CN203745398U - Rapid freeze thawing and single-edge freeze thawing all-in-one testing machine for concrete - Google Patents
Rapid freeze thawing and single-edge freeze thawing all-in-one testing machine for concrete Download PDFInfo
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- CN203745398U CN203745398U CN201320875161.6U CN201320875161U CN203745398U CN 203745398 U CN203745398 U CN 203745398U CN 201320875161 U CN201320875161 U CN 201320875161U CN 203745398 U CN203745398 U CN 203745398U
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- thawing
- freeze thawing
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Abstract
The utility model relates to a rapid freeze thawing and single-edge freeze thawing all-in-one testing machine for concrete. The rapid freeze thawing and single-edge freeze thawing all-in-one testing machine comprises a main box body, wherein the main box body is internally provided with a test piece box, a heating device, a refrigerating device and a water pump; the test piece box is internally and detachably provided with a grid and a single-edge freeze thawing testing box; the inner wall of the test piece box is internally provided with at least two infrared sensors with different heights; the test piece box is also internally provided with flow guide pipes which are connected end to end to for a square; the inner walls of the flow guide pipes are provided with a plurality of liquid outlets communicated with the flow guide pipes; the hole diameters of the liquid outlets are sequentially increased from the position close to a liquid inlet to the position far away from the liquid inlet. The rapid freeze thawing and single-edge freeze thawing all-in-one testing machine for the concrete provided by the utility model not only can carry out a freeze thawing test on the concrete test piece, but can also carry out a single-edge freeze thawing test on a concrete test piece; one testing machine can be used for doing two tests so that the testing cost is reduced greatly; meanwhile, the uniformity of the temperature in the test piece box is improved so as to avoid that the temperature difference among a plurality of concrete test pieces; therefore, the testing data is very accurate and reliable.
Description
Technical field
The utility model relates to a kind of freezing-thawing test machine, relates in particular to a kind of concrete fast freeze-thaw and monolateral freeze thawing integration test machine, belongs to and concrete antifreezing performance testing equipment technical field.
Background technology
In order to detect the anti-freezing property of concrete sample, need simulating nature circle variation of ambient temperature, concrete sample is tested, be called freezing-thawing test.If in process of the test, concrete sample, as long as contact with liquid medium, is called as the monolateral freezing-thawing test of concrete on one side, and two tests have common part.In prior art, the freezing-thawing test of concrete sample is undertaken by freezing-thawing test machine, the monolateral freezing-thawing test of concrete sample is undertaken by monolateral freezing-thawing test machine, if both needed to carry out the freezing-thawing test of concrete sample, there is the monolateral freezing-thawing test that need to carry out concrete sample, need to prepare two testing machines, experimentation cost is larger.
As Chinese utility model patent " monoblock type freezing-thawing test machine ", application number is 201220736516.9, discloses a kind of monoblock type freezing-thawing test machine.And for example Chinese utility model patent " split type freezing-thawing test machine ", application number is 201220736484.2, discloses a kind of monoblock type freezing-thawing test machine.Two kinds of freezing-thawing test machines are all to utilize refrigerating plant and water pump to filling liquid medium in test specimen case, carry out freezing to concrete sample, when reaching after the temperature needing, refrigerating plant cuts out, utilize heating arrangement and water pump to filling liquid medium in test specimen case, concrete sample is melted, complete a freezing and thawing cycle, repeat above-mentioned steps, enter next freezing and thawing cycle.The automatization level of two kinds of above-mentioned freezing-thawing test machines is high, process of the test does not need manual intervention, and concrete sample, in test specimen case, does not contact with atmospheric environment, test figure is accurate, but two kinds of freezing-thawing test machines all cannot carry out the monolateral freezing-thawing test of concrete sample.
As Chinese utility model patent " the monolateral freezing-thawing test machine of concrete ", application number is 201220746644.1, discloses the monolateral freezing-thawing test machine of a kind of concrete.This monolateral freezing-thawing test machine can carry out precooling to test specimen case by refrigeration groove, to reduce the temperature of test specimen case, and can give the chilled water in supplementary refrigeration groove in test specimen case by solenoid valve, with the deviation of balance test specimen case internal object temperature and actual temperature, therefore can greatly improve the temperature accuracy in test specimen case, but this kind of monolateral freezing-thawing test machine cannot carry out the freezing-thawing test of concrete sample.
Utility model content
The utility model object is that a kind of concrete fast freeze-thaw and monolateral freeze thawing integration test machine are provided in order to overcome the deficiencies in the prior art, and this kind of testing machine can carry out the freezing-thawing test of concrete sample, can carry out again the monolateral freezing-thawing test of concrete sample.
For achieving the above object, the technical solution adopted in the utility model is: a kind of concrete concrete fast freeze-thaw and monolateral freeze thawing integration test machine, comprise main box; In described main box, be provided with test specimen case, heating arrangement, refrigerating plant and water pump; Described heating arrangement communicates with test specimen case inside by the first pipeline; Described heating arrangement is connected by the second pipeline with water pump; Described water pump is connected by the 3rd pipeline with refrigerating plant; Described refrigerating plant is connected by the 4th pipeline with test specimen case; Removable grid and the monolateral freezing-thawing test case of being provided with in described test specimen case; In the inwall of described test specimen case, be at least provided with two and highly do not wait infrared ray sensor; In described test specimen case, be also provided with head and the tail and connect into square mozzle; Described mozzle hollow; The cross section of described mozzle is square; The outer shroud of described mozzle is fixed on the inwall of test specimen case; On the outer wall of described mozzle, have the inlet communicating with mozzle inside; Described inlet and the 4th pipeline join; On the inwall of described mozzle, have multiple liquid outlets that communicate with mozzle; The aperture of described liquid outlet is from increasing successively close to the direction away from inlet.
Preferably, the quantity of described liquid outlet is identical with the quantity of grid grizzly bar; The center line of the center line of described liquid outlet and grid grizzly bar is positioned at same perpendicular.
Preferably, the inwall of described test specimen case is provided with liquid barrier; Described mozzle is between liquid barrier and test specimen chamber interior wall.
Preferably, described grid is positioned at the top of monolateral freezing-thawing test case.
Preferably, solenoid valve group on described the 4th pipeline; Described solenoid valve group comprises three solenoid valves that are arranged side by side; Described three solenoid valves are two little solenoid valves and a large solenoid valve.
Preferably, the outer wall of described liquid barrier is provided with raised line; Described grid is arranged in test specimen case by raised line.
Preferably, the interior equally spaced multiple shelves that are provided with of described test specimen case; Described monolateral freezing-thawing test case is arranged in test specimen case by shelf.
Preferably, described main box side is provided with switch board; Described switch board is connected with heating arrangement, refrigerating plant, water pump and infrared ray sensor, for controlling heating arrangement, refrigerating plant, water pump and infrared ray sensor start and stop.
Preferably, described refrigerating plant comprises compressor reducer, condenser and heat interchanger; Described water pump is connected with heat interchanger by the 3rd pipeline; Described test specimen case is connected with heat interchanger by the 4th pipeline.
Preferably, in the perisporium of described test specimen case, be provided with heat-insulation layer; In described heat-insulation layer, be filled with foamed cotton.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Concrete fast freeze-thaw of the present utility model and monolateral freeze thawing integration test machine, in the time carrying out the monolateral freezing-thawing test of concrete sample, concrete sample is put into monolateral freezing-thawing test case, the infrared ray sensor of lower position starts, make liquid level in test specimen case in the needed height of monolateral freezing-thawing test, carry out the monolateral freezing-thawing test of concrete sample; In the time carrying out the freezing-thawing test of concrete sample, take off monolateral freezing-thawing test case, concrete sample is put into grid, the infrared ray sensor of high position starts, make liquid level in test specimen case in the needed height of freezing-thawing test, carry out the freezing-thawing test of concrete sample, a testing machine can do two tests, greatly reduces experimentation cost; Simultaneously, liquid medium enters in test specimen case by mozzle, because the liquid outlet of mozzle is provided with multiple, the aperture of liquid outlet is from increasing successively close to the direction away from inlet, can greatly improve the homogeneity of test specimen the temperature inside the box, thereby avoid the temperature between multiple concrete samples there are differences, made test figure more precisely, reliably.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 is the structural representation of concrete fast freeze-thaw of the present utility model and monolateral freeze thawing integration test machine;
Accompanying drawing 2 is the partial enlarged drawing of accompanying drawing 1;
Accompanying drawing 3 is the syndeton schematic diagram of heating arrangement, refrigerating plant and the water pump of concrete fast freeze-thaw of the present utility model and monolateral freeze thawing integration test machine;
Accompanying drawing 4 is the structural representation of the solenoid valve group of concrete fast freeze-thaw of the present utility model and monolateral freeze thawing integration test machine;
Accompanying drawing 5 is the structural representation of the shelf of concrete fast freeze-thaw of the present utility model and monolateral freeze thawing integration test machine;
Accompanying drawing 6 is the structural representation of the mozzle of concrete fast freeze-thaw of the present utility model and monolateral freeze thawing integration test machine;
The structural representation that carries out monolateral freezing-thawing test that accompanying drawing 7 is monoblock type freezing-thawing test machine of the present utility model;
The structural representation that carries out freezing-thawing test that accompanying drawing 8 is monoblock type freezing-thawing test machine of the present utility model;
Wherein: 1, main box; 2, test specimen case; 3, heating arrangement; 4, water pump; 5, the first pipeline; 6, the second pipeline; 7, the 3rd pipeline; 8, the 4th pipeline; 9, grid; 10, monolateral freezing-thawing test case; 11, infrared ray sensor; 12, mozzle; 13, inlet; 14, liquid outlet; 15, liquid barrier; 16, switch board; 17, compressor reducer; 18, condenser; 19, heat interchanger; 20, heat-insulation layer; 21, little solenoid valve; 22, large solenoid valve; 23, raised line; 24, shelf; 25, concrete sample; 26, freezing-thawing test case.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Described in the utility model a kind of concrete fast freeze-thaw as shown in accompanying drawing 1-6 and monolateral freeze thawing integration test machine, comprise main box 1; In described main box 1, be provided with test specimen case 2, heating arrangement 3, refrigerating plant and water pump 4; Described heating arrangement 3 communicates with test specimen case 1 inside by the first pipeline 5; Described heating arrangement 3 is connected by the second pipeline 6 with water pump 4; Described water pump 4 is connected by the 3rd pipeline 7 with refrigerating plant; Described refrigerating plant is connected by the 4th pipeline 8 with test specimen case 2; Interior removable grid 9 and the monolateral freezing-thawing test case 10 of being provided with of described test specimen case 2; In the inwall of described test specimen case 2, be at least provided with two and highly do not wait infrared ray sensor 11; The height that infrared ray sensor 11 arranges is monolateral freezing-thawing test and the needed liquid level of freezing-thawing test of concrete sample; In described test specimen case 2, be also provided with head and the tail and connect into square mozzle 12; Described mozzle 12 hollows; The cross section of described mozzle 12 is square; The outer shroud of described mozzle 12 is fixed on the inwall of test specimen case 2; On the outer wall of described mozzle 12, have the inlet 13 communicating with mozzle 12 inside; Described inlet 13 and the 4th pipeline 8 join; On the inwall of described mozzle 12, have multiple liquid outlets 14 that communicate with mozzle 12; 14 apertures of described liquid outlet are from close to increasing successively away from the direction of inlet 13; The inwall of described test specimen case 2 is provided with liquid barrier 15; Described mozzle 12 is between liquid barrier 15 and test specimen case 2 inwalls; Described grid 9 is positioned at the top of monolateral freezing-thawing test case 10; Described main box 1 side is provided with switch board 16; Described switch board 16 is connected with heating arrangement 3, refrigerating plant, water pump 4 and infrared ray sensor 11, for controlling heating arrangement 3, refrigerating plant, water pump 4 and infrared ray sensor 11 start and stop; Described refrigerating plant comprises compressor reducer 17, condenser 18 and heat interchanger 19; Described water pump 4 is connected with heat interchanger 19 by the 3rd pipeline 7; Described test specimen case 2 is connected with heat interchanger 19 by the 4th pipeline 8; In the perisporium of described test specimen case 2, be provided with heat-insulation layer 20; In described heat-insulation layer 20, be filled with foamed cotton.
Above-mentioned concrete fast freeze-thaw and monolateral freeze thawing integration test machine, solenoid valve group on described the 4th pipeline 8; Described solenoid valve group comprises three solenoid valves that are arranged side by side; Described three solenoid valves are two little solenoid valves 21 and a large solenoid valve 22, in the time that the Temperature Difference Ratio between actual temperature and target temperature in test specimen case 2 is larger, open large solenoid valve 22, the target temperature in can Fast-Balance test specimen case 2 and the deviation of actual temperature; Temperature Difference Ratio between actual temperature and target temperature in test specimen case 2 hour, is opened little solenoid valve 21, and the target temperature in can active balance test specimen case 2 and the deviation of actual temperature, improve the temperature accuracy in test specimen case 2 greatly.
Above-mentioned concrete fast freeze-thaw and monolateral freeze thawing integration test machine, the outer wall of described liquid barrier 12 is provided with raised line 23; Described grid 9 is arranged in test specimen case 2 by raised line 23; The interior equally spaced multiple shelves 24 that are provided with of described test specimen case 2; Described monolateral freezing-thawing test case 10 is arranged in test specimen case 2 by shelf 24, has realized the dismantled and assembled of grid 8 and monolateral freezing-thawing test case 10.
Concrete fast freeze-thaw described in the utility model as shown in Figure 7 and monolateral freeze thawing integration test machine, liquid medium is from the 4th pipeline 8, flow in test specimen case 2 through the inwall of mozzle 12 and liquid barrier 15 successively, after flow through successively heating arrangement 3, water pump 4 and refrigerating plant, again flow in test specimen case 2 through the inwall of mozzle 12 and liquid barrier 15, form liquid medium flow circuit, in the time carrying out the monolateral freezing-thawing test of concrete sample, concrete sample 25 is put into monolateral freezing-thawing test case 10, operation switch board 16, the infrared ray sensor 11 of lower position starts, make liquid level in test specimen case 2 after the needed height of monolateral freezing-thawing test, open and form liquid medium flow circuit, carry out the monolateral freezing-thawing test of concrete sample, concrete fast freeze-thaw described in the utility model as shown in Figure 8 and monolateral freeze thawing integration test machine, in the time carrying out the freezing-thawing test of concrete sample, take off monolateral freezing-thawing test case 10, concrete sample 25 is put into freezing-thawing test case 26, then freezing-thawing test case 26 is put into grid 9, operation switch board 16, the infrared ray sensor 11 of high position starts, make liquid level in test specimen case after the needed height of freezing-thawing test, open and form liquid medium flow circuit, carry out the freezing-thawing test of concrete sample, a testing machine can do two tests, greatly reduce experimentation cost.
Above-mentioned concrete fast freeze-thaw and monolateral freeze thawing integration test machine, liquid medium enters in test specimen case by mozzle, because the liquid outlet of mozzle is provided with multiple, the aperture of liquid outlet is from increasing successively close to the direction away from inlet, can greatly improve the homogeneity of test specimen the temperature inside the box, thereby avoid the temperature between multiple concrete samples there are differences, made test figure more precisely, reliably.
In order better to reach above-mentioned effect, the quantity of institute's liquid outlet is identical with the quantity of grid grizzly bar; The center line of the center line of described liquid outlet and grid grizzly bar is positioned at same perpendicular.
Above-mentioned concrete fast freeze-thaw and monolateral freeze thawing integration test machine, an infrared ray sensor can also be set again, the height of its setting is that the saline sook of concrete sample is tested needed liquid level, and such testing machine can do three tests, greatly reduces experimentation cost.
Above-mentioned concrete fast freeze-thaw and monolateral freeze thawing integration test machine, automatization level is high, and process of the test does not need manual intervention, and concrete sample, in test specimen case, does not contact with atmospheric environment, and test figure is accurate.
Below be only concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on the utility model rights protection scope.
Claims (10)
1. concrete fast freeze-thaw and a monolateral freeze thawing integration test machine, is characterized in that: comprise main box; In described main box, be provided with test specimen case, heating arrangement, refrigerating plant and water pump; Described heating arrangement communicates with test specimen case inside by the first pipeline; Described heating arrangement is connected by the second pipeline with water pump; Described water pump is connected by the 3rd pipeline with refrigerating plant; Described refrigerating plant is connected by the 4th pipeline with test specimen case; Removable grid and the monolateral freezing-thawing test case of being provided with in described test specimen case; In the inwall of described test specimen case, be at least provided with two and highly do not wait infrared ray sensor; In described test specimen case, be also provided with head and the tail and connect into square mozzle; Described mozzle hollow; The cross section of described mozzle is square; The outer shroud of described mozzle is fixed on the inwall of test specimen case; On the outer wall of described mozzle, have the inlet communicating with mozzle inside; Described inlet and the 4th pipeline join; On the inwall of described mozzle, have multiple liquid outlets that communicate with mozzle; The aperture of described liquid outlet is from increasing successively close to the direction away from inlet.
2. concrete fast freeze-thaw according to claim 1 and monolateral freeze thawing integration test machine, is characterized in that: the quantity of described liquid outlet is identical with the quantity of grid grizzly bar; The center line of the center line of described liquid outlet and grid grizzly bar is positioned at same perpendicular.
3. concrete fast freeze-thaw according to claim 2 and monolateral freeze thawing integration test machine, is characterized in that: the inwall of described test specimen case is provided with liquid barrier; Described mozzle is between liquid barrier and test specimen chamber interior wall.
4. concrete fast freeze-thaw according to claim 3 and monolateral freeze thawing integration test machine, is characterized in that: described grid is positioned at the top of monolateral freezing-thawing test case.
5. concrete fast freeze-thaw according to claim 4 and monolateral freeze thawing integration test machine, is characterized in that: solenoid valve group on described the 4th pipeline; Described solenoid valve group comprises three solenoid valves that are arranged side by side; Described three solenoid valves are two little solenoid valves and a large solenoid valve.
6. concrete fast freeze-thaw according to claim 5 and monolateral freeze thawing integration test machine, is characterized in that: the outer wall of described liquid barrier is provided with raised line; Described grid is arranged in test specimen case by raised line.
7. concrete fast freeze-thaw according to claim 6 and monolateral freeze thawing integration test machine, is characterized in that: the interior equally spaced multiple shelves that are provided with of described test specimen case; Described monolateral freezing-thawing test case is arranged in test specimen case by shelf.
8. according to the concrete fast freeze-thaw one of claim 1～7 Suo Shu and monolateral freeze thawing integration test machine, it is characterized in that: described main box side is provided with switch board; Described switch board is connected with heating arrangement, refrigerating plant, water pump and infrared ray sensor, for controlling heating arrangement, refrigerating plant, water pump and infrared ray sensor start and stop.
9. concrete fast freeze-thaw according to claim 8 and monolateral freeze thawing integration test machine, is characterized in that: described refrigerating plant comprises compressor reducer, condenser and heat interchanger; Described water pump is connected with heat interchanger by the 3rd pipeline; Described test specimen case is connected with heat interchanger by the 4th pipeline.
10. concrete fast freeze-thaw according to claim 1 and monolateral freeze thawing integration test machine, is characterized in that: in the perisporium of described test specimen case, be provided with heat-insulation layer; In described heat-insulation layer, be filled with foamed cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875161.6U CN203745398U (en) | 2013-12-28 | 2013-12-28 | Rapid freeze thawing and single-edge freeze thawing all-in-one testing machine for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875161.6U CN203745398U (en) | 2013-12-28 | 2013-12-28 | Rapid freeze thawing and single-edge freeze thawing all-in-one testing machine for concrete |
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| Publication Number | Publication Date |
|---|---|
| CN203745398U true CN203745398U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320875161.6U Expired - Fee Related CN203745398U (en) | 2013-12-28 | 2013-12-28 | Rapid freeze thawing and single-edge freeze thawing all-in-one testing machine for concrete |
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| CN (1) | CN203745398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713005A (en) * | 2013-12-28 | 2014-04-09 | 苏州市东华试验仪器有限公司 | Rapid concrete freeze thawing and single-side freeze thawing integrated testing machine |
| CN110501371A (en) * | 2018-05-16 | 2019-11-26 | 天津市惠达实验仪器有限公司 | A kind of energy-saving fast freeze-thaw test machine |
-
2013
- 2013-12-28 CN CN201320875161.6U patent/CN203745398U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713005A (en) * | 2013-12-28 | 2014-04-09 | 苏州市东华试验仪器有限公司 | Rapid concrete freeze thawing and single-side freeze thawing integrated testing machine |
| CN110501371A (en) * | 2018-05-16 | 2019-11-26 | 天津市惠达实验仪器有限公司 | A kind of energy-saving fast freeze-thaw test machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20141228 |
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| EXPY | Termination of patent right or utility model |