JPH11318155A - Root vegetable carrying device of root vegetable harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a root vegetable carrying device of a root vegetable harvester capable of preventing the irregularity in the cut surfaces of harvested root vegetables and further preventing the failure in the delivery of the root vegetables from a transfer device to a vegetable neck-arranging device. SOLUTION: This root vegetable carrying device of the root vegetable harvester is obtained by disposing a vegetable neck-arranging and transferring device 33, a tapping transfer device 34 for receiving and transferring the neck- arranged root vegetables, and a leaf transfer device 35 for transferring leaves cut with a leaf-cutting device 12 are disposed in an approximately parallel state to the surface of a field, and further disposing the position of a center 26 for upward or downward rotating the transfer device 28 in the vicinity of the leaf-cutting device 12. The vegetable neckarranging and transferring device 33 is used for receiving the dug root vegetables from the transfer device 28 for transferring the root vegetables to the upper rear portion, transferring the received root vegetables and simultaneously arranging the necks of the transferred root vegetables.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a neck-alignment transfer device for aligning necks while transferring and transferring a dug root vegetable to an upper rear portion, and a tapping transfer device for transferring a neck-aligned root vegetable to a root. And a leaf transfer device for transferring leaves cut by the leaf cutting device in a substantially parallel state with respect to the field scene, and a root vegetable transport provided with a vertical rotation center position of the transfer device provided close to the leaf cutting device. Related to the device.

[0002]

2. Description of the Related Art Assuming that root vegetables are, for example, carrots, when the ginseng is harvested, a traveling vehicle is driven in a field and is supported at a predetermined height so as to be vertically rotatable. The raising device and the digging device raise the ginseng leaves with these left and right raising devices, and the digging device digs the left and right sides of the ginseng running direction. It is tilted in the front and rear direction, is clamped by the transfer devices provided on the left and right sides, and is transported to the upper rear. Ginseng was taken during this transfer while being taken over and transferred to the rear.
Inclined in the front-rear direction, taken over by the tapping transfer device provided on the left and right sides, and the leaf transfer device, and during transfer, the ginseng leaf is cut at a predetermined position by the leaf cutting device provided inclined in the front-rear direction. The cut leaves are transferred by the tapping transfer device and the leaf transfer device and discharged to the field scene.
The ginseng, whose leaves have been cut, falls from the tapping transfer device and is temporarily stored in, for example, a lower storage box and stored.

[0003]

When the ginseng is harvested, a head alignment transfer device, a tapping transfer device, a leaf transfer device,
And the leaf cutting device and the like are not parallel to the field scene, but have a configuration inclined in the front-rear direction, and also have a configuration in which the distance between the center of rotation of the transfer device and the leaf cutting device is wide, and In addition, when the raising device and the excavating device are turned up and down, the amount of movement increases due to the long radial distance to the leaf cutting device, and the cut surface of the ginseng may become irregular,
In addition, since the head alignment transfer device is inclined, a transfer failure from the transfer device to the head alignment transfer device may occur. However, the present invention is intended to solve these problems. It is.

[0004]

For this purpose, the present invention provides a digging device 5 below a raising device 4 for raising root vegetables (a) on the front side of a traveling vehicle 2; A vertically rotatable transfer device 28 for transferring the root vegetable (a) to the rear upper portion, a neck alignment transfer device 33 for taking over the transfer from the transfer device 28, and a neck alignment transfer device 33, and a rear of the neck alignment transfer device 33. The tapping transfer device 34 for taking over and transferring the root vegetable (a) whose neck is aligned at the upper portion, and the leaf transfer device 35 for transferring cut leaves by the leaf cutting device 12 on the lower side of the tapping transfer device 34. In the root crop harvesting machine provided above 34, the neck aligning transfer device 33, the tapping transfer device 34, the leaf transfer device 35, and the leaf cutting device 12 are provided substantially parallel to the field scene, and the transfer device 28 Of the vertical rotation center 26 It provided in proximity to the leaves cutting device 12 as a constituent of a root vegetable conveying device root vegetables harvester according to claim.

[0005]

When the ginseng (a) is harvested, the traveling vehicle 2 is driven in the field, and the raising device 4 and the excavating device 5 are rotatably supported up and down at a predetermined height. While raising the ginseng leaves with these left and right side raising devices 4,
The excavating device 5 excavates the left and right sides of the running direction of the ginseng (a), and the excavated leaves of the ginseng (a) are clamped by the transfer devices 28 provided on the left and right sides substantially parallel to the field scene. It is transferred to the rear upper part, and is transferred to the head alignment transfer device 33 provided on the left and right sides substantially parallel to the field scene during the transfer, and the leaves of the ginseng (a) are clamped by the transfer device 28 and transferred to the rear upper part. At the same time, the ginseng (a), whose leaves have been clamped by the neck alignment transfer device 33, is transported to the rear, while the ginseng (a) being transported is neck-aligned and neck-aligned. The ginseng (a) is a tapping transfer device 3 provided substantially parallel to the field scene and provided on both left and right sides.
4, and the leaves are transferred by the leaf transfer device 35. During the transfer, the leaves of the carrot (a) are removed by the leaf cutting device 12 provided substantially parallel to the field.
The cut leaf is transferred by the tapping transfer device 34 and the leaf transfer device 35 and discharged to the field scene. The ginseng (a) whose leaves have been cut falls from the tapping transfer device 34 and is temporarily stored and stored in, for example, a lower storage box.

[0006]

When the ginseng (a) is harvested, the head aligning transfer device 33, the tapping transfer device 34, and the leaf transfer device 3 are used.
5, the leaf cutting device 12 and the like are configured to be substantially parallel to the field scene, and the interval between the vertical rotation center 26 of the transfer device 28 and the leaf cutting device 12 and the like is close to each other; For this reason, even if the raising device 4 and the excavating device 5 are turned up and down, since the radius distance to the leaf cutting device 12 is short, the amount of movement is reduced, and the cut surfaces of the ginseng (a) are aligned. And
Further, since the head alignment transfer device 33 is substantially parallel, the transfer from the transfer device 28 to the head alignment transfer device 33 is improved.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. If the root vegetable (a) is, for example, ginseng (a), the ginseng (a) is dug from the field, and the leaves and the roots are transferred while transferring the dug ginseng (a). A root crop harvester 1 that cuts a predetermined position on the lower side opposite to the leaf portion and temporarily stores the cut is illustrated and described.

The root crop harvesting machine 1 is provided with a harvesting operation device 3 on one side outside of a traveling vehicle 2, and the harvesting operation device 3 is a front pulling device 4 and a digging device 5. , And a root vegetable transport device 6 at the rear. The traveling vehicle 2 has a crawler 8 stretched on the left and right sides on the lower side of the vehicle body 7, an operation device 9 for performing a traveling operation, a harvesting operation, and the like on one side of an upper portion of the vehicle body 7, and a worker. Is provided with a cockpit 10 for performing various operations while riding, and a prime mover (engine) 11 and the like are provided below the cockpit 10. The motors 11 drive the crawlers 8 via a transmission mechanism 11b in a traveling case 11a.

On the upper side of the rear part of the undercarriage 7, a predetermined position of the leaves of the ginseng (a) is cut by a leaf cutting device 12, which will be described later. The first transfer conveyor 13 including a rotatably driven transfer belt and the like including a rotatably driven transfer belt for receiving the supply of cut ginseng (a) and transferring the cut ginseng in the lateral direction of the control degree 10 side. A transfer conveyor 14 is provided, and the first and second transfer conveyors 13 and 14 are provided to be inclined downward toward the transfer end. This second transfer conveyor 14
The lower end of the transfer end and the upper side of the chassis 7
This is a configuration in which a storage box 15 that receives and supplies and temporarily stores the cut carrot (a) from the transfer conveyor 14 is provided.

A U-shaped support plate 16 is provided on the left side of the rear part of the vehicle body 7 so as to protrude upward. A transmission case 17 in which a transmission mechanism 17a is mounted is rotatably provided above the support plate 16. Provided. The transmission case 17 is provided with a support plate 18 protruding to the front lower part. At the front end of the support plate 18, mounting plates 19 b to which a receiving plate 19 a protruding to the front lower part is fixedly mounted on both left and right sides are provided. With this receiving plate 1
An auxiliary receiving plate 19c protruding downward and forward is fixed to the front ends of 9a and 19a.

The right and left raising devices 4 are configured such that the upper portion is supported by an upper receiving rod 20a having a transmission mechanism 20c protruding forward from the transmission case 17 and is driven to rotate, and the lower portion is an auxiliary receiving plate 19c. It is configured to be supported by a lower receiving rod 20b protruding forward from the front. The raising device 4 includes:
The raising device 4 is provided on both the left and right sides of the front portion of the root vegetable transport device 6.
Are provided with rotatable raising chains 22a which are housed in the raising cases 21 and 21 on both left and right sides. The raising chains 22a are provided with raising lugs 22b at predetermined intervals between the front lower end and the front upper end. Protruding from between the cases 21 and 21,
The structure is such that the leaves of the ginseng (a) serve as the raising part, and the rear part serves as the non-raising part which does not raise.

On the lower outer surface of the raising case 21, a weeding body 23 for separating the leaves of the carrot (a) is provided so as to protrude forward, and as shown in FIG. The uneven sensor 24 is provided between a strip for excavating ginseng (a) and an adjacent strip adjacent to the strip. The unevenness sensor 24 has a grounding plate 25b mounted on a support plate 25a rotatably provided on the outer surface of the raising case 21, and an upper end of the support plate 25a and a potentiometer 25c.
And a connecting lot 25d for connecting.

The grounding plate 25b detects the unevenness of the field and pivots up and down.
c, and the upper and lower cylinders 26a are set by setting the center position of the transmission case 17 to the vertical rotation center 26 position using the raising device 4 on both the left and right sides, the excavating device 5, and the root vegetable transport device 6 described below. The vertical rotation is controlled by the operation of. The rear end portion of the ground plate 25b is located in front of a lower front end position of a transfer device 28 of the root vegetable transport device 6, which will be described later, to improve detection performance.

As a result, the performance of holding the ginseng (a) is improved. This also improves leaf cutting performance. Further, the operation labor of the root crop harvester 1 can be reduced. The excavating device 5 is provided on the left and right auxiliary receiving plates 19c so as to be vertically adjustable manually and is automatically provided so as to be vertically rotatable. The digging device 5 has a configuration in which a digging plate 27b of a predetermined length is attached to the front end of a support rod 27a projecting to the front lower part in the vertical direction. At 27b, the left and right sides of the ginseng (a) are dug.

A front support plate 16a is provided at a front portion of the support plate 16 of the vehicle body 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 provided so as to be rotatable, and the lower end of one side of the rotating plate 16c and the front end of the upper and lower cylinder 26a are connected to each other. 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 vicinity of the front end of the receiving plate 19a.

By the operation of the vertical cylinder 26a, the rotating plate 16c, the supporting rod 16d, the receiving rod 19a, the auxiliary receiving plate 19c, and the connecting plate described below are set around the vertical rotation center 26 of the transmission case 17 as the rotation center. 29, the raising device 4, the excavating device 5, the root vegetable transport device 6, and the like are automatically controlled to be vertically rotatable. The transfer device 28 of the root vegetable transport device 6 is provided with the transfer device 28 on both the left and right sides of the rear portion of the raising device 4, and the transfer end portion at the upper end of the transfer device 28 is provided on the rear side of the transmission case 17. Connecting plate 2
9, a transmission mechanism 30a provided on the upper side of a support rod 31 provided with a transmission mechanism 31a protruding upward and forward from a transmission case 30 provided with a transmission mechanism 30a provided therein via a transmission mechanism 32a provided therein. It is a configuration for driving. The transmission case 30 is configured to simultaneously rotate vertically through the connecting plate 29 by the vertical rotation of the transmission case 17.

The transfer device 28 has a structure in which a transfer belt 28a is stretched over upper and lower pulleys 28b and 28c rotatably supported at upper and lower ends. The leaves of the carrot (a) dug out by the excavating device 5 are sandwiched between the transporting belts 28a, 28a of the transporting devices 28, 28, and are transported upward. It is configured to take over to a neck alignment transfer device 33 described later.

The neck alignment transfer device 33 of the root vegetable transfer device 6,
The tapping transfer device 34, the leaf transfer device 35, and the leaf cutting device 12 are configured such that the ginseng (a) is provided in a state substantially parallel to a field scene when in a harvesting operation state. The neck alignment transfer device 33 is provided on the left and right sides at a predetermined distance below the transfer end portion behind the transfer device 28. The transfer end portion of the head alignment transfer device 33 is a transmission mechanism 38a provided in an upper transmission case 38 provided on the upper side of the lower support case 37 provided with a transmission mechanism 37a provided in the transmission case 30 so as to protrude upward. It is configured to support and rotate.

The head alignment transfer device 33 is shown in FIGS.
The front and rear pulleys 39a and 39b rotatably supported at the front and rear ends of the support plate 39 are provided as shown in FIG.
Between these upper and lower pulleys 39a, 39b, a plurality of V
A base portion of a support plate 40 having a U-shape is rotatably provided, and tension rollers 40a and 40
is rotatably supported, and a transfer belt 39c is stretched over the upper and lower pulleys 39a and 39b and each tension roller 40a. A predetermined gap is provided between the transfer belts 39c, 39c provided on the left and right sides, and the leaves of the ginseng (a) are held between the transfer belts 39c, 39c. It is configured to be weaker than the clamping force of the transfer belts 28a, 28a.

The support plate 40 has support pins 40b, 4
0b, and a substantially V-shaped spring plate 39d made of an elastic member or the like is provided on the support plate 39. One end of the spring plate 39d is connected to the support pins 40b, 40b.
b, and the tension rollers 40a are resilient to each other and are restored to the neutral position. Thus, the tension roller 40a is guided and supported by the resilient member, so that the neck can be aligned regardless of the large diameter and small diameter of the ginseng (a), so that the cutting performance is improved, and the work efficiency is improved. improves.

The head alignment transfer devices 33, 33 hold the ginseng (a) leaf between the transfer belts 28a, 28a of the transfer devices 28, 28 and transfer the same to the upper part. The transfer belts 39c of the neck alignment transfer devices 33, 33,
The ginseng (a) leaves are sandwiched and taken over between 39c. The ginseng (a) leaves are sandwiched between the two and are further transported upward by the transport belts 28a, 28a. Thus, the upper end of the ginseng (a) on the leaf side is moved to the lower end positions of these transfer belts 39c, 39c, and neck alignment is performed.

The transfer end portion of the tapping transfer device 34 is configured to be supported at the lower side of a transmission mechanism 41a housed in an upper support case 41 provided to project upward and downward from the upper transmission case 38, and to be rotationally driven. . The tapping transfer device 34 is provided in a parallel state at a predetermined interval above the neck alignment transfer device 33, and the transfer start end is located substantially at the center of the neck alignment transfer device 33 in the front-rear direction. Front and rear pulleys 42a and 42b rotatably supported on the sections
A transfer belt 42c is stretched between the transfer belts 42c, and between the transfer belts 42c, 42c on both left and right sides, a leaf portion of the carrot (a) is clamped. 39c and 39c, and the transfer belts 42c and 42c from a predetermined position are sandwiched between the transfer belts 42c and 42c, and the transfer belts 42c and 42c are transferred and transferred.

The transfer end of the leaf transfer device 35 is supported on the upper side of a transmission mechanism 41a housed in the upper support case 41 and is driven to rotate. The leaf transfer device 35 is provided in parallel with a predetermined interval above the tapping transfer device 34, and the transfer start end is located a predetermined distance behind the transfer start end of the tapping transfer device 34, and the front and rear end portions In this configuration, a transfer belt 43c is stretched over front and rear pulleys 43a and 43b which are rotatably supported on the shaft. The leaves of the ginseng (a) are sandwiched between the left and right transfer belts 43c, 43c. The transfer belts 42c, 42c of the tapping transfer devices 34, 34 are provided.
And from a predetermined position, are sandwiched by both of the transfer belts 43c, 43c, and are taken over and transferred. Further, the leaf cutting device 1 is arranged at a rear side of a leaf cutting device 12 described later.
In this configuration, only the cut leaves cut in Step 2 are transferred, and the cut leaves are discharged to the field from the transfer end portions of both the tapping transfer device 34 and the leaf transfer device 35.

As shown in FIGS. 7 and 8, both the leaf transfer device 35 and the tapping transfer device 34 are configured so that one side can be opened and closed outwardly. The pulleys 42b, 42b and the rear pulleys 43b, 43b on the rear side of the leaf transfer device 35 are moved outward by a predetermined distance, and a tension roller 44 is provided on each of the pulleys 42b, 42b. Between the belts 43c, 43c, it is inclined rearward at a predetermined opening angle D to prevent clogging of the cut leaves of ginseng (a), and the connecting plate 45 is raised by connecting bolts 45a. The tapping transfer device 34 and the leaf transfer device 35 are fixed to predetermined positions by being mounted on the transmission case 41. When the cut leaves are clogged, the tapping transfer device 34 and the leaf transfer device 35 are pivoted outward to open by removing the connection bolt 45a and removing the connection plate 45. The configuration is such that clogging of the cut leaves is removed.

As a result, the clogged cutting leaves can be easily removed, and the transfer belts 42c and 43c can be easily replaced. The leaf cutting device 12 has a configuration in which a cutting blade 46a is attached to a shaft end of a rotary shaft 46 provided to project downward from the upper transmission case 38.
In addition to being close to the transmission case 17 at the position of the vertical rotation center 26, it is also close to the transfer end of the neck alignment transfer device 33. The cutting blade 46a is connected to the tapping transfer device 34.
Is located below a predetermined position of the neck alignment transfer device 33 on the lower side. With this cutting blade 46a, both the tapping transfer device 34 and the leaf portion transfer device 35
In this arrangement, the leaves of the ginseng (a) which are nipped and transported while nipping and transporting the leaves of the ginseng (a) are cut off.

The ginseng lower cutting device 47 is provided in the upper rear part of the excavating device 5. This ginseng lower part cutting device 47 is provided with a plurality of guide rods 48a each having a mountain shape formed at two locations in the vertical direction at predetermined intervals in the left-right direction. The rotating tool 48c to which the cutting blade 48b is mounted is rotatably supported. The ginseng (a) having a short mountain shape at the mountain-shaped portion below the guide rod 48a of the ginseng lower cutting device 47 is transferred to the transfer devices 28, 28.
While being transported toward the upper side by being clamped by the, the lower predetermined position on the opposite side of the leaf portion is cut by the cutting blade 48b. A predetermined position is cut by the entire length of the ginseng (a).

As shown in FIG. 1, an auxiliary undercarriage 49 is provided at the rear of the vehicle body 7. Above the auxiliary undercarriage 49, a cut cutting leaf transferred by a tapping transfer device 34 and a leaf transfer device 35 is provided. And a leaf collecting / transporting conveyer 50 including a rotatably driven transfer belt and the like, which is transported in the lateral direction on the cockpit 10 side in response to the supply of air. A leaf storage box 51, which receives cut leaves from the leaf collection and transfer conveyor 50 and stores and temporarily stores the cut leaves, is provided below the transfer end portion of the leaf collection and transfer conveyor 50 and above the auxiliary chassis 49. It is configured to be mounted.

As a result, when crops are planted immediately after harvesting the carrot (a), it is necessary to collect the cut leaves discharged to the field, and this work requires labor and labor. The provision of the leaf collecting / transporting conveyor 50 and the leaf storage box 51 solved these problems.

[Brief description of the drawings]

FIG. 1 is an overall side view of a root crop harvester in a working state.

FIG. 2 is an overall side view of the root crop harvester in a non-working state.

FIG. 3 is an overall plan view of the root crop harvester.

FIG. 4 is a diagram showing a conduction configuration of a root crop harvester.

FIG. 5 is an enlarged plan view of the neck alignment transfer device.

FIG. 6 is a sectional view taken along line AA of FIG. 5;

FIG. 7 is a view showing another embodiment, in which a tapping transfer device;
And an enlarged plan view of the leaf transfer device.

FIG. 8 is a view showing another embodiment, in which a tapping transfer device;
And an enlarged side view of the leaf transfer device.

[Explanation of symbols]

 Reference Signs List 2 running vehicle 4 pulling device 5 excavating device 12 leaf cutting device 26 vertical rotation center 28 transfer device 33 neck alignment transfer device 34 tapping transfer device 35 leaf transfer device (a) root vegetable (carrot)

Claims (1)

[Claims] 1. Vegetable root vegetables on the front side of the traveling vehicle 2.
A digging device 5 below the raising device 4 for raising the root vegetables, a vertically rotatable transfer device 28 for transferring the digged root vegetables (a) to the upper rear, and a transfer from the transfer device 28 A head-alignment transfer device 33 for aligning the head while
A tapping transfer device 34 for taking over and transferring the root-vegetable vegetables (a) that have been neck-aligned to the upper rear portion of the leaflet 3, and a leaf transfer device 35 for transferring cut leaves by the leaf cutting device 12 on the lower side of the tapping transfer device 34. In the root crop harvesting machine provided above the tapping transfer device 34, the neck alignment transfer device 33, the tapping transfer device 34, the leaf transfer device 35, and the leaf cutting device 12 are provided in a substantially parallel state in a field scene, A root vegetable transport device for a root vegetable harvesting machine, wherein a vertical rotation center 26 of a transfer device 28 is provided close to the leaf cutting device 12.