Foldable arm frame with multistage amplitude changing and telescoping functions
A telescopic boom and jib technology, applied to cranes and other directions, can solve problems such as difficult implementation, and achieve the effect of reducing space and large amplitude
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[0018] Embodiments of the multi-stage luffing and telescopic foldable jib of the present invention:
[0019] The specific structure of the multi-stage luffing and telescopic foldable jib of the present invention is as follows: Figure 1 to Figure 5 As shown, it can be installed on the vehicle body 5 and use the vehicle body 5 as a carrier during use. When the foldable boom is in the fully retracted state, it meets the driving requirements of the vehicle lane. At this time, the structure is as follows: figure 2 with image 3 shown. When the foldable boom is fully extended, it meets the requirements of the use environment and working conditions. At this time, the structure is as follows: figure 1 shown.
[0020] Such as figure 1 As shown, the multi-stage amplitude-changing and telescopic foldable jib includes a first telescopic arm 1 and a second telescopic arm 2 , and also includes a first amplitude-changing mechanism 3 and a second amplitude-changing mechanism 4 . The f...
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