JP3396794B2 - Row coating machine - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ridge coater for continuously forming ridges in a field or the like by equipping a ridge coater behind a traveling vehicle such as a tractor. About. [0002] In the case of a construction means in which the cultivation depth is always kept substantially constant by controlling the raising and lowering of the ridge coating main body based on the detection of unevenness on the rice field surface, As the ridge shaping plate moves up and down as a whole, the upper surface of the ridge is weakened when the ridge shaping plate is moved upward, and the tightening of the ridge upper surface is too strong when the ridge shaping plate is moved downward. There is an inconvenience that the coating thickness for the original ridge is not constant. Therefore, every time the ridge coating main body is controlled to rise and fall, the ridge shaping section also needs to be moved up and down, and there is a problem that workability and work accuracy are inferior due to delays and errors in this response. . SUMMARY OF THE INVENTION Accordingly, the present invention is directed to a ridge coater in which a traveling vehicle is equipped with a ridge coating device for forming an upper surface and a slope of a ridge by a ridge shaping plate on a traveling vehicle so as to be able to move up and down. , A main body elevating control means for performing elevating control of the ridge coating device based on the detection of the sensor plate, and a ridge for elevating the ridge shaping plate in conjunction with the operation of the main body elevating control means Providing a shaping unit elevating control means,
When the main body of the ridge coating device moves up and down due to changes in the unevenness of the rice field, the ridge shaping part also moves up and down in conjunction with this, and the coating thickness on the original ridge is always kept almost constant, and it is accurate and stable ridge coating It makes the work possible. Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is a elevation control circuit diagram of a ridge shaping unit, FIG. 2 is a plan view of a ridge coating machine, FIG. 3 is a plan view of a ridge coating device, and FIG. 4 is a rear view of the same. 2) A tractor that is a traveling vehicle having (3) and is configured to steer the vehicle body by turning a front wheel (2) by operating a steering wheel (5) in front of a driver's seat (4). . A ridge coating device (7) is provided on the right side behind the tractor (1) via a three-point link mechanism (6) so as to be able to move up and down freely, and the lower links (8) and (8) of the tractor (1) are provided. ) And the top link (9) are connected to the left end side of the ridge coater main body case (10), towed by a tractor, and to a rotary claw (12) for plowing and a rotary blade (13) for throwing of the earthing rotary (11). The rotary cover (1) on the rear surface of the right end of the main body case (10).
4) Rotate these claws (12) and blades (13), which are provided inside and are coaxially attached, counterclockwise in rear view, and cut the rice field on the side of the original ridge (A) with the rotary claws (11) to remove soil. While crushing, a mud cover (15) is arranged above the upper surface of the ridge, mud is formed by a rotary claw (12), and mud scattered from a blade (13) rotated on the rear side is removed by mud in the mud cover (15). It is configured to drop on the upper surface of the ridge by the guidance of the shutter. As shown in FIG. 5, a ridge shaping plate (16) for forming a new ridge (B) is disposed behind the mud cover (15), and a pair of hydraulic pumps (17) and a motor (18) are provided. ), The ridge shaping plate (16) is fixedly mounted on a vibrator (19) driven by the above method, and the shaping plate (16) is vibrated by the vibrator (19) to shape the mud from the blade (13) and the mud cover (15). A new ridge (B) is formed by shaping by the ridge coating action of the plate (16). Further, the vibrator (19) is suspended from a vibrator mounting seat (20) via a swinging spring (21), and the mounting seat (20) is mounted on a vibrator arm (22) made of a square pipe. While being fixed to the right end,
One end of the parallel link (23) (24) is connected to the left end of the vibrator arm (22), and each link (2
3) (24) The other end is connected to both ends of the horizontal frame (25a) of the T-shaped lifting frame (25), and the parallel link (2)
3) A bracing link (26) for restricting the swing of (24) is provided, and a vertical frame (25) of the lifting frame (25) is mounted on a guide frame fixedly supported on the rear side surface of the main body case (10).
b) is slidably inserted up and down, and the main body case (1) is inserted.
A vibrator arm (22) is disposed substantially horizontally in the left and right direction on the right rear side of (0), and the vertical frame (25b) is tilted rightward so as to be substantially parallel to the slope of the new ridge (B). ing. Further, an elevating cylinder (27) with an electric motor is mounted on a cylinder mounting seat which is connected and supported on the rear side of the main body case (10), and a tip of a piston (28) of the cylinder (27) is connected to the vertical frame. (25b) Connected to the coupling shaft (29) on the lower end side, the piston (28) of the elevating cylinder (27) as the elevating control means is moved forward and backward by the forward / reverse rotation operation of the electric motor, and the elevating frame (25) is moved up and down. And vibrator arm (22) and ridge shaping plate (1
6) and so on. Further, the base end of the mud cover frame (30) is fixed to the lifting frame (25), the mud cover (15) is fixed to the tip of the frame (30), and the right side of the main body case (10). The mud scattering prevention cover (31) fixed to the surface is superimposed on the upper surface and the front and rear surfaces of the mud cover (15), and the covers (25) and (31) prevent the mud from scattering by the rotary (11). are doing. Further, a round pipe-shaped sled (32), which is long in the front-rear direction and slides on the rice field surface, is supported on the lower left and right substantially below the center of the main body case (10) so as to be vertically adjustable, and has a scraper function. The coulter (34) is attached to the front end of the sled (32) via the bearing arm (33), and the sled (3)
2) The coulter (34) is arranged so that the coulter (34) is brought as close as possible to the front end to prevent the clogging of the straw, and the side disc can be attached to the rear end of the sled (32) so as to be adjustable in height.
The soil of the cut rice field is moved by the side disk at the edge of the ridge to fill the groove formed by the rotary (11). Further, a hydraulic oil tank (35) for communicating with a hydraulic pump (17) and a hydraulic motor (18) is provided on the left side of the main body case (10), and is close to the tank (35). A hydraulic pump (17) is provided on the rear side of the main body case (10), and each hydraulic hose (36) () is connected between the tank (35) and the pump (17) and between the pump (17) and the motor (18). 37). As shown in FIG. 10, an input shaft (40), which is a ridge coating drive shaft of the main body case (10), is connected to a PTO shaft (39) of a transmission case (38) of the tractor (1) in an interlocking manner. An input shaft (40) via a chain (42) interlocked with a torque equal to or less than a predetermined value by a bolt (41).
And a chain (45) connected to a rotary drive shaft (44) of the rotary (11).
The counter shaft (43) is linked and connected via
An input shaft (40) is interlockedly connected to a pump drive shaft (46) of the hydraulic pump (17) via a chain (47),
The rotation of the input shaft (40) drives the rotary (11) and the vibrator (19). As shown in FIG. 3, FIG. 4, FIG. 6, FIG. 7, and FIG. 8, a furrowing device (7) is provided with a cultivation depth detecting device (48) of a mulch rotary (11) for detecting unevenness on a rice field surface. Things
A substantially L-shaped sensor plate (49) is provided on the rear surface of the main body case (10) on the center line of the tractor (1) so that the lower end of the tractor is grounded. It is configured as follows. The sensor plate (49) is attached to a bracket (50) on the rear side of the body case (10) by a pivot (5).
The input shaft (40) is supported so as to be vertically movable through an upper end thereof. The main body case (10) supporting the rear end of the input shaft (40) is integrally formed with a bearing (52) on a rear side surface via a bolt (53). Fixing the bracket (50), the bracket (50)
The cylinder shaft (54) at the upper end of the sensor plate (49) is integrally connected to a pivot shaft (51) rotatably attached to the lower end of the sensor plate (49). Further, a reinforcing vertical frame (55) is integrally fixed to a rear side surface of the sensor plate (49) which is a reaction surface side, and a rod mounting seat (56) fixed to the bracket.
And a vertical frame (55) are connected by a pressure rod (57), and are attached to a U-shaped bracket (58) fixed substantially at the center of the vertical frame (55) via a rotating shaft (59). The lower end of the pressure rod (57) is attached rotatably,
The upper end of the pressure rod (57) is connected to the bracket (58).
And the upper part thereof is engaged with the bracket (56) via a bolt (60). A spring receiver (63) is attached to one of a plurality of adjustment pin holes (61) formed at the lower end of the pressure rod (57) via a pin (62). A pressure spring (6) can be freely adjusted between the mounting seats (56).
4), the sensor plate (49) with a predetermined spring pressure
Is configured to be grounded. Further, a wire mounting piece (66) is provided at the upper end of the pressure rod (57) via a bolt (65) so as to be adjustable in mounting position, and a pin (67) of the mounting piece (66) is provided.
And one end of an outer tube (69) of the wire (68) is fixed to the mounting seat (56). On the other hand, the other end of the sensor wire (68) is connected to a lifting / lowering valve (70) of a hydraulic lift, which is lifting / lowering control means for lifting / lowering the row coating device (7) via a three-point link mechanism (6). The sensor arm (7) attached to the control shaft (71) of the lift valve (70)
2) The other end of the wire (68) is connected via a pin (73), and the outer tube (69) is connected to a top link hinge (74) for mounting a top link (9).
An outer receiver (75) supporting the other end of the sensor plate (49) is fixed, and a sensor plate (49) centered on the pivot shaft (51).
At the time of upward movement or downward movement, the ridge coating device (7) is controlled to move up or down so as to keep the plowing depth of the rotary (11) substantially constant. Further, the sensor plate (49) and the pressure rod (51) are brought close to the pivot shaft (51) with the rod through hole (56a) of the mounting seat (56) supporting the pressure rod (57) close to the pivot shaft (51). The relationship angle (θ) of (57) is formed to be a small acute angle so that when the pressure of the pressure spring (57) whose pin (62) is changed is adjusted, the spring pressure can be finely adjusted. It is what was constituted. Further, the tip contact portion (49a) of the sensor plate (49) has an inverted 3
It is formed in a rectangular shape, and is configured so that the plate (49) is grounded with a substantially constant pressing force with respect to a change in the vertical movement of the sensor plate (49). As shown in FIG. 9, the elevating cylinder (27) is pivotally supported on a cylinder mounting seat fixed to the main body case (10) via a pivot shaft (76). (10) The intermediate portion of the vertical frame (25b) of the lifting frame (25) is moved up and down by the guide frame (77) fixed to the rear side surface and the guide rollers (78) (79) provided integrally with the frame (77). It is slidably supported and a lock pin (8) is attached to the guide frame (77).
0) is provided so as to appropriately fix the vertical frame (25b). Then, the coupling shaft (2) is attached to a coupling member (82) fixed at a lower end of the vertical frame (25b) to a plurality of upper and lower locations via set bolts (81) so that the mounting position can be changed.
9) is provided, and by changing the mounting position of the connecting member (82) to the upper or lower (a) (b) position, the connecting shaft (29) with the piston (28) is changed up and down, and While aiming to secure the cost of lowering and raising the shaping board (16),
The vertical frame (25b) is slid up and down by the forward / reverse rotation of an electric motor (83) provided on the cylinder (27) to move the ridge shaping plate (16) up and down. As shown in FIG. 1, the pivot shaft (5
A potentiometer type tillage sensor (84) provided at one end of 1) to detect the vertical movement of the sensor plate (49);
The automatic switch (85) is connected to the controller (86) by inputting, and the controller (8) is connected to the electric motor (83) of the lifting cylinder (27) and the alarm (87).
6) is connected to the output so that forward / reverse drive control of the electric motor (83) is performed based on the detection of the tillage depth sensor (84). This embodiment is configured as described above, and this operation will be described below with reference to the flowchart of FIG. 11 and the ridge shaping explanatory diagram of FIG. When the sensor plate (29) is raised or lowered due to unevenness of the rice field during the ridge coating operation, the lift valve (70) is operated via the sensor wire (68) to operate the ridge coating device (7). The whole is controlled to be raised or lowered by the hydraulic lift of the tractor (1), and the cultivation rotary (11) is automatically adjusted to an appropriate depth when the cultivation depth is too large and the cultivation depth is too large and the cultivation depth is too small. Is done. Further, when the elevation control of the ridge coating device (7) is performed by raising or lowering the sensor plate (49), the cultivation depth sensor (84) controls the ridge coating device (7) of the ridge shaping plate (16). In the reverse movement direction, the raising and lowering control of the same amount of movement is performed simultaneously, and the cultivation depth sensor (84) increases the cultivation depth (the sensor plate (49) increases) or decreases the cultivation depth (the sensor plate (49)). Is detected by the electric motor (83) of the elevating cylinder (27) in the reverse direction by the same amount as the elevating amount of the ridge coating device (7).
6) is moved up and down, and the coating thickness for the original row (A) is kept constant. In other words, only by controlling the raising of the ridge coating device (7), the tightening of the upper surface of the ridge is weakened by raising the ridge shaping plate (16). Conversely, by merely controlling the lowering of the ridge coating device (7),
By the lowering of the ridge shaping board (16), the tightening of the ridge upper surface is also strong,
The heavy load on the vibrator (19) is eliminated by the follow-up control of the lifting cylinder (27). FIG. 13 shows that the hydraulic oil tank (35) is movably provided on the left outside of the main body case (10) so as to improve the left-right balance with the ridge coating device (7). At the left end of a tank base (88) having the right end fixed to the main body case (10), an extended tank base (90) is extended via a rotation shaft (89) so as to be foldable by 90 degrees. A tank (35) is movably provided on the (90) by a tank wheel (91), and a guard frame (9) having a right end fixed above the main body case (10).
A hook (93) is attached to the left end of (2), and when the tank (35) is moved to the horizontal left end position of the extension tank base (90), the hook is attached to a positioning pin (94) provided to be able to protrude forward and backward in the tank (35). (93) to lock the tank (35) in this leftward movement position, while moving the tank (35) to the right side to be stored in the main body case (10), the extension tank Stand (90) approximately 9
The tank (35) is raised up to 0 degrees, and a lock pin (95) provided on the tip side of the table (90) is engaged with the hook (93) so that the left outer side of the tank (35) is covered with the extended tank table (90). Provided. The tank (35) is moved to the left during work or when the ridge coating device (7) is detached, so that the left-right balance is improved, and the straightness and the workability in the detachment work are improved. is there. Although the embodiment in which the sensor plate (47) and the elevating valve (70) are linked to each other by the sensor wire (68) has been described, the sensor plate (47) may be electrically connected to the sensor plate (49). Shaping plate (1)
The movement amount of 6) may be determined and the electric cylinder (27) may be driven in conjunction therewith. In this case, if the speed is determined and the speed is simultaneously controlled, the accuracy can be further improved. As is apparent from the above embodiments, the present invention provides a traveling vehicle with a ridge coating device (7) for forming the upper surface and slope of the ridge by a ridge shaping plate (16) so as to be able to move up and down freely. A ridge coating machine to be used, a sensor plate (49) for detecting unevenness of a rice field surface, and a main body lifting / lowering control means (70) for controlling lifting / lowering of the ridge coating device (7) based on the detection of the sensor plate (49); A ridge shaping section elevating control means (27) for raising and lowering the ridge shaping plate (16) in conjunction with the operation of the main body elevating control means (70) is provided. Row coating device (7) When the main body is moved up and down, the ridge shaping section also moves up and down in conjunction with this to keep the coating thickness on the original row (A) almost constant at all times. Those that have remarkable effects such as enabling work It is.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an elevation control circuit diagram of a ridge shaping section. FIG. 2 is a plan view of the ridge coater. FIG. 3 is a plan view of the ridge coating device. FIG. 4 is a rear view of the ridge coating device. FIG. 5 is an explanatory diagram of a ridge shaping section. FIG. 6 is an explanatory side view of a sensor plate portion. FIG. 7 is an explanatory rear view of the sensor plate unit. FIG. 8 is an explanatory view of a lift valve unit. FIG. 9 is an explanatory view of a lifting cylinder unit. FIG. 10 is an explanatory diagram of a ridge coating drive system. FIG. 11 is a flowchart. FIG. 12 is an explanatory diagram of ridge shaping. FIG. 13 is an explanatory diagram in which a hydraulic oil tank is movable. [Description of Signs] (7) Row coating device (16) Row shaping plate (27) Lift cylinder (lift control means) (49) Sensor plate (70) Lift valve (lift control means)

Claims (1)

(57) [Claims 1] An unevenness of a rice field surface is detected in a ridge coating machine in which a traveling ridge is equipped with a ridge coating device that forms an upper surface and a slope of a ridge by a ridge shaping plate in a vertically movable manner. A sensor plate, a main body elevating control means for performing elevating control of the ridge coating device based on the detection of the sensor plate, and a levee shaping part elevating for elevating the ridge shaping plate in conjunction with the operation of the main body elevating control means A ridge coater characterized by comprising control means.