人妻中文字幕在线观看,国产一区二区三区久久久久久久久,免费无码婬片AAAA片软件,密桃Av噜噜一区二区三区网址,囯产精品久久久久久久久久三级
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


免费少妇红A级毛片 | 波多野结衣AV无码在线观看 | 欧美三级片在线视频 | 欧美日本三级片99 | 另类老妇奶性BBWBBw | 精华狠狠久久痉挛 | 91拍真实国产伦偷精品 | 蜜乳AV少婦中年豐滿一区二区 | 在线观看黄A片免费网站 | www.性呦呦呦 | 懂色aⅴ一区二区三区免费 人妻体内射精一区二区三区 | 不卡高清无码日韩av蜜乳 | 无码av亚洲一区二区毛片公司 | 久久久三级区无码精品 | 久久精品国产亚洲av无码麻豆 | 扣出水流白浆逼嫩逼骚逼网站高潮 | 无码免费一区二区三区 | 日欧 片内射yy插插插 | 成人AV中文解说水果派 | 国产一级免费av | 東北老熟女黃色A片 | 国产成人无码无套内射 | 99久久人妻无码精品系列涩谷 | av在线观看免费 | 国产无吗又粗又长又硬又爽 | 特级西西444www无码视频免费看 | 可以再找观看av | Av网站在线可以观看 | 91精品少妇一区二区三区蜜桃臀 | 蜜桃又粗又爽成人www网站 | 亚洲高清在线观看 | 国产一区二区不卡 | 日韩国产一区二区三区 | 亚洲无码视频播放 | 老熟女伦av88 | 国产特级毛片A片WWW | 99久久国产黄色视频 | 久久久久成人综合网 | 2019日本不卡二区最新视频 | 国产一区不卡免费 | 91在线无码精品秘 入口男同 |