JP3128694B2 - Rice transplanter fertilizer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizing apparatus for a rice transplanter that includes a seedling mounting table and a planting claw to continuously perform a seedling planting operation and a lateral line fertilizing operation.

[0002]

SUMMARY OF THE INVENTION Conventionally, Japanese Unexamined Patent Publication No. Sho 59-2
As disclosed in JP-A-03420 or JP-A-3-103110, an air tank for supplying fertilizer conveying air, a fertilizer feeding case for sending fertilizer, and a conveying hose for feeding fertilizer to the planting section are connected by a hose joint. Linked
There is a technique in which fertilizer from a fertilizer feeding case is sent to a transfer hose by air from an air tank. However,
There is a problem that the air from the air tank has a problem due to the resistance inside the air ejection port, so that it is not easy to increase the fertilizer conveying force to the junction outlet, and it is not easy to improve the fertilizer delivery function.

[0003]

SUMMARY OF THE INVENTION Accordingly, the present invention provides an air tank for supplying fertilizer conveying air, a fertilizer feeding case for sending out fertilizer, and a conveying hose for supplying fertilizer to a planting section. An air outlet for introducing air,
In a fertilizer application device of a rice transplanter that has a fertilizer drop port for dropping fertilizer from the fertilizer feeding case and a confluence outlet for delivering fertilizer to the transfer hose, the outlet side of the air spout connected to the fertilizer drop port and the confluence outlet is an inlet. Side of the fertilizer, and the fertilizer drop port and the air outlet
The connection opening between the material dropping port and the confluence outlet is formed large,
Slope downward from the air outlet to the transfer hose inlet
Forming a slope on the bottom of the confluence outlet, and the fertilizer
A bottom lid is connected to the lower end of the
The bottom lid is detachably fixed to the bottom surface by a closing lever.The fertilizer that falls from the fertilizer dropping port to the merging outlet is smoothly moved in the direction of the transfer hose by the air pressure at the air outlet. The fertilizer or the fertilizer at the downstream portion of the air jet port can be easily discharged, and can easily prevent the air moved from the air jet port to the merged jet port from blowing toward the fertilizer drop port.
Dust accumulation residue can be easily prevented and transported from air outlet
Reduce the turbulence of the air flow moving to the hose side
The merging can be easily performed .

[0004]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a cross-sectional explanatory view of a hose joint portion, FIG. 2 is a side view of a riding rice transplanter, and FIG. 3 is a plan view of the same, wherein (1) is a traveling vehicle on which an operator rides, and an engine (2) Is mounted above the front of the body frame (3),
A front paddle traveling wheel (6) is supported in front of a transmission case (4) via a front axle case (5), and a rear axle case (7) is connected to a rear portion of the transmission case (4). (7)
Support the paddy field running rear wheel (8). A spare seedling mount (10) is mounted on both sides of the hood (9) covering the engine (2) and the like, and the transmission case (4) is mounted by a body cover (12) on which an operator rides through a step (11). And the body cover (12)
A driver's seat (13) is mounted on the upper part, and a steering handle (1) is provided in front of the driver's seat (13) and behind the hood (9).
4) is provided.

[0005] In the figure, reference numeral (15) denotes a planting section provided with a seedling table (16) for planting six rows 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 two-floor leveling center float, (35) is a two-floor leveling float, and (36) is a six-floor side fertilizer.

Further, as shown in FIGS. 4 and 5, a fertilizer hopper (37) as a fertilizer tank for storing fertilizer, a fertilizer feeding case (38) for supplying a fixed amount of fertilizer, and a float (34) as a fertilizer section. (35) A turbo blower-type blower (41) for discharging fertilizer through a flexible transfer hose (40) to a side striation groove device (39) and a cylindrical air tank (42) are connected to the fertilizer applicator ( 36), a blower (41) is attached to the right end of the air tank (42), and six sets of six fertilizer feeding cases (38) are arranged above the air tank (42).

Further, as shown in FIGS. 6 to 11, 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) and (45) on both sides. The fertilizer applicator (3) is mounted via the base frame (45), which is mounted substantially horizontally in the front-rear direction.
6) and the left and right base frames (45) (4)
5) The air tank (42) is bolted and fixed to the body frame (3) via brackets (46) and (46). A side stay (47) is connected between the rear end of the base frame (45) and the vehicle body frame (3). Front and rear elevating rails (48), (49) ... are erected on the front and rear sides of the base frame (45), and one set of front and rear two pairs of left and right four elevating rails (48) (48)
(49) The fertilizer applicator (36) is attached via the (49) so as to be able to move up and down, and a pair of left and right gas springs (5
0) The fertilizer applicator (36) is mounted to be able to move up and down by (50), and the weight of the fertilizer applicator (36) is supported by the rear axle case (7) arranged at the rear end of the body frame (3). As shown, the front and rear elevating rails (48) (4)
9) is provided with a bearing plate (51) opposed thereto, and bearing rollers (52) which are rotatably fitted to the rails (48) and (49) are rotatably supported by the bearing plate (51). Two sets of two rails (48) and (49) are provided symmetrically, and two upper and lower rollers (52) and (52) are attached to one rail (48) and (49). 51) (51) to four rails (48) (49) and 8
The base frame (45) by the rollers (52) ...
To be able to move up and down freely.

The lower end of the gas spring (50) is connected to the vehicle body frame (3), and the bearing plate (5)
The upper end of the gas spring (50) is connected to 1), the rails (48) and (49) and the gas spring (50) are erected substantially in parallel, and the gas is positioned at the center of gravity of the fertilizer applicator (36) in the front-rear width direction. The spring (50) is connected so that the gas spring (50) has an extension force substantially equal to or slightly smaller than the weight of the fertilizer applicator (36).

Further, as shown in FIGS. 12 to 15, the left and right bearing plates (51) and (51) are integrally fixed by a round pipe-shaped front frame (53), and work is performed when the fertilizer applicator (36) is lifted. A handle (54) grasped by a worker is fixed to the front frame (53) by welding, and the left and right bearing plates (51) are fixed.
The left and right lock levers (56) and (56) are rotatably supported on the (51) via the support shafts (55) and (55), and the left and right lock levers (5) are mounted on the front left and right lifting rails (48) and (48).
6) The left and right bearing plates (51) are locked via the (56) (51), and the left and right lifting rails (49) on the rear side are locked.
Left and right lock pins (57) and (57) are slidably attached to (49), and the engagement holes (5) of the bearing plate (51) shown in FIG.
8), the lock pin (57) is detachably engaged, and the left and right bearing plates (5) are attached to the rear left and right elevating rails (49) (49).
1) (51) The rear portion is locked via left and right lock pins (57) and (57), and the front and rear portions of the bearing plate (51) are locked to the front and rear elevating rails (48) and (49) by the lock lever (56). And the lock pin (57). As shown in FIGS. 15 and 19, the vertical rails (48) are formed with upper and lower engaging holes (58) and (59).
The lock lever (56) is engaged with the fertilizer applicator (3).
6) The handle (54) fixedly supported at the raised position or the lowered position, wherein the lock lever (56) extends below the handle (54) and protrudes toward the driver's seat (13).
The operator can operate the lock lever (56) while gripping the lock lever (56) to release the lock lever (56) from the engagement holes (58) and (59).

A case front bracket (60) is fixed to the front frame (53) by welding, and the front side of the extension case (38) is fixed to the case front bracket (60) by bolts. Central 2
The feed-out case (38) (38) is disposed between the left and right lifting rails (48) and (49), and the lifting rail (48)
(49) Outer case for left and right two lines on the outside of the machine (38)
(38) are arranged respectively, and a three-unit feeding case (38)...

Further, as shown in FIGS. 16 to 18, a lower outlet (62) of the hopper (37) is fitted into an inlet (61) on the upper front side of the feed case (38). (38) Exit on the lower front (63)
The outlet (63) is closed by a removable cap (64). The cap (64) is removed, the opening (63) is opened, and the fertilizer inside the hopper (37) is caused to flow downward on the front side. At this time, the fertilizer (36) is moved up and down rails (48) (49). At a raised position, the distance between the outlet (63) and the lower air tank (42) is increased, and a container for storing fertilizer is placed in the outlet (6).
3) It is configured so that it can be easily inserted below and the residual fertilizer can be easily taken out.

A bottom cover (66) is detachably fixed to the lower surface of the feeding case (38) via a closing lever (65), and an outlet (67) is formed in the lower surface of the hard synthetic resin bottom cover (66). ) To form an air tank (42).
A soft synthetic resin joint pipe (6
8), the front end of a hose made of hard synthetic resin (69) is detachably fitted to the rear end of the pipe (68), and the transfer hose (40) is fitted to the rear end of the joint (69). Then, the blower (41) blows air from the air tank (42) to each pipe (68).
0), and the fertilizer which falls from the outlet (67) of the bottom cover (66) to the middle of the joint (69) is transferred to the transfer hose (4).
The joint (69) forming a T-shaped flange has an inlet (70) formed upwardly and open, and a fitting cap (71) is provided at an outlet (67) of the bottom lid (66). The cap (71) is removably fitted to the inlet (70), the outlet (67) is connected to the inlet (70), and the air tank (42) is fixed.
The mounting plate (72) is integrally fixed to the mounting plate (72), and the joint (69) is fixed to the mounting plate (72) by bolting.

An intake (73) and an outlet (74)
, An outlet plate (77) having a plurality of substantially square outlets (76)... On the same circumference, and an outlet plate (79) having an outlet (78). Each of the plates (75), (77), (79) made of a circular flat plate is disposed in a multilayer shape between the feeding case (38) and the bottom cover (66), and the feeding shaft (80) is attached to the feeding case (38). Is rotatably supported substantially vertically, and the lower end of the feed shaft (80) is made to pass through the center of each of the plates (75), (77), (79), and the outlet plate (7).
9) A spring (81) is resiliently pressed on the lower surface from below, and the respective plates (75), (77), (79) are supported on the feeding shaft (80) so as to be able to be pulled out downward, and the respective plates (75), (77), (79) are closed by the closing lever (65). (75) (77) and (79) are pressed between the feeding case (38) and the bottom cover (66), and the inlet plate (75) and the outlet plate (79) are locked to the feeding case (38). The pay-out shaft (80) is idled with respect to each plate (75) (79), and the pay-out plate (77) is engaged with the pay-out shaft (80). ) Is forcibly rotated so that the fertilizer that has entered the feeding port (76) from the intake port (73) is moved to the discharge port (78) and drops in the direction of the outlet port (67).

A brush (82) for removing excess fertilizer on the upper surface of the feeding port (76) at the end of the inlet (73) is provided, and the brush (8) is adjusted via a height adjusting camera (83).
2) is attached to the feeding case (38) so as to be adjustable in height, the height of the lower end of the brush (82) with respect to the upper surface of the feeding plate (77) is adjusted from the outside of the feeding case (38), and the feeding outlet (76).
Is configured to regulate the amount of fertilizer delivered.

Further, the outlet (7) of the inlet plate (75) is provided.
The compressed air intake (84) facing to 4) is extended to the feeding case (3).
8), the hollow portion of the air tank (42) and the compressed air inlet (84) are communicated with each other by a branch pipe (85), and the blower (41) is connected through the pipe (85) and the inlet (84). ) And air from the air tank (42) are supplied to the outlet (74), and are sent from the outlet (74) to the outlet (76) moved to the position of the outlet (78). ) Is forcibly dropped downward to prevent the granular fertilizer or this powder from remaining in the outlet (76).

Further, as shown in FIGS. 7, 10, and 15, a PTO shaft (86) for transmitting the output of the engine (2) to the planting portion (15) extends rearward from the transmission case (4). At the same time, a bearing case (87) is welded and fixed to the left support (43), and the input shaft (88) of the bearing case (87) is connected to the chain (8) between the PTO shaft (86).
The crank plate (91) is detachably fixed to the rear end of the output shaft (90) of the bearing case (87) by a ball lock structure. Further, a square pipe-shaped rear frame (93) for integrally fixing the bearing plate (51) and the case rear bracket (92) is provided, and the rear frame (93) is substantially parallel to the air tank (42) and the front frame (53). Put it on the side, and put the bracket (9
In 2), the rear side of the feeding case (38) is bolted and fixed.

Further, a feed amount adjusting lever (96) is supported on the left bearing plate (51) via a bracket (94) and a shaft (95), and a support shaft (51) is mounted on the left bearing plate (51). 97), an adjusting link (98) and a fulcrum link (99) are provided, and the screw portion (10) of the lever (96) is provided.
0) is connected to the adjustment link (98), and the fulcrum link (9)
9) Attach an adjustment fulcrum (101) to the fulcrum (101).
To support the drive arm (102). By rotating the screw portion (100) by rotating the lever (96) projecting toward the driver's seat (13),
The links (98) and (99) rotate integrally to change the position of the adjustment fulcrum (101), and the operator of the driver's seat (13) can adjust the extension of the lever (102). It is configured as follows.

Further, a feed drive shaft (104) is rotatably supported on the rear frame (93) via a bearing plate (103), and a swing arm (105) is attached to the drive shaft (104).
And the drive arm (102) is connected to one end of an extendable rod (106) whose length is adjustable, and the swing arm (105) is connected to the other end of the extendable rod (106). The crank plate (91) is connected to the drive arm (102) via an input rod (107), and the PTO shaft (86) for planting drive is connected via the input rod (107) and the drive arm (102). The driving force is transmitted to the feeding drive shaft (104), an operation for simultaneously operating and stopping the planting section (15) and the fertilizer applicator (36) is performed by turning on and off a planting clutch (not shown). ), An operation of removing the crank plate (91), separating the drive unit, and raising the rising portion of the fertilizer applicator (36) is performed. By operating the lever (96), the adjustment fulcrum (1) is operated.
01) is changed, and the reciprocating stroke of the telescopic rod (106) is changed steplessly, so that the fertilizer delivery amount is continuously adjusted.

Further, as shown in FIG. 9, a clutch shaft (109) is rotatably supported by the rear frame (93) via a one-way clutch (108) for preventing rotation, and a one-way clutch is attached to the clutch shaft (109). An input link (111) is provided via the (110) and the feed drive shaft (10
4) Fix the swing link (112) to the link (1).
12) is linked to the input link (111) by the link rod (11).
3), the input link (111) is swung to rotate the clutch shaft (109) intermittently in one direction.

Further, a locking clutch case (114) is fixed to the feeding case (38), and the input shaft (117) is always connected to the upper end of the feeding shaft (80) via bevel gears (115) and (116). An engaging clutch (not shown) for connecting and disconnecting an input shaft (117) to the clutch shaft (109) is provided inside the clutch case (114) and the case (1).
A clutch lever (118) and a clutch arm (119) for disconnecting and operating the locking clutch of (14) are separately arranged before and after the clutch case (114), and the seedling table (16) of the planting portion (15) is arranged. ) The clutch arm (119) is connected to a planting streak unit clutch lever (120) provided on the upper rear surface via a stap wire (122) that is stretched by an outer receiver (121) of the rear frame (98). Connect. Then, when any of the planting claws (17)... For 6-row planting is stopped by operating the planting streaking unit clutch lever (120),
The case (11) corresponding to the stopped planting claw (17)
The fertilizing operation is stopped by disengaging the line-stopping clutch of 4), and fertilizing is performed only on the line where the seedlings are planted by the planting claws (17).

Further, as shown in FIGS.
The left and right bearing plates (51) and (51) are welded and fixed to the front frame (53) and the rear frame (93) outside the mounting position of the fertilizer feeding case (38) (38) for the center two rows.
Both ends of the front frame (53) and the rear frame (93) are integrally fixed by left and right side frames (123) (123), and the fertilizer feeding case (38) (3)
8) is attached to the front frame (53) and the rear frame (93) between the bearing plate (51) and the side frame (123), and each of the rectangular frames (53), (93) (1)
23) is divided into three equal parts in the left-right direction by a bearing plate (51), and a fertilizer feeding case (38) for six rows is supported between the front and rear frames (53) (93).

As shown in FIGS. 13, 16, and 18, a bracket (60) provided between the feeding case (38) and the front frame (53) has a laterally long sight hole (124).
When assembling the bottom cover (66) to the feeding case (38), it is possible to easily check the phase and the like from the front side without going around the seedling mounting table (16) side. It is configured to improve handling.

As shown in FIG. 16, when connecting the hose joint (69) and the transfer hose (40), the inner diameter of the outlet of the hose joint (69) (69a)
The outer diameter portion (40a) of the inlet of the transfer hose (40) is directly inserted and connected without using a separate joint or the like, thereby achieving a lightweight and compact configuration and facilitating the attaching / detaching operation for easy maintenance. It is configured to improve.

Further, as shown in FIGS. 1 and 19, an air outlet (125) tapered from the air intake side to the air outlet side to be joined to the joining pipe (68).
A fertilizer drop port (127) formed by a cylinder (126) having the inlet (70); and the transfer hose (4).
A joint outlet (128) for joining the delivery side to the outlet (0) is formed in the hose joint (69). The outlet (125) and the outlet (128) are arranged on substantially the same straight line. A fertilizer drop port (127) is connected to the junction between the spout (125) and the delivery port (128). Then, the cylinder (126) is inclined so that the inlet (70) side of the cylinder (126) approaches the air tank (42),
The fertilizer drop port (127) is formed to be inclined in the direction opposite to the direction in which air is blown out from the blow port (125) of the hose joint (69), and the air blown out from the blow port (125) receives the drop port (127). ), And the air flows from the entrance (70) of the fall port (127) into the fertilizer feeding case (38).
It prevents it from blowing inside.

Also, the air jet port (12
5) The end is opened substantially below the center of the fertilizer dropping port (127), and the fertilizer dropping port (12) is moved in the direction of the confluence outlet (128) where the pressure becomes negative by the jet of air from the air jetting port (125).
7) The air of (7) is sucked and the air jet port (125)
Is formed in a divergent shape on the downstream side, and a slope (129) inclined downward toward the connecting portion of the transfer hose (40) is formed on the bottom surface of the merged outlet (128), and the air outlet (128) is formed. 125) Prevents fertilizer accumulation at the bottom of the downstream outlet (128).

As is clear from the above, the air tank (42) for supplying the fertilizer conveying air, the fertilizer feeding case (38) for feeding the fertilizer, and the conveying hose (40) for feeding the fertilizer to the planting section (15). ) And an air tank (42)
An air outlet (125) for introducing air from the fertilizer, and a fertilizer dropping port (12) for dropping fertilizer from the fertilizer feeding case (38).
7) and an air jet (125) connected to the fertilizer drop port (127) and the merged outlet (128) in the fertilizer of a rice transplanter provided with a merged outlet (128) for sending fertilizer to the transfer hose (40). The outlet side of (1) is formed with a smaller diameter than the inlet side. The air outlet (125) is tapered toward the outlet so as to reduce the pressure reduction due to the resistance in the pipe, and from the fertilizer dropping port (127) to the merging port (12).
The fertilizer falling to 8) is smoothly sent out in the direction of the transfer hose (40) by the blowing pressure at the outlet of the air outlet (125), and the air flow velocity at the outlet of the air outlet (125) is maximized to drop the fertilizer. The port (127) is maintained at a positive pressure to prevent the air moved from the air outlet (125) to the merged outlet (128) from blowing out to the fertilizer falling port (127).

The fertilizer dropping port (127) is compared with the connection opening of the air jet port (125) with the fertilizer dropping port (127).
The connection opening of the confluence outlet (128) with the
The downstream side of the air jet (125) is formed in a divergent shape,
The fertilizer or fertilizer dust is prevented from remaining in the downstream portion of the air jet (125), and the turbulence of the air flow moved from the air jet (125) to the transfer hose (40) side is reduced, and the fertilizers are merged. Let

Further, a hook-shaped projection (130) is provided around the opening of the fertilizer dropping port (70) of the hose joint (69) connected to the fertilizer feeding case (38), and the projection (13) is provided.
0) forming a trapezoidal slope (13) at the opening edge of the cylinder (126).
1) and an outlet (67) of the bottom cover (66)
The inner diameter of the lower end side of the fitting cap (71) is formed larger than the inner diameter of the upper end side of the fitting cap (71), the longitudinal end face of the fitting cap (71) is trapezoidal, and the lower end side is formed to be divergent.
In addition, a thick ridge (1) is formed on the inner periphery of the intermediate portion of the fitting cap (71).
32), a thin ridge (133) is provided on the inner periphery of the lower end of the fitting cap (71), and the cylinder (126) of the hose joint (69) is covered with the fitting cap (71) from above. At this time, the thick ridge (132) resiliently adheres to the trapezoidal slope (131), and the thin ridge (133) is locked by the hook-shaped projection (130), and the outlet (67) and the inlet (7).
The gap between 0) is configured to be sealed by the fitting cap (71).

Further, as shown in FIG. 20, a cylindrical jet nozzle (134) having one end communicating with the air jet (125) and the other end communicating with the merged outlet (128).
The jet nozzle (134) converts the turbulent air from the air jet port (125) into laminar air with the jet nozzle (134) to form a merging port (128).
To prevent the air from the air outlet (125) from blowing toward the fertilizer dropping port (127), and to mix the fertilizer from the fertilizer dropping port (127) with the merging port (12).
8) The suction force to be moved is increased.

[0031]

As is apparent from the above embodiments, the present invention provides an air tank (42) for supplying a fertilizer conveying air, a fertilizer feeding case (38) for sending a fertilizer, and a planting section (15).
Equipped with a transfer hose (40) for feeding fertilizer to
The air jet (12) for feeding air from the air tank (42)
5), a fertilizer dropper (127) for dropping fertilizer from the fertilizer feeding case (38), and a fertilizer application device of a rice transplanter provided with a confluence outlet (128) for sending fertilizer to the transfer hose (40). The outlet side of the air outlet (125) connected to the mouth (127) and the merging outlet (128) is formed to have a smaller diameter than the inlet side, and the fertilizer dropping port and the air
The connection between the fertilizer falling port and the confluence outlet is more than the connection opening of the spout.
The connection opening is made large and the air outlet (125)
Incline from the mouth to the transfer hose (40) entrance
When the surface (129) is formed on the bottom of the merging outlet (128)
In both cases, the lower end side is connected to the fertilizer drop port (127).
Bottom cover (66) is provided and closed on the lower surface of fertilizer feeding case (38)
The bottom cover (66) is detachably fixed by the closing lever (65).
The fertilizer that drops from the fertilizer dropping port (127) to the confluence outlet (128) can be smoothly sent in the direction of the transfer hose (40) by the blast pressure at the outlet of the air jet (125). Air outlet (12
5) It is possible to easily prevent the air moving from the fertilizer dropping port (127) side from the fertilizer dropping port (127) from being moved to the merging outlet (128).
Fertilizer or fertilizer dust accumulation downstream of the spout (125)
Residue can be easily prevented and transported from the air outlet (125)
Reduce the turbulence of the air flow moving to the hose (40) side
Not readily perform the confluence of fertilizer Te are those that can Rukoto.

[Brief description of the drawings]

FIG. 1 is an explanatory sectional view of a hose joint part.

FIG. 2 is an overall side view.

FIG. 3 is a plan view of the same.

FIG. 4 is a plan view of the fertilizer application unit.

FIG. 5 is a rear view of the same.

FIG. 6 is an explanatory side view of the same.

FIG. 7 is an explanatory side view of a lifting rail.

FIG. 8 is an explanatory side view of the fertilizer feeding case portion.

FIG. 9 is an explanatory plan view of a fertilizer feeding case portion.

FIG. 10 is an explanatory rear view of the base frame unit.

FIG. 11 is an explanatory rear view of the fertilizer feeding case portion.

FIG. 12 is an explanatory side view of a bearing plate portion.

FIG. 13 is an explanatory plan view of a handle.

FIG. 14 is an explanatory rear view of the same.

FIG. 15 is an explanatory side view of the same.

FIG. 16 is an explanatory sectional side view of the fertilizer feeding case.

FIG. 17 is a sectional rear view of FIG.

FIG. 18 is an explanatory plan view of the same cross section.

FIG. 19 is a side view of the hose joint.

FIG. 20 is a side view showing a modification of FIG. 19;

[Explanation of symbols]

(15) Planting part (38) Fertilizer feeding case (40) Transfer hose (42) Air tank (65) Closing lever (66) Bottom lid (125) Air spout (127) Fertilizer dropping port (128) Merging outlet ( 129) Slope

Claims (1)

(57) [Claims] An air tank (4) for supplying air for conveying fertilizer.
2), a fertilizer feeding case (38) for feeding fertilizer, and a transport hose (40) for feeding fertilizer to the planting section (15), and an air outlet (40) for feeding air from an air tank (42). 125), a fertilizer drop port (127) for dropping fertilizer from the fertilizer feeding case (38), and a transfer hose (4).
In the fertilizer of a rice transplanter having a confluence outlet (128) for sending fertilizer to the fertilizer dropper (127) and the confluence outlet (128), an air jet (12) is connected to the fertilizer dropper (127) and the confluence outlet (128).
5) The outlet side of the fertilizer is formed to have a smaller diameter than the inlet side.
Combined with the fertilizer drop port, rather than the connection port between the drop port and the air spout
The connection opening of the inflow port is made large and the air outlet
From the exit of (125) to the entrance of the transfer hose (40)
The slope (129) that descends and descends is merged with the outlet (128).
Surface and the lower end of the fertilizer drop port (127)
Bottom lid (66) to connect the sides, and a fertilizer feeding case
(38) The bottom cover (6) is provided on the lower surface by the closing lever (65).
A fertilizer application device for a rice transplanter, characterized in that 6) is detachably fixed .