栈桥(Trestle Roller)
固定的非驱动车轮，无法转向。它由一个轮架和一个轮组成。U形轮架以栈桥形式构造，同时用作可拧紧板，用于将轮单元与车辆底部连接。轮胎通常由塑料或实心橡胶制成，具有高承载能力。栈桥压路机用于压路机平台，与转向压路机结合使用的压路机托板以及可移动的装载设备。
英文介绍
Fixed, non-driven wheel unit that cannot be steered. It consists of a wheel mount and the wheel. The U-shaped wheel mount is constructed in trestle form and serves at the same time as screwable plate for the connection of the wheel unit with the truck bottom. The tyres are normally made of plastic or solid rubber and feature high carrying capacity. Trestle rollers are used in roller platforms, roller pallets in combination with steering rollers and in moveable loading devices.