crown block

[kraun blɔk]
  • crown block
  • 释义

    定滑轮;天车;

纠错 数据更新时间:2026-01-11 14:32:01
1、

The derrick man, positioned at the crown block, is to advise the driller when the snake is coming through the crown sheave.

井架工看守在天车上,当蛇皮接绳器到达天车时,通知司钻。

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2、

The problems of process design of penetration fillet weld of crown block track girder

天车轨道梁熔透角焊缝工艺设计的几个问题

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3、

Rig derrick is one of the most important equipment in hoist system. People can install crown block and hang tackle, hoisting hook and special tools on it.

石油井架是钻机起升设备的重要组成部分之一,起着安放天车,悬挂游车、大钩及专用工具的重要作用。

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4、

The text detailedly introduced crown block, running system, availability work period of bridge girder erection equipment and improve case for precast beams install.

详细介绍了对双导梁式架桥机天车、行走系统、有效工作长度及预制梁安装就位的改进情况。

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5、

Our company to provide users with drilling and workover various models of the crown block.

我公司为用户提供修井和钻井用各种型号的天车,规格齐全、配套完善。

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6、

The utility model is composed of a crown block, rolling wheels, a track, a spring, wire ropes and a case.

它由定滑轮、滚动轮、轨道、弹簧、钢丝绳、壳体构成。

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7、

Crown block scheduling is particularly important for the surface treatment industry of aluminum material and its strategy is directly related to the production cost, production efficiency and core competitiveness of enterprise.

天车调度对于铝型材表面处理行业尤为重要,该策略直接关系到企业的生产成本、生产效率和核心竞争力。

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8、

Improved design on single hammer type anticollision crown block device

重锤式防碰天车装置改进设计

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9、

Development and Application of the Model FP ⅱ Collide proof and Autocontrol System for Crown Block

FP-Ⅱ型天车防碰自动控制系统的研制与使用

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