Letter Underground set off the technical requirem

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Letter Underground set off the technical requirements and design type application options

6502 Electric is smaller than its investment in construction between the former two. Need to invest in maintenance with technical and maintenance funding is also the highest concentration of 6,592 electrical, non-standard electronic (gas) concentration center, color light chain signal at least. The ability to adapt to the roadway environment, the result of two types of electrical focus sensor with track circuits and the establishment of electric switches, so certain requirements on the roadway environment, color is no electric light switch interlock signal, sensing a flexible way, adapted Xiao to poor roadway environment. To sum up, If the three types of underground transportation design closure of advanced technology information collection, technical complexity, level of automation, centralized control, safety standards, investment, yak work difficulty, environmental adaptability, maintenance amount and maintenance of the difficulty of the first-time, height, size and power of the order is divided into A, B, C three levels. Comprehensive comparison table below. Design of the letter set off underground type of operation comprehensive comparison table of 6502 sets of non-standard electric power projects hinge joint letter color light gas Neutron (gas) to focus BC Zhu advanced technical complexity of the technical level of automation AB ABC AB Anson standard centralized control of investment Zhi ABC ABC soul work essays difficult regulations AC CC-dimensional learning environment, ability to adapt to the amount of learning difficulties BC BC CD set a design and construction of metallurgical and mining 32 1993 6 e, how to choose the letter Underground mine set off the next phase of the design pattern of the transport level geological conditions, roadway, rail laying standards, length of service and so differentiated, so the design type in the letter set off another copy is not available to apply. Stage transport level, and its design style letter set off the following conditions according to the decision, 1) the amount of ore shipped; 2) years of service; 3) roadway width; 4) Roadway Chung, Chung mud; 5) rail specifications I6) Road Slag resistance; 7) letter set off mines on investment capacity; 8) The letter set off mines on the repair capacity. The author believes that the large amount of ore for years, long years of service, roadway width of not more than 4m. Using 43kg / m rail wheels Road, Chung, Chung clay content does not affect the normal operation of the underground track circuit stage of transport level, if the mines closed on the letter sets the capacity of investment and repair. Should be preferred non-standard electronic (gas) concentration of the letter set off the design type. 6502 Electric applicable conditions and non-standard electronic (gas) focus on the same base car, but the letter set off because of this investment is high, if used for general production scale underground mining, the investment returns are not very impressive, so. The newly built large underground mine, if the conditions are ripe stage for transport level, can choose this type of information set off device, but requires use mine to do all maintenance personnel training. Color light chain signal environment adaptable, installation and maintenance is relatively simple, for the operation of ore was not very busy roadway Chung, Chung clay content level of the larger stage of transport, should be used in the letter color light chain signal sets off the design type . Since the letter set off underground transport type from the stage of the design level of the geological environment, transport, track laying and production demand, and then design a type of underground transport in a letter set off the level of underground mining phase of transport used to demonstrate good advanced technology, economic applicability, and in another level of underground mining phase of transport will not necessarily use the same effect can be seen. Type the letter set off underground transport use is reasonable is whether this kind of device to get the key to investment results. VI Conclusion proved, the letter set off underground transport application success depends on the type of selection and design of maintenance management level, in recent years, the letter set off in the underground continuous efforts of designers, the letter set off underground technology has completely mature, the design pattern is not limited to the three described in this article. Microcomputer Interlocking letter set off underground transport device has also been successfully tested. Practice also shows that the level of use of underground transportation information collection phase and closure can effectively avoid traffic accidents, improve transport efficiency, implementation of traffic control. Therefore, the conditional underground mines, the level should be installed at the stage of transport the letter set off device. (Continued from page 64) × (・ u) = 0 (A5) the magnetic induction B, by definition, B = H (t1) magnetic scalar can be defined as a bit of one B = (A6) current density J, by Ampere B loop law definition of the differential is always zero B = 0 (A7) J = × H (A2) Equation A7 and A6 have Laplace's equation connecting A1 and A2 connecting equation, one 0 (A8) XB = (A3) References (omitted) between the two poles because J = O, so Liu Jing ~ (Inter. fMinerJth-oee.}, 00, XB0 (A4) № 39, BU l8. because the cross product of the scalar gradient Zero Liuhengqixiao
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