Traditional Culture Encyclopedia - Traditional culture - What is a jib tower crane
What is a jib tower crane
Large jib tower crane, is not the traditional sense of the lower rotary, non-self-erecting jib tower crane, but represents a large lifting capacity, large lifting height, large lifting speed of contemporary heavy construction cranes. Large jib tower crane boom design using "rod" structure, compared to the horizontal jib tower crane "beam" structure for better stability, the boom structure accounts for a smaller proportion of the weight of the whole machine structure, while the maximum lifting capacity is greater. \r\\nLarge jib tower crane in addition to external climbing, internal climbing, walking function, special features \r\n(1) large lifting capacity of modern large-scale construction projects using steel or steel, concrete combination structure, the weight of the lifting unit is greatly increased, profiled, combined structure usually reaches 32 tons up to a maximum of more than 80 tons. Therefore, large dynamic arm tower crane configuration heavy main lifting system, the maximum lifting capacity is usually 32 to 100 tons. \r\n(2) large lifting height \r\n As a result of the use of a special climbing system, the crane can climb with the building structure as a whole, the lifting height has increased significantly. \r\n(3) large lifting speed \r\n lifting structure of high power, especially with the use of self-contained internal combustion engine towing program, with load lifting speed of more than 100m/min.
- Previous article:What are the interesting holiday food cultures in China?
- Next article:How do people identify the authenticity of Hetian jade?
- Related articles
- Why do you call dinner a banquet?
- What does the Shanghai Red Culture Map look like?
- Teachers summarize the activities of kindergarten New Year's party.
- Ciba Chili (Hunan traditional snack)
- What are the "first" ancient Chinese writings?
- Excuse me, the cold car jumps in front of the air conditioner, but now the hot car jumps behind the air conditioner. What happened? 1.5 2.0
- Performance of vitality of China's excellent traditional culture
- The difference between agile testing and traditional testing
- I like what China wrote in the handwritten newspaper.
- How to fish in the treasure world, how to get it by fishing rod sailing.