Recently，National College Entrance Examination Results Announced，In the annual“ College entrance examination ”In the war，Students have been sharpening their swords for ten years.，Go all out。Now，This group of young people fly their dreams.，Really open a new chapter in your life.。

Railway Construction Heavy Industry Turnout Products，Entry of the first set of turnouts into the market，Faced with many challenges，Keep breaking through yourself，Finish it again and again.“ College entrance examination ”，Hand over one after another to make customers satisfied with the beautiful.“Answer sheet”。

“Turnout answer sheet”

Railway Construction Heavy Industry has a high starting point for turnout products.，Complete series，Cover high speed、Product series of turnouts for normal speed and speed increase and product series of high manganese steel and alloy steel frog，Products are widely used in various types of railway lines.、Station yard、Urban rail transit lines, etc.。

2010 answer sheet：Shanghai-Hangzhou high-speed railway

Trial operation of Shanghai-Hangzhou high-speed railway on September 29, 2010，On the way from Hangzhou to Shanghai，Maximum speed of 416.Six kilometers，Refreshing the highest speed of world railway operation test again。Application of 54 sets of ballastless high-speed turnouts of Railway Construction Heavy Industry in Shanghai-Hangzhou High-speed Railway。

2011 answer sheet：Beijing-Shanghai high-speed railway 

June 30, 2011，Beijing-Shanghai High-speed Railway Line Officially Opened to Traffic，The Beijing-Shanghai High-speed Railway is a high-speed railway connecting Beijing and Shanghai.，It was revised in 2016《Medium and long term railway network planning》Medium"Eight vertical and eight horizontal"One of the main channels of high-speed railway。Railway Construction Heavy Industries provides 19 high-speed turnouts and 414 ordinary speed turnouts for Beijing-Shanghai High-speed Railway。

Answer sheet for 2018：Chengdu-Pujiang Railway

December 28, 2018，Chengdu-Pujiang Railway is open to traffic，The full name of Chengpu Railway is Chengpu Section of Chengya Railway.，It is a railway hub in Chengdu."Ring+Shoot"An important part of the pattern，Also known as Chengdu-Pujiang Express Railway，It is a regional express railway connecting Qingyang District and Pujiang County of Chengdu City in Sichuan Province, China.，It runs east-west。From 2015，China Railway Construction Heavy Industries Co., Ltd. has supplied 45 high-speed turnouts along the Chengdu-Pujiang Railway。

Answer in 2020：Jingxiong high-speed railway 

December 27, 2020，Opening of Daxiong Section of Jingxiong High-speed Railway，It marks the opening and operation of Jingxiong Intercity Railway.。Jingxiong high-speed railway，It is an inter-city railway connecting Beijing and Xiongan New District of Hebei Province in China.，It is an important railway line to improve the structure of Beijing-Tianjin-Hebei regional high-speed railway network.，68 sets of high-speed turnouts on the whole line are provided by China Railway Construction Heavy Industries Co., Ltd.，Among them, Daxing Airport Station and Daxing Airport are constructed synchronously.，It has contributed to the construction of air-rail intermodal transport at Daxing Airport.。

Answer in 2021：Ganzhou-Shenzhen high-speed railway

December 10, 2021，Country“Eight vertical and eight horizontal”Ganzhou-Shenzhen High-speed Railway, One of the Main Passages of High-speed Railway, Officially Opened，The design speed of Ganzhou-Shenzhen High-speed Railway is 350 kilometers per hour.，After opening, the travel time from Shenzhen to Ganzhou was shortened from 7 hours to 2 hours.，Convenient transportation helps the interconnection between Guangdong and Jiangxi provinces.、Economic exchanges and flow of goods。All 120 high-speed turnouts in Guangdong section of Ganzhou-Shenzhen High-speed Railway are supplied by Railway Construction Heavy Industry.。

2022 answer sheetA：Jizheng high-speed railway

April 21, 2022, 12:53，Two EMUs on the Puyang-Zhengzhou section of the Jinan-Zhengzhou high-speed railway were staged at a speed of 435 kilometers per hour.“Meet the car at a high speed”，It set a new world record of 870 kilometers per hour for the relative intersection of two EMUs on the open line.。The 73 high-speed turnouts of the Puyang-Zhengzhou section of the Jinan-Zhengzhou high-speed railway are all provided by the Railway Construction Heavy Industry.。

2022 answer sheetB：China-Laos Railway

The China-Laos Railway was officially opened to traffic on December 3, 2022.，It is 1035 kilometers from Kunming South to Vientiane Station.，Among them, the China-Laos Railway is in Laos.，Railway Construction Heavy Industry Co., Ltd. provides 152 sets of turnouts，Contribute to the strength of China Railway Construction Heavy Industry to build the road of friendship between China and Laos。

2022 answer sheetC：New Chengdu-Kunming Railway

December 26, 2022，Emian Section of New Chengdu-Kunming Railway Officially Opened to Traffic，It marks the completion of the new Chengdu-Kunming Railway.。The double track of Chengdu-Kunming Railway is a key construction project in the development of the western region.，Yeah, too“The Belt and Road”Connecting South Asia under construction、An important passageway for international trade ports in Southeast Asia，It plays an important role in promoting the high-quality economic development of the areas along the line.。China Railway Construction Heavy Industries Co., Ltd. supplies 340 sets of turnouts for the new Chengdu-Kunming Railway。

Examination“A sharp weapon”

A workman wants to do his work well.，You must first sharpen your tools.。Railway Construction Heavy Industry“Turnout answer sheet”Behind，Can't live without exams.“A sharp weapon”The blessing of。

Sharp weapon 1：

Heel end of steel rail once heated and formed for three times

Hot forging forming technology

By using electric induction heating、Integral mold and automatic material conveying technology，Realize the only one-step heating and continuous three-step forming process in China，It breaks through the traditional heat source heating in the domestic turnout industry.、Technical limitations of multiple heating and loose-piece dies。

 

Sharp weapon 2：

Forging Technology for Lengthening Heel End of Switch Rail

By heating the rail twice、Full Fiber Forging Process with Segmented Forging，It breaks through the limitation of the original pressing process that the length of the forging section is not more than 600 mm.，For the first time in China, a switch rail with the length of the forging section at the heel end extended to 1200 mm has been produced.，This technology fills the gap at home and abroad.，The problem of maintenance and replacement of the switch rail on site is solved.，Completely change the way of switch rail replacement in emergency rescue.。

Sharp weapon 3：

High manganese steel frog“Pre-hardening by explosion in tank”

Process technology

The first internal explosion pre-hardening technology of high manganese steel frog with completely independent intellectual property rights in China，The explosion hardness of the high manganese steel frog reaches 350HB（Brinell hardness）Above，In-tank explosion technology also reduces noise hazard，And operation safety is improve.。

 

Sharp weapon 4：

High manganese steel frog“Automatic grinding”Process technology

Olving the problem of high labor intensity of manual grinding、Unstable grinding quality，While improving the appearance quality of products, it can greatly reduce the dust and noise emissions in the grinding process.，Improve the comfort of the working environment。

The college entrance examination for the majority of students has ended.，However, the test of life has just begun.，There are countless possibilities for them to face in the future.。

The same，China Railway Construction Heavy Industry Co., Ltd., which has been tested for 16 years，Face the past report card，Always keep a clear head.，Chang Huai“Empty Cup” Mentality ，Full of passion to meet one after another.“ College entrance examination ”。