The paper introduces chiefly the development of manufac turing dry-type flame-proof transformer with epoxy casting.
介绍环氧树脂浇注干式隔爆变压器的研制过程。
When the spark in the shell causes burning in the shell flammable gas to explode,explosive thrust should not open the door which is closed and ensure the gaps between the flame-proof surface which is fit against the enclosure fange and door flange Should not exceed th.
采用快开门长方体矿用隔爆壳子,在门法兰和壳法兰上大都安装了卡规或卡板(以下均称卡规)。
A new kind of explosion-proof soft starter used for mining is develop.
根据在煤矿井下工作的660V/1 140 V交流电动机起动电流大,对电网及电机造成冲击的缺点,设计了一种新型的矿用隔爆型软起动器。
In accordance with the reform and practice of the governing system of explosion-proof and nature-safe model all-digital frequency conversion winch, introduces the principle and character of the application of AFE technology in achieving frequency converter movement in four quadrants.
针对隔爆兼本安型全数字变频绞车调速系统改造的实践,介绍应用AFE技术实现变频器四象限运行的原理和特点,分析"双线控制"提高控制系统的安全性和可靠性的技术措施,为井下绞车变频改造提供技术支持。
In terms of gap tests of TNT and JH-2, they were approximatively achieved that were gap distances on the conditions of air and polyurethane foam by qualitative analysis, and conclusion was that copper liner effects on gap distance when applied conditi.
在简要总结聚氨酯泡沫材料隔爆性能的基础上,介绍了硬质聚氨酯泡沫材料对冲击波的衰减规律。
That brings some new subject to power electronic and electric drive,for example,research on explosion suppression induction motor design,analysis and research on temperature field with supplying by transducer.
而变频调速系统的使用也给电力电子与电气传动学科带来了新的研究课题,即在变频器供电下矿用隔爆异步电动机的设计、分析与温度场研究。
Mine Flameproof Vacuum Switch Based on HOLLiAS Modular PLC;
基于和利时单元式PLC的矿用隔爆型真空开关
On type BQC-25 flameproof portable starter used in coal mine;
BQC-25矿用隔爆型手提式起动器的研究
A New Manufacturing Process for the Stator Cramp of Flameproof Motor;
隔爆电机定子扣片制造新工艺
This paper elaborated the conditions of explosion under the coal mine pithead,and then introduced the building modules of the explosion insulation motor detection system.
介绍了隔爆电机检测系统的组成模块。
This paper introduces briefly the demands on and usages of the flameproof enclosure, probes into the methods for re-manufacturing the flameproof enclosure by using the ropey flameproof enclosure as the blank, and analyzes on the benefits of the technique of re-manufacturing the flameproof enclosure.
介绍了隔爆设备的要求和用途,对以废旧隔爆外壳为毛坯再制造隔爆外壳的方法进行了探讨,分析了再制造隔爆外壳工艺的效益。
This article expounds the analysis of causes on the deformation of cylindrical flameproof enclosure,and provides the different welding procedures and measures for the different causes to effectively reduce the deformation.
通过对具有圆筒型结构的隔爆外壳焊接变形的原因分析,阐述了为有效控制变形而采取的不同焊接工艺和措施,从而满足了隔爆外壳的特殊要求。
Against the existing problems in the process of the voltage up-grading for the cylindrical-shaped flame-proof enclosure,on the basis of elasticity mechanics theory,this paper carries out an analysis on the stress distribution of the cylindircal-shaped flameproof enclosure.
针对矿用圆柱形隔爆外壳在升级过程中存在的问题 ,基于弹性力学原理 ,对圆柱形外壳的受力情况进行了分析 ,并考虑在实际加工过程中诸因素对外壳强度、刚度的影响 ,推导出了设计计算公式 ,最后给出了计算实