JPH0884508A - Vegetable controlling work vehicle - Google Patents

Abstract

PURPOSE: To provide a vegetable controlling work vehicle having a lifting connection mechanism and a portal machine frame extending between a pair of right and left traveling parts and capable of performing multi-purpose works by extending or contracting the lateral width between the machine frame and the connection mechanism, thereby adjusting the distance between the right and left traveling parts in the case of working on a field having different row- spacings. CONSTITUTION: The lateral distance between the middle part of a portal machine frame 2 extending over a pair of right and left traveling parts 1, 1 and the middle part of a lifting connection mechanism 5 placed in front or at the back of the portal machine frame is made to be slidably adjustable. Various works such as harvesting and delivery of root crops, loading and transportation of compost and fertilizer, etc., in addition to the spray of agrochemicals by a spraying nozzle can be performed in satisfactory state independent of row-spacing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vegetable management work vehicle.

[0002]

2. Description of the Related Art Conventionally, for example, root vegetables such as onions have ridges formed in a field and are cultivated one by one at intervals on the ridges.

Then, as management work in the cultivation process, root crops are sprayed with a controlling agent or the like.

[0004]

However, in the above-mentioned spraying operation of the chemical liquid, it is the actual situation that the worker carries the chemical liquid sprayer on his / her back and sprays while walking, and the chemical liquid spraying work is a heavy labor. Besides, it was troublesome.

[0005]

In view of the above, according to the present invention, a portal machine frame is straddled between a pair of left and right running parts, and a prime mover part and a driving part are provided on either the left or right running parts. And construct a self-propelled vehicle body, and either one of the front and rear parts of the gate type machine frame,
Equipped with an elevating and lowering connecting mechanism for connecting various working machines so that they can be moved up and down, and the middle part of the portal machine frame and the middle part of the elevating and lowering mechanism can be slid and adjusted in the lateral direction. It intends to provide a vegetable management work vehicle.

The present invention is also characterized in that the horizontal machine frame forming body of the gate type machine frame is used as a cargo bed.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 5 shows a vegetable management work vehicle according to the present invention. The vegetable management work vehicle A straddles a gate type machine frame 2 between a pair of left and right traveling parts 1, 1. A moving body 1 is mounted on the right-side traveling unit 1 to form a movable vehicle body, and a lift for connecting various work machines to the rear portion of the gate-shaped machine frame 2 so as to be vertically movable. The connector frame 5 is attached.

Each traveling unit 1 is, as shown in FIGS.
A driving wheel 11 and an idler wheel 12 are axially supported at the front end and the rear end of a traveling frame 10 extending in the front-rear direction, and a crawler belt 13 is wound between the driving wheel 11 and the idler wheel 12 for traveling. flame
Four rolling wheels 14 are attached in the middle of 10.

At a position directly above each traveling unit 1, as shown in FIG.
As shown in FIG. 2, a support plate 15 extending frontward and rearward is arranged, and the support plate 15 is attached to the traveling frame 10 via front and rear stays 16 and 17.

Further, the left and right support plates 15 and 15 are shown in FIGS.
As shown in FIG. 3, the casters 20, 20 are respectively provided at the front end portions.
The leaf guard cover bodies 21 and 21 are vertically placed so as to be located between the casters 20 and 20 and the front ends of the traveling portions 1 and 1, and the leaf guard cover bodies 21 and 21 are As shown in FIG. 9, it is convex toward the front and bent in a semi-circular shape in plan view so as to hang down from the support plate 15, and the lower end 21a is castered as shown in FIG.
It extends to the imaginary line K connecting the lower end of 20 and the front end of the ground contact portion of the crawler belt 13. 21c is a mounting bracket, and 21d is a bolt insertion hole.

In this way, the leaf-cover cover bodies 21, 21 push up the leaves of the vegetables on the furrows extending to the furrows in the state of being lifted up to the furrows, whereby the running parts 1, 1 are operated to remove the vegetables. We try to prevent problems such as trampling the leaves and damaging them.

Further, as shown in FIG. 1, a prime mover section 3 is arranged in the front part on the right side support plate 15, and the prime mover section 3 is covered with a prime mover section cover body 31. Part 3
Is equipped with an engine 25 in front of the support plate 15.
Place the mission section 26 immediately after the 25
The drive belt 27 is wound around the output shaft 25a of the transmission unit 25 and the input shaft 26a of the transmission unit 26 via the pulleys 28 and 29, and the output shaft 26b of the transmission unit 26 and the drive shaft 11a of the drive wheel 11 of the traveling unit 1 are wound.
And a hydraulic pump 32 at the front position on the prime mover cover 31, and an input shaft 32a of the hydraulic pump 32 and an output shaft 25a of the engine 25. The hydraulic pump transmission belt 92 is wound between the pulleys 93 and 94 between the two parts, and the dynamic injection pump 95 is provided at the rear position on the prime mover cover 31, and the input shaft 95a of the dynamic injection pump 95 and the hydraulic pump A dynamic injection pump transmission belt 96 is wound around the 32 input shafts 32a via pulleys 97 and 98, and the transmission belt 96 is tensioned and loosened by a tension clutch arm 99.
The tension clutch arm 99 can be operated by the tension clutch lever 100. 99a is a tension roller.

The hydraulic pump 32 supplies pressure oil to the horizontal width adjusting cylinder 49 and the lifting cylinders 64, 64, which will be described later, so that the cylinders 49, 64, 64 can be expanded and contracted. ing.

As shown in FIGS. 1 to 4, the operation unit 4 is provided with an operation panel 35 immediately behind the mission unit 26, various operation levers are attached to the operation panel 35, and immediately after the operation panel 35. A seat 41 is attached to a side position via a seat support frame 42.
36a is a left side clutch lever, 36b is a right side clutch lever, 36c is a traveling clutch lever, 36d is a sub speed change lever, 36e is a left side clutch pedal, 36f is a right side clutch pedal, and 36g is a lifting / lowering machine frame 5. An elevating operation lever for operation, 36h is a starter switch.

The gate type machine frame 2 is, as shown in FIGS.
A pair of left and right vertical machine frame forming bodies 45, 45 are erected on a pair of left and right support plates 15, 15, and a horizontal machine frame forming body 46 is horizontally installed between the upper ends of both vertical machine frame forming bodies 45, 45. The horizontal machine frame forming body 46 is divided into a left forming portion 47 and a right forming portion 48, and a pair of front and rear slides extending in the left-right width direction are formed on the left forming portion 47. While the horizontal pipes 47a, 47a are provided, a pair of front and rear slide horizontal pipes 48a, 48a extending in the left-right width direction are also provided in the right side forming portion 48, and the slide horizontal pipes 48a, 47a are provided inside the slide horizontal pipes 48a, 47a. 48a is slidably arranged in parallel, and between the left and right side forming portions 47, 48, a horizontal width adjusting cylinder 49 with its axis lined in the left-right width direction and a transmission rod 50 formed to extend and contract are horizontally installed. It is installed in a shape.

Then, one end of the transmission rod 50 is interlockingly connected to the mission section 26 disposed on the right side traveling section 1 in the right vertical machine frame forming body 45, while the transmission section transmission of the left side traveling section 1 is performed. The other end of the transmission rod 50 is attached to the mechanism 30 and the vertical machine frame forming body on the left side is formed.
By interlocking connection within 45, the left and right running parts 1 and 1 can be driven simultaneously.

In this way, when adjusting the left and right widths of the left and right running parts 1 and 1 traveling across the ridges and the like in the field according to the ridge width and the like, the left and right width adjusting cylinder 49 is extended and contracted. By doing so, the left side forming portion 47 and the right side forming portion of the portal machine frame 2
48 and 48 are slid in the left-right width direction so that the left-right traveling portions 1 and 1 can be adjusted in the left-right space.

At this time, since the transmission rod 50 is formed to be expandable and contractible, it is possible to ensure good driving of the left and right traveling parts 1, 1.

Further, in the left side forming portion 47, as shown in FIGS. 3 to 5, between the left and right side portions and the central portion of the pair of front and rear slide lateral tubes 47a, 47a, three extending in the front and rear direction, respectively. Reinforcement frames 47b, 47b, 47b with mounting brackets 47c, 47c, 47
It is mounted laterally via c, and locking means 80, 80 for removably locking the tank support frame 75, etc., which will be described later, are attached to the front and rear ends of the central reinforcing frame 47b. 80,80
Are formed on the front and rear portions of the reinforcing frame 47b in the vertical direction with locking projection insertion holes 81, 81.
Attach the locking pins 82, 82 to the position directly below 1 with the pin support bracket.
The lock pins 82, 82 are elastically biased in the leftward advancing direction by springs 84, 84 while being mounted so as to be slidable forward and backward in the left-right width direction via 83, 83 respectively. 82a is a lever for operating the locking pin 82 backward.

In this way, the levers 82a, 82a are pulled to the right, the locking pins 82, 82 are slid back to the right against the bias of the springs 84, 84, and then locked. Projecting piece insertion slot
Insert the locking projection into 81, 81 and then levers 82a, 82
By releasing the pull of a, that is, by releasing the hand, by inserting the locking pins 82, 82 by the springs 84, 84 into the pin insertion holes formed in the locking projections, respectively,
The locking projection can be locked.

As shown in FIGS. 1 to 6, the lifting and lowering connecting mechanism 5 includes a pair of upper and lower parallel arms 60, 60, at the rear end of the left and right vertical machine frame forming bodies 45, 45 of the portal machine frame 2. The front ends of the 60,60 are pivotally supported by supporting shafts 61,61,61,61 whose axial lines are oriented in the left-right width direction, and the rear end side portions of the parallel arms 60,60,60,60 are linked.
Upper parallel arm 6 connected by 2,62 and facing left and right
Between the front and rear parts of 0 and 60, the connecting bodies 63 and 63 each having a double tube structure that can be expanded and contracted in the left-right width direction are installed horizontally, and the front end side of the upper parallel arm and the horizontal machine frame forming body 46 Elevating cylinders 64, 64 are respectively provided between the left and right side portions of the. 6
5 and 66 are cylinder connecting brackets, respectively.

As shown in FIGS. 4 and 5, a pair of front and rear guide rollers 67, 67, 67, 67 are mounted on the rear ends of the upper parallel arms 60, 60 via mounting brackets 68, 68, respectively. While installing, at the rear end of the lower parallel arm 60,60,
Install a pair of upper and lower guide rollers 69, 69, 69, 69 via the mounting brackets 70, 70, respectively.
It is possible to attach the support frame of various work machines between 7,69 and 69 respectively.

In this way, the elevating and lowering connecting mechanism 5 causes the parallel arms 60, 60, 60, 60 to move up and down about the support shafts 61, 61, 61, 61 by expanding and contracting the elevating cylinders 64, 64. It is possible to move up and down, and the left and right side traveling parts 1, 1 are adjusted in the left and right width so that the left side forming part 47 and the right side forming part 48 of the portal machine frame 2 can be moved.
When the space between and is changed in the left-right width direction,
The parallel arms 60, 60, 63 are designed so that the 63, 63 can freely expand and contract in the left-right width direction to ensure good lifting function.
At the rear end of 60,60, attach various working machines such as chemical spray nozzles for pest control, working machines with planting, working machines for tillage, etc.
Various kinds of work can be performed appropriately.

FIG. 6 and FIG. 7 show a usage pattern in which the vegetable management work vehicle A is used as a pest control work vehicle.
A support frame 79 is attached to the rear end of the 60, 60, 60, 60 guide roller 6
7, 67, 69, 69, and a nozzle support frame 71 extending in the left-right width direction is attached to the support frame 79. A pair of left and right nozzle support arms 72 are attached to the left and right end portions of the nozzle support frame 71, respectively. The base ends of the nozzles 72 and 72 are foldable, and the nozzle support arms 72 and 72 can be folded and stored in two stages to allow storage, and a horizontally extended use position and a flip-up position after folding. The nozzle support arms 72, 72 and the nozzle support frame 71 are each provided with a plurality of chemical solution spraying nozzles 73 via nozzle mounting brackets 74. Reference numeral 79a is a gate frame, 72a, 72b and 72c are bent portions, and 78 is an arm supporting wire.

Moreover, as shown in FIG. 6, the tank supporting frame 75 is detachably locked and placed on the horizontal machine frame forming body 46 of the gate type machine frame 2 by the locking means 80, 80. , The tank support frame
Two chemical solution tanks 76, 76 extending in the left-right width direction are placed on the 75 in parallel with each other. 77 is a tank fixing belt.

Here, a chemical liquid tank extending in the left-right width direction
Inside the 76, a buffer wall (not shown) for buffering the flow of the chemical liquid in the lateral width direction due to the rolling of the vehicle body is provided.
The stability of the car body is kept good.

Further, the suction port of the dynamic injection pump 32 is connected to the chemical liquid tanks 76, 76 through a suction pipe (not shown), and the chemical liquid spray nozzle 73 is connected to the discharge port of the dynamic injection pump 95.
Are communicated and connected via a pressure feed pipe (not shown).

In this way, the engine 25 drives the dynamic injection pump 95 via the hydraulic pump transmission belt 92 and the dynamic injection pump transmission belt 96, whereby the chemical liquid tanks 76, 7
6 → Suction pipe → Dynamic injection pump 95 → Pressurizing pipe → Chemical liquid spray nozzle 73 to spray chemical liquid.

At this time, a pair of left and right nozzle support arms 72, 7
By changing the positions of the 2's to the horizontally overhanging use positions, it is possible to spray the chemical liquid while traveling the vehicle body over a wide range in the left-right width direction.

Moreover, the above-ground height of the chemical spray nozzle 73 can be set to a desired height by vertically moving the parallel arms 60, 60, 60, 60, and the chemical spray can be reliably and efficiently sprayed. You can work.

FIG. 8 shows a luggage carrier 90 which can be detachably locked and mounted on the horizontal machine frame forming body 46 of the portal machine frame 2.
The loading platform 90 has locking projections 90b, 90b formed at the front and rear central portions of the loading platform body 90a, and pin insertion holes 90c, 90c opened in the left-right width direction on the locking projections 90b, 90b, respectively. On the other hand, a pair of front and rear rolling wheels 90e, 90e are attached to the right side portion of the luggage carrier body 90a via a stay 90d extending in the front-rear direction. The slide lateral tubes 48a, 48a are brought into contact with the upper surfaces of the tubes to roll.

In this way, the levers 82a, 82a provided on the locking means 80, 80 of the horizontal machine frame forming body 46 are pulled to the right, and the locking pins 82, 82 are biased by the springs 84, 84. After sliding backward to the right against the locking projections, insert the locking projections 90b, 90b into the locking projection insertion openings 81, 81, and then release the levers 82a, 82a. When you release your hand, the springs 84, 84 engage the locking pins 82, 82 respectively.
By inserting into the pin insertion holes 90c, 90c formed in 90b, 90b, the locking projections 90b, 90b are locked and the loading platform 90 can be fixed.

At this time, the rolling wheels 90 mounted on the loading platform body 90a
Since the e and 90e are in contact with the upper surfaces of the slide horizontal tubes 48a and 48a of the horizontal machine frame forming body 46, the space between the left side forming portion 47 and the right side forming portion 48 of the portal machine frame 2 is wide in the left-right width direction. When the horizontal slide tubes 48a, 48a slide in the left-right width direction when the expansion / contraction is changed, the rolling wheels 90e, 90e roll to enable the loading platform 90 to be held in a horizontal posture. Thus, the harvested crops and the like placed on the platform 90 can be reliably transported.

[0035]

According to the present invention, the following effects can be obtained.

That is, various working machines, for example, chemical spray nozzles can be attached to the lifting connection mechanism mounted on the vehicle body, and the chemical liquid can be sprayed from the chemical spray nozzles while the vehicle body travels in the field.

At this time, the midway portion of the gate type machine frame which is bridged between the pair of left and right running portions and the midway portion of the lifting and lowering connecting mechanism which is attached to either one of the front and rear portions of the same gate type machine frame are left and right respectively. Since the slide expansion and contraction can be adjusted in any direction, the vehicle body can be run while straddling the ridges by adjusting the distance between the pair of left and right running portions according to the ridge width formed in the field.

Therefore, even when the ridge width is different such as the cultivated crops such as root vegetables, vegetables, fruit vegetables, etc., the left and right running parts of the left and right running parts are different at each management work. By adjusting the interval to suit the ridge width,
It is possible to perform desired management work and the like for multiple purposes.

Further, when the horizontal machine frame forming body of the portal machine frame is also used as the loading platform, various multipurpose works by mounting accessories of various working machines on the horizontal machine frame forming body, the horizontal machine It is possible to reliably carry out the carrying-out work of loading the storage container of the harvested root vegetables etc. on the frame forming body and carrying it out of the field, and the carrying work of loading and carrying the compost or fertilizer.

[Brief description of drawings]

FIG. 1 is a right side view of a vegetable management work vehicle according to the present invention.

FIG. 2 is a left side view of the vegetable management work vehicle.

FIG. 3 is a front view of the vegetable management work vehicle.

FIG. 4 is a rear view of the vegetable management work vehicle.

FIG. 5 is a plan view of the vegetable management work vehicle.

FIG. 6 is a right side view of the pest control usage mode of the vegetable management work vehicle.

FIG. 7 is a rear view of the vegetable management work vehicle.

FIG. 8 is a perspective explanatory view of a luggage carrier.

FIG. 9 is a perspective view of a leaf guard cover body.

[Explanation of symbols]

 A Vegetable management work vehicle 1 Traveling section 2 Gate type machine frame 3 Motor section 4 Driving section 5 Lifting connection mechanism

Claims (2)

[Claims] 1. A self-propelled vehicle body is constructed by straddling a gate-shaped machine frame between a pair of left and right traveling portions, and a motor portion and a driving portion are disposed on either one of the left and right traveling portions. Attaching a lifting connection mechanism for vertically connecting various work machines to one of the front and rear parts of the portal machine frame, and the middle part of the portal frame and the middle part of the lifting connection mechanism,
A vegetable management work vehicle characterized by being able to slide and expand and contract in the left-right width direction. 2. The vegetable management work vehicle according to claim 1, wherein the horizontal machine frame forming body of the gate type machine frame is used as a carrier.