JP2000078911A - Rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the maintenance operation of each part of a traveling main body installed at the lower side of a step and to improve an assembly workability. SOLUTION: This rice transplanter is obtained by equipping a traveling main body with a manuring frame 51, attaching a fertilizing machine to the manuring frame and mounting the fertilizing machine on the top of a step 44 at the upper side of the traveling main body. In this case, the step 44 is provided with a cut 59 at the part overlapped with the fertilizing machine when viewed in a plane to install the manuring frame 51.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Patent Application Laid-Open No. 4-135409, there is a mid-mount fertilization technique in which a fertilizer is provided at a rear portion of a rice transplanter, and side fertilization is simultaneously performed during seedling planting work.

[0003]

In the prior art, since the fertilizer is mounted on the upper surface of the vehicle body cover which integrally forms the step, the fertilizer falling from the fertilizer is received on the upper surface of the step, and the fertilizer is applied to each part of the traveling machine body. Can be removed, but it is necessary to remove the fertilizer and remove the body cover during maintenance of the parts below the body cover, which makes maintenance of the parts below the rear of the body cover extremely troublesome. was there.

[0004]

SUMMARY OF THE INVENTION The present invention provides a rice transplanter in which a fertilizer application frame is mounted on a traveling machine body, a fertilizer applicator is mounted, and a fertilizer applicator is mounted on a step upper surface on an upper side of the traveling machine body. A fertilizer application frame is attached by opening a notch at the step of the overlapping part, and by opening a notch at the step side edge, with the fertilizer frame and the fertilizer applied to the traveling machine body, The steps can be removed from the traveling aircraft to open the traveling aircraft upper surface,
The maintenance work of each part of the traveling body provided on the lower side of the step can be easily simplified, and the steps can be attached to the traveling body after the planting part and fertilizer applicator have been assembled, facilitating the improvement of assembly workability, etc. It is possible to achieve.

[0005]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view of a fertilizer support unit, 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 which is a traveling body on which an operator rides. The engine (2) is mounted on the body frame (3),
A front paddle traveling front 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 attached to both sides of the hood (9) that covers the engine (2) and the like, and the transmission case (12) is mounted by a body cover (12) on which an operator rides via a footrest (11). 4) and the like, and a driver's seat (13) is mounted on the upper part of the vehicle body cover (12).
Is provided.

[0006] In the figure, reference numeral (15) denotes a planting portion provided with a seedling mounting table (16) for six-row planting and a plurality of planting claws (17). Forward tilting seedling platform (1
6) is supported on a planting case (20) via a lower rail (18) and a guide rail (19) so as to be reciprocally slidable right and left, and a rotary case (21) is rotated at a constant speed in one direction. A pair of claw cases (22) and (22) are supported at the case (20) and symmetrically positioned around the rotation axis of the case (21), and the claw case (22) is provided.
(22) Attach the planting claws (17) and (17) to the tip. A hitch bracket (24) is provided on the front side of the planting case (20) via a rolling fulcrum shaft (23), and is provided via a lifting link mechanism (27) including a top link (25) and a lower link (26). A hitch bracket (24) is connected to the rear side of the traveling vehicle (1), and the link mechanism (2)
7) A lifting cylinder (28) for raising and lowering the planting part (15) is connected to the lower link (26), and the front and rear wheels (6) and (8) are driven and moved, and simultaneously reciprocated right and left. A seedling for one plant is taken out from the slidable seedling mounting table (16) by a planting claw (17), and the planting operation is continuously performed.

In the figure, (29) is a main speed change lever, (3)
0) is a sub-shift lever for planting elevating and working travel shifting, and (3)
1) is a planting sensitivity adjusting lever, (32) is a main clutch pedal, (33) and (33) are left and right brake pedals, (3)
4) is a center float for two-row equalization, (35) is a side float for two-row equalization, and (36) is a side-row fertilizer for six rows.

Further, as shown in FIGS. 4 and 5, an engine (2) is mounted on a front portion of the pair of left and right rectangular cylindrical body frames (3) and (3), and front axles (37) and (37). ), A front axle case (5) for pivotally supporting the left and right front wheels (6) and (6) is mounted on the lower surface of the body frame (3) (3) behind the engine (2), and the front axle case (5) left and right behind A continuously variable transmission case (38) is provided between the body frames (3) and (3), and the continuously variable transmission case (3) is provided.
8) A gear transmission case (4) is provided between the rear left and right body frames (3) (3), and the rear axles (39) (39)
Rear axle cases (7) for supporting the left and right rear wheels (8) and (8) through the rear are fixed to the lower surfaces of the rear ends of the left and right body frames (3) and (3), and the output of the engine (2) is changed to the speed change cases (3).
8) The driving force is transmitted to each axle case (5) (7) via (4) to drive the front and rear wheels (6) (8).

Further, a front-view gate-shaped lift frame (4)
0) Both ends of the left and right body frames (3) and (3) are fixed to the upper surface of the rear end by welding, and a brake pedal receiving shaft (41) in the middle of the body frame (3) and a lift frame ( 40) Between the middle, sub-frames (42) and (42) for inclining to front low and rear high are erected,
Lift cylinder (2) between subframes (42) and (42)
8), and a link mechanism (27) formed by a top link (25) and a lower link (26) is attached via each frame (3), (40), (42), and the link mechanism is moved by a lifting cylinder (28). The planting section (15) is moved up and down by swinging (27).

Further, the vehicle body cover (12) is formed so as to be separable into two parts by a front step (43) and a rear step (44), and the fertilizer (36) is mounted above a rear portion of the rear step (44). The tank (45) for fertilizer and the feeding case (4)
6), a blower turbofan (49) for discharging fertilizer through a flexible delivery pipe (48) to the lateral fertilizer chute (47) of the floats (34) and (35), and a cylindrical fertilizer main body frame (50). And the fertilizer applicator (36)
And a turbo fan (49) is attached to the left end of the fertilizer main body frame (50), and six sets of six feeding cases (46) and a delivery pipe (48) are connected to the fertilizer main body frame (50). Then, the fertilizer fed from the feed case (47) by the air blown from the fan (49) is transported to the fertilizer chute (47).

Further, a base frame (51), which is a fertilizer application frame, is attached to the rear end of the body frame (3) above the link frame (40), and fertilizer is applied through the base frame (51) which is laid horizontally. Machine (36) and a pair of left and right side stays (52) (52)
And the fertilizer applicator (36) is provided via the rear view portal type frame structure of the base frame (51), and the left and right sub-frames (42) (42) above the link frame (40).
The middle lower surface of the base frame (51) is bolted and fixed to the upper surface of the rear end, the left and right side stays (52) and (52) are fixed to the left and right ends of the base frame (51) by bolts, and the left and right body frames (3) and (3) are fixed. ) Left and right side stays (52) (52) on rear end brackets (53) (53)
The lower end is bolted and fixed.

An elevating rail (54) ... is erected on both sides of a base frame (51) in an H-shape in plan view, which is laid substantially horizontally, and one set of front and rear two pairs of left and right elevating rails (5) are provided.
4) Fertilizer (36) via (54) (54) (54)
And the fertilizer applicator (36) is mounted so as to be able to move up and down freely by means of a portal frame structure comprising a pair of left and right gas springs (55) (55), which are elastic raising members, and a fertilizer main body frame (50). Body frame (3)
The rear axle case (7) arranged at the rear end supports the weight of the fertilizer applicator (36). The bearing plates (56) (56) face the left and right elevating rails (54) (54).
Are fixedly welded to the fertilizer main body frame (50), and bearing rollers (57) which are rotatably fitted to the rails (54) are rotatably supported on a bearing plate (56). (54) Two sets of (54) are provided symmetrically, two upper and lower rollers (57) and (57) are attached to one rail (54), and the fertilizer main body frame (50)
Are supported on the base frame (51) by four rails (54) and eight rollers (57).

The gas spring (55) has substantially the same structure as the gas spring (55). An auxiliary gas spring (58) is provided on the front side, and four gas springs (55) (55) (5)
8) The fertilizer applicator (36) can be appropriately lifted by (58).

Thus, in a riding rice transplanter in which the rear wheel (8) is mounted at the rear of the traveling vehicle (1) via the rear axle case (7), a pair of left and right gas springs (55)
A fertilizer main frame (50) of the fertilizer (36) is mounted on the rear axle case (7) via (55), and the fertilizer (36) is provided on the traveling vehicle (1) so as to be able to move up and down.
A gas spring (55) is connected to a position substantially at the center of gravity of the fertilizer, and the support of the fertilizer (36) is stabilized by the support from the rear axle case (7), and the fertilizer is applied by the operator by the support of the gas spring (55). Machine (36)
The lifting operation force is reduced, the workability such as cleaning or lifting of the residual fertilizer performed by lifting the fertilizer applicator (36) is improved, and the front and rear or left and right of the fertilizer applicator (36) by the lifting force of the gas spring (55) is improved. Prevents tilting and smoothes up and down movement of the fertilizer applicator (36).
The lifting and lowering guide structure is simple, lightweight and compact by means of lifting and lowering rails (54).

As shown in FIGS. 6, 7 and 8, the rear end of the rear step (44) of the vehicle body cover (12) is extended to a position above the rear end of the vehicle body frame (33). 44) At the rear end, left and right notches (59) for vertically inserting the base frame (51) and the elevating rail (54) are opened, and the fertilizer applicator (36) is mounted on the rear end of the body frame (3). In this state, the front and rear steps (43) and (44) can be removed. As described above, the beta frame (51) as the fertilizer application frame is provided on the traveling vehicle (1) as the traveling body, the fertilizer applicator (36) is attached, and the step (4) above the traveling vehicle (1) is mounted.
4) In the rice transplanter on which the fertilizer applicator (36) is mounted on the upper surface, a notch (59) is opened in the step (44) at a portion overlapping with the fertilizer applicator (36) in a plan view, and the beta frame ( 51) is attached, and the step (44) is performed.
The beta frame (51) and the fertilizer applicator (3) are formed by opening a notch (59) at the side edge or by forming the step (44) at the position of the notch (59) so as to be dividable.
6) is attached to the traveling vehicle (1), and step (4) is performed.
4) The traveling vehicle (1) is detached from the traveling vehicle (1) to open the upper surface of the traveling vehicle (1). Step (44) The traveling vehicle (1) provided on the lower surface side simplifies the maintenance work of each part, and performs the planting section (15). ) And a fertilizer applicator (36), etc., and then a step (44) is attached to the traveling vehicle (1) to improve the assembly workability.

In the case of an airframe without a fertilizer applicator in which the fertilizer applicator (36) is detached from the body frame (3), the notch (59) is closed with a closing plate (60). 59) Outer step (44) Bolt (6
A stay (62) is detachably fixed via 1), and a substantially rectangular cutout (59) in a plan view is substantially covered by a rectangular closing plate (60) fixed to the tip of the stay (62). The step (44) is closed to improve safety protection.

Further, as shown in FIG. 10, an outer wall (43) which is a skirt formed by bending left and right outer edges of front and rear steps (43) and (44) of the body cover (12).
a) The vertical width (depth) (H1) (H2) of (44a)
Except for the front and rear wheels (6) and (8), the front and rear outer walls (43a) and (44a) are formed with a larger dimension than the front wheel (6). (H3) is formed in a small dimension (H1> H3, H2> H3), and the outer wall (43a) (44a) and the front wheel (6) are set within a predetermined ground height of the front and rear steps (43) and (44). Step (43) while securing a certain gap or more between
(44) The rigidity and strength of the steps (43) and (44) are improved by increasing the upper and lower widths (H1) and (H2) of the outer walls (43a) and (44a) of the main body.

Further, the vehicle body cover (12) has a minimum vertical width (H3) of the outer walls (43a) and (44a).
Is divided into front and rear steps (43) and (44) at the straight portion (a slight vertical deviation is inconspicuous), and the rear and front ends of the divided front and rear steps (43) and (44) are divided into the left and right body frames. (3) Horizontal frame (6) fixed between (3)
3) On the upper surface, the post-step (44) and the pre-step (4)
3) Support in an overlapping manner in the order of
3) The horizontal frame (6) supporting the rear end and the front end of (44)
According to 3), the outer wall (43a) (44a) is configured to simultaneously reinforce the weakest minimum width (H3).

As shown in FIGS. 8 and 11, the driver's seat (13) and a post-step (4) for supporting the driver's seat (13) are performed.
4) A tool box (64) is provided between the seat receivers (44b), and a sealing sheet (65) is provided at a maintenance inspection opening (65) fixed below the driver's seat (13) of the receiver (44b). 66), the bottom of the main body of the tool box (64) is fitted, and the flange (64a) on the peripheral edge of the main body is seated (4).
4b) is fixed via a wing nut (67), and an elastic hook (70) is attached to a lid (69) which can be opened and closed via a hinge (68) on a tool box (64) body, and the lid (69) is closed. Occasionally, the hook (70) is engaged with a hook pin (71) fixed to the flange portion (64a) of the tool box (64) body, so that the tool box (64) does not always hinder the operation of the driver's seat (13). It is installed at the lower position, and the inspection opening (65) is closed with a tool box (64) to prevent entry of a fertilizer or the like from a gap by a sheet (66), and when using a tool, the lid is released only by releasing the hook (70). (69) is configured to be easily opened so that necessary tools can be easily used.

As shown in FIGS. 12 and 13, the rear edge of the rear step (44), that is, the rear step (44)
A plurality of fertilizer receivers (72) are detachably disposed around the vicinity of the fertilizer applicator (36), and a hook engaging groove (73) formed in the outer wall (44a) of the rear step (44). Hooks (7) provided on each fertilizer tray (72)
4) is engaged, and a fertilizer receiver (72) is mounted around the rear step (44). When the fertilizer falls from the fertilizer applicator (36) to the rear step (44), the fertilizer is received in the fertilizer receiver (72). The fertilizer is stored on the upper surface of the rear step (44) or on the lower side of the rear step (44) to prevent inconveniences such as spilling of fertilizer and generation of rust.

This embodiment is configured as described above, and the fertilizer (A) in the tank (45) taken out to the feeding case (46) is sent from the delivery pipe (48) by the blowing of the turbo fan (49). The fertilizer (A) is sent out to the side-strip fertilization chute (47), and the fertilizer (A) is embedded adjacent to the planting streak of the seedling by the planting claw (17).

By mounting the fertilizer (36) using the lift frame (40), the base frame (51) can be made lightweight and compact, and the load of the fertilizer (36) can be reduced after the body frame (3). By supporting at the end, the fertilizer applicator (36) can be stably supported on the rear axle (39). Further, the weight of the fertilizer applicator (36) is received by the rear axle case (7) via the fertilizer main body frame (50) and the gas spring (55), so that the traveling vehicle (1)
The fertilizer applicator (36) can be supported at a location where the strength is stable on the side, and the vibration generated on the traveling vehicle (1) side can be absorbed by the gas spring (55). Due to the absorber effect, the amount of fertilizer fed out can be easily stabilized, and the durability of the main body of the fertilizer applicator (36) can be improved.

The notch (59) allows the front and rear steps (43) and (44) to be easily removed while the load of the fertilizer applicator (36) is always supported on the body frame (3). Maintenance of each part of the machine and the fertilizer (36) incorporated in the lower part of these steps (43) and (44) can be improved, and the fertilizer (36) can be easily mounted even when retrofitted. be able to.

Also, in the front and rear steps (43) and (44), with the fixed ground clearance of these steps (43) and (44), between the outer walls (43a) and (44a) and the front wheel (6). Width (H1) of the outer walls (43a) and (44a) other than the vicinity of the front wheel (6)
(H2) is increased by a very simple configuration means.
The rigidity and strength of these steps (43) and (44) can be improved. Furthermore, the outer walls (43a) (44
By dividing into the front and rear steps (43) and (44) at the portion where the upper and lower width (H3) of a) is the smallest, the portion (H3) of the weakest strength with the horizontal frame (63) supporting the divided end portion Can also be made possible at the same time, these steps (43) by economic means
The rigidity and strength in (44) can be effectively improved.

FIG. 14 shows an alternative to the fertilizer receiver (72) described above.
On the rear upper surface of the rear step (44), a plurality of saucers (75), which are fertilizer receivers for storing fertilizer that spills on the rear step (44) from the fertilizer applicator (36), are provided in a freely detachable manner. It is possible to reduce the size of the structure by incorporating it and increase the amount of fertilizer stored.

FIG. 15 shows a subsequent step (4).
4), a rear cover (76) is divided and formed, and the base frame (51) and the lifting rail (5) are provided at the joint of the rear end of the rear step (44) and the front end of the rear cover (76).
Notch (59a) (5)
9b), respectively, to make it possible to easily remove the rear step (44) and the rear cover (76) while the fertilizer applicator (36) is supported on the rear end of the body frame (3). It is a thing.

FIG. 16 shows a large-diameter large-diameter member in which the base frame (51) and the lifting rail (54) are vertically inserted into the joint between the rear step (44) and the rear cover (76). The semi-circular cutouts (59c) and (59d) are formed, respectively, and the rear step (44) and the rear cover (76) are maintained while the fertilizer applicator (36) is supported on the rear end of the body frame (3). Can be easily removed.

As described above, in a mobile agricultural machine equipped with a fertilizer applicator (36) at the rear of the traveling vehicle (1), which is a traveling machine body, the fertilizer application frame supports the fertilizer applicator (36) on the traveling vehicle (1). In addition to providing a base frame (51),
Notch (59) for vertically inserting base frame (51) into body cover (12) covering the upper side of traveling vehicle (1)
The fertilizer (3) is mounted on the traveling vehicle (1).
6) Even when the body cover is left attached, the body cover (12)
The body cover (1) is formed by a notch (59) formed in
2) All the components can be easily removed, and maintenance of various components incorporated below the vehicle body cover (12) can be easily performed.

Also, in a mobile agricultural machine in which steps (43) and (44) are formed on a body cover (12) that covers the upper side of the traveling vehicle (1), an outer wall (43a) of the body cover (12) is provided.
The upper and lower widths (H1) and (H2) of the outer walls (43a) and (44a) other than the wheel proximity portion are recessed by recessing the wheel proximity portion of (44a).
Therefore, steps (43) and (4) of the vehicle body cover (12) requiring strength and rigidity when getting on and off a person are required.
The strength and rigidity of the part 4) can be improved by extremely simple structural means of the body of the vehicle body cover (12).

Further, the outer wall (43) of the vehicle body cover (12)
a) Since the body cover (12) is divided into front and rear portions at the minimum position of the vertical width (H3) of (44a), the divided end portion requiring the support member and the outer wall (43) having the weakest strength are required.
a) It is possible to make the upper and lower minimum width positions of (44a) coincide with each other and to improve the support strength for both of them by one supporting member.

Further, in a mobile agricultural machine equipped with a fertilizer applicator (36) above the rear part of the traveling vehicle (1), the fertilizer applicator (36) of the vehicle body cover (12) covering the upper side of the traveling vehicle (1).
Since the fertilizer receivers (72) and (75) for storing fertilizer are detachably provided in the vicinity, the fertilizer applicator (36) can be placed on the vehicle body cover (12) at the time of replenishing the fertilizer or removing the remaining amount. The falling fertilizer is collected and stored in the fertilizer receivers (72) and (75) to effectively prevent rust on the vehicle body cover (12) and the like and prevent loss of fertilizer.

[0032]

As is apparent from the above embodiment, the present invention provides a fertilizer application machine (36) by mounting a fertilizer application frame (51) on a traveling machine body (1), and a step (44) above the traveling machine body (1). In a rice transplanter in which a fertilizer applicator (36) is mounted on the upper surface, a notch (59) is opened in the step (44) in a portion overlapping with the fertilizer applicator (36) in plan view, and a fertilizer application frame (51) is attached. The step (44)
By opening the notch (59) at the side edge, the fertilizer application frame (51) and the fertilizer applicator (36) can be connected to the traveling body (1).
Step (44) is performed with the vehicle (1)
(1) The upper surface of the traveling body (1) can be opened by removing the traveling body (1). The traveling body (1) provided on the lower side of the step (44) can simplify maintenance work of each part, and can easily perform the planting section (15) and the fertilizer application. After the machine (36) or the like is assembled, the step (44) can be attached to the traveling body (1), so that the assembling workability can be easily improved.

[Brief description of the drawings]

FIG. 1 is a side view of a fertilizer support unit.

FIG. 2 is an overall side view.

FIG. 3 is an overall plan view.

FIG. 4 is a side view of the traveling vehicle.

FIG. 5 is a plan view of the traveling vehicle.

FIG. 6 is an explanatory plan view of a vehicle body cover.

FIG. 7 is an explanatory plan view showing a notched state of the vehicle body cover;

FIG. 8 is an explanatory side view showing a cut-out state of the vehicle body cover.

FIG. 9 is an explanatory plan view of a state in which a closing plate is attached.

FIG. 10 is an explanatory side view of a divided portion of the vehicle body cover.

FIG. 11 is an explanatory plan view of a tool box.

FIG. 12 is an explanatory plan view showing an attached state of the fertilizer receiver.

FIG. 13 is an explanatory side view showing an attached state of the fertilizer receiver.

FIG. 14 is an explanatory plan view showing an attached state of the fertilizer receiver.

FIG. 15 is an explanatory plan view of the vehicle body cover.

FIG. 16 is an explanatory plan view of the vehicle body cover.

[Explanation of symbols]

 (1) Traveling vehicle (traveling body) (36) Fertilizer applicator (44) Step (51) Beta frame (fertilizer application frame) (59) Notch

Claims (1)

[Claims] 1. A rice transplanter in which a fertilizer application frame is mounted on a traveling body and a fertilizer is mounted thereon, and a fertilizer is mounted on an upper surface of a step on an upper side of the traveling body. Rice transplanter characterized by having a fertilizer application frame installed.