Truck with loading crane
1 Scope
This standard specifies the definitions, requirements, test methods, inspection rules, marking, instructions for use, accompanying documents, transportation and storage concerning trucks with loading crane.
This standard is applicable to a truck with loading crane modified from a finalized goods vehicle or a finalized stereotyped automobile chassis (hereinafter referred to as "lift trucks").
2 Normative references
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 3766 Hydraulic fluid power - General rules relating to systems
GB/T 3811 Design rules for cranes
GB/T 9969.1 General principles for preparation of instructions for use of industrial products
GB/T 12534 Motor vehicles - General rules of road test method
GB 15052 Lifting appliances - Dangerous positions and signs
GB/T 18411 Road vehicles manufacturer’s plate
JB/T 5943 Construction machinery - General specifications for welding parts
QC/T 252 Special purpose vehicles - Engineering approval evaluation program
QC/T 484 Automobiles - Paint coating
QC/T 29104 Limiting value of contamination level of solid particles of special purpose vehicle hydraulic system
QC/T 29105 Test method for contamination level of solid particles of special purpose vehicle hydraulic system
3 Definitions
For the purposes of this standard, the following definitions apply.
3.1
maximum hoisting moment
maximum value of the product of the rated lifting load and the corresponding operating range ability
3.2
rated lifting load
maximum total mass (including the mass of the lifting appliance) of the objects allowed to be lifted for safe operation during different operating range abilities
3.3
maximum lifting load
maximum total mass of the objects allowed to be lifted by a lift truck during minimum operating range ability
3.4
range ability
horizontal distance from the vertical line of the hook center of the lift truck to the slewing centerline
3.5
minimum operating range ability
minimum horizontal distance from the vertical line of the hook center to the slewing centerline when the lift truck can operate effectively
3.6
maximum operating range ability
maximum horizontal distance from the vertical line of the hook center to the slewing centerline when the lift truck has the maximum arm length and the boom is in a horizontal state
3.7
maximum lifting height
vertical distance from the hook center to the ground plane where the lift truck is located when the hook is at the upper limit position under the operating conditions of maximum arm length, maximum elevation angle, full extension of vertical stabilizer oil cylinder and complete vehicle unladen mass
Foreword I
1 Scope
2 Normative references
3 Definitions
4 Requirements
5 Test methods
6 Inspection rules
7 Marking and instructions for use
8 Accompanying documents, transportation and storage
Annex A (Normative) Stress measurement criteria
Annex B (Normative) Table of calculated load
Annex C (Informative) Overturning line reference diagrams
Annex D (Informative) Test record tables
