1 Over all improvement of Rolling Stock Equipment During the
Period of Tenth Five Year Plan
Remarkable and inspiring achievement were made in all aspects of
rolling stock work during the past three years .They were mainly in the
areas of implementing MOR’s redevelopment strategies in accordance
with the over all visions and plans .Special efforts were made to focus on
railway transportation services.
1.1 Highlights in Technology Modernization of Rolling Stock
Equipment
Expected targets have been achieved in technology import of EMU.
In accordance with the Mid –term and Long –term Railway Development
Plan and Minutes of Discussions on Locomotive and Rolling Stock
equipment by the State Council ,and in light of the general requirements
from “importing advanced technologies ,carrying out joint design and
manufacture and creating Chinese brands’ policy, we have purchased
electric multiple units of itself 200Km/h and 300Km/h and completed
technology transfer agreement .the parts production and general
assembling have started and are in steady progress. The successful
introduction of multiple units at the speed of 200 km/h and over indicates
that our technologies of railway passenger train have ranked among the
world advanced level.
Achieved smooth progress of localization of EMU technologies .the introduction and digestion of EMU technologies have
promoted the improvement of overall lever for domestic equipment
manufacturing industry. There are 9 key technologies and 10 major
supporting technologies being introduced and locally produced. They are
at the stage for overall of technical documentation and personal training .
The successful introduction of key technologies will also help with
expected domestic production.
Achieve freight train speed increase. To meet the requirements of
railway speed upgrade strategy, we have increase the overall speed for
freight trains; therefore, improved the overall freight train technologies.
Since 2003, all new freight wagons have been produced to meet the
requirements of commercial running speed at 120km/h. Since 2004,
existing freight wagons have been subjected to upgrading for the same
speed. By the end of the Tenth Five –Year, those freight wagons meeting
the above speed requirement accounted for 46% of the total stock.
Achieved new milestones in heavy haul freight train technologies.
By adhering to independent innovation ,we have successfully designed
and developed the general freight wagon with 70 -ton loading capacity
and 23-ton axle load, the special C80 and C76 types of open top coal
wagons with 25-ton axle load ,the double deck container fiat car and the
special freight wagons of 80~100-ton loading capacities .These
technology breakthroughs have helped in the successful operation of 10000-ton and 20000-ton trains as well as the special double deck
container train service on Datong –Qinhuangdao Railway , laying solid
foundation for domestic railway freight wagon upgrading and updating in
China. They also offered powerful equipment support in railway’s effort
to expand existing capacities and deal with bottle neck problems.
Achieved passenger and freight car supporting technologies.
Passenger car bogies for 160km/h operation have been developed and
power supple technologies of DC 600V from locomotive to passenger car
have been popularized for application. Integrated electric-car brake
unit ,electronic anti –sliding device, disk brake, tight –lock coupler and
elastic daub buffer have also been widely in use .Passenger car safety
monitoring system has been installed and used .Also being designed and
developed are the freight wagon bogies for 21-ton ,23-ton and 25-ton axle
load at 120km/h .The overall upgrading of air brake has been fulfilled .F
coupler from U.S.A. have been introduced .New parts and components
such as compact bearing and 50 steel axles without load discharging slot
and new materials such as stainless steel and aluminum alloy have been
extensively applied .
1.2 Safety Is Essential In Railway Speed Upgrade
The fourth and fifth round large scope railway speed upgrade
were successfully launched during the period of Tenth Five –Year
Plan .The equipment quality ,safety precaution and operation organization for passenger and freight cars have mostly met the requirements of speed
upgrade .
Successfully operated the through passenger trains. Developed
mew model 25T passenger cars at 160km/h speed as part of the fifth
speed upgrade, and achieved the through operation service of up to
1664km. Operational safety was well done during the nearly two years of
operation .Some reforms were done in terms of repair and maintenance as
well as operation for passenger cars .For example, the number of crew
members was cut by half.
Achieved overall improvement of rolling stock safety and
reliability. “3C” and “CRCC” certifications have been applied to
passenger car electric device. Integrated electric-air brake unit, electronic
anti-sliding device and disk brake have been widely applied. Modular
wiring is applied off-board. Main parts are subject to lifecycle
management. The safety and reliability of rolling stock have been greatly
improved by using extensively the new models K2 and K4 bogies, by
upgrading the existing freight wagons for higher speed and carrying out
the lifecycle management for the key pares and components, such as
bolsters and side frames.
Accomplished the first step torwards a modern safety
precaution system. Installed 5T safety monitoring and warning system on
six major arteries. the use of infrared axle temperature detecting system
