256HC Mast Section Three safety strategies for tower crane rental company
1、 Safety equipment shall be fully equipped
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The current Chinese tower crane standards (such as GB / t9462-1999 tower crane technical conditions, JG / t100-1999 tower crane use rules, etc.) have clearly stipulated that tower cranes should be equipped with lifting moment limiter, lifting limiter, lifting height limiter, amplitude limiter, slewing limiter, etc. The latest standards will require tower cranes to install black boxes.
However, the manufacturer of tower crane generally does not make safety devices by itself, and the user usually needs to purchase them by himself. In view of the fact that the scale of safety device manufacturers varies greatly, when purchasing tower cranes in the tower crane company, it is necessary to check whether these devices are made by professional manufacturers, especially to check their reliability. See if there is a rope breaking device for trolley traction rope and a falling device for trolley axle.
2、 Operators should be excellent
In the current construction of many places, tower crane rental companies often use the "single bike" mode to participate, and the command of the tower crane is given to the construction site. In addition to this practice is not formal, more safe operation left a hidden danger can not be ignored.
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For example, in Guangdong Province, where the construction is more standardized now, the "two person bicycle" mode of tower crane rental or self use, including a tower crane driver and a tower crane commander, has become a construction practice. Although this practice in the view of some practitioners has reduced the income, in the long run, only standardized construction can ensure safety, thus avoiding the desire for speed It's embarrassing.
3、 Tower crane rental company should do well in equipment maintenance
Because the tower crane is intermittent working machine, it has the characteristics of short and repeated work. During operation, each mechanism starts and stops, turns forward and reverses. Some cranes work three shifts day and night, some only work one shift, some even work several times a day. The nature of the work determines that the maintenance of the tower crane is a long-term and meticulous work, especially for most of the tower crane companies whose equipment is often used.
In addition to checking the parts of the tower crane, the maintenance of the tower crane also needs to run in idle mode. In addition, sorting out the safety situation into a table is also an essential part for the convenience of the shift handover of the tower crane and the establishment of orderly safety inspection procedures. The safety checklist of tower crane can be listed in detail according to different parts such as "tower body", "safety device", "mechanism and parts" and "electrical equipment", and relevant options shall be reserved according to the standard of qualified tower crane for inspection. At the same time, the column of "overall evaluation" shall be set aside for inspectors to draw conclusions on the overall situation of the tower crane, especially on the crucial aspect of "whether it can be used continuously", so as to ensure safety.
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