Punching equipment for pile foundation construction and pile foundation construction method
A technology for drilling equipment and pile foundations, which is applied in the direction of drilling equipment and methods, drilling equipment, infrastructure engineering, etc., and can solve problems such as low work efficiency, achieve the effect of reducing pumping links and improving construction efficiency
Inactive Publication Date: 2019-08-16
浙江卓元建设有限公司
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AI Technical Summary
Problems solved by technology
However, at present, water is pumped after the hole is drilled, and then the slag is cleaned. The work efficiency is low and needs to be improved.
Method used
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Embodiment Construction
[0027] The present invention will be further described with reference to the accompanying drawings.
[0028] A drilling device for pile foundation construction, such as figure 1 As shown, the drill body 1 and the middle drill part 2 are included. The drill body 1 drives the middle drill part 2 to move vertically. The first drive motor 4 that the first drill bit 3 rotates. When the punching equipment is working, the first drive motor 4 drives the first drill bit 3 to rotate, and the drill body 1 drives the middle drill head 2 to move downward to realize drilling.
[0029] like figure 2 , image 3 As shown, the first drill bit 3 is provided with a plurality of first perforations 5, and the plurality of first perforations 5 are annularly arranged, and the bottom of the middle drill head 2 is provided with an annular groove 6, and the plurality of first perforations 5 are all connected with the annular groove. 6 connected, the middle drill head 2 is provided with a drainage h...
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The invention discloses punching equipment for pile foundation construction, and relates to the technical field of pile foundation construction. According to the technical scheme, the punching equipment comprises a drilling machine body and a middle drill bit part, wherein the drilling machine body is used for driving the middle drill bit part to move in the vertical direction, the bottom of the middle drill bit part is rotationally connected with a first drill bit, a first driving motor for driving the first drill bit to rotate is arranged on the middle drill bit part, a plurality of first through holes are formed in the first drill bit and are annularly arranged, an annular groove is formed in the bottom of the middle drill bit part, the first through holes communicate with the annular groove, a drainage hole communicating with the annular groove is formed in the middle drill bit part, and a water pumping device communicating with the drainage hole is arranged on the drilling machinebody. According to a construction method adopting the punching equipment, the water pumping link can be omitted, and the equipment and the method have the effect of improving the construction efficiency.
Description
technical field [0001] The invention relates to the technical field of pile foundation construction, more specifically, it relates to a drilling device and a pile foundation construction method for pile foundation construction. Background technique [0002] Pile foundation construction methods include prefabricated piles and cast-in-place piles. To put it simply, the prefabricated pile is to drive the already formed pile directly into the ground through equipment, which is suitable for areas with soft soil; while the cast-in-situ pile needs to drill holes in the ground first, then bury the casing, and then put it into the steel cage , and then pour concrete, and finally take out the casing. It is suitable for the case where the soil is relatively hard. In this process, it is necessary to carry out hole cleaning work many times, just to ensure that the mud performance indicators in the hole meet the requirements: viscosity is less than 28 seconds, specific gravity is less th...
Claims
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Patent Timeline
Login to View More IPC IPC(8): E21B3/02E21B10/60E21B21/00E02D27/12
CPCE02D27/12E21B3/02E21B10/60E21B21/00
Inventor 孙振勇胡水勇蔡正良
Owner 浙江卓元建设有限公司