Telescopic boom structure based on multi-stage oil cylinder and crane
A telescopic boom and crane technology, applied in the directions of crane, transportation and packaging, can solve the problems of self-heavy and high cost, and achieve the effect of reducing the force multiplication of the rope row and expanding the lifting capacity
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[0052] Combine below Figure 2 ~ Figure 6 The technical solution provided by the present invention is described in more detail.
[0053] Explanation of names or terms involved in this article.
[0054] Multi-stage cylinder: that is, a multi-stage telescopic hydraulic cylinder, which is composed of two or more piston hydraulic cylinders. The piston rod of the previous piston cylinder is the cylinder barrel of the latter piston cylinder. Get longer work trips. by figure 2 The direction shown is an example, the piston cylinder of the first stage is the piston cylinder on the right side, and the piston cylinder of the rear stage is the piston cylinder on the left side.
[0055] see Figure 2 to Figure 5, Embodiment 1 of the present invention provides a telescopic arm structure, including a multi-section telescopic arm and a multi-stage oil cylinder 7, the multi-stage oil cylinder 7 is connected with the multi-section telescopic arm, and the multi-stage oil cylinder 7 can dire...
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