Implanting machine in paddy field

A technology for working machines and paddy fields, applied in agriculture, transplanting machinery, mechanical equipment, etc., can solve the problems of rising cost and complicated structure, and achieve the reduction of cost, the simplification of sealing structure, and the inhibition of length increase. big effect

Inactive Publication Date: 2009-07-29
KUBOTA LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the above-mentioned prior art, since the clutch is provided at the front portion of the hydrostatic continuously variable transmission, when the clutch is a wet multi-plate clutch with good durability, a clutch case with a built-in clutch other than the gearbox is required. Complicated the structure and increased the cost

Method used

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  • Implanting machine in paddy field
  • Implanting machine in paddy field
  • Implanting machine in paddy field

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Embodiment Construction

[0035] Embodiments of the present invention will be described below with reference to drawings showing a rice transplanter as an example of a paddy field working machine.

[0036] This rice transplanter is figure 1 , figure 2 As shown, at the rear portion of a passenger-type self-propelled body 3 having a left and right pair of driving front wheels (equivalent to front wheels) 1 and a left and right pair of driving rear wheels (equivalent to rear wheels) 2, a four-bar linkage 5 is freely connected with a multi-row planting type planting device 4 as an example of a paddy field operation device, and is also provided with a lifting hydraulic cylinder 6 and a fertilization device 7 that utilize an oil cylinder to lift and lower the planting device 4.

[0037] self-propelled body 3 as image 3 , Figure 4 As shown, there is a gearbox 9 that drives the front wheels 1 through the front axle box 8. At the same time, in the body frame that drives the rear wheels 2 through the rear ...

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Abstract

PROBLEM TO BE SOLVED: To compact the size of a torque generator. SOLUTION: A torque generator 43 for the hydraulic power steering is linked to the upper face of the transmission case 9 arranged above the front steering wheel 1, the vertical rotary shaft that is synchronously connected to this torque generator 43 is synchronously linked to the pitman arm shaft 92a. In addition, an intermediate joint 99 that is equipped with the interlocking part that is relatively swingable and torque-transmittably fitted to the swing motion- outputting shaft 43b of the torque generator 43 and with the output unit to the vertical rotary shaft 95 is supported by the transmission case 9 rotatably around the vertical shaft axis P.

Description

[0001] This application is a divisional application of a Chinese patent application with an application date of September 30, 1999, an application number of 99120855.2, and an invention title of "paddy field operation machine". technical field [0002] The invention relates to a paddy field operation machine such as a rice transplanter equipped with a clutch, a hydrostatic stepless transmission device and a gearbox, and in particular relates to a technology with a simple car body structure and good operability. Background technique [0003] In the past, the transmission device of the paddy field working machine is disclosed in the Japanese Patent Application Publication No. 10-54461, which is equipped with a clutch for connecting and disconnecting the engine power and a hydrostatic continuously variable transmission device that receives the output of the clutch. The output of the continuously variable transmission is transmitted to the transmission body. [0004] However, in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/40B62D5/06A01C11/00A01C11/02
Inventor 洼津诚山下真小谷伸介松木直树清水孝式
Owner KUBOTA LTD
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