Hydraulic lifting beam for single-track cranes

Hydraulic lifting beam for single-track cranes

  • CN 202,944,986 U
  • Filed: 12/14/2012
  • Issued: 05/22/2013
  • Est. Priority Date: 12/14/2012
  • Status: Active Grant
First Claim
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1. monorail crane hydraulic hoisting beam, it is characterized in that:

  • comprise some walking dollies (1), two beam bodies (2), pipe link (3) and suspension bracket (4), described some walking dollies (1) are slidably mounted on monorail crane straight rail (5) successively, the upper surface of described every beam body (2) is connected with at least two walking dollies (1) respectively, the two ends of described pipe link (3) two ends relative with two beam bodies (2) respectively are hinged, be respectively arranged with along its length hydraulic actuating cylinder (6) in described every beam body (2), the cylinder body of described hydraulic actuating cylinder (6) is connected with beam body (2), be fixedly connected with a mobile sprocket shaft (61) on the piston rod of hydraulic actuating cylinder (6), rotating mobile sprocket wheel (62) is installed on described mobile sprocket shaft (61), described beam body (2) is provided with fixed chain wheels axle (63) in the middle part, rotating fixed chain wheels (64) is installed on described fixed chain wheels axle (63), described fixed chain wheels (64) is corresponding along beam body (2) lengthwise location with mobile sprocket wheel (62), on described beam body (2) base plate, the position corresponding with fixed chain wheels (64) offers chain outlet (21), also be provided with at least one chain (7) in every beam body (2), the fixed end of described chain (7) is fixedly connected in beam body (2), the free end of chain (7) passes from chain outlet (21) after walking around successively mobile sprocket wheel (62) and fixed chain wheels (64), and the free end of chain (7) is connected with the upper end of suspension bracket (4), hydraulic actuating cylinder (6) in described two beam bodies (2) is controlled by a cover fluid power system.

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