Large-scale tool hoisting device for offshore electric power construction

A large-scale tool hoisting device for offshore electric power construction, comprising a chassis (1), wherein an operating cabin (2) is fixedly installed on the chassis (1), and a lifting arm (10) is rotatably connected to a top end of the operating cabin (2);

• a steel cable (3) is slidably connected to a back of the lifting arm (10), and a bottom end of the steel cable (3) is wound outside a spool (5);
• a winch (4) is rotatably connected to a side wall of the operating cabin (2), and the spool (5) is fixedly installed on the winch (4);
• a control wheel (6) is fixedly installed on an outer side of the winch (4), an outer edge of the control wheel (6) is arranged with a groove, and the groove is arranged with clamping tooth grooves;
• an outer wall of the control wheel (6) is wound with a transmission chain plate (7), and connecting teeth (8) are fixedly installed on an inner side of the transmission chain plate (7);
• the connecting teeth (8) correspond to the clamping tooth grooves on the control wheel (6);
• a side wall of the operating cabin (2) is arranged with a connecting port (11), and the transmission chain plate (7) passes through the connecting port (11) and enters an inside of the operating cabin (2);
• the inside of the operating cabin (2) is hollow;
• a drive motor (13) is fixedly installed on an upper surface of the chassis (1), and a drive shaft (14) is fixedly connected to an output end of the drive motor (13);
• an output shaft (23) is movably connected to one end of the drive shaft (14) away from the drive motor (13), and a drive wheel (12) is fixedly installed on one end of the output shaft (23) away from the drive shaft (14);
• one end of the transmission chain plate (7) is wound on an outer wall of the drive wheel (12);
• a compensation wheel (9) is movably connected to an inner wall of the connecting port (11), and an outer wall of the compensation wheel (9) abuts against the transmission chain plate (7);
• the side wall of the operating cabin (2) facing the spool (5) is arranged with blowing ports (26), and a fan (20) is fixedly installed on the upper surface of the chassis (1);
• the drive motor (13) is located in a middle of the fan (20) and the blowing port (26);
• the drive wheel (12) is divided into a flat tooth section and a slanted portion, and the slanted portion is of a ladder structure;
• clamping teeth corresponding to the connecting teeth (8) are fixedly installed on the outer wall of the drive wheel (12), and the clamping teeth in the slated portion are inclined;
• wherein a power gear (21) is fixedly installed on one end of the drive shaft (14) close to the output shaft (23), and a transmission gear sleeve (22) is fixedly installed on one end of the output shaft (23) close to the drive shaft (14);
• an inner wall of the transmission gear sleeve (22) is arranged with clamping grooves, clamping teeth are fixedly installed on an outer wall of the power gear (21), and the clamping grooves of the transmission gear sleeve (22) are engaged with the clamping teeth on the outer wall of the power gear (21);
• the power gear (21) is slidably connected inside the transmission gear sleeve (22);
• wherein a positioning plate (15) is fixedly installed on the upper surface of the chassis (1), and a rotating panel (16) is rotatably connected to one side of the positioning plate (15) facing the drive wheel (12);
• the rotating panel (16) abuts against a side wall of the transmission chain plate (7);
• the output shaft (23) penetrates the drive wheel (12), and an anti-detachment plate (17) is fixedly installed on one end of the output shaft (23) penetrating the drive wheel (12);
• there is a gap between the anti-detachment plate (17) and the tail of the drive wheel (12);
• wherein two limiting rings (19) are fixedly installed on an outer wall of the output shaft (23), and a control plate (18) is rotatably connected between the limiting rings (19);
• a bottom end of the control plate (18) is slidably connected to the upper surface of the chassis (1);
• pull rods (24) are fixedly installed on a bottom side wall of the control plate (18) and fixedly connected to an output end of a telescopic oil cylinder (25);
• the telescopic oil cylinder (25) is fixedly installed on the upper surface of the chassis (1), and the limiting rings (19) and the control plate (18) are located between the transmission gear sleeve (22) and the drive wheel (12).