JP2829499B2 - 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-propelled root vegetable harvester for digging and collecting onions, carrots and other root vegetable crops from a field.

[0002]

2. Description of the Related Art There is known a root crop harvesting machine configured to dig and bind root crops planted in a field and cut and remove the tips of the foliage after binding. See JP-A-61-81715).

[0003]

In a conventional root crop, the root crop is hung by sandwiching a portion of the leaf stem close to the tip. There is a problem that tying errors tend to occur due to disorder, and root crops cannot be bound or discharged without binding by changing the length of the leaves and stems remaining on the root side. Because it was
There was also a problem that the range of use was limited and post-processing was troublesome.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and in order to achieve the object, a root crop harvesting machine has been provided with the following technical means. . That is, the root crop harvester in the present invention,
A binding device, which is disposed on the transfer end side of a lifting transfer device including a foliage holding transfer device and a neck holding transfer device, has a focusing passage located below a binding transmission case, and has a left and right side sandwiching the focusing passage. Is provided so that the knot portion and the needle are located at the same position, a tied object receiver is provided below the converging passage, and a cutting device for separating foliage is provided on the upstream side of the converging passage. In the root crop harvesting machine constructed as described above, the cutting device is provided between the foliage holding and transferring device and the neck holding and transferring device, and is provided so as to be capable of adjusting the position in the vertical direction.

[0005] In addition, a rotating wheel is provided at the transfer end portion of the neck holding and transferring device so that root crops can be properly fed toward the collecting passage of the binding device, and further disposed below the collecting passage of the binding device. By forming the bound material receiver on the endless belt conveyor or by forming a downwardly convex arc-shaped cross section, the posture of the root crop can be maintained more favorably at the time of binding.

[0006]

In the root crop harvesting machine of the present invention, the root crop after the foliage is cut off is held and tied on the binding receiver, so that the posture at the time of binding is obtained. A good bundling process is performed in which disturbance of the bundling is reduced and a bundling error does not occur. Then, by changing the vertical position of the cutting device, the cut length of the leaf stem can be changed, so that the leaf stem is left long on the root side and it is tied to make it suitable for drying. Sending out,
Further, in some cases, the leaves and stems remaining on the root side can be shortened and sent without binding. In addition, the rotating crop provided at the end of the transfer of the neck holding and transferring device can surely feed the root crops into the focusing passage while maintaining the proper posture, and the root crops can be formed on the endless belt conveyor by forming the binding receiver on the endless belt conveyor. Transitions can be made more smoothly,
In addition, by forming the binding object receiver with a downwardly convex arc-shaped cross-section, the root portions of the root vegetable crops at the time of binding can be collectively and well bound, and the binding process can be performed well.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an overall side view of a root crop harvester according to the present invention, FIG. 2 is an overall plan view thereof, and FIG. FIG. 4 is a schematic rear view of a main part showing another working mode of the harvester of the present invention, and FIG. 5 is a schematic rear view of a main part showing a modification of the present invention. is there.

In FIG. 1 and FIG. 2, the root crop harvesting machine comprises a walking operation type self-propelled vehicle (A) and a harvesting work section (B). The self-propelled vehicle (A) is a transmission case equipped with an engine (1) and a transmission mechanism linked to its output.
(2) and a left and right final case (3) (3) connected to a cylindrical case extending left and right from the mission case (2).
And a pair of left and right running wheels (4) supported by each final case (3), a transmission case (2) and an engine.
A main frame (5) oriented left and right disposed in front of (1), and a steering handle (6) extending rearward from the main frame (5).
It is composed of

A work frame is provided in front of the vehicle (A), and a harvesting work section (B) is constructed by attaching various composition devices described later to the work frame. The work frame includes a plurality of lower frames (7) extending forward from the main frame (5), and each lower frame (7).
Upper frame that is inclined upward and obliquely while supporting the front end
The frame (8) (8) and the transmission support case (9) connecting the rear ends of the upper and lower frames (8) (7) are formed into a substantially triangular frame in side view. A weeding frame (10) (10) is extended forward from each lower frame (7).
(11) is the weeding frame at the left or right end.
A gage wheel attached to (10) so that the vertical position can be changed, and is provided so as to be inclined so as to roll on the slope of the ridge.

The various devices constituting the harvesting work section (B) include a weeding device (12), a scraping device (13), a chisel (14), a lifting and transferring device (15), a binding device (16), and a cutting device. Device (17) and the like, of which the weeding device (12) is a weeding frame.
(10) a fixed weeding board (12a) fixedly mounted on the front end of the fixed weeding board (12a); ) And
The foliage (C1) of the root crop (C) planted in the furing field is sorted and arranged.

The scraping device (13) is located at the lower back portion of the weeding device (12), and is inclined in the front-rear and rear-high directions when viewed from the side, and is disposed in an eight-letter shape extending forward when viewed in a plan view. The foliage section (C1), which is composed of a pair of endless belts, and in which the weeding device (12) is sorted and arranged, is raked into the center in the width direction to be held at the starting end of the lifting and transferring device (15). It is designed to be inherited.

[0012] The chisel (14), after the raking device (13) rakes the foliage (C1) of the root crop (C), the root portion thereof
In the embodiment shown in the figure, a pair of left and right blades are arranged so as to face each other with horizontal blades extending inwardly from the lower end of the vertical plate portion. The work frame is formed so that the vertical portion of the vertical plate portion of each blade body can swing back and forth around the pivot (18).
It is pivotally attached to the system.

The lifting and transferring device (15) is provided with an upper frame.
A foliage clamping and transferring device (15a) which is inclined forward and low and rear high along the systems (8) and (8); and a foliage clamping and transferring device (15a) which is located below the foliage clamping and transferring device (15a). It comprises a neck holding / transporting device (15b) which is installed at a gentle inclination angle from front to back and back to high. The foliage gripping / transporting device (15a) is composed of a pair of left and right soft elastic transport endless belts (19) (19) hanging around a group of wheels supported on the upper frames (8) (8). The foliage (C1) of the root crop, which has been taken over from the scraping device (13), is clamped in a clamping transfer path formed between the opposing contact surfaces of the two endless belts (19), (19), and is inclined upward. It is designed to be lifted and transferred.

Also, the neck holding and transferring device (15b) is composed of a pair of left and right soft elastic endless belts (20) and (20). The foliage section is provided in communication with the focusing path (16a) of the bundling apparatus (16), and is fed by the foliage holding and transferring device (15a).
(C1) is configured to clamp and transport the neck portion of the root crop (C), which is clamped, and to feed the bundle to the collecting passage (16a) of the binding device (16). At the end of the transfer, a sending rotary body (S) (S) having a diameter slightly larger than the winding diameter of the soft elastic endless belt (20) (20) is provided.

The bundling device (16) is a foliage holding and transferring device.
The center of gravity is located near the axis of the traveling wheels (4) in a substantially triangular space extending rearward in a side view between (15a) and the neck holding / transporting device (15b). ing. The bundling device (16) is provided below the bundling transmission case (21) located above the entire device and the focusing passage (16a).
Is formed, and the binding transmission case (2) is formed by connecting the joint (22) and the needle (23) located on the left and right sides of the focusing passage (16a).
It has been suspended from 1).

A binding receiver (24) is provided at a position which is appropriately spaced downward from the knot portion (22) and the needle (23), and is lifted and transferred onto the binding receiver (24). The root portion (C2) of the root crop (C) transferred by the device (15) and fed to the focusing passage (16a) of the binding device (16) is placed and supported, and the focusing passage (16a ), When the set amount of root crop (C) is collected, it is detected and the binding device (1) is detected.
6) is operated to bind the root crop (C) group in the bundled state.

The binding object receiver in the embodiment shown in FIGS.
(24) is a conveyor frame that is supported by the work frame.
(25) is configured as an endless belt conveyor around which an endless belt (26) is wound, and the endless belt conveyor is connected to the binding device (16).
Motor controlled on / off in conjunction with intermittent operation
(27) The bundle of root crops (C) is successively post-discharged by being rotated intermittently at a set time. The intermittent drive of the endless belt conveyor is configured not to be performed by the electric motor but to use a part of the power transmitted from the engine (1) to various devices such as the binding device (16). Is also good.

In addition to the endless belt conveyor, the bound object receiver (24) may be variously modified as required, for example, formed of a plate or a plurality of rods arranged in parallel. When it is formed of a plate-like body or the like, as shown in FIG. 5, it is provided in a cross-sectional shape that exhibits a downwardly convex arc shape (including a shape close to an arc). It is preferable to form the tie receiver (24) having such a shape, so that the root crop (C) is placed on the tie receiver (24).
The groups can be well bundled and well bound.

The cutting device (17) has a cutting blade which is a rotary blade facing the holding and transferring path of the foliage holding and transferring device (15a), and is vertically suspended from the drive case (28). It is mounted on the drive shaft (29) so that the vertical position can be changed and adjusted, and is arranged at a position on the upstream side of the transfer of the binding device (16). When the harvesting operation is performed with the rotary blade serving as the cutting device (17) positioned near the lower side of the foliage holding and transferring device (15a) (see FIG. 3), the foliage holding and transferring device (15a) is used. )
And the foliage (C1) of the root crop that is lifted and transported by being clamped and held by the neck clamping and transporting device (15b) is cut while leaving the required length of foliage on the root (C2) side. Department (1
a) is continuously transferred by the foliage holding and transferring device (15a), and the root (C2) side is a neck holding and transferring device (15b).
And sent into the focusing path (16a) of the binding device (16).

When the rotary blade, which is the cutting device (17), is lowered to a position near the upper part of the neck clamping and transferring device (15b) for harvesting, the length of the foliage remaining on the root (C2) side is about The root crop (C), which has been cut so as to have a length of about 50 mm and has been cut and cut off, is not bound and the united product receiver (24)
The bundles are sequentially fed back and discharged from the rear end of the bundled object receiver (24) (see FIG. 4).

Next, a transmission mechanism for driving various devices of the harvesting work section (B) will be described. A counter shaft (31) driven by power transmitted from the transmission case (2) via the PTO shaft (29) and the passive case (30) is parallel along the main frame (5). And its counter-axis
At (31), the transport unit drive case (32) and the binding drive case (3)
3) is provided, and is lifted and transferred by a drive shaft extending upward through the above-mentioned transmission support case (9) continuously connected to the transport unit drive case (32). A pair of left and right soft elastic transport endless belts in the foliage holding and transferring device (15a) of the device (15)
(19) Each of (19) is configured to be driven to rotate in a predetermined direction.

When the soft elastic transport endless belts (19) and (19) of the foliage clamping and transferring device (15a) rotate, the pair of left and right endless belts of the scraping device (13) are similarly operated in conjunction therewith. It is designed to rotate, and the foliage clamping and transferring device
(15a) and chain case interlocking with the scraping device (13)
(34) is provided, and the endless belts (20) and (20) of the neck holding / transporting device (15b) are driven to rotate by driving a transmission shaft in a transmission case connected to the rear portion thereof. The vertical turning and separating device (12b) is rotationally driven.

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), and are biased to the respective projecting portions. The core rotors (35) and (35) are attached, and each of the eccentric rotors (35) and (35) is connected to the chisel (14) by connecting rods (36) and (36).
The chisel 14 is connected to the upper end of the vertical plate portion to reciprocate in the front-rear direction at a predetermined amplitude.

[Brief description of the drawings]

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

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

FIG. 3 is a schematic rear view of a main part showing a working mode of the root crop harvester according to the present invention.

FIG. 4 is a schematic rear view of a main part showing another working mode of the root crop harvesting machine according to the present invention.

FIG. 5 is a schematic rear view of a main part showing a modification of the present invention.

[Explanation of symbols]

 Reference Signs List A self-propelled vehicle B harvesting section C root crop C1 root crop root C2 root crop root S rotating wheel 15 lifting transfer device 15a foliage clamping transfer device 15b neck clamping transfer device 16 bundling device 16a bundle passage 17 cutting Apparatus 21 Binding transmission case 22 Knot 23 Needle 24 Binding object receiver

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A01D 13/00-33/14

Claims (4)

(57) [Claims] 1. A bundling device (16) disposed at the transfer end side of a lifting transfer device (15) comprising a foliage clamping transfer device (15a) and a neck clamping transfer device (15b) is connected to a focusing passage (16a). )
Is located below the binding transmission case (21),
6a), the joint (22) and the needle (23) are arranged on the left and right sides, and a bundle receiver (24) is arranged below the focusing passage (16a). In a root crop harvesting machine in which a cutting device (17) for separating foliage is disposed on the upstream side of the transfer of the focusing passage (16a), the cutting device (17) is combined with a foliage clamping and transferring device (15a). Neck clamping transfer device (15b)
A root crop harvester characterized in that it is provided so as to be capable of adjusting the position in the vertical direction between the root crops. 2. A bundling device (16) disposed at the transfer end side of a lifting and transferring device (15) comprising a foliage holding and transferring device (15a) and a neck and holding and transferring device (15b) includes a focusing passage (16a). )
Is located below the binding transmission case (21),
6a), the joint (22) and the needle (23) are arranged on the left and right sides, and a bundle receiver (24) is arranged below the focusing passage (16a). In a root crop harvesting machine having a cutting device (17) for separating foliage on the upstream side of the converging passage (16a), the neck clamping transfer device (1) is provided.
5b), the focusing passage (16) of the tying device (16)
Rotating wheel for feeding root crop (C) toward a)
A root crop harvester characterized by having (S). 3. A bundling device (16) provided at the transfer end side of a lifting and transferring device (15) comprising a foliage holding and transferring device (15a) and a neck and holding and transferring device (15b) includes a focusing passage (16a). )
Is located below the binding transmission case (21),
6a), the joint (22) and the needle (23) are arranged on the left and right sides, and a bundle receiver (24) is arranged below the focusing passage (16a). In a root crop harvesting machine having a cutting device (17) for separating foliage on the upstream side of the transfer of the focusing passage (16a), a bound object receiver disposed below the focusing passage (16a) ( The root crop harvester according to claim 1 or 2, wherein (24) is formed on an endless belt conveyor. 4. A bundling device (16) disposed on the transfer end side of a lifting and transferring device (15) comprising a foliage holding and transferring device (15a) and a neck and holding and transferring device (15b) is connected to a focusing passage (16a). )
Is located below the binding transmission case (21),
6a), the joint (22) and the needle (23) are arranged on the left and right sides, and a bundle receiver (24) is arranged below the focusing passage (16a). In a root crop harvesting machine having a cutting device (17) for separating foliage on the upstream side of the transfer of the focusing passage (16a), a bound object receiver disposed below the focusing passage (16a) ( The root crop harvester according to claim 1 or 2, wherein (24) is formed as a downwardly convex arc-shaped cross section.