Anti-crash helicopter seat integrating multiple protections

An anti-crash helicopter seat integrating multiple protections, comprising a main framework, a weighing sensor, a magnetorheological damper system, an upper body forced tensioning and quick disengagement system, a seat pan, a multifunctional vest and a controller, wherein the seat pan is slidably connected with the main framework in a vertical direction, the magnetorheological damper system is fixedly arranged on the seat pan, and is connected with the main framework by the weighing sensor, the upper body forced tensioning and quick disengagement system is arranged on the seat pan, the multifunctional vest is connected with the seat pan by the upper body forced tensioning and quick disengagement system, and the controller is connected with the weighing sensor and the magnetorheological damper system respectively,

• wherein the upper body forced tensioning and quick disengagement system comprises a quick disengagement handle, a lower connecting rod, a lower transfer block, a switching rod, a multifunctional transfer block, pull rods, lower lock rods, compression springs, a steel cable, an upper switching block, an upper connecting rod, upper transfer blocks, upper lock rods, shoulder strap tensioning belts and a shoulder strap tensioning mechanism, wherein the lower connecting rod is arranged below the upper connecting rod, the quick disengagement handle is connected with one end of the lower connecting rod, the other end of the lower connecting rod is connected with a lower end of the steel cable, an upper end of the steel cable is connected with the upper switching block, and the upper switching block is connected with the upper connecting rod;
• and
• the upper transfer blocks are connected with the upper lock rods, ends of the shoulder strap tensioning belts are connected with the shoulder strap tensioning mechanism, the other ends of the shoulder strap tensioning belts are inserted into lock holes of the upper lock rods, the lower transfer block is arranged on the lower connecting rod in a sleeving manner and connected with the multifunctional transfer block through the switching rod, and the multifunctional transfer block is connected with the lower lock rods through the pull rods, the shoulder strap tensioning belts are connected with an upper end of the multifunctional vest, the lower lock rods are connected with a lower end of the multifunctional vest, the lower lock rods are sleeved with the compression springs, and can automatically reset through the compression springs.