A Passive Mechanism and Crane for Improving the Vision of Portal Crane Driver's Cab
A technology of portal crane and passive mechanism, which is applied in the field of hoisting machinery, can solve the problems such as insufficient vision of the cab, and achieve the effects of avoiding insufficient vision, reducing the height of the center of gravity, and ensuring comfort
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[0021] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0022] Such as figure 2 , image 3 and Figure 4 As shown, a preferred crane of the present invention includes a turntable 3, a jib system 6, a cab 7, a passive mechanism 8, and a luffing mechanism 4. The jib system 6 is installed on the turntable 3, and the luffing mechanism 4 is used to drive the arm The frame system 6 is used for luffing, and the passive mechanism 8 is used to level the cab 7. The passive mechanism 8 is respectively hinged with the turntable 3 and the jib system 6. The cab 7 is installed on the passive mechanism 8.
[0023] Such as Figure 4 As shown, the passive mechanism 8 includes a first link 80 , a second link 81 , a third link 82 , and a fourth link 83 . The first ...
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