According to the record of ancient documents, this paper gives the possible structure of Li Lan's steelyard clepsydra, a根据古文献记述，李兰秤漏很可能是使用弹簧联结权器和秤钩，以达到平均流速稳定的目的。
The steelyard clepsydra, a special type of clepsydra, had been the chief timekeeping instrument during the Sui-Tang peri摘要秤漏是一种特殊类型的漏刻，在隋唐及北宋前期曾是司天机构的主要计时仪器。