JP2001211713A - Vegetable transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To maintain planting depth constant regardless of the slope of ridge surface in a vegetable transplanter for multiple row for taking out a seedling from a seedling placing stand by a taking out tine, transferring the seedling to a seedling planting tine and planting the seedling in a field. SOLUTION: This vegetable transplanter is equipped with a ridge sensor (92) for detecting a ridge surface (M) and a rolling control mechanism (61) and always maintains the ridge surface (M) and a machine body (1) approximately in parallel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vegetable transplanting machine which takes out one seedling of vegetable seedlings such as onion, leaf onion and white onion from a seedling tray and plant it in a field.

[0002]

Conventionally, even when the airframe is absolutely horizontal, if the upper surface of the ridge is inclined, in the case of a multi-row planting structure, the planting depths of the right and left ridges are different and the left and right ridges are substantially uniform. There was a disadvantage that seedlings were not planted.

[0003]

SUMMARY OF THE INVENTION Accordingly, the present invention comprises a ridge sensor for detecting a ridge surface, and a rolling control mechanism for controlling the lateral inclination of the fuselage, so that the ridge surface and the fuselage are always maintained substantially parallel. Even if the ridge surface is not horizontal, the ridge surface and the machine body are kept substantially parallel, and the planting depth is always kept constant even in a plurality of left and right planting operations, thereby improving the planting operation accuracy. .

[0004] In addition, by using a soil covering ring to be grounded on the ridge surface as a ridge sensor, and a soil covering ring for covering the seedlings immediately after planting is also used as a ridge sensor, the planting operation is performed by a simple and inexpensive means. This is to improve the accuracy.

[0005]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an overall side view of the transplanter, FIG. 2 is an overall plan view thereof, FIG. 3 is an overall rear view thereof, and FIG. 4 is a plan explanatory view of the implanting section, where (1) shows an engine (2) mounted. (3) is a fixed frame that supports the body (1) on the front and rear slide frames (4) and (5) so as to be slidable left and right, and (6) is a body (1) via a slide arm (7).
(8) a hydraulic slide cylinder that slides the
Are left and right rear wheels which are supported on a drive horizontal shaft (10) from a transmission case (9) via a left and right transmission case (11) so as to be able to swing up and down, and (12) is an axle on the front end side of the fixed frame (3). Left and right front wheels which are vertically swingably supported via a frame (13); (16) a seedling supply device provided behind a body (1) via a chassis frame (17);
(18) is a seedling planting device which is mounted between the left and right rear wheels (8) and is connected to the transmission case (9) via a planting drive case (19). (20a) and (20b) are ridges ( M) The seedling tray (22) on the seedling table (21) reciprocating left and right reciprocatingly moves left and right of the seedling supply device (16). A pot seedling (N) for one plant is taken out with a chopstick-shaped seedling removal nail (23), and the taken pot seedling (N) is interlocked with a multi-cutter (24) of the seedling planting device (18). The seedlings (N) are ejected and supplied to the hopper opening type seedling claw (25) which moves up and down to move the pot seedlings (N) at regular intervals on the running ridge surface (M) of the body (1) by operating the steering handle (26). ) Planting (transplanting)
Is performed, and the position of the planting streak is changed by adjusting the horizontal sliding of the body (1).

Further, (27) is a raising / lowering lever for operating the swing cylinder (14) to move the machine body (1) up and down, (28) is a planting clutch lever for turning on and off the planting clutch, and (29). Is a main transmission lever for shifting the traveling speed, (30) is a slide adjustment lever for adjusting the position of the body (1) in the left-right direction, and (31) is a switch for stopping the driving of the left and right rear wheels (8) to move the body (1). Left and right side clutch levers that perform turning operations.

[0007] As shown in FIGS. 4 to 6, the seedling removal claw (23) and the seedling mounting claw (25) are provided on one seedling mounting table (2).
The two seedling trays (2) are arranged side by side with a certain interval on the seedling tray (22) of 1), and are driven in phase to form one seedling tray (2).
From 2), two rows of seedlings are harvested, and two rows are planted at the same time. The left and right brackets (32) (32) connected to the chassis frame (17) side have rotary input shafts (33) and rotary Two seedling extraction claws (23) (23) are disposed symmetrically via the case (34), the crank arm (35), and the extraction arm (36), respectively, and the input shaft (37) is connected to the transmission case (9). The left and right rotary input shafts (33) and (33) are connected to the ends of the output shafts (39) and (40) of the planting clutch case (38) which are interlockingly connected via a chain (41), respectively. 2) When the planting clutch is engaged, the two right and left seedling extraction claws (23) and (23) are driven in the same phase to simultaneously extract two rows of pot seedlings (N) from one seedling tray (22). And after removal, planted nails ( It is configured to move downward to inherit the position of the 5).

[0008] The seedling claw (25) is provided with a rotary case at both ends of the output shaft (43) of a single transmission case (19) for interlockingly connecting the planting input shaft (42) to the transmission case (9). (44) The right and left seedling planting claws (25) are mounted symmetrically via the crank arm (45) and the planting arm (46), respectively, and the rotary case (44) is provided around the output shaft (43). Is rotated, and the planting arm (46) is moved up and down along the lift guide rail (47) via the crank arm (45) while swinging back and forth, and the planting claw (25) is moved in an elliptical planting locus ( L), the planting claw (25) is formed by two semi-conical claw members (25a) (25b) which are openably and closably divided, and are planted during one rotation of the rotary case (44). Claw (25) rises Come, the seedling from extraction claw (23) (N) receives, planting claw (25) cam of the crank arm (45) when lowered (48) and the planting arm (46)
Of each claw body (25) by the cam action with the rod (49) of
a) (25b) is moved back and forth to form an opening in the ridge surface (M), and the seedling (N) inside each nail body (25a) (25b)
Is dropped into the opening of the ridge surface (M).

Further, the seedling mounting table (21) is fixed to a chassis frame (17) by right and left side frames (50).
A drive sprocket (54) supported between the guide rail (51) and the transverse drive shaft (52) between the guide rails (51) so as to be able to reciprocate left and right, and supported on the seedling mounting table (21) via the longitudinal feed drive shaft (53); Vertical feed pins (57a) of the vertical feed chain (57) stretched between idle sprockets (56) supported via idler shafts (55) at predetermined intervals are attached to each cell (22a) of the seedling tray (22). Hanging between the bottoms, the seedling table (21)
Is configured to vertically feed the seedling tray (22) by one pitch via the vertical feed cam (59) of the vertical feed shaft (58) when the terminal reaches the left-right movement end.

Further, as shown in FIGS. 7 and 8, a hydraulic lifting cylinder (60) for raising and lowering the body to adjust the vehicle height.
And a horizontal transmission hydraulic rolling cylinder (61) for correcting the inclination angle of the body in the left-right direction. 11), a left and right swing plate (63) is provided on an integrally rotating shaft boss (62), and the swing plate (63) is provided on the swing plate (63) via a connecting link (64). 66a) (66b)
And the swing shaft (67) for rotatably inserting the middle of the fulcrum shaft (65) through the lifting cylinder (60).
And a rolling cylinder (61) as a rolling control mechanism connected to the fulcrum shaft (65) via a rolling arm (69).
The rolling cylinder (61) is attached to the swing shaft (67) via a bracket (71), and a guide frame (72) is provided above the transmission case (9). The swing shaft (67) is fixedly mounted, and is configured to reciprocally slide and guide the swing shaft (67) by the long groove (73) of the guide frame (72).

Left and right swing arms (66a) and (66b) project downward and upward at the left and right ends of the fulcrum shaft (65), respectively, to move the piston rod (68) of the lifting cylinder (60) forward and backward. The swing shaft (67) is slid, the left and right transmission cases (11) are integrally moved up and down in the same direction, and the body is raised and lowered to adjust the vehicle height, while the piston rod of the rolling cylinder (61) is adjusted. When moving (70) forward and backward, the fulcrum shaft (65) is rotated and the left and right transmission cases (11) are moved up and down in opposite directions to perform horizontal control for correcting the left and right inclination angle of the aircraft. I have.

Further, a front frame (75) having a front bumper is fixed to the front surface of the base frame (74) by bolts.
A fixed shaft (76) is provided on the front frame (75), and the fixed shaft (7
6) Left and right swing fulcrum shafts (77) are rotatably attached to both ends, and left and right front wheels (12) are connected to the left and right axle frames (13) having one end fixed to each shaft (77) via the front axle (78) at the other end. And the front ends of the left and right swing rods (80) are connected to the left and right swing support shafts (77) via links (79), and the rear ends of the rods (80) are connected to the respective swing plates (63). To be connected, rear wheel (4)
And a hydraulic lifting cylinder (60) for lifting and lowering the body by pushing and pulling the fulcrum shaft (65) while driving the body.
And a rolling cylinder (61) supported on the swing shaft (67) to rotate the rolling fulcrum shaft (65) to incline the fuselage to the left and right. 12) and (8) are arranged, and the left and right front and rear wheels (12) are controlled by the lift cylinder (60).
(8) is moved up and down in the same direction to adjust the vehicle height, while the left and right front and rear wheels (12) and (8) are moved up and down in opposite directions by the control of the rolling cylinder (71) to adjust the horizontal inclination of the body. Make up.

As shown in FIG. 9 to FIG.
The pair of left and right covering rings (20a) and (20b) for covering the planted seedlings (N) behind 5) are oppositely arranged in a V-shape when viewed from the left and right across the planting strip. Input shaft (42)
The front end of the planting frame (81) is connected to the planting transmission case (19) having the
a) Left and right earth covering frames (8) for attaching (20b) to the rear end
2) The front end of (83) is fixed to the planting frame (81) via the adjusting shaft (84) so that the mounting height can be adjusted, and the horizontal connection pipe (85) connects the left and right soil covering frames (82) and (83). And a rear cover arm (86) is fixed to the lower curved portion (85a) substantially at the center of the connection pipe (85), and the cover arm (86) and the right cover frame (8) are fixed.
3) A pair of left and right covering soil rings (20a) (20b) for right planting streak are fixedly supported on the inner side of each rear end through an inclined wheel shaft (87).

Further, the left earth covering frame (82) is formed to have a length substantially half the length of the right earth covering frame (83), and the rear end of the frame (83) is connected to the left sensor arm (88) via a pivot (88). 89) is swingably supported, and an arm base (90) is fixedly mounted on the bent portion (85a) at a position on the left side of the earth covering arm (86).
8) A right sensor arm (91) having substantially the same shape as the left sensor arm (89) is swingably supported via the left and right sensor arms (89).
A pair of left and right earth covering rings (20a) (20)
b) is supported so as to be able to move up and down about the pivot (88), and the sensor arm (89) (91) and the earth covering ring (20a) (20b) detect the inclination state of the ridge surface (M). It is configured to form a ridge sensor (92).

A rolling valve (93) for operating a rolling cylinder (61) in a hydraulic unit case (92) installed on the upper surface of the base frame (74).
And a valve operating lever (94) of the valve (93) and a wire mounting plate (9) of the left sensor arm (89).
5) are connected by a sensor wire (96), and the ridge surface (M)
A pair of soil covering rings (20a) and (20b) for the right planting stripes, while a pair of covering soil rings (20a) and (20b) for the left planting stripes are grounded to support the rear part of the planting frame (81). Is vertically supported by the planting frame (81), and when the ridge surface (M) is inclined downward by an angle (α) to the right from the absolute horizontal line during the operation as shown in FIG. ) (Covering wheel (2
0a) and (20b) move upward, and this is detected. The operation of the rolling cylinder (61) is controlled via the wire (89) and the rolling valve (93), and the body (1) is tilted to the ridge surface (M). Is arranged so that the planting depth is always kept constant.

In the above embodiment, the ridge sensor (9
2) The valve (93) is connected to the valve (93) by mechanical means such as a wire (96).
3) is operated by electrical means such as a solenoid,
The change of the ridge sensor (92) may be detected by an electric means such as a potentiometer, and the rolling valve (93) and the ridge sensor (92) may be electrically connected.

As described above, even under the condition that the ridge surface (M) is inclined, the rolling cylinder (61) is arranged to be substantially parallel to the ridge surface (M) based on the detection of the ridge sensor (92). The body (1) is controlled to enable good planting operation of the seedlings (N) in which the planting depth is always kept constant, and the covering wheel (20a) which usually covers the soil. By using (20b) for the ridge sensor (92), the ridge sensor (92) can be made simple and inexpensive with a small number of parts and the like.

[0018]

As is apparent from the above embodiments, the present invention comprises a ridge sensor (92) for detecting a ridge surface (M), and a rolling control mechanism (61) for controlling the lateral inclination of the fuselage. Since the surface (M) and the airframe (1) are always maintained substantially parallel, even when the ridge surface (M) is not horizontal, the ridge surface (M) and the airframe (1) are maintained substantially parallel, Always keep the planting depth constant even in multiple planting work on the left and right,
The planting operation accuracy can be improved.

An earth covering ring (2) to be grounded to the ridge surface (M).
0a) and (20b) are used for the ridge sensor (92). Therefore, the soil covering rings (20a) and (20b) for covering the seedling (N) immediately after planting are also used as the ridge sensor (92). hand,
The planting operation accuracy can be improved by means of a simple and inexpensive means.

[Brief description of the drawings]

FIG. 1 is an overall side view of a transplanter.

FIG. 2 is an overall plan view of the transplanter.

FIG. 3 is a rear view of the transplanter.

FIG. 4 is an explanatory plan view of a transplant portion.

FIG. 5 is an explanatory side view of a seedling mounting portion.

FIG. 6 is an explanatory side view of a seedling removal nail and a seedling-attached nail.

FIG. 7 is an explanatory side view of a rolling unit.

FIG. 8 is an explanatory plan view of a rolling portion.

FIG. 9 is an explanatory side view of the covering ring portion.

FIG. 10 is an explanatory plan view of a covering ring portion.

FIG. 11 is an explanatory rear view of the covering ring portion.

[Explanation of symbols]

 (1) Airframe (20a) (20b) Covering wheel (61) Rolling cylinder (rolling control mechanism) (92) Ridge sensor (M) Ridged surface

Claims (2)

[Claims] 1. A vegetable comprising: a ridge sensor for detecting a ridge surface; and a rolling control mechanism for controlling a lateral inclination of the machine body, wherein the ridge surface and the machine body are always maintained substantially parallel. Transplant machine. 2. The vegetable transplanter according to claim 1, wherein an earth covering ring that is in contact with the ridge surface is used as the ridge sensor.