The invention relates to the technical field of protection, and discloses a protection device for a crane. The protection device comprises a plurality of fence units arranged around a heavy object, each fence unit comprises a base, a blocking device, a supporting plate and a telescopic device, wherein a plurality of sliding chutes from inside to outside are formed in the base, and a plurality of first rollers are arranged at the bottom of each blocking device; each blocking device is in sliding connection with the base through the first rollers and the sliding chutes, each supporting plate islocated between each blocking device and each telescopic device, each blocking device is connected with each supporting plate through a plurality of first compression springs, each supporting plate isconnected with the telescopic end of each telescopic device, and a fixing base of each telescopic device is fixedly arranged on each base which is further provided with a control box; a control box is further arranged on each base, a controller and a mobile power supply are arranged in each control box, each telescopic device and each controller are respectively connected with each mobile power source, and each telescopic device is in signal connection with each controller. The protection device for the crane prolongs the service life of parts of the crane.

    本发明涉及防护技术领域,公开了一种用于起重机的防护装置,包括:设置在重物四周的多个围栏单元,每个围栏单元均包括底座、阻挡装置、支撑板和伸缩装置,底座上设有多条由内向外的滑槽,阻挡装置的底部设有多个第一滚轮,阻挡装置通过第一滚轮和滑槽与底座滑动连接,支撑板位于阻挡装置和伸缩装置之间,阻挡装置与支撑板之间通过多个第一压缩弹簧连接,支撑板与伸缩装置的伸缩端连接,伸缩装置的固定座固定设置在底座上,底座上还设有控制箱,控制箱内设有控制器和移动电源,伸缩装置和控制器分别与移动电源连接,伸缩装置与控制器信号连接,这种用于起重机的防护装置,提升了起重机零部件的使用寿命。


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    Title :

    Protection device for crane


    Additional title:

    一种用于起重机的防护装置


    Contributors:
    HU WENDONG (author) / WANG HAI (author)

    Publication date :

    2020-08-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / F16F SPRINGS , Federn



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