JPH10181805A - Garbage wagon - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the load efficiency for garbage of a garbage wagon by feeding garbage loaded into its carrier box at the rear to the back thereof. SOLUTION: A garbage wagon has a carrier box 5 installed on a chassis 1 so as to be swung downward, an unloading door 53 arranged at the rear end of the carrier box 5 so as to be freely opened or closed, a lock device 9 for locking or unlocking the unloading door 53, and a loading device arranged at the rear of the carrier box 5 for loading garbage thereinto. The garbage placed on the loading device is fed toward the forward portion of the carrier box 5 by means of a feed means and is then loaded thereinto there. The lock device 9 includes a holder member 95 for holding the unloading door 53 locked while the carrier box 5 is swung.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a garbage collection vehicle for putting garbage into the luggage box from the front and discharging the litter from a discharge door provided at the rear end of the luggage box.

[0002]

2. Description of the Related Art Conventionally, a loading device such as a bucket is provided on a packing box mounted on a vehicle, and the bucket of the loading device is turned upside down while being lifted above the packing box on one side of the packing box. There is provided a garbage collection vehicle that puts the stored garbage into a packing box.

[0003]

However, in the above-mentioned conventional apparatus, dust is loaded from a certain position of the packing box by the loading device, so that the dust is piled up in the packing box, and the dust is piled up. Are not evenly loaded in the packing box,
There was a problem that the loading efficiency was poor.

[0004]

According to a first aspect of the present invention, there is provided a refuse collection vehicle having a packing box mounted on a vehicle frame so as to be tiltable rearward, and a discharge door provided at the rear end of the packing box so as to be openable and closable. The discharge door is provided so as to be secured and released by a lock device, and trash is introduced from the front of the packing box. In the garbage collection vehicle, the locking device includes a discharge door when the packing box is tilted. In a securing position.

According to a second aspect of the present invention, there is provided a refuse collection vehicle, wherein a packing box is mounted on the frame so as to be tiltable rearward, and a discharge door is provided at the rear end of the packing box so as to be openable and closable. Is provided so as to be secured and released by a lock device, while a loading device for loading dust into the packing box is provided behind the packing box, and the dust loaded by the loading device is transferred to the packing box via transfer means. Garbage truck that is loaded from the front of the packing box after being transferred to the front of the packing box, wherein the locking device is provided with a holding member that holds the discharge door at the securing position when the packing box is tilted. It is.

According to a third aspect of the present invention, in the refuse collection vehicle, a processing device for compressing or crushing the refuse is mounted at a front portion of the packing box, and the trash transferred to the front of the packing box by the transfer means. Is processed by the processing device and is put into the front part of the packing box by the transport device.

According to a fourth aspect of the present invention, there is provided a refuse collection vehicle, wherein the packing box is divided into two left and right storage chambers, and a separation device for separating trash is provided between the transfer means and the processing device. The garbage sorted by the sorting device is provided so as to be fed into the left and right storage chambers from the front by the transfer device via the processing device or without the processing device in a separated state. .

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 4 show the overall structure of a refuse collection vehicle according to the second to fourth aspects of the present invention.

This garbage collection vehicle is mounted on a frame (not shown).
For example, it is equipped with a collecting device that collects waste such as empty cans, empty bottles, and combustible waste. In the present embodiment, a description will be given mainly of an example in which dust from aluminum and steel cans is separated and collected.

The collecting device includes an input device 2 for inputting the dust into the collecting device, a sorting device 3 for sorting the dust input by the input device 2, and a device for compressing the dust sorted by the sorting device 3. The apparatus includes a compression device 4 and a packing box 5 for storing dust compressed by the compression device 4.

The sorting device 3 sorts aluminum cans, steel cans, and heavy objects other than aluminum cans and steel cans (for example, bottles, cans filled with contents, etc.) fed by the feeding device 2. And is located at the front center of the vehicle.

As shown in FIG. 5, the sorting device 3 is provided with a supply device 31 for receiving and supplying aluminum cans, steel cans, etc., which are carried in through a chute (transfer means) 7 described later.
Sorting device 3 for sorting aluminum and steel cans
2 and a second sorting device 33 for sorting the heavy objects.

The supply device 31 includes an endless belt 31.
A plurality of transporting pieces 312 are erected on one, and are disposed with the upper part inclined forward. The supply device 31 is configured to be able to circulate and move in the direction of the arrow P shown in FIG. 5. By this movement, aluminum cans, steel cans, and the like are received by the transport pieces 312 and supplied to the upper portion in an aligned state.

The first sorting device 32 includes the supply device 3
Belt conveyor 321 arranged close to the upper end of
And a magnet 322 arranged in the belt conveyor 321
It is composed of Therefore, the first sorting device 32
Is an aluminum can supplied to the upper end of the supply device 31,
Among the steel cans and the like, only the steel can is magnetically attached to the conveyor surface of the belt conveyor 321 by the magnetic force of the magnet 322, conveyed forward in this state, and the steel can is The steel cans are sorted by dropping them. A chute 323 is provided directly below the belt conveyor 321.

The second sorting device 33 comprises a fan (not shown) and a duct 331 for blowing air to the front conveying surface of the supply device 31. Fan to duct 33
1 feeds an empty aluminum can that is supplied by making a U-turn at the upper end of the supply device 31.
Is set to have a wind pressure sufficient to press against the front-side transfer surface of the supply device 31 and to be separated from the front-side transfer surface of the supply device 31 against the wind pressure. ing.

Therefore, aluminum cans other than steel cans, which are conveyed by making a U-turn at the upper end of the supply device 31, resist the wind pressure blown from the duct 331 when passing through the second sorting device 33. And a bottle filled with contents and a container which is separated from the front conveying surface of the supply device 31 and the supply device 3
1 is separated into aluminum cans that pass while being pressed against the front side transport surface. After passing through the second sorting device 33, the aluminum can separates from the front transport surface of the supply device 31.

Below the second sorting device 33, a chute 81 for guiding the bottles and cans filled with contents selected by the second sorting device 33 to the foreign material storage chamber 8, and an aluminum can compression device. 4 is provided.

The chute 4a for guiding the aluminum can communicates with an upper part of a compression device 4 arranged on the front and left side of the vehicle shown in FIG.

The compression device 4 includes a first compression part 41, a second compression part 42, and a third
The aluminum can is compressed by passing through a pair of left and right rollers constituting the first to third compression sections 41 to 43 from above to below at any time.

A discharge chute 44 for discharging the aluminum can compressed by the compression device 4 is provided at the lower end of the compression device 4 configured as described above.

At the discharge port of the discharge chute 44, a transfer device 6 for receiving the aluminum can discharged from the discharge port is arranged.

The transport device 6 is constituted by a plurality of transport pieces 62 erected on an endless belt 61, and is disposed with its upper part inclined backward. This transport device 6
Is configured to be freely circulatingly movable in the arrow Q direction shown in FIG.
With this movement, the compressed aluminum cans are received by the transporting pieces 62 and transported upward.

As shown in FIG. 1, the discharge end, which is the upper part of the transport device 6, is extended so as to protrude above the front part of the packing box 5 disposed behind the compression device 4.

As shown in FIG. 1, the packing box 5 is formed into a left storage chamber 51 and a right storage chamber 52 that are divided into two parts from the center substantially right and left by partitioning plates 5a disposed at the front and rear.

The left storage chamber 51 stores aluminum cans. The aluminum can compressed by the transfer device 6 is transferred to the left storage chamber 51 and stored therein. That is, the discharge end of the transport device 6 is extended and protruded above the front part of the left storage chamber 51.

Further, the packing box 5 is moved by a dump cylinder (not shown) around the hinge 1a at the lower rear portion as shown in FIG.
It is configured to tilt upward as shown in FIG. The charging device 2 and the chute 7 provided on the packing box 5 side tilt together with the packing box 5.

Here, the compression device 4 and the transfer device 6 described above are provided substantially symmetrically on both front sides of the vehicle with the supply device 31 interposed therebetween, and the discharge end of the transfer device 6 is connected to the left storage chamber 51. It is extended so as to protrude above the front part of the right storage chamber 52 for the opposite steel can. That is, the compression device 4 provided on the right side of the vehicle compresses the steel can that is fed from the first sorting device 32 through the chute 323, and transfers the compressed steel can to the right storage chamber by the right transfer device 6. 52.

Also, in the rear part of the left storage chamber 51, FIG.
The charging device 2 is installed as shown in FIG.

The charging device 2 is configured such that a bucket 21 for accommodating an aluminum can, a steel can, and the like can be moved up and down along a post 22 disposed on both sides of the rear surface of a left storage chamber 51 by a driving device (not shown). At an upper position, the bucket 21 is configured to be capable of being inverted by an inversion guide (not shown) as shown by a two-dot chain line in FIG.

A chute 7 for guiding the aluminum can or the steel can, which has been inverted and charged by the charging device 2, to the supply device 31 is disposed above the left storage chamber 51.

As shown by the broken line in FIG.
The rear portion 71 is formed to have a width substantially equal to the horizontal width of the left storage chamber 51, and the front portion 72 is formed to be gradually narrower, and the front end thereof is disposed close to the middle of the supply device 31. .

The bottom 73 of the chute 7 is formed as a sloping surface which is gradually inclined forward so as to smoothly transport the charged aluminum cans, steel cans and the like to the supply device 31 as shown by a broken line in FIG. ing.

The chute 7 guides the aluminum can or the steel can, which has been inverted and charged by the charging device 2 as described above, to the supply device 31 and supplies the aluminum can or the steel can to the first and second sorting devices 32 and 33 by the supply device 31. In this case, it is used as a storage section for temporarily storing an aluminum can, a steel can, and the like in front of the supply device 31.

Further, on the rear surface of each of the left and right storage chambers 51 and 52, a discharge door 53 is provided so as to be openable and closable. The discharge door 53 is a bottom-open type that is opened and closed around its upper end.

As shown in FIG. 7, the lower edge of the discharge door 53 is configured to be freely detachable by a lock device 9 provided at the bottom of the packing box 5.

In the lock device 9, a hook member 91 is detachably provided on a locking pin 53a provided at the lower end of the discharge door 53, and the base end of the hook member 91 is connected to a packing box via a rod member 92. 5 is connected to one end of a bell crank 93 provided at the bottom.

The rod member 92 includes two rods 92.
a and 92b, and a spring 92c interposed between the rods 92a and 92b.
b is allowed to move in the extension direction against the urging force of the spring 92c.

A spring 94 is interposed between the rod 92a and the bottom of the rear end of the packing box 5, and the hook 94 locks the rod member 92 to the locking pin 53a by the spring 94. Biased in the direction.

The other end of the bell crank 93 is connected to the vehicle frame 1
Is provided so as to be able to contact the contact member 11 provided on the vehicle frame 1. When the packing box 5 is disposed horizontally on the vehicle frame 1, the contact between the contact member 11 and the bell crank 93 is indicated by an arrow R. The hook member 91 is locked to the locking pin 53 a of the discharge door 53 by rotating the rod member 92 forward. Further, when the packing box 5 is tilted upward, the other end of the bend crank 93 is separated from the contact member 11 to move the rod member 92 backward by the urging force of the spring 94, and the hook member 91 is It is configured to be separated from 53a.

The hook member 91 and the engaging / disengaging mechanism of the hook member 91 configured as described above are provided on each discharge door 53, and the packing box 5 is tilted upward to open the lower end of each discharge door 53. Thus, each refuse stored in the left and right storage chambers 51 and 52 of the packing box 5 can be discharged.

Here, the hook member 91 provided at the lower end of each of the discharge doors 53 is configured to lock the lower end of the discharge door 53 in a locked state by the holding member 95 regardless of the tilting operation of the packing box 5. Have been.

The holding member 95 is for preventing the rotation of the bell crank 93 in the direction in which the hook member 91 is disengaged from the locking pin 53a (in the direction of the arrow S).
One end of 6 is connected to one end of a bell crank 93 via a mounting member 97 rotatably supported.

The other end of the wire 96 is connected to an actuator such as a cylinder (not shown) provided at the bottom of the packing box 5.
6, one end of the wire 96 is drawn into the other end, and one end of the wire 96 is extended from the other end.

Reference numeral 98 in FIG. 7 denotes a stopper for restricting the rotation of the bell crank 93 in a state where the hook member 91 is locked on the locking pin 53a.

The collecting device constructed as described above is
The side and the front are surrounded by a side wall 55 and a front wall 56, and an opening / closing door 57 (see FIG. 2) is provided at the front of the side wall 56 so as to be openable and closable, facing the sorting device 3. I have.

Reference numeral 58 shown in FIGS. 3 and 4 is a decorative wall provided on the upper rear surface of the collecting device.

Next, the operation of the refuse collection vehicle thus configured will be described.

First, empty cans such as aluminum cans and steel cans are loaded into a bucket 21 arranged at a lower loading position at a collection place or the like where collection is performed. Then, the bucket 21 is raised and inverted, and the empty cans in the bucket 21 are put into the chute 7. The empty cans put into the chute 7 are conveyed to the supply device 31 through the chute 7 and supplied to the upper portion by the supply device 31 while aligning the empty cans.

The empty cans to be supplied to the upper part of the supply device 31 are selected from steel cans by a first sorting device 32, and the steel cans are sent via a chute 323 to a compression device 4 installed on the front right side of the vehicle. After being compressed by the compression device 4, it is conveyed by the conveyance device 6 to the right storage chamber 52.
Is stored in At this time, the discharge end of the transfer device 6 is extended so as to protrude above the front part of the right storage chamber 52, so that the compressed steel can can be reliably transferred into the right storage chamber 52.

Empty cans other than steel cans are conveyed to the second sorting device 33 by making a U-turn at the upper part of the supply device 31, and the second sorting device 33 sorts aluminum cans. The selection of the aluminum cans is performed by passing only the aluminum cans in a state where the aluminum cans are pressed against the front-side transport surface of the supply device 31 by the wind pressure sent from the duct 331.

That is, when passing through the second sorting device 33, heavy objects such as bottles other than aluminum cans are separated from the front conveying surface of the supply device 31 against the wind pressure, and the foreign matter is moved through the chute 81. It is supplied to the storage room 8.

On the other hand, the aluminum can passes through the second sorting device 33 in a state where it is pressed against the front transport surface of the supply device 31, and is sent to the compression device 4 via the chute 4a after passing.
After being compressed by the compression device 4, it is transported by the transport device 6 and stored in the left storage chamber 51. At this time, the discharge end of the transfer device 6 is extended so as to protrude above the front part of the left storage chamber 51, so that the compressed aluminum can can be reliably transferred into the left storage chamber 51.

As described above, the aluminum can and the steel can are compressed and separated and collected into the left storage chamber 51 and the right storage chamber 52. The aluminum can and the steel can are separated from the left storage chamber 51 and the right storage chamber. Since the aluminum can and the steel can are loaded from a predetermined position in the front part of 52, these aluminum cans and steel cans are stacked in a mountain-like manner in front of the left storage chamber 51 and the right storage chamber 52.

Then, when a fixed amount of aluminum can and steel can are loaded in the left storage chamber 51 and the right storage chamber 52, the left and right discharge doors 53, 53 are locked by the locking device 9 by the holding member 95. The packing box 5 is tilted upward while being held.

More specifically, the wire 9 is driven by the actuator.
6 is pulled toward the actuator side, and the bell crank 93 is held in contact with the stopper 98. Accordingly, even if the packing box 5 is tilted upward from the vehicle frame 1 and the other end of the bell crank 93 is separated from the contact member 11, the bell crank 93 is rotated in the direction in which the hook member 91 is separated from the locking pin 53a. Since the movement is prevented by the holding member 95, the packing member 5 is tilted upward while the engaged state is maintained without the hook member 91 being detached from the locking pin 53a.
At this time, the bucket 21 is disposed at the upper reversing input position (see FIGS. 8A to 8F).

As a result, the aluminum and steel cans stored in the left and right storage chambers 51 and 52 move rearward, and a space is created in the front part by this movement. After this, FIG.
As shown in (a) to (e), the packing box 5 is returned to the original position, and the aluminum can and the steel can are put into the front space again to increase the loading efficiency of the aluminum can and the steel can. be able to.

When the aluminum cans and the steel cans loaded on the packing box 5 reach a predetermined amount in this way, the aluminum cans and the steel cans are transported to the recycling plant and discharged therefrom. In this discharge, the aluminum can and the steel can can be discharged individually by individually opening the discharge doors 53 for discharging by releasing the lock of the lock device 9.

More specifically, the wire 9 is driven by the actuator.
6 is extended to the bell crank 93 side, whereby the bell crank 93 is separated from the contact member 11 with the inclination of the packing box 5, and the hook member 9 is biased by the spring 94.
By rotating the hook member 91 in the opening direction, the hook member 91 is separated from the locking pin 53a. Thereby, the discharge door 53 is moved to the packing box 5.
Is opened downward in accordance with the inclination of, and the refuse in each of the storage chambers 51 and 52 is discharged.

Further, the bins and the like stored in the foreign substance storage chamber 8 open the opening / closing door 93 to discharge the foreign substance storage chamber 8 (not shown).
Is taken out by the worker.

In this embodiment, the case of collecting aluminum cans and steel cans has been described. However, the present invention is not limited to the collection of aluminum cans and steel cans. May be.

Also, depending on the type of garbage to be put in,
A crushing device may be mounted instead of the compression device, and crushing may be performed by the crushing device.

Further, in the case where the refuse to be thrown in is sorted in advance, the sorting device may not be provided.

Although the loading device 2 is provided on the left side of the rear end of the vehicle body, it may be provided on the right side, or may be provided on both left and right sides. This makes it possible to increase the input amount by one reversal input by the bucket, thereby improving work efficiency.

Further, the present invention can be applied to all refuse collection vehicles configured to put trash from the front of the packing box.

[0066]

As described above, according to the present invention, when the packing box is tilted, the discharging door is held at the securing position by the holding member of the lock device, so that the packing box can be closed with the discharging door closed. The tilting can be performed, and the dust input from the front of the packing box can be accommodated while being moved rearward by the tilting, so that the loading efficiency of the dust can be improved.

[Brief description of the drawings]

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

FIG. 2 is a side view showing a refuse collection vehicle of the present invention.

FIG. 3 is a plan view showing a refuse collection vehicle of the present invention.

FIG. 4 is a rear view showing the refuse collection vehicle of the present invention.

FIG. 5 is a sorting device and a compression device provided at the front of the vehicle;
FIG. 2 is a side view illustrating a schematic configuration of a transfer device.

FIG. 6 is a side view showing a state where the packing box is tilted upward.

FIG. 7 is a side view showing a configuration of a lock device and a holding member.

FIG. 8 is a diagram illustrating an operation when collecting dust.

FIG. 9 is a diagram illustrating an operation during dust collection.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle frame 2 Input device 3 Sorting device 4 Compression device 5 Packing box 53 Discharge door 6 Transport device 7 Chute (transfer device) 9 Lock device 95 Holding member

Claims (4)

[Claims] 1. A packing box is mounted on a vehicle frame so as to be tiltable rearward, and a discharge door is provided at a rear end of the packing box so as to be openable and closable, and the discharge door is provided so as to be fixed and released by a lock device. In the refuse collection vehicle in which refuse is charged from the front of the packing box, the locking device is provided with a holding member that holds the discharge door at a securing position when the packing box is tilted. Garbage trucks. 2. A packing box is mounted on the vehicle frame so as to be tiltable rearward, a discharge door is provided at the rear end of the packing box so as to be openable and closable, and the discharge door is provided so as to be fixed and released by a lock device. On the other hand, an input device for inputting dust into the packing box is provided behind the packing box, and after the dust input by the input device is transferred to the front of the packing box via the transfer means, A refuse collection vehicle loaded from the front, wherein the lock device is provided with a holding member for holding the discharge door at a securing position when the packing box is tilted. 3. A processing device for compressing or crushing dust is mounted at the front of the packing box, and the dust transferred to the front of the packing box by the transfer means is processed by the processing device and loaded by the transfer device. The refuse collection vehicle according to claim 2, wherein the trash collection vehicle is configured to be put into a front portion of the box. 4. The packing box is divided into two storage chambers on the left and right sides, and a sorting device for sorting trash is provided between the transfer means and the processing device. The trash sorted by the sorting device is provided. 4. The refuse collection vehicle according to claim 3, wherein the garbage collection vehicle is configured to be inserted into the left and right storage chambers from a front portion of the left and right storage chambers by the transfer device via the processing device or without the processing device.