GB/T 25977-2022Snow removal vehicle (English PDF)

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 for Standardization Documents" drafting.

This document replaces GB/T 25977-2010 "Snow removal vehicles". Compared with GB/T 25977-2010, except structural adjustment and editorial changes In addition, the main technical changes are as follows.

--- Changed some terms and definitions (see Chapter 3, Chapter 3 of the 2010 edition);

--- Deleted the terms and definitions of snowmelt and declination (see 3.3 and 3.7 of the 2010 edition);

--- Increased the terms and definitions of snow removal vehicles, spreading, and operating width (see 3.1, 3.4, 3.19);

--- Added relevant requirements for surface quality, coating and chemical treatment layer (see 4.2.2);

--- Changed the welding quality implementation standard requirements for snow removal vehicles (see 4.2.3, 4.2.4 of the 2010 edition);

--- Added the requirements for the waterway system (see 4.2.5);

--- Added requirements for electric switches and lamps (see 4.2.7);

--- Changed the marking requirements (see 4.2.8, 4.2.7 of the 2010 edition);

---Deleted gas fuel snow removal vehicle gas system requirements (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 parameter requirements of snow removal vehicles (see 4.2.12, 4.2.2, 4.2.3 of the 2010 edition);

---Deleted the regulations on snow removal vehicle lighting and light signal devices, side and rear lower protection (see 4.3.2 and 4.3.3 of the 2010 edition);

---Changed the requirements for snow removal vehicles equipped with lighting devices for night operation and installation of operation status indicators (see 4.3.3, 2010 edition 4.2.10);

--- Added the requirements for snow removal vehicles to install operation warning lights or benchmarks (see 4.3.4);

--- Changed the emission requirements for the auxiliary engine of the snow removal vehicle (see 4.4.1, 4.4.1 of the 2010 edition);

--- Added the requirements that the hydraulic system should be equipped with overload protection devices such as safety valves and low oil volume alarm devices (see 4.5.2);

--- Changed hydraulic system leakage requirements (see 4.5.4, 2010 version 4.5.8.4);

---Deleted the requirement that the hydraulic valve is not allowed to be stuck and does not act when it is working (see 4.5.8.3 of the 2010 edition);

--- Delete the hydraulic system should have waterproof, anti-corrosion protection requirements (see 4.5.8.5 of the 2010 edition);

--- Added the requirement that the snow shovel should be equipped with side guards (see 4.6.1.2);

--- Changed the requirements for installing poles or lights for snow shovels (see 4.6.1.2, 4.5.1.6 of the 2010 edition);

---Changed the obstacle avoidance ability requirements of the snow shovel (see 4.6.1.3, 4.5.1.2 of the 2010 edition);

--- Added the deflection function requirement that the snow shovel should imitate the ground (see 4.6.1.5);

---Changed the minimum ground clearance requirements for the rigid components of the snow shovel (see 4.6.1.6, 4.5.1.4 of the 2010 edition);

---Changed the requirement that the snow pusher should be equipped with a snow shield to prevent the flying snow from rising (see 4.6.1.7, 4.5.1.5 of the 2010 edition);

--- Changed the requirements for roller brush installation benchmarks or lights (see 4.6.2.2, 4.5.2.4, 4.5.3.4 of the 2010 edition);

--- Added the requirement that the roller brush should have the deflection function of imitating the ground (see 4.6.2.4);

---Changed the requirement that the roller brush should be equipped with a snow shielding device to prevent flying snow from rising (see 4.6.2.6, 4.5.2.2, 4.5.3.2 of the 2010 edition);

--- Changed the spreader spreading requirements (see 4.6.3.1, 4.5.4.1 of the 2010 edition);

---Deleted the error requirements for the actual spreading density and spreading width of the spreader (see 4.5.4.3, 4.5.4.4 of the 2010 edition);

--- Changed the requirements for snow blowing ducts of snow removal equipment (see 4.6.4.1, 4.5.7.1 of the 2010 edition);

---Changed the fan requirements for snow removal equipment and snow removal vehicles (see 4.6.4.2, 4.5.7.3 of the 2010 edition);

--- Changed the structural requirements of the ice breaker (see 4.6.5.1, 4.5.6.1 of the 2010 edition);

--- Changed the basic performance test (see 5.1, 5.1 of the 2010 edition);

---Changed the minimum ground clearance and operating angle test requirements for snow shovels (see 5.2.1.1, 5.2.1.2, 5.2.1.1 of the 2010 edition);

--- Added the pavement profiling angle test (see 5.2.1.3);

--- Changed the requirements for the obstacle avoidance ability test of the snow shovel (see 5.2.1.4, 5.2.1.2 of the 2010 edition);

--- Changed the test conditions for snow pushing operations (see 5.2.1.5.1, 5.2.1.3.1 of the 2010 edition);

--- Changed the snow removal test requirements for snow shovels (see 5.2.1.5.2, 5.2.1.3.2 of the 2010 edition);

---Changed the test requirements for snow pushing operation width (see 5.2.1.5.4, 5.2.1.3.4 of the 2010 edition);

--- Changed the snow removal rate calculation requirements for snow pushing operations (see 5.2.1.5.5, 5.2.1.3.3 of the 2010 edition)

--- Changed the minimum ground clearance test requirements for roller brushes (see 5.2.2.1, 5.2.2.1.1, 5.2.3.1.1 of the 2010 edition);

--- Changed the test requirements for the roller brush operation angle (see 5.2.2.2, 5.2.2.1.2, 5.2.3.1.2 of the 2010 edition);

--- Added the test requirements for the profiling angle of the roller brush road surface (see 5.2.2.3);

---Changed the test method of roller brush snow removal rate, operating width and operating speed (see 5.2.2.4, 5.2.2.2, 5.2.3.2 of the 2010 edition);

--- Changed the spreading function test (see 5.2.3, 5.2.4 of the 2010 edition);

---Delete the measurement requirements for spreading width and spreading density changes when the speed changes (see 5.2.4.5, 5.2.4.6 of the 2010 edition);

--- Changed the minimum ground clearance test requirements for blowing snow (see 5.2.4.1, 5.2.5.1 of the 2010 edition);

---Changed the test conditions for snow blowing operation (see 5.2.4.2.1, 5.2.5.2.1 of the 2010 edition);

--- Changed the snow blowing test requirements (see 5.2.4.2.2, 5.2.5.2.2 of the 2010 edition);

--- Changed the test requirements for blowing snow width (see 5.2.4.2.4, 5.2.5.2.3 of the 2010 edition);

--- Changed the snow removal rate requirements for snow blowing operations (see 5.2.4.2.5, 5.2.5.2.4 of the 2010 edition);

--- Changed the minimum ground clearance test requirements for icebreakers (see 5.2.5.1, 5.2.6.1 of the 2010 edition);

--- Changed the ice breaking test conditions (see 5.2.5.2.1, 5.2.6.2.1 of the 2010 edition);

--- Changed the ice-breaking width test requirements (see 5.2.5.2.4, 5.2.6.2.4 of the 2010 edition);

---Changed the calculation formula of ice breaking rate (see 5.2.5.2.5, 5.2.6.2.3 of the 2010 edition);

--- Added the measurement requirements for ice-breaking thickness (see 5.2.5.2.6);

--- Changed the minimum ground clearance test requirements for snow blowers (see 5.2.6.1, 5.2.7.1 of the 2010 edition);

--- Changed the snow throwing test conditions (see 5.2.6.2.1, 5.2.7.2.1 of the 2010 edition);

--- Changed the snow throwing distance test requirements (see 5.2.6.2.2, 5.2.7.2.2 of the 2010 edition);

---Deleted the inspection requirements for the snow throwing direction of the snow blower (see 5.2.7.2.5 of the 2010 edition);

--- Changed the test requirements for the lifting capacity of the snow blower (see 5.2.6.2.5, 5.2.7.2.6 of the 2010 edition);

--- Added operational reliability test requirements (see 5.3);

--- Changed the test requirements for noise outside the vehicle during snow removal operations (see 5.4, 5.3 of the 2010 edition);

--- Deleted gas system airtightness test (see 5.4 of the 2010 edition);

--- Changed the hydraulic system test requirements (see 5.5, 5.2.8 of the 2010 edition);

--- Added inspection items (see 6.1);

--- Changed the factory inspection and type test requirements (see 6.2, 6.3, 6.1, 6.2 of the 2010 edition);

--- Added the requirements for the instruction manual (see Chapter 7);

--- Added requirements for accompanying documents (see 8.1);

--- Changed the transportation and storage requirements (see 8.2, 8.3, Chapter 7 of the 2010 edition);

--- Increased fault classification and statistical requirements (see Appendix A).

1 Scope

This document specifies the technical requirements, test methods, inspection rules, signs, instruction manuals, accompanying documents, transportation and storage of snow removal vehicles.

This document is applicable to the design, manufacture and inspection of snow removal vehicles and snow removal trailers modified on the basis of finalized complete vehicles and second-class chassis and use. The snow removal vehicles modified with other chassis shall be implemented as reference.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB 1495 Limits and Measurement Methods of Exterior Noise During Acceleration of Automobiles

GB 1589 Automobiles, trailers and automobile trains Outline dimensions, axle loads and mass limits

GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components

GB 4785 Regulations for the Installation of Exterior Lighting and Light Signaling Devices for Automobiles and Trailers

GB 7258 Motor vehicle operation safety technical conditions

GB/T 9969 General Rules for Instructions for Use of Industrial Products

GB/T 12534 General Rules for Automobile Road Test Methods

GB 13954-2009 Police cars, fire trucks, ambulances, engineering rescue vehicles marking lamps

GB/T 18411 Motor vehicle product label

GB/T 23336 General Technical Conditions for Semi-trailers

GB/T 31012 Graphical symbols for sanitation vehicle equipment

JB/T 5943 General Technical Specifications for Construction Machinery Welding Parts

QC/T 252 Special Vehicle Type Test Regulations

QC/T 484-1999 Automobile paint coating

QC/T 518 Tightening torque of threaded fasteners for automobiles

QC/T 625 Automotive coatings and chemical treatment layers

QC/T 29104 Limit value of solid particle pollution degree of hydraulic oil in special automobile hydraulic system

QC/T 29105.3 Sampling of test method for solid particle pollution degree of hydraulic oil in special automobile hydraulic system

QC/T 29105.4 Test method for solid pollution degree of hydraulic oil in special automobile hydraulic system Microscopic particle counting method

3 Terms and Definitions

The following terms and definitions apply to this document.