JP2000078913A - Rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rice transplanter capable of readily improving workability for supplying a seedling to a planting part, bettering workability for feeding a fertilizer to a fertilizing part, etc., and readily improving balance, etc., by lowering of the center of gravity of a traveling vehicle by constituting the rice transplanter so as to recover the residual fertilizer of the fertilizing part at a specific position. SOLUTION: This rice transplanter for fitting a fertilizing part 36 to a traveling vehicle 1 is constituted so as to recover the residual fertilizer of a fertilizing part 36 at the side position of the machine body. In this manner, the fertilizing part 36 can be arranged close to the top of the traveling vehicle 1 and a structure for raising the fertilizing part 36 or a removing operation can be eliminated. The manuring part 36 can be attached to the lower position of the top of the traveling vehicle 1. A residual fertilizer at a central row can be readily recovered at the sides of the row and the recovery operation of the residual fertilizer can be readily simplified.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice transplanter having a seedling mounting table and planting claws for continuously performing seedling planting operations and for applying fertilizer to the side of a planting strip.

[0002]

Conventionally, Japanese Unexamined Patent Publication No. 5-27 is disclosed.
As disclosed in Japanese Patent No. 6818, there is a technique of equipping a traveling vehicle with a fertilizer application section. However, by disposing the fertilizer application section close to the upper surface of the traveling vehicle, it is not possible to easily collect residual fertilizer in the fertilizer application section. It is necessary to raise or remove the part to recover the residual fertilizer, or by installing the fertilizer application part at a high position on the top of the traveling vehicle, the recovery of the residual fertilizer can be easily performed. There is a problem that it is not easy to improve the workability and the workability of supplying the fertilizer to the fertilizer application section, and it is not easy to improve the balance due to the decrease in the center of gravity of the traveling vehicle.

[0003]

According to the present invention, there is provided a rice transplanter having a fertilizer applied to a traveling vehicle, provided with a receiving member for collecting residual fertilizer in the fertilizer at a position lateral to the machine body. The fertilizer application section can be placed close to the top of the traveling vehicle, and the structure that raises the fertilizer application section can be eliminated. It is possible to easily collect the residual fertilizer on the central strip from the side, simplify the recovery of residual fertilizer, improve the workability of supplying seedlings to the planting area, and improve the workability of supplying fertilizer to the fertilizer application area. Can be easily achieved.

[0004]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view of a riding rice transplanter, and FIG. 2 is a plan view thereof. In the drawing, (1) shows a traveling vehicle on which an operator rides, and an engine (2) is mounted above a front portion of a body frame (3). A front paddle traveling front wheel (6) is supported in front of the transmission case (4) via a front axle case (5), and a rear axle case (7) is connected to a rear portion of the gear transmission case (4). The rear axle case (7) supports a paddy field traveling rear wheel (8). Then, a spare seedling mounting table (10) is attached to both sides of the hood (9) covering the engine (2) and the like, and a step (11).
The transmission case (4) and the like are covered by a vehicle body cover (12) on which an operator rides, and a driver's seat (13) is mounted above the vehicle body cover (12), and the driver's seat (13) is provided in front of the driver's seat (13). A steering handle (14) is provided at the rear of the hood (9).

[0005] In the figure, reference numeral (15) denotes a planting section provided with a seedling mounting table (16) for eight-row planting 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 support frame (24) is provided on the front side of the planting case (20) via a rolling fulcrum shaft (23), and travels via a link mechanism (27) including a top link (25) and a lower link (26). A support frame (24) is connected to the rear side of the vehicle (1), and a lifting cylinder (28) for raising and lowering the planting section (15) is connected to the lower link (26) via the link mechanism (27). Front and rear wheels (6)
(8) is driven to move and at the same time, a seedling for one plant is planted from the seedling mounting table (16) which is reciprocally slid left and right.
7), the seedlings are continuously planted.

[0006] In the figure, (29) is a traveling speed change lever,
(30) is an auxiliary speed change lever for planting elevating and working travel shifting,
(31) is a setting sensitivity adjusting lever, (32) is a main clutch pedal, (33) and (33) are left and right brake pedals,
(34) is a center float for two-row equalization, (35) is a side float for two-row equalization, and (36) is an eight-row side fertilizer.

Further, as shown in FIGS. 3 and 4, a fertilizer application hopper (37) for adding fertilizer, a fertilizer feeding case (38) which is a fertilizer feeding section for quantitatively feeding fertilizer, and a float (3).
4) A turbo blower-type blower (41) for discharging fertilizer through a flexible transfer hose (40) to the side striation groove device (39) of (35), and an air tank (42) which is a cylindrical air supply pipe. ) Is provided in the fertilizer application section (36), a blower (41) is attached to the right end of the air tank (42), and eight sets of fertilizer feeding cases (38) for eight rows are arranged above the air tank (42). Let me.

Further, as shown in FIGS. 5, 6, and 9, a horizontal frame (44) extending between upper ends of left and right supports (43) at the rear end of the body frame (3) and left and right base frames (45) on both sides. (45) is attached, and the fertilizer application section (3) is interposed through the base frame (45) which is laid substantially horizontally in the front-rear direction.
6), a side stay (46) is connected between the rear end of the base frame (45) and the vehicle body frame (3), and a round pipe-shaped front and rear lateral frame fixed to the front and rear of the base frame (45). Left and right bearing plates (49) and (50) are fixed to both ends of (47) and (48).

The upper front sides of the left and right bearing plates (49) and (50) are integrally fixed by a round pipe-shaped horizontal frame (51), and the upper rear side is integrally fixed by a square pipe-shaped horizontal frame (52). Four pipe frames (47) (48) in directions
(51) (52) and the left and right bearing plates (49) and (50) form a rigid box-shaped frame frame (53), and eight sets of case front and rear brackets are provided on the horizontal frames (51) and (52). (54) and (55) are fixed, and 8
The front side and the rear side of the set feeding case (38) are respectively attached to the case front and rear brackets (54) (55) by bolts (54a).
(55a), it is detachably fixed.

As shown in FIGS. 10 and 11, the resin air tank (42) is detachably fixed between the front sides of the left and right bearing plates (49) and (50), and is fixed to the right end of the tank (42). A blower (41) to be connected is supported by a base (56) fixedly mounted on the right end of the frame (47) so as to be foldable forward through a pivot (57) and a rotating frame (58). The air tank (42) has a flange (42a) of a stopper bonded and fixed to the right end inserted into the hole (50a) of the right bearing plate (50), and the left end inserted through the hole (49a) of the left bearing plate (49). The left end of the air tank (42) is packed with a packing (61) to the lid (60), which protrudes outside the bearing plate (49) and is fixed to the outer wall of the bearing plate (49) with bolts (59). And fixed in a hermetically closed state, and the blower ( 1) and is configured to perform separate secure attachment of lightweight air tank with resinous (42).

As shown in FIG. 7, the feeding case (38)
The lower outlet (63) of the hopper (37) is fitted into the inlet (62) on the front side of the upper surface of the hopper, and the outlet (64) is formed on the lower side of the front surface of the feeding case (38). The outlet (64) is closed by (65).

In addition, a bottom cover (66) is detachably fixed to the lower surface of the feeding case (38), and an outlet (67) is formed on the lower surface of the bottom cover (66) made of hard synthetic resin. (42) is provided with a joining pipe (68) made of a soft synthetic resin for fitting the front end thereof,
8) Hose joint made of hard synthetic resin at the rear end (69)
The front end is detachably fitted, the transfer hose (40) is fitted to the rear end of the joint (69), and the blower (41) blows air from the air tank (42) to each pipe (68). The joint (69) forming a T-shaped flange by blowing the fertilizer into the joint (69) from the outlet (67) of the bottom lid (66) and moving the fertilizer falling in the middle of the joint (69) to the transfer hose (40).
An inlet (70) is formed upward and open in the middle, and the bottom lid (6) is formed.
The fitting cap (71) is fixed to the outlet (67) of (6), the cap (71) is detachably fitted to the outer wall of the inlet (70), and the outlet (67) is connected to the inlet (70). And the mounting plate (7) is attached to the air tank (42).
2) is integrally fixed, and the joint (69) is fixed to the mounting plate (72) by bolting.

Also, an intake (73) and an outlet (74).
, A feed plate (77) which is a feed roll having a plurality of substantially square feed outlets (76) on the same circumference, and an outlet plate (79) having a discharge port (78). And each plate (75) (77) (7)
9) is arranged in a multilayered manner between the feeding case (38) and the bottom cover (66), and the feeding shaft (8) is attached to the feeding case (38).
0) is rotatably supported substantially vertically, and each plate (75) (7)
7) The lower end of the feed shaft (80) is made to penetrate the center of (79), and the spring (81) is resiliently pressed from below on the lower surface of the outlet plate (79), and each plate (75) (77) (79) is pressed. The plate (75), (77), (79) is supported by the feeding shaft (80) so as to be able to be pulled out downward, and the closing lever is used to pull out the plates (75), (77), (79).
8) and between the bottom cover (66) and the entrance plate (7
5) and the outlet plate (79) are locked to the feeding case (38), and the feeding shaft (80) rotates freely with respect to each plate (75) (79), and the feeding plate (77) is connected to the feeding shaft ( 80), the feed plate (77) is forcibly rotated by the feed shaft (80), and the feed port (76) is moved from the inlet (73).
The fertilizer that has entered is moved to the outlet (78) and
7) It is configured to drop in the direction.

As shown in FIGS. 3 and 8, a drive shaft (83) for inputting the output of the engine (2) via a PTO shaft (82) is provided on a left support (43). A crank plate (84) is provided at the rear end. In addition, the frame frame (53) supports a single adjusting member, a feed amount adjusting lever (87), via a bracket (85) and a shaft (86), and adjusts via a support shaft (88). A link (89) and a fulcrum link (90),
The adjusting link (89) is connected to the screw portion (87a) of the lever (87), the adjusting fulcrum (91) is attached to the fulcrum link (90), and the driving arm (9) is attached to the fulcrum (91).
2) is supported.

A feed drive shaft (94) is rotatably supported on the horizontal frame (52) via a bearing plate (93), and a swing arm (95) is fixed to the drive shaft (94). A swing arm (95) is connected to the drive arm (92) via a telescoping rod (96) having an adjustable length, and the crank plate (84) is connected to the drive arm (92) by an input rod (97). Through the PTO shaft (8
The driving force from 2) is transmitted to the feeding drive shaft (94).

Further, a one-way clutch (99) of a clutch shaft (98) connected to the feed shaft (80) is connected to a feed drive shaft (94) via a link rod (100) and a link (101). A clutch arm (102) of a unit clutch (not shown) for intermittently rotating the clutch shaft (98) in one direction and connecting the feed shaft (80) to the clutch shaft (98) in a freely disconnectable manner; It is connected via a clutch wire to a planting streak stopping unit clutch lever (103) provided on the upper rear surface of the seedling table (16) of the planting section (15).

As shown in FIGS. 12 and 13, a dog clutch type fertilizing clutch (104) for stopping rotation of the feed drive shaft (94) is provided.
4) a stationary clutch (105) that is idlely supported by the swing shaft (95) and is integrally connected to the swing arm (95);
The movable-side clutch (108) which is supported slidably in the axial direction by the polygonal portion (94a) of 4) and engages and disengages the clutch pawl (107) with the pawl hole (106) of the fixed-side clutch (105). ) And the movable clutch (108) is slid to operate the claw hole (106) and the clutch claw (10).
7) clutch lever (109) for engaging and disengaging
And a detection piece (110) of the movable clutch (108).
And a grease applying clutch switch (111) for detecting the disengagement of the fertilizing clutch (104) by contact with the fertilizer applying unit (36). It is configured to stop driving.

Thus, the four horizontal frames (47) (48) (51) (52) between the left and right bearing plates (49) (50).
The bottom cover (66), the air tank (42), the joint (69) and the like of the feeding case (38) are safely and stably disposed in a polygonal space surrounded by the rigidity with good rigidity.
It stabilizes the amount of fertilizer applied to each strip and also prevents damage due to collision. Also, three horizontal frames (48)
The bottom cover (66) and the air tank (42) / joint (69) are arranged in a triangular space defined by (51), (52), (47), (48), and (51), respectively, and are held. To make it more effective.

As shown by the phantom line in FIG. 4, the left and right middle bearing plates (49a) are provided between the left and right bearing plates (49) and (50).
An appropriate number of middle bearing plates such as (50a) may be provided as necessary.

By the way, as shown in FIGS. 7 and 5, on the inner wall surface of the bottom cover (66) below the discharge port (78), a fertilizer feeding sensor (112) of a small shock sensing type is provided to feed the fertilizer. The blower (41) when detecting by the sensor (112)
The blower (41) is driven even when the drive blower switch (113) is off to prevent clogging of fertilizer.

The air inlet (114) of the blower (41) and the inlet in the air tank (42) are
A resistor (1) connected to a power supply in parallel with the blower (41)
15) is provided so that the resistor (115) generates heat during the fertilization operation, thereby suppressing moisture absorption of the fertilizer and preventing the fertilizer from adhering to the air tank (42) or preventing the fertilizer from adhering to the air tank (42). The installation position and the number of the resistors (15) are not limited.

As shown in FIGS. 4 and 16, the fertilizer application hopper (37) is provided with an alarm sensor (118) for displaying an amount of residual fertilizer below a certain level on an alarm lamp (117) of a display panel (116). The sensor (11
8) is the half of each of the eight articles, with an interval of one article (four articles)
The sensor (118a) is disposed below the set position,
Even if the alarm sensor (118) at the set position is activated, the blower (41) is activated until the lower sensor (118a) is activated.
(To enable the fertilizer to be used for a while even when the fertilizer is empty), and when all the sensors (118) and (118a) are activated (all the alarm lamps (117) are lit), the blower (4) is turned on.
The drive of 1) is stopped (the drive switch (113) may be turned off), and when there is no fertilizer in the fertilizer application hopper (37), the drive of the blower (41) is stopped.

As shown in FIG. 15, the switches (111) and (113) and the sensors (112) and (118)
(118a) is connected to the controller (119), and the controller (119) is connected to the blower (41), the resistor (115) and the display panel (116). The blower switch (113) is turned on. When the fertilizer application clutch is in the ON state, the blower (41) is driven, the fertilizer is transported by the air from the blower (41), and the resistor (115) is heated by energizing the resistor (115). To prevent the occurrence of clogging of fertilizer, and to always perform normal grease work. Further, when the alarm sensor (118) (118a) during grease operation detects that the amount of fertilizer stored in any of the hoppers (37) is equal to or less than a certain amount (no state), the display panel (1) corresponding to the hopper (37) is detected.
16) The alarm lamp (117) is turned on and displayed, and when detecting a certain amount or less of the fertilizer in all the hoppers (37), the drive of the blower (41) and the heat generation of the resistor (115) are stopped. On the other hand, even when the blower switch (113) is off and the driving of the blower (41) is stopped, the blower (41) is driven when the fertilizer feeding sensor (112) detects the feeding of fertilizer.

FIG. 17 and FIG. 18 show the outlet (6) of the feeding case (38) in the side-strip fertilizer section (36) for five strips.
4) Receiving the fertilizer coming out from the left and right inclined gutters (120) and (121), the fertilizer is provided so as to flow down to the charging position of the collection bag (122). (36) The inclined upper end side is rotatably supported by the substantially central fulcrum shaft (123), and the left and right gutters (120) (1) are attached to the pivoting plates (124) fixed to the left and right ends of the air tank (42).
21) Insert the adjustment bolt (125) at the lower end of the inclined hole into the slot (1).
The fertilizer discharged from the outlet (64) onto the gutters (120) and (121) is allowed to smoothly flow down to the charging position by its own weight by fixing the tilt angle freely through 26). (127) is the gutter (120) (1)
21) An eaves body that covers the upper part and protects fertilizer from rainwater and the like.

As is apparent from the above description, in the rice transplanter having the traveling vehicle (1) provided with the fertilizer application section (36), the guide member is a guide member for collecting the residual fertilizer of the fertilizer application section (36) at the lateral position of the machine body. An inclined gutter (120) (121) is provided. Then, the fertilizer application section (36) is disposed close to the upper surface of the traveling vehicle (1), and the structure for removing the fertilizer application section (36) or the removal work is not required. (36) is installed to improve the balance by lowering the center of gravity of the traveling vehicle (1), and to collect the residual fertilizer in the center strip laterally, thereby simplifying the residual fertilizer recovery work and the planting section (1).
Improve the workability of supplying seedlings to 5) and the workability of supplying fertilizer to the fertilizer application section (36).

FIG. 19 shows a float (34).
(35) Two types of fertilizing pipes (12
8) A two-stage fertilizer (13) that performs two-stage fertilization of the same paste-like fertilizer on the side streaks and deep layers of the planting streak in (129).
This shows an example of the structure of the center float (34).
Planting part (15) by detecting the planting depth from the vertical movement change of the front part
In the planting depth control in which the planting depth is maintained constant by adjusting the supporting height of the float (34), as the vehicle speed increases due to the resistance received by the fertilizing pipes (128) and (129), The downward moment acts, and the sensitivity of the control deteriorates accordingly. For this reason, the auxiliary transmission lever (30) and the float (3
4) Wire (131) and tension spring (132) between front parts
And the front portion of the float (34) is suspended by a tension spring (132) so as to cancel the forward descent moment of the float (34).
The higher the speed in (0), the greater the tensile force of the spring (132) to cancel the increase in the forward-downward moment of the float (34), and appropriately based on the change in the vertical amount of the front part of the float (34). It is configured to control planting depth.

As is clear from the above, the hopper (37)
The fertilizer and chemicals in the air supply pipe (4) of the blower (41)
2) In the agricultural work apparatus which performs fertilization and control by transporting with the airflow from 2), a plurality of horizontal frames (47) bridging between the left and right side plates (49) and (50) and the left and right side plates (49) and (50). (48) A box-shaped frame frame (53) is formed with (51) and (52), and the hopper (37) and the air supply pipe (42) are separately supported by the frame frame (53). The hopper (3) is mounted on the frame (53) that secures high rigidity.
7) and the air supply pipe (47) are accurately supported without variation for each section, thereby improving the fertilization and pest control accuracy for each section.

Further, the fertilizer and medicine feeding section (38) of the hopper (37) and the air supply pipe (42) are connected to the frame (5).
3), the air supply pipe (42) made of a lightweight material such as a resin is briefly supported separately from the hopper (37), and the supply pipe (42) and the hopper (3) are supported.
7) The easy removal of each of the above items is made possible, thereby making cleaning and maintenance work easier.

Further, a blower (41) connected to the air supply pipe (42) is supported by a frame (53) separately from the air supply pipe (42), and the heavy-weight blower (41) is lightened. The solid support of the blower (41) and the accurate connection to the air supply pipe (42), without having to act on the air supply pipe (42) of the object, but firmly holding it on the rigid frame (53). Is made possible.

[0030]

As is apparent from the above embodiments, the present invention relates to a rice transplanter in which a fertilizer application part (36) is mounted on a traveling vehicle (1). The fertilizer application part (36) can be arranged close to the upper surface of the traveling vehicle (1), and the structure for removing the fertilizer application part (36) or the removal work can be eliminated. The fertilizer application part (36) is attached to a lower position on the upper surface of the traveling vehicle (1) to easily improve the balance by lowering the center of gravity of the traveling vehicle (1). It is possible to simplify the operation of collecting residual fertilizer, improving the workability of supplying seedlings to the planting section (15), and improving the workability of supplying fertilizer to the fertilizer application section (36). .

[Brief description of the drawings]

FIG. 1 is an overall side view of a riding rice transplanter.

FIG. 2 is an overall plan view of the riding rice transplanter.

FIG. 3 is a side view of the planting section.

FIG. 4 is an explanatory rear view of a fertilizer application hopper.

FIG. 5 is an explanatory plan view of a fertilizer application hopper.

FIG. 6 is an explanatory side view of the fertilizer application hopper.

FIG. 7 is an explanatory sectional view of a fertilizer application section.

FIG. 8 is an explanatory diagram of a fertilizer driving unit.

FIG. 9 is an explanatory side view of the frame portion.

FIG. 10 is an explanatory plan view of a frame portion.

FIG. 11 is an explanatory view of mounting an air tank.

FIG. 12 is an explanatory view of a fertilizing clutch unit.

FIG. 13 is an explanatory perspective view of a fertilizing clutch unit.

FIG. 14 is an explanatory diagram of a connection portion between a blower and an air tank.

FIG. 15 is a control circuit diagram.

FIG. 16 is a flowchart.

FIG. 17 is an explanatory front view of the inclined gutter portion.

FIG. 18 is an explanatory side view of the inclined gutter portion.

FIG. 19 is an explanatory view of a two-stage fertilizer application device.

[Explanation of symbols]

 (1) Traveling vehicle (36) Fertilizer application section (120) (121) Inclined gutter (receiving member)

Claims (1)

[Claims] 1. A rice transplanter in which a fertilizer is mounted on a traveling vehicle, wherein the fertilizer remaining in the fertilizer is collected at a lateral position of the machine.