A simple pulley system. If you have ever looked at the end of a crane, or if you have ever used an engine hoist or a come-along, or if you have ever looked at the rigging on a sailboat, then you have seen a block and tackle at work. A block and tackle is an ...
A block and tackle are known to be a system of two pulleys hung via a rope or thread. In fact, two or more pulleys are hung with the same string that is threaded along with them. The primary goal is to lift heavy blocks or items that are unable to be lifted otherwise.Want to ...
1 structural model of pulley system | translation 1 : 2 structural model of pulley system | translation 1 : 3 structural model of pulley system | translation 1 : 4 input data for block and tackle pulley system correct and incorrect modeling of boundary surface of contact solid finished ...
权威英汉双解 英汉 英英 网络释义 block-and-tackle n. 1. 滑轮组;滑车组a piece of equipment for lifting heavy objects, which works by a system of ropes and pulleys (= small wheels around which the ropes are stretched) 释义: 全部,复滑车,滑车组...
4.A substance, such as wood or stone, that has been prepared for engraving. 5. a.A pulley or a system of pulleys set in a casing. b.An engine block. 6.A bloc. 7.A set of like items, such as shares of stock, sold or handled as a unit. ...
block and tackle noun 语法 A system of two or more pulleys (the tackles) each enclosed by a housing (the block) with a rope or cable threaded between them, usually used to lift or pull heavy loads. [..] + 加 英文-挪威博克马尔文字典 Talje system of two or more pulleys I ...
Once the system is riven, tie a knot at the end of the rope to secure it. To use the block and tackle, fix the standing block to a point, and attach the moving block to whatever you want to move. By pulling on the rope, you will shorten the distance between the two pulleys becau...
吊杆滑轮组boom tackle 双滑轮组twin pulley block 吊钩滑轮组hook assembly 双语例句 1. I finally hoisted him up with a block and tackle. 我最终用滑轮组把他拉了上去。 —— 柯林斯例句 2. A pulley or a system of pulleys set in a casing. ...
The lifting device has guide pulley mechanism (3) fixed on the crane and a block and tackle (4) with housing (41) and first load hook (47). The housing can be fixed on the crane side by a locking device (7) mounted on the housing which contains cable pulleys (42, 43) which are...
A block and tackle or only tackle is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.The pulleys