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LY/T 3237-2020: Forestry machinery - Internal combustion engine powered semi-trailed branch chippers
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Forestry machinery - Internal combustion engine powered semi-trailed branch chippers
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LY/T 3237-2020
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Basic data | Standard ID | LY/T 3237-2020 (LY/T3237-2020) | | Description (Translated English) | Forestry machinery - Internal combustion engine powered semi-trailed branch chippers | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B96 | | Classification of International Standard | 65.060.80 | | Word Count Estimation | 26,216 | | Date of Issue | 2020-12-29 | | Date of Implementation | 2021-06-01 | | Regulation (derived from) | Announcement No. 25 (2020) of the State Forestry and Grassland Administration | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 3237-2020: Forestry machinery - Internal combustion engine powered semi-trailed branch chippers
---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.
Forestry machinery-Internal combustion engine powered
semi-trailed branch chippers
People's Republic of China Forestry Industry Standard
Semi-hanging branches of forestry machinery powered by internal combustion engines
chopper
2020-12-29 released
2021-06-01 implementation
Issued by the State Forestry and Grassland Administration
1 Scope...1
2 Normative references...1
3 Terms and definitions...2
4 Model establishment and series spectrum...4
Modeling...4
Series Type Spectrum...5
5 Basic parameters...5
6 Technical requirements and test methods...6
General requirements...6
Overall performance...6
6.2.1 Requirements...6
6.2.2 Inspection...7
Main parts performance...7
6.3.1 Movable knife...7
6.3.2 Blade fastening bolts...8
6.3.3 Knife roll and cutter head...8
6.3.4 Feeding device...8
6.3.5 Internal combustion engine...8
6.3.6 Power cord...8
6.3.7 Electrical equipment and meters...9
6.3.8 Hydraulic mechanism...9
6.3.9 Wheels...9
Security...10
6.4.1 Protection of hazardous areas...10
6.4.2 Boot restrictions...10
6.4.3 The distance between the outermost end of the feeding trough and the feeding device...10
6.4.4 Disintegration risk control...11
6.4.5 Projectile risk control...11
6.4.6 Electrical...11
6.4.7 Feed control device...11
6.4.8 Decoupling brake device...12
6.4.9 Signal device...12
6.4.10 Parking mechanism...13
6.4.11 Traction connecting device...13
6.4.12 Stability...13
6.4.13 Hydraulic system...14
6.4.14 Fuel tank...14
6.4.15 Steps and pedals...14
6.4.16 Noise...15
6.4.17 Hot surface...16
6.4.18 Exhaust emissions...16
Reliability...17
6.5.1 Requirements...17
6.5.2 Inspection...17
Appearance quality...17
6.6.1 Requirements...17
6.6.2 Inspection...17
Assembly quality...17
6.7.1 Requirements...17
6.7.2 Inspection...18
7 Marks, instructions for use, packaging, transportation and storage...18
Logo...18
7.1.1 Requirements...18
7.1.2 Inspection...19
Operating Instructions...19
7.2.1 Requirements...19
7.2.2 Inspection...19
Packaging...19
7.3.1 Requirements...19
7.3.2 Inspection...19
Transport and storage...19
Appendix A (normative) Stability test of shredder...21
References...23
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"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed and managed by the National Forestry Machinery Standardization Technical Committee (SAC/TC 61).
Drafting organizations of this document. Yangzhou Weibang Garden Machinery Co., Ltd., Harbin Institute of Forestry Machinery, National Forestry and Grassland Administration, Lvyou Machine
Machinery Group Co., Ltd., Wuhan Hongwei Green Environmental Protection Technology Co., Ltd., Zhejiang Jiarui Machinery Co., Ltd., Fujian Forestry Science Research
hospital.
The main drafters of this document. Ke Zhongyu, Li Yingzhen, Zhuo Honghua, Wang Shaowu, Wu Zhaoqian, Wu Yi, Bao Jian, Hu Jun, Gao Rui.
Semi-hanging branch chopper powered by internal combustion engine for forestry machinery
1 Scope
This document specifies the terms and definitions of the semi-hanging branch shredder powered by an internal combustion engine (hereinafter referred to as the shredder), model establishment and
Series type spectrum, basic parameters, technical requirements and test methods, signs, instructions for use, packaging, transportation and storage.
This document is applicable to the use of reciprocating piston internal combustion engines in forest areas such as logging, management, municipal, landscaping and other sites.
Work when the position is fixed, automatically feed the wood and bamboo branches containing the main trunk through the feed trough with a horizontal or approximately horizontal bottom plate, and
And at the corresponding safe distance from the crushing device or the independent feeding device, the size of the feeding port is greater than 400 mm × 400 mm with a semi-hanging type
The branch shredder of the chassis.
This document does not apply to the relevant requirements of the national road safety regulations when the shredder is transferred to transportation.
This document does not apply to shredders with one or more of the following functions or structural features.
a) The feed chute is equipped with an extended workbench or a built-in conveyor chain beyond the outer edge of the bottom of the feed chute;
b) With belt feeding device;
c) With mechanical charging device;
d) With mechanical discharge device.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated reference documents,
Only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document
file.
GB/T 191 Packaging, storage and transportation pictorial signs
GB/T 1184-1996 shape and position tolerance without tolerance value
GB/T 2408-2008 Determination of the burning properties of plastics by horizontal and vertical methods
GB/T 3098.1 Mechanical properties of fasteners bolts, screws and studs
GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components
GB 3770 Determination of noise power level of woodworking machine tools
GB/T 4269.1 Symbols for operator control mechanisms and other display devices of agricultural and forestry tractors and machinery, lawn and garden power machinery
Part 1.Common symbols
GB 4785 Regulations for the installation of external lighting and light signal devices for automobiles and trailers
GB/T 5008.1 Lead-acid batteries for starting Part 1.Technical conditions and test methods
GB/T 5013.4 Rubber insulated cables with rated voltages up to and including 450/750V Part 4.Flexible wires and flexible cables
GB/T 5023.5 Polyvinyl chloride insulated cables with rated voltages up to and including 450/750V. Part 5.Flexible cables (flexible wires)
GB/T 5226.1 Electrical safety of machinery Electrical equipment of machinery Part 1.General technical conditions
GB/T 6072.1 Performance of reciprocating internal combustion engines Part 1.Calibration and test methods for power, fuel consumption and oil consumption
Additional requirements for the engine
GB 7258 Safety technical conditions for motor vehicle operation
GB/T 9239.1 Mechanical vibration constant (rigid) rotor balance quality requirements Part 1.Specification and balance tolerance test
GB/T 9480 Rules for the compilation of manuals for agricultural and forestry tractors and machinery, lawn and garden power machinery
GB 10396 General rules for safety signs and hazard graphics for agricultural and forestry tractors and machinery, lawn and garden power machinery
GB 12676 Technical requirements and test methods for braking systems of commercial vehicles and trailers
GB/T 13306 signs
GB/T 13384 General technical conditions for packaging of mechanical and electrical products
GB 18296 Safety performance requirements and test methods for automobile fuel tanks
GB 20891 Limits and measurement methods of exhaust pollutants from diesel engines for non-road mobile machinery (China's third and fourth stages)
GB 23254 Reflective marking of truck and trailer body
GB 23821-2009 Safety distance of machinery to prevent the upper and lower limbs from touching the dangerous zone
GB 26133 Limits and measurement methods for exhaust pollutants from small ignition engines for non-road mobile machinery
GB/T 31202 Agricultural and forestry machinery and garden machinery hand-held control and hand-held control machinery hot surface accessibility determination
GB/T 32538 Mechanical connection device for agricultural vehicles towed vehicles
GB/T 35350 Requirements and test methods for mechanical connection devices between tractors and towed vehicles
JB/T 5673 General technical conditions for painting agricultural and forestry tractors and machinery
JB/T 6710 Technical conditions of alternator for motor vehicles and internal combustion engines
QC/T 717 Requirements and testing methods for wheel runout of automobiles
QC/T 1067.1 Automotive wire harnesses and connectors for electrical equipment Part 1.Definitions, test methods and general performance requirements
3 Terms and definitions
The following terms and definitions apply to this document.
Semi-trailed chassis
When the load is evenly loaded, the overall center of mass is located between the axle of the chassis and the traction coupling point, and it is kept level by the auxiliary support when it is separated from the tractor.
The vehicle chassis is in a stable state and equipped with a dedicated tractor connection device.
Semi-trailed branch chipper
Installed on a semi-trailer chassis, through the physical effects of shearing, tearing and impact caused by the rotation of the operating parts, the wood and bamboo including the main trunk
Branches form a machine with a length of less than 50 mm scraps (see Figure 1).
Note. When the natural passing clearance of the feeding device is greater than 25 mm, the reference surface is located at its minimum clearance; when there is no feeding device, the reference surface is located at the cutting device
Close to the outermost side of the feeding operation position.
4 Model establishment and series spectrum
Model establishment
The model of the shredder consists of five parts. group code, characteristic code, series code, main parameter code and variant code.
The model preparation method is shown in Figure 2.
Example. QCG500-34A means that the knife roller diameter is 500 mm, the required power is 34 kW, and the first modified diesel-powered drum chopping...
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