您要查找的是不是：
- earth friction hoist 落地摩擦式提升机
- The safety transmission of the large friction hoist is a key issue to assure the safety for running mine. 大型摩擦轮式提升机安全传动是关系矿井安全运行的关键。
- Through analysis the multirope friction hoist wiith double head-rope,the authors expound its features and popularization values. 通过对双倍首绳多绳摩擦提升机分析，阐述了该提升系统所具有的特点及推广价值。
- This paper analyzed the declination cause of balancing weight for multi-rope friction hoist and put forward some measures to ward off this kind of declination. 本文就多绳摩擦式提升机平衡锤偏斜的原因进行了分析,并提出了避免偏斜的措施。
- The paper introduces a system that can be applied to observe and control the skid of multi-rope friction hoist based on the infrared laser location senser. 介绍了一种基于红外激光位置传感器的多绳摩擦轮提升机打滑测控系统。
- This paper studies the intensity of friction wheel in detail, taking the friction wheel of tower friction hoist with four ropes produced by CITIC Heavy Machinery Inc. in LuoYang as the model. 本论文以洛阳中信重型机械公司生产的井塔式四绳摩擦式提升机为模型，对摩擦轮的强度做了比较深入的研究。
- Introduced the technique of the up-hand bearing of friction hoist in main well of Xinji No.2 coal mine of SDIC replaced by not fall to the ground,and found a new way for maintaining the hand bearing. 介绍了国投新集二矿主井摩擦式提升机上天轮轴承不落地更换的方法,为天轮轴承维修找到了一条新途径,使用效果良好。
- The craft of changing the rope of floor type multi-rope friction hoist is complicacy.A kind of easy changing rope method and notice are introduced.The actual application result is well. 落地式多绳摩擦提升机换绳工艺复杂,本文主要介绍一种简单方便可靠的换绳方法及换绳时应注意的问题,实际应用中效果良好。
- As the abnormal vibraion occurs in the start-up and halt moment of mine multi-rope friction hoist, the paper made vibration testing to the hoisting transmission system of hoist. 矿井多绳摩擦提升机在启、停机瞬间振动异常,对提升机的提升传动系统进行了振动测试。
- Experience of Changing Tail Ropes of Friction Hoist 摩擦式提升机更换尾绳的体会
- The paper introduces a mathematic method for derivation of the range of anti-skid limit deceleration in multi-rope friction hoisting system using coefficient of load. 利用载荷系数求解多绳摩擦提升系统防滑极限减速度值域的数学方法。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- The Paper analyses slipping master sheets of friction hoists,Nonskid calcution on lectotypeing design and regulating the relate to factors for friction hoistis is disussed. 本文分析了摩擦式提升机滑动的原因，讨论了选型设计防滑计算及对有关参数的调整。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- Application of Dual-Purpose Friction Hoist in Mine Building 两用摩擦提升机在矿井建设中的应用
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- Turning score and its quality test of multi-rope friction hoist 多绳摩擦提升机绳槽车削及质量检验
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的？
- Technology about replacing head rope of multi-rope friction hoist 更换多绳摩擦式提升机首绳的工艺
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
