JPS611301A - Rolling and pitching apparatus of moving agricultural machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a rolling and pitching device for mobile agricultural machines, and can be used in rice transplanters, seeding machines, and the like.

Problems to be Solved by the Invention In rice transplanters, the soil condition is detected by the sliding of a float installed at the bottom of the working device at the rear of the traveling vehicle body on the soil surface, and the pitching detection device and pitching detection device are detected by the movement of this float. Seedlings are planted while the rolling detection device is running in a controlled manner, but if the detection sensitivity of the rain detection device is too insensitive due to the soft surface of the soil, the planting depth may vary.
Also, the posture of transplanting tends to be poor.

Means for Solving the Problem This invention detects soil conditions and adjusts the soil condition detection sensitivity of a pitching detection device (3) that raises and lowers a working device (2) attached to a traveling vehicle body (1); The working device (2
) A rolling and pitching device for a mobile agricultural machine is provided with an operation mechanism (5) that operates in conjunction with adjustment of the soil condition detection sensitivity of a rolling detection device (4) that tilts the soil condition detection device (4) to the left and right.

Functions and Effects of the Invention During work traveling, the float provided at the bottom of the working device (2) of the traveling vehicle body (1) slides on the soil surface.
A float detects the soil condition, and the movement of the float activates a pitching detection device (3) that raises and lowers the working device (2), and a rolling detecting device (4) that tilts the working device (2) from side to side. However, when adjusting the detection sensitivity of these rain detection devices (3) and (4), operate the operating mechanism (5).When the soil surface is soft, the operating mechanism When (5) is adjusted to the soft side, both detection devices M (3) and (4) operate sensitively, and when the soil topsoil surface is hard, adjusting the operating mechanism (5) to the hard side causes the detection devices M (3) and (4) to operate sensitively. The rain detection devices (3) and (4) operate in an insensitive manner, allowing stable work to be carried out by always maintaining a working posture at a constant depth regardless of whether the soil surface is soft or hard. Detection device (3) and rolling detection device (
4) can be adjusted to the same degree, the pitching operation and the rolling operation can be balanced, and the sensitivity adjustment operation can be simplified.

Embodiment In the illustrated example, the traveling device (6) is the traveling vehicle body (1).
The front wheels (7), (7) are mounted on the left and right sides of the front, and the rear wheels (9), (7) are mounted on the left and right sides of the rear wheel cases (8), (8).
9), a driving m (10), an operating handle (+i), and a gear case (12) are provided at the upper front, a seat (13) is provided at the upper rear, and the gear case (12)
A hydraulic device (14) is attached to the lower part and is driven as appropriate. A coupling device (+5) that can be moved up and down in a link configuration is provided at the rear part of the traveling vehicle body (1), and this coupling device (15
) A connecting pipe (18) is provided protruding rearward from the center of the connecting pipe (1B), and a rolling post (+7) is inserted into this connecting pipe (1B) so that it can freely rotate left and right. A gear case (18) for driving the working device (2) is provided at the rear of this rolling post (17), and this gear case (18)
A working device (2) is provided at the rear of the gear case (1), and a frame (19) is provided at the rear of the gear case (1). It has a sloping seedling tank (2o), and this seedling tank (2o) is attached to the rear.
) is provided with a seedling holder w (21) for transplanting the seedlings loaded into the container.

(22), (22) are left and right floats, which are located on the rear outer side of the rear wheel (9), and are attached to a shaft horizontally installed from the gear case (18) with a float ring at the front so that they can move up and down. ,
The rear part is rotatably supported on the frame (19).

(23) is the center float, and the front part is the gear case (1
8) Attach the float link (25), which has a dogleg-shaped link configuration when viewed from the side, to the support rod (24) that protrudes further forward than the bin (26).
) so that it can be moved up and down, and the rear part is attached to the frame (19).
It is pivoted so that it can rotate freely. A valve (27) of the pitching detection device (3) is installed between the end of the bin (28) and the lower mounting bin of the float link (25) of the central float (23).
) has been established.

The pitching detection device (3) consists of the hydraulic device (14) and the valve (27), the hydraulic device (14) consists of a cylinder and a piston, and the central float (23)
), the valve (27) operates, and the piston of the hydraulic device (14) operates, causing the coupling device (+5),
moves up and down to raise and lower the work equipment H(2).

The rolling detection device (4) includes a horizontal sensor (28),
It consists of an electromagnetic valve (29) and a hydraulic device (3o), and the horizontal sensor (28) consists of a case (31) and a proximity sensor (32), and this case (31) is installed above the seedling tank (20). The electromagnetic valve (29) is fixed to the side part of the seat (+3), and the hydraulic device (30) is composed of a cylinder and a piston;
An arm (33) protruding from the rolling post (17)
and an arm (34) protruding from the connecting pipe (113).
A spring is inserted into the piston between the arms (33) and the arms (33), so that the proximity sensor (32) is activated by tilting the seedling tank (20) from side to side. The solenoid valve (28) operates, the piston of the hydraulic device (30) operates, the rolling post (17) rotates left and right, and the working device (2) is tilted left and right. Constructed in conjunction with relationships.

an operating mechanism (5) that operates in conjunction to adjust the detection sensitivity of the pitching detection device (3) and the rolling detection device (4);
An operation case (35) is provided on the side of the seat (13), and the sensitivity adjustment of the pitching detection device (3) of the operation mechanism (5) is performed using a wire (7C7-) at the rear end of the link C25).
36) Attach one end, attach a spring (37) to the other end, and attach this spring (37) to the operation case (35).
The sensitivity lever (38) is attached to a sensitivity lever (38) provided in the operating case (35), and an appropriate groove is provided in the upper part of the operation case (35), so that the sensitivity lever (38) can be fixed at an appropriate position. The sensitivity lever (38
), if the spring (37) is operated in a direction that extends, the soil condition detection sensitivity of the pitching detection device (3) becomes insensitive, and conversely, if the spring (37) is operated in a direction that does not extend, Pitching detection device (3)
The pitting detection device (3) is configured to have a sensitive detection sensitivity for the soil condition, and when the topsoil surface is soft, the pitting detection device (3) is operated to have a sensitive detection sensitivity. The sensitivity of the rolling detection device M (4) of the operation mechanism (5) can be adjusted by connecting a wire (39) to the proximity sensor (32) and connecting the end of this wire (39) to the sensitivity lever (3).
8), and a spring (40) is inserted and locked into the wire (38) between the proximity sensor (32) and the receiving plate, and the proximity sensor is activated by operating the sensitivity lever (38). (32) is configured such that the switch parts of the proximity sensor (32) approach and separate from each other, and when the sensitivity lever (38) is operated in a direction in which the switch parts of the proximity sensor (32) are moved apart, the rolling detection device (4 ) is insensitive to the detection of the soil condition, and conversely, when the switch parts of the proximity sensor (32) are operated in a direction in which they approach each other, the detection sensitivity of the soil condition of the rolling detection device (4) becomes sensitive. When the topsoil surface is soft, the rolling detection device (4) is operated to the side where the detection sensitivity is sensitive. By operating the sensitivity lever (38), the pitching detection device (3) and the rolling detection device (4) are activated.
Both the pitching detection device (3) and the rolling detection device (4) are configured to operate on the sensitive side, and when operated in the opposite direction, both the pitching detection device (3) and the rolling detection device (4) are operated on the insensitive side.

The front wheels (7) and the rear wheels (9) are driven by the prime mover (10).
) rotates, and the traveling vehicle body (1) moves forward.

The hydraulic device (14) lowers the coupling device (15) to lower the work equipment w (2), and the left and right floats (22), (
22) and the center float (23) while sliding on the ground, the seedlings loaded in the seedling tank (20) which is moved from side to side by the gear case (18) are separated from the seedling take-out port, and the seedlings are separated from the left and right by the seedling cutting device (21). Float (22), (22) and the central flow) Transplant into the soil leveled by (23). Due to the unevenness of the tiller in the paddy field during the planting operation, the pressure applied to the bottom of the central float (23) changes, and this pressure causes the central float (23) to move up and down, causing the central flow (23) to change. A hydraulic device (
The piston (14) operates, the coupling device (15) moves up and down, and the working device (2) rises or descends depending on the unevenness of the tiller, and the working device (2) always moves against the unevenness of the tiller. ) is maintained at an appropriate vertical position, and at the same time, the piston of the hydraulic system (30) that is linked to the proximity sensor (32) of the rolling detection device (4), which is activated by the tilting of the seedling tank (20), is activated to prevent rolling. The post (17) rotates left and right, the working device (2) rotates left or right, and the working device (2)
is always maintained horizontally, but a sensitivity lever (38) adjusts the detection sensitivity of the pitching detection device (3) and rolling detection device (4) in advance depending on the condition of the topsoil surface.
For example, when the topsoil surface is soft, the detection sensitivity of the rain detection devices (3) and (4) becomes more sensitive. Both rain detection devices M (3) and (4) sensitively detect the soil condition and maintain the rain detection devices (3) and (4) in the proper positions vertically and horizontally to ensure stable planting depth and insertion. The plant should be placed in a planting position.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a side view, FIG. 2 is a front view of a portion thereof, and FIG. 3 is a perspective view of a portion thereof. In the figure, code (1) is the running vehicle body, (2) is the working device, and (3
) indicates a pitching detection device, (4) indicates a rolling detection device, and (5) indicates an operating mechanism.

Claims (1)

[Claims] Adjusting the soil condition detection sensitivity of the pitching detection device (3) that detects the soil condition and raises and lowers the working device (2) attached to the traveling vehicle body (1), and tilting the working device (2) left and right. A rolling and pitching device for a mobile agricultural machine, which is provided with an operation mechanism (5) that operates in conjunction with adjustment of the soil condition detection sensitivity of a rolling detection device (4).