JPS627689Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a road sweeper that is mounted on an excavator.

[Conventional technology and its problems]

At road construction sites, etc., it is common practice to use tire-driven excavators to collect crushed pieces of asphalt, concrete, etc., but small garbage and sand that cannot be collected by these excavators are collected using brooms. Since the dust is collected by scraping, it is inefficient and unhygienic as dust is thrown up.

There are also devices that rotate the brush roll to automatically collect the garbage, but these have the disadvantages of needing to be carried separately from the shovel car, being expensive, and requiring time and effort to dispose of the collected garbage.

[Purpose of invention]

This idea can be attached to a shovel car and can easily and reliably discharge collected garbage.
Moreover, the object is to provide a road surface cleaner with a simple structure.

[Means to achieve the purpose]

In order to achieve the above object, this invention makes it possible to attach a case whose top surface is closed to the bucket of an excavator car, and attaches a case along the rear side plate of the case to the rear of the flat case bottom plate in the direction of movement of the excavator car, and an inner surface of the rear side plate. A square opening extending to the lower end is formed, and a brush roll along the rear side plate is provided in the case with a part of its outer periphery protruding downward from the opening with a gap from the edge of the bottom plate facing the front side of the opening. Both ends of the roll are rotatably supported by the left and right side plates of the case, and a driving hydraulic motor powered by the hydraulic power source of the shovel car is connected to one end of the roll shaft.

[Function] The road sweeper constructed in this way is first installed by attaching the case to the bucket of the excavator.
While moving the shovel car, the brush roll is rotated by a hydraulic motor, and the brush roll scoops up sand and dirt from the road surface and collects it into the case through the gap between the brush roll and the bottom plate at the opening. After collection, the arm of the excavator is raised, the case is tilted so that the opening faces downward, and the garbage inside the case is dropped from the opening onto the loading platform of a garbage truck such as a dump truck or a collection site. When this dirt falls from the opening, the opening reaches the lower end of the inner surface of the rear side plate of the case, and there is nothing to obstruct the fall of the dirt, so the dirt inside the case falls smoothly.

〔effect〕

Therefore, according to this invention, it is possible to smoothly and reliably collect garbage into the case and take out the collected garbage from the case.

〔Example〕

Hereinafter, embodiments of this invention will be described in detail based on the accompanying drawings.

As shown in the figure, a road cleaner 1 according to this invention
The brush roll 5 includes a case 4 whose upper surface is closed and which is removably attached to the bucket 3 of the excavator 2, a brush roll 5 that is supported by the case 4 and scrapes dirt on the road surface into the case 4, and It consists of a hydraulic motor 8 connected to one end of the roll shaft 6 and driven by the hydraulic pump 7 of the excavator car 2. The excavator car 2 moves to the right in FIG. 1, and hereinafter, left and right in FIG. 1 will be referred to as rear and front, and front and rear will be referred to as right and left.

The case 4 has a pair of support members 9 fixed to the upper surface, as shown in FIGS. 2 to 4, for example.
An insertion part 11 into which the tip of the bottom plate of the bucket bag 3 fits is provided between the arm 10 that stands up from each support member 9, and a bolt 1 is inserted into the end of the arm 10.
2, and by tightening this bolt 12, it is removably attached to the bottom plate of the bucket bag 3.

A square opening 13 is formed at the rear of the flat bottom plate 4a of the case 4, extending along the case rear side plate 4b and reaching the lower end of the inner surface of the rear side plate 4b.

Openings 13 are provided in the left and right side plates 4c, 4c of the case 4.
A brush roll 5 with a part of its outer periphery protruding downward from the edge facing the front side of the opening 13 of the bottom plate 4b with a gap therebetween.
Both ends are supported so that they can move up and down. By making the roll 5 movable up and down in this way, the amount of protrusion of the brush roll 5 from the opening 13 can be freely adjusted, so even if the brush roll 5 wears out, the position of the roll 5 can be adjusted. You can reliably clean the road surface.

As this support means, for example, as shown in FIG. 3, a roll shaft 6 is protruded from a hole 14' formed in the case side plate 4c, and both ends of the roll shaft 6 are attached to the case 4 via bearings 14. It is configured to be rotatably supported at one end of the swing arm 17. Fourth
As shown in the figure, the bearing 14 is fixed to the tip of a screw shaft 18', which is inserted in the length direction of the arm 17, and the screw shaft 18' is adjusted by the tightening position of the pair of nuts 20. The amount of insertion is determined.

A nut 16 is attached to the other end of the arm 17, and this nut 16 is threadedly engaged with a vertically rotatable threaded rod 15 supported on the outside of the case 4, so that the threaded rod 15 can be rotated. When the nut 16 is moved in the axial direction, the arm 17 swings around the pin 18 and the opening 13 of the brush roll 5 is moved.
The amount of protrusion can be adjusted. Natsu 1
6 on the threaded rod 15, the distance between the pin 18 and the nut 16 and the length direction of the arm 17 with respect to the nut 16 change, so it is necessary to devise a way to absorb this.
6. A pin is provided protruding from the side surface of the arm 17, and a long hole is formed in the lengthwise direction of the arm at the other end of the arm. Just support it.

This embodiment has the above-mentioned configuration, and as shown in FIG. 2, the vacuum cleaner 1 is attached to the bottom plate of the bucket 3 of a shovel car so that the brush roller 5 is at the rear of the case 4 in the direction of travel. Insert the tip of the screw and secure by tightening the bolt 12 to complete preparation for work.

Next, as shown in FIG.
When the shovel car 2 is brought into contact with the road surface, the hydraulic motor 8 is driven to rotate the brush roll 5 in the direction of the arrow in FIGS. 1 and 2, and the excavator car 2 is moved to the right in FIG. Sand and dirt are swept forward by the brush roll 5 located at the rear of the case and collected into the case 4 through the gap between the brush roll 5 and the bottom plate 4a in the opening 13. At this time, the garbage is lifted up to the front, so no garbage remains behind.

After collection, when the arm of the shovel car 2 is raised as shown by the chain line in FIG. 1, the dust collected in the case 4 falls from between the brush roll 5 and the opening 13. Therefore, the collected garbage can be easily loaded onto the platform of a garbage truck such as a dump truck, and the collected garbage can also be piled up at a predetermined position. When the collected garbage is dropped from the case 4, since the opening 13 reaches the lower end of the inner surface of the case rear panel 4b, the garbage falls smoothly and reliably without accumulating on the rear panel.

Note that by removing the vacuum cleaner 1, the shovel car 2 can be used independently, and the shovel car 2 can also be used to load garbage piled up on the road surface into a garbage collection truck.

[Brief explanation of the drawing]

FIG. 1 is a side view showing the vacuum cleaner according to the invention in use, FIG. 2 is a vertical cross-sectional side view of the same vacuum cleaner, FIG.
The figure is a side view showing another embodiment same as the above. 2...Shovelcar, 3...Bucket, 4...
Case, 6...Roll axis, 8...Hydraulic motor, 1
3...Opening.

Claims (1)

[Scope of utility model registration request] In a road sweeper that is attached to a bucket 3 of an excavator car 2, a case 4 whose upper surface is closed can be attached to the bucket 3, and a case rear side plate 4b is attached to the rear of a flat case bottom plate 4a in the traveling direction of the excavator car 2. Along and behind the side plate 4
b A rectangular opening 13 extending to the lower end of the inner surface is formed, and the brush roll 5 along the rear side plate 4b is inserted into the case 4 downward from the opening 13 to the edge of the bottom plate 4a facing the front side of the opening 13 and along the outer periphery with a gap therebetween. Both ends of the brush roll 5 are rotatably supported by the left and right side plates 4c of the case 4, and one end of the roll shaft 6 is provided with a drive shaft that is powered by the hydraulic power source of the shovel car 2. Hydraulic motor 8
A road sweeper made by connecting the