JP2018031229A - Road shoulder compacting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To precisely and continuously perform compaction work for road shoulder banking of various sizes having various slopes.SOLUTION: The present invention relates to a road shoulder compacting device 10 capable of traveling by itself on a pavement surface 3 along a compaction predetermined part of a road shoulder 4 at a side edge of the pavement surface 3, the road shoulder compacting device comprising: a hopper 12 provided on the front of a device body 11 and receiving a banking material 1; a material continuous supply mechanism fitted to a device base 17 to be partially exposed in a material discharge opening 15 provided to the hopper 12, and enabled to continuously spread the banking material 1, conveyed inside, out of a material discharge opening 25 at a side part onto a road bed 2; and a compaction attachment 30 fitted to a side face of the device body 11, and enabled to level and compact the banking material 1, continuously spread out from the material continuous supply mechanism, into a predetermined shape of the road shoulder and gradient and also to tamp the slope.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a road shoulder molding apparatus, and more particularly to a road shoulder molding apparatus which can continuously perform a road shoulder embankment molding operation having various dimensions and slopes with high accuracy.

  Conventionally, the embossing work for road shoulders is carried out by rolling out the embankment material from the dump truck to the embankment position in order using a hydraulic excavator equipped with an attachment such as a slope bucket, and the operator forms the slope bucket based on the tension. The surface was rolled to form the shoulder embankment. For this reason, there are variations in the finish depending on the skill of the operator, and the amount of construction is limited due to labor-intensive work, and it is difficult to ensure the quality of the road shoulder embankment and to quickly perform the construction.

  In order to solve such a problem, a self-propelled road shoulder embankment forming machine has been proposed (Patent Document 1, Patent Document 2). These self-propelled road shoulder embankment machines are devices that form the road shoulder embankment while the molding machine itself travels along the shoulder side of the road surface on which paving has been completed. The molding machine is provided with a load receiving hopper, and the embankment material can be loaded on the load receiving hopper, and the embedding material can be continuously supplied to the road shoulder floor to perform the embankment molding. The apparatus of Patent Document 1 is provided with a rolling roller behind the shoulder position of the apparatus so as to roll the shoulder surface. The device of Patent Document 2 is provided with a soil crushing device at a road shoulder position, and a lump of embankment material is finely divided by a crushing rotor and spread on the road shoulder.

Japanese Patent Laid-Open No. 5-331805 Japanese Patent Laid-Open No. 7-3717

  In the self-propelled road shoulder embossing machine disclosed in Patent Document 1 and Patent Document 2, the load receiving hopper is inclined to the road shoulder side by a hydraulic device or the like, and the embankment material is sprinkled out to the road shoulder surface at once. For this reason, since the embankment material is temporarily piled up on the shoulder of the road, it is necessary to spread the piled material while the pile material is collapsed, and there is a problem that the molding machine cannot continuously run. In addition, since these devices are intended to roll-form a leveling portion having a predetermined thickness on the shoulder, the embankment material is supplied to the slope side to have various slopes and slope lengths. There is also a problem that the slope cannot be constructed.

  Accordingly, an object of the present invention is to provide a road shoulder molding apparatus that solves the above-mentioned problems of the prior art and that can continuously perform a shoulder shoulder molding operation with various dimensions and slopes with high accuracy. There is.

  In order to achieve the above object, the present invention accepts a device main body capable of self-propelling on a pavement surface along a road shoulder molding scheduled portion of a side edge of the pavement surface, and a fill material provided on the front surface of the device main body. The embankment material, which is attached to the apparatus base and transferred inside so that a part of the hopper and the material discharge port provided in the hopper is exposed, is continuously sprinkled on the roadbed from the side discharge port. A material continuous supply mechanism that is possible, and the embedding material that is attached to the side surface of the apparatus main body and continuously squeezed out from the material continuous supply mechanism is spread and molded into the shape of a predetermined road shoulder and slope, and It is provided with a molded attachment capable of compacting the slope.

  The molding attachment includes a body frame having a shoulder top plate that can be set to a shoulder width to be molded, a slope plate that is connected to a lower end of the shoulder top plate so as to be adjustable in angle, and a front side of the slope plate. It is preferable to include a soil removal plate connected to the slope plate at a predetermined angle along the side. Moreover, it is also preferable to attach a fan-shaped gap closing plate to the upper end of the soil removal plate via a hinge.

  It is preferable that the material continuous supply mechanism accommodates a screw conveyor therein and transfers the embankment material to the side discharge port by the screw conveyor.

  It is preferable that an angle adjusting mechanism for the slope plate is interposed between the slope plate and a part of the main body frame.

  It is preferable that the apparatus main body is provided with an adjustment mechanism that slides and expands the molded attachment in the width direction of the shoulder to allow the width of the shoulder top plate.

  It is preferable that a slide plate capable of extending the length of the slope plate is provided on the slope plate.

  It is preferable to provide a compacting vibrator on the slope plate.

The side view which showed the side structure of one Embodiment of the road shoulder molding apparatus of this invention. The top view which showed the plane structure of one Embodiment of the road shoulder molding apparatus of this invention. The front view which showed the front structure (a) of one Embodiment of the road shoulder molding apparatus of this invention, and the road shoulder molding finishing state (b). Explanatory drawing which showed the construction state by one Embodiment of the road shoulder molding apparatus of this invention. The top view which showed one Embodiment of the molding attachment of the road shoulder molding apparatus of this invention. The side view which showed one Embodiment of the molding attachment of the road shoulder molding apparatus of this invention. The front view which showed one Embodiment of the molding attachment of the road shoulder molding apparatus of this invention.

  Hereinafter, the configuration of an embodiment of the road shoulder molding apparatus of the present invention will be described with reference to FIGS.

  FIG. 1 shows a side configuration of the road shoulder molding apparatus 10 during the road shoulder molding operation of the present invention, FIG. 2 shows a plan configuration of the road shoulder molding apparatus 10, and FIG. 3 shows a front configuration of the road shoulder molding apparatus 10. The road shoulder molding apparatus 10 uses an existing asphalt finisher as a base machine of the apparatus main body 11, and the hopper, the prime mover, the self-propelling mechanism, and the like depend on the basic functions of the base machine. As a feature of the present invention, a modified hopper 12, a screw side feeder that continuously supplies the embankment material 1 to the road shoulder 4, and a molded attachment 30 of the road shoulder embankment 5 are mounted on a base machine that becomes the apparatus main body 11. In the following description, an embodiment in which the technical features of the road shoulder molding apparatus 10 of the present invention are applied to an existing asphalt finisher will be described. As a base machine to be adopted, the embankment material 1 is transferred from the hopper 12 and the hopper 12 to the road shoulder. If it has the supply mechanism and self-propelled mechanism which can supply continuously to 4, it will not be limited to the existing asphalt finisher, but various earthwork machines can be applied.

  The road shoulder molding apparatus 10 of the present embodiment is an apparatus capable of self-propelling on the pavement surface 3 by crawler driving, and a hopper 12 for receiving the embankment material 1 is disposed at the front part of the apparatus main body 11. This hopper 12 has the same basic structure as the hopper of an existing asphalt finisher, and as shown in FIG. 3 (a), a box plate in which a steel plate is processed so that the bottom surface and the side surface are L-shaped when viewed from the front. 13, and has a shape in which the front is opened so that the embankment material 1 can be easily put in from a loading platform such as a dump truck. Further, as shown by the broken line in FIG. 3, the surrounding plate 13 is tilted toward the vehicle width center direction by a hydraulic mechanism (not shown) in order to collect the embankment material 1 at the material discharge port 15 at the center of the hopper. Can do. Further, the hopper width can be increased to increase the hopper capacity by supporting the surrounding plate 13 and sliding the base 17 (FIG. 3A) on which the push roller 16 is mounted to the outside in the vehicle width direction. .

  Further, a screw side feeder 20 as a continuous material supply mechanism extending in the vehicle width direction is attached to the base 17. The screw side feeder 20 has a configuration in which a screw conveyor 22 is accommodated in a casing 21. The screw conveyor 22 is accommodated in the casing 21 with a part exposed immediately below the material discharge port 15 at the center of the hopper. The embankment material 1 in the hopper 12 is continuously fed into the screw side feeder 20 from the material discharge port 15, and can be continuously fed to the road shoulder 4 located on the side surface of the apparatus by the operation of the screw conveyor 22. Note that the screw side feeder 20 is equipped with a hydraulic mechanism (not shown) for changing the installation (height). The casing 21 can be moved to a predetermined position and held.

  A partition plate 26 made of synthetic rubber is attached to the apparatus main body 11 at the boundary between the pavement surface 3 and the road shoulder 4 in the vicinity of the material discharge port 25 of the casing 21. Since the pavement surface 3 and the road shoulder 4 are cut off at the edge portion of the pavement surface 3 by the partition plate 26, the pavement surface 3 is removed when the embankment material 1 is rolled out from the material discharge port 25 onto the roadside on the road shoulder 4 side. It is possible to prevent the embankment material 1 from going around and soiling the pavement surface 3 (FIG. 3B).

  A molding attachment 30 is provided behind the material discharge port 25 of the screw side feeder 20 on the left side surface of the apparatus main body 11. Details of the configuration of the molded attachment 30 will be described later with reference to FIGS. 5 to 7, but here, the operation of molding the road shoulder bank 5 with the banking material 1 loaded on the hopper 12 by the molding attachment 30 will be described with reference to FIGS. This will be described with reference to FIG.

  As shown in FIG. 4, in the road shoulder molding work, the banking material 1 is dumped directly to the hopper 12 of the road shoulder molding apparatus 10 from the loading platform of the dump truck 6 loaded with the banking material 1 in the section where paving is completed. The embankment material 1 unloaded in the hopper 12 is temporarily deposited in the hopper 12 as shown in FIG. 2 and FIG. 3A, and the hopper 12 is tilted to tilt the hopper 12. It is continuously fed into the screw side feeder 20 from the material discharge port 15 at the center. Furthermore, it is transferred by the operation of the screw conveyor 22 in the screw side feeder 20 and is rolled out from the material discharge port 25 located on the side of the apparatus to the road shoulder floor 4a and the slope 4b in a state of being temporarily formed by the crushed stone roadbed 2. When the road shoulder molding apparatus 10 is moved forward in this state, the earthing material 36 squeezed over the shoulder floor 4a and the slope 4b is pushed out by the earth removal plate 36 (described later) of the molding attachment 30, and the molding attachment. As shown in FIG. 3 (b), by chamfering and compacting by each plate constituting 30, the shoulder top 5a aligned with the pavement surface 3 and a predetermined range from the shoulder 5c. A slope 5b having a predetermined slope is formed on the crushed stone base 2 as a base. As described above, according to the road shoulder molding apparatus 10 of the present invention, the road shoulder embankment 5 can be accurately and quickly constructed on the road shoulder floor 4a and the slope 4b extending along the side edge of the pavement surface 3. .

Here, the structure of the shaping | molding attachment 30 with which the road shoulder shaping | molding apparatus 10 of this invention is equipped is demonstrated with reference to FIGS.
The molding attachment 30 is attached to a main body frame 31 connected to the lower part of the side surface of the apparatus main body 11 and supported by the main body frame 31, and various plates for molding the shoulder top 5a and the slope 5b. The main structure. Specifically, the various plates are provided at the shoulder top plate 32 provided so as to cover the lower surface of the main body frame 31, the support plate 33 constituting the outer surface of the main body frame 31, and the lower end of the support plate 33. The upper end of the hinge 34 is pivotably attached, adjusted to a predetermined normal angle, and maintained at an angle, and the earth removal plate 36 connected to the front surface of the normal plate 35 with a predetermined inclination angle. And a gap closing plate 38 attached to the upper end of the soil removal plate 36 via a hinge 37.

  As shown in FIGS. 5 and 6, the main body frame 31 is configured so that the telescopic arm 42 is extended from the apparatus main body 11 by the rod extension of the hydraulic jack 41 according to the molding width of the road shoulder floor 4 a (FIGS. 2 and 3 (a)). The width of the shoulder top plate 32 that extends by a predetermined amount and covers the shoulder floor 4a can be widened.

  Of the various plates attached to the main body frame 31, the shoulder top plate 32 is suspended from the lower ends of the four height adjusting screw rods 43 as shown in FIG. The shoulder top plate 32 is set so that the gap with the road surface is slightly larger on the front side in the traveling direction by adjusting the lengths of the four height adjusting screw rods 43. Thus, when the road shoulder molding apparatus 10 advances, the embankment material 1 is fed so as to continuously sink under the road shoulder top plate 32. The earth removal plate 36 functions to push the embankment material 1 squeezed out to the slope 4 b side and feed it between the slope plate 35 and the roadbed 2. In the present embodiment, the soil removal plate 36 is attached to the slope plate 35 at a predetermined angle θ. Further, a gap closing plate 38 is attached to the upper part of the soil removal plate 36 via a hinge 37. The gap closing plate 38 is attached to the earth discharging plate 36 so that the hinge 37 portion is one side of the sector shape and the sector arc portion 38a is positioned forward.

  On the upper surface of the slope plate 35, as shown in each figure, lower ends 44b of two turnbuckles 44 as a slope angle adjusting mechanism are attached. The upper end 44a of the turnbuckle 44 is attached to the support plate 33. By adjusting the length of the turnbuckle 44, the angle of the slope plate 35 with respect to the shoulder top plate 32 is adjusted, and the shoulder which conforms to the design slope of the slope. The slope 5b of the embankment 5 can be molded. The angle formed between the slope plate 35 and the shoulder top plate 32 can be appropriately set from a horizontal state to a predetermined slope slope downward as shown by a broken line in FIG.

  A slope slide plate 39 is further provided on the slope plate 35 along the lower end thereof. The slope slide plate 39 is a plate having the same shape as the slope plate 35, and is slidable along the face of the slope plate 35. Are attached so that the faces of each other overlap. This length slide plate 39 has a predetermined lap extending from the lower end of the slope plate 35 due to the expansion and contraction of the hydraulic jack 45 set on the slope plate 35, so that a long slope length can be accommodated. A state in which the length slide plate 39 extends from the lower end of the slope plate 35 is shown by broken lines in FIGS.

  A vibrator 46 is further attached to the upper surface of the slope plate 35. By virtue of the operation of the vibrator 46, the slope plate 35 is vibrated, the embankment material 1 spread under the slope plate 35 is compacted, and the slope 5b can be molded sufficiently firmly.

  The operator 8 (FIG. 4) can perform the compacting operation by the vibrator from the driver's seat, such as the adjustment of the length and angle of the plate and each member by the various hydraulic mechanisms described above, the tilting operation, and the like. it can. Thereby, the effect that the construction capability in the road shoulder forming work is greatly improved can be expected.

  In addition, this invention is not limited to embodiment mentioned above, A various change within the range shown to each claim is possible. In other words, embodiments obtained by combining technical means appropriately changed within the scope of the claims are also included in the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Filling material 2 Subbase 3 Pavement surface 4 Road shoulder 5 Road shoulder filling 10 Road shoulder molding apparatus 11 Main body 12 Hopper 15 Material discharge port 17 Base 20 Screw side feeder 21 Casing 22 Screw conveyor 25 Material discharge port 26 Partition plate 30 Molding attachment 31 Main body Frame 32 Shoulder top plate 33 Support plate 35 Slope plate 36 Soil removal plate 38 Gap closing plate 41, 45 Hydraulic jack 43 Height adjusting screw rod 45 Vibrator

Claims (8)

A device main body capable of self-propelled on the pavement surface along the road shoulder molding scheduled part on the side edge of the pavement surface,
A hopper for receiving the embankment material provided on the front surface of the apparatus body;
A material that is attached to the apparatus base so that a part thereof is exposed to the material discharge port provided in the hopper, and the banking material transferred inside can be continuously sprinkled from the side discharge port onto the roadbed A continuous supply mechanism;
The embedding material attached to the side surface of the apparatus main body and continuously squeezed out from the material continuous supply mechanism is formed by spreading and molding the embankment material into the shape of a predetermined road shoulder and slope, and capable of compacting the slope. A road shoulder molding apparatus characterized by comprising an attachment.   The molding attachment includes a main body frame having a shoulder top plate that can be set to a shoulder width to be molded, a slope plate that is connected to a lower end of the shoulder top plate so that the angle can be adjusted, and the slope plate The road shoulder molding apparatus according to claim 1, further comprising a soil removal plate connected to the slope plate at a predetermined angle along a front side.   The said material continuous supply mechanism accommodates a screw conveyor inside, and transfers the said embankment material to the said side part discharge port by this screw conveyor, The road shoulder molding apparatus of Claim 1 characterized by the above-mentioned.   The road shoulder molding apparatus according to claim 2, wherein an angle adjusting mechanism of the slope plate is interposed between the slope plate and a part of the main body frame.   The road shoulder molding apparatus according to claim 2, further comprising an adjustment mechanism on the apparatus main body side that slides and expands the molding attachment in a road shoulder width direction and allows the width of the shoulder top plate.   The road shoulder molding apparatus according to claim 2, wherein a slide plate capable of extending a length of the slope plate is provided on the slope plate.   The road shoulder molding apparatus according to claim 2, wherein a compacting vibrator is provided on the slope plate.   The road shoulder molding apparatus according to claim 2, wherein a gap closing plate having a fan shape is attached to an upper end of the soil removal plate via a hinge.

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