BAIJIAN - Third party testing organization
This standard specifies the terms、 definitions、 classification、 technical requirements、 test methods、 inspection rules and markings、 packaging、 transportation、 and storage of concrete mixer trucks. This standard applies to inclined concrete mixing transport vehicles (rear end discharge type) and inclined tube concrete mixing transport semi-trailers (rear end discharge type) towed by towing vehicles (hereinafter referred to as mixing trucks). 2 Normative References: The clauses in the following documents become the clauses of this standard through the reference surface of this standard. For dated reference documents、 all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However、 parties to agreements based on this standard are encouraged to study whether new versions of these documents can be used. For undated references、 the latest version of * applies to this standard. GB 1495 Limits and Measurement Methods for External Noise of Accelerating Motor Vehicles (GB 1495-2002、 ECE Reg. No.51、 NEQ) GB 1589 Boundary Dimensions、 Axle Load and Mass Limits for Road Vehicles GB4785 Installation Regulations for External Lighting and Light Signaling Devices of Motor Vehicles and Trailers (GB4785-2007、 ECER482001、 NEQ) GB 7258 Safety Technical Conditions for Motor Vehicle Operation GB/T 9142 Concrete Mixers GB 11567.1 Side Protection Requirements for Motor Vehicles and Trailers [GB 11567.1-2001、 idt ECE R73 (1988)] GB 11567.2 Requirements for Rear Underbody Protection of Motor Vehicles and Trailers [GB 11567.2-2001、 neq ECE R58 (1983)] GB/T 12534 General Principles for Road Test Methods of Motor Vehicles GB/T 12539 Test Methods for Climbing Steep Grades GB/T 12676 Brake System、 Structure、 Performance and Test Methods of Motor Vehicles (GB 12676-1999、 eqv ISO 76341995) GB/T 18411 Product Labels for Xiaolu Vehicles GB/T 23336 General Technical Conditions for Semitrailers QC/T 252 Specification for Type Approval Testing of Special Purpose Vehicles QC/T 587: Quality Inspection and Evaluation Methods for Tank Car Products QC/T 29104 Limits for Solid Pollution of Hydraulic Oil in Special Purpose Vehicle Hydraulic Systems QC/T 29105.2~QC/T 29105.4 Test Methods for Solid Pollution of Hydraulic Oil in Special Purpose Vehicle Hydraulic Systems 3 Terms and Definitions The following terms and definitions apply to this standard. 3.1 Inclined axis rotating drum type truck mixer、 the concrete material is carried to a high place by the spiral blades inside the mixing drum、 and is mixed by falling under its own weight; Reversing the mixing drum、 the concrete material is pushed out by the spiral blades inside the mixing drum、 and the axis of the mixing drum is tilted at a certain angle to the horizontal plane by a tank type specialized transport vehicle. 3.2 The upper part of the truck mixer is the general term for all other parts of the mixer except for the chassis
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific、 fair、 and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsinspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered、 meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing、 with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle、 low cost、 and attentive service 7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc 8. The testing report is authoritative and effective、 and is generally used in China