JP2009131203A5 - - Google Patents

Claims (6)

An elevating link (14) is provided at the rear end of the traveling vehicle body (2), and the work machine can be attached and detached to selectively attach a plurality of kinds of work machines including a seedling transplanter and a seeder (3). In the multipurpose machine in which the hitch (16) is provided at the tip of the lift link (14), the seeder (3) has a plurality of floats (19) for leveling the field, and each float mounting structure (100 , 101, 102), and a structure in which a soaking groover (7) is attached to each float (19) , and a plurality of types of float mounting structures (100, 101 ) corresponding to a plurality of types of seeding strips are provided. , 102) are provided in different positions in the left-right direction, and the position in the left-right direction of the float (19) can be changed by selecting the float mounting structure (100, 101, 102) to which the float (19) is attached. Many configured Target machine. Among the float mounting structures (100, 101, 102) provided corresponding to the plurality of floats (19), some of the float mounting structures (100, 101) are different types when different sowing lines are used. The multipurpose machine according to claim 1, wherein the multipurpose machine is arranged at a position where it can be shared as a floating mounting structure. A float (19) is attached from a part of the float mounting structure (100, 101) via a spacer (103). The multipurpose machine according to claim 2, wherein the multipurpose machine is configured to be shared as a float mounting structure. The seeding machine (3) includes a seed tank (4), a feeding device (5) provided on the lower side of the seed tank (4), and a seed grooving device (7) from below the feeding device (5). A feeding rod (6) extending toward the upper seed supply port is provided, and the feeding device (5) is in contact with the feeding roll (22) having a large number of seed grooves (21) and the surface of the feeding roll (22). The multi-purpose according to claim 1, further comprising: an iron plate (26a) that suppresses deformation of the brush (26) on a side surface of the brush (26) on the lower side in the rotational direction of the feeding roll (22). Machine. A float sensor (84) for detecting the front / rear inclination angle of the float (19) is provided, and the seeding machine (3) is controlled to move up and down so that the detection value of the float sensor (84) becomes a predetermined value. For drainage, which is provided with a sensitivity adjustment dial (85) for changing the control sensitivity in raising and lowering control, a softness sensor (86) for entering the soil and detecting the softness of the field, and forming a drainage groove on the side of the sowing line The groover (33) is provided at the rotating tip of the arm (35) that rotates between the plurality of floats (19) and vertically, and the arm (35) is urged to rotate. A drainage grooving vertical motor (105) that changes the pressing load of the drainage grooving device (33) to the field by operating the grooving device pressing spring (87) is provided. Installation, sowing section with sensitivity adjustment dial (85) 3) A control unit (65a) for controlling the operation of the drainage grooving motor (105) in conjunction with the control sensitivity in the lifting control or the detection result of the field softness by the softness sensor (86) is provided, The multipurpose machine according to claim 1, further comprising a stand (106) integrated with the arm (35). An elevating link (14) is provided at the rear end of the traveling vehicle body (2), and the work machine can be attached and detached to selectively attach a plurality of kinds of work machines including a seedling transplanter and a seeder (3). The multipurpose machine in which the hitch (16) is provided at the tip of the lift link (14), and the rotor part (120) is provided on the traveling vehicle body (2) side from the detachable hitch (16).