JP2003116321A - Bean harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable beans planted in a mulched ridge to be harvested smoothly without damaging a mulch film. SOLUTION: This bean harvester has an extracting, nipping and conveying device 11, and a right and left pair of film-guiding bodies 31 arranged at the lower part of a site of an extracting and conveying route by the extracting, nipping and conveying device 11, positioned at the vicinity of the ground and along the front and rear direction. The extracting, nipping and conveying device 11 extracts the crop W planted in a field by nipping the crop W by the right and left nipping and conveying belts 13, and conveying the nipped crop W in the rear upper direction. The film-guiding bodies 31 are protruded in the front side from the extracting, nipping and conveying device 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a harvesting machine for harvesting beans such as edamame cultivated in ridges mulched.

[0002]

2. Description of the Related Art As a bean harvester, for example, Japanese Patent Laid-Open No.
As disclosed in Japanese Unexamined Patent Publication No. 6-169515, by sandwiching a crop planted in a field with left and right chains and transporting it upward and rearward, the crop is pulled out along with the root and transported, and the root is cut off during the transportation. The one configured as described above is proposed.

[0003]

It is considered that the above-mentioned bean harvester exerts a desired function in harvesting beans cultivated in the open field, but is unsuitable for harvesting work with ridges mulched. It was a thing. That is, in the above configuration, when the crop is clamped and pulled out, the mulch film may be caught on the root part and pulled up as the crop is pulled out, and sometimes the mulched film is pulled up to the left and right chains. It is expected that a situation will occur in which the work cannot be continued due to being pinched or the mulch film is severely torn.

Particularly, in the cultivation of edamame, after the early harvest, the green edamame of late may be planted and cultivated in the ridges where the mulch film remains. In such a case, when the mulch film is greatly damaged during the early harvest, It takes a lot of time and effort to re-attach the film,
It will be expensive.

The present invention has been made paying attention to such a point, and makes it possible to smoothly harvest beans from mulched ridges without damaging the mulch film. The purpose is to

[0006]

Means for Solving the Problems [Structure, Action, and Effect of Invention According to Claim 1]

The bean harvester of the invention according to claim 1 is provided with a pulling and pinching and conveying device for pulling out the crops which are planted in the field by being pinched by the left and right pinching and conveying belts and conveyed backward and upward. A pair of left and right film guides located near the ground and extending in the front-rear direction are provided to face each other at small intervals below a pulling and conveying path portion of the pulling and pinching and conveying device.

According to the above structure, when the crop is pulled out by being clamped by the pulling and pinching / conveying device, even if the mulch film caught on the root part is pulled up, the mulch film is received from above by the left and right film guides. , Only the root is pulled out without being pulled up greatly. In this case, the mulch film left in the ridges has the planting holes only slightly widened by the extraction of the root portion, and the next crop can be planted and cultivated in the planting holes.

Therefore, according to the invention of claim 1, the beans can be smoothly harvested from the mulched ridges without damaging the mulch film. Therefore, it becomes possible to carry out re-cultivation cultivation without the need to re-cover the mulch film, which is effective in economically and efficiently cultivating and harvesting beans.

[Structure, Operation, and Effect of Invention According to Claim 2]

According to a second aspect of the invention, there is provided the bean harvesting machine according to the first aspect of the invention, wherein the film guide body is made to project further forward than the pull-out and nip transport device.

According to the above construction, the mulch film that is about to be pulled up by being caught by the root of the crop to be pulled out is received by the film guide body that is projected further forward than the pulling-out and nipping and conveying device. It is possible to smoothly and continuously pull out crops without being pinched by the pinching start end portion of the pulling-out and pinching / conveying device, which contributes to improvement in the efficiency of harvesting work.

[Structure, Action, and Effect of Invention According to Claim 3]

According to a third aspect of the invention, in the beans harvesting machine according to the first or second aspect of the invention, the auxiliary guide rods are extended upward from the left and right film guide rods, respectively, and are opposed to each other. The lateral distance between the auxiliary guide rods is narrowed toward the rear.

According to the above structure, even if the mulch film is received by the film guide body, if the mulch film is strong, the mulch film may be pulled up so as to slip through between the left and right film guide bodies. Even in such a case, both auxiliary guide rods facing the rear narrowing will catch this and further film pulling will be prevented, so that the crop can be pulled out smoothly and continuously without significantly damaging the mulch film. You can

[Structure, Action, and Effect of Invention According to Claim 4]

A pulse harvester according to a fourth aspect of the present invention is the pulse harvester according to any one of the first to third aspects, in which the edge portions contacting the mulch film to be pulled up are provided inside the left and right film guides facing each other. It has been formed.

According to the above structure, when the mulch film is about to be pulled up, the inner lower edge portion of the film guide body comes into strong contact with the mulch film, resulting in a large sliding resistance with the mulch film. The film pull-up suppressing function can be effectively exerted.

[Structure, Action, and Effect of Invention of Claim 5]

According to a fifth aspect of the present invention, there is provided a legume harvesting machine comprising a plurality of pulling and pinching / conveying devices for pulling out crops by clamping the crops planted in the field by the left / right clamping / conveying belts and conveying them upward and backward. It is arranged in parallel with each other, and an intermediate grass body is arranged at the intermediate front position of the adjacent pulling and pinching and conveying device so as to be vertically movable following the ground contact, and this intermediate grass body is provided with a free-wheeling roller for grounding. And

[0021] According to the above-mentioned structure, the intermediate grass bodies are divided near the roots of the two adjacent crops as the machine progresses, and the crops of each row are guided to the left and right pulling and pinching and conveying devices. The grass body will move up and down following the ground contact while rolling on the mulch film hung on the ridges through the idler roller, without catching and breaking the mulch film with the intermediate grass bodies. It moves smoothly over uneven ridges and exerts a good weeding function.

[Structure, Action, and Effect of Invention According to Claim 6]

According to a sixth aspect of the invention, there is provided a bean harvesting machine according to the fifth aspect of the invention, wherein the intermediate grass is provided with a sled located behind the idler roller, and the sled is idled. It is located above the lower end of the roller.

According to the above construction, the sled body is installed a little higher than the lower end of the idler roller, and in the ridges where the idler roller is less likely to sink, only the idler roller is wide and comes into contact with the mulch film to smoothly roll with less resistance. It moves dynamically and follows the ground without being caught in the mulch film. In addition, even if the ridges are soft and the free-rolling roller sinks, the sled will come into contact with the mulch film over a large area, and it will be possible to avoid catching the mulch film with the intermediate grass, and the ridge hardness will increase. Regardless, it moves smoothly over the ridges without damaging the mulch film and exerts a good weeding function.

[Structure, Action, and Effect of Invention According to Claim 7]

According to a seventh aspect of the invention, there is provided a bean harvesting machine according to the sixth aspect of the invention, wherein the intermediate horticultural body and the sled body are configured so that their angular postures in the front-rear direction with respect to the ground can be adjusted. .

According to the above construction, the angles of the intermediate grass bodies and sled bodies can be adjusted according to the height of the ridges, and the work can always be performed under a suitable weeding action.

[Structure, Action, and Effect of the Invention According to Claim 8]

According to an eighth aspect of the invention, there is provided a bean harvesting machine according to any one of the fifth to seventh aspects of the invention, which is located below the pulling / conveying path portion by the pulling / nipting / conveying device and located near the ground. A pair of left and right film guides along the direction are arranged facing each other with a small interval.

According to the above structure, the mulch film can be prevented from being damaged by the intermediate grass bodies, and the mulch film can be prevented from being pulled up and damaged by the film guide while the mulch film is pulled out. It is extremely effective in performing

[0031]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment in which the present invention is applied to an edamame harvesting machine will be described with reference to the drawings. As shown in FIG. 1 and FIG. 2, this edamame harvesting machine is configured to extract and harvest the two-row crop (edamame) W cultivated in the ridge U on which the mulch film is hung, together with the root, A three-wheeled traveling machine body A is equipped with a two-row digging harvesting section B, and a driving section C equipped with a loop-shaped steering handle 1 is arranged on the right side of the rear of the machine body. Has become.

The traveling machine body A is equipped with a pair of left and right rear drive wheels 2 that straddle the ridge U and one front idler wheel 3 that moves on the right ridge bottom, and is mounted on the front part of the driving section C. The power from the engine 4 is transmitted to the left and right drive wheels 2 via the chain case 6 after being shifted in the transmission case 5. The idle wheel 3 that functions as a gauge wheel that determines the height of the harvesting section B above ground is vertically adjustable by rotating the hand handle 7.

In the harvesting section B, a pulling-out conveying section 10 for pulling up two rows of edamame W together with the roots and conveying them upward and backward, an earth removing device 50 acting on the roots of the crops W to be extracted and conveyed, and pulling-out conveyance. The transporting section 60 for recovery, which transports the two crops W upward and backward, merges them, and sends out from the transporting exit E, the transporting exit E
A collection stand 70 for receiving and collecting the crop W sent from the robot in a horizontal position is provided, and the detailed structure of each part will be described below.

[Pull-out and Transport Section 10]

As shown in FIGS. 3 and 4, the pulling and conveying section 10 pulls the crop W together with its roots by pinching near the roots of the crops W planted in the field from the left and right and conveying them upward and rearward. The two sets of pulling and pinching / conveying devices 11 are arranged in parallel on the left and right, and a locking pulling / conveying device 12 that locks and conveys the crop W upward and rearward is provided above each of the pulling and pinching and conveying devices 11.

The pull-out and nip conveying device 11 is configured to rotate inwardly with the pair of left and right nip belts 13 facing each other.
The crop W sandwiched between the two sandwiching belts 13 is pulled out and transported, and each transport belt 13 has a structure shown in FIGS.
As shown in FIG. 5, a sponge-like wide elastic belt portion 13b is connected to the outer peripheral surface of the V-belt portion 13a. Guide rails 14 made of round pipes are provided above and below the portion 13a. The upper and lower guide rails are welded and fixed to a common metal fitting 15 at two points in the rail longitudinal direction, and the front and rear metal fittings 1
5 is pivotally connected to the free ends of a pair of front and rear arms 17 that are swingably mounted on the transport frame 16 around fulcrums a and b, and the four guide rails 14 are configured to move in parallel and in parallel. The arm 17 is urged to swing by a spring (not shown), so that the holding belt 13 is elastically pressed from the back surface toward the path side, and the holding belt 13 is prevented from shifting up and down while being moved toward the path side. It is configured to elastically press and exert a sandwiching force that overcomes the pull-out resistance by the sandwiching belt 13 that faces the elastic belt. In addition, the retreat limit of each arm 17 is regulated by contact with the stopper pin 18.
Further, as shown in FIG. 7, in the return path of each holding belt 13, the tension roller 20 urged by the spring 19 swings to exert a proper tension on the holding belt 13. There is. Further, the tension roller 20 acting on the inner holding belt 13 arranged back to back is urged to swing by a common spring 19.

A star-shaped scraping rotor 22 made of a rubber plate material is attached to the upper portion of the front pulley 21 around which the holding belts 13 are wound so as to rotate integrally with the front pulley 21. The crop W is introduced into the nipping start portions of the left and right nipping belts 13 that are formed without fail and introduced. Further, as shown in FIG. 10, a guide rod 23 bent in a tapered chevron shape is provided at the front part inside the two pulling and conveying paths.
Is fixed so as to project forward, and the stem extending to the middle of the planting strip is pushed to the left and right to be guided to the starting end of the pulling and conveying path.

As shown in FIGS. 2 and 12, a tapered intermediate grass unit 24 is provided further forward of the guide rod 23. This intermediate grass body 24 is attached to the front end of a support arm 26 supported by a rear harvesting frame 25 so as to be vertically swingable around a fulcrum c.
An idler roller 27 is provided on the lower surface of 4, and a pair of left and right weeding rods 28 are angularly extended rearward and upward on the upper surface of the intermediate grass body 24. Then, since the idler roller 27 of the intermediate grass body 24 rolls and moves on the multi-film F, the intermediate grass body 24 moves up and down following the unevenness of the upper surface of the ridge without catching and breaking the multi-film F. It is configured to scoop up the stem extending near the top of the ridge and push it to the left and right. here,
The support arm 26 of the intermediate grass body 24 passes above the guide rod 23 bent in a mountain shape, and when the direction is changed, the body is tilted rearward around the rear drive wheel 2 and the harvesting section B is obtained.
When swinging up, the supporting arm 26 swings downward by its own weight, but is received by the guide rod 23 and does not lower further.

As shown in FIG. 4, FIG. 8 and FIG. 9, a film guide 31 made of a round bar and long in the front-rear direction is harvested via a bracket 32 below the left and right sides of the two-drawing conveyance path. The height and the front-back inclination angle are attached to the sub-frame 25 so as to be adjustable. The film guide body 31 is located near the root of the green soybeans W of each line, and when the crop W is pulled out, even if the mulch film F is lifted, it is pressed down by the film guide rod 31 to prevent the mulch film F from rising greatly. Suppress. Further, the film guide body 31 is extended to the front side of the front end of the holding belt 13 to prevent the floating multi-film F from being caught in the start end portion of the holding belt 13.
In addition, the auxiliary guide rods 33 extend in a cantilevered manner from the front-rear intermediate portion of the film guide body 31 toward the upper rear, and the distance between the auxiliary guide rods 33 on both sides of the pulling and conveying path becomes narrower toward the rear. The left and right auxiliary guide rods 33 catch and prevent the multi-film F from slipping up between the left and right film guide bodies 31 and pulled up, and the crop W is broken by breaking the multi-film F that is prevented from being lifted.
The roots of the tree are passing through.

As shown in FIG. 10, the locking and pulling and conveying device 12 arranged above the left and right pulling and nipping and conveying device 11 has a claw belt 3 integrally formed with a locking claw 34.
5 is wound around and stretched, and above the lateral outside of the pulling and conveying path in the pulling and pinching and conveying device 11 of each line.
The locking pulling-up and conveying device 12 is arranged in a front-down inclined posture which is parallel to the pulling-out and nipping / conveying device 11 in a side view, and the locking and pulling-up and conveying device 12 extends largely forward of the front end of the pulling-out and nipping conveying device 11. Further, as shown in FIG. 11, the front portion of the locking and pulling and conveying device 12 is configured to be swingably adjustable and fixed to the left and right around a fulcrum d, and the left and right portions can be adjusted according to the width of the ridge U and the like. It is configured so that the distance between the front ends of the locking and pulling and conveying device 12 can be adjusted.

The guide rod 23 bent in a mountain shape is extended rearward and upward, and is continuously extended rearward from the upper end of the extended portion, and this extended portion follows the movement path of the claw tip of the locking and pulling and conveying device 12. It is formed on the transport guide 23a.
Then, the front part of the locking and pulling and conveying device 12, which is not provided with the conveyer guide 23a, exerts a function of scraping the crop W which does not reach the starting end portion of the pulling-out and nipping and conveying device 11 and scraping it upward and rearward. . Therefore, the crop W on the ridge is first scraped by the front part of the locking and pulling and conveying device 12 and guided to the starting end of the pulling and pinching and conveying device 11, while being clamped near the base and conveyed backward and upward. It is pulled out from the ridge U and the mulch film F.

At the front part of the left and right locking and pulling and conveying device 12, side portions for picking up the stems of the crop W extending to the shoulders of the ridges U and near the bottom of the ridges and leading to the starting end of the locking and pulling and conveying device 12 are provided. A grass body 41 is provided. This side grass 41
As shown in FIG. 13, a round bar material is configured in a cantilever shape that rises rearward, and the tip of the support arm 42 extending forward from the harvesting frame 25 is angled vertically around a lateral fulcrum e. Adjustable and fixed. And
The support arm 42 itself is a base arm 24a attached to the harvesting frame 25 so as to be capable of lateral swing adjustment and fixed about a vertical fulcrum f, and a front arm of the base arm 24a which is rotatably and longitudinally extended and rotatably inserted to be set. It consists of the front arm part 24b fixed by the bolts 43, and by operating each adjustment part, the lateral position of the side grass 41, the front-back position, the rake angle, and the lateral inclination angle are expanded. It is configured so that it can be adjusted according to the condition.

On the left and right lateral sides of the harvesting section B, there is provided a weed rod 44 for preventing the unharvested crop W from being trampled by the front idler wheel 3 and the rear drive wheel 2. The arm 42 is provided from near the front end of the arm 42 to a rear portion of the rear drive wheel 2. As shown in FIG. 2, the sward rod 44 can be swung so as to switch between a hay action position that surrounds the front idler wheel 3 and the rear drive wheel 2 from the lateral outside and a retracted erected posture. It is configured.

[Soil removal device 50]

The earth removing device 50 is a pulling and pinching and conveying device 1.
1 located below the rear part of the soil removal tool 51 on the left and right of the root passage of the crop W that has been pulled out and conveyed.
Is reciprocally driven back and forth to impart a loosening action and vibration to the root Wn to drop the adhering soil.

As shown in FIGS. 15 and 16, the earthmoving tool 51 is formed by bending a bar material in a corrugated form, and is provided on the left and right sides of the rocking support shaft 52 horizontally mounted on the harvesting frame 25. Two upper and lower, and left and right earth removing tools 51 are attached to the pair of support members 53 so as to face each other. Then, the push-pull rod 56 extending forward from the eccentric crank portion 55 provided at the end of the drive shaft 54 laterally mounted on the rear of the machine body is attached to the drive arm 57 provided at the end of the swing support shaft 52. The rocking support shafts 52 are connected and reciprocally rocked with the rotation of the drive shaft 54, so that the four earth removing tools 51 make wide contact with the root Wn in a vertical direction and move back and forth. It is configured to reciprocate and efficiently loosen soil.

[Recovery Transport Section 60]

The recovery transporting unit 60 merges and transports the two crops W that have been pulled out and transported by the left and right pulling and pinching and transporting devices 11 by the left and right rear transporting means, and sends them to the recovery platform 70 described later. Each of the left and right rear transport mechanisms has a lower holding transport device 61L, 61R.
And the upper locking transfer devices 62L and 62R.

Each of the lower sandwiching and conveying devices 61L and 61R constituting the left and right rear conveying means is composed of a resin-made chain 63 with a protrusion and a sandwiching rail 54 which faces the chain 63, and from the lower rear end of the pull-out and sandwiching and conveying device 11. It is arranged in parallel with the pull-out and nip transport device 11 in a side view.

The right upper locking conveyance device 62R comprises a claw belt 66 integrally formed with a locking claw 65 and a conveyance guide 67 arranged along the movement path of the claw tip.
It is arranged in parallel with the locking and pulling and carrying device 11 in a side view from just above the terminal end of the locking and pulling and carrying device 12 on the right side. The transport guide 67 is an extension of the transport guide 23a of the locking and pulling transport device 12 on the right side. On the other hand, the left upper locking transport device 62
L is configured such that the locking and pulling and conveying device 12 on the left side is linearly extended rearward.

Here, the lower holding and conveying device 61R and the upper locking and conveying device 62R on the right side are arranged so as to be inclined in a plan view so that their rear parts approach the lower holding and conveying device 61L and the upper locking and conveying device 62L on the left side. At the same time, it is extended rearward from the end of the left lower sandwiching and conveying device 61L and the upper locking transporting device 62L, whereby it is transported by the left lower sandwiching transporting device 61L and the upper locking transporting device 62L. The crop W has been conveyed by the right lower sandwiching conveyance device 61R and the upper locking conveyance device 62R on the right side.
And is conveyed out from the conveyance outlet E opened laterally.

Two guide rods 68 are provided in front of the transport outlet E provided at the end of the transport unit 60 for recovery, and one guide rod 69 is provided behind the transport outlet E.
Is arranged, and the crop W sent out from the transport outlet E is guided by these guide rods 68 and 69, and the root Wn thereof is discharged in a sideways posture facing the driving section C side. ing.

Further, the conveying speed of the right upper locking conveying device 62R is set to be higher than the conveying speed of the right lower sandwiching conveying device 61R, which promotes the crop delivery in the sideways posture.

[Recovery stand 70]

The recovery stand 70 is for receiving and collecting the crop W discharged in a sideways posture from the transfer outlet E of the recovery transfer section 60 as described above, and also digs into the lower side of the recovery transfer section 60. Thus, the front half portion is inclined to the forward rising posture to prevent the collected crop W from spilling forward, and the rear half portion on which the crop W is placed is configured to be substantially horizontal. Then, when an appropriate amount of the crops W is collected on the collection stand 70, the driver or the auxiliary worker collectively leaves the crops W on the collection stand 70 on the ground. In this case, since the front half of the recovery stand 70 is inclined forward and upward, it is easy to collectively scrape the crops W on the recovery stand 70 from the front to the rear, and the rear half is substantially horizontal. , It is possible to release it to the ground simply by scraping it without lifting the scraped crop W.

The left end portion 70a of the recovery table 70 is configured to be slidable to the left and right so that it can be retracted and stored narrowly when no work is performed.

The edamame harvesting machine according to the present invention is configured as described above, and by traveling forward over the multi-ridged ridges U, two planted crops (edamame) W can be collected without exception. The root Wn is pulled out while the roots are pulled out and the crops W that have been pulled out are conveyed backward and upward. You can do it.

[Other Embodiments] The present invention can also be implemented in the following modes.

As shown in FIG. 17, when the film guide body 31 is made of a strip plate material or a square bar material having a square cross section, when the multi-film F is about to be pulled up, a corner inside the film guide body 31 is lowered. Acts as an edge portion k, has a large sliding resistance with the multi-film F, and effectively exerts a film pull-up suppressing function.

As shown in FIGS. 18 and 19, the idler roller 27 provided in the intermediate grass body 24 is set to be larger than that of the preceding example (for example, diameter 85 mm, lateral width 70 mm), and the intermediate grass body 24 itself is set around the lateral fulcrum g. The sled body 29 made of a wide plate material is supported behind the idle roller 27 so as to be adjustable in angle and fixed around the horizontal fulcrum h. It may be attached to the arm 26.

According to this structure, the sled member 29 is usually installed a little higher than the lower end of the idler roller 27, and in the ridge U where the idler roller 27 does not sink much, only the idler roller 27 is wide. When the intermediate sward body 24 is brought into contact with the mulch film F, the intermediate sward body 24 will follow the ground contact without being caught by the mulch film F. Further, even if the ridge U is soft and the idler roller 27 sinks, the sled body 29 contacts the mulch film F over a large area, and the intermediate sward body 24 prevents the mulch film F from being caught.

When the height of the ridge U changes, the front idler wheel 3
Since the posture of the harvesting section B is adjusted by raising and lowering the angle, the angles of the intermediate sward body 24 and the sled body 29 are adjusted accordingly, so that an appropriate weeding action is performed.

[Brief description of drawings]

[Figure 1] Overall side view of the edamame harvester

[Fig.2] Overall plan view of edamame harvester

FIG. 3 is a plan view showing the main part of the harvesting section.

[Figure 4] Side view of the harvesting section

FIG. 5 is a plan view of a pull-out and nip transport device alone.

FIG. 6 is a vertical cross-sectional front view showing a sandwiching portion in the pull-out and sandwiching and conveying device.

FIG. 7 is a plan view of the entire pull-out and nip transport device.

FIG. 8 is a plan view showing a film guide rod at the starting end of the pull-out and nip transport device.

FIG. 9 is a vertical sectional front view showing an operating state of a film guide rod.

FIG. 10 is a plan view showing a locking and pulling transfer device and an upper locking transfer device.

FIG. 11 is a plan view showing the front part of the locking and pulling and conveying device.

FIG. 12 is a side view of an intermediate grass body

FIG. 13 is a side view of a side grass body.

FIG. 14 is a front view of the starting end of the harvesting section.

FIG. 15 is a plan view of the soil removing device.

FIG. 16 is a front view showing an operating state of the soil removing device.

FIG. 17 is a front view showing a film guide body according to another embodiment.

FIG. 18 is a side view showing an intermediate grass body of another embodiment.

FIG. 19 is a plan view showing an intermediate grass body of another embodiment.

[Explanation of symbols]

11 Pulling and pinching and conveying device 13 pinching belt 24 Intermediate plant 27 Idler roller 29 sled 31 Film guide 33 Auxiliary guide rod W crop

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Takashi Iwakawa             64 Ishizukitamachi, Sakai City, Osaka Prefecture Kubo Co., Ltd.             Ta Sakai Factory (72) Inventor Kunio Takabei             410 Dojoji Temple, Hanamaki City, Iwate Prefecture             Inside the company (72) Inventor Hiroyuki Kikuchi             410 Dojoji Temple, Hanamaki City, Iwate Prefecture             Inside the company F term (reference) 2B075 AA10 FA01 FA02 FA04 FA10

Claims (8)

[Claims] 1. A pull-out and pinch-conveying device for pulling out a crop planted in a field by pinching it with left and right pinching-conveying belts and conveying it upward and backward. A legume harvesting machine, characterized in that a pair of left and right film guides, which are located near the ground and extend in the front-rear direction, are arranged facing each other at a small distance below. 2. The bean harvester according to claim 1, wherein the film guide body is made to project forward of the drawing and pinching and conveying device. 3. The bean harvester according to claim 1 or 2, wherein the auxiliary guide rods are respectively extended upward from the left and right film guide bodies toward the rear upper side, and the left and right gaps of the opposite auxiliary guide rods are opposed to each other. A bean harvesting machine narrowed toward the rear. 4. The bean harvester according to claim 1, wherein the left and right film guides are provided with opposing edges on which edge portions are formed in contact with the mulch film to be pulled up. Machine. 5. A plurality of pull-out and pinch-conveying devices for pulling out the crops by clamping the crops planted in the field with left and right pinch-conveying belts and conveying them upward and backward are arranged in parallel on the left and right sides, and adjacent pull-out and pinch-conveying devices A legume harvesting machine, characterized in that an intermediate horticultural body is arranged at the middle front part of the device so as to be vertically movable following the ground contact, and that the intermediate horticultural body is provided with an idle roller for grounding. 6. The bean harvester according to claim 5, wherein the intermediate grass body is provided with a sled located behind the idler roller, and the sled is located above a lower end of the idler roller. The bean harvester that has been made. 7. The legume harvester according to claim 6, wherein the intermediate horticultural body and the sled body are configured to be adjustable in angular orientation in the front-back direction with respect to the ground. 8. The bean harvester according to claim 5, wherein a pair of left and right films located near the ground and extending in the front-rear direction are located below the pulling / conveying route part of the pulling / nipping / conveying device. Bean harvesting machine with guides arranged at small intervals facing each other.