JP2652747B2 - Tomato harvesting machine for processing - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing tomato harvesting machine mainly used for harvesting processing tomatoes.

[0002]

2. Description of the Related Art Conventionally, harvesting of tomatoes for processing is mainly performed manually. On the other hand, there is known a tomato-harvesting work machine that cuts a tomato stem formed of a processing tomato to be harvested from a root, supplies the stem to a vibration mechanism, and sieves and harvests the tomato.

[0003]

Of the above conventional techniques, the former requires much labor and time.
Also, in the latter case, in the process of cutting the tomato stem from the root and supplying it to the vibration mechanism, many tomatoes fall and there is a vibration mechanism, which causes the body to vibrate and adversely affects durability. With the vibration of the whole stem of the tomato stem, which generates noise, dust is generated, and the work environment of the operator is deteriorated with the vibration of the machine body. There is a problem that it takes time. The present invention has been made to solve the above problems.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a pair of left and right crawler running wheels which can run over a processing tomato cultivation ridge with a high clearance relative to a vehicle body and on a ground. It is provided so that the operator can work at a very low speed, one of the running wheels is supported so as to be movable in the horizontal direction with respect to the vehicle body, the distance between ruts can be adjusted within a predetermined range, and the vehicle body An operation device for performing a traveling operation, a steering operation, an operation of a working unit, and the like is provided. A loading platform is provided on the vehicle body, and a lifting device is provided on one side in the traveling direction of the vehicle body. On the other side in the running direction of the vehicle body, a hopper for receiving the tomato falling by vibrating the stem of the cut tomatoes for processing, a conveyor connected to the hopper and transporting the tomatoes upward from the loading platform, and provided at the transport end of the conveyor Be The harvesting device comprising a separate chute is provided, further to the underbody, characterized in that the operator is provided the step of ride for manual sorting foreign substances from tomato in the sorting chute.

[0005]

According to the construction described above, in the tomato-harvesting machine for processing of the present invention, the work cart travels at a very low speed across the ridges for processing tomato, and one worker holds the stem of the cut tomato for processing. Vibration above the hopper causes the tomato to fall into the hopper. The tomatoes, foliage and the like that have fallen into the hopper are lifted and conveyed by the conveyor, and discharged from the end of the conveyance to the sorting chute. Another worker rides on the steps of the car body, manually sorts foreign matter from the tomatoes in the sorting chute and discharges them to the field, and the selected tomatoes are discharged and stored in a container placed on the body carrier. . The traveling operation, the steering operation, the operation of the working unit, and the like of the work cart can be performed by any of the two workers.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 1 to 4, reference numeral 1 denotes a working truck of a processing tomato harvesting work machine. The working truck 1 supports a pair of left and right rubber crawlers 2 and 2 with high clearance with respect to a vehicle body 3, and It runs at a very low speed so that ground workers can work across the cultivation ridges, and can be pivoted. In this work cart 1,
By installing various working machines as described later, pest control, harvesting, unloading, loading, etc. can be performed.
It can be used universally for other tasks and other crops.

On the upper part of the crawler 2 support frame on one side of the vehicle body 3,
An engine 4, a transmission 5 including a hydraulic drive (HST), a hydraulic pump 6, and the like are arranged. The power from the engine 5 is transmitted to the transmission 5, where it is split into left and right output shafts. One of the output shafts is transmitted to a crawler sprocket 7 via a chain to directly drive one of the crawlers 2, and the other output shaft is connected to a power transmission shaft 8 with an extendable universal joint and the other crawler 2 via a chain. To drive.

As a control system of the work cart 1, control levers 9 for performing forward / reverse switching and steering operation are provided on both front and rear of the vehicle body 3, and an engine start / stop switch and a throttle lever are integrated. Key box unit 10
Can be replaced with a predetermined position in the front and rear of the vehicle body. Thus, the steering operation can be performed from either the front or rear side in the traveling direction of the vehicle body 3.

The frame constituting the vehicle body 3 has a double structure which is separated to the left and right, one of which is slidable at a predetermined interval with respect to the other. Guide rollers 12, 12 are provided on rails 11, 11.
By supporting the slide frames 13, 13 that support the other, the other rubber crawler 2 side is configured to be able to expand and contract and slide. The expansion / contraction screw rod 14 screwed into the connection frame connecting the slide frames 13 and 13 extends to the outer surface of the frame on the guide rail 11 side, and rotates the manual handle 15 provided at the protruding end. Thus, the interval between the right and left crawlers 2 and 2 (distance between ruts) can be changed.

The upper surface of the vehicle body 3 is a flat carrier 16. A lift device 19 is provided on one side of the carrier 16 in the traveling direction of the vehicle body, the lift device 19 being moved up and down by a parallel link mechanism 17 and a hydraulic cylinder 18. It is raised and lowered to an arbitrary height from the height to a height exceeding the loading platform 16 so that cargo can be handled. With the above configuration, the work cart 1 can travel in accordance with various ridge widths while straddling one ridge of the cultivation ridge for processing tomatoes in the field. When traveling on the road, the distance between ruts can be adjusted according to the road width. It can be steered from either side of the vehicle, and can be selected from a low speed to a maximum speed. A large amount of crops, materials, etc. can be loaded,
Easy to carry out. The lifting device makes it easy to raise and lower heavy objects. It has such features that various work machines can be easily mounted.

A harvesting device 20 for performing a single harvest of tomatoes for processing is detachably mounted on the front side in the vehicle running direction on the side opposite to the side on which the lift device 19 of the work cart 1 is mounted. The harvesting device 20 includes a hopper 21 for receiving the falling tomato by vibrating the stem of the cut tomato for processing,
A slat bar conveyor 22 of a link chain type, which is connected to the hopper 21 and transports the tomatoes toward the upper side of the loading platform 16, and a sorting chute 23 provided at a transport end of the conveyor 22. A step 24 on which an operator who manually sorts foreign substances from tomatoes in the chute 23 is provided so as to be able to be turned upside down.

The harvesting device 20 is fixed to the vehicle body 3 of the work cart 1 by inserting the connecting frame 20a into the cylindrical vehicle body frame 3a and fixing the connection frame 20a with the pins 20b. I am trying to do it. The conveyor 22 of the harvesting device 20 is driven by power from a hydraulic motor 26, and can be set at an arbitrary height without changing its inclination angle by parallel link mechanisms 27 and 28 and a hydraulic cylinder 29. At the end of the sorting chute 23, a shutter 30 which can be opened and closed is provided.
After being manually sorted by the operator with 0 closed, the shutter 30 is opened and the tomato is poured into the container 31 disposed immediately below. The harvesting device 20 is provided with an auxiliary table 32 having the same height as the bed 16 of the vehicle body 3.
Here, the container 31 is placed, the tomato is filled with a predetermined amount and sent to the side, and further moved to the loading platform 16 sideways.

When using the processing tomato harvesting work machine having such a configuration, the work cart 1 is introduced in a state of straddling the processing tomato cultivation ridge in the harvest field, and the work cart 1 is advanced or fixed at a very low speed. An operator standing in front of the harvesting device 20
A stem with a processing tomato whose cutting base has been cut in advance with cutting scissors or the like is picked up, and the tomato is shaken off on the hopper 21.
The tomatoes, foliage and the like that have fallen into the hopper 21 are conveyed obliquely upward by a bar conveyor 22 with slats. In this process, a large amount of sediment, foliage and the like fall from between the bars of the conveyer to remove impurities.

The tomatoes and the like transferred from the conveyor 22 to the chute 23 are temporarily stored when the shutter 30 is closed. In this state, the immature fruits, over-ripe fruits, foliage, etc., which are not suitable for shipping, are removed by the worker standing on the step 24. When the shutter 30 is opened, the tomato is discharged and dropped into the container 31 immediately below, and the container 31 filled with a predetermined amount is sent to the side, and is further moved to the loading platform 16 and moved to the side. Almost predetermined amount of container 3 on the loading platform 16
When 1 is loaded, it is lowered to the ground using the lift device 19 and is also reloaded on the carrier of a transport vehicle.

As described above, the tomato-harvesting machine for processing of the present invention allows two workers to collect the tomatoes for processing at once. Since the strength and the number of times of shaking can be adjusted according to the characteristics of the tomato, the mixing ratio of unnecessary immature fruits and foreign substances can be reduced to a minimum. Since the tomatoes are shaken off manually, there is little leakage outside the machine, and the tomatoes can be collected efficiently. Since the number of transportation steps is small, damage to the tomato can be prevented. The number of times the container has to be moved is small, and the cargo bed of the vehicle body can be used as a storage unit. It can be carried out at the same time as a single harvest, and can be easily unloaded using a lift device.

Next, the second embodiment of the present invention shown in FIGS.
An example will be described. In this embodiment, the harvesting device 20 in the first embodiment is detached from the work vehicle 1 and the work vehicle 1 is common. Hitches 33, 33 provided at the rear of the rubber crawlers 2, 2 are mounted on towable seats 34, 34 with wheels.
However, the front ends of the seat frames 35, 35 are
36, it is attached so as to be rotatable in the horizontal direction. The seat 34 itself is rotatable in the horizontal direction, and the length of the seat frame 35 and the footrest 37 provided on the seat frame 35 can also be expanded and contracted according to the physique and work content of the worker. Has become. Further, when the work cart 1 is turned, the seat 34 is turned around a vertical turning part 38 provided immediately after the hitch part 33 and can be fixed in a state of being lifted upward.

When the work cart 1 is introduced over the processing tomato cultivation ridge in the harvest field to perform the harvesting work, the seat 34 follows the left and right rubber crawlers 2 and 2 to follow and travel. While sitting on the seat 34, the person picks up the tomatoes at a suitable harvest time from the stem of the processing tomatoes vegetated in the field and puts them into a container placed on the lift device 19. Further, the container in which the tomato is stored in a predetermined amount can be easily stacked on the carrier 16 by lifting the lift device 19. In addition, this seat 3
The four devices can be used not only for the processing of harvesting the processing tomatoes but also for the management of the various seedlings such as planting, thinning, weeding, and topdressing.

Another embodiment of the present invention shown in FIGS. 8 to 10 will be described. This embodiment relates to a case in which the work vehicle 1 is used for controlling work. The towable seat 34 with wheels in the second embodiment is detached from the work vehicle 1. The work vehicle 1 includes a body 3 near the engine 4.
In addition, a power pump (power sprayer or the like) 39 driven by power from the engine 4 is mounted. Also, lift device 1
Nine pallets, collapsible chemical spray tube (boom)
A chemical solution tank 41 is installed on the loading platform 16, and an operation lever 42 that vertically rotates both ends of the chemical spray tube 40 is provided.

In the case where the work cart 1 is used as a pest control device configured as described above, the following features are provided.
With enough ground clearance, no crop damage.
Because of the excellent adaptability to the ridge width, work can be performed without being restricted by the crop line. A large chemical solution tank can be mounted on the carrier, and efficient control work can be performed. Since the turning operation of the chemical spray tube can be performed at hand, turning and moving are easy. Since the chemical spray tube is attached to the lift device which can be freely moved up and down, the spray height can be easily adjusted. Combined with the straightness of the crawler type traveling unit, it is possible to perform a free-hand operation on flat ground. Since the same control can be performed from any direction, the spraying can be performed in consideration of the wind direction, and the worker can be prevented from being exposed to the chemical solution. The control device can be easily attached and detached.

[0020]

As described above, according to the tomato harvesting machine for processing of the present invention, the following effects can be obtained. (1) The work cart is provided with a pair of left and right crawler running wheels with high clearance with respect to the vehicle body so as to be able to run across the tomato growing ridge for processing, and at a very low speed where ground workers can work. Since the running wheels are supported so as to be movable in the horizontal direction with respect to the vehicle body and the distance between the ruts can be adjusted within a predetermined range, during harvesting work it is possible to run at a low speed while straddling the width of the tomato cultivation ridge, When traveling on the road, the distance between ruts can be adjusted according to the road width.

On both sides of the running direction of the vehicle body,
An operating device that performs steering operation, operation of the work unit, etc. is provided, a loading platform is provided on the vehicle body, and a lift device is provided on one side of the vehicle body traveling direction, so it is possible to steer from any side of the front and back of the vehicle body , You can select a stepless running speed from slow speed to maximum speed. Also, a large amount of harvested materials, materials, and the like can be loaded on the loading platform and can be easily carried out. Further, the lifting device makes it possible to easily lift and lower heavy objects, and various working machines can be easily mounted.

(2) The harvesting device mounted on the work cart is a hopper for receiving the tomato falling by vibrating the stem of the cut tomato for processing, on the other side in the running direction of the vehicle body opposite to the lift device. A harvesting device comprising a conveyor connected to the hopper and transporting the tomatoes toward the upper side of the loading platform and a sorting chute provided at the transport end of the conveyor is provided, and further, at the lower part of the vehicle body, foreign matter is manually sorted from the tomatoes in the sorting chute. Since the step where the operator gets on the vehicle is provided, two workers can collect the tomatoes for processing at once. By adjusting the strength and the number of times of shaking according to the characteristics of the tomato, the mixing ratio of unnecessary immature fruits and foreign substances can be reduced to a minimum. Since the tomato is shaken off manually, there is little leakage outside the machine, and the tomato can be collected efficiently. Since the number of transportation steps is small, damage to the tomato can be prevented. It can be carried out at the same time as a single harvest, and can be easily unloaded using a lift device.

[Brief description of the drawings]

FIG. 1 is a plan view of a processing tomato harvesting machine of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is a perspective view of a mounting portion of the tomato harvesting device.

FIG. 5 is a plan view of a second embodiment of a processing tomato harvesting machine.

FIG. 6 is a side view of the same.

FIG. 7 is a front view of the same.

FIG. 8 is a plan view showing a state where the control device is mounted on the work cart.

FIG. 9 is a side view of the same.

FIG. 10 is a front view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Working cart of tomato harvesting work machine 2 Rubber crawler 3 Body 3a Body frame 4 Engine 5 Transmission 6 Hydraulic pump 7 Crawler sprocket 8 Power transmission shaft 9 Control lever 10 Key box unit 11 Guide rail 12 Guide roller 13 Slide frame 14 Expansion and contraction Screw rod 15 Manual handle 16 Carrier 17 Link mechanism 18 Hydraulic cylinder 19 Lifting device 20 One-time harvesting device 20a Connecting frame 20b
Pin 21 Hopper 22 Slat bar conveyor 23 Sorting chute 24 Operator step 25 Turnbuckle 26 Hydraulic motor 27,28 Parallel link 29 Hydraulic cylinder 30 Shutter 31 Container 32 Auxiliary table 33 Hitch 34 Wheeled towable seat 35 Seat frame 36 Pin 37 Footrest 38 Vertical rotating part 39 Power pump 40 Chemical spray tube (boom) 41 Chemical tank 42 Chemical spray tube operation lever

Claims (1)

(57) [Claims] 1. A pair of left and right crawler running wheels are connected to a processing
Provided with high clearance to the car body so that it can run across the cultivation ridges and at a very low speed where ground workers can work , and one of the running wheels is supported so that it can move horizontally with respect to the car body The distance between the ruts can be adjusted within a predetermined range, operating devices are provided on both sides of the vehicle in the traveling direction to perform traveling operation, steering operation, operation of the working unit, etc .; A work trolley provided with a lift device on one side, a hopper for receiving the tomato that falls by vibrating the stem of the cut tomato for processing on the other side in the running direction of the vehicle body opposite to the lift device, and being connected to the hopper A harvesting device comprising a conveyor for transporting the tomatoes toward the upper side of the loading platform and a sorting chute provided at the transport end of the conveyor is provided, and further, at the lower part of the vehicle body, foreign matter is manually sorted from the tomatoes in the sorting chute. A tomato-harvesting machine for processing, comprising a step for a worker to ride on.