液压起重机

The title of this design is 20 tons truck crane hydraulic system design.

本设计的题目是20吨汽车起重机液压系统设计。

The main series of product as fellows: DaiFeng brand hydraulic pipelayer(DGY10-DGY100), QUY12、QUY16 tracked crane, GPY300 hydraulic backfiller, GYD80 pipeline mobile power station and WLY80 hydraulic wheeled excavator.

主要产品有：&岱峰&牌DGY10－100型全液压履带吊管机、QUY12、QUY16型履带式起重机、GPY300型管道回填机、GYD80型管道移动电站和WLY80型轮式挖掘机。

Mounting pressure sensors on hydraulic cylinders and integrating them with electronic controls can prevent crane booms overextending.

安装在液压缸上的接口压力传感器，与电气控制整合在一起可以阻止起重机吊杆过分伸长。

The container spreader is equipped turnover hydraulic plate,so the crane driver can directly operate each turnover plate to apply the different status of the container handling operations increasing operational efficiency of spreader.

配置了可翻转的液压式导板，由起重机驾驶员直接操作每个导板翻转，以适应不同工况的集装箱装卸作业要求，提高了吊具的作业效率。

The container spreader is equipped turnover hydraulic plate, so the the crane driver can directly operate each turnover plate to apply the different status of the container handling operations increasing operational efficiency of spreader.

配置了可旋转的液压导板，有起重机驾驶员直接操作每个导板翻转，以适应不同工况的集装箱装卸工作要求，提高了吊具的作业效率。

One defective hydraulic pipe of No.2 deck crane to be removed with extra steel pipe and new joints.

二号甲板起重机的1根有毛病的液压管需拆除，用特种钢管和新接头换新。

Should system design reasonable,function superior ,safety credibility, structure tightly packed, in keeping with the 25TM TM-125 tower type derrick usage,can also conduct and actions other alone performance organization of the liquid press to drive system.

该系统设计合理，性能优越，安全可靠，结构紧凑，适合25TM——125TM塔式起重机使用，也可以作为其他单独执行机构的液压驱动系统。

Main technical parameters: hydraulic crane system task is telescopic boom (telescopic range within 10m) luffing jib (boom to change the angle with the ground) 35 ° to 25 ° between.

主要技术参数：起重机液压系统的工作任务是起重臂伸缩（伸缩幅度在10m以内）起重臂变幅（改变起重臂与地面的夹角）35°到25°之间。

Super long main boom and jib and many combinations of working condition satisfy customer's requirements in the full extend. Counterweight combinations are suitable for various working sites.

QUY650履带起重机成熟运用超起控制、双卷扬同步控制、起重臂液压防后倾控制、双腰绳起臂等关键技术，具有超强的起重性能。

QUY650 crawler crane maturely applies key techniques, such as superlift control, twin-winch synchronous control, boom backstop control and double-hitch boom rising technique with powerful lifting performance. Super long main boom and jib and many combinations of working condition satisfy customer's requirements in the full extend.

QUY650履带起重机成熟运用超起控制、双卷扬同步控制、起重臂液压防后倾控制、双腰绳起臂等关键技术，具有超强的起重性能。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。