Foreword
This document is drafted in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure of standardization documents and drafting rules".
This document replaces GB/T 25977-2010 "snow removal vehicle". Compared with GB/T 25977-2010, in addition to structural adjustments and editorial changes, the main technical changes are as follows:
--Changed some of the terms and definitions (see Chapter 3, Chapter 3 of the 2010 version);
--deleted the snow melting deflection angle terms and definitions (see 2010 version of 3.3, 3.7);
--Added the terms and definitions of snow removal vehicle, spreading, operating width (see 3.1, 3.4, 3.19);
--Added requirements related to surface quality, coating and chemical treatment layers (see 4.2.2);
--Changed the welding quality of snow removal vehicles to implement the standard requirements (see 4.2.3, 2010 version of 4.2.4);
--Added the requirements of the water system (see 4.2.5);
--Added the requirements of electric switches and lights (see 4.2.7);
--Changed the requirements for signage (see 4.2.8, 2010 version of 4.2.7);
--Deleted gas system requirements for gas-fueled snow removal vehicles (see 4.2.11 of the 2010 edition);
--Changed the requirements for snow removal trailers (see 4.2.10, 4.2.13 of the 2010 edition);
--changed the reliability requirements for snow removal vehicles (see 4.2.11, 4.2.16 of the 2010 edition);
--Changed the basic performance parameters of the snow removal vehicle requirements (see 4.22, 2010 version of 4.2.2, 4.2.3);
--deleted the snow removal vehicle lighting and light signal device, side and rear lower protection provisions (see 2010 version of 4.3.2, 4.3.3); --Changed the snow removal vehicle with night operation lighting appropriate, the installation of operational status indicator requirements ( See 4.3.3, 2010 version of 4.2.10);
--Added the snow removal vehicle to install operating warning lights or pole requirements (see 4.3.4);
--Changed the snow removal vehicle sub-engine emission requirements (see 4.4.1, 2010 version of 4.4.1);
--Added the hydraulic system should be set up safety valves and other overload protection devices and low oil alarm device requirements (see 4.5.2);
--changed the hydraulic system leakage requirements (see 4.5.4, 2010 version 4.5.8.4) ;
--Deleted the hydraulic valve work is not allowed to have stagnation and non-action phenomenon requirements (see 2010 version of 4.5.8.3);
--delete the hydraulic system should be waterproof, corrosion protection requirements (see 2010 version of 4.5.8.5);
--add a push snow shovel should be set up side protection device requirements (see 4.6.1.2);
--Changed the snow shovel installation pole or light requirements (see 4.6.1.2, 2010 version of 4.5.1.6);
--Changed the snow shovel obstacle avoidance requirements (see 4.6.1.3, 2010 version of 4.5.1.2);
--Added the requirement that the snow shovel should have a ground-like deflection function (see 4.6.1.5);
--Changed the minimum clearance requirements for the rigid parts of the snow shovel from the ground (see 4.6.1.6, 2010 version of 4.5.1.4);
-- Added requirements for fault classification and statistics (see Appendix A).
Please note that some of the contents of this document may be patent related. The issuer of this document does not assume responsibility for identifying patents. This document is presented by the Ministry of Industry and Information Technology of the People's Republic of China.
This document is categorized by the National Automotive Standardization Technical Committee (SAC/TC114).
This document was first published in 2010, and this is the first revision.
1 Scope
This document specifies the technical requirements of the snow removal vehicle, test methods, inspection rules, signs, instructions, accompanying documents, transportation and storage. This document applies to the design, manufacture, inspection and use of snow removal vehicles and snow removal trailers that have been modified on the basis of the finalized vehicle and two types of chassis. The use of other chassis modified snow removal vehicle reference implementation.
2 Normative reference documents
The following documents through the normative references in the text and constitute the essential provisions of this document. Among them, note the date of the reference document, only the date of the corresponding version applies to this document; do not note the date of the reference document, its latest version (including all the revision of the single) applies to this document.
GB 1495 Vehicle acceleration outside the vehicle noise limits and measurement methods
GB 1589 Cars, trailers and car trains outline dimensions, axle load and mass limits
GB/T 3766 Hydraulic transmission system and its components of the general rules and safety requirements
GB 4785 Car and trailer exterior lighting and light signal device installation regulations
GB 7258 Motor vehicle operating safety technical conditions
GB/T 9969 Industrial product manual general rules
GB/T 12534 General rules for road test methods for automobiles
GB 13954-2009 Police cars, fire trucks, ambulances, engineering rescue vehicles sign lamps and lanterns
GB/T 18411 Motor vehicle product labeling
GB/T 23336 General technical conditions for semi-trailers
GB/T 31012 Sanitation vehicles and equipment with graphic symbols
JB/T 5943 General technical conditions for construction machinery welding parts
QC/T 252 Special vehicle final test procedures
QC/T 484-1999 Automotive paint coating
QC/T 518 Automotive threaded fasteners tightening torque
QC/T 625 Automotive coating and chemical treatment layer
QC/T 29104 Special automotive hydraulic system hydraulic oil solid particle contamination limits
QC/T 29105.3 Special automotive hydraulic system hydraulic fluid solid particle contamination test method to understand the sampling
QC/T 29105.4 Special automotive hydraulic system hydraulic fluid solid contamination test method microscopic particle counting method
3 Terms and definitions
The following terms and definitions apply to this document.
4 Technical requirements
4.1 General rules
4.1.1 Snow removal vehicle shall be manufactured in accordance with the technical documents approved by the prescribed procedures and shall comply with the provisions of this document.
5 Test methods
5.1 Basic performance test
Snow removal vehicle test conditions and preparation should be consistent with the provisions of GB/T 12534, the basic performance test according to the provisions of QC/T 252. Snow removal vehicle equipped with sub-engine, should be used in accordance with the provisions of the manual for its break-in.
5.2 Special function test
7 Signs, instructions for use
7.1 Sign
Snow removal vehicle should be fixed in obvious parts of the product sign, the sign of the fixed position and type should be consistent with GB/T18411, the content of the sign should be consistent with the provisions of GB 7258.
8 With the vehicle documents transport and storage
Appendix A (normative) fault classification and statistics
Appendix B (informative) snow classification and density
Foreword
1 Scope
2 Normative reference documents
3 Terms and definitions
4 Technical requirements
5 Test methods
7 Signs, instructions for use
8 With the vehicle documents transport and storage
Appendix A (normative) fault classification and statistics
Appendix B (informative) snow classification and density
