JPH0436118A - Harvester for vegetable with formed head - Google Patents

Abstract

PURPOSE:To obtain the subject harvester of a simple structure by providing a holder with a rotating cutting blade capable of tilting, crossing and rotating relatively to the forward direction, cutting fruits cultivated on a ridge and dropping the cut fruits on the front end of a backward feeding conveyor. CONSTITUTION:A travel device 3 is located in grooves 6 on the left and right sides and fruits (A) are dropped to a backward feeding conveyor 5 at a position above the fruits (A) cultivated on a ridge 2 between the grooves 6 and 6 with a holder 21 having a rotating cutting blade. The holder 21 tilts, crosses and rotates relatively to the forward direction of a machine body frame 1 by rotation of a rotating and driving shaft 19 to face the front end of the conveyor 5 to a rotation locus (X) of the holder 21.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a harvesting machine for head vegetables such as cabbage and lettuce.

(Prior art) Japanese Patent Application Laid-Open No. 63-279716 discloses a ridge formed between left and right grooves for cultivating fruits in the middle part of the left and right sides, and a rear feeding ridge provided above the groove. A transport device;
a traveling device located in the groove on both sides of the conveying device;
A head vegetable harvester is described that includes a cutting blade and a holder that move back and forth in the direction of travel to cut the fruits grown on the ridges and move them onto the front end of the conveying device located at a lower position.

(Problem to be Solved by the Invention) In the known example, the front end of the backward feeding conveyance device is located in a groove, and the front end of the conveyance device with a thin vertical width is positioned in the groove to cut fruit by moving back and forth from side to side. Move it up 1 and then
Since the rear transport device transports the items to the rear storage box, the transport device inevitably has a defect in that there are two pieces. Furthermore, since a transport device and a travel device having a thin vertical width are provided in the groove on one side in the width direction, the structure becomes complicated.

(Objective of the Invention) Therefore, it is an object of the present invention to be able to be implemented even with a backward feeding conveyance device. Furthermore, the inside of the groove is not complicated and the work is made easier.

(Means for Solving the Problems) Therefore, the present invention provides a ridge 2 formed between the left and right grooves 6 for cultivating the fruit A in the middle part between the left and right sides, and a ridge 2 provided above the fruit A in the ridge 2. A backward feeding conveyance device 5 and the conveyance device 5
The traveling device 3 located in the groove 6 on both sides of the conveyor device 3 rotates obliquely and crosswise with respect to the traveling direction to cut the fruit A grown on the ridge 2 and drop it onto the front end of the conveying device 5. This is a head vegetable harvesting machine consisting of an inclined rotary cutter and a holder 21.

(Embodiment) To explain an embodiment of the present invention with reference to the drawings, l is a ridge 2 formed between the grooves 6 on the left and right sides and in which fruit A, which is a head-heading vegetable such as cabbage and lettuce, is cultivated in the middle part between the left and right sides. This is a body frame of a reaping harvester installed at an upper position, and the body frame l is a zero body frame l formed long in the front and rear direction.
A pair of left and right crawlers 4.4 constituting the traveling device 3 is provided at a lower side position. The crawler 4.4 is located in the groove 6 between the ridges 2.

A conveying device 5 is provided above the machine frame 1 to send the fruit A harvested by the harvesting section 7 backward.

7 is a transport frame of the transport device M5, and left and right side plates 8
．． 8 and the bottom plate 9 to form a U-shaped cross section (Fig. 3), 41! When viewed from the side, the front side of the feed frame 7 is low, the middle part is inclined to become higher toward the rear side, and the rear side is approximately horizontal and positioned higher than the front side (Fig. 1).
.

On the front and rear side plates 8.8 of the transport frame 7.

Front rotation axis lO and rear rotation axis 11 in the left-right direction. (Fig. 2), a roller retainer is attached to the front rotating shaft 10 and the rear rotating shaft 11, respectively, and a conveyor bell (13) is hooked between the roller retainer and the roller ν. Although omitted, a freely rotating free roller is provided between the front roller edge and the rear roller edge. Conveyance protrusions 14 are provided on the outer peripheral surface of the conveyance belt 13 at predetermined intervals.

On the front lower surface of the bottom plate 9 of the conveyance frame 7, the tip of the loft of the vertical movement cylinder 15 is attached as an axis IF cylinder, and the vertical movement cylinder 1
The lower end of 5 is attached to the body frame l side.

The rear side of the bottom plate 9 is pivoted to the upper end of a support member 16, the lower part of the support member 16 is fixed to the rear of the body frame l, and the front end of the conveyance device 5 is moved up and down by the vertical cylinder 15. Adjustable configuration.

Furthermore, when the bottom plate 9 is rotatably attached to the support member 16, the front end of the conveying device 5 may be configured to be movable from side to side.

A reaping section 17 is provided at the front end of the conveying device 5 to cut the fruit A on the ridge 2 and drop it onto the conveying device 5 located at an upper position.

A cuff box 8 is provided on the left side of the front end of the left side plate 8 of the conveyance frame 7. The gear box 18 is equipped with a rotary drive shaft 19 that is inclined outward toward the front side.

A base part of an arm 200 protruding in the radial direction is fixed to the tip of the rotary drive shaft 19, and a holder 21 for cutting the fruit A and scooping it upward is attached to the tip of the arm 20.

The holter 21 is formed into a box shape with the front side and the top open by the side plates η, η, the bottom plate n, and the rear wall 24 (FIG. 4).
The arm is fixed to the one side plate η.

On the front side of the bottom plate B, there is a 7-shaped notch that becomes narrower toward the rear! 25, and the cutting blade 3 is fixed to the removable groove B in a replaceable manner.

Since the holder 21 rotates at an angle in a cross direction by the rotation of the rotary drive shaft 19 with respect to the direction of movement of the machine frame l, the length of the arm 20 can be increased without increasing the horizontal width of the reaping section 17, and the arm redundancy can be increased. By increasing the length, the holder 21
The front end of the conveying device 5 can be made to face within the rotation locus X of.

Therefore, the holder 21 cuts the fruit A located below by the cutting 19, scoops it up with the side plates η, η, the bottom plate O, and the rear wall 24, holds it in the upper position, and holds the fruit A in the conveying device 5.
Fruit A is dropped onto the front end of the fruit A.

Further, the holder 21 is configured so that when rotating downward, it is quickly lowered using inertia, and the rotation speed is slow during the time after cutting the fruit A and dropping it above the conveyor belt 13 of the conveyor device 5.

Further, in order to smoothly perform the reaping work of the reaping section 17, the traveling device 3, after reaping the fruit A by the reaping section 17,
It is configured to run at high speed until the next fruit A, and then run at low speed or stop when it reaches the next fruit A.

An engine I is provided on the lower fuselage frame 1 on the intermediate and rear side of the transport device 5, and the engine H
A transmission case for transmitting power to the traveling equipment W3 is provided on the left side of the vehicle.

An operating post 29 is provided on the right side of the engine n, and a power transmission mechanism to the conveying device 5 and the reaping section 17 is provided within the operating post n. The operation boss) 29 is located above the crawler 4 on the right side of the traveling device 3.

5 and 6 are diagrams of the power transmission mechanism, in which the reaping unit body movement shaft (9) is projected forward from the operation post 29, and the front end of the reaping unit transmission axle load is inserted into the gear box 31. A bevel carriage is fixed to the front end of the reaping part body movement axis I.

A bevel gear blade fixed to one end of the intermediate shaft frame in the left-right direction is meshed with the bevel gear 32. The intermediate shaft abuts between the upper and lower vertically movable cylinders 15 of the conveying device 5 and projects into the gear box provided at the other end, thereby fixing the bevel gear straw.

The bevel gear r meshes with the bevel gear 36, and the bevel gear r is fixed to the rear end of the rotation shaft in the longitudinal direction.The front end of the 0 rotation shaft is mounted on the gear box addition, and the bevel gear is fixed to the bevel gear blade. A bevel gear loosely fitted to the front rotating shaft 10 is engaged with the bevel gear 40, and a bevel gear 41 fixed to the rotating drive shaft 19 is engaged with the bevel gear 40.
mesh together.

Further, the operation post 29 is provided with a conveyance section transmission shaft C that protrudes to the rear side, and the conveyance section transmission shaft C is equipped with a gear box 43.
The inner bevel gear 45 is fixed, and the bevel gear 45 fixed to the rear rotation shaft 11 is engaged with the bevel gear 45 to drive the conveyor belt 13.

As shown in FIG. 2, an operating section is provided at the top of the operating post. Reference numeral 47 indicates a running latch lever for turning on/off power to the traveling device 3 provided on the operating section, 48 indicates a side clutch lever, and 149 indicates the transport section W5 and the reaping section! 50 is a harvesting clutch lever that turns on and off the power to the reaping section 17 when the work clutch lever 49 is in the on state; Turn on the harvest clutch/to the
When the (capital) is turned on and off by manual operation, the reaping section 17
can be turned on and off.

A harvesting vehicle 52 is connected to the rear part of the body frame 1 via a connector 51, and the front side of the harvesting vehicle is connected to the conveying device 5.
Face the bottom of the rear end. The harvesting vehicle 51 is equipped with four wheels and is pulled by the body frame 1 and moves by itself.

The harvesting vehicle 51 behind the operating section G54 has a driving g54.
will be established.

A detection device 55 capable of detecting the presence, location, and size of fruit A in the field is provided on the lower front side of the transportation frame 7 of the transportation device 5, and the rotation of the arm is controlled by the detection device 55. Control.

That is, the detection device 55 detects the presence or absence and position of the fruit A on the ridge 2, and a signal from the detection device M55 causes the reaping and conveying latch 57 provided in the operation post 29 to be connected between the control sections.
Turn on and off... Rotate the rotary drive shaft 19 described in j to rotate the holder 2.
According to 1, fruit A is harvested, and fruit A in the field is not harvested when it is at the terminal stage (tk) (small).

Furthermore, when the fruits A are planted in the ridge 2 at regular intervals, the first boulder 2! When the starting timing is set, the travel distance is calculated using a vehicle speed sensor provided at a desired position on the machine frame 1, and the reaping and conveying latch 57 is automatically turned on and off.

(effect) Next, we will discuss the effect.

The present invention has the above-mentioned configuration, and the engine n drives the traveling equipment M.
When the machine frame 1 is driven so as to straddle the position above the ridge 2 of the fruit A in the field, the reaping part 17 faces the fruit A on the ridge 2.

In this case, when the reaping section 17 is automatically controlled by the control section, the detection device 5 detects the presence or absence and size of the fruit A, and the reaping conveyance latch 57 is connected between the control sections based on this signal and the signal from the vehicle speed sensor. Calculate the timing to turn the person into a person,
The reaping conveyance latch 57 is automatically turned on, and the rotation of the rotary drive shaft 19 is started via the transmission mechanism.
The holder 21 at the tip starts rotating.

Since the holder 21 has an open front and upper part, when the holder 21 rotates, the side plates η, 22 of the holder 21
The front edge of the fruit A comes into contact with the side of the fruit A and guides it to the center, and the notch groove on the front edge of the bottom plate n of the holder 21 faces the side of the stem of the fruit A. When the holder 21 rotates further, the A V-shaped cutting blade attached to the edge of the notch groove δ cuts the stem of fruit A,
Fruit A is scooped up into the holder 21.

In this case, since the rotary drive shaft 19 to which the arm redundancy is attached is mounted on the gear box so that its axis direction is inclined with respect to the advancing direction of the fuselage frame l, the rotational trajectory of the holder 21 The front end of the conveying device 5 faces inside,
The holder 21 cuts the fruit A below the conveyance device 5, holds the fruit A to a position above the conveyance bell eye 3 of the conveyance device 5, and drops the fruit A onto the conveyance device 5.

The fruit A that has fallen onto the conveyor belt 13 of the conveyor device 5 is sent backward by the conveyor belt 13 and temporarily stored in the harvest vehicle 51.

Further, when the fruits A are planted in the ridge 2 at regular intervals, the work clutch lever 0 is turned on, and the harvesting clutch lever (equipment) is turned on by manual operation to first hold the holder 21. When the start timing is set, the control unit calculates the travel distance based on the signal from the vehicle speed sensor provided at a desired position on the machine frame l,
is automatically turned on and subsequent fruits A are automatically harvested.

In addition, the work clutch lever 49 of the operation unit is turned on, and the harvesting crane 7,000 lever (equipment) is turned on and off by manual operation to turn on and off the drive of the reaping unit 17, and the reaping work is started. It is also possible to do so.

(Effects) Conventionally known Japanese Patent Application Laid-open No. 63-279716 discloses a ridge formed between left and right grooves for cultivating fruits in the middle part of the left and right sides, and a backward conveyance provided above the grooves. a device;
a traveling device located in the groove on both sides of the conveying device;
A head vegetable harvester is described that includes a cutting blade and a holder that move back and forth in the direction of travel to cut the fruits grown on the ridges and move them onto the front end of the conveying device located at a lower position.

In the known example, the front end of the backward feeding conveyance device is located in the groove, and the cut fruit is moved back and forth to the front end of the conveyance device with a thin vertical width located in the groove, and then,
Since the rear transport device transports the items to the rear storage box, the transport device inevitably has a defect in that there are two pieces. Furthermore, since a transport device and a travel device having a thin vertical width are provided in the groove on one side in the width direction, the structure becomes complicated.

However, the present invention includes a ridge 2 formed between the left and right grooves 6 and for cultivating the fruit A in the middle part between the left and right sides, a backward conveying device 5 provided above the fruit A in the ridge 2, and Transport equipment M
The traveling device 3 is positioned in the groove 6 on both sides of the conveying device 5, and the fruit A cultivated on the ridge 2 is cut and dropped onto the front end of the conveying device 5 by rotating the traveling device 3 at an angle with respect to the direction of travel. Since this is a head vegetable harvesting machine consisting of an inclined rotary cutting blade and a holder 21, (a) the fruit A in the ridge 2 formed between the grooves 6 on the left and right sides and cultivating the fruit A in the middle part between the left and right sides; Since the backward-feeding conveying device 5 is provided at the upper position, the tip of the backward-feeding conveying device 5 is not in the groove as in the known example, so it can be formed into - pieces without being divided into pieces as in the known example. It can be implemented.

Also, a traveling device ff13 located in the groove 6 on both sides of the conveyance unit ai5 rotates obliquely and crosswise with respect to the traveling direction to cut the fruit A grown on the ridge 2 and transfer the conveyor device 5 to the conveyor device 5. The inclined rotary cutting blade 3 and the holder 21 are dropped on the front end of the
Since it is a head vegetable harvester consisting of
The structure becomes simpler.

This effect can be expected.

[Brief explanation of the drawing]

Fig. 1 is a side view of the entire device, Fig. 2 is an open plan view, Fig. 3 is a front view of main parts, Fig. 4 is a perspective view of the holder, Fig. 5 is a plan view of the transmission mechanism, Fig. 6 is The enlarged view, FIG. 7, is a block diagram. Explanation of symbols 1... Airframe frame, 2... Ridge, 3... Traveling device, 4... Crawler, 5... Conveying device, 6... Groove,
7... Conveyance frame, 8... Left and right side plates, 9... Bottom plate, 10... Front rotating shaft, 11... Rear rotating shaft,... Roller, 13... Conveying belt, 14... Conveyance protrusion, 15... Vertical movement cylinder, 16... Support member, 17... Reaping section, Additional... Gear box, 19...
・Rotation drive shaft, arm, 21, holder, η
...Side plate, n...Bottom plate, 24...Rear wall, δ...
Notch groove, ni...cutting blade, n...engine, redundancy...
Me, John case, 3... operation post, (9)...
・Reaping part transmission shaft, 31...Gear box 532...
Bevel gear, cross...intermediate shaft, word...bevel gear, ah...gear gear shaft, straw, r...bevel gear, feather...
・Rotating shaft, feather, spring, 41...bevel gear, C...
Conveying unit transmission shaft, C...Gear box, eccentric, 45...
Bevel gear, 6... Operating unit, 47... Running latch lever, wing... Side clutch lever 149... Working clutch lever 1 (fund)... Harvesting clutch lever 1
51... Connector, 52... Harvesting wheel, Edict... Wheel,
C... Driver's seat, 5... Detection device, Gu... Control unit,
57... Reaping conveyance latch, leap... Vehicle speed sensor. 2 others (voluntary) July 1990 1゜Indication of the case 1990 Patent Application No. 141977 2, Name of the invention Heading vegetable harvester 3゜Amendment with the case Related Patent Applicant Address Address Name 700 Umamotocho, Matsuyama City, Ehime Prefecture (012) Representative of Iseki Agricultural Machinery Co., Ltd. Wednesday 1) Hisashi Sakae 4゜Agent Address: 6-6-3 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160 Shinjuku Kokusai Building New Building 9th Floor 5° Date of Correction Order

Claims (1)

[Claims] A ridge 2 formed between the left and right grooves 6 for cultivating the fruit A in the middle between the left and right sides, a backward conveyance device 5 provided above the fruit A in the ridge 2, and both sides of the conveyance device 5. The traveling device 3 is located in the groove 6 at the section, and the inclined rotating cutting device rotates obliquely and crosswise with respect to the traveling direction to cut the fruit A grown on the ridge 2 and drop it on the front end of the conveying device 5. Blade 26
and a holder 21.