JPH068411U - Rubber chip paving machine - Google Patents

Abstract

(57) [Summary] [Purpose] To reduce the number of workers and improve work efficiency in the construction of rubber chip pavement. [Construction] A vehicle body 1 having traveling wheels 10, a traveling drive unit 11 and a direction control handle 12, and a paving material which is provided in the vehicle body and which is housed inside is sent out from the lower end to a constant width based on the progress of the vehicle body. It has a pavement material hopper 2 having a material delivery port 29, and a flat lower surface which is formed to have a width corresponding to the width of the pavement material delivery port and which opposes the road surface and controls the upper surface of the pavement material to be delivered. A trowel member 3 provided on the vehicle body or the hopper so that the height position of the lower surface can be adjusted and is located rearward of the paving material delivery port with respect to the traveling direction,
The heating roller 4 is provided so as to be pulled by the vehicle body and roll behind the iron member and to heat the rolling surface.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a pavement machine used to form a rubber chip pavement surface by paving concrete or asphalt pavement such as a road surface or floor surface with a pavement material including rubber chips and an adhesive.

[0002]

[Prior art]

 Conventionally, rubber chip pavement surfaces have been used for the purpose of preventing damage to spikes in aisles in golf courses, or to prevent injuries when slipping or falling on aisles, floors, etc. in nursing homes or infant facilities. It is provided. The raw material of the paving material consists of rubber chips of about the size of a rice grain, a liquid adhesive, and a pigment (green, brick color, etc.). The paving material was sprinkled on the construction surface, leveled with dragonflies (leveling equipment), finished with a hand-roller with heater and trowel, and then allowed to dry naturally. The practical thickness of this rubber chip pavement is 5 to 50 mm. The heating at the time of finishing is done because the surface will be glossy and beautifully finished by heating.

[0003] In the conventional construction work of rubber chip pavement, a mixer user, a paving material carrier, a dragonfly, a trowel, and a roller user each have a total of five people as a set. Is being done.

[0004]

[Problems to be solved by the device]

 Since the conventional rubber chip pavement construction work requires a lot of manpower, it is a problem for the contractor to secure workers, and there is also a problem that the work efficiency is low.

An object of the present invention is to provide a rubber chip pavement paving machine capable of reducing the number of workers and improving work efficiency for the construction work of the rubber chip pavement.

[0006]

[Means for Solving the Problems]

 The rubber chip pavement paving machine of the present invention has a vehicle body having traveling wheels, a traveling drive unit, and a direction control handle, and a paving material provided in the vehicle body and accommodated therein, having a constant width from the lower end based on the progress of the vehicle body. It has a pavement material hopper with a pavement material outlet for delivering to the road, and a flat lower surface that is formed to have a width corresponding to the width of the pavement material outlet and that faces the road surface and regulates the upper surface of the pavement material to be delivered. A trowel member provided on the car body or hopper so that the height of the lower surface of the cage can be adjusted so as to be located behind the paving material outlet in the traveling direction, and the trowel member pulled by the car body. And a heating roller provided so as to heat the rolling surface.

[0007]

[Action]

 When the paving machine is stopped at the paving start position, the height position of the trowel member is adjusted according to the pavement thickness, and the paving material is stored in the hopper and then run at a specified speed, the paving material delivery port of the hopper The upper surface of the paving material sent out from the trowel member is regulated by the trowel member to form a layer with a constant width and thickness, and the heating roller rolls on the upper surface of the layered portion to heat and complete the construction.

[0008]

【Example】

 An embodiment of this invention will be described with reference to FIGS. This rubber chip pavement paving machine comprises a vehicle body 1, a paving material hopper 2, a trowel member 3, and a heating roller 4.

As shown in FIGS. 1 to 3, the vehicle body 1 is integrally formed with a paving material hopper 2 described later, and has traveling wheels 10, a traveling driving unit 11, and a direction control handle 12. The traveling wheel 10 includes one front wheel 10a and two rear wheels 10b. The front wheel 10a is a driving wheel and its outer diameter is 100 mm. A front wheel shaft 13 to which the front wheel 10a is fixed is rotatably supported by a lower end of a vertical handle shaft 14, and the handle shaft 14 is rotatably supported by a front end portion of the vehicle body 1 via bearings 15 and 16. As shown in FIG. 1, a direction control handle 12 is fixed to a portion where the upper end of the handle shaft 14 penetrates the vehicle body 1 and goes upward. The direction control handle 12 is formed of a steel pipe, and extends and bends forward with the front wheel 10a facing forward, extends diagonally forward and upward, and has a horizontal grip 17 at its end.

A bracket 18 is provided on a portion of the handle shaft 14 extending downward from the vehicle body 1. As shown in FIG. 1, an electric motor 19 for driving a front wheel as a traveling drive unit 11 is attached to the bracket 18. is there. The rotation of the motor 19 is transmitted to the front wheel shaft 13 via the sprockets 20 and 21 and the chain 22. The motor 19 can freely change the rotation speed of the output shaft within a range of 0 to 14 rpm. As a power source for the motor 19 and a heater for a heating roller 4 which will be described later, although a detailed description is omitted, a generator 23 with an internal combustion engine is mounted, and a support 24 for this purpose is fixed to the vehicle body 1.

The rear wheel 10 b has an outer diameter of 200 mm, and is provided on a rear wheel shaft 25 that is provided so as to project to both sides below the rear end of the paving material hopper 2. The rear wheel shaft 25 supports the paving material hopper 2 with a bearing. It is free to rotate. Both the front wheels 10a and the rear wheels 10b are fitted with solid rubber tires having a thickness of about 10 mm.

As shown in FIGS. 1 and 2, the pavement material hopper 2 is integrally formed with the vehicle body 1 so as to form the rear portion of the vehicle body 1, and has an inclined front wall 26 and a vertical rear wall. It is a bottomless container having a width of 1000 mm surrounded by 27 and vertical side walls 28. As shown in FIG. 1, the lower ends of the front wall 26 and the side walls 28 are located about 10 mm higher than the ground contact surface of the rear wheel 10b, and the lower end of the rear wall 27 is located about 50 mm higher than the ground contact surface. Is formed. By forming the pavement material hopper 2 in this manner, the pavement material hopper 2 is connected to the opening at the lower end and is also opened rearward to form the pavement material delivery port 29.

As shown in FIGS. 1 and 2, a partition plate 30 and a large number of groove-shaped supporting portions 31 are provided on both sides inside the pavement hopper 2 so that the width of the internal space and the outlet can be changed. There is. That is, the width of the inner space can be changed from the upper end to the lower end by replacing the partition plate 31 with a different support portion 31, and thus the width of the paving material delivery port 29 can be changed.

The trowel member 3 is formed to have a width corresponding to the maximum width of the paving material outlet 29 of the paving material hopper 2, and a road surface on which the traveling wheel 10 travels behind the position of the paving material outlet 29. And a vertical portion 33 that is formed by bending upward from the front edge of the horizontal portion 32 that forms the lower surface facing the horizontal portion 32. As shown in the enlarged view of FIG. 4, the trowel member 3 is provided with a vertical support plate 34 fixed to the rear wall 27 of the paving material hopper 2, and is attached to this so as to be vertically movable. There is.

The movement adjusting structure is fixed to a nut 35 fixed to the upper end of the support plate 34, a male screw 37 with a rotation handle 36 screwed to the nut 35, and an upper portion of the vertical portion 33 of the iron member 3. A member 38 that rotatably supports the lower end of the male screw 37, a lock handle 39 that has a male screw portion that is screwed into the support plate 34 through the vertically elongated hole of the vertical portion 33, and a support plate that is provided on the vertical portion 33. A scale plate 40 for the upper end of 34. In this configuration, when the lock handle 39 is loosened, the rotating handle 36 can be operated to move the iron member 3 up and down, and the height position of the lower surface of the horizontal portion 32 of the iron member 3 can be adjusted by the scale plate 40. When the lock handle 39 is tightened after the desired height is adjusted, the iron member 3 is fixed in that position. As shown in FIG. 2, this movement adjusting structure is provided at two positions on the rear surface of the paving material hopper 2.

The heating roller 4 rotatably supports both ends of a steel pipe having an outer diameter of about 100 mm and a length corresponding to the width of the trowel member 3 via bearings 42 provided on the traction member 41, and internally A 1 KW sheathed heater 43 is housed so that the temperature of the outer surface of the steel pipe is maintained at 140 ° C. The traction member 41 is rotatably supported by a horizontal pin 44 at the center of the lower part of the rear wall 27 of the paving material hopper 2, and the heating roller 4 is displaced a little behind the trowel member 3 so as to be vertically displaceable. It is located, descending under its own weight, and rolls as the vehicle body 1 advances.

The paving machine for rubber chip paving thus configured is used as follows. First, the paver is stopped on the road surface 51 at the pavement start position, and the partition plate 30 is positioned at an interval of, for example, 500 mm depending on the width of the pavement and the thickness of the pavement to be used for rubber chip pavement. The height position of the iron member 3 is adjusted to, for example, 30 mm, and the pavement material is stored in the pavement material hopper 2. When the paver is operated at a proper speed, for example, about 2 m / min by operating the direction control handle 12 to run along the desired construction route, the pavement material 50 is delivered from the pavement material outlet 29 of the hopper, The upper surface of the sent pavement material 50 is regulated by the trowel member 3 to form a layer having a width of 500 mm and a thickness of 30 mm, and the heating roller 4 rolls on the upper surface of the layered portion and its weight. Heat while applying pressure. By the action of the heating roller 4, the thickness is about 2/3 of the thickness regulated by the trowel member 3, that is, about 20 mm, and the surface is finished in a glossy and good state. If necessary, the edge of the rubber chip pavement is finished with a trowel that has been used conventionally. If left as it is for 10 to 12 hours, the adhesive dries and the rubber chip pavement is completed.

The rubber chip pavement thus constructed has a remarkably good flatness of the upper surface as compared with the conventional manual construction. In addition, the number of workers required for construction can be fully shared by three people, each task of mixer operation, paver operation, transportation, and ironing work, so two workers are required compared to the conventional method. It can be reduced, and the construction area is 5 times more than the conventional one per unit time.

[0019]

[Effect of device]

 According to this invention, it is possible to provide a paving machine for rubber chip pavement, which can reduce the number of workers and improve the work efficiency for the construction work of the rubber chip pavement.

[Brief description of drawings]

FIG. 1 is a partial sectional side view of an embodiment of the present invention.

FIG. 2 is a partial cross-sectional plan view of the embodiment.

FIG. 3 is a front view of the embodiment.

FIG. 4 is an enlarged view showing a height adjusting structure of the iron member 3 of the embodiment, (a) is a partial rear view and (b) is a partial sectional side view.

[Explanation of symbols]

 1 Vehicle Body 2 Pavement Material Hopper 3 Trowel Member 4 Heating Roller 10 Traveling Wheel 11 Traveling Drive Unit 12 Direction Control Handle 29 Pavement Material Delivery Port

Claims (1)

[Scope of utility model registration request] 1. A vehicle body having traveling wheels, a vehicle drive unit, and a direction control handle, and a vehicle paving material that is provided inside the vehicle body and is delivered from the lower end to a constant width based on the progress of the vehicle body. A pavement material hopper having an outlet, and a flat lower surface that has a width corresponding to the width of the pavement material outlet and that faces the road surface and regulates the upper surface of the pavement material that is discharged, and the height of the lower surface. A trowel member provided on the vehicle body or the hopper so as to be positioned rearward of the paving material delivery port with respect to the traveling direction so that the position can be adjusted, and rolls behind the iron member pulled by the vehicle body. A paving machine for rubber chip paving, comprising: a heating roller provided so as to heat the rolling surface.