The building hoist electric hoist is an electric hoist that plays an important role in the construction of the national economy. At present, the establishment of every high-rise building is inseparable from the use of the building group hoist electric hoist. The application in climbing frame is also very extensive. The group hoist is an advanced hoisting equipment. As long as we use it correctly in our work, there will be few failures. In addition, the quality problem of the group hoist electric hoist itself is also It plays an important role. The following teaches you how to test the quality of the group crane electric hoist: first, after the group crane electric hoist is connected to the power supply, press the up, down, left, and right direction buttons to observe the operation, no abnormal noise, and good walking conditions. After adjusting the group hoist electric hoist, run it again. The smaller the distance, the better the quality of the group hoist electric hoist. Observe whether there is any braking sound when the electric hoist of the group crane stops during ascent and descent. If the chain slides after stopping, it means that the friction plate is not installed properly or is too loose. You can test the product according to these points.