CN212133624U - Device for detecting perpendicularity of pile foundation drill core sampling hole by using inclination angle sensor - Google Patents
Device for detecting perpendicularity of pile foundation drill core sampling hole by using inclination angle sensor Download PDFInfo
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- CN212133624U CN212133624U CN202020931859.5U CN202020931859U CN212133624U CN 212133624 U CN212133624 U CN 212133624U CN 202020931859 U CN202020931859 U CN 202020931859U CN 212133624 U CN212133624 U CN 212133624U
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- angle sensor
- inclination angle
- shell
- pile foundation
- hole
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
Abstract
The invention relates to the field of infrastructure, in particular to a device for detecting perpendicularity of a pile foundation drill core sampling hole by using an inclination angle sensor. A device for detecting the verticality of a pile foundation core drilling sampling hole by an inclination angle sensor selects a plastic cylinder with the same aperture size as the pile foundation core drilling sampling hole as a shell, the shell is provided with a hole, and the inclination angle sensor penetrates through the hole on the shell and is installed on the inner wall of the shell; an air bag is arranged on the opposite side of the tilt angle sensor on the inner wall of the shell and is connected with an inflator pump on the ground through an inflation tube; the inclination angle sensor is connected with a reading instrument on the ground through a data line. And a valve and a pressure gauge are arranged on the inflation tube. The shell is provided with a rope. The device for detecting the perpendicularity of the pile foundation drill core sampling hole by using the inclination angle sensor has the advantages of convenience in operation and reliable result.
Description
Technical Field
The invention relates to the field of infrastructure, in particular to a device for detecting the perpendicularity of a pile foundation drill core sampling hole by using an inclination angle sensor.
Background
In the core drilling of the pile foundation, the cut drill holes are sometimes inclined, and in order to eliminate the problem, the perpendicularity detection of the core drill holes is very necessary. An inclination angle sensor can be used for detecting the verticality, but the sensor is difficult to keep a close contact state with the hole wall, so the measurement result is not ideal. In view of the fact that a very effective verticality detection device has not been found so far, the invention provides a device and a method for detecting the verticality of a pile foundation core drilling sampling hole, and the device and the method have the advantages of convenience in operation and reliable results.
Disclosure of Invention
The invention aims to provide a device for detecting the perpendicularity of a pile foundation drill core sampling hole by using an inclination angle sensor.
In order to achieve the purpose, the invention adopts the technical scheme that: a device for detecting the verticality of a pile foundation core drilling sampling hole by an inclination angle sensor selects a plastic cylinder with the same aperture size as the pile foundation core drilling sampling hole as a shell, the shell is provided with a hole, and the inclination angle sensor penetrates through the hole on the shell and is installed on the inner wall of the shell; an air bag is arranged on the opposite side of the tilt angle sensor on the inner wall of the shell and is connected with an inflator pump on the ground through an inflation tube; the inclination angle sensor is connected with a reading instrument on the ground through a data line.
Preferably, the inclination angle sensor detects the perpendicularity of the pile foundation drill core sampling hole, and a valve and a pressure gauge are arranged on the inflation tube.
Preferably, the casing is provided with a rope, and the inclination angle sensor is used for detecting the perpendicularity of the pile foundation core drilling sampling hole.
Preferably, the inclination angle sensor is a high-sensitivity inclination angle sensor for detecting the perpendicularity of the pile foundation core drilling sampling hole.
The invention has the beneficial effects that:
(1) the device can detect the inclination angle (non-perpendicularity) of each depth of the sampling hole, and can draw a more intuitive and accurate depth-inclination angle relation curve according to the measured data.
(2) This device is applicable to the thief hole of multiple diameter, and inclination sensor is all relatively laminated the thief hole pore wall.
(3) The device has high detection efficiency, the data acquisition of each measuring point can be controlled to be less than 10s, and the recording time of a data reading person is determined, namely the shorter the recording time is, the faster the acquisition speed is.
(4) The device is less affected by the environment and is widely applicable.
Drawings
FIG. 1 is a schematic elevation view of a device for detecting perpendicularity of a core drilling and sampling hole of a pile foundation by using an inclination angle sensor.
FIG. 2 is a schematic cross-sectional view of a device for detecting the perpendicularity of a core drilling and sampling hole of a pile foundation by using an inclination angle sensor.
The labels in the figure are: 1. an inflator pump; 2. a valve; 3. a barometer; 4. a rope; 5. a tilt sensor; 6. a housing; 7. an air bag; 8. an inflation tube; 9. a reading instrument; 10. a data line; 11. a bore wall.
Detailed Description
A device for detecting the verticality of a pile foundation core drilling sampling hole by an inclination angle sensor selects a plastic cylinder with the same aperture size as the pile foundation core drilling sampling hole as a shell 6, a hole is arranged on the shell 6, and an inclination angle sensor 5 penetrates through the hole on the shell 6 and is installed on the inner wall of the shell 6; an air bag 7 is arranged on the opposite side of the inclination angle sensor 5 on the inner wall of the shell 6, and the air bag 7 is connected with an inflator pump 1 on the ground through an inflation tube 8; the tilt sensor 5 is connected to a ground reading device 9 via a data line 10. And the gas-filled pipe 8 is provided with a valve 2 and a pressure gauge 3. The shell 6 is provided with a rope 4. The tilt sensor 5 is a high-sensitivity tilt sensor.
Examples
Factory building in the city of building, frame structure type, 4-storey building with building area 36932m2The pile type is a punched pile, the pile diameter is 800mm, the pile length is about 14-26 m, the characteristic value of the bearing capacity of a single pile is 2500kN, the designed strength grade of concrete of a pile body is C25, the total number of engineering piles is 68, the number of detected piles is 3, and the detection method is a drilling and core pulling method. The diameter of the loose core is 100 mm.
The device for detecting the perpendicularity of the pile foundation drill core sampling hole by adopting the inclination angle sensor is used for detecting the drilled hole of each pile, a plastic cylinder with the diameter of 100mm is selected as a shell 6, a hole is formed in the shell 6, and the inclination angle sensor 5 penetrates through the hole in the shell 6 and is installed on the inner wall of the shell 6; an air bag 7 is arranged on the opposite side of the inclination angle sensor 5 on the inner wall of the shell 6, and the air bag 7 is connected with an inflator pump 1 on the ground through an inflation tube 8; the tilt sensor 5 is connected to a ground reading device 9 via a data line 10. The tilt sensor 5 is a high-sensitivity tilt sensor. And the gas-filled pipe 8 is provided with a valve 2 and a pressure gauge 3. The shell 6 is provided with a rope 4. For pulling the instrument device.
The inclination angle sensor detects the perpendicularity of the pile foundation core drilling sampling hole, and the using process of the device is as follows: the plastic shell 6 is coated with lubricating oil, resistance between the plastic shell and the hole wall 11 is reduced, abrasion of the shell is reduced, the device is placed at the bottom of the hole, the valve 2 is opened, the inflator pump 1 is started to inflate the air bag 7 through the inflation tube 8 until the inclination angle sensor 5 can normally read, the rope 4 is pulled to pull the device upwards, and measurement is carried out once every 0.5m, and data are read. Then the air bag 7 is deflated, and is replaced to the bottom of the hole, and the position is shifted, so that multiple measurements are carried out.
And measuring that the verticality deviation of each drill core hole is not more than 0.5 percent and accords with relevant standard regulations.
Claims (4)
1. A device for detecting the perpendicularity of a pile foundation core drilling sampling hole by using an inclination angle sensor is characterized in that a plastic cylinder with the same aperture size as the pile foundation core drilling sampling hole is selected as a shell (6), a hole is formed in the shell (6), and an inclination angle sensor (5) penetrates through the hole in the shell (6) and is installed on the inner wall of the shell (6); an air bag (7) is arranged on the opposite side of the inclination angle sensor (5) on the inner wall of the shell (6), and the air bag (7) is connected with an inflator pump (1) on the ground through an inflation tube (8); the inclination angle sensor (5) is connected with a reading instrument (9) on the ground through a data line (10).
2. The device for detecting the perpendicularity of the pile foundation core drilling and sampling hole by the inclination angle sensor according to claim 1 is characterized in that a valve (2) and a pressure gauge (3) are arranged on the gas filling pipe (8).
3. The device for detecting the perpendicularity of the pile foundation core drilling and sampling hole by the tilt angle sensor according to claim 1 is characterized in that a rope (4) is arranged on the shell (6).
4. The device for detecting the perpendicularity of the core drilling and sampling hole of the pile foundation by the inclination angle sensor according to claim 1, wherein the inclination angle sensor (5) is a high-sensitivity inclination angle sensor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020931859.5U CN212133624U (en) | 2020-05-28 | 2020-05-28 | Device for detecting perpendicularity of pile foundation drill core sampling hole by using inclination angle sensor |
| DE202020106941.1U DE202020106941U1 (en) | 2020-05-28 | 2020-12-02 | Device for detecting a verticality of a core drilling sampling hole of a pile foundation with an inclination sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020931859.5U CN212133624U (en) | 2020-05-28 | 2020-05-28 | Device for detecting perpendicularity of pile foundation drill core sampling hole by using inclination angle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212133624U true CN212133624U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020931859.5U Active CN212133624U (en) | 2020-05-28 | 2020-05-28 | Device for detecting perpendicularity of pile foundation drill core sampling hole by using inclination angle sensor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN212133624U (en) |
| DE (1) | DE202020106941U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902879A (en) * | 2021-03-17 | 2021-06-04 | 徐州市昱威电子科技有限公司 | Engineering machinery tilt angle sensor based on internet of things technology |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116858190B (en) * | 2023-06-28 | 2024-04-09 | 中煤科工集团武汉设计研究院有限公司 | Intelligent vertical detection equipment for building engineering construction |
-
2020
- 2020-05-28 CN CN202020931859.5U patent/CN212133624U/en active Active
- 2020-12-02 DE DE202020106941.1U patent/DE202020106941U1/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902879A (en) * | 2021-03-17 | 2021-06-04 | 徐州市昱威电子科技有限公司 | Engineering machinery tilt angle sensor based on internet of things technology |
| CN112902879B (en) * | 2021-03-17 | 2022-09-06 | 徐州市昱威电子科技有限公司 | Engineering machinery tilt angle sensor based on internet of things technology |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202020106941U1 (en) | 2021-01-21 |
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