本发明涉及一种海洋工程勘察倍速加压长行程给进系统,包括两个滑车总成,每个滑车总成包括:油缸、滑车架、起拔轮组件及加压轮,油缸筒固定设置,滑车架下部固定板可沿油缸筒滑动,油缸杆体在伸出时可带动滑车架沿油缸筒滑动,两个滑车板顶端通过两块上夹持板设置有起拔轮组件,两个滑车板底端分别通过一对下夹持板设置有一个加压轮。本发明的倍速加压长行程给进系统可实现升沉补偿架在竖直方向上的精准给进,能够在作业时加压或减压,不需要额外的动力供应,具有长行程,重心下移,低位承载等优点,结构稳定可在作业时快速起下钻,防止油缸杆体长行程伸出时滑车架扭矩过大对井架造成损害,满足中小型勘探船舶的稳定性要求。
The invention relates to an ocean engineering investigation multi-speed pressurizing long-stroke feeding system which comprises two tackle assemblies, each tackle assembly comprises an oil cylinder, a tackle frame, a pulling wheel assembly and a pressurizing wheel, an oil cylinder barrel is fixedly arranged, a fixing plate on the lower portion of the tackle frame can slide along the oil cylinder barrel, and an oil cylinder rod body can drive the tackle frame to slide along the oil cylinder barrel when stretching out. The top ends of the two tackle plates are provided with pulling wheel assemblies through two upper clamping plates, and the bottom ends of the two tackle plates are each provided with a pressurizing wheel through a pair of lower clamping plates. According to the multi-speed pressurization long-stroke feeding system, accurate feeding of the heave compensation frame in the vertical direction can be achieved, pressurization or decompression can be achieved during operation, extra power supply is not needed, the multi-speed pressurization long-stroke feeding system has the advantages of being long in stroke, downward in gravity center, low in position bearing and the like, the structure is stable, and rapid tripping can be achieved during operation; damage to the derrick caused by overlarge torque of the pulley frame when the oil cylinder rod body extends out for a long stroke is prevented, and the stability requirement of small and medium-sized exploration ships is met.
一种海洋工程勘察倍速加压长行程给进系统
2023-11-07
Patent
Elektronische Ressource
Chinesisch
IPC: | B66D Haspeln , CAPSTANS |