What are the phenomena that need to be improved in the process of crane work... What are the phenomena that need to be improved in the process of crane work to avoid 'unintelligible' in the process of crane work. The crane is horizontally framed over the workshop, warehouse and material yard for materials Lifting equipment for lifting. Because its two ends are located on tall concrete columns or metal supports, it is shaped like a bridge. Operational safety management system 1. It is strictly forbidden to drink alcohol before and during shifts. The operation must be full of energy and concentration. 2. The operator should conduct routine inspections before using the vehicle. If the device and parts are found to be abnormal, they must be eliminated before use. 3. Before driving, you must ring the bell or report to the police. When driving close to people during operation, an intermittent ringtone should also be given. Non-driving operators are not allowed to enter the driving cab casually. When there are two people working on the train, they are not allowed to drive the train without prior notice and contact with each other. If you encounter a sudden power failure during work, you should return the controller handle board to the zero position. Before restarting work, you should check whether the driving is intact before you can use it. When a heavy object is suspended in the air due to a power failure, the operator should make the ground personnel give way in an emergency. Under circumstances, when lifting heavy objects are not allowed to pass above people, and there is no operator under the boom for maintenance, the main power supply should be cut off and a sign should be hung up. The bridge frame of the construction hoist
runs longitudinally along the tracks laid on the elevated bridges on both sides, and the space under the bridge frame can be used to lift materials without being hindered by ground equipment. It is a kind of hoisting machinery that is widely used and large in quantity. Hanging in the air has a graceful posture, but there are also malfunctions. In use, it is easy to cut off the power, sometimes sparks are generated in the transmission conduit, and in severe cases, the sliding contact line is shot, causing the current collector to be replaced too frequently and affecting production. To this end, the following improvements have been made: (1) Increase the chamfer of the collector brush and polish it smoothly; (2) Increase the strength and elasticity of the spring between the two opposed brushes of the collector to allow the spring to recover freely; (3) Deepen it. The spring seat in the collector makes it difficult for the recovery spring of the brush to 'spin in position' during work; (4) The connecting block at the connection of the two safety trolley wires should be chamfered to allow the collector to transition smoothly. At the same time, in order to allow the normal use of the safety trolley wire, the standard operation of the operator, the regular maintenance of the maintenance worker, and the regular inspection are also indispensable.
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have three basic components.
[拓展名称] include a great variety of devices with a wide range of complexity: from simple building material hoist used since prehistoric times to the complex of modern mechanized construction hoist
Powerston focuses on three key elements—process, people, and technology—the authors found that people of two seemingly opposite cultures are able to work together in a project-based environment to complement each other and reap mutual benefits for a win-win result.