JP2001207405A - Rolling compaction device for pavement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply and surely prevent the adhesion asphalt mixture to an iron roller at a low cost without deteriorating the quality of the asphalt mixture, in the case of pavement with the asphalt mixture. SOLUTION: A sheet 10 having superior heat resistance, releasability and durability is tightly wound on the rolling surface of an iron roller 9 or curved plate bodies are arranged and stuck fast, and the rolling surface of the iron roller 9 is covered with the sheet 10 or the curved plate bodies or a coating material having superior heat resistance, releasability and durability is attached on the rolling surface of the iron wheel roller.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling device for asphalt pavement used in asphalt pavement such as road pavement and asphalt facing, and more particularly to an improvement in an iron wheel roller.

[0002]

2. Description of the Related Art When laying a road or the like with an asphalt mixture and rolling the heated mixture with an iron wheel roller, the surface portion of the asphalt mixture easily adheres to the iron wheel roller.
It has an adverse effect on the finish and quality of the pavement.

Conventionally, such asphalt mixture is prevented from adhering by spraying and spraying a liquid such as water on the rolling surface of the iron wheel roller, or by heating and keeping the temperature of the iron wheel roller from the inside. Prevention of adhesion.

[0004] The method of spraying and spraying the liquid is to spray water by pressurizing water or the like, spray by gravity, spray a small amount of kerosene or light oil, or spray water in which a release agent is dissolved.・ Whether to spray.

The method of heating and keeping the temperature of the iron wheel roller is disclosed in Japanese Utility Model Application Laid-Open No. 7-42364, in which the outer surface of the iron wheel of the paving roller is heated and kept warm by a heater such as a gas infrared burner. -200313, the inner peripheral electric heater of the iron wheel roller is installed,
For example, a method of converting electric energy into heat energy, heating and keeping the temperature.

[0006]

The method of spraying / spraying the liquid has the drawback that when the water is sprayed excessively, the density of the asphalt mixture decreases due to a decrease in temperature and the pavement surface is roughened. When kerosene or light oil is used, if the spray amount is not appropriate, there is a drawback such as cutback of asphalt on the pavement surface.

In addition, when asphalt pavements are joined adjacently or vertically one after another, adhesion may be poor if moisture is present, or a blistering phenomenon may occur in which moisture trapped in the pavement evaporates and expands. Or cause
Therefore, in asphalt pavement for waterworks such as dams and waterways,
It is necessary to avoid watering the iron wheels to ensure quality.

[0008] In the case of spraying / spraying water in which a release agent is dissolved on an iron wheel roller, it is necessary to dry the joint portion, and there is a concern that the release agent component remains in the joint portion.

On the other hand, in the method of heating and keeping the outer peripheral surface of the iron wheel by a heater such as a gas infrared burner, it is difficult to heat the entire outer peripheral surface of the iron wheel to a uniform temperature. It was difficult. Further, the hot air from the gas burner of the gas infrared heater lowers the working environment of the operator of the mechanical device, and also has an overall effect on heat. In addition, the risk of fire accidents was inherent because the gas burners were open flames. Further, the iron wheel cannot be stopped in a heated state.

[0010] The method of heating and keeping the temperature by an electric heater requires power supply means including a power receiving device or a power generating device for external electric power, an electric wire, a slip ring, and a current-carrying switch. Would be expensive. In addition, the length of the wires must be adjusted so that the wires are not dragged or entangled on the pavement.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned disadvantages of the prior art, and to easily and reliably prevent the asphalt mixture from adhering to the iron wheel roller when paving with the asphalt mixture.
Moreover, it is an object of the present invention to provide a pavement compaction device which can prevent the asphalt mixture at low cost without deteriorating the quality of the asphalt mixture.

[0012]

In order to achieve the above object, the present invention firstly wraps a sheet having excellent heat resistance, peelability and durability in close contact with the rolling surface of an iron wheel roller. Secondly, the rolling surface of the iron wheel roller was covered.
A curved plate body having excellent heat resistance, peelability, and durability is arranged and closely adhered to the rolling surface of the iron wheel roller, and the rolling surface of the iron wheel roller is covered in parallel with the curved plate body. The gist is that a coating material having excellent heat resistance, peelability and durability is attached to the rolling surface.

Fourth, the coating is performed by fixing a sheet or a curved plate body so as to be exchangeable. Fifth, the sheet wraps an iron wheel roller in a wrapping paper shape, and a portion protruding from the left and right ends of the iron wheel roller is folded back. Sixthly, the gist of the present invention is that the curved plate body folds a portion protruding from the left and right ends of the iron wheel roller, and fixes the folded portion to the iron wheel roller.

According to the first to third aspects of the present invention, the rolling surface of the iron wheel roller is covered with a sheet or a curved plate excellent in heat resistance, peelability and durability, or
Because the coating material is adhered, the extruded material has more physical properties than the conventional case where the iron material is exposed on the outer surface of the iron ring.Asphalt mixture is less likely to adhere to the surface, and as a result, liquids such as water are used. You can expect a smooth and dense pavement finish without doing so.

In the case of the first aspect, since the sheet is thin and is in close contact with the rolling surface of the iron wheel roller, it is possible to apply the same roller pressure to the asphalt mixture,
The intensive compaction of the iron wheel roller enhances the compaction effect, maintains the characteristics of good flatness and facilitates compaction, and does not cause compaction loss. The same applies to the curved plate body in the case of claim 2 because the curved plate body is in close contact with the rolling surface of the iron wheel roller.

In the case of the third aspect, since the coating material adheres to the rolling surface of the iron wheel roller and is integrated,
The roller pressure can be directly applied to the asphalt mixture in the same manner as in the first and second aspects. Further, by replacing the entire iron wheel roller, the coating material can be made new.

According to the fourth aspect of the present invention, in addition to the above function, the sheet or plate to be coated can be replaced, so that it is possible to prevent a decrease in peelability by replacing the sheet or plate due to wear, breakage, or the like. it can.

According to the fifth and sixth aspects of the present invention, the sheet wraps the iron-roller in a wrapping paper shape, and the portion coming out from the left and right ends of the iron-roller is stopped by folding. By turning back the portion protruding from the left and right ends and fixing this turned-back portion to the iron wheel roller, a simple method of stopping replacement can be realized.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. First, an asphalt facing using a pavement rolling device according to the present invention will be described.

FIG. 12 shows a standard cross section of asphalt facing, in which a herbicide is sprayed on the alfaltic base 1 by crushed stone to prevent the generation of vegetation, thereby preventing loosening of the base and prevention of runoff of the herbicide. Prime coat 2 for
Is applied, and a concrete structure joint surface treatment is performed by a spillway / headwater inflow work, and an asphalt facing work 3 is performed.

The asphalt facing 3 includes a leveling layer 3a for adjusting to the base and unevenness of the base, a lower water shielding layer 3b for shielding the stored water and preventing the penetration of the groundwater, and a drainage for removing the permeated water from the reservoir. It is composed of a layer 3c, upper water barrier layers 3d and 3e for shielding the stored water, and a surface protection layer 3f for preventing deterioration of the water barrier layer and enhancing water tightness.

Such asphalt facing 3
As shown in FIG. 13, the asphalt pavement compaction device 8 is used together with the slope damper vehicle 4, the asphalt finisher 5, the main winch porter 6, the sub winch porter 7, and the like as shown in FIG.

The asphalt pavement compaction device 8 is a compaction machine as shown in FIGS. 7 to 9 which is an iron-wheel type load roller which is a kind of a vibrating roller, and which has an iron-wheel roller 9 in front and rear, or FIG. The asphalt pavement rolling device 8 as shown in FIG. 11 is an iron wheel type hand guide roller.

According to the present invention, as shown in FIG. 1, the rolling surface of the iron wheel roller 9 of the rolling device 8 for asphalt pavement has heat resistance,
The sheet 10 having excellent peelability and durability was wound in close contact.

The material of the sheet 10 is not only excellent in heat resistance, releasability and durability as described above, but also is required to have a coefficient of linear expansion, workability, and the like. Ether sulfone (PES),
Ultrahigh molecular weight polyethylene and the like are preferred. These may be formed as a sheet by impregnating the solution with a cotton cloth, a nonwoven fabric, a glass fiber cloth or the like as a base material, if necessary.

At the time of winding the sheet 10, the sheet is rolled up and wound in close contact with the rolling surface of the iron ring roller 9 so as not to form a gap between the sheet 10 and the iron ring roller 9. The end that comes out is folded back to the left and right flanges 9a of the iron wheel roller 9 and is exchangeably fixed with screws 11 or the like.

FIG. 2 shows another example of a method of fixing the sheet 10 as a second embodiment. The end of the wound sheet 10 is folded back on the right and left flanges 9a of the iron wheel roller 9 to form a rubber band.
Tension at 12 mag, and the seam at the end of the sheet is fixed by bonding or the like. If you remove this rubber band 12, the sheet 10 will also come off,
It is possible to exchange.

FIG. 3 shows a third embodiment of the present invention. Curved plate members 13 having excellent heat resistance, peelability and durability are arranged side by side on the rolling surface of an iron wheel roller 9 and are brought into close contact therewith. 13
The rolling surface of the iron wheel roller 9 was covered in parallel. In the illustrated example, the curved plate 13 is a half-split tube 13a, which covers the iron wheel roller 9 as a tube when two are combined, and is fixedly connected with screws 11 or bolts. In the case of the curved plate 13, unlike the sheet 10, it is not flexible and has a fixed shape. However, it does not need to be extended like the sheet 10 and is easy to attach.

The material of the curved plate 13 is a sheet 10
Silicone resin, polyether sulfone (PE
S), ultrahigh molecular weight polyethylene, cast nylon and the like are preferred.

FIG. 4 shows a fourth embodiment of the present invention, in which a curved plate 13 is formed as an elongated plate by forming a plurality of divided pipes into a tubular body. As shown in FIG. The divided pipes 13b of the pieces are joined by a joint or a dovetail joint so as not to form a gap.

Further, each of the divided pipes 13b has an engagement groove formed by folding an end thereof into a U-shape, and the right and left flanges 9a of the iron wheel roller 9 are inserted into the engagement grooves to be fitted into the flange 9a. And exchangeably fixed with screws 11 or the like.

FIG. 6 shows a fifth embodiment of the present invention, in which a coating material 14 having excellent heat resistance, releasability and durability is adhered to the rolling surface of the iron wheel roller 9 by factory processing. As the coating material 14, a silicone compound containing silicone raw rubber and high-purity fumed silica as main components is preferable.

The coating material 14 is made of an iron-based roller 9 with an adhesive.
To the rolling surface of In the case of liquid silicone rubber, it is applied with a brush or the like.

In the case of the fifth embodiment, since the iron wheel roller 9 and the coating material 14 are integrated, the iron wheel roller 9 must be replaced in the case of replacement.

As described above, according to the present invention, the rolling surface of the iron wheel roller 9 is covered with the sheet 10 or the curved plate 13 excellent in heat resistance, peelability and durability, or the coating material 14 is provided.
As a result, the asphalt mixture is less likely to adhere to the surface, and as a result, liquids such as water are not used. You can expect a smooth and dense pavement finish.

[0036]

As described above, the pavement rolling device according to the present invention can easily and surely prevent the asphalt mixture from adhering to the iron wheel roller when paving with the asphalt mixture, and deteriorate the quality of the asphalt mixture. It can be prevented inexpensively without making it happen.

[Brief description of the drawings]

FIG. 1 is a partial perspective view showing a first embodiment of a pavement rolling device according to the present invention.

FIG. 2 is a partial perspective view showing a second embodiment of the pavement rolling device of the present invention.

FIG. 3 is a partial perspective view showing a third embodiment of the pavement rolling device of the present invention.

FIG. 4 is a partial perspective view showing a fourth embodiment of the pavement rolling device of the present invention.

FIG. 5 is a longitudinal sectional side view of a main part showing a fourth embodiment of a pavement rolling device of the present invention.

FIG. 6 is a partial perspective view showing a fifth embodiment of a pavement rolling device according to the present invention.

FIG. 7 is a front view in the case of a load roller as a pavement rolling device.

FIG. 8 is a side view in the case of a load roller as a pavement rolling device.

FIG. 9 is a perspective view in the case of a load roller as a pavement rolling device.

FIG. 10 is a side view in the case of a hand-guided roller as a pavement rolling device.

FIG. 11 is a front view in the case of a hand-guided roller as a pavement rolling device.

FIG. 12 is an explanatory view showing a standard cross section of asphalt facing.

FIG. 13 is an explanatory diagram of construction of asphalt facing.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Alphalt base 2 ... Prime coat 3 ... Asphalt facing 3a ... Leveling layer 3b ... Lower impermeable layer 3c ... Drainage layer 3d, 3e ... Upper impermeable layer 3f ... Surface protection layer 4 ... Damper car 5 ... Asphalt finisher 6 … Main winch porter 7… Sub winch porter 8… Compression device for asphalt pavement 9… Iron wheel roller 9a… Flange 10… Sheet 11… Screws 12… Rubber band 13… Bending plate 13a… Semi-pipe 13b… Split pipe 14 … Coating material

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor ▲ Takao Takahashi 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Corporation (72) Inventor Kazuo Shigematsu 1-7 Koraku, Bunkyo-ku, Tokyo No. 27 Kashima Road Road Co., Ltd. (72) Inventor Tatsuya Yamaguchi 1-7-27 Koraku, Bunkyo-ku, Tokyo Kashima Road Road Co., Ltd. F-term (reference) 2D052 AA03 AC01 BB01 CA21

Claims (6)

[Claims] 1. The rolling surface of an iron wheel roller has heat resistance, peelability,
A pavement rolling device characterized by winding a sheet with excellent durability in close contact, and covering the rolling surface of the iron wheel roller with this sheet. 2. A rolling plate having excellent heat resistance, peelability, and durability is arranged and closely attached to a rolling surface of an iron wheel roller, and the rolling surface of the iron wheel roller is covered in parallel with the curved plate. Rolling equipment for paving. 3. A pavement rolling device characterized in that a coating material having excellent heat resistance, peelability and durability is attached to the rolling surface of an iron wheel roller. 4. The pavement rolling device according to claim 1, wherein the coating is performed by fixing a sheet or a curved plate so as to be exchangeable. 5. The sheet wraps an iron wheel roller in a wrapping paper shape,
5. The pavement rolling device according to claim 4, wherein the portion coming out of the left and right ends of the iron wheel roller is folded back and stopped. 6. The pavement rolling device according to claim 4, wherein the curved plate body folds a portion protruding from the left and right ends of the iron wheel roller, and fixes the fold portion to the iron wheel roller.