CN108181027B - Vibrating wire type drilling stress meter mounting head - Google Patents
Vibrating wire type drilling stress meter mounting head Download PDFInfo
- Publication number
- CN108181027B CN108181027B CN201810010379.2A CN201810010379A CN108181027B CN 108181027 B CN108181027 B CN 108181027B CN 201810010379 A CN201810010379 A CN 201810010379A CN 108181027 B CN108181027 B CN 108181027B
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- China
- Prior art keywords
- positioning groove
- mounting head
- positioning
- hole
- vibrating wire
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/10—Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0004—Force transducers adapted for mounting in a bore of the force receiving structure
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Earth Drilling (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a vibrating wire type drilling stress meter mounting head, and belongs to the technical field of drilling stress meters. The stress meter mounting head is cylindrical and comprises a first positioning groove, a second positioning groove, a positioning hole and a threaded hole, wherein the first positioning groove and the second positioning groove are formed in the side face of the cylindrical mounting head, and the positioning hole and the threaded hole are respectively formed in the upper bottom face and the lower bottom face of the cylindrical mounting head. The first positioning groove is used for positioning the vibrating wire type drilling stress gauge, the positioning hole is used for positioning the stress gauge and placing a wire, the second positioning groove is used for positioning the wedge block and placing the wire, the threaded hole is used for connecting the mounting rod, and the mounting rods with different lengths can be connected according to actual hole depths. The device has reasonable design, can effectively fix the vibrating wire type drilling stress meter in the process of installing the vibrating wire type drilling stress meter, lifts the wedge block through the steel wire rope on the tensioning wedge block at the bottom of the hole, effectively fixes the vibrating wire type drilling stress meter at the bottom of the hole, and not only can efficiently and conveniently install the vibrating wire type drilling stress meter, but also is economical and practical.
Description
Technical Field
The invention relates to the technical field of drilling stress meters, in particular to a vibrating wire type drilling stress meter mounting head.
Background
The drilling riser is mainly used for measuring stress changes of engineering entities and is widely applied to civil engineering and mining engineering. When in use, a hole is drilled at a measuring position, then a stress meter is arranged in the hole through a mounting device, and the stress change of an engineering entity is measured. In the installation process of the drilling hole counter, the installation head is required to be used for matching installation. In order to install the drilling hole counter efficiently, conveniently and economically, the invention needs to design a mounting head.
Disclosure of Invention
The invention aims to solve the technical problem of providing a vibrating wire type drilling stress meter mounting head which is specially used for mounting a GK-4300 vibrating wire type drilling stress meter in a hole and is matched with a steel wire rope and a mounting rod.
The mounting head comprises a first positioning groove, a second positioning groove, a positioning hole and a threaded hole, wherein the first positioning groove and the second positioning groove are formed in the side face of the cylindrical mounting head, and the positioning hole and the threaded hole are respectively formed in the upper bottom face and the lower bottom face of the cylindrical mounting head; the outer diameter of the mounting head is 32.5mm, and the length is 150mm.
The first positioning groove is a rectangular groove which is perpendicular to the bottom surface of the cylindrical mounting head provided with the positioning hole, the middle line of the first positioning groove is 5mm away from the center of the cylindrical mounting head, the width of the first positioning groove is 4mm, and the depth of the first positioning groove is 30mm.
The second positioning groove is a rectangular groove which penetrates through the side surface of the cylindrical mounting head and is perpendicular to the bottom surface of the cylindrical mounting head, the second positioning groove is distributed along the axis of the mounting head, and the center line of the second positioning groove is perpendicular to the center line of the first positioning groove.
The second positioning groove has a width of 10mm and a length of 150mm, and is divided into a front section, a middle section and a rear section, wherein the front section has a length of 30mm and is communicated with the positioning hole, the middle section has a length of 70mm, the depth is 14.55mm, the rear section has a length of 50mm, and the depth is 5.775mm.
The circle center of the positioning hole deviates from the circle center of the mounting head by 5mm, the diameter of the positioning hole is 16.7mm, and the depth is 30mm.
The circle center of the threaded hole deviates from the circle center of the mounting head by 5mm, the threaded hole is positioned at the middle line of the second positioning groove and far away from one end of the second positioning groove, the aperture of the threaded hole is 16.7mm, and the depth is 40mm.
The screw hole is inside to have the positive screw thread, and the screw depth is 30mm.
The technical scheme of the invention has the following beneficial effects:
the device has reasonable design, can effectively fix the vibrating wire type drilling stress meter in the process of installing the vibrating wire type drilling stress meter, lifts the wedge block through the steel wire rope on the tensioning wedge block at the bottom of the hole, effectively fixes the vibrating wire type drilling stress meter at the bottom of the hole, and not only can efficiently and conveniently install the vibrating wire type drilling stress meter, but also is economical and practical. The drilling stress gauge can be conveniently, quickly and economically arranged at the designated position of the drilling.
Drawings
FIG. 1 is a schematic view of a vibrating wire borehole stress gauge mounting head according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of a vibrating wire borehole stress meter mounting head according to a second embodiment of the present invention;
FIG. 3 is a schematic diagram III of a vibrating wire borehole stress gauge mounting head according to the present invention;
FIG. 4 is a schematic diagram of the vibrating wire borehole stress gauge mounting head and the stress gauge of the present invention.
Wherein: 1-a first positioning groove; 2-a positioning groove II; 3-positioning holes; 4-threaded holes.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The invention provides a vibrating wire type drilling stress meter mounting head.
As shown in fig. 1, 2 and 3, the mounting head is in a cylindrical structure, the first positioning groove 1 and the second positioning groove 2 are positioned on the side surface of the cylindrical mounting head, and the positioning hole 3 and the threaded hole 4 are respectively positioned on the upper bottom surface and the lower bottom surface of the cylindrical mounting head; the outer diameter of the mounting head is 32.5mm, and the length is 150mm.
In the actual design process, the first positioning groove 1 is a rectangular groove which is perpendicular to the bottom surface of the cylindrical mounting head provided with the positioning hole 3, the middle line of the first positioning groove 1 is 5mm away from the center of the cylindrical mounting head, the width of the first positioning groove 1 is 4mm, and the depth is 30mm.
The second positioning groove 2 is a rectangular groove which penetrates through the side surface of the cylindrical mounting head and is perpendicular to the bottom surface of the cylindrical mounting head, the second positioning groove 2 is distributed along the axis of the mounting head, and the center line of the second positioning groove 2 is perpendicular to the center line of the first positioning groove 1.
The second positioning groove 2 has a width of 10mm and a length of 150mm, and is divided into a front section, a middle section and a rear section, wherein the front section has a length of 30mm and is communicated with the positioning hole 3, the middle section has a length of 70mm and a depth of 14.55mm, and the rear section has a length of 50mm and a depth of 5.775mm.
The circle center of the positioning hole 3 deviates from the circle center of the mounting head by 5mm, the diameter of the positioning hole 3 is 16.7mm, and the depth is 30mm.
The circle center of the threaded hole 4 deviates from the circle center of the mounting head by 5mm, the threaded hole 4 is positioned on the center line of the positioning groove II 2 and far away from one end of the positioning groove II 2, the aperture of the threaded hole 4 is 16.7mm, and the depth is 40mm.
The screw hole 4 has a positive thread inside, and the thread depth is 30mm.
As shown in fig. 4, in the specific installation process, the steel wire rope is required to be matched with the installation rod, firstly, the wedge block of the vibrating wire type drilling stress gauge is fixed by a plastic screw with the wedge block, then, two thin rods protruding from the tail part of the stress gauge are fixed in the first positioning groove 1, the cylinder protruding from the tail part of the stress gauge is fixed in the positioning hole 3, meanwhile, the wire is also arranged in the positioning hole 3, and the wedge block is fixed in the second positioning groove 2; then tying the steel wire rope on the round hole of the wedge block, connecting the mounting rod on the tail part of the mounting head, carding the lead and the steel wire rope, using the mounting rod to send the drilling stress gauge into the hole, fixing the mounting rod after reaching the designated position, pulling the steel wire rope out for a certain distance, enabling the wedge block to be tightly attached to the hole wall, and successfully mounting the stress gauge; and then the installation rod is slightly rocked, the installation rod and the installation head are pulled out, and the steel wire rope is left in the hole. The installation pole is 16mm in diameter, and the length is the iron pole of hole depth basis determination, and one end is equipped with the positive screw thread, and screw thread length is 30mm.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (3)
1. A vibrating wire type drilling stress meter mounting head is characterized in that: the positioning device comprises a positioning groove I (1), a positioning groove II (2), a positioning hole (3) and a threaded hole (4), wherein the positioning groove I (1) and the positioning groove II (2) are positioned on the side surface of a cylindrical mounting head, and the positioning hole (3) and the threaded hole (4) are respectively positioned on the upper bottom surface and the lower bottom surface of the cylindrical mounting head; the outer diameter of the mounting head is 32.5mm, and the length is 150mm;
the first positioning groove (1) is a rectangular groove which is perpendicular to the bottom surface of the cylindrical mounting head provided with the positioning hole (3), the middle line of the first positioning groove (1) is 5mm away from the center of the cylindrical mounting head, the width of the first positioning groove (1) is 4mm, and the depth of the first positioning groove (1) is 30mm;
the second positioning groove (2) is a rectangular groove which penetrates through the side surface of the cylindrical mounting head and is perpendicular to the bottom surface of the cylindrical mounting head, the second positioning groove (2) is distributed along the axis of the mounting head, and the center line of the second positioning groove (2) is perpendicular to the center line of the first positioning groove (1);
the circle center of the positioning hole (3) deviates from the circle center of the mounting head by 5mm, the diameter of the positioning hole (3) is 16.7mm, and the depth is 30mm;
the circle center of the threaded hole (4) deviates from the circle center of the mounting head by 5mm, the threaded hole (4) is positioned at the center line of the positioning groove II (2) and far away from one end of the positioning groove II (2), the aperture of the threaded hole (4) is 16.7mm, and the depth is 40mm;
the installation head is matched with a steel wire rope and an installation rod in the use process, a wedge block of a vibrating wire type drilling stress meter is fixed by a plastic screw with the wedge block, then two thin rods protruding out of the tail part of the vibrating wire type drilling stress meter are fixed in a first positioning groove (1), a cylinder protruding out of the tail part of the vibrating wire type drilling stress meter is fixed in a positioning hole (3), a wire is also arranged in the positioning hole (3), and the wedge block is fixed in a second positioning groove (2); then tying the steel wire rope on the round hole of the wedge block, connecting the mounting rod on the tail part of the mounting head, carding the lead and the steel wire rope, using the mounting rod to send the vibrating wire type drilling stress gauge into the hole, fixing the mounting rod after reaching the designated position, pulling the steel wire rope out for a certain distance to enable the wedge block to be clung to the hole wall, and successfully mounting the vibrating wire type drilling stress gauge at the moment; and then the mounting rod is rocked to pull out the mounting rod and the mounting head.
2. The vibrating wire borehole stress gauge mounting head according to claim 1, wherein: the width of the positioning groove II (2) is 10mm, the length is 150mm, the positioning groove II is divided into a front section, a middle section and a rear section, the length of the front section is 30mm, the positioning groove II is communicated with the positioning hole (3), the length of the middle section is 70mm, the depth is 14.55mm, the length of the rear section is 50mm, and the depth is 5.775mm.
3. The vibrating wire borehole stress gauge mounting head according to claim 1, wherein: the inside of the threaded hole (4) is provided with a positive thread, and the thread depth is 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010379.2A CN108181027B (en) | 2018-01-05 | 2018-01-05 | Vibrating wire type drilling stress meter mounting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010379.2A CN108181027B (en) | 2018-01-05 | 2018-01-05 | Vibrating wire type drilling stress meter mounting head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108181027A CN108181027A (en) | 2018-06-19 |
| CN108181027B true CN108181027B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810010379.2A Active CN108181027B (en) | 2018-01-05 | 2018-01-05 | Vibrating wire type drilling stress meter mounting head |
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| CN (1) | CN108181027B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181027B (en) * | 2018-01-05 | 2023-10-13 | 北京科技大学 | Vibrating wire type drilling stress meter mounting head |
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| CN106546359A (en) * | 2016-11-24 | 2017-03-29 | 中国矿业大学 | A kind of surrouding rock stress measuring system |
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| CN108181027A (en) | 2018-06-19 |
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Effective date of registration: 20190306 Address after: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Applicant after: University OF SCIENCE AND TECHNOLOGY BEIJING Applicant after: Shandong Jinding Mining Co.,Ltd. Address before: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Applicant before: University of Science and Technology Beijing |
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