Single cylinder synchronous expansion and contraction device with multiple sets of inhaul cables for lorry-mounted crane
A technology of truck-mounted cranes and telescopic devices, which is applied to cranes and other directions, can solve the problems of low lifting efficiency of truck-mounted cranes, large cross-sectional dimensions of boom arms, and slow boom telescopic speed, etc., to achieve boom telescopic efficiency High, improve the lifting capacity of the arm body, and improve the effect of efficiency
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[0011] An embodiment of the present invention is described below in conjunction with accompanying drawing:
[0012] figure 1 As shown, the single-cylinder belt multi-set cable arm body synchronous telescopic device of the truck-mounted crane of the present invention is mainly composed of a basic arm 1 and four sets of cable arms that are nested in the basic arm 1 and consist of 5 telescopic arms; Five-section telescopic boom 9, fourth-section telescopic boom 8, third-section telescopic boom 7, second-section telescopic boom 4, first-section telescopic boom 3, basic boom 1; press from fifth-section telescopic boom 9 to basic boom 1 Sequentially set in the body of the previous section of the arm, the basic arm 1 is at the outermost end, the fifth telescopic arm 9 is at the inner end; telescopic oil cylinders 13 are arranged in the five telescopic arms, and the cylinder heads of the telescopic oil cylinders 13 are fixed on the basic arm 1 The arm tail of the telescopic oil cylin...
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