JP4290931B2 - Garbage truck - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a garbage collection vehicle for collecting garbage.
[0002]
[Prior art]
Conventionally, as shown in Japanese Patent No. 3245301, as a garbage collection vehicle, an input port is formed above the rear part of the dust storage box, and a rear end discharge port of the dust storage box is opened and closed by a discharge door. There is provided a reversal charging device provided at the rear end of the dust storage box which is configured to be able to be raised and lowered and turned up and down so as to face the input port of the dust storage box. Then, the garbage container was moved up and down and inverted so that the garbage was accommodated in the garbage storage box through the insertion port.
[0003]
An opening / closing cover that covers the charging opening is provided at the charging port of the garbage collection vehicle so that the garbage container abuts on the lower surface of the opening / closing cover when the garbage container is reversed. By forcibly opening upward against the urging force of the trash, the trash in the trash container is thrown into the trash storage box from the inlet.
[0004]
[Problems to be solved by the invention]
However, in the case where the opening / closing cover is opened using the reversing operation of the trash container as in the conventional case, the contact with the opening / closing cover every time the trash container is reversed. As a result, the spring that urges the opening / closing cover in the closing direction quickly extends and maintenance work such as periodic replacement is difficult. In addition, there is a problem that noise generated when the garbage container comes into contact with the opening / closing cover adversely affects the surroundings. Furthermore, in the long term, deformation of both of them is inevitable due to the contact between the garbage container and the opening / closing cover.
[0005]
[Means for Solving the Problems]
The garbage collection vehicle of the invention according to claim 1
On the vehicle body frame, there is mounted a dust storage box having an input port formed at the rear upper part and a discharge port at the rear end, and a garbage container is placed at the rear end of the dust storage box up to a position facing the input port. In a garbage collection vehicle provided with a reversing and throwing device that is lifted and reversed, an opening / closing cover can be arranged at the closing port at a closed position where the actuator is closed and an open position where the opening is opened upward. It can be opened and closed like
A control device for controlling the reversal charging device, the actuator, and the scraping device, wherein the scraping device is provided with a scraping unit capable of scraping the dust charged in the charging port and operable to scrape the dust charged into the charging port. When,
A loading switch that opens and closes the open / close cover and activates the scraping device in conjunction with the raising and lowering operation of the garbage container, and a cover opening and closing switch that opens and closes the opening and closing cover independently of the raising and lowering operation of the garbage container are provided. By operating the loading switch, the control device outputs an operation signal to the actuator to open the open / close cover, and outputs an operation signal to the reversing and charging device to activate a dust throwing operation by a garbage container. The garbage container that has risen from the garbage input position is inverted so that it faces the input port, and further, an operation signal is output to the scraping device and the scraping operation by the scraping unit is activated to stir the thrown-in garbage. , along with lowering the dust container after dust on, a configuration closing the cover, the control device, the operation from the cover close switch It is obtained by outputting an actuation signal to the actuator configured to actuate the opening and closing operation of the upper cover alone based on No..
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0007]
1 and 2 show a garbage collection vehicle.
[0008]
In the figure, reference numeral 1 denotes a dust storage box mounted on a vehicle body frame. A hinge (not shown) is provided at the rear bottom of the dust storage box 1 by a dump cylinder (not shown) disposed between the dust storage box 1 and the vehicle body frame. (Omitted) is tiltable upward.
[0009]
Although not shown, the dust container box 1 is divided into four storage chambers 1a by three partition plates arranged in the front-rear direction.
[0010]
In addition, in the upper part of the rear portion of the storage chamber 1a, there are formed inlets 5a, 5b, 5c, and 5d for separately putting dust into the storage chamber 1a. Chutes 12a, 12b, 12c, and 12d are respectively disposed in the charging ports 5a, 5b, 5c, and 5d to guide the trash introduced by the reversal charging device 2 described later to a substantially central portion in each storage chamber 1a. ing.
[0011]
Further, as shown in FIG. 3, discharge ports 6 are respectively formed at the rear ends of the storage chambers 1 a corresponding to the storage chambers 1 a, and these discharge ports 6 are connected to the upper hinge 62 by the discharge door 61. It can be opened and closed independently at the center.
[0012]
The lower end of each discharge door 61 is controlled to be opened and closed by an opening / closing mechanism (not shown). This opening / closing mechanism is similar to a known automatic opening / closing device used in a dump truck or the like, and is configured to open from the lower end side of the discharge door 61 around the upper hinge 62 as the refuse storage box 1 tilts. ing. In addition, each discharge door 61 is comprised so that only the arbitrary discharge door 61 can be opened and closed by the control apparatus which is not shown in figure.
[0013]
A reverse charging device (dust loading device) 2 is provided at the rear end of the dust container 1. The reverse charging device 2 lifts and reverses a garbage container A having a width substantially the same as the horizontal width of the dust container box 1 from the vicinity of the ground to the upper part of the dust container box 1, and is configured as follows.
[0014]
Posts (posts) 21 are erected on both sides of the rear end of the refuse storage box 1, and the upper ends of these posts 21 are arranged to be inclined forward of the vehicle body.
[0015]
As shown in FIG. 1, an upper sprocket 21a and a lower sprocket 21b are provided above and below the post 21, and a chain 21c is wound between the upper sprocket 21a and the lower sprocket 21b.
[0016]
The middle part of the chain 21c is connected to both side parts of the garbage container A, and one end of an arm 22 is connected to the connecting part via a lifting roller 23.
[0017]
The elevating roller 23 is fitted so as to roll up and down along a hoistway 24 formed in the post 21.
[0018]
A guide roller 26 is provided at the other end of the arm 22 so as to be able to roll along a guide path 25 formed in front of the hoistway 24 in the post 21. The upper part of the guide path 25 is gradually curved in a substantially bowl shape, and the guide roller 26 moves upward along the guide path 25 and is guided to the upper part of the guide path 25 where the curve is formed. The garbage container A is inverted at the upper position.
[0019]
The garbage container A is formed with four accommodating portions A1, A2, A3, A4 corresponding to the respective accommodating chambers 1a.
[0020]
Accordingly, the lower sprocket 21b is rotated by the drive motor 75 (see FIG. 7) to drive the chain 21c, and the lifting roller 23 and the guide roller 26 together with the dust container A are moved upward along the lifting path 24 and the guide path 25. As a result, the guide roller 26 is guided to the upper curved portion of the guide path 25, and the elevating roller 23 is disposed at the upper end of the post 21 along the elevating path 24. The positional relationship between the upper and lower sides is reversed, whereby the storage portions A1, A2, A3, and A4 of the trash container A can be reversed to the positions facing the input ports 5a, 5b, 5c, and 5d of the storage chambers 1a.
[0021]
Further, a cover 3 is disposed at the rear of the dust container 1. As shown in FIG. 2, the cover 3 includes a side cover 31 that covers both sides of the dust container box 1, a rear cover 32 that covers the rear end surface of the dust container box 1, and input ports 5 a to 5 d of the dust container box 1. The upper cover 33 serving as an opening / closing cover is configured to substantially entirely cover the trajectory when the garbage container A is raised and lowered.
[0022]
The rear cover 32 is disposed so as to cover substantially the upper half of the rear surface of the dust container 1, thereby covering the rear upper part of the reversing and charging device 2. By covering the rear upper part of the reversing and charging device 2 with the rear cover 32, it is possible to prevent injuries due to the contact between the garbage container A and the operator during the raising and lowering operation of the garbage container A.
[0023]
Specifically, as shown in FIG. 4, the upper cover 33 has a front edge supported by a hinge so as to be freely opened and closed. Further, an operating arm 35 is suspended from the front end of the upper cover 33, and a telescopic rod of an open / close cylinder 36 as an actuator is connected to the tip of the operating arm 35. Therefore, by operating the open / close cylinder 36 to extend / contract, the upper cover 33 can be disposed at the closed position where the inlets 5a to 5d are closed and the open position where the upper cover 33 is opened upward.
[0024]
Further, a scraping device 4 is provided on the upper surface of the dust container 1.
[0025]
As shown in FIGS. 5 and 6, the scraping device 4 includes a scraping main body 41 having a predetermined width in the width direction of the dust container 1 and a scraping main body having the same width as the scraping main body 41. The rear end of the part 41 is composed of a scraping part 42 supported by a hinge 41a so as to be rotatable up and down.
[0026]
Rollers 43 are provided at appropriate positions on both the left and right sides of the raking body 41 and the raking 42, and rollers 44 are provided on the left and right sides of the raking body 41. It is arranged so as to be able to roll along guide rails 46 and 47 (see FIG. 5) arranged on the left and right of the upper part of the dust container 1.
[0027]
A scraping cylinder 45 shown in FIG. 6 is connected between the upper front portion of the dust storage box 1 and the stirring portion 42, and the scraping main body portion is expanded by the expansion and contraction operation of the scraping cylinder 45. 41 and the smoothing portion 42 are slid back and forth along the guide rails 46 and 47 while being prevented from moving horizontally and laterally by the guide rails 46 and 47.
[0028]
Further, as shown in FIG. 1, the rear end portion of the guide rail 46 is bent upward, and the stiffening portion 42 of the stirrer 4 is guided to the bent portion 46a, whereby the stiffening portion 42 is provided. Is arranged at a position above the inlets 5a, 5b, 5c, and 5d indicated by a two-dot chain line in FIG.
[0029]
As shown in FIG. 6, the leveling portion 42 includes a support portion 421 that is supported by the scraping main body portion 41 so as to be pivotable up and down via a hinge 41a, and a downward direction from the tip of the support portion 421. The refracting portion 425 extends and refracts forward against the biasing force of a spring (not shown).
[0030]
That is, when the force applied to the refracting portion 425 is forwarded, the refracting portion 425 is refracted forward against the urging force of the spring.
[0031]
FIG. 7 shows a control system of the garbage collection vehicle configured as described above.
[0032]
In FIG. 7, reference numeral 71 denotes an operating device, and this operating device 71 is provided at an appropriate place, a driver's seat, etc. of the refuse storage box 1, and includes a loading switch 72, a cover opening / closing switch 73, a discharge switch (not shown), and the like. It has.
[0033]
Operation signals from the loading switch 72 and the cover opening / closing switch 73 are output to the control device 74.
[0034]
The control device 74 outputs an operation signal to the drive motor 75 based on the operation signal from the loading switch 72 to operate the dust throwing operation by the garbage container A, and also outputs an operation signal to the open / close cylinder 36 to output the upper cover. The opening / closing operation 33 is operated, and an operation signal is output to the scraping cylinder 45 so that the scraping operation by the scraping device 4 is actuated. Further, the control device 74 outputs an operation signal to the open / close cylinder 36 based on an operation signal from the cover open / close switch 73 so that the open / close operation of the upper cover 33 is independently operated.
[0035]
Next, the operation of the garbage collection vehicle configured as described above will be described.
[0036]
During traveling, the trash container A is disposed in the middle of the post 21 indicated by a solid line in FIG. 1, and the leveling portion 42 of the scraping device 4 is disposed at a front position indicated by a one-dot chain line in FIG. .
[0037]
When collecting garbage, first, by operating the loading switch 72, the drive motor 75 is operated to place the garbage container A at the lowest dust input position [see FIG. 8 (a)]. ] According to the predetermined type of garbage, the garbage is sorted and collected in the accommodating parts A1, A2, A3, A4 of the garbage container A, and the garbage in the accommodating parts A1, A2, A3, A4 of the garbage container A is collected. When the amount reaches a predetermined amount, the trash charging operation of the trash container A by the reverse charging device 2 is started.
[0038]
In the dust throwing operation of the dust container A by the reversing throwing device 2, when the operator operates the loading switch 72 once again, first, the open / close cylinder 36 is actuated, as shown in FIG. 33 is opened. Thereafter, the drive motor 75 is operated to raise the garbage container A as shown in FIG. 8C, whereby the guide roller 26 is guided to the curved upper portion of the guide path 25, and the garbage container A Each storage portion A1, A2, A3, A4 is inverted so as to face the input ports 5a, 5b, 5c, 5d of the respective storage chambers, so that the dust in each of the storage portions A1, A2, A3, A4 is input to the input ports 5a, 5b. , 5c, and 5d through the respective chutes 12a, 12b, 12c, and 12d while being guided to a substantially central portion, and separated and accommodated in the respective accommodation chambers 1a.
[0039]
When the trash in the trash container A is put into each storage chamber 1a in this way, the scraping cylinder 45 is then extended to move the leveling portion 42 of the scraping device 4 from the front position to the rear position. The scraping cylinder 45 is retracted and reciprocated from the rear position to the front position again (see FIG. 8D). Thus, the top part of the trash piled in each storage chamber 1a by this stirring part 42 by reciprocating the stirring part 42 between the front position and the rear position once. Garbage can be stored in each storage chamber 1a while leveling.
[0040]
Thereafter, as shown in FIG. 8 (e), the garbage container A is lowered and placed again at the dust input position, and then the upper cover 33 is closed as shown in FIG. 8 (f).
[0041]
The operations shown in FIGS. 8A to 8F described above are performed as one cycle for each inversion operation of the trash container A.
[0042]
Thus, by performing the reversing operation of the trash container A and the opening / closing operation of the upper cover 33, the trash container A and the upper cover 33 can smoothly throw in the dust without interfering with each other. As a result, it is possible to eliminate problems such as early parts replacement and deformation associated with the contact between the garbage container A and the opening / closing cover as in the prior art.
[0043]
And the waste accommodated in each accommodation chamber 1a in this way is the discharge door 61 which accommodated the waste to be discharged out of each discharge door 61 in a state where the reversing and charging device 2 is arranged at the upper reverse position. Is opened with the upper hinge 62 as the center, and the dust container 1 is tilted upward, whereby dust is discharged from the opened discharge door 61. In this way, by selectively opening each discharge door 61 one by one sequentially, it is possible to discharge the dust in each storage chamber 1a in a separated state.
[0044]
Further, in the case of maintenance work or the like, by operating the cover opening / closing switch 73, the control device 74 can operate the opening / closing cylinder 36 to open / close the upper cover 33 regardless of the lifting / lowering operation of the garbage container A.
[0045]
That is, the control system described above includes an automatic opening / closing means for opening / closing the upper cover 33 in conjunction with the raising / lowering operation of the garbage container A, and a single operation for opening / closing the upper cover 33 independently regardless of the raising / lowering operation of the garbage container A. And an opening / closing means.
[0046]
In the present embodiment, the microcomputer controls the loading operation and the like. However, the same control as described above can be performed by a sequence circuit.
[0047]
Further, the upper cover 33 may be divided and provided corresponding to the number of the insertion ports 5a to 5d, and each actuator may be opened and closed by controlling the operation of each actuator by the control device. it can. As a result, for example, when any of the storage chambers 1a is filled with garbage, the other division covers are opened with the division cover provided at the inlet of the storage chamber 1a closed without being opened. Then, garbage can be put into the storage chamber 1a.
[0048]
【The invention's effect】
As described above, according to the garbage collection vehicle of the present invention, the opening and closing cover is opened and closed by operating the actuator in conjunction with the lifting and lowering operation of the garbage container by the loading switch. Garbage can be thrown in smoothly without interfering with each other. As a result, it is possible to eliminate problems such as early parts replacement and deformation associated with the contact between the garbage container and the opening / closing cover as in the prior art.
[0049]
In addition, since the open / close cover can be opened / closed regardless of the lifting / lowering operation of the garbage container by the cover open / close switch, the operation can be smoothly performed and convenient for maintenance.
[Brief description of the drawings]
FIG. 1 is a partially cutaway side view showing a schematic configuration of a garbage collection vehicle.
FIG. 2 is a perspective view showing a rear portion of a packing box of the garbage collection vehicle.
FIG. 3 is a partially cutaway side view showing the vicinity of the discharge port at the rear end of the cargo box with the reversing mechanism omitted.
FIG. 4 is a side view showing an upper cover.
FIG. 5 is a side view showing the configuration of the scraping device.
FIG. 6 is a plan view showing a configuration of a scraping device.
FIG. 7 is a block diagram showing a control system of the garbage collection vehicle.
FIG. 8 is a diagram for explaining the operation of the garbage collection vehicle.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Dust storage box 2 Reversal throwing device 3 Cover 33 Upper cover (open / close cover)
36 Open / close cylinder (actuator)
A Garbage container

Claims (1)

On the vehicle body frame, there is mounted a dust storage box having an input port formed at the rear upper part and a discharge port at the rear end, and a garbage container is placed at the rear end of the dust storage box up to a position facing the input port. In a garbage collection vehicle equipped with a reversing and throwing device that moves up and reverses,
An opening / closing cover is provided at the insertion port so as to be freely opened and closed so that it can be disposed at a closed position where the actuator is closed by the actuator and an open position where the opening is opened upward .
The charging port is provided with a scraping device having a leveling unit that can be operated to scrape the dust charged into the charging port ,
A control device for controlling the reverse charging device, the actuator and the scraping device;
A loading switch that opens and closes the opening and closing cover and operates the scraping device in conjunction with the lifting and lowering operation of the garbage container,
A cover opening / closing switch that opens and closes the opening / closing cover independently of the lifting / lowering operation of the trash can is provided.
By operating the loading switch, the control device outputs an operation signal to the actuator to open the opening / closing cover, and outputs an operation signal to the reversing and charging device to operate a dust throwing operation by a garbage container. Reversing the garbage container that has risen from the loading position so as to face the loading port, further outputting an operation signal to the scraping device and actuating the scraping operation by the stirring section, to stir the thrown-in garbage The garbage container after being thrown in is lowered and the opening / closing cover is closed.
The control device is configured to output an operation signal to the actuator based on an operation signal from the cover opening / closing switch so as to independently operate the opening / closing operation of the upper cover .

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