欧美黑人狂野猛交老妇,亚洲成人老阿姨露脸对白,少妇高潮灌满白浆毛片免费看,国产精品久久久久久久久久白浆,国产AV成人精品一区二区三区亅
中文 English
Shandong xiongtai machinery group co., ltd.
  • home
  • About Us
  • Product
  • Video
  • Honor
  • case
  • News
  • Contact
  • Position:Home>PRODUCT KNOWLEDGE

    Heating and cooling equipment for engineering RIGS

    Release time:2019-5-28    This article is read 1728 second

    When the power supply of the main motor heater of the top drive device is normal and the main motor is not running, the heater can be started and stopped by the "motor heating" switch on the door of the PLC/MCC cabinet

    Heating and cooling equipment for engineering RIGS

    When the power supply of the main motor heater of the top drive device is normal and the main motor is not running, the heater can be started and stopped by the "motor heating" switch on the door of the PLC/MCC cabinet, and the running state can be indicated by the heater indicator light of the PLC/MCC cabinet. When PLC system is normal

    Heating and cooling equipment for engineering RIGS

    Main motor heating equipment of engineering drilling rig:

    When the power supply of the main motor heater of the top drive device is normal and the main motor is not running, the heater can be started and stopped by the "motor heating" switch on the door of the PLC/MCC cabinet, and the running state can be indicated by the heater indicator light of the PLC/MCC cabinet. When the PLC system is normal, the heater is interlocked with the main motor. If the main motor is started while the heater is working, the heater will automatically stop running. Heater cannot be started when main motor is running.

    Heating and cooling equipment for engineering RIGS

    Cooling fan for main motor of engineering drilling rig:

    The cooling fan of the top drive device is mounted on the upper end of the main motor. The switch of [fan] on the driller's operating platform reverses the "on" position and starts the main motor fan directly. The switch of [fan] reverses the "off" position to stop the main motor fan and drive cabinet fan, but the fan will not stop no matter the switch position of [fan]. [fan] switch down the "automatic" position, when the top drive system starts, automatically start the main motor fan; When the top drive system stops running, the fan will stop automatically after delay.


    Heating and cooling equipment for engineering RIGS
    The last one:Hoisting machine type 50 drilling rigNext item:Hoisting machine type 50 drilling rig

    400-0537-369

    Shandong xiongtai machinery group co. LTD
    National free sales hotline: 400-0537-369
    Seat: 0537-2339569 
    Fax: 0537-2339569
    WeChat: 15905372283
    Email address: xiongtaijx@163.com
    Address: shuyuan industrial park, qufu city, jining city, shandong province

    Mobile Station

    Copyright:Shandong xiongtai machinery group co., ltd. All rights reserved      Lu ICP 19020630 -1   公示信息

    精品国产Av无码久久久伦古装 | eeuss鲁片一区二区三区 | 成人 国产 免费观看爱豆传媒 | 欧一美一性一交一黄一片 | 欧美老妇AⅤ片AAAA片 | 日韩精品1区2区3区 在线免费观看国产视频 | 亚洲AV综合色区无码专天天夜 | 亚洲乱色AV看AV毛片果冻传媒 | 猛交XXXXX无码黑人野外大战 | 亚洲精品无码AAAAA爱的色放 | 久久国产精品波多野结衣AV | 美女脱光黄色裸体网站 | 欧美黑人精品无码久久久 | 精品国婬伦v无码久久久黑人 | 777精品久无码人妻蜜桃 | 黄色视频在线网站上免费观看不用下载 | 亚洲成A∨人片在线观看不卡 | 亚洲黄色电影免费在线观看 | 国产成人精品AA毛片 | 无码人妻一区二区三区在线神菜美 | 欧美+国产+无码+麻豆 | 天天影视色欲综合插插插 | 国产美女裸体视频网站 | 中文字幕永久哔哔免费播放 | 亚洲午夜网精品无码中字2024 | 婷婷五月天国内精品 | 精品人妻伦一二三区蜜桃牛牛影视 | 久久久成人A片免费一区二区三区 | 色欲AV网之夫妻性生活 | 91精品国产综合久久久蜜臀粉嫩 | 又大又长粗又爽又黄少妇视频 | 国产精品久久久久9999小说 | 少妇高潮精品一区二区三区 | 天天干天天操天天爽 | 又粗又长的一区二区 | 精品999久久久一级毛片 | 久久久久久久老太婆高潮 | 国产精品JIZZ在线观看99 | 西西8888www无码 | 少妇亚洲AⅤ精品一区二区 日韩AV午夜福利在线观看 | 国产红桃一区二区 |