Detail of GB/T 24834-2023

Introduction of GB/T 24834-2023

Technical specification for fittings of 1000 kV AC overhead transmission line 1 Scope This document specifies the general requirements, technical requirements, marking, packaging and accompanying documents of fittings for conducting and grounding wires of 1000 kV AC overhead transmission lines, and describes the test methods and judgment criteria. This document is applicable to the design, manufacture, test and acceptance of fittings for conducting and grounding wires of 1000 kV AC overhead transmission lines. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions 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 93 Single coil spring lock washers, normal type GB/T 95 Plain washers - Product grade C GB/T 699 Quality carbon structure steels GB/T 700 Carbon structural steels GB/T 1173 Casting aluminium alloys GB/T 2314 General technical requirements for electric power fittings GB/T 2315 Specified failure load series and coupling dimensions for electric power fittings GB/T 2317.4 Test methods for electric power fittings - Part 4: Acceptance inspection for electric power fittings GB/T 3190 Wrought aluminium and aluminium alloy - Chemical composition GB/T 3880 (All parts) Wrought aluminium and aluminium alloy plates, sheets and strips for general engineering GB/T 4437.1 Aluminium and aluminium alloy extruded tubes - Part 1: Seamless tubes GB/T 5075 Terminology for electric power fittings DL/T 284 Hot-dip galvanized bolts and nuts for tower and hardware of transmission lines DL/T 683 Nomenclature for fittings model DL/T 756 Suspension clamp DL/T 757 Strain clamp DL/T 758 Splicing fittings DL/T 759 Link fittings DL/T 760.3 Grading ring, shielding ring, grading and shielding ring DL/T 763 Technical requirements for overhead line helical fittings DL/T 764 Hexagon head bolts with split pin hole on shank for electric power fittings DL/T 768.2 Manufacture quality specification for electric power fittings - Part 2: Ferrous metals forgings DL/T 768.3 Manufacture quality specification for electric power fittings - Part 3: Power fittings stampings DL/T 768.5 Manufacture quality specification for electric power fittings - Part 5: Aluminium component DL/T 768.6 Manufacture quality specification for electric power fittings - Part 6: Welding DL/T 768.7 Manufacture quality specification for electric power fittings - Hot dip galvanized coatings on fabricated iron and steel articles DL/T 1098 Requirements and tests for overhead line spacers DL/T 1099 Technical requirements and tests for damper DL/T 1178 Corona and RIV test methods for fittings of 1000kV AC transmission line DL/T 1343 Split pins for electric power fittings DL/T 1372 Technical requirements for jumper of overhead transmission lines DL/T 2222 Test method for corona of AC transmission line rigid jumpers YB/T 123 Aluminum-clad steel wire YB/T 4165 Steel wire strands for vibration damper 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 5075 apply. 4 General requirements 4.1 Appearance and dimensions 4.1.1 The appearance quality and dimensional tolerances of fittings shall meet the requirements of GB/T 2314. 4.1.2 The Specified failure loads and coupling dimensions for link fittings shall meet the requirements of GB/T 2315.

Contents of GB/T 24834-2023

Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 General requirements 5 Technical requirements 6 Test methods and judgment criteria 7 Marking, packaging and accompanying documents