Two-degree-of-freedom driving controllable hoisting crane
A technology of hybrid drive and degree of freedom, which is applied to cranes and other directions, can solve the problems of high processing and assembly requirements, high maintenance costs, and short service life, and achieve the effects of low maintenance costs, reduced weight, and low cost
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[0016] The technical solutions of the present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.
[0017] The two-degree-of-freedom hybrid drive controllable hoisting crane of the present invention includes a boom, a boom lifting mechanism, and a boom extension mechanism arranged based on a vehicle frame 1 .
[0018] Described boom comprises rotating arm 8 and extension arm 4, and described rotating arm 8 is arranged symmetrically on both sides of extending arm 4, and the lower end of rotating arm 8 is hinged on the middle rear part of vehicle frame 1, and the rear end of described extending arm 4 is connected with The upper ends of the rotating arms 8 on both sides form a compound hinge, and the front end of the extension arm 4 is equipped with a clamping device 5. In a specific embodiment, the extension arm 4 adopts a square steel pipe, such as figure 1 shown.
[0019] The boom lifting mechanism is located at th...
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