启闭机载荷试验方法
Load test method of hoist
1、启闭机操作人员必须掌握启闭机的结构、性能与操作方法，并有一定的机械知识，以确保机器的正常运转。
1. The operator of the hoist must master the structure, performance and operation method of the hoist, and have certain mechanical knowledge to ensure the normal operation of the machine.
2、操作前，对起闭机进行全面检查，个部位润滑情况是否良好，螺栓有无松动。
2. Before operation, conduct a comprehensive inspection on the hoist to see if the lubrication of each part is good and whether the bolts are loose.
3、当启闭机运转时，操作人员不得离开现场，发现问题立即停机。
3. When the hoist is in operation, the operator shall not leave the site and stop the machine immediately if any problem is found.
4、对机器进行维修时，必须清除载荷。
4. When repairing the machine, the load must be removed.
5、在使用时,需随时由注油孔注入润滑油，要经常保持足够的润滑油，螺杆要定期清除油垢，涂护新油，以防锈蚀。
5. In use, it is necessary to inject lubricating oil from the oil injection hole at any time, and keep enough lubricating oil. The screw rod should be regularly cleaned of oil dirt and coated with new oil to prevent corrosion.