Walking type paddy field working machine
A working machine and paddy field technology, applied in agriculture, transplanting machinery, applications, etc., can solve the problems of increasing the number of parts, weight and cost, etc., and achieve the effect of easy oil supply, effective lubrication, and efficient closing operation
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no. 1 Embodiment approach
[0068] Fig. 1 shows an overall side view of a walking type rice transplanter, and Fig. 2 shows an overall plan view thereof. This walk-type rice transplanter is equipped with four planting-standard seedling planting devices on the rear of a traveling body (equivalent to a body) 2 constituted by driving the wheels 1 as propulsive wheels and simultaneously walking and following the operator from the rear of the body. And the basic structure of control handle 4 (manipulation part A), the front and back intermediate part of traveling body 2 is equipped with the seedling-carrying platform 12 of preparation rice shoot.
[0069] At the left and right center of the above-mentioned traveling body 2, a hollow cylindrical main frame 5 doubled as a transmission box is equipped with a front-to-back direction, and a gearbox 6 is connected to the front end of the main frame 5. 7 is equipped with an engine 8 connected to the transverse axis. The output from the engine 8 as a power source is ...
no. 2 Embodiment approach
[0140] 31 and 32 show a second embodiment of the present invention.
[0141] As shown in these figures, it can also be implemented with the following structure: on both ends of the base end support shaft 67 of the above-mentioned seedling strut 66, bend and extend an inverted U-shaped support portion 67b, and insert the support portion 67b from above into the In the upper and lower support protrusions 90a, 90b formed on the connection bracket 54, the stopper 91 made of a spring wire that is bolted to the connection bracket 54 is selectively snapped into the support portion 67b. In a plurality of supporting holes 92, the height position of the seedling strut 66 can be adjusted in multiple stages. In this case, the stopper 91 can be easily elastically deformed by hooking it with a finger, and can be pulled out from the support hole 92 .
[0142] Since other structures are the same as those of the first embodiment, they are given the same reference numerals and detailed descript...
no. 3 Embodiment approach
[0144] In the third embodiment shown in FIGS. 33 and 34 , the manipulation unit A is different from the first embodiment in the following points.
[0145] In this embodiment, the joystick 4 includes a base side handle bar 4a made of a square steel tube material extending from both ends of the center drive case 17 to the rear and upper side of the traveling body, and a base side handle bar 4a fixed to the pair of left and right base side handle bars. On the extended end of 4a and equipped with a pair of left and right grips 4c, the front end side handle bar 4b made of circular steel pipe material and the inverted U-shaped handle bar 4b connected across the left and right front end side handle bars 4b, 4b Connecting rod 4d. The above-mentioned connecting rod 4d is easier to hold than the grip portion 4c, and if used for long-time work, there is less fatigue and it is relatively easy.
[0146] Since other structures are the same as those of the first embodiment, they are given t...
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