derrick mast是什么意思 derrick mast在线翻译 derrick mast什么意思 derrick mast的意思 derrick mast的翻译 derrick mast的解释 derrick mast的发音

起重把杆，起重桅；

1. 扒杆：derrick lighter 起重驳 | derrick mast 扒杆 | derrick post 吊杆柱

2. derrick mast

2. 起重桅：derrick mast 吊货杆桅 | derrick mast 起重桅 | derrick pendant 吊货索

3. 吊货杆桅：derrick lighter 起重船 | derrick mast 吊货杆桅 | derrick mast 起重桅

4. 井架：基础养护 concret foundation curing | 井架 derrick; mast | 塔形井架 pyramid mast

1. The fixed set of pulleys located at the top of the derrick or mast, over which the drilling line is threaded.
    位于重型井架或桅架式井架顶部的固定的滑轮组，通过该滑轮组钻井钢丝绳进行穿绳。

2. One of the rig crew members who gets his name from the fact that he works on a platform attached to the derrick or mast, typically 85 ft [26 m] above the rig floor, during trips.
    钻井队的成员之一，井架工名字的由来起源于起下钻时他工作在与井架或桅式井架连接在一起的一般距离钻机平台有85英尺高的平台上。

3. 911查询·英语单词

3. In a typical trip out of the hole, the derrickman wears a special safety harness that enables him to lean out from the work platform to reach the drillpipe in the center of the derrick or mast, throw a line around the pipe and pull it back into its storage location until it is time to run the pipe back into the well.
    在典型的起钻过程中，井架工系上特殊的安全带，这样能够使他从工作平台上倾斜去接近位于井架或者桅架中央的钻杆，扔一根绳子去缠绕钻杆，然后拉动钻杆到其存储的位置，直到再把这些钻杆下入到井眼时为止。

4. Of bridge could be improved Truss lifting tool adopts for derrick mast hoist that had been made by our unit, readymade member will be lifted and positioned. It is of the feature of simple construction equipment and quick construction progress and a potential of popularization.
    桁架部分采用自制的人字扒杆吊机作为吊具，将预制的构件吊起进行悬臂拼装就位，施工设备简单，进度快，具有一定的推广潜力。

5. Can in the circular place and its sky homework, much used for open-air pack to unload and install etc. work, have a derrick and float to swim a derrick, mast derrick, wall a line derrick and the deck derrick etc. s.
    可在圆形场地及其上空作业，多用于露天装卸及安装等工作，有门座起重机、浮游起重机、桅杆起重机、壁行起重机和甲板起重机等。

6. Derrick on Tianlun and rope set up the runway, the installation of hoists, winches double (3t) double rope traction, transport staff and lining materials; hoists the runway with a winch (2t) to tighten, In addition, the site symmetry at the bottom of the derrick cantilever mast for two, with two winches (3t) upgrading of materials, two separate winch (1t) Luffing operation.
    井架上设天轮和钢丝绳跑道，装置吊笼，用双卷扬机（3t ）双绳牵引，运输人员和内衬材料；吊笼跑道用一台卷扬机（2t ）收紧，另外，在井架底部对称部位设悬臂桅杆两台，用两台卷扬机（3t ）提升物料，另设两台卷扬机（1t ）变幅操作。

7. Finite element calculation of no guy wire mast type offshore derrick
    无绷绳桅形海洋井架的有限元计算结果分析

8. Finite element analysis of a mast type derrick of 80 t offshore workover rig is carried out.
    对80t海洋修井机井架进行了有限元计算。

9. danci.911cha.com

9. The frame of mast derrick that is designed for hydraulic wheel tractor hoist adopt welding of armor plate, its section is oblong armor plate, and its material is HG60.
    为满足液压轮式通井机的使用要求而设计的桅杆式井架采用板焊结构，主体截面为长方形的方形钢，材料为HG60。

10. derrick mast

10. Wind force is a main external force acting on the ship and is effec-ted by ship body, the form and the position of the Superstructure and the deck outfit (main mast, signal mast, derrick, ventilator and so on).
    风压力是作用于船舶上的主要外力，其大小受船体和上层建筑的形状，位置及大桅，吊杆，通风筒等甲板舾装件的影响。

11. Do not leave pipe or collars that are not in use standing in mast or derrick.
      不许在井架上排放用不着的钻杆和钻铤。

12. Do not throw objects off the floor, mast or derrick.
      不允许从钻台上或井架上，往下乱扔东西。

13. derrick mast

13. So it is more accurate, scientific and reasonable that the dynamic response analysis is conducted to ensure that the derrick mast design and safety assessment.
      因此对井架进行动态响应分析才能确保井架设计与安全评估更准确、更科学合理。

14. Tools carried into the derrick or mast should be secured to the body.
      带到井架上的工具应当绑在身上。

15. danci.911cha.com

15. Calculation and stress test on 720 kN mast derrick
      720kN桅杆式井架的设计计算和应力测试