The invention discloses a 16t variable-span height hoist portal crane which comprises driving wheels and two detachable lower cross beams, the upper ends of two supporting legs are connected with a main beam of a multi-section structure, the main beam comprises two end beams fixedly installed with the upper ends of the supporting legs respectively, a plurality of middle beams are arranged between the two end beams, and the middle beams are connected with the lower cross beams. Through holes are annularly formed in the end portions of the end beams and the end portions of the middle beams, inner reinforcing plates are arranged on the inner sides between the end beams and the middle beams and between every two middle beams, outer reinforcing plates are arranged on the outer sides between the end beams and the middle beams, bolts penetrate through the through holes and are in threaded connection with the inner reinforcing plates, and when the span of the main beam is adjusted and the span needs to be increased, the number of the middle beams is increased at the moment; and the inner side of the connecting position is fixed through the inner reinforcing plate, the outer side of the connecting position is fixed through the outer reinforcing plate, the strength of the connecting position is improved through the fixing structure of the inner side and the outer side, the use strength is guaranteed, and bending of the connecting position caused by infirm fixing is avoided.

    本发明公开了16t可变跨度高度葫芦门式起重机,包括驱动轮,包括两个可拆分的下横梁,两个支腿的上端连接有多段式结构的主梁,主梁包括有两个分别与支腿上端固定安装的端梁,两个端梁之间设置有多个中间梁,端梁、中间梁的端部环形开设有通孔,端梁与中间梁之间、每两个中间梁之间的内侧设置有内加固板,外侧设置有外加固板,且螺栓贯穿通孔并与内加固板螺纹连接,在对主梁的跨度进行调节时,需要跨度增加时,此时增加中间梁的数量,并通过内加固板对连接处的内侧固定,通过外加固板对连接处的外侧固定,内外侧的固定结构,增加了连接处的强度,保障使用的强度,避免连接处由于固定不牢固导致的弯折。


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    Title :

    16t variable span height hoist portal crane


    Additional title:

    16t可变跨度高度葫芦门式起重机


    Contributors:
    TANG YUANYUAN (author) / LI HONGXING (author)

    Publication date :

    2023-11-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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