挂墙架空安装暖气片时,栽托钩的工程量较大,且用砂浆堵洞,还需等待硬化一段时间后,方能进入下一道工序。如果托钩位置的误差较大,还要返工。下面介绍一种带扣的托钩。右图是一种带扣膨胀式托钩,膨胀螺栓的规格尺寸如表1所示。 When the wall-mounted overhead radiator is installed, the projected amount of the planting hook is large and the hole is plugged with mortar. After waiting for a period of time to harden, it can enter the next process. If there is a large error in the position of the hook, it must be reworked. The following describes a buckle with a hook. The right figure shows a buckle-expandable hook. The dimensions of the expansion bolt are shown in Table 1.