四虎视频成人版黄A片,日韩 av 抽插 蜜桃,在线精品亚洲欧美日韩国产,无码av亚洲一品精品老司机,国产美女裸体视频永久免费无遮挡
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


国产老熟女伦老熟妇露脸 | 边添小泬边狠狠躁日韩资源 | 国产精品久免费的黄网站 | 久久久久久AV无码免费网站动漫 | 亚洲欧美国产高清vA在线播放 | 欧美最婬乱婬爆婬性视频 | 久久国产精品波多野结衣AV孕妇 | 丰满少妇一级A片免费 | 免费污视频在线观看 | 亚洲AV成人无码久久精品麻豆 | 在线观看AV三级片无码国产 | 最近日本中文字幕中文 | 国产成人AV无码一区二区三区 | 国产精品v欧美精品v日韩 | 亚洲色图欧美性爱1区2区 | 亚洲天堂在线2020 | 久久久久久久老太婆高潮 | 国产午夜视频在线看 | 可以直接观看的黄色视频 | 久久成人国产精品秘 入口 91看看免费福利1000 | 亚洲美女高潮久久久久 | 国产精品成人AAAA在线 | 醉酒睡熟迷奷合集magnet | AV成人永久免费看片本色 | 国产无套粉嫩白浆内精91漫画 | 欲妇荡岳丰满大乳无码久久久久 | 特级婬片一级A片粉色视频 真实的国产乱XX熟妇免费 | 国产黄片免费在线观看 | 久久国产精品久久国产精品 | 久久久久久久久福利视频 | 四川一级特黄A片免费 | 少妇搡BBBB搡BBB搡毛片 | 国产欧美大屁股喷水无码视频 | 一区二区在线观看视频 | 99久久久久久久久久 | 国产精品成人aaaa在线 | 精品人妻一区二区三区缅甸 | 婬乱丰满熟妇XXXXX性91 | 午夜精品久久久久久久 | 人妻丝袜中文字幕在线 | 绿帽3p视频一区二区三区 |