CN204788722U - Portable spot test drilling inner wall soil body temperature device - Google Patents
Portable spot test drilling inner wall soil body temperature device Download PDFInfo
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- CN204788722U CN204788722U CN201520284959.2U CN201520284959U CN204788722U CN 204788722 U CN204788722 U CN 204788722U CN 201520284959 U CN201520284959 U CN 201520284959U CN 204788722 U CN204788722 U CN 204788722U
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- people
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Abstract
The utility model discloses a portable spot test drilling inner wall soil body temperature device, its constitutional features is the people " the font opens and shuts and has put telescopic link and spring between the ware, and temperature sensor is fixed in the open and shut outside of ware of " people " font, and " people " font opens and shuts the ware top and hands over and tie in the axle, and the extension rod has been put to the top of axle, and the hub connection, the manual brake is equipped with to extension rod top, sets up the fixing -line device on the manual brake, acts as go -between on the fixing -line device, acts as go -between and passes extension rod and axle, opens and shuts with " people " font and puts some telescopic links between the ware and be connected. The utility model has the characteristics of simple operation, analysis results accuracy, labour saving and time saving etc, return and freeze process detection efficiency and have the important function to improving cold district engineering back filling.
Description
Technical field
The utility model relates to a kind of device of portable Fast Measurement drill hole inner wall soil temperature, particularly a kind of device for indirect Fast Measurement cold regions engineering backfill soil 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 portable 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 purpose of this utility model is to invent a kind of portable Fast Measurement drill hole inner wall soil temperature device, for indirectly measuring the temperature of core exactly, improves the efficiency that cold regions engineering backfill soil refreezing process detects.
The technical solution of the utility model is:
A kind of portable Fast Measurement drill hole inner wall soil temperature device, 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), fixing-line device (7) and expansion link (9).Expansion link (9) and spring (4) is equipped with between " people " font open and close device (2), expansion link (9) is positioned at the top of spring (4), temperature sensor (1) is fixed on the outside of " people " font 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 is connected with axle (8); Parking brake (6) is equipped with in extension rod (5) top, parking brake (6) is arranged fixing-line device (7), fixing-line device (7) has bracing wire (3), 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).
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 utility model and generation is:
1, the utility model 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, the utility model structure is simple, economical and practical, the temperature measuring core exactly accurately passes 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 the utility model schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further again:
As shown in Figure 1, a kind of portable Fast Measurement drill hole inner wall soil temperature device, 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 " font open and close device 2 is adopted instrument with number and is connected." people " font open and close device 2 top knot is 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, material can be stainless steel or for timber or for plastics, parking brake 6 is housed above it, parking brake 6 is arranged fixing-line device 7, bracing wire 3 on fixing-line device 7 can be finer wire or nylon wire, 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, fixing-line device 7 for bracing wire being clamped and fixing, bracing wire slippage when preventing parking brake from drawing.Then 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. a portable Fast Measurement drill hole inner wall soil temperature device, be made up of 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)
it is characterized in thatexpansion link (9) and spring (4) is equipped with between " people " font open and close device (2), expansion link (9) is positioned at the top of spring (4), temperature sensor (1) is fixed on the outside of " people " font 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 is connected with axle (8); Parking brake (6) is equipped with in extension rod (5) top, parking brake (6) is arranged fixing-line device (7), fixing-line device (7) has bracing wire (3), 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. one according to claim 1 portable Fast Measurement drill hole inner wall soil temperature device, is characterized in that 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.
3. one according to claim 1 portable Fast Measurement drill hole inner wall soil temperature device, is characterized in that above-mentioned extension rod inside is for hollow structure, and material can be stainless steel or for timber or be plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284959.2U CN204788722U (en) | 2015-05-06 | 2015-05-06 | Portable spot test drilling inner wall soil body temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284959.2U CN204788722U (en) | 2015-05-06 | 2015-05-06 | Portable spot test drilling inner wall soil body temperature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788722U true CN204788722U (en) | 2015-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520284959.2U Withdrawn - After Issue CN204788722U (en) | 2015-05-06 | 2015-05-06 | Portable spot test drilling inner wall soil body temperature device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204788722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990640A (en) * | 2015-05-06 | 2015-10-21 | 中国科学院寒区旱区环境与工程研究所 | Drill hole inner wall soil temperature rapid determination apparatus |
-
2015
- 2015-05-06 CN CN201520284959.2U patent/CN204788722U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990640A (en) * | 2015-05-06 | 2015-10-21 | 中国科学院寒区旱区环境与工程研究所 | Drill hole inner wall soil temperature rapid determination apparatus |
| CN104990640B (en) * | 2015-05-06 | 2017-07-14 | 中国科学院寒区旱区环境与工程研究所 | The device that drill hole inner wall soil temperature is quickly determined |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20170714 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20170714 |