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Pile casing follow-up type rotary drilling cast-in-place pile drilling tool
The invention relates to the technical field of rotary drilling tool equipment, and particularly relates to a pile casing follow-up type rotary drilling cast-in-place pile drilling tool. The pile casing follow-up type rotary drilling cast-in-place pile drilling tool aims to solve the problems that when the depth of rotary drilling is large, a pile casing with the matched height needs to be adopted, and consequently the operation process of repeatedly opening holes to erect the pile casing is low in working efficiency and large in manpower and material resource consumption. The pile casing follow-up type rotary drilling cast-in-place pile drilling tool comprises a main pile casing, wherein a shaft seat device is arranged in the main pile casing, a driving shaft is arranged on the shaft seat device in a penetrating mode, a drill bit is arranged at the tail end of the driving shaft, a plurality of auxiliary pile casings are arranged on the side, away from the drill bit, of the main pile casing, connecting devices are arranged between the main pile casing and the auxiliary pile casings and between the adjacent auxiliary pile casings, and an auxiliary shaft seat device matched with the driving shaft is arranged in any auxiliary pile casing; and each auxiliary pile casing comprises two semicircular pile casing main bodies, one sides of the pile casing main bodies are rotationally connected through a rotating shaft, the other sides of the pile casing main bodies are bent outwards to form folding lugs, and locking screws and locking nuts matched with the locking screws are arranged in the mode of penetrating through the folding lugs.
本发明涉及旋挖钻具设备技术领域，具体涉及一种护筒跟进型旋挖钻孔灌注桩钻具，旨在解决旋挖钻孔的深度较大时，需要采用匹配高度的护筒，从而多次开孔架设护筒的操作流程导致工作效率不高、人力物力耗费大的问题，包括主护筒，所述主护筒内设有轴座装置，所述轴座装置穿设有驱动轴，所述驱动轴末端设有钻头，所述主护筒远离钻头一侧设有若干辅助护筒，所述主护筒与辅助护筒之间及相邻辅助护筒之间均设有连接装置，任意所述辅助护筒内设有与驱动轴相配合的辅助轴座装置；所述辅助护筒包括两个半圆环状的护筒主体，所述护筒主体一侧通过转轴转动连接，所述护筒主体另一侧向外弯折有折耳，穿过所述折耳设有锁紧螺杆及与锁紧螺杆配合的锁紧螺母。
Pile casing follow-up type rotary drilling cast-in-place pile drilling tool
The invention relates to the technical field of rotary drilling tool equipment, and particularly relates to a pile casing follow-up type rotary drilling cast-in-place pile drilling tool. The pile casing follow-up type rotary drilling cast-in-place pile drilling tool aims to solve the problems that when the depth of rotary drilling is large, a pile casing with the matched height needs to be adopted, and consequently the operation process of repeatedly opening holes to erect the pile casing is low in working efficiency and large in manpower and material resource consumption. The pile casing follow-up type rotary drilling cast-in-place pile drilling tool comprises a main pile casing, wherein a shaft seat device is arranged in the main pile casing, a driving shaft is arranged on the shaft seat device in a penetrating mode, a drill bit is arranged at the tail end of the driving shaft, a plurality of auxiliary pile casings are arranged on the side, away from the drill bit, of the main pile casing, connecting devices are arranged between the main pile casing and the auxiliary pile casings and between the adjacent auxiliary pile casings, and an auxiliary shaft seat device matched with the driving shaft is arranged in any auxiliary pile casing; and each auxiliary pile casing comprises two semicircular pile casing main bodies, one sides of the pile casing main bodies are rotationally connected through a rotating shaft, the other sides of the pile casing main bodies are bent outwards to form folding lugs, and locking screws and locking nuts matched with the locking screws are arranged in the mode of penetrating through the folding lugs.
本发明涉及旋挖钻具设备技术领域，具体涉及一种护筒跟进型旋挖钻孔灌注桩钻具，旨在解决旋挖钻孔的深度较大时，需要采用匹配高度的护筒，从而多次开孔架设护筒的操作流程导致工作效率不高、人力物力耗费大的问题，包括主护筒，所述主护筒内设有轴座装置，所述轴座装置穿设有驱动轴，所述驱动轴末端设有钻头，所述主护筒远离钻头一侧设有若干辅助护筒，所述主护筒与辅助护筒之间及相邻辅助护筒之间均设有连接装置，任意所述辅助护筒内设有与驱动轴相配合的辅助轴座装置；所述辅助护筒包括两个半圆环状的护筒主体，所述护筒主体一侧通过转轴转动连接，所述护筒主体另一侧向外弯折有折耳，穿过所述折耳设有锁紧螺杆及与锁紧螺杆配合的锁紧螺母。
Pile casing follow-up type rotary drilling cast-in-place pile drilling tool
护筒跟进型旋挖钻孔灌注桩钻具
REN MINGXING (author) / QIN CHAO (author) / CHEN QIANG (author) / ZHEN QINQIN (author) / LIU ZHIQIANG (author) / WANG SHUYIN (author)
2021-06-18
Patent
Electronic Resource
Chinese
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