JPH08258902A - Bucket lifting device and waste disposing vehicle - Google Patents

Abstract

PURPOSE: To provide a lifting device which improves the efficiency of charging a bucket housing an empty can into an empty can charging hopper and to provide a waste disposing vehicle having the lifting device. CONSTITUTION: A bucket 100 housing an empty can is stacked on the ground. The bucket 100 is held by a bucket carrying arm 61 on both sides thereof and the bucket at the top position in the stack of the bucket 100 is lifted in sequence by operating a driving motor and placed at the reversing position Q2 facing a charging hopper 5. The bucket 100 thereafter is kicked downward by a kicking member 83 of a bucket reversing device 80 to charge the empty can into the charging hopper 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a bucket for lifting a bucket containing waste such as used empty cans (aluminum cans, steel cans) to a position higher than a waste input port located above the ground surface. The present invention relates to a lift device and a waste treatment vehicle equipped with this bucket lift device.

[0002]

2. Description of the Related Art In recent years, empty cans have been collected from the viewpoint of environmental protection, energy saving, etc. However, if empty cans are collected as they are, they are large in volume and inconvenient to handle. Wastes (empty cans) that are crushed into small pieces in the field or reduced in volume by a press machine
Various vehicles equipped with a processing device have been developed and put into practical use. Waste treatment equipment generally puts aluminum cans and steel cans, a sorting device for sorting glass bottles, a device for reducing the volume of the sorted waste (press device or crushing device), and an empty can into the sorting device. There is a waste input port for all of these, and these are all mounted on the loading platform of the vehicle (truck), and the worker lifts the collected bucket to the loading platform and puts the contents into the waste loading port. Was working (JP-A-6-206603,
JP-A-6-206602). In addition, as a similar technology, a swinging lifter is provided at the dust input port of the garbage truck, and the contents of the dust container box are thrown into the dust by hooking the dust container box with a hook and swinging the lifter. A type that can be put into the mouth without manual intervention (Japanese Patent Laid-Open No. 6-56201), empty cans, glass bottles, etc. are collected in different buckets according to their types, and these can be loaded into the loading platform of the garbage sorting vehicle. A bucket lifter is movably provided in the front-rear direction of the garbage sorting vehicle as a device for dividing and loading into a plurality of storage chambers divided in the front-rear direction according to the type, and a bucket is placed on the bucket lifter. A bucket receiver that has a metal fitting into which the protrusion on the bottom of the bucket fits is provided so that it can be moved up and down, and this bucket receiver is inverted above the storage chamber that corresponds to the dust in the bucket. Ones are also known (JP-A-5-286504) and the like.

[0003]

In the prior art, since the operator lifts a heavy bucket to the loading platform and further puts the contents into the waste input port, all of the work is manually performed. There was a problem that the physical burden on the person was large. Also, with the conventional technology, although the physical burden on the operator is somewhat reduced, the installation work such as attaching the container box to the lifter and fixing the bucket to the bucket bracket fixing bracket is troublesome, and the empty can There was a problem that it took time to put in. An object of the present invention is to reduce a physical burden on a worker when a waste is put into a waste treatment port located at a position higher than the ground surface, and a disposal time for the waste to be inputted into the waste treatment port. It is an object of the present invention to provide a bucket lift device that can shorten the load. Another object of the present invention is to simplify the motion mechanism of the bucket lift device. Also,
Still another object of the present invention is to obtain a bucket lift device that can reliably hold the bucket even if the bucket is displaced to some extent with respect to the bucket lift device. Another object of the present invention is to obtain the above device which makes it easy to handle the bucket in a state where it is lifted above the waste input port. Still another object of the present invention is to provide a waste treatment vehicle that does not increase in size of the vehicle even if it has such a bucket lifter device. It is about getting a waste disposal vehicle that can be done.

[0004]

In order to solve the above problems, in the present application, a bucket containing waste such as empty cans is lifted above a waste inlet provided at a position higher than the ground surface. A bucket lift device, in which a lift frame is provided corresponding to a waste input port, a bucket holding arm capable of holding and opening a bucket is movable in the vertical direction, and the holding arm is driven up and down. It is characterized by being connected to a device. In addition, claim 2
In this case, a lift frame is provided with a vertically movable body, and a bracket is swingably supported on the vertically movable body, and a pinion is fixed to the bracket coaxially with the swing shaft center. Is connected to the base of the bucket holding arm on the side opposite to the waste input port so that it can be opened and closed, and a rack is provided at the upper end position of the lift frame. The present invention is characterized in that the bucket support arm is rotated together with the bracket between a horizontal position and a reversal position facing the waste inlet by the vertical movement of the body. Further, in claim 3, the base portions of the respective bucket holding arms supported by the bracket so as to be openable and closable are connected by a retractable opening / closing drive source, and the bucket holding arm and the bracket are urged in a direction to close the tip of the bucket holding arm. It is characterized in that an attitude control spring is provided.

According to a fourth aspect of the present invention, the bucket has an edge portion protruding from the upper end of the accommodating portion, and the bucket support arm includes a support member for supporting the bucket edge portion at the tip of the arm body. It is characterized in that it is provided so as to be rotatable in two axial directions orthogonal to the longitudinal direction. Further, according to claim 5, the waste disposed on the bed of the traveling vehicle and disposed of at a waste inlet higher than the ground surface is processed by a waste processing device mounted on the bed. The processing vehicle is provided with the above-described bucket lift device corresponding to the waste input port, and the bucket lift device is stored at the storage position on the loading platform,
It is characterized in that it is supported on the cargo bed so as to be movable between an operating position outside the cargo bed. Further, in a sixth aspect of the present invention, a bucket reversing device for reversing the bucket held by the bucket support arm in the reversing position from the horizontal is further provided on the bed of the traveling vehicle.

[0006]

According to the first aspect of the present invention, by stacking a plurality of buckets, the buckets can be held by the bucket holding arms from above and can be lifted to a position above the waste input port. Since it is not necessary to attach the lifting device to each lifting device, a plurality of buckets can be continuously handled, and the loading efficiency is improved. According to the second aspect, the bucket supporting arm supported by the bucket can be reversed by utilizing the motion of the lifting mechanism of the bucket, so that a dedicated mechanism is not required and the configuration is simplified. In claim 3, even if a plurality of stacked buckets are deviated and one of the bucket holding arms first engages with the bucket, the other bucket holding arm can be closed thereafter, and the bucket can be held securely. Moreover, after the lifting, the attitude control spring allows the bucket holding arm together with the bucket to return to the predetermined loading positional relationship with respect to the waste loading port, thereby eliminating mistakes at the loading (waste spillage). According to the fourth aspect, the holding member follows the outer circumference of the bucket, and the bucket can be easily inverted at the inverted position of the bucket holding arm. In claim 5,
Even with the bucket lift device, there is no unnecessary projecting member outside the chassis, and no extra parking space is required. Further, in claim 6, the bucket supported by the bucket holding arm located at the reverse position is automatically reversed,
The contents can be put into the waste disposal port.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, a waste treatment vehicle 1 is constructed by mounting a waste treatment device 3 on a loading platform 2 of a traveling vehicle (truck) 1A. In this embodiment, the waste treatment device 3 separates an aluminum can a, a steel can b, and wastes (glass bottles, papers, etc.) c outside the can a into aluminum cans a and steel cans b. The lump is pressed by the pressing device 13. In this waste treatment device 3,
At the rear of the loading platform 2, an oblique transport conveyor 4 for lifting an empty can or the like is provided. At the start end of the transport conveyor 4, there is provided a loading hopper 5 as a waste loading port for loading the empty can and the like. The upper end of the conveyor 4 is a sorting device 6 for sorting aluminum cans a, steel cans b, and other waste c. At this tip portion, a sorting pulley 9 is further rotatably provided inside the transporting pulley 8 around which the conveyor belt 7 of the transporting conveyor 4 is wound. The sorting pulley 9 has a magnet on its outer periphery and rotates at a higher speed than the conveyor belt 7 to generate an eddy current with respect to the aluminum can a carried by the conveyor belt 7, thereby generating a magnet. To generate a repulsive force against the aluminum can a, which causes the aluminum can a to fly to the recovery hopper 10 for the aluminum can located near the cabin, and the steel can b moves the conveyor belt 7 due to the magnetic force of the sorting pulley 9. Is conveyed to the lower side of the conveyor belt 7 in an adsorbed state following the above, and the magnetic force ceases to act at the position separated from the sorting pulley 9, so that the recovery hopper 11 for the steel can arranged below the lower side of the conveyor belt 7 The other waste c is dropped to the recovery hopper 12 arranged below the front end of the conveyor 4.

Collection hopper 1 for aluminum cans and steel cans
Reference numerals 0 and 11 each have an insertion opening facing the hopper 14 above the press device 13, and a shutter is provided at each insertion opening so that the shutter can be opened and closed. Then, when the shutter is opened, the empty cans in the collection hoppers 10 and 11 are loaded into the pressing device 13 below the storage hopper via the storage part 14a of the hopper 14, and are pressed by the pressing device 13 to open the empty cans. It is designed to be discharged from the press device 13 as a lump. In the present embodiment, the waste treatment device is described as having a device for pressing the empty can, but it may be a treatment device having a crushing device that crushes the empty can into chips. .

The loading platform 2 is provided with a bucket lift device 30 at a position facing the loading hopper 5 in the front-rear direction. The bucket lift device 30 is shown in FIG.
The storage support device 2 so that the storage support device 2 can be moved between the operating position A outside the luggage carrier 2 shown in FIG. 2 and the storage position B on the luggage carrier 2 shown in FIG.
It is attached to the luggage carrier 2 by 0. Storage support device 2
0, support brackets 21 are provided oppositely on the loading platform 2 on both sides of the conveyor 4. One end of a pair of upper and lower support links 22 is connected to each support bracket 21 so as to be vertically swingable. The tip of each support link 22 is rotatably connected to a connection bar 23, and each connection bar 23 is integrally fixed to a lift frame 31 of a bucket lift device 30 described later, and has a parallel four-bar link structure. Has become. The lower left and right support links 22 are further connected by a connecting member 24, and an operating cylinder 25 for storage is interposed between the connecting member 24 and the chassis 15. Due to the expansion and contraction of the operation cylinder 25, the lift frame 31, that is, the entire bucket lift device 30 moves between the operation position A and the storage position B. Even if the structure in which the bucket lift device 30 can be stored on the cargo bed 2 in this way is provided with such a bucket lift device 30, the bucket lift device 30 does not protrude outside the cargo bed 2, so parking is possible. Does not take up much space.

Next, the bucket lift device 30 will be described. As shown in FIGS. 3 and 4, the bucket lift device 3
At 0, the lift frame 31 extending in the vertical direction is
It is composed of a pair of guide rails 32 having U-shaped cross sections facing each other, a connecting member 33 provided on the front surface of the guide rail 32 over the entire length of the guide rail 32, and a plate member 34 connecting the connecting members 33. There is. Drive and driven sprockets 35 and 36 are rotatably supported at the upper and lower ends of the lift frame 31 in the middle of a guide rail 32. The drive sprocket 35 is attached to one guide rail 32 by a bracket 35A. The output shaft of the driving motor (driving device) 37 is connected. In the guide groove 40 of the guide rail 32, a pair of upper, lower, left and right guide rollers 41 provided on the elevating body 50 are movably fitted in the up and down direction, and the elevating body 50 has the two sprockets 35, 3 described above.
An elevating chain 42 wound between 6 is connected. The sprocket wheels 35, 36, the drive motor 37, and the lifting chain 42 constitute a lifting drive device 99 for the lifting body 50. A rack 43 for reversing the bucket support arm 61 is provided at the upper end of the lift frame 31. At the lower end of the lift frame 31, a positioning frame body 44 for positioning the bucket 100 is provided so as to be swingable and can be stored at a storage position C along the lift frame 31. At the time of storage, the pin 44b on the lift frame 31 side is manually fitted into the locking hole 44a of the frame body 44. As shown in FIG. 7, the positioning frame body 44 is formed in a U shape, and has a positioning protrusion 45 facing the inside thereof, and the positioning protrusion 45 has a bucket 100.
The bucket 100 (the one located at the lowest position) is positioned with respect to the lift device 30 by pressing.
By stacking the buckets 100 on the basis of this, when the buckets 100 are lifted by the bucket holding arms 61, which will be described later, the buckets 100 are held in a substantially balanced manner.

A rear end portion of a plate-shaped lifting body 50 that rotatably supports the guide roller 41 projects rearward from the lift frame 31. As shown in FIG.
As shown in FIG. 5, a bracket 5 including a vertical arm portion 51 and a support member 52 extending in the width direction with respect to the arm portion 51.
3 is swingably supported in the vertical direction via a swing shaft 54 which is integral with the upper end of the arm 51, and a pinion 55 is provided integrally with the bracket 53 coaxially with the swing shaft 54. . A horizontal holding arm 56 projects toward the lift frame 31 at the lower part of the bracket 53, and a guide roller 57 is rotatably supported at the tip of the horizontal holding arm 56. The guide roller 57 extends from the lower end of the lift frame 31 to the lifting body 5.
It is rotatably fitted in a guide groove 59 of a horizontal guide rail 58 extending in the vertical direction until just before the inversion start position P1 before the rising end of 0. The pinion 55 is used for the lifting body 50.
From the position where the horizontal guide rail 58 and the guide roller 57 are disengaged from each other at the reversing start position P1 just before the rising end of the above, the rack 43 is started to be engaged, and the ascending / descending motion of the elevating body 50 is used to Set the bucket holding arm 61, which will be described later, to the horizontal position Q.
From 1 to the reversing position Q2 facing the input hopper 5, it is swung. Support member 52 for bracket 53
The L-shaped base portion 61b of the bucket holding arm 61 is provided at the tip.
The intermediate portion of is supported swingably around an axis perpendicular to the bracket 53. Base 6 of each bucket holding arm 61
An arm 61a extending rearward is integrally provided at one end portion (front end portion in the left-right direction) of 1b. At the tip of the arm 61a,
Biaxial direction orthogonal to the longitudinal axis of the arm 61a, that is,
In the horizontal state of the bucket support arm 61, a vertical axis and a support member 62 that is rotatable around the horizontal axis are provided. The support member 62 is used for the storage portion 10 of the bucket 100.
1 The upper edge 102 is supported from below, and the ribs 103 on the side surface of the bucket 100 project inwardly facing the engaging portions 63 located at both sides of the ribs 103.

The left and right other end portions of the base portion 61b of each bucket holding arm 61 are connected by a cylinder 66 (expandable opening / closing drive source) in which the piston rod 65 extends and retracts. As the cylinder 66 expands and contracts, the engaging portions 63 at the tip ends of the left and right bucket holding arms 61 are moved to the edge portion 1 of the bucket 100.
Opening / closing is performed between a preparation position S1 on the left and right outside which is not engaged with 02, and a holding position S2 that vertically overlaps the bucket edge portion 102. A stopper 67 for restricting the open / close position is provided on the outside of the cylinder 66 in the expansion / contraction direction. Further, the left and right other end portions respectively correspond to the left and right support arm base portions 61b, and the arm portions 5 are respectively formed.
The attitude control spring 69 is provided between the stud 68 fixed to 1 and the stud 68.
Is stretched. The attitude control spring 69 holds the bucket 100 in a state in which the weight of one bucket 100 (full of contents is loaded) or less is held in a state in which the cylinder 66 is contracted, or there is no load at all. In the state,
The center line CL2 between the left and right bucket holding arms 61 has a centering function of matching the center line CL1 of the input hopper 5. This centering function is performed as shown in FIG. 13 when the bucket 100 placed on the ground surface GR is slightly displaced from the left and right positions with respect to the bucket holding arm 61 and when the bucket holding arm 61 is closed from the preparation position S1.
In the holding completed state, the bucket holding arm 61 tilts as a whole (the center line CL2 between the tips of the left and right bucket holding arms 61 tilts with respect to the center line CL1 of the charging hopper 5).
00 is lifted, the force of the spring 69 causes the bucket 1 to move.
00, the center line CL1 of the charging hopper 5 and the bucket 10
This is a function to match the center line CL2 of 0, and as a result, the bucket holding arm 61 is located at the reversal position Q2 even if the second and subsequent buckets 100 are slightly displaced from the lowest one. Then, when the bucket 100 is located above the charging hopper 5 and the bucket 100 is inverted, since the center line CL2 of the bucket 100 coincides with the center line CL1 of the charging hopper 5, the waste is discharged.
Can be thrown in without spilling.

When the lift device 30 is stored in the storage position B, the lower end of the lift frame 31 has a storage position Q3 in which the holding arm 61 is placed along the lift frame 31.
An accommodation position holding bracket 70 for providing the (state of FIG. 2) is provided. As shown in FIG. 3, the accommodation position holding bracket 70 is attached through a wing nut 72 through a long hole 71 formed on one side surface of the guide rail 32 so that the position can be adjusted in the front-rear direction. A notch portion 73 opening rearward is formed in a portion protruding rearward, and the guide roller 57 of the horizontal holding arm 56 guides the guide groove 59 at the lower end position P0 of the elevating body 50. When the bracket 53 is swung upward by 90 degrees, the bucket holding arm 61 is held at the storage position Q3 by engaging with the fixing pin 74 planted on the side surface of the pinion 55. There is. On the loading platform 2, in the vicinity of the loading hopper 5, the bucket 10 held at the tip of the bucket holding arm 61 inverted to the inversion position Q2.
A bucket inverting device 80 for inverting 0 is provided. As shown in FIG. 10, the bucket inverting device 80 is
A cylinder 81, a hook-shaped rocking member 82 connected to a piston rod of the cylinder 81 and having a bent portion rotatably supported by a bracket (not shown), and fixed to the tip of the rocking member 82. , The bucket 100
It is composed of a kick-down member 83 which pushes down the front end portion of the.

The control device 100 on the loading platform 2 is equipped with a closing switch 101, which controls the drive motor 37 and the cylinders 66, 81 in accordance with the command to perform a series of closing operations. . That is, in this embodiment,
At the first time of feeding, processing end position P0 (operation original position)
The bucket holding arm 61 of the elevating body 50 is opened, lifted to hold the fourth bucket 100 from the bottom, lifted again to reverse the bucket holding arm 61, and then in that state, the bucket reversing device 80. Is operated to reverse the bucket 100, return the empty bucket to the original position, open the holding arm 61, and wait at the position where the bucket has been returned. From the height position where the bucket is returned to the position where the next bucket is held, the bucket is held, lifted, put in, and returned automatically and continuously. . As described above, in the present embodiment, the bucket holding arm 61 can stop at a plurality of preset height positions corresponding to the stacking height of the buckets 100 in order to lift the plurality of stacked buckets 100 in order from the top. So, you can go up and down from that position.

Next, the operation will be described. Lift device 3
0 is stored in the storage position B, the waste treatment vehicle 1 is forwarded,
Stop at the empty can collection location where the bucket 100 is placed. Then, the piston rod of the operating cylinder 25 is retracted. As a result, the lift device 30 moves from the storage position B to the operating position A behind the loading platform 2. Next, the wing nut 72 holding the accommodation position holding bracket 70 is loosened, the accommodation position holding bracket 70 is moved forward, the notch 73 and the fixing pin 74 of the pinion 55 are removed, and the bucket holding arm 61 is removed. At the descending end position P0, it is tilted to the horizontal position. At the same time, the positioning frame body 44 also removes the pin 44b from the locking hole 44a and tilts it to the horizontal position. At the empty can collection location,
Empty cans are housed in a plurality of buckets 100 each having an edge portion 102 formed at the upper end. When loading empty cans into the loading hopper 5 from these buckets 100, first, the worker positions the positioning protrusions 45 of the bucket positioning frame body 44.
One (the lowest order) bucket 100 is fitted into the stack, and hereinafter, a plurality (four here) are stacked on the basis of this. At this time, the center of the bucket 100 in the second and subsequent stages in the left-right direction may not be aligned with the center line CL1 of the input hopper 5 and may be slightly displaced. Then, the control device 100
The closing switch 101 is operated. By this closing command, the cylinder 66 is extended and the bucket holding arm 61 is opened, the drive motor 37 is rotated, and the bucket support arm 61 is moved from the lower end position P0 to the bucket 10 located at the uppermost position.
It rises to a height position slightly below the edge portion 0 of 0 and stops. The cylinder 66 contracts, the left and right bucket holding arms 61 close, and the support member 62 at the tip is located below the edge portion 102.

Subsequently, the drive motor 37 rotates and the bucket holding arm 61 rises via the elevating chain 42. Then, the support member 62 engages with the edge portion 102 at a position where the rib 103 of the bucket 100 is sandwiched, lifts the bucket 100, and ascends toward the rising end. When the reversing start position P1 is reached, the guide roller 57 of the horizontal holding arm 56 disengages from the guide groove 59, and the pinion 55 starts to engage with the rack 43. When the elevating body 50 further rises, the pinion 55 is rotated by the rack 43, and this rotation causes the bracket 53 to rotate upward, so that the bucket holding arm 61 also rotates from the horizontal position Q1 to the reverse position Q2. To do. In order to reverse to the reverse position Q2, the lifting body 5 is
Since the ascending / descending movement of 0 is used, it does not need a dedicated inversion drive mechanism and can be implemented at low cost. Bucket holding arm 61
Even if is rotated to the reversal position Q2, the support member 62 at the tip of the holding arm 61 is rotated about the horizontal axis, so that the bucket 100 is kept horizontal and positioned above the charging hopper 5. continue,
The bucket reversing device 80 provided on the loading platform 2 operates, and the kick-down member 83 reverses the bucket 100,
The empty can stored in the storage unit 102 falls into the input hopper 5. When the bucket is reversed, the engaging portion 63 of the support member 62
However, since the rib 103 of the bucket 100 is located in the front and rear direction, even if the bucket 100 is inclined as shown in FIG. 11, it does not come off from the support member 62. The empty cans are then sorted by an aluminum can a, steel can b, other c
The aluminum can a and the steel can b are respectively pressed by the press machine 13 to be a lump of a predetermined size, which is then discharged.

The bucket reversing device 80 returns to the old state, and the bucket 100 that has discharged the empty cans returns to the horizontal position. Next, the lifting / lowering body 50 descends, and the bucket holding arm 6 that was in the inverted position Q2
1, the horizontal position Q due to the action of the rack 43 and the pinion 55.
When returning to 1 and reaching the inversion start position P1, the horizontal holding arm 56
The guide roller 57 of (1) again engages with the guide groove 59, and descends to the position where the loaded bucket is first held, and the emptied bucket 100 is returned to the original position. Then, the bucket holding arm 61 is opened, and the one-cycle loading operation is completed. The operator removes the empty bucket 100 from the upper end and operates the closing switch 101 again. By this command, the bucket holding arm 61 in the opened state at the position where the fourth bucket 100 is opened is lowered, and at that time, the bucket 100 located at the uppermost position (here, the third one from the bottom). ) At a position slightly below the edge 102, and the bucket holding arm 61 is closed.
Similarly to 00, the container is lifted and inverted above the charging hopper 5, an empty can is charged into the charging hopper 5, and the empty third bucket 100 is returned to the original position. When the left-right centerline CL2 of the bucket 100 is slightly deviated from the centerline CL1 of the input hopper 5, the bucket gripping arm 61 as a whole shifts its gripping position in the width direction. As shown in FIG.
The center line CL1 of the charging hopper 5 and the center line CL2 of the bucket 100 coincide with each other at the position above the charging hopper 5, so that when the bucket 100 is inverted, the contents are surely transferred. It will not be spilled out of it.

Thus, when the processing is completed up to the lowest one of the stacked buckets 100, the contents are filled,
Other buckets 100 are piled up, and the above-mentioned lifting and loading processes are repeated. When all the buckets 100 at the empty can collection place have been processed, the elevating body 50 is positioned at the descending position Q0, the guide roller 57 and the guide groove 59 are disengaged, and 90
Rocking upwards to the fixing pin 74 of the pinion 55,
The notch 73 of the accommodation position holding bracket 70 is engaged, the accommodation position holding bracket 70 is fixed, and the bucket holding arm 61 is accommodated in the accommodation position Q3. Further, the positioning frame body 44 is also held at the accommodation position C. Then, the operating cylinder 25 is operated to store the lift device 30 in the storage position B on the loading platform 2 and send it to the next empty can collection place.
In this way, the bucket device 100 is added to the lift device 30 one by one.
It is not necessary to attach the above, and the operator can successively lift the buckets 100 stacked in multiple stages by only operating the switch, and the efficiency of the loading operation can be improved.

The embodiments understood from the examples of the present application will be described below. (1) A lifting drive device, a bucket reversing device, and a control device for controlling the opening and closing of the bucket holding arm are provided.
Buckets stacked in multiple stages by the command of the closing switch,
7. The disposal according to claim 6, wherein each device is continuously controlled so as to hold, lift, turn over, and descend to return to the original position in order from the highest order. Material handling vehicle. (Effect) Buckets stacked in multiple stages can be loaded one after another only by operating the loading switch.

[0020]

As described above, according to the present invention, it is not necessary to attach the bucket to the lifter one by one, and when the buckets are stacked on the ground in multiple stages, the buckets are lifted in order from the upper one to above the waste inlet. It is possible to improve the charging efficiency. . Further, in the present invention, the bucket holding arm supported by the bucket can be reversed by utilizing the motion of the lifting mechanism of the bucket, so that a dedicated mechanism is not required and the configuration is simplified. Further, according to the present invention, even if a plurality of stacked buckets are deviated, they can be reliably held, and after lifting, the bucket control arm for each bucket causes the bucket holding arm to move to a predetermined loading position with respect to the waste loading port. It is possible to return to the relationship and eliminate mistakes (spill of waste) at the time of input. Further, according to the present invention, when the holding portion follows the outer circumference of the bucket and the bucket holding arm is in the inverted position, the opening portion of the bucket can be easily oriented to the waste feeding port, and the loading is ready. Further, in the waste treatment vehicle of the present invention, even if it has the bucket lift device, an unnecessary projecting member is not provided outside the loading platform, and an extra parking space is not required. Further, the waste disposal vehicle of the present invention can automatically invert the bucket supported by the bucket holding arm located at the inversion position and put the contents into the waste disposal port, thereby significantly reducing the physical burden on the work vehicle. Can be reduced to

[Brief description of drawings]

FIG. 1 is a side view of a waste treatment vehicle according to the present application.

FIG. 2 is a side view showing a housed state of the bucket lift device according to the present application.

FIG. 3 is an enlarged side view of a bucket lift device.

FIG. 4 is a plan view of a bucket lift device.

FIG. 5 is a detailed view of a lifting body.

6 is a sectional view taken along line VI-VI of FIG.

7 is a VII view of FIG. 3. FIG.

FIG. 8 is an operation explanatory view of the bucket lift device.

FIG. 9 is an operation explanatory view of the bucket lift device.

FIG. 10 is an operation explanatory view of the bucket lift device.

FIG. 11 is an operation explanatory view of the bucket lift device.

FIG. 12 is an operation explanatory view of the bucket lift device.

FIG. 13 is an explanatory diagram of the centering function of the bucket holding arm.

[Explanation of symbols]

1 waste treatment vehicle, 1A traveling vehicle, 2 loading platform, 5
Input hopper (waste input port), 30 bucket bucket lift device, 31 lift frame, 37 drive motor (drive device), 43 rack, 50 lifting body, 5
3 brackets, 55 pinions, 61 bucket holding arms, 61a arms, 61b base parts of bucket holding arms,
62 support member, 66 cylinder (opening / closing drive source), 6
9 Attitude control spring, 80 Bucket reversing device, 100
Bucket, 102 edges, Q1 horizontal position, Q2
Inversion position, A operation position, B storage position

Claims (6)

[Claims] 1. A bucket lift device for lifting a bucket containing waste such as an empty can above a waste input port provided at a position higher than the ground surface, and corresponding to the waste input port. A lift frame is provided on the lift frame, and a bucket holding arm capable of holding and releasing a bucket is vertically movable, and the holding arm is connected to a lifting drive device. 2. A lift frame is provided with a vertically movable body so as to be vertically movable, and a bracket is swingably supported by the vertically movable body, and a pinion is fixed to the bracket coaxially with the swing axis thereof. , The bracket is connected to the base of the bucket holding arm on the side opposite to the waste inlet, and the rack is provided at the upper end position of the lift frame, and the pinion and the rack are engaged at the rising end of the lifting body. The bucket lift device according to claim 1, wherein the bucket support arm is rotated together with the bracket between the horizontal position and the inversion position facing the waste input port by the lifting motion of the lifting body. 3. A posture control for connecting a base portion of each bucket holding arm supported by a bracket so as to be openable and closable by a retractable opening / closing drive source, and urging the bucket holding arm and the bracket in a direction to close a tip of the bucket holding arm. The bucket lift device according to claim 2, further comprising a spring. 4. The bucket has an edge protruding from the upper end of the accommodating portion, and the bucket support arm includes a support member for supporting the bucket edge at the tip of the arm, and the support member is orthogonal to the longitudinal direction of the arm. The bucket lift device according to claim 3, wherein the bucket lift device is provided so as to be rotatable in two axial directions. 5. A waste treatment vehicle provided on a loading platform of a traveling vehicle and configured to process a waste loaded into a waste loading port at a position higher than the ground surface by a waste handling system mounted on the loading platform. In the above, in the cargo bed, the bucket lift device according to any one of claims 1 to 5 is provided corresponding to the waste input port, and the bucket lift device is provided at a storage position on the cargo bed and outside the cargo bed. A waste treatment vehicle, which is supported on a loading platform so as to be movable to and from the operating position. 6. A waste treatment vehicle provided on a loading platform of a traveling vehicle and configured to process waste introduced into a waste loading port at a position higher than the ground surface by a waste processing apparatus mounted on the loading platform. In the loading platform, a lift frame provided corresponding to the waste loading port is provided with a vertically movable body, and the vertically movable body is connected to a lifting drive device, and a bracket is vertically mounted on the vertically movable body. It is swingably supported, and a pinion is fixed to the bracket coaxially with the swing axis, and the base of the bucket holding arm is openably and closably connected to the side opposite to the waste input port. An attitude control spring is provided between the bucket holding arm and the bracket for urging the bucket holding arm tip in the closing direction, and the bucket support arm is attached to the tip of the bucket support arm at the upper end of the accommodation part of the bucket. bucket A rack is provided at the upper end position of the lift frame, and a rack is provided at the upper end position of the lift frame, and the pinion and the rack are engaged with each other at the rising end of the lifting body to move the bucket support arm together with the bracket by the lifting motion of the lifting body. The bucket lift device is configured to rotate between a horizontal position and a reversal position facing the waste inlet, and is further held on the bucket support arm in the reversal position on the bed of the traveling vehicle. A waste treatment vehicle having a bucket reversing device for reversing a bucket from horizontal.