CN203824852U - Device for testing hardness and compressive strength of ice in low temperature environment - Google Patents
Device for testing hardness and compressive strength of ice in low temperature environment Download PDFInfo
- Publication number
- CN203824852U CN203824852U CN201420253220.0U CN201420253220U CN203824852U CN 203824852 U CN203824852 U CN 203824852U CN 201420253220 U CN201420253220 U CN 201420253220U CN 203824852 U CN203824852 U CN 203824852U
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- low
- low temperature
- hardness
- refrigerator
- temperature
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 41
- 230000001808 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 9
- 230000000630 rising Effects 0.000 claims description 5
- 238000007542 hardness measurement Methods 0.000 abstract 5
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 2
- 239000004078 cryogenic material Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
Abstract
The utility model discloses a device for testing hardness and compressive strength of ice in a low temperature environment. The device consists of a low temperature refrigerator, a hardness testing table and a parameter collection and control system, wherein the hardness testing table is arranged in the low temperature refrigerator; the parameter collection and control system is positioned outside the low temperature refrigerator; data cables of the low temperature pressure sensor and the low temperature displacement sensor of the hardness testing table, and the power cord of the electric elevator of the hardness testing table are led to the outside of the low temperature refrigerator through small holes in the side surface of the low temperature refrigerator, and are connected with a control cabinet. The low temperature refrigerator can provide low temperature environment for test samples; the parameter collection and control system controls the movement of the electric elevator in the hardness testing table, collects signals of the low temperature displacement sensor and the low temperature pressure sensor, and provides power for the low temperature displacement sensor, the low temperature pressure sensor and the electric elevator, and meanwhile is responsible for collecting signals, and displaying and storing related test data in real time; the low temperature displacement sensor and pressure sensor are adopted to collect the signals, the parameter collection and control system is positioned in the ordinary temperature environment, and the requirements of components on environment temperature are reduced.
Description
Technical field
The utility model relates to hardness and the determiner for compression strength of ice under a kind of low temperature environment.
Background technology
Rapidly, the character of cryogenic material also more measurement to China's cryogenic science development, and the measurement data of hardness and intensity is relative less, the particularly measurement of the hardness to ice and intensity, and domestic correlative study is still less.In polar drilling field, the hardness of ice and intensity are all significant to drilling technology and equipment.But consult domestic data, there is not yet dependence test experiment; Abroad, also, only in five sixties, have hardness and the intensity of part expert to ice to do some preliminary surveyings, related data data is extremely poor.
The general sclerometer testing table of selling has adopted a large amount of conventional electronic component and Hydraulic Elements in the market, and these components and parts cannot obtain parameter accurately in temperature during lower than subzero 20 DEG C.
Summary of the invention
The purpose of this utility model provides hardness and the determiner for compression strength of ice under a kind of low temperature environment.
The utility model is by low-temp. refrigerator, hardness test platform, parameter acquisition and composition of the control system, hardness test platform is arranged in low-temp. refrigerator, parameter acquisition and control system are positioned at low-temp. refrigerator outside, the low-temperature pressure sensor of hardness test platform and the data line of low-temperature level displacement sensor and the power lead of electric lift cause outside low-temp. refrigerator by low-temp. refrigerator side aperture, and are connected with control box.Low-temp. refrigerator is the Cryo Equipment of buying on market, and cold in-cabinet temperature is minimum reaches-60 DEG C.Low-temp. refrigerator can provide low temperature environment for test specimens product;
Parameter acquisition and control system are made up of host computer and control box, the signal that is mainly used to control the motion of electric lift in hardness test platform and gathers low-temperature level displacement sensor, low-temperature pressure sensor; Control box is connected with hardness test platform by wire, for low-temperature level displacement sensor, low-temperature pressure sensor and electric lift provide power supply, be responsible for collection signal simultaneously, and by Serial Port Line, signal transferred in host computer, host computer shows in real time and stores relevant test data; In control box, control system can in very large range be carried out stepless speed regulation to the rising or falling speed of electric lift.
Hardness test platform is by the first dog screw, top board, adapter coupling, support bar, electric lift, displacement transducer installing plate, footing nut, low-temperature pressure sensor, trip bolt, standard hardness pressure head, sample tray, low-temperature level displacement sensor, the second dog screw and base plate form, top board and base plate are set in respectively the top and the bottom of four support bars, the upper and lower side of each support bar is with the fixing top board of nut and base plate, the bottom of each support bar is bolted with footing nut, electric lift is arranged on base plate, sample tray is fixed on electric lift top, sample tray can move up and down along with electric lift, displacement transducer installing plate is fixed on base plate, the bottom of low-temperature level displacement sensor is fixed in displacement transducer installing plate by the second dog screw, the upper end of low-temperature level displacement sensor is connected with sample tray edge, low-temperature pressure sensor is fixed on the bottom of top board by the first dog screw, adapter coupling is fixed on the bottom of low-temperature pressure sensor, and standard hardness pressure head is plugged on adapter coupling bottom and fixes by trip bolt.
The bottom of described adapter coupling is fixed with flat clamp.
The course of work of the present utility model:
First hardness test platform is put into low-temp. refrigerator, low-temperature pressure sensor and the data line of low-temperature level displacement sensor and the power lead of electric lift cause outside low-temp. refrigerator by low-temp. refrigerator side aperture, and are connected with control box.
Open low-temp. refrigerator power supply, and temperature is adjusted to temperature to be detected, in this process, hardness test platform is placed in refrigerator all the time, and temperature exerts an influence to test sample temperature.Test sample is positioned over sample tray center, starts electric lift, sample is risen to standard Brinell hardnell penetrator and just contact, now by the zero clearing of displacement transducer numerical value.Connect electric up-down electromechanical source, regulate electric lift rising, standard Brinell hardnell penetrator extruding test sample, low-temperature pressure sensor output pressure value, low-temperature level displacement sensor output displacement value.In the time that force value reaches a certain setting value, motor stops, and can obtain force value and compression distance by monitoring software system, can calculate test sample hardness number by pressure and compression distance.
Standard Brinell hardnell penetrator is replaceable is rock indentation hardness pressure head, Rockwell pressure head etc., just can measure corresponding penetration hardness and Rockwell's hardness.
Change wide range pressure transducer, and standard hardness pressure head is replaced by flat clamp, can measure the compressive strength of ice, and can draw the stress-strain curves of ice sample in conjunction with displacement transducer data.Test process is the same.
Utilize this testing table also can measure hardness and the intensity of other materials under low temperature environment.Test process is identical with ice sample test.
The beneficial effects of the utility model:
The utility model has solved ice hardness test problems under low temperature environment well, the utility model adopts low-temperature level displacement sensor and low-temperature pressure sensor collection signal, and parameter acquisition and control system are placed under normal temperature environment, reduce the requirement of components and parts to environment temperature.
The utility model is simple in structure, and reliable operation is easy to operate, and can realize several functions, can test material variety classes hardness number after standard of replacement hardness penetrator, and as Brinell hardness, penetration hardness etc.Simultaneously beyond deicing, can also be used to detect the hardness performance of other cryogenic materials, when changing after sensors of large measurement range, also can be used for the parameter such as compressive strength of test material, there is certain versatility.
Brief description of the drawings
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is hardness test platform schematic perspective view of the present utility model.
Embodiment
Refer to shown in Fig. 1 and Fig. 2, the present embodiment is made up of low-temp. refrigerator A, hardness test platform B, parameter acquisition and control system C, hardness test platform B is arranged in low-temp. refrigerator A, parameter acquisition and control system C are positioned at low-temp. refrigerator A outside, the power lead of the low-temperature pressure sensor 12 of hardness test platform B and the data line of low-temperature level displacement sensor 16 and electric lift 9 causes outside low-temp. refrigerator A by low-temp. refrigerator A side aperture, and is connected with control box 3.Low-temp. refrigerator A is the Cryo Equipment of buying on market, and cold in-cabinet temperature is minimum reaches-60 DEG C.Low-temp. refrigerator A can provide low temperature environment for test specimens product 8;
Parameter acquisition and control system C are made up of host computer 2 and control box 3, the signal that is mainly used to control the motion of electric lift 9 in hardness test platform B and gathers low-temperature level displacement sensor 16, low-temperature pressure sensor 12; Control box 3 is connected with hardness test platform B by wire 1, for low-temperature level displacement sensor 16, low-temperature pressure sensor 12 and electric lift provide power supply, be responsible for collection signal simultaneously, and by Serial Port Line, signal transferred in host computer 2, host computer 2 shows and storage relevant test data in real time; In control box 3, control system can in very large range be carried out stepless speed regulation to the rising or falling speed of electric lift 9.
Hardness test platform B is by the first dog screw 4, top board 5, adapter coupling 6, support bar 7, electric lift 9, displacement transducer installing plate 10, footing nut 11, low-temperature pressure sensor 12, trip bolt 13, standard hardness pressure head 14, sample tray 15, low-temperature level displacement sensor 16, the second dog screw 17 and base plate 18 form, top board 5 and base plate 18 are set in respectively the top and the bottom of four support bars 7, the upper and lower side of each support bar 7 is with the fixing top board 5 of nut 41 and base plate 18, the bottom of each support bar 7 is bolted with footing nut 11, electric lift 9 is arranged on base plate 18, sample tray 15 is fixed on electric lift 9 tops, sample tray 15 can move up and down along with electric lift 9, displacement transducer installing plate 10 is fixed on base plate 18, the bottom of low-temperature level displacement sensor 16 is fixed in displacement transducer installing plate 10 by the second dog screw 17, the upper end of low-temperature level displacement sensor 16 is connected with sample tray 15 edges, low-temperature pressure sensor 12 is fixed on the bottom of top board 5 by the first dog screw 4, adapter coupling 6 is fixed on the bottom of low-temperature pressure sensor 12, standard hardness pressure head 14 is plugged on adapter coupling 6 bottoms fixing by trip bolt 13.
The bottom of described adapter coupling 6 is fixed with flat clamp.
The course of work of the present utility model:
First hardness test platform B is put into low-temp. refrigerator A, the data line of low-temperature pressure sensor 12 and low-temperature level displacement sensor 16 and the power lead of electric lift 9 cause outside low-temp. refrigerator A by low-temp. refrigerator A side aperture, and are connected with control box 3.
Open low-temp. refrigerator a-power supply, and temperature is adjusted to temperature to be detected, in this process, hardness test platform B is placed in refrigerator A all the time, and temperature exerts an influence to test sample 8 temperature.Test sample 8 is positioned over sample tray 15 centers, starts electric lift 9 and make to test sample 8 to rise to standard Brinell hardnell penetrator 14 and just contact, now by 16 zero clearings of low-temperature level displacement sensor.Connect electric lift 9 power supplys, regulate electric lift 9 risings, standard Brinell hardnell penetrator 14 extruding test samples 8, low-temperature pressure sensor 12 output pressure values, low-temperature level displacement sensor 16 output displacement values.In the time that force value reaches a certain setting value, motor stops, and can obtain force value and compression distance by detecting, and can calculate test sample hardness number by pressure and compression distance.
Standard Brinell hardnell penetrator 14 is replaceable is rock indentation hardness pressure head, Rockwell pressure head etc., just can measure corresponding penetration hardness and Rockwell's hardness.
Change wide range pressure transducer, and standard hardness pressure head 14 is replaced by flat clamp, can measure the compressive strength of ice, and can draw the stress-strain curves of ice sample in conjunction with displacement transducer data.Test process is the same.
Utilize this testing table also can measure hardness and the intensity of other materials under low temperature environment.Test process is identical with ice sample test.
Claims (2)
1. hardness and the determiner for compression strength of ice under a low temperature environment, it is characterized in that: be by low-temp. refrigerator (A), hardness test platform (B), parameter acquisition and control system (C) composition, hardness test platform (B) is arranged in low-temp. refrigerator (A), parameter acquisition and control system (C) are positioned at low-temp. refrigerator (A) outside, the power lead of the low-temperature pressure sensor (12) of hardness test platform (B) and the data line of low-temperature level displacement sensor (16) and electric lift (9) causes outside low-temp. refrigerator (A) by low-temp. refrigerator (A) side aperture, and be connected with control box (3),
Described parameter acquisition and control system (C) are made up of host computer (2) and control box (3), control box (3) is connected with hardness test platform (B) by wire (1), control box (3) is that low-temperature level displacement sensor (16), low-temperature pressure sensor (12) and electric lift provide power supply, be responsible for collection signal simultaneously, and by Serial Port Line, signal is transferred in host computer (2), host computer (2) shows in real time and stores relevant test data; In control box (3), control system is carried out stepless speed regulation to the rising or falling speed of electric lift (9);
Described hardness test platform (B) is by the first dog screw (4), top board (5), adapter coupling (6), support bar (7), electric lift (9), displacement transducer installing plate (10), footing nut (11), low-temperature pressure sensor (12), trip bolt (13), standard hardness pressure head (14), sample tray (15), low-temperature level displacement sensor (16), the second dog screw (17) and base plate (18) form, top board (5) and base plate (18) are set in respectively the top and the bottom of four support bars (7), the upper and lower side of each support bar (7) is with the fixing top board (5) of nut (41) and base plate (18), the bottom of each support bar (7) is bolted with footing nut (11), electric lift (9) is arranged on base plate (18), sample tray (15) is fixed on electric lift (9) top, sample tray (15) can move up and down along with electric lift (9), displacement transducer installing plate (10) is fixed on base plate (18), the bottom of low-temperature level displacement sensor (16) is fixed in displacement transducer installing plate (10) by the second dog screw (17), the upper end of low-temperature level displacement sensor (16) is connected with sample tray (15) edge, low-temperature pressure sensor (12) is fixed on the bottom of top board (5) by the first dog screw (4), adapter coupling (6) is fixed on the bottom of low-temperature pressure sensor (12), standard hardness pressure head (14) is plugged on adapter coupling (6) bottom fixing by trip bolt (13).
2. hardness and the determiner for compression strength of ice under a kind of low temperature environment according to claim 1, is characterized in that: the bottom of described adapter coupling (6) is fixed with flat clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253220.0U CN203824852U (en) | 2014-05-18 | 2014-05-18 | Device for testing hardness and compressive strength of ice in low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253220.0U CN203824852U (en) | 2014-05-18 | 2014-05-18 | Device for testing hardness and compressive strength of ice in low temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824852U true CN203824852U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420253220.0U Withdrawn - After Issue CN203824852U (en) | 2014-05-18 | 2014-05-18 | Device for testing hardness and compressive strength of ice in low temperature environment |
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| Country | Link |
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| CN (1) | CN203824852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954516A (en) * | 2014-05-18 | 2014-07-30 | 吉林大学 | Test device for hardness and compressive strength of ice in low-temperature environment |
-
2014
- 2014-05-18 CN CN201420253220.0U patent/CN203824852U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954516A (en) * | 2014-05-18 | 2014-07-30 | 吉林大学 | Test device for hardness and compressive strength of ice in low-temperature environment |
| CN103954516B (en) * | 2014-05-18 | 2016-06-08 | 吉林大学 | The hardness of ice and determiner for compression strength under low temperature environment |
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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 |
Granted publication date: 20140910 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |