In light of its application to the DS 21 warping machine, this paper analyses the principles and characteristics of a new tension device& the oil damping tension device in detail. 本文对一种新型张力装置&油阻尼张力装置的工作原理、工作特点等,结合其在DS21整经机上的使用情况作了详细的分析。
The paper introduces a transformation by PLC and frequency-changer in the light of current lashing problem of drawing-oil tube cleaning machine in oil field enterprises. 本文针对油田企业中抽油管清污机中存在的冲击问题,用PLC、变频器等对其控制进行了改造。
In the light of the fact that the wastage of antifreezing machine oil in the casing-pressure device of the water injection well result in failure of pressure gauge, a set of high-pressure lubricator ( ZJT-1 type) was developed based on the theoretical calculation and field condition. 针对注水井防冻防盗套压装置里的防冻机油损耗而导致压力表冻坏的问题,在理论计算的基础上,结合现场实际,研制成功了一套ZTJ-I型高压加油器。