挤压式注浆泵用长寿命软管的研制

介绍一种挤压式注浆泵用长寿命软管的配方设计、结构设计和生产工艺。该胶管采用内胶层、增强层和外胶层3层结构。胶管增强层使用4层聚酯帘布缠绕，胶料采用天然橡胶/顺丁橡胶并用。该胶管的使用寿命可以达到500 h以上。;The formulation design，structural design and production process of long-life rubber hose for extrusion type grout pump were introduced.The rubber hose consisted of three layers：inner layer，reinforcement layer and cover layer.Four layers of polyester cord fabric were applied in the reinforcement layer and NR/BR blend was used as rubber material.The service life of the rubber hose exceeded 500 h