无线遥控抓斗（液压系统全球联保）
是一种能在空中打开的新型单绳抓斗。它既有绳索抓斗结构简单、使用可靠的特点，又有动力式抓斗生产效率高的特点，它的出现改写了普通单绳抓斗生产效率低的历史。
它广泛应用于船舶、港口中、车站、工厂、矿山等物料搬运单位。它是煤炭、矿粉、散化肥、黄砂等散货装卸的理想工具。
无线遥控抓斗可以在高温、严寒、粉尘、雨天等环境下工作而其性能不受影响，抓斗遥控距离可达50米以上，抓斗采用了高性能蓄电池，每次充电后，抓斗可连续作业100小时以上,工作原理是：利用电池打开电池阀，让液压系统开始工作。
Wireless remote control grab is a newtype sing letypesingle type can open in the air without any additional energy,It has hoth the advantages ofsimple structureand terminates the low effieciencyof single rope grabin hoisting and transiting.
This grab is widely used inship,port,railway materials(ave.granulation 30mm max 100mm) station,factory,mine and other transport departments,It isan ideal toolin handing bulk car gosuch as coal,orepowder,fertilizer and sand.This grab can be operated well under circumstance of high temperature.Severe cold,dust and rain.There mote distance is more than 50 metres,Thegrab has built-incharger and high efficiency,battery,canoperate. (the hydraulic system is global services)
遥控抓斗工作原理概述
当抓斗打开时，滑移座与上承梁接触而与下承梁是完全分开的。此时电磁换向阀关闭，由于油缸的活塞杆与滑移座固接，缸筒与下承梁固接，所以此时油缸活塞杆完全伸出。当要抓取货物时，起重机吊索下降，由于油缸活塞可单向导通，所以油缸活塞杆能够收缩，滑移座随之下降。当油缸活塞杆完全收缩后，滑移座也完全落下。然后起重机吊索上升，滑移座随之上升，由于油缸的电磁阀处于常关闭状态，此时，油缸有杆腔被锁住，在滑轮组的作用下，滑移座上升带动下承梁渐渐向上，同时带动颚瓣闭合，并抓取物料。
When grab is open, slip block is touching the up beam but it is totally separate with the down beam.Electromagnetic exchange valve is closed at this time. The piston rod of the cylinder and then slip block, and cylinder is firmly jointed together with the down beam, sothe piston rod of the cylinder is fully extended at this time.When the grab is to grab the bulk, crane sling declines and the cylinder is pulled back as the piston rod of the cylinder can be in directed movement，and then the slip block declines.After the piston rod of the cylinder is in complete contraction, slip blocks are totally fallen down.Then the sling of the crane is raised to lead the slip block up. As the electromagnetic valve of cylinder is always closed and the rod end chamber of the cylinder is locked, with the pulley, slip block rises to drive the down beam to up,at the same time; the jaws are closedrod end chamberand grip materials. |
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