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


特西西人体门四WW高清 | 国产乱妇无乱码大黄AA片第1集 | 91精品无码少妇a 6 2v久自慰 | 国產真人亂伦AV免费看网站 | 蜜桃又粗又爽成人www网站 | 亚洲另类偷窥精品熟女少妇AV | 国产精品久久久久久裸体 | 91看看免费福利1000 | 国产黄片偷情在线观看麻豆传媒 | 亚洲精品中文字幕在线观看 | 少妇水多A片太爽了 | 成人片毛片A片免费网站小说 | 西西人体大胆www仙人掌 | 鲁大师成人A片免费高清 | 午夜妇女AAAA区片 | 17c人妻无码一区二区三区 | 91嫖妓站街按摩店老熟女 | 俄罗斯性猛交ⅩXXX乱大交 | 人妻少妇精品无码专区二区 | 欧洲精品无码一区二区三区在线 | 国产一级黄片免费观看 | 无码中文字幕一区二区三区久久 | 夜夜穞天天穞狠狠穞牛牛影视 | 久久久亚洲欧洲日产国码αv、、 | 极品少妇无码高潮喷 | 欧一美一性一交一乱一性一 | 国产乱子子伦精品视频 | 亚洲精品国产一区二区色欲影院 | 情趣网站在线观看永久 | 色婷婷一区二区三区久久午夜成人 | 歐美婦女搡BBBB搡BBBB搡 | 日韩人妻无码精品毛片蜜桃A丫 | 一级a一级a爰片免费免三的APP | 国产喷白浆一区二区三区动漫 | 蜜臀色欲AV无码人妻 | 全黄做爰100分钟视频 | 久久人搡人人玩人妻精品l演员表 | 欧美熟妇特黄视频播放 | 国产性一乱一性一伧下载 | 性生交大片免费看A片直播 老牛A片在线精品免费观看 | jiqingxiaoshuo综合婷婷|