Upper bracket structure of tower crane and tower crane
A technology of tower cranes and lower supports, which is applied in cranes, transportation and packaging, etc., which can solve the problems of inconvenient installation and transportation, restrictions, and large space occupied by upper supports, so as to achieve uniform and reasonable weight distribution and improve material utilization. , the effect of compact overall layout
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[0018] The present invention will be further described below in conjunction with accompanying drawing.
[0019] like image 3 As shown, an upper support structure of a tower crane includes a box body 2 and two slewing mechanisms 1 installed on the box body 2. It is characterized in that the two slewing mechanisms 1 are arranged on the same side.
[0020] The slewing mechanism 1 is mainly composed of a slewing motor and a slewing reducer, and the slewing motor is connected with the slewing reducer.
[0021] A tower crane, comprising an upper support, a lower support, a tower cap, a balance arm, a boom and a driver's cab platform 3, the upper support adopts the above-mentioned upper support structure, and the driver's cab platform 3 is distributed On the other side of the upper support, such as Figure 4 shown.
[0022] like Figure 5 As shown, the lower support includes a box body composed of a cover plate and a rib plate, the main chord 4 of the lower support welded aroun...
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