Hydraulic Tunnelling Drilling Rig
KJ421 Hydraulic Tunnelling Drilling Rig(Secondary
Dimensions (L*W*H mm)
13000×2200×2400/3100
Weight（kg）
22000
Φ Aperture(mm)
42-102
Power（Kw）
21/22
Gas Production(m3/min)
2*0.3
Gradability(°）
14
sales hotline
Get a quote
product details
Technical Parameters
KJ421 Hydraulic Tunnelling Drilling Rig(Secondary

Drill the blast hole and rock bolting in a vertical,inclined and horizontal way;Suitably qualified for the drilling of tunnels whose section falls in the range of 16-68m².

  • The firm flexible boom is capable of optical coverage of the section;
  • 360º rotation and self-leveling beam make drill positioning easy;
  • The boom can also be used for the drilling of lateral cross-cut and rock bolting;
  • The drill rig provides a good view for the operator;
  • Balanced layout and the articulated chassis of four-wheel drive ensure the flexible,fastand safe driving in the narrow tunnel;
  • The stepped piston is used for the high-frequency impacting rock drill and this can improve the transmission efficiency of impact wave and drilling speed and reduce the consumption of drilling tools and make it in good condition;
  • Considerable space and automatic functions enable the driver to concentrate on drilling in a safe,fast and accurate manner;
  • All the relevant parts are kept in good protection,meanwhile easy to maintain.
  • It can be equipped with an enclosed cab selectively.
Technical Parameters
* Note: Due to continuous technological updates and advancements, any differences between technical parameters and configurations and the actual product shall be based on the actual product delivered; Additionally, the machine shown in the picture may include additional equipment.
Sales hotline
Hi! I've been waiting for you
for a long time!
4008700207
Free access
Please fill in the following information we will contact you with in 24
hours, please keep the phone open!
主站蜘蛛池模板： 国产精品亚洲专区无码web| 日韩一区二区三区高清电影| 天堂а在线中文在线新版| 精品无码av一区二区三区| 中国杭州少妇xxxx做受| 小??戳进?无遮挡cos| 无翼乌工口肉肉无遮挡无码18| 色婷婷香蕉在线一区二区| 国产精品怡红院永久免费| 国产人成高清在线视频99| 黑人玩弄漂亮少妇高潮大叫| 99久久99久久免费精品蜜桃| 永久免费无码国产| 久久人人做人人爽人人av| 亚洲一区二区色一琪琪| 日本无遮挡吸乳呻吟视频| 亚洲精品久久久久久下一站| 久久国产偷任你爽任你| 特级毛片内射www无码| 国产精品福利视频萌白酱 | 国精一二二产品无人区免费应用 | 国产内射合集颜射| 国产精品户露av在线户外直播| 成年免费视频黄网站zxgk| 网友自拍露脸国语对白| 无码人妻一区二区三区在线视频| 日本夜爽爽一区二区三区| 特级国产午夜理论不卡| 国产无遮挡A片又黄又爽小直播 | 两个男人吮她的花蒂和奶水视频| 中文字幕av无码免费一区| 人妻系列无码专区无码专区| 粗大的内捧猛烈进出视频| 狠狠cao日日橹夜夜十橹| 97se亚洲综合自在线| 久久综合av免费观看| 日日噜噜夜夜狠狠视频免费 | 久久国产乱子伦精品免费女人| 欧美乱妇高清无乱码在线观看 | 欧洲亚洲精品久久久久| 久久国内精品一区二区三区|