JP7234804B2 - vegetable harvester - Google Patents

Description

TECHNICAL FIELD The present invention relates to a vegetable harvester that pulls out and harvests vegetables growing in a field.

As a vegetable harvester, there is a riding-type vegetable harvester described in Patent Document 1.

This ride-on vegetable harvester is operated by a single operator who drives the machine through the field and pulls out the vegetables with the pull-out conveyer and conveys them backwards. The vegetables are sorted and bagged, and when the bags are full, they are unloaded to the field and harvested.

JP-A-2005-333917

The harvesting bag, which is filled with harvested vegetables, is suspended and held on the machine. When the harvesting bag is full of vegetables, it weighs about 100 kg. Work becomes heavy labor.

For this reason, an object of the present invention is to facilitate the removal of a harvesting bag filled with vegetables extracted from a field, thereby reducing the labor required for harvesting.

The above problems of the present invention are solved by the following technical means.

A first aspect of the present invention is
The vegetables pulled out in the harvesting section (5) are sent to the sorting belt (6b) of the sorting section (6) at the rear of the machine body, and placed in the storage bag (B) suspended at the storage section (7) located on the side of the machine body. In a vegetable harvesting machine having a bag support (22) on which the bag is packed and the containing bag (B) is placed,
A hanging arm (15) extending from the support frame (19) of the sorting belt (6b) is provided with a hanger (16) shaped like a letter when viewed from the side,
A hook rod (9) having a hook portion (9a) curved in a loop shape at the bottom and a handle (9b) formed at the top is rotated on the support shafts (18) at both ends of the hanger (16). Possibly pivoted,
The storage bag (B) is hung on the hook portion 9a,
The tip of the hook (9a) is rotatable by a handle (9b) from a substantially horizontal position to an upward holding position,
A bag support base (22) on which a storage bag (B) is placed is laid down in a field to slide down the storage bag (B), and the bag support base (22) is composed of a front bag support base (22a) and a rear bag support base (22a). (22b), which are pivotally supported on a horizontal axis, and the front bag support (22a) can be tilted forward and downward, and the rear bag support (22b) can be tilted backward. It is a vegetable harvester that
A second aspect of the present invention is
The vegetable harvesting machine according to the first aspect of the present invention is characterized in that the hooking portion (9a) of the hook rod (9) is provided with a leading end directed toward the inside of the containing bag (B).
A first invention related to the present invention is a vegetable harvesting machine that sends vegetables picked by a harvesting section 5 to a sorting section 6 at the rear part of the machine body and packs them in a storage bag B suspended in a storage section 7. In the vegetable harvesting machine, the storage bag B is hung. The vegetable harvesting machine is characterized in that a hook rod 9 is provided on a hanger 16, and a hooking part 9a of the hooking part 9a is rotatably provided by a handle 9b from a substantially horizontal hooking position to an upward holding position. .

A second invention related to the present invention is characterized in that the hook rod 9 is pivotally supported on the hanger 16 by the support shaft 18 by an unstable support mechanism that urges the hook rod 9 to the hooking position and the holding position. The vegetable harvesting machine of the first invention .

A third invention related to the present invention is characterized in that the hook rod 9 closes the tip by contacting the tip of the hook portion 9a to the hanger 16 at the holding position. A vegetable harvester.

A fourth invention related to the present invention is a vegetable harvesting machine according to the first invention related to the present invention, characterized in that the hooking portion 9a of the hook rod 9 is formed in an arc shape centering on the support shaft 18. and

A fifth invention related to the present invention is characterized in that hook rods 9 for hanging the four corners of the storage bag B are provided, and hooking portions 9a of the respective hook rods 9 are provided toward the inside of the storage bag B. A first aspect of the invention related to the present invention is a vegetable harvester.

In the present invention, since the hook rod 9 is rotated by the handle 9b, attachment and detachment are facilitated. Also, the harvesting work becomes easier.
In the first invention related to the present invention , the storage bag B to be hung on the storage portion 7 is suspended at the hooking position where the tip of the hooking portion 9a of the hook rod 9 provided on the hanger 16 is substantially horizontal. It is hooked on a tool and rotated by a handle 9b to a holding position in which the tip of the hook is directed upward.

In the second invention related to the present invention, in addition to the effects of the first invention related to the present invention , since the hook rod 9 switches between the hooking position and the holding position by the unstable support mechanism, the storage bag B can be pulled. Reliable switching between the hanging position and the holding position.

In the third invention related to the present invention, in addition to the effects of the first invention related to the present invention , the hooking part 9a of the hook rod 9 contacts the hanger 16 and closes the tip part, so that the storage bag B is securely held and does not come off even if the aircraft shakes.

In the fourth invention related to the present invention, in addition to the effects of the first invention related to the present invention , the hook portion 9a of the hanger 16 can be easily rotated around the support shaft 18, so that it can be accommodated by the handle 9b. The attachment and detachment operations of the bag B can be performed lightly.

In the fifth invention related to the present invention, in addition to the effects of the first invention related to the present invention , when vegetables are packed in a storage bag B suspended at the four corners by hook rods 9, the mouth of the bag widens. However, since the hook portion 9a faces inward, it will not come off carelessly.

1 is a right side view of a vegetable harvester according to an embodiment of the present invention; FIG. It is a left side view of the same vegetable harvester. It is a top view of the same vegetable harvester. It is a rear view of the same vegetable harvester. It is an expansion perspective view of the accommodating part of the same vegetable harvester. It is an enlarged plan view of a hanger of the same vegetable harvester. It is an enlarged right side view of the foliage processing device of the same vegetable harvester. It is a top view of the foliage conveying belt of the same vegetable harvester. It is a sectional side view of the driven pulley of the same vegetable harvester. It is a sectional side view of the shoulder alignment belt of the same vegetable harvester. It is a top view of the shoulder alignment belt of the same vegetable harvester. It is a sectional side view of the cutting blade attachment part of the same vegetable harvester. It is a detailed left side view of the same vegetable harvester. It is a detailed left side view of the same vegetable harvester.

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described in detail below with reference to the drawings.

Left and right side views of a vegetable harvesting machine according to a configuration example of the present invention are shown in FIGS. 1 and 2, respectively. 3 is a plan view of the vegetable harvester, and FIG. 4 is a rear view thereof. 1, 2, 3, and 4, a vegetable harvester 1 has a vehicle body 2 supported by a traveling device 3 composed of left and right crawlers 3L, 3R, etc., and a control section 4 for traveling and operating equipment. It is composed of a harvesting unit 5 for harvesting root crops growing in a field, a sorting unit 6 for sorting the harvested crops, a storage unit 7 for storing the sorted crops, and the like.

The harvesting unit 5 is provided with a pair of left and right lifting conveyor belts 12, 12 for conveying the root vegetable main body in a suspended state while holding the foliage of the crop to the rear side upward and lifting it from the field. A raising device 11 for raising leaf parts of root vegetables is arranged on the front side of 12, 12, and root vegetables are received from the raising conveying belts 12, 12 at the rear of the raising conveying belts 12, 12 and the foliage parts are cut. A device 13 is provided. Also provided is a residual leaf processing device 14 or the like for receiving the root vegetable main body portion that has been cut and separated from the foliage portion and falling and removing the foliage remaining on the root vegetable main body side.

As shown in the plan view of FIG. 3, the vegetable harvester 1 has a harvesting section 5 consisting of lifting conveyor belts 12, 12 on the left side of the machine body, and a harvested crop on the right side of the machine body. and a bag support base 22 on which a plurality of storage bags B containing crops can be placed along the longitudinal direction of the machine body.

A sorting section 6 is provided between the harvesting section 5 and the storage section 7 . Regarding the sorting unit 6, a sorting belt 6b is provided so that the bottom of the foliage processing device 13 is on the sorting start side, the upper side of the storage unit 7 is on the conveying end side, and the rear part of the machine body extends in the left and right direction in plan view of the machine body. The sorting belt 6b is configured to be inclined so as to rise from the transport start side to the transport end side, and a part of the transport part is substantially flat or gently sloping so that the operator can sort out defective crops. It constitutes a defective crop sorting unit 6p. The defective crop sorting unit 6p is located immediately behind the driver's seat 4s of the control unit 4. While the operator operates the vegetable harvester, the defective crop sorting unit 6p sorts out defective crops from the harvested crops flowing on the sorting belt 6b. It is configured so that it can be sorted and removed manually.

A sorting belt stop button 6c is arranged between the sorting belt 6b and the driver's seat 4s. For example, when the storage bag B is full of crops, the operator can press the stop button 6c to stop the sorting belt 6b. It is configured so that

By configuring the sorting belt 6b as described above, the operator in the cockpit 4s can operate the vegetable harvester and remove defective crops in the defective crop sorting section 6p with one hand.

An auxiliary seat 6s on which an auxiliary worker who removes defective crops sits is provided behind the defective crop sorting section 6p.

As shown in FIG. 5, the storage unit 7 has hanging arms 15 extending rightward from supporting frames 19, 19 of the sorting belt 6b, and hangers 16, 16 shaped like a letter "F" in a side view are attached to the ends of the arms 15, 15 by support shafts 17. pivotal.

As shown in FIG. 6, the hanger 16 has a hook rod 9 formed at its lower portion with a loop-shaped curved hook portion 9a and at its upper portion with a handle 9b extending straight. The tension spring 10 constitutes an unstable switching mechanism in which the hooking portion 9a of the hook rod 9 switches between a hanging position in which the hooking portion 9a faces the inside of the storage bag B substantially horizontally and a hanging position in which the hanging position faces upward. That is, the hooking portion 9a of the hook rod 9 is biased and held at a holding position where the tip contacts the hanger 16 and is closed, and a hanging position where the hooking portion 9a opens substantially horizontally and faces inward.

When the hook portion 9a is in the hanging position, the handle string of the storage bag B is hooked on the hook portion 9a, and when the handle 9b is turned outward, the hook portion 9a rotates and comes into contact with the hanger 16 to close the loop portion. to firmly hold the storage bag B.

As shown in FIG. 13, a flat bag support base 22 for supporting the bottom of the storage bag B is provided below the hanger 16 . Figure 14 is a detailed left side view of the vegetable harvester.

The bag support base 22 is divided into two parts, a front bag support base 22a and a rear bag support base 22b. The bag support base 22b can be tilted rearward and downward.

The right crawler 3R on the side where the bag support table 22 is provided constitutes an elevating mechanism for pushing up the vehicle body 2, and when unloading the storage bag B onto the farm field, the right roller 3R is lowered to lower the right side of the vehicle body 2 to lower the bag support table 22. is brought closer to the field, the traveling device 3 is moved forward or backward, and the right side of the vehicle body 2 is raised to the normal position and returned to the same support height as the left crawler 3L. By doing so, the front bag support base 22a or the rear bag support base 22b is tilted to slide the storage bag B to reduce the drop when the storage bag B is lowered into the field, thereby mitigating the impact on the ground and preventing the vegetables from being damaged. become.

The control section 4 is provided with a support base operating lever 25 for controlling the forward and backward inclination of the bag support base 22 so that the front bag support base 22a and the rear bag support base 22b can be respectively tilted. The support base operation lever 25 is switched to tilt the front bag support base 22a and the rear bag support base 22b. An alarm will sound, and you will not ascend or incline above horizontal. When the support table operating lever 25 is set to the neutral position, it does not operate even if a separately provided lifting switch is turned on. When you release the up/down switch, the indicator light that had been turned off lights up to indicate that it is possible to move again. In addition, it is preferable to notify the movement of the bag support base 22 which moves up and down by voice. In addition, the front bag support base 22a and the rear bag support base 22b are set horizontally, and the bags are stored along the sides of the machine body while standing upright with the vehicle body 2 side as the center.

A driving unit for mounting an engine is provided between the harvesting unit 5 and the driver's seat 4s, and a driving unit cover 20 covers the upper part of the driving unit. The driving cover 20 has a front cover attached to a fixed rear cover by a hinge so as to be openable and closable, and the front cover is held upright so that the inside can be opened so that the battery can be replaced and transmission oil can be supplied. The front cover is provided with a handle for opening and closing, and when closed, it is attracted to the rear cover by a magnet.

An open knob is provided on the front cover, and when the open knob is unlocked, the message "Please turn off the main key to turn off the power" is emitted, the engine is automatically stopped, and the belt drive of each part is stopped. By doing so, safety during maintenance can be ensured.

A microphone for recognizing the voice registered by the operator is provided in the operation unit 4, and by uttering "raise right", "lower right", "horizontal", etc., the right side of the vehicle body 2 can be controlled to move up and down. is good.

During the harvesting operation of the vegetable harvesting machine 1 having the above configuration, an auxiliary worker who performs sorting work in the sorting section 6 puts the harvested crops into the storage bag B suspended from the hanger 16, and when the storage bag B becomes full. The traveling device 3 is stopped, the handle 9b of the hook rod 9 is turned, the handle string of the storage bag B is removed from the hook portion 9a, and the storage bag B is moved onto the front bag support base 22a.

Next, the auxiliary worker sets the empty second storage bag B on the hook rod 9 of the hanger 16, so that the harvesting operation can be continued. When the second storage bag B is also full, the handle string of the second storage bag B is removed from the hook rod 9 of the hanger 16 and placed on the rear bag support base 22b.

When there is no more space for placing the bag B on the bag support base 22, the bag B is lowered onto the farm field. to lower the storage bag B to the front side of the machine, and to move forward further in the middle part of the field and continue the harvesting work, the rear bag support base 22b is tilted rearward and downward to lower the storage bag B to the rear side of the machine. By doing so, the next harvesting operation can be performed by moving the aircraft forward as it is.

Next, the foliage processing device 13 will be described.

As shown in the enlarged side view of FIG. 7, the foliage processing device 13 is configured around foliage conveying belts 41, 41 that take over the crops from the hoisting conveying belts 12, 12 and convey them to the cutting blades 42, 42, and the ends thereof. Shoulder alignment belts 43, 43 are arranged directly below, and foliage holding belts 44, 44 are arranged above.

As shown in the plan view of FIG. 8, the foliage conveying belts 41, 41 are stretched between driving pulleys 51, 51 arranged at the rear ends and driven pulleys 52, 52 arranged at the front ends, and idlers are provided at opposing positions. 41a, 41a are arranged. The driven pulleys 52, 52 change the positions of their support shafts 53, 53 at least on the outside of the machine body, and configure the tips of the foliage conveying belts 41, 41 so that they can be opened and closed. As shown in the enlarged cross-sectional view of FIG. 9, the driven pulley 52 is configured so that a support shaft 53 passes through a frame 54 and protrudes downward through a collar 55 and the shaft end is fixed with a nut 56 . The frame 54 is formed with elongated holes extending over the movement ranges 53 a and 53 b of the support shaft 53 .

By changing the position of the driven pulleys 52, 52, the tips of the foliage conveying belts 41, 41 can be adjusted to open and close. can be changed. In this embodiment, the positions of the driven pulleys 52, 52 are changed by operating the nut 56 from below the foliage processing device 13. The arrangement of the foliage holding belts 44, 44 is difficult, but it can be easily operated from the open space below.

The shoulder aligning belts 43, 43 are constructed so that the working portions can be adjusted to be opened and closed, and by closing the gap between the opposing belts, it is possible to prevent the carrots from falling when digging the frosted carrots. For example, the shoulder aligning belts 43, 43, as shown in plan and side views of FIGS. A belt holding plate 63 for feeding the belt is integrally formed and fixed to the frame 54 so as to be adjustable inwardly, and a tensioner 64 secures the belt tension.

FIG. 12 is a side cross-sectional view showing the attachment of the cutting blade 42. The blade attachment flange 47 is fitted to the spline shaft portion 46b of the blade shaft 46 pivotally supported by the foliage conveying frame 45, and the screw portion 46a of the blade shaft 46 is fitted. The upper and lower positions of the cutting blade 42 can be adjusted by a presser nut 49 to be screwed. The ball 35 of the presser nut 49 fits into the engagement groove of the mounting flange 47 to determine the vertical position with respect to the blade shaft 46 . In addition, by transmitting power to the blade shaft 46 through a drive gear 50 with a one-way clutch, the cutting blade 42 is rotated by inertia force even if the power is stopped.

B Receiving bag 5 Harvesting part 6 Sorting part 7 Receiving part 9 Hook rod 9a Hooking part 9b Handle 16 Hanger 18 Spindle

Claims (2)

The vegetables picked by the harvesting section ( 5 ) are sent to the sorting belt (6b) of the sorting section (6) at the rear of the machine body, and placed in the storage bag (B) suspended at the storage section (7) located on the side of the machine body. In a vegetable harvesting machine having a bag support (22) on which the bag is packed and the containing bag (B) is placed ,
A hanging arm (15) extending from the support frame (19) of the sorting belt (6b) is provided with a hanger (16) shaped like a letter when viewed from the side,
A hook rod (9) having a hook portion (9a) curved in a loop shape at the bottom and a handle (9b) formed at the top is rotated on the support shafts (18) at both ends of the hanger (16). Possibly pivoted,
The storage bag (B) is hung on the hook portion 9a,
The tip of the hook (9a) is rotatable by a handle (9b) from a substantially horizontal position to an upward holding position,
A bag support base (22) on which a storage bag (B) is placed is laid down in a field to slide down the storage bag (B), and the bag support base (22) is composed of a front bag support base (22a) and a rear bag support base (22a). (22b), which are pivotally supported on a horizontal axis, and the front bag support (22a) can be tilted forward and downward, and the rear bag support (22b) can be tilted backward. vegetable harvester. 2. The vegetable harvesting machine according to claim 1, wherein the tip of the hook portion (9a) of the hook rod (9 ) is provided toward the inside of the storage bag (B).

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