简易吊箱的构造很简单,它是一个木制的箱子,上面开口,四角上系以钢丝绳,悬吊于过河(?)道上的滑车下面,依靠滑车在过河缆上运行带动吊箱进行工作。箱的大小以能容一个人和应用的流速仪,泥沙采样器和水样桶若干个为准。吊箱运行可以采取各种方式:最简单的是人在吊箱上直接拉过河缆使吊箱进退,但须注意勿使滑轮轧着手,另一种方法是装上一根循环索,用木绞 Simple structure of the box is very simple, it is a wooden box, the top of the opening, tied to the four corners of the wire rope, hanging over the river (?) Road under the tackle, relying on the tackle in the river cable drive on the crate jobs. The size of the box to allow a person and the application of the flow meter, sediment sampler and a number of water samples shall prevail. Lifting cages can take a variety of ways: the simplest is the person in the cofferdam directly across the river to make the coffer forward and retreat, but be careful not to roll the pulley, the other is to install a loop cable Wood twist