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某轮式起重机具有两轮和四轮2种转向模式,当该机从四轮转向切换为两轮(前轮)转向时,要求后轮回到中位。为了便于检测后轮是否回到中位,需在该起重机后轮安装对中检测装置,本文针对影响对中检测装置准确性的因素进行分析。1.对中检测装置工作原理该对中检测装置主要由对中杆、对中支架和行程开关组成,如图1所示。其中对中杆安装在
A wheeled crane has two wheels and four wheels two steering mode, when the aircraft switched from four-wheel steering to two (front) steering, the rear wheel required to return to the center. In order to facilitate the detection of whether the rear wheel is back to the center, the rear wheel of the crane must be installed with the centering detection device. In this paper, the factors affecting the accuracy of the centering detection device are analyzed. 1. Centering detection device working principle The centering detection device mainly consists of centering pole, centering bracket and limit switch, as shown in Fig.1. Among the pole mounted on