| 摘要 |
A supporting unit of hoisting device includes a supporting cart, which running wheels are installed on the rails, and its frame is connected to lower base of hoisting by a hinge. The hinge consists of two semicylinders, which contact with each other by flat surfaces, one of which is equipped with plain spigot, and on the second an opening is made, in which the spigot is freely located. In this case on the bogie frame and on the base of hoisting device the grooves are provided. The semicylinders are located in these grooves subject to forming the space between bogie frame and the base of hoisting device. |
