JP2001045821A - Harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a harvester capable of pushing up a conveying surface on the side of the traveling direction and dropping the pushed up conveying surface rapidly to surely shake off soil from the conveying surface by the strong shake of the conveying surface. SOLUTION: This harvester has a conveyer 6 having a crop-digging up body 3, and an endless circulating body 5 for conveying the crop dug up by the crop-digging up body 3 while shaking off the soil by a conveying surface 4 side of the traveling direction and a conveying surface-shaking means 7 for shaking the conveying surface 4 side of the traveling direction. The conveying surface-shaking means 7 has a fulcrum shaft 37 fixed at the lower position of the conveying surface 4 side of the traveling direction a shaking arm 39 pivotally supported by the fulcrum shaft 37 so that the tip side 38 may contact with the back surface 4a of the conveying surface 4 and may be shaken upper and lower, and a driven rotary body 41 pivotally supported so that the periphery surface 40 thereof may contact with the back surface 32a of the not-conveying surface of the endless circulating body 5 side of the traveling direction so as to be rotated, and having a protruded part 54 for pushing and moving, capable of shaking the tip side 38 of the shaking arm 39 caused by the movement of the not-conveying surface 32 on the side of return direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a harvester for harvesting agricultural products such as potatoes, sweet potatoes and carrots.

[0002]

2. Description of the Related Art Conventionally, as a harvester of this type, for example, a configuration described in Japanese Utility Model Laid-Open No. 1-11311 is known. The configuration described in this publication includes an agricultural excavating body for excavating agricultural products, and a conveyor having an endless revolving body that conveys the agricultural products excavated by the agricultural excavating body on an outbound-side transport surface while sifting soil. A drive means provided with an eccentric roller for abutting the peripheral surface on the back surface of the forward-side transport surface of the endless revolving body of the conveyor to vibrate the forward-side transport surface, and providing the eccentric roller separately from the conveyor Eccentric rotation drive.

[0003]

In the configuration described in the above-mentioned publication, the outer surface of the eccentric roller that is eccentrically rotated, that is, the portion of the outer surface of the eccentric roller having a small radius and the portion of a large radius, has a forward-side transport surface. Vibrating up and down gradually, the vibration of the forward side transport surface is gentle, it is difficult to separate the soil from the agricultural products on this forward side transport surface, the soil volume is large, and the soil causes a bridge phenomenon on the forward side transport surface. When the soil is hard to break, when the soil is damp, it is difficult to separate the soil.Therefore, the soil cannot be reliably sifted off the forward side transport surface, and the eccentric roller is driven to rotate. There is a problem that the configuration is complicated because of the need for the means.

The present invention has been made in view of such a point, and pushes up the forward-side transport surface, rapidly drops the forward-side transport surface from the pushed-up position, and causes strong forward vibration of the forward-side transport surface. In this, the soil can be separated from the agricultural products on the outbound transportation surface, and when the soil has a large amount of soil and causes a bridging phenomenon on the outbound transportation surface, the soil can be broken down.
It is an object of the present invention to provide a harvester that can separate soil when the soil is wet, and thus can reliably remove the soil from the forward-side transport surface.

[0005]

According to a first aspect of the present invention, there is provided a harvester for digging an agricultural product, and sifting the soil of the agricultural product digged by the agricultural product on a forward transportation surface while sifting soil. A conveyor having an endless revolving body for conveying,
Transport surface vibrating means for vibrating the forward-side transport surface of the endless revolving body of the conveyor, wherein the transport surface vibrator is in a state in which the leading end of the transport surface vibrator contacts the back surface of the forward-side transport surface. A vibrating arm which is provided so as to be capable of vibrating up and down and has a longitudinal direction in the moving direction of the forward-side transport surface, and is rotatable in a state where the peripheral surface is in contact with the back surface of the return-side non-transport surface of the endless revolving body. A driving rotator rotating by receiving a driving force from the moving return-side non-transport surface, and an end of the oscillating arm which intermittently pushes the vibrating arm in accordance with the rotation of the driving rotator. And a pushing body for vibrating the side up and down.

[0006] Then, the agricultural products are sequentially excavated by the agricultural excavating body, and the agricultural products are sequentially loaded from the agricultural excavating body onto the forward side transport surface of the endless revolving body of the conveyor.
Agricultural products are successively conveyed toward the unloading section while sifting the soil on the forward side conveying surface.

Further, by the movement of the return-side non-transport surface of the endless revolving body, the driving rotary body whose peripheral surface is in contact with the back surface of the return-side non-transport surface is rotationally driven on the back surface of the return-side non-transport surface. The pushing body rotates together with the driving rotator, and the vibrating arm is pushed by the pushing body, and this vibrating arm rotates around the fulcrum shaft toward the back surface of the forward-side transport surface.

[0008] Then, in a state where the distal end side of the vibrating arm is in contact with the back surface of the forward-side transport surface, the forward-side transport surface is pushed up by the distal end side of the vibrating arm.

At this time, since the vibrating arm has a longitudinal direction in the moving direction of the forward transfer surface, the vibrating arm is pushed up and oscillated about the fulcrum axis by rotation of the pushing body by the rotation of the pushing body. The forward-side transport surface is gradually pushed up at the distal end of the arm, so that the agricultural products on the forward-side transport surface are prevented from rolling down toward the agricultural excavating body or being damaged.

Further, when the driving rotary body is further rotated and the pushing of the swing arm by the pushing body is released, the forward conveying surface is suddenly moved from the pushing position pushed up at the tip end side of the vibrating arm. When the soil is separated from the agricultural products on the forward-side transport surface due to the strong vibrations that fall and fall on the forward-side transport surface, and the soil is bridging on the outward-side transport surface when the amount of soil is large, When the soil is broken and the soil is wet, the soil is separated.

Therefore, the vibrating arm is strong with a large amplitude up and down around the fulcrum axis by a pushing body that rotates in accordance with the rotation of the driving rotating body that is driven to rotate by the movement of the endless revolving body on the return path non-conveying surface. By vibrating, the vibrating arm ensures that the soil is sieved from the forward-side transport surface. Then, the agricultural products are sequentially conveyed toward the unloading section on the outbound path side conveyance surface.

According to a second aspect of the present invention, there is provided the harvester according to the first aspect, wherein the pushing body is provided on the driving rotary body so that the distance from the rotation center of the driving rotary body can be adjusted. That is the part.

By adjusting the distance of the pushing protrusion from the center of rotation of the driving rotating body, the head of the vibrating arm can be surely adjusted according to the state of the soil or the like.

According to a third aspect of the present invention, there is provided the harvester according to the first or second aspect, wherein the vibrating arm is formed to protrude downward from the back side of the vibrating arm and is pushed by the pushing body. It has a pushing projection.

Then, the pushing body pushes the pushed projection, so that the forward-side transport surface is pushed up, and the vibrating arm suddenly falls from the pushed-up position pushed up at the tip side.

According to the fourth aspect of the present invention, there is provided the harvester according to the first to third aspects.
In the harvester according to any one of the above, the transfer surface vibrating means has a support arm that pivotally supports the distal end side vertically about a fulcrum axis, and the driving rotating body is rotatably supported by the support arm. It is attached to a supported spindle.

The lower part of the peripheral surface of the drive rotator is moved by the support arm which moves up and down about the fulcrum shaft and the drive rotator attached to the support shaft of the support arm. Abuts against the back of the surface.

According to a fifth aspect of the present invention, there is provided the harvester according to the fourth aspect, wherein the support arm has a stopper for supporting the vibration arm at a tip end side of the support arm.

Further, the vibrating arm, which has been released from the pushing of the vibrating arm and has been rotated downward, can be reliably supported by the stopper at the tip side of the supporting arm, and the supporting arm which moves up and down around the fulcrum axis and the supporting arm Due to the weight of the vibrating arm supported by the stopper and the drive rotator attached to the support shaft of the support arm, the lower part of the peripheral surface of the drive rotator is strongly pressed against the back surface of the return-side non-transport surface of the endless revolving body. Abutted condition.

[0020] The harvesting machine according to claim 6 is characterized in that:
In the harvester according to any one of the above, the transport surface vibrating means is provided on each of both ends in a direction intersecting with the transport direction of the conveyor.

Then, the forward-side transport surface of the endless revolving body of the conveyor can be appropriately vibrated by the transport-surface vibrating means at both ends in a direction intersecting the transport direction of the conveyor, so that the forward-side transport surface can be reliably moved. It is possible to sift the soil to

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

1 and 2, reference numeral 1 denotes a harvester. The harvester 1 includes a machine body 2, an agricultural excavation body 3 for excavating agricultural products, and an agricultural product excavated by the agricultural excavation body 3. A conveyor 6 having an endless revolving body 5 that conveys the soil on the outward transport surface 4 while sifting the soil, and transport surface vibrating means 7 for vibrating the outward transport surface 4 of the endless revolving body 5 of the conveyor 6. Further, a ground contact body 8 and agricultural product guiding means 9 for guiding agricultural products carried out from the forward side transport surface 4 of the conveyor 6 onto the surface of the ridges dug by the agricultural product excavating body 3 are provided. are doing.

The machine body 2 has a pipe-shaped main frame 10 having a longitudinal direction in the left-right direction with respect to the traveling direction of the harvester 1. Side plate 1 that also serves as a conveyor frame with a direction
1 and 11 are fixed relative to each other. In addition, lower arms 12 are fixed to both sides of the main frame 10 so as to project forward and downward, respectively.
Lower pins 13 are fixed to the distal ends of the respective 12.

A top arm 14 is fixed to an intermediate portion of the main frame 10 so as to protrude forward and upward,
A connecting pin 15 is removably inserted into the tip of the top arm 14. The lower pin 13 of the lower arm 12 on both sides and the connecting pin 15 of the top arm 14 connect the harvester 1 to the three-point connecting mechanism of the tractor.

Further, a mission device 16 is fixed to a lower middle portion of the main frame 10.
A transmission case 17 is fixed to the middle lower portion of the main frame 10, and an input shaft 18 is rotatably provided on the transmission case 17 with a front end portion protruding forward. A bevel gear 19 is fixed to an end.

An inner end of an output shaft 21 rotatably supported in the transmission pipe 20 is projected from the transmission case 17, and a bevel gear 22 meshed with the bevel gear 19 is formed on the inner end of the output shaft 21. Has been fixed. The transmission pipe 20
Is the lower arm 12 on one side in parallel with the main frame 10.
The outer end of the output shaft 21, which is fixed by the rear end and the one side plate 11 and is rotatably supported in the transmission case 20, extends outward from the one side plate 11. It is protruding. Reference numeral 23 denotes a cover for the input shaft 18.

Next, the agricultural product excavating body 3 is formed by a excavating blade 24 having a longitudinal direction in the left-right direction with respect to the traveling direction of the harvester 1. The digging blade 24 has support pieces 25 fixed to both ends, respectively.
Are fixed to the front lower end of the side plate 11 fixed to both ends of the main frame 10 with the digging blade 24 inclined forward and downward.

Then, the agricultural product excavated by the agricultural product excavated body 3, that is, the excavated blade 24, is carried from the excavated blade 24 to the forward side transport surface 4 of the endless revolving body 5 of the conveyor 6. It has become.

Next, the conveyor 6 is shown in FIGS.
As shown in the figure, a driven wheel rotatably supported by a support shaft 26 at a front lower end portion of the side plate 11 fixed to both ends of the main frame 10 located behind the excavating blade 24. 27
A drive shaft 29 fixed to both ends of the driven wheel 27 opposite to the driven wheel 27 and rotatably supported at the upper rear end side of the side plate 11, the driven wheel 27 and the drive wheel 28 And the endless revolving body 5 hung between them.

As shown in FIG. 2, the endless revolving body 5 is disposed opposite to both ends so as to be hung between the front and rear driven wheels 27 and the driving wheels 28, respectively. The endless belts 30 are connected to each other, and the transport rods 31 are rotatably mounted side by side on the endless belts 30 so as to be rotatable at intervals so as to convey agricultural products and to remove soil.

A gap for sieving only the soil is formed between the folded portion of the endless revolving body 5 folded by the driven wheel 27 and the rear end of the excavating blade 24. And
The agricultural product is carried into the forward-side transport surface 4 of the endless revolving body 5 from the excavating blade 24.

Further, in the endless revolving body 5, the side of the endless revolving body 5 which is turned by the driven wheel 27 between the driven wheel 27 and the drive wheel 28 and moves toward the drive wheel 28 is the forward side transport surface. In 4, the side that is turned back by the drive wheel 28 and moves toward the driven wheel 27 between the driven wheel 27 and the drive wheel 28 is a return-side non-transport surface 32.

Next, a transmission case 33 having a longitudinal direction in the front-rear direction is fixed to the one side plate 11, and the outer end of the output shaft 21 is rotatably projected into the front end of the transmission case 33. A pulley 34 is fixed to the outer end of the output shaft 21.

The outer end of the drive shaft 29 of the conveyor 6 is rotatably projected into the rear end of the transmission case 33,
A pulley 35 is fixed to the outer end of the drive shaft 29, and an endless belt 36 is looped between the pulley 35 and the pulley 34. Then, by the rotation of the output shaft 21, the drive shaft 29 is rotationally driven via the pulleys 34 and 35 and the endless belt 36,
The endless revolving body 5 is reciprocated by the drive shaft 29.

Next, as shown in FIG. 2, the conveying surface vibrating means 7 intersects both ends of the forward conveying surface 4 of the endless revolving body 5 of the conveyor 6, that is, the conveying direction of the conveyor 6. It is provided at both ends in the direction.

Each of the transfer surface vibrating means 7 provided on both ends of the forward transfer surface 4 is fixed below the forward transfer surface 4 as shown in FIGS. Fulcrum shaft 37 and the fulcrum shaft 37, the front end side 38 of which is in contact with the back surface 4 a of the forward-side transport surface 4 with the fulcrum shaft 37 as the center, is supported so as to be able to vibrate up and down, and the forward-side transport surface 4 A vibrating arm 39 having a longitudinal direction in the moving direction of the endless revolving body 5 and a peripheral surface 40 abutting against the back surface 32a of the return-side non-transport surface 32 of the endless revolving body 5 are rotatably supported and rotatably supported. A driving rotator 41 that receives a driving force from the non-conveying surface 32 to rotate by driving; and the vibrating arm 39 intermittently protrudes from the driving rotator 41 in accordance with the rotation of the driving rotator 41. A pushing protrusion 54 as a pushing body that pushes and vibrates the distal end side of the vibrating arm 39 up and down; The fulcrum shaft 37 is
It has a support arm 43 that pivotally supports a distal end side 42 about the 37 so as to be vertically movable.

The fulcrum shaft 37 is fixed to the side plate 11 below the forward-side transport surface 4 and fixed to the side plate 11 and has an axial direction in the left-right direction with respect to the traveling direction of the harvester 1. It is formed at 44.

The vibrating arm 39 has a shaft support 45 at the base end of the vibrating arm 39 rotatably fitted to the fulcrum shaft 37. Further, the vibrating arm 39 has an arc-shaped contact surface 46 at the distal end side 38 of the vibrating arm 39, which is in contact with the back surface 4a of the forward transfer surface 4, and the contact surface 46 is provided on the forward transfer surface 4. The surface 4 is formed of a sliding surface having a small coefficient of friction with the back surface 4a. Further, the vibrating arm 39 has a pushed projection 50 which is formed to project downward from the back side of the oscillation arm 39 and is pushed by the pushing projection 54 of the driving rotating body 41. I have.

The support arm 43 has a longitudinal direction in the moving direction of the forward-side transport surface 4.
A shaft support 47 rotatably fitted to the fulcrum shaft 37 at the base end of the shaft support 47
The vibrating arm is provided on the tip side 42 of the support arm 43.
It has a stopper 48 for supporting 39. The stopper 48 protrudes from a stopper support protrusion 49 fixed to a side surface of the distal end side 42 of the support arm 43.

The support arm 43 has a bearing 51 such as a bearing on the distal end side 42 of the support arm 43, and the bearing 51 moves the axial direction in the left-right direction with respect to the traveling direction of the harvester 1. The supporting shaft 52 is rotatably supported. The support shaft 52 is shared by the drive rotating bodies 41 of the two transfer surface vibrating means 7 provided on both ends of the forward transfer surface 4.

Further, the drive rotating body 41 is rotatably supported by the support shaft 52 in a state where the lower surface portion of the peripheral surface 40 is in contact with the back surface 32a of the return-side non-transport surface 32. Body 41
Is formed of a disk-shaped body 53 that rotates integrally with the support shaft 52.

A pushing protrusion 54 for pushing and vibrating the vibrating arm 39 is provided on one side surface of the driving rotator 41. Then, by the rotation of the driving rotator 41, the pushing boss 50 provided on the driving rotator 41 pushes the pushed boss 50, and the vibrating arm 39 which projects the pushed boss 50. Is vibrated up and down about the fulcrum shaft 37.

The pushing projection 54 is moved from a predetermined position for pushing the pushed projection 50 to the side surface of the disk-shaped body 53 of the driving rotator 41 toward the back side of the vibrating arm 39. The protruding push shaft 55 is formed. In addition, the driving rotating body
The peripheral surface 40 of the disc-shaped body 53 of 41 is the back surface of the non-transport surface 32 on the return path side.
It is formed of a contact surface having a large coefficient of friction with 32a.

Next, as shown in FIGS. 1 and 2, the grounding body 8 is formed by a sled body 56 having a longitudinal direction in the traveling direction of the harvester 1. The front ends of the sled bodies 56 are rotatably attached to the lower ends of the side plates 11, respectively, and the lower ends of the columns 57 are rotatably supported on the rear ends of the sled bodies 56, respectively. The upper portion of the column 57 is inserted into a holder 58 fixed to the side plates 11 so as to be vertically adjustable, and a predetermined position of the column 57 is supported by the holder 58 by a connecting pin (not shown).

Next, as shown in FIGS. 1 and 2, the agricultural product guiding means 9 is provided so as to face the unloading section of the conveyor 6, and extracts agricultural products unloaded from the unloading section of the conveyor 6. A first guide body 59 for guiding on the surface of the rear ridge, and a plurality of agricultural products which are provided below both ends of the first guide body 59 and which have been dropped by the first guide body 59 after being dug out. It has a second guide body 60 that guards on the ridge groove side and scatters on the surface of the ridge, and a link mechanism 61 that supports the second guide body 60 so as to be vertically movable.

The first guide body 59 is a guide frame provided with a mounting arm 62 fixed to the rear end of the side plate 11.
63 and a sorting frame provided at a lower intermediate portion of the guide frame 63.
64. Further, the guide frame 63 includes opposed side plate portions 65 that are splayed and inclined forward, and these side plate portions 65.
A rear side plate portion 66 formed at the rear end portion forms a substantially U-shape in plan view.

Further, guide pieces 67 inclined toward the distribution frame 64 are formed at the lower end of the opposed side plate 65, and the rear plate 66 has the lower end inclined forward and downward. It is formed in a state. Further, the distribution frame 64 is fixed to a lower end of an intermediate portion of the rear plate portion 66.

The sorting frame 64 is formed by a frame 69 fixed horizontally at the lower end of the intermediate portion of the rear side plate portion 66 and having a longitudinal direction in the traveling direction of the harvester 1. Frame 69
Each has a distribution plate portion 70 that is inclined downward toward the guide piece 67 on both sides.

Further, the second guide body 60 includes a plurality of guide bars 71 which are arranged at predetermined intervals in the vertical direction and have a longitudinal direction in the traveling direction of the harvester 1, and a plurality of the guide bars 71. And a movable support 72 having a fixed base end. The plurality of guide bars 71 are each formed of a round bar. The movable support 72 is formed of a rectangular plate.

The link mechanism 61 is connected to the grounding body 8.
One end is rotatably supported by a support shaft 74 above and below a fixed support 73 fixed to a support 57 supporting the sled body 56, and the other end is supported by the movable support 72 at a support shaft 75. It is formed of upper and lower parallel links 76 which are rotatably supported up and down.

Next, the operation of the above embodiment will be described.

The lower pin 13 of the lower arm 12 and the connecting pin 15 of the top arm 14 on both sides of the harvester 1 are connected to the three-point connecting portion of the tractor, respectively, and the transmission of the harvester 1 is connected to the PTO shaft of the tractor via a power transmission shaft. The input shaft 18 of the device 16 is connected. Also, if necessary, the sled bodies 56 on both sides of the harvester 1 may be used.
Digging body 3 that moves up and down to dig agricultural products
Adjust the digging depth of the.

Further, when the harvester 1 is towed by the tractor and is advanced, and the input shaft 18 of the transmission device 16 is rotated by the PTO shaft of the tractor via the power transmission shaft, the input shaft is
At 18, the output shaft 21 is rotated via bevel gears 19 and 22,
By the rotation of the output shaft 21, the drive shaft 29 of the conveyor 6 is rotationally driven via the pulleys 34 and 35 and the endless belt 36, and the endless revolving body 5 of the conveyor 6 is rotated by the drive shaft 29. The forward-side transport surface 4 of the revolving body 5 is moved rearward with respect to the traveling direction of the harvester 1.

Agricultural products such as potatoes are sequentially dug by the excavating blades 24 of the agricultural excavating body 3, and from the excavating blades 24, are placed on the forward side transport surface 4 of the endless circulating body 5 of the conveyor 6. Agricultural products are sequentially carried in, and the agricultural products are sequentially conveyed toward the carry-out section by sifting the soil from between the respective transport rods 31 on the respective transport rods 31 of the forward-side transport surface 4.

The movement of the return-side non-transport surface 32 of the endless revolving body 5 causes the peripheral surface 40 a
The disc-shaped body 53, which is the driving rotary body 41, against which the disc is pressed against the back surface 32a of the non-conveying surface 32 on the return path side, is driven to rotate, and the pushing protrusion 54 of the disc-shaped body 53 is covered by the vibrating arm 39. The disc-shaped body 53 comes into contact with the pushing protrusion 50 and is pushed by the pushing protrusion 54 of the disc-shaped body 53.
The vibrating arm 39 is pushed through the oscillating arm 39, and the vibrating arm 39
It is turned toward 4a.

Then, in a state where the distal end side 38 of the vibrating arm 39 is in contact with the back surface 4a of the forward side transport surface 4,
The forward-side transport surface 4 is pushed up at the distal end side 38 of 39.

At this time, the vibrating arm 39 is moved to the forward side transport surface 4.
Having a longitudinal direction in the direction of movement of the disc 53
With the rotational movement of the pushing protrusion 54, the fulcrum shaft 37 is
The vibrating arm 39 is pushed up and rotated around the center, and the forward side transport surface 4 is gradually pushed up at the distal end side 38 of the vibrating arm 39, and the agricultural products on the forward side transport surface 4 are removed from the agricultural excavation body 3.
It is prevented from rolling down to the side and damaging the produce.

The contact surface 46 on the distal end side 38 of the vibrating arm 39 is formed as a sliding surface having a small coefficient of friction with the back surface 4a of the forward transfer surface 4, so that the contact surface 46 is provided. Even when the forward-side transport surface 4 is pushed up, the frictional resistance between the contact surface 46 and the rear surface 4a of the forward-side transport surface 4 is small, and the reverse surface 4a slides on the contact surface 46 to move the forward-side transport surface. 4 is moved smoothly.

The peripheral surface 40 of the disk-shaped body 53 of the driving rotary body 41
Is formed as a contact surface having a large friction coefficient with the back surface 32a of the return-side non-transport surface 32, so that the friction between the peripheral surface 40 of the disc-shaped body 53 and the back surface 32a of the return-side non-transport surface 32 Due to the resistance, the driving force is appropriately transmitted from the moving backward non-transport surface 32 to the disc-shaped body 53, and the movement of the backward travel non-transport surface 32 causes the disc-shaped body 53 is reliably driven to rotate.

Then, as shown in FIG.
When the forward-side transport surface 4 is pushed up by the contact surface 46 of the front end side 38, the return-side non-transport surface 32 of the endless revolving body 5 is tensioned,
The disc-shaped body 53 is pushed by the back surface 32a of the return-side non-transport surface 32, and the disc-shaped body 53 is supported by a fulcrum shaft 37 via a support arm 43.
And is pivoted upward. And this disc
The vibration arm 39 is further pushed by 53, and this vibration arm 39
The forward-side transport surface 4 is further pushed up at the leading end side 38 of the front side.

When the disk 53 is further rotated on the back surface 32a of the non-conveying surface 32 on the return path, the pushing projection 54 of the disk 53 is pushed by the pushing projection 50 of the vibrating arm 39. The vibration arm 39 is released from the
The forward-side transport surface 4 is suddenly dropped from the push-up position pushed up by the contact surface 46 of the front end side 38 of 39, and the forward-side transport surface 4 drops on the forward-side transport surface 4 due to strong vibration. When the soil is bridging on the outbound-side transport surface 4 when the soil amount is large and the soil is bridging, the soil is broken, and when the soil is wet, the soil is separated.

When the pushing projection 54 of the disk 53 comes off the pushed projection 50 of the vibrating arm 39 and the forward conveying surface 4 drops, the distal end 38 of the vibrating arm 39 is moved to the supporting arm 43. Of the fulcrum shaft 37
The vibration arm 39, the support arm 43, and the disk-shaped body 53 pivotally supported by the support arm 43 are rotated downward, and the peripheral surface 40 of the disk-shaped body 53 is returned by its own weight.
It comes into contact with the back surface 32a of 32 while being strongly pressed.

Then, by the movement of the return side non-transport surface 32,
The disc-shaped body 53 in a state where the peripheral surface 40 is pressed by the back surface 32a of the return-side non-transport surface 32 is further reliably driven to rotate.

Accordingly, the vibrating arm 39 is moved to a predetermined position by the pushing protrusion 54 of the disk-shaped body 53 by the rotation of the disk-shaped body 53 which is rotationally driven by the movement of the return-side non-transport surface 32 of the endless revolving body 5. The vibrating arm 39 ensures that the soil is sieved from the forward-side transport surface 4 by vibrating vertically with a large amplitude about the fulcrum shaft 37 at intervals. Then, the agricultural products are successively conveyed toward the unloading section on the forward side conveying surface 4.

The conveying surface vibrating means 7 are provided at both ends of the forward-side conveying surface 4 of the endless circulating body 5 of the conveyor 6 so that the return-side non-conveying surface of the endless circulating body 5 is provided.
The disk-shaped members 53 of the driving rotator 41 of the conveying surface vibrating means 7 which are rotationally driven by the movement of the 32 are respectively rotated. Is vibrated vertically with a large amplitude in the vertical direction, so that the vibrating arms 39 can more reliably remove the soil from the forward-side transport surface 4. Then, the agricultural products are successively conveyed toward the unloading section on the forward side conveying surface 4.

When the agricultural products are successively carried out from the carry-out section on the forward side transport surface 4, these agricultural products are supplied to the side guides 65 and the rear side plate 65 on both ends of the first guide body 59 of the agricultural product guiding means 9.
At 66, it is sequentially guided on the surface of the ridge after excavation of agricultural products, and the sorting frame provided at the intermediate portion of the first guide body 59
Agricultural products are sorted to both sides by the sorting plates 70 on both sides of 64.

Also, the second guides below both ends of the first guide body 59
The agricultural products are guarded on the side of the ridges after excavation by the guide body 60 to prevent these agricultural products from dropping into the ridges and are dispersed on the surface of the ridges.

Then, the agricultural products are harvested in a state of being placed in two rows without overlapping on the surface of the ridge after excavating the agricultural products. Then, in this state, the agricultural products are each dried.

Next, in the above embodiment, the driving rotator
41 has been described with respect to the configuration in which the peripheral surface 40 is formed by the disc-shaped body 53 in contact with the back surface 32a of the return-side non-transport surface 32. However, the present invention is not limited to this. For example, as shown in FIG. Body 41
The engaging projections 77 which engage with the transport rod 31 of the return-side non-transport surface 32 so as to be releasably engaged with the peripheral surface 40 are formed by a disc-shaped body 53 which is sequentially formed at predetermined intervals. You may.

Since other configurations are the same as those of the above-described embodiment, the same components as those of the above-described embodiment are denoted by the same reference numerals used in the description of the above-described embodiment, and the description of those configurations will be omitted.

With the above configuration,
The movement of the return side non-transport surface 32 causes the return path non-transport surface 32 to move.
Are sequentially engaged with the engagement projections 77 of the peripheral surface 40 of the driving rotator 41, and the driving rotator 41 is further reliably rotated by the transportation rods 31 through the respective engagement projections 77. Driven.

In the above-described embodiment, the case where the pushing protrusion 54 for pushing and vibrating the vibrating arm is fixed to the disk-shaped body 53 of the driving rotating body 41 has been described. The moving protrusion 54 may be provided on the driving rotator 41 so that the position thereof can be adjusted, that is, the distance from the rotation center of the driving rotator 41 can be adjusted.

In this case, for example, as shown in FIGS. 7 and 8, the disk 53
A plurality of mounting holes 78 are respectively formed at different intervals with respect to the support shaft 52 on both side portions around the support shaft 52 which supports the shaft 52, and the mounting holes 78 are pushed to the mounting holes 78 at positions selected among these mounting holes 78. Protrusion
Install 54 with bolt 79 and nut 80.

Since other configurations are the same as those of the above-described embodiment, the same components as those of the above-described embodiment are denoted by the same reference numerals used in the description of the above-described embodiment, and the description of those configurations is omitted.

Then, with this configuration,
Mounting hole for disc 53 at narrow distance A with respect to support shaft 52
By attaching the pushing projection 54 to the
The vibration arm 39 pushed by 54 is vibrated up and down with a small amplitude a. Further, by attaching the pushing protrusion 54 to the mounting hole 78 of the disc-shaped body 53 at a position of a wide interval B with respect to the support shaft 52, the vibration arm 39 pushed by the pushing protrusion 54 is It is vibrated up and down with an amplitude b larger than the small amplitude a.

Therefore, by adjusting the position of the pushing protrusion 54 with respect to the disk-shaped body 53 of the driving rotating body 41, the pushing arm 54 is pushed and the vibrating arm is released from the pushing movement.
The amplitude that vibrates up and down of 39, that is, the head, is adjusted according to the condition of the soil and the like.
Will surely remove the soil.

Further, in the above-described embodiment, the transfer surface vibrating means 7 shown in FIG. 4 and the like includes a drive rotating body 41 which is driven and rotated by receiving a driving force from the moving backward non-transfer surface 32, and This drive rotating body is integrally provided on one side of the body 41
A configuration having a pushing protrusion 54 as a pushing body for intermittently pushing the vibrating arm 39 in response to the rotation of the disc-shaped body 53 being the 41 and vibrating the tip side of the vibrating arm 39 up and down will be described. However, for example, the conveyance surface vibrating means 7a shown in FIGS. 9 and 10 may be used.

The transfer surface vibrating means 7a shown in FIGS. 9 and 10 is different from the transfer surface vibrating means 7 shown in FIG. 4 and the like in that the support shaft is supported by a bearing 51 on the distal end 42 of the support arm 43. A pusher having a cam function, which is attached to the drive 52 and rotates integrally with the drive rotating body 41 and the support shaft 52 to intermittently push the vibrating arm 39 to vibrate the tip end side of the vibrating arm 39 up and down. Has 81.

The pusher 81 is attached to a position below the vibrating arm 39 in a state where the pusher 81 faces the disk-shaped body 53 which is the drive rotating body 41. In addition, the pushing body 81 is
A plurality of cylindrical base portions 82 connected and fixed to the base portion 82, and protruding from the base portions 82 in directions away from each other,
For example, two protrusions 83 are formed.

On the outer surface of each of these two protrusions 83, 83, a semicircular arc-shaped pushing curved surface portion 84 in which the distance from the rotation center of the pushing body 81 gradually increases from one end to the other end. And a flat portion 85 extending in the radial direction of the base portion 82 from the other end of the pressing curved surface portion 84 toward the rotation center side of the pressing body 81. Since other configurations are substantially the same as those of the above-described embodiment, the same components as those of the above-described embodiment will be denoted by the same reference numerals used in the description of the above-described embodiment, and description of those configurations will be omitted.

9 and FIG. 10 can also provide the same function and effect as the conveying surface vibrating means 7 shown in FIG.

That is, the return-side non-transport surface of the endless revolving body 5
As a result of the movement of the disc 32, the disc-shaped body 53, which is the driving rotator 41 having the peripheral surface 40 in contact with the back surface 32a of the return-side non-transport surface 32, is pressed by the back surface 32a of the return-side non-transport surface 32 to rotate. When this is done, the pushing body 81 together with the disc 53 and the support shaft 52
, And the vibrating arm 39 is gradually pushed by the pushing curved surface portion 84 of the projecting portion 83 of the pushing body 81 via the pushed projection 50, and the oscillation arm 39 is supported by the fulcrum shaft 37. Is gradually rotated in the direction in which the tip side faces upward.

When the distal end side 38 of the vibrating arm 39 is in contact with the back surface 4a of the forward transport surface 4,
The forward-side transport surface 4 is gradually pushed up at the front end side 38 of 39.

At this time, the vibrating arm 39 is moved to the forward side transport surface 4
The vibrating arm 39 is gradually pushed up and pivoted about the fulcrum shaft 37 at the protrusion of the pushing body 81 by the rotation of the pushing body 81 by rotating the pushing body 81.
The forward side transport surface 4 is surely gradually pushed up at the front end side 38 of the, so that the agricultural products on the forward side transport surface 4 are prevented from rolling down toward the agricultural excavation body 3 or damaging the agricultural products. .

Then, the contact surface of the distal end side 38 of the vibration arm 39
When the forward-side transport surface 4 is pushed up at 46, the return-side non-transport surface 32 of the endless revolving body 5 is tensioned, and
The disc 53 is pushed by the back surface 32a of the disc 32, and this disc
The pusher 53 and the pusher 81 are pushed up and rotated about the fulcrum shaft 37 via the support arm 43. Then, the vibrating arm 39 is further pushed by the pushing body 81, and the distal end side 38 of the vibrating arm 39 is moved.
, The forward path-side transport surface 4 is further pushed up.

When the disc 53 is further rotated on the back surface 32a of the return side non-transport surface 32, the projecting portion 83 of the pushing member 81 is rotated.
Is disengaged from the pushed projection 50 of the vibrating arm 39, the pushing of the vibrating arm 39 is released, and the pushing curved surface 84 is pushed up by the contact surface 46 of the distal end side 38 of the vibrating arm 39. The forward-side transport surface 4 is suddenly dropped from the push-up position, and the strong vibration of the forward-side transport surface 4 drops, so that the soil is separated from the agricultural products on the forward-side transport surface 4, and the amount of soil is large. When the soil has caused a bridging phenomenon on the surface 4, the soil is broken, and when the soil is wet, the soil is separated. Therefore, even in the transfer surface vibrating means 7a shown in FIG. 9 and FIG.
As in the case of the conveying surface vibrating means 7 shown in FIG. 4 and the like, the soil can be reliably removed from the vibrating forward conveying surface 4.

In the transfer surface vibrating means 7a shown in FIGS. 9 and 10, since the pushing member 81 also has the function of the stopper 48 for supporting the vibrating arm 39, the transfer surface vibrating means 7a shown in FIG. As compared with, the structure can be simplified, the manufacturability can be improved by reducing the number of parts, and the cost can be reduced.

In the conveying surface vibrating means 7a shown in FIGS. 9 and 10, as shown in FIG. 11, the driving rotator 41 is provided on the peripheral surface 40 on the return side non-conveying surface 32, as in FIG. The engagement protrusions 77 that removably engage with the transport rod 31 may be formed of a disc-shaped body 53 that is sequentially formed at intervals in the circumferential direction and that protrudes. Since other configurations are the same as those of the above-described embodiment, the same components as those of the above-described embodiment are denoted by the reference numerals used in the description of the above-described embodiment, and the description of those configurations will be omitted. With this configuration, the movement of the return-side non-conveying surface 32 causes the respective transfer rods 31 of the return-side non-conveying surface 32 to engage with the engaging projections 77 of the peripheral surface 40 of the driving rotating body 41.
, And the driving rotator 41 is further reliably driven to rotate by the transport rods 31 via the respective engaging projections 77.

Further, in any of the above-described embodiments, the vibrating arm 39 is pushed by the pushing protrusion 54 or the pushing body 81 provided on the driving rotating body 41 via the pushed projection 50, and this vibration is generated. The case where the distal end side 38 of the arm 39 is vibrated up and down has been described. However, the present invention is not limited thereto.
Alternatively, the vibrating arm 39 may be directly pushed by the pushing body 81 to vibrate the distal end side 38 of the vibrating arm 39 up and down.

In each of the above-described embodiments, the case where the driving rotary body 41 is formed of the disc-shaped body 53 has been described. However, the present invention is not limited to this.
The rotating body may be a rotating body in which the peripheral surface 40 is formed in an elliptical shape or a polygonal shape.

In each of the above embodiments, the case where the agricultural product dug by the agricultural product excavating body 3 is dropped on the surface of the ridge where the agricultural product was dug and harvested and dried is described. May be stored in a container (not shown) provided on the machine body 2 from the unloading portion of the forward-side transport surface 4 of the conveyor 6 and may be harvested. It includes a digging machine for digging.

[0093]

According to the first aspect of the present invention, the vibrating arm can be reliably pushed by the pushing body in the direction of pushing up the forward-side transport surface in accordance with the rotation of the driving rotating body. The pushing of the vibrating arm is reliably released by the pusher, and the forward transfer surface can be rapidly and reliably dropped from the push-up position pushed up at the tip side of the vibrating arm. The strong vibrations of the falling can reliably separate the soil from the agricultural products on the outbound transport surface, and when the soil volume is large and the soil causes a bridging phenomenon on the outbound transport surface, the soil should be broken. When the soil is wet, the soil can be reliably separated, and therefore, the soil can be reliably sifted off the forward-side transport surface.

Further, since the vibrating arm has a longitudinal direction in the moving direction of the forward transfer surface, the forward transfer surface is gradually moved at the distal end of the vibrating arm which is pushed by the pushing body about the fulcrum axis. The agricultural product can be pushed up and the agricultural product on the forward-side transport surface can be prevented from rolling down toward the agricultural product excavating body side or being damaged.

Further, since the pushing body rotates based on the driving force from the non-conveying surface on the return path side to vibrate the vibrating arm, the configuration is smaller than the configuration in which a dedicated driving source for rotating the pushing body is provided. Easy to do.

According to the second aspect of the present invention, in addition to the effect of the first aspect, by adjusting the distance of the pushing protrusion from the rotation center of the driving rotating body, the head of the vibrating arm can be reduced in soil or the like. It can be reliably adjusted according to the state.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, the forward moving surface can be pushed up reliably by the pushing body pushing the pushed projection. Further, the forward-side transport surface can be rapidly and reliably dropped from the push-up position pushed up on the tip side of the vibrating arm.

According to the invention of claim 4, claims 1 to 3
In addition to the effects of any one of the inventions described above, the lower end of the peripheral surface of the driving rotary body is endlessly rotated by the weight of the supporting arm that moves up and down about the fulcrum axis and the driving rotary body attached to the supporting shaft of the supporting arm. Can be pressed against the back side of the return side non-transport surface, and the driving force can be properly transmitted from the moving return side non-transport surface while moving. Can be rotated.

According to the fifth aspect of the present invention, in addition to the effect of the fourth aspect of the present invention, the vibrating arm, which has been released from the pressing movement of the vibrating arm and turned downward, is securely supported by the stopper at the tip end side of the support arm. The lower part of the peripheral surface of the driving rotator due to the weight of the supporting arm that moves up and down about the fulcrum axis, the vibrating arm supported by the stopper of the supporting arm, and the driving rotator attached to the supporting shaft of the supporting arm. Can be abutted against the back surface of the non-transport surface on the return path side of the endless revolving body, and the driving force can be appropriately transmitted from the non-transport surface on the return path side during movement. The drive rotating body can be more reliably rotated.

According to the invention of claim 6, according to claims 1 to 5,
In addition to the effects of any one of the inventions, the forward-side transport surface of the endless revolving body of the conveyor can be appropriately vibrated by the transport surface vibrating means on both ends in the direction intersecting the transport direction of the conveyor, The soil can be reliably removed from the side transport surface, and therefore, the agricultural products can be transported toward the unloading section on the outward transport surface.

[Brief description of the drawings]

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

FIG. 2 is a plan view of the same.

FIG. 3 is a side view showing the conveyance surface vibrating means.

FIG. 4 is a plan view of the same.

FIG. 5 is a side view showing an operation state of the conveyance surface vibrating means.

FIG. 6 is a side view illustrating a conveyance surface vibration unit according to another embodiment.

FIG. 7 is a plan view showing a part of a conveying surface vibrating means according to still another embodiment.

FIG. 8 is a side view showing the same operating state.

FIG. 9 is a plan view showing a transfer surface vibrating means according to still another embodiment.

FIG. 10 is a side view of the conveyance surface vibrating means.

FIG. 11 is a side view showing a conveyance surface vibrating means according to still another embodiment.

[Explanation of symbols]

 3 Agricultural excavation body 4 Outgoing side transport surface 4a, 32a Back surface 5 Endless revolving body 6 Conveyor 7, 7a Transport surface vibrating means 32 Return side non-transport surface 37 Support shaft 38 Tip side 39 Vibration arm 40 Peripheral surface 41 Driving rotating body 43 Support arm 48 Stopper 50 Pushed projection 52 Support shaft 54 Pushing projection as pusher 81 Pusher

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Koichiro Miyata 563 Yamagata, Yuni-cho, Yubari-gun, Hokkaido Within Nipro Co., Ltd. F term (for reference) 2B072 AA01 AA02 AA10 BA03 CA03 CA22 GA14

Claims (6)

[Claims] 1. A conveyor having an agricultural excavated body for excavating agricultural products, an endless revolving body that conveys the agricultural products excavated by the agricultural excavated body on an outbound transportation surface while sifting soil, and the conveyor. Transport surface vibrating means for vibrating the outward transport surface of the endless revolving body of the endless revolving body, wherein the transport surface vibrating means moves up and down in a state in which the tip side is in contact with the back surface of the forward transport surface around a fulcrum axis. A vibrating arm which is provided so as to be capable of vibrating and has a longitudinal direction in a moving direction of the forward-side transport surface, and is provided rotatably in a state in which a peripheral surface is in contact with a back surface of the return-side non-transport surface of the endless revolving body A driving rotator that rotates by receiving a driving force from the moving-side return non-transport surface; and intermittently pushes the vibrating arm in accordance with the rotation of the driving rotator to move the tip end of the vibrating arm. A pusher that vibrates up and down. Harvester according to claim. 2. The harvester according to claim 1, wherein the pushing body is a pushing projection provided on the driving rotator so as to adjust a distance from a rotation center of the driving rotator. 3. The vibrating arm has a pushed projection which is formed to project downward from the back side of the vibrating arm and is pushed by a pushing body.
Harvester described. 4. The transfer surface vibrating means has a support arm that pivotally supports a tip end thereof vertically about a fulcrum axis, and a driving rotary body is mounted on a pivot that is rotatably supported by the support arm. The harvester according to any one of claims 1 to 3, wherein the harvester is attached. 5. The harvester according to claim 4, wherein the support arm has a stopper for supporting the vibrating arm at a tip side of the support arm. 6. The harvester according to claim 1, wherein the conveying surface vibrating means is provided at both ends in a direction intersecting the conveying direction of the conveyor.