JPH0445712A - Harvester of ball vegetable - Google Patents

Abstract

PURPOSE:To cut fruit cultured in a ridge and drop on a front end of a carrying machine by rotating a holder having cutting blade in orthogonally to the advancing direction with circular introducing rails. CONSTITUTION:A cutting blade is formed on a groove edge of a notched groove in a bottom board of a holder 26 to construct a box body having a opened front side and upper side in the rotating direction. Introducing guides 36 having sideways U-type shape are installed in front and rear boards 31 of the holder 26 and engaged with guiding rails 37 installed on inner periphery of a cylinder part 20 of a reaping case 18, then the holder 26 is orthogonally rotated to the advancing direction of running devices 8 around a rotation-driving shaft 24.

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) The fruit cutting structure of the above-mentioned known example cuts the fruit by reciprocating the boulder from side to side together with the cutting blade, moves the fruit onto the front end of the conveying device, and then transports the fruit backwards. A device was used to transport it to a storage box at the rear. That is, the fruit is cut by the left and right reciprocating movement of the holder and the cutting blade.

Rather than this structure, a simpler device would be to have the holder and the cutting blade move in a circular motion and cut and transport the cutter in the process of that movement.

Therefore, in the present invention, cutting and transportation are performed by circular motion of the holder and the cutting blade, and rattling does not occur during the circular motion.

(Object of the Invention) The present invention enables easy cutting and transportation by circular motion.

It is also designed to prevent rattling during circular motion.

[Means for Solving the Problems] Therefore, the present invention provides the following advantages: A ridge 2 formed between the ridges 3 and 3 for cultivating the fruit A at the middle between the left and right sides, a rearward feeding conveying device M5 provided above the fruit A in the ridge 2, and a groove 2 on both sides of the conveying device 5. A traveling device 4 located within the ridge 3 and a fruit A grown on the ridge 2 rotating orthogonally to the traveling direction.
This vegetable head vegetable harvester is made up of a cutting blade holder 3 which cuts the vegetable and drops it on the front end of the conveying device 5, and an annular guide rail that engages with the holder when the holder rotates orthogonally.

(Embodiment) To explain an embodiment of the present invention with reference to the drawings, l is a body frame of a reaping/harvesting machine installed at a position above a ridge 2 for cultivating fruit A, which is head-heading vegetables such as cabbage and lettuce; The fuselage frame 1 is formed to be long in the front-rear direction.

The ridge 2 is formed between the grooves 3 on the left and right sides, and the fruit A is cultivated in the middle part between the left and right sides of the ridge 2.

A traveling device 4 is provided at a lower side of the fuselage frame 1, a forward-rearward conveyance device 5 is provided at an upper position of the fuselage frame 1, and a reaping section 6 is provided at the front side of the conveyance device 5; A storage section 7 is provided on the rear side of the transport device 5 to temporarily store the fruits A transported by the transport device 5.

Said running gear! 4 is constituted by a pair of left and right crawlers 8, 8, and the crawlers 8.8 are arranged at a predetermined interval on the left and right so as to be located within the groove 3.

Reference numeral 9 denotes a conveyance frame of the conveyance device 5, which is provided above the body frame 1, and includes left and right side plates 10, 10 and a bottom plate! 1, it is formed into a mouth-shaped cross section. When viewed from the side, the Wi feed frame 9 has a lower front side, an intermediate portion that is inclined to be higher toward the rear side, and a rear side that is substantially horizontal and located higher than the front side (FIG. 1).

The front and rear side plates 10 and 10 of the transport frame 9 are equipped with a front rotation shaft and a rear rotation shaft 13 in the left and right direction, respectively (FIG. 3). A roller is attached to each (not shown), and a conveyor belt h14 is hooked and rotated between the front and rear rollers, and an appropriate intermediate roller may be provided between the front and rear rollers, and the conveyor belt Conveying protrusions may be provided on the outer circumferential surface of 14 at predetermined intervals.

The transport frame 9 has its front side connected to the body frame 1.
It is supported by a front support member δ provided on the front side of the fuselage frame 1, and its rear side is supported by a rear support member 16 provided on the rear side of the fuselage frame 1 (FIG. 2).

A square frame-shaped support frame 17 is provided on the front side of the body frame 1, and the front side of the transport frame 9 is made to protrude forward from the support frame 17.
The lower part of the front support member I5 is fixed to and supported by the lower frame 7.

Thus, the reaping section 6 is provided at the front of the conveying device 5.

A rear plate 19 of the reaping part case is fixed to the support frame 17. The reaping portion case holder is formed by fixing the rear edge of the cylindrical portion in the longitudinal direction to the peripheral edge of the rear plate 19. The cylindrical part is formed with an open front side, and a passage groove 21 through which the fruit A passes is formed in the lower part of the cylindrical part.

The front end of the transport frame 9 of the transport device 5 faces the inside of the cylinder part from the support frame 17, and a gear box n is provided in front of the front plate η of the transport frame 9. A one-rotation drive shaft 24 is mounted on the gear box B.

The rotary drive shaft 24 is mounted on the gear box B so as to be located at the center of the left and right sides of the front plate η, and its front end protrudes forward from the gear box N, and the protruding portion has a radially extending shaft. The base of arm 6 is fixed. The tip of the arm δ is bent backward in a substantially shape, and a holder 1 for cutting the fruit A and scooping it upward is attached to the arm 6.

Holder 3 has front and rear plates 31, 31, and a bottom plate! The arm 3 is formed into a box shape with the front side and the upper side open in the rotational direction by the and side plates* (FIG. 4), and the arm 3 is fixed to the one front plate 31.

On the front side of the bottom plate in the rotational direction, a 7-shaped notch groove is formed, the width of which becomes narrower toward the rear side in the rotational direction, and a cutting edge is formed on the edge of the notch groove. Note that the cutting blade may be configured to be detachable.

The front and rear plates 31 and 31 of the boulder 5 are provided with guides. The guides 36, 36 are formed in a horizontal SU shape and engage with guide rails g, 37 provided on the inner periphery of the cylindrical part of the reaping part case.

The guide rail g, 37 is formed in a perfect circular shape with the rotation drive shaft 24 as the center, and the passage groove 21 portion of the cylindrical portion is cut to match the passage groove 21.

The guide rails and guide rails are in accordance with the guide rail π revision,
It is formed in an arc shape centered on the rotary drive shaft 24, and has a width that straddles the cut portion aligned with the passage groove 21 formed for each guide rail.

Each of the guide rails is fixed by a stay provided on the inner peripheral surface of the cylindrical portion.

As described above, the holder rotates perpendicularly to the traveling direction of the body frame 1, and the front side of the transport device 5 is located at the center of rotation.

Therefore, the holder uses the cutting blade to cut the stem of the fruit A that has passed through the passage 1421 and reached the lower position of the conveying device 5, and the front and rear plates 31 and 31 of the holder and the bottom plate are separated. The fruit A is scooped up by the side plate, held in an upper position, and dropped onto the front end of the conveying device 5.

Further, when rotating downward, the holder quickly descends using inertia, and after cutting the fruit A, the conveyor bell N of the conveyor device 5
It may be configured such that the turning speed is slow while it is being dropped above 4.

In addition, in order to smoothly perform the reaping work of the reaping section 6, the traveling device W4 runs at high speed after reaping the fruit A by the reaping section 6 until reaching the first fruit A, and then reaches the next fruit A. The vehicle is configured to run at low speed or stop.

40, a protrusion is a protrusion formed on the front side of the lower part of the cylindrical part, and each protrusion mallet is located at an upper position on the left and right sides of the ridge 2;
A guide body 41 is provided at each protrusion cut. The guide body 41 is formed in a conical shape that becomes narrower toward the front, and the left and right guide bodies 41 are arranged in a V-shape in which the distance becomes wider toward the tip. Further, each guide body 41 is provided so as to be inclined such that the tip thereof is low and the height increases toward the rear.

Although not shown, each guide body 41 is rotatably attached to each of the protruding parts, and a motor C is provided on the base side of the guide body 41. A motor C is attached to the protrusion.

When the guide bodies 41 are used in a stopped state, each guide body 41.
41 has the effect of guiding the fruit A to the center, but when rotated downward, for example, in the case of cabbage, it has the effect of peeling off its outer leaves; on the other hand, when rotated upward, the fruit A is held and held north by the holder. It has the effect of making cutting easier with the fruit A, and can be rotated in any direction depending on the condition of the fruit A.

An engine C is provided on the rear fuselage frame l, and a transmission case peeking through which transmits power to the traveling device 3 is provided below the engine. A transmission case 6 with a built-in transmission shaft is provided on the left and right sides of the case, and the drive wheel portion of the running gear M4 is attached to the end of the transmission case 6.

Further, the body frame 1 is configured such that its front side moves up and down centering on the transmission case 45. Reference numeral 48 denotes a vertically moving cylinder provided between the left and right traveling frames 47 of the traveling device I4 and the body frame 1.

An operation post 0 is provided on the right side of the engine C, and a power transmission mechanism to the transport device W5 and the reaping section 6 is provided inside the operation post 49. The operating boss is located above the crawler 4 on the right side of the traveling device 3.

A reaping part body movement shaft (part) is made to protrude forward from the operation boss) 49, and the front end of the reaping part body movement shaft (part) faces into the gear box n, and the gear 51 is fixed thereto. gear 51
To do this, a chain is connected between the gear shaft fixed to the rotary drive shaft 24 and rotated.

In addition, the operation post) 49 is provided with a conveyance section transmission shaft 8 that protrudes rearward, and the tip of the conveyance section transmission shaft 8 is mounted in a gear box 5 in which the end of the rear rotation shaft 13 is mounted. and transmit rotation.

An operating section is provided on the upper part of the operating post 0. Reference numeral 57 indicates a running latch lever that turns on and off the power to the traveling device 3 provided between the operating parts, and the latch is a side clutch lever 18.
A working clutch lever 1 (component) for manually turning on and off power to the reaping section 6 is a vertically movable lever that extends and contracts the vertically movable cylinder mallet.

The storage section 7 is constructed by connecting the harvesting vehicle mounts via a connector 61 provided at the rear of the one-body frame 1, and the front side of the harvesting vehicle mounts faces below the rear end of the conveying device 5. The harvesting vehicle is equipped with four wheels 8 and is pulled by the body frame 1 and moves by itself.

A driver's seat is provided on the harvest vehicle behind the operation section.

Therefore, the fruit A in the field is located at the desired position of the reaping section 6.
A detection device I capable of detecting the presence, position, and size of the arm B is provided, and the rotation of the arm b is controlled by the detection device I.

That is, the detection device I detects the presence and position of the fruit on the ridge 2, and the control unit (materials) is controlled by the signals from the detection devices.
The harvesting latch opening provided in the operating post 49 is turned on and off to rotate the rotary drive shaft 24 to harvest the fruit A by the holder.

Note that when the detection device I detects that the fruit A in the field is immature (small), it is not harvested.

Further, when the fruits A are planted in the ridge 2 at regular intervals, if the start time of the holder is set first,
A travel distance is calculated by a vehicle speed sensor mounted at a desired position on the body frame 1, and the reaping latch r is automatically turned on and off.

Further, the support frame 17 that supports the front side portion of the reaping unit case 18 and the transport # 5 is the body frame! In some cases, the reaping section 6 may be configured to be movable in the left and right directions with respect to the reaping section 6.

(effect) Next, we will discuss the effect.

The present invention has the above-mentioned configuration, and when the traveling device 3 is driven by the engine C and the machine frame l is made to travel so as to straddle the upper position of the ridge 2 where the fruit A in the field is cultivated, the reaping part 6 is moved across the ridge. 2 facing the fruit A on top, the guide body 41 of the reaping part 6
The fruit A is guided to the center, and the fruit A passes through the passage groove 21 at the lower part of the cylindrical part of the reaping part case and reaches the lower front end of the conveying device 5.

In this case, since the reaping section 6 is automatically controlled by the control sections, the detection device I installed at a desired position of the reaping section 6 detects the presence or absence and size of the fruit A, and this signal and the signal from the vehicle speed sensor The control unit calculates the timing to set the reaping latch opening to the human position, automatically sets the reaping latch opening to the human position, and starts the rotation of the rotary drive shaft 24 via the transmission mechanism, and the rotation drive shaft 24 is rotated once at the tip of the drive shaft 24. The holder holder starts rotating via the arm 6.

The front and rear plates 31 and 31 of the holder are provided with guides, and the guides are engaged with guide rails g and 37 provided on the inner periphery of the cylindrical portion π of the old reaping section case. Because there is, Boulder Ko is guided by guide rail g,
The robot 41 moves from the standby position above the feeding W5 to the cutting position below by performing circular movement and rotation accurately.

Since the holder 3 is open on one side and the top, when the holder rotates, the bottom plate of the holder 3! When the notch wII 34 on the front edge faces the side of the stem of the fruit A, and the holder 3 is further rotated, the V-shaped cutting blade formed in the notch groove and the cutting blade cut the stem of the fruit A. Then, the fruit A is scooped up into the holder 3.

The holder 3 is a fruit A located below the conveyor 5.
is cut, the fruit A is held to a position above the transport belt 14 of the transport device 5, and the fruit A is dropped onto the transport device S.

The fruit A that has fallen onto the conveyor belt 14 of the conveyor section aI5 is sent backward by the first conveyor belt conveyor belt 14 and is temporarily stored in the harvest vehicle.

(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. .

The fruit cutting structure of the above-mentioned known example cuts the fruit by reciprocating the holder along with the cutting blade from side to side, moves the fruit onto the front end of the conveyance device, and then transfers it to the rear storage box by the backward conveyance device. was. That is, the fruit is cut by the left and right reciprocating movement of the holder and the cutting blade.

However, the present invention includes a ridge 2 formed between the left and right grooves 3 and for cultivating the fruit A in the middle part between the left and right sides, a backward conveying device 5 provided in the ridge 2 above the fruit A, and A traveling device 4 located in the groove 3 on both sides of the conveying device 5 and a fruit A cultivated on the ridge 2 that rotates orthogonally to the traveling direction.
This is because the head vegetable harvesting machine is made up of a cutting blade holder 3 that cuts the fruit and drops it on the front end of the conveying device 5, and an annular guide rail that engages when the holder 3 rotates orthogonally. , B. The cutting blade and holder holder is a mechanism that rotates at right angles to the direction of travel, cuts the fruit A grown on the ridges z, and drops it on the front end of the conveyance device 5, so it is linked with 9 yen. The cutting and transport mechanism is
Since the interlocking is unidirectional, the configuration is simple and efficiency is improved.

Since the annular guide rail g with which the holder 5 engages is provided, there is no play in the rotation of the holder 3, and the holder 3 operates smoothly.

This effect can be expected.

[Brief explanation of the drawing]

Figures 1 and 2 are perspective views of the device, Figure 3 is a side view of the entire device, Figure 4 is a plan view of the same, Figure 5 is a plan view of main parts, Figure 6 is a perspective view of the holder, FIG. 7 is a front view of the reaping section, and FIG. 8 is a block diagram. Explanation of symbols 1... Airframe frame, 2... Ridge, 3... Groove, 4...
... Traveling device, 5... Conveying device, 6... Reaping section, 7
...Storage part, 8...Crawler, 9...Transportation frame, 10...Left and right side plates, 11...Bottom plate, dead...
Front rotation shaft, 爲... Rear rotation shaft, 14... Conveyor belt, δ... Front support member, 16... Rear support member,
17...Support frame, Quick...Reaping part case, 19
...rear plate, redundant tube section, 21...passage groove, η・
...Front board? 3... Gear box, 24... Rotation drive shaft, b... Arm, 3... Holder, 31... Front and rear plates! ...Bottom plate, wing...Side plate 234...Notch groove, expletion...Cutting blade, I...Guide guide, 37...Guide rail, 3B...Stay cut...Protrusion part 14 !・・・
・Guide body, C...Motor, C...Engine, Akira...
・Mission case, 45...Transmission case, 46...
・Drive wheel, 47... Traveling frame, Obstruction... Vertical movement cylinder, 49... Operation post, (funds)... Reaping part case, 51.52... Gear, 8... Cheno, (...
・Transportation unit transmission shaft, 55...Gear box, %...Operation unit, 57...Latch lever for running, Command...Side clutch lever (to)...Working clutch lever, (
Capital)... Vertical lever 61... Connector, She... Harvesting vehicle, Leap... Wheels, -... Driver's seat, 65... Detection device, 66... Control unit, 67 ...Reaping latch, latch...vehicle speed sensor.

Claims (1)

[Claims] A ridge 2 formed between the left and right grooves 3 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. a traveling device 4 located in the groove 3 at a section; a cutting blade 35 that rotates orthogonally 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; A head vegetable harvester comprising a holder 26 and an annular guide rail 37 that engages when the holder 26 rotates orthogonally.