Long spiral drilling slime automatic scraping method
A technology of long auger and long auger, which is applied in the direction of drilling tools, earthwork drilling, drilling equipment, etc., which can solve the problems of low construction efficiency and achieve the effect of improving construction efficiency and saving construction cost
Active Publication Date: 2021-07-23
深圳市工勘基础工程有限公司
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[0005] The purpose of the present invention is to provide a method for automatic scraping of sticky mud in long auger drilling, aiming to solve the problem of low construction efficiency in long auger drilling in the prior art
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[0023] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] The implementation of the present invention will be described in detail below in conjunction with specific embodiments.
[0025] In the drawings of this embodiment, the same or similar symbols correspond to the same or similar components; The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific or...
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The invention relates to the technical field of long spiral drilling construction, and discloses a long spiral drilling slime automatic scraping method. The method comprises the following construction steps that (1), a long spiral drilling machine is placed at a position where drilling is needed, and spiral blades are combined on the periphery of a drilling rod to form a soil discharging spiral channel; (2), a slime scraping device is installed on the outer side of the drill rod, the slime scraping device comprises a transverse rod, a middle bearing is connected to the transverse rod, a plurality of slime scraping shovels are connected to the periphery of the middle bearing and arranged along the periphery of the middle bearing at intervals, and at least one slime scraping shovel is arranged in the soil discharging spiral channel; and (3), when the drill rod is burnt, the drill rod is lifted upwards, the multiple slime scraping shovels are alternately arranged in the soil discharging spiral channel, slime in the soil discharging spiral channel is scraped, the multiple slime scraping shovels are alternately arranged in the soil discharging spiral channel for slime scraping operation, personnel do not need to be specially arranged for slime scraping operation on the construction site, the construction cost is saved, and the construction efficiency is improved.
Description
technical field [0001] The patent of the present invention relates to the technical field of long auger drilling construction, in particular, it relates to a method for automatic scraping of sticky mud in long auger drilling. Background technique [0002] When the long helical drilling hole is poured into the hole, the long helical drilling rig is arranged, and the drill pipe and the drill bit are driven by the power element to rotate, so that the helical blade on the drill pipe also rotates accordingly, and cuts the soil layer downward. Rotary drilling, the cut soil layer is automatically discharged out of the hole along the spiral blade. [0003] In actual construction, when encountering thicker silty clay and muddy soil during the drilling process, the drill bit and some drill pipes are easy to stick to the drill, that is, the clay sticks to the drill pipe and the helical blades. It is not easy to be thrown off and discharged to the ground, which will cause the phenomeno...
Claims
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IPC IPC(8): E21B12/06
CPCE21B12/06
Inventor 尚增弟宋晨旭雷斌陈文昌黄向科马君伟邓志宇孔德健
Owner 深圳市工勘基础工程有限公司