JPH0390704A - Road cleaner - Google Patents

Abstract

PURPOSE:To contain quantities of foreign matters in a container and to facilitate discharge of the foreign matters from the container by a method wherein the container is mounted to a frame body, and an opening and closing plate functioned as a cover to close a foreign matter intake port and a link function to open and close the opening and closing plate are provided. CONSTITUTION:A caster 13 is mounted to a main frame 10 of a frame body, and handles 14 on both sides for operation are mounted to the upper part of thereof. A water tank 16 for sprinkling water and an engine 17 are mounted to the upper part of the main frame 10. The drive force of the engine 17 is transmitted to a V-pulley 26 through a V-belt 25 and transmitted to a main brush 29 through a transmission mechanism 28 to move a side brush part 34 through a bevel gear mechanism 33 by means of a shaft 32. Further, a dust case is removably engaged with a support rod 58 of the frame body through a hook 57, and a discharge port cover 60 with a handle 59 is openably mounted to a dust discharge port 55 through a hinge 61.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a road sweeper that collects and stores foreign matter such as dust on the road.

(Conventional technology) Conventional road sweepers remove foreign matter such as dust (hereinafter referred to as dust).
The main brush scrapes up dust from the road surface, and the dust scraped up by the main brush is guided to the dust box by a fixed guide plate.

The dust box has a dust intake port on the side, and dust is taken into the dust box through the dust intake port and stored therein. When discharging dust from the dust box, rotate the dust box around the bottom so that the dust intake port faces upward, and discharge the dust inside from the dust intake port.

(Problems to be Solved by the Invention) Conventional road sweepers have a structure in which the dust box only has a dust intake port opened on the side, and therefore cannot store a large amount of dust.

Also, when discharging dust from the dust box,
Since the dust box must be rotated to discharge the dust from the dust intake port, the discharge operation is complicated.

The present invention has been made in consideration of the above-mentioned circumstances, and an object of the present invention is to provide a road sweeper that can store a large amount of foreign matter in a storage container and can easily discharge foreign matter from the storage container. shall be.

[Structure of the invention]

(Means for Solving the Problems) The present invention includes a frame main body, a running part for running on a road surface, a main brush part for scraping up foreign matter on the road surface, and a main brush part for scraping foreign matter on the road surface. A road sweeper comprising a side brush section and a storage container for storing foreign matter scraped up by the main brush section,
The storage container is removably installed on the frame body, and is an opening/closing plate that functions as a foreign material guide plate from the main brush section into the storage container when scraping up foreign materials, and as a lid to close the foreign material intake port when the storage container is removed. and a link mechanism for opening and closing the opening/closing plate.

(Function) The foreign matter scraped up by the main brush portion is guided by an opening/closing plate that functions as a foreign matter guide plate, taken into the storage container from the foreign matter intake port, and stored therein. Since the foreign matter is guided to the foreign matter intake port by the opening/closing plate, more foreign matter can be guided into the storage container.

In addition, any foreign matter remaining on the opening/closing plate is stored in the storage container when the opening/closing plate is closed, and the opening/closing plate functions as a cover for the foreign matter inlet, preventing the stored foreign matter from leaking out and increasing the amount of foreign matter left on the opening/closing plate. of foreign matter is stored in the storage container.

The opening/closing plate is opened and closed using a link mechanism, making it easy to operate. After closing the opening/closing plate, the storage container can be removed from the frame body and foreign matter inside the storage container can be discharged to the outside, making the removal work easier. can be done.

(Embodiment) An embodiment of the road sweeper according to the present invention will be described with reference to the accompanying drawings.

As shown in Figure 2 (A) and (B), the road sweeper is
A frame body 1 includes a running part 2 for running on a road surface,
A main brush part 3 that scrapes up foreign matter (hereinafter referred to as dust) such as dust on the road surface, a side brush part 4 that scrapes up dust on the road surface to this main brush part 3, and a side brush part 4 that scrapes up dust on the road surface to the main brush part 3; A dust case 5 as a storage container for storing dust, a control lever portion 6 for operating the operation, and an electrical component section 7 equipped with various electrical systems.
and a water sprinkling section 8 for sprinkling water onto the road surface.

The frame body 1 is provided with a main frame 10, as shown in FIG.
1 and a pair of left and right wheels 12 are attached, and casters 13 are attached to the other end of the main frame 10. Left and right handles 14 for driving are attached to the upper part of the casters 13. A water tank 16 for sprinkling water and an engine 17 as a driving source are mounted on the upper part of the main frame 10, as shown in FIG.

As shown in FIG. 4, in the running section 2, the driving force of an engine 17 is transmitted from an engine pulley 19 to a V-pulley 21 via a V-belt 20. The driving force transmitted to the V-pulley 21 is transmitted to the wheel 12 via a friction transmission mechanism 22 and a speed reduction mechanism 23.

The main brush section 3 is connected to the engine 17 as shown in FIG.
The driving force is transmitted to the V-pulley 26 via the V-belt 25, and the driving force transmitted to the V-pulley 26 is reduced in speed by a reduction mechanism (worm gear mechanism) 27 and transmitted to the main brush 29 via a transmission mechanism 28. be done.

The side brush portion 4 is connected to the engine 17 as shown in FIG.
The driving force from the shaft 32 is transmitted by the bevel gear mechanism 31.
from this shaft 32 to a bevel gear mechanism 33.
The driving force is transmitted to the side brush 34 via.

As shown in FIG. 7, the operating lever portion 6 is provided with an emergency stop lever 37 attached to a panel 36, a clutch lever 38, and a change lever 39. As shown in FIGS. 8 and 9, the electrical component section 7 is equipped with a battery 41, and the battery 41 is connected to an engine switch 42, a meter 43, a flashlight 44, etc. through wiring 45. As shown in FIG. 10, the sprinkler unit 8 includes a sprinkler pump 47 installed in the water tank 16, and a hose 48 connected to the sprinkler pump 47 is connected to a pipe 50 via a stop valve 49. The tip of the pipe 50 is provided with a nozzle 51 for spraying water onto the road surface to prevent dust from flying up. Incidentally, reference numeral 52 indicates a scattering prevention plate that prevents dust from being scattered by the side brush 34, and this scattering prevention plate 52 is held by a scattering prevention arm 53.

The dust case 5 is shown in Figures 1 (A) to (D) and 11.
As shown in the figure, it is formed into a box shape with a dust outlet 55 at the top and a dust intake 56 at the rear side, and is removably engaged with a support rod 58 of the frame body 1 via a hook 57. A handle 59 for handling is attached to the dust case 5 for attaching to and detaching from the frame body 1, and an outlet cover 60 having a handle 59 is attached to the dust outlet 55 so that it can be opened and closed via a hinge 61. It is attached.

An opening/closing plate 63 is provided at the lower end of the dust intake port 56 so as to be openable/closable about an opening/closing plate shaft 64 . The opening/closing plate 63 is in the position shown by reference numeral 63' when the main brush 29 rotates to scrape up dust, and the main brush 2
It functions as a dust guide plate that guides dust from 9 into the dust case 5. At this time, the opening/closing plate 63' is engaged with the support rod 65 provided on the frame body 1,
The state of attachment of the dust case 5 to the frame body 1 is ensured. Further, when the dust case 5 is removed from the frame body 1, the opening/closing plate 63 is in a position to close the dust intake port 56, and functions as a lid for the dust intake port 56.

The opening/closing plate 63 is opened and closed by a link mechanism 66. The link mechanism 66 has an operating lever 68 whose lower part can be swung around a support part 67 on the side surface of the dust case 5, and an operating bar 69 whose one end is integrally fixed to the opening/closing plate 63 by a connecting bar 70. Concatenated. The dust case 5, the operating lever 68, the connecting bar 70, and the operating bar 69 constitute a four-bar rotation chain. The swing of the operating lever 68 is guided by a guide 71, and a spring 72 is provided at the bottom of the guide 71 to maintain the open/closed state. The upper end of the spring 72 engages with a portion of the operating lever 68, and the lower end engages with a retaining portion 73 provided at the lower part of the dust case 5. Note that the upper part of the operating lever 68 is formed so that it can be manually handled. When the operating lever 68 is swung about the support portion 67 as shown by arrow E, the movement is transmitted to the operating bar 69 via the connecting bar 70, and the opening/closing plate 63 is moved together with the operating bar 69 to the opening/closing plate shaft 64. It opens and closes as shown by arrow G centering on .

Next, the effect will be explained.

When the dust case 5 is attached to the frame body 1 and the operating lever 68 is at the position 68', the opening/closing plate 6
3 is opened and located at the position 63', and functions as a dust guide plate. The dust scraped up by the main brush 29 is guided by an opening/closing plate 63' serving as a dust guide plate, taken into the dust case 5 through the dust intake port 56, and stored therein. Since the dust is guided to the dust intake port 56 by the opening/closing plate 63', more dust can be guided into the dust case 5.

Further, the dust remaining on the opening/closing plate 63' is removed from the opening/closing plate 63'.
' is stored in the dust case 5 when closing the opening/closing plate 6.
3 functions as a lid for the dust intake port 56, leakage of the stored dust is prevented, and more dust is stored in the dust case 5. Since the opening/closing plate 63 serves as both a dust guide plate and a cover for the dust intake port, it is functional and can reduce production costs.

Furthermore, since the opening/closing plate 63 is opened/closed by the link mechanism 66, the opening/closing plate 63 can be opened/closed simply by grasping and operating the upper part of the operating lever 68, making it extremely easy to operate. After the opening/closing plate 63 is closed, the dust case 5 can be removed from the frame body 1 and the dust inside the dust case 5 can be discharged to the outside from the dust discharge port 55, thereby facilitating the discharge operation. can.

Note that the link mechanism 66 is not limited to those shown in FIGS. 1A to 1D, and other link mechanisms may be used.

〔Effect of the invention〕

In the present invention, the storage container is removably installed on the frame body, functions as a foreign material guide plate from the main brush part into the storage container when scraping up foreign materials, and functions as a lid that blocks the foreign material intake port when the storage container is removed. Since the present invention includes an opening/closing plate that opens and closes the opening/closing plate and a link mechanism that opens and closes the opening/closing plate, it is possible to store a large amount of foreign matter in the storage container and to easily discharge the foreign matter from the storage container.

[Brief explanation of drawings]

FIG. 1(A) is a configuration diagram showing a storage container provided in an embodiment of the road sweeper according to the present invention, and FIG. 1(B) is a view taken along arrow B in FIG. 1(A). Figure (C) is Figure 1 (A)
1(D) is a view taken from arrow D in FIG. 1(A), FIGS. 2(A) and (B) are overall configuration diagrams showing the above embodiment, and FIG. FIG. 4 is an exploded perspective view showing the running part in the above embodiment. FIG. 5 is an exploded perspective view showing the main brush part in the above embodiment. FIG. 6 is an exploded perspective view showing the main brush part in the above embodiment. FIG. 7 is an exploded perspective view showing a part of the operating lever in the above embodiment. FIG. 8 is an exploded perspective view showing the electrical components in the above embodiment. FIG. FIG. 10 is an exploded perspective view showing the water spraying section in the above embodiment, and FIG. 11 is an exploded perspective view showing the dust case in the above embodiment. DESCRIPTION OF SYMBOLS 1... Frame body, 2... Running part, 3... Main brush part, 4... Side brush part, 5... Dust case, 6... Part of operation lever, 7... Electrical component part, 8... Water spray part, 63゜63'... Opening/closing plate, 66... Link mechanism.

Claims (1)

[Claims] The frame body includes a running section for running on the road surface, a main brush section that scrapes up foreign matter on the road surface, and a side brush section that scrapes up foreign matter on the road surface to the main brush section.
A road sweeper comprising a storage container for storing foreign matter scraped up by the main brush section, wherein the storage container is removably provided on the frame body, and
Equipped with an opening/closing plate that functions as a foreign matter guide plate from the main brush part into the storage container when scraping up foreign matter, and a lid that blocks the foreign matter intake port when removing the storage container, and a link mechanism that opens and closes this opening/closing plate. A road sweeper characterized by: