JP2001335108A - Garbage collector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a garbage collector devised to be able to discharge garbage at a rear position separated from a vehicle as much as possible. SOLUTION: The garbage collector on which a drum 3 provided with a spiral blade 9 along the axial direction on an inner peripheral surface is mounted free to rotate on a chassis 1, to deliver garbage input from a rear opening part 10 of the drum 3 to the front in the drum 3 through the blade 9 at the time of normal rotation of the drum 3 and to discharge garbage in the drum 3 outside from the opening part by delivering it to the rear of the drum 3 through the blade 9 at the time of reverse rotation of the drum 3 constitutes its characteristic feature of providing a cover 4 against the rear opening part of the drum, forming an opening window 20 for garbage discharge against the rear opening part on this cover 4, providing a flow guide 7 against the opening window 20 on an outer surface in the rear of the cover 4 and hinge- connecting a cover 43 working doubly as a chute 40 for garbage discharge to an outlet end of this flow guide 7 free to rotate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refuse collection vehicle that crushes general industrial waste or branches and leaves produced by pruning a street tree, stores the crushed leaves in a drum, and discharges the garbage at a predetermined place.

[0002]

2. Description of the Related Art Generally, a garbage collection vehicle for collecting industrial waste and garbage in the form of chips made from the branches and leaves of a street tree has a rotating drum rotatably mounted on a chassis, and an inner peripheral surface of the rotating drum. A helical blade is provided along the direction, and a large amount of dust introduced from the rear opening of the drum when the drum is rotated forward is sent to the front of the drum via the blade to be stored therein.

[0003] Then, after transporting the dust to a predetermined waste place, the drum is reversed at this place, so that the dust in the drum is sent out via a blade and discharged from the rear opening of the drum.

In this case, as a cover provided with a crusher for crushing refuse at the rear of the drum, for example, a refuse collection vehicle as disclosed in Japanese Patent Application Laid-Open No. 8-225101 has been developed.

[0005] In this refuse collection vehicle, a rotary drum is rotatably connected to a chassis, and a cover with a crusher opposed to a rear opening is provided on the drum so as to be openable and closable.

In this garbage collection vehicle, refuse crushed by a crusher is stored in a drum via a blade, and at the time of discharge, the cover is opened and the drum is discharged while discharging the refuse to a predetermined location from the rear opening of the drum. Is what you do.

[0007]

However, when the dust is discharged directly to the ground from the rear opening of the drum as described above, or when the cover with the crusher is opened to discharge the dust, the dust is not discharged from the drum. It is discharged immediately behind and cannot be discharged far away from the vehicle.

[0008] For this reason, for example, when the place where the garbage is discarded is a hole or a hollow, it is necessary to make the vehicle back near the edge of the hole or the hollow, which is dangerous.

Accordingly, an object of the present invention is to provide a refuse collection vehicle capable of discharging refuse to a position as far away as possible from a vehicle.

[0010]

In order to achieve the above object, the present invention is directed to a drum having an inner peripheral surface provided with a spiral blade extending along an axial direction, the drum being rotatably mounted on a chassis. The dust input from the rear opening of the drum is sent forward in the drum through the blade when the drum rotates forward, and the dust in the drum is sent rearward through the blade through the blade when the drum rotates in the reverse direction and discharged from the opening to the outside. In the refuse collection vehicle, a cover is provided opposite to the rear opening of the drum, and an opening window for discharging garbage is formed in the cover opposite to the rear opening, and further, an opening window is provided on a rear outer surface of the cover opposite the opening window. A flow guide is provided, and a lid also serving as a dust discharge chute is rotatably hinged to an outlet end of the flow guide.

In this case, the flow guide has a frame provided with an opening, a chute provided obliquely downward at the lower portion of the frame, a housing covering the frame and the chute, and a viewing window provided at an upper portion of the housing. It is preferable that a lid, which serves as a chute, is hingedly connected to a lower portion of the housing.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
Branches and leaves released by the pruning of the street tree are crushed into chips by a crusher, sent to the drum via a blade and stored,
In addition, it is suitable for discharging after transporting to a predetermined disposal place, but it can also be used for crushing general industrial waste with a crusher, storing it in a drum similarly, and further discharging It is.

As shown in FIG. 1, the refuse collection vehicle according to the present invention includes a storage drum 3 rotatably mounted on a chassis 1 of a vehicle A via a roller 2 in a normal rotation direction or a reverse rotation direction. Inside, a spiral blade extending in the axial direction is provided on the inner peripheral surface in the same manner as a known drum.

A fixed cover 4 is provided facing the rear opening of the drum 3. As will be described later, the fixed cover 4 has a dust input port and an opening window for discharging dust. A crusher is provided at the dust input port, a hopper 6 is provided facing the crusher, and a hopper 6 is provided with a chute 5 serving as a lid and a guide, and a flow guide 7 is provided facing an opening window for discharging dust. Have been.

Thus, for example, the branches and leaves obtained by pruning the street tree are pushed into the hopper 6 by opening the chute 5 and crushed into chips by a crusher. After being transported to a predetermined place, the refuse stored in the drum 3 is turned around, the drum 3 is reversed, sent out to the opening window side by the blade, and then discharged outside through the flow guide 7. I have.

Hereinafter, the structure of each mechanism will be described in detail with reference to FIGS. 2 to 4. The chassis 1 of the vehicle A is provided with a pair of rollers 2, 2 on which a support ring is provided. The drum 3 is rotatably mounted in the normal rotation direction and the reverse rotation direction through the rotary shaft 8.

As is well known, the drum 3 is provided with helical blades 9 along its axial direction on its inner peripheral surface so that the blades 9 can feed dust forward or backward when the drum 3 rotates. I have to.

At the center of the rear opening 10 of the drum 3, a sheet pipe 12 having a blade 11 on the inner periphery is integrally provided. A bracket 13 orthogonal to the chassis 1 is fixed to the chassis 1, and an annular support frame 14 is fixed to the bracket 13 via brackets 15, 15.
The support frame 14 is a frame 14 having a U-shaped cross section which is divided into two.
A projecting ring 16 formed at the rear of the drum 3 is rotatably fitted in the frame 14a.

An annular seal 17 made of rubber or the like is fixed to the front outer surface of the frame body 14a via a stopper and an annular pressing plate 18 so as to prevent dust and the like in the drum 3 from leaking to the outside.

A plate-shaped fixed cover 4 facing the opening 10 of the drum 3 is fixed to the rear outer surface of the frame 14a via a stopper such as a bolt, and the opening 10 of the drum 3 is fixed by the fixed cover 4. Sealed.

The fixed cover 4 is provided with a lower dust inlet 19, an upper left dust opening window 20 for discharging dust, and an upper viewing window 21 which are opposed to the inside of the drum 3. The viewing window 21 is an opening for inspecting the inside of the drum 3, and is usually closed by a cap 22.

A frame 24 provided with two upper and lower screwers 23 is inserted into the dust inlet 19 and is connected thereto.
A seal 26 supported by a holding plate 25 is provided on the outer periphery of the holding member 25. Further, a crusher 29 provided with two upper and lower cutters 27 and 28 is disposed behind the screver 23.

The crusher 29 includes a frame 30, cutters 27 and 28 provided above and below the frame 30, and a motor 31 for rotating the shafts of the cutters 27 and 28, and the frame 30 is mounted on the chassis 1. Fixed.

Further, a hopper 6 is provided at the rear of the crusher 29 so as to be able to move up and down in opposition to the crusher 29. For this reason, when the pruned leaves and the like are manually pushed into the crusher 29 from the hopper 6 through the chute 5, the cutters 27 and 28 of the crusher 29 crush the branches and leaves into chips and push them out toward the screver 23. The chips on the screver 23 are successively sent into the sheet pipe 12 through the input port 19, and are stored while being compressed in front of the drum 3 by the blade 9 with the forward rotation of the drum 3.

The hopper 6 has a tapered cylindrical body 32, an opening 33 formed in front of the cylindrical body 32, an opening 34 formed in the rear, and a hinge 35 at the lower rear end of the cylindrical body 32.
And a chute 5 which also serves as a guide, which is rotatably connected to the lid through a lid. The hopper 6 is connected via a bracket b to a column P that normally stands on the chassis 1 side.

Further, a bracket 36 is provided downward on the lower surface of the cylindrical body 32 of the hopper 6, and the bracket 36 is rotatably hinged to a leg 37 provided on the chassis 1, whereby the hopper 6 The whole is mounted on the chassis 1 so as to be able to undulate.

The hopper 6 may be provided so as to face the crusher 29. However, the hopper 6 is provided so as to be able to be raised and lowered for the purpose of inspecting the crusher 29. I can do it.

Further, the cylindrical body 32 of the hopper 6 may be short, but in the case of dust longer than ordinary dust, such as pruned branches, there is a possibility that the dust may protrude from the hopper 6. It is preferable to lengthen the part main body 32.

On the other hand, when the cylindrical body 32 is long, there is a problem that the hand cannot be reached when the branch or the like is manually pushed into the crusher 29 side. Therefore, in the present invention, when the cylindrical portion main body 32 is formed to be short and the chute 5 is hingedly connected to the cylindrical portion main body 32, usually, when the chute 5 seals the entrance of the cylindrical portion main body 32 and inserts a branch or the like. Rotates the chute 5 to the horizontal position as shown in FIG. 4 and guides branches and the like using the chute 5 as a guide.
Branches are prevented from falling to the ground. Further, when the branches and the like are pushed into the cylinder main body 32 as required, the cylinder main body 32 can be manually pushed deeper by the short length.

Next, the flow guide 7 comprises a rectangular frame 39 having an opening 38, a chute 40 provided diagonally downward below the frame 39, a frame 39 and the chute 4.
And a housing 41 fixed over the housing 4
1 is provided with a lid 42 for a viewing window provided on the upper part of the apparatus 1, and a lid 43 serving as a discharge chute is provided below the housing 41 via a hinge.

The frame 39 is fixed to the outer surface of the fixed cover 4, and the opening 38 faces the opening window 20 of the fixed cover 4. With this, the lid 43 is rotated downward through the hinge and opened, and when the drum 3 is reversed, dusts such as chips in the drum 3 are pushed out by the blade 9 and the opening window 20 is opened.
-It is discharged to the outside through the opening 38-the chute 40-the lid 43.

By providing the lid 43 in the flow guide 7, chips and the like can be discharged smoothly and uniformly, and the chips and the like can be led out to the rear of the vehicle by the length of the lid 43. For example, the vehicle can be stopped at a position far from the edge of the refuse disposal site composed of a large hole or the like, and the risk of the vehicle slipping into the hole by mistake can be prevented.

Further, the housing 41 has an effect of preventing dust and the like from being scattered outside, and is preferable in appearance.

[0034]

According to the present invention, the following effects can be obtained.

(1) According to the first and second aspects of the present invention, a lid is provided at the outlet end of the flow guide, which also serves as a chute for discharging dust. In addition, dust caused by dust in the flow guide is prevented from scattering outside. In particular, when the dust is discharged, the lid is opened and extended horizontally so that the dust can be guided by the lid and transferred to a position farther from the drum. Therefore, for example, when the waste disposal site is a hole, a depression, or a valley, the vehicle can be stopped at a position away from the edge of the hole or the like, which is safe. In other words, according to the present invention, dust can be discharged irrespective of the shape and position of the disposal place.

(2) According to the second aspect of the present invention, since the opening window on the cover side is covered with the flow guide, dust of the dust in the drum is prevented from being scattered to the outside, and a predetermined amount of dust is prevented. Can be guided in the direction to discharge. Further, the plug in the flow guide can be easily opened by opening the viewing window.

[Brief description of the drawings]

FIG. 1 is a perspective view of a refuse collection vehicle according to the present invention.

FIG. 2 is an exploded perspective view of the refuse collection vehicle according to the present invention.

FIG. 3 is an enlarged rear view of a part of a birch in the refuse collection vehicle of FIG.

FIG. 4 is an enlarged front view of a hopper in the refuse collection vehicle of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Chassis 3 Drum 4 Cover 7 Flow guide 9 Blade 10 Opening 20 Opening window 38 Opening 39 Frame body 40 Chute 41 Housing 42 Viewing window lid 43 Lid

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B65G 33/12 B65G 33/12

Claims (2)

[Claims] A drum provided with a spiral blade extending along an axial direction on an inner peripheral surface thereof is rotatably mounted on a chassis, and dust introduced from a rear opening of the drum is passed through the blade when the drum rotates normally. In the garbage truck that sends the dust inside the drum to the rear of the drum via the blade when the drum rotates in the reverse direction and discharges the dust outside through the opening, a cover is provided facing the rear opening of the drum, An opening window for discharging dust facing the rear opening portion is formed on the cover, and a flow guide facing the opening window is further provided on a rear outer surface of the cover, and a chute for discharging dust is provided at an outlet end of the flow guide. A refuse collection vehicle characterized in that a lid that doubles as a hinge is rotatably hinged. 2. A frame having an opening provided by a flow guide, a chute provided obliquely downward at a lower portion of the frame, a housing covering the frame and the chute, and a view window provided at an upper portion of the housing. The refuse collection vehicle according to claim 1, wherein a lid serving as a chute is hingedly connected to a lower portion of the housing.