This standard specifies the terms and definitions, type and basic parameters, technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage of tyred mining truck for underground mines.
This standard is applicable to tyred mining truck for underground mines that transport materials or ores in underground metal and non-metal mines, tunnels, etc.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1147.1 Small and medium power internal combustion engines - Part 1: General requirements
GB/T 2883 Rims for earth-mover
GB/T 2980 Size designation, dimensions, inflation pressure and load capacity for earth-mover tyres
GB/T 4879-1999 Rustproof packaging
GB 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 6072.1 Reciprocating internal combustion engines - Performance - Part 1: Declarations of power, fuel and lubricating oil consumptions and test methods - Additional requirements for engines for general use
GB 7258-2012 Technical specifications for safety of power-driven vehicles operating on roads
QC/T 825 Technical specification of tipper hydraulic system
3 Terms and definitions
For the purposes of this document, the terms and definitions established in GB/T 18577.1-2008 and the following apply.
3.1
tyred mining truck for underground mines
tyred self-propelled machinery for underground transport and dumping of materials or ores
3.2
raising time
time required for the truck body to be raised to its maximum raising angle under full load
3.3
lowering time
time required for the truck body to be lowered to the position on the frame after unloading the materials
3.4
maximum tractive force
maximum adhesion that occurs between the tyre and the ground when the tyre is slipping under rated load
3.5
maximum travel speeds
maximum speed that can be reached by the truck when being driven forward and backward on a hard horizontal road under no load
3.6
maximum gradeability
ability of the truck to overcome the maximum slope on a favorable pavement at its first gear under full load
3.7
volumetric rating
rated volume of the truck body, which is the sum of the struck volume and the top volume
3.8
rated payload
rated load that the truck can carry as stated by the manufacturer
3.9
operating weight
wight of an empty truck with standard configuration, a 75kg driver, fuel tank full of fuel, and lubrication system, hydraulic system and cooling system loaded to the weight as stated by the manufacturer
3.10
loading height
H
distance between the ground reference plane (GRP) and the highest point on the loading side in the Z-axis direction under no load
3.11
maximum height
H1
distance between the ground reference plane (GRP) and the highest point of the truck accommodating the driver's cab or driver protection structure (such as the roll-over protection structure) on the Z coordinate
3.12
dump height
H2
distance between the ground reference plane (GRP) and the highest point of tyred mining truck for underground mines in the Z-axis direction when the truck body is fully raised
3.13
ground clearance
H4
distance between the ground reference plane (GRP) and the lowest point of the truck on the Z coordinate
3.14
tread
W
distance between the two Y planes passing through the centerline of the tyre width on the Y coordinate
3.15
maximum width
W1
distance between the two Y planes, passing through the farthest points of the truck on both sides of the zero Y plane on the Y coordinate
3.16
maximum length
L
distance between the two X planes passing through the farthest points before and after the truck on the X coordinate
3.17
wheel base
L1
distance between the two X planes passing through the centers of front and rear wheels of the truck on the X coordinate when the truck body and all wheels are in the same linear direction
3.18
inner turning radius
R1
distance between the center of rotation and the inner smallest arc of the truck in the Z plane when the truck is driven to turn as smallest as possible
3.19
outer turning radius
R2
distance between the center of rotation and the outer largest arc of the truck in the Z plane when the truck is driven to turn as smallest as possible
3.20
body dump angle (rear dump)
A1
included angle between the baseplate of hopper in the Y plane and the ground reference plane (GRP) when the truck body is fully raised
3.21
articulation angle
A2
angle formed by the front of the truck in the Z plane when the truck is turned from a straight forward position to the left or right maximum position
3.22
angle of approach
A3
included angle between the ground reference plane (GRP) and the plane which passes through the lowest point (which limits the angle size) of any structure in the front of the truck and also is tangential to the front wheel in the Y plane
1 Scope 2 Normative references 3 Terms and definitions 4 Type and basic parameters 4.1 Type 4.2 Model 4.3 Basic parameters 5 Technical requirements 5.1 General requirements 5.2 Performance requirements 5.3 Safety and hygiene requirements 6 Test methods 6.1 Measurement of dimension parameters 6.2 Measurement of mass (weight) parameters 6.3 Testing of the oscillating angle of oscillating axle 6.4 Dump performance test 6.5 Body free lowering angle test 6.6 Raising alarm device test 6.7 Testing of alarm sound 6.8 Testing of maximum travel speed 6.9 Testing of maximum tractive force of mining truck 6.10 Gradeability test 6.11 Pressure resistance test 6.12 Exhaust emission testing 7 Inspection rules 7.1 Inspection classification 7.2 End-of-manufacturing inspection 7.3 Type inspection 7.4 Judgment rules 8 Marking, packaging, transportation and storage Figure 1 Sketch for the mining truck Table 1 Basic parameters of mining truck Table 2 Inspection items
