大秦铁路重载运输技术

Evolution History of China's Railway Heavy-haul Transportation

Developing phases

Primary technologies and equipments

Main results brought about by heavy-hauling technology

Role and Significance of Heavy-haul Transportation on Datong-Qinhuangdao Railway

Technical and Economic Analysis of Enhancing Freight Capacity of Datong-Qinhuangda

Railway

Coal outward transport volume from the Three-West regions

Situation analysis of coal transportation on Datong-Qinhuangdao Railway

Analysis of methods adopted for increasing coal transport volume

Key Technology Comparison on Operating 20,000-ton Heavy-haul Joined Trains

Loeotrol technology

ECP braking technology

Demonstration for Datong-Qinhuangdao Railway to adopt Loeotrol technology

Analysis of the Three Key Technical Issues for Operating 20,000-ton Heavy-haul Joine

trains by Adopting Locotrol Device

Communication reliability

Periodical circulation braking

Train longitudinal impulse

Heavy-haul Transport Technology System

Locomotive Technology

System integration technology of SS4 DC-drive electric locomotive

HXD1 locomotive

HXD2 locomotive

Heavy-haul Vehicle Technology

Vehicles

Key technology and equipment

Technical Platform of Communication and Transmission

Data communication for network-based wireless locomotive synchronous

……

Adjusting distribution of minor stations on D~tong-Qinhuangdao

Railway

Adjusting distribution of locomotive depots and vehicle depots on

Datong-Qinhuangdao Railway

Adjusting distribution of comprehensive maintenance services

Technical Evaluation

System integration innovation

Technology and equipment innovation

Transport organization innovation

Technical system innovation

Economic Evaluation

The heavy-haul technologies for Datong-Qinhuangdao Railway （hereinafter as Daqin Line ） are ranked as significant achievements attained by China Railways who complies with state strategy deployment， caters for requirements of national economy development and depends on independent innovation. This works sums up the innovation practices in heavy-haul technologies for Daqin Line， covering development overview ofheavy-haul technologies for Daqin Line， innovation in major technical equipment， upgrading of key technologies，research on train simulation， comprehensive train test， traffic organization， technical and economic evaluation，etc. and may provide reference for engineers and technical personnel engaged in research on heavy-haul technology， development of heavy-haul equipment， design and construction of heavy-haul system， as well as heavy-haul traffic organization.