JP2002253021A - Crop digger for crop-harvesting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the soil from being put between the transferring apparatuses 28, 28 for nipping the leaf part of the crop body thereby pulling them out of the planted levees, and to easily peel off the mulch sheets in the mulching culture. SOLUTION: The objective crop-harvesting machine is equipped with a crop digger 5 for digging up the crop bodies from the levees and with the leaf conveyer 28 and the like wherein the digging top end (A) of the digging device that goes into the levee and acts as a digger and the fulcrum of the vibrational rotation (C) are set near the rear side of the hold-transferring starting edge (B) of the leaf conveyer 28. In addition, this crop digger is U-shaped in the lateral view.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a digging device for digging a planting ridge of a crop, a transfer device for holding the leaves of the digged crop for pulling and transferring, and the like. The excavation tip, which enters the ridge of the excavator and excavates, and the oscillating fulcrum, etc., are provided near the rear side of the nipping and transporting start end of the transporting device. Can be used as an initiator.

[0002]

2. Description of the Related Art Crops are root vegetables, which are
For example, if it was a ginseng, this ginseng harvesting work, the ginseng planted in the ridges of the field, the traveling vehicle of the crop harvester to travel in the field, on the side of one side of this traveling vehicle,
From the front, the ginseng leaves are raised by the respective raising devices sequentially provided, and the digging device enters into the ridge, and the digging effect tip for digging is located forward of the nipping and transferring start end of the transfer device. The ginseng planting ridges are excavated (the soil is loosened) with a digging device that digs while vibrating in a substantially T-shape in side view, and the excavated ginseng leaves are on the left and right sides The leaf is cut and the ginseng is cut off by the respective devices that perform the post-process by being gripped and pulled out by the transfer device of the above, transferred to the upper rear part, transferred to the right and left neck alignment transfer devices and aligned, and subjected to post-process processing. Is supplied into the storage box and temporarily stored. The cut leaves are transferred and discharged to the field.

[0003]

There is a case where soil is swelled by a digging device for digging a ridge while vibrating, and the swelled soil is sandwiched between transfer devices for holding and extracting ginseng. This may cause clogging of the transfer device due to the sandwiched soil, or when the carrot is cultivated in a mulch, the digging action portion of the digging device is located in front. , The peeling of the mulch gets worse,
In addition, the flow when stripping the multi has been deteriorated. However, the present invention is intended to solve these problems.

[0004]

According to the present invention, in the invention according to the first aspect, a pulling device 4 for raising a crop (a) is provided on one lateral side of the traveling vehicle 2. And a crop harvesting machine provided with a digging device 5 for digging a planting ridge of a crop body (a), and a transfer device 28 on both the left and right sides for holding the digged crop body (a) and pulling out the same. A crop characterized in that the excavation tip (A) that enters the ridge of the excavator 5 and excavates is located near the rear side of the nipping and transferring start end (B) of the transfer device 28. It was a digging device for a harvester.

According to the second aspect of the present invention, the oscillating rotation fulcrum (C) of the excavating device 5 is provided at a position near the rear side below the nipping and transferring start end (B) of the transferring device 28. A digging device for a crop harvester according to claim 1. In the invention according to claim 3, the excavating device 5 is formed so as to have a substantially rectangular shape in a side view, and the excavating device 5 according to claim 1 or 2, is provided. It is a device.

[0006]

The ginseng (a) is harvested in the following manner. The ginseng (a) planted on the ridge of the field causes the traveling vehicle 2 of the crop harvester to travel in the field, and one side of the traveling vehicle 2 The leaf portion of the ginseng (a) is raised by the raising device 4 provided at the front end portion, and the excavating device 5 enters the ridge to excavate and excavates the excavating end portion (A), and the vibration rotation fulcrum ( C) and the like, in the vicinity of the rear side of the nipping and transferring start end (B) of the transfer device 28, the digging device 5 having a substantially T-shape in a side view excavates a planting ridge of ginseng (a). The ginseng (a) leaves that have been unraveled and excavated are pinched and pulled out by the transfer devices 28 on the left and right sides, transferred to the upper rear part, taken over by the neck alignment transfer devices on the left and right sides, and aligned. The cutting of the leaves and the cut ginseng (a) are supplied into the storage box and temporarily stored by the respective devices that perform the post-process. The cut leaves are discharged to the field.

[0007]

According to the first aspect of the present invention, the excavating end portion (A) of the excavating device 5 is provided in the vicinity of the rear side of the nipping and transferring start end (B) of the transfer device 28. Thereby, the excavating device 5 excavates the ridge while vibrating, and even when the soil is in a raised state, the position of the raised soil is located on the rear side of the transfer devices 28, 28. And this transfer device 2
There is no longer any need to pinch and transfer the soil between 8, and 28, and no clogging of the soil occurs in each of the transfer devices 28, and the pinch and transfer of ginseng (a) can be ensured. Further, when the excavating device 5 and the traveling crawler of the traveling vehicle 2 are close to each other, if the ginseng (a) is multi-cultivation, the mulching and the flow when the mulching is removed smoothly. In other words, it is easy to peel off the multi.

According to the second aspect of the present invention, the oscillating rotation fulcrum (C) of the excavating device 5 is provided in the lower part of the nipping and transferring start end (B) of the transfer device 28 in the vicinity of the rear side. In addition, the distance from the carrot (1) to be dug to the excavating device 5 can be shortened, so that the excavating device 5 can be made small, and the cost can be reduced. In addition, it is possible to excavate the small excavating device 5 by vibrating and moving it largely in the front-rear direction, and it is possible to excavate ginseng (a) with the excavating device 5 having low resistance.

According to the third aspect of the present invention, the excavating device 5 is formed in a substantially T-shape in a side view, so that when excavating the ridge while vibrating, the soil is less likely to swell. The transfer performance of the transfer device 28 does not decrease. Also, the excavation performance for excavating the ridge is more stable than in the conventional T-shape.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In the example shown in the figure, it is assumed that the crop body (a) is root vegetables, and this root vegetable is, for example, ginseng (a).
The attachment position, the shape, and the like of the digging device 5 for digging the ginseng (a) planted on the ridge will be mainly illustrated and described.

As shown in FIGS. 1 to 5, the crop harvesting machine 1 is provided with a harvesting device 3 on one lateral side of the traveling vehicle 2, and the harvesting device 3 is provided on each of the left and right sides of the front part. Raising device 4, excavating device 5, vibrating device 10, transfer devices 28 on the left and right sides, and neck-aligned transfer devices 33 on the left and right sides at the rear.
, Each leaf cutting device 12 and each tapping transfer device 34
And a root vegetable transport device 6 including each leaf transfer device 35 and the like;
A transfer conveyor 13 for transferring the ginseng (a) having a predetermined position at the leaves and roots of the ginseng (a), and a transfer transfer for transferring the ginseng (a) from the transfer conveyor 13 into the transfer storage box 15. The configuration includes a conveyor 14 and the like.

A pair of left and right traveling crawlers 7a for traveling on the soil surface are stretched below the chassis 7 of the traveling vehicle 2. On one side of the upper side of the chassis 7, an operation device 8 for starting, stopping, traveling, various control operations, and the like,
A cockpit 9 on which an operator rides to perform various operations and the like is provided, and an engine 7b is mounted below the cockpit 9. The engine 7b is configured to rotationally drive the traveling crawlers 7a, the harvesting device 3, the root vegetable transporting device 6, and the like via a transmission mechanism 7d in a traveling gear case 7c. In the transmission path of the transmission mechanism 7d of the traveling gear case 7c, a vehicle speed sensor 7e for detecting the traveling vehicle speed based on the output rotation speed is provided.

At the upper rear portion of the undercarriage 7, a predetermined position of the ginseng (a) leaf is cut by a back-cropping leaf cutting device 12, and a lower portion of the root is cut by a back-cropping ginseng lower cutting device 47. The cut portion of the ginseng is cut at a predetermined position, and the cut ginseng (a) is cut by the tapping transfer device 34, which is back-floating, and supplied in a wavy shape that is rotationally driven in the lateral direction on the cockpit 9 side. There is provided a transfer conveyor 13 in which a transfer belt or the like having a predetermined width is stretched, and the transfer conveyor 13 is provided to be inclined upward toward the end of transfer.

On the lower side of the transfer conveyor 13, a transfer transfer conveyor 14 having a flat belt of a predetermined width for transferring and transferring ginseng (a) from the transfer conveyor 13 is arranged substantially linearly. The ginseng (a) transferred by the transfer conveyor 14 is transferred and supplied from the transfer end portion into the storage box 15 placed above the chassis 7. or,
During the transfer by the transfer conveyor 14, the worker on the rear side of the undercarriage 7 can sort bifurcated ginseng (a), damaged ginseng (a) and the like.

A U-shaped support plate 16 projecting upward is fixedly provided on the left side of the rear part on the upper side of the chassis 7,
A transmission case 17 in which a transmission mechanism 17a is provided is rotatably provided above the support plate 16. A support plate 18 protruding downward and forward is fixedly provided on the transmission case 17, and a mounting plate 19 b having a receiving plate 19 a protruding downward forward is fixed on the left and right sides of the front side of the support plate 18. This is the configuration. An auxiliary receiving plate 19c protruding downward and forward is fixed to the front end of each receiving plate 19a.

The raising devices 4 on both the left and right sides are configured to be supported vertically by an upper receiving rod 20a having a transmission mechanism 20c projecting forward from the transmission case 17 at the top, and to rotate up and down. The lower portion is configured to be supported by a lower receiving rod 20b protruding forward from the auxiliary receiving plate 19c.

The raising device 4 is provided on the left and right sides of the front portion of the root vegetable transporting device 6. The raising device 4 is mounted on the left and right raising cases 21 and is rotatable so that the raising lugs 2 are arranged at predetermined intervals.
This is a configuration in which a pull-up chain 22a to which 2b is attached is stretched. The raising lug 22b of the raising chain 22a protrudes from each raising case 21 between the front lower end and the front upper end, and is a raising action portion that raises the leaves of the ginseng (a).
Further, the rear side has a configuration in which the raising lug 22b is housed and is a non-working portion that does not raise.

A support plate 21a provided at the lower portion of the lateral outer surface of the raising case 21 of each raising device 4 projects forward a weeding body 23 having a curved end portion for separating the leaves of ginseng (a). This is a configuration provided. The front end of the sled 23a is attached to the support plate 21a on which the weeds 23 are provided.
This is a configuration supported by b. In addition, the rear end portion is configured to be supported in a suspended state by a support rod 23c above the excavating claw 5a of the excavating device 5 that is backwardly inclined.

The digging device 5 is provided below the transfer device 28 as shown in FIGS. 1 and 2, and the digging device 5 has an upper end of a digging claw 5a formed in a substantially rectangular shape in a side view. This portion is rotatably supported by the pivot shaft 5b so as to be rotatable to the distal end portion of the auxiliary receiving plate 19c. The excavating tip (A) which excavates and acts on the ginseng (a) at the lower tip of the excavating claw 5a.
In detail, the transfer belt 28a of each transfer device 28 which moves backward
And a star wheel 29a provided on the lower side of the transfer belt 28a is provided at a position near the rear side from a holding transfer starting end (B) for holding and transferring the leaves of the carrot (a). The excavating end portion (A) is located rearward by a predetermined distance (L1) from the sandwiching transfer start end portion (B). The (A) position is set by the vibrating device 10 by the excavating claw 5a.
Is set to the position at the time of vibrating movement to the forefront part.

Thus, the digging claw 5a of the digging device 5 is formed.
The excavation tip (A) is located a predetermined distance (L1) behind the nipping and transporting start end (B) of the transfer device 28, 28, so that the excavation claw 5a is vibrated. When excavating the ridge, the soil may be in a raised state, but the raised soil is no longer pinched between the transfer devices 28, 28, and the soil is transferred to each of the transfer devices 28. The transfer performance of ginseng (a) does not decrease.
In addition, since the ginseng 5a and the tip of the traveling crawler 7a of the traveling vehicle 2 are close to each other, if the ginseng (a) is a mulch cultivation, the mulch is stripped off and the flow when the mulch is stripped off. And the mulch is easy to strip. Further, when the ginseng (a) is sandwiched between the transfer devices 28 and extracted, the mulch is not obstructed because the mulch is pressed by the sled 23a.

The turning shaft 5b, which supports the excavating claw 5a of the excavating device 5, is the center of rotation.
As shown in FIG. 1, is provided in the lower part of the transfer device 28 at a position near the rear side from the nipping transfer start end (B), that is, from the nipping transfer start end (B), the vibration rotation fulcrum (C) Is located a predetermined distance (L2) behind.

Thus, the digging claw 5a of the digging device 5 is formed.
The vibration rotation fulcrum (C) of the rotation shaft 5b that rotationally supports
The distance from the digging ginseng (A) to the digging claw 5a is shortened by being located a predetermined distance (L2) behind the holding / transfer starting end (B) below the transfer devices 28, 28. Thus, it is possible to make the excavation nail 5a small, and the cost is reduced. In addition, this excavation claw 5 which became small
a can be greatly oscillated in the front-rear direction to excavate, and the ginseng (a) can be excavated with the excavation claw 5a having low resistance.

The excavating claw 5a of the excavating device 5 is formed in a substantially T-shape as viewed from the side as shown in FIG. 1, and the excavating claw 5a is provided on the left and right ridges on the ridge where the ginseng (a) is planted. Is excavated (the soil is loosened), the ginseng (a) is excavated, and the leaves of the ginseng (a) are sandwiched between the right and left transfer devices 28, 28,
This ginseng (a) is pulled out while being transferred to the upper rear part.

With this arrangement, the digging claw 5a is formed in a substantially T-shape when viewed from the side, so that when digging the ridge while vibrating, the soil is less likely to bulge, and each of the transfer devices 28, The transfer performance of the transfer roller 28 does not decrease. In addition, as compared with the conventional T-shaped excavator, the excavation performance for excavating the ridge can be improved, and the excavation performance is stabilized.

A support pin 5c is fixedly provided on the curved portion of the excavating claw 5a of the excavating device 5, and a bearing 5d is inserted into the support pin 5c. . A cam metal 10a is provided below the auxiliary receiving plate 19c provided below the transfer device 28 in a suspended state toward the lower portion of the vibration device 10 as shown in FIG.
0a, the camshaft 10b is pivotally provided.
Has an eccentric cam 10c pivotally supported. The outer diameter of the eccentric cam 10c and the bearing 5d of the support pin 5c
A cam arm 10d is provided and connected to the outer diameter portion of the above. As shown in FIG. 5, the cam shaft 10b is connected to a belt 11 which is stretched over each pulley 11a of the cam transmission mechanism 11.
This is a configuration in which the rotation is driven by b.

When the cam shaft 10b of the excavating device 5 is driven to rotate, the excavating device 5 is moved via the eccentric cam 10c, the cam arm 10d, the bearing 5d, and the support pin 5c.
Is driven (vibrated) by the excavation claw 5b. When the digging nail 5a of the digging device 5 is a groove provided only on the right side as shown in FIGS. 16 and 17, when the carrot (a) is multi-cultivated on the inner surface of the digging nail 5a, The mulch is guided and the mulch is stripped and focused.

Thus, the mulch is guided and peeled off on the curved surface in which the excavating claw 5a is formed in a substantially rectangular shape, so that a special guide is not required and the cost is reduced. The upper part of the excavating device 5 is formed so as to protrude above the ridge when excavating the ginseng (a) from the substantially central position of the curved part of the excavating claw 5a.

Thus, the mulch does not penetrate into the soil because the upper part of the excavating claw 5a is above the ridge when excavating the ginseng (a) from the central part of the curved part. The mulch is smoothly peeled off, and the mulch is focused on the curved portion, so that a large amount of the mulch can be focused.

The excavating claw 5a of the excavating device 5 is provided with a protruding portion 5e projecting outward from the upper side surface of the ridge for a predetermined height as shown in FIG. The configuration is such that the number of excavating claws 5a to be inserted is reduced. As a result, the amount of excavated claws 5a that enter the ridges is reduced, so that the consumed horsepower can be reduced.

As shown in FIG. 1, the sled 23a is configured to vibrate in conjunction with the vibration of the digging claw 5a of the digging device 5. In addition, the sled 23a is configured to prevent the multi from floating. As a result, the mulch can be moved in a wide range over the lower portion of the sandwiching transfer section of the transfer device 28.
By pressing with the 3a, it is possible to prevent the mulch from sticking to the sled 23a. Also, when the ginseng (a) is pulled out, the ginseng (a) can be smoothly pulled out from the hole of the mulch.

As shown in FIG. 1, the sled 23a is attached to a lower portion of the raising device 4 to prevent the mulch from being lifted by the raising lug 22b of the raising device 4.
3a, and the raising device 4
A predetermined gap is provided between the sled 23a and the sled 23a.

Thus, the mulch is held down by the sled 23a until the ginseng (a) is raised and pulled out, and then the mulch is guided by the excavating claw 5a to thereby peel off the special guide. It is not required, has a simple configuration, and can reduce cost.

As shown in FIG. 1, the sled 23a has a configuration in which both the nipping and transferring start end (B) of the transfer device 28 and the excavating end (A) of the excavating claw 5a are provided in a superposed state. is there. As a result, the mulch can be smoothly moved laterally and rearward to remove the ginseng without lowering the digging performance of the carrot (a). Further, it is possible to prevent the mulch from getting caught in the ginseng (a).

As shown in FIGS. 12 and 13, a plurality of brushes 24b for discharging the soil outward are planted in a cylinder 24a on the right outside of the raising device 4, and a soil discharging device 25 is rotatably moved in the front-rear direction. This is a configuration provided so as to be pivotally supported. Thereby, the soil scattered to the upper side of the mulch can be removed. If the soil is on the mulch, the diameter of the mulled peeled mulch becomes large, but this can be prevented.

The excavating claw 5a of the excavating device 5 is provided only on the right side as shown in FIG. 18, and the left end of the excavating claw 5a on the right side is near the left end surface of the left traveling crawler 7a. This is a configuration provided so as to be located at the section (H). Accordingly, if the left end portions of the excavating claws 5a on the right and left sides are provided so as to be largely outward from the outer side surface of the traveling crawler 7a on the left side, the straightness may deteriorate, or conversely, the left side of the crawler 7a on the left side. When the traveling crawler 7a is largely overlapped, slipping tends to occur when the mulch is dug and traveling, and the straight traveling property is deteriorated. Can be.

The digging claws 5 on the left and right sides of the digging device 5 are:
This configuration is provided so as to be located as far as possible outside the outer end surface of the left traveling crawler 7a. Thus, when mulching is performed while excavating the ridge of the carrot (a) with the excavating claws 5a (to loosen the soil), the mulch proceeds while peeling off the mulch. 7a eliminates stepping on the mulch, which facilitates post-processing of the mulch. Further, even when there is a ginseng (a) remaining in the ridge due to the mulch being stripped, the mulberry (a) is collected. Is easy.

The digging claws 5a on the left and right sides of the digging device 5
As shown in FIG. 14 and FIG. 15, the excavation action tips (A) on the left and right sides are located at the same position in the front-rear direction, but the curved portion on the rear side is more excavated on the left than the right excavation claw 5a. The configuration is such that the raised nail 5a is located at a rearward position by a predetermined distance (L3).

Thus, the carved ginseng (a) is formed by the excavating claws 5a.
In the case of mulch cultivation while excavating (unraising the soil) the planting ridge, the mulch proceeds while stripping the mulch. At this time, the curved part of the left excavation claw 5a is located at the rear of the predetermined distance (L3). As a result, the mulch flows to the left side and is shifted to the left side, so that the mulch is no longer trampled by the left traveling crawler 7a.

The digging device 5 is configured to control the vertical rotation of the digging device 5 based on the digging depth for digging the ginseng (a). Along with the vertical rotation control of the excavating device 5, the right and left raising devices 4, the transfer device 28, the root vegetable transport device 6, and the like are also simultaneously controlled to rotate vertically.

A front support plate 16a is provided at a front portion of the support plate 16 of the chassis 7, and a support rod 16b is provided on the front support plate 16a so as to project forward, and a front end of the support rod 16b is provided at the front end of the support rod 16b. The L-shaped rotating plate 16c is rotatably mounted and provided, and a lower end of one side of the rotating plate 16c is connected to a front end of the upper and lower cylinder 26a, and is connected to a front end of the other side. Has a structure in which one end of the support rod 16d is attached and provided, and the other end of the support rod 16d is connected to the front end of the receiving plate 19a.

By the operation of the upper and lower cylinders 26a, the pivoting plate 16c, the supporting rod 16d, the receiving plate 19a, the auxiliary receiving plate 19c, and the rearwardly connecting connection are set around the position of the vertical turning center 26b of the transmission case 17 as the turning center. In this configuration, the raising device 4, the excavating device 5, the transport device 28, the root vegetable transport device 6, and the like are automatically controlled to vertically rotate via the plate 29 and the like.

The transfer device 28 of the harvesting device 3 is provided on both the left and right sides behind the raising device 4. The transfer terminal 28 at the upper end of the transfer device 28 is provided with a transmission mechanism 31a which is provided with a transmission mechanism 30a provided on the rear side of the transmission case 17 via a connecting plate 29, and a transmission mechanism 31a which is inclined upward and protrudes forward. It is configured to be supported by a transmission mechanism 32a housed in a transmission case 32 provided on the upper side of the support case 31 and to be rotationally driven.

The transfer device 28 is rotated by the rotation of the transmission case 17 so that the connecting plate 29, the transmission case 30, and the support case 3 are rotated.
1 and a vertically rotatable structure via a transmission case 32. The transfer device 28 includes upper and lower pulleys 28b, 28 rotatably supported at upper and lower ends as shown in FIGS.
c, a plurality of working-side tension pulleys 28d, and a plurality of non-working-side tension pulleys 28e. The leaves of the carrot (a) excavated by each excavator 5 are the transfer belts 28a, 28a
The ginseng (A) is pulled out from the planting ridge at the transfer start end of this transfer, and is conveyed to the upper rear. In this transfer, the head is transferred to the head alignment transfer devices 33, 33. The tension pulley 28f is configured to extend when the transfer belt 28a is extended.

The transfer belt 28a is shown in FIGS.
As shown in the figure, a V-belt and a flat belt are integrally formed, and further, a mountain-shaped projection is formed on the outer peripheral surface of the flat belt. Working side / non-working side tension pulley 28
As shown in FIG. 9, d and 28e have a configuration in which the width of the outer peripheral portion is reduced in order to reduce the area in contact with the flat belt.

Under the lower pulley 28c of the transfer device 28 and below the transfer belt 28a, a star having an outer diameter larger than the outer diameter of the transfer belt 28a as shown in FIGS. The wheel 29a is configured to be mounted on a mounting plate 29c fixedly mounted on a mounting boss 29b with bolts, nuts, and the like. The mounting boss 29b is mounted by inserting it into the lower end of a lower shaft 28h that supports the lower pulley 28c.

The outer periphery of the star wheel 29a is shown in FIG.
As shown in the figure, the claw portions 29d are formed in a mountain shape, and a groove 29e having a predetermined depth is formed between these claw portions 29d. The excavated ginseng (a) is transported to the upper rear part by sandwiching it between the star wheels 29a, 29a and between the transport belts 28a, 28a.

As shown in FIG. 2, the root vegetable transport device 6 comprises a neck aligning transport device 33, a tapping transport device 34, a leaf transport device 35, a leaf cutting device 12, and the like. When (a) is in the harvesting state,
This is a configuration provided in a substantially parallel state in a field scene.

The head alignment transfer device 33 is located on the left and right sides of the transfer device 28 at a predetermined distance below the transfer end portion behind the transfer device 28. The transfer end of the head alignment transfer device 33 is as follows:
A transmission mechanism 3 mounted in an upper transmission case 38a of an upper transmission device 38 provided above a lower support case 37 in which a transmission mechanism 37a provided to protrude upward from the transmission case 30 is provided.
8b and is driven to rotate.

As shown in FIG. 10 and FIG. 11, the neck alignment transfer device 33 has a rotatable front and rear support shaft 39 on the front and rear sides of a U-shaped support plate 39 on the left and right sides.
In this configuration, front and rear pulleys 39a and 39b supported by e and 39f are provided. A plurality of working side tension pulleys 40a are provided on the working side between the front and rear pulleys 39a and 39b.
And a non-working side tension pulley 40b on the non-working side. These pulleys 39a, 39b, 4
This is a configuration in which a transfer belt 39c is stretched over Oa and 40b. The working-side tension pulley 40a is provided on the support plate 39d and has a configuration that can be adjusted left and right.

The bent portion (E) of the support plate 39 on the sandwiching side is formed at substantially the same position as the outer diameter portion (F) of the working side tension pulley 40a and the front pulley 39a as shown in FIG. Leaf debris falling from ginseng (a) during transfer,
The construction is such that mud and the like are prevented from entering the belt grooves of the pulleys 40a and 39a.

The front pulley 39a is configured to be slidable back and forth by a tension device 40c as shown in FIG. 10, so that it can respond when the transfer belt 39c is extended. A belt cover 36 is provided below the transfer belt 39c.
Is provided. The pinch transfer section of the linear section of the transfer belts 39c, 39c is provided with a predetermined gap to pinch and transfer the leaves of the ginseng (a) between the transfer belts 39c, 39c. The holding force of each transfer belt 28a of the device 28 is configured to be weaker.

The head alignment transfer device 33 is provided with each transfer device 28.
While the ginseng (A) leaves are being sandwiched between the transfer belts 28a and transferred to the upper part, the neck-alignment transfer devices 33 are in the middle of the transfer.
Of the ginseng (a) between the transfer belts 39c. The leaves of the ginseng (A) are sandwiched between the two, and are further transported upward by the respective transport belts 28a, so that the upper portions of the roots of the ginseng (A) are moved to the lower surface positions of the respective transport belts 39c. Are moved upward until they come into contact with each other, and neck alignment is performed.

The transfer end of the tapping transfer device 34 is connected to a transmission mechanism 41 housed in an upper support case 41 which is provided on the upper transmission case 38a of the upper transmission device 38 so as to project vertically.
a and is driven to rotate.
The tapping transfer device 34 is provided on the left and right sides in a parallel state at a predetermined interval above the neck alignment transfer device 33, and the transfer start end is provided substantially at the center of the neck alignment transfer device 33 in the front-rear direction. Configuration.

The tapping transfer device 34 has a structure in which a transfer belt 42c is stretched between front and rear pulleys 42a and 42b which are rotatably supported at front and rear ends, and between the transfer belts 42c on both left and right sides. Is a configuration in which the leaves of ginseng (a) are pinched and transported. Both of the transfer belts 39c of each of the head alignment transfer devices 33 and the respective transfer belts 42c pinch and transport the leaves of the ginseng (a), and from the middle, the respective transfer belts 42c and the leaves that move backward. In this configuration, the cut leaf portion is nipped and transported by both the transport belts 43c of the transport device 35.

The transfer start end of the leaf transfer device 35 is configured to be supported by an upper portion of a transmission mechanism 41a housed in the upper support case 41 and to be driven to rotate. The leaf transfer device 35 has a configuration in which a predetermined interval is provided above the tapping transfer device 34 in a parallel state, and the transfer start end is located a predetermined distance behind the transfer start end of the tapping transfer device 34.

The leaf transfer device 35 has a structure in which a transfer belt 43c is stretched between front and rear pulleys 43a and 43b which are rotatably supported at front and rear ends, and between the transfer belts 43c on both left and right sides. Is a configuration in which the leaves of ginseng (a) are pinched and transported. The transfer belts 42c of the tapping transfer devices 34 and the transfer belts 43c from the middle thereof are also taken over by the transfer belts 42c, and are transported while being pinched by both. Also, from the rear side of the leaf cutting device 12 that is trailing, the leaf cutting device 1
In this configuration, the cut leaves cut in Step 2 are pinched and transferred, and dropped and discharged into the field from the transfer end portions of both.

As shown in FIGS. 2 and 5, the leaf cutting device 12 is provided on both the left and right sides below each of the tapping transfer devices 34 at the rear of each of the neck aligning transfer devices 33. Each rotatable rotation shaft 46 is provided so as to protrude downward from each transmission mechanism 38b provided in each upper transmission case 38a of each upper transmission device 38, and a lower end of each rotation shaft 46 is provided with a support metal 45. The left and right disk-shaped cutting blades 44, 44 are bolted to the upper surface of each support metal 45.
And a nut.

The outer diameters of the left and right cutting blades 44, 44 are vertically overlapped by a predetermined dimension, and the gap between the upper and lower sides is configured to be close to the minimum gap of zero. Then, each tapping transfer device 34 and each leaf transfer device 35
And the leaves are cut off from the upper side surface of the root of the ginseng (a) which is nipped and transported by a predetermined dimension. The cut ginseng (a) is the lower transfer conveyor 13
The ginseng which is dropped and supplied upward, is taken over from the transfer conveyor 13 by the transfer conveyor 14 and is bifurcated and damaged during the transfer is visually sorted out by the operator, and the good ginseng (a) is removed. It is transported and supplied into the storage box 15,
It is a configuration that is temporarily stored.

As shown in FIG. 2, the ginseng undercutting device 47 is provided at an upper rear portion of the excavating device 5 so as to be inclined from the lower front portion to the upper rear portion. Are provided with a plurality of guide rods 48a having a mountain shape, and each of the rotating tools 48c having a plurality of cutting blades 48b mounted on the outer circumference of rotation is provided in the two mountain shapes.
Are rotatably supported at predetermined intervals vertically.

The ginseng lower cutting device 47 is sandwiched between the transfer belts 28a, 28a of the respective transfer devices 28, and during transfer to the upper part, the tip of the root portion of the short length of ginseng (a) has a lower chevron. Of the ginseng (a) is cut off by the lower cutting blade 48b. Further, during the transfer to the upper part, the ginseng (a) having a long entire length passes through the lower chevron guide rod 48a, and is located between the upper chevron guide rods 48a, 48a. The tip enters, and a predetermined position of the root tip is cut by the upper cutting blade 48b. A predetermined position at the tip of the root of the ginseng (a) is cut by the total length of the root of the ginseng (a).

The crop harvester 49 has a configuration in which the traveling crawlers 7a, 7a are stretched on the left and right traveling chassis 50a, 50b as shown in FIGS. A tread adjusting device 55 including an adjusting clutch mechanism 55a and a telescopic mechanism 55b is provided between the left and right traveling chassis 50a, 50b, and the tread adjusting device 55 is operated by the power of the engine 7b to reduce the tread width. It is a configuration to adjust.
On both front and rear sides, telescopic support devices 50d are provided, and the telescopic support devices 50d, 50d and the tread adjusting device 55 enable adjustment between the left and right traveling chassis 50a, 50b and the traveling crawlers 7a, 7a. In addition, the configuration is supported.

A traveling gear case 7c containing an engine 7b and a transmission mechanism 7d is mounted above the left traveling chassis 50a. An outer traveling chassis 50c is fixedly provided on the outer side surface of the right traveling chassis 50b, and an operating device 8 is provided at a front portion of an upper side surface of the outer traveling chassis 50c. The cockpit 9 to be boarded is provided.

At the left and right sides of the front end between the right and right traveling chassis 50a and 50b, there are provided weeds 23 for separating the leaves of the ginseng (a). Is provided with a raising device 4 for raising the leaves of ginseng (a), and at the rear side of each raising device 4, the ginseng (a) which has been dug up and inclined to the upper rear is transferred to the upper portion. A transfer device 28 having a transfer belt 28a is provided on both left and right sides. Each of the transfer devices 28 has a configuration in which the upper portion is provided to be closer to one of the left side and the right side as a lower rotation center. In the embodiment, the configuration is shifted to the right side. On the left and right sides on the lower side of the transfer device 28, a digging device 5 including a support rod 27a and a digging portion 27b is provided.

On both left and right sides of the lower side of the transfer device 28 in the front-rear direction, the transfer belts which take over the ginseng (a) which is sandwiched and transferred between the transfer devices 28 and transfer them while aligning their necks This is a configuration in which each neck aligning device 33 provided with 39c is provided. The left and right sides of the ginseng (a), which have been neck-aligned by the neck-alignment transfer devices 33 and are being transported, are cut below the neck-alignment transfer device 33 at substantially the center in the front-rear direction.・ Each leaf cutting device 12 that supports the right cutting blade 44, 44
Is provided. At the lower side of each leaf cutting device 12, a shooter 51 is provided which inclines to the rear lower part and receives the leaf-cut ginseng (a) and guides it down.
A transfer conveyor 52 having a wave-shaped transfer belt 52a stretched is provided on the lower rear side of the transfer belt 52.

As shown in FIGS. 20 and 21, the transfer conveyor 52 is provided below the shooter 51, at the rear of the transfer device 28, in the left-right direction, and behind the right traveling platform 50b. As a result, the transfer device 28 can be effectively secured by providing the rear upper portion with the front lower portion being pivotally pivoted and the rear upper portion being greatly inclined to one of the left and right directions.

The transfer belt 52a of the transfer conveyor 52
The box mounting table 52b for mounting the storage box 15 for storing the carrot (a) is provided at the rear end of the left traveling chassis 50a at the transfer terminal end of the vehicle. The leaves of the ginseng (a) are sandwiched between the head alignment transfer devices 33, 33, and the leaves of the ginseng (a) cut by the leaf cutting device 12 during the transfer to the rear portion are transferred to the respective head alignment transfer devices. It is pinched by the device 33 and transferred to the transfer terminal end,
It is dropped and supplied onto the upper leaf shooter 53a inclined downward to the right outside the machine in a U-shape provided below the transfer end, guided down the upper shooter 53a, and provided with a U-shape provided on the lower side. Lower leaf shooter 53b inclined downward to the lower field scene
It is configured to be supplied downward, guided down the lower leaf shooter 53b, and discharged to the field. The discharge position of the cut leaves is configured to discharge to the groove.

Thus, the clean and good ginseng (a) can be harvested without the cut leaves affecting the ginseng (a) to be harvested. As shown in FIGS. 20 and 21, a boarding platform 54 is provided at the rear side of the transfer conveyor 52, and the ginseng (a) on which the worker is boarded and supplied onto the transfer conveyor 52 is mounted. This is a configuration in which defective ginseng such as bifurcated ginseng (a), deformed deformed ginseng (a), and damaged ginseng (a) that are mixed therein are sorted out.
This selected defective ginseng (a) is the upper and lower leaf shooter 5
The configuration is such that it is supplied into the storage box 15 placed on the boarding board 54 on the opposite side of 3a, 53b and is temporarily stored.

As a result, a space for sorting defective carrots (a) can be effectively provided behind the fuselage.
In addition, during the harvesting operation, defective ginseng (a) can be selected, and it is not necessary to select in the post-processing step. Adjustment between the traveling crawlers 7a, 7a on the left and right sides (adjustment of tread width)
Is a tread adjusting device 5 composed of telescopic support devices 50d, 50d, an adjusting clutch mechanism 55a and a telescopic mechanism 55b.
5 can be operated by the power of the engine 7b to change the tread width of the traveling crawlers 7a, 7a.

Thus, by the power of the engine 7b,
Telescopic mechanism 5 of tread adjusting device 55 for adjusting tread
The tread width can be adjusted by reversing the rotation direction of the screw of 5b, so that the ginseng with respect to the ridge width (a)
The adaptability of the harvesting work is increased. Further, the adjustment operation is simple.

[Brief description of the drawings]

FIG. 1 is an enlarged side view of a digging device.

FIG. 2 is an overall side view of a crop harvester during a harvesting operation.

FIG. 3 is an overall side view of the crop harvester during a non-harvest operation.

FIG. 4 is an overall plan view of a crop harvester.

FIG. 5 is a transmission configuration diagram of a crop harvester.

FIG. 6 is an enlarged plan view of a transfer device.

FIG. 7 is an enlarged plan view of a star wheel portion.

FIG. 8 is an enlarged front sectional view of a mounting portion of a star wheel.

FIG. 9 is an enlarged front sectional view of a tension pulley portion of the transfer device.

FIG. 10 is an enlarged plan view of a neck alignment transfer device.

11 is a sectional view taken along line DD of FIG. 10;

FIG. 12 is a view showing another embodiment, and is an enlarged side view of a soil discharging device part.

FIG. 13 is a view showing another embodiment, and is an enlarged plan view of a soil discharging device part.

FIG. 14 is a view showing another embodiment, and is an enlarged side view of a digging device part.

FIG. 15 is a view showing another embodiment, and is an enlarged plan view of a digging device part.

FIG. 16 is a view showing another embodiment, and is an enlarged plan view of a digging device.

FIG. 17 is a view showing another embodiment, and is an enlarged side view of a digging device.

FIG. 18 is a view showing another embodiment, and is an enlarged plan view of a digging device.

FIG. 19 is a view showing another embodiment, and is an overall side perspective view of a crop harvester.

FIG. 20 is a view showing another embodiment, and is an overall side view of a crop harvester.

FIG. 21 is a view showing another embodiment, and is an overall plan view of a crop harvester.

[Explanation of symbols]

 Reference Signs List 2 traveling vehicle 4 pulling device 5 excavating device 28 transfer device A excavation working tip B pinching transfer starting end C vibration rotation fulcrum i crop (carrot)

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Eiichiro Kinoshita 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Technical Term

Claims (3)

[Claims] 1. A traversing device 4 for raising a crop (a), a digging device 5 for digging a planting ridge of the crop (a), and a digging device on one side of the traveling vehicle 2. In a crop harvester provided with transfer devices 28 on the left and right sides for nipping and pulling and transporting the cropped crop (a), the excavation tip (A) that enters the ridge of the excavator 5 and excavates is A digging device for a crop harvester, wherein the digging device is provided at a position near the rear side of the nipping and transferring start end (B) of the transferring device 28. 2. The vibration fulcrum (C) of the excavating device 5 is provided at a position below and near the rear side of the nipping and transferring start end (B) of the transferring device 28. 2. A digging device for a crop harvester according to 1. 3. The digging device 5 is provided in a substantially rectangular shape in a side view.
A digging device for a crop harvester according to item 1.