JP2000054317A - Method and device for applying jet type road marking - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for applying jet type road marking in which flowability of an applying material is improved and an applied film is uniformly formed without lack of the film at the upper corners in the section. SOLUTION: This device is constituted of a hopper 3 in which an applying material 4 is contained, a pair of rotary bodies 1, 2 jetting downwardly the applying material 4 toward the ground surface while inwardly rotating, and a shutter 8 at the outflow opening for the applying material, provided in the hopper 3. A road marking material is jetted out onto the ground surface in such a manner that the applying material 4 is jetted and applied on the ground surface by the rotary bodies 1, 2 when the shutter 8 at the outflow opening is opened, and the jetting material of the rotary bodies 1, 2 is cut off when the shutter 8 is closed. In this case, at least the lower part of the rotary bodies 1, 2 is uniformly heated and also the upper part of both sides of the rotary bodies 1, 2 is heated to uniformly jet the applying material 4 to the ground surface by the rotary bodies 1, 2 without lack of the film at the upper corners of both sides, when the outflow opening shutter 8 for the applying material is opened.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an injection type road marking application method and an injection type road marking application device.

[0002]

2. Description of the Related Art As a conventional injection type road marking coating device, two cylindrical rotary members (21, 21a shown in FIG. 4) which are separated from the ground and rotatably supported on both side plates 20, 20a.
Are parallel and equidistant to the road surface GL, and the two rotating bodies 21 and 21a are opened and closed by the opening and closing operation of the coating material outlet shutter with respect to the coating material outlet provided below the coating material hopper.
The coating material in the coating material hopper is caused to flow into the contact point side while rotating in the inward direction while contacting the generatrix of the two rotating bodies 21 and 22, as shown in FIG.
At least the lower portion of the heating member 21a is heated by four burners 22 (the number of which varies depending on the size of the label line width), and the coating material flowing into the contact side is rotated by the two rotating members 2a.
The centrifugal force and the repulsive force generated by the rotation of the motors 21 and 21a are used to atomize the fine particles and spray them onto the road surface GL on the ground to perform the road marking painting 23 as shown in FIG.

[0003]

However, in such an apparatus, the flow of the coating material is poor, and the road marking paint 23 is not used.
As shown in FIG. 5, there is a problem that the upper corner portions 23a on both sides in the cross section are chipped.

[0004]

DISCLOSURE OF THE INVENTION An object of the present invention is to provide a spray road marking application method and a spray road marking coating apparatus which solve the above problems. And a pair of rotating bodies for spraying the coating material on the ground while rotating the coating material downward and inward, and a coating material outlet shutter provided in the hopper. When the outlet shutter is opened, the coating material is spray-coated on the ground by the rotating body, and when the coating material outlet shutter is closed,
In the injection type road sign coating method of spray coating the road sign on the ground so as to block the injection by the rotating body,
While uniformly heating at least the lower part of the rotating body,
When the upper portion of both sides of the rotating body is warmed and the coating material outlet shutter is opened, the coating material is uniformly sprayed on the ground by the two rotating bodies to apply evenly without chipping the upper corner portions on both sides in the cross section. It is characterized by doing so.

[0005] Further, as an injection type road marking coating device,
Injection comprising a hopper for storing the coating material, a pair of rotating bodies for spraying the coating material on the ground while rotating the coating material downward and inward, and a coating material outlet shutter provided in the hopper. In the road sign application device, a burner for uniformly heating the rotating body is provided at least below the rotating body, and burners are provided at least above both sides of the rotating body.

[0006] Further, in the above-mentioned injection type road marking coating device, a heating power adjusting device capable of appropriately adjusting the heating power of each burner is provided.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A specific embodiment of an injection type road marking application method and an injection type road marking application apparatus according to the present invention will be described below with reference to FIGS. FIG. 1 is a cross-sectional view of an injection-type road marking coating device according to the present invention when a coating material outlet shutter is opened, and FIG. 2 is a plan view illustrating a main part of the present invention in the device. It is. FIG. 3 is a cross-sectional view of road marking painting applied by the same device.

In FIG. 1 to FIG. 3, reference numeral 1 denotes a cylindrical brush rotating body which is provided at a distance from the ground. Reference numeral 2 denotes a cylindrical drum rotating body provided in parallel with the cylindrical brush rotating body 1, and is preferably a metal material, and may be a spline roll. The cylindrical brush rotator 1 and the cylindrical drum rotator 2 are rotated downward by a power (not shown) inward toward each other.
The two rotating bodies 1 and 2 constitute an injection unit.
The rotation speed (peripheral speed) of the cylindrical brush rotator 1 is approximately twice as high as the rotation speed of the cylindrical drum rotator 2. 1a is a rotation axis of the cylindrical brush rotating body 1, and 2a
“a” is the rotation axis of the cylindrical drum rotating body 2. The rotating shaft 1a of the cylindrical brush rotating body 1 and the rotating shaft 2a of the cylindrical drum rotating body 2 are supported by side plates 10 and 10a made of metal materials provided on both sides.

In this embodiment, of the two rotating bodies,
One rotating body is a cylindrical brush body and the other rotating body is a cylindrical drum body, and the rotating speed of the rotating body on the rear side in the traveling direction is higher than the rotating speed of the rotating body on the front side in the traveling direction. Not limited to this, the rotation speed of the rotator on the front side in the traveling direction may be higher than the rotation speed of the rotator on the rear side in the traveling direction, or the rotation speeds of both rotators may be constant. Also, 2
Both the rotating bodies may be formed as cylindrical drum bodies, and the rotating speeds of the rotating bodies may be mutually changed or may be constant.

Reference numeral 3 denotes a coating material hopper, in which a coating material 4 is stored. Cover portions 5 and 6 are provided on both lower sides of the coating material hopper 3, and a coating material outlet 7 is provided by the cover portions 5 and 6. The cylindrical brush rotator 1 and the cylindrical drum rotator 2 are located in the covers 5, 6, respectively. The cover part 5 is provided with a corner convex part 5a, and the cover part 6 is provided with a shutter guide part 6a.
a is provided. The coating material 4 is optimally a fusible material.

Reference numeral 8 denotes a coating material outlet shutter which is mounted inside the coating material hopper 3 by an air cylinder (not shown) so as to operate vertically, and has a plate-like shape as a whole. The coating material outlet shutter 8 has a width substantially equal to the axial length of the two rotating bodies 1 and 2, and one end surface thereof has the coating material outlet shutter. When the shutter 8 is closed, a concave portion 8a substantially corresponding to the corner convex portion 5a having a required angle forming the coating material outlet 7 is provided, and the other surface of the coating material outlet shutter 8 is opened and closed. At the time, the shutter guide section 6
The vertical part 8b which guides to a is provided. Moreover,
The vertical portion 8b is formed forward in the traveling direction. 9,
Reference numerals 9a denote guide plates provided at the lower portions, respectively, to prevent the application material sprayed on the ground from rebounding. The coating material hopper 3 and the cover portions 5 and 6 are preferably made of, for example, a heat conductive material made of a metal material.

Reference numeral 12A denotes, for example, four lower burners (the number of which varies according to the size of the marking line width) which are arranged opposite to each other at a predetermined interval below the rotating bodies 1 and 2, respectively. , 2 are uniformly heated at least at the lower portions thereof via the cover portions 5, 6. Reference numeral 12B denotes an upper burner, which is disposed on both upper sides of the rotating bodies 1 and 2 so as to face side plates 10 and 10a made of a metal material, respectively.
a, and both the rotating bodies 1 and 2 are simultaneously and uniformly heated via the cover portions 5 and 6 respectively. 12C is a common pipe connecting each of the four lower burners 12A, and 12D is a common pipe connecting the lower burner 12A and the upper burner 12A.
B is a connecting pipe connecting B with a common pipe 12C. Reference numeral 12E denotes a burner thermal power adjusting device connected to the common pipe 12C and the connecting pipe 12D, respectively.
The intensity of the heat of each burner is appropriately adjusted by the heat adjusting device 12E.

Therefore, the coating material hopper 3 and the side plate 1
When the coating material outlet shutter 8 is opened, the flow of the coating material is improved, and the flow of the coating material is improved. The coating material can be uniformly applied to the road surface GL on the ground by the rotators 1 and 2 by uniformly spraying the coating material without chipping the upper corner portions on both sides in the cross section as shown in FIG.

According to the injection type road marking coating apparatus according to the present invention, when the coating material outlet shutter 8 is opened, the coating material 4 in the coating material hopper 3 is removed from the coating material hopper 3. The two rotating bodies 1 immediately below the application material outlet 7 formed by the corner projection 5a of the cover 5 provided at the lower portion and the shutter guide 6a of the cover 6
2 flows down uniformly in the inward direction and accumulates at the coating material outlet 7. When the coating material outlet shutter 8 is opened, the coating material 4 uniformly and uniformly flowed down by the rotating bodies 1 and 2 is moved downward by the cylindrical brush rotating body 1 and the cylindrical drum rotating body 2. By the action of centrifugal force and repulsive force due to rotation, uniform atomization spray (4a) is applied to the full width of both rotating bodies 1 and 2 to strike the road surface GL and adhere the coating film 11 to form a uniform road marking paint. Is what you can do. When the coating material outlet shutter 8 is closed, the coating material is blocked from flowing into both rotating bodies, and the injection by the rotating bodies 1 and 2 is blocked. Stops and the road marking painting can be stopped.

[0015]

According to the present invention, there is provided an injection-type road marking coating method comprising: a hopper for storing a coating material; and a pair of rotating bodies for spraying the coating material on the ground while rotating the coating material in a downward direction and inward. It comprises a coating material outlet shutter provided in the hopper, and when the coating material outlet shutter is opened, sprays and applies the coating material to the ground by the rotating body,
When the coating material outlet shutter is closed, in a spray-type road sign coating method in which the road sign is spray-coated on the ground so as to block injection by the rotating body, at least a lower portion of the rotating body is uniformly heated. When the upper portion on both sides of the rotating body is warmed and the coating material outlet shutter is opened, the coating material is uniformly sprayed onto the ground by the two rotating bodies to uniformly apply without cutting off the upper corner portions on both sides in the cross section. As a result, it is possible to apply a clean road marking line reliably and simply by a simple method.

In addition, the injection type road marking coating device according to the present invention includes a hopper for storing a coating material, and a pair of rotating bodies for spraying the coating material on the ground while rotating the coating material in a downward and inward direction. In an injection-type road marking coating device provided with a coating material outlet shutter provided in the hopper, a burner for uniformly warming the rotating body is disposed at least below the rotating body, and at least both sides of the rotating body. Since the burner is disposed in the upper part, there is an effect that it is possible to apply a clear road marking line reliably and with a simple structure.

Further, in the above-mentioned injection type road marking coating device, since a thermal power adjusting device capable of appropriately adjusting the thermal power of each burner is provided, the thermal power of each burner is appropriately adjusted by the thermal power adjusting device. This has the effect of improving the flow of the coating material.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view when an application material outlet shutter is opened in an embodiment of an injection type road marking application device according to the present invention.

FIG. 2 is a plan view for explaining a main part of the present invention in the device.

FIG. 3 is a cross-sectional view of a road marking coating applied by the injection type road marking coating device according to the present invention.

FIG. 4 is an explanatory view showing a conventional injection-type road marking coating device.

FIG. 5 is a sectional view of a road marking paint applied by the same device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylindrical brush rotating body 1a Rotating axis of cylindrical brush rotating body 1 2 Cylindrical drum rotating body 2a Rotating axis of cylindrical drum rotating body 2 3 Coating material hopper 4 Coating material 4a Injection 5 Cover part 5a Corner convex part 6 Cover Part 6a Shutter guide part 7 Coating material outlet 8 Coating material outlet shutter 8a Concave part 8b Vertical part 9 Guide plate 9a Guide plate 10 Side plate 10a Side plate 11 Coating film 12A Lower burner 12B Upper burner 12C Common pipe 12D Connecting pipe 12E Fire power control device GL road surface

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Hiroyoshi Hori 160 Nobutsubo, Nakahara-ku, Kawasaki City, Kanagawa Prefecture Inside of Signal Equipment Co., Ltd. F term (reference) 2D053 AA28 AD01 EA14 EA17 4D074 AA01 BB02 FF08 FF12 FF14

Claims (3)

[Claims] A hopper for storing the coating material, a pair of rotating bodies for spraying the coating material on the ground while rotating the coating material in a downward direction, and a coating material outlet shutter provided in the hopper. When the coating material outlet shutter is opened, the coating material is sprayed onto the ground by the rotating body, and when the coating material outlet shutter is closed, the injection by the rotating body is shut off. In the injection type road sign coating method of spraying and coating the sign on the ground, at least the lower part of the rotating body is uniformly heated, and the upper part on both sides of the rotating body is warmed. Injection type road marking application method characterized in that the application material is uniformly applied to the ground by a rotating body so that the upper corner portions on both sides in the cross section are applied uniformly without chipping. 2. A hopper for accommodating an application material, a pair of rotating bodies for spraying the application material on the ground while rotating the application material downward and inward, and an application material outlet shutter provided in the hopper. In the injection type road marking coating device provided with, a burner for uniformly warming the rotating body is disposed at least at a lower portion of the rotating body, and a burner is disposed at least at an upper portion on both sides of the rotating body. Injection type road marking applicator. 3. The spray-type road marking coating device according to claim 2, further comprising a thermal power adjusting device capable of appropriately adjusting the heating power of each burner.