JP2012122232A - Cutter device for side ditch, and method for repairing side ditch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate repair of a side ditch, which can eliminate a poor appearance of a deteriorated top surface of a side wall, when repairing the side ditch.SOLUTION: A cutter device comprises a base portion that has wheels traveling on lid receiving surfaces of top portions of both right and left side walls of a side ditch and that can move in the length direction of the side ditch between both the side walls, and a cutter with a disk blade, which is mounted on the base portion. An outer peripheral portion of the disk blade is protruded in the lateral direction of the base portion. The cutter device horizontally cuts the side wall of the side ditch along a length direction while moving the base portion in the length direction of the side ditch. The use of the cutter device enables the easy cutting of the top portion of the side wall of the side ditch, and facilitates the repair of the side ditch, which can eliminate a poor appearance of the top surface of the side wall.

Description

  The present invention relates to a side groove cutter device for horizontally cutting a side wall of a side groove along a length direction, and a modification of a side groove in which an L-shaped lid receiving portion is recessed inside the upper end portion of left and right side walls. Regarding the method.

  A cutter device for excising an upper side wall of a side groove when repairing an aged side groove is disclosed in, for example, Patent Documents 1 and 2 below.

  The cutter apparatus of patent document 1 installs a guide rail inside a side groove, and cuts out the upper part of the side wall while running the cutter apparatus along the guide rail.

  The cutter apparatus of patent document 2 cuts out the upper part of a side wall, running a cutter apparatus on the side groove bottom face.

  Moreover, the repair method of the aged side groove | channel is disclosed by the following patent documents 3, 4, for example.

  The repair method of the following Patent Document 3 includes an existing object removing step of cutting the upper part of the side groove body of the existing side groove to be repaired at a height that matches the placement surface of the concrete lid 1a or the grating lid used after the repair, A side groove body upper structure in which the cover body 1a used after the repair is disposed at a predetermined position, a form plate 5 having an appropriate thickness is attached to the side surface of the cover body 1a, and concrete is placed in the excision space A It consists of a process and a finishing process in which the lid is lifted after the concrete is solidified and the form plate 5 is removed.

  In the refurbishment method of the following Patent Document 4, a new lid comprising a frame-shaped primary lid and a removable secondary lid is attached to the opening of the primary lid, instead of the existing lid of the side groove.

JP 2009-108558 A JP 2010-13817 A JP 2006-322138 A JP 2010-13817 A

  The cutter devices described in Patent Documents 1 and 2 both have large and complicated structures, and the cost of the device itself is high, as well as the movement of the device and the work of loading it into the side groove It was not easy, and it took a lot of work.

  An object of the present invention is to provide a cutter device that is small in size, simple in structure, can be manufactured at low cost, and is excellent in work efficiency.

  The method of repairing the side groove described in Patent Document 3 is to cut the upper part of the side wall of the side groove, and then to place concrete in the part, so that the construction cannot be completed unless the concrete is hardened, The construction period was long and it took a long time to obstruct traffic due to the renovation work.

  The method for repairing the side groove described in Patent Document 4 does not place concrete, so the time for obstructing traffic by the repair work is short, and the new lid can be made light and free of rattling. There was a limit to improving the appearance of the upper surface of the side wall.

  It is an object of the present invention to provide a method for repairing a side groove that makes it possible to easily repair the side groove that can eliminate the poor appearance of the upper surface of the aged side wall, shorten the construction period, and shorten the traffic obstruction time. .

[Claim 1]
The present invention is a side groove cutter device for horizontally cutting a side wall of a side groove along a length direction,
A platform having wheels that run on the lid receiving surfaces of the upper left and right side walls of the side groove, and movable between the side walls in the length direction of the side groove;
Equipped with a cutter having a disc blade mounted on the platform,
The outer peripheral part of the disc blade protrudes to the side of the base part,
A side groove cutter device that horizontally cuts a side wall of a side groove along the length direction while moving the platform in the length direction of the side groove.

  Since the wheel of the pedestal travels on the lid receiving surface of the side groove, the device is smaller than that traveling on the bottom surface of the side groove, and the cutting operation can be easily performed while moving the pedestal by pushing with the hand. .

[Claim 2]
Moreover, this invention is the cutter apparatus for side grooves of Claim 1 with which the said cutter is mounted | worn so that a slide is possible in the width direction of a side groove.

[Claim 3]
Moreover, this invention is the cutter apparatus for side grooves of Claim 1 with which the said cutter is mounted | worn so that rotation in a horizontal direction is possible.

  By mounting the cutter so as to be slidable in the width direction of the side groove or to be rotatable in the horizontal direction, it is possible to adjust the amount of protrusion of the disk blade to the side of the base part.

[Claim 4]
Further, the present invention is a method for repairing a side groove having a lid receiving portion recessed in the upper side of the side wall,
The lid receiving portion has a horizontal lid receiving surface and an upright wall that stands up outside the lid receiving surface;
After removing the lid from the side groove, the cutter device according to any one of claims 1 to 3 cuts out all or part of the standing wall along the length direction, and repairs the cut portion with a pavement material. This is a method of repairing a gutter characterized by that.

[Claim 5]
Moreover, this invention is the repair method of the side groove | channel of Claim 4 whose said pavement material is an asphalt pavement material.

  In the side groove repair method of the present invention, the cutting of the standing wall of the side groove does not require the accuracy of the cut surface because the lid does not rest on the cut surface after cutting, and by using the cutter device of the present invention, It can be done easily. As for the pavement material to be repaired by filling the excised part of the standing wall, various materials for pavement can be used such as ordinary concrete, super fast hard concrete, asphalt pavement material (paving material containing asphalt), but asphalt pavement. Since the material does not cast concrete, there is no need to wait for the concrete to harden, traffic obstruction due to the renovation work can be made extremely short, and the appearance of the refurbishment site is also inconspicuous.

  In the cutter device of the present invention, the wheel of the base portion travels on the lid receiving surface of the side groove, so that the device is remarkably miniaturized compared to the one that travels on the bottom surface of the side groove, and it is cut while moving the base portion by pushing by hand. Work can be done easily.

  The side groove repairing method of the present invention is improved in appearance because the upper surface of the aged side groove side wall is cut off and covered with the paving material. Moreover, it is easy to cut the standing wall of the side groove, and the use of asphalt pavement material makes it extremely short time to obstruct traffic due to the renovation work. If the cover is replaced with a new one at the time of renovation work, the weight of the cover can be reduced and noise can be reduced.

2 is a plan view of the cutter device 1. FIG. It is an AA arrow directional view in FIG. FIG. 4 is an explanatory diagram of a usage state of the cutter device 1. It is a top view of 1A of cutter apparatuses. It is a BB arrow directional view in FIG. It is a top view of the cutter apparatus 1B. It is a side view of the cutter apparatus 1B. It is explanatory drawing of the repair method of a side groove. It is explanatory drawing of the repair method of a side groove. It is explanatory drawing of the repair method of a side groove. It is explanatory drawing of the repair method of a side groove. It is explanatory drawing of the repair method of a side groove. It is explanatory drawing of the repair method of a side groove. It is explanatory drawing of a ruler plate. It is explanatory drawing of the repair method of a side groove. It is explanatory drawing of the repair method of a side groove. It is a perspective view of a rail.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 is a plan view of a cutter device 1 according to an embodiment of the present invention, FIG. 2 is a view taken along the line AA in FIG. 1, FIG. 3 is an explanatory diagram of a usage state of the cutter device 1, and FIG. FIG. 5 is a plan view of the cutter apparatus 1B according to another embodiment, FIG. 6 is a plan view of the cutter apparatus 1B, FIG. 7 is a side view of the cutter apparatus 1B, and FIGS. FIG. 14 is an explanatory view of a ruler plate 17 and FIGS. 15 and 16 are explanatory views of a side groove repair method according to another embodiment.

The cutter device 1 shown in FIGS. 1 to 3 has a base part 2 and a cutter 5 mounted on the base part 2.
The base 2 has a metal plate shape, and an arm portion 3 having an inverted L-shape is welded and fixed to the four corners by a horizontal plate 3a and a vertical plate 3b, and a wheel 4 is attached to the lower surface of the horizontal plate 3a. Is provided. As the wheel 4, for example, a commercially available caster can be used. A bowl-shaped rail 6 is fixed to the upper surface of the base 2 by welding.
As the cutter 5, for example, a commercially available product having a disc blade 5b whose surface is coated with diamond powder can be used. The cutter 5 is mounted on the base 2 by inserting its main body into the rail 6 and fixing with a bolt 6a. The outer peripheral part of the disk blade 5b protrudes to the side of the base part 2, and the protrusion amount of the disk blade can be adjusted by sliding the cutter 5 along the rail 6 in the width direction of the side groove.
As shown in FIG. 3, the wheel 4 travels on the lid receiving surface 12 a on the left and right side walls 11 of the side groove 10.

When using the cutter device 1, as shown in FIG. 3, the rail 20 is set on the lid receiving surface 12 a of the side groove 10, the wheel 4 is placed thereon, the platform portion 2 is pushed by hand, and the length of the side groove is set. While moving in the vertical direction, the side wall (in the case of FIG. 3, the upright wall 12 b above the side wall 11) is cut.
For example, as shown in FIG. 17, the rail 20 may be formed by welding and integrating both end portions of two L-shaped steel rail bodies 20 a with L-shaped steel connecting members 20 b. By using the rail, even if the lid receiving surface 12a is aged and uneven, the cutter device can be moved horizontally and the side wall of the side groove can be cut horizontally.
Note that the bolt 6a for fixing the cutter 5 is not necessarily required. When the bolt 6a is not provided, the cutting may be performed while manually pressing the cutter 5 against the rail 6.

  The basic configuration of the cutter device 1A shown in FIGS. 4 and 5 is exactly the same as that of the cutter device 1, but the method of mounting the cutter 5 on the base 2 is different. That is, the shaft 7 protrudes from the lower surface of the main body of the cutter 5, and the shaft 5 is attached to a cylindrical bearing 8 welded and fixed to the upper surface of the base 2, and the cutter 5 is mounted on the base 2. Since the cutter 5 rotates as shown by the arrow in FIG. 4, it is possible to adjust the protruding amount of the outer peripheral portion of the disc blade 5 b toward the side of the base portion 2.

  The basic configuration of the cutter device 1B shown in FIGS. 6 and 7 is exactly the same as that of the cutter device 1, but the height of the vertical plate 3b of the arm portion 3 is high. 4 is lower than the lower end height. Thereby, the part below the cover receiving surface 12a of the side wall 11 can be cut | disconnected.

8-13 has shown the embodiment of the side groove repair method of this invention.
FIG. 8 is a cross-sectional view of an existing concrete side groove 10, and the side groove 10 has a lid receiving portion recessed inside the upper side of the side wall 11. The lid receiving portion is composed of a lid receiving surface 12a and an upright wall 12b that stands on the outside of the lid receiving surface 12a, and has an L-shaped cross section. An existing concrete lid 13 is mounted on the lid receiving surface 12a.

  FIG. 9 shows a state in which the existing lid 13 is removed from the existing side groove of FIG. 8, and the upper portion of the standing wall 12b is cut and removed by the cutter device 1 or 1A.

  FIG. 10 shows a state in which the ruler plate 17 is placed on the lid receiving surface 12a and the anchor hole 16 is drilled from the state of FIG. The ruler plate 17 has a width corresponding to the width of the lid receiving portion (a width that can be fitted into the lid receiving portion) and a length that is the same as or an integral multiple of the new lid. The example of the ruler plate 17 shown in FIG. 14 has a length twice that of the new lid, and is provided with 12 through holes 17b (6 on one side). The position of the through hole 17b is provided at a position corresponding to the anchor 15c of the new lid 15. The material of the ruler plate 17 is arbitrary as long as it has the desired strength and rigidity, such as a metal plate, a wood plate, and a plastic plate, but in the case of this embodiment, it is manufactured by processing an L-shaped steel material (so-called angle). ing.

  The through hole 17b of the ruler plate 17 is formed in a vertically long shape inside the cylindrical member 17a. The inner diameter of the upper portion of the through hole 17b is slightly larger (about 1 to 3 mm) than the outer diameter of the hammer drill blade 19, and a vertical groove 17c is formed at a position opposite to the inner surface at 180 °. The tip of the blade 19 has a fin 19a overhanging at a position opposite to the outer surface at 180 °. By aligning the fin 19a with the longitudinal groove 17c, the tip of the blade 19 can be inserted into the upper portion of the through hole 17b. However, the blade 19 cannot be rotated above the through hole 17b. Since the lower portion of the through-hole 17b is an enlarged diameter portion 17d that is slightly thicker (about 1 to 3 mm) than the diameter of the fin 19a, if the tip of the blade 19 is inserted to the enlarged diameter portion, the blade 19 is rotated, Anchor holes can be drilled. As shown in the cross section in FIG. 14, when the blade 19 is inserted into the through hole 17b and the blade 19 is rotated, the blade 19 is restrained at the upper part of the through hole 17b and hardly moves in the horizontal direction. Anchor holes can be drilled.

FIG. 11 shows a state in which the ruler plate 17 is removed from the state of FIG. 10, the resin adhesive 16 a is injected into the anchor hole 16, and the new lid 15 is lowered from above.
The new lid 15 is obtained by fixing square pipes 15b, which are raised materials, along the length direction at both ends of the lower surface of a lid body 15a made of cast iron. An anchor 15c (rebar, bolt, etc.) protrudes downward from the square pipe 15b.

  FIG. 12 shows a state where the new lid 15 is completely lowered from the state shown in FIG. 11 and attached to the lid receiving portion. The anchor 15c is inserted into the anchor hole 16 and fixed with a resin adhesive.

  FIG. 13 shows a state in which the asphalt pavement material 14a is filled on the cut surface of the standing wall 12b from the state of FIG. 12 and the repair is completed. As a result, the aging existing lid is replaced with a new lid, and a new pavement material is exposed in place of the aging side wall upper surface (upstanding wall upper surface), so that the appearance is very good.

15 and 16 are explanatory views of another embodiment of the lateral groove repairing method of the present invention.
FIG. 15 shows a state where the frame-shaped primary lid 18a is mounted and fixed on the lid receiving surface 12a from the state in which the upper portion of the standing wall 12b is cut and removed by the cutter device 1 or 1A in FIG.

In FIG. 16, the secondary lid 18b is detachably attached to the lid receiving portion of the primary lid 18a from the state of FIG. 15, and the asphalt pavement material 14a is filled on the cut surface of the standing wall 12b to complete the repair. It is in the state. As a result, the aged existing lid is replaced with a new primary lid and a secondary lid, and a new pavement material is exposed in place of the aged side wall upper surface (standing wall upper surface), so that the appearance is very good.
As the primary lid and the secondary lid, those disclosed in Patent Document 4 (Japanese Patent Laid-Open No. 2010-13817) can be used.

1, 1A, 1B Cutter device 2 Base part 3 Arm part 3a Horizontal plate 3b Vertical plate 4 Wheel 5 Cutter 5a Body 5b Disc blade 6 Rail 6a Bolt 7 Shaft 8 Bearing 10 Side groove 11 Side wall 12a Lid receiving surface 12b Standing wall 13 Existing Lid 14 Road pavement 15 New lid 15a Lid body 15b Square pipe 15c Anchor 16 Anchor hole 16a Adhesive 17 Ruler plate 18a Primary lid 18b Secondary lid 19 Blade 19a Fin 20 Rail

Claims (5)

A side groove cutter device for horizontally cutting the side wall of the side groove along the length direction,
A platform having wheels that run on the lid receiving surfaces of the upper left and right side walls of the side groove, and movable between the side walls in the length direction of the side groove;
Equipped with a cutter having a disc blade mounted on the platform,
The outer peripheral part of the disc blade protrudes to the side of the base part,
A side groove cutter device that horizontally cuts a side wall of a side groove along the length direction while moving the platform in the length direction of the side groove. The side groove cutter device according to claim 1, wherein the cutter is slidably mounted in a width direction of the side groove. The gutter cutter device according to claim 1, wherein the cutter is mounted so as to be rotatable in a horizontal direction. A method for repairing a side groove having a lid receiving portion recessed in the upper side of the side wall,
The lid receiving portion has a horizontal lid receiving surface and an upright wall that stands up outside the lid receiving surface;
After removing the lid from the side groove, the cutter device according to any one of claims 1 to 3 cuts out all or part of the standing wall along the length direction, and repairs the cut portion with a pavement material. A method of repairing a gutter characterized by that.   The method for repairing a gutter according to claim 4, wherein the pavement material is an asphalt pavement material.

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