JPH0353891B2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a single-wheel rice transplanting device.

Conventionally known rice transplanting devices include a four-wheel riding type, a two-wheel walking type, a single-wheel walking type, and other types, and in the four-wheel riding type and the two-wheel walking type, the phenomenon of the machine tipping over in the left and right direction almost never occurs. However, in the single-wheel walking type, since it had only one wheel, if the handle was not held securely, it would sometimes flip to the left or right.

In particular, when planting while moving forward, even if the aircraft is relatively stable, when making a U-turn at the end, the aircraft will inevitably tilt, so it will be difficult to support the aircraft unless it is supported very strongly. It will be recreated.

Therefore, the present invention is designed to prevent the above-mentioned one-wheeled rice transplanting device from tipping over when turning, etc. In the walking-type one-wheeled rice transplanting device, which has one wheel, the left and right sides of the wheel are A single-wheel rice transplanter, which is provided with a side float, the side float is formed to be able to move up and down, and at least one of the side floats is provided with a stopper at a desired position to prevent it from moving upward beyond a limit;
And, side floats are provided on both left and right sides of the wheel of a walking type single-wheeled rice transplanting device having one wheel, and the side floats are formed to be movable up and down, and both the left and right do not move up beyond a limit. A single-wheel rice transplanting device provided with a stopper at a desired position, and the stopper,
A one-wheel rice transplanter whose mounting position can be adjusted freely, and a one-wheel rice transplanter in which the stopper is formed to operate in conjunction with a turning operation of a planting clutch, etc. The gist of this is a single-wheel rice transplanting device in which the stopper moves up and down in conjunction with the up-and-down movement.

To explain with the drawings, FIG. 1 is a plan view of the first embodiment, in which 1 is a fuselage body, and an engine 2 is provided at the front end of the fuselage body 1. 3 is the mission case;
The front end of a transmission case 4 is fixed to the transmission case 3, an axle 5 is projected from the rear end of the transmission case 4, and one wheel 6 is attached to the axle 5. The body 1 extends rearward on both sides of wheels 6, and a planting device 7 and a seedling tank 8 are provided at the rear end. 9 is a transmission case. Reference numeral 10 denotes a pair of left and right control handles, which are attached to the rear end of the aircraft body 1. 1
Reference numerals 1 and 12 denote left and right side floats, which are provided with protrusions 13 and 13 that protrude upward slightly closer to the rear than the middle of the side floats 11 and 12.
3 and 13 are fixed to the body 1 by a shaft 14.
The lower ends of float links 15 and 16 are fixed to the front ends of side floats 11 and 12 by shafts 17 and 18, respectively. The float links 15 and 16 have vertically elongated holes 19 into which pins 20 and 21 protruding from the body 1 are inserted. Stoppers 22 and 23 are provided above the front ends of the side floats 11 and 12. Stopper 22,
23 is pivotally attached to the body 1 by shafts 24 and 25. The lower ends of 26 and 27 are connected to the stopper 2.
2 and 23 respectively, the upper ends of which are connected to the engagement holes 30 and 29 of the operation panels 28 and 29, respectively.
31, respectively.

In the embodiment shown in FIG. 3, the positions of the stoppers 22 and 23 are automatically adjusted in relation to the vertical movement of the wheel 6, and the front end of the transmission case 4 is pivoted to the transmission case 3 for vertical movement. 32, the lower end of a link 33 standing upward is pivotally attached to the rear end of the transmission case 4, a protrusion 34 is provided at the rear end of the body 1, and a rectangular rotating arm 35 is pivoted on the protrusion 34. Arrival 3
6, one end of the L-shaped rotating arm 35 and the upper end of the link 33 are pivoted 37, and the rotating arm 3
A pin 39 protruding from the movable threaded cylinder 38 is engaged with the tip of the other lever of the lever 5, and a rotary screw 40, which is only free to rotate with respect to the body 1, is screwed into the movable threaded cylinder 38. Further, a protrusion 41 is provided at the upper part of the front end of the transmission case 4, the lower end of a rod 42 is pivoted to the protrusion 41, the upper end of the rod 42 is pivoted to one end of an L-shaped link 43, and the left and right sides are pivoted. float 11, 12
The stoppers 22, 23 located above the float links 15, 16 provided at the front ends of the L-shaped link 43 are connected with a rod.

Reference numeral 45 is a planting clutch lever, and when squeezed, the planting clutch is disengaged.Although not shown in the drawing, the planting clutch lever 45 is connected to the stoppers 22 and 23. Then, when the planting clutch lever 45 is squeezed, the stoppers 22 and 23 move to the side floats 11 and 23, respectively.
It may also be configured to face a position above 12.

Since the present invention is as described above, in the first embodiment, the operating levers 26, 27 are provided, and the operating panel 28,
29, and adjust the height of the stoppers 22, 23 to the desired height, enter the field and drive, the engine 2 will move the wheels 6.
It rotates and moves forward, and the seedlings in the seedling tank 8 are planted using the planting devices 7, 7. However, when making a U-turn at the final point, the aircraft body 1 is tilted to one side, but in the present invention, one of the side floats 11 and 12 moves upward about the shaft 14 and touches the stopper 22 or 23. It does not touch and move upwards beyond the limit. Therefore, the fuselage 1 is supported by the side floats 11 or 12 and does not fall over. In the embodiment of FIG. 3, the rotating screw 4
0 and moves the movable screw cylinder 38 forward or backward, the rectangular rotating arm 35 rotates back and forth around the shaft attachment 36, and then transmits power via the link 33. The case 4 is moved up and down, the transmission case 4 is moved up and down around the shaft attachment 32, and the position of the wheel 6 is moved up and down. Then, the rod 42 attached to the front end of the transmission case 4 moves up and down.
The stoppers 22, 23 are automatically adjusted up and down via an L-shaped link 43 and a rod 44. Therefore, when the paddy field is deep, the stoppers 22, 23 automatically become high, and conversely, when the paddy field is shallow, the stoppers 22, 23 automatically become low. When moving forward in this state, the front ends of the side floats 11 and 12 move up and down, causing the float link 15,
When the machine body 16 moves upward, it collides with the stoppers 22 and 23 to prevent the machine body 1 from moving upward beyond the limit, thereby preventing the machine body 1 from overturning.

As already mentioned, conventionally known rice transplanting devices include four-wheel riding type, two-wheel walking type, single-wheel walking type, and other types. This phenomenon rarely occurs, but in the case of a single-wheeled aircraft, since it has only one wheel, if you do not hold the handle firmly, when making a U-turn at the terminal point, the aircraft will inevitably tilt, causing it to turn around. Ta.

Therefore, the present invention provides a walking type single-wheeled rice transplanting device having one wheel, in which side floats are provided on both left and right sides of the wheel, and the side floats are formed to be movable up and down, and at least one side float is provided on the left and right sides of the wheel. A single-wheel rice transplanter is equipped with a stopper at a desired position to prevent the float from moving upwards above the limit, and a walk-behind single-wheel rice transplanter has one wheel, with side floats installed on both the left and right sides of the wheel. , a single-wheel rice transplanter in which the side float is formed to be movable up and down, and stoppers are provided on both the left and right sides at desired positions so as not to move upward beyond a limit; and the stoppers are adjustable in mounting position. The one-wheel rice transplanting device is configured such that the stopper operates in conjunction with the turning operation of a planting clutch, and the one-wheel rice transplanting device is configured such that the stopper operates in conjunction with the turning operation of a planting clutch, and when the wheel moves up and down depending on the depth of the paddy field, the stopper The gist is the configuration of a single-wheel rice transplanter that moves up and down in conjunction with each other, so even if the machine 1 is tilted to make a U-turn at the end point, either the left or right side floats 11, 12 will not move. , collides with the stoppers 22 and 23 to stop upward movement beyond the limit and prevent the robot from falling over. In addition, the operating levers 26, 27
By holding the handle and moving it within the engagement holes 30, 31 of the operation panels 28, 29 and adjusting the height of the stoppers 22, 23 to the desired height, even if there are deep or shallow areas in the paddy field, the sides can be reliably moved. Either one of the floats 11 and 12 moves upward, and the side floats 11 and 1
The top surface of 2 contacts the stoppers 22 and 23 and does not fall down. Further, in the embodiment shown in FIG. 3, by rotating the rotary screw 40, the transmission case 4 is moved up and down, and the position of the wheel 6 is moved up and down.
2. Automatically move the stoppers 22 and 23 up and down via the L-shaped link 43 and rod 44,
The stoppers 22 and 23 are automatically moved up and down according to the depth of the paddy field, and have the effect of operating accurately.

[Brief explanation of drawings]

Fig. 1 is a plan view of the first embodiment, Fig. 2 is a side view of the first embodiment, Fig. 3 is a side view of the second embodiment, Fig. 4 is a plan view of the second embodiment, and Fig. 5 is a plan view of the second embodiment. The figure shows the state before the side float is raised, and FIG. 6 shows the state when the side float is raised. Explanation of codes, Aircraft...1, Engine...2, Mission case...3, Transmission case...4, Axle...5, Wheels...6, Planting device...7, Seedling tank...8, Rear fuselage...9, control handle...1
0, Side float...11,12, Protrusion...1
3, Axis...14, Float link...15,1
6, Shaft...17, 18, Long hole...19, Pin...
20, 21, stopper... 22, 23, shaft...
24, 25, Operation lever...26, 27, Operation panel...28, Operation panel...29, Engagement hole...30,3
1, Pivot attachment...32, Link...33, Protrusion...3
4. L-shaped rotating arm...35, Pivot mounting...36,
Shaft attachment...37, Moving screw tube...38, Pin...3
9. Rotating screw...40, Protrusion...41, Rod...
...42, L-shaped link...43, Rod...44,
Planting clutch lever...45.

Claims (1)

[Scope of Claims] 1. In a walking-type single-wheeled rice transplanting device having one wheel, side floats are provided on both left and right sides of the wheel, and the side floats are formed to be movable up and down, and at least one of the side floats is formed to be movable up and down. The side float is a single-wheel rice transplanter with a stopper at the desired position to prevent it from moving upwards beyond the limit. 2 Side floats are provided on both the left and right sides of the wheel of a walk-behind single-wheeled rice transplanting device that has one wheel, and the side floats are formed to be able to move up and down, and are designed so that both the left and right sides do not move up beyond their limits. A single-wheel rice transplanter with stoppers installed at desired positions. 3 Side floats are provided on both left and right sides of the wheel of a walk-behind single-wheeled rice transplanting device that has one wheel, and the side floats are formed to be movable up and down, and at least one of the side floats is designed to A one-wheel type rice transplanter, in which a stopper is provided at a desired position to prevent upward movement of the rice transplanter, and the stopper is adjustable in its mounting position. 4 Side floats are provided on both left and right sides of the wheel of a walk-behind single-wheeled rice transplanting device having one wheel, and the side floats are formed to be movable up and down, and at least one of the side floats is designed to A one-wheel type rice transplanting device in which a stopper is provided at a desired position to prevent the rice from moving upward, and the stopper is formed to act on a side float in conjunction with a turning operation of a planting clutch or the like. 5 Side floats are provided on both left and right sides of the wheel of a walk-behind single-wheeled rice transplanting device that has one wheel, and the side floats are formed to be able to move up and down, and at least one of the side floats has a A one-wheel rice transplanter, which is provided with a stopper at a desired position to prevent the wheel from moving upward, and when the wheel is adjusted up and down according to the depth of the paddy field, the stopper moves up and down in conjunction with the above-mentioned wheel. .