PDF《深海液压系统– 挑战》

9 | 2011-08-11 | | DC-IA/MKT32 | | ? Bosch Rexroth AG2011.All rights reserved,also regardingany disposal,exploitation,reproduction,editing,distribution,as well as in the eventof applications for industrial property rights. 深海动力站系统 博世力士乐深海液压系统 控制阀块 轴向柱塞马达 油箱 油缸 过滤器 泵 补偿器I 深海电控马达 补偿器II

10 | 2011-08-11 | | DC-IA/MKT32 | | ? Bosch Rexroth AG2011.All rights reserved,also regardingany disposal,exploitation,reproduction,editing,distribution,as well as in the eventof applications for industrial property rights. 深海动力站系统C压力测试 ? 测试结果显示:在模拟海底6000米环境(周围压力600 bar) 下,动力 站仍然能正常工作 博世力士乐深海液压系统

11 | 2011-08-11 | | DC-IA/MKT32 | ? Bosch Rexroth AG2011.All rights reserved,also regarding any disposal,exploitation,reproduction,editing,distribution,as well as in the eventof applications for industrial property rights. Challenges ? ambient pressure

1 bar per

10 m water depth ? equipment located in salt water ? corrosion protection is indispensable ? electro hydraulics does not work in salt water ? avoid water penetration at all costs ? diagnosis of operating conditions Deep water hydraulics C challenges and solutions Bosch Rexroth Deep Water Hydraulics

12 | 2011-08-11 | | DC-IA/MKT32 | ? Bosch Rexroth AG2011.All rights reserved,also regarding any disposal,exploitation,reproduction,editing,distribution,as well as in the eventof applications for industrial property rights. Bosch Rexroth Deep Water Hydraulics Deep sea crawler ?

23 control manifolds ?

27 cylinder axes ?

7 hydraulic motors

13 | 2011-08-11 | | DC-IA/MKT32 | ? Bosch Rexroth AG2011.All rights reserved,also regarding any disposal,exploitation,reproduction,editing,distribution,as well as in the eventof applications for industrial property rights. Bosch Rexroth Deep Water Hydraulics Hydraulic oil reservoir Sea water Spring ensure pressure difference to

1 bar ? medium separation ? absolute pressure in the reservoir is

1 bar Benefits of pressure compensation: ? design pressure is '

'

only'

'

the hydraulic pressure, not the static pressure ? seals are less complicated

14 | 2011-08-11 | | DC-IA/MKT32 | ? Bosch Rexroth AG2011.All rights reserved,also regarding any disposal,exploitation,reproduction,editing,distribution,as well as in the eventof applications for industrial property rights. Bosch Rexroth Deep Water Hydraulics Solutions C corrosion protection ? use of sea water protected components ? stainless steel fittings and minimess ? special paint: ? 1st layer = Amerlock

400 aluminum

100 - 120? ? 2nd layer = Amerlock

400 color

100 - 120?

15 | 2011-08-11 | | DC-IA/MKT32 | ? Bosch Rexroth AG2011.All rights reserved,also regarding any disposal,exploitation,reproduction,editing,distribution,as well as in the eventof applications for ........