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 Wysłany: Nie 1:02, 08 Maj 2011 Temat postu: franklin & marshall Xiangjiaba Hydropower Station |
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Xiangjiaba Hydropower Station Tower Rack-A cable installation technology
Travel range from the time, including the way Kai, brake. Observation Project: Crane walking speed, body current and voltage, operation agencies work. (4) and the hoisting mechanism of the linkage test car traction. Lifting mechanism and the car traction linkage action lOmin. 5.430t (100% rated load) emergency stop test in the actual production process of the cable machine, cable machine due to a sudden accident causes power outage occurred from time, the test is conducted for the additional test cases, cable machine to a sudden drop in full-speed emergency stop. In the load test process, we should make records, the problem of load test is to organize personnel to deal with in a timely manner; on the track (including embedded parts), based on the track accessories,[link widoczny dla zalogowanych], cable machine body to inspect the installation of quality, the test After acceptance leading group before being put into trial operation the cable machine. Lift Test 5.6 cable machine cable machine on a single load test is completed, the two cable machine Lift test, the pilot project with a single cable machine load test, respectively, were 100% (55t), 110% ( 60.5t) dynamic load and 120% (66t) static loading test. In the load test process, should make all kinds of records. 6 Conclusion Xiangjiaba hydropower station cable machine called the span of most domestic cable machine for A-type tower rack, tower height of 74m, and improved traction speed and requires high degree of automation, cable machine design, manufacture and installation of have a higher degree of difficulty. Cable machine in September 2007 after the installation is complete,[link widoczny dla zalogowanych], has been running 2a, operation of equipment is better, as the primary means of Xiangjiaba Dam. This also shows that the domestic cable machine design, manufacture and installation of level has reached the advanced level, but the equipment still some defects,[link widoczny dla zalogowanych], such as horses running unstable bearing, nylon pulley noise, etc., need to study and solve domestic experts. The installation of the cable machine process and steps Xiangjiaba actual cable installation procedures, with a strong operational,[link widoczny dla zalogowanych], but the discussion is more superficial, only for cable installation unit of reference for colleagues, inadequate understanding of the requests. References: [1] Xiao Chong dry, Zhang Shibao. i Gap works mainly technical performance of construction equipment manuals fz]. 1999-07. [2] ZHANG Zhi-Wen, Yu and Qian, Wang Jinnuo, Bao sail. Lifting Design Manual 【M】. China Railway Press, 1998. Received date :2009 -09-08 Revised :2009-1O a 16InstallingTechniqueofAStyleTowerCableCraneforXiangjiabaHydropowerProjectWANGAi-guo, TANZhi-guo, YINJun (ChinaThreeGrogesc £ Corporation, Yibing644600, China) Abstract: Xian ~ iabaAstyletowercablecranehasthebiggestspaninChina. theAstyletowercablerllnsgreatsafetyriskswhenclimbingandthesteelwireropesmayposedifficultyinspanningtheriver. Thus, itrequiredhightechniqueininstalling. ThearticleintroducedtheproceduresandstepsforinstallingthesystemandwithemphasisontheinstallingoftheAstyletowercablecrane, climbingandthesteelwireropes. Keywords: Xian ~ iabahydropowerproject; cablecranesetting-up; towerclimbing Author: Wang Aiguo (1975 a), male,[link widoczny dla zalogowanych], Badong County, Hubei, undergraduate, engineers, mainly in hydraulic metal structures and equipment and construction equipment R & D and project management; Tan Zhiguo (1977 a), male, Hubei Jiangling, undergraduate, engineers, construction equipment, mainly engaged in R & D and project management; Yin Jun (1978), male, Hubei Hanchuan, undergraduate, engineers, construction equipment, mainly engaged in R & D and project management. Butterfly I71
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