JPS5939084B2 - Method and device for pulling out stems and leaves of underground crops - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method and apparatus for pulling out the stems and leaves of underground crops.

For example, when harvesting underground stem crops such as potatoes using a digging machine, conventionally, before digging up the underground stem crops,
Alternatively, at the same time, the stems and leaves growing on the ground were harvested, and underground crops were dug up without cutting the stems and leaves, and then the stems and leaves were removed.
When using these methods, the cut stems and leaves or at least the remaining stems are mixed into the underground stem crops that are dug up, so the underground stem crops may be damaged such as peeling due to friction with the remaining stems. It was extremely inconvenient.

The present invention has been made in view of the above circumstances, and it is possible to remove the stems and leaves of a rhizome crop without leaving any remaining stems by pulling out the stems and leaves, and to prevent damage to the rhizome crop during digging. It is an object of the present invention to provide a method and a device that can prevent this from occurring and can effectively pull out the stems and leaves.

An embodiment of the present invention will be described with reference to the drawings.

Reference numeral 1a + 1b denotes frame plates on both sides as a machine frame, and a pair of guide bodies 2 are provided oppositely on both sides between the front and lower parts of the frame plates 1a and 1b with an interval a between them. At the same time, a pair of endless conveyor bodies 3 are provided oppositely on both sides between the frame plates 1 a and I b located at the rear of the pair of guide bodies 2 .

The pair of guide bodies 2 on both sides are the frame plates 1 on both sides.
1. Attaching the weeding rods 4 that slope downward to the front to the inner side of the front lower part of 1b so as to protrude forward and downward from both side frame plates 1a and 1b, Attach the guide frame 5 to the
It is formed by narrowing the distance a between them toward the rear.

Further, the pair of endless conveyor bodies 3 on both sides are disposed in front and rear on both sides of the supporting frame 6, which is hung between the upper side frame plates 1at1b, and each supports a pair of rotating vertical shafts L8.9, Endless belts 11 are hooked and rotated around the rotary vertical shafts 7, 8, and 9 groups on both sides via rollers 10, and the inner sides 11a of the endless belts 11 on both sides are brought close to each other and faced each other, and the endless belts 11 It is formed by setting it so that it is inclined rearward and upward.

In addition, a pair of sliding plates 13 as a pair of sled-shaped earth digging bodies are attached to the front lower part of the both side frame plates 1 a and 1 b via supporting legs 12 , and these sliding plates 13 are connected to the endless belt 11 .
It is located at the front lower part of the frame board 1a on both sides,
A grounding ring 15 is attached to the rear lower part of the endless conveyor body 3 via a frame 14, and a first traverse conveyor body 16 is connected to the rear part of the endless conveyor body 3.

This first traverse conveyor body 16 includes the above-mentioned both side frame plates 1
The rotation shafts 1 on both sides are attached to the rear of a t 1 b via the support frame 6.
7 and 18 are mounted on a shaft, and an endless band 22 consisting of a sieve rod 21 is hung between the rotating shafts 17 and 18 on both sides via a sprocket 19 and an endless chino 20.

The above-mentioned structure forms the stem and leaf pulling device A.

Note that the above-mentioned upper restraining body may be formed by a roller instead of the sliding plate 13.

Next, B is an excavation device, and this excavation device B has one side frame plate 1b of the above-mentioned both side frame plates i a t 1 b,
The one side frame plate 1b and the frame plate 1c disposed opposite to each other on the outside constitute a both side frame plate 1b + 1c as a machine frame, and a hole is carved in the front lower part between the both side frame plates 1b and 1c. A digging blade 23 is provided as a removing body, and a soil sieving conveyor body 24 is connected to the rear of this digging blade 23, and a second traverse conveyor body 25 is connected to the rear of this soil sieving conveyor body 24. It is formed by setting the

The upper sieve conveyor body 24 includes the above-mentioned both side frame plates 1 b
Rotating shafts 26.27 are mounted horizontally on the front and rear sides of t1c, and sprockets 28 are installed on both sides between the front and rear rotating shafts 26.27.
The endless chain 29 is rotated through the endless chain 729, and the horizontal rods 30 are passed at regular intervals in the front and rear direction between the endless chains 729 on both sides. Rotating shafts 31 and 32 on both sides are mounted on the rear portions of the frame plates 1b and 1c on both sides via supporting frames 6, and a sieve rod 35 is connected between the rotating shafts 31 and 32 on both sides via a sprocket 33 and an endless chino 34. The loop is formed by turning the endless band 36 made of the following.

A main frame 37 is horizontally suspended between the front upper parts of the frame plates 1b and 1c on both sides, and a main transmission 38 is mounted in the center of the main frame 37.
A connecting frame 39 for a tractor (not shown) is provided protrudingly in front of the upper part of this main transmission 38 and in front of both measuring parts of the main frame 37, and an input shaft 38b is protrusively provided in the front part of the main transmission 38, and ,
The output shaft 38a of the main transmission 38 passes through the transmission medium 40 and the auxiliary transmission 41 to the rear rotating vertical shaft 9 as a drive shaft in the endless conveyor body 3, and the rear rotation as a drive shaft in the upper sieve conveyor body 24. The rotational driving force is transmitted to the shaft 27 and the rotating shaft 18° 32 on one side as a driving shaft in the first and second transverse conveyor bodies 16° 25, respectively.

Note that field A is shown in a vertical section at the left end of FIG. 1, and in this field A, 41a.

41b is a ridge, 42 is a potato as an underground crop to be dug up, 43 is a stem and leaf part thereof, and 44 is a ball game.

In such a configuration, it is connected to a tractor (not shown) via the connection frame 39 for traction, and the main transmission 38 and the transmission medium 4 are connected from the power take-off shaft of the tractor.
0, and travels through the field while transmitting rotational driving force to the endless conveyor body 3, the soil sieve conveyor body 24, and the first and second lateral conveyor bodies 16, 25 via the auxiliary transmission 41, respectively. The ridge 41 located in the front between the pair of guide bodies 2 in the foliage pulling device A
The stems and leaves 43 on top a are guided between the weeding frames 4 and introduced between the guide bodies 2 and pulled up, and the ground on both sides is dug by the sliding plates 13, and then conveyed to a pair of endless conveyors. It is inserted between the conveyor bodies 3, and is pulled out while being transferred rearward and upward as the endless conveyor body 3 rotates,
It is transferred onto the first traverse conveyor body 16 and discharged onto the ground from the transfer end of the first traverse conveyor body 16.

At the same time as the foliage part pulling out device A pulls out the foliage part 43, the ridge 41b is removed in the process adjacent to the foliage part pulling process.
, the digging blade 23 in the digging device B digs up the potatoes 42 in the ridge 4Ib from which the stems and leaves 43 have been removed in the previous step, and transfers them onto the soil sieving conveyor body 24. The body 24 sifts off the soil and transfers the potatoes 42 as a harvested product to the second lateral conveyor body 2.
5 and the potatoes 42 are discharged from the transfer end of the second traverse conveyor body 25 onto the ground.

According to the present invention, when pulling out the foliage of a rhizome crop planted in a field, the foliage is pulled up by a pair of guide bodies on both sides, and the soil located on both sides of the foliage is removed by a pair of soil holding bodies on both sides. Since the stems and leaves are pulled out by a pair of endless conveyor bodies on both sides while being held down, the fallen stems and leaves are raised up, and the stems and leaves are pulled out while the soil is held down by the soil suppressing body, so that only underground stem crops can be removed from the ground. When the leaves are left in the ground, the stems and leaves, including the parts located underground, are pulled out from the roots. Therefore, they are well separated from the rhizome crops that are dug up afterwards, and the leaves and stems are pulled out from the roots, including the parts that are underground. The rhizome crops can be harvested well without being left behind or being mixed in as residual stems in the excavated underground rhizome crop group.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, and FIG. 1 is a side view;
FIG. 2 is a plan view. 2... A pair of guide bodies, 3... A pair of endless conveyor bodies, 13... A pair of sliding plates as soil suppressing bodies, 42... Underground rhizomes. Potato as a crop, 43...stem and leaf part, i...field.

Claims (1)

[Scope of Claims] 1. To pull out the stems and leaves of a rhizome crop planted in a field, a pair of guide bodies inclined rearward and upward are advanced on both sides of the lower part of the stems to remove the stems and leaves. As well as causing
At the rear of the guide body, a pair of soil holding bodies are advanced on the ground located on both sides of the lower part of the foliage part, and a pair of endless conveyor bodies that rotate rearward and upward are advanced on the side of the lower part of the foliage part. A method for pulling out stems and leaves of underground rhizome crops, characterized in that the stems and leaves are held between the pair of endless conveyor bodies and pulled out. 2. A pair of guide bodies on both sides that are arranged opposite to each other with a gap between them and are inclined rearward and upward, and the distance between the opposing guide bodies becomes narrower toward the rear; a pair of endless conveyor bodies on both sides, which are arranged opposite to each other on both sides and whose opposing sides rotate rearward and upward; and a soil suppressing body, the pair of guide bodies pulls up the foliage, and the pair of soil suppressing bodies holds down the ground, and the foliage is sandwiched between the pair of endless conveyor bodies. A device for pulling out the stems and leaves of underground crops.