Tower crane capable of effectively relieving failure of moment limiter
A torque limiter and tower lifting technology, applied in the field of torque limiters, can solve problems such as failure and failure of the top rod, and achieve the effects of avoiding failure, improving practicability, and avoiding damage to the bottom rod and the push switch.
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] see Figure 1-6 , an embodiment provided by the present invention:
[0023] A tower lifting device that can effectively reduce the failure of a moment limiter, comprising a moment limiter main body 1, a bottom bar 4, a top bar 5 and an underframe 11, the bottom end of the moment limiter main body 1 is connected with a signal transmission line 2, and The number of signal transmission lines 2 is two, preferably, the bottom of the torque limiter body 1 on...
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