Manual Single-beam Crane is configured by crane span structure, cart driving device and manual monorail car and other major parts. 手動(dòng)單梁起重機系由橋梁，大車(chē)傳動(dòng)機構，手動(dòng)單軌行車(chē)等主要部分組成，大車(chē)行車(chē)及貨物起重均用手拉鏈條驅動(dòng)。
If the site is small, it may be commanded by a gantry crane. 假如場(chǎng)地小，則可采用龍門(mén)式吊車(chē)進(jìn)行操作。
One difficulty in every building for heavy industry is the arrangement of the supports for an overhead crane. 重工業(yè)的所有廠(chǎng)房均存在一個(gè)困難問(wèn)題，即如何布置橋式吊車(chē)的支承結構。
