The invention discloses a stacking forklift truck safety stopping and descending system for people getting down, which comprises a truck body door frame, a fork arm carrier, a hydraulic system, an operation driving system, a box body, human body infrared detection devices and an emergency stop device, the human body infrared detection devices are arranged on the two sides of the fork arm carrier, the emergency stop device comprises a rack, a clamping block and an electromagnet for adsorbing the clamping block, the rack is arranged on the truck body door frame, and the clamping block is arranged on the truck body door frame. The clamping block is hinged to the fork arm carrier, at least one trapezoidal bayonet is formed in the side face, close to the rack, of the clamping block, when the clamping block is matched with the rack, the rack applies resistance to the upper inner wall of the trapezoidal bayonet, a first vertically-downward reference line is drawn from the hinge point of the clamping block, the gravity center is located on the side, close to the electromagnet, of the first reference line, and the gravity of the clamping block generates first torque; a second reference line is made from the hinge point of the clamping block to the acting point of the resistance on the lowermost trapezoidal bayonet, the resistance is located on the side, close to the rack, of the second reference line, the resistance generates a second moment, and the first moment and the second moment both enable the clamping block to face the rack and limit the fork arm carrier to move downwards, so that the sudden stop effect is achieved.

    本发明公开了一种堆高叉车下有人安全停降系统,包括车身门架、货叉架、液压系统、操纵行驶系统、箱体、人体红外检测装置和急停装置,人体红外检测装置设置于货叉架的两侧,急停装置包括齿条、卡块、吸附卡块的电磁铁,齿条设置于车身门架,卡块铰接于货叉架,卡块靠近齿条的侧面设置有至少一个梯形卡口,和齿条配合时,齿条给梯形卡口的上内壁一个阻力,从卡块的铰接点作一条竖直朝下的参考线一,重心处于参考线一靠近电磁铁的一侧,卡块的重力产生力矩一,从卡块的铰接点到最下方梯形卡口上阻力的作用点,作一条参考线二,阻力处于参考线二靠近齿条的一侧,阻力产生力矩二,力矩一和力矩二均使卡块朝向齿条,限制货叉架下移,达到急停效果。


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    Title :

    Safe stopping and descending system for people getting off stacking forklift


    Additional title:

    一种堆高叉车下有人安全停降系统


    Contributors:
    TIAN GUOBIAO (author) / XU BAISONG (author) / KUANG JIAN (author) / JIN LITIAN (author)

    Publication date :

    2022-04-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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