JP6259330B2 - Surface finishing device - Google Patents

Description

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

  Conventionally, as a technology in such a field, a surface leveling device described in Patent Document 1 below is known. This surface leveling device is fixed to the leveling plate via a rectangular leveling plate that can slide on the concrete surface, a vibration generator mounted in the center of the leveling plate, and a plurality of locking parts. And a U-shaped operation handle.

JP 2006-257726 A

  In this surface leveling device, for example, it is difficult for the vibration of the vibration generator to be transmitted to the end portion of the leveling plate, and there is a problem that the smoothness of the concrete surface is easily different between the center portion and the end portion. In this type of surface finishing apparatus, it is required to make the finished surface of the concrete uniform. Then, an object of this invention is to provide the surface finishing apparatus which can improve the uniformity of the finishing surface of concrete.

  The surface finishing device of the present invention is a surface finishing device that performs surface finishing while moving on the concrete surface after placement, and is provided with a leveling surface that is slidable in contact with the concrete surface on the bottom surface. A vibration that includes a surface leveling portion having a longitudinal direction orthogonal to the sliding direction of the leveling surface and a vibration generating portion for vibrating the surface leveling portion, and transmits vibration from the vibration generating portion to the surface leveling portion. A plurality of transmission points are dispersed in the longitudinal direction and are present.

  According to this surface finishing device, since there are a plurality of vibration transmission locations dispersed in the longitudinal direction of the surface leveling portion, it is possible to reduce variations in vibration in the longitudinal direction of the surface leveling portion. Therefore, the uniformity of the finished surface of concrete can be improved.

  Further, the surface leveling portion may include a plurality of leveling plates each having a vibration transmitting portion and arranged in the longitudinal direction, each having a bottom surface that constitutes a part of the leveling surface. According to this configuration, the weight of the own device can be distributed to the plurality of leveling plates, so that the deflection of the surface leveling portion can be reduced. Therefore, the uniformity of the finished surface of concrete can be improved.

  The vibration generating unit may include a power source that generates power and a vibrating body that vibrates in response to power from the power source, and a plurality of power sources may be dispersed in the longitudinal direction. According to this configuration, the weight of the power source can be dispersed in the longitudinal direction.

  Further, a handle for dragging and moving the surface leveling part on the concrete surface may be further provided, and the handle may be coupled to the surface leveling part via a hinge structure having the longitudinal direction as an axis. According to this configuration, the occurrence of a moment around the longitudinal direction at the surface leveling portion due to the operation of pulling the handle is avoided, so that unevenness of the leveling surface in the sliding direction can be suppressed.

  Moreover, the surface finishing apparatus of this invention is good also as having an outrigger part which is provided so that a movement in the direction which protrudes in a sliding direction from a surface leveling part is possible, and contacts on the concrete surface. According to this configuration, the outrigger portion can suppress the inclination of the leveling surface around the longitudinal direction, and the unevenness of the leveling surface in the sliding direction can be suppressed.

  In addition, when the surface leveling portion has the above-described plurality of leveling plates, the end portions of the bottom surfaces of the leveling plates adjacent to each other in the longitudinal direction overlap each other when viewed from the sliding direction of the leveling surface. It is good. According to this configuration, the loci of the bottom surface when moving in the sliding direction overlap, so that no leveling residue is generated between the leveling plates.

  ADVANTAGE OF THE INVENTION According to this invention, the surface finishing apparatus which can improve the uniformity of the finishing surface of concrete can be provided.

It is a perspective view which shows 1st Embodiment of the surface finishing apparatus of this invention. (A) is a top view which shows the modification of the surface finishing apparatus of this invention, (b) is the back view. (A) is a top view which shows 2nd Embodiment of the surface finishing apparatus of this invention, (b) is the rear view. (A) is a top view which shows 3rd Embodiment of the surface finishing apparatus of this invention, (b) is the rear view. (A) is a top view which shows 4th Embodiment of the surface finishing apparatus of this invention, (b) is the rear view. FIG. 6 is a vertical sectional view showing a joint portion between the rear end face of the outrigger and the front end face of the leveling plate in the surface finishing device of FIG. 5. (A), (b) is a perspective view which shows operation | movement of the surface finishing apparatus of FIG. (A), (b) is a perspective view which shows operation | movement of the surface finishing apparatus of FIG.

  Hereinafter, embodiments of the surface finishing apparatus according to the present invention will be described in detail with reference to the drawings. The same or equivalent components in each embodiment will be denoted by the same reference numerals in the drawings, and redundant description will be omitted.

  The surface finishing apparatus according to each 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. Further, the moving direction of the surface finishing device during use is defined as the + Y direction. 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.

(First embodiment)
The surface finishing device 101 shown in FIG. 1 includes a surface leveling unit 3, a vibration generating unit 5 for vibrating the surface leveling unit 3, and a surface leveling unit 3 dragged in the Y direction on the concrete surface C. And a handle 7 for movement.

  The surface leveling unit 3 includes a flat leveling plate 11 having a longitudinal direction in the X direction. The length of the surface leveling portion 3 in the X direction is, for example, about 2.5 m. On the bottom surface of the leveling plate 11, a leveling surface 13 is formed that can slide in contact with the concrete surface C. The surface leveling unit 3 also includes a frame for mounting the vibration generating unit 5 and the like on the upper surface of the leveling plate 11.

  The vibration generating unit 5 includes a power source 17, two vibrating bodies 19 that vibrate upon receiving power from the power source 17, and a shaft 21 that transmits the power from the power source 17 to the vibrating body 19. . The power source 17 is mounted at the center of the surface leveling portion 3 in the X direction. As the power source 17, for example, an internal combustion engine or a motor can be employed. The two vibrating bodies 19 are arranged at positions symmetrical to each other in the X direction with the power source 17 interposed therebetween, and are fixed to the upper surface of the leveling plate 11. As the vibration body 19, for example, a vibration device including an eccentric weight that rotates following rotation of the shaft 21 can be employed. Two locations on the surface leveling portion 3 to which the vibrating body 19 is attached become vibration transmission locations V where the vibration from the vibration generating portion 5 is transmitted to the surface leveling portion 3.

  The handle 7 has a U shape in plan view, and is coupled to the surface leveling portion 3 via two connecting portions 23. The connecting portion 23 has a hinge structure with the X direction as an axis, and the handle 7 can rotate around the X axis with respect to the surface leveling portion 3. The two connecting portions 23 are provided at positions symmetrical to each other in the X direction when viewed from the center of the surface leveling portion 3. The operator can drag and move the surface leveling portion 3 on the concrete surface C in the + Y direction by pulling the handle 7 in the + Y direction.

  A brake mechanism (not shown) for intentionally prohibiting the rotation of the handle 7 with respect to the surface leveling unit 3 or its operating means may be provided by a predetermined operation by the operator. In this case, by prohibiting the rotation of the handle 7, the operator can easily move the surface leveling part 3 intentionally and get over the uneven surface of the concrete surface C.

  The effects of the surface finishing apparatus 101 having the above configuration will be described. When the vibration body 19 receives power from the power source 17 and vibrates, vibration is transmitted to the surface leveling portion 3 at the vibration transmission point V, and the leveling plate 11 vibrates. When the surface finishing device 101 is dragged in the Y direction in this state, the leveling surface 13 slides while striking the concrete surface C, whereby the concrete surface C is leveled flat.

  Here, in the surface finishing apparatus 101, since there are a plurality of vibration transmission locations V dispersed in the X direction, variation in vibration in the X direction (longitudinal direction) of the surface leveling portion 3 can be reduced. Therefore, the uniformity in the X direction of the concrete finished surface can be enhanced. In order to achieve this effect, the number of vibrating bodies 19 is not limited to two. For example, like the surface finishing device 151 shown in FIG. 2, the number of vibrating bodies 19 arranged in the X direction may be further increased. In the case of the example of FIG. 2, there are a total of six vibration transmission locations V corresponding to the installation locations of the six vibrators 19.

  In order to reduce the variation in vibration in the X direction (longitudinal direction) of the surface leveling part 3, it is conceivable to improve the rigidity of the leveling plate 11, but this causes an increase in the weight of the apparatus and the operator's weight. This is not preferable because the burden increases.

  Further, since the handle 7 is hinge-coupled to the surface leveling portion 3, it is possible to avoid the moment around the X axis from being generated in the surface leveling portion 3 due to the operation of pulling the handle 7. Therefore, unevenness in the Y direction of the leveling surface 13 sliding on the concrete surface C can be suppressed, and as a result, the uniformity of the finished surface of the concrete can be further increased.

(Second Embodiment)
A surface finishing device 201 shown in FIGS. 3A and 3B includes a surface leveling unit 203 and a vibration generating unit 205 for vibrating the surface leveling unit 203. The surface leveling part 203 has two flat leveling plates 211 and 212 arranged in the X direction. On the bottom surfaces of the leveling plates 211 and 212 are formed leveling surfaces 213 and 214 that can slide in contact with the concrete surface C. The end portions 213a and 214a inside the two leveling surfaces 213 and 214 overlap each other when viewed from the Y direction (as viewed from the direction of FIG. 3B). With this configuration, since the trajectories of the leveling surfaces 213 and 214 overlap when the surface finishing device 201 moves in the Y direction, no leveling residue is generated between the leveling plates 211 and 212. Further, the leveling plate 211 and the leveling plate 212 may be coupled at the center of the surface leveling portion 203 with a hinge portion (not shown) whose axis is the Y direction. According to such a hinge portion, the positions of the inner end portion of the leveling plate 211 and the inner end portion of the leveling plate 212 can be prevented from greatly deviating in the vertical direction.

  The two leveling plates 211 and 212 are connected via a joint frame 27 extending in the X direction. One end of the joint frame 27 is connected to the upper surface of the leveling plate 211 by a hinge portion 29 having the Y direction as an axis, and the other end of the joint frame 27 is leveled by a hinge portion 30 having the Y direction as an axis. 212 is connected to the upper surface of 212.

  The vibration generating unit 205 includes a vibration generator 206 mounted on the central upper surface of the joint frame 27. The vibration generator 206 integrally includes a power source 17 and a vibrating body 19 that vibrates in response to power from the power source 17. With this configuration, the vibration generated in the vibration generating unit 205 is distributed and transmitted to the two leveling plates 211 and 212 through the joint frame 27. The position of the hinges 29 and 30 is a vibration transmission point V where the vibration from the vibration generating unit 205 is transmitted to the surface leveling unit 203.

  Also with the configuration of the surface finishing device 201 described above, since there are a plurality of vibration transmission locations V dispersed in the X direction, it is possible to reduce variations in vibration in the X direction (longitudinal direction) of the surface leveling portion 203. Therefore, the uniformity in the X direction of the concrete finished surface can be enhanced. Furthermore, since the surface leveling portion 203 has a plurality of leveling plates 211 and 212, the weight of the own machine can be distributed to the plurality of leveling plates 211 and 212. The bending of the surface leveling portion 203 can be made smaller than when the single leveling plate 11 (see FIG. 1) is employed. Therefore, the uniformity of the finished surface of the concrete can be further improved.

(Third embodiment)
The surface finishing device 301 shown in FIGS. 4A and 4B includes a surface leveling unit 203 and a vibration generating unit 305 for vibrating the surface leveling unit 203. The vibration generator 305 includes a vibration generator 206 that is installed one on each of the upper surfaces of the leveling plates 211 and 212. A location on the leveling plates 211 and 212 where the vibration generator 206 is installed becomes a vibration transmission location V where the vibration from the vibration generating portion 205 is transmitted to the surface leveling portion 203. Even with such a configuration of the surface finishing apparatus 301, the same effects as the surface finishing apparatus 201 can be obtained.

(Fourth embodiment)
The surface finishing apparatus 401 shown in FIGS. 5 to 8 further includes two outrigger portions 41 and 42 in addition to the configuration of the surface finishing apparatus 201 (FIG. 3) described above. The outrigger portions 41 and 42 are provided so as to be horizontally movable in a direction protruding from the surface leveling portion 403 in the Y direction, and contact the concrete surface C. Further, the two leveling plates 411 and 412 included in the surface leveling unit 403 are different in shape from the above-described leveling plates 211 and 212.

  The outrigger portions 41 and 42 have a triangular plate shape in plan view, and are provided on both sides of the surface leveling portion 403 in the Y direction. The outrigger portions 41 and 42 are supported on the lower surface of the joint frame 27 via a slide rod 45 extending in the Y direction. The joint frame 27 has a guide portion (not shown) that supports the slide rod 45 so as to be slidable in the Y direction. Outrigger portions 41 and 42 are attached to both ends of the slide rod 45, respectively. Each of the outrigger portions 41 and 42 has a rod fixing portion 49 that can switch between an open state in which the slide rod 45 is slidably supported in the Y direction and a fixed state in which the slide rod 45 is fixed. . As such a mechanism of the rod fixing portion 49, for example, a known mechanism such as a mechanism combining a guide member that guides the slide rod 45 in the Y direction and a push bolt may be adopted. In the example shown in FIG. 5, two slide rods 45 are provided, but the number of slide rods 45 may be one or three or more.

  In a plan view, the outrigger portion 41 has a triangular shape that enters a gap formed between the leveling plates 411 and 412. Further, as shown in a vertical cross section in FIG. 6, horizontally extending concave grooves 411 c and 412 c are formed on the front end surfaces of the leveling plates 411 and 412, and concave grooves 411 c and 412 c are formed on the rear end surface of the outrigger portion 41. A protrusion 41c that fits into 412c is formed. In FIG. 5, FIG. 7, and FIG. 8, detailed depiction of the shapes of the concave grooves 411c, 412c and the ridges 41c is omitted.

  When the outrigger portion 41 is retracted along the slide rod 45 toward the surface leveling portion 403 and the protrusion 41c and the grooves 411c and 412c are fitted, the front edge 41b extending in the X direction of the outrigger portion 41 is The leveling plates 411 and 412 are positioned on the same straight line as the front end edges 411b and 412b. In this state, a fixing portion 43 (see FIGS. 7 and 8) for fixing the outrigger portion 41 to the leveling plates 411 and 412 by, for example, screwing or the like is provided on the upper surface of the outrigger portion 41. . The outrigger portion 41 is fixed to the surface leveling portion 403 by the fixing portion 43, and the protrusion 41c and the concave grooves 411c and 412c are fitted to each other so that the outrigger portion 41 and the leveling plates 411 and 412 are integrated. Vibrate. In addition, since the outrigger part 42 also has the structure equivalent to the outrigger part 41 mentioned above, the overlapping description is abbreviate | omitted.

  When the surface finishing device 401 is used, the slide rod 45 is extended toward the front in the traveling direction, and the outrigger portion 41 (or the outrigger portion 42) is projected forward. Thereby, the inclination of the surface leveling part 403 around the X axis can be suppressed, and unevenness in the Y direction of the leveling surfaces 413 and 414 sliding on the concrete surface C can be suppressed. As a result, the uniformity of the finished surface of the concrete can be further improved.

  Next, referring to FIGS. 7 and 8, when using the surface finishing device 401, for example, the outrigger portion at the time of reaching the end portion (for example, the concrete formwork B) of the leveling treatment range and reversing the traveling direction Operations of 41 and 42 will be described. 7 and 8, illustration of the joint frame 27, the vibration generating unit 205, and the like of the surface finishing device 401 is omitted to make it easy to see the portions necessary for the description.

  First, in a normal state where the surface finishing device 401 moves on the concrete surface C, the front outrigger portion 41 projects forward, and the rear outrigger portion 42 is fixed to the surface leveling portion 403 by the fixing portion 43. At this time, all the rod fixing portions 49 are in a fixed state in which the slide rod 45 is fixed. As shown in FIG. 7A, when the surface finishing device 401 approaches the concrete formwork B, the rod fixing portion 49 of the outrigger portion 42 is opened. When the surface finishing device 401 further advances in this state, the outrigger portion 41 and the slide rod 45 are pushed into the surface leveling portion 403 by the concrete mold B as shown in FIG. The edge 41b and the front end edges 411b and 412b of the leveling plates 411 and 412 are in contact with the concrete mold B.

  Subsequently, the fixing portion 43 of the outrigger portion 42 is released, and as shown in FIGS. 8A and 8B, the outrigger portion 42 is manually moved to the rear end of the slide rod 45 protruding rearward, The rod fixing portion 49 of the outrigger portion 42 is set in a fixed state. Further, the outrigger portion 41 is fixed to the surface leveling portion 403 by the fixing portion 43. Thereafter, by changing the handle 7 (see FIG. 5A) from the front connecting portion 23 to the rear connecting portion 23 ′ (see FIG. 5A), the traveling direction of the surface finishing device 401 is reversed by 180 degrees. The leveling process can be resumed. Thus, according to the structure which provided the outrigger parts 41 and 42 and the connection parts 23 and 23 'in the front and back both sides of the surface leveling part 403, the surface finishing apparatus 401 can be turned back easily.

  As mentioned above, although embodiment of this invention was described, this invention is not restricted to the said embodiment, You may change in the range which does not change the summary described in each claim. For example, the vibration method of the vibrating body 19 is not limited to a method using an eccentric weight, and an ultrasonic vibration method may be adopted, and a weight reciprocation method using electric / electromagnetic, pneumatic or hydraulic pressure as a drive source. May be adopted. In addition, when the vibration power source is electric power of a motor or the like, a battery may be mounted as the electric power source, or electric power may be supplied to the motor from the outside with a power supply cable. Moreover, each structure with which the surface finishing apparatus 101, 151, 201, 301, 401 shown in the above-mentioned embodiment is provided can be freely combined and employed. For example, various combinations such as adding the outrigger portions 41 and 42 to the surface finishing apparatus 101 are possible.

  101, 151, 201, 301, 401 ... surface finishing device, 3 ... surface leveling unit, 5 ... vibration generating unit, 7 ... handle, 11, 211, 212, 411, 412 ... leveling plate, 13, 213, 214 , 413, 414 ... leveling surface, 213a, 214a ... end, 17 ... power source, 19 ... vibrating body, 23 ... coupling part (hinge structure), 41, 42 ... outrigger part, C ... concrete surface, V ... vibration Transmission point.

Claims (5)

A surface finishing device that performs surface finishing while moving on the concrete surface after placing,
A surface leveling portion having a longitudinal direction perpendicular to the sliding direction of the leveling surface and a leveling surface that is slidable in contact with the concrete surface,
A vibration generating part for vibrating the surface leveling part,
There are a plurality of vibration transmission points that transmit vibrations from the vibration generating part to the surface leveling part, dispersed in the longitudinal direction ,
The surface leveling part is
A surface finishing apparatus comprising: a plurality of leveling plates each provided with the vibration transmitting portion and arranged in the longitudinal direction, each having a bottom surface constituting a part of the leveling surface. The vibration generating unit includes a power source that generates power, and a vibrating body that vibrates in response to power from the power source,
The power source, a surface finishing apparatus according to claim 1, characterized in that the plurality of being dispersed in the longitudinal direction. A handle for dragging and moving the surface leveling portion on the concrete surface;
The handle is
Surface finishing apparatus according to claim 1 or 2, characterized in that it is coupled to the surface smoothing section through a hinge structure for the longitudinal and axial. A surface finishing device that performs surface finishing while moving on the concrete surface after placing,
A surface leveling portion having a longitudinal direction perpendicular to the sliding direction of the leveling surface and a leveling surface that is slidable in contact with the concrete surface,
A vibration generating portion for vibrating the surface leveling portion;
Is movable from said surface smoothing section in a direction projecting in the sliding direction, and a outrigger portion contacting on the concrete surface,
The vibration vibration transmission portion for transmitting the vibration to the surface smoothing section from the generating section, the longitudinal direction is distributed in plurality of front surface finishing apparatus you characterized by. A surface finishing device that performs surface finishing while moving on the concrete surface after placing,
A surface leveling portion having a longitudinal direction perpendicular to the sliding direction of the leveling surface and a leveling surface that is slidable in contact with the concrete surface,
A vibration generating part for vibrating the surface leveling part,
There are a plurality of vibration transmission points that transmit vibrations from the vibration generating part to the surface leveling part, dispersed in the longitudinal direction,
The surface leveling part is
Each of the vibration transmission locations is provided, and has a plurality of leveling plates arranged in the longitudinal direction, each having a bottom surface forming a part of the leveling surface,
When viewed from the sliding direction of the leveling face, the longitudinal direction finishing the front surface characterized in that end portions of the bottom surface of the leveling plate adjacent the overlap device.

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