MG6501620-WD采煤机牵引部设计.doc
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- MG6501620 WD 采煤 牵引 设计
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1、摘 要MG650/1620-WD型电牵引采煤机主要用于中厚煤层的综采作业。它可以一次采全高,并且能适应煤层厚度变化和底板起伏不平的条件。该采煤机适应性好、功率大、采煤效率高、操作简单、检修方便。本设计主要针对采煤机的整机进行方案设计,对牵引部结构及行走部等相关设计。 MG650/1620-WD型采煤机主要由液压系统及电控部(合为一体)、左右截割部、左右牵引部、左右行走部、冷却喷雾系统、机外油管组、支撑组件和拖缆装置等组成。在牵引部传动设计中,利用直齿轮和行星齿轮组成减速器是设计的一般原理,设计出适合牵引部使用的减速器,并将它和矿用马达直接联结,简化了牵引部的传动布置。本设计的创新点:把牵引部的
2、减速器安装在牵引箱里,使用了一个惰轮来增加中心距,这样也使齿轮的总个数减少,提高了传动效率。结构上将离合器安装在牵引箱内,使制动变的方便安全。设计中对NGW型行星减速器进行了优化配齿,采用角变位,并做了相应的校核,在保证需要的传动比的情况下,使设计的NGW型行星减速器体积最小。关键词:采煤机 ;牵引部;行走部 ;行星齿轮 ABSTRACTThe MG650/1620-WD type electrac to lead to shearer to mainly used for the medium thick coal seam to adopt homework. It can cuts th
3、e whole seam height in one trip, and accommodate the changing of seam thickness and floor undulation. Should the shearer adaptability like, the power is big and adopt a coal efficiency high, operate in brief and check to fix convenience. This design mainly carrieson a project design to the whole mac
4、hine of the shearer, spreading to move to wait a related design towards the hauling department with walksThe MG650/1620-WD coal mining machine mainly (bes in one), about cutting by the hydraulic system and electrically controlled department, about the hauling department, about to walk, the cooling s
5、pray system, the outside the aircraft oil pipe manifold, to support the module and the towing bridle installment and so on is composed. In the design of the cutting drum spread move , the exploitation keeps the general theory that wheel gear and planet wheel gears constituting to decelerate a machin
6、e is a design. Designing to suit a deceleration machine which mows an usage, and will it and the mineral use electric motor to combine directly, simplifying to the cutting drum to spread to move a decoration. The creative of this design: Cut a deceleration machine of mowing the department to install
7、 in the ranging arm, used one round to increase center to be apart from, so as to make the total piece of wheel gear reduced, and raised to spread to move an efficiency. The structure full general clutch installs on the electrical engineering stalk, making the moving convenience and safety. In the D
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