This standard specifies the classification, technical requirements, test methods, inspection rules, and markings of insulated bottle holders for live working. This standard is applicable to insulation bottle holders used for live replacement of insulators or insulator strings in 110kV~750kV AC systems and 500kV DC systems. The clauses in the following documents are referred to as provisions of this standard through normative references. 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 the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 3191 Aluminum and Aluminum Alloy Extruded Bars GB 13398 Hollow Insulating Pipes for Live Working Foam filled insulating tube and solid insulating rod (mod IEC 60885) GB/T 14286 Terminology of live working tools and equipment (eqv IEC 60743) GB/T 16927.1 High voltage test technology Part 1: General test requirements (eqv IEC 60060-1) GB/T 18037 Basic technical requirements and design guidelines for live working tools DLT 876 Insulation coordination guidelines for live working DLT 878 Test guidelines for insulating tools for live working DLT 976 Live working tools Preventive Testing Regulations for Devices and Equipment YB 3207 General Technical Conditions for Forgings YB 3212 General Technical Conditions for Heat Treatment Parts
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 problemsBaijian 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