Cushion plate self-telescoping device of vertical supporting leg of crane
A technology of vertical outriggers, cranes, applied in the direction of hoisting devices, lifting equipment braking devices, transportation and packaging
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[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0028] The self-retracting device of the backing plate of the vertical outrigger of the crane, such as figure 1 with figure 2 As shown, it includes a fixed frame 1, a backing plate assembly 2, a backing plate spring 3, a tension rod 4, a tension rod spring 5 and a connecting rod 6;
[0029] The fixed frame 1 is in the shape of a clamp, such as Figure 3 ~ Figure 5 As shown, it includes a base 11 and a reinforcing plate 12. The base 11 is two mutually symmetrical semicircular annular plates, the reinforcing plate 12 is two mutually symmetrical semicircular annular plates, and each of the two ends of the reinforcing plate 12 has a folded plate extending outward. 13. There are bolt holes on the folding plate 13, the inner diameter of the reinforcing plate 12 is equal to the outer diameter of the base 11, the reinforcing plate 12 is welded outsi...
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