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Grouting device and unconsolidated formation pore forming device and pore forming method
The invention relates to the technical field of slope treatment, and provides an unconsolidated formation pore forming device and pore forming method. The unconsolidated formation hole forming device comprises a drill rod, a down-hole hammer and a grouting device. The drill rod comprises a drill rod outer pipe and a drill rod inner pipe coaxially fixed in the drill rod outer pipe. A second grouting channel with two open ends is formed between the drill rod outer pipe and the drill rod inner pipe, one end of the drill rod is connected to the down-hole hammer through the grouting device, an inner cavity of the drill rod inner pipe communicates with an inner cavity of the down-hole hammer through an inner cavity of a grouting inner pipe, and the second grouting channel communicates with a first grouting channel. The grouting device is installed between the drill rod and the down-hole hammer, when the down-hole hammer drills into a unconsolidated formation, drilling does not need to be stopped, grout can be injected into the unconsolidated formation through the grouting device to be agglomerated, the hole wall of an anchor hole is prevented from collapsing at the unconsolidated formation, the purposes that drilling is conducted while grout spraying is conducted to fix the wall, and hole collapse is prevented are achieved, not only is the hole forming quality of the anchor hole improved, but the hole forming efficiency of the anchor hole is improved.
本发明涉及边坡治理技术领域，提供了一种松散地层成孔装置及成孔方法；松散地层成孔装置包括钻杆、潜孔冲击器和注浆装置；钻杆包括钻杆外管和同轴固定在钻杆外管内的钻杆内管；钻杆外管与钻杆内管之间形成两端开口的第二注浆通道；钻杆的一端通过注浆装置与潜孔冲击器连接，且钻杆内管的内腔通过注浆内管的内腔与潜孔冲击器的内腔连通，第二注浆通道与第一注浆通道连通。通过将注浆装置安装在钻杆与潜孔冲击器之间，当潜孔冲击器钻进至松散地层时，无需停止钻进，就可将浆液通过注浆装置注入松散地层中团结，防止锚孔的孔壁在松散地层处垮塌，达到边钻进边喷浆固壁防止塌孔的目的，不仅提高了锚孔的成孔质量，而且提高了锚孔的成孔效率。
Grouting device and unconsolidated formation pore forming device and pore forming method
The invention relates to the technical field of slope treatment, and provides an unconsolidated formation pore forming device and pore forming method. The unconsolidated formation hole forming device comprises a drill rod, a down-hole hammer and a grouting device. The drill rod comprises a drill rod outer pipe and a drill rod inner pipe coaxially fixed in the drill rod outer pipe. A second grouting channel with two open ends is formed between the drill rod outer pipe and the drill rod inner pipe, one end of the drill rod is connected to the down-hole hammer through the grouting device, an inner cavity of the drill rod inner pipe communicates with an inner cavity of the down-hole hammer through an inner cavity of a grouting inner pipe, and the second grouting channel communicates with a first grouting channel. The grouting device is installed between the drill rod and the down-hole hammer, when the down-hole hammer drills into a unconsolidated formation, drilling does not need to be stopped, grout can be injected into the unconsolidated formation through the grouting device to be agglomerated, the hole wall of an anchor hole is prevented from collapsing at the unconsolidated formation, the purposes that drilling is conducted while grout spraying is conducted to fix the wall, and hole collapse is prevented are achieved, not only is the hole forming quality of the anchor hole improved, but the hole forming efficiency of the anchor hole is improved.
本发明涉及边坡治理技术领域，提供了一种松散地层成孔装置及成孔方法；松散地层成孔装置包括钻杆、潜孔冲击器和注浆装置；钻杆包括钻杆外管和同轴固定在钻杆外管内的钻杆内管；钻杆外管与钻杆内管之间形成两端开口的第二注浆通道；钻杆的一端通过注浆装置与潜孔冲击器连接，且钻杆内管的内腔通过注浆内管的内腔与潜孔冲击器的内腔连通，第二注浆通道与第一注浆通道连通。通过将注浆装置安装在钻杆与潜孔冲击器之间，当潜孔冲击器钻进至松散地层时，无需停止钻进，就可将浆液通过注浆装置注入松散地层中团结，防止锚孔的孔壁在松散地层处垮塌，达到边钻进边喷浆固壁防止塌孔的目的，不仅提高了锚孔的成孔质量，而且提高了锚孔的成孔效率。
Grouting device and unconsolidated formation pore forming device and pore forming method
注浆装置、松散地层成孔装置及成孔方法
LIU BIN (author) / HU NIANSAN (author) / CHEN CHAOZHENG (author) / HUANG HAILIANG (author) / XU GUOQIANG (author) / LI QIANG (author)
2021-06-25
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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