JP4098053B2 - Crop digging and picking machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is potato, taro, sweet potato, onion, crops of garlic such as crop digging up machine digging a furrow soil of the field, or that these crops are placed in ridges soil table field after unearthed The present invention relates to a machine that can be used as a crop picking machine that picks up and collects food.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a crop digging and picking machine that digs up and harvests crops in field soil has been developed. The agricultural digging takes picking machine, the front end portion in the traveling machine body traveling on the vineyard provided an inclined conveyor which embedded in ridges soil, the ski destination provided at the front end of the inclined conveyor, the rear end of the inclined conveyor the second conveyor is provided, the crop ridges soil transported to the upper rear dig with ridges earth by the front end portion of the ski destination inclined conveyor, crops only while dropping sieve soil ridges soil in the middle of the inclined conveyor the feed to the second conveyor, there is a crop without structure or recovered recovering send crops harvested stand at the same second transport conveyor structure for dropping the ridges soil table field. In this latter machine, the fallen crops are recovered after being dried (air-dried) for several hours.
[0003]
By the way, the inclined conveyer has a structure in which a plurality of bar-shaped conveyor bars are installed between a pair of left and right endless chains with a pitch interval of the endless chain, and the distance between the outer ends of the forward return side and the return path side of the front end return portion ( The front end thickness is generally about 75 mm. Thus, when implanted the front end of the inclined conveyor to the ridges soil, depending on the size of the crop would extruded forwardly before the forward end of the inclined conveyor is dig crops, can not bring loaded successfully the conveying surface There was a thing.
[0004]
Therefore, in order to reduce the thickness of the front end of the inclined conveyor as much as possible, a configuration in which the distance per pitch of the endless chain is shortened has been proposed. However, with the gap of the conveyor桟間This configuration results in a significantly complicated harvesting very narrowed sieving off effect of the soil conveying middle ridge soil and is reduced by half, using the number of the conveyor bars are per pitch The narrower the distance, the greater the required weight and cost.
[0005]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to solve these conventional problems and to reliably dig or pick up crops in dredged soil or on the dredged soil surface without impairing the sieving effect of soil during transportation. It is to provide a simple crop digging and picking machine.
[0006]
[Means for Solving the Problems]
The configuration of the present invention that solves this problem is as follows.
1) provided such that the front end portion in the traveling machine body traveling on the fields increases as the rear inclined conveyor which embedded in ridge soil of the field, the soil ridges soil while conveying surface of the inclined conveyor holds the crop a structure having a gap dropping sieve, the inclined conveyor is rotated so that the conveying surface of the upper to move rearward and upward from the lower front, ridges soil or at the front end portion of the inclined conveyor while traveling along the traveling machine body In the crop digging and picking machine that raises crops on the dredging surface continuously and puts them on the conveyance surface, sifts the dredged soil in the middle of conveyance and lifts only the crops higher than the dredged surface,
The distance between the outer end on the forward path and the return path of the front end return portion of the inclined conveyor is set to 65 mm or less, and the inclined conveyor conveys a plurality of rod-shaped conveyor bars between a pair of left and right endless chains at two pitch intervals of the endless chain. It is possible to reduce the distance between the outer end on the forward path side and the return path side of the front end return part while maintaining the sieving effect of the clay soil, and each endless chain on the left and right sides of the inclined conveyor is A plurality of inner plates and outer plates each having a shaft hole formed at both ends thereof are shifted in parallel every other pitch, and an intermediate pin is inserted into the shaft hole every other pitch and screwed with a nut and opposed to each other. by interpolating axis a rod-shaped conveyor rail in the axial hole between the middle pin and configure screwed with the nut during and easily placed on the conveying surface of the crop in front of the inclined conveyor so as not pushed forward Forming a flange portion which is enlarged to the chain wheel inside the front return portion which hung crops digging takes picked machine 2) endless chain, characterized in bets, derailing of the endless chain due to earth pressure ridge soil by the flange portion The chain of the front end return part is a driven chain car, and the shaft part that hangs the endless chain of the driven chain car has no claw, and the circumference of the coaxial part The crop digging and picking machine according to 1), wherein the surface is rotated, the front shaft of the inclined conveyor is a driven shaft and the rear shaft is a drive shaft .
[0007]
[Action]
According to the present invention, since the thickness of the front end of the inclined conveyor is set to 65 mm or less, the area of the front end of the inclined conveyor becomes smaller than before, so that it is difficult to push out the crops forward and it is placed on the conveyor surface. It becomes easy. In addition, since the structure of the inclined conveyor is constructed between the pair of left and right endless chains with two pitches between the endless chains, the gap between the conveyor bars is formed at an appropriate gap to maintain the soil sieving effect. However, the thickness of the front end can be reduced.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The thickness of the front end of the inclined conveying conveyor of the present invention is 65 mm or less, preferably 35 to 55 mm. If it is 35 mm or less, the strength of the shaft portion decreases and the rotation becomes unstable. Further, when the inclined conveyor to erection structure at a 2 pitch of the endless chain plural rod-shaped conveyor crosspiece between the pair of left and right endless chains, while at the same time retaining the sieve off effect of soil ridges earth front The thickness can be easily reduced, which is preferable. When the chain wheel inside the front return portion which hung an endless chain to form a flange portion which is enlarged, the deformation of derailing the conveyor rail of the endless chain due to earth pressure ridge soil can be prevented.
[0009]
In addition, if the front shaft of the inclined conveyor is the driven shaft and the rear shaft is the drive shaft, and the shaft portion that hangs the endless chain of the chain wheel at the front end return portion has a flat structure without claws, The distance between the outer ends of the return path on the return path side and the return path side can be set so that the rear end return section is larger than the front end return section, and the inclined conveyor can be rotated with low torque.
[0010]
【Example】
Embodiments of the present invention will be specifically described below with reference to the drawings. The embodiment shown in FIGS. 1-8 is an example of applying the present invention to crop pick harvester to harvest pick up potato ridges soil or furrow soil table. FIG. 1 is an explanatory view showing the main part of the crop picking and harvesting machine of the embodiment, FIG. 2 is an explanatory view showing the transmission part of the crop picking and harvesting machine of the embodiment, and FIG. 3 is the main part of the crop picking and harvesting machine of the embodiment. FIG. 4 is a plan view of the inclined conveying conveyor of the embodiment, FIG. 5 is a side view of the inclined conveying conveyor of the embodiment, FIG. 6 is an exploded view of the inclined conveying conveyor of the embodiment, and FIG. FIG. 8 is a partially enlarged view of the front end portion of the inclined conveyor according to the embodiment.
[0011]
In the figure, 1 is a farm vehicle for picking up crops, 1a is an engine driving part, 1b is a front wheel, 1c is a rear wheel, 1d is an operation handle, 1e is a transmission gearing part, 1f is a transmission belt, 1g is a transmission pulley, 2 is an inclined conveyor, 2a is an endless chain, 2b is a conveyor bar, 2c is a sprocket, 2d is a chain wheel, 2e is a drive shaft, 2f is a driven shaft, 2g is a tip, 2h is an inner plate, 2i is an outer plate, 2j is an intermediate pin, 2k is a nut, 2m is a collar, 3 is a scraping belt, 3a is a belt pulley mounting arm, 3b is a belt pulley, 3c is a scraping blade, 3d is an endless belt, 4 is a second conveyor, 4a is an endless chain, 4b are lifting body, the chute 5, the recovery stage 6, 7 is a container base, 8 containers 9 Bodo sheet, G is ridges, GD is ridge grooves, P is potato, S is It is dredged .
[0012]
As shown in FIGS. 1 to 3, the crop picking and harvesting machine of this embodiment is mounted at a predetermined angle between the front and rear wheels 1 b and 1 c of the traveling vehicle 1 so as to become higher in the rear direction, and the inclined conveyance. A slanting conveyor 3 is attached to the front side of the conveyor 2 so that the front side of the scraping belt 3 is rotated downward by a belt pulley 3b pivotally supported by a belt pulley mounting arm 3a that can be rotated left and right. The second conveying conveyor 4 that lifts the potato P with the lifting body 4b and conveys it to the rear is attached substantially vertically, the chute 5 and the collection stand 6 are attached to the rear of the second conveying conveyor 4, and the container is disposed below the second conveying conveyor 4 A base 7 is attached, and a soil prevention sheet 9 is suspended from the rear end of the collection base 6.
[0013]
As shown in FIGS. 4 to 6, the inclined conveyer 2 has a plurality of inner plates 2h and outer plates 2i each having a shaft hole formed at both ends thereof shifted in parallel at every other pitch. Are arranged symmetrically at predetermined intervals, and intermediate pins 2j are inserted into shaft holes every other pitch and screwed with nuts 2k, and a bar-shaped conveyor bar 2b is placed between the opposing inner plates 2h between the intermediate pins 2j. The endless chain 2a is configured by being inserted into the shaft hole and screwed with the nut 2k, and is suspended between the sprocket 2c and the chain wheel 2d that are attached to both ends of the drive shaft 2e and the driven shaft 2f. The inclined transport conveyor 2 has a front end thickness d1 of 45 mm and a rear end thickness d2 of 60 mm.
[0014]
In this embodiment, prior to the wheel 1b and the rear wheels 1c arranged ridges grooves GD of the field to actuate the respective conveyor with starting the engine driving portion 1a, front wheel 1b is rotated to advance the field. In running state, as shown in FIG. 1 is embedded as the front end portion of the inclined conveyor 2 and raking belt 3 is inserted into the ridge soil S, the center side scraping blade 3c of scraping belt 3 from the outside operated through the ridge soil S obliquely upwardly, soil and potato P that has left and right sides of the ridges G is moved upward provided by, the central ridge G.
[0015]
Then, potato P rests conveying surface caused by the inversion force of the front end of the inclined conveyor 2 as shown in FIG. 7, is sent to the upper rear with ridges soil S. Ridges soil S during the transport is only potato P is conveyed to fall down from the gap between the conveyor rail 2b. The potato P transported to the rear end is placed on the lifting body 4b of the rear second transport conveyor 4 and lifted upward, and is recovered by the chute 5 to the recovery table 6 and accommodated in the container 8 below. The This step by continuing the potato P on ridges G during or ridges G is continuously harvested dug or picked is in.
[0016]
Since this embodiment is configured in this way, the front end of the inclined transport conveyor 2 has a thickness of 45 mm, which reduces the area of the front end of the inclined transport conveyor 2 and pushes the potato P forward. It became difficult and it became easy to mount on a conveyance surface, and the embedding resistance was reduced, and the engine driving part 1a was not burdened. Further, since the inclined conveyor 2 to erection structure at a 2 pitch of the endless chain 2a of the conveyor bars 2b between a pair of left and right endless chains 2a, to form between the conveyor rail 2b in a suitable clearance ridge soil The thickness of the front end could be reduced while maintaining the sieving effect of S, and the weight did not increase. Furthermore, since the formation of the flange portion 2m to the chain wheel 2d which hung an endless chain 2a as shown in FIG. 8, an endless be earth pressure ridge soil S is deformed by acting on the conveyor rail 2b when particularly digging up The chain 2a is locked by the flange portion 2m, so that it is difficult to remove the wheel. As a result, the deformation of the conveyor bar 2b is also suppressed and the breakage is reduced.
[0017]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a lightweight crop picking and picking machine capable of reliably digging or picking up crops in the dredged soil or the surface of the dredged soil without impairing the sieving effect of soil during conveyance. .
[Brief description of the drawings]
FIG. 1 is an explanatory diagram showing a main part of a crop picking and harvesting machine according to an embodiment.
FIG. 2 is an explanatory diagram illustrating a transmission unit of the crop picking and harvesting machine according to the embodiment.
FIG. 3 is a plan view showing a main part of the crop picking and harvesting machine according to the embodiment.
FIG. 4 is a plan view of the inclined conveyor according to the embodiment.
FIG. 5 is a side view of the inclined conveyor according to the embodiment.
FIG. 6 is an exploded view of the inclined transfer conveyor according to the embodiment.
FIG. 7 is an explanatory diagram showing picking up a potato according to an embodiment.
FIG. 8 is a partially enlarged view of a front end portion of the inclined conveyance conveyor according to the embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Traveling vehicle 1a Engine drive part 1b Front wheel 1c Rear wheel 1d Operation handle 1e Transmission transmission part 1f Transmission belt 1g Transmission pulley 2 Inclined conveyer 2a Endless chain 2b Conveyor bar 2c Sprocket 2d Chain vehicle 2e Drive shaft 2f Drive shaft 2g Skid tip 2h inner plate 2i outer plate 2j intermediate pin 2k nut 2m collar 3 scraping belt 3a belt pulley mounting arm 3b belt pulley 3c scraping blade 3d endless belt 4 second transport conveyor 4a endless chain 4b lifting body 5 chute 6 recovery stand 7 container base 8 container 9 Bodo sheet G ridge GD ridge groove P potatoes S ridge soil

Claims (2)

Provided to the front end portion in the traveling machine body traveling on the fields increases as the rear inclined conveyor which embedded in ridge soil of the field, the conveying surface of the inclined conveyor is screened soil ridges soil while maintaining crop dropping a structure having a gap, is rotated so that the conveying surface of the upper of the same slope conveyor is moved rearward and upward from the lower front, ridges soil or furrow soil at the front end portion of the inclined conveyor while traveling along the traveling machine body In the crop digging and picking machine that raises the crops of the table continuously and places them on the conveyance surface, sifts the soil of the dredged soil and lifts only the crops higher than the dredged surface,
The distance between the outer end on the forward path and the return path of the front end return portion of the inclined conveyor is set to 65 mm or less, and the inclined conveyor conveys a plurality of rod-shaped conveyor bars between a pair of left and right endless chains at two pitch intervals of the endless chain. It is possible to reduce the distance between the outer end on the forward path side and the return path side of the front end return part while maintaining the sieving effect of the clay soil, and each endless chain on the left and right sides of the inclined conveyor is A plurality of inner plates and outer plates each having a shaft hole formed at both ends thereof are shifted in parallel every other pitch, and an intermediate pin is inserted into the shaft hole every other pitch and screwed with a nut and opposed to each other. by interpolating axis a rod-shaped conveyor rail in the axial hole between the middle pin and configure screwed with the nut during and easily placed on the conveying surface of the crop in front of the inclined conveyor so as not pushed forward Crops digging takes picked up machine, wherein the door. The front end return part that hangs the endless chain is formed with a flange that expands on the inside of the chain wheel so that the endless chain can be prevented from being removed due to the earth pressure of the soil and the conveyor bar can be prevented from deforming. The chain car of the return part is a driven chain car, and the shaft part around which the endless chain of the driven chain car is hung does not have a claw, and the circumferential surface of the coaxial part is rotated. 2. The crop digging and picking machine according to claim 1, wherein the front shaft is a driven shaft and the rear shaft is a drive shaft .

Images