JPH0762323B2 - Method and device for paving roads with rubber chips - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method for paving a road having many undulations and curves with rubber chips to provide a soft feeling and water permeability, and a method for using the method. It relates to the device.

(Prior Art) Generally, a method of paving with a rubber chip on the paved surface is known as a method of giving soft treading feeling and water permeability to the paved surface of asphalt or concrete. According to this method, a primer is applied to a pavement surface of asphalt or concrete or a base of an iron plate bridge, etc., and rubber chips, binders, toners, catalysts, and other additives that have been mixed in advance with a rubber chip mixer are added to this application surface. The mixture of agents is sprinkled and the layer of the rubber chip mixture is leveled to a uniform thickness by pressing it while horizontally swinging the lei tree, and then spread with a hot roller, and further surface finishing with an iron. Is applied.

In a wide flat area such as a playground, stadium, tennis court, and clubhouse on a golf course, the primer is applied by a spray device among the above-mentioned work, and the spraying, leveling and spreading of the rubber chip mixture are performed. Work is
A method is known in which a paving work vehicle individually equipped with a mixer for rubber chips, a screed device, or the like, or a paving work vehicle integrally provided with these is run to perform mechanically.

(Problems to be Solved by the Invention) However, in the above-mentioned screed vehicle, the traveling device winds the front and rear wheels around the wheel chain to drive them by the motor, and the left and right rotational speeds are set to be equal. So
If you cannot climb a steep slope and the slope in the width direction is large, you can skid.If the slope in the width direction changes continuously, you cannot control the pavement thickness constantly, and Since it is necessary to manually lift the front of the screed car when changing it, it can be used in places where the width is narrow and there are many undulations and curves, and the slope and the inclination in the width direction are large, such as a golf course. I could not do it, and I had to rely on the manual work of the workers, which required a lot of manpower.

INDUSTRIAL APPLICABILITY The present invention can be adopted when the width is narrow like the above-mentioned golf course path, there are many undulations and curves, and the inclination and inclination in the width direction are large, and it is possible to save human power. The present invention provides a method of paving a road with a rubber chip, and a mixer vehicle and a screed vehicle suitable for use in the method.

(Means for Solving the Problem) A method of paving a road with a rubber chip according to a first aspect of the present invention is to use a caterpillar driven by an engine, a generator, a mixer car including a mixer for rubber chips and a primer pumping tank, and a generator of the mixer car. While running a screed car equipped with a traveling device driven by power supply and a screed plate side by side on a road paved with asphalt, concrete, etc., rubber chips, binder, toner in the mixer for rubber chip of the above mixer car , The catalyst, other additives, etc. are mixed by stirring, the primer is sprayed from the primer pressure feed tank through a nozzle, then the mixture of the rubber chips and the like is sprayed from the rubber chip mixer, and then the screed plate of the screed car is grounded. At a predetermined height from the right angle to the traveling direction In addition, the rubber chips on the road are flattened by reciprocating in parallel with the ground to spread the pressure. When carrying out this method, rubber chips for replenishment, binder, toner, catalyst,
It is desirable to preliminarily arrange other additives and primers in required amounts at appropriate intervals along the road to be paved.

A second aspect of the present invention relates to a mixer truck for use in the paving method of the first aspect of the present invention, wherein a generator is provided on a chassis equipped with a traveling caterpillar that is driven by an engine and is capable of speed control, and electric power is supplied from the generator. A rubber tip mixer and an air compressor driven by receiving each, and a primer pressure-feeding tank that pressure-feeds the primer by receiving high-pressure air from the air compressor, respectively, and through a primer supply pipe at the rear of the chassis. The primer injection nozzle connected to the primer pressure feed tank is fixed downward, and the outlet of the discharge chute connected to the bottom of the rubber chip mixer is opened downward behind the primer injection nozzle. To do.
The generator may be driven by a running engine or a generator-only engine.

A third aspect of the invention is the first aspect of the invention together with the mixer truck of the second aspect of the invention.
The present invention relates to a screed vehicle used in the invention, in which front wheels whose direction can be changed with a handle are attached to the front and left of a front portion of a horizontally long frame truck, and the horizontally long frame truck is attached to the center of the rear surface of the frame truck through a longitudinal connecting shaft. A rear bogie is tiltably connected to the rear bogie, a pair of left and right rear wheels, a rear wheel drive motor for driving the rear wheels, and a transmission are provided, and a screed for mounting a screed device is provided inside the frame bogie. A holder is arranged so that the center of the inner surface of the front plate of the frame carriage and the center of the front surface of the screed holder can be tilted via a connecting shaft in the front-rear direction and can be slid up and down via a sliding guide plate in the up-down direction. Connect and install gauge wheels for height control of the screed holder on both left and right sides of the screed holder,
A screed device including a screed plate reciprocally movable in a horizontal direction at right angles to the traveling direction and a screed motor for driving the screed plate is attached to the screed holder.

(Operation) According to the first invention, a primer is sprayed from a mixer car for rubber chips onto a road paved with asphalt or concrete, and a rubber chip comprising a rubber chip, a binder, a toner, a catalyst, and other additives on the primer. The mixture is sprinkled, and the mixture is leveled to a uniform thickness and spread by a screed wheel running after the mixer wheel.

In the mixer car of the second invention, when the engine is driven, the traveling caterpillar rotates, the mixer car of the second invention moves forward, and the generator is driven by the above engine or the dedicated engine for the generator. The rubber chip mixer and the air compressor are each driven by the power supplied from the generator, and the high pressure air is also supplied by the air compressor and the primer in the primer pressure tank is pressure-fed, and the primer at the rear of the chassis is supplied through the primer supply pipe. The rubber chip mixture is sprayed downward from the spray nozzle, and then the rubber chip mixture is sprayed from the discharge chute outlet connected to the bottom of the rubber chip mixer.

In the screed vehicle of the third invention, when the generator of the second invention is connected to the rear wheel drive motor and the screed motor and the electric power is supplied thereto, the rear wheels rotate and the screed vehicle advances and the screed plate Starts reciprocating motion in a horizontal direction at right angles to the traveling direction, and the rubber chip mixture scattered on the road from the mixer truck of the second invention is leveled and spread. When the road is curved, the front wheels can easily turn and the course can be changed by manually operating the steering wheel. When the slope of the road is continuously changing, the screed holder moves up and down with respect to the frame carriage to automatically follow the change of the slope. Also,
If the road surface inclines in the width direction and the inclination angle changes continuously and the road surface is twisted, the screed holder tilts left and right with respect to the axis connecting the left and right front wheels and the frame carriage, and this screed The rear carriage leans to the left and right with respect to the holder and follows the twist of the road, and the screed plate is held at a constant height from the road surface and parallel to the road surface, and reciprocates in a direction perpendicular to the traveling direction.

(Embodiment) In FIG. 1, 10 is a rubber tip mixer truck and 30 is a screed truck. These mixer trucks 10 and 30 have a rubber tip mixer truck 10 in the front (left side in FIG. 1). The screed vehicle 30 continues to move forward.

As shown in FIG. 1, the rubber tip mixer truck 10 has a step 12 projecting to the left and right of a chassis 11 and a pair of left and right caterpillars 13 on the lower side thereof. The left and right caterpillars 13 are on the front left side of the chassis 11. Driven by the engine 14 of
The rotation direction and speed are individually controlled by the steering lever 16 provided in the driver seat 15 on the front right side. Then, an engine generator 17 equipped with an engine dedicated to power generation on the rear side of the engine 14 and the driver's seat 15 (however, the above-mentioned running engine
(Although it may be a generator driven by 14), a mixing tank 19 for additives and catalysts is fixed to the upper surface of this generator 17 via legs 18, and an operator rides on step 12 above.
The upper surface of the generator 17 can be used for the mixing work. In addition, 20 is a faucet.

Behind the generator 17, a mixer motor 21 that receives power from the generator 17 and a box-shaped mixer stand 22 that covers the mixer motor 21 are installed.
A rubber chip mixer 23 is fixed on the top. A discharge chute 24 is provided on the bottom plate of the mixer 23 so as to project rearward and downward, and a discharge port 25 thereof opens to the rear of the chassis 11. Further, an air compressor 26 driven by power supply from the generator 17 is installed beside the mixer stand 22, and a pressure tank 27 for primer is installed behind the air compressor 26, respectively, for the air compressor 26 and the primer. Pumping tank
27 is connected by an air pipe 28, and a primer pressure tank
A jet nozzle 29 for a primer is connected to the outlet of 27 through a primer supply pipe (not shown),
The spray nozzle 29 is fixed downward at the rear end of the chassis 11 and sprays and diffuses the primer to a desired pave width.

The mixer truck 10 is rotated forward by driving the engine 14 of the mixer truck 13 and is turned left and right by operating the left and right steering levers 16. Then, when the generator 17 is driven, the air compressor 26 and the rubber chip mixer 23 are each driven by receiving the power supply, and the air pressurized by the air compressor 26 is sent to the primer pressure-feeding tank 27 and the primer is supplied. Are injected onto the road surface from the injection nozzle 29 at the rear end of the chassis 11. On the other hand, in the rubber chip mixer 23, the rubber chips, the binder and the toner, and the other additives that have been charged into the mixer 23 are stirred and mixed, and this mixture is discharged into the discharge chute 24.
Is discharged from the discharge port 25 to the rear of the mixer truck 10 and sprayed on the road surface on which the primer is sprayed and applied.

Next, the structure of the screed wheel 30 will be described with reference to FIGS. As shown in FIGS. 3 and 4, the frame carriage 31 located at the center of the screed vehicle 30 includes a front plate 32 and a rear plate 33, side beams 34 and upper portions located at the upper, lower, left, and right corners. The central beam 35 located at the center is connected by a total of five beams to form a horizontally long rectangular parallelepiped shape. Then, a vertical shaft 37 in the vertical direction is provided on the left and right of the front part of the front plate 32 via a pair of upper and lower front wheel brackets 36, 36, respectively.
Is rotatably supported, and the front wheel 38 is attached to the lower end of the vertical shaft 37.
However, horizontal bar-shaped handles 39 are attached to the upper ends, and the tips of the arms 40, 40 fixed to the middle part of the left and right vertical shafts 37 are connected by a rod 41 to form a parallel link. A wheel-shaped handle can be provided in place of the rod-shaped handle 39, and the left and right front wheels can be interlocked via a rotary shaft and a gear mechanism in the width direction, a chain transmission mechanism, or the like. it can.

Further, the front center of the rear bogie 43 is connected to the lower center of the rear plate 33 of the frame bogie 31 via a connecting shaft 42 in the front-rear direction so as to be tiltable left and right, and the rear wheels 44 are provided at the left and right ends of the rear bogie 43. Mounted. In addition, the motor platform is located
45 is fixed, and the rear wheel drive motor is mounted on this motor base 45.
46 and a speed reducer 47 are mounted, and the output shaft of the speed reducer 47 is connected to the axles of the left and right rear wheels 44 via a transmission mechanism (not shown) including a chain sprocket and an endless chain.

A rectangular parallelepiped box-shaped screed holder 48 is arranged inside the frame carriage 31, and a sliding guide plate 49 slidable in the vertical direction is attached to the center of the front surface of the screed holder 48. The front surface of the is connected to the central portion of the front plate 32 of the frame carriage 31 by a connecting shaft 50 in the front-rear direction so as to be tiltable left and right. On the left and right side plates of the screed holder 48,
A horizontal flange 51 is provided so as to project outward, and a vertical shaft 52 is inserted through the horizontal flange 51 so that its fixed position is height-adjustable, and a pin 53 is provided at the lower end of the vertical shaft 52 to form a pentagonal shape. The first bracket 54 is connected to the top and bottom so as to be swingable back and forth, and the second bracket 56 is connected to the front and rear two positions of the first bracket 54 by the pins 55 so as to be swingable back and forth. Two gauge wheels 57 are attached to the front and rear, respectively, and these vertical shafts 52, the first bracket 54, the second bracket 56, the gauge wheels 57 and the like form a rubber chip pavement layer thickness control device. On the other hand, a spring case 58 is fixed to the central beam 35 of the frame carriage 31, and the spring case 58 and the screed holder are
A compression coil spring 59 is attached between the upper plate of 48 and
The spring case 58 is provided with a handle 60 for tightening the compression coil spring 59.

Inside the screed holder 48 above, a screed device 61
Is installed. This screed device 61, as shown in FIGS. 4, 5 and 7, is a box-shaped frame 63 connected to the upper part of the side plate of the screed holder 48 by a pin 62 so as to be swingable back and forth. Motor base 63 in frame 63
The screed motor 64 with a reducer fixed via a (see FIG. 7), and the horizontal and width direction (screed) from the lower surfaces of the four corners of the motor base 63a through the links 63b in the vertical direction. A screed plate 65 that is reciprocally suspended in a horizontal direction at right angles to the traveling direction of the vehicle.
And a slider crank composed of a crank disk 64a fixed to the output shaft of the screed motor 64, and a connecting rod 64b connecting the eccentric position and the bracket 65a standing upright on the screed plate 65. The pin 67, which is formed of a mechanism or the like and projects outward from the side plate of the box-shaped frame 63, has an arc-shaped elongated hole 66 (see FIGS. 5 and 6) provided on the side plate of the screed holder 48. Inserted,
The projecting end of the pin 67 is connected to the side plate of the screed holder 48 by the arm 68 and the bolt 69, and the tilt angle of the screed plate 65 is adjusted by rotating the bolt 69.

In the screed vehicle 30, the rear wheels are driven and rotated by connecting the power supply terminal of the rear wheel drive motor 46 to the generator 17 of the rubber tip mixer car 10, and the power supply terminal of the screed motor 64. Is connected to the generator 17, the screed plate 65 reciprocates in a horizontal direction at right angles to the traveling direction of the screed vehicle. Then, in this screed vehicle 30, a worker stands on one side and one handle
By grasping 39 and walking, the direction of travel is controlled. That is, when a worker walks along the road, the handle 39 faces in the walking direction, and when the road is curved, the handle 39 is directed by itself and the front wheel 38 turns to change the course. It Also screed holder
Since 48 is biased downward by its own weight and compression coil spring 59, the screed holder 48 slides against the frame carriage 31 in response to the change in the gradient of the road when the gradient of the road changes continuously. Move up and down via the guide plate 49,
It automatically follows the changes in the gradient. In this case, in this embodiment, the screed holder 48 is supported by the four gauge wheels 57 via the swingable first bracket 54 and the two second brackets 56, 56. If there are small unevenness or foreign matter on the top, the change in height of the screed holder 48 due to this unevenness or foreign matter is significantly reduced compared to the size of the unevenness or foreign matter, and therefore the height of the screed plate 65 from the road surface. Is kept accurate. When the road surface is inclined in the width direction and the inclination angle is continuously changed and the road surface is twisted, the screed holder 48 and the rear bogie 43 are attached to the axis line connecting the left and right front wheels 38 and the frame bogie 31. Individually tilt to the left and right to follow the twist of the road. That is, when the road surface is twisted, the screed plate 65 automatically changes the left and right inclination angles following this twist and always reciprocates in parallel with the width direction of the road surface.

FIG. 10 shows an aspect of paving using the mixer truck 10 for rubber chips and the screed truck 30 described above. In FIG. 10, reference numeral 1 denotes a golf course, which is preliminarily paved with concrete or asphalt, and layout tapes 3 are attached along both side edges of an area 2 having a predetermined width to be paved with rubber chips. . Then, material storage areas 4 are prepared at predetermined intervals on the side of the path 1, and in each of these material storage areas 4, a rubber chip, a binder, a toner, a rubber chip, a binder, and a toner, depending on the capacity of the mixer 23 included in the rubber chip mixer truck 10. The required amount of paving material such as catalyst is distributed in advance.

After the above preparations, workers A and B are placed in the driver's seat 15 and step 12 of the rubber tip mixer truck 10, respectively.
The worker C stands on the side of the screed vehicle 30, and the generator 17 of the rubber tip mixer truck 10 is connected to the rear wheel drive motor 46 and the screed motor 64 of the screed vehicle 30. The vehicle 10 and the screed vehicle 30 are driven. At this time, the worker B riding on the step 12 of the mixer truck 10 descends from the step 12 at the position of the material storage 4 and puts the paving material such as the rubber chips and the binder placed in the material storage 4 on the mixer truck 10. While being carried and put into the rubber chip mixer 23 to stir and mix them, the primer is replenished to the primer pressure feed tank 27 as needed. This allows the above mixer truck
The primer is sprayed from the spray nozzle 29 at the rear of the nozzle 10 to apply the primer to the area 2 between the layout tapes 3 and 3 on the left and right of the walkway 1. The worker C standing next to the screed vehicle 30 holds the handle 39 of the screed vehicle 30 and walks behind the rubber tip mixer truck 10 to cause the screed wheel 30 to follow the rubber tip mixer truck 10.
As a result, the screed plate 65 of the screed wheel 30 reciprocates in the horizontal direction at right angles to the traveling direction and in parallel with the ground to make the thickness of the rubber chips scattered from the rubber chip mixer wheel 10 uniform and to spread the pressure. In FIG. 9, 5
Shows the spraying area of the rubber chips, and 6 shows the rubber chip layer after the spreading. When the screed wheel 30 passes and the above-mentioned leveling and spreading work is completed, the shoulder portion of the rubber chip layer 6 is molded by an electric gote, and then the layout tape 3 is formed.
Are removed.

In the above embodiment, the discharge chute 24 of the rubber chip mixer 23 of the mixer truck 10 can be formed so as to be rotatable left and right around its mounting base.
Ejection port of ejection chute 24 when the walkway is curved
By orienting 25 toward the inside of the curve, a mixture such as rubber chips can be discharged to the center of the width of the walkway. Further, in the screed vehicle 30, the compression coil spring 59 on the upper surface of the screed holder 48 may be omitted, and the screed holder 48, the screed device 61, etc. may be urged downward only by its own weight to cause the screed plate 65 to follow the road surface. it can. Further, the screed holder 48 and the screed device 61 described above can be lifted, for example, when the operation is stopped so that the screed plate 65 can be floated from the rubber chip layer 6. FIGS. 8 and 9 show an example of a device for this purpose, in which a horizontally long sliding guide plate 71 is vertically slidably mounted on the front surface of a screed holder 48. The front surface of is connected to the front plate 32 of the frame carriage 31 by a connecting shaft 50 so as to be tiltable. On the other hand, frame cart 31
A spherical bearing 73 is fixed to a pair of left and right upper surface beams 72 located near the center of the upper surface, and a screw rod 76 is inserted into a sleeve 75 that vertically penetrates a spherical roller 74 inside thereof, and a screw rod 76 is projected upward. A boss 78 of the handle wheel 77 and a lock nut 79 are respectively screwed into the ends, and the lower end of the screw rod 76 is a protrusion protruding from the upper plate of the screed holder 48.
When the screed vehicle 30 is traveling, the screw rod 76 moves up and down with respect to the spherical bearing 73 when the screed vehicle 30 travels, and if necessary, the handle wheel 77 is turned to rotate the screw rod 76. Is raised, the screed device 61 is raised via the screed holder 48, and the screed plate 65 is separated from the rubber chip layer 6. It should be noted that both the lifting device of the screed device 61 and the urging device by the spring 59 can be provided side by side.

(Effects of the Invention) A first invention is to run a mixer car for rubber chips and a screed car side by side, and spray a primer from the mixer car to the ground, and add rubber chips, a binder, a toner, a catalyst, and the like thereon. A rubber chip mixture consisting of agents etc. is sprayed, and the screed car evens this to a uniform thickness and spreads it out, so it has a narrow width like a golf course, many undulations and curves, Even if the slope or the inclination in the width direction is large, the paving with rubber chips can be performed by mechanical force, which can save manpower significantly, and there is no need to replenish the screed car with the rubber chip mixture as in the past. . Further, since the material of the rubber chip mixture is replenished to the above mixer truck, the number of times of replenishment can be significantly reduced as compared with the number of times the rubber chip mixture is replenished to the conventional screed vehicle.
Moreover, since the rubber chip mixture is not loaded on the screed vehicle and the driving power for the screed vehicle is supplied from the mixer vehicle, the screed vehicle is lightened and its operation becomes easy.

Further, the rubber chip mixer truck of the second invention, while running, stirs and mixes the rubber chips, the binder, the toner, and the like, sprays the primer downward from the rear part thereof, and then sprays the rubber chip mixture. It can be used for implementing the first invention. And since this mixer car has a pair of left and right running tracks that can control the speed, it runs without problems even on a narrow road with a lot of ups and downs like a golf course,
It is possible to spray the primer and spray the rubber chip mixture.

Further, since the screed vehicle of the third invention comprises a rear-wheel drive motor and a screed motor, when the generator of the first invention is connected to these and the electric power is supplied thereto,
The rear wheel rotates, the screed vehicle moves forward, and the screed plate reciprocates in a horizontal direction at right angles to the traveling direction and in parallel with the ground. Therefore, by advancing this screed vehicle after the mixer vehicle of the second invention,
It can be used to carry out the invention. Since this screed vehicle is provided with the front wheels whose direction can be controlled by the steering wheel, the course can be easily changed by operating the steering wheel. Further, since the screed holder is formed so as to be able to move up and down with respect to the frame carriage, even when the road gradient changes continuously, the screed holder moves up and down with respect to the frame carriage to change the gradient. Can follow. In addition, a screed holder is attached to the front plate of the frame truck.
Since the rear chassis is connected to the rear plate of the frame vehicle so as to be tiltable to the left and right respectively, the road surface is inclined in the width direction, and even when the inclination angle is continuously changed and the road surface is twisted, The screed plate can accurately follow this twist and evenly spread the spreading layer of the rubber chip mixture on the road.

[Brief description of drawings]

FIG. 1 is a side view of a rubber tip mixer truck and screed vehicle of the present invention, FIG. 2 is a plan view of a rubber tip mixer truck, FIG. 3 is an enlarged side view of a screed vehicle, and FIG. 4 is a plane view of FIG. Fig. 5 is a partially cutaway side view of Fig. 3, Fig. 6 is an enlarged view of a part of Fig. 5, Fig. 7 is a rear view of a screed device, and Fig. 8 is a modification of a screed vehicle. Fig. 9 is a plan view, Fig. 9 is a sectional view taken along line IX-IX in Fig. 8, and Fig. 10 is a plan view of rubber mixer mixer cars and screed cars in operating states. 10: rubber tip mixer truck, 11: chassis, 13: caterpillar, 14: engine, 15: driver's seat, 17: generator, 19: compounding tank, 23: rubber tip mixer, 24: discharge chute, 25:
Discharge port, 26: Air compressor, 27: Primer pressure feed tank, 29: Primer injection nozzle, 30: Screed vehicle,
31: Frame trolley, 38: Front wheel, 39: Handle, 42, 50: Connection shaft, 4
3: Rear bogie, 44: Rear wheel, 46: Rear wheel drive motor, 48: Screed holder, 49, 71: Vertical sliding guide plate, 57:
Gauge wheels, 61: screed device, 64: screed motor, 65: screed plate.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroshi Yamamori 1176 Uchigaike, 1-6, Inami-cho, Kako-gun, Hyogo Prefecture Toyo Tire & Rubber Co., Ltd. Hyogo Plant Hyogo Factory (72) Inventor Iichiro Asai Hyogo Factory, Toyo Tire & Rubber Co., Ltd.

Claims (3)

[Claims] 1. A mixer truck equipped with an engine-driven caterpillar, a generator, a rubber chip mixer and a primer pumping tank, and a traveling device and a screed plate driven by power supplied from the generator of the mixer truck. While driving the screed cars side by side on the road paved with asphalt or concrete, the mixer for rubber chips of the mixer car stirs and mixes the rubber chips, binder, toner, catalyst, other additives, etc. The primer is sprayed from the tank through the nozzle, then the mixture of the rubber chips and the like is sprayed from the rubber chip mixer, and then the screed plate of the screed car is at a predetermined height from the ground at a right angle to the traveling direction and on the ground. The rubber chips on the road are leveled by reciprocating in parallel with Paved way of the road by the rubber chips characterized by Rukoto. 2. A generator, a rubber chip mixer and an air compressor which are driven by being supplied with electric power from the generator on a chassis provided with a traveling caterpillar which is driven by an engine and whose speed can be controlled, and the air. The primer pressure-feeding tanks that receive high-pressure air from the compressor and pressure-feed the primer are installed, respectively, and the primer injection nozzle connected to the primer pressure-feeding tank is fixed downward at the rear of the chassis via the primer supply pipe. A rubber tip mixer truck characterized in that an outlet of an ejection chute connected to the bottom of the rubber tip mixer is opened downward behind the primer injection nozzle. 3. A horizontally long frame dolly is provided with front wheels whose direction can be changed by handles, and a horizontally long rear dolly is tiltably connected to the center of the rear surface of the frame dolly via a longitudinal connecting shaft. The rear bogie is provided with a pair of left and right rear wheels, a rear wheel drive motor for driving the rear wheels, and a transmission, and a screed holder for mounting a screed device is arranged inside the frame bogie, The center of the inner surface of the front plate of the trolley and the center of the front face of the screed holder are connected to each other through a connecting shaft in the front-rear direction so as to be tiltable, and vertically slidable via a slide guide plate in the up-and-down direction. Gauge wheels for controlling the height of the screed holder are installed on both left and right sides, and the screed plate that can reciprocate in the horizontal direction perpendicular to the traveling direction and this screed plate are driven in this screed holder. Screed vehicle, characterized in that attaching the screed apparatus including a screed for motor order.