JP3239883B2 - Onion harvester - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an onion harvester.

[0002]

2. Description of the Related Art The conventional onion harvester has an unreasonable arrangement of a traveling device, a device for raising a stem to cause the onion stem of an onion, and a digging blade for digging an onion.

[0003]

Therefore, depending on the onion growing condition in the field, the excavation and harvesting work cannot be carried out smoothly and the work efficiency cannot be improved.

[0004]

The present invention employs the following technical means in order to solve such problems. That is, in front of the traveling device provided at intervals in the lateral direction, a digging blade provided forward and downward so that the front end is located below the rear end, and a ruler wheel located on a front extension line of the traveling device. A leaf stem raising device having a lug that rotates in the lateral direction on the side of the action start side and then linearly moves upward and rearward to cause the action of the onion leaf stem portion is provided. The leaf cutting device that cuts the onion leaves and stems by making the ground inclination angle formed by extending the linear movement of the onion larger than the ground inclination angle of the engraving blade causes the engraving blade and the onion leaf stems The traveling device for moving the undercarriage is provided at a position higher than the operation start end of the lug that performs the operation, and is disposed so as to pass through the trace of movement of the ruler wheel near the diving blade, and traverses the cut leaf stem portion. A bead characterized by discharging to the side It was the harvester.

[0005]

When the traveling device is driven to advance the undercarriage in the field, the traveling device passes through the trace of movement of the ruler wheel and also drives the leaf-stalk pulling means with lugs. Therefore,
Since the trace of the passage formed in the field does not become wide in the horizontal direction, it is possible to prevent the onion from leaving a moat or scattered discharge due to the pitching of the aircraft, which is likely to occur due to the rough field.

[0006] Onions in the field are harvested by an onion harvester that is moved by the drive of the traveling device. At the time of this harvesting, the onion leaf stem rotates laterally at the starting end of the operation, and then rises rearward. The onions are stretched upward by the linearly moving lugs, and the roots of the onions are dug up by a digging blade having a small inclination angle to the ground, which is lowered forward. The onion leaf stem is cut by a leaf stem cutting device and separated from the root. The onion leaf stem cut by the leaf stem cutting means is discharged from the lateral side of the body.

In addition, since the ruler wheel is provided near the engraving blade, the height of the engraving blade does not fluctuate vertically when the undercarriage moves forward. Therefore, when the onion is dug up, the moat blade does not hit the root of the onion and damage the onion. Furthermore, since the moving rug can separate the entwined leaf stem, the onion after the root is dug by the digging blade can be easily handled, and the efficiency of the harvesting operation can be improved.

[0008]

According to the present invention, since the onion leaf stem is stretched by a rug having a large inclination angle to the ground, the boundary between the leaf stem and the root becomes clear, and problems such as cutting of the root by the leaf stem cutting device are prevented. I can do it. Since the diving blade is lowered forward and has a small inclination angle with respect to the ground, it can enter the ground with a small resistance, and the driving force for moving the aircraft forward can be reduced. Furthermore, since the leaf cutting device is provided at a position higher than the starting end of the rug that causes the excavating blade and the onion leaf stem, there is no hindrance to the excavating operation by the engraving blade. Even if the rug is brought close to the ground, the leaf stem cutting device does not enter the ground, and the poor cutting of the leaf stem can be eliminated.

[0009] The prevention of the roughening of the field and the leaving of the moat enables the laid onions to be arranged in the field in an orderly manner, so that the labor for post-processing of the operator can be improved and the excavating efficiency can be increased. And, since the rug moves smoothly upward from the raising of the leaf stem portion, and also separates the entangled leaf stem portion and the lifting and movement will add to the digging and raising action by the engraving blade, It is possible to improve the ease of handling the onion after excavation and the efficiency of the harvesting operation. Furthermore, since the height of the digging blade is stable, the commercial value of the digged onion can be increased, and the cut foliage is discharged to the side of the machine, so that the root can be collected without covering the root Work is easier and efficiency is improved.

[0010]

Embodiments of the present invention will be described below. The undercarriage 2 has the traveling device 1, and a ruler wheel 10 is provided on a front extension line of the traveling device 1 at a front lower position. The traveling device 1 is provided at intervals in the lateral direction.

The leaf stem raising device 3 has a raising lug 7, and a pair of left and right is formed as a pair to form two rows.
The leaf stem cutting device 4 is provided with a reciprocating type cutting blade at a lower position behind the raising device 3 and at a position higher than an operation start end of a digging blade 8 and a lug 7 for causing a leaf stem portion of the onion. I have.

The leaf-stalk conveyor 5 is provided with a driving roller 11 and a driven roller -1 which are rearwardly inclined by raising a wide belt conveyor rearward over the entire width of the chassis 2 behind the cutting device 4.
It is wound between two. The engraving blade 8 is provided on the front lower side so that the front end is positioned lower than the rear end, and the onion is located below the leaf stem raising device 3 and the front end is lower than the center of the ruler wheel 10 in the lateral direction. Digging. In addition, in the side view of the fuselage, the inclination angle to the ground formed by extending the linear movement of the lug is set to be larger than the inclination angle to the ground of the digging blade.

The leaf stem cutting device 4 extends downward from the transmission box 9 on the undercarriage 2 from the front to the bottom, and is provided with a crank device at the end of the transmission shaft 6 penetrating through the hollow of the leaf stem discharge conveyor 5. 13 is provided and driven by a drive lot 14 connected to the crank device 13.

As described above, the power transmission shaft 6 can be provided linearly without penetrating by penetrating through the hollow of the foliage discharge conveyer 5, so that not only is the configuration simple but also the transmission efficiency is improved. Have good characteristics. In addition, since the transmission shaft 6 is covered by the leaf discharge conveyor 5 (belt conveyor), troubles such as entanglement of the cut leaf stem do not occur. If the above-mentioned leaf stem discharge conveyor 5 is provided with a transport projection on its surface,
The leaf stem can be reliably locked and transported.

Reference numeral 15 denotes a guide, which can surely guide the cut leaf stem onto the leaf stem discharge conveyor 5.
Reference numeral 16 denotes a rotating body, which is provided between the pair of leaf stem raising devices 3 in a brush shape, and scrapes the leaf stems stuck on the both raising devices 3 onto the conveyor 5.

The leaf-stalk discharge conveyor 5 may be configured such that the leaf-stem can be extended during the cutting action of the leaf-stalk to assist the cutting by making the steep-sloping as shown in FIG.

[Brief description of the drawings]

FIG. 1 is a plan sectional view showing a main part.

FIG. 2 is a side view.

FIG. 3 is a plan view of a transmission shaft portion.

FIG. 4 is a side view showing another embodiment.

FIG. 5 is a perspective view.

FIG. 6 is a side view of another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Traveling device 3 Leaf stem raising device 8 Horitori blade 10 Ruler wheel

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-53-7444 (JP, A) JP-A-59-117320 (JP, U) JP-B-59-39085 (JP, B2) JP-B-62 30911 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01D 13/00-33/14

Claims (1)

(57) [Claims] 1. A traveling device provided at a laterally spaced distance.
Forward, lower front so that the front end is lower than the rear end
Located on the extension line in front of the moating blade and the traveling device
Rotate laterally on the ruler wheel and the action start end side, and then
Action of the onion leaf stem moving in a straight line
And a leaf stem raising device having a rug for performing
It is formed by extending the linear movement of the lug in a side view of the body.
The ground inclination angle to be larger than the ground inclination angle of the Horitori blade
The stalk cutting device that cuts the stalks of onions together with
Of rugs that cause the stems of onions and onions
The traveling that is provided at a position higher than the starting end and moves the chassis
The device passes through the trace of the ruler wheel near the moat blade
Place and discharge the cut leaf stem laterally
An onion harvester characterized by that: