodiment is an apparatus that performs surface finishing while moving on the concrete surface after placing. Hereinafter, as shown in each figure, XYZ orthogonal coordinates with the Z axis as the vertical axis and the XY plane as the horizontal plane are defined, and X, Y, and Z are used in the following description. Moreover, in this embodiment, the concrete surface used as the object of surface finishing shall be a horizontal surface. Further, in the following description, when words having front and rear concepts such as “front” and “rear” are used, they correspond to the front and rear in the traveling direction of the surface finishing device. In each drawing, in order to facilitate understanding of the description, the shape and size of each part of the surface finishing device may be exaggerated and the dimensional ratio on the drawing does not necessarily match the actual one.

  As shown in FIG. 1, the surface finishing apparatus 1 includes a frame 2, a leveling plate W1, a leveling plate W2, a leveling plate W3 and a leveling plate W4 attached to the frame 2, and leveling plates W1 to W1. Four vibration coupling parts 3 for coupling W4 to the frame 2, a traveling steering part 4 attached to the frame 2, and a control part 6 (see FIG. 2) are provided.

  The frame 2 forms the base of the surface finishing device 1 and is configured by combining a plurality of frame members. As these frame members, for example, an angle member having an L-shaped cross section, a U-shaped cross section, a hollow member having a rectangular cross section, or the like is used. The frame 2 includes a base portion 2a having a frame shape, a leveling plate connecting portion 2b provided at each of four corners of the base portion 2a, and a traveling connecting portion 2c provided at a substantially center in the frame of the base portion 2a. And have.

  The leveling plates W1 to W4 are members on flat plates having the same shape. The leveling plates W1 to W4 are attached to the leveling plate connecting portion 2b of the frame 2 so as to be rotatable about the direction of the normal line CN of the concrete surface C as the rotation axis. The length in the longitudinal direction of the leveling plates W1 to W4 is, for example, about 1.25 m. On the bottom surfaces of the leveling plates W <b> 1 to W <b> 4, a leveling surface Wa that can slide while being in contact with the concrete surface C is formed.

  The vibration coupling portion 3 rotatably connects the leveling plates W1 to W4 to the frame 2 and generates vibration along the direction of the normal CN of the concrete surface C to the leveling plates W1 to W4. It is something to be made. The vibration coupling part 3 is being fixed to the center of the longitudinal direction and the transversal direction of the leveling board W1, respectively. As shown in FIG. 3, the vibration coupling part 3 is a leveling plate rotation that rotatably couples the vibrating body (vibration generating part) 3a, the ring base 3b, and the vibrating body 3a to the leveling plate W1. A shaft 3c, a leveling plate rotating motor 3d for rotating the leveling plate W1, and a frame bracket 3g for attaching the vibrating body 3a to the leveling plate connecting portion 2b of the frame 2 are provided.

  The vibrating body 3a is disposed at the center in the longitudinal direction and the short direction of the leveling plate W1, and is fixed to the ring base 3b. The ring base 3b is rotatably connected to the leveling plate rotation shaft portion 3c. A gear is formed on the outer periphery of the leveling plate rotation shaft portion 3c, and a pinion gear 3e attached to the leveling plate rotation motor 3d is engaged. The leveling plate rotation motor 3d is attached to the ring base 3b via a motor bracket 3f. The leveling plate rotation motor 3 d is a motor that can be inverter controlled by a control signal transmitted from the control unit 6. The frame bracket 3g has a fork-like shape, and connects the leveling plate connecting portion 2b of the frame 2 and the ring base 3b. According to the frame bracket 3g, the leveling plate connecting portion 2b of the frame 2 can be rotated around the axis A1 orthogonal to the direction of the normal CN with respect to the ring base 3b.

  As shown in FIG. 4, the traveling steering unit 4 is rotatably attached to the traveling connection unit 2 c of the frame 2 with the direction of the normal line CN of the concrete surface C as the rotation axis A <b> 2. The travel steering unit 4 includes a travel motor 4a, a travel speed reducer 4b connected to the travel motor 4a, and a pair of wheels 4c connected to the travel speed reducer 4b. An axial pressure adjusting cylinder 4d for adjusting the axial pressure is attached to each of the pair of wheels 4c. Further, the traveling steering unit 4 includes a turning shaft 4f having a rotation axis A2, and a turning frame 4g that connects the turning shaft 4f and the traveling speed reducer 4b. The traveling steering unit 4 is rotatably attached to the frame 2 by the turning shaft 4f and the turning frame 4g. The traveling steering unit 4 has a turning cylinder 4h for generating rotational torque. One end of the turning cylinder 4 h is attached to the turning shaft 4 f and the other end is fixed to the frame 2.

  As shown in FIG. 2, the control unit 6 is connected to the leveling plate rotation motor 3 d of the vibration coupling unit 3, the travel motor 4 a of the travel steering unit 4, and the turning cylinder 4 h. Send. The control unit 6 controls the rotation angle of the leveling plates W1 to W4 with respect to the frame 2 by transmitting a control signal to the leveling plate rotating motor 3d. Moreover, the control part 6 controls the rotation speed of the wheel 4c by transmitting a control signal to the traveling motor 4a. Further, the control unit 6 controls the rotation angle of the traveling steering unit 4 with respect to the frame 2 by transmitting a control signal to the turning cylinder 4h.

  Here, the leveling plate and the surface leveling portion will be described in more detail. As shown in FIG. 5, when the leveling plates W1 to W4 are rotated, the leveling plates W1 to W4 do not interfere with each other, and the leveling plates W1 to W4 and the traveling steering unit 4 interfere with each other. It is placed in a position that does not. Here, the four circles E indicate movement trajectories when the leveling plates W1 to W4 are rotated. More specifically, the distance L1 between the rotation centers R of the leveling plate W1 and the leveling plate W2 is the rotation center of the leveling plate W2 to the length L2 from the rotation center R of the leveling plate W1 to the short side Wb. It is substantially equal to the length obtained by adding the length L3 from R to the short side Wb (L1 = L2 + L3) or slightly longer (L1> L2 + L3). Further, the distance L4 between the rotation centers R of the leveling plate W1 and the leveling plate W3 is the length L2 from the rotation center R of one leveling plate W1 to the short side Wb, and the rotation of the other leveling plate W3. It is approximately the same as the length L5 from the center R to the short side Wb (L4 = L2 + L5) or slightly longer (L4> L2 + L5).

  The surface finishing device 1 of the present embodiment can take two aspects with respect to the surface leveling portion. First, as shown in FIG. 6A, the leveling plate W1 and the leveling plate W2 form the first surface leveling portion 7A, and the leveling plate W3 and the leveling plate W4 are the second surface. There is a first mode that forms the leveling portion 7B. This 1st aspect is set when the advancing direction of the surface finishing apparatus 1 is made into the Y direction. In addition, as shown in FIG. 6B, the leveling plate W1 and the leveling plate W3 form the first surface leveling portion 7C, and the leveling plate W2 and the leveling plate W4 are the second surface. There is a second mode that forms the leveling portion 7D. This 2nd aspect is set when the advancing direction of the surface finishing apparatus 1 is made into the X direction. In any embodiment, the pair of surface leveling portions 7A and 7B and the pair of surface leveling portions 7C and 7D are separated from each other along the traveling direction of the traveling steering unit 4.

  In the surface finishing device 1, a driving force for sliding the surface leveling parts 7 </ b> A to 7 </ b> D is applied from the traveling steering unit 4 to the surface leveling parts 7 </ b> A to 7 </ b> D via the frame 2. Then, in order to generate a propulsive force, it is not necessary to always rotate the surface leveling portions 7A to 7D, and it is not necessary to incline the surface leveling portions 7A to 7D with respect to the concrete surface C. If it does so, since it becomes possible to provide the surface leveling parts 7A-7D so that it may become parallel with respect to the concrete surface C, the pressure given to the concrete surface C is equalized. Therefore, the uniformity of the concrete surface C can be improved.

  Further, since it is not necessary to always rotate the surface leveling portions 7A to 7D, it is possible to level the concrete surface C with the surface leveling portions 7A to 7D even in an area such as an end or a corner of the finishing range. Therefore, according to the surface finishing apparatus 1, it is possible to finish the concrete surface C without causing a region of unfinished finish.

  Moreover, as for the surface finishing apparatus 1, the traveling steering part 4 is arrange | positioned between the surface leveling parts 7A and 7B or between the surface leveling parts 7C and 7D. According to this configuration, it is possible to perform surface finishing while reciprocating the surface finishing device 1.

  Further, the surface finishing device 1 need not always rotate the surface leveling portions 7A to 7D in order to generate a propulsive force. Therefore, the electric power required for driving the surface finishing device 1 is electric power for driving the traveling steering unit 4 and electric power for changing the rotation angle of the traveling steering unit 4 and the leveling plates W1 to W4 when changing the traveling direction. is there. Therefore, the amount of power required when driving the surface finishing device 1 is suppressed. Furthermore, since the amount of power required for driving is reduced, it becomes possible to mount a power source such as a battery on the surface finishing apparatus 1 without depending on the external power supply. Therefore, since the movement range of the surface finishing device 1 is not limited by the power cable or the like, a wider concrete surface C can be finished.

  The surface finishing device 1 further includes a control unit 6. The control unit 6 controls the rotation angle of the leveling plates W1 to W4 so that the longitudinal directions of the leveling plates W1 to W4 are orthogonal to the moving direction of the traveling steering unit 4. According to this control, it is possible to finish the concrete surface C while moving the surface finishing device 1 in a desired direction.

  Here, operation | movement of the surface finishing apparatus 1 is demonstrated, referring FIGS. 7-9. 7 to 9, only the leveling plates W1 to W4 and the traveling steering unit 4 of the surface finishing device 1 are shown, and the other elements are not shown. The surface finishing device 1 moves on a rectangular concrete surface C surrounded by the mold 8 and the mold 9 to form a finished surface. First, the surface finishing apparatus 1 moves linearly to the corner along the mold 8 (see FIG. 7A). At this stage, the finishing region S is a region through which the surface leveling portion 7B located on the rear side of the traveling steering unit 4 in the traveling direction passes. Subsequently, after the surface finishing device 1 is moved away from the mold 9 (see FIG. 7B), the leveling plates W1 to W4 are rotated 90 degrees and the traveling steering unit 4 is rotated 90 degrees. (See FIG. 8 (a)). Subsequently, the surface finishing apparatus 1 moves in a direction away from the mold 8 after moving in the direction of the mold 8 (see FIG. 8B). Then, the leveling plates W1 to W4 are rotated 90 degrees and the traveling steering unit 4 is rotated 90 degrees (see FIG. 9A). Then, the surface finishing apparatus 1 finishes the concrete surface C while moving in the direction away from the mold 9 after moving in the direction of the mold 9.

  Therefore, the surface finishing apparatus 1 finishes the concrete surface C while performing a reciprocating operation as shown in FIGS. Therefore, the entire surface of the concrete surface C surrounded by the molds 8 and 9 does not cause an unfinished region even at a location such as the corner 11 formed between the molds 8 and 9. Can finish.

  The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention.

  For example, as shown in FIG. 10, the surface leveling portion 7E may be set so that the pair of leveling plates W2, W3 are separated from each other in the traveling direction. In FIG. 10, only the leveling plates W1 to W4 and the traveling steering unit 4 of the surface finishing device 1 are shown, and the other elements are not shown. Since the surface finishing device 1 can direct the traveling steering unit 4 in a desired direction, the moving direction of the surface finishing device 1 can be set in a desired direction. And since the surface leveling part 7A-7D has the two leveling plates W1-W4 rotatably attached with respect to the flame | frame 2, the leveling plates W1-W4 are made with respect to a sliding direction. The desired orientation can be set. Therefore, it is possible to finish the concrete surface C such that the mold 12, the mold 13, and the mold 14 are at a predetermined angle.

  Further, as shown in FIG. 11, the surface finishing apparatus 1 </ b> A may have a leveling plate Z. The smoothing plate Z has a short side Z2 formed obliquely with respect to the long side Z1. According to such a leveling plate Z, the ends of the leveling plate Z juxtaposed in a direction orthogonal to the traveling direction (Y direction in the case of FIG. 11) overlap each other when viewed from the traveling direction. . With this configuration, the finishing range V by the leveling plates Z when the surface finishing device 1A moves in the traveling direction overlaps (range Va), so that the leveling plates Z juxtaposed in the direction perpendicular to the traveling direction are between the leveling plates Z. There is no leveling residue.

  Further, the surface finishing apparatus 1 may operate automatically by programming the movement locus in the control unit 6 in advance. Moreover, the operator may remotely operate the surface finishing device 1 while monitoring the surface finishing device 1. Furthermore, the surface finishing apparatus 1 may include a sensor that detects the unevenness of the concrete surface C. According to this configuration, the surface finishing device 1 can determine the finishing state of the concrete surface C using the output of the sensor, and can automatically set the travel locus so as to satisfy the standard.

  Moreover, the surface finishing apparatus 1 may have, for example, three or more leveling plates as the surface leveling portions.

DESCRIPTION OF SYMBOLS 1,1A ... Surface finishing apparatus, 2 ... Frame, 3 ... Excitation connection part, 3a ... Vibrating body (vibration generating part), 4 ... Travel steering part, 6 ... Control part, 7A, 7B, 7C, 7D, 7E ... Surface leveling part, 8, 9, 11, 12, 13, 14 ... formwork, C ... concrete surface, CN ... normal, S ... finishing area, W1, W2, W3, W4 ... leveling plate.

Claims (3)

A self-propelled surface finishing device that performs surface finishing while moving on the concrete surface after placing,
Frame,
A pair of surface leveling portions attached to the frame and provided with a leveling surface on the bottom surface that can slide in contact with the concrete surface and having a longitudinal direction perpendicular to the sliding direction of the leveling surface;
A traveling steering part attached to the frame and moving the surface leveling part along the sliding direction;
A vibration generating part for vibrating the surface leveling part,
The pair of surface leveling portions are attached to the frame so as to be separated from each other in the sliding direction,
The traveling steering unit is a surface finishing device disposed between the pair of surface leveling units. The traveling steering unit is rotatably attached to the frame with the direction of the normal of the concrete surface as a rotational axis.
The surface leveling portion includes a plurality of leveling plates that are juxtaposed along the longitudinal direction and that are rotatably attached to the frame with a direction of a normal line of the concrete surface as a rotation axis. Item 2. The surface finishing apparatus according to Item 1. A control unit for controlling a moving direction of the traveling steering unit and a rotation angle of the surface leveling unit with respect to the frame;
The control unit controls a rotation angle of the leveling plate so that a longitudinal direction of the leveling plate is orthogonal to the moving direction of the traveling steering unit.
The surface finishing apparatus according to claim 2.

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