JP2001180307A - Traveling agricultural machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To protect an oil filler cap 74 part and facilitate oil filling operations both with the use of a step 68. SOLUTION: A traveling agricultural machine has a step 68 where an operator steps up. The step 68 has an oil filler port 76, which is in opposition to the oil filler cap 74 on a fuel tank 40.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile agricultural machine such as a rice transplanter for continuously performing seedling planting operations, for example, having a seedling table and planting claws.

[0002]

2. Description of the Related Art Conventionally, as shown in Japanese Utility Model Laid-Open Publication No. 63-150146, there is a riding rice transplanter in which a step for moving an operator is formed on both sides of an engine and an engine is installed inside a hood at a front portion of the body. .

[0003]

In the fuselage structure according to the prior art, when a fuel tank is installed above the bonnet using the upper surface of the engine, fuel is added due to heat generation or exhaust heat of the engine. The fuel is heated and bubbles are easily generated in the fuel while being supplied to the engine. In addition, there is a problem that water condensed on the fuel tank side during the long-term storage moves to the fuel supply parts and accumulates. Also, the fuel tank filler port is located at the bonnet height.

[0004]

According to the present invention, there is provided a mobile agricultural machine having a step for an operator to board, wherein a refueling work port is provided in the step, and a refueling cap of a fuel tank is provided opposite the refueling work port. The fuel tank can be refueled from a refueling working port of the step through a refueling port for mounting a refueling cap. To carry out the refueling operation.

[0005]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a plan view of the engine unit, FIG. 2 is a side view of the riding rice transplanter, and FIG. 3 is a plan view of the same.
Is a traveling vehicle on which an operator rides. The engine (2) is mounted on a pair of left and right body frames (3), (3) above the front portions thereof, and a gear shift case (4) is provided in front of a front axle case (5). And a rear axle case (7) is connected to a rear portion of the gear transmission case (4) to support the paddy field traveling front wheel (6).
Support the paddy field running rear wheel (8). A spare seedling mount (10) is mounted on both sides of the hood (9) covering the engine (2) and the like, and the gear shift case (4) is mounted by a body cover (12) on which an operator rides through step (11). ) And the like, and a driver's seat (13) is attached above the vehicle body cover (12). A steering handle (14) is provided in front of the driver's seat (13) and at the rear of the hood (9).
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 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.

[0007] In the figure, (29) is the main shift 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. 1, 4, 5, 6, and 7, a gantry (37) is provided on the upper surface of the front part of the vehicle body frame (3) which is inclined at a low front and rear height (inclination angle of about 4 degrees). ) Are integrally fixed, and an engine mount (39) is mounted on an upper surface of the mount (37) which is substantially horizontal in the front-rear direction via a vibration isolating rubber (38). The engine (2) is mounted on the engine mount (39). ) And a fuel tank (40) on the left side of the engine (2).
A muffler (41) is mounted on the right side of the engine (2), and a battery (43) is mounted on the front end side of the vehicle body frame (3) via a front frame (42).

Further, a case base (43) is integrally fixed to the body frame (3), a steering case (44) is attached to the case base (43), and a steering handle (14) is inserted into the cylinder (45). ) Steering shaft (46)
The output shaft (47) is projected from the lower surface of the steering case (44) at the substantially center between the left and right body frames (3) and (3), and the output shaft (47) is projected from the lower surface of the steering case (44). The steering arm (4) that turns the 6)
8) is attached to the output shaft (47).

A substantially horizontal cylindrical bearing body (49) is welded and fixed to the rear end of the engine stand (39) below the engine (2), and a counter shaft is attached to the bearing body (49). (50) The front side is cantilevered and the counter shaft (5
0) A counter pulley (51) is mounted on the rear end side, and an alternator (52) is mounted on the right side of the cylindrical body (45).
And an alternator (5) on the rear side of the engine (2).
The left and right body frames (3)
(3) The output shaft (5) of the engine (2)
3), an output pulley (54) is attached to the output shaft (53), and the output pulley (54) is connected to the counter pulley (51) via V-belts (55) and (55). (52) Input pulley (56)
The output pulley (54) is connected via a V-belt (57).

Further, a rear axle case (7) is bolted and fixed to the rear end of the vehicle body frame (3), and a gear transmission case (4) is provided on the front surface of the rear axle case (7).
The rear surface is connected and fixed, a clutch case (58) is integrally formed on the right front surface of the gear transmission case (4), and the continuously variable belt transmission case (5) is formed on the front surface of the clutch case (58).
9) Connect the right rear surface and fix it.
8) The hydraulic pump (60) for operating 8) is fixed to the left rear surface of the belt speed change case (59), and is positioned lower than the upper surface between the left and right body frames (3) and (3) having a square pipe shape. Each case (4) (58) (59) and the hydraulic pump (60) are suspended and fixed, and a transmission shaft (61) with a universal joint is provided between the rear end of the counter shaft (50) and the belt transmission case (59). The transmission of the engine (2) is transmitted to the belt transmission case (59), and the front wheel transmission shaft (62) is provided between the front axle case (5) and the gear transmission case (4) to change the transmission output of the gear transmission case (4). Is transmitted to the front and rear wheels (6) and (8) via the respective axle cases (5) and (7).

Further, as shown in FIGS. 1, 6 and 7, the front ends of the left and right body frames (3) and (3) are integrally fixed by a pipe frame (63) to form a pair of front high and low low front frames (3). 42) (42) Connect the rear end to the pipe frame (6
3) and the battery (43) is mounted between the left and right front frames (42) and (42) via the mounting table (64).
Also, the front guard frame (65) is bolted and fixed to the upper surface of the front end of the front frame (42), and the front guard frame (65) is extended substantially horizontally in the left-right direction on the upper surface side of the battery (43). Left and right guard frames (66) and (67) are bolted and fixed to both ends of the front guard frame (65), and a left guard frame (66) is extended rearward on the upper surface side of the fuel tank (40). (4
A right guard frame (67) is extended rearward on the upper surface side of (1) and is substantially parallel to the shape of the front end and left and right side ends of the front step (68) for work formed by the body cover (12). The guard frames (65), (66), and (67) are attached to the lower surface of the front step (68) substantially parallel to the flat shape of the upper surface of the front step (68). ) To protect the fuel tank (40), the muffler (41) and the battery (43) by limiting the deformation of the previous step (68).

Further, left and right front seedling support columns (69) and (69) are connected to both ends of the pipe frame (63), and left and right rear seedling support columns (70) are connected to the left and right body frames (3) and (3).
(70), and the columns (69) and (70) are erected substantially vertically outside the front step (68).
9) (70) Attach the spare seedling mount (10) on the upper end side.
Also, the left front frame (42) and the front and rear seedling support (6)
9) Attach the fuel tank (40) to the (70) via the mounting tables (71), (72), and (73), and attach the refueling port (75) with the refueling cap (74) that can be opened and closed to the fuel tank (4).
0) It is provided on the upper surface, and the refueling work port (7
6) A fueling cap (74) is provided below, and a fueling port (75) with the fueling cap (74) removed from the fueling work port (76) of the previous step (68) using a portable fueling tank or the like. Fuel is supplied, and fuel is supplied to the fuel tank (40) below the previous step (68).

As apparent from the above, the engine (2)
A fuel tank (40) is provided at a position lower than the upper surface of the engine (2) on the side of the fuel tank (40), and the fuel tank (40) is disposed on the left and right sides opposite to the muffler (41). The fuel tank (40) and the muffler (4) are located on the left and right of the engine (2).
1) is distributed, and the fuel tank (4) is generated by heat generation of the engine (2) or exhaust heat of the muffler (41).
0) is prevented from becoming high temperature, the problem that the fuel is not supplied properly due to the generation of bubbles in the fuel inside the carburetor (77) is eliminated, and the fuel for the engine (2) using the carburetor (77) is used. Supplying them properly,
A lower surface of a fuel tank (40) is provided above a vehicle body frame (3) on which the engine (2) is mounted, to prevent the fuel tank (40) from colliding with a field ridge or the like during farm work and being damaged, and By using the frame (3), the fuel tank (40) can be mounted with high rigidity, while the step (68) is provided on the lower surface side of the step (68) provided on the left and right sides within the vertical width of the engine (2). The upper surface of the fuel tank (40) is formed substantially in parallel, the replenishment work of the fuel tank (40) can be performed on the upper surface of the step (68), and the fuel tank (40) is protected by the previous step (68).
The fuel tank (40) can be enlarged while the hood (9) is reduced in size.

Further, as shown in FIG. 7, a muffler (41) is attached to the right body frame (3) via a mounting table (78), and the muffler (41) is attached to the engine (2) via an exhaust pipe (79). A heat-insulating cover (8) is connected to the exhaust pipe and the exhaust pipe (79) is installed inside.
0) is mounted on the engine (2), and the cover (80) prevents the exhaust heat from diffusing into the bonnet (9).

FIGS. 8 and 9 show a modification of FIG. 7. As shown in FIG. 8, the fuel supply port (75) of the fuel tank (40) extends to the outside of the machine in the previous step (68). Let it go out, and put the oiling cap (74) on the outside of the previous step (68).
As shown in FIG. 9, the fuel supply port (75) of the fuel tank (40) extends to the inside of the hood (9) inside the machine in the previous step (68), so that the fuel tank (40) extends below the inside of the bonnet (9). A refueling cap (74) can also be provided. A portable refueling tank (not shown) is placed on the upper surface of the front step (68), and the refueling cap (74) inside the front step (68) or inside the bonnet (9) is provided. Can be refueled.

Further, as shown in FIG. 10, a bottom plate (81) for closing a gap between the previous step (68) and the seedling support (69) (70) is detachably attached to the support (69) (70). A rectangular spare fertilizer stand frame (82) is foldably attached to the columns (69) and (70), and the column (6)
While the frame (82) is locked and stored in the hook (83) of 9), the frame (82) is protruded substantially horizontally above the front step (68), so that the front step (6).
8) and the fertilizer bag (84) placed on the bottom plate (81) is supported by the frame (82), or the empty seedling box (85) after use of the seedlings on the spare seedling mounting table (10) is placed in the frame (82). 82), the fertilizer hopper capacity of the mid-mount type fertilizer applicator (36) is reduced so that seedling splicing work can be easily performed. By mounting the fertilizer bag (84), the fertilizer can be easily replenished to the hopper, and the weight, weight and weight of the fertilizer bag (84) can be prevented from losing the balance of the body, and the frame (82) can be folded. This allows the previous step (68) to be used without inconvenience as a path.

[0018]

As is apparent from the above embodiments, the present invention relates to a mobile agricultural machine having a step (68) for an operator to board, and the step (68) is performed at the refueling work port (7).
6) is provided, and a fuel tank (4) is provided in the refueling port (76).
The fuel tank (40) can be refueled from the refueling work port (76) of the step (68) through the refueling port (75) for mounting the refueling cap (74). For example, the refueling cap (74) can be opened and closed and protected by the step (68), or a refueling operation can be performed by mounting a portable refueling tank in the step (68).

[Brief description of the drawings]

FIG. 1 is a plan view of an engine unit.

FIG. 2 is a side view of the riding rice transplanter.

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 side view of FIG. 1;

FIG. 7 is a rear view of the same part.

FIG. 8 is a rear view showing a modification of FIG. 7;

FIG. 9 is a rear view of the same.

FIG. 10 is an explanatory diagram for placing a spare fertilizer bag.

[Explanation of symbols]

 (40) Fuel tank (68) Previous step (74) Refueling cap (76) Refueling port

Claims (1)

[Claims] 1. A mobile agricultural machine having a step for an operator to board, wherein a refueling operation port is provided in the step, and a refueling cap of a fuel tank is provided opposite the refueling operation port.