The invention discloses a TBM pressure grouting concrete grouting pipeline, which comprises a mud pipe, a cleaning mechanism, the mud pipe comprises a main grouting pipe, a auxiliary grouting pipe and a transition pipe, the cleaning mechanism comprises a plunger sleeve, a plunger, a push rod which is coaxial and fixedly connected between the front end part and the plunger, an opening and closing oil cylinder which is connected between the piston rod and the rear end part of the push rod, an opening and closing oil cylinder which is installed on the peripheral surface of the transition pipe and is connected with it The connecting hole between the reverse flushing pipe and the transition pipe is the flushing port, and the peripheral surface of the push rod is provided with a through flushing hole. During grouting, the plunger shrinks in the transition pipe, the segment is sealed on the flushing port, the grouting channel is opened and the flushing port is closed. During the reverse flushing, the plunger extends out of the auxiliary grouting pipe, and the flushing hole is located in the transition pipe and on the flushing port, and the reverse flushing hole is located in the transition pipe When the washing channel is opened, the grouting channel is closed by the front end of the plunger and the push rod, which realizes the water washing of the washing port and the back end of the grouting channel and the plunger pushing cleaning of the front end of the washing port.
【技术实现步骤摘要】
一种TBM压注式混凝土注浆管路
本专利技术属于盾构机设备领域,特别涉及一种TBM压注式混凝土注浆管路。
技术介绍
TBM法是一种新型的隧道施工技术,其效率更高,更施工安全,其施工过程中需要通过注浆管路直接注入,但注浆管若不拆卸,其内部的浆料无清洗,长期使用后存在注浆流量降低的问题,如何实现不拆卸对注浆管路全段进行定时清洗,同时又能防止浆料逆流,是目前急需解决的问题。
技术实现思路
本专利技术的目的是提供一种TBM压注式混凝土注浆管路,能在不拆卸注浆管路的前提下,对注浆管路全段进行定时清洗,同时又能防止浆料逆流。为达到上述目的,本专利技术采用的技术方案是:一种TBM压注式混凝土注浆管路,其包括泥浆管,泥浆管内部形成注浆通道,靠近所述注浆出口端为注浆通道的前端,另一端为后端,它还包括能够通入所述泥浆管将所述注浆通道截断并对截断处至后端之间的注浆通道进行冲洗的清洗机构,所述泥浆管包括主注浆管、副注浆管、连接于所述主注浆管和副注浆管之间的过渡管,所述副注浆管与所述过渡管同轴密封连接,所述清洗机构包括与所述 ...
【技术保护点】
1.一种TBM压注式混凝土注浆管路,其包括泥浆管,泥浆管内部形成注浆通道,靠近所述注浆出口端为注浆通道的前端,另一端为后端,它还包括能够通入所述泥浆管将所述注浆通道截断并对截断处至后端之间的注浆通道进行冲洗的清洗机构,所述泥浆管包括主注浆管、副注浆管、连接于所述主注浆管和副注浆管之间的过渡管,所述副注浆管与所述过渡管同轴密封连接,所述清洗机构包括与所述过渡管同轴且连通设置的柱塞套管、滑动连接于所述柱塞套管内和过渡管以及副注浆管内的柱塞、与所述柱塞相连接用于将所述柱塞收回和伸出的驱动组件,所述柱塞的外径与所述过渡管的内径相同,所述驱动组件包括前端部与所述柱塞同轴固定连接的推杆 ...
【技术特征摘要】 【专利技术属性】
1.一种TBM压注式混凝土注浆管路,其包括泥浆管,泥浆管内部形成注浆通道,靠近所述注浆出口端为注浆通道的前端,另一端为后端,它还包括能够通入所述泥浆管将所述注浆通道截断并对截断处至后端之间的注浆通道进行冲洗的清洗机构,所述泥浆管包括主注浆管、副注浆管、连接于所述主注浆管和副注浆管之间的过渡管,所述副注浆管与所述过渡管同轴密封连接,所述清洗机构包括与所述过渡管同轴且连通设置的柱塞套管、滑动连接于所述柱塞套管内和过渡管以及副注浆管内的柱塞、与所述柱塞相连接用于将所述柱塞收回和伸出的驱动组件,所述柱塞的外径与所述过渡管的内径相同,所述驱动组件包括前端部与所述柱塞同轴固定连接的推杆、活塞杆与所述推杆的后端部相连接的开闭油缸,其特征在于:所述推杆与所述柱塞的外径与所述柱塞套管的内径相同,所述清洗机构还包括于安装于所述过渡管周面上且与其相连通的反向冲洗管,反向冲洗管与所述过渡管的连通孔为冲洗口,所述柱塞的后端部与所述推杆相连接,其前端部为弧形的管片,所述推杆的周面上开设有贯通的冲洗孔,注浆时,所述柱塞收缩于所述过渡管内,所述管片密封盖设于所述冲洗口上,且与所述主注浆管、过渡管以及副注浆管形成注浆通道,反向冲洗时,所述柱塞伸出于所述副注浆管,所述冲洗孔位于过渡管内且位于所述冲洗口上,所述反向冲洗管、冲洗口、冲洗孔以及主注浆管形成反向冲洗通道。
2.根据权利要求1所述的TBM压注式混凝土注浆管路,其特征在于:所述推杆为无缝钢管制成,所述冲洗孔位于所述推杆内部的两侧采用封板焊接密封。
技术研发人员:靳党鹏,卞士元,张路赛,万坤,朱盛磊,刘静巍,李宗平,唐启,
申请(专利权)人:中交天和机械设备制造有限公司,
类型:发明
国别省市:江苏;32
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