KR101938782B1 - Underground crop harvester - Google Patents

Abstract

Disclosed is an underground crop harvester, which can prevent stems of crops or a mulching film from getting tangled or jammed when shaking soil while transferring excavated soil and underground crops backwardly by a root harvester and maximize soil shaking efficiency when the dug crops are transferred backwardly since a transferring unit can adjust an angle. The underground crop harvester includes: a frame (100) having a towing unit (110) and a power transmission shaft (120) connected to a tractor located ahead; a digging unit (200) mounted at a lower portion of the front of the frame (100) to dig underground crops planted in ridges and soil; and a transferring unit (300) arranged at the rear of the digging unit (200) to transfer dug underground crops and soil backwardly. The digging unit (200) has a digging blade (210) and a shaking bar (220) arranged at the rear of the digging blade (210). The transferring unit (300) has a structure that a plurality of molded rotors (310) are fit to shafts (320) to be rotated. The shafts (320) are continuously arranged to be parallel toward an upper portion of the rear of the frame (100) so that the digging unit (200) can shake soil while transferring dug soil and underground crops to the back.

Description

Underground crop harvester

The present invention relates to a method for harvesting various underground crops such as garlic, potato, sweet potato, and bellflower, and more particularly, to a method for harvesting a crop harvested by a cutting blade, ) By improving the structure of the rotating body so as not to get tangled or caught in the rotating body and adjusting the angle of the feeding part according to the condition of the soil (soil), it is possible to maximize the efficiency of the soil- The mulching film can be rolled up and recovered at the same time as harvesting.

Generally, garlic is divided into field and garlic depending on the cultivation place. Non-garlic can increase the income of farm household because it can do rice farming through double cropping after garlic harvest, It has been summarized and has the advantage of being able to water when needed, so the cultivation area of rice paddy field is increasing compared to field paddy field.

As in other crops, such garlic has been developed for sowing and harvesting techniques so as to mechanically sow seeds (mechanically sowing) and mechanically harvest the crops due to lack of manpower in rural areas. The present invention can be applied to various kinds of garlic, To harvest underground crops using mechanical equipment.

Conventional techniques related to the garlic harvester include a garlic harvester of Patent Document 1, a garlic harvester of Patent Document 2, an underground crop harvester of Patent Document 3, a bulb harvester equipped with a conveyor functioning as a clay of Patent Document 4, and the like Equipment has been developed and used.

On the other hand, when garlic is harvested, the soil and garlic transferred to the rear are transported to the rear, and the soil clinging to the garlic is shaken off and then dropped on the ground or collected in a container. In the case of Patent Document 1, And in the case of Patent Document 2, a pivoting shaft that alternately operates on the rear side of the crockery blade is disposed so as to separate the soil and garlic shaved by the crocking blade and separate them. In the case of Patent Document 3 Type rotary conveying unit is provided in the rear of the crockery blade in the form of a chain conveyor type similar to that of Patent Document 1. In the case of Patent Document 4,

In addition, the field garlic and the paddy garlic differ in the state of the soil to be cultivated, and the climate due to the harvest, especially the viscosity due to the moisture content of the soil depending on the amount of rainfall, There is a problem that the garbage collected at the time of collecting the harvested garlic is shaved again and the efficiency of the collection work is inferior.

In the chain conveyor type disclosed in Patent Documents 1 and 4, clogs or stones flow into the inside of a chain conveyor that rotates in an endless track form, which may cause mechanical failure. In the pivoting shaft method disclosed in Patent Document 2, The drum type rotary transfer method has a problem that the vibration for shaking the soil during the transfer process does not occur so much that the soil is not separated properly.

On the other hand, since garlic seeds are sown in sowing holes when sowing, garlic seeds are sown in the sowing holes, and mulching film collectors are installed in harvesters for harvesting. However, Film, garlic stem or the like is caught or tangled with the transporting part, so that a normal harvesting operation is not performed but is delayed.

Korean Registration Practice No. 20-0353996 (June. Korean Registration Practice No. 20-0458957 (Feb. 22, 2012) Korean Registration Practice No. 20-0468882 (Aug. 30, 2013) Korean Patent Publication No. 10-2017-0045028 (April 26, 2017).

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a method and apparatus for recovering various underground crops such as garlic, sweet potato, potato, It is possible to prevent tangling or pinching, and it is possible to effectively adjust the angle of the conveying portion in accordance with the field or the state of the debonding (such as the level of the soil) And to recover the underground crops so as to maximize the efficiency of the underground crop harvesting work.

In order to accomplish the above-mentioned object, the present invention provides a motorcycle comprising: a frame provided with a traction unit and a power transmission shaft connected to a tractor in front; A slope part installed at a front lower part of the frame for slicing underground crops planted on the slopes together with the soil; And a conveying unit disposed behind the gulling unit for conveying the ground crop and the soil backward,

Wherein the gullet portion is constituted by a sweeping blade and a swinging bar disposed behind the sweeping blade; Wherein the conveying portion is constituted by a structure in which a plurality of forming rotors are pivoted about a shaft and a plurality of the shafts are arranged in parallel successively toward the rear upper portion of the frame so that soil and underground crops, And provide a subterranean crop harvester that has the soil shaved off.

Preferably, the molding rotator has a plurality of fingers formed radially, and is inclined at a predetermined angle to the rear of the rotation direction so that the stem, the string or the mulching film of the crop is hooked to the fingers so as to be smoothly transported backward without being tangled.

Preferably, the molding rotator has a shaft portion formed in a concave-convex shape so as to make concave-convex engagement with the adjacent molding rotator, thereby preventing the stem of the crop or the mulching film from being caught in the gap between the shaft portions of the individual molding rotors .

Preferably, the conveying unit is installed to adjust the angle so that the slope of the conveying unit can be adjusted according to the condition of the soil, thereby maximizing the efficiency of the soil during the conveying process.

More preferably, the underground crop harvester is further provided with a mulching film recoverer capable of recovering the mulching film covered with the field.

The underground crop harvester according to the present invention is constructed such that the conveying portion conveys soil and underground crops that have been crushed by the rotation of the star rotator to the back while shaking off the soil, Since the fur of the molding rotator is tilted in the opposite direction (backward) in the rotating direction, the stem of the crop can be effectively used, It is possible to stop the harvesting machine and remove the tangled foreign substance to remove the tangled string or the mulching film and prevent the tangling of the foreign body such as the string or the mulching film. So that it is possible to eliminate the concern that a foreign object entering the clearance of the engaging portion is caught in the engaging portion, It is possible to improve the efficiency of soil mud during the transportation process and to prevent the damage of crops by controlling the inclination according to the condition of the field (soil) or the kind of the crop, The mulching film can be collected and recovered at the same time as harvesting, thereby maximizing the efficiency of harvesting and collecting underground crops.

1 is a side cross-sectional view of a underground crop harvester according to the present invention,
2 is a front view of the underground crop harvester according to the present invention,
FIG. 3 is a perspective view of a star-shaped rotating body of the underground crop harvester according to the present invention,
4 is a front view of the molding rotator,
5 is a state in which the molding rotator shown in Figs. 3 and 4 is coupled to the shaft, Fig.
Fig. 6 is a schematic view showing a state in which soil and underground crops are transported rearward by rotation of a molding rotator; Fig.
7 is a side cross-sectional view showing a state of adjusting the angle of the feeding part and recovering the mulching film,
8 is a side cross-sectional view showing a state in which the two-stage transfer unit is removed.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 and FIG. 2 show the underground crop harvester according to an embodiment of the present invention. FIGS. 3 to 8 illustrate a feeder and a structure of a molding rotator constituting the feeder.

Hereinafter, harvesting of garlic among the underground crops will be described for convenience of explanation.

As shown in the drawing, the underground crop harvester 1 according to the present embodiment includes a frame 100 provided with a pulling portion 110 and a power transmission shaft 120 connected to a tractor at a front side; A crockery part 200 installed at a front lower part of the frame 100 for scouring underground crops planted on the croat with soil; A transfer unit 300 disposed behind the crook unit 200 for transferring the ground crop and the soil to the rear; And a mulching film collecting device 400 for picking up and recovering the mulching film F laid on the field.

In the present embodiment, the construction of the pulling part 110 and the power transmission shaft 120 are commonly used in a pulling type underground crop harvester (a crawler), so a detailed description thereof will be omitted. Hereinafter, Only the configuration will be described.

Reference numeral 126 denotes a power transmission shaft and reference numerals 127 and 128 denote belts for transmitting rotational force from the gear box 122 to the power transmission shaft 126 and from the power transmission shaft 126 to the conveyance unit 300.

A lower height adjustable auxiliary wheel 130 is attached to the lower portion of the frame 100 to adjust the depth and angle of the crook of the crook 100. The crook portion 200 On both sides thereof, a vertical blade 140 for separating both sides of the cornice.

The crook unit 200 includes a crockery blade 210 having a conventional moistening blade shape and a swinging bar 220 disposed behind the crocking blade 210. The crocking blade 210 The swinging bar 220 located behind the swinging blade 210 swings upward and downward to shake the clump together with the garlic and transfer the clay and garlic to the transferring part 300 side .

The swing bar 220 is pivoted by a rod 222 eccentrically connected to the output shaft 124 of the gear box 122 to which the power transmitting shaft 120 is connected, To the transfer unit 300.

The swinging bar 220 functions to separate the soil and the mulching film F covered on the field by the function of separating the soil and the garlic from the soil. Thus, when the mulching film F is recovered, .

3, a plurality of molding rotors 310 as shown in FIG. 3 are inserted into a single shaft 320 having a rectangular cross-sectional shape as shown in FIG. 5, A plurality of shafts 320 are connected in series by the belt 340 so as to be arranged in parallel and parallel to the rear upper portion of the frame 100 so that the shafts 320 rotate in a counterclockwise direction The soil and garlic (not shown) that have been picked up in the gull part 200 are transported backward and the ground is shaved.

3 and 4, a plurality of (six in the figure) fingers 312 are formed radially around the shaft portion 314 to be similar to a kind of starfish The finger 312 is formed in a state of being inclined to the rear side by about 15 to 20 degrees with respect to the rotation direction of the molding rotator 310 as seen from the front view of FIG. 4, Garlic stems, ropes, or mulching film pieces included in the clay and garlic passing between the upper and lower molding rotors adjacent to the upper and lower sides thereof are brought into contact with the fingers 312 to be transported rearward, A garlic stalk, a string, a mulching film or the like is caught on the finger, so that a phenomenon of entanglement does not occur.

The molding rotator 310 is provided with concave and convex engaging portions 313 and 315 at both right and left sides of the shaft portion 314 so that the molding rotator 310 The shaft portion 314 of the shaft 320 does not engage with the concave-convex joining portions 313 and 315. The shaft 320 has a square shape, And the shaft hole 316 of the molding rotator 310. Although there is no occurrence of a warping or a hatching phenomenon, a strong coupling is established between the adjacent molding rotors 310, Since the rotating body 310 is kept in a unified state, there is an advantage that distortion occurring in the molding rotator 310 inserted in the shaft can be solved.

Meanwhile, when the shaft portions 314 of the molding rotator 310 adjacent to the right and left sides without the concave-convex coupling portions 313 and 315 are coupled to the shaft 320 in a straight line contact with each other, A garlic stem, a loose pulp, a thin cord or a mulching film is caught in the gap, and as a result, these foreign substances are entangled and wound around the molding rotator 310. In this embodiment, The entire body 310 is concavo-convex connected to a zigzag state instead of a straight state, so that the above-described pinching and tangling can be effectively prevented.

In this embodiment, it is preferable that the molding rotator 310 is made of at least a soft synthetic resin or a rubber material so that the finger portion is not damaged.

The mulching film collector 400 includes a collection drum 410 installed on the frame 100 and a hydraulic motor 420 for rotating the collection drum 410 through a chain 422. The collection unit 410 The guide rollers 430 and 440 are installed in the middle of the roll up and the guide rollers 440 on the upper side are wound on the recovery drum 410 And a tension adjuster 442 for adjusting the tension of the mulching film F is provided.

7 shows a state in which the angle of the conveyance unit 300 is adjusted. In the present invention, the conveyance unit 300 includes a lower one-stage conveyance unit 300a and an upper two-stage conveyance unit 300b. The conveying unit 300b may be adjusted to have the same angle as the angle formed by the first conveying unit 300a or may be adjusted to have an angle smaller than that of the first conveying unit 300a so that the angle of the second conveying unit 300b may be varied depending on the viscosity of the soil So that the soil and garlic can be separated from each other as the rearward transfer is smoothly performed.

The angle of the two-stage conveying unit 300b can be adjusted by controlling the stretching and contraction of the turnbuckle 330. When the angle is gently adjusted, it is not necessary to apply a large amount of mud hairs. For example, When the angle of the two-stage conveying unit 300b is adjusted to be the same as that of the one-stage conveying unit 300a as shown in FIG. 1, It is suitable for harvesting garlic or garlic planted in a field with a high viscosity. The angle adjustment of the two-stage conveying unit 300b can be appropriately adjusted according to the field or the state of the soil to be harvested by the operator.

8 shows a state in which the two-stage conveying unit 300b is removed. In the case of harvesting garlic in a field with low moisture content, the soil and the garlic can be sufficiently separated even by the first-stage conveying unit 300a, It is possible to improve the maneuverability and the efficiency of the harvesting work.

As described above, according to the underground crop harvester of the present invention, the conveying part composed of the molding rotator is more effective than the conventional chain conveyor method or the drum type rotary shaft method, and the fingers of the molding rotator are arranged rearward Since the foreign body is not tilted, foreign matter is prevented from being entangled, and the molding rotatable to the right and left adjacent shafts is coupled to the shaft, so that the foreign material is not caught in the clearance of the coupling portion. It is possible to optimize the efficiency of soil mud during transportation by using or removing the slope of the 2nd stage conveying part by adjusting the inclination according to the condition of the soil (soil), and recovering and winding the mulching film at the same time as harvesting, There is an advantage to be able to.

As described above, the underground crop harvester according to the present embodiment can be used not only for harvesting garlic but also for harvesting peanuts and other kinds of underground crops. Therefore, the inclination of the conveyance part can be variously adjusted or the two-stage conveyance part can be removed.

1: Underground crop harvester
100: frame
110:
120: Power transmission shaft
122: Gear box
124: Output shaft
126: Power transmission shaft
127, 128: Belts
130: Auxiliary wheels
140: vertical blade
200:
210: The drowning day
220: Shaking bar
222: Load
300:
300a:
300b: two-stage conveying unit
310: molding rotator
312: finger
313, 315:
314:
316: Axial hole
320: Axis
330: Turnbuckle
340: Belt
400: mulching film stripper
410: Recovery drum
420: Hydraulic motor
422: Chain
430, 440: guide roller
442:

Claims (8)

A frame 100 provided with a pulling portion 110 and a power transmission shaft 120 connected to a tractor at a front side; A crockery part 200 installed at the front lower part of the frame 100 for scouring underground crops planted on the croat with soil; And a conveying unit 300 disposed behind the crook unit 200 for conveying the ground crop and the soil to the rear,
The crook unit 200 includes a crocking blade 210 and a swinging bar 220 disposed behind the crocking blade 210;
The transfer unit 300 has a structure in which a plurality of star rotators 310 are inserted and rotated by a shaft 320 and the shaft 320 is connected to the rear upper portion of the frame 100 in a chain- The shaping rotator 310 is provided with projections and depressions 313 and 315 on both left and right sides of the shaft portion 314 so as to project the ground And forms a concave-convex connection with the adjacent molding rotator (310) in a staggered state.
The method according to claim 1,
The swing bar 220 is pivoted by a rod 222 eccentrically connected to an output shaft 124 of the gear box 122 to which the power transmitting shaft 120 is connected, To the conveying unit (300).
The method according to claim 1,
A plurality of fingers 312 are radially formed on the outer periphery of the shaft portion 314 and the fingers 312 are inclined 15 to 20 degrees behind the rotational direction Underground crop harvester.
delete The method according to claim 1,
Wherein the conveying unit 300 is provided with a first conveying unit 300a and a second conveying unit 300b which is adjustable in angle behind the first conveying unit 300a.
The method of claim 5,
Wherein the two-stage feeder (300b) is angle-controlled by the turnbuckle (330) or separated from the frame (100).
The method according to claim 1,
Wherein a mulching film collector (400) is installed at the upper part of the frame (100) for collecting and recovering the mulching film (F) covering the garlic field.
The method of claim 7,
The mulching film collector 400 includes a collection drum 410 installed on the frame 100 and a hydraulic motor 420 for rotating the collection drum 410 through a chain 422. The collection unit 410 The mulching film F is lifted up through the upper part of the conveying part 300 and the upper part of the conveying part 300 and the guide rollers 430 and 440 are installed in the middle of the roll up, And a tension adjuster (442) for adjusting a tension of the mulching film (F) wound on the underground crop (410).

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