JP3669950B2 - Root crop harvesting machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a root crop harvesting machine for harvesting root crops such as onions, carrots, radishes, and garlics that are planted in strawberries.
[0002]
[Prior art]
In the onion harvester which is an example of the root vegetable harvester as described above, for example, as disclosed in Japanese Patent Application Laid-Open No. 2001-28920, it is located on both sides of the root vegetable to be harvested and hung on the straw. There are several leaf stem lifting devices that pull up the leaf stems of the root vegetables protruding from the multi-sheet planting hole by rotating and moving the locking claws. In each of the leaf-stalk-lifting devices, an engaging claw that is formed in a rod shape with an elastically deformable resin material was employed.
[0003]
[Problems to be solved by the invention]
According to the above prior art, when the front end of the locking claw comes into contact with the multi-sheet, the entire locking claw is bent and deformed, and the reaction force acts on the multi-sheet. Therefore, in order to more reliably lift and lift the leaf stems with the locking claws of the leaf stem lifting device, the lower end of the leaf stem lifting device is closer to the multi-sheet. When the tip of the latching claw comes into contact with the multi-sheet at the lower end, the whole of the latching claw is curved more greatly as the lower end of the leaf raising device is closer to the multi-sheet. Since the reaction force acting on the multi-sheet increases and the deformation of the multi-sheet increases due to the reaction force, the front end of the locking claw is easily caught on the multi-sheet, and the multi-sheet caused by the catch It was easy to cause damage.
[0004]
An object of the present invention is to make it possible to more reliably carry out scooping and pulling up of the leaf stem by the locking claw of the leaf stem lifting device without incurring the problem that the multi-sheet is damaged at the tip of the locking claw. is there.
[0005]
[Means for Solving the Problems]
〔Constitution〕
  In order to achieve the above object, in the invention according to claim 1 of the present invention, in a root vegetable harvesting machine for harvesting root vegetables planted in a straw, the root vegetables are located on both sides of the root vegetables to be harvested. Of the root vegetables protruding from the multi-sheet planting holeLeaf stemEquipped with a leaf stem pulling device that pulls up by the vertical movement of the locking claw, and the locking claw is made of an elastically deformable resin material and its tipHas a thin-walled step that is thinner than the base end and the tip shapeA spatula was formed.
[0006]
[Action]
  According to the first aspect of the present invention, the leaf stem lifting device serves as the leaf stem lifting start end portion in order to make the leaf stem lifting and lifting more reliable by the locking claws of the leaf stem lifting device. Even if the lower end is placed closer to the multi-sheet, when the tip of the locking claw comes into contact with the multi-sheet,Has a thin stepped portion that is thinner than the base end, and the tip is shaped like a spatula.The buckling phenomenon easily occurs and only the contact end side part of the tip part is bent and deformed, and the reaction force acting on the multi-sheet is greatly reduced compared to the case where the entire locking claw is bent and deformed. Since the deformation of the multi-sheet due to the reaction force is considerably reduced, it is possible to effectively suppress the possibility that the tip of the locking claw will be caught on the multi-sheet, and to avoid damage to the multi-sheet due to the catch. Become.
[0007]
In addition, in the state where the tip of the locking claw is in contact with the multi-sheet, only the contact end side portion of the tip is bent and deformed, and the portion not in contact with the multi-sheet is not deformed and leaves Since the proper posture that acts favorably on the stem will be maintained, compared to the one in which the entire locking claw is bent and deformed and the posture with respect to the leaf stem changes greatly, Crawling and lifting can be performed reliably and satisfactorily.
[0008]
〔effect〕
Therefore, the leaf stems can be scooped up and pulled up by the retaining claws of the leaf stem lifting device more reliably and satisfactorily without causing a problem that the multi-sheet is damaged by the tip of the retaining claws.
[0009]
〔Constitution〕
  According to a second aspect of the present invention, in the invention according to the first aspect, the tip of the locking clawA wide portion wider than the base end portion is formed.
[0010]
[Action]
According to the second aspect of the present invention, when the front end of the locking claw is bent and deformed, the reaction force of the locking claw acting on the multi-sheet is dispersed over a wide range, and the multi-sheet due to the reaction force Therefore, it is possible to more effectively suppress the possibility that the leading end portion of the locking claw is caught on the multi-sheet, and the breakage of the multi-sheet due to the catch can be more reliably avoided.
[0011]
〔effect〕
Therefore, when the leaf stem is pulled up by the locking claw of the leaf stem lifting device, it is possible to more surely avoid the occurrence of the problem that the multi-sheet is damaged at the tip of the locking claw.
[0012]
〔Constitution〕
  In invention of Claim 3 of this invention, in the invention of the said Claim 1 or 2, the front-end | tip part of the said latching nail | claw,The locking claw stood upIn the posture to raise the stemWhen viewed from the front end side toward the base end side, the central part is higher than the right and left ends.Curved upwardIs formed.
[0013]
[Action]
According to the third aspect of the present invention, it is possible to suppress the possibility that the left and right side edges of the locking claw are caught by the multi-sheet when the distal end portion of the locking claw is bent and deformed. Also, when the tip of the locking claw is separated from the multi-sheet, the leaf claw pulling-up action posture in which the tip of the locking claw is bent from the bent posture in contact with the multi-sheet. It is possible to quickly return to the initial position and to easily hold the stem in the leaf-stalk-lifting posture, so that the leaf-stem can be scooped up and pulled up by the locking claw more reliably and satisfactorily.
[0014]
〔effect〕
Therefore, it is possible to more reliably avoid the damage of the multi-sheet due to the catching of the latching claws, and to more reliably and satisfactorily raise and raise the leaf stems by the latching claws.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Figs. 1 to 18 show a configuration in which an onion harvester, which is an example of a root crop harvester, is changed to a multi-spec, and Figs. 19 to 26 show a configuration in which the onion harvester is changed to an outdoor specification. This onion harvester is basically configured to open field specifications that make the onion W cultivated in the open field ready for harvesting, and by partially modifying the basic configuration, The specification can be changed to a multi-specification that makes the onion W cultivated with straw covered with the multi-sheet F ready for harvesting.
[0016]
First, based on FIGS. 19 to 26, an onion harvester with an open-air specification serving as a basic configuration will be described.
[0017]
This onion harvester is an example of a root vegetable cultivated on a wide flat rice cake as it travels at the front of a traveling machine body A equipped with a three-wheeled and looped steering handle 1. A structure equipped with a harvesting mechanism B that is configured to extract the right two strips of the onion W of the strip in the direction of travel. It is configured to process in a harvestable state.
[0018]
The traveling machine body A includes a pair of left and right driving rear wheels 2 arranged so as to straddle the kite and one idle front wheel 3 arranged so as to move on the right saddle, and is mounted on the rear part of the machine body. 4 is transmitted to the left and right driving rear wheels 2 via the left and right shaft transmission mechanisms 6 and the chain transmission mechanism 7 after being shifted by the transmission 5. The left shaft type transmission mechanism 6 is configured to be extendable and retractable, whereby the position of the left driving rear wheel 2 can be changed to the left and right, so that the rear wheel tread can be changed according to the width of the heel. It is like that. The idle front wheel 3 is configured to function as a gauge wheel that determines the height of the harvesting mechanism B with respect to the ground. The height of the ground of the harvesting mechanism B is adjusted by rotating the hand handle 8 to harvest the idle front wheel 3. It can be adjusted by changing the height position of the mechanism B.
[0019]
The harvesting mechanism B includes a total of three vertically-rotating leaf stem lifting devices 10 located on the left and right sides of the two onions W to be extracted, and a horizontally-turning leaf stem scraping device located behind it. Alignment with the apparatus 11, the nipping / lifting conveyance apparatus 12 positioned behind the apparatus 11, the landslide apparatus 13 positioned near the start end thereof, the alignment apparatus 14 positioned below the nipping / lifting conveyance apparatus 12, and the nipping / lifting conveyance apparatus 12 A leaf cutting cutter 15 positioned between the apparatus 14 and a posture alignment apparatus 16 positioned at the rear of the alignment apparatus 14 are provided.
[0020]
Each leaf-stalk pulling device 10 connects a number of locking claws 23 to a chain 22 that is wound between sprockets provided at the top and bottom of a case 21 and driven in a vertical direction, and the locking claws 23 are moved forward. The leaf stem Wb of the onion W is sowed and lifted by moving it toward the rear and obliquely upward from the vicinity of the ground in a posture that protrudes toward the left and right of each of the two onions W. Deployed to work aside.
[0021]
The driving of each leaf stem lifting device 10 will be described. The PTO shaft 26 to which power transmission is intermittently connected via the PT0 clutch 25 is horizontally mounted on the work power output unit 24 provided at the front portion of the transmission 5. A lateral transmission shaft 28 for driving the leaf stem lifting device is horizontally mounted on the front end of the forward transmission shaft 27 extending forward from the left end of the PTO shaft 26, and the three leaf stems are lifted by the lateral transmission shaft 28. The device 10 is driven.
[0022]
The leaf stem raking device 11 is provided with a number of locking claws 33 connected to a belt 32 that is wound between pulleys provided at the top and bottom of a case 31 and driven in a horizontal direction. It is configured to scrape the leaf stem Wb of the onion W by moving it backward and obliquely upward from the vicinity of the ground in a posture projecting toward the ground, and the pair of left and right belts 32 are engaged with each other. The leaf stems Wb of the two onions W, which are arranged facing each other so that the claws 33 overlap and are pulled up by the leaf stem lifting device 10, are scraped from the left and right at the start ends of both belts 32, and then rearwardly upward. It can be scraped up.
[0023]
That is, the leaf-stalk-raising device 11 scrapes the leaf-stem Wb by the lateral movement of the locking claw 33, so that the locking claw 33 is applied to the leaf-stem Wb facing in the front-rear direction. Even if the leaf stem Wb cannot be pulled up by the leaf stem lifting device 10, the leaf stem Wb is moved forward by the leaf stem lifting device 10, since it will cross and be surely locked. By being corrected to the fallen posture, the leaf stem Wb can be surely given the scraping action by the leaf stem scraping device 11, so that all the leaf stems Wb can be scraped up. It has become.
[0024]
The sandwiching / lifting / conveying device 12 is constructed by opposingly arranging a pair of left and right wide sandwiching belts 34 that are wound between upper and lower pulleys and driven to rotate laterally. Only two onions W leaves and stems Wb are firmly clamped by the right and left clamping belts 34 and moved rearward and upward to pull up the two onions W on the ridge and hang downward and upward. Is configured to do.
[0025]
The left clamping belt 34 in the clamping / lifting / conveying device 12 is driven by the power transmitted from the PTO shaft 26 via the worm reduction mechanism 36 and the chain transmission mechanism 37, and the front end of the left clamping belt 34 is driven. The belt 32 on the left side of the leaf stem lifting device 11 is driven by the power extracted from the shaft, and the nipping / lifting / conveying device is transmitted by the power transmitted via the transmission shaft 38 linked to the middle of the chain transmission mechanism 37. 12 is driven, and the right belt 32 of the leaf stem raking device 11 is driven by the power extracted from the front end of the right clamping belt 34.
[0026]
The alignment device 14 is used in an open field specification, and is configured by opposingly arranging a pair of left and right guide belts 47 that are wound between front and rear pulleys and driven to rotate laterally, and is substantially horizontal in the front-rear direction. is set up. Therefore, the interval between the position aligning device 14 and the nipping / lifting / conveying device 12 above it is larger toward the rear side in the conveying direction, and the leaf stem Wb is nipped by the nipping / lifting / conveying device 12 and conveyed obliquely rearward and upward. The onion W leaf stem Wb is introduced between the left and right guide belts 47, and the onion body Wa to be lifted upward by the pinch-up / conveying device 12 is received by the lower surface of the guide belt 47 and further moved upward. By preventing the onion, the onion body Wa is configured to have a uniform height. Note that the left and right guide belts 47 in the alignment device 14 are respectively driven by power extracted from the rear ends of the left and right belts 32 in the leaf stem raking device 11.
[0027]
The leaf stem clamping force by the left and right clamping belts 34 in the clamping / lifting / conveying device 12 becomes stronger at the front end of the conveyance where the onions W are pulled up from the field, and the height of the onion body Wa is increased in cooperation with the alignment device 14. The leaf stem Wb of the onion W that has been prevented from moving upward by the position aligning device 14 is pulled out relatively downward from the pinching / lifting transport device 12. Yes.
[0028]
The leaf-cutting cutter 15 is also used in open field specifications, and is composed of a single disk cutter mounted at the front end of a pair of chain-type transmission mechanisms 48 and 49 connected to the PTO shaft 26 so as to bend and extend. The position can be adjusted up and down along the linear slide guide mechanism 50. Accordingly, the length of the leaf stem Wb left uncut by the onion body Wa by cutting the leaf stem Wb of the onion W whose height of the onion body Wa is aligned by the position aligning device 14 and adjusting the operation position thereof. The height can be adjusted.
[0029]
The landslide device 13 facilitates the pulling of the onion W from the reed by the sandwiching and lifting and conveying device 12, from the bottom of the reed and from the top of the reed to the bottom of the two onions W on the right side in the aircraft traveling direction. It is constituted by a pair of left and right soil breaking bodies 41 refracted in an L shape in front view so as to enter. Each soil breaking body 41 is pivotally supported at the front portion of the body frame 9 so as to be able to swing back and forth around a fulcrum a, and an extended end above the center and an eccentric crank portion 43 provided at the right end of the PTO shaft 26 are provided. The rod 44 is interlocked and connected by the rod 44, and the rod 44 is pushed and pulled through the eccentric crank portion 43. The soil breaking body 41 swings back and forth around the fulcrum a with a constant small stroke, and the soil below the onion W is moved. By breaking and softening, the onions W that are picked up and pulled by the pinch-and-lift conveying device 12 can be pulled out without difficulty.
[0030]
The posture aligning device 16 is used in the open ground specifications, and is taken out from the guide bar 51 and the guide plate 52 arranged on the terminal end side of the position aligning device 14 with the conveyance path interposed therebetween and from the terminal end of the left guide belt 47. The onion main body Wa, which is formed by a belt 53 with a protrusion that is driven by the motive power, is cut off after the leaf is cut, and the left uncut leaf stem Wb is sandwiched between the left and right guide belts 47 and conveyed backward, The guide bar 51 and the guide plate 52 are configured so as to be corrected to a lateral orientation that can be easily collected and forcibly discharged onto the basket.
[0031]
The onion harvester with an open-surface specification is configured as described above. With respect to the 4 onions W that are cultivated in the open ground in the flat rice field, the two onions W on the right side in the direction of travel are pulled out in one step. The leaves are cut at a predetermined length and left in a sideways posture that is easy to collect on the basket.
[0032]
The onions W that have been cut and left on the basket are collected manually or by a collecting machine.
[0033]
Next, a multi-spec onion harvester will be described with reference to FIGS.
[0034]
In addition, in the multi-spec onion harvester, the same components and parts of the same configuration as the open-terrain onion harvester are denoted by the same reference numerals as those in the open-field spec, and the description is omitted. Only the configuration different from that of the onion harvester will be described.
[0035]
In the multi-spec onion harvesting machine, the harvesting mechanism B includes a right-hand side of the right onion W of the vertical turning type leaf stem pulling device 10 located on the left and right sides of the two onions W to be extracted. The two leaf stem lifting devices 10 are arranged in parallel on the left and right as the leaf stem lifting device 10 located in the left and right, and the four leaf stem lifting devices 10 are installed as a whole. It is driven by a shaft 28.
[0036]
By the way, when covering the reed with the multi-sheet F, the position where the reed hem is covered is naturally the multi-sheet F by placing soil on a position covering the space between the left and right onions among the three onions. As a result, the portion of the sheet that covers the space between the onions is covered with the left and right center onions that are protected against dripping. It sinks more than the part that covers it.
[0037]
Therefore, among each leaf raising device 10, the first leaf raising device 10A acting on the leaf stem Wb that has fallen into a portion covering the space between the onions at the left and right center where the multi-sheet F is prevented from being twisted is the multi-sheet F. The tip of the locking claw 23 is lower than the lower end of each leaf stem lifting device 10 rather than the second leaf stem lifting device 10B that acts on the leaf stem Wb that has fallen into a place that covers the space between the onions on both the left and right sides that are not prevented from dripping. The leaf stem pulling trajectory k drawn by the part is configured to be low.
[0038]
As a result, for the leaf stem Wb that has fallen into the portion covering the center onions on the left and right sides that has been depressed more than the portion covering the left and right onions in the multi-sheet F, the first leaf stem lifting device 10A The left and right sides where the locking claws 23 act in a suitable state in which the lifting from the sinking portion is avoided and are lifted more than the portion that covers the space between the onions at the left and right center in the multi-sheet F. For the leaf stem Wb that has fallen into a location that covers the space between the onions, the locking claw 23 of the second leaf stem lifting device 10B pierces the raised portion and raises the multi-sheet F together with the leaf stem Wb. It operates in a suitable state where generation is avoided.
[0039]
On the other hand, among the respective leaf stem lifting devices 10, the third leaf stem lifting device 10C acting on the leaf stem Wb that has fallen into the shoulder side portion has a lower leaf stem lifting locus k than the first leaf stem lifting device 10A. Further, the fourth leaf stem lifting device 10D acting on the leaf stem Wb that has fallen to the heel hem is configured such that the leaf stem lifting locus k is further lower than the third leaf stem lifting device 10C. Yes.
[0040]
  As a result, for the leaf stem Wb that has fallen into the shoulder side, the locking claw 23 of the third leaf stem lifting device 10C is lifted from the shoulder side or stuck into the seat portion of the shoulder side. Will work in a suitable state that avoids the occurrence of the problem of pulling up the multi-sheet F together with the leaf stem Wb, and collapses to the heelCrowdedThe locking claw 23 of the fourth leaf stem lifting device 10D acts on the leaf stem Wb in a suitable state in which the lift from the heel skirt is avoided.
[0041]
The front end of the third leaf stem lifting device 10C is located in front of and lower than the front ends of the first leaf stem lifting device 10A and the second leaf stem lifting device 10B, and the first leaf stem lifting device 10A and the second leaf stem lifting device 10C. The posture is such that the leaf stem lifting device 10B is tilted more greatly than the leaf stem lifting device 10B. Further, the fourth leaf stem lifting device 10D has a front end positioned forward and lower than the front end of the third leaf stem lifting device 10C. The posture is set so as to be inclined more greatly than the leaf stem lifting device 10C.
[0042]
The locking claw 23 of each leaf and stem lifting device 10 is made of an elastically deformable soft resin material, and its distal end portion 23a has a wide spatula shape and its front view in its leaf and stem lifting action posture is upward. It is formed to have a curved shape. As a result, when the distal end portion 23a of the locking claw 23 comes into contact with the multi-sheet F, the waist folding phenomenon easily occurs at the distal end portion 23a, and only the contact end side portion of the distal end portion 23a is bent and deformed. As a result, the reaction force of the locking claw 23 acting on the multi-sheet F is reduced, and it is dispersed over a wide range. In addition, the right and left side edges of the locking claw 23 can be caught on the multi-sheet F. Therefore, the leaf stem Wb can be securely and satisfactorily raised and pulled up without causing damage to the multi-sheet F due to the catching of the locking claws 23. .
[0043]
The locking claw 23 of the third leaf stem lifting device 10C that acts on the leaf stem Wb that has fallen into the heel shoulder, and the locking claw 23 of the fourth leaf stem lifting device 10D that acts on the leaf stem Wb that has fallen to the bottom of the heel. The tip 23a is inwardly directed toward the inward of the heel, and the locking claw 23 of the fourth leaf stem lifting device 10D is more inward than the locking claw 23 of the third leaf stem lifting device 10C. It is formed so that the inward angle toward the direction increases. As a result, the leaf stem Wb that has fallen down along the direction of travel at the shoulder side or the foot skirt where the leaf stem lifting device 11 does not act can be lifted up and pulled up reliably and well. ing.
[0044]
In short, from the above configuration, the leaf stem Wb that has fallen in various states along the shape of the cocoon can be lifted up and pulled up reliably by the corresponding leaf stem lifting device 10 without causing damage to the multi-sheet F. Thus, the onion W using the leaf stem Wb can be easily pulled up from the cocoon in the multi-sheet F and the leaf stem Wb can be cut easily and reliably.
[0045]
A multi-leaf cutting device 60 that cuts the leaf stem Wb of the onion W that has started to be nipped and conveyed by the nipping / lifting conveyance device 12 is disposed below the starting end portion of the nipping / lifting conveyance device 12. This multi-leaf cutting device 60 is rotated in the form of left and right discs by the power transmitted via the chain transmission mechanism 61 from the front pulley 39 around which the left and right guide belts 47 constituting the alignment device 14 are wound. The blades 62 are configured to be rotated inward with respect to each other.
[0046]
Below each rotary blade 62, a rubber scraping rotary body 63 that rotates integrally with the corresponding rotary blade 62 is provided. A plurality of (six in the figure) scraping protrusions 64 project from the outer peripheral surface of each scraping rotating body 63 at a large pitch, and the left and right stems Wb of the onion W introduced into the leaf cutting device 60 are left and right. And the rear blades 62 are fed into the cutting portions of the left and right rotary blades 62 by being latched and scraped backward. Here, the rotary blade 62 is driven to increase in speed by transmission through the chain transmission mechanism 61, and the scraping rotary body 63 is also driven to rotate at high speed. From this configuration, the peripheral speed of the scraping rotator 63, that is, the backward transport speed by the scraping rotator 63, is faster than the backward transport speed by the nipping / lifting transport device 12 and the alignment device 14. It is set.
[0047]
The multi-leaf cutting device 60 is configured to be easily attached to and detached from the machine body. The structure will be described. The left and right transmission cases 70 in the chain-type transmission mechanism 61 for driving the rotary blade are integrally connected by a frame plate 71, and the rear of a connecting arm 72 extending rearward from the left and right ends of the frame plate 71. The end bent portions 72a are locked from the front to the concave portions 73a of the connection fitting 73 provided on the left and right of the body frame 9, and the connection portions 74 raised from the left and right of the frame plate 71 are bolted to the body frame 9. It is like that. A transmission plate 76 is provided at the upper end of the input shaft 75 protruding upward from each transmission case 70, and a lower surface of the front pulley 39 in the alignment device 14 is engaged with a transmission hole 77 formed in the transmission plate 76. A pair of transmission pins 78 to be coupled project, and the multi-leaf cutting device 60 is connected to the machine body frame 9 via the connecting arm 72 and the connecting portion 74, whereby the front pulley 39 and the input shaft 75 are connected. The entire multileaf cutting device 60 can be easily removed by linking the pins and releasing the bolt connection of the connecting portion 74 and detaching the connecting arm 72 from the connecting fitting 73. In addition, by providing the handle 79 on the left and right of the frame plate 71, the multi-leaf cutting device 60 can be easily attached and detached.
[0048]
A guide mechanism 80 for preventing the onion body Wa pulled out from the planting hole h of the multi-sheet F from being cut by the rotary blade 62 is provided at the lower part of the multi-leaf cutting device 60. This guide mechanism 80 is configured by arranging three guide rods 81 whose free ends are bent upward in front of the cutting portions of the left and right rotary blades 62 in parallel on the left and right sides. When the onion body Wa of the onion W sandwiched between the leaf stems Wb is pulled out from the planting hole h of the multi-sheet F and approaches the cutting site of the multi-leaf cutting device 60, the onion body Wa is moved upward by the guide bar 81. It is guided and rides on the nipping / lifting / conveying device 12 and is then conveyed rearward and upward as it is. A guide bar 84 that guides the leaf stem Wb to the cutting site is arranged and fixed in a front-expanding manner on the left and right outer sides of the guide bar 81 group.
[0049]
Of the three guide rods 81, the left and right guide rods 81 extend in a cantilevered manner from a support plate 83 attached to the rear portion of the frame plate 71 so that the front and rear positions can be adjusted. The guide rods 81 are supported over the upper and lower guide rods 81 and extend upward from the left and right guide rods 81. As described above, even when the onion W holding the leaf stem Wb by the holding / lifting / conveying device 12 is pulled up together with the multi-sheet F, the guide mechanism 80 is arranged below the rotary blade 62. The guide bar 81 receives the upper surface of the multi-sheet F and prevents further upward movement, so that the onion main body Wa and the multi-sheet F can be prevented from coming into contact with the rotary blade 62. In addition, by adjusting the position of the support plate 83 back and forth, the entire guide bar 81 can be adjusted back and forth with respect to the cutting site, so that depending on the field conditions and the onion W growth state, etc. The optimum guide position can be set and used.
[0050]
As described above, by attaching the guide mechanism 80 to the multi-leaf cutting device 60 configured to be removable as described above, the multi-leaf cutting device 60 and the guide mechanism 80 can be integrally detached. It can be handled.
[0051]
  The landslide device 13 cuts the soil around the onion body Wa left on the reed so that it can be easily pulled up and collected later, from the bottom of the reed to the lower part of the right two onions W. L-shaped in front view to enterRefractedThe ground breaking body 41 and an auxiliary tool 42 for turning up the sheet that rushes near the bottom of the heel slightly outside the position just before the ground breaking body 41, and the ground breaking body 41 is located at the front of the body frame 9. It is pivotally supported around the fulcrum a so that it can swing back and forth, and its upper extension end and an eccentric crank portion 43 provided at the right end of the PTO shaft 26 are interlocked and connected by a rod 44, via the eccentric crank portion 43. The rod 44 is driven to push and pull, and the soil breaking body 41 swings back and forth around the fulcrum a with a constant small stroke, and the soil below the onion W is crushed and swelled and softened, so that the onion W can be removed without difficulty. Can be raised.
[0052]
The auxiliary tool 42 for turning up the seat is pivotally supported around the fulcrum b so as to be able to swing back and forth, and is linked to the soil breaking body 41 via the linkage rod 45 and is synchronized with the rocking motion of the soil breaking body 41 back and forth. Then, it is driven to swing back and forth, and by moving forward while cutting near the bottom of the heel, the rush resistance of the subsequent soil breaking body 41 into the soil is reduced and it is hung on the heel. The right side hem of the multi-seat F is pushed up a little to move forward. In this way, by turning the right side hem of the multi-sheet F freely with the sheet-turning auxiliary tool 42 so that the sheet can be easily turned up, the multi-sheet F can be turned up by the subsequent soil cutting body 41. It will be performed smoothly without difficulty. Further, from the auxiliary tool 42 for turning up the sheet, the hem of the multi-sheet F scooped up by the auxiliary tool 42 is guided to the ground breaking body 41, and the multi-sheet F is hooked on the ground breaking body 41. A sheet guide 46 to be avoided is extended.
[0053]
After the aircraft passes while cutting leaves in this way, the short leaf stem Wb left uncut protrudes from the planting hole h of the multi-sheet F, and the multi-sheet F is obstructed by the leaf stem Wb. It can be turned up easily. Then, when the multi-sheet F is turned off, the onion bodies Wa that have been cut into short leaves are lined up in a state of being lifted on the bowl, and this may be recovered.
[0054]
The multi-spec onion harvesting machine is configured as described above. With respect to the four onions W cultivated on the flat straw covered with the multi-sheet F, the two on the right side in the direction of travel in the forward direction. The cutting of the leaf stem Wb in the onion W and the lifting of the onion main body Wa are performed, and the reciprocating movement completes the cutting of the leaf stem Wb and the lifting of the onion main body Wa in all the four onions W After that, the multi-sheet F is removed by winding or turning up to expose the cocoon, and the onion W left in a state of being cut on the cocoon is manually or They are collected with a collection machine.
[0055]
By the way, at the lower end portion of the first leaflet lifting device 10A, a grounding wheel 55 that rolls on the multi-sheet F and detects a change in seat height with respect to the first leaflet lifting device 10A is provided on the swing arm 56. A support guide tool 57 that is mounted so as to be vertically displaceable with respect to the first leaflet lifting device 10A via the upper end and that has an upper end portion mounted on the upper portion of the first leaflet lifting device 10A upward from the swing arm 56. And whether or not the locking claw 23 of each leaf stem lifting device 10 is positioned at an appropriate height position with respect to the multi-sheet F due to the displacement of the mark 58 marked on the upper end of the support guide 57. A marking rod 59 for facilitating visual confirmation from the steering position is extended, and the harvesting mechanism for the free front wheel 3 is operated by rotating the hand handle 8 based on the displacement of the mark 58 relative to the support guide 57. B height By changing the location, so that it can be easily positioned in the proper vertical position the locking claw 23 of each leaf stalk pulling device 10 for multi-seat F.
[Brief description of the drawings]
[Fig. 1] Overall side view of a multi-species root crop harvester
[Figure 2] Overall plan view of a multi-species root vegetable harvester
[Fig.3] Overall front view of multi-species root crop harvester
Fig. 4 Side view of multi-spec harvesting mechanism
FIG. 5 is a plan view showing a front portion of a multi-spec harvesting mechanism.
FIG. 6 is a front view showing a part of a multi-spec harvesting mechanism.
[Fig. 7](I)The top view which shows the shape of the latching nail | claw in the 1st and 2nd leaf stem raising apparatus of a multi specification
  (B) Central sectional view showing the shape of the locking claw in the multi-spec first and second leaf stem pulling devices
FIG. 8 is a plan view showing the shape of a locking claw in a multi-specific third leaf stem lifting device;
FIG. 9 is a plan view showing the shape of a locking claw in a multi-spec fourth leaf and stem lifting device;
FIG. 10 is a front view showing the shape of the front end of the locking claw in each multi-spec leaflet lifting device;
FIG. 11 is a side view of a multi-specific landslide device.
FIG. 12 is a side view of an essential part showing a multi-sheet contact state of a locking claw
[Fig. 13] Transmission system diagram with multiple specifications
FIG. 14 is a plan view of a multi-leaf cutting device.
FIG. 15 is a front view of a multi-leaf cutting device.
FIG. 16A is a side view showing a mounting state of a multi-leaf cutting apparatus. FIG. 16B is a side view showing a mounting state of the multi-leaf cutting apparatus.
FIG. 17 is a side view showing a transmission structure of a multi-leaf cutting device.
FIG. 18 is a side view showing the function of the guide mechanism.
[Fig. 19] Overall side view of an open-season root crop harvester
[Fig. 20] Overall plan view of a root crop harvester with outdoor specifications
[Fig.21] Front view of an open-season root crop harvester
[Figure 22] Side view of the harvesting mechanism for outdoor specifications
FIG. 23 is a plan view showing the front part of an open-field harvesting mechanism.
FIG. 24 is a front view showing a part of a harvesting mechanism of an outdoor specification.
[Fig.25] Side view of a land crushing device with open-air specifications
[Fig. 26] Transmission system diagram with open-air specifications
[Explanation of symbols]
10 Leaf and stem lifting device
23 Claw
23a Tip
F Multi sheet
W root vegetables
Wb leaf stem
h Planting hole

Claims (3)

A root crop harvesting machine that harvests root crops made on the cocoon,
Equipped with a leaf stem lifting device that is located on both sides of the root vegetable to be harvested, and that pulls up the leaf stem of the root vegetable protruding from the planting hole of the multi-sheet hung on the basket by moving the locking claw vertically. A root crop harvesting machine in which the engaging claw is made of an elastically deformable resin material, and the distal end portion thereof is provided with a thin stepped portion that is thinner than the proximal end portion , and the distal end portion is formed in a spatula shape. The root crop harvesting machine according to claim 1, wherein a wide portion wider than a base end portion is formed at a distal end portion of the locking claw. When the front end of the engaging claw is viewed from the distal end side to the proximal end side in the leaf stem lifting action posture where the engaging claw stands up, the front view is an upward curved shape in which the central portion is higher than the left and right ends. The root vegetable harvesting machine according to claim 1 or 2, wherein the root vegetable harvesting machine is formed as described above.

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