DTVI2 Rail Fastening Systems for Harbin Metro Line 2
Anyang Railway Equipment Co., Ltd provided 42000 sets of DTVI2 rail fastening systems for Harbin Metro Line 2.
Harbin, also known as the Ice City, locates Heilongjiang Province, the North of China. It is winter from November to March of the following year, which is long, cold and dry, and sometimes blizzards occur. The average temperature in January is -15℃ ~- 30 ℃, and the lowest temperature has reached -37.7 ℃.
The Harbin Metro refers to the urban rail transit serving Harbin, Heilongjiang Province, China, and the Harbin Metropolitan Area. Its first line opened for trial operation on September 26, 2013, making Harbin the first city with alpine subway systems in China.
Harbin Metro Line 2 is the third subway line to be opened and operated in Harbin, Heilongjiang Province, China, and the first network-type smart subway in China. It was officially opened for operation on September 19, 2021.
As of September 2021, the total length of Harbin Metro Line 2 is about 28.7 km; there are 19 stations, all of which are underground stations; 1 depot and 1 control center; the highest train design 80 km/h.
Anyang Railway Equipment Co., Ltd provided 42000 sets of DTVI2 rail fastening systems for Harbin Metro Line 2.
Technical indicators of DTVI-2 railway track fixed fasteners:
(1) The fastening systems include DI elastic clips (φ18), which are divided into intermediate and joints, and the gauge pads are divided into intermediate and joint gauge pads;
(2) The fastening force of a single spring clip of the joint is 8.5kN, and the spring range is 9.5mm;
(3) The fastening force of the single spring clip in the middle is 8.25kN, and the spring range is 10.5mm;
(4) The vertical static stiffness of the fastener node is 20-40kN/mm;
(5) The anti-climb resistance of a set of fasteners is ≥ 11.5kN;
(6) The pull-out resistance of the embedded nylon casing is ≥60kN;
(7) The resistance values of the insulating parts of the fasteners are all greater than 108Ω;
(8) The fastener resists transverse fatigue load 35kN, and the load cycle is 3X106 times;
(9) The gauge adjustment amount is +8, -12mm; the horizontal adjustment amount is generally 20mm.
