JP2001131912A - Marking device for road surface - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a marking device for a road surface having no danger of a fire even during running while heating a paint and keeping it warm. SOLUTION: A paint tank 5 with an electric heatter 10 and a power supply 17 for supplying power to the electric motor 10 are loaded in a freely traveling truck 3. Power is supplied to the electric heater 10 by the power supply 17 to run the paint tank 5 while heating it and to paint road marking.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road marking construction apparatus for painting a lane marking and a road marking.

[0002]

2. Description of the Related Art Conventionally, a road surface marking construction apparatus generally used includes a paint tank, a bead tank, and a propane gas cylinder mounted on a movable truck, and propane gas is supplied to a gas burner directed to an outer wall surface of the paint tank. Burn and burn the paint and paint in the paint tank to keep the paint flowing smoothly, and open and close the shutter of the paint tank while running the truck with the aim of the guide pins to let the paint flow down. At the same time, glass beads are being sprayed.

[0003]

However, since the above-mentioned conventional apparatus is loaded with a propane gas cylinder, which is a dangerous substance, and runs while burning a gas burner to perform road marking painting, there is a risk of fire or the like. There was also a problem in terms of safety and work, such as the gas burner disappearing due to the wind.

[0004] In view of the above, it is an object of the present invention to provide a road marking construction apparatus that is safe without causing any danger such as fire even when running while heating the paint.

[0005]

A road marking construction apparatus according to the present invention for solving the above-mentioned problems is characterized in that a paint tank is mounted on a movable truck and a shutter provided at a paint outlet of the paint tank. In a road marking construction apparatus in which the paint is caused to flow down by the opening and closing operation to perform the road marking painting, the paint tank is provided with electric heating means for heating and keeping the paint, and electric power is supplied to the electric heating means on the trolley. A power supply source to be supplied is mounted.

[0006] Preferably, the electric heating means is made of a plate material into which an electric heater is cast.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the road marking construction apparatus of the present invention, the paint tank is provided with electric heating means such as an electric heater, and a generator or battery is mounted as a power supply source. The paint in the paint tank is electrically heated and kept warm by the electric power supplied from the source, so that the paint can flow down smoothly. In this way, when the paint tank is heated by the electric heating means, there is no danger of a fire or the like even if the road surface is painted while traveling while heating, and the apparatus is equipped with a conventional propane gas cylinder. It is extremely safe, easy to use, and improves workability.

In addition, if an electric heater is cast into a plate material, for example, an aluminum material and molded into an appropriate shape such as a side wall of a paint tank or a shutter as the electric heating means, a simple structure can be obtained. It will be easier.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a road marking device, which is mounted on a truck 3 provided with a handle 2 and has wheels 4 attached to a lower surface thereof so that the truck 4 can run freely. A paint tank 5 and a bead tank 6 are stacked on the truck 3. I have. Further, the paint tank 5 is provided with a shutter 7 for opening and closing a paint outlet at a lower portion. The shutter 7 is slidable in the front-rear direction, and the lever 8 is operated to drive the crank mechanism 9 to slide the shutter 7 back and forth to open and close the paint outlet.

The paint tank 5 is provided with an electric heater 10 as means for electrically heating and keeping the paint in the tank. The electric heater 10 is formed by casting a plate material 11, for example, an aluminum material and molding it into an appropriate shape.
The structure can be made simple and easy to manufacture. FIG. 2 shows a state in which a plate 11 in which an electric heater 10 is cast is attached near the paint outlet of the paint tank 5, and a concave portion inside the plate 11 is brought into contact with a tip of a side wall of the paint tank 5, and A heat retaining plate 12 such as a gypsum board is applied from the outside and fastened with bolts and nuts 13.

The plate material 11 into which the electric heater 10 has been cast may be formed and mounted in an appropriate shape according to the structure near the paint outlet of the paint tank 5, and for example, as shown in FIG. In the case of the type which moves up and down to open and close the paint outlet, the plate member 11 into which the electric heater 10 is cast may be used as the shutter 7.

As shown in FIG. 4, cover portions 14 are provided on both lower sides of the paint tank 5, and the cover portions 14 are provided.
Inside the cylindrical brush rotating body 15 and the cylindrical drum rotating body 16
The paint outlet is opened and closed while the shutter 7 is moved up and down by an air cylinder, and the paint is sprayed on the road surface by the cylindrical brush rotating body 15 and the cylindrical drum rotating body 16 to perform the road surface marking painting. It is also possible to mold and mount the electric heater 10 on the cover 14.

In the above embodiment, an example is described in which the electric heater 10 is provided near the paint outlet of the paint tank 5 so that the paint flows out smoothly. However, the present invention is not limited to this location. If a power supply source for supplying electric power to the electric heater 10, which will be described later, has room, it may of course be provided over a wide range of the side wall of the paint tank 5.

In the above-described embodiment, the electric heater 10 is cast into the plate material 11 and formed into a predetermined shape and is mounted on the paint tank 5. However, an electric heater such as a linear heater or a planar heater is used. Or a stick-shaped heater may be inserted directly into the paint tank 5. In addition, paint tank 5
In place of the electric heater 10, a heating method such as induction heating may be adopted as the electric heating means.

The electric heater 10 may be always energized in order to keep the paint warm. However, a temperature sensor for detecting the paint temperature is provided, and the temperature of the paint is detected by the temperature sensor to set it in advance. Compare with the paint temperature set value,
As a result, the energization of the electric heater may be controlled so that the paint has a predetermined set temperature.

Reference numeral 17 denotes a power supply source for supplying electric power to the electric heater 10. As the power supply source, a generator is preferable, and a battery can be used in a small device. In addition, when a generator is mounted on a vehicle equipped with a road marking paint dissolving device that supplies a molten paint to the road marking construction device 1, when a vehicle equipped with the road marking paint melting device is supplied when the molten paint is supplied. The paint tank 5 may be heated by supplying power to the electric heater 10 from the machine. In this case, the road marking construction apparatus 1 does not require a power supply source, and the cost is reduced.

Reference numeral 18 denotes a control box for performing ON / OFF control of the electric heater 10, and is connected to the electric heater 10 and the power supply source 17.

When the road marking is performed by the road marking construction apparatus, first, the generator of the power supply source 17 is driven, and then the heating switch of the electric heater 10 of the control box 18 is turned on, and the paint tank is turned on. 5 is preheated.

When the paint tank 5 has been sufficiently heated, the extraction port of the road marking paint melting device mounted on the truck is opened, and the melted paint is poured into the paint tank 5. When the road marking painting is to be started, the road marking construction apparatus 1 is moved to a predetermined position, the lever 8 is operated, the shutter 7 is opened and closed, and the paint is run down by aiming at the guide pins while flowing down the road. Draw predetermined lane markings and road markings.

As described above, when the electric heating means is used for heating and keeping the paint in the paint tank 5 loaded on the road marking apparatus 1, there is no danger of fire or the like during the execution of the road marking. In addition, convenience is improved and workability is improved.

[0022]

As described above, according to the road marking construction apparatus of the present invention, a paint tank is loaded on a movable truck, and the paint is opened and closed by opening and closing a shutter provided at a paint outlet of the paint tank. In a road marking construction apparatus that performs the road marking painting by flowing down, the paint tank is provided with an electric heating means for heating and keeping the paint, and a bogie has a power supply source for supplying electric power to the electric heating means. Since the propane gas burner is not used for heating and keeping the paint as in the related art, there is no danger of a fire or the like, so that it is safe, easy to use, and workability is improved.

Further, since the electric heating means is formed in such a manner that the plate material in which the electric heater is cast is formed into a predetermined shape and is attached to the paint tank, the structure is simple and the production is easy.

[Brief description of the drawings]

FIG. 1 is a partially cut-away schematic configuration view showing one embodiment of a road marking apparatus according to the present invention.

FIG. 2 is an enlarged sectional view of the vicinity of a paint outlet of the paint tank of FIG.

FIG. 3 is a cross-sectional view near a paint outlet of a paint tank according to another embodiment.

FIG. 4 is a cross-sectional view near a paint outlet of a paint tank according to another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Road marking construction apparatus 3 ... Dolly 5 ... Paint tank 6 ... Bead tank 7 ... Shutter 8 ... Lever 10 ... Electric heater 11 ... Plate material 12 ... Heat insulation plate material 17 ... Power supply source

Continued on the front page (72) Inventor Masanori Takada 1-2-2, Hitotsubashi, Chiyoda-ku, Tokyo Sumitomo Corporation (72) Inventor Osamu Tajima One day at 1013 Eijima, Okubocho, Akashi-shi, Hyogo Prefecture F-term in Koko Co., Ltd. (Reference) 2D053 AA28 AB09 EA12 EA15 EA22

Claims (2)

[Claims] Claims: 1. A paint tank is mounted on a movable cart.
In a road marking construction apparatus in which paint is caused to flow down by opening and closing a shutter provided at a paint outlet of the paint tank to perform road marking coating, the paint tank is provided with electric heating means for heating and keeping the paint warm, And a power supply source for supplying power to the electric heating means is mounted on the trolley. 2. The road marking apparatus according to claim 1, wherein said electric heating means is made of a plate material into which an electric heater is cast.