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Rotary cultivator

A technology of rotary tiller and cutter shaft, applied in the field of rotary tiller

Inactive Publication Date: 2016-03-23
ZHEJIANG SIXI AGRI MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, it is mainly human beings who operate the rotary tiller, and misoperation is inevitable.
In this way, how to ensure that the operator can only operate the rotary tiller according to the correct process, so as to avoid unnecessary losses caused by misoperation has become an urgent problem to be solved at present.

Method used

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Examples

Experimental program
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Embodiment Construction

[0010] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings. like figure 1 Rotary tiller shown. The rotary tiller includes a cutter shaft (1), on which a guide block (1a) protruding from the outer surface of the cutter shaft 1 is provided. The cross-sectional shape of the guide block 1a is rectangular, and its extension direction is parallel to the knife In the axial direction of the shaft 1, a fan 3 is sleeved on the outside of the cutter shaft 1. The fan 3 includes a fixed ring 3a. Fan blades are fixed on the outer surface of the fixed ring 3a. The center of the fixed ring 3a is provided with a The circular hole, the diameter of the circular hole matches the diameter of the shaft section of the fan 3 on the cutter shaft 1, and the guide groove 3b in the direction of the parallel axis is also opened on the fixed ring 3a, and the guide groove The cross-sectional shape of 3b is rectangular,...

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PUM

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Abstract

The invention discloses a rotary cultivator. A fan (3) which sleeves a cutter shaft (1) and rotates with the cutter shaft (1) is used for automatically measuring revolving speed of the cutter shaft (1). Along with rotation of the fan (3), generated wind power pushes the fan (3) to move and compress a return spring (2), and when the revolving speed reaches a rated value, the fan (3) moves to a limiting position to touch a switch so as to unlock a lifting device. After the cutter shaft (1) gradually stops running, the fan (3) returns to the original position under the effect of the return spring (2) and does not touch the switch (4) again, so that the lifting device returns to be in a locking state. Therefore, the circumstance that after being inserted into soil, a blade is combined with a power output shaft, and then is bent or broken to cause unnecessary loss can be avoided effectively.

Description

technical field [0001] The invention relates to the field of tillage machinery, in particular to a rotary tiller. Background technique [0002] A rotary tiller is one. A driven soil tillage machine with rotating cutter teeth as the working part, also known as a rotary tiller. Because of its strong soil crushing ability, one operation can make the soil finely crushed, the soil and fertilizer can be mixed evenly, and the ground can be leveled, which can meet the requirements of dry land sowing or paddy field planting, which is conducive to gaining farming time, improving work efficiency, and making full use of the power of tractors, etc. Advantages, so it is widely used in soil cultivation operations. The use requirements of the rotary tiller, at the beginning of the operation, the rotary tiller should be in the lifting state, first combined with the power output shaft, so that the cutter shaft speed increases to the rated speed, and then lower the rotary tiller, so that the...

Claims

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Application Information

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IPC IPC(8): A01B33/06A01B33/12
CPCA01B33/06A01B33/12
Inventor 叶一舟叶建华翁晓华
Owner ZHEJIANG SIXI AGRI MACHINERY CO LTD