Dongfeng Special Trader Truck Crane Details and Driver Attentions
It is well-known that Dongfeng Special Trade Truck Crane is a truck crane developed by Dongfeng Company and is suitable for the construction and transportation of municipal construction, landscaping, coal mine engineering, and non-detachable cargo. Dongfeng lorry crane carrying weight ranging from 3 tons to 25 tons, the customer can also choose according to the required weight range of the post, the truck crane has two types of straight arm and folding arm, so friends can It is preferable to select a corresponding vehicle that is suitable for its own configuration. Since most of the truck cranes perform lifting operations outdoors, the load capacity, stability, flexibility, and passing performance requirements of the truck crane are extremely high. Let's see a detailed picture of a group of Dongfeng truck cranes for everyone. reference: Truck cranes are generally used for outdoor work at high altitudes. Therefore, the requirements for driving safety are higher than those for ordinary driving vehicles. What are the specific requirements? Below we summarize for you: 1. The lifting equipment driver must go through professional safety training, and after the relevant department's examination and approval, it will issue a combined grid certificate before it can be operated alone. It is strictly forbidden for undocumented personnel to use the lifting equipment. 2.Before lifting the object, first test whether the parameters of the crane are normal, whether it can be stabilized and braked. When lifting the goods, it is forbidden to stand under the hook, and it is forbidden for the unrelated personnel to enter the operating room. The operator is strictly forbidden. to chat with. 3.Before work, it is required that the truck crane must lay down the legs and fix the vehicle body. There must be enough working space in the work area. It is necessary to check whether each operating device is normal, whether the wire rope complies with safety regulations, and whether brakes, hydraulic devices and safety devices are complete and sensitive and reliable. It is forbidden to run the machine sick. 4. The elevation angle of the boom must not be less than 30°. The crane should avoid landing cranes under load conditions. It is forbidden to change the joystick before the lift arm is lifted up and down steadily. 5. The driver and the lifter must cooperate closely and obey the signal command of the commander. Before the operation, the horn must be honking. If it is found that the command is unclear or wrong, the driver has the right to refuse to perform. During the work, the driver must immediately stop the emergency stop signal sent by any person and continue to work until the unsafe factors are eliminated. In order to safely and civilly drive the truck cranes, the cranes should be lifted and weighed heavily by operating personnel. In addition to the strict enforcement of relevant regulations, we must delve into operational skills, sum up experiences and lessons in a timely manner, and improve accident prevention capabilities. The correct operation of the truck crane can be used for long crane life, and it provides more security for people. The driver of the truck should carefully read the crane operation manual, and also understand the wire rope, hook, and operation carried by the truck crane. System, hydraulic system and other related knowledge.
Elevator Motor iron core is one of the most important parts of elevator traction motor
The traction motor of the elevator is only the rotor short circuit, the end ring resistance is larger, which is conducive to heat distribution directly, and the comprehensive effect makes the temperature rise of the motor decrease. And ensure sufficient starting torque, generally about 2.5 times the rated torque.
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