JP4079235B2 - Dump truck loading device and loading method - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a dump truck loading device and a loading method .
[0002]
[Prior art]
The dump truck has a platform that can be tilted backwards, so it is very easy to unload, but it does not have a special function to load, so it is necessary to borrow other equipment. Conventionally, an excavator, a hopper, a chute or the like is used for this.
[0003]
When using an excavator, the amount of excavator is extremely small compared to the load, so the excavator has to be repeated many times and takes a very long time to load. Occupancy rate is getting worse.
[0004]
In the case of a hopper, it is possible to load at once, but it is conical and the lower end is opened and closed with a shutter, so depending on the type of load, for example, sediment containing water If it is or sludge, the hopper is likely to be clogged. Also, since the dump truck's loading platform is long in the front and rear, it is difficult to load on average, and sometimes it is piled up locally and overflows. Moreover, this is also inefficient because it requires manpower to equalize the cargo bed.
[0005]
In the case of hoppers and chutes, the load can be averaged over a long loading platform by loading the dump truck while gradually moving it, but the input amount and the gradual moving speed should be taken appropriately. However, there is a problem that it takes time and work efficiency deteriorates.
[0006]
[Problems to be solved by the invention]
In view of the above circumstances, an object of the present invention is to provide a loading method and a loading device for a dump truck that can be loaded in a dump truck all at once and that the load is averaged.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a hopper having a length of a loading platform comprising a pair of left and right half hoppers that are opened and closed by driving an actuator on a crotch-opening body frame in which a dump truck can be hidden. As for the hopper opening and closing mechanism, half hoppers have fulcrum wheels attached to both sides so that they can be flipped on both sides. The pivot shaft of the swing link is pivotally supported at the center, the upper end of the swing link is pivotally attached to the upper end of the half hopper, and the pivot pin is lowered along a track centering on the rotary shaft. Provided is a dump truck loading device characterized in that the hopper is configured to reverse while retreating outward.
[0008]
Further, according to the present invention, in the above loading apparatus, after loading the hopper, the dump truck is submerged under the hopper, and the half hoppers are reversed so as to retreat from each other, and are widened to the left and right. An object of the present invention is to provide a loading method for a dump truck characterized by dropping the load onto a loading platform of the dump truck.
[0009]
Since the dump truck loading device and loading method are configured as described above, when the half hopper opens, the half hopper moves backward from the pivot track to which the tip of the rocking link is connected. Therefore, a large mouth opens between the half hoppers, and the half hoppers incline abruptly.If the hoppers are loaded in advance with an excavator or chute, they can be used as dump trucks at once. It can be loaded on average. Moreover, the load never gets stuck in the hopper.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
In the present invention, as an actuator that reversely drives the half hoppers 3 and 3, an oil / pneumatic motor or the like is suitable for use in addition to an oil / pneumatic cylinder as in the embodiment.
[0011]
Further, if the main body frame 1 is movable as in the embodiment, it can be moved to the first loading place by a shovel car or the like, which is particularly convenient in the outdoor field. However, it may be fixed and installed in a factory or the like.
[0012]
【The invention's effect】
As described above, according to the present invention, the dump truck can be loaded all at once, and since the load is averaged, the loading time can be greatly shortened and the operation rate of the dump truck can be extremely increased. In addition, because the semi-hopper can be flipped abruptly to open it wide, even if it is high in clay, such as sand and sludge containing moisture, it can be dropped onto the dump truck bed without clogging the load There is an excellent effect of being able to.
[0013]
【Example】
Next, an embodiment of the present invention will be described with reference to the drawings.
[0014]
The drawing shows an embodiment, and the dump truck loading device P includes a hopper 2 mounted on a bifurcated body frame 1 through which a dump truck C can pass, and the hopper 2 is a pair of left and right half hoppers 3, 3 has a divided structure that can be opened and closed by driving an actuator. Hydraulic cylinders 5 and 5 are used for the actuators, respectively.
[0015]
The main body frame 1 is entirely made of I-shaped steel or H-shaped steel, and is movable only by the front wheels 4 and 4, and the front wheels 4 and 4 are always provided in a floating play for fixing. For assembly, the left and right side frames 6 and 6 are connected to the front and rear ends by upper and lower horizontal members 7 and 8 to form a bifurcated shape, and the front horizontal members 7 and 8 and the rear horizontal members 7 and 8 are connected. Half hoppers 3 and 3 are provided between the hopper 8 and the dump truck C so that they can pass under it.
[0016]
The left and right side frames 6 and 6 each have a front support column 9 and a rear support column 11 that are in direct contact with the ground G, but are not simply a rectangular frame, and a base 13 is interposed between the lower ends of the support columns 9 and 11. An auxiliary rear column 15 is erected on the rear end of the base 13 with a gap between the rear column 11 and the rear column 11. In the middle of the height, a connecting member 17 is interposed between the rear column 11 and the auxiliary rear column 15. A hydraulic cylinder 5 is provided between the rear column 11 and the auxiliary rear column 15.
[0017]
Further, the upper end of the front column 9 receives the beam 19 extending in the front and rear thereof, the rear end of the beam 19 is connected to the auxiliary rear column 15, and the auxiliary front column 21 is attached to the front end. The auxiliary front strut 21 is also lifted and supported from the ground G by interposing a connecting member 23 at the lower end between the front front strut 21 and the auxiliary front strut 21. The inner and outer support plates 25 and 25 are attached so as to sandwich the front column 9, the auxiliary front column 21 and the connecting member 23, and the front wheel 4 is pivotally supported between the inner and outer support plates 25 and 25.
[0018]
The half hoppers 3 and 3 are shaped like an inverted trapezoidal box when viewed from the front and the rear, and the middle between the left and right opens away from this closed state, and the load falls from there. (Arrow Q in FIG. 3). Next, the opening / closing mechanism will be described.
[0019]
The half hoppers 3 and 3 are moved to the outside opposite to each other by three-point support of the wheels 29 and 29 on both the front and rear sides, the hydraulic cylinder 5 on the rear end, and the swing links 31 and 31 on both sides of the front and rear. Supported to open. For this reason, the lower horizontal member 8 is provided with a rail 33 on which the wheels 29 run, and the rails 33 and the wheels 29 mesh with each other like a rack and a pinion.
[0020]
Further, the swing links 31 and 31 are provided so that the bearing 34 of the rotary shaft 32 is provided on the horizontal member 7 so that the half hoppers 3 and 3 are closed when the swing links 31 and 31 are raised. The tip is pivotally attached to the upper end. Therefore, the movement of the pivot pin 36 becomes a track R that falls outward (FIG. 3). Therefore, when the outer side is lifted by the hydraulic cylinder 5, the inner end is lowered with the axes of the wheels 29 and 29 as fulcrums. The pivot pin 36 takes the above-mentioned track R and pushes the half hopper 3 outward.
[0021]
The hopper 2 has a length Lb that is close to the length La of the loading platform of the dump truck C (FIG. 1), and the front end of the loading platform of the dump truck C reaches a predetermined position S because the mouth opens at the length Lb. Sometimes, the half hoppers 3 and 3 are opened with a switch or opened with a sensor, so that the loading platform is evenly loaded with its length La. Therefore, it may be stopped once at the arrival of the position S or may be slowed down.
[0022]
Further, a wheel 29 is provided near the inner end so that the half hopper 3 opens as much as possible, and the rod of the hydraulic cylinder 5 is connected to the outside so as to be easily pushed up. Thus, since the half hoppers 3 and 3 open in the width Mb close to the width Ma of the loading platform of the dump truck C (FIG. 2), they are loaded almost evenly on the width Ma of the loading platform.
[0023]
FIG. 4 shows a state when moving the loading device P. When the rear end is lifted, the wheels 4 and 4 come into contact with the main body frame, so that the main body frame can be moved. At this time, if a carriage or the like is placed at the rear end, it is easy to carry.
[0024]
As another embodiment, if the rotary shafts 32, 32 of both swing links 31, 31 are connected by gears, the hydraulic cylinder 5 is provided only in one half hopper 3, and both half hoppers 3, 3 are provided. Can be opened and closed. Moreover, you may make it rotate both the rotating shafts 32 and 32 simultaneously with a hydraulic motor.
[Brief description of the drawings]
FIG. 1 is a side view of a dump truck loading device according to the present invention.
FIG. 2 is a rear view of the loading device as seen from the rear.
FIG. 3 is an explanatory view of a half-hopper opening / closing mechanism in the loading apparatus.
FIG. 4 is a side view showing a state when moving the same loaded value.
[Explanation of symbols]
C Dump truck P Load value 1 Body frame 2 Hopper 3 Half hopper 5 Hydraulic cylinder as actuator 29 Wheel 31 Swing link 32 Rotating shaft 33 Rail 34 Rotating shaft bearing 36 Pivoting pin R Pivoting pin track La Loading platform Length Lb Hopper length Ma Loading platform width Mb Hopper opening width

Claims (2)

A hopper with a length of a loading platform consisting of a pair of left and right half hoppers that are opened and closed by the drive of an actuator is mounted on a crotch-opening body frame in which a dump truck can be hidden, and the hopper opening and closing mechanism is The fulcrum wheels are attached to both sides so that they can be reversed, and the traveling rails of the wheels are installed at both the front and rear ends of the main body frame, and the rotating shaft of the swing link is pivotally supported at the center of the width. , The upper end of the swing link is pivotally attached to the upper end of the half hopper, and the pivot pin is lowered along a track centered on the rotation axis, so that the half hopper is reversed while retracting outward. Dump truck loading device characterized by. A hopper with a length of a loading platform consisting of a pair of left and right half hoppers opened and closed by the drive of an actuator is mounted on a crotch-opening main body frame that can dive a dump truck. About the hopper opening and closing mechanism, The fulcrum wheels are attached to both sides so that they can be reversed, and the traveling rails of the wheels are installed at both the front and rear ends of the main body frame, and the rotating shaft of the swing link is pivotally supported at the center of the width. , pivoted to the upper end of the swing link to an upper end portion of the semi-hopper, by descending along the track to which the pivot pin about the axis of rotation, semi hopper configured to invert while retreated outward dump truck In this loading device, after loading the hopper, the dump truck is submerged under the hopper, and the left and right half hoppers are reversed so that they are retracted from each other. By opening listening, dump truck loading method characterized by dropping the cargo bed of a dump truck.

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