CN103063696A - Split type freezing-thawing test machine - Google Patents
Split type freezing-thawing test machine Download PDFInfo
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- CN103063696A CN103063696A CN2012105815866A CN201210581586A CN103063696A CN 103063696 A CN103063696 A CN 103063696A CN 2012105815866 A CN2012105815866 A CN 2012105815866A CN 201210581586 A CN201210581586 A CN 201210581586A CN 103063696 A CN103063696 A CN 103063696A
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Abstract
The invention relates to a split type freezing-thawing test machine, comprising a main cabinet body and an outdoor machine. The main cabinet body comprises a test piece box, a control cabinet and a refrigeration system, wherein the control cabinet is disposed at the side of the test piece box, the refrigeration system is also disposed at the side of the test piece box, the side wall of the test piece box is provided with a box body water inlet pipe, the bottom of the test piece box is provided with a box body water outlet pipe. The outdoor machine comprises a water tank and a cycle water pump. The main cabinet body is connected with the outdoor machine through a pipeline. The box body water inlet pipe and the box body water outlet pipe on the test piece box are communicated with the water tank through the cycle water pump. A freezing-thawing cycle treatment firstly air freezing and then water thawing is carried out on the test pipe. The test machine is provided with the outdoor machine which is with the water tank and the cycle water pump disposed therein and is communicated with the test piece box, so that the test machine can test a plurality of test pieces at the same time, and has high automation level and accurate measurement data.
Description
Technical field
The present invention relates to concrete antifreezing performance testing equipment, relate to a kind of split type freezing-thawing test machine.
Background technology
Detect the anti-freezing property of concrete sample, need simulating nature circle variation of ambient temperature, concrete sample is tested, become freezing-thawing test.Freezing-thawing test is comprised of a plurality of freezing and thawing cycles.Freezing and thawing cycle can be divided into polytype according to the difference of test request, comparatively typical a kind of is that freezing and thawing cycle is controlled at 12 hours, formed by temperature-fall period (4 hours), maintenance stage (3 hours), temperature rise period (4 hours), maintenance stage (1 hour).Temperature-fall period wants seeking time and temperature to change by linear relationship, namely in 4 hours, temperature evenly drops to subzero 20 ℃ by 20 ℃ above freezing, then kept three hours at subzero 20 ℃, begin to heat up again, the temperature rise period wants seeking time and temperature to change by linear relationship, namely in 4 hours, temperature evenly rises to 20 ℃ above freezing by subzero 20 ℃, then keeps one hour at 20 ℃ above freezing, finishes a freezing and thawing cycle.
In the prior art, freezing equipment and thawing equipment separate, temperature-fall period will be placed on concrete sample in the household freezer (refrigerant is air), need manually from household freezer, to take out test specimen after finishing, then putting into thawing equipment (aqueous fusion) melts, and then manually take out test specimen, put into household freezer and carry out next circulation, concrete sample placed back and forth freeze, melt equipment, take a lot of work, require great effort, labour intensity is large, and the concrete time in transfer process will with the ambient atmosphere environmental exposure, increased test error.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of split type freezing-thawing test machine.
For achieving the above object, technical scheme of the present invention is as follows: a kind of split type freezing-thawing test machine comprises main box and off-premises station; Described main box comprises test specimen case, switch board and refrigeration system; Described switch board is positioned on the side of described test specimen case; Described refrigeration system also is positioned at described test specimen case side; Offer the casing water inlet pipe on the sidewall of described test specimen case; The bottom of described test specimen case is provided with the casing tapping pipe; Described off-premises station comprises water tank and water circulating pump; Connect by the road between described main box and the off-premises station; Casing water inlet pipe on the described test specimen case and casing tapping pipe are communicated with described water tank by water circulating pump by the road.
Related content in the technique scheme is explained as follows:
1, in the such scheme, is provided with heat-insulation layer in the perisporium of described test specimen case, fills in the described heat-insulation layer and be provided with foamed cotton.
2, in the such scheme, described water circulating pump is comprised of casing intake pump and casing suction pump; Described casing water inlet pipe is communicated with the casing intake pump, and described casing tapping pipe is communicated with the casing suction pump.
3, in the such scheme, also be provided with the casing water return pipeline between described test specimen case and the water tank.
4, in the such scheme, described test specimen case bottom is provided with feet.
Principle of work of the present invention: first test specimen is put on the test specimen shelf in the test specimen case, after utilizing refrigeration system that the temperature in the test specimen case is dropped to design temperature, it is freezing to keep certain hour that test specimen is carried out, and then starts water circulating pump, injects about 20 ℃ water in the test specimen case, after filling with water, test specimen is carried out aqueous fusion soak, finish a freezing and thawing cycle, again the water in the test specimen case is released, repeat above-mentioned steps, enter next freezing and thawing cycle.
Because the utilization of the technical program, the present invention compared with prior art has following advantages:
The present invention carries out the freezing and thawing cycle processing that first air freezes aqueous fusion again to test specimen, one outdoor cabinet is set, water tank and water circulating pump are established in its inside, and be communicated with the test specimen case, can carry out freezing-thawing test to a plurality of concrete samples simultaneously, automatization level is high, experimentation does not need manual intervention, concrete sample is enclosed in the freeze thawing case, does not contact with atmospheric environment, and measurement data is accurate.
Description of drawings
Accompanying drawing 1 is structure front elevation of the present invention;
Accompanying drawing 3 is partial sectional view two of the present invention.
In the above accompanying drawing: 1, test specimen case; 2, switch board; 3, casing water inlet pipe; 4, water tank; 5, water circulating pump; 51, casing intake pump; 52, casing suction pump; 6, heat-insulation layer; 7, feet.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment:
Shown in Fig. 1 ~ 3, a kind of split type freezing-thawing test machine comprises main box and off-premises station; Described main box comprises test specimen case 1, switch board 2 and refrigeration system; Described switch board 2 is positioned on the side of described test specimen case 1; Described refrigeration system also is positioned at described test specimen case 1 side; Offer casing water inlet 3 on the sidewall of described test specimen case 1; The bottom of described test specimen case 1 is provided with casing tapping pipe (not shown);
Described off-premises station comprises water tank 4 and water circulating pump 5;
Connect by the road between described main box and the off-premises station; Casing water inlet pipe 3 on the described test specimen case 1 and casing tapping pipe are communicated with described water tank 4 by water circulating pump 5 by the road.
Be provided with heat-insulation layer 6 in the perisporium of described test specimen case 1, described heat-insulation layer 6 interior fillings are provided with foamed cotton.
Described water circulating pump 5 is comprised of casing intake pump 51 and casing suction pump 52; Described casing water inlet pipe 3 is communicated with casing intake pump 51, and described casing tapping pipe is communicated with casing suction pump 42.
Also be provided with the casing water return pipeline between described test specimen case 1 and the water tank 4.
Described test specimen case 1 bottom is provided with feet 7.
The present invention puts test specimen in the test specimen case 1 first, after utilizing refrigeration system that the temperature in the test specimen case 1 is dropped to design temperature, it is freezing to keep certain hour that test specimen is carried out, and then starts water circulating pump 5, to the water of about 20 ℃ of test specimen case 1 interior injections, after filling with water, test specimen is carried out aqueous fusion soak, finish a freezing and thawing cycle, again the water in the test specimen 1 case is released, repeat above-mentioned steps, enter next freezing and thawing cycle.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. a split type freezing-thawing test machine is characterized in that: comprise main box and off-premises station; Described main box comprises test specimen case (1), switch board (2) and refrigeration system; Described switch board (2) is positioned on the side of described test specimen case (1); Described refrigeration system also is positioned at described test specimen case (1) side; Offer casing water inlet pipe (3) on the sidewall of described test specimen case (1); The bottom of described test specimen case (1) is provided with the casing tapping pipe;
Described off-premises station comprises water tank (4) and water circulating pump (5);
Connect by the road between described main box and the off-premises station; Casing water inlet pipe (3) on the described test specimen case (1) and casing tapping pipe are communicated with described water tank (4) by water circulating pump (5) by the road.
2. split type freezing-thawing test machine according to claim 1 is characterized in that: be provided with heat-insulation layer (6) in the perisporium of described test specimen case (1), fill in the described heat-insulation layer (6) and be provided with foamed cotton.
3. split type freezing-thawing test machine according to claim 1, it is characterized in that: described water circulating pump (5) is comprised of casing intake pump (51) and casing suction pump (52); Described casing water inlet pipe (3) is communicated with casing intake pump (51), and described casing tapping pipe is communicated with casing suction pump (52).
4. split type freezing-thawing test machine according to claim 1 is characterized in that: also be provided with the casing water return pipeline between described test specimen case (1) and the water tank (4).
5. split type freezing-thawing test machine according to claim 1 is characterized in that: be provided with feet (7) bottom the described test specimen case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105815866A CN103063696A (en) | 2012-12-28 | 2012-12-28 | Split type freezing-thawing test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105815866A CN103063696A (en) | 2012-12-28 | 2012-12-28 | Split type freezing-thawing test machine |
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| Publication Number | Publication Date |
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| CN103063696A true CN103063696A (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105815866A Pending CN103063696A (en) | 2012-12-28 | 2012-12-28 | Split type freezing-thawing test machine |
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| CN (1) | CN103063696A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458792A (en) * | 2014-12-19 | 2015-03-25 | 苏州市东华试验仪器有限公司 | Asphalt mixed material freeze-thawing machine |
| CN104712017A (en) * | 2015-04-09 | 2015-06-17 | 英贝儿(天津)测控设备有限责任公司 | Water tank of concrete small-block freezing-thawing testing machine |
| CN106644723A (en) * | 2016-12-30 | 2017-05-10 | 三峡大学 | Freezing-thawing environment-based concrete splitting tension testing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215721Y (en) * | 1995-03-20 | 1995-12-20 | 北京设备成套公司 | Test device for concrete quick anti-freezing |
| JPH09281024A (en) * | 1996-04-15 | 1997-10-31 | Central:Kk | Testing apparatus for freezing and melting |
| RU2006111331A (en) * | 2006-04-06 | 2007-10-20 | ГОУ ВПО Вологодский государственный технический университет (ВоГТУ) (RU) | AUTONOMOUS DEVICE FOR TESTING SOIL FOR FROST RESISTANCE |
| CN201063035Y (en) * | 2007-07-06 | 2008-05-21 | 王京 | Apparatus for concrete slow freeze-thawing test |
| CN202512113U (en) * | 2012-04-24 | 2012-10-31 | 苏州市东华试验仪器有限公司 | Concrete unilateral freezing and thawing tester |
-
2012
- 2012-12-28 CN CN2012105815866A patent/CN103063696A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215721Y (en) * | 1995-03-20 | 1995-12-20 | 北京设备成套公司 | Test device for concrete quick anti-freezing |
| JPH09281024A (en) * | 1996-04-15 | 1997-10-31 | Central:Kk | Testing apparatus for freezing and melting |
| RU2006111331A (en) * | 2006-04-06 | 2007-10-20 | ГОУ ВПО Вологодский государственный технический университет (ВоГТУ) (RU) | AUTONOMOUS DEVICE FOR TESTING SOIL FOR FROST RESISTANCE |
| CN201063035Y (en) * | 2007-07-06 | 2008-05-21 | 王京 | Apparatus for concrete slow freeze-thawing test |
| CN202512113U (en) * | 2012-04-24 | 2012-10-31 | 苏州市东华试验仪器有限公司 | Concrete unilateral freezing and thawing tester |
Non-Patent Citations (1)
| Title |
|---|
| 梁汉祚: "混凝土冻融试验的工艺设计", 《中国港湾建设》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458792A (en) * | 2014-12-19 | 2015-03-25 | 苏州市东华试验仪器有限公司 | Asphalt mixed material freeze-thawing machine |
| CN104712017A (en) * | 2015-04-09 | 2015-06-17 | 英贝儿(天津)测控设备有限责任公司 | Water tank of concrete small-block freezing-thawing testing machine |
| CN104712017B (en) * | 2015-04-09 | 2016-03-30 | 英贝儿(天津)测控设备有限责任公司 | A kind of small concrete block freezing-thawing test machine water tank |
| CN106644723A (en) * | 2016-12-30 | 2017-05-10 | 三峡大学 | Freezing-thawing environment-based concrete splitting tension testing device |
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Application publication date: 20130424 |