This standard specifies the terms and definitions, basic requirements, lifting equipment, line construction equipment, work protection equipment, test reports, and certificates of conformity of commonly used small construction equipment (tools) in the power industry construction operations. This standard is applicable to the preventive testing of commonly used small construction machinery (tools) in the construction operation of the power industry. The testing of imported products can be conducted based on the technical documents of the product, but it shall not be lower than the provisions of this standard. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 5725: Whole Network GB/T 5972, Maintenance, Installation, Inspection and Scrapping of Crane Wire Ropes GB/T 8170 Rules for Rounding off Values and Representation and Determination of Limit Values GB/T 16762- General Purpose Wire Ropes - Characteristics and Technical Conditions of Slings GB/T 16927.1 High Voltage Test Techniques Part 1: General Definitions and Test Requirements GB/T 16927.2 High Voltage Test Techniques Part 2: Measurement Systems GB/T 20118- General Purpose Wire Ropes GB 26861, Electric Power Safety Work Regulations - High Voltage Laboratory Part GB 502331 Code for Construction and Acceptance of 10kV~750kV Overhead Transmission Lines - DLT 1209.1 Technical Requirements for Climbing Operations and Protective Equipment in Substations - Part 1: Holding Pole Ladders, Ladders DL/T 1642 "Foot buckles for circular concrete poles DL/T 1643 Climbing boards for poles DL/T 1659 Technical requirements for flexible ladders for power operations DL/T 1476 Preventive testing procedures for power safety tools and equipment DL/T 1642" Technical requirements for flexible ladders for power operations DL/T 1659 "The following terms and definitions apply to this standard. 3.1 Small construction machines and tools (including instruments) Equipment used for lifting, stringing, and tightening operations in the power industry, including lifting tools, line construction tools, and protective equipment. 3.1.1 Lifting tools. Lifting instruments are small construction tools and their accessories that can be used to lift objects, including hand pulleys, jacks, holding rods, hooks (rings), shackles, pulleys, steel wire ropes (sleeves), fiber ropes, and lifting belts. 3.1.2 Line construction machines and tools are small construction machines used for power line laying out, lifting, tightening, and clamping operations, including ratchet tightener, double hook tightener, mesh sleeve connector, rotary connector, bending connector, clamp, insulator clamp, lifting tool, bottle holder, and motorized grinding
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