CN104990640A - Drill hole inner wall soil temperature rapid determination apparatus - Google Patents
Drill hole inner wall soil temperature rapid determination apparatus Download PDFInfo
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- CN104990640A CN104990640A CN201510224599.1A CN201510224599A CN104990640A CN 104990640 A CN104990640 A CN 104990640A CN 201510224599 A CN201510224599 A CN 201510224599A CN 104990640 A CN104990640 A CN 104990640A
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Abstract
The invention relates to a drill hole inner wall soil temperature rapid determination apparatus, characterized in that a telescopic pole and a spring are arranged in a herringbone opening and closing device; a temperature sensor is fixed to the outside of the herringbone opening and closing device; the top end of the herringbone opening and closing device is connected to a shaft; an extension rod is arranged above the shaft, and is in connection with the shaft; a parking brake is arranged above the extension rod, and is provided with a thread jamming device; the thread jamming device is provided with a pull line; the pull line penetrates the extension rod and the shaft, and is in connection with the telescopic pole arranged in the herringbone opening and closing device. The drill hole inner wall soil temperature rapid determination apparatus has the characteristics of convenient operation and accurate result determination, can save both time and labor, and plays an import role in improving the detection efficiency of a cold area engineering backfill refreezing process.
Description
Technical field
The present invention relates to the device measuring soil temperature, particularly a kind of device for the indirect Fast Measurement of cold regions engineering backfill soil different parts core temperature.
Background technology
In recent years, along with the quickening of development of the West Regions paces, the national Important Project such as Qinghai-Tibet Railway, Qinghai-Tibet alternating current-direct current networking project, Qinghai-Tibet highway Qinghai-Tibet permafrost region constantly implement and etc. to be deployed.In Process of Engineering Construction, basis all will form a large amount of backfill soil around.According to engineering construction requirement, all need after engineering construction completes to detect the refreezing process of backfill soil, to reconnoitre the engineering characteristic situation of change such as unit weight, packing, ice content, temperature, stress intensity of backfill soil, evaluate the impact on engineering foundation stability in backfill soil refreezing process with this.In Permafrost Area, soil temperature is the determinative causing backfill soil mechanical property generation radical change, is also to pass judgment on mechanical characteristic in backfill soil refreezing process whether the important indicator of acute variation occurs; Simultaneously, the soil temperature of backfill soil also determine migration and the conversion process of soil body moisture in engineering foundation, the huge contrast in its temperature field and periphery natural rock-filled temperature field easily causes excessive migration and the gathering of moisture, very easily produce the unfavorable geology such as thaw slumping or frost heave disaster, the stability of grievous injury engineering foundation.
In detecting engineering in permafrost regions foundation filling soil refreezing process, the unit weight, packing, ice content, core temperature, mechanical characteristic etc. that could must be banketed to different parts by boring coring are measured.But, in boring and coring process, owing to being subject to the grinding of drilling tool, the impact of ground environment, directly core temperature being measured and often there is larger error and uncertainty; And adopt the mode of pre-buried temperature sensor to measure backfill soil core temperature at prospecting point often to need special instrument and equipment.This instrument and equipment is with high costs, and pre-buried temperature sensor is easily subject to the impact of engineering construction and is usually damaged, and makes it be difficult to popularize on a large scale and use.Therefore, get after core completes in engineering foundation backfill soil, the soil temperature of drill hole inner wall is measured, it is the best mode of indirect determination core temperature, while avoiding external environment on measurement result impact, also can significantly reduce backfill soil engineering detecting cost, and have fast, advantage easily.
Although measure the instrument and equipment varied (as cable for measuring temperature, hand-held temperature measuring instrument, soil moisture measuring instrument etc.) of temperature at present, but do not have aly to design for core drill hole inner wall soil temperature Fast Measurement especially, and often these instrument and equipment costs are high, to be difficult to meet in engineer applied fast, requirement easily.Therefore, research and develop a kind of drill hole inner wall soil temperature rapid determination device, for raising cold regions engineering backfill soil refreezing process detection efficiency, there is vital role.
Summary of the invention
In view of above-mentioned, the object of the present invention is to provide a kind of device of drill hole inner wall soil temperature Fast Measurement, indirectly measure the temperature of core for the drill hole inner wall soil body exactly, improve the efficiency that cold regions engineering backfill soil refreezing process detects.
Technical scheme of the present invention is:
A device for drill hole inner wall soil temperature Fast Measurement, is made up of temperature sensor, " people " font open and close device, bracing wire, spring, extension rod, parking brake, fixing-line device and expansion link.Be equipped with expansion link and spring between " people " font open and close device, expansion link is positioned at the top of spring, the outside of temperature sensor is fixed on " people " word open and close device, and " people " font open and close device top knot is in axle, and the top of axle is equipped with extension rod, and is connected with axle; Above extension rod, parking brake is housed, parking brake arranges fixing-line device, the bracing wire on fixing-line device, be drawstring through extension rod and axle, be connected with the expansion link be equipped with between " people " font open and close device.
The estimating precision of said temperature sensor is ± 0.01 DEG C, range ability-50 DEG C-50 DEG C, and the response time is 0.1 second.
Above-mentioned extension rod inside is hollow structure, and material can be stainless steel or for timber or for plastics.
The effect of advantage of the present invention and generation is:
1, the present invention is used for Fast Measurement drill hole inner wall soil temperature, has the features such as simple operation, measurement result are accurate, time saving and energy saving, has vital role for raising cold regions engineering backfill soil refreezing process detection efficiency.
2, structure of the present invention is simple, economical and practical, the temperature of core can be measured exactly, accurately pass judgment on backfill soil engineering mechanics feature, internal moisture Transport And Transformation process of banketing for predictive engine basis, to improve the efficiency that cold regions engineering backfill soil refreezing process detects significant.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further again:
As shown in Figure 1, a kind of device of drill hole inner wall soil temperature Fast Measurement, is made up of temperature sensor 1, " people " font open and close device 2, bracing wire 3, spring 4, extension rod 5, parking brake 6 and fixing-line device 7.Be equipped with expansion link 9 and spring 4 between " people " font open and close device 2, the outside that temperature sensor 1 is fixed on " people " word open and close device 2 is adopted instrument with number and is connected." people " font open and close device 2 top is occured simultaneously in axle 8, and the top of axle 8 is equipped with extension rod 5, and is connected with axle 8; Extension rod 5 inside is hollow structure, and material can be stainless steel or for timber or for plastics, parking brake 6 is housed above it, parking brake 6 arranged fixing-line device 7, fixing-line device 7 for bracing wire 3 being clamped and being fixed on parking brake 6, bracing wire 3 slippage when preventing parking brake 6 from drawing.Bracing wire 3 on fixing-line device 7 can be finer wire or nylon wire, and bracing wire 3 is passed from extension rod 5 and axle 8 inside, for being equipped with expansion link 9 between traction " people " font open and close device 2.
When utilizing this device to measure cold district frozen soil engineering backfill soil drill hole inner wall soil temperature, first fixing-line device 7 is unclamped, " people " font open and close device 2 with temperature sensor 1 is placed in the detected part of bore inner by extension rod 5, then tightens fixing-line device 7 and bracing wire 3 is fixed.Slowly close parking brake 6 with hand, draw the expansion link 9 between " people " font open and close device 2 by bracing wire 3, expansion link 9 opening degree is increased; Drill hole inner wall is close to by temperature sensor 1 outside " people " font open and close device 2, by temperature sensor 1, temperature transmitted number and adopts instrument, adopted the soil temperature of instrument record measurement site drill hole inner wall by number.
After having measured the soil temperature of a part drill hole inner wall, come up parking brake, loosens the bracing wire 3 on fixing-line device 7, and expansion link 9 between " people " font open and close device 2 is drawn in bracing wire 3 and spring 4 opening degree reduces, temperature sensor 1 is separated with bore inner soil body surface, and device can be mobile in boring.
When measuring the soil temperature of other degree of depth of drill hole inner wall, extension rod 5 and bracing wire 3 length being adjusted accordingly, by aforesaid operations process, completes the mensuration of different parts drill hole inner wall soil temperature.
After whole drill hole inner wall soil temperature completes measurement, unclamp fixing-line device 7, retraction extension rod 5 and bracing wire 3, and carry out corresponding clean, then device is properly preserved.
Claims (3)
1. the device of a drill hole inner wall soil temperature Fast Measurement, by temperature sensor (1), " people " font open and close device (2), bracing wire (3), spring (4), extension rod (5), parking brake (6), fixing-line device (7) and expansion link (9) composition, it is characterized in that between " people " font open and close device (2), being equipped with expansion link (9) and spring (4), expansion link (9) is positioned at the top of spring (4), temperature sensor (1) is fixed on the outside of " people " word open and close device (2), " people " font open and close device (2) top knot is in axle (8), the top of axle (8) is equipped with extension rod (5), and be connected with axle (8), parking brake (6) is equipped with in extension rod (5) top, parking brake (6) is arranged fixing-line device (7), bracing wire (3) on fixing-line device (7), bracing wire (3), through extension rod (5) and axle (8), is connected with the expansion link (9) be equipped with between " people " font open and close device (2).
2. the device of a kind of drill hole inner wall soil temperature Fast Measurement according to claim 1, it is characterized in that the estimating precision of said temperature sensor is ± 0.01 DEG C, range ability-50 DEG C-50 DEG C, the response time is 0.1 second.
3. the device of a kind of drill hole inner wall soil temperature Fast Measurement according to claim 1, is characterized in that above-mentioned extension rod inside is hollow structure, and material can be stainless steel or for timber or be plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510224599.1A CN104990640B (en) | 2015-05-06 | 2015-05-06 | The device that drill hole inner wall soil temperature is quickly determined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510224599.1A CN104990640B (en) | 2015-05-06 | 2015-05-06 | The device that drill hole inner wall soil temperature is quickly determined |
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| CN104990640A true CN104990640A (en) | 2015-10-21 |
| CN104990640B CN104990640B (en) | 2017-07-14 |
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| CN201510224599.1A Active CN104990640B (en) | 2015-05-06 | 2015-05-06 | The device that drill hole inner wall soil temperature is quickly determined |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784144A (en) * | 2016-03-22 | 2016-07-20 | 天津市市政工程设计研究院 | On-site road surface internal temperature test device and on-site drilling method |
| CN106595883A (en) * | 2016-12-07 | 2017-04-26 | 四川秋明山测绘有限公司 | Rock temperature measuring device capable of protecting temperature measuring probe |
| CN106595902A (en) * | 2016-12-07 | 2017-04-26 | 四川秋明山测绘有限公司 | Apparatus for measuring rock temperature |
| CN106644124A (en) * | 2016-12-07 | 2017-05-10 | 四川秋明山测绘有限公司 | Device for measuring rock temperature |
| CN106644123A (en) * | 2016-12-07 | 2017-05-10 | 四川秋明山测绘有限公司 | Rock temperature measuring device used for mine |
| CN106644116A (en) * | 2016-12-07 | 2017-05-10 | 四川秋明山测绘有限公司 | Simple rock temperature measuring device |
| CN106644121A (en) * | 2016-12-07 | 2017-05-10 | 四川秋明山测绘有限公司 | Novel rock temperature measuring device |
| CN107389226A (en) * | 2017-07-19 | 2017-11-24 | 中国科学院寒区旱区环境与工程研究所 | A kind of Frozen Ground Area heat pipe floor data detection means based on heat flow density |
| CN111119729A (en) * | 2020-01-09 | 2020-05-08 | 大连理工大学 | Ice drill for observing ice layer vertical temperature profile and using method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784144A (en) * | 2016-03-22 | 2016-07-20 | 天津市市政工程设计研究院 | On-site road surface internal temperature test device and on-site drilling method |
| CN105784144B (en) * | 2016-03-22 | 2018-08-21 | 天津市市政工程设计研究院 | A kind of device of on-the-spot test road surface internal temperature and live boring method |
| CN106595883A (en) * | 2016-12-07 | 2017-04-26 | 四川秋明山测绘有限公司 | Rock temperature measuring device capable of protecting temperature measuring probe |
| CN106595902A (en) * | 2016-12-07 | 2017-04-26 | 四川秋明山测绘有限公司 | Apparatus for measuring rock temperature |
| CN106644124A (en) * | 2016-12-07 | 2017-05-10 | 四川秋明山测绘有限公司 | Device for measuring rock temperature |
| CN106644123A (en) * | 2016-12-07 | 2017-05-10 | 四川秋明山测绘有限公司 | Rock temperature measuring device used for mine |
| CN106644116A (en) * | 2016-12-07 | 2017-05-10 | 四川秋明山测绘有限公司 | Simple rock temperature measuring device |
| CN106644121A (en) * | 2016-12-07 | 2017-05-10 | 四川秋明山测绘有限公司 | Novel rock temperature measuring device |
| CN107389226A (en) * | 2017-07-19 | 2017-11-24 | 中国科学院寒区旱区环境与工程研究所 | A kind of Frozen Ground Area heat pipe floor data detection means based on heat flow density |
| CN111119729A (en) * | 2020-01-09 | 2020-05-08 | 大连理工大学 | Ice drill for observing ice layer vertical temperature profile and using method thereof |
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| CN104990640B (en) | 2017-07-14 |
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Effective date of registration: 20230925 Address after: 730000 No.318 Donggang West Road, Chengguan District, Lanzhou City, Gansu Province Patentee after: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CHINESE ACADEMY OF SCIENCES Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID QINGHAI ELECTRIC POWER Co. Address before: Chengguan District of Gansu city of Lanzhou province Donggang West Road 730000 No. 320 Patentee before: COLD AND ARID REGIONS ENVIRONMENTAL AND ENGINEERING Research Institute,CHINESE ACADEMY OF SCIENCES Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID QINGHAI ELECTRIC POWER Co. |
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