JPH11350415A - Scattering system surface treatment work vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new scattering system surface treatment work vehicle to facilitate the construction of a scattering system surface treated layer which is simple, inexpensive and excellent in efficiency and riliability. SOLUTION: This scattering surface treatment work vehicle is provided with at least a binder scattering device and an aggregate scattering device which are equipped in the above order from the front side of a car in front of a car front wheel or between a front wheel and a rear wheel of the car or at the back of the rear wheel, and moreover equipped with a binder receiving port 26 for receiving the binder sent from the binder container unit 18 connected with its loading part 28 and/or an aggregate receiving port for receiving the aggregate sent from an aggregate container unit 27 and its mounting part 28.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spraying type surface treatment work vehicle, and more particularly to a method in which a binder and an aggregate are mounted in a container unit to perform the dispersion of the binder and the aggregate in a consistent manner. The present invention relates to a spray type surface treatment vehicle.

[0002]

2. Description of the Related Art As road pavement becomes available for traffic,
The road surface is gradually aged and deteriorated, and the road surface may be worn to cause unevenness, or the pavement surface may have cracks or the like. As a method for repairing such aged or deteriorated road pavement, conventionally, two surface treatment methods, mainly, a mixed surface treatment method and a spray surface treatment method, have been proposed.

[0003] Among them, the mixed type surface treatment method uses a bituminous material such as asphalt (hereinafter simply referred to as asphalt).
This is a method of repairing unevenness, cracks, and the like by transporting an asphalt mixture produced by mixing steel and aggregate in a plant to a construction site and laying it on an aged or deteriorated road surface. Since the asphalt mixture is laid on the road surface, it is basically a renewal of the pavement, and although it is a repairing method, it is a surface treatment method that requires substantially the same steps as the ordinary pavement building process.

[0004] On the other hand, the spraying surface treatment method is a simpler method, in which bituminous material such as asphalt is sprayed in a film form on an aged or deteriorated road surface, and then aggregate is simply applied thereon. This is a very simple construction method in which the aggregate is bonded to the road surface by bituminous material, and the layer is composed of, for example, bituminous material and a single-layer aggregate on the road surface. That is, in the spraying type surface treatment method, rather than laying an asphalt mixture, the aggregate is simply sprayed, and the sprayed aggregate is bonded to the road surface by a bituminous material acting as a binder, and the aggregate single layer Is to construct a surface treatment layer.

Conventionally, the spraying type surface treatment method is typically performed by a method as shown in FIG. 15, for example. That is, in FIG. 15, first, the road sweeper 102 advances in the direction of the arrow to clean the road surface 101 to be subjected to the surface treatment, and then the asphalt distributor 10 performs the cleaning.
3 advances, and asphalt as a bonding material is sprayed on the road surface 101. Subsequently, the truck 104 loaded with the aggregate
Moves the vehicle in the direction of the arrow, that is, as the vehicle moves backward, while tilting the carrier and spraying the aggregate on the asphalt layer from the rear. This is to prevent the tire of the truck 104 from stepping on the asphalt layer that has already been sprayed. When the tire of the truck 104 passes on the asphalt layer, the asphalt layer at that portion adheres to the tire of the truck and becomes thinner, which not only weakens the bonding force between the road surface and the aggregate, but also reduces the tire of the truck 104. This is because the attached asphalt causes a problem such as marking the asphalt on the road surface when the truck travels on another road as it is. Subsequently, the sprinkled aggregate is rolled by the roller 105, and the load sweeper 102 passes again to remove excess aggregate and the like from the processing layer surface, and the operation is completed.

Conventionally, as described above, asphalt spraying as a binder and aggregate spraying are performed using separate vehicles.
Since they were performed as separate steps, it was difficult to cooperate with each other, and there was a problem that the work efficiency was poor, for example, the aggregate could not be sprayed immediately after the binder was sprayed. Also, since the truck 104 on which the aggregate is mounted must travel in a reverse state, the truck 104
Meandering, the aggregate cannot be properly sprayed on the spread binder, or the aggregate is sprayed from a relatively high position of the truck 104, so that the dropped aggregate jumps on the road surface, or There was a problem that it rolled and scattered outside the planned spray width. Moreover, due to such poor work efficiency, the constructed spray-type surface treatment layer generally lacks uniformity and durability of the finished surface, and aggregates are scattered in a relatively short time after the traffic is opened, and the oncoming vehicle In many cases, problems such as splattering on windshields and other obstacles of traffic and splattering on roadside homes occur. In addition, the asphalt layer at the trace of the scattered aggregate causes a vehicle slip or a flash phenomenon in summer, which is not preferable. Due to these drawbacks, the spray-type surface treatment method has the advantage of being simple and relatively inexpensive, but on the other hand, lacks reliability and has not been used as a repair method so far. Was. In particular, the above-mentioned drawback of the spray-type surface treatment method, which is inferior in durability, is considered to be a structural defect of the spray-type surface treatment method itself, in which the spread aggregate is simply bonded to the road surface with a binder, and the cause thereof is as follows. At present, it was left without being investigated.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned various drawbacks of the conventional spray type surface treatment method and to take advantage of the inherent advantages of the spray type surface treatment method. It is another object of the present invention to provide a new spray-type surface treatment work vehicle that is simple, inexpensive, and enables a highly reliable spray-type surface treatment layer to be constructed efficiently.

[0008]

The inventor of the present invention has conducted research on a durable spraying type surface treatment method, and as a result, equipped a single working vehicle with a binder spraying device and an aggregate spraying device. In addition, by combining the binder and the aggregate into the work vehicle in the form of a container unit, a single work vehicle is moved forward, and the efficiency from the application of the binder to the application of the aggregate is consistently improved. The present invention has been completed by finding that a spray-type surface treatment layer having a uniform and durable property can be efficiently formed in a very short time in a good manner.

That is, according to the present invention, at least the binder dispersing device and the aggregate dispersing device are provided in this order from the front of the vehicle, in front of the vehicle front wheel, between the vehicle front wheel and rear wheel, or after the vehicle rear wheel. And a binder receiving port that connects to the mounting part of the binder container unit and the binder container unit to receive the bonding material from the binder container unit, and / or the mounting part of the aggregate container unit and the aggregate. The object is achieved by providing a spray-type surface treatment vehicle provided with an aggregate receiving port for receiving aggregate from a container unit.

In the present invention, since the dispersing device for the binder and the dispersing device for the aggregate are provided on one work vehicle in this order from the front of the vehicle, the work vehicle can be efficiently moved forward while moving forward. It is possible to spread the binder and the aggregate in this order on the road surface. The position of the binder dispersing device and the aggregate dispersing device in the working vehicle may be any position in front of the front wheel, between the front wheel and the rear wheel, or rearward of the rear wheel. It is sufficient that the vehicle wheels do not intervene between the apparatus and the aggregate dispersing device. Thus, in the spray type surface treatment work vehicle of the present invention, after the binder is sprayed, before the tire of the work vehicle passes over the sprayed binder,
Since the aggregate is sprayed, the tire of the work vehicle does not step on the sprayed binder. Therefore, the binder is not attached to the tire and becomes thinner, and the bonding force between the road surface and the aggregate is not weakened. Also, the other road surface is not stained by the binder attached to the tire. In addition, since the work can be performed while the work vehicle is moving forward, the work vehicle can be easily operated, and the work vehicle does not meander in the dark and the spray area fluctuates and the speed does not fluctuate irregularly. .

In the conventional spraying type surface treatment method, asphalt as a binder and aggregate are spread separately by using separate vehicles, so that the spread of the binder and the The time until the application of the aggregate was not constant, and therefore, the state of the binder layer at the time when the aggregate was applied was inevitable. In other words, bitumen such as asphalt used as a binder is in a state where the temperature and the like are constantly controlled inside the asphalt distributor before spraying, but once sprayed on the road surface, immediately thereafter. From that point, the temperature starts to evaporate, and the properties change every moment. Conventionally, the aggregate has been sprayed on the basis that the bitumen such as asphalt should be maintained in a liquid or softened state visually or the like. This is a method that is commonly used when paving an asphalt mixture after spraying a primer, etc., but the aggregate is sufficiently mixed in advance with bitumen such as asphalt, and the aggregate surface is covered with bituminous material. In the case of the spray-type surface treatment method, unlike in the case of the above-mentioned mixture, the aggregate comes into contact with the bituminous material only after being sprayed.
Therefore, the properties of the bituminous material at the time the aggregate is sprayed greatly affect the degree of adhesion between the aggregate and the bituminous material. If there is a variation, it is considered that the variation directly affects the degree of adhesion between the aggregate and the bituminous material, and thus affects the durability of the constructed surface treatment layer. Thus, the finding that the irregular variation of the time interval between the application of the binder and the application of the aggregate has a significant effect on the durability of the surface treatment layer to be constructed has been confirmed by the present inventors. This is the first finding.

[0012] With the work vehicle of the present invention, the dispersing device for the binder and the dispersing device for the aggregate are arranged in a single work vehicle, and the front wheels are arranged forward of the front wheels so that the work vehicle wheels are not interposed therebetween. Or, since it is mounted between the front wheel and the rear wheel or behind the rear wheel, by advancing one work vehicle in the forward direction, it is possible to consistently spray the binder and the aggregate. Is possible. The application of the aggregate is performed within a substantially fixed short time after the application of the binder, and preferably at an almost constant short time interval from the application of the binder, and as a result, a uniform and durable spray-type surface treatment layer is applied. Can be easily constructed. In order to make the time between the application of the binder and the application of the aggregate almost constant, if the distance between the binder application device and the aggregate application device is constant, the work vehicle should be advanced at a constant speed. Also, when the speed of the work vehicle changes, the distance between the binder spraying device and the aggregate sprayer may be changed according to the speed of the work vehicle, or the binder sprayer may be configured. The spraying direction of the binder spray nozzle may be changed. By using the work vehicle of the present invention, the properties of the binder at the time when the aggregate is sprayed can be kept substantially constant, and the degree of adhesion between the binder and the aggregate is also substantially constant. As a result, it is possible to construct a uniform and durable spray-type surface treatment layer. The work vehicle may be a wheel type or a crawler type. In the case of crawler type, when the crawler is separated in front and rear of the vehicle, the front wheel of the vehicle refers to the front crawler, and the rear wheel of the vehicle refers to the rear crawler, when there is only a single crawler , The front wheel of the vehicle refers to the end of the crawler on the vehicle front side, and the rear wheel refers to the end of the crawler on the rear side of the vehicle.

In the working vehicle of the present invention, the binder and / or
Another major feature is that the aggregate is packed in a container, unitized, and mounted on a work vehicle. By making the binder and aggregate into a container unit, for example, in a factory or the like, each container unit is filled with the necessary binder or aggregate and prepared, and at the time of construction, the construction site is transported by any transportation means. Construction is possible only by carrying in and mounting the work vehicle of the present invention. Neither special binder supply vehicles nor aggregate supply vehicles are required, which not only makes it possible to reduce the number of construction vehicles required for construction, but also because the necessary materials are unitized, handling is easy. In addition, it is possible to quickly respond to changes in the types of binders and aggregates. The filling of the binder or aggregate into the container unit may be performed at the construction site, and even in this case, the binder supplying vehicle or the aggregate supplying vehicle is released when the container unit has been filled and the construction is completed. It is possible to leave the site, and it is possible to increase the use efficiency of the binder supply vehicle or the aggregate supply vehicle.

The binder container unit is provided with a binder discharge port which can be connected to a binder receiving port of the work vehicle. Preferably, the binder unit has a heating means for keeping or heating the internal binder, and an internal binder. Is provided with a stirring means.
The energy source of the heat generating means and the stirring means is covered by, for example, electric power, and is supplied with power from a vehicle for transporting the container unit and a generator mounted on the working vehicle of the present invention, and drives the heat generating means and the stirring means. This makes it possible to always keep the binder inside the container unit in a constant controlled state.

The aggregate container unit has an aggregate discharge port provided with an openable and closable door which can be connected to an aggregate receiving port provided in the work vehicle. The outlet is opened in a state where the aggregate container unit is mounted on a predetermined mounting portion of the work vehicle, and supplies the aggregate inside the container unit to the aggregate spraying device. The aggregate outlet is
Usually, it is preferable to provide an aggregate receiving port having the same size as an aggregate receiving port provided in the work vehicle, provided at a lower portion of the aggregate container unit and at an upper portion of the aggregate container unit.
By doing so, the required number of aggregate container units can be stacked vertically, and by opening the aggregate outlet at the bottom of each container unit, the aggregate container unit in the uppermost container unit is opened. The aggregate naturally falls into the aggregate receiving port of the work vehicle. It is desirable that the aggregate container unit be provided with a heat generating means for heating and keeping the internal aggregate, and a vibration imparting means for smoothing the discharge of the aggregate. The energy sources of these heat generating means and vibration means are covered by, for example, electric power, and are supplied with electric power from a vehicle that transports the container unit and a generator mounted on the working vehicle of the present invention,
Aggregate inside the container unit is always maintained at a constant temperature or vibration is applied to the aggregate to ensure smooth discharge of the aggregate. Needless to say, the aggregate receiving port of the work vehicle communicates with the aggregate dispersing device.

It is also possible to make only one of the binder and the aggregate into a container unit.
Only the aggregate may be made into a container unit, and the binder may be provided with a binder tank at a place where the container unit of the binder is placed, and the binder may be supplied to the binder tank from an appropriate binder supply vehicle. . Conversely, in the case where only the binder is made into a container unit, an aggregate tank is provided on the mounting portion of the aggregate container unit, and the aggregate is supplied to the aggregate tank from an appropriate aggregate supply vehicle. What should I do? Alternatively, the aggregate may be supplied directly to the aggregate receiving port of the work vehicle without providing an aggregate tank or the like. In this case, an empty aggregate container unit may be supplied to the aggregate receiving port of the work vehicle. It is preferable to increase the amount of aggregate that can be connected and temporarily stored.
The aggregate container unit used for such a purpose does not require an openable and closable door for the aggregate outlet. The supply of the aggregate to the aggregate receiving port of the working vehicle or the aggregate receiving port of the aggregate container unit connected thereto is performed by breaking the bag of the packed aggregate or by the chuck provided in the bag. It is also possible to carry out by opening the string or the like and pouring appropriately.

The aggregate dispersing device mounted on a work vehicle according to the present invention is, for example, an aggregate discharge port capable of freely adjusting an opening length in a work vehicle width direction and an opening length in a direction orthogonal to the work vehicle width direction. Is an aggregate bin having the following. The opening length of the aggregate outlet in the direction orthogonal to the width direction of the work vehicle is adjusted by, for example, an opening / closing door for adjusting the amount of aggregate spraying that moves in the direction orthogonal to the width direction of the work vehicle. The opening length in the vehicle width direction is adjusted, for example, by an opening / closing door for adjusting the aggregate dispersion width having a straight or curved cutout that moves or rotates in a direction orthogonal to the width direction of the work vehicle. Thus, by providing the opening / closing door for adjusting the amount of aggregate sprayed, the amount of aggregate sprayed from the aggregate bin to the road surface can be appropriately changed according to the type of aggregate, work conditions, and the like. For example, even when the speed of the work vehicle changes, it becomes possible to always spray a certain amount of aggregate on the road surface in conjunction with the speed of the work vehicle. In addition, by providing the opening / closing door for adjusting the aggregate scatter width, the scatter width of the aggregate can be appropriately changed, and the appropriate aggregate scatter can be performed according to the construction road surface width.

The aggregate bin mounted on the work vehicle of the present invention is desirably provided with a means, for example, a screw conveyor or the like, for homogenizing the introduced aggregate in the width direction of the work vehicle. After the aggregate is sufficiently homogenized in the width direction of the working vehicle in the aggregate bin, the aggregate can be more uniformly dispersed by spraying the aggregate from the aggregate discharge port onto the road surface.

The aggregate bin mounted on the working vehicle of the present invention is:
Since it has an aggregate outlet in the vicinity of the road surface, it is possible to spray the aggregate from a relatively low position, which is different from the conventional case where the aggregate is sprayed from a high position on a dump truck. Thus, there is no danger that the dispersed aggregate will scatter or roll and scatter outside the construction width.

The bonding material spraying device includes a bonding material spray bar extending in the width direction of the working vehicle, and a plurality of bonding material spray nozzles attached to the bonding material spray bar. Pumping means such as a pump for pumping the binder to the binder spray bar. A plurality of spray nozzles are located substantially linearly in the width direction of the work vehicle, and the spraying width of the binder can be appropriately changed by opening and closing a valve provided for each spray nozzle. Also, the amount of the binder to be sprayed can be changed by slowing down the rotation speed of the pressure pump or adjusting the opening degree of the valve provided in each spray nozzle, but is preferably more than the spray bar. It is preferable to provide a separate valve upstream and adjust the opening degree of the valve.

In the work vehicle according to the present invention, since the dispersing device for the binder and the dispersing device for the aggregate are mounted on a single vehicle, the dispersing amount and the dispersing width of the binder and the aggregate are related to each other. It is easy to change and control in a unified manner.

Further, the work vehicle of the present invention may be provided with a tank for the auxiliary material, and a spray nozzle for the auxiliary material may be provided in proximity to the spray nozzle for the binder. Instead of separately providing the spray nozzle for the binder and the spray nozzle for the auxiliary material, for example, a multi-head gun nozzle or the like may be provided as a device capable of simultaneously spraying the binder and the auxiliary material. The auxiliary material is sprayed as necessary, mixed with the binder, and used for the purpose of accelerating solidification of the binder, for example.

Further, the work vehicle of the present invention may be equipped with a water and / or primer spraying device, and first spray water or a primer on a road surface, and then spray a binder. In addition, by installing a heating means behind the vehicle of the aggregate spraying device and heating the road surface immediately after aggregate spraying, it is possible to accelerate the decomposition of the binder and build a stronger surface treatment layer in a short time It is.

Further, the work vehicle of the present invention is equipped with one or two or more binder dispersing devices and aggregate dispersing devices, respectively. It is also possible to spray the aggregate once or twice or more, respectively. In that case, the number of times of application of the binder and the aggregate may be the same or different, and the binder and the aggregate to be applied may be different in type, particle size, amount of application, etc. for each application. Good or the same.

Hereinafter, the spray type surface treatment vehicle of the present invention will be described with reference to the drawings, but it is needless to say that the present invention is not limited to those shown in the drawings.

[0026]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an explanatory view showing an example of a spray type surface treatment work vehicle of the present invention. In FIG. 1, reference numeral 1 denotes a spray type surface treatment work vehicle of the present invention. In
A binder spray nozzle 2 as a binder spraying device;
An aggregate bin 3 as an aggregate dispersing device is provided between a front wheel 4a and a rear wheel 4b of the work vehicle 1 in this order from the front of the work vehicle 1. As described later, the positions of the binder spray nozzle 2 and the aggregate bin 3 are not limited to those shown in FIG.

As shown in FIG. 2, for example, the spray nozzle 2 is provided with a spray bar 5 provided in the width direction of the working vehicle 1.
Are provided in the width direction of the work vehicle 1.
Each of the spray nozzles 2a, 2b,... Is provided with a valve 6a, 6b,.
By opening and closing 6b,...
The injection of the binder from a, 2b,... can be started or stopped. In the example of FIG. 2, the valve 6a provided in the spray nozzle 2a ₁ to 2A region ₄ of the left half in FIG. 2
_{1 ~6a 4} is connected to the operating punch 7, in accordance with the operation of the air cylinder 8, and simultaneously so as to perform opening or closing operation. On the other hand, the spray nozzles 2b, 2c,.
The operations b, 6c,... can be individually and independently controlled by air pressure. The means for driving the cylinders and valves is not limited to air only, and other means such as hydraulic pressure or electromagnetic force may be used. Since such configuration, for example, by manipulating the control panel installed in the driver's seat of the working vehicle 1, or according to a predetermined program, it actuates the air cylinder 8, the valve 6a ₁ ～6A ₄ simultaneously open, it may be sprayed with a binder in a portion of a predetermined width of road surface from the spray nozzle 2a ₁ to 2A region _4. The spray width is displayed on the control panel in real time. To increase the spraying width, only the necessary valves 6b or 6f may be operated by air pressure to spray the binder from the spray nozzles 2b or 2f. In the case of this figure, the spray nozzle 2 located in the left half of the work vehicle 1
a ₁ to 2A region ₄ has been so as to opening and closing operations collectively, may also be capable of opening and closing all of the spray nozzle 2a ₁ ~2f individually, by changing the number of spray nozzles opened and closed in unison Is also good. In the illustrated example, a valve that operates by air pressure is shown, but a valve that operates electromagnetically may be used. The amount of the binder sprayed from the individual spray nozzles may be adjusted by adjusting the opening degree of the valve 6, but the rotation speed of the pumping pump located upstream of the spray bar 5 is slowed or the upstream speed is reduced. It is preferable that another means such as a valve is provided separately, and the adjustment is made according to the degree of opening of the valve.

On the other hand, the aggregate bin 3 has, for example, a shape as shown in FIG. 3, and has an upper opening 10 continuous with the aggregate receiving port 9 of the working vehicle 1. Reference numeral 11 denotes an aggregate-spreading amount adjusting door, and 12 denotes an operation lever for adjusting the opening degree of the aggregate discharge port 14 in cooperation with an aggregate-spreading width adjusting door indicated by reference numeral 13. Reference numeral 15 denotes an aggregate discharge roll as an aggregate discharge means. Numeral 16 denotes a vibration imparting device, which imparts an appropriate vibration to the aggregate bin, thereby making the distribution of the aggregate uniform, preventing the aggregate from agglomerating, and smoothing the discharge of the aggregate. it can.

Next, referring to FIGS. 4 and 5, the functions of the aggregate-spraying-amount adjusting door 11, the aggregate-spreading-width adjusting door 13, and the aggregate discharging roll 15 will be described. The aggregate spraying amount adjusting door 11 is, for example, operated by a rack and pinion mechanism.
Can move up and down in accordance with the operation of (1), and adjusts the length of the aggregate discharge port 14 in the direction orthogonal to the width direction of the work vehicle 1. The degree of opening and closing of the aggregate spraying amount adjusting door 11 can also be adjusted from the driver's seat of the work vehicle 1 by operating a panel or driving a driving unit (not shown) according to a predetermined program. The basic amount of the aggregate discharged from the aggregate discharge port 14 is determined by the degree of opening and closing of the aggregate spray amount control door 11.

On the other hand, the aggregate dispersion width adjusting door 13 has a cylindrical shape in the illustrated example, and a part of the cylindrical shape is cut out, for example, in a straight line. Therefore, by rotating the aggregate-spreading width adjusting door 13, the opening length of the aggregate discharge port 14 in the width direction of the work vehicle 1 is changed, and the aggregate-spreading width is adjusted. The rotation angle of the aggregate spraying width adjusting door 13 can be manually adjusted by operating a lever (not shown), and, like the aggregate spraying amount adjusting door 11, the panel from the driver's seat of the work vehicle 1 can be adjusted. It can be adjusted by operation or by driving the driving means according to a predetermined program. Also, if an angle scale indicating the rotation position or an aggregate scatter width scale indicating the rotational position converted to the aggregate scatter width is provided on the side surface of the aggregate scatter width adjusting door 13, the aggregate of the aggregate at that time is provided. It is convenient to know the spray width. The aggregate spraying width adjusting door 13 is not limited to a cylindrical one, and may be, for example, as shown in FIG.
As shown in the figure, an aggregate scatter width adjusting door 13 in which a plate-shaped thing is cut out with a straight line, for example, may be used. It will move up and down in parallel with the spray amount adjustment door 11. The cutout of the aggregate spreading width adjusting door 13 is not limited to a straight line, but may be an appropriate curve. Reference numeral 17 in FIG. 4 denotes a screw conveyor for uniforming the distribution of the aggregate in the work bin width direction in the aggregate bin 3.

The discharge and dispersion of the aggregate from the aggregate bin 3 are basically performed by the above-described aggregate-spray-amount control door 11 and the aggregate-spread width-adjustment door 1.
For example, if it is desired to perform finer aggregate discharge control in accordance with the traveling speed of the work vehicle 1, for example, an aggregate discharge means such as an aggregate discharge roll 15 is used. Is desirably provided. The aggregate discharge roll 15 has a surface made of rubber, synthetic resin, metal, or the like, and continuously rotates the aggregate from the aggregate discharge port by rotating in the arrow direction shown in FIG. 4 or FIG. Is to spray. The surface of the aggregate discharge roll may be covered with a net cloth made of rubber, synthetic resin, metal or the like. By changing the rotation speed of the aggregate discharge roll 15, the discharge speed of the aggregate can be adjusted. The rotation speed of the aggregate discharge roll 15 can be changed according to, for example, the speed of the work vehicle 1. For example, a fixed amount of aggregate can always be sprayed on the road surface regardless of the speed of the work vehicle 1. Although the aggregate discharge roll 15 has a circular cross section in FIGS. 4 and 5, it may have an oval or polygonal cross section. Further, the present invention is not limited to the roll-shaped one as shown in the figure, but may be a belt conveyor type.

The aggregate outlet 14 is at a distance of at most 50 from the road surface.
cm or less, preferably 30 cm or less, more preferably 2 cm or less.
0 cm or less, and the aggregate is discharged to the aggregate outlet 1
Even when spraying from 4 on the road surface, the aggregates bounce on the road surface,
There is no risk of splattering or rolling and splattering outside the construction width. It is also possible to provide the entire aggregate bin 3 so as to be movable up and down. The aggregate bin 3 is provided with a heating means (not shown) so that the aggregate therein can be heated or kept warm as needed.

In FIG. 1, reference numeral 18 denotes a binder container unit. The binder container unit 18 has, for example, a shape as shown in FIG.
9 and 19, and heaters 20 and 20. 2
1 is a binder outlet, 22 is a binder inlet, 23
Is air vent. The binder material container unit 18 is provided with wheels and is carried, for example, manually, and is mounted on the mounting portion 25 on the work vehicle 1 by the lifting / lowering carrier 24 attached to the work vehicle. It goes without saying that the binder container unit 18 may be separately mounted on the mounting portion 25 of the work vehicle 1 by a crane or the like (not shown). Binder container unit 1
After the mounting of 8, the connection between the binder discharge port 21 and the binder receiving port 26 of the work vehicle 1 is made, and at the same time, the connection of an electric system (not shown) is made. Temperature and the like are kept constant. After the connection is completed, the binder in the binder container unit 18 is pressure-fed toward the binder spray bar 5 by a binder transport pump (not shown). By changing the rotation speed of the binder transport pump in accordance with the speed of the work vehicle 1, it is possible to always spray a predetermined amount of the binder even when the speed of the work vehicle 1 changes. is there.

In the working vehicle 1, appropriate heating and heat retaining means (not shown) such as an oil heater or hot air, including the spray bar 5, the valve 6, and the spray nozzle 2, are provided in the pipe portion where the binder stays or passes. A supply unit is provided to keep the binder at a constant temperature so as to maintain a predetermined property until the binder is sprayed from the spray nozzle 2. Further, since the spray nozzle 2 and other pipes are also provided with heating or heat retaining means as described above, the remaining binder is solidified in the middle of the pipes and in the spray nozzle 2 to form the spray nozzle 2 and other pipes. There is no risk of clogging the pipeline.

In FIG. 1, reference numeral 27 denotes an aggregate container unit. The aggregate container unit 27 is, as shown in FIG.
When it is mounted on the aggregate 8, it has an aggregate outlet 29 that can be connected to the aggregate receiving port 9. The upper opening of the aggregate container unit 27 has the same size as the aggregate receiving port 9 of the work vehicle 1, and when stacked in multiple stages, receives the aggregate from the upper aggregate container unit. Functions as an entrance. It is desirable that at least a part of the side surface of the aggregate container unit 27 is made of transparent hard glass or hard plastic, and the scale indicated by reference numeral 30 is attached to the side surface so that the remaining amount of the aggregate can be visually checked. It is convenient. Reference numeral 31 denotes an opening / closing lever of the opening / closing door of the aggregate discharge port 29, and reference numeral 32 denotes a stopper thereof. In addition, 4
2 is an auxiliary material tank and 45 is a water or primer tank, which will be described later.

The structure of the aggregate container unit 27 will be described in more detail with reference to FIGS. FIG. 9 is a cross-sectional view of the aggregate container unit 27.
Only 31 and stoppers 32, 32 have been added to the cross-sectional view for convenience of explanation. In FIG. 9, the open / close levers 31, 3
1 is a rotating shaft 33 penetrating the aggregate container unit 27,
33, the rotation of which is stopped by the stopper 3
2 and 32. Locking pieces 34, 34 are attached to the rotating shafts 33, 33.
Reference numerals 4 and 34 denote locking portions at the distal ends thereof, which lock the doors 35 and 35 rotatably mounted around the rotating shafts 36 and 36, and maintain the doors 35 and 35 in a closed state. Have been. Now, from the state of the solid line in FIG.
Is rotated in the direction of the arrow to release the regulation of the opening / closing levers 31, 31, and when the opening / closing levers 31, 31 are rotated in the direction of the arrow to the position indicated by the dotted line, the rotating shafts 33, 33 are also rotated. The stop pieces 34, 34 also move to the dotted line positions, and the locking of the doors 35, 35 is released. When the aggregate is filled in the aggregate container unit 27, the open / close doors 35, 35 are largely rotated to the dotted lines by the weight of the aggregate, and the aggregate discharge port 29 is opened. Become. In addition,
Reference numeral 37 denotes a hood for preventing the aggregate from spilling from the central portion and for preventing the rotating shafts 33, 33 from being pressed by the weight of the aggregate. Although not shown in the drawing, the aggregate container unit 27 is provided with appropriate heating and heat retaining means, and heats or keeps the aggregate as required by energy such as a power supply mounted on a work vehicle. You can do it.

FIG. 10 is a partially cutaway perspective view of the aggregate container unit 27, and the same components as those in FIG. 9 are denoted by the same reference numerals. The positional relationship between the door 35 and the hood 37 is better understood. A partition plate indicated by reference numeral 38 may be attached to the aggregate container unit 27 for the purpose of reinforcement or the like, if necessary.

The aggregate container unit 27 is mounted on the mounting portion of the work vehicle 1 using a crane or the like. Work vehicle 1
It is a matter of course that a crane means may be provided for the vehicle. The aggregate container unit 27 of the present invention is usually used by being stacked in two or more stages. As a result, the thickness of each aggregate container unit 27 is conservative, the amount of aggregate is reduced, the weight per aggregate container unit is reduced,
Transport can be easily performed. Further, in order to prevent the aggregate container units 27 stacked in multiple stages from falling over during the work, the work vehicle 1 is provided with the structure shown in FIG.
As shown in FIG.
It is desirable to provide 9, 39. Since the fixing frames 39 and 39 are detachable, they do not hinder the mounting of the aggregate container unit 27.

In FIG. 1, reference numeral 40 denotes an auxiliary material spray nozzle which is an auxiliary material spraying device.
A plurality of work vehicles 1 are provided in the width direction. The position of the auxiliary material spray nozzle 40 is the same as the binder spray nozzle 2.
Although it may be behind the work vehicle, or ahead of the work vehicle with respect to the binder spray nozzle 2, it is necessary to be close to the binder spray nozzle 2. Material spray nozzle 40 is spray nozzle 2
The auxiliary material sprayed from the auxiliary material spray nozzle 40 may be provided at an angle such that the bonding material sprayed from the nozzle and the auxiliary material sprayed from the auxiliary material spray nozzle 40 are mixed in the air. Alternatively, a spray nozzle of a multi-headed gun capable of simultaneously spraying a plurality of materials may be used, or the mixture may be sprayed after mixing the binder and the auxiliary material immediately before spraying from the spray nozzle. As described above, it is desirable that the auxiliary material is sprayed at the same time as the binder, but if the mixing is performed very quickly, the auxiliary material may be sprayed immediately before or immediately after the binder is sprayed.

The width of spraying of the auxiliary material from the auxiliary material spray nozzle 40 can be adjusted by opening and closing a valve provided on each of the auxiliary material spray nozzles 40, and the amount of spraying can be adjusted for each auxiliary material spray nozzle. By adjusting the opening degree of the valve provided in the material spray nozzle 40, or by adjusting the opening degree of another valve provided in the middle of the pipeline upstream of the auxiliary material spray bar 41,
Further, it can be changed by adjusting the rotation speed of a pressure pump (not shown) provided in the middle of the pipeline upstream of the auxiliary material spray bar 41, but usually, the auxiliary material is always a binder. It is preferable that the spray amount and the spray width of the auxiliary material from the spray nozzle 40 for the auxiliary material be changed in conjunction with the spray amount and the spray width of the binder.

In FIG. 1, reference numeral 42 denotes an auxiliary material tank. The auxiliary material is supplied from the auxiliary material tank 42 by a pumping means such as a pump (not shown).
0 is supplied. Needless to say, the auxiliary material tank 42 and the pipeline of the auxiliary material can be provided with appropriate heating or heat retaining means as needed. In addition, the auxiliary material is used for adjusting the properties of the binder, for example,
Examples include binder solidification accelerators and decomposition accelerators,
It is not limited only to these.

In FIG. 1, 43 is a nozzle for spraying water or primer, and 44 is a spray bar for spraying the water or primer on the road surface before spraying the binder.
Water, for example, when asphalt emulsion is used as a binder, is sprayed to enhance the adhesion and conformability between the asphalt emulsion and the road surface, and also has the effect of lowering the elevated road surface temperature in summer. On the other hand, the primer is used, for example, when using heated asphalt as a binder, and has the effect of enhancing the adhesion and conformability between the heated asphalt and the road surface. These waters or primers
In FIG. 1, it is stored in a dedicated tank 45 (not shown) behind the auxiliary material tank 42 and is appropriately selected and used.
For the arrangement of the water or primer tank 45, see FIG.

In FIG. 1, reference numeral 46 denotes a heating device, which heats the road surface after the aggregate has been scattered.
The decomposition or solidification of the binder is accelerated, and a stronger surface treatment layer can be constructed in a short time. Reference numeral 47 denotes an operation step, and reference numeral 48 denotes an energy source for heating, such as a propane gas cylinder, a heavy oil tank, and a generator.

The spray type surface treatment layer by the spray type surface treatment work vehicle of the present invention is constructed, for example, as shown in FIG. That is, the road surface 1 is
01, if necessary, water or primer 49 is first sprayed from the nozzle 44 while the working vehicle 1 of the present invention equipped with the binder container unit and the aggregate container unit is advanced in the forward direction. Then, the binder 50 is sprayed from the binder spray nozzle 2. At the same time, the auxiliary material 51 is sprayed from the auxiliary material spray nozzle 40 and mixed with the binder 50 in the air, and the binder 5 is placed on the road surface 101.
A layer of a mixture of 0 and the auxiliary material 51 is formed in a film shape. Subsequently, on the layer of the mixture of the binder 50 and the auxiliary material 51, the aggregate 52 is sprayed from the aggregate bin 3 into one layer.

Here, it is important that the spray nozzle 2 for spraying the binder 50 and the aggregate bin 3 for spraying the aggregate 52 are mounted on the same work vehicle 1. Since the spray nozzle 2 and the aggregate bin 3 are mounted on the same vehicle, the distance between the spray nozzle 2 and the aggregate bin 3 is usually constant, and as long as the work vehicle 1 moves forward at a constant speed, the aggregate 50 is dispersed after the binder 50 is sprayed. The time until 52 is sprayed is constant. for that reason,
The properties of the binder 50 immediately before the aggregate 52 is sprayed are constant, and uniform and reliable adhesion between the binder 50 and the aggregate 52 is realized. The time from the application of the binder 50 to the application of the aggregate 52 is within a certain time, preferably within a short time, more preferably within a certain short time and as long as it is constant, in a matter of seconds. Although it may be possible, considering the working efficiency, it is usually within 10 seconds, preferably within 6 seconds, more preferably within 3 seconds. It goes without saying that the optimum time is appropriately determined according to the degree of damage to the road surface, the line shape at the site, and the like.

Examples of the binder include bituminous materials and other materials capable of bonding the road surface and the aggregate, including those used in the conventional spray type surface treatment method.
Any material can be used. Typically, a modified heated asphalt or a modified asphalt emulsion is used, but the invention is not limited to these. The amount of the binder to be sprayed may be the same as that in the conventional spray-type surface treatment method, but is typically 0.5 to 2.5 (l / m ² ).
Degree, and preferably about 0.7 to 1.5 (l / m ² ). The aggregate to be used is not particularly limited as long as it can be used for the spraying surface treatment method, and any aggregate may be used, but the particle size is desirably a single particle size.

In the above example, the distance between the spray nozzle 2 and the aggregate bin 3 is kept constant and the work vehicle 1 is moved forward at a constant speed. However, it is difficult to keep the speed of the work vehicle 1 constant. In such a case, the distance between the spray nozzle 2 and the aggregate bin 3 may be changed in accordance with the speed of the work vehicle 1 by, for example, movably providing the spray nozzle 2 for the binder. That is, when the speed of the work vehicle 1 is reduced, the distance between the spray nozzle 2 and the aggregate bin 3 is reduced, and conversely,
When the speed of the work vehicle 1 is increased, the distance between the spray nozzle 2 and the aggregate bin 3 is increased, and the time from the application of the binder 50 to the application of the aggregate 52 is always kept constant. Can be. Alternatively, the angle of the spray nozzle 2 with respect to the road surface may be changed according to the speed of the work vehicle 1. In addition, when the time from the application of the binder to the application of the aggregate is within a predetermined time, the speed of the work vehicle may slightly vary.

The amount of water or primer, binders, auxiliary materials and aggregates to be sprayed can be controlled collectively on a control panel provided in the driver's seat of the working vehicle 1, for example. It can be appropriately set and changed according to the temperature, the type of the binder and the auxiliary material, the type of the aggregate, and the particle size. In addition, it is also possible to automatically control the value once set. For example, when the speed of the work vehicle changes, the vehicle speed of the work vehicle is detected, and a constant The application amount is varied so that the binder, auxiliary material, or aggregate is applied.

Further, the spray width can be changed at any time.
Specify the spray width on the control panel, or
It is also possible to use a control box as shown in FIG. That is, in FIG.
3a, 53b,... Correspond to the individual sections of the scatter width, and the respective operation keys become effective when rotated by a predetermined angle from the position shown in FIG. Spraying will begin. Which of the operation keys is valid is determined by using the fact that the operation keys 53a, 53b, ... have different lengths, by moving the spray width control bar 54 to an appropriate position indicated by the arrow direction, This is done by engaging a selected actuation key. Reference numeral 55 denotes a scatter width control pin, which is a pin for fixing the scatter width control bar 54.
When the selection of the operation key is completed, by pulling the start lever 56 toward the brake lever 57, the operation keys that are engaged with the spray width control bar 54 are simultaneously rotated and activated, and the selected operation key is activated. Spreading is started for the corresponding spray width. To stop the spraying, the brake lever 57 is tilted toward the start lever 56, and the operation key is turned back to the original state.

The spraying amount, spraying width, and the working state of the work vehicle are monitored on a control panel in real time, and are appropriately stored or recorded. In the working vehicle 1 of the present invention, water or the primer 49 is sprayed, the bonding material 50 and the auxiliary material 51 are sprayed, and the aggregate is sprayed so that the bonding material 50 and the aggregate 52 are sprayed to the construction site without any excess or shortage. The spraying of 52 is started with a predetermined time difference according to the speed of the work vehicle 1, and is ended with a predetermined time difference.

Further, in the example of FIG. 11, the row of the plurality of binder spray nozzles 2 attached to the binder spray bar 5 is one row and the aggregate bin 3 is one. The number of rows and aggregate bins 3 is not limited to one, and two or more may be provided. For example, one row of the binder spray nozzles 2 and one of the aggregate bins 3 are provided as a set, and two or more such sets are provided, and a plurality of layers are constructed at once by passing the work vehicle once. You can also. In that case, a plurality of aggregate receiving ports on the work vehicle 1 may be provided corresponding to the individual aggregate bins 3, and different aggregate container units may be connected to the respective aggregate receiving ports. The aggregate flow may be split from a single aggregate receiving port to supply the aggregate to a plurality of aggregate bins. The same applies to the case of the binder, and a plurality of binder container units may be mounted on the work vehicle 1 to supply a different binder to each of the binder spray bars. The binder may be supplied to a plurality of spray bars from one binder container unit. In addition, spray nozzle 2
The number of rows and the number of aggregate bins 3 are not necessarily the same. For one row of the spray nozzles 2, two or more aggregate bins 3 are provided, and on a single binder layer, For example, two or more types of aggregates having different particle sizes may be sprayed,
Conversely, two or more rows of spray nozzles 2 may be provided for one aggregate bin 3 to spray a large amount of various kinds of binder. As described above, when the work vehicle of the present invention is used, various kinds of binders and aggregates are changed once or twice or more on the road surface 101 by changing the type, particle size, spray amount, etc. by passing the work vehicle once. It can be sprayed, and a desired spray type surface treatment layer can be constructed at once. Further, it is not always necessary to always use all of the rows of the plurality of spray nozzles 2 and the aggregate bins 3 provided, and only the necessary one of them may be used. In the above case, 1
The binder, auxiliary material, and aggregate that are sprayed twice or more times may have the same type, particle size, amount of spraying, or the like, or may be different from each other.

FIG. 13 is a view showing another example of the spray type surface treatment work vehicle of the present invention, in which the same components as those in FIG. 1 are denoted by the same reference numerals. The difference from the example of FIG. 1 is the position of the spray nozzle 2 as the binder dispersing device and the position of the aggregate bin 3 as the aggregate dispersing device. In the example of FIG. The aggregate dispersing device is located behind the rear wheel 4b of the work vehicle 1. Aggregate from the aggregate container unit 27 is supplied to the aggregate bin 3 through an oblique passage 58. In addition, 59 is a pump for transporting the binder.

FIG. 14 is a view showing still another example of the spray type surface treatment vehicle of the present invention, and the same reference numerals are given to the same parts as those in FIGS. 1 and 13. The difference from the examples of FIGS. 1 and 13 is that, in the work vehicle of FIG. 14, the device for dispersing the binder and the device for dispersing the aggregate are located before the front wheel 4 a of the work vehicle 1. As a result, the mounting portion of the aggregate container unit 27 is located at the front of the work vehicle 1, and the binder container unit 1
The mounting portion 8 is located at the rear of the work vehicle 1. FIG.
In the example of the above, the aggregate container unit 27 functions as an extension of the aggregate receiving port 9 of the work vehicle 1, and carries in the bagged aggregate as needed and opens the bag. Aggregate is supplied to the aggregate bin 3 by supplying only the aggregate from the aggregate receiving port at the upper portion of the aggregate 27.

The spraying type surface treatment vehicle of the present invention comprises:
It is mainly used for repairing existing pavements, but is not limited to repairing.For example, using color aggregates,
To build a colored surface layer on existing or new pavement, or to build a light-reflective surface layer on existing or new pavement using light-reflective aggregates. Can also be used. ADVANTAGE OF THE INVENTION According to the spray type surface treatment vehicle of this invention, the surface layer which consists of a binder and an aggregate can be constructed | assembled continuously and efficiently by simple work at low cost.

Hereinafter, the present invention will be further described with reference to Examples and Comparative Examples.

(Example 1) Using the work vehicle of the present invention shown in FIG. 1, a binder container unit and an aggregate container unit are respectively mounted at predetermined positions, and a spraying type surface treatment method is performed while moving the work vehicle forward. Carried out. Prior to construction, the road surface was cleaned with a road sweeper, and then the working vehicle of the present invention was advanced at a constant speed of 30 m / min. Since the distance between the binder spray nozzle and the aggregate bin was 1 m,
The time from the application of the binder to the application of the aggregate was about 2 seconds. After the binder supply vehicle, rolling was performed using an iron wheel roller and a tire roller in combination, and finally the floating stone was removed by a road sweeper. Road surface temperature during construction is 8
° C and the air temperature was 14 ° C.

The materials used are as follows. <Binder> Binder: Gumphalt S (heated asphalt, manufactured by Nichireki Co., Ltd.) Spraying temperature: 160 ° C. Spraying amount: 0.97 (l / m ² ) <Aggregate> Aggregate: No. 6 crushed stone (Kuzu, Tochigi Prefecture) Production) Spraying temperature: 150 ° C Spraying amount: 0.01 (m ³ / m ² ) <Auxiliary material> None <Primer> None

Table 1 shows the properties of the binder used.

[0059]

[Table 1]

(Embodiment 2) The same working vehicle is used, except that
With the distance between the binder supply spray nozzle and the aggregate bin kept constant, the advance speed is changed in various ways, and the time from the application of the binder to the application of the aggregate is within about 10 seconds. And within a certain time, except that it is changed randomly during that time, in the same manner as in Example 1,
A surface treatment layer was constructed on a road surface continuous with that of Example 1.

(Comparative Example 1) According to the procedure of the conventional method shown in FIG. 15, after asphalt was sprayed with an asphalt distributor, a dump truck, which is an aggregate sprayer, was moved backward, and the binder was sprayed. Except that the time until the material was sprayed was changed randomly from about 1 minute to about 3 minutes, using the same material as in Example 1 and continuing in the same manner as in Example 2 A surface treatment layer was constructed on the road surface. Even at the longest time interval, the binder remained liquid as long as it was visually inspected and the feeling of the driver or spatula was examined.

After curing one day and night, a heavy load is loaded on a large test vehicle, and the surface treatment layer constructed by the above-described Examples 1, 2 and Comparative Example 1 was applied at a speed of 30 km / h. After running repeatedly, the state of each surface treatment layer was examined after 10 hours.

As a result, the scattering of the aggregate was hardly found in the section of Example 1, whereas the scattering of the aggregate was slightly observed in the rut of the test vehicle in the section of Example 2. Was seen. On the other hand, in the section of Comparative Example 1, scattered traces of the aggregate were observed in the rut of the test vehicle.

An attempt was made to remove the aggregate with the tip of a screwdriver or a spatula. In the sections of Examples 1 and 2, it was difficult to remove the aggregate at all locations. In the section of Example 1, there were places where the aggregate could be peeled off relatively easily. this is,
In the section of Comparative Example 1, the result coincides with the result that a large number of traces of aggregate due to vehicle passage were found, indicating that there are places where the bonding force between the road surface and the aggregate is insufficient. Also,
In the section of the second embodiment, as in the section of the first embodiment, although it was difficult to remove the aggregate, the aggregate in the section of the second embodiment was slightly increased depending on the passage of the test vehicle. There was no shortage of the bonding force between the aggregate and the road surface, but the time between the application of the aggregate and the application of the aggregate fluctuated. It is presumed that a portion where the force is not uniform occurs, and therefore, when passing through the vehicle, the vehicle load is concentrated on a portion where the bonding force is weak, and the aggregate has been scattered.

(Example 3, Example 4, Comparative Example 2) Instead of Gumphalt S, SP cations (room temperature asphalt emulsion, manufactured by Nichireki Co., Ltd.) was used as a binder. Spraying temperature: 23 ° C. Spraying amount : 1.14 (l / m ² ), and as the aggregate, aggregate: No. 7 crushed stone (produced by Kuzu, Tochigi Prefecture) Spraying temperature: 21 ° C. Spraying amount: 0.006 (m ³ / m ² ) In the same manner as in Example 1, Example 2 and Comparative Example 1, respectively, surface treatment layers of Example 3, Example 4 and Comparative Example 2 were constructed. The road surface temperature during construction was 47 ° C, and the air temperature was 28 ° C. The transfer of the container unit of the binder was performed manually and using a lifting platform provided with a work vehicle, and the transfer of the aggregate container unit was performed using a separately provided vehicle-installed crane. Transshipment of all materials was carried out smoothly, and approximately 1
Switching of the binder and the aggregate could be performed in 0 minutes.
Table 2 shows the properties of SP cation used as the binder.

[0066]

[Table 2]

After curing for one day and night, a heavy load was loaded on a large test vehicle, and the test was carried out at a speed of 30 km / h on the surface treatment layer constructed by the above Examples 3, 4 and Comparative Example 2. After running repeatedly, the state of each surface treatment layer was examined after 10 hours.

As a result, the scattering of the aggregate was hardly found in the section of the third embodiment, while the scattering of the aggregate was slightly found in the rut of the test vehicle in the section of the fourth embodiment. Was seen. On the other hand, in the section of Comparative Example 2, a rather large amount of aggregate scattered traces were observed in the rut of the test vehicle.

An attempt was made to peel off the aggregate with the tip of a screwdriver or a spatula, but in the sections of Examples 3 and 4, it was difficult to peel off the aggregate at all places. In the section of Example 2, there were places where the aggregate could be peeled off relatively easily. this is,
In the section of Comparative Example 2, the number of scattered traces of the aggregate due to the passage of the vehicle coincided with the result that was found, indicating that there is a place where the bonding force between the road surface and the aggregate is insufficient. on the other hand,
In the section of the fourth embodiment, as in the section of the third embodiment, although it was difficult to remove the aggregate, the aggregate of the aggregate in the section of the fourth embodiment was slightly increased depending on the passage of the test vehicle. There was no shortage of the bonding force between the aggregate and the road surface, but the time between the application of the aggregate and the application of the aggregate fluctuated. It is presumed that a portion where the force is not uniform occurs, and therefore, when passing through the vehicle, the vehicle load is concentrated on a portion where the bonding force is weak, and the aggregate has been scattered.

[0070]

As described above, according to the spray type surface treatment work vehicle of the present invention, a uniform and durable surface treatment layer can be easily and efficiently constructed while advancing the vehicle in the forward direction. Is possible. In addition, since the means for dispersing the binder and the means for dispersing the aggregate are mounted on a single vehicle, the dispersal of the binder and the aggregate can be related to each other and managed as a consistent process. The time interval from the application of the binder to the application of the aggregate can be set within a certain time, preferably not only a certain time, but also the control of the change of the application width, the start and end timing of application It is possible to do.

Further, according to the spray type surface treatment work vehicle of the present invention, since the binder and / or aggregate can be mounted on the work vehicle in the form of a container unit, the handling of the binder and aggregate is simplified, and Not only is it possible to switch and replenish the types of materials and aggregates very efficiently, it is not necessary to wait for a special binder supply vehicle or aggregate supply vehicle, and the number of construction vehicles can be reduced. The spraying type surface treatment work vehicle of the present invention is not limited to the construction of a surface treatment layer for repair, but may be an existing one,
Regardless of the new construction, the invention can be used when constructing a surface layer composed of a binder and an aggregate on all pavements, so that the invention is very convenient and extremely useful.

[Brief description of the drawings]

FIG. 1 is a diagram showing an example of a spray type surface treatment vehicle of the present invention.

FIG. 2 is a diagram illustrating an example of a spray nozzle for a binder.

FIG. 3 is a diagram illustrating an example of an aggregate bin.

FIG. 4 is an explanatory view of an aggregate bin.

FIG. 5 is an explanatory view of an aggregate bin.

FIG. 6 is a view showing another example of a spray width adjusting door.

FIG. 7 is a diagram illustrating an example of a binder container unit.

FIG. 8 is a diagram showing a relationship between an aggregate container unit and a work vehicle.

FIG. 9 is an explanatory sectional view of an example of an aggregate container unit.

FIG. 10 is a perspective view of an example of an aggregate container unit.

FIG. 11 is a view showing a construction example using the spray type surface treatment vehicle of the present invention.

FIG. 12 is a diagram showing an example of a control box for changing the setting of the spray width.

FIG. 13 is a view showing another example of the spray type surface treatment vehicle of the present invention.

FIG. 14 is a view showing still another example of the spray type surface treatment work vehicle of the present invention.

FIG. 15 is a view showing a conventional method.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Work vehicle 2, 40, 43 Spray nozzle 3 Aggregate bin 4a, 4b Work vehicle tire 5, 41, 44 Spray bar 6 Valve 7 Operating punch 8 Air cylinder 9 Aggregate receiving port 10 Top opening 11 Aggregate amount adjustment Door 12 Operating lever 13 Aggregate dispersion width adjusting door 14 Aggregate discharge port 15 Aggregate discharge roll 16 Vibration imparting device 17 Screw conveyor 18 Binder container unit 19 Stirring motor 20 Heater 21 Binder discharge port 22 Binder inlet Reference Signs List 23 Air release 24 Lifting platform 25 Binding material container unit placement portion 26 Binding material receiving port 27 Aggregate container unit 28 Binding material container unit placement portion 29 Aggregate discharge port 30 Scale 31 Opening / closing lever 32 Stopper 33 Rotating shaft 34 Lock Piece 35 opening / closing door 36 rotating shaft 37 hood 38 partitioning plate 39 fixed frame 2 Auxiliary material tank 45 Water or primer tank 46 Heating device 47 Work step 48 Heating energy source 49 Water or primer 50 Binder 51 Auxiliary material 52 Aggregate 53 Operating key 54 Spreading width control bar 55 Spreading width control pin 56 Starting lever 57 Brake lever 58 Aggregate passage 59 Binder conveying pump 101 Road surface 102 Road sweeper 103 Asphalt distributor 104 Dump truck 105 Roller

Claims (15)

[Claims] 1. At least a binder dispersing device and an aggregate dispersing device are arranged in this order from the front of the vehicle, in front of a vehicle front wheel, between a vehicle front wheel and a rear wheel, or after a vehicle rear wheel, and A receiving portion for connecting the receiving portion of the binder container unit and the binding material container unit to receive the binding material from the binding material container unit, and / or a receiving portion for receiving the binding material from the binding material container unit; A spray-type surface treatment vehicle having an aggregate receiving port for receiving aggregate. 2. A binder spraying device comprising: a binder spray bar extending in a width direction of a working vehicle; and a plurality of binder spray nozzles attached to the binder spray bar. The spray type surface treatment vehicle according to claim 1, wherein the bar and the binder receiving port are connected by a pipe. 3. An aggregate bin having an aggregate discharge port capable of freely adjusting an opening length in a work vehicle width direction and an opening length in a direction orthogonal to the work vehicle width direction. 1
Or the spraying type surface treatment work vehicle according to 2. 4. The spray-type surface treatment work vehicle according to claim 3, wherein the aggregate bin is provided with a means for uniformizing the aggregate in the width direction of the work vehicle. 5. The scatter type as set forth in claim 1, wherein the aggregate receiving port is an opening provided in the aggregate container unit mounting portion, and the opening communicates with the aggregate scatter device. Surface treatment work vehicle. 6. The spraying type surface treatment vehicle according to claim 1, further comprising an auxiliary material spraying device near the binder spraying device. 7. A water and / or primer spraying device is provided in front of the vehicle with respect to the binder spraying device.
The spraying type surface treatment work vehicle according to 2, 3, 4, 5 or 6. 8. A road surface heating means provided rearward of the working direction of the work vehicle of the aggregate spraying device.
The spraying type surface treatment work vehicle according to 5, 6, or 7. 9. The method according to claim 1, wherein the scatter width of the binder and the scatter width of the aggregate are changeable in conjunction with each other.
The spraying type surface treatment work vehicle according to 6, 7, or 8. 10. A binder dispersing device and an aggregate dispersing device,
Claim 1, 2, 3, 4, 5, 6, 7, 8, or 1 or 2 or more, respectively, which is provided before the vehicle front wheel, between the vehicle front wheel and the rear wheel, or after the vehicle rear wheel. A spray-type surface treatment work vehicle according to claim 9. 11. The method of claim 1, 2, 3, 4, 5, 6, 7,
A binder container unit provided with a binder outlet that can be connected to a binder inlet of the spray-type surface treatment vehicle according to 8, 9, or 10. 12. The binder container unit according to claim 11, further comprising a heating / heating means and / or a stirring means inside. 13. The method of claim 1, 2, 3, 4, 5, 6, 7,
An aggregate container unit provided with an aggregate outlet that can be connected to an aggregate inlet of the spray-type surface-treating work vehicle according to 8, 9, or 10. 14. The method of claim 1, 2, 3, 4, 5, 6, 7,
The aggregate receiving port of the same size as the aggregate receiving port of the spray type surface treatment work vehicle according to claim 8, 9 or 10, is provided at an upper portion thereof. An aggregate container unit which has an aggregate discharge port connectable to the aggregate receiving port of the spray-type surface-treating vehicle according to any one of claims, 9 and 10, and is capable of stacking a plurality of the aggregate container units. 15. The aggregate container unit according to claim 13, further comprising heating / heating means for heating or keeping the temperature of the aggregate inside.