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
KG920B semi-hydraulic medium wind pressure open-air crawler drilling rig

KG920B type open-air drill rig on the basis of KY125 drilling rig, optimize and upgrade the hydraulic system, drill arm parts, walking components, Increase power (YC4D80) climbing ability is stronger, more reasonable drilling angle,faster rotation speed and advancing speed,longer motor service life,better reliability.


KG920B Open-air  drilling rig technical parameters:
Rock hardness f=6-20 Weight 4200kg
Drilling diameter φ80-115mm Dimension 4400x2200x2050mm
Economic drill deep 20m Carriage elevation angle bow 135°upward 5°total145°
Rotating speed 0-70r/min Carriage swing angle left 100° right 45°total145°
Rotating torque 1400N.m Drill arm elevation angle left50°right 25°total75°
Lifting power 15000N Drill arm swing angle left 44° right 45°total89°
Propulsion mode cylinder-chain Carriage compensation 900mm
Feeding stroke 3000mm Power YC4D80（58kW 2400r/min）
Working speed 0-1.8km/h Drill rod φ64x3000mm
Gradeability 30° Working Pressure 1.0-1.7MPa
Ground clearance 290mm Capacity 9-16m3/min
Improvement comparison
KG920B 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 330 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) improve50%
Fltting speed 450mm/s 336mm/s improve33%

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


潘金莲裸体午夜理伦A片 | 五十近親相姦親子 | 国产无线乱码一区二三区果冻传媒 | 7777色情网黄A片免费看蜜臀 | 国精产品一二三区美女黄污污污 | A∨色狠狠一区二区三区 | 蜜臀久久99精品久久久久久酒店 | 国产无码免费视频 | 女人又爽又黄A片免费看少妇内谢 | 孕妇91内射在线观看 | av在线免费网站 | 无码人妻精品一区二区蜜桃在线看 | 亚洲 丝袜 国产 精品 91 | 性一交—乱一性一A片在线播放 | 欧美精品一区二区三区在线视频 | 精品久久久久成人无码免费动漫 | 中文人妻熟妇乱又乱精品 | 红桃视频成人A片免费播放 国产91足控脚交在线观看 | 丰满老妇高潮一级A片 | 少妇人妻一级A毛片无码 | 国产黄色视频免费观看 | 国产熟女高潮一区二区三区 | 孕妇91内射在线观看 | 农村婬乱A片免费看 | 国产AV一区二区三区 | 日韩精品在线免费视频 | 中文字幕在线第一页 | 亚洲国产精品无码久久影院 | 黄片手机在线观看 | 午夜精品久久久久久久99老熟妇 | 少妇熟女视频一区二区三区 | 91狠狠色综合久久久夜色撩人 | 蜜桃av秘 无码一区三区 | 琪琪午夜伦伦电影理论片精东 | A片试看120分钟做受图片 | 日韩不卡视频在线观看 | 欧美黑人群交在线观看 | 人妻少妇看A片偷精品视频天美 | 在线亚洲AV无码秘 蜜桃医院 | 无码人妻精品一区二区三区9厂 | 人妻熟女aⅴ一区二区三区汇编 |