CN203117128U - Split freeze-thaw testing machine - Google Patents
Split freeze-thaw testing machine Download PDFInfo
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- CN203117128U CN203117128U CN 201220736484 CN201220736484U CN203117128U CN 203117128 U CN203117128 U CN 203117128U CN 201220736484 CN201220736484 CN 201220736484 CN 201220736484 U CN201220736484 U CN 201220736484U CN 203117128 U CN203117128 U CN 203117128U
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Abstract
The utility model relates to a split freeze-thaw testing machine. The split freeze-thaw testing machine comprises a main box body and an outdoor machine, wherein the main box body comprises a test piece box, a control cabinet and a refrigeration system; the control cabinet is located at the side of the test piece box; the refrigeration system is also located at the side of the test piece box; a box body water inlet pipe is arranged on a sidewall of the test piece box; a box body water draining pipe is arranged at the bottom of the test piece box; the outdoor machine comprises a water tank and a water circulating pump; the main box body and the outdoor machine are connected through a pipeline; and the box body water inlet pipe and the box body water draining pipe of the test piece box are communicated with the water tank through pipelines by the water circulating pump. According to the split freeze-thaw testing machine, test pieces are subjected to processing of a freeze-thaw cycle that air freezing is carried out firstly and water thawing is then carried out, an outdoor case is arranged, and the water tank and the water circulating pump are arranged inside the outdoor case and are communicated with the test piece box, so that a plurality of test pieces can be tested simultaneously, the level of automation is high, and the measured data are accurate.
Description
Technical field
The utility model relates to concrete antifreezing performance testing equipment, relates to a kind of split type freezing-thawing test machine.
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, become freezing-thawing test.Freezing-thawing test is made up 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 with freezing and thawing cycle control 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, kept three hours at subzero 20 ℃ then, 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 ℃, keeps one hour at 20 ℃ above freezing then, 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, putting into thawing equipment (aqueous fusion) then 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 big, and the concrete time in transfer process, to contact with the ambient atmosphere environment, increased test error.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of split type freezing-thawing test machine.
For achieving the above object, the technical solution of the utility model 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 the foaming cotton.
2, in the such scheme, described water circulating pump is made up 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 utility model: earlier 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 starts water circulating pump then, 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 utility model compared with prior art has following advantage:
The utility model 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, the automatization level height, 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 the utility model structure front elevation;
Accompanying drawing 2 is the utility model partial sectional view one;
Accompanying drawing 3 is the utility model partial sectional view two.
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
Below in conjunction with drawings and Examples the utility model is further described:
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, fill in the described heat-insulation layer 6 and be provided with the foaming cotton.
Described water circulating pump 5 is made up 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 utility model is put test specimen in the test specimen case 1 into earlier, 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 starts water circulating pump 5 then, injects about 20 ℃ water in test specimen case 1, 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 utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
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 the foaming cotton.
3. split type freezing-thawing test machine according to claim 1, it is characterized in that: described water circulating pump (5) is made up 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 |
|---|---|---|---|
| CN 201220736484 CN203117128U (en) | 2012-12-28 | 2012-12-28 | Split freeze-thaw testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736484 CN203117128U (en) | 2012-12-28 | 2012-12-28 | Split freeze-thaw testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203117128U true CN203117128U (en) | 2013-08-07 |
Family
ID=48897463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220736484 Expired - Fee Related CN203117128U (en) | 2012-12-28 | 2012-12-28 | Split freeze-thaw testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203117128U (en) |
-
2012
- 2012-12-28 CN CN 201220736484 patent/CN203117128U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20131228 |