A fitting curve type subsoiling shovel handle

A technology of curve fitting and subsoiling shovel, applied in agriculture, application, plough and other directions, can solve the problem of large disturbance of surface soil of subsoiling shovel tillage resistance, and achieve the effect of reducing tillage resistance and disturbance of topsoil

Active Publication Date: 2022-03-22
NORTHEAST AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to design a fitting curve-type subsoiling shovel handle through simulation analysis and optimization design, so as to solve the problem of excessive plowing resistance and surface soil disturbance of the subsoiling shovel during the subsoiling operation process

Method used

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  • A fitting curve type subsoiling shovel handle
  • A fitting curve type subsoiling shovel handle

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Embodiment Construction

[0014] The invention will be further described below in conjunction with the accompanying drawings and embodiments. A fitting curve type subsoiling shovel handle is composed of three parts: the connecting section (L) between the shovel handle and the frame, the working section (II) of the shovel handle, and the connecting section (S) between the shovel handle and the shovel tip. The connecting section (L) between the shovel handle and the frame has 6 pits (I) with a diameter of 12mm; the working section (OR, MN) of the shovel handle and the connecting section (L) of the shovel handle and the frame adopt a circular arc transition Connection, blade (OR, FG) quenching treatment, the main function of the fitting curve QR is to bear the upturning of the plow bottom soil farrowing, the main function of the curve PQ is the crushing of the soil farrowing, and the function of the curve OP is to make the soil farrowing again Crush and reduce surface soil disturbance; the tangential tran...

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Abstract

A fitting curve type subsoiling shovel handle belongs to the field of agricultural machinery farming. The purpose of the present invention is to design a fitting curve type subsoiling shovel handle which can significantly reduce tillage resistance and surface soil disturbance through simulation analysis and optimization design. The invention is composed of a connection section (L) between the shovel handle and the frame, a working section (II) of the shovel handle, and a connection section (S) between the shovel handle and the shovel tip. It is characterized in that the OP, PQ, and QR sections of the cutting edge curves of the shovel handle are respectively obtained by the following three-section fitting curve equations: y=‑0.3845x 4 -700.4x 3 ‑4.785×10 10 x 2 ‑1.453×10 8 x‑1.654×10 10 ;y=8.951×10 ‑5 x 5 -0.02656x 4 +3.148x 3 ‑186.2x 2 +5496x‑6.52×10 4 ;y=1.702×10 ‑7 x 7 +1.718×10 ‑5 x 6 +7.024×10 ‑5 x 5 +0.01474x 4 +0.1653x 3 +0.944x 2 +2.342x‑442.6 The inner alignment (FG) of the working section of the shovel handle and the outer alignment (MN) of the working section of the shovel handle are consistent with the cutting edge curve, and the height of OR and MN is H 0 . In addition, the selection of cutting edge angle (α), soil entry angle (W) and edge shape line (BC, CD) can effectively reduce tillage resistance and surface soil disturbance, and meet the requirements of conservation tillage.

Description

[0001] Technical field [0002] The invention belongs to the technical field of agricultural machinery, and in particular relates to a fitting curve type subsoiling shovel handle. Background technique [0003] Subsoiling is one of the core technologies of conservation tillage. After subsoiling the soil, it can break the hard plow layer, improve water use efficiency, reduce soil erosion, enhance water and soil conservation capacity, improve the growth environment of crop roots, and benefit the growth and development of crop roots. , thus greatly increasing the yield of root crops. The subsoiling shovel is a key component of the subsoiling machine. When the existing subsoiling shovel is used for subsoiling operations, there are often problems such as excessive tillage resistance and excessive disturbance of the surface soil of the cultivated land after subsoiling. Therefore, through the reasonable design and optimization of the structure of the subsoiler shovel, it is of great ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B13/08
CPCA01B13/08
Inventor 赵淑红王加一陈君执杨悦乾谭贺文刘宏俊
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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