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

    国产寡妇亲子伦一区二区三区 | 又粗又黄的视频在线观看 | renrencao超碰 | 成人免费视频 网站入口 | 色婷婷精品久久二区二区蜜 | 影音先锋xfplay色资源网站 | 午夜无码鲁丝久久久国产91 | 久久无码一区二区三区 | 波多野结衣美乳人妻HD电影欧美 | HEYZO熟女欲求不满视频精品 | 亞洲爆乳黃色A片網站 | 久久久久久国产成人a亚洲精品无码 | 亚洲一区无码精品中文字潮喷 | 亚洲AV无码乱码一区二三区 | zv中文字幕乱码在线看 | 丰满五十六十老熟女毛片 | 国产一级淫片在线观看 | 那种视频在线观看亚洲 | 四川BBBB躁少妇BBBB躁 | 成人AV一区二区三区无码金桔 | 免费无码黄网站在线看软件99 | 国产人妻精品一区二区三区秋霞 | 国精产品二三三区愉拍第5页 | 蜜臀久久99精品久久久久宅男 | 亚洲无马成人网此八一级 | 被黑人狂躁A片免费看 | 国产精品无码不卡久久 | 一本一道AV无码中文蜜桃 | 四季无码AV在线播放播放 | 影音先锋无码av在线 | 久久国产精品伦子伦网爆社区 | 国产黃色A片一段一段一段片 | 星空传媒精品黄色视频 | 清纯唯美美腿丝袜国产精品一区 | 久久综合狠狠综合久久综合88 | 91精品无码一区二区八戒 | 国产三级片在线观看视频 | 91精品久久久久久蜜桃 | 国产91清纯白嫩初高中 | 中文字幕精品一区二区三区电影 | 性高湖久久久久久久久免费 |