CN215640654U - Temperature-controllable test device capable of simulating concrete durability test in various environments - Google Patents
Temperature-controllable test device capable of simulating concrete durability test in various environments Download PDFInfo
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- CN215640654U CN215640654U CN202121329336.4U CN202121329336U CN215640654U CN 215640654 U CN215640654 U CN 215640654U CN 202121329336 U CN202121329336 U CN 202121329336U CN 215640654 U CN215640654 U CN 215640654U
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 239000004567 concrete Substances 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 146
- 238000010438 heat treatment Methods 0.000 claims abstract description 65
- 230000002265 prevention Effects 0.000 claims abstract description 9
- 238000004088 simulation Methods 0.000 claims abstract description 6
- 239000008236 heating water Substances 0.000 claims description 26
- 239000000523 sample Substances 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002253 acid Substances 0.000 abstract description 5
- 239000003513 alkali Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000009863 impact test Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003317 industrial substance Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a controllable temperature test device capable of simulating concrete durability tests in various environments, which comprises a water bath tank, a heating system, a dry-wet circulating system and a tidal impact simulation system; the heating system provides required test temperature for the water bath tank, the dry-wet circulating system can control the dry-wet environment in the water bath tank, and the tide impact system is used for simulating the impact of tide phenomena on a test piece. The controllable temperature test device can realize water bath heating, provide dry-wet circulation, tidal impact and dry burning prevention, can avoid the phenomenon that the service life of the heating rod is shortened because strong acid and strong alkali corrode the heating rod in a water bath heating mode, ensures the use safety of equipment through the dry burning prevention device, and has the characteristics of simple work, lower manufacturing cost, various functions and the like.
Description
Technical Field
The utility model belongs to the field of concrete test piece durability tests, and particularly relates to a temperature-controllable test device capable of simulating concrete durability tests in various environments.
Background
The concrete is a main civil engineering material, has the advantages of convenient use, good matching property, high strength, fastness, low price, easy performance adjustment and the like, and is widely applied to the concrete in industrial and civil buildings, water supply and drainage engineering, road engineering, hydraulic engineering, underground engineering, national defense construction and the like. Therefore, concrete plays an important role in national infrastructure.
Since the application of concrete materials to the construction field, experimental studies on concrete durability have been carried out in countries around the world. The study of the durability of concrete began in france in the 40's of the 19 th century, in order to study the destruction of wharfs by seawater corrosion. At the end of the 19 th century, with the use of the first reinforced concrete members in industrial construction, various countries began to study the problems of durability and safety of reinforced concrete in industrial chemical corrosive environments.
In the industrial chemical corrosion environment, the concrete is usually under the high temperature condition, and when carrying out the durability test of high temperature corrosion to the concrete, needs generally to customize acid and alkali corrosion resistant constant temperature heating water tank in industry building construction unit, relevant professional colleges and universities and scientific research unit concrete laboratory, and the cost is high, and simultaneously, acid and alkali corrosion resistant heating device can not be under operating condition for a long time, must regularly change to extension heating device working life, the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the temperature-controllable test device capable of simulating the concrete durability test in various environments, the phenomenon that the service life of a heating rod is shortened due to corrosion of strong acid and strong base by the heating rod can be avoided in a water bath heating mode, the safety in use of equipment is ensured by an anti-dry heating device, and the temperature-controllable test device has the characteristics of simple work, low manufacturing cost, various functions and the like.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a controllable temperature test device capable of simulating concrete durability tests in various environments, which comprises a water bath tank, a heating system, a dry-wet circulating system and a tidal impact simulation system, wherein the water bath tank is connected with the heating system;
a plurality of adjusting rods for placing and supporting a test piece are arranged in the water bath tank;
the heating system comprises a heating water tank, a partition plate with holes, a heating rod, a temperature sensing probe and an anti-dry heating device, wherein the heating rod is positioned at the bottom in the heating water tank, the partition plate with holes is positioned at the upper part of the heating rod and divides the heating water tank into an upper area and a lower area, the anti-dry heating device is positioned between the heating rod and the partition plate with holes, the water bath tank is arranged on the partition plate with holes, and the temperature sensing probe is arranged on the side surface of the water bath tank and used for detecting the internal temperature of the water bath tank;
the dry-wet circulating system comprises a water storage tank, a water faucet, a water pump and an inclined bottom plate; the water storage tank and the water bath tank are arranged on the partition plate with the holes, water pipe interfaces on two sides of the water suction pump are respectively connected with the water storage tank and the water bath tank, the faucet is positioned on the outer side of the heating water tank and is connected with the water storage tank through a pipeline penetrating through the outer wall of the heating water tank, and the inclined bottom plate is positioned at the bottom of the water bath tank so that the bottom of the water bath tank inclines towards the water storage tank;
the tide impact simulation system comprises a wave making machine front plate and a hydraulic pump, wherein the hydraulic pump and the wave making machine front plate are both positioned on one side, far away from the water storage tank, of the water bath tank, and the hydraulic pump is used for driving the wave making machine front plate to generate waves.
Preferably, the test device further comprises a comprehensive control box, the comprehensive control box is positioned outside the heating water tank, and the comprehensive control box is respectively connected with the heating rod and the dry burning prevention device; the comprehensive control box is also connected with a hydraulic pump. The comprehensive control box comprises a control unit which is a singlechip.
Preferably, concave chutes are formed in two opposite inner side surfaces of the water bath box, protruding blocks matched with the concave chutes in shape are arranged at two ends of the adjusting rod, two ends of the adjusting rod are arranged in the concave chutes on two sides respectively, and the distance between the adjusting rods and the height of the adjusting rod can be adjusted according to the size of a test piece.
Preferably, the concave sliding groove comprises three horizontal sliding grooves which are parallel to each other and are at different heights and two vertical sliding grooves which are parallel to each other and intersect with the horizontal sliding grooves, and the adjusting rod can slide along the concave sliding groove.
Preferably, the front plate of the wave making machine is provided with three openings which are respectively parallel to the three horizontal concave chutes; the adjustment lever is free to slide in the opening.
Preferably, the water pipes on two sides of the water suction pump are hoses, the water storage tank and the water bath tank are both provided with protruding handle heads, the inner diameter of each hose is consistent with the outer diameter of each handle head, and each hose is sleeved on the outer side of each handle head and is hooped by the annular thin sheet.
Preferably, a plurality of temperature sensing probes are arranged in the water bath box, the temperature of the solution in the water bath box is monitored by the plurality of temperature sensing probes, the heating rod is controlled by the comprehensive control box according to the set temperature, the water in the heating water tank is heated in a water bath, the temperature of the solution in the water bath box is detected by the temperature sensing probes in the water bath box and is transmitted to the comprehensive control box, and if the temperature of the solution in the water bath box is within the set temperature, the heating rod stops working; if the temperature of the solution in the water bath box is out of the set temperature, the heating rod is heated to prolong the service life of the heating rod.
Preferably, the dry-heating prevention device is used for monitoring the water level in the heating and preventing the heating rod from being dried, and is a water level sensor.
Preferably, the heating water tank, the partition plate with holes, the heating rod and the dry-burning prevention device are made of common corrosion-resistant materials; the water storage tank, the water bath tank, the adjusting rod, the temperature sensing probe, the inclined bottom plate, the wave making machine front plate and the hydraulic pump are made of acid and alkali corrosion resistant materials.
The utility model has the beneficial effects that:
according to the utility model, the heating device can be prevented from being corroded or replaced due to acid-base corrosivity caused by tide impact by water bath heating, so that the cost is saved. The dry-wet circulation can be realized through the water pump, and the real working environment of the concrete is simulated as much as possible; meanwhile, the suction pump pumps the tide into the water storage tank in an impacting manner, so that the solution can be recycled, and the aim of saving the cost is fulfilled.
The utility model can simulate the state that tide impacts enter a concrete structure through the front plate of the wave making machine and the hydraulic pump, thereby realizing the function of simulating impact. The heating water tank can be prevented from being dried by the dry burning preventing device. The adjusting rod can adjust the distance of the concave sliding groove of the water bath box according to the test piece, and the space of the water bath box can be utilized to the maximum extent.
Drawings
FIG. 1 is an elevational, cross-sectional view of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 5 is a detail view of the female chute of the present invention;
FIG. 6 is a detail view of the adjustment lever of the present invention;
FIG. 7 is a side view of the wave maker front panel of the present invention;
FIG. 8 is a detailed view of the connection of the water pump and the reservoir of the present invention;
in the figure: 1. heating the water tank; 2. a water storage tank; 3. a water bath tank; 3(a) a water outlet of the water bath tank; 4. a front plate of the wave making machine; 5. a concave chute; 6. adjusting a rod; 7. a comprehensive control box; 8. a dry burning prevention device; 9. a faucet; 10. a water pump; 11. a temperature sensing probe; 12. a perforated partition plate; 13. a heating rod; 14. an inclined floor; 15. a hydraulic pump; 16. an annular sheet; 17. concrete test pieces.
Detailed Description
In order to make the technical solution of the present invention clearer and more complete, the present invention is further described below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientation or position shown in the drawings, and are merely for convenience and simplicity in describing the present invention.
Example 1
The controllable temperature test device capable of simulating the concrete durability test in various environments comprises a water bath box 3, a heating system, a dry-wet circulation system and a tidal impact simulation system.
Have concave spout 5 and regulation pole 6 in the water bath 3, as shown in fig. 4 and 5, all be equipped with concave spout 5 on two relative medial surfaces of water bath 3, as shown in fig. 6, the both ends of adjusting pole 6 are equipped with the lug that matches with concave spout shape, and adjust the pole 6 both ends and set up respectively in the concave spout 5 of both sides, can adjust interval and regulation pole height between the pole 6 according to the test piece size adjustment. In an embodiment of the present invention, the concave sliding groove 5 comprises three horizontal sliding grooves parallel to each other and at different heights and two vertical sliding grooves parallel to each other and intersecting with each other, so that the position and height of the adjusting rod 6 can be conveniently adjusted.
In a preferred embodiment, the testing device further comprises a comprehensive control box 7, the comprehensive control box is positioned outside the heating water tank, and the comprehensive control box is respectively connected with the heating rod and the dry burning prevention device; the comprehensive control box is also connected with a hydraulic pump. The comprehensive control box comprises a control unit, and the control unit can be selected to be a single chip microcomputer controller.
As shown in fig. 1, the heating system is a controllable temperature testing system, and the heating system comprises a heating water tank 1, a partition plate 12 with holes, a heating rod 13, a temperature sensing probe 11 and an anti-dry heating device 8. The heating rod 13 is located the bottom in the heating water tank 1, the baffle 12 with the hole is located the upper portion of heating rod 13, and it is two upper and lower regions with the heating water tank divide into, prevent that dry combustion method device 8 is located between heating rod 13 and the baffle 12 with the hole and links to each other with integrated control case 7, on the baffle 12 with the hole was arranged in to water bath 3, temperature-sensing probe 11 was located water bath 3 side, integrated control case 7 is located heating water tank 1 outside.
In the present embodiment, a total of three temperature-sensitive probes 11 are provided. The comprehensive control box 7 controls the heating rod 13 according to the set temperature to heat the water in the heating water tank 1 in a water bath manner, the temperature sensing probe 11 in the water bath box 3 detects the temperature of the solution in the water bath box 3 and transmits the temperature to the comprehensive control box 7, and if the temperature of the solution in the water bath box 3 is within the set temperature, the heating rod 13 stops working; if the temperature of the solution in the water bath 3 is not higher than the set temperature, the heating rod 13 is heated to prolong the service life of the heating rod 13.
The dry-heating preventing device 8 is used for monitoring the water level in the heating water tank 1 and preventing the heating rod 13 from being dried, and can be selected as a water level sensor.
The dry-wet circulation system comprises a water storage tank 2, a water tap 9, a water suction pump 10, an annular sheet 16 and an inclined bottom plate 14. The water storage tank 2 and the water bath tank 3 are arranged on the partition plate 12 with the holes, water pipe connectors on two sides of the water suction pump 10 are respectively connected with the water storage tank 2 and the water bath tank 3, as shown in figures 1 and 3, the faucet 9 is positioned on the outer side of the heating water tank 1 and is connected with the water storage tank 2 through a pipeline penetrating through the outer wall of the heating water tank 1. As shown in fig. 8, the water pipes at two sides of the water pump 10 are hoses, the water storage tank 2 and the water bath tank 3 are both provided with protruding handles, the inner diameter of the hose is consistent with the outer diameter of the handle, and the hose is sleeved outside the handle and is tightly clamped by an annular sheet 16; the water pump 10 can pump the solution in the water bath tank 3 into the water storage tank 2, so that the dry maintenance of the concrete test piece 17 can be realized, and the dry-wet cycle can be realized. The inclined bottom plate 14 is located at the bottom of the water bath tank 3, and since the water storage tank 2 is located at the left side of the water bath tank 3 in the embodiment, the inclined bottom plate is designed to be in an inclined shape with a lower left and a higher right, which is beneficial for the water pump 10 to pump the solution from the water bath tank 3 into the water storage tank 2.
The simulated tidal impact system comprises a wave making machine front plate 4 and a hydraulic pump 15, wherein the hydraulic pump 15 and the wave making machine front plate 4 are both positioned on the right side inside the water bath tank 3 and are controlled by the comprehensive control box 7. The left side and the right side in the water bath box 3 are respectively provided with three horizontal concave chutes 5 with different heights, as shown in figures 3 and 7, the front plate of the wave making machine is provided with three openings which are respectively parallel to the three horizontal concave chutes 5. The adjustment lever 6 is freely slidable in the opening and can be removed from the opening.
Example 2
According to the controllable temperature test device capable of simulating the concrete durability test under various environments in the embodiment 1, a multifunctional test method is provided and comprises the following steps:
when the device is used, the two ends of the adjusting rod 6 are firstly slid into the concave sliding groove 5, the adjusting rod 6 is adjusted to a reasonable position, the distance between the two adjusting rods 6 on the same horizontal plane is kept to be not more than 80% of the length of the short side of the concrete sample 17, and then the concrete sample 17 is placed between the adjusting rods 6; after the concrete sample 17 is placed, the prepared solution is injected into the water bath tank 3. Adding a proper amount of water into the heating water tank 1, setting a required temperature in the comprehensive control box 7, heating by the heating rod 13, sensing the temperature of the solution in the water bath tank 3 by three temperature sensing probes 11 in the water bath tank 3, and controlling the heating rod 13 to pause if the temperature in the water bath tank 3 is within the set temperature by the comprehensive control box; if the temperature in the water bath 3 is outside the set temperature, the heating rod 13 continues heating.
Dry-wet cycle test: when the soaking environment is required to be changed to the drying environment, the water pump 10 is started by the comprehensive control box 7, the solution is pumped into the water storage tank 2 from the water bath tank 3, and the inclined surface 14 at the bottom of the water bath tank 3 is favorable for pumping the liquid to the water storage tank 2; when the concentration of the solution needs to be detected, the tap 9 can be opened to sample for detection, and different detection methods are selected according to different solutions to detect the concentration of the solution. If the concentration of the solution is in the required range, the solution in the water storage tank can be reused when the dry environment is changed to the soaking environment; if the concentration is not in the required concentration range, the solution is discharged from the water faucet 9 and discarded, wherein the water pump is a bidirectional water pump, and the effect of bidirectional water pumping can be achieved. When it is desired to switch from a dry environment to a soaking environment, the water pump 10 is turned on and the solution in the reservoir 2 enters the water bath tank 3 until the desired level is reached.
When the test simulates a tide impact test, the required impact frequency is set, the hydraulic pump 15 is opened by the comprehensive control box 7, the front plate 4 of the wave maker is controlled to carry out the impact test, the solution can simulate the phenomenon of sea water tide by the front plate 4 of the wave maker, so that the solution in the water bath tank 3 can be flushed to the concrete sample 17 according to a certain waveform, and the impact effect is achieved. Wherein, there are three horizontal concave chutes 5 on the left and right sides in the water bath 3 respectively, and when carrying out the impact test, the concrete sample 17 is not placed to the regulation pole 6 of the lower floor, and the water level in the water bath 3 is slightly lower than the regulation pole 6 of intermediate level. And the distance between the concave chutes 5 is set to be L, the height of the concrete sample 17 is set to be h, and the wave pattern of the water wave generated by the front plate of the wave making machine conforms to (L + h) sinx.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The controllable temperature test device capable of simulating the concrete durability test in various environments is characterized by comprising a water bath tank, a heating system, a dry-wet circulating system and a tidal impact simulation system;
a plurality of adjusting rods for placing and supporting a test piece are arranged in the water bath tank;
the heating system comprises a heating water tank, a partition plate with holes, a heating rod, a temperature sensing probe and an anti-dry heating device, wherein the heating rod is positioned at the bottom in the heating water tank, the partition plate with holes is positioned at the upper part of the heating rod and divides the heating water tank into an upper area and a lower area, the anti-dry heating device is positioned between the heating rod and the partition plate with holes, the water bath tank is arranged on the partition plate with holes, and the temperature sensing probe is arranged on the side surface of the water bath tank and used for detecting the internal temperature of the water bath tank;
the dry-wet circulating system comprises a water storage tank, a water faucet, a water pump and an inclined bottom plate; the water storage tank and the water bath tank are arranged on the partition plate with the holes, water pipe interfaces on two sides of the water suction pump are respectively connected with the water storage tank and the water bath tank, the faucet is positioned on the outer side of the heating water tank and is connected with the water storage tank through a pipeline penetrating through the outer wall of the heating water tank, and the inclined bottom plate is positioned at the bottom of the water bath tank so that the bottom of the water bath tank inclines towards the water storage tank;
the tide impact simulation system comprises a wave making machine front plate and a hydraulic pump, wherein the hydraulic pump and the wave making machine front plate are both positioned on one side, far away from the water storage tank, of the water bath tank, and the hydraulic pump is used for driving the wave making machine front plate to generate waves.
2. The controllable temperature test device capable of simulating the concrete durability test under various environments as claimed in claim 1, wherein the test device further comprises a comprehensive control box, the comprehensive control box is positioned outside the heating water tank, and the comprehensive control box is respectively connected with the heating rod and the dry burning prevention device; the comprehensive control box is also connected with a hydraulic pump.
3. The controllable temperature test device capable of simulating the concrete durability test under various environments as claimed in claim 1, wherein concave chutes are arranged on two opposite inner sides of the water bath box, protruding blocks matched with the concave chutes in shape are arranged at two ends of the adjusting rod, two ends of the adjusting rod are respectively arranged in the concave chutes at two sides, and the distance between the adjusting rods and the height of the adjusting rod can be adjusted according to the size of the test piece.
4. The controllable temperature test device according to claim 3, wherein the concave sliding groove comprises three parallel horizontal sliding grooves at different heights and two parallel vertical sliding grooves intersecting with each other, and the adjusting rod can slide along the concave sliding groove.
5. The controllable temperature test device capable of simulating the concrete durability test under various environments as claimed in claim 4, wherein the front plate of the wave maker is provided with three openings which are respectively parallel to the three horizontal concave chutes; the adjustment lever is free to slide in the opening.
6. The temperature-controllable test device capable of simulating the concrete durability test under various environments as claimed in claim 1, wherein the water pipes at two sides of the water pump are hoses, the water storage tank and the water bath tank are respectively provided with a protruding handle head, the inner diameter of each hose is consistent with the outer diameter of each handle head, and each hose is sleeved outside each handle head and is tightly clamped by the annular sheet.
7. The controllable temperature test device capable of simulating concrete durability tests in various environments as claimed in claim 1, wherein a plurality of temperature sensing probes are arranged in the water bath tank.
8. The apparatus according to claim 1, wherein the dry-burning prevention device is a water level sensor for monitoring water level in the heating rod and preventing the heating rod from dry-burning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121329336.4U CN215640654U (en) | 2021-06-16 | 2021-06-16 | Temperature-controllable test device capable of simulating concrete durability test in various environments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121329336.4U CN215640654U (en) | 2021-06-16 | 2021-06-16 | Temperature-controllable test device capable of simulating concrete durability test in various environments |
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| Publication Number | Publication Date |
|---|---|
| CN215640654U true CN215640654U (en) | 2022-01-25 |
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|---|---|---|---|
| CN202121329336.4U Expired - Fee Related CN215640654U (en) | 2021-06-16 | 2021-06-16 | Temperature-controllable test device capable of simulating concrete durability test in various environments |
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| Country | Link |
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| CN (1) | CN215640654U (en) |
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2021
- 2021-06-16 CN CN202121329336.4U patent/CN215640654U/en not_active Expired - Fee Related
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Granted publication date: 20220125 |