JP3306013B2 - Root crop harvester - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-walking root crop harvester for digging onions, carrots and other root crops from a field and binding them.

[0002]

2. Description of the Related Art Walking root crops in which root crops planted in a field are dug up, lifted and transferred, the root crops are bound in the transfer process, and the foliage is cut off after binding. Harvesters are known (for example,
No. 81715).

[0003]

SUMMARY OF THE INVENTION The present invention is to improve the mechanism of the weeder and chisel in a root crop harvester.

[0004]

SUMMARY OF THE INVENTION The present invention has been embodied with the object of solving the above-mentioned drawbacks. In order to achieve the object, a root vegetable harvesting machine having the following technical means has been adopted. . A weeding device (2) for sorting and shaping the foliage (1a) of root crops, and a scraping device provided at the back of the weeding device (2)
(3) and chisel (4) digging underground part (1b) of root crop
And a foliage holding and transferring device (5) provided with the transfer start end connected to the scraping device (3) and a neck holding and transferring device (6) provided therebelow at predetermined positions of the working frame. The harvesting work section (A) provided is mounted on a walking control type self-propelled vehicle (B) having a pair of left and right running wheels (10), (10), and the work frame is provided .
Weeding frame installed forward from the lower frame (20)
Weeding frame on the left or right end of the frame (23)
In the root crop harvesting machine constituted by providing a gage foil (24) so that the vertical position can be changed in (23), the weeding device (2)
Is the foliage (1a) of a root crop planted in rows in a ridged field
A fixed weeding plate (2a) fixed to the front end of each weeding frame (23), and each fixed weeding plate (2a)
And a tine-retractable vertical turning / separating device (2b) which is arranged at an angle from the front to the rear in the rear position.
(4) Dig the underground part (root part 1b) of the root vegetable crop after the scraping device (3) scrapes the foliage part (1a) of the root vegetable crop sorted and arranged by the weeding apparatus (2). A pair of left and right blades, which are excavated in the ground to be taken and extend horizontally inward from the lower end of the vertical plate portion of the chisel (4) and are positioned facing each other, comprise a pair of left and right blades. At the top of the vertical part of the body, front
Of the counter shaft (31) disposed in front of the self-propelled vehicle (B).
Connect the eccentric rotors ( 36) and (36) attached to the left and right protrusions.
A drive device (14) is constructed by connecting via the rods (37) and (37), and the work frame is formed so that the vertical middle portion of each vertical plate portion can swing back and forth around the pivot axis. The pair of left and right blades are vibrated back and forth with a predetermined amplitude by the driving device (14). .

[0005]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a side view of a root crop harvester according to the present invention, and FIG. 2 is a plan view of the root crop harvester according to the present invention. In FIG. 1 and FIG. 2, the root crop harvesting machine is configured by mounting a harvesting work unit (A) on a walking-steering type self-propelled vehicle (B). The self-propelled vehicle (B) has a transmission case (1) in which an engine (15) and a transmission mechanism interlocked with an output portion thereof are installed.
6) and a left and right final case (17) connected to a cylindrical case extending left and right from the mission case (16).
(17), a drive wheel (10) supported by each final case (17), and a main frame in the left and right direction arranged in front of the transmission case (16) and the engine (15). (18)
And a steering handle (19) extending rearward from the main frame (18).

A work machine frame is provided at the front of the self-propelled vehicle (A).
A harvesting work section (A) is formed by attaching various components to the working machine frame. Work machine frame
A plurality of lower frames (20) (20) extending forward from the main frame (18), and respective lower frames.
(20) An upper frame (21) which supports the front end portion and is inclined obliquely rearward and upward, and a transmission support case (22) are formed into a substantially triangular frame in side view. Lower frame
A weeding frame (23) is provided in front of (20). Numeral (24) is a gage wheel attached to the weeding frame (23) on the left or right end so as to be able to change the vertical position, and is provided so as to be inclined so as to roll the slope of the ridge. I have.

The harvesting work section (A) includes a weeding device (2), a scraping device (3), a chisel (4), a foliage holding and transferring device (5), a neck holding and transferring device (6), a binding device ( 8), a cutting device (9), etc., and these devices are arranged at predetermined positions of the working frame, and required devices are forcibly driven by a transmission mechanism described later. I have.

The weeding device (2) sorts and arranges the foliage (1a) of root crops that are planted in rows in a ridged field, and has a front end of each weeding frame (23). Fixed weeding board
(2a), a tine-inverted vertical sorting / separating device (2b) which is arranged at the back of each fixed weeding board (2a) at an anterior to posterior height
It is composed of Further, the scraping device (3) is provided with a foliage (1) of the root vegetable crop sorted and shaped by the weeding device (2).
a) is squeezed into the central portion in the width direction and transferred to the clamping start end of the foliage clamping and transferring device (5), wherein a pair of left and right endless belts provided with elastically deformable transfer projections are flattened. When viewed from the front (see FIG. 2), it is formed in an eight-letter shape that spreads forward, and in a side view (see FIG. 1), it is inclined to the lower back of the weeding device (2) at a lower front and rear height.

[0009] The chisel (4), after the scraping device (3) scrapes the foliage (1a) of the root vegetable crop which is sorted and arranged by the weeding device (2), and then the underground portion (root portion) of the root vegetable crop. 1b) is to excavate underground in order to excavate, and in the embodiment, is constituted by a pair of left and right blade bodies in which horizontal blade portions extending inward from the lower end of the vertical plate portion are positioned facing each other. ing. Each blade body is attached to the working machine frame so that the vertical middle portion of the vertical plate portion can swing back and forth around the pivot axis.

[0010] The foliage holding and transferring device (5) is a work machine frame.
A pair of left and right soft elastic endless belts (25) and (25) which are hung around a group of rings supported by upper frames (21) and (21) of the
As shown in FIG. 1, the upper frame (21) (2)
The rear portion is provided so as to incline from front to rear and back to height along the inclination of 1), and is bent laterally to one side in a plan view as shown in FIG. Then, the foliage (1a) of the root vegetable crop taken over from the scraping device (3) is sandwiched between the opposing contact surfaces of the two endless belts (25) and (25), and is lifted and transferred upward after being inclined. Has become.

On the other hand, the neck-and-leaf-portion transfer device (6) provided below the foliage-and-leaf-portion transfer device (5) is
(5) for clamping the neck of the root crop with the foliage (1a) clamped therein, and cooperating with the foliage clamping and transporting device (5) to transport the root crop rearwardly; 6)
The left and right sides of the work machine frame are hung around a group of wheels supported by the lower frames (20) and (20), and are inclined at a gentler inclination angle than the foliage holding and transferring device (5) in side view. It is composed of a pair of soft elastic transport endless belts (26), (26), and the transfer end portion is located substantially at the center in the machine body width direction and faces the focusing passage (7) of the binding device (8).

The binding device (8) is a foliage holding and transferring device (5).
In the substantially triangular space extending rearward when viewed from the side, which is formed between the traveling wheel (10)
The center of gravity is located near the vertical line (Y) passing through the axis of (10) or behind the vertical line (Y). The binding device (8) forms a focusing passage (7) below the binding transmission case (11) located above the entire device, and sandwiches the focusing passage (7). Nodules located on the left and right
(12) and the needle (13) are suspended from the binding transmission case (11). In addition, nodule (12)
A tie receiver is placed at a position appropriately spaced downward from the dollar (13).
(28) is provided, and the root (1b) group of root crops which is lifted and transferred by the foliage holding and transferring device (5) and the neck holding and transferring device (6) is placed on the united material receiver (28). It is configured to be supported in the stationary state.

The cutting device (9) is constituted by a vibrating blade that vibrates in the front-rear direction, and is disposed in the vicinity of the lower side of the foliage holding and transferring device (5), at a position on the upper hand side of the binding device (8). ing.
The foliage of the root vegetable crop which is nipped and transported by the foliage nipping and transferring device (5) and the neck nipping and transferring device (16).
(1a) is cut while leaving foliage of a required length on the root (1b) side, and the cut foliage (1a) is continuously transferred by the foliage holding and transferring device (5), and the root (1b) side is cut. Is the neck transfer device
It is transported in (6) and sent to the focusing passage (7) of the binding device (8).

Next, a transmission mechanism for driving each device of the harvesting work section (A) will be described. Mission case (16)
A PTO shaft (29) and a counter shaft (31) rotationally driven by power transmitted through a passive case (30) are disposed in parallel along the main frame (18), -The transport drive case (32) and the binding drive case on the shaft (31)
(33) are provided, and the foliage is extended by a drive shaft extending upward through the above-mentioned transmission support case (22) connected to the transport unit drive case (32). The pair of left and right soft elastic transport endless belts (25) and (25) in the section nipping and transporting device (5) are configured to be driven to rotate in predetermined directions.

When the soft elastic transport endless belts (25) of the foliage pinching / transporting device (5) rotate, the pair of left and right endless belts of the scraping device (3) are similarly operated in conjunction therewith. A chain case (34) is provided which rotates and is interlocked with the foliage holding and transferring device (5) and the raking device (3), and a transmission case (35) connected to the rear thereof is provided. ) Is driven to drive the endless transfer belts (26) (2) of the neck clamping transfer device (6).
6) Rotationally driving and a plurality of sets of vertical turning and separating devices
(2b) is driven to rotate.

On the other hand, the left and right shaft ends of the counter shaft (31) are projected outward from the transport drive case (32) and the binding drive case (33), respectively, and are biased to the respective projecting portions. Attach the eccentric rotors (36) and (36) and attach each eccentric rotor (3
6) and (36) are connected to the upper end of the vertical plate portion of the chisel (4) by connecting rods (37) and (37) to form a driving device (14). With this driving device (14), the chisel ( 4) is oscillated back and forth with a predetermined amplitude. And the connecting rod (37) (3
7) A member (38) attached in the form of a bridge in the middle part in the front-rear direction
The vibrating blade of the cutting device (9) is mounted on the vibrating blade, and the driving blade (14) for vibrating the chisel (4) vibrates the vibrating blade in the front-rear direction. In addition, in the binding device (8),
The input is transmitted from the binding drive case (33) via the interlocking case (39).

In the root crop harvester according to the present invention, the foliage (1a) of the root crop to be planted is sorted and shaped by the weeding device (2), and the root (1b) is dug up by the chisel (4). The foliage holding and conveying device (5) and the neck holding and conveying device (6)
The foliage (1a) is cut by the vibrating blade under the holding state. That is, after the scraping device (3) scrapes the foliage (1a) of the root vegetable crop sorted and arranged by the weeding device (2), the underground portion (root portion 1b) of the root vegetable crop is dug. It excavates inside. Then, a root passage crop formed by cutting the foliage (1a) is formed under the binding transmission case (11).
The bundle is fed into (7) and is bundled, and is bound by the operation of the knots (12) located on both sides of the focusing passage (7) and the needle (13).

[0018]

As described above, the present invention has the following advantages. First, weeding equipment (2)
Is the foliage of root crops (1)
a) a fixed weeding plate (2a) fixed to the front end of the weeding frame (23), and a fixed weeding plate (2).
a) The tine-separation type vertical turning and separating device (2b) which is arranged at the rear position at the front low to the rear high, so that the foliage (1a) can be surely planted. . Second
After the chisel (4) scrapes the foliage (1a) of the root vegetable crop, which is sorted and arranged by the weeding device (2), with the scraping device (3), the chisel (4) divides the underground portion (root portion) of the root vegetable crop. 1b) is excavated in the ground to excavate, and comprises a pair of left and right blades which face each other with horizontal blades extending inward from the lower end of the vertical plate of the chisel (4), Above the vertical plate of the pair of left and right blades
At the end, a counter disposed in front of the self-propelled vehicle (B)
Eccentric rotor (36) attached to left and right protrusions of shaft (31)
(36) connected via connecting rods (37) and (37) to drive
(14) is constructed so that the vertical middle part of the vertical plate portion of each blade body is attached to the work frame so as to be able to swing back and forth around the pivot axis, so that the fixed weeding plate is provided. (2a) and each fixed
Is inclined disposed in the lower rear height before the position after partial grass plate (2a)
It is possible to excavate root crops that are sorted and arranged by the weeding device (2) constituted by the vertical turning sorting device (2b) of the tine emerged type .

[Brief description of the drawings]

FIG. 1 is a side view of a root crop harvester according to the present invention.

FIG. 2 is a plan view of the root crop harvester according to the present invention.

[Explanation of symbols]

 Reference Signs List A Harvesting work section B Walking type self-propelled vehicle Y Vertical line passing through the axis of traveling wheel 1a Foliage of root crops 1b Root of root crops 2 Weeding device 3 Scraping device 4 Chisel 5 Foliage holding and transferring device 6 Neck holding Transfer device 7 Focusing passage 8 Binding device 9 Cutting device 10 Running wheel 11 Binding transmission case 12 Knot 13 Needle 14 Drive device

Claims (1)

(57) [Claims] 1. A weeding device (2) for sorting and shaping the foliage (1a) of a root crop, a scraping device (3) disposed behind the weeding device (2), and a root crop. A chisel (4) for digging the underground part (1b) of the above, a foliage holding and transferring device (5) which is provided by connecting a transfer starting end to a scraping device (3), and a neck holding and transferring device provided thereunder (6) is arranged at a predetermined position of the work frame.
The harvesting work part (A) is connected to a pair of left and right traveling wheels (10) (10).
And So設walking maneuver type running body (B) having the working off
It is provided in front of the lower frame (20) of the frame.
Weeding frame at the left or right end of the weeding frame (23)
-The gauge foil (24) can be moved up and down to the
In the root crop harvesting machine, the weeding device is provided.
(2) is the foliage of root crops planted in rows in a furing field
(1a) is sorted and arranged, and each weeding frame (2
3) a fixed weeding plate (2a) fixedly mounted on the front end of the fixed weeding plate (2a); ). The chisel (4) further includes a root plant crop after the scraping device (3) scrapes the foliage (1a) of the root plant crop sorted and arranged by the weeding device (2). And a pair of left and right blades which face each other with a horizontal blade portion extending inward from the lower end of the vertical plate portion of the chisel (4) to excavate the underground portion (root portion 1b) of the chisel (4). The upper end of the vertical plate of a pair of left and right blades
And a counter shaft disposed in front of the self-propelled vehicle (B).
Eccentric rotor (36) attached to left and right protrusions of (31)
(36) connected via connecting rods (37) and (37) to drive
(14), and a vertically middle part of each vertical plate portion is attached to the working frame so as to be able to swing back and forth about the pivot axis, and a pair of left and right blades is driven by the driving device (14). A root crop harvester characterized by vibrating back and forth at a predetermined amplitude.