JPH10276539A - Head forming vegetable harvesting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a head forming vegetable harvesting device which cuts the root part of a head forming vegetable in the state of planting in a farm land, carries the head forming vegetable to an operating part finishing this head forming vegetable still in the planted state for shipment and at this time, cuts the root part of the head forming vegetable always at a proper position. SOLUTION: The device is provided with a traveling vehicle body 1, a cutting device 84 provided in front of this body 1 and cutting the root part of this head forming vegetable in the state of planting the vegetable in the farm land, and a carrying device 20 provided for the traveling vehicle body and carrying the vegetable whose root part is cut off by the device 84. The device 84 is provided with a cutter 102 cutting the root part of this head forming vegetable, a guide wheel 115 which is provided in front of the cutter 102 in the state of being freely rotatable and rotates according to a ridge shoulder, where the vegetable is planted, to form the posture of the vegetable to guide this vegetable to the cutter 102, and a driving roller 132 positioned behind the cutter 102 in the state of being freely rotatable to regulate the cutting position of the cutter 102.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head vegetable harvester, and more particularly, to a head vegetable harvester for picking head vegetables such as Chinese cabbage.

[0002]

2. Description of the Related Art Conventionally, when leaf cabbage of this kind, for example, Chinese cabbage is harvested from a field, the outer leaves of the cabbage are easily damaged. The root, that is, 4 to 5 pieces of the roots of Chinese cabbage and the outer leaves at the base are cut and removed, and the Chinese cabbage is arranged in a field. When the Chinese cabbage is packed in a box, the Chinese cabbage is further finished for shipping and packed in a box. I have.

[0003]

The conventional Chinese cabbage harvest is
From the cutting work from the field to the finishing work to finish it for shipping, since each of the Chinese cabbage is performed by hand, the work efficiency is poor, requires excessive labor, and after cutting the Chinese cabbage from the field, In order to arrange these Chinese cabbages in the field and prepare for the finishing work for shipping, the outer leaves of the Chinese cabbage are easily damaged, and the mud adheres to the outer leaves of the Chinese cabbage and the cut portion obtained by cutting the root of the Chinese cabbage, so that they are easily soiled, There is a problem that it is likely to cause a reduction in product value.

[0004] Therefore, due to the recent aging of agricultural workers and the like, the work efficiency is improved and the labor is reduced, and mud is prevented from adhering to the outer leaves of Chinese cabbage and the cut portion obtained by cutting the root of the Chinese cabbage. There is a demand for the development of a harvester for sequentially harvesting head vegetables such as Chinese cabbage from a field by mechanical means.

SUMMARY OF THE INVENTION The present invention has been made in view of such a demand, and cuts a root portion of a headed vegetable planted in a field in a state where the headed vegetable is planted. It is an object of the present invention to provide a head vegetable harvesting machine capable of transporting the root portion of a head vegetable to a finishing work section or the like which finishes the product for shipping as it is, and always cutting the root part of the head vegetable at an appropriate position.

[0006]

According to a first aspect of the present invention, there is provided a head-cropping vegetable harvesting machine, comprising: a traveling vehicle body; and a head-vegetable vegetable planted in a field provided in front of the traveling vehicle body and planted in a field. A cutting device, which is provided on the traveling vehicle body, and a conveying device that conveys, in a planted state, head vegetables cut by the cutting device, and the cutting device includes a root portion of the head vegetables. And a cutter that is positioned in front of the cutter and is rotatably provided in accordance with a ridge shoulder where the head vegetables are planted, and adjusts the posture of the head vegetables to guide the head vegetables to the cutter. A guide wheel,
And a drive roller that is rotatably provided behind the cutter and regulates a cutting position of the cutter.

[0007] When the guide wheel of the cutting device is advanced while rotating along the shoulder of the ridge while the traveling vehicle is running, the head vegetables on the ridge are adjusted in posture by the guide wheel and planted on the cutter in a planted state. It is guided, and the root of the head vegetable is cut by this cutter.

At this time, since the cutting position of the cutter is regulated by the driving roller, the root of the head vegetable is cut from an appropriate position by the cutter. In addition, the drive roller is driven to rotate, so that the drive roller enters the ridge soil and rotates without excessive sinking, and runs on the stump cut by the cutter.

[0009] The head vegetables whose roots have been cut are conveyed by the conveying device in a planted state, and the head vegetables are conveyed to the finishing work section or the like from the discharge end of the conveying device. Then, for example, the head vegetables conveyed to the finishing work section are finished for shipping in the finishing work section and are boxed and sealed.

According to a second aspect of the present invention, there is provided a head vegetable harvesting machine according to the first aspect, wherein the cutting device includes a fixed frame fixed to the transfer device, a cutter and a guide disposed below the fixed frame. A movable frame provided with a wheel and a driving roller, a rotatable parallel link having the movable frame mounted on the fixed frame so as to be vertically movable, and biasing means for constantly biasing and supporting the movable frame at a predetermined position And having.

When the transport device is moved up and down by the traveling vehicle body, the urging means is extended and the parallel link is rotated, and the movable frame is not moved up and down by the parallel link. Even if the transport device moves up and down, the movable frame does not move up and down following the vertical movement of the transport device, and the cutting position of the cutter is always regulated to an appropriate position by the guide wheel and the drive roller of the movable frame. Then, the roots of the head vegetables are cut reliably by this cutter.

According to a third aspect of the present invention, in the first aspect of the present invention, the cutter is provided on both sides so as to be rotatable and rotates at the same speed inward in opposite directions. It is formed by a pair of disk-shaped cutters each having a cutting blade at each peripheral edge for cutting the root portion of head vegetables.

[0013] When the head vegetables are guided between the pair of cutters in a planted state, the roots of the head vegetables are cut from appropriate positions by the cutting blades of the pair of cutters. On this occasion,
The pair of cutters are rotated at the same speed toward the inside in the opposite direction to each other, so that the roots of the head vegetables are reliably sent out while sending the head vegetables from both sides toward the transport device with the cutting blades of the pair of cutters. Be cut off.

According to a fourth aspect of the present invention, there is provided a head vegetable harvesting machine according to the first or second aspect, wherein the guide wheels are rotatably provided on both sides of the head at predetermined intervals for guiding the head vegetables. A pair of disc-shaped guide wheels having a mounting surface on the upper surface for mounting the lower surface of the head vegetables and a ground contact surface on the lower surface. That's the thing.

The grounding surface of the pair of guide wheels is rotated following the ridge shoulder, and the lower surface of the head vegetable is mounted on the mounting surface of the upper surface thereof while rotating. The posture is adjusted while the root portion of the headed vegetables passes through the space between the pair of guide wheels with the guide wheel. At this time, the pair of guide wheels are rotated at the same speed toward the inside in the opposite direction to each other, so that the mounting surface portions of the pair of guide wheels support the lower surface portion of the head vegetable from both sides, and She is guided to the cutter with her posture adjusted without twisting the vegetables.

According to a fifth aspect of the present invention, there is provided a head growing machine according to the fourth aspect, wherein the pair of guide wheels has an interval adjusting means for adjusting an interval for guiding the head vegetables.

By adjusting the distance adjusting means in accordance with the condition of the head vegetables planted on the ridge, the distance between the pair of guide wheels is adjusted by the distance adjusting means so as to adjust the posture of the head vegetables. Can be easily variably adjusted.

According to a sixth aspect of the present invention, there is provided a head harvesting machine according to the first or second aspect, wherein the driving roller is cut by a large-diameter roller portion that rotates on a ridge shoulder and a cutter. A small-diameter roller that rotates on a stump,
Having.

Then, the cutting position of the pair of cutters is regulated by the large-diameter roller portion of the drive roller, so that the root portion of the head vegetable is reliably cut from an appropriate position by the pair of cutters. Further, the small-diameter roller portion of the drive roller rotates and runs on the stump cut by the pair of cutters, that is, the small-diameter roller portion rotates while avoiding the stump,
The drive roller is rotated by the stump without being pushed up. Therefore, it is possible to prevent the cutting positions of the pair of cutters from being changed at the stump.

According to a seventh aspect of the present invention, there is provided a head vegetable harvesting machine according to the first, second or sixth aspect, wherein the driving roller is capable of adjusting a cutting position of a cutter for cutting a root portion of the head vegetable. It has roller position adjusting means for vertically adjusting the position of the roller.

The position of the driving roller is adjusted up and down by the roller position adjusting means, and the driving roller is set at a predetermined position, whereby the cutter cuts the root portion of the head vegetable with the driving roller. The position is easily adjusted and set, and the position of the cutter is regulated by the drive roller.

[0022]

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

Reference numeral 1 denotes a traveling vehicle body. The traveling vehicle body 1 includes a vehicle body 2, a crawler 4 provided at a lower portion of the vehicle body 2 and having an endless track belt 3 which is rotatable on both sides. And a drive mechanism 10 provided with an engine 5, a tank and a pump 6, a mission 7, a hydraulic motor 8 and a speed reducer 9. The output shaft 11 of the mission 7 has endless tracks on both sides of the crawler 4. Drive wheels 12 for rotating the belts 3 are connected to each other.

Then, the drive wheels 12 on both sides of the crawler 4 are respectively driven to rotate by the output from the output shaft 11 of the mission 7, and the respective endless tracks 3 circulate on the drive wheels 12 on both sides. Thus, the traveling vehicle body 1 travels straight and turns.

Further, the vehicle body 2 has a board 13 formed in a substantially rectangular shape, and the board 13 is provided with an operator 14 mounted on a front portion on one side in the left-right direction with respect to the traveling direction. A driver's seat 16 including a control device 15 for controlling the drive mechanism 10 is provided.

The board 13 has a pair of left and right mounting pieces 17 integrally projecting upward at the front part on the other side in the left and right direction with respect to the traveling direction, and the left and right mounting pieces 17 are the same. It has a mounting portion at the height position. Further, a pair of right and left columns 18 are respectively provided on the board 13 so as to protrude upward from the left and right mounting pieces 17 so as to be opposed to the left and right mounting pieces 17, respectively. The right and left columns 18 project from a position higher than the upper ends of the left and right mounting pieces 17, and the left and right columns 18 have mounting portions at the same height.
Further, a front mounting piece 19 is integrally provided on the board 13 so as to protrude upward and forwardly between the left and right mounting pieces 17.

Next, reference numeral 20 denotes a transport device for transporting the head vegetables V such as Chinese cabbage, whose roots have been cut, in a planted state. Conveyor 21 to be conveyed toward
And a placing conveyor 22 for placing and transporting the lower end portion of the planted head vegetable A that is located below and transported by the sandwiching conveyor 21.

The sandwiching conveyor 21 has front and rear conveyor frames 23 which are spaced apart from each other on both sides in the left and right direction, and a vertical drive shaft 24 is provided at the front end of the conveyor frames 23 on both sides. Each is rotatably mounted on a shaft,
Driving rollers 25 having the same diameter are fixed to the driving shafts 24 on both sides. Also, the conveyor frames on both sides
Driven rollers 26 having the same diameter are rotatably mounted on the rear end of the roller 23, respectively.

Also, a plurality of vertical support shafts 27 are provided on the conveyor frames 23 on both sides at a predetermined interval in the front-rear direction and between the drive roller 25 and the driven roller 26.
The roller support arms 28 are respectively rotatably mounted on the respective support shafts 27 on both sides thereof, and tension is applied to the tip of each roller support arm 28 by a vertical roller support shaft 29. Each of the rollers 30 is rotatably mounted on a shaft.

Each of the support shafts 27 on both sides is connected to each of the support shafts.
The roller support arms 28, which are mounted on a shaft 27, are rotationally urged toward the opposing counterparts, respectively, and the tension rollers 30 at the respective leading ends are formed between the inner peripheral surfaces of the front and rear drive rollers 25 and the driven rollers 26. The springs 31 that protrude toward the other side from the line connecting the inner peripheral surface to each other are attached.

Further, the conveyor frames 23 on both sides are provided.
A pair of endless revolving bodies 32 are suspended between the drive roller 25 and the driven roller 26 before and after the pair via the tension rollers 30 of the roller support arms 28, respectively. The inner circling portions 33 of the pair of endless circulating bodies 32 are circulated substantially in parallel by the respective tension rollers 30, and are driven by the driving roller 25 at the front end and the tension roller 30 at the front end. Carriage entrance that opened forward
An opening is formed as 34, and an opening 35 is formed as a carry-out port 35 which is opened rearward by the driven roller 26 at the rear end and the tension roller 30 at the rear end.

The pair of endless reciprocating members 32 are reciprocated in directions opposite to each other, and the opposing inner reciprocating portions 33 are reciprocated at the same speed toward the rear of the traveling.
The headed vegetables A carried in the planted state from the carry-in port 34 are conveyed while being pinched in the planted state by the opposing inner circling portions 33 of the pair of endless circulating bodies 32. Thus, the pair of endless revolving bodies 32 are provided on the outer peripheral surface with the head vegetables A.
Has a material that does not damage the outer leaves of the head vegetable A when sandwiched.

Further, support arms 36 are integrally and horizontally protruded forward from the front sides of the conveyor frames 23 on both sides, and the front ends of the support arms 36 on both sides are connected to the conveyors on both sides. Along with being supported by upright columns 37 erected near the front end of the frame 23,
Left and right mounting frames 38 are integrally fixed between the front ends of the support arms 36 on both sides.

A transmission case 39 is integrally attached to each of both left and right ends of the attachment frame 38,
Both ends of the power relay shaft 40 are rotatably supported between the transmission cases 39 on both sides. A vertically rotating shaft 41 is rotatably mounted on the rear portion of the transmission case 39 on both sides, and both ends of the power relay shaft 40 are respectively connected to the rotating shafts 41 on both sides by interlocking means (not shown). Are linked together. Then, the rotation of the one rotating shaft 41 causes the other rotating shaft 41 to rotate in conjunction with the movement via the interlocking means and the power relay shaft 40, and the two rotating shafts
41 are rotated in opposite directions.

A vertically interlocking rotating shaft 42 is rotatably mounted on the front portion of the transmission case 39 on both sides, and the sprocket 43 fixed to the interlocking rotating shaft 42 and the sprocket 43 fixed to the rotating shaft 41. An endless chain 45 is suspended between the sprocket 44 and the sprocket 44. Also, a first power transmission shaft 47 which is spline-fitted via a universal joint 46 is connected to a lower end portion of the interlocking rotary shaft 42 which is mounted on the transmission case 39 on both side portions. The drive shafts 24 of the drive rollers 25, around which the pair of endless reciprocating members 32 are hung, are connected to the lower end of one power transmission shaft 47 via a universal joint 48, respectively.

When the interlocking rotation shafts 42 at the front of the transmission cases 39 on both sides are interlockedly rotated, the first power transmission shaft 47 and the drive shaft 24 are rotated by the interlocking rotation shafts 42 on both sides. The pair of drive rollers 25 are respectively driven to rotate in directions opposite to each other, and the pair of endless revolving bodies 32 are driven and rotated in directions opposite to each other by the pair of drive rollers 25, and The inner circling portions 33 of the pair of endless circulating bodies 32 are circulated backward at the same speed in the same direction.

Further, a gear case 49 is fixed to the transmission case 39 on one side, and the gear case 49 is interlockingly connected to the connecting shaft 50 by a connecting shaft 50 rotatably projecting rearward and a gear (not shown). Each of the transmission cases 39 has an interlocking shaft 51 which is interlocked with a rotation shaft 41 of the transmission case 39 by a gear (not shown). When the connection shaft 50 is rotated and interlocked, the rotation shaft 41 of the one-side transmission case 39 is rotated by the connection shaft 50 via the interlocking shaft 51.

One end of a first rotational transmission shaft 53 extending in the front-rear direction is connected to a coupling shaft 50 of the gear case 49 via a universal joint 52, and the other end of the first rotation transmission shaft 53 is connected to the other end of the first rotational transmission shaft 53. Is connected to one end of a rotating shaft 56 provided on a gear case 55 via a universal joint 54. A rotating shaft 57 of the speed reducer 9 is rotatably projected into the gear case 55, and the rotating shaft 57 The rotation shaft 56 of the gear case 55 is linked and connected by a gear (not shown).

Next, the placing conveyor 22 has a conveyor frame 58 disposed below the conveyor frame 23 of the sandwiching conveyor 21, and the conveyor frame 58 is disposed below the conveyor frame 23. And a horizontal portion 58b which is continuous with the inclined portion 58a and extends upward and rearward from the rear end of the conveyor frame 23 and extends horizontally on the board 13 from the rear end of the conveyor frame 23. doing.

Further, the conveyor frame 58 includes a front-side vertical connecting piece 59 provided on both sides in the width direction and a rear connecting frame provided behind the connecting piece 59 and provided on both sides in the width direction. At 60, it is connected to the conveyor frame 23. The connecting frame 60 is located behind the front vertical connecting piece 60a and the front connecting piece 60a connected to a substantially intermediate portion of the conveyor frame 23 in the front and rear direction, and is provided in parallel with the front connecting piece 60a. The conveyor frame 23
Each has a middle vertical connecting piece 60b connected to the rear end of the connecting piece.

The conveyor frame 58 is located below and below the carry-in port 34 of the sandwiching conveyor 21 and is rotatably supported by a driven roller 61 and a rear end of the horizontal portion 58b. A rotatable drive roller 62, which is rotatably mounted on a shaft, and a plurality of rotatable plural rollers disposed at a predetermined distance between the front end of the horizontal portion 58b and the driven roller 61 in front of the drive roller 62. And a tension roller 63.

Further, the conveyor frame 58 is provided between the pair of endlessly rotating bodies 32 of the sandwiching conveyor 21 so as to face each other.
An endless revolving belt 64 formed of a flat belt or the like which is suspended between the driven roller 61 and the driving roller 62 via the plurality of tension rollers 63 and is located below between the plurality of tension rollers 63.
have.

The endless revolving belt 64 is revolved in the same direction and at the same speed as the inner revolving parts 33 of the pair of endless revolving bodies 32 facing each other. The lower end portion of the head vegetable A, which is sandwiched by the opposing inner revolving portions 33 and conveyed in a planted state, is placed on the revolving upper portion 65 and conveyed.

A gear case 66 is fixed to one side of the rear end of the conveyor frame 58, and one end of a drive shaft 67 of the drive roller 62 is rotatably inserted into the gear case 66. A rotating shaft 68 operatively connected to one end of the gear case 66 via a gear (not shown) is rotatably provided on the gear case 66, and a universal joint 69 is attached to the rotating shaft 68.
The other end of the second rotary transmission shaft 70 in the front-rear direction which is extendable and retractable is connected to the other end of the rotary shaft 56 of the gear case 55 via the universal joint 71. It is connected to the other end.

Further, the upper ends of the front link pieces 73 are rotatably supported by support shafts 72 in the vicinity of the upper ends of the two connection pieces 60a on the front side of the connection frame 60, respectively. Are rotatably supported by the support pieces 74 on the mounting pieces 17 on both sides. Further, the upper end of the rear link piece 76 is rotatably supported by a support shaft 75 near the upper end of the intermediate connection piece 60b of the connection frame 60, respectively,
The lower ends of the link pieces 76 on both sides are rotatably supported on the upper ends of the supports 18 on both sides by the support shafts 77, respectively.

The front link piece 73 and the rear link piece 76 disposed on the front and rear sides of the both sides are arranged in parallel, and the front link piece 73 and the rear link piece 76 form a parallel link. 78 are configured.

Further, the base end of the cylinder device 79 is rotatably supported by a support shaft 80 on the front mounting piece 19 provided in front of the mounting pieces 17 on both sides. The distal end of a telescoping rod 81 of the cylinder device 79 is rotatably supported by a protruding piece 83 protruding from a lower rear portion of the conveyor frame 23 via a support shaft 82.

In the cylinder device 79, the sandwiching conveyor 21 and the placing conveyor 22 are always inclined at a predetermined inclination angle for conveying the headed vegetables A rearward and upward during the harvesting operation via the parallel link 78. In addition, at the time of turning to change the direction from the time of this harvesting operation, the holding conveyor 21 and the placing conveyor 22 are pulled up and rotated rearward and upward by the cylinder device 79 via the parallel link 78. The cutting device described later can be pulled up to a position higher than the head vegetable A.

Next, reference numeral 84 denotes a cutting device for cutting the root portion B of the planted head vegetable A planted in the field. The cutting device 84 includes a front connecting piece 59 on both sides and the clamping conveyor 21. A fixed frame 85 in the front-rear direction fixed parallel and horizontally to the both sides of the vicinity of the front end of the conveyor frame 23 in parallel with the fixed frame 85 below the fixed frames 85 on both sides. It has a movable frame 86 and a parallel link 87 for attaching the movable frame 86 to the fixed frame 85 so as to be movable up and down in parallel.

The movable frame 86 is fixed between the frame members 88 on both sides in the front-rear direction arranged opposite the fixed frames 85 on both sides, and a substantially middle part in the front-rear direction of the frame members 88 on both sides. Horizontal bar-shaped intermediate member
89, and a left and right round bar-shaped rear end member 90 fixed between the rear end portions of the frame members 88 on both sides, and the frame members 88 on both sides are integrally formed with support pieces 91 at the upper front end. , And the support pieces 92 at the upper end of the rear end are integrally formed.

The parallel links 87 on both sides have a first link piece 93 and a second link piece 94, respectively. The upper end of the first link piece 93 is rotatably supported on the front ends of the fixed frames 85 on both sides by a support shaft 95, and the lower end of the first link piece 93 is supported by a support shaft 96. Each of the support pieces 91 on the front side of the member 88 is rotatably supported by a shaft.

The second link piece 94 is provided in parallel with the first link piece 93 with one of the link pieces 94a and one of the link pieces 94a via a bent portion. The other link piece 94b is formed in a substantially L-shape, and the bent portion is rotatably supported by a support shaft 97 at a substantially middle portion of the fixed frame 85 on both sides so as to be rotatable. The part is a spindle
At 98, the support members 92 at the rear ends of the frame members 88 on both sides are pivotally supported, respectively.

The first link piece 93 and one link piece portion 94a of the second link piece 94 are pivotally supported in parallel so as to be freely rotatable, respectively. 2
One of the link pieces 94a of the link piece 94 and the frame members 88 on both sides of the fixed frame 85 and the movable frame 86 on both sides are formed in a parallelogram.

Further, substantially L-shaped support arms 99 are respectively provided on the inside of the front ends of the frame members 88 on both sides so as to face each other on the same plane and project integrally forward. A vertical rotating shaft 101 is rotatably supported by a bearing body 100 provided in the vicinity, and a pair of cutters 102 for cutting the root portion B of the head vegetable A are provided at the lower ends of the rotating shafts 101 on both sides thereof. It is fixed.

Each of the pair of cutters 102 is formed in a disk shape, and has a cutting blade 103 on the outer peripheral edge thereof. Root B of head vegetable A while sliding with
Is cut from both sides. And, the pair of cutters 102 is the endless revolving belt 64 of the placing conveyor 22 described above.
And below the carry-in entrance 34 of the sandwiching conveyor 21.

The rotating shaft 10 of the pair of cutters 102
The lower end of an extensible second power transmission shaft 105, which is spline-fitted via a universal joint 104, is connected to the upper end of the first power transmission shaft 105, and the upper end of the second power transmission shaft 105 is connected via a universal joint 106. To the rotating shafts 41 on both sides. The pair of cutters 102 are rotated inward in opposite directions by the rotation shaft 41 and the second power transmission shaft 105 on both sides.

Vertical mounting shafts 107 are integrally provided at the distal ends of the support arms 99 on both sides, respectively, and the rotating arms 108 are respectively rotatable on the mounting shafts 107 on both sides so as to be rotatable in the horizontal direction. Supported.

The rotating arms 108 on both sides are provided with a shaft supporting portion 109 supported by the mounting shafts 107 on both sides, and a first arm portion in the front-rear direction protruding forward from the shaft supporting portion 109.
110, and a second arm portion 111 in the left-right direction protruding laterally from the shaft support portion 109.
It is formed in a character shape.

At the distal ends of the first arms 110 of the rotating arms 108 on both sides, mounting pieces 112 are integrally and horizontally protruded forward, respectively.
Hydraulic motors 113 are fixed on the upper side, respectively, and the posture of the headed vegetables A is adjusted from both sides on the vertical rotation shafts 114 of the hydraulic motors 113 on both sides to guide the headed vegetables A between the pair of cutters 102. Guide wheels 115 are respectively fixed.

Each of the pair of guide wheels 115 is formed in a disk shape, and has a mounting surface portion 116 on which the lower surface portion of the head vegetables A is mounted on the upper surface portion, and the lower surface portion has a lower inclined surface toward the center. It has a conical grounding surface 117 that slides and rotates along the ridge upper surface. The pair of guide wheels 115 has a predetermined gap 118 between the inner peripheral portions thereof for guiding the root portion B of the head vegetable A.

The hydraulic motors 113 on both sides are respectively controlled by the drive mechanism 10, are driven to rotate by the output from the drive mechanism 10, and have their rotating shafts 11.
At 4, the pair of guide wheels 115 are driven to rotate at the same speed inward in opposite directions.

Further, the shaft supports 119 are fixed to the base ends of the support arms 99 on both sides, respectively.
The adjusting rods 121 in the front-rear direction are respectively movably inserted into the shaft insertion holes 120 penetrated through the shafts 9.
The ends of the arm portions 111 are rotatably mounted on respective shafts.

Further, the adjusting rods on both sides are located between the distal ends of the adjusting rods 121 on both sides and the shaft supports 119 on both sides.
A compression spring 123 composed of a coil spring is wound around 121. A compression shaft 123 formed at the base end of the adjustment rod 121 on both sides is positioned on the rear side of the shaft support body 119 on both sides. An adjusting nut 125 for adjusting the adjusting rods 121 on both sides against the spring 123 and a lock nut 126 for positioning the adjusting nut 125 are screwed respectively.

Then, the mounting shaft 107 of the support arm 99,
Rotating arm 108 rotatably mounted on this mounting shaft 107
, A support 119 of the support arm 99, an adjustment rod 121 inserted through the support 119 so as to be able to advance and retreat, a compression spring 123 wound around the adjustment rod 121, and an adjustment rod 121 against the compression spring 123.
The distance 11 between the pair of guide wheels 115 is adjusted by an adjustment nut 125 and a lock nut 126 which are screwed to the screw shaft portion 124.
8 is provided with an interval adjusting means 127 for adjusting.

Further, the intermediate member 89 of the movable frame 86
A substantially L-shaped mounting piece 128 is integrally fixed to each side of the rearward and downward direction, and a rear end of a front and rear direction rotating arm 130 is attached to a lower end of the mounting piece 128 on both sides by a support shaft 129. Are rotatably supported in the vertical direction.

Further, the cutting position of the pair of cutters 102 is regulated by the roller support shaft 131 between the front ends of the rotating arms 130 on both sides, and travels on the stump C cut by the pair of cutters 102. A driving roller 132 is rotatably mounted on a shaft.

The driving roller 132 is located between the large-diameter roller portions 133a at both ends which rotate and run on the both ridge shoulders E of the ridge D while contacting with a predetermined contact pressure, and the large-diameter roller portions 133a at both ends. And a small-diameter roller portion 133b that runs on the stump C.

An output shaft (not shown) of a hydraulic motor 134 for driving the rotation of the roller support shaft 131 is connected to one end of the roller support shaft 131, and the hydraulic motor 134 is controlled by the drive mechanism 10. The drive roller 10 is driven by an output from the drive mechanism 10 and the hydraulic motor 134 drives the drive roller.
132 is driven to rotate in the traveling direction.

Further, a left and right interlocking rod 135 is inserted between the rotating arms 130 on both sides to be axially suspended.
The lower end of a vertical operating rod 136 is rotatably mounted on one end of the connecting rod, and a connecting member 138 is rotatably mounted on the upper end of the operating rod 136 with a support shaft 137 so as to be rotatable in the vertical direction. This connector 13
In FIG. 8, one end of the adjusting screw 139 in the front-rear direction is rotatably attached in a state where it is prevented from coming off.

Further, a supporting frame 140 is integrally provided near the rear end of the frame member 88 on one side of the movable frame 86 at the other end of the adjusting screw 139.
A block-shaped screw adjuster 142 is rotatably supported by the support shafts 141 on both sides at the upper end of the shaft 0. The screw adjuster 14
Reference numeral 2 denotes a front-rearward screw cylinder fixed to the screw adjusting body 142 and rotatably screwing the other end of the adjusting screw 139 therethrough.
143.

An operating member 144 for rotating the adjusting screw 139 is integrally fixed to the adjusting screw 139 which is located at the rear end of the screw adjusting member 142 and protrudes from the screw cylinder 143. By rotating the body 144, the adjusting screw 139 is moved forward and backward with respect to the screw cylinder 143.

Then, the pivotal arms 130 on both sides, which are rotatable up and down around the support shafts 129 on both sides, the interlocking rod 135, the operating rod 136, and the support shaft 137, turn around. A movable adjusting screw 139 and this adjusting screw 139
The driving roller 132 is moved up and down by a screw adjusting body 142 having a screw cylinder 143 having a screw cylinder 143 screwed thereon, and an operating body 144 for rotating the adjusting screw 139 so that the roots of the head vegetables A of the pair of cutters 102 are moved. Roller position adjusting means 145 for adjusting the cutting position for cutting B is constituted.

Further, in the parallel links 87 on both sides, between the upper end of the other link portion 94b of the second link piece 94 and the pillar 37 on both sides, the pair of parallel links 87 is used. Cutter 102, a pair of guide wheels 115
And a biasing means 146 for biasing and holding the movable frame 86 having the driving roller 132 at a predetermined height position.

The urging means 146 is connected to the second link piece 94
A tension spring 14 comprising a coil spring stretched between the upper end of the other link portion 94b and the column 37 on both sides.
7 A pair of cutters 102, a pair of guide wheels 115, and a driving roller provided via the tension spring 147 and the parallel links 87 on both sides.
The weight balance with the movable frame 86 having 132 is maintained, and the movable frame 86 is held at a predetermined height position.

Next, the board 13 is mounted on the conveyor.
The space around the carry-out end 22 and the space behind the driver's seat 16 is configured as a finishing work section 148. This finishing work section 148 is located at the side end of the unloading end of the placing conveyor 22 and picks up each head vegetable A transported to the unloading end of the placing conveyor 22 and sequentially places it in an aligned manner. First
Work table 149 is provided.

The first work table 149 is provided with the placing conveyor described above.
A plurality of pillars 150 erected on the board 13 at the side ends of the unloading end of the stack 22, and the height of the unloading end of the placing conveyor 22 is substantially the same at each of the pillars 150. A mounting plate 151 which is horizontally supported at a height position and on which the head vegetables A are mounted in an array, and a series of fences 152 which are erected on the side and both ends of the mounting plate 151; ,have.

The finishing work section 148 is provided with a second work table 153 at the rear end of the board 13 adjacent to the first work table 149. The second worktable 153 has a plurality of columns 154 erected at the rear end of the board 13, and each of the columns 154 has substantially the same height as the mounting plate 151 of the first table 149. A mounting plate 155 which is horizontally supported at a position and which mounts each head vegetable A transferred from the mounting plate 151 described above in an aligned manner.
And a series of fences 156 erected on the rear end and both side ends of the mounting plate 155, and an adjustment worktable 157 disposed on the front side of the mounting plate 155. .

A support piece 159 is rotatably supported by a support shaft 158 in the upper part of the support column 154 on both sides so as to be rotatable in a vertical direction. A workbench 157 is mounted to be rotatable up and down,
Attachment pieces 161 protruding from both ends of this adjustment worktable 157
The engaging projections 162 protruding from both side ends of the mounting plate 155
An engagement recess 163 is formed in each of the engagement recesses 163 so as to be freely engaged with and disengaged therefrom.

During the adjusting operation for finishing the head vegetable A for shipping, the engaging projections 16 on both side ends of the mounting plate 155 are described.
2 is engaged with the engaging recesses 163 of the mounting pieces 161 at both ends of the adjustment worktable 157, so that the adjustment worktable 157 is substantially flush with the mounting plate 155 on the front side of the mounting plate 155. They are arranged horizontally on the same plane and are supported by support pieces 159 on both sides.

When the work is not performed, the engagement recesses 163 of the mounting pieces 161 on both sides of the adjusting worktable 157 are removed from the engagement projections 162 on both sides of the mounting plate 155. The support piece 159 is rotated downward about the support shaft 158, and the adjustment worktable 157 is lowered onto the board 13 by the support pieces 159 on both sides.

Further, the finishing work section 148 is located at the rear part of the driver's seat 16 and along the side end of the board 13, each head vegetable A finished for shipping at the adjusting work table 157. Work table for packing boxes in a cardboard box 164
165 are provided. Then, this third worktable 165
A cardboard box 164 packed and sealed from above is carried out to a predetermined position such as on the side of a field or on a road. The finishing work section 148 has an empty box loading space 166 in which a large number of empty cardboard boxes 164 are loaded.

Next, a support frame 167 is fixed to the conveyor frame 23 at a position near the carry-in portion of the sandwiching conveyor 21 on the endless revolving body 32.
A left and right mounting frame 168 is integrally fixed to 167,
A suspension frame 169 is attached to one end of the attachment frame 168. A connecting rod 172 in the left-right direction is attached to a holder 170 formed at the lower end of the suspension frame 169 by a plurality of bolts 171 which can be moved forward and backward by rotation so that the position can be adjusted in the left-right direction.

A support plate 173 is integrally fixed to the connecting rod 172, and an axle 174 provided at a lower end of the support plate 173 is provided.
A gage wheel 175 that runs in front of the crawler belt 3 on one side of the crawler 4 is rotatably mounted on the shaft.

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

The traveling vehicle body 1 is carried into the field, and the cutting device 84 in front of the transport device 20 provided on the traveling vehicle body 1 is moved to the head vegetable A.
Is arranged on the ridge D on which the tree is planted, and the pair of guide wheels 115 of the cutting device 84 are arranged on the ridge shoulder E. At this time, the endless track zones 3 on both sides of the crawler 4 of the traveling vehicle body 1 are on the ridge grooves on both sides of the ridge D or one endless track zone 3 is on the ridge D where the head vegetables A are harvested and the other endless track zone 3. Is head vegetable A
Is arranged on the ridge D for harvesting.

Further, the roller position adjusting means 145 is operated according to the condition of the head vegetables A planted on the ridges D, and the pair of cutters 102 of the cutting device 84 is moved by the pair of cutters 102 to the roots B of the head vegetables A. The height is adjusted to a predetermined position for cutting. That is, when the operating body 144 of the roller position adjusting means 145 is rotated, the adjusting screw 139 is rotated by the operating body 144, and the adjusting screw 139 is moved forward and backward with respect to the screw cylinder 143 of the screw adjusting body 142. The operating rod 136 is vertically moved by the adjusting screw 139 via the support shaft 137 and the connecting member 138.

At this time, the screw adjusting member 142 is rotated about the support shafts 141 on both sides of the support frame 140, and the screw adjusting member 142 is rotated.
The operating rod 136 is moved up and down while rotating via the support shaft 137 at the distal end of the adjusting screw rod 139 which moves forward and backward with respect to the second screw cylinder 143.

When the operating rod 136 is moved up and down, the operating arm 136 is driven by the operating arm 136 via the interlocking rod 135.
0 is rotated up and down about the support shafts 129 of the mounting pieces 128 on both sides of the intermediate member 89, and the drive roller 132 suspended between the rotation arms 130 on both sides is moved up and down.

When the drive roller 132 is moved upward, the parallel link 87 is supported against the tension spring 147 by the support shaft 87.
The movable frame 86 is lowered by the parallel links 87, and the pair of cutters 102 and the pair of guide wheels 115 connected to the movable frame 86 are lowered. Then, the grounding surfaces 117 of the pair of guide wheels 115 are grounded on both ridge shoulders E of the ridge D with a predetermined ground pressure, and the pair of guide wheels 115 and the driving roller 132 cause the pair of cutters 102 to form the head vegetables A. Is positioned at a predetermined position for cutting the root B of the base.

When the drive roller 132 is moved downward, the parallel link 87 is rotated about the support shafts 95 and 97 by the tensile force of the tension spring 147, and the movable frame 86 is raised by the parallel link 87. And a pair of cutters 102 and a pair of guide wheels 115 connected to the movable frame 86.
Are respectively raised. And a pair of guide wheels 11
5 is grounded on both ridge shoulders E of the ridge D at a predetermined ground pressure, and the pair of guide wheels 115 and the drive roller 132
Thus, the pair of cutters 102 is positioned at a predetermined position for cutting the root B of the head vegetable A.

Therefore, by operating the roller position adjusting means 145 according to the condition of the head vegetables A planted on the ridge D, the drive roller 132 is moved up and down, and the drive roller 132 is used to move the pair of cutters 102. Is positioned at an appropriate position for cutting the root B of the head vegetable A.

At this time, the adjusting screw 139 having the operating body 144
Is screwed into the screw cylinder 143 of the screw rod adjusting body 142 so as to be able to advance and retreat by rotation.
The vertical movement of the drive roller 132 is finely adjusted by rotating and adjusting the adjusting screw 139 at 4, and the pair of cutters 102 is reliably moved by the drive roller 132 to an appropriate position where the root B of the head vegetable A is cut. Positioned.

Further, the pair of guide wheels 11 of the roller position adjusting means 145 are adjusted according to the condition of the head vegetables A planted on the ridge D.
If it is necessary to adjust the interval 118 in FIG. 5, the lock nuts 126 of the adjustment rods 121 of the pair of guide wheels 115 are relaxed, and the adjustment nuts 125 are respectively rotated to operate the compression springs 123. The energized adjusting rods 121 are moved forward and backward, respectively, in the front-rear direction.

Then, the supporting arm 99 is
The pivoting arms 108 are respectively opened and closed around the mounting shaft 107 of the rotating arm 108, and the guide wheel 115 at the tip of the rotating arm 108 is opened and closed and rotated. Adjust the posture of A and guide the headed vegetables A to a pair of cutters 102 at appropriate intervals 11
Adjusted to 8.

That is, when the adjusting nuts 125 are respectively loosened and rotated, the adjusting rods 121 are respectively advanced forward by the compression springs 123, and the second arm of the rotating arm 108 is formed at the tip of the adjusting rods 121. The first arm 110 of the pivot arm 108 is pivoted in the closing direction about the mounting shaft 107 of the support arm 99, and the distal end of the first arm 110 is rotated. Guide wheel
115 are respectively rotated in the closing direction. Therefore, the distance between the pair of guide wheels 115 is adjusted to a relatively small distance 118.

When the adjusting nuts 125 are tightened and rotated, the adjusting rod 121 is retracted while compressing the compression spring 123, and the distal end of the adjusting rod 121 causes the second arm 111 of the rotating arm 108 to rotate. Are respectively towed, and the first arm portion 110 of the rotating arm 108 is
Are pivoted in the opening direction about the mounting shaft 107, respectively.
The guide wheels 115 at the distal end of the first arm 110 are respectively turned in the opening direction. Therefore, the distance between the pair of guide wheels 115 is adjusted to be relatively wide.

Next, the output from the drive mechanism 10 is the crawler 4, the sandwiching conveyor 21, the placing conveyor 22, and a pair of cutters.
102, the hydraulic motor 113 of the pair of guide wheels 115 and the hydraulic motor 134 of the drive roller 132 output the respective signals.
Is progressed, the pair of endlessly rotating bodies 32 of the sandwiching conveyor 21 are respectively rotated at the same speed in opposite directions, and the opposing inner circling portions 33 are rotated at the same speed backward. Then, the endless revolving belt 64 of the placing conveyor 22 is revolved rearward at the same speed as the opposed inner revolving portion 33, and the pair of guide wheels 115 are directed inward in the opposite directions at the same speed. The driving roller 132 is further driven to rotate in the traveling direction of the traveling vehicle body 1.

Then, the pair of guide wheels 115 is
Each head vegetable A in the planted state planted on the ridge D by the pair of guide wheels 115 is rotated by following the pair of guide wheels 115 so that the root B of each head vegetable A is formed by a pair of guide wheels 11.
5 while being positioned and guided in sequence between the pair of cutters 102 in the planted state while passing through the gap 118 between the heads of each of the paired cutters 102 in the planted state. A root B of A, that is, a root B composed of a plurality of lower ends of the root of each head vegetable A and a plurality of outer leaves is sequentially cut from an appropriate position.

At this time, the distance between the pair of guide wheels 115
When the root portion B of the head vegetable A is larger than 118, the head vegetable B is guided to the pair of cutters 102 while pushing the pair of guide wheels 115 open against the compression springs 123 at the root portion B of the head vegetable A, respectively. Is done.

Further, the pair of cutters 102 is
2 and a pair of cutters 102 with the large-diameter rollers 133a on both sides.
The cutting position is regulated, so that the roots B of the head vegetables A are cut by the pair of cutters 102 sequentially and reliably from an appropriate position. Further, the drive roller 132 is driven to rotate, so that the drive roller 132 rotates and advances into the soil of the ridge D without sinking too much.

The driving roller 132 has a small diameter roller portion 133b.
, The small-diameter roller portion 133b is sequentially rotated and driven on the stump C cut by the pair of cutters 102. In other words, the drive roller 132 is rotated and advanced by the small-diameter roller portion 133b while avoiding the stump C, and is rotated and advanced without being pushed up by the stump C. Therefore, the cutting position of the pair of cutters 102 fluctuates at the stump C. Is prevented.

The cutting position of the pair of cutters 102 is regulated by the pair of guide wheels 115 and the drive roller 132.
When one or both of them move up and down due to surface changes such as irregularities on the ridge D, the movable frame 86 moves up and down in parallel with the fixed frame 85 by the elastic force of the tension spring 147 and the rotation of the parallel link 87. Thus, the cutting position of the pair of cutters 102 is always regulated to an appropriate position by the pair of guide wheels 115 and the driving roller 132 of the movable frame 86.

When the transporting device 20 is moved up and down by the traveling vehicle body 1, the tension spring 147 is extended and the parallel link 87 is rotated, and the movable frame 86 is moved up and down by the parallel link 87. Therefore, even if the transfer device 20 moves up and down, the movable frame 86 does not move up and down following the up and down movement of the transfer device 20, and the pair of guide wheels 115 and the drive roller of the movable frame 86 132
Thus, the cutting position of the pair of cutters 102 is always regulated to an appropriate position, and the root portion B of the head vegetable A is reliably cut by the pair of cutters 102.

Next, when the root portion B of the headed vegetable A is guided between the pair of cutters 102 in a planted state, the headed vegetable A
Is transported into the carry-in port 34 of the pair of endlessly rotating bodies 32 of the sandwiching conveyor 21, and the ball-shaped vegetables A are sequentially held in the planted state by the inner rotating parts 33 of the pair of endlessly rotating bodies 32 facing each other. Is done.

Further, the root portion B of the head vegetable A is sequentially cut by a pair of cutters 102, and the head vegetable A from which the root portion B has been cut is connected to the inner turning portion of the pair of endless turning bodies 32. While being held in the planted state at 33, it is sequentially conveyed upward and rearward, and the lower end portion where the root portion B of the ball-shaped vegetable A is cut, that is, the cut portion, travels in the endless traveling zone 64 of the placing conveyor 22. They are sequentially loaded and placed in the loading section of the upper part 65.

Each head vegetable A is planted by the inner rotating portions 33 of the pair of endless rotating bodies 32 of the sandwiching conveyor 21 and the upper traveling portion 65 of the endless rotating belt 64 of the placing conveyor 22. The trees are sequentially conveyed toward the finishing work section 148 in a planted state. At this time, each head vegetable A is sandwiched in the planted state by the opposing inner circling portions 33 of the pair of endless circulating bodies 32, and the cut part of each head vegetable A is the endless rotation of the placing conveyor 22. Each head vegetable A is transported while being supported and transported by the upper revolving portion 65 of the traveling belt 64 without dropping, tilting greatly, or damaging the outer leaves.

[0107] Each head vegetable A is a pair of endless rotating bodies 32.
Conveyed to the unloading end of the opposing inner circling section 33, and
Horizontal portion 58 of upper traveling section 65 of endless traveling belt 64 of loading conveyor 22
b, each of these head vegetables A
Horizontal section 58b and the finishing work section 148 of the first work table 149
The head vegetables A are sequentially picked up by a worker who stands in front of the table, and these head vegetables A are placed on the mounting plate of the first work table 149.
151 are placed in order on the top.

At this time, the head vegetables A are sequentially placed on the placement plate 151 of the first work table 149 in an aligned manner.
Since the head vegetables A are prevented from being stacked on each other, damage to the outer leaves of the head vegetables A is prevented.

When a predetermined number of head vegetables A are aligned and mounted on the mounting plate 151 of the first work table 149, each head vegetable A on the mounting plate 151 of the first work table 149 is arranged. Is the finishing work section
148 are sequentially transferred and placed on the mounting plate 155 of the second worktable 153. Then, each head vegetable A on the mounting plate 155 is moved onto the adjustment work table 157 of the second work table 153, and each head vegetable V is removed on the adjustment work table 157 to remove unnecessary outer leaves and the like. And finished sequentially for shipping.

Further, the third work table of the finishing work section 148
On the adjustment worktable 157 of the second workbench 153, a predetermined number of head vegetables A finished for shipping are packed in a cardboard box 164 and sealed in a box. Then, a cardboard box 164 in which a predetermined number of head vegetables A are boxed and sealed.
Are sequentially carried out from the third workbench 165 to a field or a roadside.

Next, when the direction is changed from the outward stroke to the return stroke, the cylinder device 79 is operated to extend the rod 81 of the cylinder device 79, and the conveyor frame 23 of the sandwiching conveyor 21 is extended by the rod 81. While being pushed, the conveyor frame 23 is lifted and rotated rearward and upward by a parallel link 78 which is rotated about the front and rear support shafts 74 and 77.

When the conveyor frame 23 is lifted and rotated, the conveyor frame 58 and the cutting device 84 of the placing conveyor 22 connected to the conveyor frame 23 at the conveyor frame 23 are respectively moved rearward and upward. Lifted and turned. Then, a pair of cutters 102, a pair of guide wheels 115, and a driving roller of the cutting device 84
132 are each raised to a predetermined height position on the ridge D.

The control device 15 is operated to turn the traveling vehicle 1 with the crawler 4 so that the transporting device 20 provided with the cutting device 84 is lifted by the traveling vehicle 1 and the forward traveling stroke is maintained. The direction is changed to the return journey.

When the cylinder device 79 is operated to contract the rod 81 of the cylinder device 79, the rod 81
, The conveyor frame 23 of the sandwiching conveyor 21 is pulled, and the conveyor frame 23 is
Is turned downward and forward by a parallel link 78 which is turned around the center.

Then, the transport device 20 is returned to the state of transporting the head vegetables A, and the transport device 20 uses the pair of cutters 102 of the cutting device 84 and the pair of guide wheels.
115 and the drive roller 132 are returned to the predetermined working positions on the ridge D, respectively. Then, in the return path, as in the case of the forward path, each head vegetable A on the ridge D is cut and transported with the root B cut in the state of being sequentially planted, and is finished in the finishing work section for shipping. And sealed in a box.

As described above, by repeatedly repeating the forward and backward strokes of the traveling body 1, each head vegetable A in the planted state is successively planted in the ridge D of each row in the field while the root portion B is kept in the planted state.
The cardboard boxes 164 are cut and transported, finished in a finishing work section 148 for shipping, and sequentially boxed and sealed, and each of these cardboard boxes 164 is carried out to a field or a roadside or the like.

In the above-described embodiment, the case where the harvesting work is performed by the reciprocation process has been described.
The harvesting operation may be performed by a one-way process or a round process.

[0118]

According to the first aspect of the present invention, it is possible to cut a root portion of a head vegetable grown in a field while the head vegetable is being planted, and ship the head vegetable in a planted state. Can be conveyed toward a finishing work section or the like for finishing.

At this time, the guide wheel of the cutting device travels while rotating along the shoulder of the ridge while the traveling vehicle body is traveling, and the head vegetables on the ridge are guided to the cutter in a planted state by adjusting the posture with the guide wheel. Therefore, it is possible to reliably cut the root portion of the head vegetable with a cutter.

Further, since the cutting position of the cutter is regulated by the driving roller, the root portion of the head vegetable can be reliably cut from an appropriate position by the cutter, and the driving roller is driven to rotate. The driving roller can rotate and advance into the ridge without excessive sinking,
This drive roller can easily run on the stump cut by the cutter. In addition, the head vegetables whose roots have been cut are conveyed by the conveying device in a planted state, so that the head vegetables are carried out from the discharge end of the conveying device to a finishing work unit or the like and finished for shipping. Can be boxed and sealed.

Furthermore, since the root portion of the head vegetable can be reliably cut by the cutter of the cutting device in the planted state and can be transported by the transport device in the planted state, the cut portion of the root portion of the head vegetable is cut. The muddy soil does not adhere to the cut portion and the like, and the cut head and the like can be conveyed orderly without damaging the outer leaves, and it is possible to reliably prevent the head form of the head vegetable from becoming too small.

Therefore, since the roots of head vegetables such as Chinese cabbage can be cut off from the field by mechanical means and the head vegetables can be harvested sequentially, the work efficiency can be improved and the labor can be reduced. A harvester capable of harvesting Chinese cabbage or the like that easily damages outer leaves while preventing a decrease in commercial value can be provided.

According to the invention of claim 2, in addition to the effect of the invention of claim 1, when the transporting device is moved up and down by the traveling vehicle body, the urging means is extended and the parallel link is rotated, The movable frame is not moved up and down by the parallel link. Therefore, even if the transfer device moves up and down, the movable frame can be prevented from moving up and down following the up and down movement of the transfer device. The cutting position of the cutter can always be regulated to an appropriate position by the guide wheel and the driving roller, and the root of the head vegetable can be reliably cut by the cutter.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect, the cutter is rotatably provided on both sides and rotates at the same speed toward the inside in the opposite direction to each other. Since formed by a pair of disk-shaped cutters having cutting blades to cut the roots of the head vegetables in the peripheral part, when the head vegetables are guided in a planted state between the pair of cutters,
With the cutting blades of the pair of cutters, the root portion of the head vegetable can be reliably cut from an appropriate position.

At this time, the pair of cutters are rotated at the same speed toward the inside in the opposite direction to each other, so that the head is sent out from both sides by the cutting blades of the pair of cutters toward the conveying device. Vegetable roots can be reliably cut.

According to the invention of claim 4, in addition to the effect of the invention of claim 1 or 2, the guide wheels are rotatably provided on both sides at predetermined intervals for guiding the head vegetables, and are opposite to each other. Since it is formed by a pair of disc-shaped guide wheels that rotate at the same speed toward the inside of the direction and have a mounting surface portion on the upper surface portion for mounting the lower surface portion of the head vegetable and a ground surface on the lower surface portion, The pair of guide wheels rotates while the ground contact surface follows the ridge shoulder, and the lower surface portion of the head vegetable is placed and rotated on the placement surface portion of the upper surface portion while traveling. The head can be guided to the cutter with the posture reliably adjusted while the root portion passes through the space between the pair of guide wheels.

[0127] At this time, the pair of guide wheels are rotated at the same speed toward the inside in the opposite directions to each other, so that the mounting surfaces of the pair of guide wheels support the lower surface of the head vegetable from both sides, and The head can be guided to the cutter by adjusting the posture without twisting the head vegetables.

According to the fifth aspect of the present invention, in addition to the effect of the fourth aspect, the pair of guide wheels has the interval adjusting means for adjusting the interval for guiding the head vegetables, so that the heads planted on the ridges are provided. By adjusting the distance adjusting means according to the condition of the vegetables, the distance between the pair of guide wheels can be easily and variably adjusted to an appropriate distance for adjusting the posture of the head vegetable by the distance adjusting means.

According to the sixth aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, in addition to the effect of the first or second aspect of the present invention, the driving roller is provided with a large-diameter roller portion which rotates on the ridge shoulder and a stump cut by a cutter. And a small-diameter roller portion that rotates, so that the cutting position of the pair of cutters is regulated by the large-diameter roller portion of the driving roller, so that the root portion of the head vegetable is reliably cut from an appropriate position by the pair of cutters. it can. In addition, the small-diameter roller portion of the drive roller rotates and runs on a stump cut by a pair of cutters, and the small-diameter roller portion rotates while avoiding the stump, whereby the drive roller can be pushed up by the stump. Therefore, it is possible to reliably prevent the cutting positions of the pair of cutters from being changed at the stump.

According to the seventh aspect of the present invention, in addition to the effects of the first, second or sixth aspect of the present invention, the drive roller can adjust the cutting position of the cutter for cutting the root portion of the head vegetables. Has a roller position adjusting means for adjusting the vertical movement of the drive roller, so that the position of the driving roller is adjusted vertically by the roller position adjusting means and the driving roller is set at a predetermined position, so that the cutter is formed by the driving roller. A predetermined position for cutting the root of the vegetables can be easily adjusted and set, and the position of the cutter can be reliably regulated by the drive roller.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a head vegetable harvesting machine showing an embodiment of the present invention.

FIG. 2 is a side view of the head cropping machine;

FIG. 3 is a plan view of the same.

FIG. 4 is an enlarged plan view of the transfer device.

FIG. 5 is an enlarged side view of the cutting device.

FIG. 6 is a plan view of the same.

FIG. 7 is a front view of the same.

FIG. 8 is a perspective view of the finishing work unit.

FIG. 9 is a side view of a part of the work bench.

FIG. 10 is a side view of the head vegetable harvester, showing a state in which the transfer device having the cutting device is lifted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Traveling vehicle body 20 Conveying device 84 Cutting device 85 Fixed frame 86 Movable frame 87 Parallel link 102 Cutter 103 Cutting blade 115 Guide wheel 116 Placement surface portion 117 Ground surface 118 Guide wheel interval 127 Distance adjusting means 132 Drive roller 133a Large diameter roller 133b Small-diameter roller 145 Roller position adjusting means 146 Urging means A Headed vegetables B Roots of headed vegetables C Stump E Row shoulder

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Mikio Kanemitsu 1-40-2 Nisshin-cho, Omiya City, Saitama Prefecture Inside the Research Institute for Biological Sciences (72) Inventor Tomohiko Ota 1-1-40 Nisshin-cho, Omiya City, Saitama Prefecture Address 2 Within the Organization for Promotion of Research on Specified Industrial Technology for Biological Sciences (72) Inventor Keizo Kato 64 Ishizu-Kitacho, Sakai City, Osaka Prefecture Inside Kubota Sakai Works (72) Inventor Kazumasa Miyamoto Maruko-cho, Nagano Prefecture 5155 Matsuyama Corporation (72) Inventor Minoru Hiramoto 5155 Shiokawa, Maruko-cho, Nagano Prefecture, Nagano Prefecture Matsuyama Corporation

Claims (7)

[Claims] 1. A traveling vehicle body, a cutting device provided in front of the traveling vehicle body and cutting a root portion of the head vegetable in a planted state, and the cutting device provided on the traveling vehicle body. A transport device that transports, in a planted state, the head vegetables whose roots have been cut by the device, wherein the cutting device is a cutter that cuts the roots of the head vegetables, and is positioned in front of the cutter and rotates. A guide wheel that is freely provided and rotates following the shoulders on which the head vegetables are planted, adjusts the posture of the head vegetables, and guides the head vegetables to the cutter. And a driving roller provided to regulate a cutting position of the cutter. 2. A cutting device comprising: a fixed frame fixed to a transfer device; a movable frame disposed below the fixed frame and provided with a cutter, a guide wheel and a driving roller; and the movable frame mounted on the fixed frame. The head vegetable harvester according to claim 1, further comprising: a rotatable parallel link that is vertically movably mounted; and urging means that constantly urges and supports the movable frame at a predetermined position. 3. A pair of disk-shaped cutters rotatably provided on both side portions and rotating at the same speed inward in opposite directions to each other and having cutting blades at their respective peripheral portions for cutting roots of head vegetables. The head cropping machine according to claim 1, wherein the head is formed by a cutter. 4. A guide wheel is provided at both sides thereof at a predetermined interval for guiding a head vegetable, and is rotatably provided. The guide wheel rotates at the same speed inward in opposite directions to each other, and has a lower surface of the head vegetable on an upper surface part. 3. The head vegetable harvester according to claim 1 or 2, wherein the head vegetable harvester is formed of a pair of disc-shaped guide wheels having a mounting surface portion on which the portion is mounted and a ground surface on a lower surface portion. 5. The head-cropped vegetable harvesting machine according to claim 4, wherein the pair of guide wheels have an interval adjusting means for adjusting an interval for guiding the head-grown vegetables. 6. The drive roller according to claim 1, wherein the drive roller has a large-diameter roller portion that runs on a ridge shoulder and a small-diameter roller portion that runs on a stump cut by a cutter. Or the head cropper according to 2 above. 7. The drive roller according to claim 1, wherein the drive roller has a roller position adjusting means for vertically adjusting a position of the drive roller so as to adjust a cutting position of a cutter for cutting a root portion of a head vegetable. 7. The head vegetable harvester according to 2 or 6.