JPH027932Y2 - - Google Patents

Description

[Detailed explanation of the invention] This invention is an asphalt pavement (repair) using a repairer, etc., in which the wing of the hopper can be rotated up and down.
The present invention relates to a heating device installed in a work vehicle.

Road heaters, repavers, drive rollers, remixers, etc. are known as working vehicles for regenerating existing asphalt pavement, and two or more types of working vehicles are used to repair asphalt pavement depending on the type of work.

Incidentally, in recent years, work vehicles have been made larger and more multifunctional in order to repair asphalt pavement faster and more cheaply. In general, when a work vehicle is made larger, it is desirable to be able to respond correctly and quickly to the width of the road to be repaired. There were various problems with drivability and economy, such as difficulty in repairing narrow road surfaces and problems with simple driving on general roads.

For this reason, it is considered that several auxiliary heaters can be detachably attached to the main heater using bolts, etc., and that the width of the road surface can be adjusted by attaching and detaching the auxiliary heaters. There were complaints that it took a long time to install and remove.

SUMMARY OF THE INVENTION An object of the present invention is to provide a heating device for an asphalt paving vehicle that can easily raise an end heater upward and freely adjust the heating width of an asphalt paved road surface.

In order to achieve the above object, the present invention includes a hopper with wings attached to the left and right sides of the hopper body so as to be rotatable in the vertical direction, and a heater for heating the road surface is provided below the hopper. In the asphalt paving work vehicle, the heater is supported by a central heater located below the hopper body, and an end heater located below the wing, which is rotatable vertically on a pivot. Further, an interlocking member is removably provided between the wing and the end heater to move the end heater upward about the pivot when the wing rotates upward.

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

FIGS. 1 to 6 show an embodiment of the present invention applied to a repaver, and numeral 1 in the figures is the main body of a traveling vehicle. This traveling vehicle main body 1 is equipped with an engine 2, and the engine 2 rotates wheels 3 and 4 so that the vehicle can freely travel on a road surface. The vehicle body 1 includes a hopper 5, a heater 6, a rotary scarifier 7, a first screw 8, a first screed 9, a second screed 10, and a second screed 11. A bar feeder 12 is installed between the hopper 5 provided above the heater 6 and the second screw 10 in the above order from front to rear. While moving it forward to the left in the figure, the heater 6 heats the asphalt paved road surface, the scarifier 7 scrapes up the road surface, the first screed 8 stirs it, and the first screed 9 immediately spreads the above-mentioned recycled mixture. While leveling and compacting, the new composite material in the hopper 5 is passed through the second screw 10 using the bar feeder 12.
It is designed so that it can be transported to a section where it can be spread on top of the recycled composite material and compacted with a second screed 11.

Note that the structures of the rotary califier 7, the screws 8 and 10, the screeds 9 and 11, etc. are well known.

The hopper 5 has two left and right wings 14 attached to the left and right sides of the hopper main body 5a so as to be rotatable in the vertical direction about a shaft 13, and these wings 14 are connected to a hydraulic cylinder 15 (see Fig. 2). ), the new composite material in the hopper 5 can be fed onto the bar feeder 12 without leaving anything behind, and the width of the vehicle body can be narrowed.

The heater 6 includes a central heater 6a, and end heaters 6 attached to the left and right ends of the central heater 6a so as to be rotatable in the vertical direction by means of a pivot 16.
The central heater 6a is supported by two sets of left and right hydraulic cylinders 17 and 18 (only one set of hydraulic cylinders on the near side is shown in FIG. 4) on the vehicle main body 1, and can be freely moved up and down. It's summery. The illustrated heater 6 includes a plurality of heating bodies 6d each having a burner 6c arranged vertically and horizontally on the same plane and supported by a frame 6e. Cylinder 1 loaded on top
The liquefied gas sent from the cylinder 19 is combusted by a burner 6c, and the combustion heat is used to heat the road surface directly or indirectly using a radiant plate. etc., and the type and structure thereof are arbitrary in the present invention.

Therefore, the central heater 6a is connected to the hopper main body 5.
The end heater 6b is located under the wing 14 of the hopper 5. The end heater 6b is connected to the wing 14 via an interlocking member 20, and the wing 14
When the mounting shaft 13 is raised upward using the fulcrum, the end heater 6b stands up substantially perpendicularly to the side of the wing 14 using the pivot 16 as the fulcrum in conjunction with the movement of the wing 14. A chain is used for the interlocking member 20 in the figure, and the wing 14 and the end heater 6b
Fasteners 21, 2 such as hooks provided respectively in the
2, hook both ends individually and attach the wing 14.
Although the end heater 6b is connected to the end heater 6b, wires, rods (links), etc. may be used instead of chains.

Note that the end heater 6b is connected to a hydraulic cylinder 17,
18 together with the central heater 6a, the wing 14 is raised upward in conjunction with the raising of the wing 14. By taking some measures, it is also possible to cause the wing 14 to be raised upward even in the lowered state in conjunction with the rising of the wing 14.

Next, the operation of the heating device of the present invention will be explained.

When repairing asphalt pavement, the central heater 6a and the horizontally turned end heater 6b of the heater 6 are lowered by hydraulic cylinders 17 and 18 to bring them closer to the road surface, and liquefied gas is supplied from the cylinder 19 to the heater 6. and heat the road surface as usual. The heated road surface is scraped up by the rotary scarifier 7, and the scraped up paving material is further leveled by a first screed 8 and a first screed 9 at the rear, and is regenerated as a shaped road surface.

At this time, if a supplementary material such as a new composite material is required for repairing the asphalt pavement, the supplementary material is temporarily stored in the hopper 5, and sent rearward by the bar feeder 12 to be scattered on the shaped road surface. This supplementary material is leveled by a second screed 10 and a second screed 11 as is well known, and a paved road surface made of the new composite material is obtained on the prepared road surface. When the amount of supplementary material in the hopper 5 decreases as the work progresses, the hopper 5 is replenished with supplementary material from a truck loaded with supplementary material, and the repair work is continued. When the supplementary material in the hopper 5 is used up, remove the interlocking member 20 and raise the wing 14 upwards using the mounting shaft 13 as a fulcrum, and remove the supplementary material that was on the wing 14 from the bar feeder 12. and transport it outside.

In addition, when heating a narrow road surface without using supplementary materials, the end heater 6b is connected to the wing 14 by hooking the interlocking member 20 to the stoppers 21 and 22, and the end heater 6b is connected to the wing 14 together with the end heater 6b. It is also possible to ignite the central heater 6a with the heater 6b standing upwardly. Furthermore, when simply driving on the road surface without performing repair work, the entire heater 6 is raised using the hydraulic cylinders 17 and 18, and the end heater 6b is raised together with the wing 14 with the heater 6 being far away from the road surface. , reduce the width of the car body.

As explained above, the heating device of the present invention includes a hopper with wings attached to the left and right sides of the hopper body so as to be rotatable in the vertical direction, and a heater for heating the road surface is installed below the hopper. In the asphalt paving work vehicle, the heater includes a central heater provided below the hopper body and an end heater provided below the wing, which is pivotable in the vertical direction. An interlocking member is removably provided between the wing and the end heater to move the end heater upward about the pivot when the wing rotates upward. Therefore, the wing and the end heater can be erected upward with a single hydraulic cylinder or the like, and the structure is simple, easy to operate, and economical. Furthermore, since the end heater can be raised upward together with the wing, narrow road surfaces can be heated and there is no problem in getting to and from the work site.

[Brief explanation of the drawing]

Fig. 1 is a side view of a repairer equipped with the heating device of the present invention, Fig. 2 is a front view, Fig. 3 is a plan view of the hopper section, Fig. 4 is a schematic side view of the heating device of the present invention, and Fig. 5 6 is a plan view of the heater, and FIG. 6 is a front view showing the relationship between the hopper wing and the heater. 5... Hopper, 5a... Hopper body, 6... Heater, 6a... Central heater, 6b... End heater, 14... Wing, 16... Pivot, 20...
Interlocking members.

Claims (1)

[Scope of utility model registration request] In an asphalt paving work vehicle, the asphalt paving vehicle is equipped with a hopper in which wings are rotatably attached to the left and right sides of the hopper body, and a heater for heating the road surface is provided below the hopper. An end heater provided below the wing is rotatably supported in the vertical direction by a pivot on a central heater provided below the hopper main body, and the wing and the end heater 1. A heating device for an asphalt paving work vehicle, characterized in that an interlocking member is removably provided which causes the end heater to move upward about the pivot when the wing rotates upward.