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GB/T 24675.6-2021: Conservation tillage equipment - Part 6: Smashed straw machine
Status: Valid GB/T 24675.6: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24675.6-2021 | English | 269 |
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Conservation tillage equipment - Part 6: Smashed straw machine
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GB/T 24675.6-2021
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| GB/T 24675.6-2009 | English | 519 |
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Conservation tillage equipment -- Smashed straw machine
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GB/T 24675.6-2009
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Basic data | Standard ID | GB/T 24675.6-2021 (GB/T24675.6-2021) | | Description (Translated English) | Conservation tillage equipment - Part 6: Smashed straw machine | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B91 | | Word Count Estimation | 13,111 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 24675.6-2021: Conservation tillage equipment - Part 6: Smashed straw machine---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Conservation tillage equipment -- Part 6: Smashed straw machine
ICS 65:060:20
CCSB91
National Standards of People's Republic of China
Replacing GB/T 24675:6-2009
Conservation tillage machinery
Part 6: Straw crushing and returning machine
Published on 2021-12-31
2022-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents"
drafted:
This document is part 6 of GB/T 24675 "Conservation tillage machinery": GB/T 24675 has published the following parts:
--- Part 1: Shallow loosening machine;
--- Part 2: Subsoilers;
--- Part 3: Spring tines;
--- Part 4: Disc harrows;
--- Part 5: Stubble crushing and returning machine;
--- Part 6: Straw crushing and returning machines:
This document replaces GB/T 24675:6-2009 "Conservation tillage machinery straw crushing and returning machine": and GB/T 24675:6-2009
In contrast, except for structural adjustments and editorial changes, the main technical changes are as follows:
a) The model representation method has been changed (see Chapter 4, Chapter 3 of the:2009 edition);
b) Modified the straw throwing uniformity index (see Table 1, 4:1 of the:2009 edition);
c) Changed the blade reliability requirements (see Table 2, 4:2 of the:2009 edition);
d) delete the general technical requirements (see 5:1 of the:2009 edition);
e) Deleted the material requirements for the gearbox body (see 5:2:1 of the:2009 edition);
f) Deleted gear material and heat treatment requirements (see 5:2:2 of the:2009 edition);
g) Delete the material and balance requirements of pulleys (see 5:2:3 of the:2009 edition);
h) Added the requirements for outsourcing parts (see 6:1:1);
i) The requirements for the folding frame of the wide straw crushing and returning machine are added (see 6:1:7);
j) Added new material and new technology of crushing blade (see 6:1:5);
k) Changed the safety technical requirements (see Chapter 7);
l) The safety requirements for the folding parts of the wide straw crushing and returning machine are added (see 7:6);
m) Changed the method for determining work performance (see 8:3:1~8:3:5, 7:2:1~7:2:6 of the:2009 edition);
n) Increased reliability assessment time (see 8:3:6, 7:2:6 of the:2009 edition);
o) The method for determining the adhesion of paint film is added (see 8:4:7);
p) Added the material inspection requirements for key parts and components (see 8:5:3):
Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Machinery Industry Federation:
This document is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC201):
This document is drafted by: China Academy of Agricultural Mechanization, Zoomlion Zhejiang Co:, Ltd:, Heilongjiang Fufeng Machinery Manufacturing Co:, Ltd:
Co:, Ltd:, Mudanjiang Agricultural Mechanization Research Institute of Heilongjiang Provincial Agricultural Machinery Engineering Science Research Institute, Shanxi Provincial Agricultural Machinery Quality Supervision and Management
Station, National Agricultural Machinery Quality Supervision and Inspection Center:
The main drafters of this document: Yang Zhaowen, Chen Peimin, Liu Maoyu, Xu Feng, He Weimiao, Xingli, Chai Xiangyang, Lu Shusheng:
The previous versions of this document and its superseded documents are as follows:
---First published in:2009 as GB/T 24675:6-2009;
---This is the first revision:
Introduction
The core content of conservation tillage is to implement no-tillage or less tillage, reduce the intensity and frequency of tillage on the soil as much as possible, and use the residues of crop residues:
Stubble mulch protects the surface, and at the same time supports the corresponding agronomic cultivation techniques to protect the output capacity of the natural function of the soil: for reforming traditional agricultural
agricultural production methods, improve drought resistance, increase farmers' income, reduce straw burning, improve ecological environment, promote sustainable agricultural development, and protect land resources
It has important strategic significance and far-reaching historical significance: It has been widely promoted in my country, and the realization of conservation tillage is inseparable from the
The technical support of agronomic agricultural equipment requires the cooperation of agricultural equipment with different operating conditions and performance: Therefore, according to different types of operations
Formation of the conservation tillage standard system:
GB/T 24675 consists of the following parts:
--- Part 1: Shallow loosening machine;
--- Part 2: Subsoilers;
--- Part 3: Spring tines;
--- Part 4: Disc harrows;
--- Part 5: Stubble crushing and returning machine;
--- Part 6: Straw crushing and returning machines:
This document is part 6 of GB/T 24675, which is aimed at the special situation that a large amount of straw is left on the land after conservation tillage and affects no-tillage sowing:
In this paper, the technical requirements and test evaluation methods of straw crushing and returning machines for conservation tillage are completely given, which is helpful for the manufacture and application of straw crushing and returning machines:
Product upgrades provide a standard basis:
Conservation tillage machinery
Part 6: Straw crushing and returning machine
1 Scope
This document specifies the model preparation, evaluation indicators,
Technical requirements, safety requirements, test methods, inspection rules and signs, packaging, transportation and storage:
This document is applicable to straw crushing and returning machines mainly for crushing corn, wheat, rice, sorghum, cotton and other crop straws:
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document:
GB/T 699 High Quality Carbon Structural Steel
GB/T 2828:1 Counting Sampling Inspection Procedure Part 1: Lot-by-Lot Inspection Sampling Plan Retrieved by Acceptance Quality Limit (AQL)
GB/T 3077-2015 Alloy Structural Steel
GB/T 3098:1-2010 Mechanical properties of fasteners Bolts, screws and studs
GB/T 3098:2-2015 Fasteners Mechanical Properties Nuts
GB/T 5667 Agricultural Machinery Production Test Method
GB/T 9239:1-2006 Mechanical vibration constant state (rigid) rotor balance quality requirements - Part 1: Specifications and balance tolerance
test
GB/T 9480 Rules for Compiling Instructions for Use of Forest Tractors and Machinery, Lawn and Garden Power Machinery
GB 10395:1 Agricultural and Forestry Machinery Safety Part 1: General
GB 10395:5-2013 Agricultural and Forestry Machinery Safety Part 5: Driven Farming Machinery
GB 10396 Agricultural and Forestry Tractors and Machinery, Lawn and Garden Power Machinery Safety Signs and Hazard Graphics General
GB/T 13306 Signs
GB/T 17126:1 Agricultural tractors and mechanical power take-off universal joint drive shafts and power input connecting devices - Part 1: General
manufacturing and safety requirements
JB/T 5673 General technical conditions for painting of agricultural and forestry tractors and implements
JB/T 8574 Agricultural Machinery Product Model Compilation Rules
JB/T 9791 Agricultural machinery universal joint drive shaft safety shield
JB/T 9832:2 Determination method of paint film adhesion performance of agricultural and forestry tractors and implements Press cutting method
3 Terms and Definitions
There are no terms and definitions that need to be defined in this document:
4 Model preparation
The preparation of the product model of the straw crushing and returning machine shall comply with the provisions of JB/T 8574: The product model representation method and marking are as follows:
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