JP3141132B2 - Rice transplanter - Google Patents

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, for example, a seedling mounting table and planting claws for continuously performing seedling planting operations.

[0002]

Conventionally, Japanese Unexamined Patent Publication No. 5-27 is disclosed.
As shown in Japanese Patent No. 6818, a planting section is provided on the rear side of the traveling vehicle, an air tank, a fertilizer hopper, a fertilizer feeding case and the like are mounted on the rear upper surface of the traveling vehicle, and a fan case of a blower is provided on one side of the air tank. There is a technique in which the fertilizer is fed from a fertilizer feeding case to a planting section via a transfer hose by air blowing from an air tank when the fertilizer is connected to the plant. However, since the stay is provided and connected between the end face of the air tank and the end face of the exhaust port of the fan case, it is necessary to form the fan case with high rigidity, and it is easy to reduce the manufacturing cost of the fan case and improve the mounting strength. I can't do it. Also, since an electric fan motor is provided on the back of the fan case and the intake port is opened forward on the front of the fan case,
By storing the fan case in front of the air tank, the electric fan motor protrudes outside the fan case, which makes it difficult to reduce the lateral width during transportation and prevent damage to the fulcrum shaft due to vibration, etc. Alternatively, there is a problem that car wash water easily enters the fan case from the air inlet, and fertilizer easily absorbs moisture.

[0003]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a planting portion on the rear side of a traveling vehicle, and attaches an air tank, a fertilizer hopper, a fertilizer feeding case, and the like to an upper surface of a rear portion of the traveling vehicle. In a rice transplanter in which a fan case of a blower is connected to a side portion and fertilizer from a fertilizer feeding case is sent out to a planting portion via a transfer hose by blowing air from an air tank, a stay having one end connected to a fulcrum shaft in front of an air tank. The other end of the fan case is extended and fixed to the front of the fan case, an electric fan motor for driving the blower fan inside the fan case is provided on the front of the fan case, and the intake case is extended downward on the back of the fan case. The fan case has a cover that closes the upper part of the intake port at the lower end of the intake case, and the fan case is stored in front of the air tank. The intake case is located outside the fan case, and the stay is fixed by extending it to the front of the fan case. The fan case can be easily formed, the manufacturing cost of the fan case can be reduced, the mounting strength can be easily improved, and the intake case is provided downward on the back of the fan case. It can easily prevent rainwater or car wash water from entering by blocking the front and rear, and because the upper part of the intake port is closed by the cover, it can easily prevent intrusion of water droplets scattered by wind etc.
Since the clogging accident of fertilizer or fertilizer dust that easily absorbs moisture can be easily eliminated and the intake case is located outside the fan case stored in front of the air tank, the left and right width when storing the fan case can be formed compactly, It is possible to easily reduce the left and right width at the time of transportation mounted on a truck bed or the like, and to easily protect the electric fan motor and the like at the time of transportation and reduce vibration.

[0004]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a rear view of a blower, FIG. 2 is a side view of a rice transplanter, and FIG. 3 is a plan view of the same.
Reference numeral denotes a traveling vehicle on which an operator rides. The engine (2) is mounted above a front portion of a body frame (3), and a transmission case (4) is provided in front of a paddy traveling front wheel (6) via a front axle case (5). ), A rear axle case (7) is connected to the rear of the transmission case (4), and the rear axle case (7) supports a 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). A driver's seat (13) is mounted above the vehicle body cover (12), and a steering handle (14) is provided in front of the driver's seat (13) and behind the hood (9).

[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). Are rotatably supported substantially vertically, and the lower end side of the feeding shaft (80) is made to pass through the center of each plate (75) (77) (79).
(77) Feeding shaft (80) so that (79) can be pulled out downward.
And each plate (7) is closed by a closing lever (65).
5) Pull out the case (38) and the bottom cover (6)
6) An inlet plate (75) and an outlet plate (79) are locked to the feeding case (38), and each plate (7) is pressed.
5) The feeding shaft (80) idles with respect to (79), and the feeding plate (77) is engaged with the feeding shaft (80).
The feeding plate (77) is forcibly rotated by the feeding shaft (80), and the fertilizer that has entered the feeding port (76) from the intake port (73) is moved to the discharge port (78) and drops toward the outlet port (67). It is configured to be.

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.

As shown in FIGS. 1 and 19, a fan case (1) made of a synthetic resin in which a blower fan (125) is provided.
26), an intake port (127) and an exhaust port (128) which are air intake ports formed in the fan case (126),
An electric fan motor (129) for rotating the blower fan (125) is provided on the blower (41), and a stay (130) for fixing a stay (130) for fixing to a fan case (126) to an air tank (42) is provided. Fulcrum shaft (13
2) The air blower (41) is supported so as to be rotatable horizontally through
Is configured to be able to be stored inside the aircraft.

An intake port (127) of the fan case (126) is provided downward at the lower end of an intake case (126a) having a rectangular cross section and extending downward integrally on the back side of the case (126). A guard (133) for preventing rainwater, impurities, dust and the like from being sucked into the fan case (126) and forming a plurality of wires (133a) at equal intervals in the intake port (127). Even when light and large contaminants or dust fly near the air inlet (127), the guard (133) prevents them from being sucked and improves dustproofness. Improves safety by preventing clothes from being accidentally inserted into the air inlet (127), improves airflow during air intake, suppresses air power and noise, and improves air intake. To let It is configured.

Further, a dish-shaped intake cover (134) is provided at the intake port (127) integrally with the guard (133) so as to be detachable via bolts (135). The intake cover (134) is provided at the intake port (127). A hole (136) corresponding to (127) is opened at the center, and the opening area of the peripheral bent edge (134a) is formed larger than the opening area of the intake port (127).
By reducing the suction force near the bent edge (134a) from the intake port (127), even if water droplets such as rainwater adhere to the bent edge (134a), water droplets are sucked into the intake port (127). It is configured so that there is no. As described above, the fertilizer application hopper (37) for adding fertilizer, the multi-row fertilizer feeding case (38) for sending the fertilizer of the hopper (37), and the hose joint ( 69) and a blower (41) provided on one side of the air tank (42) in a rice transplanter, the air inlet (12) of the blower (41).
7), an intake cover (134) for covering an outer peripheral portion of the intake port (127) is attached to prevent water drops such as rainwater from directly adhering to the vicinity of the intake port (127).
Rainwater can be easily prevented from being sucked into the soil, and clogging of fertilizer due to moisture absorption can be prevented.

A stay (1) is attached to a mounting table (131) on the front right side of the air tank (42) via a fulcrum shaft (132).
30) is rotatably connected around a vertical axis, and the blower (41) is movably attached to a working position shown by a solid line in FIG. 1 or a storage position shown by an imaginary line. Pin (13)
7), the iron plate receiving plate (138) and the plate (139), which are removably bolted and fixed, are attached to the right end of the iron pipe air tank (42) and the iron plate stay (130).
And the blower (41) is placed at the working position with the receiving plate (1).
38) and the plate (139) with bolts (140). In addition, the mounting base (131) and the receiving plate (13
8) is fixed to the air tank (42) by welding.
9) is bolted and fixed to the stay (130).

As is apparent from the above description, the planting portion (15) is provided on the rear side of the traveling vehicle (1), and the air tank (42), the fertilizer hopper (37) and A fertilizer feeding case (38) and the like are attached, and a fan case (126) of a blower (41) is connected to one side of the air tank (42), and the fertilizer is fed through a transfer hose (40) by blowing air from the air tank (42). In the rice transplanter for sending the fertilizer from the feeding case (38) to the planting section (15), the fulcrum shaft (1) in front of the air tank (42) is used.
The other end of the stay (130) connecting one end to the fan case (126) is extended and fixed to the front surface of the fan case (126), and the blower fan (1) inside the fan case (126) is fixed.
An electric fan motor (129) for driving the fan case (126) is provided on the front side of the fan case (126), and the intake case (126a) faces downward on the rear side of the fan case (126).
The fan case (126) is provided with a cover (134) for closing the upper periphery of the intake port (127) at the lower end of the intake case (126a), and the fan case (126) is stored in front of the air tank (42). And fan case (12
The intake case (126a) is positioned outside the machine in 6).
Then, the stay (130) is fixed by extending the front surface of the fan case (126), and the electric fan motor (12) is fixed.
9) The front side of the fan case (126) to be mounted is formed to have a high rigidity structure by the stay (130) to reduce the manufacturing cost of the fan case (126) and improve the mounting strength, and to the rear surface of the fan case (126). A suction case (126a) is provided downward, and the seedling table (16) of the planting section (15) and the fan case (126) are closed around the intake port (127) to prevent rainwater or car wash water from entering. And cover the periphery of the upper side of the intake port (127) (13
4) to prevent the intrusion of water droplets scattered by wind and the like, to prevent clogging of fertilizer or fertilizer dust which easily absorbs and adhere, and to the outside of the fan case (126) housed in front of the air tank (42). The electric fan motor (129) for transportation, etc., has the intake case (126a) located at a position, and has a compact left and right width when storing the fan case (126), and has a reduced left and right width for transportation on a truck bed or the like. Protection and vibration reduction.

The stay (130) is formed in a U shape,
The lower bent edge (130a) is formed into a U-shaped tank (42).
A blower switch (141) for detecting the work and storage position of the blower (41) is provided on the mounting base (131) so as to be in sliding contact with the upper side surface (131a) of the mounting base (131). And a pin engaging member (143) having an engaging pin hole (142) for the pin (137), and the fulcrum shaft (132) is fixed to a mounting table (131). 132) to the stay (130)
Are fitted and supported to be vertically movable.

When the blower (41) is in the working position, the switch operation plate (145) projecting upward from the opening (144) of the mounting base (131) is pressed by the lower bent edge (130a). Operate the switch (14
While turning on 1) to rotate the fan (125),
When the blower (41) is housed, the upper side surface (131a) is moved along a fulcrum shaft (132) by a certain dimension to rotate the shaft (132) as a center to the position of the pin hole (142). ) And a pin engaging member (1
43), the lower surface of the bent edge (130a) of the stay (130) is held in contact with the stay (130), and further downward movement is performed by the engagement member (14).
It is configured to block in 3). In this case, the protruding length (L) of the pin engaging member (143) is formed to be longer than the protruding length of the switch operation plate (45) protruding from the upper side surface (131a), and when the blower (41) is stored. Above the switch operation plate (145), bend the edge (130
a) so that the pin engaging member (143) abuts and holds the bent edge (130a).
The switch (141) is kept off to stop the rotation of the fan (125), and the switch (141) cannot be turned on by the stay (130) even when it is turned on. Further, the blower (41) is structured such that the intake cover (134) can be stored without being removed each time.

As shown in FIG. 23, a power supply relay (146)
A power source (148) is connected to the fan motor (126) through the relay switch (147), and a setting switch (149) that is turned on by a setting operation of the setting clutch of the auxiliary transmission lever (30); The blower switch (141) is connected in series to a power supply relay (146), and the blower (41) is driven when the blower switch (141) is turned on when the planting clutch is turned on.

FIG. 24 shows the case (126)
One end of the intake duct (150) is connected and fixed to the tip of a), and the other end of the duct (150) faces the inside of the body covered with the vehicle body cover (12), and is directly connected to the intake cover (134). It is configured to prevent rainwater or the like from splashing, thereby further preventing the fertilizer from absorbing moisture.

FIG. 25 shows the vehicle body frame (3).
Is formed as an air supply passage (151) for taking in air from the front end, and an intake duct (1) is formed at the rear end of the vehicle body frame (3).
52), the intake case (126a) is connected and connected so as to achieve more effective moisture absorption of the fertilizer.

[0035]

As is apparent from the above embodiments, the present invention provides a planting portion (15) on the rear side of the traveling vehicle (1) and an air tank (42) on the rear upper surface of the traveling vehicle (1). And a fertilizer application hopper (37) and a fertilizer feeding case (38). A blower (4) is provided on one side of the air tank (42).
1) The fan case (126) is connected, and the fertilizer from the fertilizer feeding case (38) is planted by the air from the air tank (42) via the transfer hose (40).
In the rice transplanter to be sent to the air conditioner, a stay (13) having one end connected to a fulcrum shaft (132) in front of the air tank (42)
0) is extended and fixed to the front surface of the fan case (126), and the electric fan motor (12) for driving the blower fan (125) inside the fan case (126).
9) is provided on the front side of the fan case (126),
A cover (13) for extending the intake case (126a) downward on the back side of the fan case (126) and closing the upper part of the intake port (127) at the lower end of the intake case (126a).
4) is provided in the fan case (126), and the air tank (4) is provided.
2) The fan case (126) is housed in front and the intake case (126a) is positioned outside the fan case (126).
Since the stay (130) is fixed by extending the front of (6), the fan case (126) to which the electric fan motor (129) is attached can be easily formed into a highly rigid structure by the stay (130). Since the manufacturing cost of (126) can be reduced and the mounting strength can be easily improved, and the intake case (126a) is provided downward on the back surface of the fan case (126), the planting portion (1) is provided.
5) The seedling table (16) and the fan case (126) block the front and rear of the air inlet (127) to easily prevent rainwater or car wash water from entering, and cover the upper part of the air inlet (127). Since it is blocked by (134), intrusion of water droplets scattered by wind or the like can be easily prevented, and a clogging accident of fertilizer or fertilizer dust, which easily absorbs and adheres, can be easily eliminated and stored in front of the air tank (42). The suction case (126) is placed outside the fan case (126)
Since a) is located, the left and right width when the fan case (126) is housed can be made compact, the left and right width when transported on a truck bed or the like can be easily reduced, and the electric fan motor (129) during transportation, etc. Protection and vibration reduction can be easily achieved.

[Brief description of the drawings]

FIG. 1 is an explanatory rear view of a blower unit.

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 an explanatory plan view of a blower.

FIG. 20 is a cross-sectional plan view of a blower.

FIG. 21 is an explanatory side view of the blower.

FIG. 22 is an explanatory view of the rotation of the blower.

FIG. 23 is a circuit diagram.

FIG. 24 is an explanatory view of an intake duct.

FIG. 25 is an explanatory side view of an air supply passage.

[Explanation of symbols]

 (1) Traveling vehicle (15) Planting part (37) Fertilizer application hopper (38) Feeding case (40) Transfer hose (41) Blower (42) Air tank (125) Sending fan (126) Fan case (126a) Intake case ( 127) Inlet (129) Electric fan motor (130) Stay (132) Support shaft (134) Intake cover

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A01C 15/00-15/04 A01C 11/00 302

Claims (1)

(57) [Claims] 1. A planting section (15) is provided on the rear side of the traveling vehicle (1), and an air tank (42), a fertilizer hopper (37), and a fertilizer feeding case (38) are provided on the rear upper surface of the traveling vehicle (1). ) And the like, and a fan case (126) of a blower (41) is connected to one side of the air tank (42), and the fertilizer feeding case (38) is blown from the air tank (42) via a transfer hose (40). In the rice transplanter for sending fertilizer from the plant to the planting section (15), the other end of the stay (130) connecting one end to the fulcrum shaft (132) in front of the air tank (42) is connected to the fan case (126).
Of the fan case (12)
6) An electric fan motor (129) for driving the internal blower fan (125) is provided on the front side of the fan case (126), and the intake case (126a) is extended downward on the rear side of the fan case (126). Intake case (1
26a) A cover (134) for closing the upper periphery of the intake port (127) at the lower end is provided on the fan case (126), and the fan case (126) is housed in front of the air tank (42). Outside the intake case (1
26. A rice transplanter characterized in that it is configured to position 26a).