Drilling device for geotechnical engineering investigation
A technology for geotechnical engineering and drilling rods, which is used in earth-moving drilling, supporting devices, drilling pipes, etc., can solve the problems of unreliable movement, inability to extract liquid substances, and unmeasurable drilling depth, so as to improve exploration efficiency and ensure stability. sexual effect
Active Publication Date: 2020-05-22
连云港前沿重工机械有限公司
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Problems solved by technology
The above-mentioned patents have the following deficiencies: inconvenient fixation, unreliable movement, unmeasurable depth of drilling, single design function of the drilling bit, and inability to quickly extract the liquid substance during drilling from the inside of the drilling hole
And above-mentioned patent can not solve this type of problem, therefore, need badly to design a kind of drilling device for geotechnical engineering investigation
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0027] refer to Figure 1-5 , a drilling device for geotechnical engineering investigation, comprising a fixed base plate 1, fixed vertical bars 2 are welded on the outer walls of both sides of the bottom of the fixed base plate 1, and the number of fixed vertical bars 2 is four, and the four fixed vertical bars 2 The outer wall of the bottom end is welded with a fixed bracket 3, and the outer wall of the bottom of the fixed bracket 3 has mounting holes equidistantly distributed, and the number of the mounting holes is three, and the inner wall of the mounting hole is welded with a threaded ferrule 4, three The inner wall of the threaded ferrule 4 is respectively thr...
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The invention belongs to the technical field of geotechnical engineering, and particularly discloses a drilling device for geotechnical engineering investigation. In order to solve the problems that fixation is not convenient, movement is not reliable, the drilling depth cannot be measured, and a drilling bit is monotonous in design function and cannot rapidly extract a liquid substance in drilling out from a drilling hole, the following scheme is proposed; the drilling device comprises a fixing base plate, four fixing vertical rods are welded to the outer walls of the two sides of the bottomof the fixing base plate, fixing supports are welded to the outer walls of the bottom ends of the four fixing vertical rods, and three mounting holes are formed in the outer wall of the bottom of eachfixing support at equal intervals. According to the drilling device, a drilling rod can be reliably fixed, and the stability of the drilling rod in high-speed rotation is guranateed; the drilling depth of the drilling rod can be measured, which makes it convenient for workers to control the investigation work; the liquid substance in drilling can be rapidly extracted out from the drilling hole.
Description
technical field [0001] The invention relates to the technical field of geotechnical engineering, in particular to a drilling device for geotechnical engineering investigation. Background technique [0002] At present, drilling is one of the main methods in geotechnical engineering investigation. The existing drilling equipment used in geotechnical engineering investigation is complex in structure, bulky, inconvenient to carry, and is not suitable for some small-scale geotechnical engineering investigation work. [0003] After searching, the Chinese patent authorization number is CN206693914U, which discloses a drilling device for geotechnical engineering investigation, including a helical guide sleeve, a drill bit, three beams, three connecting sleeves, three legs and a plurality of drill pipes. Three beams are arranged evenly along the circumferential direction of the spiral guide sleeve, and the inner end of each beam is connected with the outer wall of the spiral guide sl...
Claims
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IPC IPC(8): E21B17/22E21B15/00E21B21/00E21B47/04E21B47/01
CPCE21B15/00E21B17/22E21B21/00E21B47/01E21B47/04
Inventor 郑玉清
Owner 连云港前沿重工机械有限公司