JPS5817071B2 - Walking rice transplanter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is a walking type aircraft, which is equipped with running wheels, has an engine at the front, a control bundle at the rear, and has a float extending rearward on the side of the running wheels. Regarding rice transplanters.

Conventionally, in this walk-behind rice transplanter, the bundle is fixed to the machine body, so when turning or crossing a ridge, the operator has to lift the bundle up a large distance. Turning operations must be performed while maintaining the attitude, and when the aircraft is shaken up and down significantly, such as when going over a ridge, the operator's attitude must be changed significantly to match the bundle position.

In this way, being able to change the bundle position significantly up and down, or changing the bundle position greatly, not only makes maneuvering difficult but also causes fatigue.

In view of these circumstances, it is an object of the present invention to maintain the handle of the bundle at the height that is most convenient for the operator to control, and to prevent operations that involve forced swinging of the aircraft when turning or large swinging of the aircraft. The purpose of this invention is to provide a walking-type mobile agricultural machine that makes it possible.

The characteristic configuration of the present invention is that in the above-mentioned walking rice transplanter,
A fluid pressure drive mechanism is provided in which the bundle is displaceably mounted relative to the aircraft body so that the grip portion of the bundle is displaced near and far with respect to the ground, and the bundle is moved in a direction in which the grip portion approaches the ground. Further, an operating section for operating the fluid pressure drive mechanism is provided near the grip section.

The effects of the characteristic configuration of the present invention are as follows.

In other words, in order to make it easier to turn the aircraft, when swinging the aircraft up and down, the handle of the bundle is maintained at a position where it is easiest for the operator to support it without lifting it, and the handle is placed near the handle of the bundle. All you have to do is operate the operating part of the fluid pressure drive mechanism, and as a result, you can perform turning operations while lifting and supporting the aircraft in a comfortable working position, making turning operations easier and with less fatigue. I can do it.

In addition, even when the aircraft's angle to the ground changes significantly, such as when going over a ridge, the fluid pressure 1 drive mechanism can be operated to maintain the bundle grip in a position that is easy for the operator to operate. It becomes possible to make it easier and reduce fatigue.

In addition, the bundle can be adjusted to suit the physique of the operator.
Since the work can be done while driving while actually applying reaction force to the bundle, it is possible to position the handle of the bundle at the optimal height according to the actual situation, compared to adjusting it solely according to the body physique. Therefore, an extremely easy-to-manoeuvre condition can be achieved reliably and easily, and this also makes it possible to make maneuverability easier and reduce fatigue, and as a whole, an extremely useful walking-type rice transplanter has been obtained.

Next, embodiments of the present invention will be described in detail based on the drawings.

Fig. 1 shows a walk-behind rice transplanter, in order from the front to the rear of the machine frame 1 are an engine 2, a transmission case 4 with a hydraulic pump 3, running wheels 5, a transmission case 6 for planting, and a planting device 7. , and a control bundle 8 are arranged, and for the planting, a seedling stand 9 inclined upward and forward is provided on the upper part of the mission case 6, and a long float 10° 10 This is provided.

The two aircraft bodies are arranged side by side with wheels 5 sandwiched between them from both sides.
The book frames 1, 1 are constructed such that the rear end of the frame 1.1 is connected to the front end of a transmission case 6.

The planting mission case 6 is a feed case 6A equipped with a screw shaft (not shown) for reciprocating the seedling platform 9 from side to side.
and a planting case 6B extending rearward from the center in the left and right width direction of the feed case 6A.

The base end of the bundle 8 is fitted onto a cylindrical body 13, and the cylindrical body 13 is attached to the frame 1 supported by brackets a provided on both left and right sides of the feed case 6A.
Connected to 3A.

A hydraulic cylinder 11 is interposed between the planting case 6B and the bundle 8, and a fluid pressure drive mechanism that uses the hydraulic pump 3 and the hydraulic cylinder 11 to vertically position the grip portion G of the bundle 8. It consists of:

An operating lever 12, which is an example of an operating section for operating the control valve of the hydraulic cylinder 11, is provided on the grip part G of the bundle 8, so that the vertical position of the grip part G can be controlled at hand.

In other words, when lifting the rear part of the aircraft in order to reduce mud surface resistance when turning, as shown in Fig. 3A, the hydraulic cylinder 11 can be retracted without changing the vertical position of the bundle 8 grip G. Preferably, the operator can turn the bundle 8 by operating the bundle 8 at the height that is most convenient for him or her to hold.

Conversely, when the aircraft 1 swings back and forth significantly, such as when going over a ridge, if the rear of the aircraft 1 rises, the hydraulic cylinder 1
1 is retracted, and when the rear part of the machine body 1 is lowered, the hydraulic cylinder 11 is extended, and the grip part G of the bundle 8 can always be maintained in a position where it is easy to hold.

Furthermore, when changing the height of the grip part G of the bundle 8 above the ground, the height of the bundle 8 can be adjusted by 1/1 degree by extending or contracting the hydraulic cylinder 11 without rocking the body 1, as shown in the opening in Figure 3. It is also possible to change the height of the grip G by changing the posture by swinging the bundle 8).

[Brief explanation of the drawing]

The drawings show an embodiment of the walking rice transplanter according to the present invention, and the first
Figure 2 is a side view showing the entire rice transplanter, Figure 2 is a rear view showing the structure of the bundle attachment, and Figure 3 A is a simplified side view showing the state of use. 1... Aircraft, 8... Bundle, 3,1
1...Fluid pressure drive mechanism, G...Grip portion.

Claims (1)

[Claims] 1 An engine 2 is installed at the front of the fuselage 1, which is equipped with running wheels 5.
, in a walk-behind rice transplanter in which a control bundle 8 is provided at the rear and a float 10 is extended rearward on the lateral side of the running wheels 5, the grip portion G of the bundle 8 is displaced far and near with respect to the ground. The bundle 8 is preferably mounted so as to be relatively displaceable with respect to the fuselage 1 side, and is equipped with fluid pressure drive mechanisms 3 and 11 that move the bundle in a direction in which the grip portion G approaches the ground. Drive mechanism 3.
A walk-behind rice transplanter characterized in that an operation part 12 for operating the rice transplanter 11 is provided near the grip part G.