JP2000092943A - Harvester for root crop with movable sled - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a harvester having a front-end grass-dividing body acting while controlling the tip of a grass-dividing rod at a proper position according to the shape of a ridge and the condition of crops by attaching a sled formed so as to be moved according to the change of the load by a specific method. SOLUTION: This harvester for a root crop having a grass-dividing apparatus for scooping up a stem and leaf part of the root crop, and a scraping-in apparatus, and further having a controlling device for controlling operation heights of the grass-dividing apparatus, the scraping-in apparatus and the like, has a sled 11 elastically installed in the front part of a machine body through a spring 12, and constituted so as to be moved according to the change of the load. A front-end grass-dividing body 10 attached to the front end part of the machine body, and the movable sled 11 are preferably constituted so as to be integrally and rotatably freely moved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a root vegetable harvester for digging and harvesting root vegetable crops such as onions, carrots and radish.

[0002]

2. Description of the Related Art Conventionally, there is provided a weeding device for scooping and trimming the foliage of root crops, and a weeding stick or a weeding plate is connected to the tip of the weeding device to adjust the up and down direction. For this purpose, a root vegetable harvesting machine equipped with a pre-processing unit height adjusting device such as a gage wheel is known as an embodiment.

However, in this type of harvester, a weeding stick, a weeding plate, etc. are generally fixed to the tip of a weeding device that scoops up the foliage of the harvested material and sorts it. When it is necessary to adjust the tip of the weeding stick up and down depending on the shape of the ridge and the crop conditions, it is necessary to operate only by adjusting the gage wheel, and the tip of the weeding stick is pushed into the ridge or floated up. In order to prevent such a problem, the frequency of adjustment must be complicated, and there is a potential problem that causes troubles in the operation.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems in the prior art.
It is an object of the present invention to provide a root crop harvesting machine that devises a tip weed body that acts while adjusting the tip of a weeding rod to an appropriate position in accordance with the shape of a ridge and crop conditions.

[0005]

The present invention is provided with a weeding device and a scraping device for scooping and trimming the foliage of root crops, and an adjusting device for adjusting the working height of the weeding device and the scraping device. In the root crop harvesting machine, a sled is provided at the front of the fuselage via a coil spring and is configured to be movable against load fluctuations. In the event of a load, the sled resistance is used to avoid plunging.

A root crop harvesting machine provided with a weeding device and a scraping device for scooping and shaping the stem and foliage of the root vegetable crop and an adjusting device for adjusting the working height of the weeding device and the scraping device. At the front end of the fuselage, the tip weeding body pivotally attached to the weeding device and the movable sled are configured to be rotatable integrally, and are movable so that the tip weeding body does not plunge into the ridge due to the shape of the ridge, causing abnormal load. A sled is provided to restrict abnormal loads and maintain an appropriate height, thereby avoiding operational problems.

[0007] In a root crop harvesting machine provided with a weeding device and a scraping device that scoops and separates the foliage of root crops and an adjusting device that adjusts the working height of the weeding device and the scraping device, The tip weeding body and the movable sled are elastically provided via a coil spring, and are configured to be rotatable while their relative positions fluctuate within a predetermined range. Even if the load applied to the tip weeding body fluctuates, the movable sled is moved. It is configured so that it does not penetrate into the ridge by controlling it to an appropriate position by repressing.

[0008] A root crop harvesting machine provided with a weeding device and a scraping device for scooping up and separating the foliage of root crops, and an adjusting device for adjusting the working height of the weeding device and the scraping device. The weeds at the tip are independently attached to the pre-processing unit such as the weeding device and the scraping device fixed to the fuselage, and pivotally attached to the fuselage. As a result, the tip plant automatically follows the shape of the ridge, so that the axle of the fuselage is used as a pivot point in actual work.
While adjusting the wheel and turning the pre-processing unit up and down, the up and down adjustment is performed based on the tip of the weeding device, and it will also follow changes in the shape of the ridges. Can be smoothed.

[0009] In a root crop harvesting machine equipped with a weeding device and a scraping device that scoops and separates the foliage of root crops and a regulating device that adjusts the working height of the weeding device and the scraping device, By setting the sled that is pivotally attached to the fuselage and movable ahead of the pre-processing unit height adjustment device, the height of the pre-processing unit is substantially set by adjusting the gage wheel, The effect of finely adjusting the working height of the tip plant for irregular shapes is great.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION According to the present invention, when performing a harvesting operation with a root vegetable harvesting machine, a weeding apparatus is adjusted up and down so as to adapt to changes in the shape of ridges and the growing condition of the crop. In consideration of the adjustment to the height of the ridges and the various ridges, the movable sled elastically installed via a coil spring rotates integrally with the tip weeding body in order to maintain the proper working position of the tip weeding body. do it,
Invented a configuration that expanded the range of adaptation to changes in ridge shape,
An embodiment is provided by an onion harvester.

[0011]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of a movable sled and a tip weed body according to a main part of the present invention, and is a side view of a relative position between the movable sled and the tip weed body. FIG. 2 is a plan view of a movable sled according to a main part of the present invention, showing the mounting structure in a plan view. FIG. 3 is a side view of a movable sled, a weeding device and a gage wheel, and FIG. 4 is a front view of the same. FIG. 5 is an overall side view of an onion harvesting machine as an embodiment according to the present invention, and FIG. 6 is a plan view of the same. FIG. 7 is a front view in which the mounting position of the gage wheel is made variable with respect to the weeding device, and FIG. 8 is a front view of another alternative in which the mounting position of the gage wheel is made variable. FIG. 9 is a front view in which the mounting position of the gage wheel for low ridges is vertically adjustable, and FIG. 10 is a side view of the same.
FIG. 11 is a sectional view and a side view illustrating the structure of the raised tine.

First, the overall structure of an onion harvesting machine as an embodiment will be described with reference to FIGS. 5 and 6. (1)
Is a weeding device mounted on the front of the fuselage, and a plurality of vertically-rotating weeding bodies (1b) provided at regular intervals in the left-right direction.
The weeds (1b) are composed of a drive sprocket, a chain with a pull tine (1a) wound around a driven pulley, and a pull case. At the tip of the weed body (1b), a tip weed body (10) is pivotally attached. The tip weed body (10) is composed of a weed stick (10a) and a weed board (10b). Scoop up the foliage to support the raising action of the weeder (1).
The weeding device (1) taking over the picked-up foliage is constructed so as to cause the onion foliage to be swept away by the raising tine (1a) moving diagonally upward (U1).

The raising tine (1a) is generally made of a hard synthetic resin as a material and has an integral structure. In this embodiment, the raising tine (1a) is made of an elastic rubber or a soft synthetic resin. Base made of hard synthetic resin (1d)
When the overload is applied, the structure is elastically deformed to avoid damage and at the same time to effectively buffer the foliage of the crop.

To be more specific, among the plurality of herbicides (1b), a tip herbicide (10) is pivotally attached to the gage ring (29) or to the tip of the specified herb (1b), and Grass (1
At 0), the weeding stick (10a) extends obliquely forward and downward, and is attached to the other weeding body (1b).
It also extends forward in position so as to act before 0a). The weeding stick (10a) is used to cut the foliage of the crop during the harvesting operation. In addition, gauge ring (29)
A weeding plate (10b) is fixed laterally to the weeding rod (10a) on the side, and is disposed in front of the gage wheel (29). Prevents entanglement.

(3) is a raking device comprising a pair of left and right squeezing conveyance bodies (3a) and (3b) which are wound around a belt with projections (4), and rakes each of the belts with projections (4). By orbiting from the outside of the tip of the device (3) toward the center and then linearly obliquely upward and rearward,
The foliage of the crop caused by the weeding device (1) is scraped into the lower center of the scraping device (3) and pushed up obliquely upward.

(5) A pull-out transporter (5a) (5b), which includes an endless belt transport belt (6) and a plurality of pulleys (7a) (7b) and is constructed so as to face a pair of left and right sides. Device. The pair of endless belts (6) and (6) are opposed to each other, and pinch and transport the foliage between them as a pull-out transport path (H).

That is, the pulling-out device (5) inherits the relatively upper portion of the foliage stalked by the rake-in device (3) at the transfer start end of the pull-out transfer route (H).
And is conveyed diagonally upward and backward (U3). During this conveyance process, the pair of left and right excavating blades (8) and (8) disposed below the drawing device (5) vibrate and expand. The crop is pulled out from the ridged surface as the aircraft advances, and is conveyed obliquely upward and rearward.

A lower transfer device (9) is provided below the drawing device (5). The lower transfer device (9) comprises a pair of left and right lower transfer bodies as shown in FIGS. The front and rear inclinations of the pair of lower conveying members are set to be gentler than those of the drawing device (5). The left and right lower transport bodies are formed by winding lower transport belts around a pair of front and rear pulleys, respectively, and these lower transport belts face each other and pinch and transport the foliage between them as a lower transport path of the foliage. is there.

As shown in FIGS. 5 and 6, (26) (2)
6) is a two-wheeled traveling wheel mounted on the axle (2).
4) and has a mounting hole in the boss and has an axle (24)
The axle (24) is connected to a traveling transmission (33) via left and right chain cases (22). At this time, one axle (24) is provided with a telescopic structure so that the running wheel (26) can adjust the width of the rut width steplessly in the lateral direction, but the other axle (24) has no telescopic structure. Since there are a plurality of mounting holes as described above, an appropriate position is selected based on the relative position between the ridge and the traveling wheel, and the pin is mounted in the mounting hole suitable for the position. (27) is a drive case for supporting a drive shaft for driving the pulling-out device (5). (29) is a gage wheel for holding the front part of the body at an appropriate height. ) Is a gage for vertically displacing the gage wheel (29) with respect to the fuselage.
It is a wheel adjustment handle. Incidentally, the chain case (2)
2) is provided with a lubrication plug (23), the position of which is attached to the opposite side of the traveling wheel (26), and the traveling wheel (26) is provided.
Lubrication plug (23) due to the foliage wrapping around or sticking of mud
To avoid interference and prevent dropout.

The weeding device (1) is composed of a plurality of vertically-moving weeds (1b) (1b)..., And the drive system of each weeding body (1b) (1b). Weeding device (1) integrated in the drive shaft (2)
Is mounted so as to be rotatable up and down on an axle (24) as a fulcrum via a main transmission case provided with the transmission cylinder (2). Further, a configuration related to a main part of the present invention will be described in detail with reference to FIGS. A sled (11) is supported by a support plate (14) on the tip weed body (10) pivotally attached to the weeding frame (18) of the gage ring (29) or the specified weed body (1b). The lead pin (15) is led along the long hole with the fulcrum pin (13) fixed to the weeding frame (18) as a fulcrum, and the tip weeding body (10) is fixed. ) With a sledge (1
Rotate together with 1). In addition, the sled (11) is Horitori frame
A weeding frame fixed to the body of a movable structure which is elastically attached via a coil spring (12) to a weeding frame (18) connected to the system (25) via a mounting. It moves more in accordance with the shape of the ridge than in (1).

The weed tip (10) acting while corresponding to the irregular shape of the ridge is a weed stick (10a) and a weed board (10b).
If the tip of the sled is pushed into the ridge or pushed up, the coil spring (12) is pressed against the coil spring (12) to prevent the sled (11) from moving, and if the tip is pushed up, the coil spring (12) is pushed. ), Which are repelled and pulled to form an integral structure with the movable sled (11).
0) is corrected to a regular position, and the harvesting operation is smoothly continued.

On the other hand, a pre-processing unit height adjusting device (37) configured to be extendable and retractable is attached via a connecting plate (42d) to a digging frame (25) fixed to the weeding device (1). By pivotally connecting, the height of the ground of the weeder device (1) mounted on the front of the fuselage can be adjusted to an appropriate height by the gage wheel adjusting handle (30).

As shown in FIGS. 7 to 10, the method of mounting the weeding device (1) and the pretreatment unit height adjusting device (37) is as follows. (1) is offset to the side, and the overlapping portion of the inner cylinder (42) and the outer cylinder (42a) expands and contracts in accordance with the shape of the ridge, and the position of the gage wheel (29) is raised and lowered. Is adjusted as shown in FIG.
Is provided with a fulcrum projection (42c) and a guide pin (42b) on a connecting plate (42d) fixed to the outer cylinder (42a), and oscillates with the fulcrum projection (42c) as a fulcrum by the guide of the guide pin (42b). It is structured so that the relative position with the weeder (1) can be adjusted by the width and height of the ridge.

Further, as an alternative mounting method which can be adjusted according to the ridge width and height, as shown in FIG.
A plurality of holes are provided in d) and the holes are slid horizontally to adjust the relative positions of the weeding device (1) and the gauge wheel (29) via two set pins (42e) (42e). Things are also possible.

On the other hand, FIGS. 9 and 10 show an example in which a spacer (43) is fitted for a low ridge, and is fixed to the spacer (43) and the weeding device (1). And the pre-processing unit height adjusting device (37) via a connecting plate (42d).
By connecting to the upper hole of 3), the pre-processing unit height adjustment device (37) can be mounted and operated at the lifted position, so that even for low ridges, the vertical adjustment expansion and contraction range is utilized. You can do it.

The engraving frame (25) is integrally formed by an engraving frame body, an engraving frame plate fixed to the engraving frame body and a fixed metal plate, and has an upper end. Is fixed to the one end of the weeding device driving body between the upper and lower fixed metals and fastened with bolts, and the lower end is bolted to the weeding body (1b) on the gage wheel (29) side. It is integrated with the weeding device (1).

A mounting metal is fixed to the engraving frame (25), and a pretreatment unit height adjusting device (37) is attached to the weeding device (1) via a connecting plate (42d). . still,
Alternatively, a similar effect can be obtained by mounting a gage sled instead of the gage wheel (29).

The output case connected to the front of the traveling transmission device (33) directly connected to the engine (E) has a built-in output shaft. The output case is linked to the drive case (27). The drive shaft of the built-in pull-out device (5) is a pulley (7
a) The pulling device (5) is driven via (7a), and the left and right chain transmission portions () connected to the pulley shafts of the lower left and right pulleys (7b) and (7b) of the pulling device (5). 28 and 28, the operation is branched to the driving of a pair of lower conveying devices (9), which is the same as the driving of the pair of left and right scraping devices (3). (3
Reference numeral 1) denotes a control handle, and reference numeral (32) denotes a foliage discharge device capable of being transferred from the inside of the upper end of the left pull-out conveyance body (5a) to the outside in the arc direction.

The operation of harvesting onions with the onion harvesting machine constructed as described above will be described below. As shown in FIG. 5, when the airframe is run along the ridges (W), the weeds (10a) scoop up the onion foliage grown on the ridges. In order to adjust the ground height of 1) to an appropriate height, turn the adjustment handle (30) to adjust the height of the height adjustment device (37) with the gage wheel (29) as a fulcrum, and to adjust the onion. The ground height of the weeding device (1) is adjusted according to the growth situation, the state of the foliage and the ridge height, and the raising tine (1a) is tilted upward (U) by the operation of the weeding device (1).
It moves to 1) and stalks and raises the foliage, and the belt with projections (4), which continues to the raking device (3), moves diagonally upward and backward, and pulls the foliage to the starting end of the pulling device (5). In accordance with this process, the excavating blades (8) and (8) soften the ridge surface at an appropriately adjusted depth, and at the same time, the extraction device (5) removes the relatively upper part of the foliage. The onion is pulled out while being held, and is conveyed diagonally upward (U3) behind.

The stems and leaves of the onions conveyed in this manner are supplied to the conveying start end of the lower conveying device (9), and thereafter, the lower conveying belt sandwiches the lower part of the stems and leaves and conveys them to the rear substantially in the horizontal direction. It is.

During the transfer by the pulling device (5) and the lower transport device (9), the pulling device (5) pulls the foliage upward, while the lower transport device (9) moves the balls through the lower transport belt. Lock the part to prevent its rise. Accordingly, the lower transport belt is moved backward while holding the neck of the foliage, and the pulling device (5) applies a pulling force to the foliage positioned between the lower transport device (9) and tensions the foliage. State it.

When the foliage is conveyed by the lower conveying device (9) or the like in this way, in this conveying process, the cutting blade of the cutting device cuts the foliage at a position where the foliage is adjusted to a certain height, and is thus processed. The onions eventually reach the transfer device. The onion is discharged in a sideways posture as a whole and falls on the ridge surface. Such an operation is performed continuously for each onion extracted during the course of the machine.

The tip of the foliage cut off by the cutting device is further transported upward by the drawing device (5).
The foliage is conveyed laterally by the foliage discharging device (32) and dropped to the side of the fuselage.

[0034]

The present invention is embodied in the form described above, and has the following effects.

A root crop harvesting machine provided with a weeding device and a scraping device that scoops and separates the foliage of root crops and a regulating device that adjusts the working height of the weeding device and the scraping device. At the front of the fuselage, it is elastically installed via a coil spring,
A sled that is configured to be movable against load fluctuations is attached, so that even if the tip of the weed stick sticks in due to the shape of the ridge and an abnormal load occurs, it is configured to avoid sticking with the resistance of the sled, For flat fields and ridges of various heights, the tip of the pretreatment unit such as a weeding device arranged at the front of the fuselage follows the irregular shape of the ridge and becomes cheaper, avoiding ridges and smoothing. Continuous work can be obtained.

A root crop harvesting machine provided with a weeding device and a scraping device that scoops up and separates the foliage of root crops, and an adjusting device for adjusting the working height of the weeding device and the scraping device. At the front end of the fuselage, the tip weeding body pivotally attached to the weeding device and the movable sled are configured to be rotatable integrally, and are movable so that the tip weeding body does not plunge into the ridge due to the shape of the ridge, causing abnormal load. The sleds are elastically installed to regulate the abnormal load and maintain the proper height, so that the movement of the cutting grass and the movable sled are integrated, and it can be used on flat fields and ridges of various heights. It is possible to broaden the applicability.

A root crop harvesting machine provided with a weeding device and a scraping device that scoops and separates the foliage of root crops, and an adjusting device that adjusts the working height of the weeding device and the scraping device. Since the tip weeding body and the movable sled are elastically provided via a coil spring and are configured to be rotatable while their relative positions fluctuate within a predetermined range, the movable sled is fluctuated even when the load applied to the tip weeding body fluctuates. It is configured so that it does not penetrate into the ridges by controlling the appropriate position by repressing the ridge, and at the same time, the movable sled represses against the rising of the tip and the fine vertical displacement can be adjusted, so that the crop Irrespective of the growth state, the foliage portion is pinched at a substantially fixed position to perform a pulling action, so that the work in the subsequent process can be made stable and smooth, and the efficiency can be improved.

A root crop harvesting machine provided with a weeding device and a scraping device that scoops and separates the foliage of root crops and an adjusting device for adjusting the working height of the weeding device and the scraping device. The weeds at the tip are independently attached to the pre-processing unit such as the weeding device and the scraping device fixed to the fuselage, and pivotally attached to the fuselage. By doing so, the tip weeding body automatically follows the shape of the ridge, so adjust the gage wheel in actual work and adjust the pre-processing part up and down, and then refer to the tip of the weeding device. Since the automatic adjustment is not necessary and the fine adjustment for the change in the shape of the various ridges is not required frequently, it is possible to smoothly perform the continuously performed work.

A root crop harvesting machine provided with a weeding device and a scraping device for scooping up and separating the foliage of root crops, and an adjusting device for adjusting the working height of the weeding device and the scraping device. After the sled that is pivotally attached to the fuselage and is attached to the front of the pre-processing unit height adjustment device is adjusted so that the height of the pre-processing unit is substantially set by adjusting the gage wheel, the gage wheel is moved. Since it acts sensitively to the movement of the tip as a support point, the effect of fine-tuning the height of action of the tip weeding body against changes in the shape of the ridge increases, expanding the adaptability to field conditions such as the shape of the ridge. I can do it.

[0040]

[Brief description of the drawings]

FIG. 1 is a side view of a movable sled and a tip plant according to a main part of the present invention.

FIG. 2 is a plan view of a movable sled according to a main part of the present invention.

FIG. 3 is a side view of a movable sled, a weeding device, and a gage wheel according to a main part of the present invention.

FIG. 4 is a front view of a movable sled, a weeding device, and a gage wheel according to a main part of the present invention.

FIG. 5 is an overall side view of the onion harvesting machine according to the embodiment of the present invention.

FIG. 6 is an overall plan view of the onion harvesting machine according to the embodiment of the present invention.

FIG. 7 is a front view in which attachment of a gage wheel according to the embodiment of the present invention is adjustable.

FIG. 8 is a front view in which the attachment of the gage wheel according to the embodiment of the present invention is adjusted by sliding.

FIG. 9 is a front view in which a gage wheel according to the embodiment of the present invention is mounted in a vertically variable structure.

FIG. 10 is a side view in which the mounting of the gage wheel according to the embodiment of the present invention has a vertically variable structure.

FIG. 11 is a sectional view and a side view of the raising tine according to the embodiment of the present invention.

[Explanation of symbols]

 E engine 1 weeding device 3 raking device 5 pulling device 8 excavating blade 9 lower conveying device 10 tip weeding body 10a weeding stick 10b weeding plate 11 movable sled 12 coil spring 13 fulcrum pin 15 lead pin 18 weeding grass -Gum 24 Axle 25 Horitori frame 26 Running wheel 29 Gauge wheel 30 Gauge wheel adjusting handle 33 Traveling transmission device 37 Body front height adjusting device 42a Outer cylinder 42b Guide pin 42c Support point projection 42d Connecting plate 42e Set pin 43 Spacer H Pull-out transport route K Lower transport route W Ridge

Claims (5)

[Claims] 1. A weeding device (1) and a scraping device (3) for scooping and shaping the foliage of root crops, and the working height of the weeding device (1) and the scraping device (3) In a root crop harvesting machine provided with an adjusting device (37) for adjusting the load, a sled (11) which is elastically mounted on the front of the body via a coil spring (12) and is configured to be movable in response to a load change. ) Is a root crop harvester with movable sleds, characterized by the addition of 2. A weeding device (1) and a scraping device (3) for scooping and trimming the foliage of root crops, and the working height of the weeding device (1) and the scraping device (3). Crop plant (10) and a movable sled (11) attached to the front end of the body of a root crop harvesting machine equipped with an adjusting device (37) for adjusting the weight
The root crop harvesting machine with a movable sled according to claim 1, wherein the root vegetable cropping machine is integrally rotatable. 3. A weeding device (1) and a scraping device (3) for scooping and shaping the foliage of root crops, and the working height of the weeding device (1) and the scraping device (3). In a root crop harvesting machine equipped with an adjusting device (37) for adjusting the height of the root crop, a weed body (10) and a movable sled (11) are elastically provided via a coil spring (12) so that their relative positions are within a predetermined range. A root crop harvester with movable sleds, characterized in that it is configured to be rotatable while changing. 4. A weeding device (1) and a scraping device (3) for scooping and shaping the foliage of root crops, and the working height of the weeding device (1) and the scraping device (3) In the root crop harvesting machine provided with the adjusting device (37) for adjusting the vegetation, the weeding device (1) and the scraping device (3) fixed to the machine are separated from the tip weeding body (10) which is separated and independent. A root crop harvesting machine with a movable sled, characterized in that a sled (11) is mounted on the fuselage. 5. A weeding device (1) and a scraping device (3) for scooping and trimming the foliage of root crops, and the working height of the weeding device (1) and the scraping device (3) In a root crop harvesting machine equipped with an adjusting device (37) for adjusting the height, a sled (11) pivotally attached to the body and movable is arranged forward of a height adjusting device (37) such as a gage wheel (29). Root crop harvester with movable sleds, characterized by an attached position configuration.