JPH0731209A - Rice transplanter marker device - Google Patents

Abstract

(57) [Summary] [Purpose] In a rice transplanter that holds the left and right muscle pull markers inside the machine body while standing up and holding the markers, unlocks the structure easily. [Configuration] Marker lock members (54), (78), (7) for storing and holding the left and right muscle pulling markers (48) inside the machine body.
In a rice transplanter equipped with 9), a marker lock releasing device (5) for unlocking the marker lock members (54), (78) and (79) by forward and reverse driving of a single motor (60).
7) (82) is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marker device for a rice transplanter, which is equipped with a seedling table and a planting claw for continuously performing seedling planting work.

[0002]

2. Description of the Related Art For example, there is means for connecting a marker lock member to an operation lever near a driver's seat via a wire and unlocking the marker lock member by the lever.

[0003]

However, in the case of the above-mentioned conventional means, the wire length becomes long and the wire is caught by another member such as a lifting link, or when the planting part is attached or detached. There were drawbacks such as the separation was troublesome.

[0004]

SUMMARY OF THE INVENTION Therefore, according to the present invention, in a rice transplanter equipped with a marker lock member for storing and holding the right and left muscle pull markers inside the machine body, the marker lock member is unlocked by a single motor. By providing a marker lock releasing device that is driven by forward and reverse driving, for example, the marker lock releasing device can be installed at a desired space position such as a hitch bracket on the implantation side that is closest to the left and right muscle pulling markers. It can be connected to the machine side safely and securely by fixing it to a lifting link etc. without inconvenience such as hooking only the motor harness, and it can be easily detachably connected by a coupler etc., resulting in a compact In this way, it is possible to assemble a good marker lock release device that does not hinder work.

[0005]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is an explanatory view of a marker lock releasing device, FIG. 2 is a side view of a riding rice transplanter, and FIG. 3 is a plan view of the same.
Is a traveling vehicle on which an operator rides. The engine (2) is mounted on the vehicle body frame (3), and the front wheel for paddy field traveling (4) is provided in front of the transmission case (4), which is a drive unit, via the front axle case (5). 6), a rear axle case (7) is connected to the rear of the mission case (4), and the rear axle case (7) supports the rear wheel (8) for traveling paddy fields. On both sides of the bonnet (9) covering the engine (2), etc., a spare seedling stand (1
0) is attached, the mission case (4) and the like are covered by a vehicle body cover (12) on which an operator rides through step (11), and a driver's seat (13) is attached to the upper portion of the vehicle body cover (12), A steering handle (14) is provided at the rear of the hood (9) in front of the driver's seat (13).

Further, (15) in the figure is a planting section equipped with a seedling table (16) for planting 6 rows, a plurality of planting claws (17), etc. Forward tilting seedling stand (1
6) is supported by the planting case (20) through the lower rail (18) and the guide rail (19) so as to be slidable left and right, and the rotary case (21) is rotated at a constant speed in one direction. The pair of claw cases (22) and (22) are supported at the case (20), and a pair of claw cases (22) and (22) are arranged symmetrically around the rotation axis of the case (21).
(22) Attach the planting claws (17) (17) to the tip. Further, a hitch bracket (24) is provided on the front side of the planting case (20) via a rolling fulcrum shaft (23), and a lift link mechanism (27) including a top link (25) and a lower link (26) is provided. A support frame (24) is connected to the rear side of the traveling vehicle (1) to form the link mechanism (27).
Lifting cylinder (2) that lifts and lowers the planting part (15) via
8) is connected to the lower link (26), and the front and rear wheels (6) and (8) are driven to move, and at the same time, one seedling is planted from the seedling mounting table (16) that reciprocates left and right. The nails (17) are taken out and the seedlings are continuously planted.

Further, in the figure, (29) is a main transmission lever, and (3
(0) is a sub-shift lever for planting up / down and work traveling gear shifting, (3
1) is a planting sensitivity adjusting lever, (32) is a main clutch pedal, (33) and (33) are left and right brake pedals, and (3)
4) is a center float for leveling two lines, (35) is a side float for leveling two lines, and (36) is a side fertilizer applicator.

As shown in FIGS. 4 to 6, a pair of left and right main frames (37) constituting the airframe, a gate-shaped column (38) standing upright at the rear, and a hitch bracket (24) at the front of the planting section (15). The link mechanism (27) is provided between the top link mounting shaft (40) of the pair of left and right upper frames (39) fixed to the upper part of the column (38) and the top of the upper end of the hitch bracket (24). The top link (25) is provided between the hitch shafts (41), and the lower link mounting shaft (42) between the base ends of the columns (38) and the lower hitch shaft (43) at the lower end of the hitch bracket (24) are provided. A lower link (26) is provided, and the mounting shaft (4
2) The tip of the piston rod (28a) of the lifting cylinder (28) is connected to the arm shaft (45) at the tip of the left and right lift arms (44) that are integrally connected to the lower link (26), and the arm shaft (45) Left and right stabilizers (46) for preventing lateral shake are provided between the lower hitch shafts (43).

Then, a left and right muscle drawing marker (for forming a guide locus for planting traveling on the unplanted side paddle is formed at the tip of the pipe frame (47) projecting to the left and right outer sides of the left and right outermost planting cases (20). 48) to support the marker (48) so that the marker support (50) at the base end of the marker arm (49) of the marker (48) is rotatably supported on the support shaft (51) of the frame (47). With each frame (47)
A marker fall spring (52) is stretched between one end side of the support body (50) and the one end side of the left and right marker raising wires (53) connecting one end to the left and right lift arms (44).
0) is connected to the other end side of the spring (5
2) Pull the wire (53) against the left and right markers (4)
8) uprightly accommodates the spring (52) while descending with planting
The left and right markers (48) are laid down on the outside of the machine by force and landed on the rice field.

Further, a marker lock plate (54), which is a marker lock member for fixing the position of the marker (48) at the standing storage position, is provided on the pipe frame (47).
A lock plate (54) is attached to a support shaft (55) of the frame (47).
Is rotatably supported, a marker lock spring (56) is stretched between the frame (47) and one end of the lock plate (54), and a marker lock release device (57) provided on the hitch bracket (24) is provided. The other end of the lock release wire (58) connecting the one ends is connected to the lock plate (5).
4) The other end of the lock plate (54) is connected to the other end side to the lock shaft (59) which is also the pivotal shaft of the support (50) for standing up and storing the marker (48) and the upright wire (53). The lock groove (54a) on the side is engaged by the force of the lock spring (56) to store and hold the lock groove (54a).

The marker lock releasing device (57) includes a lock releasing motor (60) fixed to the hitch bracket (24) and a reduction gear case (6) of the motor (60).
Forward / reverse swing operation plate (6) fixed to the output shaft (62) of 1)
3) and a long hole (6) in the pivot shaft (64) of the operation plate (63).
5) and engage each end of the left and right wires (58) with 18
A wire connection fitting (66) for connecting in the reverse direction of 0 degree and a lock detection switch (67) for detecting the neutral position of the operation plate (63) are provided, and the operation plate (63) drives the motor (60). Therefore, when the output shaft (62) is rotated by a predetermined amount in the clockwise and counterclockwise directions from the neutral position, only one of the left and right wires (58) is pulled,
The lock plate (54) is unlocked and the left or right marker (48) is laid down to the operating position.

The present embodiment is constructed as described above, and the marker unlocking device (57) is attached to the hitch bracket (24) so that the unlocking wire (58) is laid up to the machine side. Without the complexity of
From the machine side to the hitch bracket (24), the motor (6
0) and switches (67) are connected only by harnesses, and they are members (2) of the lifting link mechanism (27).
5) The harness can be clamped to (26) and (46) to prevent the harness from being cut off by hooking and the like, and can be easily attached and detached by a coupler or the like.
Therefore, the function of the marker lock releasing device (57) can be stably maintained, and the planting part (15) can be detached and attached safely and easily.

FIGS. 7 to 8 show an example of the structure in which a marker lock device (68) for locking and unlocking the marker (48) is provided in the substantially central portion of the support column (38) on the machine side.
Left and right marker pulling arms (69) (70) for pivotally supporting the attachment shaft (42) and connecting the other ends of the left and right marker upright wires (53), respectively, and brackets for the left and right stabilizers (46) Marker lifting pad bolts (7) attached to (71) and brought into contact with the patch plates (72) at the ends of the arms (69) (70) only when the markers are pulled up.
3) and the pivot shaft (75) of the fixed mounting plate (74) on the fuselage side
One end side hook (78a) is attached to the rollers (76a) (77a) of the left and right lock shafts (76) (77) of the left and right pulling arms (69) (70) by swingably supporting the substantially middle part thereof.
Left and right lock plates (78) which are marker lock members for engaging the (79a) with the spring (80) force from the lower and upper directions.
(79) and a release cam which is a lock release device which faces a release roller (81) between the lock plates (78) and (79) and the lock release surfaces (78b) and (79b) vertically opposed to each other. The plate (82) and the cam plate (82) are connected to the output shaft (6
2) a motor (60) attached to the cam plate (82)
A lock detection switch (67) for detecting the neutral position of the left and right arms (69) (7) by bringing the bolt (73) into contact with the backing plate (72) when the planting part (15) rises.
0) is rotated in the pulling direction to raise the marker (48), and the rollers (76a) (77a) are hooked (78a).
When it is engaged with (79a) and locked, the marker (4
8) while standing upright, and when the planting portion (15) is descending, the motor (60) is driven in the forward and reverse directions to bring the release roller (81) into contact with the lock release surfaces (78b) (79b). Hook (7) on the left or right lock plate (78) (79)
When the lock by 8a) (79a) is released, the left or right marker (48) is laid down. Thus, in the case of this configuration, the locking of the marker (48) and the unlocking of the marker (48) can all be performed on the machine side, and the planting part (15)
The weight can be reduced.

[0014]

As is apparent from the above embodiments, the present invention is a rice transplanter equipped with marker lock members (54), (78) and (79) for storing and holding the left and right muscle drawing markers (48) inside the machine body. In the above, the marker lock member (54)
(78) Unlock (79) single motor (60)
Marker lock release device (57) (8)
2) is provided, so that, for example, the hitch bracket (2) on the planting side that is closest to the left and right muscle pulling markers (48) is provided.
4) such as the marker lock release device (5
7) can be installed and can be securely and securely connected to the machine side by fixing it to the lifting link (25) (26) without inconvenience such as hooking only the harness of the motor (60). In addition, it is possible to connect detachably easily by a coupler or the like, and therefore, it is possible to install the marker lock releasing device (57) which is compact and has a good workability, and has a remarkable effect.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of an unlocking device.

FIG. 2 is an overall side view of a riding rice transplanter.

FIG. 3 is an overall plan view of a riding rice transplanter.

FIG. 4 is a side view of a lifting link unit.

FIG. 5 is an explanatory diagram of a muscle drawing marker section.

FIG. 6 is an explanatory diagram of an unlocking device.

FIG. 7 is a side view of another lock device section.

FIG. 8 is a plan view of another lock device section.

[Explanation of symbols]

 (48) Marker (54) Marker lock plate (marker lock member) (57) Lock release device (60) Lock release motor (78) Lock plate (marker lock member) (79) Lock plate (marker lock member) (82) Cam plate (lock release device)

Claims (1)

[Claims] 1. A rice transplanter equipped with a marker lock member for storing and holding left and right muscle pulling markers inside a machine body, comprising a marker lock releasing device for unlocking the marker lock member by forward and reverse driving of a single motor. A marker device for rice transplanters characterized by being provided.