JPH08337302A - Rubbish/garbage collecting vehicle - Google Patents

Abstract

PURPOSE: To provide a rubbish/garbage collecting vehicle which is equipped with a rubbish box having a sufficient accommodation ability, allows lightweight construction of its push-in device, and can enhance the efficiency of the processing operation for the collected rubbish. CONSTITUTION: A rubbish/garbage collecting vehicle is equipped with a rubbish box 1 having an opening la in the rear and mounted on the vehicle and a tail gate having a rubbish cast-in hole 3 in the rear and installed at the opening 1a, and at the tail gate a push-in device 5 is furnished which is fitted with a push-in plate 21 to feed in the rubbish cast in from the hole 3. A crushing machine 6 is installed near the cast-in hole 3, and the rubbish crushed by the machine 6 is fed to the rubbish box 1 by the push-in plate 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called packing box type refuse collecting vehicle, and more specifically to a refuse collecting machine equipped with a pushing device for feeding the refuse thrown into the refuse storing box into the refuse storing box. It's about cars.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 14, a packing box type refuse collecting vehicle of this type has a pushing plate 121 and a rotating plate 122.
And a garbage collection vehicle equipped with the pushing device 105, and
As shown in FIG. 15, a dust collecting vehicle equipped with a pushing device 105 ′ having a pushing plate 121 ′ which is rotatable up and down has come into wide use.

In a dust collecting vehicle as shown in FIG. 14, a rotary plate 122 is rotatably attached to a frame 102a of a tailgate 102, and a pushing plate 121 swingable in the front-rear direction is provided above the rotary plate 122. The configuration installed on the
The rotary plate 122 scrapes up the dust in the tailgate 102 that is thrown in through the dust throwing port 103, and the dust scraped up by the rotary plate 122 is pushed into the dust storage box 101 by the pushing plate 121 to store the dust in the dust. It was to be housed in Box 101.

Further, in the dust collecting vehicle as shown in FIG. 15, a pushing plate 121 'is a movable plate which is movable up and down in the tailgate 102'.
140 'and is pivotally connected to a rotating cylinder 144' pivotally mounted on the movable plate 140 ', and the pushing plate 121' scrapes up the dust in the tailgate 102 'and the dust storage box 101. It consists of sending it to '. That is, the pushing plate 121 'lowered by the lowering of the movable plate 140' swings up the dust thrown in through the dust throwing port 103 'to the front side by the extension of the turning cylinder 144', and raises the movable plate. The pushing plate 121 ′ moves upward due to the rise of 140 ′, sends the dust to the dust storage box 101 ′, and stores the dust in the dust storage box 101 ′.

[0005]

However, in any of the above refuse collecting vehicles, since the dust thrown in through the dust throwing port 103 is sent to the dust storing box 101 by the pushing plate 121 in the same shape, it is possible to use wood or Push-in plate when collecting dust with a certain shape such as plastic products
Even if the dust is compressed and sent by 121,
There is a problem in that the dust cannot be sufficiently compressed only by pressing the pushing plate 121, and there are many voids between the stored dust, so that the dust storage box 101 cannot sufficiently exhibit its storage capacity.

In addition, in order to compress and feed dust with the pushing plate 121, the mechanical strength of the pushing plate 121 is required, which causes a problem that the weight of the pushing device 105 becomes large. .

Further, when the refuse collected by the above-mentioned refuse collection vehicle is to be landfilled or reused, it is necessary to treat the dust with a crusher or a cutting machine at the disposal site or factory, and especially the landfill disposal. In this case, the maximum diameter of dust must be approximately 15 cm or less according to laws and regulations. Therefore, a lot of labor and equipment are required for the treatment process in factories, etc., resulting in poor work efficiency and treatment cost. It also had the problem of becoming expensive.

Therefore, the present invention has been made in order to solve such a problem, and can fully exhibit the storage capacity of the dust storage box, and can also reduce the weight of the pushing device. Moreover, it is an object of the present invention to provide a dust collecting vehicle that can also improve the efficiency of the processing operation of the collected dust.

[0009]

[Means for Solving the Problems] In order to solve the above problems,
The refuse collection vehicle according to the present invention has a refuse storage box 1 having an opening 1a at the rear and mounted on a traveling vehicle D, and a dust input port 3 at the rear at the opening 1a of the dust storage box 1. A dust collection vehicle comprising a tailgate 2 attached to the tailgate 2, the pushing device 5 having a pushing plate 21 for feeding the dust thrown from the dust throwing port 3, Crusher 6 near tailgate 2 dust entrance 3
And the pushing plate 21 feeds the dust crushed by the crusher 6 into the dust storage box 1.

Further, in the dust collecting vehicle according to the present invention, as described in claim 2, the crushing machine 6 is provided with the crushing blades 16a, 16b which are arranged in parallel with each other and face each other in the dust discharging port 3, and which engage with each other. , 16b
It is also possible to configure each of the two crushing shafts 17a and 17b that rotate.

Further, as described in claim 4, the crusher 6
Can be composed of a rotatable cylindrical crushing rotor 26, a crushing blade 28 attached to the crushing rotor 26, and a fixed blade 27 for crushing between the crushing blade 28.

[0012] Further, as described in claim 6, the tailgate
It is also possible to form two or more dust feeding ports 3 and 4 in 2 and to provide a crusher 6 in the vicinity of at least one dust feeding port 3.

[0013]

In the dust collection vehicle according to the present invention, the crusher 6 is provided near the dust entrance 3 of the tailgate 2, and the dust crushed by the crusher 6 is pushed into the dust storage box by the pushing plate 21.
Since it is configured to be sent to 1, the dust thrown from the dust throwing port 3 is first crushed by the crusher 6, and the crusher 6
The dust that has been crushed by is dropped into the tailgate 2, and the pushing plate 21 sends the dust in the tailgate 2 into the dust storage box 1 to store the crushed dust in the dust storage box 1. That is, in the dust collecting vehicle according to the present invention, since the pushing plate 21 sends the dust that has been crushed by the crusher 6 into the dust storage box 1, even if the dust is relatively large, the pushing plate 21 can be accurately moved. It is possible to send the dust in the dust storage box 1 in a close state even if the dust is a fixed shape such as wood or plastic products.

Further, as described in claim 2, the crusher 6 is
The crushing blades 16a, which are arranged in parallel facing each other facing the dust input port 3 and mesh with each other,
16b and the two crushing shafts 17a, 17b that rotate the crushing blades 16a, 16b, respectively.
Two crushing shafts when crushing dust thrown in from
The dust can be smoothly crushed by the biaxial crushing blades 16a, 16b rotated by 17a, 17b.

Further, as described in claim 4, the crusher 6
Is composed of a rotatable cylindrical crushing rotor 26, a crushing blade 28 attached to the crushing rotor 26, and a fixed blade 27 for crushing between the crushing blade 28.
Replacing 26 itself or crushing blade 28 attached to crushing rotor 26
The number of times of crushing per one rotation of the crushing rotor 26 can be increased by exchanging the.

Further, as described in claim 6, the tailgate
If two or more dust input ports 3 and 4 are formed in 2 and at least one dust input port 3 is provided near the crusher 6, the operator selects the dust input port by inputting after determining the type of dust. By doing so, one crusher 6 is not overloaded. For example, the tailgate 2 has two dust inlets 3,
4 is formed and the crusher 6 is installed only on one of the dust input ports 3, the dust that needs to be crushed is input to the dust input port 3 on the side where the crusher 6 is installed, and crushing is unnecessary. For dust, the dust inlet on the side where the crusher 6 is not installed
By putting it in 4, the use of the crusher 6 can be minimized, and the efficiency of collection work can be improved. In addition, the crusher 6, ...
When a plurality of units are provided in the ..., the dust can be crushed by the crusher 6 suitable for the property of the dust, and an excessive load is not applied to one crusher 6.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the refuse collection vehicle according to the present invention will be described below with reference to FIGS. 1 to 13.

<First Embodiment> First, as shown in FIGS. 1 to 6, an example will be described in which a dust collection vehicle is equipped with a biaxial type crusher 6. The dust collecting vehicle of this embodiment is mounted on a traveling vehicle D and has a dust storage box 1 having an opening 1a at the rear, an opening 1a of the dust storage box 1 that can be opened and closed, and a dust insertion port 3 at the rear. 4 and a tailgate 2 with a pushing device 5 and a biaxial shredder 6 on the frame 2a of the tailgate 2.
And are mounted.

The dust storage box 1 is a substantially rectangular box body having a rear opening 1a formed in an oblique shape. The dust container
The storage box frame 1b of 1 is rotatably attached to the rear end portion of the mounting frame D1 mounted and fixed on the traveling vehicle D, and the storage box frame 1b is mounted on the mounting frame D1. It is pivotally attached to a dump cylinder D2 which is pivotally attached to. As a result, when the dump cylinder D2 is extended, the front portion is lifted as shown in FIG.
Is mounted on the traveling vehicle D.

Further, the dust container 1 is connected to one end 7a of the dust collecting pipe 7 at the upper part of the front surface of the dust collecting pipe 7.
The other end 7b is connected to a dust collector 8 fixed to the housing box frame 1b.

The tailgate 2 which can open and close the opening 1a of the dust container 1 is rotatably pivotally attached to the container box frame 1b at the upper surface of the opening 1a so that the frame of the tailgate 2 can be rotated. 2a is connected to open / close cylinders 9, 9 mounted on both sides of the dust container 1.

Further, at the rear of the tailgate 2, two upper and lower dust inlets 3 and 4 are formed, and a crushing machine 6 is provided facing the lower dust inlet 3 as shown in FIG. It is attached to the frame 2a of the tailgate 2.

From the upper end of the dust entrance 3 on the lower side, a transparent curtain-shaped sheet 3a hangs down, and at the lower end of the dust entrance 3 is a loading table for the introduction of dust. Ten
Is rotatably pivoted in the vertical direction, and a pair of left and right side plates are horizontally pivotable on both side edges of the dust inlet 3.
15,15 are pivotally attached.

As shown in FIG. 5, one end of the dust throwing table 10 is attached to a pivot shaft 3b near the lower end of the dust throwing port 3 and a crusher side table 11 which is rotatable in the vertical direction. The crusher side table 11 is composed of a mounting side table 12 which is rotatably connected to the other end of the crusher side table 11.

Also, with the loading table 12 open horizontally, the dust loading platform 10 has a length L that is longer than the length of a human hand so that the human hand does not reach the crusher 6. Is configured.

Further, the mounting-side table 12 is provided with a stopper piece 12a having a substantially L-shape from the side connected to the crusher-side table 11.
Is provided by a spring 12b so as to be retractable and retractable, and the crusher side table 11 is provided with a hole 11a into which the stopper piece 12a can be inserted, and the hole 11a is provided with the stopper piece.
The insertion side table 12 is formed so that it can be maintained in a horizontal state with respect to the crusher side table 11 by inserting the 12a.

Further, a limit switch 14 for controlling the drive of the hydraulic motor 18 for crushing is attached to the crusher side table 11 as shown in FIG. The limit switch 14 stops the driving of the crushing hydraulic motor 18 when the placing side table 12 is not rotated until the placing side table 12 becomes horizontal with respect to the crusher side table 11 as shown in FIG. 6
As shown in (a), the crushing hydraulic motor 18 is driven when the mounting-side table 12 is rotated to the crusher-side table 11 to a horizontal state.

Further, as shown in FIG. 5B, the side plates 15 and 15 can block the dust feeding port 3 in a state in which the two tables 11 and 12 are folded to raise the dust feeding table 10. Is formed in.

Further, the crusher-side table 11 is inserted with pins 11b which can freely move in and out from both side edges.
b is always urged to the side edge, and the crusher side table 11
The handle 11c is provided so as to project from the side edge of the crusher side table 11. Side plate 1
5,15 have holes 15a, ..., into which the pins 11b can be fitted, as shown in FIG.
As shown in (a), it is formed in four places of 0 degree, 15 degrees, 30 degrees, and 45 degrees on a semicircle centered on the pivot shaft 3b, and the pins 11b are inserted into the holes 15a ,. When the trash is inserted, the dust loading table 10 is fixed to the side plates 15 and 15 at a constant angle with respect to the dust loading port 3. Further, a hole 3c into which the pin 11b can be inserted is also formed above the pivot shaft 3b in the side wall of the dust input port 3, and the pin 11b is inserted into the hole 3c so that the dust can be removed. The loading table 10 can be maintained in an upright state as shown in FIG.

Further, as shown in FIG. 3, a door body 4a capable of opening and closing the input port 4 is attached to the upper dust input port 4, and the upper dust input port 4 has the door 4a. A limit switch is provided to stop the drive of the crushing hydraulic motor 18 when opened.

As shown in FIG. 4, the biaxial type crusher 6 has crushing blades which are arranged in parallel facing each other and which are in mesh with each other, facing the dust inlet 3.
16a and 16b, and two crushing shafts 17a and 17b that rotate the crushing blades 16a and 16b, respectively.

One of the two crushing shafts 17a and 17b
The crushing shaft 17a is directly connected to the crushing hydraulic motor 18. As shown in FIG. 5, the crushing shaft 17a is connected to the other crushing shaft 17b through a gear box 20, and the other crushing shaft 17b is connected to the crushing shaft 17b. It is configured to rotate in the opposite direction at the same rotation speed as the shaft 17a.

Further, the hydraulic circuit for operating the crushing hydraulic motor 18 is provided separately from the hydraulic circuit of the pushing device 5 and the like, and the crushing hydraulic pump of the crushing hydraulic circuit is
It is a variable displacement type in which the output of the crushing hydraulic motor 18 can be adjusted, and is configured to be driven by a vehicle engine.

Further, as shown in FIG. 4, the pushing device 5 provided in the tailgate 2 has a rotary plate 22 for scraping up the thrown dust and a dust storage for the dust scraped up by the rotary plate 22. It consists of a pushing plate 21 that feeds into the box 1.

The rotary plate 22 is rotatably attached to a rotary shaft 22a fixed to the frame 2a of the tailgate 2. The pushing plate 21 is pivotally attached to a pivot shaft 21a fixed to the frame 2a so that the pushing plate 21 can be pivoted back and forth by a pushing cylinder 24 pivotally attached to the frame 2a.

Here, the rotary plate 22 and the push-in plate 21 are constructed such that their movements are linked to each other, and when the rotary plate 22 scrapes up dust and rotates to a certain angle as shown by the solid line in FIG. Stop, the pushing plate 21 swings forward as shown by the broken line in FIG. 4, and the dust on the rotary plate 22 is fed into the dust container box 1, and the rotary plate 22 rotates again. As shown by the broken line in FIG. 4, when the crusher 6 is rotated to a position near the upper side, the pushing plate 21 swings backward, and the pushing plate 21 stands by at the position shown by the solid line in FIG.

The dust collecting vehicle of this embodiment has the above-mentioned structure. The usage of the dust collecting truck of this embodiment will be described below.

First, when collecting dust, the side plate 1
Open 5,15 and insert the pin 11b into the crusher side table 11 by the handle 11c of the crusher side table 11 and rotate the crusher side table 11 to the horizontal state to move the pin 11b to the side plate.
Engage in hole 15a of fifteen.

Then, the worker distinguishes the dust to be collected into the dust that does not need to be crushed and the dust that needs to be crushed, and when collecting the dust that does not need to be crushed,
The door body 4a is opened, and dust is thrown in through the dust throwing port 4 on the upper side. The dust thrown through the dust throwing port 3 on the upper side falls into the tailgate 2, is scraped up by the rotating plate 22, and is sent to the dust throwing box 1 by the pushing plate 21.

When collecting dust that needs to be crushed, the door body 4a of the dust inlet 4 on the upper side is closed,
Tilt the loading table 12 horizontally with respect to the crusher table 11, insert the stopper piece 12a into the hole 11a, and open the dust inlet 3 as shown in FIG. Place the dust on the dust loading table 10 and push it toward the crusher 6.

The dust that has been pushed in is crushed by the crusher 6 and dropped into the tailgate 2, where it is scraped up by the rotary plate 22 like the dust that was thrown in through the dust throwing port 4 on the upper side and pushed in by the pushing plate. It is sent to the dust container 1 by 21.

Then, when the collecting work is completed, the stopper piece 12a is detached from the hole 11a, the placing side table 12 is folded to the crusher side table 11 side, the dust throwing placing table 10 is erected, and the side plate 15, Rotate 15 to close the dust entrance 3 and allow the traveling vehicle D to travel to a destination such as a garbage disposal site.

After reaching the destination, the opening / closing cylinders 9, 9
To open the opening 1a of the dust storage box 1 and extend the dump cylinder D2 to extend the dust storage box 1 as shown in FIG.
Dumps and releases the dust contained in it.

The dust collecting vehicle of this embodiment is used as described above, but at the time of collecting dust, since the dust container 1 is connected to the dust collecting device 8 at the upper front portion, the dust input port 3, Four
Therefore, there is an advantage that dust does not scatter and the worker can perform the work smoothly without being bothered by the dust.

When the worker throws the dust from the lower dust feeding port 3, the dust can be placed on the dust feeding table 10 and pushed into the crusher 6 side. A person can easily push dust into the shredder 6.

Further, since the dust loading table 10 is constructed so that the human hand does not reach the crusher 6 even if the worker pushes the dust into the crusher 6 side, the human hand accidentally crushes the dust. You don't touch machine 6.

Further, since the crushing blades 16a, 16b are arranged side by side and mesh with each other facing the dust feeding port 3, the crushing blades 16a, 16b
The dust existing in the vicinity of 16b is caught and drawn into the crusher 6 side, so that the crushing work can be easily performed.

Further, since the entire dust-powder loading table 10 is rotatable about the pivot shaft 3b to which the crusher-side table 11 is pivotally attached, when the dust is not sufficiently caught by the crushing blades 16a and 16b. In addition, the dust can be caught in the crushing blades 16a and 16b by tilting the dust-loading mounting table 10. In particular, since the side plate 15 is provided with four holes 15a, ... In which the pins 11b can be inserted, by inserting the pins 11b into the desired holes 15a, the dust-placing table 10 is tilted. It has the advantage that it can be kept.

When the crusher 6 is crushing dust, the sheet 15 is hung down from the dust input port 3,
There is an advantage that dust generated by the crusher 6 can be prevented from scattering.

Further, when the crusher 6 is used, the dust entrance 4 on the upper side is closed by the door body 4a, so that the dust can be prevented from scattering from the dust entrance 4 on the upper side.

Further, since the limit switch 14 stops the driving of the crushing hydraulic motor 18 in a state where the placing side table 12 is not horizontal with respect to the crushing side table 11, the placing side table 12 is not driven. The crusher 6 is not driven when the crusher-side table 11 is folded, etc., and the crusher 6 is driven only when the crusher-side table 11 is opened horizontally and a human hand cannot reach the crusher 6. Therefore, a person's hand does not accidentally touch the crusher 6 during driving.

Further, a hydraulic circuit for operating the crushing hydraulic motor 18 is provided separately from the hydraulic circuit such as the pushing device 5, and the crushing hydraulic pump of the hydraulic circuit is of a variable displacement type. Even if the discharge pressure and the flow rate are changed by the load applied to the crusher 6, it is possible to surely and easily perform the crushing according to the property of dust without changing the rotation speed of the engine of the vehicle. Moreover, since the required horsepower of the crushing hydraulic pump is constant, the load on the vehicle engine is constant, and there is an advantage that it does not affect the operation of other hydraulic pumps connected to the same engine.

Further, even a large dust can be crushed by the crusher 6 and sent to the dust storage box 1 by the rotary plate 22 and the pushing plate 21, so that the size of the rotary plate 22 and the pushing plate 21 can be adjusted. The dust can be sent accurately regardless of the situation, and the dust collection work can be performed smoothly.

Further, since the dust crushed by the crusher 6 is sent into the dust storage box 1 by the pushing plate 21 and is stored therein, the dust is stored in a more compressed state than the conventional dust collecting vehicle. It has the advantage of being able to.

<Second Embodiment> Next, as shown in FIG. 7 to FIG. 9, there is provided a dust collection vehicle comprising a dust storage box 1, a tailgate 2 and a pushing device 5, such as the dust collection vehicle of the first embodiment. , A rotatable rotor 26, a crushing blade 28 attached to the crushing rotor 26, and a fixed blade for crushing between the crushing blade 28.
A dust collection vehicle in which the crusher 6 composed of 27 and 27 is attached to the frame 2a of the tailgate 2 will be described below.

The crushing rotor 26 has a substantially cylindrical shape as a whole, and has both end portions 26L and 26R protruding, and the both end portions 26L and 26R are framed of the tailgate 2 via bearings.
It is rotatably supported by 2a, and one end 26R is directly connected to the crushing hydraulic motor 18.

On the outer peripheral surface of the crushing rotor 26, as shown in FIG. 7 or 9, circumferential grooves 26a having a V-shaped cross section are formed in parallel in the axial direction. The circumferential groove 26a is formed so as to circulate in a direction orthogonal to the rotation axis of the crushing rotor 26, and the circumferential grooves 26a, ... Are formed adjacent to each other over the entire outer peripheral surface of the crushing rotor 26. There is.

Further, in the circumferential grooves 26a, ..., As shown in FIG. 8, there are provided quadrangular prism-shaped tool fixing blocks 26b ,. It is fixed while being grounded. Furthermore, this blade fixing block 26b,
Crushing blades 28, ... Are removably attached to the center of the ... Using bolts 28a ,.

The crushing blade 28 has a quadrangular prism shape as a whole like the cutter fixing block 26b, and its two adjacent side surfaces are attached to the V-shaped surface of the circumferential groove 26a in a state of being grounded. ing. The crushing blade 28 attached to the circumferential groove 26a is formed such that the other two adjacent side surfaces thereof project from the crushing rotor 26, and the corners of both side surfaces thereof project out to the highest. ing.

Further, as shown in FIG. 7, the crushing blades 28, ... Are phase-shifted in the circumferential direction between the adjacent circumferential grooves 26a, 26a, and one for each circumferential groove 26a ,. Installed. The number of crushing blades 28, ... Attached to the circumferential grooves 26a ,.

The fixed blade 27 attached below the crushing rotor 26 has both ends fixed to the frame 2a as shown in FIG. 9, and the fixed blade 27 faces the circumferential groove 26a. A saw blade shape is formed by continuously providing a large number of V-shaped groove blades 27a, .... The V-shape of the groove blade 27a is formed so as to have a similar relationship with the two adjacent side surfaces of the crushing blade 28. Therefore, each groove blade 27a
Are formed so that the crushing blades 28 attached to the respective circumferential grooves 26a can be inserted therethrough.

The refuse collecting vehicle of this embodiment is constructed as described above, and the refuse collecting vehicle of this embodiment is used by the same method as in the first embodiment.

Therefore, in addition to the same advantages as the first embodiment, the dust collecting vehicle of this embodiment is provided with the crushing blades 28, ... In the respective circumferential grooves 26a ,. By doing so, the number of times of crushing per revolution of the crushing rotor 26 can be increased. In this way, each circumferential groove 26a, ...
Even if multiple crushing blades 28, ... Are provided on the
The number of times of crushing per revolution of the crushing rotor 26 can be increased while using the same fixed blade 27.

<Other Embodiments> The first embodiment and the second embodiment have the above-mentioned configurations and have the above-mentioned advantages, but the dust collecting vehicle according to the present invention is not limited to these, and throws dust. A crusher 6 is provided near the mouth 3, and the dust plate crushed by the crusher 6 is pushed into the dust container box.
The design can be changed as appropriate as long as it is configured to be sent to 1.

That is, in any of the above-mentioned embodiments, the dust collecting vehicle including the pushing device 5 including the pushing plate 21 and the rotating plate 22 has been described, but the pushing plate 21 for feeding into the dust storage box 1 is described. The present invention can be appropriately modified in design as long as it is a dust collecting vehicle provided with the pushing device 5 including the rotating plate 22 is not an essential requirement. For example, as shown in FIGS. 10 and 11, the movable plate 40 in the tailgate 2 is formed so as to move along the guide rail 41 by the vertically moving cylinder 43 fixed to the frame 2a of the tailgate 2. A dust collection vehicle comprising a pushing device (5) in which a pushing plate (21) pivotally attached to the movable plate (40) is rotatably provided by expansion and contraction of a rotation cylinder (44), and a vertically moving cylinder as shown in FIG. The movable plate 40 descends due to the contraction of 43, the pushing plate 21 pivotally attached to the movable plate 40 is reversed to the front side by the extension of the rotation cylinder 44, and scraps crushed by the crusher 6 are scraped up, Next, even if the pushing plate 21 is moved upward by the extension of the vertical movement cylinder 43 to feed the dust into the dust storage box 1, it falls within the scope of the present invention.

In the first embodiment, a biaxial type crusher 6 is used, and in the second embodiment, a crusher 6 having a crushing blade 28 and a fixed blade 27 is used. Therefore, although the advantages as described above are exhibited, the type of the crusher 6 used in the present invention is not limited, and even if there is a triaxial crusher, the scope of the present invention is not limited. Belong to.

Further, even when the two-shaft type crusher 6 is used as in the first embodiment, the specific structure is not limited to that of the first embodiment.

In particular, in the above embodiment, the two crushing shafts 17a and 17b rotate at the same number of revolutions,
It may be one that rotates at a different number of rotations, so that even if the dust is a thin sheet, there is no inconvenience that it is sent between the crushing blades 16a, 16b without being sufficiently crushed.
Can be crushed accurately.

Further, in the case of collecting various dusts, the rotation ratio between the crushing shafts 17a, 17b may be changeable so that the rotation ratio can be changed according to the property of the dust. It is possible to accurately crush dust. For example, as shown in FIG. 12, the ends of the two crushing shafts 17a and 17b are inserted into the gearbox 20, and the large and small gears 20c and 20d are fixed to one crushing shaft 17b and the other crushing shaft 17c. A gear 20a, 20b of a large and small size capable of meshing with the gear 20c, 20d is slidably attached to 17a, and a handle 20e for sliding the gear 20a, 20b in the axial direction and a slide means of a lever 20f are provided. The handle 20e slides the gears 20a and 20b through the lever 20f to mesh the gear 20a with the gear 20d as shown by the solid line in FIG. 12 (a), or the gear 20b as shown by the broken line in FIG. 12 (a). It is also possible to adjust the rotation ratio of the crushing shafts 17a, 17b in two steps by meshing the gears with the gears 20c or changing the meshing of the gears 20a ,. Here, the sliding means does not have to include the handle 20e and the lever 20f, but may be one that slides the gears 20a, 20b by electricity or hydraulic pressure. Alternatively, the crushing shafts 17a, 17b may be connected to separate crushing hydraulic motors so that the rotation ratio between the crushing shafts 17a, 17b can be changed. Since the rotation ratio can be adjusted in other stages,
The crushing according to the property of dust can be performed more reliably.

Further, in the first embodiment and the second embodiment, the dust collecting vehicle provided with one crusher 6 has been described, but the present invention is not limited to these, and one Two or more crushers 6 may be provided for the dust input port 3. For example, a crusher 6 for roughly crushing dust may be provided on the dust input port 3 side, and a crusher 6 for continuously finely crushing dust may be provided, which enables finer crushing of dust. The dust can be more easily fed by the pushing plate 21, and the dust can be further compressed in the dust storage box 1 to store the dust.

Further, in the dust collecting vehicle of the present invention, it is not indispensable that two dust feeding ports 3 and 4 are formed. For example, one dust feeding port 3 is provided with a crusher 6. Even if there is, it belongs to the scope of the present invention. However, the tailgate 2 has two or more dust entrances 3 and 4,
It is preferable to provide a crusher 6 in the vicinity of at least one dust input port 3, so that the operator can determine the type of dust and select the dust input port, so that the crusher 6 is not overloaded. It does not happen.

Further, in the first and second embodiments, the dust-charging port 3 is provided with the dust-charging port 10, the side plates 15 and 15,
And, since the seat 3a is provided, it has the advantages as described above,
In the present invention, these are not essential requirements.

Further, according to the present invention, a mounting table for throwing in dusts
Even when 10 is provided, the invention is not limited to the configuration of the crusher side table 11 and the placing side table 12, and the design can be changed as appropriate. For example, as shown in FIG. Crusher 6 with loading platform 10 using the lower end as a fulcrum
If it can be tilted toward and away from the crusher, it will function as a hopper that guides the dust to the crusher 6, and the dust loading table 10 will send the dust to the crusher 6 side for quick and reliable crushing work. Has the advantage that

However, it is preferable that the loading table 10 for throwing dust into the dust is constructed so that the operator's hand does not touch the crusher 6 during the dust collecting operation. Has the advantage that it does not touch the crusher.

Further, a dust throwing port 3 provided with a crusher 6
Even when the sheet 3a is attached to the sheet 3, the sheet 3a is not limited to the one that is hung vertically from the upper end of the lower dust input port 3, and the sheet 3a is hung down only to the dust input port 3 when it is crushed. Therefore, it is possible to prevent scattering of dust generated by the crusher 6.

Further, according to the present invention, a loading table for throwing in dusts
Even when 10 is composed of the crusher side table 11 and the placing side table 12, the limit switch 14 is not an essential requirement. However, when the loading table 10 is configured to have a length equal to or greater than the length of a human hand when the loading table 12 is rotated to a position at which dust can be loaded, the loading table is It is preferable to provide a control means for stopping the drive of the crusher 6 until the table 12 on the placing side is rotated to a position where dust can be placed.
Since the crusher 6 is driven only when the crusher 6 cannot be reached, human hands do not accidentally touch the driving crusher 6.

Further, in the second embodiment, the crushing blade 28 is attached to the blade fixing block 26b, ... With the bolt 28a, but these are not indispensable requirements and the dust collecting vehicle of the present invention. Even when the crushing machine 6 is composed of a rotatable cylindrical crushing rotor 26, a crushing blade 28 attached to the crushing rotor 26, and a fixed blade 27 for crushing between the crushing blades 28. The means for attaching the crushing blade 28 is not limited to this. However, it is preferable that the crushing blade 28 is detachably attached so that the number of times of crushing per revolution of the crushing rotor 26 can be easily increased or decreased.

Further, the crushing blades 28, ...
By shifting the phase in the circumferential direction between a and 26a,
The number and the position of the crushing blades 28, ... Attached to the circumferential grooves 26a, ... Are not limited to this. However, it is preferable that substantially the same number of crushing blades 28, ... Are attached to each side edge of the substantially cylindrical crushing rotor 26, so that the load applied to the crushing hydraulic motor 18 during dust crushing is constant. Can be

Furthermore, in the first and second embodiments, one end of the dust collecting pipe 7 is provided on the upper front surface of the dust container 1.
7a are connected, and the other end 7b of the dust collecting pipe 7 is connected to the dust storage box 1
Since it is connected to the dust collecting device 8 mounted and fixed on the dump frame D1 in front of the above, it has the above-mentioned advantages, but the dust collecting pipe 7 and the dust collecting device 8 are essential in the present invention. Not a requirement. However, in the present invention, the dust collection device 8 is installed in the dust container 1.
It is preferable to connect exhaust means such as etc., so that by exhausting the inside of the dust storage box 1, dust will not flow out from the dust input ports 3 and 4, and the working environment can be improved. Plays the advantage of.

[0080]

As described above, in the dust collecting vehicle according to the present invention, the crusher is provided on the dust input port side of the pushing device, and the pushing plate sends the dust crushed by the crusher into the dust storage box. Therefore, even if it is a dust that has a certain form such as wood or plastic products, it is possible to store the dust in a tighter state than the conventional dust trucks. The effect that the accommodation capacity can be fully exerted is exhibited.

Further, since the pushing plate feeds the dust crushed by the crusher, the mechanical strength of the pushing plate can be reduced as compared with the conventional one, so that the pushing device can be downsized.

Moreover, even when the dust collected by the dust truck of the present invention is to be landfilled or reused, it is possible to eliminate the need for treatment with a crusher or the like at the disposal site or factory. For this reason, it is possible to eliminate a lot of labor and equipment in the treatment process, and it is also possible to enhance the efficiency of the treatment work of the collected dust.

Further, in the dust collecting vehicle according to the present invention, if a two-shaft type crusher is installed as described in claim 2, two crushing shafts are used for crushing the dust injected from the dust input port. Since the dust can be crushed smoothly by the biaxial crushing blade rotated by, the dust collecting operation can be performed more smoothly.

Further, if a crusher for crushing with a crushing blade and a fixed blade attached to the crushing rotor is mounted as in claim 4, the crushing rotor itself is replaced, or the crushing attached to the crushing rotor is carried out. By exchanging the blade, the number of times of crushing per revolution of the crushing rotor can be increased / decreased, so that there is an effect that the dust collecting operation can be performed quickly and accurately depending on the type of dust to be collected.

Further, if the tailgate is formed with two or more dust feeding openings and a crusher is provided near at least one dust feeding opening as described in claim 6, the operator can determine the type of dust. By selecting the dust input port to be input in this way, one crusher is not overloaded,
Moreover, there is also an effect that a collecting operation can be performed quickly by selecting a dust-feeding port suitable for the property of the dust.

[Brief description of drawings]

FIG. 1 is a side view of a garbage truck according to an embodiment of the present invention.

FIG. 2 is a side view of the same embodiment when dumping a dust container.

FIG. 3 is a rear view of the embodiment.

FIG. 4 is an enlarged side view of a main part including a partial cross section of the embodiment.

FIG. 5 (a) is an enlarged side sectional view of an essential part of the lower side of the same embodiment when the dust input port is opened, and (b) is an enlarged main part of the lower side of the same example when the dust input port is closed. A side sectional view is shown.

FIG. 6A is an enlarged side sectional view of an essential part of the embodiment when the placing side table is opened, and FIG. 6B is an enlarged side sectional view of an essential part of the example when the placing side table is folded. Indicates.

FIG. 7 is a rear view including a partial cross-section of the dust truck of another embodiment.

FIG. 8A is a front sectional view of the crushing rotor of the embodiment, and FIG. 8B is a side sectional view of the same.

FIG. 9 is an enlarged front view of a main part of the crusher according to the embodiment.

FIG. 10 is an enlarged side view of a main part of another embodiment.

FIG. 11 is an enlarged side sectional view of a main part of the embodiment.

FIG. 12A is a side sectional view of a gear box of another embodiment, and FIG. 12B is a front sectional view of the same.

FIG. 13 is an enlarged side sectional view of an essential part of another embodiment.

FIG. 14 is an enlarged side view of an essential part including a partial cross section of a conventional garbage truck.

FIG. 15 is an enlarged side view of a main part including a partial cross section of a conventional garbage truck.

[Explanation of symbols]

D ... traveling vehicle, D1 ... dump frame, D2 ... dump cylinder, 1 ... dust storage box, 1a ... opening, 2 ... tailgate, 2a ... frame, 3,4 ... dust input port, 3a ... seat, 5
... Pushing device, 6 ... Crusher, 7 ... Dust collecting pipe, 8 ... Dust collecting device, 9 ... Opening / closing cylinder, 10 ... Loading table for throwing dust, 11
… Crusher side table, 12… Placement side table, 14… Limit switch, 15… Side plates, 16a, 16b… Crushing blades, 17a, 17b…
Crushing shaft, 18 ... Hydraulic motor for crushing, 20 ... Gearbox, 21
… Pushing plate, 21a… Pivot shaft, 22… Rotating plate, 22a… Rotating shaft,
24 ... Cylinder for pushing, 26 ... Crushing rotor, 26a ... Circumferential groove,
26b ... Blade fixing block, 27 ... Fixed blade, 27a ... Groove blade, 28
… Crushing blade, 28a… Bolt, 43… Vertical movement cylinder, 44… Rotation cylinder

Claims (6)

[Claims] 1. A dust storage box (1) having an opening (1a) on the rear side and mounted on a traveling vehicle (D), and a dust input port (3) on the rear side.
And a tailgate (2) attached to the opening (1a) of the dust container (1), and the tailgate (2) is provided with the dust thrown in through the dust throwing port (3). In a dust collection vehicle provided with a pushing device (5) having a pushing plate (21) for feeding, a dust throwing port (3) of the tailgate (2)
A dust collection device characterized in that a crusher (6) is provided in the vicinity, and the crusher (6) crushes dust into the dust storage box (1) by the pushing plate (21). car. 2. The crusher (6) is provided with the dust throwing port (3).
Crushing blades (16a, 16b) that face each other in parallel and mesh with each other, and crushing shafts (17a, 17b) that rotate the crushing blades (16a, 16b), respectively
The garbage truck according to claim 1, further comprising: 3. The dust collecting vehicle according to claim 2, wherein the rotation ratio of the crushing shafts (17a, 17b) rotating the crushing blades (16a, 16b) is changeable. 4. The crusher (6) comprises a rotatable cylindrical crushing rotor (26), a crushing blade (28) attached to the crushing rotor (26), and the crushing blade (28). Fixed blades for crushing between (27)
The garbage collection vehicle according to claim 1, comprising: 5. A plurality of circumferential grooves (26a, ...) Are formed on the outer peripheral surface of the crushing rotor (26), and crushing blades (28, ...) are detachably attached to the circumferential grooves (26a, ...). , And the fixed blade (27) is composed of a plurality of groove blades (27a, ...) And the groove blades (27a, ...) Can insert the crushing blades (28, ...) The refuse collection vehicle according to claim 4, which is formed. 6. The tailgate (2) is formed with two or more dust inlets (3, 4), and the crusher (6) is provided near at least one dust inlet (3). The garbage collection vehicle according to any one of claims 1 to 5.