CN214749892U - Concrete early crack resistance test device - Google Patents
Concrete early crack resistance test device Download PDFInfo
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- CN214749892U CN214749892U CN202120602241.9U CN202120602241U CN214749892U CN 214749892 U CN214749892 U CN 214749892U CN 202120602241 U CN202120602241 U CN 202120602241U CN 214749892 U CN214749892 U CN 214749892U
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- box
- concrete
- crack resistance
- resistance test
- test device
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000005057 refrigeration Methods 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000010963 304 stainless steel Substances 0.000 claims description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 2
- 230000004992 fission Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model discloses a concrete early crack resistance test device, including the proof box, wherein, the top of proof box is provided with vertical cylinder, the lower extreme of vertical cylinder runs through the top of proof box and extends to the proof box in, the bottom of vertical cylinder is provided with the mount pad, the lower extreme of mount pad is provided with the briquetting; the utility model is respectively provided with the refrigeration equipment and the heating equipment, can test the heat resistance and cold resistance of the concrete, can expand with heat and contract with cold of objects, can lead the just formed concrete to generate fission when the concrete is rapidly changed into low temperature from high temperature, and the worse the concrete quality is, the bigger the fissile gap is; the through pipe is provided with a temperature detector and an alarm, and when the temperature in the equipment reaches the set lowest temperature and the set highest temperature, the alarm starts to alarm to the working personnel to play a warning role; the utility model discloses simple structure, the practicality is strong, is worth promoting.
Description
Technical Field
The utility model relates to a concrete crack resistance test device technical field, concretely relates to early crack resistance test device of concrete.
Background
The concrete crack resistance refers to the cracking resistance of concrete, the cracking resistance of concrete is a comprehensive performance, and has a certain relation with tensile strength, ultimate tensile deformation capability, tensile elastic modulus, autogenous volume deformation, creep and thermal performance, but the existing concrete early crack resistance test device has the following defects: the existing concrete early-stage crack resistance test device cannot detect the crack resistance of the just-formed concrete at extremely high temperature, low temperature and great change temperature.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above object, the utility model provides a following technical scheme: the test device for the early crack resistance of the concrete comprises a test box, wherein a vertical cylinder is arranged at the top of the test box, the lower end of the vertical cylinder penetrates through the top of the test box and extends into the test box, a mounting seat is arranged at the bottom end of the vertical cylinder, and a pressing block is arranged at the lower end of the mounting seat; supporting columns are respectively installed on two sides of the lower end of the interior of the test box, supporting blocks are respectively arranged at the upper ends of the two supporting columns, and a placing platform is arranged at the top of each supporting block; the bottom of the test box is provided with an equipment box, one side of the equipment box is provided with a switch button, the middle position of the equipment box is provided with a display screen, and one side of the equipment box, which is far away from the switch button, is provided with a control panel; and a refrigerating device is arranged on one side of the test box, and a heating device is arranged on one side of the test box, which is far away from the refrigerating device.
Preferably, refrigerating plant is including setting up refrigeration case on the proof box lateral wall, be provided with the liquid nitrogen in the refrigeration case, the top of refrigeration case is provided with first air exhauster, the output of first air exhauster is provided with first siphunculus, the one end that first air exhauster was kept away from to first siphunculus is provided with the top of proof box and runs through the proof box, be provided with first valve on the first siphunculus.
Preferably, the heating device is including setting up heating chamber on the proof box lateral wall, the inside heating pipe that is provided with of heating chamber, the inside top in heating chamber is provided with the second air exhauster, the top in heating chamber is provided with the second siphunculus, the one end setting that the heating chamber was kept away from to the second siphunculus is in the top of proof box and run through the proof box, be provided with the second valve on the second siphunculus.
Preferably, guide grooves are vertically formed in two sides of the top of the test box respectively, guide rods are movably arranged in the guide grooves, and the bottom ends of the guide rods are arranged on the mounting seat.
Preferably, the supporting column is a lifting supporting column, and the lifting supporting column is one of an electric push rod or a pneumatic push rod.
Preferably, the first through pipe and the second through pipe are both stainless steel pipes made of materials.
Preferably, a temperature detector is arranged inside the test box.
Preferably, an alarm is arranged on the equipment box and electrically connected with the temperature detector.
Has the advantages that: compared with the prior art, the beneficial effects of the utility model are that: the utility model is respectively provided with the refrigeration equipment and the heating equipment, can test the heat resistance and cold resistance of the concrete, can expand with heat and contract with cold of objects, can lead the just formed concrete to generate fission when the concrete is rapidly changed into low temperature from high temperature, and the worse the concrete quality is, the bigger the fissile gap is; the through pipe is provided with a temperature detector and an alarm, and when the temperature in the equipment reaches the set lowest temperature and the set highest temperature, the alarm starts to alarm to the working personnel to play a warning role; the siphunculus sets up liftable lift post, can adjust the distance between place the platform and the briquetting.
Drawings
Fig. 1 is the utility model provides an overall structure schematic diagram of the early anti crack performance test device of concrete.
In the drawings: 1-a test box, 2-a vertical cylinder, 3-a mounting seat, 4-a pressing block, 5-a support column, 6-a support block, 7-a placement platform, 8-an equipment box, 9-a switch button, 10-a display screen, 11-a control panel, 12-a refrigeration box, 13-a first exhaust fan, 14-a first through pipe, 15-a first valve, 16-a heating cavity, 17-a heating pipe, 18-a second exhaust fan, 19-a second through pipe, 20-a second valve, 21-a guide groove, 22-a guide column, 23-a temperature detector and 24-an alarm.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Examples
Referring to the attached drawings, in the embodiment of the present invention, a concrete early crack resistance testing apparatus includes a test box 1, wherein a vertical cylinder 2 is disposed at the top of the test box 1, the lower end of the vertical cylinder 2 penetrates through the top of the test box 1 and extends into the test box 1, a mounting seat 3 is disposed at the bottom end of the vertical cylinder 2, and a pressing block 4 is disposed at the lower end of the mounting seat 3; supporting columns 5 are respectively installed on two sides of the lower end of the interior of the test box 3, supporting blocks 6 are respectively arranged at the upper ends of the two supporting columns 5, and a placing platform 7 is arranged at the top of each supporting block 6; an equipment box 8 is arranged at the bottom of the test box 1, a switch button 9 is arranged on one side of the equipment box 8, a display screen 10 is arranged at the middle position of the equipment box 8, and a control panel 11 is arranged on one side, far away from the switch button 9, of the equipment box 8; a refrigerating device is arranged on one side of the test box 1, and a heating device is arranged on one side, far away from the refrigerating device, of the test box 1.
Further, refrigerating plant is including setting up refrigeration case 12 on the proof box 1 lateral wall, be provided with the liquid nitrogen in the refrigeration case 12, the top of refrigeration case 12 is provided with first air exhauster 13, the output of first air exhauster 13 is provided with first siphunculus 14, the one end that first air exhauster 13 was kept away from to first siphunculus 14 is provided with the top of proof box 1 and runs through proof box 1, be provided with first valve 15 on the first siphunculus 14.
Further, the heating device comprises a heating cavity 16 arranged on the side wall of the test box 1, a heating pipe 17 is arranged inside the heating cavity 16, a second exhaust fan 18 is arranged at the top end inside the heating cavity 16, a second through pipe 19 is arranged at the top of the heating cavity 16, one end, far away from the heating cavity 16, of the second through pipe 19 is arranged at the top of the test box 1 and penetrates through the test box 1, and a second valve 20 is arranged on the second through pipe 19.
Further, two sides of the top of the test box 1 are respectively vertically provided with a guide groove 21, a guide rod 22 is movably arranged in the guide groove 21, and the bottom end of the guide rod 22 is arranged on the mounting base 3.
Further, the supporting column 5 is a lifting supporting column, and the lifting supporting column is one of an electric push rod and a pneumatic push rod.
Further, the first tube 14 and the second tube 19 are both 304 stainless steel tubes.
Further, a temperature detector 23 is disposed inside the test chamber 1.
Further, an alarm 24 is disposed on the equipment box 8, and the alarm 24 is electrically connected to the temperature detector 24.
The use process comprises the following steps: the method comprises the following steps that firstly, a concrete tank filled with concrete is placed on a placing platform, then, a vertical cylinder is used for testing, when the testing needs to be carried out in a low-temperature environment, a first valve is opened, liquid nitrogen gas is pumped into a test box through a first exhaust fan, and an alarm starts to give an alarm to remind workers of carrying out low-temperature testing when the temperature detector detects that the temperature reaches the preset lowest temperature; when a high-temperature test is required, the heating pipe starts to heat, the second exhaust fan pumps hot air into the test box, and the alarm starts to give an alarm when the temperature detector in the test box reaches a preset highest temperature, so that the high-temperature test can be carried out;
in the process, the utility model discloses set up refrigeration plant and heating equipment respectively, can inspect the heat-resisting of concrete, cold-resistant ability, the object can expend with heat and contract with cold, when the concrete will be low temperature rapidly again from high temperature, if the concrete quality is unqualified, will make the concrete of just forming produce the fission, and the concrete quality is worse, fissile gap just is bigger; the through pipe is provided with a temperature detector and an alarm, and when the temperature in the equipment reaches the set lowest temperature and the set highest temperature, the alarm starts to alarm to the working personnel to play a warning role; the through pipe is provided with a lifting column, so that the distance between the placing platform and the pressing block can be adjusted; the utility model discloses simple structure, the practicality is strong, is worth promoting.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations. An object of the utility model is to provide a concrete is anti performance test device early to solve the problem that proposes in the above-mentioned background art.
Claims (8)
1. The utility model provides a concrete early crack resistance test device, includes proof box (1), its characterized in that: the top of the test box (1) is provided with a vertical cylinder (2), the lower end of the vertical cylinder (2) penetrates through the top of the test box (1) and extends into the test box (1), the bottom end of the vertical cylinder (2) is provided with a mounting seat (3), and the lower end of the mounting seat (3) is provided with a pressing block (4); supporting columns (5) are respectively installed on two sides of the lower end of the interior of the test box (1), supporting blocks (6) are respectively arranged at the upper ends of the two supporting columns (5), and a placing platform (7) is arranged at the top of each supporting block (6); an equipment box (8) is arranged at the bottom of the test box (1), a switch button (9) is arranged on one side of the equipment box (8), a display screen (10) is arranged in the middle of the equipment box (8), and a control panel (11) is arranged on one side, away from the switch button (9), of the equipment box (8); a refrigerating device is arranged on one side of the test box (1), and a heating device is arranged on one side, far away from the refrigerating device, of the test box (1).
2. The early crack resistance test device of concrete of claim 1, characterized in that: refrigerating plant is including setting up refrigeration case (12) on proof box (1) lateral wall, be provided with the liquid nitrogen in refrigeration case (12), the top of refrigeration case (12) is provided with first air exhauster (13), the output of first air exhauster (13) is provided with first siphunculus (14), the one end that first air exhauster (13) were kept away from in first siphunculus (14) is provided with the top of proof box (1) and runs through proof box (1), be provided with first valve (15) on first siphunculus (14).
3. The early crack resistance test device of concrete of claim 1, characterized in that: heating device is including setting up heating chamber (16) on proof box (1) lateral wall, heating chamber (16) inside is provided with heating pipe (17), the inside top of heating chamber (16) is provided with second air exhauster (18), the top of heating chamber (16) is provided with second siphunculus (19), the one end setting of heating chamber (16) is kept away from in second siphunculus (19) is in the top of proof box (1) and run through proof box (1), be provided with second valve (20) on second siphunculus (19).
4. The early crack resistance test device of concrete of claim 1, characterized in that: guide grooves (21) are vertically arranged on two sides of the top of the test box (1) respectively, guide rods (22) are movably arranged in the guide grooves (21), and the bottom ends of the guide rods (22) are arranged on the mounting base (3).
5. The early crack resistance test device of concrete of claim 1, characterized in that: the supporting column (5) is a lifting supporting column, and the lifting supporting column is one of an electric push rod or a pneumatic push rod.
6. The early crack resistance test device of concrete of claim 2, characterized in that: the first through pipe (14) and the second through pipe (19) are both 304 stainless steel pipes.
7. The early crack resistance test device of concrete of claim 1, characterized in that: and a temperature detector (23) is arranged in the test box (1).
8. The early crack resistance test device of concrete of claim 1, characterized in that: an alarm (24) is arranged on the equipment box (8), and the alarm (24) is electrically connected with the temperature detector (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602241.9U CN214749892U (en) | 2021-03-24 | 2021-03-24 | Concrete early crack resistance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602241.9U CN214749892U (en) | 2021-03-24 | 2021-03-24 | Concrete early crack resistance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214749892U true CN214749892U (en) | 2021-11-16 |
Family
ID=78596779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120602241.9U Expired - Fee Related CN214749892U (en) | 2021-03-24 | 2021-03-24 | Concrete early crack resistance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214749892U (en) |
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2021
- 2021-03-24 CN CN202120602241.9U patent/CN214749892U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |