JP3409155B2 - 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, for example,
The present invention relates to a rice transplanter that continuously performs seedling planting operations. [0002] Conventionally, Japanese Unexamined Patent Publication No. 5-27 is disclosed.
No. 6818, a link mechanism is provided on the rear side of the traveling vehicle.
The planting section is installed up and down freely through the
Provide a tank to feed in and a feeding case to feed out fertilizer.
The fertilizer is mounted on the rear of the traveling vehicle and extends to the rear of the feeding case.
Side pipes that allow fertilizer to be carried out to the planting section by a delivery pipe
There are fertilization techniques. However, the conventional technique does not
When the operation is completed and the residual fertilizer in the tank is removed,
Remove the fertilizer or remove the fertilizer from the central tank located behind the seat.
There is no space for maintenance, etc.
Move the fertilizer remaining in the tank to the left and right tanks
Must be removed from the left and right sides.
Maintenance needs to be performed, residual fertilizer removal or
Problems that simplification of work such as maintenance cannot be performed easily
There is. Therefore, as disclosed in Japanese Patent Application Laid-Open No. 4-84811,
To remove residual fertilizer from the tank by lowering the top of the traveling vehicle
Can be used, but the body structure of the traveling vehicle is limited,
Fertilizer adheres to the airframe, or fertilizer wets due to mud
There is a problem such as easy. [0003] SUMMARY OF THE INVENTION The present invention provides a
The planting section is mounted on the rear side of the car via a link mechanism so that it can move up and down freely
And a tank for fertilizerWhen,The fertilizer
Out caseTo the fertilizer chute on the float in the planting area.
A blower fan that discharges fertilizer through the Ip and the fertilizer application body
Provide a frameThe fertilizer is mounted on the rear of the traveling vehicle,Traveling car
The fertilizer applicator is mounted on the body cover via a lifting rail
-While performing fertilization work by supporting it at a lower position on the upper surface,
Position the fertilizer applicator at the lifting position of the lifting rail and
Configured to receive fertilizerIn rice transplanters,The application
Fertilizer applicator on fertilizer body frameTo lift the handleProvided
And at the lower side of the handle,For traveling vehiclesFertilizer
Release lever to release the fixed support ofGutterStuff and work
Does the worker hold the handle and lift the tank and delivery case?
La,Remove the residual fertilizer by supporting the output case at a high position
Or easily secure a work space for maintenance etc.
Simplification of raising and lowering operation of fertilizer and collection of residual fertilizer in tank
Easy to improve workability such as delivery or maintenance
It is possible. [0004] DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.
I do. FIG. 1 is a side view of a rear axle case, and FIG.
FIG. 3 shows a side view of the rice transplanter, and FIG.
Is the traveling vehicle on which the worker is boarding, and the engine (2) is
Gear shift case mounted above body frame (3) front
(4) Water forward through the front axle case (5)
The front wheel (6) for paddy field running is supported and the gear shifting is performed.
Rear axle case (7) is connected to the rear of case (4)
The rear axle case (7) has a paddy field rear wheel
Support (8). And cover the engine (2), etc.
Attach spare seedling mounts (10) on both sides of the bonnet (9)
At the same time, the operator gets on through step (11)
The gear shift case (4) by the body cover (12)
And a driver's seat (1) above the vehicle body cover (12).
3), and the bonnet in front of the driver's seat (13).
A steering handle (14) is provided at the rear of the kit (9). [0005] In the figure, (15) is a seedling table for 6-row planting.
(16) and a plant having a plurality of planting claws (17) and the like.
It is an attached part, and the front tilt type seedling mounting table (1
6) Replace the lower rail (18) and guide rail (19)
Slidably supported on the planting case (20)
Rotary case that rotates at a constant speed in one direction
(21) is supported by the planting case (20).
(21) a pair of claw cables at symmetrical positions about the rotation axis.
(22) and (22), and the claw case (22)
(22) Attach the planting claws (17) and (17) to the tip. Ma
A rolling fulcrum shaft is provided on the front side of the planting case (20).
A support frame (24) is provided via (23), and
Three points including link (25) and lower link (26)
Support frame to the rear side of the traveling vehicle (1) via the link mechanism (27).
Arm (24), and via the link mechanism (27).
Cylinder (28) for raising and lowering the planting part (15)
To the lower link (26), and the front and rear wheels (6)
(8) Traveling and moving, and simultaneously reciprocating to the left and right
From the seedling platform (16) to be moved
7) Take out and continuously plant seedlings
Constitute. In the figure, (29) is a main shift lever, (3)
0) is a sub-shift lever for planting elevating and working travel shifting, and (3)
1) is a setting sensitivity adjusting lever, and (32) is a main clutch
Dal, (33) and (33) are left and right brake pedals, (3
4) is a two-section equalizing center float, and (35) is a two-section center float.
Side float for leveling, (36) is side fertilizer for 6 rows
Machine. Further, as shown in FIG. 4, FIG. 5, and FIG.
A pair of right-sided square tubular body frames (3) (3) front
With the engine (2) and the front axles (37) and (37)
Front axle that supports the left and right front wheels (6) (6)
Insert the through case (5) into the body frame behind the engine (2)
(3) (3) Front axle case mounted on the lower surface
(5) Stepless frame between the left and right body frames (3) and (3)
And a continuously variable transmission case (3).
8) Gear shift between left and right body frames (3) and (3)
A case (4) is provided, and rear axles (39) (39)
Rear axe that supports the left and right rear wheels (8) (8)
The lower case (7) with the left and right body frames (3) and (3) below the rear end.
The engine (2) output is fixed to each gear case (3
8) Run to each axle case (5) (7) via (4)
And transmitted as row driving force to drive the front and rear wheels (6) and (8).
It is configured so that: Further, a lift frame (4
0) Both ends are fused to the upper surface of the left and right body frames (3) and (3).
Brake pedal in the middle of the body frame (3)
A receiving shaft (41) and a re-set member to be erected on the body frame (3)
Between the middle of the vertical frame (40),
And sub-frames (42) and (42)
Lift cylinder (2) between subframes (42) and (42)
8) Attach, top link (25) and lower
Link mechanism (27) formed by the link (26)
(3) (40) (42)
The link mechanism (27) is rocked by the
The attachment part (15) is configured to move up and down. Further, the previous step (43) and the subsequent step
Cover (45) and rear cover (45)
-(12) is formed to be separable into three parts, and the rear cover (4
5) Remove and mount the fertilizer applicator (36) on the part.
A tank for fertilizer (46), and a constant supply of fertilizer
(47), floats (34) and (35)
Flexible delivery pipe for side line fertilizer chute (48)
Blast turbo fan that discharges fertilizer through (49)
(50) and a cylindrical fertilizer main body frame (51),
The fertilizer (36) is provided with a lid (5
2) Close the right side opening of fertilizer main body frame (51)
And fertilizer application main frame (51)
Attach (50), 6 sets of 6 feeder cases (47)
... and the delivery pipe (49) ... fertilizer main body frame (51)
It is arranged in. Further, as shown in FIGS. 1, 6, 7 and 8, FIG.
And a link frame at the rear end of the body frame (3).
(40) Mount the base frame (53) on the upper side,
Through the base frame (53) which is laid horizontally
A fertilizer applicator (36) is provided and a pair of left and right side stays
-(54) (54) and the back of the base frame (53)
A fertilizer applicator (36) is installed via a portal frame structure
The left and right subframes above the link frame (40)
Base frame (53) on the rear end upper surface
Fix the middle lower surface with bolts and fix the base frame (5
3) Left and right side stays (54) at the left and right ends (54) Upper end
To the left and right body frames (3) (3)
Left and right side stays on the rear brackets (55) and (55)
(54) (54) The lower end is fixed by bolting. [0011] Further, an H-shaped base in a plan view to be laid substantially horizontally.
Base frame (53), elevating rails as support members on both sides
(56) ... upright, one set of front and rear, two pairs of left and right four
Through the descending rails (56) (56) (56) (56)
Attach the fertilizer (36) up and down freely, and
A pair of left and right two gas springs (57) (5)
7) and the fertilizer main body frame (51)
The fertilizer applicator (36) is attached to the body up and down by
Lame (3) Rear axle case located at the rear end
(7) to support the weight of the fertilizer applicator (36),
As shown in FIG. 8, the left and right lifting rails (56) and (56)
The bearing plates (58) (58) facing each other are
And fixed to the rail (56) by welding.
The bearing plate (59) that is movably fitted into the bearing plate
(58) is rotatably supported, and two front and rear rails (5
6) Two sets of (56) are provided symmetrically, and one rail (5
Attach the upper and lower two rollers (59) and (59) to 6)
, Fertilizer body frame (51) with four rails (56)
And eight rollers (59).
3) is supported to be able to move up and down freely. As mentioned above, fertilization
Set before and after the feeding case (47) of the machine (36)
The lifting rails (56) (56), which are support members, are
Around the center of gravity of the fertilizer applicator (36)
The four directions (four) of the elevating rails (56)
To control the tilting of the fertilizer applicator (36) back and forth and left and right.
It can easily obtain a smooth lifting operation
It is. Further, a lower end of the gas spring (57)
Is connected to the bracket (55), and the bearing plate (5
8) Connect the upper end of the gas spring (57) to
(56) and gas spring (57) are provided almost in parallel.
At the center of gravity of the fertilizer applicator (36) in the front-rear width direction.
The spring (57) is connected to the fertilizer (3
Apply an elongation approximately equal to or slightly less than the weight of
The spring (57) is configured to have it. this
Like the rear axle case at the rear of the traveling vehicle (1)
Riding rice transplanter equipped with rear wheel (8) via (7)
And a gas spring which is a pair of left and right elastic rising members.
(57) The rear axle case through (57)
(7) Fertilizer main body frame (51) of fertilizer (36) on top
Attach to the traveling vehicle (1)
At the approximate center of gravity of the fertilizer (36), a gas
The rear axe.
The fertilizer applicator (36) by using the case (7)
Stabilized and supported by the gas spring (57)
Reduce the lifting operation force of the fertilizer applicator (36) by the operator,
Cleaning by lifting the fertilizer applicator (36) or removing residual fertilizer
In addition to improving workability, the gas spring
Or before or after the fertilizer (36) by the lifting force of
Prevents the left and right inclination and smoothes the lifting and lowering of the fertilizer applicator (36).
And the elevating guide structure of the fertilizer applicator (36)
(56) Simple, lightweight and compact construction
ing. In addition, as shown in FIG.
The structure is almost the same as that of 7), and the auxiliary gas spring (6
0), and four gas springs (57) (5)
7) Lift the fertilizer applicator (36) by (60) (60)
You may. FIG. 9, FIG. 10, FIG. 11, and FIG.
As shown, the operator grasps when lifting the fertilizer applicator (36).
The pair of left and right handles (61) (61)
(51), and the handle (61) is supported by a spindle.
The lock arm (63) is rotatable through (62)
And a reinforcing rib for the lifting rail (56).
The upper and lower engagement holes (65) and (66) are formed in
Lock arm (63) is engaged in engagement hole (65) (66)
And fix the fertilizer applicator (36) in the raised or lowered position
A lock provided on the lock arm (63)
Release lever (67), which is a locking member, of the handle (61)
Extend downward and release while holding the handle (61) by the operator
Operate lever (67) and engage lock arm (63)
So that it can be removed from the holes (65) and (66)
Make up. Further, the fertilizer main body frame (51) is
The case bracket (68) is fixed by welding.
The feeding case (47) is bolted to the bracket (68).
It is to be fixed.
The extension cases (47) and (47) are connected to the left and right elevating rails (5
6) It is arranged between (56) and lift rails (56) (5).
6) On the outboard side of the machine, put out two cases of feeding cases (47) and (47).
Each case can be arranged, and a unit of 3 units can be extended as a set of 2 articles.
(47) are arranged side by side on the left and right. Further, FIG. 11, FIG. 12, FIG. 13, FIG.
4. Upper surface of the feeding case (47) as shown in FIG.
The lower outlet of the tank (46) is connected to the front inlet (69).
At the same time as the fitting case (47)
Detachable cap (71) forming an outlet (70)
The outlet (70) is closed by the. The fertilizer body
On the chute (72) to be welded and fixed to the frame (51)
Therefore, surround the outside of the outlet (70) and attach the cap (71).
Remove and open the outlet (70), inside the tank (46)
The fertilizer (A) from the chute (72),
At this time, the fertilizer applicator (36) is moved up and down the rail (56).
With the chute (72) and the base frame
The interval of (53) is expanded and the container for fertilizer is
Mute (72).
The fertilizer is configured to be easily removed. As is apparent from the above, the traveling vehicle (1)
The planting portion (15) is raised rearward via the link mechanism (27).
A tank (4
6) In addition, a feeding case (47) for feeding fertilizer is provided.
The fertilizer (36) is mounted on the rear of the traveling vehicle (1), and the fertilizer
6) Fertilize by the delivery pipe (49) extending to the rear side.
In a rice transplanter for discharging the feed to the planting section (15),
The tank (4) supported by the traveling vehicle (1) so as to be able to move up and down.
6) and the handle (6) for lifting the feeding case (47).
1) and the tank (46) for the traveling vehicle (1) and
Release lever for releasing the fixed support of the feeding case (47)
(67), and a release lever is provided below the handle (61).
-(67) is provided. Then, the operator handles (6
1) Hold the tank (46) and the feeding case (47)
Lift and extend the case (47) while supporting it at a lower position.
Perform fertilizer work and support the feeding case (47) at a high position.
Work such as removing residual fertilizer or maintenance.
Secure the pace and simplify the lifting and lowering operation of the fertilizer applicator (36)
To remove or maintain residual fertilizer in tank (46)
And other workability improvements. Further, the lower surface of the feeding case (47) is closed.
Bottom lid (75) via lever (73) and spring (74)
And detachably fixed, the hard synthetic resin
An outlet pipe (76) is integrally formed on the bottom surface of the bottom lid (75).
And fit the front end to the fertilizer body case (51)
A joint pipe (77) made of a soft synthetic resin;
(77) The front end of the outlet pipe (76) is detachable at the rear end
At the rear end of the outlet pipe (76).
The delivery pipe (49) is fitted, and the turbo fan
(50) Ventilation from fertilizer body frame (51) hollow
Blow out each pipe (77) (76) (49)
From the exit (78) of (75) to the middle of the exit pipe (76)
Move the falling fertilizer (A) to the delivery pipe (49)
It is configured as follows. The inlet side of the outlet pipe (76)
To reduce the inner diameter of the wind speed acceleration section (79)
Fertilizer (A) suction force and transport force by the air blow in (78)
It is configured to be large. Further, an inlet (80) and an outlet (81).
An entrance plate (82) having a
A dispensing plate (84) having a number of dispensing outlets (83) ... and discharge
A substantially circular flat plate with an outlet plate (86) having a mouth (85)
Case for feeding each of the plates (82), (84), (86)
(47) and the bottom cover (75)
Then, the feed shaft (87) is turned approximately vertically to the feed case (47).
Rollable and supported in each plate (82) (84) (86)
Pass the lower end of the feed shaft (87) through the center, and
7) A rubber ring (88) is detachably engaged with the lower end, and each plate is
(82) (84) (86) Pull-out shaft that can be pulled out freely
(87) and each plate is supported by a spring (74).
(82) (84) (86)
(82) and the exit plate (86) are locked to the extension case (47).
Then, the feeding shaft (87) is attached to each plate (82) (86).
While idling, the feeding plate (84) is attached to the feeding shaft (87).
The engaging plate is supported, and the feeding plate (84) is moved by the feeding shaft (87).
Is forcibly rotated, and the inlet (80) and the outlet (8
3) Move the fertilizer (A) into the outlet (85)
It is configured to drop in the direction of the outlet (78). Also, a feed-out port at the end of the inlet (80)
(83) Brush (8) for removing excess fertilizer (A) on the upper surface
9), and the height of the
(89) is attached to the feeding case (47) so that the height can be adjusted freely.
The lower end of the brush (89) with respect to the upper surface of the feeding plate (84).
Adjust the height from the outside of the feeding case (47).
(83) The fertilizer (A) is configured to regulate the output amount
I have. The outlet (8) of the inlet plate (82)
The compressed air intake (91) facing 1) is extended to the feed case (4).
7) and the hollow part of the fertilizer main body case (51)
The compressed air inlet (91) is connected by a branch pipe (92).
Through the pipe (92) and the inlet (91).
And blow air from the turbo fan (50) to the outlet (81)
To the discharge port (8)
3) Air is blown from the outlet (81), and is blown out by the air blow
The fertilizer (A) in the mouth (83) is forcibly dropped downward,
Fertilizer in form (A) or this flour remains in the outlet (83)
It is configured to prevent Further, as shown in FIGS. 4, 5, and 16,
The output of the engine (2) is transmitted to the planting section (15).
Extend the PTO shaft (93) backward from the gear change case (4).
And lift the shaft to the left of the lift frame (40).
The receiving cylinder (94) is fixed by welding and fertilization of the bearing cylinder (94) is performed.
Check the front end of the force shaft (95) in the middle of the PTO shaft (93).
Link (96). The fertilizer input shaft
(95) Fix the crank plate (97) to the rear end. Ma
The bearing plate (58) and the case bracket (68)
Square pipe-type rear frame that integrally fixes each rear end of
(98), substantially parallel to the fertilizer main body frame (51)
The rear frame (98) is laid horizontally and the rear frame
To the bearing (10) through the bracket (99)
0) and fix the fulcrum shaft (101) to the bearing (100).
The feed amount adjustment lever (102) is rotatably supported via
Let Then, the coupling lever (103) and the engagement plate (10
4) Input and disconnection through (105) to connect freely
And an output rod (106) (107),
Plate (97) and one end of the feed amount adjusting lever (102)
Are connected by the rods (106) and (107).
You. A bearing plate is provided on the rear frame (98).
The feed drive shaft (109) is rotatable via (108)
Pivoted, and a swing arm (110) is attached to the drive shaft (109).
And adjust the length of the feed amount adjusting lever (102).
One end of the flexible telescopic rod (111) is connected, and
A plurality of shaft holes (112) are formed in the swing arm (110).
The telescopic rod (111) so that the distance between fulcrums can be adjusted
And the other end of the shaft is connected to the fulcrum shaft (101).
Connection of output rod (107) and telescopic rod for each
Time to change the distance ratio by rotating the screw (113)
The transfer lever (114) is attached to the feed amount adjustment lever (102).
Through the selection of the plurality of shaft holes (112).
Swing arm (11) connecting the telescopic rod (111)
0) by changing the length of the arm (110).
By changing the roak and adjusting the fertilizer delivery amount in multiple stages,
In addition, the fulcrum shaft (10) is operated by operating the rotation lever (114).
1) Turn the feeding amount adjusting lever (102) with the screw (11).
3) Slide in the direction of the shaft center, and
The length of the connection point between the bar (102) and the rod (107),
Lever (102) and rod for fulcrum shaft (101)
By changing the length ratio of the connection point of (111),
Fertilizer by changing the reciprocating stroke of (111) steplessly
It is configured to perform stepless adjustment of the feeding amount. Further, as shown in FIG.
The bearing (115) is bolted and fixed to the arm (98),
Through the one-way clutch (115a) for preventing rotation
The clutch (116) is supported by the bearing (115).
A one-way clutch (117) is connected to the clutch shaft (116).
To provide an input link (118)
The swing link (119) is fixed to the drive shaft (109),
Link (119) to the input link (118)
-(120) and the input link (118)
To rotate the clutch shaft (116) intermittently in one direction.
One direction to rotate and return the input link (118)
The clutch (117) idles to operate the clutch shaft (11).
6) preventing the reverse rotation of the one-way clutch
(115a) and the braking action of the bearing (115)
It is configured to block. Further, a clutch is provided in the feeding case (47).
The case (121) is fixed and the feeding shaft (8
7) Bevel gears (122) and (123) on the upper end side
The input shaft (124) is always connected, and the input shaft (1)
24) is connected to the clutch shaft (116) so as to be freely connected and disconnected.
A locking clutch (125) is provided.
25) is installed inside the clutch case (121).
In both cases, a click is made to disconnect and operate the locking clutch (125).
Latch lever (126) and clutch arm (127)
Distributingly arranged before and after the clutch case (121).
On the seedling table (16) upper back of the planting section (15)
Provide the planting stop lever (128) to the rear frame
Wire stretched by the outer receptacle (129) of (98)
The clutch arm (127) is connected via (130).
Connect. Then, the planting streak lever (12
8) Each planting claw (17) for 6-row planting by operation
When the shift is stopped, the stopped planting claw (17)
Disconnect the corresponding locking clutch (125)
Stop fertilizing operation and plant seedlings with planting claws (17)
Fertilizers are applied only to the strips, for example, the left and center four strips
4 seedling cases on the left and center when planting seedlings
(47) Fertilizer is applied from
Operating the latch lever (126) to operate the locking clutch (12).
By cutting 5), the 6 feeding cases (4
7) Arbitrarily select any or all of ... to plant seedlings
Fertilization can be stopped regardless of injury
Make up. Further, as shown in FIG. 17 and FIG.
2 shafts (131) and (132) to the engagement plate (104)
It is fixed by welding and the hole (13) of the other engagement plate (105) is fixed.
3) Extract each axis (131) (132) into (133)
And a hole in one of the engagement plates (104).
(134), fixed to the other engagement plate (105) by welding
Through which an engaging shaft (135) to be inserted is freely inserted and removed
Then, one of the engagement plates (104) is connected via the shaft (131).
To rotatably support the coupling lever (103),
The coupling lever (103) is engaged and disengaged with the penetrating end of (135).
The lever (103) and the engagement shaft (135).
Is locked and held by a spring (136).
04) (105) is united and fixed in a separable manner. Soshi
The fertilizer applicator (36) to the lower position of the lifting rail (56).
When holding, the connecting lever (103) and each shaft (1
31) Each engagement fixed by (132) and (135)
Input and output rods via plates (104) (105)
(106) and (107) are integrally connected, and the fertilizer applicator (3
6) The driving force via each rod (106) (107) on the side
And the coupling lever (103) is released.
Move the lever (103) from the engagement shaft (135)
By disengaging, each engagement plate (104) (105)
Separate the input and output rods (106) (107)
It is separated and lifted by the guide of the lift rail (56).
The operation of raising the fertilizer applicator (36) to the position becomes possible.
Therefore, the operator grasped the left and right handles (61) and (61).
After operating the left and right release levers (67) and (67) by hand,
By lifting the handle (61) (61) upward,
The fertilizer (36) is moved upward to the upper end of the lifting rail (56).
And can be supported in the raised position. As is clear from the above, the fertilizer applicator (36)
When attaching to the traveling vehicle (1), remove the rear cover (45).
Remove the base frame (53),
And bolted to the upper surface of the rear end of the frame (42).
Bracket (42) on both sides and the lower left and right brackets (5
5) Left and right side stays (54) (54) between (55)
Fix it with bolts, and set the rear end at the rear end of the body frame (3).
The ring case (7) and the rear axle (39)
The base frame (53) via the frame (40).
Fix it. Then, it goes up and down on the base frame (53).
Roller (56) ... bearing roller from the upper end opening
(59) ... and each rail (56) ... and roller
(59) Base on fertilizer main body frame (51) via
The frame (53) is supported to be able to move up and down freely,
A pair of left and right bearing plates (58) (5) of the body frame (51)
8) and between the lower left and right brackets (55) (55)
Gas springs (57) and (57) are bolted and fixed.
And the fertilizer applicator (36) with the gas spring (57)
Let them support you. Next, the side lines of the floats (34) and (35)
Between the fertilizer chute (48) and the feeding case (47)
The delivery pipe (49) is connected to the
Tan (50) blown out to the delivery case
(46) fertilizer (A) is delivered from the delivery pipe (49)
It is sent out to the fertilizer chute (48) and is
Side fertilizer (A) embedded next to the seedlings for planting seedlings
Fertilization is performed. As described above, the link frame (40)
Using the fertilizer applicator (36) to install the base
When the frame (53) can be formed lightweight and compact,
The load on the fertilizer applicator (36) at the rear end of the body frame (3).
The fertilizer applicator (36) on the rear axle (39)
It can be stably supported. In addition, fertilizer main body frame (51)
And fertilizer (36) weight via gas spring (57)
Traveling by receiving the vehicle in the rear axle case (7)
The fertilizer applicator (36) is installed at a stable location on the car (1) side.
Can be supported and vibration generated on the traveling vehicle (1) side can be monitored.
Can be absorbed by the spring (57).
Due to the shock absorber effect of the spring (57)
The fertilizer feeding amount is easy to stabilize, and the fertilizer applicator (36)
Body durability can be improved. Further, at the lowered position of the lifting rail (56),
The body cover is supported by supporting the fertilizer applicator (36).
(12) The fertilizer applicator (36) is supported at a lower position
Can perform fertilizer work. On the other hand, lifting rail (56)
By supporting the fertilizer applicator (36) at the rising position of
To receive fertilizer (A) remaining in the tank (46)
Easily insert under the chute (72)
And the tank (4) against the fertilizer body frame (51)
6) Close the top and bottom width of the fertilizer applicator (36)
And lowering the center of gravity can be easily performed, and the closing lever
The bottom cover (75) is lowered by the lock release operation of (73).
To remove the rubber ring (88) and the inlet plate (82) and
The feeding plate (84) and the outlet plate (86) are connected to the feeding case (4).
7) Take out from below, each plate (82) (84) (86)
Can be cleaned. Further, the locking of the coupling lever (103) is performed.
The engagement plates (104) and (105) are separated by the unlocking operation.
When the input rod (106) and the output rod (107) are separated
The vehicle is separated and the connection between the traveling vehicle (1) and the fertilizer applicator (36) is completed.
Is released without using the brackets and guided by the lift rail (56).
The fertilizer applicator (36) can be raised. Also before
Swing arm (110) with shaft hole (112) ...
Connecting the rod (111) and the fulcrum shaft (101)
Rod (107) (111)
By changing the feed amount adjustment lever (102)
Feeding shaft with the rotation speed of the fertilizer input shaft (95) kept constant
The number of rotations of (87) is changed in multiple steps or steplessly.
And adjust the feeding amount of fertilizer (A) by feeding plate (84).
Can be done stepwise or steplessly. Moreover, the planting section (15)
The planting part (15) is operated by operating the lever (128).
By simply changing the number of planting strips, the planting claw (1
The fertilizer feeding of the feeding case (47) facing
Automatically stop via the switch arm (127)
To prevent waste of fertilizer and to feed 6 articles
Case (47) ... clutch lever provided for each case
-(126) ... is turned on and off arbitrarily by the operator, and
Fertilizer by whole or part of the feed case (47) ...
(A) Feeding can be stopped manually.
You. Further, the planting portion (1) is provided on the rear side of the traveling vehicle (1).
5) and the running car (1)
(15) For a rice transplanter equipped with a fertilizer applicator (36) on the front side
The right and left support members at the rear of the traveling vehicle (1)
And the fertilizer (36)
Left and right lifting rail (56) with fertilizer main body frame (51)
(56), so that the coupling lever (10
3) Input rod (106) and output rod by operation
Separate (107) and remove only one drive connection
And a delivery pipe formed of a flexible hose (49)
Raising the fertilizer applicator (36) with the
Can be. In addition, during the fertilization work performed at the same time
Stably descent support at a low position via the descending rail (56)
And the fertilizer applicator (3) via the lifting rail (56).
6), the fertilizer applicator (3)
6) Cleaning of the lower feeding case (47) and fertilizer
Removal of residual fertilizer from the lower part of the hopper (46) of (36)
And other operations from the driver's seat (13) side of the traveling vehicle (1).
Easy to do, for example, between the traveling vehicle (1) and the planting part (15)
Dangerous work when workers enter and lift the fertilizer applicator (36)
Large container for unnecessary fertilizer
At the lower part of the hopper (46) in the raised position.
3) can be easily put in and out, fertilizer from the container
It can be easily collected without spilling. Further, the body frame of the traveling vehicle (1)
(3) Left and right width and base frame (5) of fertilizer applicator (36)
3) The left and right widths are formed to be approximately the same size, and the base
Elevating rails that are left and right support members on both sides of the frame (53)
(56) and (56), and the traveling vehicle (1)
Elevator rail (56) is placed within the left and right width of the fuselage,
It has a compact configuration, and also has an empty fertilizer supply
A space is secured around the fertilizer applicator (36), and
Using the full width of the frame (3) in the left-right direction, the fertilizer applicator (3
6) can be safely supported, and the fertilizer applicator (36) support structure
Can easily be made compact. Further, a feed cable for two rows of the fertilizer applicator (36) is provided.
(47) (47) with left and right support members on both sides
A certain elevating rail (56) (56) is arranged,
The left and right lifting rails (56), 2
To dispose the feeding cases (47) and (47)
Constitutes a six-row fertilizer applicator (36),
Outgoing cases (47) and (47) as one unit, even number
Fertilizer applicator (36) can be installed easily, and the driver's seat
(13) From the side, left and right to the width where the operator can easily operate with both hands
Set the handle (61) (61) on the fertilizer main body frame (51).
Close to the outside of the left and right elevating rails (56) (56)
Then, the left and right handles (61) and (61) are arranged. like this
In addition, left and right elevating rails are the most advantageous in terms of handling and strength
(56) (56) A handle for raising and lowering operation held by an operator nearby
(61) can be arranged to improve the maneuverability of the fertilizer applicator (36).
The upper part can be easily achieved. Further, the fertilizer applicator (36) is moved up and down.
At the lowered position, it is fixed to the elevating rail (56)
Release lever (67) and locker as lock members
The fertilizer (36) is raised or
Lock the fertilizer applicator (36) in the lowering position and raise or lower the
It can prevent crops and can be handled safely. Raise the fertilizer applicator (36).
Locker on handle (61) gripped by operator when lowering
Attach the lock (63) and bring it close to the handle (61).
A bar (67) is provided, and the release lever is released with the hand gripping the handle (61).
The bar (67) can be operated to release the lock.
Up / down movement by handle (61) and release lever (67)
The lock release operation can be performed in a series and is easy to use.
The handle (61) and the release lever (67) are formed separately.
Of the lock arm (63) by the handle (61)
Like the structure to release the lock operation, handle (61)
Prevents malfunctions caused by unlocking just by grasping, safe
Can be handled. When the fertilizer applicator (36) is lowered,
The lock arm (63) is locked to the base of the lower end of the
In the normal lowering position support state such as during fertilization work
The fertilizer applicator (36) is fixed with a large supporting strength. [0034] As apparent from the above examples, the present invention
Is located on the rear side of the traveling vehicle (1) via a link mechanism (27).
The planting section (15) is installed to be able to move up and down freely, and fertilizer is
Tank to put (46)When,Feeding case to feed fertilizer (4
7)And fertilization of the float (34) of the planting part (15)
Drain fertilizer to delivery port (48) via delivery pipe (49)
Blower fan (50) and fertilizer body frame (5
1) ProvideThe fertilizer applicator (36) is mounted on the rear of the traveling vehicle (1)
AndVia a lifting rail (56) provided at the rear of the traveling vehicle (1)
And the fertilizer applicator (36) is lowered on the upper surface of the body cover (12).
And fertilizer application, and lift rails
Position the fertilizer applicator (36) at the raised position of (56) and
(46) configured to receive residual fertilizerRice transplanter
AndA fertilizer (3) is mounted on the fertilizer main body frame (51).
6)Handle (61) for lifting operationAnd the front
On the lower side of the entry handle (61),For traveling vehicle (1)Fertilization
Machine (36)Release lever (67) to release the fixed support of
SettingGutterThe worker holds the handle (61) and the tank
(46) and lifting case (47),Out
Remove the residual fertilizer by supporting the case (47) at a high position
Or work space for maintenance etc. can be easily secured.
Fertilizer (36) simplification of lifting operation and tank (4
6) Workability such as removal of residual fertilizer or maintenance
Improvement can be easily achieved.

[Brief description of the drawings] FIG. 1 is a side view of a rear axle case. FIG. 2 is an overall side view. FIG. 3 is a plan view of the same. FIG. 4 is a side view of the traveling vehicle. FIG. 5 is a plan view of the same. FIG. 6 is a rear view of the fertilizer application unit. FIG. 7 is a side view of a base frame portion. FIG. 8 is a rear view of the same. FIG. 9 is a plan view of the same. FIG. 10 is an enlarged view of FIG. 8; FIG. 11 is a side view of the fertilizer applicator. FIG. 12 is a side view of a feeding case portion. FIG. 13 is a rear view of the same. FIG. 14 is an enlarged view of FIG. 12; FIG. 15 is a plan view of a feeding case portion. FIG. 16 is a side view of a fertilizer applicator drive unit. FIG. 17 is a rear view of the drive input unit. FIG. 18 is an exploded side view of the same part. [Explanation of symbols] (1) Traveling car (15) Planting department (27) Link mechanism (36) Fertilizer (46) Tank (47) Extension case (49) Delivery pipe (61) Toride (67) Release lever

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

Claims (1)

(1) A link mechanism (2) is provided on the rear side of the traveling vehicle (1).
7) The planting section (15) is installed so as to be able to move up and down freely through the tank, a fertilizer tank (46) , a feeding case (47) for feeding the fertilizer, and a float (3) of the planting section (15).
4) Via the delivery pipe (49) to the fertilizer chute (48)
Blower fan (50) that discharges fertilizer and fertilizer application body
The fertilizer applicator (36) provided with the frame (51) is mounted on the rear part of the traveling vehicle (1), and
The fertilizer applicator (36) via the body cover (56)
(12) When the fertilizer application is performed while being supported at a lower position on the upper surface,
In both cases, the fertilizer applicator (36)
To receive the residual fertilizer in the tank (46)
In the constructed rice transplanter, the fertilizer main body frame (5
1) A handle (61) for lifting and operating the fertilizer applicator (36 )
The provided with, on the lower side of the handle (61), vehicle (1) rice transplanter, wherein the release lever (67) has only set for releasing the fixed support fertilization machine (36) for.