JP5734916B2 - Road marking line construction equipment - Google Patents

Description

  The present invention relates to a road marking line construction apparatus that draws a marking line by applying a hot-melt paint on a road surface.

  For example, in order to draw a marking line having a relatively wide width, such as a pedestrian crossing or a stop line, a road marking line construction apparatus for applying a heated molten paint with a certain thickness on the road surface is used. This road marking line construction device applies a heated molten paint warmer and a heated molten paint supplied from the heated molten paint warmer to a road surface with a certain thickness on a carriage that is movable by wheels. A coating device is provided, and a spraying device for spraying and adhering a spraying material such as glass beads on the heat-melted paint applied to the road surface is also mounted.

  Regarding the road marking line construction apparatus having the above-described configuration, many proposals have been made so far, and the present applicant has previously proposed the road marking line construction apparatus shown in Patent Documents 1 and 2, for example.

Japanese Patent No. 4150103 JP 2000-290923 A

According to the road marking line construction apparatus described above, the heated melt paint is applied to the road surface with a predetermined thickness through the slit-shaped bottom opening in the heated melt paint heat insulating kettle provided in the direction parallel to the width direction of the carriage as the carriage progresses. It is made to apply to.
A spraying material hopper containing a spraying material such as glass beads is mounted on the rear side of the heated molten paint heat-retaining pot in the traveling direction of the carriage, and the spraying material is placed on the marking line applied to the road surface with a predetermined thickness. It is comprised so that glass beads etc. may be spread and adhered from a hopper.

  By the way, according to the conventional road marking line construction device described above, the application device for applying the marking line to the road surface and the spraying port of the spraying device for spraying glass beads etc. on the applied marking line are It is made away from each other. Therefore, the heated melt paint applied to the road surface is sprayed with glass beads and the like from the spray port in a state where the cooling by the road surface has progressed to some extent with respect to the temperature immediately after the application.

In other words, since the glass line is spread while the marking line is hardened by the hot melt paint, the degree of spreading material is less likely to sink into the road marking line, and most of the spreading material adheres to the surface of the marking line. It will be installed in the state.
Accordingly, as the vehicle travels or pedestrians pass, the degree of the scattering material separating on the applied marking line is large, and the effect of retroreflection by the scattering material is not sufficiently exhibited, and the road marking line is visually recognized. Will have the problem of lowering in a short time.

  This invention is made to solve the above-mentioned problems of road marking lines constructed by the conventional construction apparatus described above, and the dispersed material is dispersed so as to sink near the surface layer of the road marking lines. Thus, an object of the present invention is to provide a road marking line construction device capable of maintaining the visual effect of road marking lines over a long period of time.

Road marking line construction apparatus according to made the present invention in order to solve the above, the heating and melting paint insulation pot for accommodating the heating and melting paint to be construction on the road surface, the heating supplied from the heating molten coating insulation pot road surface formed by the molten coating material equipped with a coating apparatus for applying a constant thickness with respect to the road surface, and a spraying device to deposit by spraying a spraying material onto the heated and melted paint applied to the road surface on the carriage A marking line construction device, wherein the heating melt coating application device is provided with a hot melt coating discharge port formed in a slit shape in a direction perpendicular to the traveling direction of the carriage, and discharged from the discharge port. By rubbing the heated molten paint against the road surface (nathle), a rubbing piece for applying the heated molten paint to a predetermined thickness is provided, and the back surface of the rubbing piece in the traveling direction of the carriage, The rubbing More forming a slit-shaped gap and guide member of the diffuser disposed facing the back of the, by the slit-shaped gap, the distribution opening of the diffuser is formed, the diffuser is said guide member In contact with the back surface of the scrubbing piece and guided immediately after the backside of the scrubbing piece by the spraying port, and sprayed on the heated molten paint applied to the road surface, and slit-shaped The heating melt paint discharge port and the slit-shaped spray port are formed in parallel to each other so as to be orthogonal to the traveling direction of the carriage.

  In this case, it is desirable that a burner for heating the scrubbing pieces and the spray material sprayed from the spray port by a combustion flame is disposed.

In addition, in a preferred embodiment, the spraying material guide member forming the spraying port of the spraying material is provided with a spraying material tray having an inclined bottom surface for supplying the spraying material, and the tray The spraying hole for the spraying material is formed on the inclined bottom surface of the spraying material, the spraying material is sprayed from the slit-shaped spraying port by the rubbing pieces and the guide member for the spraying material, and the spraying port in the traveling direction of the carriage in the rear, configured to spread the diffuser through the spraying holes formed in the bottom surface of inclined of the pan.

According to the road marking line construction apparatus having the above-described configuration, the heated molten paint discharged from the discharge port of the heated molten paint formed in the slit shape is applied to the road surface with a predetermined thickness by the rubbing pieces.
In addition, since a sprinkling port for the sprinkling material is formed between the back surface of the scrubbing piece and the guide member for the sprinkling material disposed at a predetermined interval, immediately after being applied to the road surface by the scrubbing piece. For example, a spraying material such as glass beads can be sprayed on the heat-melted paint (indicating line).
According to this, since the spray material from the spray port is immediately sprayed on the marking line that has not been cooled immediately after application to the road surface, the spray material is effectively submerged from the surface of the marking line It is solidified with.

  In this case, since the structure which heats the said scraping piece and the spraying material sprayed from the said spraying port with a combustion flame is employ | adopted, the above-mentioned subduction effect of a spraying material can be further promoted.

  Moreover, generally the same kind of glass beads as the spraying material is mixed in the hot melt coating material stored in the heated melt coating heat retaining pot, and the marking line thus constructed extends from the lower layer to the upper layer. Therefore, it is possible to provide a road marking line that can maintain the visual effect over a long period of time.

  In addition, by adopting a configuration in which the spraying holes for the spraying material are formed on the inclined bottom surface of the spraying material tray, a part of the spraying material is sprayed on the surface. In the case where the viscosity of the sprayed material is low, it is possible to realize distributed spraying with a well-balanced settlement of the spray material.

It is the side view which showed the road marking line construction apparatus which concerns on this invention in a partially transparent state. It is a top view of a construction apparatus similarly. It is the schematic diagram of the principal part which showed the state just before construction of a marking line. It is the schematic diagram of the principal part which showed the state under construction of a marking line. It is the schematic diagram which expanded and showed the principal part in the state under construction shown in FIG. It is the schematic diagram of the principal part which showed the state under construction of the marking line which concerns on other embodiment. It is the schematic diagram which showed the state of the road marking line constructed by the construction apparatus.

Hereinafter, the road marking line construction apparatus according to the present invention will be described based on the embodiments shown in the drawings.
As shown in FIGS. 1 and 2, the road marking line construction apparatus according to the present invention is entirely mounted on a carriage 1, and this carriage 1 has an axle 3 and a front and rear of a rectangular base 2. 4 is attached in parallel. A front wheel 5 and a rear wheel 6 are rotatably attached to both ends of the axles 3 and 4 to constitute a four-wheel carriage.
The front wheel 5 and the rear wheel 6 in the cart 1 are names for convenience when the cart 1 is transported by a push type that does not construct a road marking line. When the marking line is constructed on the road surface GL, the cart 1 is advanced in the direction of arrow A shown in FIG.

Reference numeral 8 indicates a heated melt paint heat-retaining pot (hereinafter sometimes simply referred to as a heat retainer) that accommodates the heated melt paint mounted on the carriage 1. In the direction orthogonal to the traveling direction of the carriage 1 (arrow A in FIG. 1), that is, in the width direction of the carriage 1, a hot melt paint discharge port 9 configured in a slit shape is formed. And the rubbing piece 10 which apply | coats a hot-melt coating material to a road surface to predetermined thickness by rubbing the hot-melt coating material discharged from the said discharge port 9 with respect to the road surface GL is comprised.
That is, the rubbing piece 10 constitutes one side of the discharge port 9 for the hot-melt coating material formed in a slit shape. The detailed configuration of the hot-melt paint coating device including the hot-melt paint discharge port 9 and the rubbing piece 10 will be described later in detail with reference to FIGS.

One end of a pair of hook-shaped members 13a, 13b is attached to the heat retaining pot 8 in an inclined state, and the other end of the hook-shaped members 13a, 13b is attached to the pair of hook-shaped members 13a, 13b. Is attached in a horizontal state.
The warming pot 8 is supported so that the bottom of the front side (the right side in FIGS. 1 and 2) is pivotally supported by the axle 4, and the entire warming pot 8 can be slightly tilted up and down. The state shown in FIG. 5 shows a state in which the heated molten paint discharge port 9 of the heat retaining pot 8 is lowered and a marking line can be constructed on the road surface GL.

  Further, by pulling down the moving handle 14 toward the front, the heat insulating pot 8 supported by the axle 4 is rotated slightly upward. As a result, the locking rod 15 mounted horizontally in front of the warming pot 8 enters the locking groove 16a of the fixing hook 16 disposed adjacent to the front of the warming pot 8, and the warming pot 8 is raised. Kept in a state. Therefore, the entire construction apparatus including the carriage 1 can be arbitrarily moved in this state.

The fixed hook 16 is supported by a support shaft 17 so as to be rotatable in the front-rear direction, and the fixed hook 16 is configured to be interlocked with a rotation operation of a release lever 19 via a connecting rod 18. .
The release lever 19 is bent into a square shape, and the vicinity of the tip thereof is rotatably attached to a part of the mount 2 by a support shaft 20, and the tip of the release lever 19 is connected to the connecting rod 18. It is comprised so that the said fixed hook 16 can be rotated.
That is, by pulling down the release lever 19 to the front, the locking rod 15 of the heat retaining pot 8 held in the raised state by the fixed hook 16 is removed from the fixed hook 16, and the heat retaining pot 8 is shown in FIG. So that it is lowered.

  On the other hand, reference numeral 22 denotes an opening / closing lever for controlling opening / closing of the discharge port 9 for the heated and melted paint formed at the bottom of the heat retaining pot 8. The open / close lever 22 is connected to one of the two link shafts 23a and 23b connected at the center, and the open / close lever 22 is pulled forward as shown by a chain line in FIG. By doing so, the interlocking shaft 24 connected to the link shaft 23a operates to rotate the rubbing piece moving lever 26 supported by the support shaft 25.

FIGS. 3 to 5 schematically show how the rubbing piece 10 is moved by the rotation of the rubbing piece moving lever 26 and opens and closes the discharge port 9 for the heated and melted paint.
As shown in FIGS. 3 to 5, the rubbing piece 10 is attached to the lower end portion of the rubbing piece moving lever 26 shown in FIG. 1 via a connecting member 31 that is long in the width direction. Therefore, by operating the opening / closing lever 22 shown in FIG. 1, the rubbing piece 10 disposed on the lower bottom portion of the heat retaining pot 8 moves forward as shown in FIG. 4 from the state shown in FIG.

  That is, the rubbing piece 10 is joined to the opening / closing port member 32 that is long in the width direction and is disposed at the lower bottom portion of the warming pot 8, and the discharge port 9 of the warming pot 8 is closed. Has been made. Further, in the state shown in FIG. 4 in which the rubbing piece 10 is moved forward by the operation of the opening / closing lever 22, the discharge port 9 of the heat retaining pot 8 is formed in a slit shape between the opening / closing port member 32 and the rubbing piece 10. It is made open.

FIG. 5 is a schematic view showing an enlarged main part in a state where the discharge port 9 of the heat retaining pot 8 is opened in a slit shape.
As shown in FIG. 5, a gap of about 1.0 to 3.0 mm is generated between the lower bottom portion of the rubbing piece 10 and the road surface GL in a state where the heat retaining pot 8 is lowered. As shown in FIG. 1, the slider 11 attached to the left and right ends of the rubbing piece 10 slides in contact with the road surface GL, so that the constant gap is secured.
In this state, by moving the carriage 1 in the direction of arrow A shown in FIG. 1, the heated molten paint discharged from the discharge port 9 of the heat retaining pot 8 is rubbed against the road surface GL at the lower bottom portion of the rubbing piece 10, Thereby, the heat-melted paint is applied to the road surface GL.

As shown in FIG. 5, the rubbing piece 10 is formed with acute-angled ribs 10 a along the longitudinal direction and toward the opening / closing port member 32. In the opening / closing port member 32, a V-shaped groove 32 a is formed along the longitudinal direction and toward the rubbing piece 10. These acute-angled ribs 10a and the V-shaped groove 32a act so that both of them join together and the discharge of the heated molten paint is stopped when the discharge port 9 of the heated molten paint is closed.
The opening / closing port member 32, the rubbing piece 10 and the like constitute the discharge port 9 for the heated and melted paint described above.

Returning to FIGS. 1 and 2, a spraying device 35 for spraying material is mounted in front of the heat insulating pot 8, and a spraying material hopper 36 for storing, for example, glass beads as the spraying material is provided. A spray material feeding mechanism 37 is disposed below the spray material.
The bottom of the spray material hopper 36 is squeezed into a slit to form a spray material outlet, and as shown in FIGS. 3 and 4, the spray material feed roller is provided at the slit spray material outlet. 38 and 39 are arranged close to each other.

The one delivery roller 39 is configured to be rotationally driven via a drive wheel 40 and a driven wheel 41 that are driven as the front wheel 5 of the carriage 1 rotates.
That is, when the carriage 1 is advanced in the direction of arrow A shown in FIG. 1, the spraying rollers 38 and 39 for the spraying material are rotationally driven to drop the glass beads from the spraying material hopper 36 as shown in FIG. These constitute a part of the spray material feeding mechanism 37.

  In FIG. 1, the spray material feeding mechanism 37 indicates a driven wheel support plate that supports the driven wheel 41 described above. The driven wheel support plate 37 is supported by the axle 3 so as to be rotatable about its axis, and when the heat retaining pot 8 is lowered as shown in FIG. 1, the driven wheel 41 is supported by a spring member (not shown). The rotation is transmitted to the delivery roller 39 side.

That is, when the warming pot 8 is supported in the raised state by the fixed hook 16, the driven wheel support plate 37 shown in FIG. 1 is rotated counterclockwise about the axle 3 in association with this. The rotation transmission from 41 to the feed roller 39 is cut off.
Thus, the spray material feeding mechanism 37 causes the glass beads to be discharged from the spray material hopper 36 by advancing the carriage 1 in the direction of arrow A in the state where the heat insulating pot 8 is lowered as shown in FIG. Acts like

As shown in FIGS. 3 and 4, the cross section is formed in a funnel shape immediately below the feed rollers 38 and 39 constituting the spray material feed mechanism 37, and the bottom portion is bent backward to form a slit-shaped outlet. A material tray 45 is arranged.
Further, adjacent to the rear side of the bottom of the tray 45, there is disposed a spraying material guide member 46 formed of an inclined plate that moves integrally with the rubbing piece 10 and the connecting member 31 in the front-rear direction.

  As shown in FIG. 4, the spray material guide member 46 receives the glass beads from the tray 45 in the construction state in which the discharge port 9 for the hot melt paint is opened and the hot melt paint is applied to the road surface GL. The glass beads function to be guided and sprayed immediately after the back side of the rubbing piece 10. That is, the slit-shaped gap between the guide member 46 of the spraying material by the inclined plate and the rubbing piece 10 constitutes the spraying port of the spraying material, and the glass beads and the like described above from the spraying port immediately after the construction Scattered on the marking line.

As shown in FIG. 5, a first heat retaining burner 50 is disposed on the lower surface of the inclined plate constituting the spray material guide member 46, and the flame generated by the first heat retaining burner 50 is applied to the combustion guide plate 51. While being guided, the rubbing piece 10 is heated, and the glass beads falling immediately after the rubbing piece 10 also act so as to be heated by the flame of the first heat retaining burner 50.
Further, as shown in FIGS. 3 and 4, a second heat-retaining burner 52 is also disposed directly under the heat-retaining pot 8 described above, and this second heat-retaining burner 52 is used for heating and melting paint in the heat-retaining pot 8 during construction. Is used to keep the temperature at a predetermined temperature (for example, about 160 to 190 ° C.).

  A gas cylinder 54 for supplying combustion gas to the first and second heat retaining burners 50 and 52 is shown in phantom lines in FIGS. 1 and 2, and this gas cylinder 54 projects over the rear part of the gantry 2. It is mounted on the mounting table 2a formed in this way.

According to the road marking line construction apparatus having the above-described configuration, the above-described heat retaining pot 8 can be lowered by pulling down the above-described release lever 19, and at the same time, the above-described spraying material feeding mechanism 37 is provided. The drive is ready.
Subsequently, by pulling the open / close lever 22 forward, the rubbing piece 10 arranged at the lower bottom portion of the heat insulating kettle 8 moves, and the discharge port 9 of the heat insulating kettle 8 is opened in a slit shape.

In this state, by moving the carriage 1 in the direction of arrow A, the heated molten paint discharged from the heat retaining pot 8 is rubbed against the road surface GL at the lower bottom portion of the rubbing piece 10, whereby the heated molten paint is applied to the road surface GL. To be applied.
In addition, on the marking line immediately after being applied to the road surface GL by the rubbing piece 10, the glass beads are uniformly dispersed in the width direction by the action of the spray material feeding mechanism 37, and the road surface in the molten state immediately after the construction. Glass beads adhere to the marking line as if sinking.

FIG. 6 shows another example of the construction apparatus according to the present invention, which is an improvement of the above-described spraying material receiving tray 45. In FIG. 6, parts that perform the same functions as those shown in FIG. 4 already described are denoted by the same reference numerals, and therefore detailed description thereof is omitted.
In the embodiment shown in FIG. 6, a configuration in which a number of spraying holes schematically shown by reference numeral 45 a are provided on an inclined lower bottom surface of a receiving tray 45 having a funnel shape in cross section and a bent bottom portion. Has been.
According to this configuration, a part of the glass beads as the spray material flowing down the spray material receiving tray 45 is sprayed on the marking line through the spray hole 45a.

  Therefore, glass beads are dispersed by the guide member 46 on the road marking line immediately after the scraping piece 10, and the road marking line which has been slightly cooled and increased in hardness through the spray hole 45a. Glass beads are sprayed on the surface. According to this, the distribution of the sinking of the glass beads with respect to the road marking line can be adjusted.

FIG. 7 is a schematic diagram showing a state of a cross section obtained by cutting a marking line constructed on the road surface GL by the construction apparatus in the vertical direction, and reference numeral 60 indicates a constructed road marking line. . In this embodiment, as described above, glass beads as a spraying material are also mixed in the heat-melted paint stored in the heat insulating pot 8.
The road marking line 60 thus constructed has the glass beads 61b indicated by hatching mixed in the heat insulating pot 8 dispersed throughout the road marking line 60, and is sprayed by the spraying device 35 near the surface layer of the marking line 60. The glass beads 61a shown in white are attached so as to sink.

  Therefore, according to the road marking line 60 constructed by the construction apparatus according to the present invention, the sprayed material spread by the spraying device 35 is dispersed so as to sink near the surface layer of the road marking line, thereby spreading near the surface layer. It is possible to reduce the degree of separation of the material from the marking line. Furthermore, since the spraying material is also mixed in the heat-melted paint to be applied, the spraying material is distributed from the lower layer to the upper layer of the applied marking line, and the visual effect can be maintained for a long time. It is possible to provide a unique road effect as described in the column of the effect of the invention described above, such as providing a road marking line that can be provided.

In addition, in the beginning of this specification, it describes about constructing a marking line having a relatively wide width such as a pedestrian crossing or a stop line. However, the construction apparatus according to the present invention includes the marking described above. Of course, the present invention can be used not only in the case of a line but also in the case of constructing a marking line having a relatively narrow width dimension such as an outer line or a center line.
Further, in the above-described embodiment, an example in which glass beads are used as the spraying material is shown, but a so-called special reflective element, aggregate, or the like may be used as the spraying material.

DESCRIPTION OF SYMBOLS 1 Bogie 2 Mounting base 2a Cylinder mounting base 3, 4 Axle 5 Front wheel 6 Rear wheel 8 Heated molten paint heat-retaining pot 9 Heated molten paint discharge port 10 Rub piece
DESCRIPTION OF SYMBOLS 10a Acute-angle rib 11 Slider 13a, 13b Scissor-like member 14 Movement handle 15 Locking rod 16 Fixing hook 16a Locking groove 17 Support shaft 18 Connecting rod 19 Release lever 20 Support shaft 22 Opening / closing lever 23a, 23b Link shaft 24 Interlocking shaft 25 Support shaft 26 Rub piece moving lever 31 Connecting member 32 Opening and closing port member 32a V-shaped groove 35 Spreading device 36 Spreading material hopper 37 Spreading material feed mechanism (drive wheel support plate)
38, 39 Feeding roller 40 Drive wheel 41 Drive wheel 45 Sprinkling material tray 45a Sprinkling hole 46 Sprinkling material guide member 50 First heat retaining burner 51 Combustion guide plate 52 Second heat retaining burner 54 Gas cylinder 60 Road marking line 61a Glass by spraying device Bead 61b Glass bead GL road surface

Claims (3)

And heating and melting paint insulation pot for accommodating the heating and melting paint to be construction in a road surface, a coating apparatus for applying a constant thickness of the heat-melted coating material is supplied to the road surface from the heated molten coating insulation kettle, applied to the road surface A road marking line construction device that is mounted on a carriage with a spraying device for spraying and adhering a spraying material on the heated molten paint,
In the heating melt coating application device, a heating melt coating discharge port formed in a slit shape in a direction perpendicular to the traveling direction of the carriage is formed, and the heating melt coating discharged from the discharge port is formed on the road surface. By rubbing against each other, a rubbing piece for applying the heat-melted coating material to a predetermined thickness is provided, and the spraying surface disposed on the back surface of the rubbing piece in the traveling direction of the carriage and the back surface of the rubbing piece. more forming a gap of the slit in the guide member of wood, by the slit-shaped gap, the distribution opening of the diffuser is formed, the diffuser is in contact therewith and back surface of the rubbing strip and the guide member, Guided immediately after the back side of the scrubbing piece by the spraying port, and configured to be sprayed on the heated molten paint applied to the road surface, a slit-shaped discharge port of the heated molten paint, and a slit Said scatter Mouth and is, road marking line construction apparatus characterized by being formed in parallel with each other so as to be perpendicular to the traveling direction of the carriage.   The road marking line construction apparatus according to claim 1, wherein a burner that heats the rubbing pieces and the spray material sprayed from the spray port by a combustion flame is disposed. The spraying material guide member that forms the spraying port for the spraying material is provided with a spraying material tray having an inclined bottom surface for supplying the spraying material, and the spraying material is disposed on the inclined bottom surface of the tray. Spray holes are formed,
The spray material is sprayed from the slit-shaped spray port by the rubbing pieces and the guide member of the spray material, and is formed on the inclined bottom surface of the saucer behind the spray port in the traveling direction of the carriage. The road marking line construction apparatus according to claim 1 or 2, wherein the sprayed material is sprayed through the spray holes.

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