JP2001190111A - Device for pressing covering material in vegetable harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable vegetables (w) to be stably and properly harvested and a covering material (m) after the harvest of the vegetables to be properly treated by making the proper parts of the covering material (m) approach the ground surface by devices 24a, 24b and 24c for pressing the covering material while harvesting the vegetables cultivated by mulching. SOLUTION: The devices 24a, 24b and 24c for pressing the covering material, capable of pressing the parts of the covering material (m) for covering ridges U at right and left both side parts of harvesting vegetable row lines R1, R2 only at the part between the lower end part of a vertical lifting device 5 and the starting position of the nipping of stems and leaves by a nipping and conveying device 3 so as to approach the ground surface is installed in a vegetable harvester having a divider operating so that the stem and leaf parts w1 of the vegetables (w) planted on the ridge U covered by the covering material (m) may be picked up and lifted up by the vertical lifting device 5, and the nipping and conveying device 3 for nipping the stem and leaf parts w1 divided by the divider 1 and conveying the nipped stem and leaf parts w1 in the aslant upper direction to uproot the vegetables (w) from the ground is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coating material pressing device for a vegetable harvester for harvesting root vegetables such as onions and turnips cultivated on ridges covered with a coating agent.

[0002]

2. Description of the Related Art A weeding apparatus that operates to scoop up the foliage of two rows of vegetables vegetated on a ridge by the tine of a vertical raising device arranged in three rows in the lateral direction of the machine. A vegetable harvesting machine equipped with a nipping and transporting device that simultaneously pulls and shoots two rows of vegetables from the ground by simultaneously pinching and conveying diagonally upwards and shoots of two rows of leaves that have been weeded by the weeding device. There are some that harvest onions and the like cultivated in ridges not covered with a covering material. In this type of harvester, no special mechanism is provided for treating the covering material with the ridge covered.

[0003]

When an onion cultivated in a ridge covered with a covering material is to be harvested by a conventional vegetable harvester, the covering material is lifted to the ground together with the onion and the like, and is held by a nipping / conveying device or other equipment. It becomes unharvestable due to entanglement with the site.

[0004] The present invention solves such problems, and mechanically and smoothly pulls onions and the like cultivated in ridges covered with the covering material together with the covering material, or removes the ground from the ground together with the covering material. The stems and leaves of onions and the like that have been pulled out are mechanically and appropriately cut and separated, or the roots of onions and the like from which the stems and leaves have been cut are dropped on ridges, and a coating material is placed on the dropped roots. An object of the present invention is to provide a coating material pressing device of a vegetable harvesting machine that can perform mechanical and appropriate lowering so as to be in a state where subsequent coating material processing can be easily performed.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, the foliage of vegetables vegetated on a ridge covered with a covering material is scooped up by a vertical raising device. A weeding device that operates as described above, and a nipping and transporting device that pulls vegetables out of the ground by nipping the foliage that has been weeded by the weeding device behind the scraping device and transporting it diagonally upward. Vegetable harvesting machine equipped with, and furthermore, the covering material portion covering the ridges on both the left and right sides of the vegetable row being harvested from the lower end of the vertical elevating device to the foliage clamping start position of the nipping and conveying device And a covering material pressing device that presses so as to approach the ground only between the two.

According to this invention, the covering material in the state where the covering material pressing device is covered with the ridge is vertically raised and brought close to the ground only from the lower end of the device to the foliage clamping start position of the clamping and conveying device. This makes it possible to smoothly scoop up and raise the foliage by the vertical elevating device, prevent the coating material from being entangled with the nipping transport device, etc. An excessive restraining force by the coating material on the pulling process of onions or the like is reduced.

According to the second aspect of the present invention, the vegetation is vegetated on the ridges by the vertical erecting devices arranged in three rows in the lateral direction of the body and positioned on the left and right sides of each of the two vegetable rows during harvesting. A weeding device that operates to scoop up the foliage of the vegetables in each row, and the two foliage weeds that have been weeded by this weeding device are simultaneously clamped behind the center of the width of the weeding device. There is no vegetable harvesting machine equipped with a pinching transport device that pulls out two rows of vegetables from the ground simultaneously by transporting diagonally upward, and furthermore, the ridges on the left and right sides of each vegetable row during harvesting A covering material pressing device for pressing the covered material portion so as to approach the ground is extended rearward from a lower end portion of each vertical elevating device, and at this time, a covering material pressing device on the left and right end sides. The rear end is located forward of the foliage pinching start position of the pinch transfer device To.

According to the present invention, the right and left end side and center covering material pressing devices hold the covering material in a ridge-covered state in a state where the covering material in the vertical direction is brought close to the ground at a position behind the lower end of the device. This facilitates the scooping and raising of the foliage by the vertical raising device. At this time, the covering material pressing device on the left and right ends raises the covering material in a ridge-covered state in a vertical direction, and is brought close to the ground only from the lower end portion of the device to the foliage clamping start position of the clamping and conveying device. In this way, the covering materials on the left and right sides of the nipping and conveying device are brought close to the ground in an appropriate range and
Imbalance and excessive restraint by the coating material with respect to the pulling process of onions and the like by the nipping and conveying device hardly occurs.

According to the third aspect of the present invention, the vegetation is vegetated on the ridges by the vertical erecting devices which are arranged in three rows in the lateral direction of the body and are located on both the left and right sides of each of the two vegetable rows during harvesting. A weeding device that operates to scoop up the foliage of the vegetables in each row, and the two foliage weeds that have been weeded by this weeding device are simultaneously clamped behind the center of the width of the weeding device. A nipping and transporting device that pulls out two rows of vegetables from the ground at the same time by being transported diagonally upward, and holds the roots and foliage of the vegetables that are extracted and transported by the nipping and transporting device via a guideway. A foliage lower guide plate for guiding backward with a gentler inclination than the transport direction of the transport device, a cutter for vertically dividing the foliage guided by the foliage lower guide plate, and a vegetable on the furrow Works to harvest two by two Each of the vertical raising devices includes a rape harvesting machine, and a covering material pressing device for pressing the covering material portions covering the ridge portions on the left and right sides of each vegetable row being harvested so as to approach the ground. To extend rearward from the lower end of the, at this time, the covering material pressing device on the left and right end positions its rear end ahead of the foliage pinching start position of the nipping and conveying device, the central covering material pressing device The part is turned obliquely rearward and upward, and the rear end is fixed to the front edge of the foliage lower guide plate.

[0010] According to the present invention, the covering material pressing device at the left and right ends and at the center lifts the covering material in a state of covering the ridge from the lower end of the device to the foliage clamping start position of the clamping and conveying device. Only the covering material on the left and right sides of the nipping and conveying device is brought close to the ground in a proper range by the covering material pressing devices on the left and right ends in a proper range. The same effect as that of each invention is obtained, and the extraction of onions and the like and the cutting of foliage with a cutter can be performed properly and stably. Furthermore, since the rear part of the central coating material pressing device is directed obliquely rearward and upward, and the rear end is fixed to the front edge of the foliage lower guide plate, the central coating material pressing device prevents the rising of the coating material when the root is pulled out. In addition, the cutting process of the foliage of each row is performed appropriately while distinguishing the vegetables of the two rows.

According to the invention described in claim 4, vegetation on the ridges by the vertical erecting devices arranged in three rows in the lateral direction of the body and located on the left and right sides of each of the two vegetable rows during harvesting. A weeding device that operates to scoop up the foliage of the vegetables in each row, and the two foliage weeds that have been weeded by this weeding device are simultaneously clamped behind the center of the width of the weeding device. A nipping and conveying device for simultaneously extracting two rows of vegetables from the ground by being conveyed diagonally upward, and a cutter for vertically separating the roots and foliage of the vegetables that are extracted and conveyed by the nipping and conveying device. And a cutting blade body which is positioned forward of the front end of the nipping and conveying device and which cuts the ridge-covered multi-film at the center of the width thereof, and operates so as to harvest the vegetables on the ridge two by two. Vegetable harvester, each harvesting A covering material pressing device for pressing the covering material portions covered with ridges on the left and right sides of the vegetable row so as to approach the ground extends rearward from the lower end portion of each vertical elevating device, and In the meantime, of the covering material pressing devices on the left and right ends, those closer to the ridge shoulder position the rear end thereof ahead of the foliage clamping start position of the holding and conveying device, while those closer to the cutting blade body have the rear end. Is positioned in the vicinity of the side of the cutting blade body, and the coating material pressing device in the center moves the rear part obliquely rearward and upward, and positions the rear end near the front part of the cutter.

According to the present invention, the following effects can be obtained in addition to the effects of the above-mentioned inventions, that is, the coating material pressing device near the cutting blade body cuts the rear end of the cutting material. Since the cutting blade is located near the side of the blade, the cutting blade accurately divides the center of the width of the coating material. After the foliage of onions and the like is cut by the cutter, the thus-divided covering material is smoothly and stably relatively displaced rearward with respect to the fuselage as the fuselage advances. Can be easily performed.

According to the fifth aspect of the present invention, the second to fourth aspects are provided.
In the vegetable harvesting machine according to any one of the above, the height of the covering material pressing device on the left and right ends with respect to the vertical raising device can be changed and adjusted. According to this, the degree to which each of the coating material pressing devices on the left and right end sides attempts to bring the coating material close to the ground can be arbitrarily changed, and the coating material on the left and right sides of the nipping and transporting device removes onions and the like. And its influence on the division of foliage and the like is in a state where the left and right are balanced, so that the processing of harvested materials such as onions and the processing of the covering material can be performed properly irrespective of the difference in the condition of the field.

[0014] In the invention described in claim 6, claims 2 to
5. Each coating material pressing device in the invention according to any one of 5) is a film guide pressing bar formed by a rod member. According to this, the coating material pressing device has a simple structure and is lightweight.

According to the seventh aspect of the present invention, the first to sixth aspects are provided.
In the invention according to any one of the above, the front portion of each coating material pressing device is formed as a forwardly rising arc-shaped portion, and a circular coating material guide is provided rotatably about a horizontal axis in relation to the arc-shaped portion. According to this, the circular coating material guide is rotated in conjunction with the relative movement with the coating material to rotate and feed the coating material below the coating material pressing device. The portion presses the coating material fed and moved by the circular coating material guide body downward, whereby the coating material smoothly slides toward the lower surface side of the coating material pressing device.

According to the present invention, the lowermost portion for pressing the covering material so as to approach the ground, a forwardly rising arc-shaped portion continuously formed in front of the lowermost portion, and a rearward portion of the lowermost portion. At the same height as the lowermost portion, and the lowermost extension portion is directed rearward, and the inclined portion is inclined upward and obliquely from the lowermost portion or the lowermost extension portion. . This coating material pressing device is claimed in claims 3 and 4.
And the like, and is lightweight and easily formed.

According to the ninth aspect of the present invention, the main rod member according to the eighth aspect of the present invention is inclined obliquely rearward and downward from the middle of the length of the main rod member, and then rearward at substantially the same height as the lowermost part. It has a configuration having a lateral side branch bar that is shifted. According to this, the lateral branch rod changes the left-right direction range in which the covering material approaches the ground, and even if the covering material holding state does not change the height or length of the main rod member or the lower branch rod. Change.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below. 1 is a side view of a vegetable harvester according to the present invention, FIG. 2 is a plan view of the harvester, FIG. 3 is a front view of the harvester, FIG. 4 is a power system diagram of the harvester, and FIG. FIG. 6 is a side view explanatory diagram showing a lower portion of the vertical raising device of the machine, FIG. 6 relates to a tine-related portion of the vertical raising device, A is a diagram showing an xx portion of FIG. , FIG. 7 is a side view explanatory view of the harvester, FIG. 8 is a plan view showing the vicinity of a foliage cutting device of the harvester, and FIG. Side view, FIG. 10 is a side view showing the surroundings of the covering material pressing device in the center of the harvester, FIG. 11 is a plan view showing the processing condition of the covering material by the harvester, and FIG. 12 is the covering material pressing device of the harvester It is a front view which shows the working condition of.

As shown in FIGS. 1 to 3, a vegetable harvester according to the present invention comprises a weeding device 1, a scraping device 2, a nipping and conveying device 3.
And a vegetable processing section A having a foliage cutting device 4 and a traveling vehicle section B supporting each section of the vegetable processing section A.

First, the weeding device 1 will be described with reference to FIGS. That is, three vertical raising devices 5 are provided at regular intervals in the lateral direction of the vehicle. Each vertical elevating device 5 includes an endless chain 6 that is orbited along an elliptical orbit along a specific vertical surface, and a tine formed as a resin-integral molded product at each of fixed intervals of the chain 6. 7 is mounted via a connecting link 8 and a fulcrum shaft 9 so as to be able to move up and down freely. The upper and lower portions of the chain 6 are wrapped around sprockets 10a and 10b which are mounted on the apparatus frame 5a.

Each of the tines 7 is in the lying position while the trailing edge a of the apparatus frame 5a is lowered together with the chain 6, and when the tines 7 reach the vicinity of the lowermost position p, the tines 7 start to be displaced by the guiding action of a guide portion (not shown). At the lowermost position p, it is in a completely upright posture, and moves upward and forward in a circular arc b around the sprocket 10b. When it is moved obliquely rearward and upward along the edge c and reaches the vicinity of the uppermost position, it starts to be displaced, and after moving around the sprocket 10a, it comes to a complete lying posture.
It descends along the trailing edge a of a.

Each tine 7 has a tine cap 1 made of a rubber material or a rubber equivalent material so as to be elastically deformable.
2 is extended and fitted externally. At this time, two projections 12a and 12b are provided on the inner surface of the tine cap body 12, and the projections 12a and 12b are engaged with the ribs 7a and 7b of the tine 7 when the tine cap body 12 is engaged.

In the present embodiment, the tine cap bodies 12 are engaged with all the tines 7, and all the tine cap bodies 12 have the same size. However, the present invention is not limited to this. The tine cap bodies 12 are attached to every other or a plurality of the tine cap bodies 12, and a large number of tine cap bodies 12 are arranged by changing the length of the tine cap bodies 12. It is also acceptable to arrange them in a plurality of types with soft ones.

As shown in FIG. 2, the scraping device 2 is composed of a pair of left and right horizontal sweeping portions 13, 13. The locking projections 13 a of each sweeping portion 13 are connected to the tip of the sweeping device 2. Move around from the outside toward the center of this device 2,
Subsequently, by moving diagonally upward, the foliage w1 caused by the vertical raising device 5 is scraped into the lower center of the device 2 and pushed upward diagonally.

The holding / conveying device 3 includes a pair of right and left horizontal holding / conveying main parts 14, 14.
Are formed by wrapping a conveyor belt 15 around a pair of pulleys arranged in front and rear.
13, the conveyor belts 15 and 15 are arranged to face each other so that the distance between the conveyor belts 15 and 15 coincides with the center of the width of the weeding device 1. This is used as a nipping conveyance path k. , 15 move rearward.

The nipping / conveying device 3 receives the relatively upper portion of the foliage w1 that has been scraped by the raking device 2 at the conveying start end of the nipping / conveying path k, and subsequently conveys it obliquely rearward and upward by the conveying belt 15. In this transporting process, the excavating blade 16 shown in FIG. 7 and the like pulls out the root w2 on the bulged ridge U from the soil prior to this transporting. The foliage w1 transported by the transport device 3 is provided at the rear of the nipping transport device 3.
A foliage release device 3a is provided which inherits and drops into the furrow groove n. A rubber plate or the like for guiding the foliage w1 released from the foliage release device 3a to the ground is provided at the aircraft specific position. The foliage discharge guide 3b is suspended.

Below the conveyor belts 15, 15, there is provided a lower foliage auxiliary feeding device 17 as shown in FIGS. The lower auxiliary feed device 17 is composed of a pair of left and right lower feed main portions 17a, 17a. The upward inclination in the feed direction is made gentler than that of the holding and conveying device 3, and a large number of front and rear end pulleys are provided. It is formed by wrapping around an endless lower feed belt 18 provided with rows of protrusions. At this time, the pair of lower feed belts 18 and 18 are opposed to each other, and a space between the belts 18 and 18 forms a feed path k1 for the lower foliage, and the belts 18 and 18 move rearward on the feed path k1. .

As shown in FIGS. 3, 7 and 8, etc., the foliage cutting device 4 is provided near the lower side of the lower foliage auxiliary feeding device 17 below the front of the nipping and conveying device 3, and is provided with a lower foliage auxiliary. A lower foliage guide plate 19 having a sliding plate 19a fixed to the lower surface thereof substantially along the feeding device 17, and a disk cutter 2 mounted horizontally on the rear upper side of the lower foliage guide plate 19
0.

At this time, the foliage lower guide plate 19 is formed so that the foliage w1 of the row of adjacent vegetables w passes vertically, and has a width such that the root w2 cannot pass upward. The guide paths 19b, 19b are formed, and the disk cutter 20 is fixed via support means (not shown) which can move its support position obliquely rearward and upward. The foliage w1 toward the rearmost part of the guide path 19b is cut off from the root w2 at the lower part.

The excavating blade 16 is provided with a horizontal blade portion 16a extending in the soil and a vertical arm portion 16b for supporting the blade portion 16a. The blade 16a is disposed so as to be positioned at a predetermined position, and the lengthwise arm 16b is supported on the body fixing portion (vehicle frame 22) via a horizontal shaft 21 along the length. The excavating blade 16 is configured to be swung about the horizontal shaft 21 by power, and the vertical arm portion 16b is provided with rows R1, R2 of vegetables w being harvested and unharvested vegetables adjacent to these rows. w and the row R3, and the blade portion 16a has two rows of vegetables w, R1 and V2, which are being harvested.
At the same time, the soil below R2 will be softened and softened.

A support means (not shown) is formed in a part of the vertical arm portion 16b below the horizontal shaft 21, and through this support means, a disk-shaped cutting blade body 23 extends in the front-rear direction. It is vertically oriented and rotatably mounted. The cutting blade body 23 has a sharp saw blade on the outer periphery.

As shown in FIG. 1 to FIG. 3, FIG. 8 and FIG. 10, a multi-film m, which is a covering material covered with a ridge U, is provided near the lower end of each vertical elevating device 5 of the weeding device 1. Film guide holding rods 24a, 24b and 24c are provided as a coating material pressing device for guiding and holding. These film guide holding rods 24a, 24b, 24c pinch and convey the multi-film m portions covering the ridges U on the left and right sides of the harvested vegetable rows R1, R2 from the lower end of each vertical raising device 5. The device 3 is pressed so as to approach the ground only up to the foliage holding start position.

The film guide holding rods 24a on the left and right ends are provided.
Reference numeral 24b denotes a symmetrical structure, and the rightmost end thereof will be described. As shown in FIG. 9, a vertical support plate e is mounted on a device frame 5a of a vertical raising device 5 by a long hole and a fixing bolt. The film guide holding bar 24a is extended rearward from the lower end of the support plate e. In FIG. 9, the imaginary line ka indicates a state in which the position of the vertical support plate e is moved downward within the range of the elongated hole to lower the height of the film guide holding bar 24a.

In order to smoothly guide the multi-film m to the rear lower surface side thereof while the fuselage is in progress, the film guide holding rods 24a and 24b have a front part formed as an arc-shaped part g1 rising forward, and a tine 7 and a tine cap. 12 in order to stably pick up the foliage w1 by the arc-shaped part g1.
1 is located in the vicinity of the range in which the tip of the tine cap 12 presses the multi-film m downward, and the straight portion forming the lowermost part g2 is positioned at the point where the tip of the tine cap 12 starts pressing the multi-film m. Is located. The rear ends g3 of the left and right film guide holding bars 24a, 24b are also warped rearward to avoid local contact with the multi-film m. At this time, the rear end of the film guide holding rod 24a is located forward of the foliage clamping start position of the nipping and conveying device 3 and near the side of the front edge of the cutting blade body 23 so that the multi-film m by the cutting blade body 23 is formed. It is sufficient that the separation is accurately performed, and the rear end of the film guide holding rod 24b only needs to be in front of the foliage holding start position of the holding and conveying device 3. However, in order to ensure the symmetry of the structure, the film guide holding is required. The front and rear positions are the same as the rear end of the rod 24a.

The center film guide holding rod 24c is shown in FIG.
0, the device frame 5 of the vertical raising device 5
A vertical support plate e1 is fixed to a by a fixing bolt, and extends rearward from the lower end of the support plate e1.
This film guide holding bar 24c has a lowermost portion gk2 for holding the multi-film m close to the ground in the same manner as the film guiding holding bar 24a, and a forward rising shape formed continuously in front of the lowermost portion gk2. And the lowermost part gk continuously behind the lowermost part gk2.
The lowermost extension g4 that is directed rearward at the same height as 2
In addition to the one main bar member h having the following structure, the bar member h is provided with an inclined portion gk3 which extends obliquely rearward and upward from the middle of the length of the bar member h. Then, from the middle of the length of the main bar member h, the horizontal branch bar g5 is directed obliquely rearward and downward and laterally, and subsequently toward the rear at substantially the same height as the lowermost portion gk2.

The above film guide holding rods 24a, 24
b, 24c, the respective vertical supporting plates e, e1 are provided with circular covering material guides 241 rotatably about the horizontal shaft 242 in association with the corresponding arc-shaped portions g1, gk1,
The circular covering material guide 241 is rotated in contact with the multi-film m prior to the arcuate portions g1 and gk1 during the movement of the fuselage and presses it downward. This circular covering material guide 241 is not necessarily provided, but may be omitted.

As shown in FIGS. 7, 8 and 11, a multi-focusing mechanism is formed behind the foliage cutting device 4.
The multi-focusing mechanism includes a triangular frame-shaped focusing rod 25 mounted on the left side of the traveling vehicle section B, and a focusing roller 26 provided at a specific position behind the rod 25 and directly behind the foliage cutting device 4. ing.

During the movement of the fuselage, the focusing rod 25 enters between the multi-film m covering the corresponding ridge shoulder and the soil surface forming the ridge shoulder, and continuously transfers the multi-film m to the ridge shoulder. The collecting roller 26 supports the multi-film m, which has been peeled off by the collecting rod 25 and divided in the width direction by the cutting blade 23, so that its width gradually narrows, and narrows backward as the machine advances. It is sent out in the form of a width and descends on the ridge U of the harvest trace.

As shown in FIGS. 1 to 3, the traveling vehicle section B includes a pair of left and right traveling wheels 27, a vehicle frame 22 supported by the traveling wheels 27, and a gauge wheel for supporting a front portion of the vehicle frame 22. 28, an engine 29 fixed to the rear of the vehicle frame 22, and a steering handle 30 projecting rearward of the engine 29 are provided.

A mission 31 is provided on the lower side of the engine 29.
A transmission case 32 facing left and right is provided on the lower side.
At this time, a part of the transmission case 32 on the side other than the gauge wheel 28 side is formed as a left-right expandable portion 33, and an operation mechanism 34 for expanding and contracting the expandable portion 33 is provided. The final case 3 is provided at both ends of the transmission case 32.
5 and 35 are provided, and running wheels 27 and 27 are mounted on the distal end of the final case 35.

The gauge wheel 28 is rotatably mounted on the lower end of an inclined support cylinder 36 fixed to the vehicle frame 22, between the upper part of the inclined support cylinder 36 and the steering handle 30. A rotation operation handle 37 is provided.
The rotation of the handle 37 causes the inclined support cylinder 36 to rotate.
Is changed, and the height of the gauge wheel 28 with respect to the vehicle frame 22 is changed.

The power transmission system of the engine 29 is as follows. That is, as shown in FIG.
Is transmitted to mission 31 and then mission 3
Transmission case 32 from left to right, final case 3
5 and 35 and the traveling wheels 2 via the steering clutches 38 and 38
7 and 27.

At the front part in the mission 31, the work output shaft 39 facing forward and backward and the power transmission system of the engine 29 are connected. A lateral drive shaft 41 is interlocked to the work output shaft 39 via a bevel gear 40.

A crank 42 is formed at the right end of the lateral drive shaft 41. A worm 43 is provided at the center of the lateral drive shaft 41, and the worm wheel 44 meshed with the worm 43, and the lateral drive shaft 41 and the holding / conveying device 3
And the driving shaft 45 for use with the motor.

The drive shaft 45 is connected to the center shafts 46, 46 of the pulleys on the rear side of each of the nipping and conveying main parts 14 via a chain transmission mechanism or the like.
The center shaft 47 of the front pulley, which is transmitted via the transmission 5, is operatively connected to the center shafts 48, 48 of the rear pulleys of the scraping device 2 and the lower foliage auxiliary feed device 17, respectively.

From the right end of the lateral drive shaft 41, a front-rear transmission cylinder case 49 is extended, and the rear end of the front-rear drive shaft 50 in the transmission cylinder case 49 and the lateral drive shaft 41 are connected via a bevel gear 51. The front end of the front and rear drive shaft 41 and the upper sprocket shaft 52 for operating the tine 7 of the vertical raising device 5 are connected to the bevel gear 5.
3 for binding.

One end of a front-rear connection rod 54 is connected to the crank 42 of the lateral drive shaft 41, and the other end of the rod 54 is connected to the upper end of the vertical support arm 16b of the digging blade 16, so that the crank 42 The longitudinal displacement of the connecting rod 54 due to the above is transmitted to the excavating blade 16.

Further, a bevel gear 55 is provided at an appropriate position of the lateral drive shaft 41, and a front-rear rotational shaft 56 which can be extended and contracted by spline coupling is extended from the bevel gear 55,
The rotating shaft 56 is linked to the rotating center shaft of the disk cutter 20 via a transmission shaft 57 that can be bent and displaced by a universal joint and is expandable and contractable by spline coupling, and an appropriate transmission case 58 fixed at a specific position.
Here, the front-rear rotation shaft 56 may be provided on either the left or right side of the body.

Next, the operation of harvesting onion, which is a kind of vegetable w vegetated on the ridge U covered with the multi-film m, using the harvester configured as described above will be described. As shown in FIG. 1 to FIG. 3, a state in which the airframe extends along the longitudinal direction of the ridge U, the left and right running wheels 27, 27 are located in the left and right ridge grooves n of one ridge U, and the airframe straddles the ridge U. And Next, if necessary, the rotation operation handle 37 is rotated to displace the gauge wheel 28 upward with respect to the machine body, and the weeding device 1, the scraping device 2, the excavating blade 16, the cutting blade body 23, and the disk cutter 20 are rotated. In addition, the nipping and conveying device 3 is set to an optimal height for the onion w harvesting process. Thereby, the film guide holding rods 24a, 24b, 24c are located on the left and right sides of the two vegetable rows R1, R2 to be harvested, and the vertical raising device 5
Of the multi-film m covered with the ridge U from the lower end of the film to the foliage clamping start position of the clamping and conveying device 3,
With gk2, it is in a state of being pressed close to the ground. Further, the tine 7 and the tine cap body 12 of each vertical elevating device 5 come into contact with the upper surface of the multi-film m covered with the ridge U at the lowermost position of the movement locus and press the ground.

After that, the respective parts are operated and the body is run. When the fuselage advances, the film guide holding rod 24a,
24b and 24c advance on the multi-film m. During this progress, the film guide holding rod 24 is moved by the presence of the circular covering material guide 241 and the arc-shaped portions g1 and gk1.
a, 24b, and 24c do not catch on or break through the multi-film m, and cover the ridge U from the lower end of each vertical raising device 5 to the foliage clamping start position of the clamping and conveying device 3. The m portion of the multi-film is always stably brought close to the ground. On the other hand, the tine 7 and the tine cap body 12 of each vertical elevating device 5 reach the vicinity of the lowermost position of the movement locus, and take the standing posture one after another, and the lowermost g2 of the film guide holding rods 24a, 24b, 24c, The multi-film m is moved forward and upward while pressing the portion m of the multi-film close to the ground with gk2. At this time, the tine cap body 12 bends rearward as shown in FIG. 5 and the like due to the reaction force from the ground, slides on the upper surface of the multi-film m, and during this movement, falls over the multi-film m. Of the vegetable rows R1 and R2 of the above is securely scooped. Thereafter, the tine 7 and the tine cap body 12 act to pull the foliage w1 scooped up diagonally rearward and upward, and thereby the foliage w1 of each vegetable row R1, R2.
Is caused while the entanglement with the foliage w1 of the adjacent row of onions w is separated.

The foliage w1 thus treated reaches the raking device 2 by the advance of the body, and the raking device 2 holds the foliage w1 of the two vegetable rows R1 and R2 by nipping and conveying. Feed into the foliage pinching start position of No. 3. The nipping and transporting device 3 simultaneously nipping the fed two-leaf foliage w1 at the foliage nipping start position, and subsequently nipping and conveying obliquely upward.

On the other hand, the cutting blade body 23 is swung back and forth and up and down in conjunction with the rocking of the excavating blade 16 and is moved forward, and is rotated by friction with the soil to cut off the center of the width of the multi-film m. It is bisected left and right as shown in FIG.

The excavating blade 16 enters the soil through an opening formed in the multi-film m portion cut off by the cutting blade body 23, and the blade portion 16a of the excavating blade 16a is in the two rows R during harvesting.
The onion w is moved forward and backward and vertically below and below the root w2 of the onion w for R2 to make the soil around the root w2 for two rows soft and soft. At this time, the vertical arm 16 of the excavating blade 16
Since b is located in the opening of the multi-film m formed by the cutting blade body 23 first, it does not come into strong contact with the multi-film m, so that the post-processing of the multi-film m becomes difficult. It does not cause deformation.

As the nipping and transporting of the foliage w1 by the nipping and transporting device 3 proceeds, the foliage w1 is gradually raised, and a pulling force acts on the root w2 thereof, and the root w2 is gradually removed from the soil. Be raised. At this time, the multi-film m is pulled up to the ground together with the root w2. At the initial stage of the pulling of the root w2, the multi-film m is brought close to the ground at three places by the film guide holding rods 24a, 24b and 24c as shown in FIG. Is maintained in the state
In the latter stage of the pulling of 2, the left and right multi-film m portions of the root portion w2 are no longer in contact with the left and right end sides or the center film guide holding bars 24a, 24b, so that excessive restraint by these holding bars 24a, 24b, 24c is avoided. Without receiving
The root w2 is smoothly pulled up and pulled out from the ground. During this removal, the center film guide holding bar 24
“c” maintains the onion w of the two rows R1 and R2 being harvested at the inclined portion gk3 in a state where the onions w are arranged in the right and left arrangement of each row R1 and R2.

Thereafter, when the nipping and transporting of the foliage w2 by the nipping and transporting device 3 further proceeds, each row R1,
The root w2 of R2 is arranged on the lower surface of the foliage lower guide plate 19 in each row R.
The discs arrive at the left and right sides in units of 1, R2, and are assisted in the backward movement by the backward feeding force applied to the lower part of the foliage w1 from the lower foliage auxiliary feeding device 17 while being guided through the corresponding guide guide paths 19b. It is moved toward the cutter 20.

Even after the root w2 of each row R1 and R2 reaches the foliage lower guide plate 19, the foliage w1 is conveyed obliquely rearward and upward by the holding and conveying device 3.
The roots w2 of the rows R1 and R2 move upward from the foliage lower guide plate 19, respectively.
Is regulated by the guidance guideway 19b corresponding to the above, the foliage w1 of each row R1, R2 is tensioned and reaches the disk cutter 20, where the lower part of the foliage w1 is rotated by the disk cutter 20. It is cut and separated from the root w2.

During the processing of the root w2 by the lower foliage guide plate 19, the multi-film m covered with the ridges U becomes the root w.
2, the more the root w2 is conveyed to the rear of the fuselage, the higher it is raised together with the root w2. The portion of the multi-film m thus lifted is located forward of the multi-film m holding portions 24a and 24.
Since b and 24c are appropriately pressed on the ground, they do not become entangled with the holding and conveying device, the lower foliage guide plate 19, the lower foliage auxiliary feeder, and the like.

In particular, the provision of the lowermost extension g4 and the lateral branch bar g5 enhances the pressing action of the multi-film m to remove slack in the multi-film m or change the pressing position and range of the multi-film m. This contributes to improving the balance of the pressing action.

The root w2, which has been cut off by the disk cutter 20 and has become free, is immediately dropped onto the ridge U. On the other hand, the multi-film m having the root w2 separated is separated.
As shown in FIG. 11, the collecting rod 25 is peeled off from the ridge shoulder and the ridge groove n by the convergence rod 25, and is left on the ridge U of the harvesting trace while being guided by the convergence roller 26. Note that the focusing rod 25 is manually positioned between the ridge shoulder and the multi-film m covering it at the start of the harvesting operation.

Onions w of two rows R1, R2 on the ridge U
After the above is harvested as described above, the aircraft is turned 180 degrees and advanced in the opposite direction to the previous one, so that the remaining two
The onion w in the rows R3 and R4 of the row is similarly harvested.
After the harvest process is completed, the operator manually removes the multi-film m and collects the root portion W2.

During the above-mentioned use, the cutting process of the multi-film m by the cutting blade body 23, the pulling process of the root portion w2 by the nipping and conveying device 3, the cutting process of the foliage portion w1 by the disc cutter 20, the converging process of the multi-film m, and the like. When the film guide holding bars 24a, 24b, 24c become unstable or inappropriate due to imbalance of the restraining action of the multi-film m, etc., the height of the film guide holding bars 24a, 24b on the left and right end sides. To correct the imbalance.

In the above embodiment, the tine cap body 12 is engaged with the tine 7 so that the extended portion of the tip of the tine 7 is elastically deformable. Only the tip may be elastically deformable.

[0063]

According to the present invention, the following effects can be obtained. That is, according to the first aspect, the appropriate portion of the covering material portion is appropriately brought close to the ground by the covering material pressing device, and the vertical raising device can scoop and raise the foliage portion smoothly and reliably. And prevent the coating material from getting entangled with the nipping / conveying device, etc., and alleviate the excessive restraining force against the onion or the like withdrawal process by the nipping / conveying device, etc., and stabilize the extraction of the root and subsequent processing. It can be performed properly and properly.

According to the second aspect of the present invention, the covering material is brought close to the ground below and at the rear of the lower end of each of the vertical raising devices by the covering material pressing devices at the left and right ends and at the center. It is possible to smoothly carry out the scooping and raising of the foliage by each vertical raising device by holding, and the coating material pressing device on the left and right end side is used for each vertical raising device. Only between the lower end of the pinch and the foliage pinching start position of the pinching and conveying apparatus, and in a state of being close to the ground, it is possible to properly hold the covering materials on the left and right sides of the pinching and conveying apparatus in a well-balanced manner. In addition, during the pulling process of onions and the like by the nipping and conveying device, the coating material is less likely to be imbalanced and excessively restrained, and a stable and proper harvesting operation can be performed.

According to the third aspect of the present invention, the following effects can be obtained in addition to the above-mentioned effects, that is, pulling out of the root portion by the inclined guiding action of the rear portion of the central coating material pressing device. In addition, the coating material can be smoothly raised at the time, and the center coating material pressing device is firmly supported at its front and rear ends to improve the rigidity of the surroundings. The lower part of the foliage can be reliably separated and guided for each row, and can be accurately guided to the guidance guide path corresponding to each row, and the foliage can be appropriately cut.

According to the fourth aspect of the present invention, the following effects can be obtained in addition to the above-mentioned effects, that is, the coating material pressing device near the cutting blade is provided with a coating material near the cutting blade. The center of the width can be accurately divided under the condition that the material is pressed against the ground, and the covering material separated by the cutting blade can be smoothly and stably rearwardly moved with respect to the fuselage as the fuselage advances. And the subsequent treatment of the coating material can be performed smoothly.

According to the fifth aspect of the present invention, by changing the height of each of the covering material pressing devices on the left and right ends, it is possible to appropriately adjust the degree of the pressing devices trying to bring the covering material close to the ground. This makes it possible to appropriately change the balance in the left-right direction of the influence exerted by the covering materials on the left and right sides of the nipping and conveying device on the extraction of onions and the like and the division of the foliage. Then, despite the change of the harvest condition due to the difference in the condition of the field, the balance of the influence is secured and the good harvest process is enabled.

According to the sixth aspect of the invention, the coating material pressing device can have a simple structure and a light weight.

According to the seventh aspect of the present invention, the sliding action of the coating material pressing device on the coating material is guided by the rotation of the circular coating material guide, and the guiding operation of the arc-shaped portion of the coating material pressing device. Can be smoothed.

According to the eighth aspect of the present invention, the apparatus is used as the central coating material pressing device according to the third aspect of the present invention. , Which are easily formed.

According to the ninth aspect of the present invention, it is possible to easily change the left-right position and range in which the covering material is brought close to the ground, and furthermore, the pressing action of the covering material is reduced by the main rod member and the lower branch rod. Can be changed without changing the height or length of the object.

[Brief description of the drawings]

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

FIG. 2 is a plan view of the harvester.

FIG. 3 is a front view of the harvester.

FIG. 4 is a power system diagram of the harvester.

FIG. 5 is a side view operation explanatory view showing a lower portion of the vertical elevating device of the harvester.

6A is a view showing a xx portion of FIG. 5 and FIG. 6B is a side view of A, relating to a tine-related portion of the vertical raising device.

FIG. 7 is an explanatory side view of the harvester.

FIG. 8 is a plan view showing the periphery of a foliage cutting device of the harvester.

FIG. 9 is a side view showing the periphery of the covering material pressing device on the left and right end sides of the harvester.

FIG. 10 is a side view showing the periphery of a coating material pressing device at the center of the harvester.

FIG. 11 is a plan view showing a processing state of a covering material by the harvester.

FIG. 12 is a front view showing an operation state of the covering material pressing device of the harvester.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Grass weeding device 2 Raising device 3 Nipping and conveying device 5 Vertical raising device 7 Tine 19 Foliage lower guide plate 19b Guidance guideway 20 Cutter 23 Cutting blade body 24a Coating material pressing device (film guide pressing bar) 24b Coating material pressing Device (film guide holding bar) 24c Coating material pressing device (film guide holding bar) 241 Circular coating material guiding body 242 Horizontal axis R1 Row R2 Row U ridge g1 Arc part g2 Bottom gk1 Arc part gk2 Bottom gk3 Inclined part g4 Bottom extension part g5 Side branch bar h Main bar member m Coating material (multi-film) w Vegetables (onion) w1 Foliage

Claims (9)

[Claims] 1. A weeding device that operates so as to cause a foliage portion of a vegetable planted on a ridge covered with a covering material to be scooped up by a vertical raising device, and a foliage portion weeded by the weeding device. Harvester equipped with a holding and conveying device that pulls vegetables out of the ground by nipping and transporting the vegetables diagonally upward behind the scraping device, on the left and right sides of the row of vegetables being harvested A covering material pressing device that presses the covering material portion covering the ridge of the portion so as to be brought close to the ground only from the lower end portion of the device to the foliage clamping start position of the clamping and conveying device from the lower end of the device. A coating material pressing device for vegetable harvesting machines. 2. Vegetables of each row vegetated on ridges by vertical raising devices arranged in three rows in the lateral direction of the machine body and positioned on both left and right sides of each row of vegetables during harvesting. A weeding device that operates to scoop up the foliage and the two weeds that have been weeded by this weeding device are simultaneously held behind the center of the width of the weeding device and conveyed diagonally upward. A vegetable harvesting machine equipped with a holding and conveying device for simultaneously extracting two rows of vegetables from the ground, wherein a covering material portion covered with ridges on both left and right sides of each vegetable row being harvested is placed on the ground. A covering material pressing device for pressing so as to approach each other is extended rearward from the lower end of each vertical elevating device, and at this time, the rear ends of the covering material pressing devices on the left and right end sides of the holding and conveying device are A vegetable harvester characterized in that it is positioned forward of the foliage pinching start position. Coating material pressing device. 3. Vegetables of each row vegetated on a ridge by vertical raising devices arranged in three rows in the lateral direction of the machine body and positioned on both left and right sides of each row of vegetables during harvesting. A weeding device that operates to scoop up the foliage and the two weeds that have been weeded by this weeding device are simultaneously held behind the center of the width of the weeding device and conveyed diagonally upward. A nipping and conveying device that simultaneously extracts two rows of vegetables from the ground, and a root and foliage portion of the vegetables that are extracted and conveyed by the nipping and conveying device through the guiding guideway in the conveying direction of the nipping and conveying device. It is provided with a lower foliage guide plate for guiding backwards at a gentle inclination, and a cutter for vertically dividing the foliage guided by the lower foliage guide plate, and harvesting two rows of vegetables on the ridge. Vegetable harvester that operates during harvesting The covering material pressing devices for pressing the covering material portions covered with the ridge portions on both left and right sides of each vegetable row so as to approach the ground are extended rearward from the lower end portion of each vertical raising device. At this time, the coating material pressing devices on the left and right ends position the rear ends thereof in front of the foliage pinching start position of the nipping and conveying device, and the central coating material pressing device makes the rear portion obliquely rearward and upward to set the rear end. A covering pressing device for a vegetable harvester, wherein the covering pressing device is fixed to a front edge of a foliage lower guide plate. 4. Vegetables of each row vegetated on a ridge by vertical raising devices arranged in three rows in the lateral direction of the machine body and positioned on both left and right sides of each row of vegetables during harvesting. A weeding device that operates to scoop up the foliage, and a two-row foliage that has been weeded by the weeding device is clamped behind the center of the width of the weeding device and conveyed diagonally upward. From the front end of the nipping and conveying device, a nipping and conveying device that simultaneously pulls out the vegetables from the ground, a cutter for vertically separating the roots and foliage of the vegetables that are drawn and conveyed by the nipping and conveying device, A vegetable cutting machine, comprising: a cutting blade body that is positioned at the front and is configured to divide a covering material covered with a ridge at the center of the width thereof; and a harvester that operates so as to harvest vegetables on the ridge by two rows. Covering part covered with ridges on both left and right sides of each vegetable row inside Is extended rearward from the lower end of each vertical elevating device, and the ridge shoulders of the coating material pressing devices on the left and right end sides are extended. In the part closer to the cutting edge, the rear end is located forward of the foliage clamping start position of the nipping and conveying device, while in the one closer to the cutting blade body, the rear end is positioned near the side of the cutting blade body, and A covering material pressing device for a vegetable harvesting machine, characterized in that the covering material pressing device has a rear portion directed obliquely rearward and upward and a rear end positioned near a front portion of the cutter. 5. The coating material for a vegetable harvesting machine according to claim 2, wherein the height of the coating material pressing device at the left and right ends with respect to the vertical raising device can be changed and adjusted. Pressing device. 6. The coating material pressing device is a film guide pressing bar formed of a bar member.
5. The coating material pressing device for a vegetable harvester according to any one of 5. 7. The coating material pressing device is characterized in that a front portion of the coating material pressing device is formed as an upwardly curved arc-shaped portion, and a circular coating material guide is rotatably provided around the horizontal axis in relation to the arc-shaped portion. The covering material pressing device for a vegetable harvester according to any one of claims 1 to 6. . 8. A lowermost portion for holding the covering material close to the ground, a forwardly rising arc-shaped portion continuously formed in front of the lowermost portion, and a lowermost portion continuously behind the lowermost portion. A vegetable extension machine characterized by comprising a lowermost extension portion directed rearward at substantially the same height as the above, and an inclined portion extending obliquely rearward and upward from the lowermost portion or the lowermost extension portion. Coating material pressing device. 9. A lateral branch bar which is directed obliquely rearward downward and laterally from the middle of the length of the main rod member, and then is directed rearward at substantially the same height as the lowermost portion. A coating material pressing device for a vegetable harvester according to claim 8.