River underwater sludge sampling device

A river underwater sludge sampling device comprises a sludge inlet pipe, a plurality of sludge containing pipes, a plurality of connecting pipes and a handle which are in threaded connection with one another, and further comprises a pull-assisting air bag, the sludge inlet pipe and each connecting pipe are provided with semi-ball valves, and the river underwater sludge sampling device can be suitable for sampling river sludge with different water depths according to the water depth of a river and the length of the adjusting device; after sampling, a sludge sample can be observed and stored in sections; and the pull-assisting air bag is arranged, sampling is labor-saving, and sampling operation can be completed by one person. 河道水下淤泥取样装置，包括互相螺纹连接的一个进泥管、多个盛泥管、多个连接管、一个手把，还包括助拔气囊，进泥管和每个连接管均设有半球阀，可以根据河道水深，调节装置的长度，适用不同水深河道淤泥取样；取样后，可以分段观察、保存淤泥样品；配备助拔气囊，取样省力，单人即能完成取样操作。