Multi-tower linkage type aerial hoisting platform

A multi-tower linkage type aerial hoisting platform, comprising:

• four tower crane body lifting/lowering parts respectively disposed in an outer periphery of a building to form a rectangle through enclosure, and comprising a tower crane body and a self-climbing lifting/lowering system that is capable of climbing or descending step by step along the tower crane body;
• four tower-crane-body-connected support beams, respectively disposed on two opposite self-climbing lifting/lowering systems, wherein a hoisting platform enclosed by the tower-crane-body-connected support beams is driven by the self-climbing lifting/lowering systems to move up and down synchronously;
• auxiliary moving beams, slidably disposed below two opposite tower-crane-body-connected support beams;
• primary moving beams, located below the auxiliary moving beams and relatively perpendicular to the auxiliary moving beams, and slidably disposed below other two opposite tower-crane-body-connected support beams, wherein two ends thereof extend out of a frame enclosed by the four tower-crane-body-connected support beams, and lower ends thereof are slidably provided with hoisting trolleys;
• and
• four movable tower crane bases, respectively disposed at lower ends of the four tower crane body lifting/lowering parts, comprising movable chassis that are used as movable supports with a variable platform angle and support parts disposed on the movable chassis, wherein four corners of the support parts are respectively provided with rotary drilling fastening parts;
• lower ends of the auxiliary moving beams and upper ends of the primary moving beams are connected through moving beam connecting mechanisms, and the auxiliary moving beams are controlled by the moving beam connecting mechanisms to drive the primary moving beams to move along axes of the primary moving beams;
• each of the support parts comprises two long square steels that are perpendicular to each other, and ends of the long square steels are configured to firmly connect the rotary drilling fastening parts;
• upper ends of the two long square steels are provided with four short square steels, and upper parts of the four short square steels are fastened in pairs through square steels to form a square frame, and square steels are disposed at a diagonal position of the square frame for reinforcement;
• a steel plate is fastened to a top of each of the support parts through a bolt;
• the rotary drilling fastening part comprises a rotary drilling support part and a rotary drilling power part disposed on the rotary drilling support part;
• the rotary drilling support part comprises a vertical steel frame, a relatively thin door-shaped frame is provided above the vertical steel frame and is configured to support and guide a spiral bit to move up and down;
• an upper end of the vertical steel frame is provided with a pulley;
• the rotary drilling power part comprises a winch disposed at an upper end of the vertical steel frame, a power transmission box and a guide slider slidably disposed on the vertical steel frame in sequence, and a speed reducer disposed at a lower end of the vertical steel frame, an output end of the speed reducer is connected to a square transmission shaft, and the other end of the square transmission shaft is connected to the upper end of the vertical steel frame;
• a side surface of the speed reducer is provided with a motor;
• and the square transmission shaft is sleeved with an inner square hole sprocket;
• and
• the winch is configured to pull the guide slider to move up and down, and then entrance and exit of the spiral bit are controlled.

A multi-tower linkage type aerial hoisting platform, comprising:

• four tower crane body lifting/lowering parts respectively disposed in an outer periphery of a building to form a rectangle through enclosure, and comprising a tower crane body and a self-climbing lifting/lowering system that is capable of climbing or descending step by step along the tower crane body;
• four tower-crane-body-connected support beams, respectively disposed on two opposite self-climbing lifting/lowering systems, wherein a hoisting platform enclosed by the tower-crane-body-connected support beams is driven by the self-climbing lifting/lowering systems to move up and down synchronously;
• auxiliary moving beams, slidably disposed below two opposite tower-crane-body-connected support beams;
• primary moving beams, located below the auxiliary moving beams and relatively perpendicular to the auxiliary moving beams, and slidably disposed below other two opposite tower-crane-body-connected support beams, wherein two ends thereof extend out of a frame enclosed by the four tower-crane-body-connected support beams, and lower ends thereof are slidably provided with hoisting trolleys;
• four movable tower crane bases, respectively disposed at lower ends of the four tower crane body lifting/lowering parts, comprising movable chassis that are used as movable supports with a variable platform angle and support parts disposed on the movable chassis, wherein four corners of the support parts are respectively provided with rotary drilling fastening parts;
• lower ends of the auxiliary moving beams and upper ends of the primary moving beams are connected through moving beam connecting mechanisms, and the auxiliary moving beams are controlled by the moving beam connecting mechanisms to drive the primary moving beams to move along axes of the primary moving beams;
• the movable chassis comprises a crawler walking part and a variable angle system, and the crawler walking part comprises crawler power systems and a lifting oil cylinder between the crawler power systems;
• the variable angle system comprises a variable angle system bottom plate disposed at an upper end of the lifting oil cylinder, a plurality of variable angle oil cylinders that are uniformly distributed at an upper end of the variable angle system bottom plate, and a variable angle system bearing steel plate disposed at an upper end of the variable angle oil cylinder, and is located between the plurality of variable angle oil cylinders, and a main bearing oil cylinder is disposed between the variable angle system bottom plate and the variable angle system bearing steel plate;
• the main bearing oil cylinder comprises a main support frame that is centrally disposed on the variable angle system bottom plate, an inclined support plate is provided around an upper part of the main support frame, and a lower end of the inclined support plate is fastened at the center of four sides of the variable angle system bottom plate;
• an upper end of the main support frame is provided with a main support servo-hydraulic cylinder, a cylinder body of the main support servo-hydraulic cylinder is located inside the main support frame, and a telescopic end of the main support servo-hydraulic cylinder is located above the main support frame;
• and
• a head of the telescopic end of the main support servo-hydraulic cylinder is provided with a Y-shaped pin head, and the Y-shaped pin head is fastened at a lower end of the variable angle system bearing steel plate.