JPH0488908A - Riding-type transplantation machine - Google Patents

Abstract

PURPOSE:To achieve good visibility of a row-alignment marker and improved stability and weight-reduction of a transplantation machine by attaching row- alignment markers to both right and left sides of a car body in front of a driver's seat and placing a reserve seedling holding frame in front of a steering wheel and nearly the middle part of the body. CONSTITUTION:A steering wheel 15 is positioned at the front part of a car body 1 and a seat 9 is placed behind the wheel. Row-alignment markers 43 are attached to both right and left sides of the body in front of the seat. A heavy frame 44 for holding reserve seedlings is placed at nearly the lateral center of the body in front of a steering shaft 15.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to a riding-type rice transplanter.

[Prior art]

Conventionally, in a riding-type rice transplanter in which a handle is installed upright on the front side of the traveling vehicle body to which a seedling planting work machine is connected to the rear side, and a seat is arranged behind the handle, a riding-type rice transplanter is provided with a seat. There was a chance.

[Problem to be solved by the invention]

In conventional rice transplanters, in order to prevent the spare seedling loading frame from getting in the way of the operator moving on the step floor,
It is arranged so as to protrude outward. However, this had the drawback of increasing the width of the aircraft from side to side. As mentioned above, there was a problem in securing space on the step floor while maintaining the downsizing of the aircraft and securing space for storing seedling boxes for supply.

[Means to solve the problem]

In order to solve the above-mentioned problems, the present invention provides a step floor 8 on a traveling vehicle body 1 to which a seedling planting machine 2 is connected to the rear side, a seat 9 on the step floor 8, and a seat 9 on the step floor 8. In a riding type rice transplanter having a handle 15 erected in front of the seedling box fixing part 44.44.
The riding type rice transplanter is characterized in that 44° and 44° are provided on the step floor 8 at the left and right side positions of the seat 9 or the handle 15.

【Example】

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the drawings, taking up a riding rice transplanter as an example of a riding agricultural machine. Reference numeral 1 denotes a riding-type traveling vehicle body, to which a seedling transplanting machine 2 is connected via a link 22 to the rear. 3 is an engine, which has front wheels 4.4 and rear wheels 5 in the longitudinal direction.
．． 5, and is mounted on a single frame 7a fixed from the rear end of the mission case 6 toward the rear. 3a is a fuel tank. 1 on the top of this tank 3a
A fuel supply port 3C to which a fuel supply port 3b is detachably attached is open, and a fuel supply port 3d connected to the engine 3 is provided on the lower surface. In addition, near the fuel filler port 3C on the top surface of the tank 3a, as shown in FIGS. 6 and 7, there is a hole 3e that penetrates to the bottom surface and is open on the top surface side (the hole diameter becomes smaller on the bottom side).
is molded. This hole 3e functions as a fuel gauge. That is, if you look into the hole 3e that opens upward, you will see that
The liquid level position of the fuel in the tank 3a can be visually confirmed on the inclined surface of the hole 3e. Furthermore, even if an inclined part 3f is provided at the end of the tank 3a as in the first example, instead of the second hole 3e, the liquid level of the fuel can be read from the upper surface in the same way, and the molding can be made even easier. It becomes easier. Conventionally, the fuel gauge that can be checked from above has been attached to a separate gauge, but as described above, by simply molding a part of the tank 3a, that part can be replaced as a gauge, which is economical. 8 is a step floor. The rear part of the step floor 8 is integrally formed with an engine cover 8a that covers the upper side of the engine 3. A seat 9 is arranged on the engine cover 8a. The floor part that serves as the operator's foothold is the handle 1.
5 and below the seat 9. Further, the output shaft 3t of the engine 3 is directed to the left, and the rotational power of the output shaft 3 is transmitted forward via the belt transmission mechanism 10, and the hydraulic pump fixed to the transmission case 6 Drive. Power is transmitted further forward from the drive shaft 11a of the hydraulic pumper 4 via an auxiliary transmission device 12, which is a belt transmission mechanism capable of variable speed transmission, and rotational power is input to the input shaft 6a of the mission case 1ffll. The power transmitted into the mission case 6 is transmitted to the travel and work equipment system. The sub-transmission device 12 has two pulleys of the same diameter attached to the drive shaft 11a of the hydraulic pump H, and the transmission case 6
Two pulleys, a large diameter pulley and a small diameter pulley, are attached to the input shaft 6a of the input shaft 6a, and a belt is applied to each pulley, and the belt (for low speed transmission) transmits power to the large diameter pulley 12a, and the belt (for low speed transmission) transmits power to the small diameter pulley 12b. It is a mechanism that applies tension to selectively put the belt (for high-speed transmission) into a belt transmission state. This makes it possible to selectively transmit the reduction ratio in two stages, low speed and high speed. Further, the side surface of the sub-transmission device 12 is covered with a cover. The front wheels 4.4 are the lower cases 14 of the front wheel transmission cases 14a and 14b, which are arranged vertically downward on both left and right sides of the rear of the transmission case 6 via extensions.
The shaft is mounted on b. In order to transmit power to the front wheels 4.4, the power input to the transmission case 6 is further decelerated within the transmission, and then transferred to the extension case 1 via the differential.
The power is transmitted to the left and right front wheels 4.4 via the transmission mechanism inside the front wheel transmission cases 14a, 14a, 14b, and 14b. Further, the front wheels 4.4 serve as steering wheels, and the steering operation of the handle 15 is transmitted through the steering shaft 15a, and the upper front wheel transmission case 14a+ is transmitted via the arm 16 and the rod 17.17.
The front wheels 4.4 are connected to two rotatable lower cases 14b, 14b, so that the front wheels 4.4 are steered and rotated in response to the rotation of the handle 15. The rear wheel 5.5 includes a rear wheel gear case 20 at the left and right ends of a rear wheel frame 19, which is rollably attached to a rolling shaft 18 fixed rearward to the center of the horizontal frame 7b at the rear end of the frame 7a; It is mounted on a shaft at 2o. Therefore, the rear wheel 5.5 is configured to be able to roll around the rolling shaft 181R. Transmission to the rear wheels 5.5 occurs after the power inside the mission case 6 is projected rearward from two places on the left and right at the rear end of the mission case 6 via a rear wheel differential device inside the transmission. The power is transmitted to the wheel drive shaft 21.21, and the drive shaft 21.21 and the rear wheel gear case 20.
A rear wheel transmission shaft 22.22 equipped with a universal joint and an expansion joint connects the input shafts 20a, 20a of the input shafts 2o, and power is transmitted to the rear wheels 5.5. 23 is a hydraulic cylinder, and the base side of the cylinder is the engine 3
The lower side of the piston rod is pivotally supported by a bracket fixed to the frame 7a, and the tip of the piston rod is connected to an arm 25 that is integrated with an upper link 24a of a link 24 that connects the traveling vehicle body 1 and the working machine 2. As oil flows into and out of the hydraulic cylinder 23, the piston rod protrudes and retires, the link 24 moves up and down with the traveling vehicle body 11 as a rotational fulcrum, and the working machine moves up and down. The link 24 includes an upper link 24a and a lower link 2.
4b is connected as a link rotation fulcrum to the traveling vehicle system link base 24c fixed to the horizontal frame 7b of the traveling vehicle body 16!1, and the working implement 2 is pivotally supported on the working implement 2 side so that it can roll left and right. A work machine side link base 24d is connected. Reference numeral 25 denotes a work machine transmission shaft, which transmits the rotational power of a PTO shaft protruding rearward from the right side of the mission case 6 to the drive shaft of the work machine 2 via a universal joint and an expansion joint. Reference numeral 26 denotes a seedling stand, which is mounted so as to be slidable left and right on a rail fixed to the planting section transmission case 27, with the front side tilted upward and the rear side positioned downward. The seedling platform 26 reciprocates left and right by a left-right reciprocating mechanism in the transmission case 27, and supplies seedlings one by one to the planting device 28 in accordance with the planting cycle. The planting device 28... is attached to the rear side of two planting transmission frames 29 and 29 extending rearward from the left and right ends of the planting section transmission case 26, respectively, in two rows on both the left and right sides. 4 rows are installed. For planting each row, the power of the transmission case 26 is transmitted via a chain transmission mechanism in the planting transmission frame 29, 29. Further, the planting device 28 includes a rotating case 30 and two planting tools 31 and 31 attached thereto. A planting claw 31a is attached to each of these two planting tools 31.31.
, 31a are provided, the tips of which move in an elliptical trajectory due to the rotation of the gear train in the case as the rotating case 30 rotates, and seedlings are placed one by one in accordance with the seedling supply from the seedling stand 26. Take them and plant them in the field. Denoted at 32a, 32b, and 32c are soil leveling floats on the left side, center side, and right side, respectively, which are suspended from the lower side of the planting transmission frame 29, 29, and the planting slides while leveling the ground in the field. Reference numeral 33 denotes an operation panel, which is disposed below the handle 15, and the lower side of the panel 33 is covered with a panel cover. 34 is a steering post, which is connected to the steering shaft 12.
is supported. The vicinity of the outer periphery of the post 34 is covered with a post cover 34a, and the width of the cover 34a from left to right and front to back is narrower than the outer diameter of the handle 15. 35 is a clutch pedal, 36a and 36b are rear wheel left and right brake pedals, and 37 is a differential lock pedal. 38 is a main shift lever, 39 is an auxiliary shift lever, and 40 is a hydraulic and planting lever. 41 is a balance weight, and 42 is a battery. 43.43 is a combination marker. Stays 43a, 43a are horizontally rotatably attached to the front, left and right sides of the traveling vehicle body 1, and a marker mounting rod 43b is attached to the tip end of the stay 43a143a so that the left and right and up and down positions can be adjusted.
43b are connected so as to hang down, and the marker attachment rod 4
3b, 43b, the row alignment marker 43 is a spherical member at the lower end.
．． 43 is stuck. This row alignment marker 43.43
The front and back positions of the seat 9 are located as far forward as possible with respect to the aircraft so that the operator sitting in the seat 9 can comfortably drive the aircraft while checking the alignment markers 43 and 43. Now, when traveling for planting work in a paddy field, the row alignment marker 43 should be positioned above the planted rows or ridges adjacent to the running route, and the machine should be driven with the left and right directions aligned. For example, the seedling transplanting machine 2 connected to the rear side is designed to plant seedlings at predetermined row intervals. Connection of marker mounting rods 43b, 43b to stays 43a, 43a in left and right positions! By adjusting this, it becomes possible to plant seedlings at the desired row spacing. Also, when the markers 43.43 come into contact with planted seedlings or ridges, the stays 43 of the marker attachment rods 43b, 43b
This can be done by adjusting the vertical position of the connection to a and 43a. 44. 44 is a seedling box fixing part for placing spare seedlings for supply on the machine body, and one end of the seedling box is engaged with the step floor 8 on the left and right sides of the handle 15, and the seedling box is fixed on the step floor 8. This is the part on which a seedling box can be propped up. Further, 44' and 44' are parts for fixing a part of the seedling box to the step floor 8 on the left and right sides of the seat 9. Also,
This fixed part 44.44.44゛, 44° is near the seat 9,
Further, a step floor 8 is provided near the handle 15. Therefore, even when the seedling box is placed by engaging the fixed part, the operator does not touch the step floor 80, the seat 9, or the handle 1.
50 can be easily passed through both sides. In one embodiment, the seedling box fixing parts 44, 44, 44', 44' are recessed parts integrally provided in the step floor 8, as shown in FIG. By fitting the short end of the seedling box into this recess and leaning it against the post cover 34a on the side of the seat 9 or below the handle 15, a spare seedling box for replenishment can be placed. . 46... is a leaf spring, and the spring presses the bottom of the seedling box fitted into the fixing part 44..., so that the fitting of the seedling box into the recess of the fixing part 44... becomes loose. It will not stick and will be difficult to remove. In addition, although the fixing part 44... is formed in a recessed part here, as shown in the figure, a protruding part 44a that sandwiches the seedling box is formed.
···but

【Effect of the invention】

As described above, the seedling box fixing part 44, which engages one end of the seedling box so that the seedling box for supply can be propped up on the step floor 8, is attached to the seat 9 or the handle 15. Since it is provided on the step floor 8 at the left and right side positions of the step floor 8, it is possible to secure a space for the operator to easily pass over the step floor 8, while also allowing seedlings for supply to be placed on the aircraft without protruding outside the step floor 8. I can do it. Therefore, the aircraft can be made smaller while maintaining comfort for the operator.

[Brief explanation of drawings]

Below is a brief explanation of the drawings. 4! 'l Figure 1: A top view showing the riding-type rice transplanter according to the embodiment. Figure 2: A top view showing the riding-type rice transplanter according to the embodiment. Figure 3: F1 side view showing the main parts of the embodiment. Figure: A top view showing the main parts of one embodiment. Figure 6: A partially sectional side view of a fuel tank. Figure 7: A plan view of a fuel tank. Figure 8: A partially sectional side view of another fuel tank. Figure 9:
The symbols in the side view of another fuel tank will be briefly explained. 1: Riding vehicle body 2: Seedling planting machine 8: Step floor 9: Seat 15: Handle

Claims (1)

[Claims] (1) In a riding type rice transplanter in which a handle 15 is installed upright on the front side of a traveling vehicle body 1 to which a seedling planting machine 2 is connected to the rear side, and a seat 9 is arranged behind the handle 15, the rice transplanter A row alignment marker 43 is attached to both left and right sides of the vehicle body 1 in front of the seat 9, and in front of the handle 15 and at a predetermined interval from the already planted seedlings or ridges on the side. This riding type rice transplanter is characterized in that a spare seedling mounting frame 44 is arranged approximately at the center of the traveling vehicle body 1.