Issued by the Ministry of Industry and Information Technology of the People's Republic of China
Contents
Foreword i
1 Scope 1
2 Normative References 1
3 Terms and definitions 2
4 Basic specifications 3
5 Requirements 3
6 Test method 8
7 Inspection rules 17
8 Marking and instructions for use 18
9 Accompanying documents, transportation, and storage 19
Annex A (Informative) Structural types of bridge inspection vehicles 20
Annex B (Informative) Determination of structural safety factor 21
Annex C (Informative) Test record of special devices 22
Foreword
Codeofcina.com is in charge of this English translation. In case of any doubt about the English
translation, the Chinese original shall be considered authoritative.
Annexes A, B and C of this standard are informative.
This standard was proposed by and is under the jurisdiction of National Technical Committee of Auto Standardization.
This standard is issued for the first time.
Bridge inspection vehicle
1 Scope
This standard specifies the terms and definitions, basic specifications, requirements, test methods, inspection rules and marking, instructions for use and accompanying documents, transportation, and storage of bridge inspection vehicles.
This standard is applicable to folding, truss and mixed bridge inspection vehicles modified with finalized stereotyped automobile chassis. Reference may be made to this standard for bridge inspection vehicles of other types or with special requirements.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding any corrigendum), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the standards indicated below. For undated references, the latest edition applies.
GB 1589 Limits of dimensions, axle load and masses for road vehicles
GB/T 3766 Hydraulic fluid power - General rules relating to systems
GB 4785 Prescription for installation of the external lighting and light-signalling devices for motor vehicles and their trailers
GB 7258 Technical specifications for safety of power-driven vehicles operating on roads
GB/T 7935 Hydraulic fluid power - General requirements for hydraulic components
GB 9969.1 General principles for preparation of instructions for use of industrial products
GB 11567.1 Motor vehicles and trailers - Lateral protection requirements
GB 11567.2 Motor vehicles and trailers - Rear underrun protection requirements
GB/T 12534 Motor vehicles - General rules of road test method
GB/T 18411 Road vehicles manufacturer’s plate
JB/T 5943 Construction machinery - General specifications for welding parts
QC/T 252 Type approval test regulations for special automobile
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 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
bridge inspection working platform
device used to transport personnel, tools and materials to designated locations for work, including a work platform with a controller and a stretching mechanism
3.2
work platform
device for carrying workers and working equipment in the air by a bridge inspection vehicle
3.3
maximum working height
maximum vertical distance from the bottom surface of the platform and the bearing surface when the working platform is on the bearing surface of the bridge inspection vehicle
3.4
maximum vertical working radius
maximum vertical distance (Hmax) from the bottom surface of the platform to the bearing surface when the working platform is under the bearing surface of the bridge inspection vehicle, as shown in Figure 1
3.5
minimum vertical working radius
minimum vertical distance (Hmin) from the platform bottom surface to the bearing surface when the working platform is under the bearing surface of the bridge inspection vehicle, as shown in Figure 1
3.6
slewing center I
center of the overall slewing of the work platform
3.7
slewing center II
center of the slewing of the work platform
3.8
maximum horizontal working radius
maximum horizontal distance (L) from the slewing center II of the support structure to the outer edge of the platform when the platform is perpendicular to the longitudinal axis of the support structure, as shown in Figure 1
3.9
maximum distance of sideway spanning
maximum horizontal distance (L1) that the bridge inspection vehicle can cross the right outer edge of the bridge during operation, as shown in Figure 1
3.10
maximum height of guardrail spanning
maximum height (H1) that the bridge inspection vehicle can cross the side road guardrail during operation, as shown in Figure 1
4 Basic specifications
See Annex A for the structural types of bridge inspection vehicles.
The basic parameters of bridge inspection vehicles specified in Table 1 shall be preferred.
Table 1 Basic specifications
Item Value
Maximum horizontal working radius, m 8(7), 10, 12, 14, 16, 18, 20, 22, 24
Rated load, kg 200, 250, 320, 400, 500, above
Foreword i 1 Scope 2 Normative References 3 Terms and definitions 4 Basic specifications 5 Requirements 6 Test method 7 Inspection rules 8 Marking and instructions for use 9 Accompanying documents, transportation, and storage Annex A (Informative) Structural types of bridge inspection vehicles Annex B (Informative) Determination of structural safety factor Annex C (Informative) Test record of special devices
