JPH09291514A - Road zone line and method of and device for laying thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an array pattern of protrusions of the center line of a road surface, having a function such that not only a driver is warned of a danger but also the driver is led to a normal running lane. SOLUTION: A plurality of side-long protrusions 120a to 120d periodically formed in a plurality or rows are laid on a flat surface 110 of a road zone line 100 which is extended, longitudinal of the road, obliquely with respect to the widthwise direction of the road so that protrusions 120a in the row furthest from the zone line on the advancing side in the advancing direction are set to be trailing ends, and protrusions 120d in the row nearest to the zone line on the advancing side are set to be leading ends.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a road marking line having an effect of guiding a traveling vehicle to a correct section on a road so as to prevent the vehicle from protruding from the correct section, a construction method and an apparatus thereof. is there.

[0002]

2. Description of the Related Art Conventionally, as a structure of a center line of a road, a large number of projections such as leopards are provided in the center line, and the fact that a vehicle has entered the center line is transmitted by a vibration transmitted through wheels. There are things that let the driver know. In the conventional center line structure of this type, the protrusions were arranged in a grid pattern along rows or lines substantially perpendicular to the longitudinal and lateral directions of the road or in a staggered pattern. , It could not be expected to have any function other than warning the driver of the danger through visual and vibration.

Further, Japanese Patent Application Laid-Open No. 3-286005 discloses an example in which vertically long projections are arranged in a houndstooth check pattern, a diagonal pattern, or a goose pattern on a road division line. In this example, since the protrusion is formed vertically long, the tire is aligned with the tread of the tire when stepping on the marking line,
The effect of inducing to deviate from the marking line was low. Further, since the oblique pattern is arranged so as to rise to the right, that is, inclined to the right lane side, when this pattern is adopted for the center line, it may be guided to the opposite lane side.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a central line having an array of protrusions which is effective not only to warn the driver of the vehicle of the danger, but to guide him to the correct area. To do. Another object of the present invention is to provide a method and apparatus for constructing such a center line.

[0005]

In order to achieve the above object, the road marking line according to the first invention of the present application is a laterally long line which is periodically formed along a plurality of rows extending in the extension direction of the road. Regarding the width direction of the road, along the diagonal line, the plurality of protrusions have the protrusion in the row farthest from the traveling lane as the rear end and the protrusion in the row closest to the traveling lane as the front end. It is characterized by being arranged.

In the method for constructing a road marking line according to the second invention of the present application, while the traveling body containing the melted coating material is traveling on the road, the coating material is applied to the plurality of portions in the width direction of the traveling material at different timings sequentially. It is characterized by controlling the supply amount.

A road marking line construction apparatus according to a third aspect of the present invention comprises wheels, a paint tank for containing and supplying paint, and a paint receiving portion for receiving melted paint from the paint tank. The paint receiving part has a discharge hole at the lower end, and at the lower end of the side plate of the paint receiving part facing the discharge hole,
The discharge hole is provided with a plurality of continuous notches, and each of the notches is provided with a shielding plate that opens and closes at different timings.

[0008]

Operation: The oblong protrusions arranged along the lane that gradually approach the correct traveling area from the rear to the front in the traveling direction of the road not only give a warning to the driver by vibration, but also It works to guide the wheels, which do not match the tread and swing on this protrusion, to the driving lane.

[0009]

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

FIG. 1 shows a pattern when the road marking line according to the present invention is the center line. The center line 100 drawn on the road is provided with a plurality of horizontally long protrusions 120a to 120d which are periodically formed on a flat surface 110 along a plurality of rows arranged in parallel with the extension direction of the road. At the same time, the projections 120a to 120b are arranged along an oblique line with the projection 120a in the row farthest from the traveling lane as the rear end and the projection 120d in the row closest to the traveling lane as the front end. Have a pattern. According to such a configuration, since the protrusions 120a to 120d are obliquely arranged toward the traveling lane, when the tire rides on the center line, the protrusions are sequentially contacted from the outside of the tire, The function of guiding the tire to the traveling lane side is produced. Furthermore the protrusion 1
Since 20a to 120d are horizontally long, the possibility that the protrusions will be aligned with the tread groove in the traveling direction of the tire is reduced, and the guiding effect can be reliably exhibited.

FIG. 2 is a vertical sectional view schematically showing a road marking line construction apparatus according to one embodiment of the present invention, and FIG. 3 is a rear view of the paint receiving portion in FIG. The construction device 1 is a housing 1
0, a pair of wheels 20, a paint melting tank 30, a heater 40, a paint receiver 50, a bead sprinkler 60, and a hand handle 70. The housing 10 can travel in the direction of the arrow in FIG. 2 by the rotation of a pair of wheels 20 attached to the lower ends of both sides.

The housing 10 accommodates a paint melting tank 30, a heater 40 arranged below the paint melting tank 30, and a bead sprinkler 60. Below the heater 40,
A paint receiving portion 50 is arranged so as to penetrate the bottom surface of the housing 10. The paint 2 is accommodated in the paint melting tank 30, and the paint 2 is heated and melted by the heater 40, and enters the paint receiving portion 50 through the through hole 31 and the valve 32 provided at the bottom of the paint melting tank 30. It is designed to fall.

The paint receiving portion 50 has a front wall 51 having a funnel-shaped inclined portion as is apparent from FIGS. 2 and 3,
The distance between the left and right walls 53, 54, which is composed of the rear wall 52 and the left and right walls 53, 54 extending vertically, corresponds to the line width of the road marking line to be constructed. The bottom surface of the paint receiving portion 50 is a horizontally long slit-shaped ejection port 55 surrounded by the walls 51 to 54. The discharge port 55 can be provided with an openable bottom plate (not shown) that can be closed when the device is not used. The lower end of the rear wall 52 ends slightly above the lower ends of the front wall 51 and the left and right walls 53, 54, and a plurality of notches 56a to 56d are formed at equal intervals.

Shielding plates 57a to 57d are provided on the rear surface of each of the notches 56a to 56d so as to open and close the notches 56a to 56d by moving up and down. Each shield 57
The a to 57d are connected to, for example, air cylinders or cams (not shown) provided in the respective a to 57d, and are normally held at positions for closing the corresponding notches 56a to 56d by a spring bias or the like, and intermittently upward. Each notch is raised 5
6a to 56d are opened.

The pulling up of the shield plates 57a to 57d is controlled by a control means (not shown) so that the shield plates 57a to 57d are pulled up in the order of 57b, 57c and 57d starting from the right end 57a. Further, in this embodiment, the shield plate that has been pulled up before is lowered and the next shield valve is opened at the same time, so that the pattern shown in FIG. 1 is drawn. Further, the cycle of pulling up of each of the shielding plates 57a to 57d is preferably a value proportional to the traveling distance of the device,
In that case, it can be set to a predetermined ratio with respect to the rotation speed of the wheel 20. The operation of each of the shielding plates 57a to 57d may be performed by the rotation of the wheel 20.

Further, the paint 2 is placed in the paint melting tank 30.
A stirrer 33 for stirring by operating a stirring handle 34 provided outside is provided.

The bead sprinkler 60 provided at the rear end portion of the housing 10 is, for example, a container 6 for containing the glass beads 3.
1, a horizontally long slit 62 that opens at the bottom of the container 61 behind the paint discharge port 55, and a roller 6 for uniformly diffusing and dropping glass beads supplied from the slit 62.
3 and the spray port 64.

The road marking line construction apparatus having the above construction operates as described below. When the front wall 51 of the paint receiving part 50 and the lower ends of the left and right walls 53, 54 are brought into close contact with the road surface G to be constructed and the discharge port 55 is opened, the molten paint 2 in the paint receiving part 50 is transferred from the discharge port to the road surface. leak.
When the apparatus is run in the direction of the arrow in FIG. 2 in this state, the paint 2 flowing out from the discharge port 55 is left on the road surface within a width regulated by the left and right walls 53, 54 and hardens, and the belt-shaped center line is applied to the road surface. Will be drawn.

During this time, all notches 56 as shown in FIG. 4a.
In the section where a to 56d are closed by the shielding plates 57a to 57d, the left and right walls 5 are attached to the road surface as shown in FIG. 4b.
Width corresponding to the distance between 3, 54 (typically 300 m
m) and a strip-shaped flat portion 110 having a uniform thickness (typically about 1.5 mm) corresponding to the gap t between the lower end of the rear wall 52 and the road surface.

Next, as shown in FIG. 5a, in a section in which only the shield plate 57a at the right end is pulled up and only the cutout 56a is opened, the cutout 56a is moved to the position where the cutout 56a has passed and the length of the open position. Corresponding length (typically about 40m
m), a width corresponding to the width of the notch 56a (typically about 6
0 mm) and a height corresponding to the depth (typically about 4 mm from the surface of the flat part 100) are formed. In FIG. 5, b is a sectional view in the extension direction of the road, and c is a sectional view in the width direction.

Similarly, the protrusion 120c is formed in the section where only the notch 56c is opened, and the protrusion 120d is formed in the section where only the notch 56d is opened, as shown in a plan view in FIG. Thus, a pattern in which the protrusions 120a to 120d formed by the notches 56a to 56d are obliquely aligned in different phases in the extension direction of the road is obtained. Although it is conceivable that the glass beads 3 are sprinkled after the application of the coating material 2, its illustration and description will be omitted.

The planar shapes and dimensions of the protrusions 120a to 120d and the intervals between the adjacent protrusions 120a to 120d in the extension and width directions of the road are notches 56a to 56d.
Width, the length and timing of the section in which the notches 56a to 56d are opened, and the arrangement interval of the notches 56a to 56d. Some variations of the patterns obtained by changing these values are shown in FIGS. 7 and 8.

Incidentally, as shown in FIG. 7, the projections 120a to 120d are formed.
The pattern in which a slight interval is provided in the extension direction of the road is that when the notches 56a to 56d are sequentially opened, after closing the previously opened notch, before opening the next notch, Obtained by providing a section with a closed notch. As shown in FIGS. 1 and 7, in the pattern in which the protrusions 120a to 120d are provided with a slight gap (typically 10 mm, for example) in the width direction of the road, the notches 56a to 56d are arranged with a predetermined gap. Obtained by

Further, as shown in FIG. 8, the protrusions 120a to 12a
For a pattern with no gap in both the width direction and the extension direction of the road between 0d, the cutouts 56a to 56d are not cut.
It is obtained as a structure (not shown) in which the shielding plates 57a to 57d are formed as two notches and are in close proximity to each other.

In addition, by pulling up the next shield plate before the previously pulled up shield plate is pulled down,
It is also possible to form a pattern (not shown) in which the protrusions 120a to 120d partially overlap each other in the extension direction of the road.

In the above embodiments, the center line has been described, but it goes without saying that the present invention is applied to a road marking marked on the center line which prohibits passing. Further, in the above embodiment, the push-type traveling body is taken as an example of the device, but it goes without saying that it may be a self-propelled traveling body. In addition, the number of the protrusions 120a to 120d in the width direction is the cutouts 56a to 5d.
6d and the number of the shielding plates 57a to 57d can be appropriately selected.

[0027]

As described above, according to the present invention, a plurality of protrusions, each of which is periodically formed along a plurality of rows extending in the extension direction of the road, has a plurality of protrusions in the width direction of the road. As it is arranged along the diagonal line with the projection of the row farthest from the traffic section of the road as the rear end, and the projection of the row closest to the traffic section of the road as the front end,
Beyond merely alerting the driver of the vehicle of a danger, it is possible to provide a central line with an array of protrusions that guides the driver to the correct driving range. Further, the structure can be formed by a simple construction method and device in which the device is run while sequentially moving up and down a plurality of shielding plates capable of increasing and decreasing the discharge amount of the paint.

[Brief description of drawings]

FIG. 1 is a plan view showing a protrusion array pattern of a center line according to the present invention.

FIG. 2 is a vertical cross-sectional view schematically showing a center line construction device according to an embodiment of the present invention.

FIG. 3 is a rear view of the paint receiving portion 5 in FIG.

FIG. 4 is a diagram showing a process of forming a center line by the construction apparatus of FIG.

5 is a diagram showing a process of forming a center line by the construction device of FIG.

FIG. 6 is a diagram showing a process of forming a center line by the construction apparatus of FIG.

FIG. 7 is a plan view showing a center line projection array pattern according to another embodiment.

FIG. 8 is a plan view showing a center line projection array pattern according to another embodiment.

[Explanation of symbols]

 1 Construction Device Main Body 2 Paint 3 Beads 10 Housing 20 Wheels 30 Paint Melting Tank 40 Heater 50 Paint Receiving Portion 55 Discharge Port 56a to 56d Notches 57a to 57d Shielding Plate 60 Bead Spreader 100 Center Line 110 Flat Part 120 Projection

Claims (4)

[Claims] 1. A road division line extending in an extension direction of a road, wherein a plurality of laterally elongated protrusions are periodically formed on a flat surface of the road division line along rows extending in the extension direction. Along with the width direction of the road, the protrusions are arranged along an oblique line with the protrusion of the row farthest from the traveling lane as the rear end and the protrusion of the row closest to the traveling lane as the front end. Road marking line characterized by having done. 2. The road marking line according to claim 1, wherein the plurality of protrusions selectively project on a road marking line having a predetermined width and a predetermined thickness. 3. A predetermined width and a predetermined width are obtained by controlling the supply amount of the coating material at a plurality of portions in the width direction of the traveling body at different timings while the traveling body containing the molten coating material is traveling on the road. Of the road marking line having the thickness of and the plurality of rows extending in the extension direction of the road within this road marking line, the protrusion of the row farthest from the traveling lane is the rear end and is closest to the traveling lane. A method for constructing a road marking line, which comprises forming a projection arranged along an oblique line having a projection of a row as a front end. 4. A wheel, a paint melting tank for containing and supplying paint, and a paint receiving part for receiving the molten paint from the paint melting tank, wherein the paint receiving part has a discharge hole at a lower end. A plurality of cutouts continuous with the discharge hole are provided at the lower end of the side plate of the paint receiving portion facing the discharge hole, and each cutout is provided with a shield plate that opens and closes at different timings. Construction equipment for road lane markings characterized by being