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A platform for research: civil engineering, architecture and urbanism
Steel bar connection grouting-free sleeve device of fabricated concrete structure
The invention relates to the field of fabricated buildings, and particularly relates to a steel bar connection grouting-free sleeve device of a fabricated concrete structure. The steel bar connection grouting-free sleeve device comprises a boss, a sleeve and a high-strength bolt; the sleeve is provided with a sealing ring and a clamping groove; the high-strength bolt is provided with a nut, a screw, a plum head, a threaded protection arm and a high-strength steel pipe; the boss and the sleeve are made of low-yield-point steel; the high-strength bolt is made of high-strength steel; and the boss is in a crescent shape. The sleeve is extruded and formed through the high-strength bolt, the positive pressure of the contact face is increased by applying pre-tightening force of primary screwing and final screwing to the high-strength bolt, and accordingly steel bars are tightly attached to the boss to be fixed. Filling is not needed in the construction process, and compared with an existing grouting sleeve, the steel bar connection grouting-free sleeve device can avoid the phenomenon of material waste in the grouting process and meanwhile has the beneficial effects that labor force is reduced, the construction efficiency is improved, and the construction difficulty is lowered.
本发明涉及装配式建筑领域，具体涉及一种装配式混凝土结构的钢筋连接免灌浆套筒装置，包括凸台、套筒、高强度螺栓，所述套筒设有密封圈、卡槽；所述高强度螺栓设有螺帽、螺杆、梅花头、带螺纹护臂、高强钢管；所述凸台及套筒均由低屈服点钢制成；所述高强度螺栓由高强钢材制成；所述凸台呈月牙状。本发明利用高强度螺栓将套筒挤压成型，通过向高强度螺栓施以初拧和终拧的预紧力增加接触面的正压力，进而让钢筋紧贴凸台实现固定。本发明在施工过程中无需灌装与现有灌浆套筒相比，本发明可以避免在灌浆过程中产生浪费材料的现象同时具有减少劳动力、提高施工效率、降低施工难度等优点。
Steel bar connection grouting-free sleeve device of fabricated concrete structure
The invention relates to the field of fabricated buildings, and particularly relates to a steel bar connection grouting-free sleeve device of a fabricated concrete structure. The steel bar connection grouting-free sleeve device comprises a boss, a sleeve and a high-strength bolt; the sleeve is provided with a sealing ring and a clamping groove; the high-strength bolt is provided with a nut, a screw, a plum head, a threaded protection arm and a high-strength steel pipe; the boss and the sleeve are made of low-yield-point steel; the high-strength bolt is made of high-strength steel; and the boss is in a crescent shape. The sleeve is extruded and formed through the high-strength bolt, the positive pressure of the contact face is increased by applying pre-tightening force of primary screwing and final screwing to the high-strength bolt, and accordingly steel bars are tightly attached to the boss to be fixed. Filling is not needed in the construction process, and compared with an existing grouting sleeve, the steel bar connection grouting-free sleeve device can avoid the phenomenon of material waste in the grouting process and meanwhile has the beneficial effects that labor force is reduced, the construction efficiency is improved, and the construction difficulty is lowered.
本发明涉及装配式建筑领域，具体涉及一种装配式混凝土结构的钢筋连接免灌浆套筒装置，包括凸台、套筒、高强度螺栓，所述套筒设有密封圈、卡槽；所述高强度螺栓设有螺帽、螺杆、梅花头、带螺纹护臂、高强钢管；所述凸台及套筒均由低屈服点钢制成；所述高强度螺栓由高强钢材制成；所述凸台呈月牙状。本发明利用高强度螺栓将套筒挤压成型，通过向高强度螺栓施以初拧和终拧的预紧力增加接触面的正压力，进而让钢筋紧贴凸台实现固定。本发明在施工过程中无需灌装与现有灌浆套筒相比，本发明可以避免在灌浆过程中产生浪费材料的现象同时具有减少劳动力、提高施工效率、降低施工难度等优点。
Steel bar connection grouting-free sleeve device of fabricated concrete structure
一种装配式混凝土结构的钢筋连接免灌浆套筒装置
ZHANG ZHIYUAN (author)
2021-09-03
Patent
Electronic Resource
Chinese
IPC:
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
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