JP3514321B2 - Rice transplanter marker device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marker device for a rice transplanter that includes a seedling mounting table and planting claws to continuously perform seedling planting operations. 2. Description of the Related Art For example, there is a means in which a marker lock member is operatively connected to an operation lever near a driver's seat via a wire, and the marker lock member is unlocked by the lever. [0003] However, in the case of the above-mentioned conventional means, the length of the wire is long, and the wire is hooked on other members such as the elevating link, and the attachment / detachment of the planting portion is detached. There have been drawbacks in that sometimes the wire has to be cut off. SUMMARY OF THE INVENTION Accordingly, the present invention provides a plant
The left and right muscle markers that form the running trajectory
The marker is rotatably supported and the marker is fixed in the upright position
The frame is provided with a lock plate to be
Connect to the lock plate, raise the marker, and store it
With the release motor in forward or reverse operation.
Pull the release wire to unlock the lock plate.
To move the marker to the working position
Operating plate fixed to the release motor, and a pivot of the operating plate.
Engage the long hole with the support shaft and connect the left and right wires in the opposite direction.
And a switch for detecting the neutral position of the operation plate.
And the release motor is fixed to the rice transplanting machine body side.
The release motor on a hitch bracket, etc.
By laying the release wire to the machine side
Hitch bracket from the machine side without complicated structure such as
Until then, connect the motor and switch harness
Also, it is easy to attach and detach the high-rigidity release motor.
The switching function of the plate can be maintained stably and the planting section
Can be safely and easily attached and detached.
Operation plate and left and right solutions
Wires can be assembled into a unit structure.
What can improve workability such as solution and maintenance
It is. An embodiment of the present invention will be described below in detail with reference to the drawings. 1 is an explanatory view of a marker unlocking device, FIG. 2 is a side view of a riding rice transplanter, and FIG. 3 is a plan view of the same, and FIG.
Reference numeral denotes a traveling vehicle on which an operator rides. The engine (2) is mounted on a vehicle body frame (3), and a paddy field traveling front wheel (5) is disposed in front of a transmission case (4) serving as a driving unit via a front axle case (5). 6), a rear axle case (7) is connected to the rear of the transmission case (4), and the rear axle case (7) supports a paddy field traveling rear wheel (8). A spare seedling table (1) is provided on both sides of the hood (9) covering the engine (2) and the like.
0), the transmission case (4) and the like are covered by a body cover (12) on which an operator rides via a step (11), and a driver's seat (13) is mounted on the upper part of the body cover (12). A steering handle (14) is provided in front of the driver's seat (13) and behind the hood (9). In the figure, reference numeral (15) denotes a planting portion provided with a seedling table (16) for planting six-row plants and a plurality of planting claws (17). Forward tilting seedling platform (1
6) is supported on a planting case (20) via a lower rail (18) and a guide rail (19) so as to be reciprocally slidable right and left, and a rotary case (21) is rotated at a constant speed in one direction. A pair of claw cases (22) and (22) are supported at the case (20) and symmetrically positioned around the rotation axis of the case (21), and the claw case (22) is provided.
(22) Attach the planting claws (17) and (17) to the tip. A hitch bracket (24) is provided on the front side of the planting case (20) via a rolling fulcrum shaft (23), and a hitch bracket (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), and the link mechanism (27) is connected.
Cylinder (2) for raising and lowering the planting section (15) through the
8) is connected to a lower link (26), and the front and rear wheels (6) and (8) are driven and moved, and at the same time, seedlings for one strain are planted from a seedling mounting table (16) that reciprocates right and left. It is configured to be taken out by the nail (17) and to continuously perform seedling planting work. In the drawing, (29) is a main speed change lever, (3)
0) is a sub-shift lever for planting elevating and working travel shifting, and (3)
1) is a planting sensitivity adjusting lever, (32) is a main clutch pedal, (33) and (33) are left and right brake pedals, (3)
4) is a center float for two-row equalization, (35) is a side float for two-row equalization, and (36) is a side-row fertilizer. As shown in FIGS. 4 to 6, a pair of left and right main frames (37) constituting the fuselage are provided with a portal column (38) standing upright at the rear portion, and a hitch bracket (24) at the front of the planting portion (15). ), The link mechanism (27) is provided therebetween, and a top link mounting shaft (40) of a pair of left and right upper frames (39) fixed to the upper part of the support (38), and a top at an 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). 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 arm (44) integrally connected to the lower link (26). Left and right stabilizers (46) for preventing horizontal runout are interposed between the lower hitch shafts (43). At the tip of a pipe frame (47) projecting left and right outside from the left and right outermost planting cases (20), a left and right muscle marker ( And a marker support (50) at the base end of the marker arm (49) of the marker (48) is rotatably supported on a support shaft (51) of the frame (47). Together with each frame (47)
A marker falling spring (52) is stretched between one end of the support member (50) and the other end of a left and right marker standing wire (53) connecting one end to the left and right lift arms (44).
0), the spring (5)
Pull the wire (53) against 2) and pull the left and right markers (4
8) While standing up and storing, the above-mentioned spring (52)
The left and right markers (48) are configured to fall down to the outside of the fuselage by force and land on the rice field. [0010] A marker lock plate (54), which is a marker lock member for fixing the marker (48) at the upright storage position, is provided on the pipe frame (47).
A lock plate (54) is attached to the support shaft (55) of the frame (47).
The marker lock spring (56) is stretched between the frame (47) and one end of the lock plate (54), and the marker lock release device (57) provided on the hitch bracket (24). The other end of the lock release wire (58) connecting one end is connected to the lock plate (5).
4) The other end of the lock plate (54) is connected to the support shaft (50) for supporting the marker (48) when the marker (48) is stored in the upright position and the upright wire (53). The lock groove (54a) on the side is engaged by the force of a lock spring (56) to achieve this storage and holding. The marker unlocking device (57) includes an unlocking motor (60) fixed to the hitch bracket (24), and a reduction gear case (6) for the motor (60).
The forward / reverse swing operation plate (6) fixed to the output shaft (62) of 1)
3) and a long hole (6) in the pivot (64) of the operation plate (63).
5) and engage one end of each of the left and right wires (58) with 18
A wire connection fitting (66) for connecting in the reverse direction by 0 degrees, and a lock detection switch (67) for detecting a neutral position of the operation plate (63), wherein the operation plate (63) drives the motor (60) When rotating a predetermined amount around the output shaft (62) clockwise and counterclockwise from the neutral position, only one of the left and right wires (58) is pulled.
The lock of the lock plate (54) is released so that the left or right marker (48) falls down to the operation position. This embodiment is constructed as described above, and a structure such as laying a lock release wire (58) to the machine side by attaching a marker lock release device (57) to the hitch bracket (24). Without the complexity of
Motor (6) from the machine side to the hitch bracket (24)
0) and switches (67) and other harnesses.
5) By allowing the harness to be clamped at (26) and (46), it is possible to prevent breakage due to hooking of the harness, etc., and it is also possible to easily detach the harness by using a coupler or the like.
Therefore, the function of the marker unlocking device (57) can be stably maintained, and the attachment and detachment of the planting portion (15) can be performed safely and easily. FIGS. 7 and 8 show an example in which a marker lock device (68) for locking and unlocking the marker (48) is provided substantially at the center of the column (38) on the machine side.
Left and right marker pull-up arms (69) and (70) rotatably supporting the mounting shaft (42) and connecting the other ends of the left and right marker standing wires (53), respectively, and brackets for the left and right stabilizers (46). (71) and a marker pulling-up bolt (7) which is brought into contact with each of the pads (72) at the ends of the arms (69) and (70) only at the time of lifting.
3) and the pivot (75) of the fixed mounting plate (74) on the fuselage side
The one-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 portion.
Left and right lock plates (78), which are marker lock members for engaging (79a) from below and above by the force of a spring (80)
(79) and a release cam which is a lock release device for allowing a release roller (81) to face between lock release surfaces (78b) and (79b) formed on the other end side of the lock plates (78) and (79). Plate (82) and the cam plate (82) are connected to the output shaft (6).
2) a motor (60) to be attached to the cam plate (82);
And a lock detection switch (67) for detecting a neutral position of the arm (69) (7) when the planting portion (15) is lifted.
0) is turned in the pulling direction to raise the marker (48), and the rollers (76a) (77a) are hooked (78a).
(79a), the marker (4
8), while the planting portion (15) is descending, the motor (60) is driven forward and reverse to bring the release roller (81) into contact with the lock release surfaces (78b) (79b). Hook (7) of left or right lock plate (78) (79)
8a) When the lock according to (79a) is released, the left or right marker (48) is turned over. Thus, in the case of this configuration, all the locking and unlocking of the marker (48) can be performed on the machine side, and the planting portion (15)
The weight can be reduced. As is apparent from the above embodiments, the present invention provides a left and right muscle marker (48) for forming a planting travel locus.
It is rotatably supported by the frame (47) of the planting part (15).
To lock the marker (48) in the upright position.
A plate (54) is provided on the frame (47), and a release wire is provided.
(58) is connected to the lock plate (54),
(48) is raised and stored, and the release motor
The forward or reverse rotation operation of (60) causes the right or left release
Pull the ear (58) to unlock the lock plate (54)
Rice transplanter that removes the marker (48) to the action position
Is fixed to the release motor (60).
An operation plate (63) and a pivot (64) of the operation plate (63)
The left and right wires (58) are reversed by engaging the long holes (65)
Metal fitting (66) to be connected in the direction
3) a switch (67) for detecting a neutral position,
The release motor (60) is fixed to the rice transplanting machine (24) side.
Solution, for example, hitch bracket (24)
By installing the removal motor (60),
Complex structure such as laying a release wire (58)
Motor from the machine side to the hitch bracket (24)
If you connect the harness of (60) and switch (67)
Good and easy to attach and detach the high rigidity release motor (60)
And the stability of the switching function of the operation plate (63).
It is possible to maintain and to attach and detach the planting part (15)
Safe and easy to do, especially high rigidity release
Operation plate using motor (60) as mounting base
(63) and left and right release wires (58)
It can be assembled into a structure,
It can improve workability such as maintenance.
You.

[Brief description of the drawings] FIG. 1 is an explanatory diagram of a lock release device. FIG. 2 is an overall side view of the riding rice transplanter. FIG. 3 is an overall plan view of the riding rice transplanter. FIG. 4 is an explanatory side view of a lifting link unit. FIG. 5 is an explanatory diagram of a muscle marker portion. FIG. 6 is an explanatory diagram of a lock release device. FIG. 7 is an explanatory side view of another lock device section. FIG. 8 is an explanatory 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)

(57) [Claims 1] Left and right muscle markers forming a planting travel locus
(48) is rotated by the frame (47) of the planting portion (15).
With the marker (48) fixed in the upright position.
A locking plate (54) to be provided on the frame (47);
A release wire (58) is connected to the lock plate (54).
And raise the marker (48), store it, and
Left or right by the forward or reverse operation of the removal motor (60)
Of the lock plate (54) by pulling the release wire (58)
The marker (48) to the working position.
In the rice transplanter marker device, the release motor (60)
An operation plate (63) to be fixed, and a pivot shaft of the operation plate (63)
(64) is engaged with the long hole (65) so that the left and right wires (5
8) a connecting metal fitting (66) for connecting in the opposite direction,
A switch (67) for detecting a neutral position of the plate (63);
And the release motor (60) is connected to the rice transplanting machine body (24).
A marker device for a rice transplanter characterized by being fixedly mounted on a rice transplanter.