摘要：【中文】本发明公开了一种可添加凝胶灭火添加剂的直升机吊桶装置，包括板体、第四管体、桶盖和桶体，所述板体的底部两侧均设置有固定柱，通过气缸的活塞杆贯穿挡板的内部，将限位板与气缸的活塞杆螺纹连接，在使气缸的活塞杆上升，使限位板顶部的连柱插入到凹槽内，在气缸压力的作用下使得桶体与桶盖紧密连接；通过连管、连杆、第一连板和第二连板的作用下，增强桶体的稳定性，避免桶体由于晃动桶内的水溅出；通过套筒、连管和固定杆的作用下，增加了在吊桶过程中的承重力；通过水泵向桶体内增加添加剂时，首先打开阀门，通过增压泵向第二管体内充加气压，并通过第二管体对第一管体和第四管体内，使其能够直接进入桶体的内部，防止管体内堵塞。 【EN】The invention discloses a helicopter bucket lifting device capable of adding a gel fire extinguishing additive, which comprises a plate body, a fourth pipe body, a bucket cover and a bucket body, wherein fixed columns are arranged on two sides of the bottom of the plate body; the stability of the barrel body is enhanced under the action of the connecting pipe, the connecting rod, the first connecting plate and the second connecting plate, and water in the barrel body is prevented from splashing due to shaking; under the action of the sleeve, the connecting pipe and the fixing rod, the bearing force in the bucket lifting process is increased; when the additive is added into the barrel body through the water pump, the valve is firstly opened, the second pipe body is filled with air pressure through the booster pump, and the first pipe body and the fourth pipe body are connected through the second pipe body, so that the additive can directly enter the barrel body, and the blockage in the pipe body is prevented.

摘要：【中文】本发明实施例公开了一种铝合金铬添加剂及其制备方法。该铝合金铬添加剂包括由混合在一起的雾化合金粉和成型剂压制而成的块状体，其中，以质量百分含量计算，雾化合金粉中铬的含量为75％‑85％，铝的含量为15％‑25％，单种杂质元素含量≤0.1％，杂质元素总含量≤0.5％。该铝合金铬添加剂清洁无污染，不含氯、钠、氟等有害元素，在熔铸过程中，熔化时无烟无尘。 【EN】The embodiment of the invention discloses an aluminum alloy chromium additive and a preparation method thereof. The aluminum alloy chromium additive comprises a block body formed by pressing atomized alloy powder and a forming agent which are mixed together, wherein the mass percentage of chromium in the atomized alloy powder is 75-85%, the mass percentage of aluminum is 15-25%, the mass percentage of single impurity element is less than or equal to 0.1%, and the total mass percentage of impurity elements is less than or equal to 0.5%. The aluminum alloy chromium additive is clean and pollution-free, does not contain harmful elements such as chlorine, sodium, fluorine and the like, and is smokeless and dustless when being melted in the casting process.