湖北省公安县申津渡清淤机厂谢成海研制成功拉式清淤机。在该机研制过程中，谢成海重点突破了泥浆泵类输送泥浆不易堆放的难点。该机是直接将泥土拉运上岸平展存放。在精养塘作业时该机每小时可清淤30－40立方米。该技术已获国家专利，并纳人荆州市重点推广应用项目。拉式清淤 Public Security Shenxian County, Hubei Province, dredging machine factory Xie Chenghai successfully developed pull dredging machine. In the development process of the aircraft, Xie Chenghai breakthrough in the mud pump difficult to stack the delivery of difficult. The plane is pulled directly to shore for storage. When the intensive pond operation machine can be dredged 30-40 cubic meters per hour. The technology has been national patent, and incorporate Jingzhou City, the key to promote the use of the project. Pull dredging