成熟妇人A片免费看网站,四川少妇丰满A级毛片免费看,久久99久久99精品免视看婷婷,无码人妻一区二区三区蜜桃视频
KG series semi-hydraulic open-air crawler rig
KG920A semi-hydraulic medium wind pressure open-air crawler drilling rig

KG920A type open-air drill rig on the basis of KY125 drilling rig, optimize and upgrade the gas circuit system, hydraulic system, drill arm parts, walking components, climbing ability is stronger, more reasonable drilling Angle,faster rotation speed and advancing speed,longer motor service life,better reliability.


KG920A Open-air  drilling rig technical parameters:
Rock hardness f=6-20 Weight 4000kg
Drilling diameter φ80-115mm Carriage elevation angle bow 135°upward 5°total145°
Economic drill deep 25m Carriage swing angle lift 100° right 45°total145°
Rotating speed 0-70r/min Drill arm elevation angle bow 50°upward 25°total75
Rotating torque 1400N.m Drill arm swing angle lift 44° right 45°total89°
Lifting power 15000N Carriage compensation 900mm
Propulsion mode cylinder-chain Power YC2108(33kW 2200r/min)
Feeding stroke 3000mm Drill rod φ64x3000mm
Gradeability 30° Working Pressure 1.0-1.7Mpa
Ground clearance 290mm Capacity 9-16m3/min
Improvement comparison
KG920A KY125 Notes
Walking components motor+gear reducer structure Steel motor direct Reduce the motor pressure, improve motor lifetime
Walking  pressure 11MPa 14-16MPa
Drill arm components new drill arm Horizontal, vertical hole at the same time;Horizontal hole height is low
Hydraulic system 30 pump; Drift diameter new valve group; New diverter valve, using new type of joint. 19.2pump Increasing traffic,reduce drag,neat appearance
Air course system

movable valve type shock valve

spherical valve well operation
Rotating speed 83r/min(diesel 1700r/min)
107r/min(diesel 2200r/min) 		55r/min(1700r/min) improve 50%
Fltting speed 450mm/s 336mm/s improve 33%

LGCY-13/13Diesel portable screw air compressor

☆Working pressure:1.3MPa

☆Capacity:13m3/min

☆Motor Power ranger:132kW

>>Click to view data for details


LGCY-13/17Diesel portable screw air compressor

☆Working pressure:1.7MPa

☆Capacity:13m3/min

☆Motor Power ranger:158kW

>>Click to view data for details


近親相姦中出し親子伦 | **夜色精品国产欧美乱 | 少妇 水www影院 | 亚洲一区二区三区无码久久 | wwwav免费看 91精品无码少妇 | 久久国产乱子伦精品一区二区红桃 | 国产高清无码视频 | 午夜伦伦电影理论片A片结婚前夜 | 国产精品久久久久久亚洲影视 | 蜜桃AV鲁一鲁一鲁一鲁樱花影院 | 日韩精品无码久久久久成人 | 91人妻人人澡人人爽人人精品 | 国产精品视频一区二区竹菊蜜乳 | 少妇做爰毛片免费看视频一区二区 | 欧美成人A片在线观看 | 性受 XXXX黑人XYX性爽 | 91无码人妻一区二区成人AⅤ | 国产精品久久久久久AV中晋 | 精品人妻无码一区二区三区蜜桃一 | XxX仙踪林精品国产 妃光莉 一区二区三区 | 国模无码一区二区三区视频 | 精品人妻少妇aV无码专区 | 肉岳疯狂69式激情的高潮视频 | 免费无码婬片AAAA片小说直播 | 无套内谢少妇免费 | 人与拘一级a毛片 | 国产又大又黄的视频 | 无码人妻精品一区二区三区潘金莲 | 中文字字幕一区二区三区四区五区 | 中文字幕av久久爽一区 | 欧美亚韩一区二区三区 | 亚洲日韩精品秘 在线观看 四川美人搡BBw搡BBw | 少妇bbw搡bbbb搡bbbb | 黄色视频免费链接 | 国产成人精品一区二区三区四区 | 亚洲福利在线观看 | 狠狠色7777久夜色撩人Ⅰ | 四川少妇BBBB搡BBB搡小说 | 精品一区二区三区四区 | 特级肥婆BBBBBBBBB视频 | 日本中文字幕电影 |