JP2001245519A - Harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save the labor for harvesting work by pulling crops such as soybeans being final harvest and the like and harvest the final harvest without damaging as far as possible. SOLUTION: This harvester is equiped with means E1 and E2 for enlarging the space S around the stem of the lower part (a) of a crop P and a conveyance means 2 for conveying the crops upward by holding the lower part (a) of the crop P having the space P around the stems of which is enlarged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technical field of a harvester for extracting crops such as green soybeans having a final crop on the ground portion from a field.

[0002]

2. Description of the Related Art Heretofore, in harvesting green soybeans and the like, an operator directly pulls out a crop growing in a field.

[0003]

As described above, the conventional work of harvesting green soybeans and the like requires a great deal of labor because it is performed manually. Accordingly, an object of the present invention is to save labor in this operation. Since crops such as green soybeans have a final crop on the ground portion of the crop body, when the crop bodies are pulled out from the field, it is necessary to minimize damage to green soybeans and the like.

[0004]

In order to solve the above-mentioned problems, the present invention takes the following measures. According to the first aspect of the present invention, there is provided a means for enlarging the space around the trunk at the lower part of the crop body, and a conveying means for holding the lower part of the crop body with the space around the trunk enlarged by the means and conveying it upward. It is a harvester characterized by that.

According to the second aspect of the present invention, the means for enlarging the space around the lower trunk of the crop body is constituted by earth removal means for removing soil around the trunk or root from the ground surface of the crop body. A harvester according to claim 1, wherein According to a third aspect of the present invention, there is provided the harvester according to the second aspect, wherein the discharging means and the transporting means are arranged at a front portion of the machine body.

According to a fourth aspect of the present invention, the transfer start end of the transfer means is located below the top of the ridge before being discharged by the discharge means behind the discharge action portion of the discharge means. The harvester according to claim 2, wherein the harvester is provided. In the invention according to claim 5, the means for enlarging the space around the lower trunk of the crop is moved by moving means for moving the crop around the trunk near the field scene upward from the ground surface of the crop. The harvester according to claim 1, wherein the harvester is configured.

According to a sixth aspect of the present invention, the transfer means is provided such that the transfer start end thereof is located behind the movement action part of the movement means and below the rear end of the movement action part. 5 is a harvester. The invention according to claim 7, wherein a ground contact body is provided which supports the discharging means or the moving means and the transport means while being grounded on a field scene. Harvester.

[0008]

According to the first aspect of the present invention, the means for enlarging the space around the lower stem of the crop body enlarges the space around the lower stem of the crop body growing in the field. Then, the transporting means holds the lower part of the crop body in which the space around the trunk is enlarged by the means, transports the crop body upward, and pulls the crop body from the field. Therefore, it is less likely that the final crop near the field scene of the crop body is held by the transporting means.

According to the second aspect of the present invention, the soil discharging means expands the space around the lower trunk of the crop body by removing the soil around the trunk or root from the ground surface of the crop body. Claim 3
In the described invention, the front part of the body is pulled downward by a reaction when the transport means holds the crop body and transports the crop body upward to pull out the crop body from the field, and accordingly, the earth discharging means is moved downward. It is less likely that the earth discharging means is lifted upward during the earth discharging action by being pulled.

[0010] In the invention according to claim 4, the transfer start end of the transfer means is located below the top of the ridge before being discharged by the discharge means behind the discharge action portion of the discharge means. As a result, the transporting means can properly hold the lower part of the crop body in which the space around the trunk is enlarged by the soil discharging means.

According to the fifth aspect of the present invention, the moving means moves the crop body portion around the trunk near the field scene upward from the ground surface of the crop body, and moves the space around the lower trunk of the crop body. To enlarge. According to the sixth aspect of the present invention, the transfer means has a transfer start end located behind the movement action portion of the movement means and below the rear end of the movement action portion, and the space around the trunk is enlarged by the movement means. The conveying means can properly hold the lower part of the cropped body.

In the invention according to claim 7, when the earth discharging means or the moving means and the conveying means are going to descend due to a reaction caused by the upward conveying action of the conveying means,
When the grounding body touches the field scene, the discharging means or the moving means and the transporting means are supported at a set height. Therefore, the earth discharging action by the earth discharging means continues properly, and the space around the trunk, which is expanded by the moving action by the moving means, does not become smaller than the set value. It can be transported upward while being securely held.

[0013]

According to the first aspect of the present invention, the space around the trunk at the lower part of the crop is enlarged, and the transport means holds the lower part of the crop at the upper part with the space around the trunk expanded. Since the plants are transported and the crops are withdrawn from the field, the crops such as green soybeans with the final crop on the ground can be mechanically withdrawn from the field, and the labor of harvesting such crops can be reduced. In addition, the final crop near the field scene of the crop body is less likely to be damaged by being held by the transporting means.

According to the second aspect of the present invention, the soil around the trunk or root below the ground surface of the crop is removed by the soil discharging means, and the space around the lower trunk of the crop is expanded. The final crop near the field scene of the crop is less likely to be damaged by being held by the transporting means, and the resistance to pulling out the crop is reduced and work can be performed efficiently.

According to the third aspect of the present invention, the transport means disposed at the front of the machine body is arranged at the front of the machine body due to a reaction when the crop body is held and transported upward to pull the crop body from the field. It is difficult for the earth discharging means to be lifted upward during the earth discharging operation because the earth discharging means is pulled downward, and the space around the trunk at the lower part of the crop body is narrowed by the lifting of the earth discharging means. This makes it more difficult for the final crop near the field scene of the crop body to be damaged by being held by the transporting means.

According to the fourth aspect of the present invention, the transfer start end of the transfer means is located below the top of the ridge before being discharged by the discharge means at the rear side of the discharge action portion of the discharge means. Position, the conveying means can properly hold the lower part of the crop body in which the space around the trunk is enlarged by the soil discharging means, and therefore, the final crop near the field scene of the crop body is held by the conveying means. Damage is even less likely to occur.

According to the fifth aspect of the present invention, the portion of the crop around the trunk near the field scene is moved upward by the moving means above the ground surface of the crop, and the space around the lower trunk of the crop is reduced. Because it is enlarged, the final crop near the field scene of the crop is less likely to be damaged by being held by the transporting means, and the means for expanding the space around the lower trunk of the crop with a simple configuration. realizable.

According to the sixth aspect of the present invention, the transfer means has a transfer start end located at a position rearward of the movement action portion of the movement means and below the rear end of the movement action portion. The transporting means can properly hold the lower part of the crop body in which the space has been enlarged, and therefore, it is even less likely that the final crop near the field scene of the crop body will be held by the transporting means and damaged.

According to the seventh aspect of the present invention, the ground discharging means or the moving means and the transport means are supported at a set height by the ground contacting the ground in a field scene, so that the discharging is performed. The soil discharging action by the soil means continues properly, and the space around the trunk, which expands due to the moving action by the moving means, does not narrow below the setting.
The transporting means can appropriately hold the lower part of the crop and transport it upward.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As one embodiment of the present invention, a harvester for extracting and harvesting crops whose final crop is soybeans from a field will be described in detail below. As shown in the figure, this harvester 1 has means E1 and E2 for expanding a space S around the trunk at the lower part a of the crop body P, and a crop body having the space S around the trunk expanded by the means E1 and E2. A transporting means 2 for holding the lower part a and transporting it upward is provided.

Further, as an example of the traveling device D, a pair of left and right wheels 4 that are driven to rotate and travel in valleys V on both sides of the ridge U are provided.
・ 4 is provided to make the aircraft self-propelled. The wheels 4 are driven to rotate by the transmission of power from an engine 6 mounted on the body frame 5 and arranged on the rear side of the body. Specifically, the pulley 6b attached to the output shaft 6a of the engine 6 and the body frame 5 on the front side of the body of the engine 6
A transmission belt 8 is wound around a pulley 7b attached to an input shaft 7a of a transmission case 7 disposed above, and the power of the engine 6 is transmitted to a transmission mechanism in the transmission case 7, and the transmission is transmitted through the transmission mechanism. The wheel 4 is transmitted to a transmission mechanism in a wheel transmission case 9 fixed to the left and right sides of the case 7, and protrudes outward in the left and right direction below a lower portion of the wheel transmission case 9 and 9 to rotate.・
4 is installed.

Further, a walking-type control handle 10 is provided at the rear of the machine body as a control section O of the machine so that the grip portion 10a is located at the rear end of the machine body. The grip portion 10a of the steering handle 10 is located above the engine 6, and the handle frame 10b on the front side thereof is inclined downward and extends forward, and the base portion is fixed to the support frame 11 fixed to the front portion of the body frame 5 standing upright. ing. In addition, side grip levers 12 that are operated by the gripping operation of the operator are provided on the left and right sides of the grip portion 10a of the steering handle 10 so that transmission to the left and right wheels 4 is individually cut off. be able to. Further, an operation portion 13 having an operation lever for stopping the driving of the transporting means 2 and an operation lever for stopping the driving of the traveling device D is provided near the grip portion 10a of the steering handle 10.

Next, a specific configuration of the working unit W provided with the transport means 2 will be described below. The working unit W is disposed at the front of the machine body, and is attached to the support frame 11 via a working unit support frame 14. The conveying means 2 includes an upper pulley 15 ・ 15, a lower pulley 16 ・ 16, and tension pulleys 17 ・ 17.
8 and the left and right conveyor belts 18 are driven to rotate by the drive rotation of the upper pulleys 15. A transmission structure for driving and rotating the left and right transport belts 18 will be described. First, the left and right drive shafts 19 projecting forward from the transmission case 7 from the transmission case 7 are connected to the lower surface of the transport means 2 via shaft couplings 19a. The transmission is connected to the input shafts 20a of the transmission units 20 provided on the side, and is transmitted to the upper pulleys 15 by the chain transmission mechanisms 21 in the transmission units 20. . Then, by this transmission mechanism, the left and right transport belts 18 are driven and rotated such that opposing portions on the left and right central sides move upward. At the opposing portions on the left and right center sides of the left and right transport belts 18, 18,
The lower part a of the crop body P is conveyed upward while being sandwiched from left and right.

The transport means 2 are arranged side by side as described above, and are arranged in a forwardly inclined position when viewed from the side of the machine body. Then, the lower end portions of the left and right transport belts 18 of the transport means 2 are arranged so as to be positioned at the height of the lower part a of the crop body P, and when the machine body advances with the traveling device D straddling the ridge U. The lower part a of the crop P enters between the lower end portions of the left and right transport belts 18 of the transport means 2 so as to be sandwiched and held. In this state, the portions of the left and right conveyor belts 18, 18 sandwiching the crop P are driven and rotated to move upward, so that the crop P growing on the ridge U is pulled out of the field and upward. It will be transported. Therefore, the crop P such as green soybean having the final crop B on the ground portion can be mechanically extracted from the field, so that the operation of extracting the crop P of this kind can be saved, and the final crop can be obtained. Since the lower part a of the crop P having a relatively small amount of green soybeans B is sandwiched by the transporting means 2, the crop P can be extracted with less damage to the green soybeans B.

In the harvester 1, means E1 and E2 for enlarging the space S around the trunk of the lower part a of the crop P (hereinafter referred to as lower space enlarging means) are provided. As a result, the transporting means 2 is connected to the lower space enlarging means E1, E2.
The lower part a of the crop body P in which the space S around the trunk is enlarged by the
Is held and transported upward, and the crop P is pulled out from the field. Therefore, it is less likely that the final crop B near the field scene of the crop body P will be held by the transporting means 2 and damaged. The space S around the trunk of the crop lower part a, which is enlarged by the lower space enlarging means E1 and E2 sufficient to exhibit the effect, is at least at the lower end of the conveying means 2 (the lower end of the left and right conveying belts 18). It is sufficient if the space S is such that the final crop B does not enter the front area.

The lower space enlarging means is constituted by, as an embodiment, an earth discharging means E1 for removing soil around a trunk or a root a1 below the ground surface of the crop body P. Of the crop body around the trunk a2 in the vicinity of the field scene above the ground surface, or by both the unloading means E1 and the moving means E2.

When the discharging means E1 is provided, the discharging means E
1 enlarges the space S around the trunk of the lower part a of the crop P by removing the soil around the trunk or root a1 from the ground surface of the crop P. Therefore, the final crop B near the field scene of the crop P is less likely to be damaged by being held by the transporting means 2, and the pull-out resistance of the crop B is reduced, so that work can be performed efficiently.

When the moving means E2 is provided, the moving means E
2 moves the crop body part around the trunk a2 near the field scene upward from the ground surface of the crop body P and moves to the lower part a of the crop body P.
The space S around the trunk of is enlarged. Accordingly, the final crop B near the field scene of the crop P is less likely to be damaged by being held by the transport means 2 and the upward movement of the crop body near the field scene is performed. Even if the body is constituted by a non-driving body, it can be performed accurately and the lower space enlarging means can be realized with a simple construction.

Further, the discharging means E1 and the conveying means 2 are arranged at the front of the body. Thereby, the conveying means 2
Holds the crop P and transports it upward to remove the crop P from the field.
The front part of the fuselage is pulled downward by the reaction when trying to pull out, and the discharging means E1 is pulled downward accordingly, and the discharging means E1 is lifted upward by the reaction received from the ridge U during the discharging operation. Less likely to occur. Therefore, it becomes difficult for the space S around the trunk of the lower part a of the crop body P to be narrowed due to the lifting of the earth discharging means E1,
The final crop B near the field scene of the crop body P is transport means 2
And it is less likely to be damaged.

The transport start end of the transporting means 2 is located at the rear side of the discharging section 22 of the discharging means E1.
Is provided below the ridge top T before it is discharged. As a result, the transport start end of the transporting means 2 is located below the ridge top T before being discharged by the discharging means E1 behind the discharging action portions 22 of the discharging means E1. In addition, the conveying means 2 can properly hold the lower part a of the crop P in which the space S around the trunk is enlarged by the discharging means E1. Therefore, it is even less likely that the final crop B near the field scene of the crop body P will be damaged by being held by the transporting means 2.

It should be noted that the discharging section 22.2 of the discharging means E1.
As one specific example, as shown in FIG. 4, a rotating body with a discharging claw having a plurality of discharging claws 22 a spirally protruding from the outer periphery thereof is provided on the left and right sides of a stem m of a lower part a of the crop body P, It is provided so as to be located just on both sides. A transmission mechanism for driving and rotating the rotators 22 with the earth discharging claws includes a shaft 23 that rotatably supports the lower pulleys 16 from the input shafts 20 a of the transmission unit 20 of the conveying means 2. 23 is transmitted to the shaft 23 via a chain transmission mechanism 24 and a bevel gear mechanism 25 25 and a chain transmission mechanism 26
26, a shaft on which the rotating bodies 22 with the discharging nails are mounted so as to rotate integrally with each other via 26, and the axis of each of which is in front of the left and right conveyor belts 18 of the conveyor means 2 is directed vertically. It is provided so as to transmit to the shafts 27 provided in the posture. The bevel gear mechanisms 25, 25 and the chain transmission mechanisms 26, 26 are provided in transmission cases 28, 28 mounted on the upper surfaces of the lower left and right ends of the conveying means 2, and are arranged below the front end lower surfaces of the transmission cases 28, 28. The shafts 27, 27 on which the rotating bodies 22, 22 with the discharge nails are mounted, protrude. The rotating body 22 with the discharging claw that is provided and driven and rotated in this manner.
22, 22 is a soil discharging claw 22a that rotates the left and right soil of the trunk or root a1 below the ground surface of the crop body P as shown in FIG.
22a ... can be forcibly scraped and discharged to the left and right, and can be removed in a state where almost all or a certain amount of soil remains. Thereby, the space S around the trunk of the lower part a of the crop P can be reliably and quickly expanded, and the operation of pulling out the crop P from the field can be performed without damaging the final crop B near the field scene. In addition, it can be performed quickly. By the way, a rotating body 22 with a discharging claw as a driving body with a discharging action
Reference numeral 22 is not limited to the configuration as illustrated.

The rotating body 22 with the discharging claw that is driven and rotated.
Instead of 22, earth discharging plates 29, 29 as shown in FIG. 5 may be provided. As shown in FIG. 5, the dumping plates 29 have a front end formed at an acute angle in the plane view of the machine body, and the acute angle portion is located immediately adjacent to the left and right sides of the trunk m of the lower part a of the crop body P. Are formed, and inclined surfaces 29b are formed so as to incline in the left-right direction so that the side faces become left and right outward as going from the acute angle to the rear side. It shall enter into the basement of the ridge top part T, and shall act so that soil may be discharged to right and left along the slopes 29b. Thereby, the space S around the trunk of the lower part a of the crop P can be expanded with a simple configuration, and the operation of pulling out the crop P from the field does not damage the final crop B near the field scene. And a simple configuration.

In the structure of the moving means E2, the transfer start end of the transferring means 2 is connected to the moving action section 30 of the moving means E2.
It is provided on the rear side of 30 below the rear end of the moving action section. Thereby, while the moving means E2 is moving the crop part around the trunk a2 near the field scene above the ground surface of the crop P properly and upward, the space S around the trunk is enlarged. The transporting means 2 appropriately holds the lower part a of the crop body P and transports it upward. Therefore, it is even less likely that the final crop B near the field scene of the crop body P will be held by the transport means 2 and damaged. Further, the rear end of the moving action section 30 of the moving means E2 is
Of the transport means 2 while the space S around the trunk of the lower part a of the crop is expanded by the moving means E2. The lower part a of the crop body P is sandwiched between the two, so that the above-mentioned effect of the moving means E2 can be more reliably obtained. In this embodiment, both the discharging means E1 and the moving means E2 are provided. However, when only the moving means E2 is provided, the right and left conveying belts 1 of the conveying means 2 are provided.
8 and 18 are provided so that the lower ends are located above the ridge top T and near the ground surface.

Incidentally, the moving action section 30-3 of the moving means E2.
As one specific example of the crop body lifting plate 30, a crop body lifting plate 30 having a top plate portion 30a having a triangular shape in a plane view of the machine body as shown in FIG. 2 is provided. The upper plate portions 30a of the upper and lower portions 30a and 30a are positioned so that the upper surface of the front end thereof is lower than the height where the final crop B located at the lowermost end of the crop P is normally located. The upper surface of the portion immediately above the transport start end (the front ends of the transport belts 18) is raised higher than the upper end position of the transport start end (the front ends of the transport belts 18) of the transport means 2. Is provided so as to have a surface inclined on the upper surface. In addition, this crop body lifting plate 30
30 has inner plate portions 30b, 30b extending downward from the left and right inner ends of the upper plate portions 30a, and the rear lower end portions thereof are fixed to the upper surfaces of the left and right lower end portions of the transfer means 2 to perform work. It is configured to be attached to the section W. As shown in FIG. 6, the crop body lifting plates 30 provided in this way enter the lower part of the final crop B in which the front ends of the upper plate parts 30 a are located at the lowermost end of the crop body P, and Thus, the final crop B located at the lowermost end of the crop P is lifted by the upper surface inclined upward and rearward of the upper plate portions 30a. Thereby, the space S around the trunk of the lower part a of the crop body P can be enlarged, and the operation of pulling out the crop body P from the field can be performed without damaging the final crop B near the field scene. Can be realized with a simple configuration. In addition, the lower part a of the crop body P is
The left and right inner plate portions 30b and 30b pass through the space between the left and right sides of the left and right inner plate portions 30b and 30b, and are transported while being held by the transporting means 2.
Also acts as a guide member for guiding to the conveying means 2. Further, instead of using the plate member as described above, the moving action portions 30 may be configured so as to obtain the same function by using a bar-like member that rises backward. It is also possible to provide a rugged belt that is driven in the same direction as the top plate of the 30 and that is driven and rotated backward, so that the crop body near the field scene is forcibly lifted upward.

Further, the harvester 1 is provided with grounding members 31, 31 which are in contact with the field scene and support the lower space expanding means E 1, E 2 and the transport means 2. Accordingly, when the lower space enlarging means E1, E2 and the transporting means 2 are going to descend due to a reaction caused by the upward transporting action of the transporting means 2, the grounding bodies 31, 31 are brought into contact with the field scene, whereby the lower part is lowered. The space expanding means E1, E2 and the transport means 2 are supported at the set height. Therefore, the discharging action by the discharging means E1 is properly continued, and the space S around the trunk, which is expanded by the moving action by the moving means E2, does not become smaller than the set value. Can be transported upward while the transport means 2 properly holds.

Specifically, the grounding members 31 are freely rotatable left and right grounding wheels 32 that support the working portion W by being grounded on the left and right sides of the ridge U. The right and left sides of the ridge U are grounded to the left and right valleys V of the ridge U and support the working unit W. The grounding wheel 32 and the grounding frame 3
Reference numerals 3 and 33 are attached to left and right grounding body frames 34 and 34; 35 and 35, which are fixed to the working section support frame 14 of the working section W.

The left and right grounding body frames 33.3
3 at the front end of the conveying means 2 and the left and right valleys V of the ridge U in front of the front ends of the lower space enlarging means E1 and E2. Guide bodies 36 are provided which are divided and extend diagonally upward.
The crop bodies P growing on the ridges U in the field are moved by the left and right guide members 36 and 36 to the right and left transfer belts 1 of the transfer means 2.
8 and 18, the entanglement with the growing crop P on the adjacent ridge U is eliminated, and the crop P is satisfactorily sandwiched by the transporting means 2 to move upward. They move and become pulled out.

Further, the harvester 1 is provided with a support 37 for supporting the upper side b of the crop P transported by the transport means 2. Specifically, the support members 37 are fixedly mounted on the upper surfaces of the belt covers 2a that cover the upper side surfaces of the left and right transport belts 18 of the transport means 2 and stand upright. Further, bar-shaped support frames 39, 39 extending in the transport direction of the transport means 2 are mounted near the left and right sides of the opposing portions of the transport belts 18, 18 of the transport means 2 so as to be vertically adjustable. Belt covers 2a, 2 of support frames 39, 39
(a) Adjusting the vertical height with respect to the upper surface includes screws for fastening and fixing the engagement portions between the support mounting frames 38 and 38 and the mounting portions of the support frames 39 and 39, and the knobs 40 and 40 fixed thereto. The structure is such that 40 and 40 are loosened by turning, and after adjusting to an appropriate height, they are tightened and adjusted again. Thereby, the crop P transported by the transporting means 2
The lower part a is supported by being sandwiched by the transport means 2, while the upper side b is supported by the support 37. Therefore, the crop P hardly falls down during the transportation by the transporting means 2, and therefore, the crop P is less likely to fall down during transporting and the green soybean B on the upper side b is less likely to be caught and damaged by the transporting means 2. When a plurality of crops P are successively pulled out and transported, it is difficult for the plurality of crops P to be entangled with each other, and the transporting means 2 is formed by entanglement of the crops P with each other. The crops P are not individually discharged from the end of the transport means 2 and are less likely to be caught on the end of the transporting means 2, so that a plurality of crops P can be satisfactorily continuously harvested.

The right and left support frames 39 of the support 3
39 has a front portion 39a which is bent outward in the left and right directions, so that the crop P smoothly enters between the left and right support frames 39. Further, the rear portions 39b and 39b are formed in a shape bent to the side of the body, in this embodiment, to the left side,
The crop P discharged from the transporting means 2 is easily discharged to the side of the machine. The front portions 39a and 39a and the rear portions 39b and 3 of the left and right support frames 39 and 39, respectively.
9b is provided so as to be freely adjustable along the transport direction of the transport means 2 with respect to the intermediate portions 39c and 39c, and is adjusted to an appropriate position according to the difference in the height of the ridge U and the size of the crop P. it can. Front part 39 of support frame 39
a · 39a and intermediate portion 39c · 3 of rear portions 39b · 39b
For adjusting the position with respect to 9c, screws for fastening and fixing the engagement portions between the front portions 39a and 39a and the rear portions 39b and 39b and the intermediate portions 39c and 39c are fixed to the knobs 41 and 41;
41, 41 is turned to loosen, and when it is in an appropriate position, it is tightened and adjusted again.

By the way, the crop body P discharged from the transporting means 2 is supported by the support frames 39 which are bent to the side of the machine body.
Are guided by the rear portions 39b and 39b and fall into the field on the side of the machine body, or are received on the receiving table 42 provided at the rear portion of the transporting means 2. When the crop P has accumulated on the cradle 42, the worker drops the crop P to the field by hand.

When the harvester 1 configured as described above is used to extract and harvest the crops P that have grown on the ridges U in the field, the engine 6 is first started and the traveling device D is driven.
The right and left wheels 4, 4 are positioned on the left and right valleys V of the ridge U, and the aircraft is straddled by the ridge U, so that the working unit W is driven to travel along the ridge U. Then, the crop body P grown on the ridge U
Are the lower part of the crop body P in which the space S around the trunk of the lower part a of the crop P is expanded by the lower space expanding means E1 and E2, and the space S around the trunk is expanded by the lower space expanding means E1 and E2. a is held by the transporting means 2, the crop P is transported upward, and the crop P is pulled out of the field.
Therefore, the crop P such as green soybean having the final crop B on the ground portion can be mechanically extracted from the field, and labor for extracting the crop P of this kind can be reduced. The crop body P can be extracted so that the final crop B near the field scene is hardly damaged by being held by the transport means 2.

[Brief description of the drawings]

FIG. 1 is a side view of a harvester.

FIG. 2 is a plan view of the harvester.

FIG. 3 is an explanatory view showing an operation state of the harvester in a side view.

FIG. 4 is a plan view showing a discharging means and a conveying means.

FIG. 5 is a plan view showing another structure of a discharging means and a conveying means.

FIG. 6 is a sectional view showing an operation state of the lower space enlarging means.

[Explanation of symbols]

 1: Harvester 2: Conveying means 22 ・ 22: Discharge action body 30 ・ 30: Moving action body E1: Discharge means (one embodiment of lower space enlarging means) E2: Moving means (one embodiment of lower space enlarging means) Example) P: crop body a: lower part of crop body b: upper side of crop body B: final crop

Continued on the front page (72) Gen Odagiri, Inventor, 1st section of Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. (Reference) 2B075 FA01 FA04

Claims (7)

[Claims] A means for enlarging a space around a trunk at a lower portion of a crop body and a conveying means for holding the lower part of the crop body with the space around the trunk enlarged by the means and conveying the same upward. A featured harvester. 2. The means for enlarging the space around the lower trunk of the crop body is constituted by earth removal means for removing soil around the trunk or root from the ground surface of the crop body. The harvester according to claim 1. 3. The harvester according to claim 2, wherein said discharging means and said conveying means are arranged at a front part of the machine body. 4. The method according to claim 1, wherein the transport start end of the transporting means is provided below the top of the ridge before being discharged by the discharging means, behind the discharging section of the discharging means. The harvester according to claim 2, characterized in that: 5. A means for enlarging a space around a lower trunk of a crop body by moving means for moving a crop body portion around a trunk near a field scene upward from the ground surface of the crop body. The harvester according to claim 1, characterized in that: 6. The harvester according to claim 5, wherein the transfer means is provided such that a transfer start end thereof is located behind the movement action part of the movement means and below the rear end of the movement action part. 7. A harvesting machine according to claim 2, wherein a ground contact body is provided to support the discharging means or the moving means and the transport means in contact with a field scene. .