CN218180729U - Equipment for rapidly determining expansion performance of concrete expanding agent - Google Patents

Abstract

The utility model discloses a device for rapidly measuring the expansion performance of a concrete expanding agent, which comprises a supporting component, a heat-insulating water bath heating component, a temperature control component, a monitoring component and a protection component; the supporting assembly comprises a base and is used for supporting the heat-insulation water bath heating assembly, the temperature control assembly, the monitoring assembly and the protection assembly; the heat-insulation water bath heating assembly comprises a heating barrel and a limiting and isolating block arranged at the bottom of the heating barrel, and a glass beer bottle test body is fixed in the heating barrel through the limiting and isolating block and a sealing barrel cover at the top of the heating barrel; the temperature control assembly comprises a heating resistor, a temperature sensor and a water temperature controller, and the heating resistor is respectively connected with the temperature sensor and the water temperature controller; the protection assembly is sleeved outside the heat insulation water bath heating assembly; the monitoring assembly is arranged on the protection assembly.

Description

Equipment for rapidly determining expansion performance of concrete expanding agent

Technical Field

The utility model belongs to the technical field of test equipment, specifically be an equipment of spot test concrete expanding agent expansibility.

Background

Along with the acceleration of the urbanization process, the proportion of the concrete engineering structure construction occupying the urban construction is increased day by day, and the concrete crack control has a vital influence on the underground engineering quality. In order to reduce and eliminate concrete cracks and maintain the stability of concrete volume, the chemical expansion compensation shrinkage concrete technology is developed. The concrete expansion agent is added into the concrete to prepare shrinkage-compensating concrete to compensate the self shrinkage of the concrete, so that the anti-cracking and anti-seepage purposes are achieved. Therefore, the method can quickly and accurately distinguish the expansion performance of the concrete expanding agent, and is important for ensuring the quality of the compensated shrinkage concrete to achieve the expected effect of controlling crack resistance and seepage resistance of engineering cracks.

In the process of determining the expansion performance of the concrete expansion agent, the method is operated according to the method specified in appendix C of GB23439-2009 concrete expansion agent, and the expansion performance of the sample can be determined after at least 2 days or 3 days or more. Particularly, in practical engineering, when rapid detection is required for the swelling performance of the swelling agent, the method takes too long.

China with publication number CN204142725U specially adapted to 2015, 2.4 discloses equipment for rapidly determining concrete expansion performance, which comprises a support system, a temperature control system and a test system, wherein the support system comprises a base, a bearing isolation net, a concrete mold, a hot water tank and a drainage faucet, the temperature control system comprises a power switch, a resistance wire and a water temperature controller, and the test system comprises a strain gauge, a data line and a reading instrument. Although the device can rapidly measure the expansion performance of the concrete, the integrity of a test body is damaged by measuring by inserting a strain gauge into the test body, and the concrete cracking condition cannot be correspondingly recorded with the cracking time.

Therefore, how to rapidly measure the expansion performance of the concrete expanding agent and solve the problems in the prior art still remains an important problem in the field.

Disclosure of Invention

For overcoming the not enough of above-mentioned prior art, the utility model provides a quick determination concrete expanding agent expansibility's equipment for solve above-mentioned at least one technical problem.

The utility model discloses a realize through following technical scheme:

a device for rapidly measuring the expansion performance of a concrete expanding agent comprises a supporting component, a heat-insulation water bath heating component, a temperature control component, a monitoring component and a protection component; the supporting assembly comprises a base and is used for supporting the heat-insulation water bath heating assembly, the temperature control assembly, the monitoring assembly and the protection assembly; the heat-insulation water bath heating assembly comprises a heating barrel and a limiting and isolating block arranged at the bottom of the heating barrel, and a glass beer bottle test body is fixed in the heating barrel through the limiting and isolating block and a sealing barrel cover at the top of the heating barrel; the temperature control assembly comprises a heating resistor, a temperature sensor and a water temperature controller, and the heating resistor is respectively connected with the temperature sensor and the water temperature controller; the protection assembly is sleeved outside the heat insulation water bath heating assembly; the monitoring assembly is arranged on the protection assembly.

According to the technical scheme, the test body is fixed through the heat-insulation water bath heating assembly, the test body is heated and controlled by temperature control through the cooperation of the temperature control assembly and the heat-insulation water bath heating assembly, in the heating process, the cracking condition of the test body is monitored through the monitoring assembly, time is recorded, and compared with the existing measuring mode utilizing a stress meter, the technical scheme can be used for rapidly and conveniently identifying the expansion performance of the concrete expanding agent without damaging the test body; in addition, this technical scheme still protects adiabatic water bath heating element, control module, temperature control assembly etc. through the protection subassembly, supports other subassemblies through supporting component, has improved the reliability of concrete expanding agent expansibility survey.

As a further technical scheme, the heating barrel is a double-layer vacuum glass heating barrel; the bottom of the double-layer vacuum glass heating barrel is provided with a limiting isolation block, and the top of the double-layer vacuum glass heating barrel is provided with a sealing barrel cover; the lower end of the glass beer bottle test body is fixed on the limiting isolation block, and the upper end of the glass beer bottle test body is fixed on the sealing barrel cover.

Above-mentioned technical scheme is the glass beer bottle test body with the test body preparation to fix it in the heating bucket, carry on spacingly through spacing spacer block and sealed bung to it, make the test body more stable among the concrete expanding agent expansion properties survey process, ensure the reliability of testing result.

The spacing spacer block is glass fiber material, and its diameter 175mm, thick 30mm.

The middle position of the spacing isolation block is provided with a bottle body spacing hole, the diameter of the bottle body spacing hole is 80mm, and the depth of the bottle body spacing hole is 10mm.

As a further technical scheme, a drainage faucet is arranged on the base; one end of the drainage faucet is communicated with the bottom of the heating barrel, and the other end of the drainage faucet extends out of the base. So arranged as to facilitate the discharge of water from the heating tub.

The water discharge faucet is a stainless steel faucet.

As a further technical scheme, a plurality of buffer adsorption foot pads are arranged below the base. Adsorb the callus on the sole through the buffering and cushion whole equipment, reach vibration/noise reduction's effect.

Furthermore, four buffer adsorption foot pads can be arranged and are respectively positioned at four symmetrical angle positions of the base.

The base is made of stainless steel and has the size of 300mm multiplied by 350mm multiplied by 50mm.

As a further technical scheme, the temperature control assembly further comprises a digital display controller, and the digital display controller is connected with the temperature sensor and the water temperature controller; and the heating resistor, the temperature sensor, the water temperature controller and the digital display controller are all connected with the power switch.

Further, the temperature control assembly further comprises a time controller for setting the heating time.

After a power switch is switched on, the heating temperature is set through the water temperature controller, the message time after the water temperature reaches the set temperature is set through the time controller, the water in the heating barrel is heated to the set temperature through heating of the heating resistor, the water temperature is sensed through the temperature sensor, and the display is carried out through the digital display controller.

As a further technical scheme, the digital display controller, the water temperature controller and the power switch are arranged on the side surface of the base; the heating resistor is arranged at the bottom of the heating barrel, and the temperature sensor is arranged in the heating barrel.

The heating resistor comprises a plurality of resistance wires which are all realized by platinum resistance wires, and each resistance wire is uniformly distributed at the bottom of the device in a 'return' shape.

As a further technical scheme, the protective assembly consists of a plurality of tempered glass protective plates.

The toughened glass protective plate has five, and the thickness of every piece is 3mm.

As a further technical scheme, the monitoring assembly comprises 2 camera devices, and the 2 camera devices are respectively located at the diagonal positions of the top end of the protection plate. The 2 camera devices arranged at the opposite angle positions of the top end of the toughened glass protective plate can realize the continuous monitoring of the glass beer bottle test body at 360 degrees without dead angles.

As a further technical scheme, the double-layer vacuum glass heating barrel is made of high-temperature-resistant glass, the diameter of the outer wall of the double-layer vacuum glass heating barrel is 200mm, the diameter of the inner wall of the double-layer vacuum glass heating barrel is 180mm, the thickness of the middle vacuum layer is 20mm, and the thickness of the glass wall is 3mm.

As a further technical scheme, the sealing barrel cover consists of high-temperature-resistant glass, a plastic sealing ring and a limiting hole positioned in the center of the sealing barrel cover.

The plastic sealing ring is provided with two layers and is used for forming sealing between the barrel cover and the heating barrel.

The limiting hole is made of glass fiber materials. The diameter of the sealing barrel cover is 200mm, and the thickness of the sealing barrel cover is 3mm.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a test body is fixed to adiabatic water bath heating element, heats and control by temperature change regulation and control through the cooperation of control by temperature change subassembly and adiabatic water bath heating element to the test body, and in the heating process, through monitoring subassembly control test body fracture condition and record time, for the current survey mode that utilizes the stressometer, can more fast, conveniently distinguish concrete expanding agent expansibility, and do not harm the test body.

The utility model discloses a protection subassembly protects adiabatic water bath heating element, control assembly, temperature control assembly etc. supports other subassemblies through supporting component, has improved the reliability of concrete expanding agent expansibility survey.

Drawings

Fig. 1 is a schematic structural diagram of an apparatus for rapidly determining the expansion performance of a concrete expansive agent according to an embodiment of the present invention.

In the figure: 1. a guard assembly; 2. sealing the barrel cover; 3. a glass beer bottle test body; 4. a double-layer vacuum glass heating barrel; 5. heating the area in a water bath; 6. a power plug; 7. a temperature sensor; 8. a limiting isolation block; 9. a heating resistor; 10. a drain tap; 11. a base; 12. a power switch; 13. a water temperature controller; 14. a time controller; 15. a digital display controller; 16. an indicator light; 17. buffering the adsorption foot pad; 18. a camera is provided.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element 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" and "first" 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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; may be mechanically, electrically or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Examples

The embodiment provides equipment for rapidly determining the expansion performance of a concrete expanding agent, which comprises a supporting assembly, a heat-insulation water bath heating assembly, a temperature control assembly, a monitoring assembly and a protection assembly 1, wherein the supporting assembly is arranged on the supporting assembly; the supporting assembly comprises a base 11 for supporting the heat-insulation water bath heating assembly, the temperature control assembly, the monitoring assembly and the protection assembly 1; the heat-insulation water bath heating assembly comprises a heating barrel and a limiting isolation block 8 arranged at the bottom of the heating barrel, and the glass beer bottle test body 3 is fixed in the heating barrel through the limiting isolation block 8 and a sealing barrel cover 2 at the top of the heating barrel; the temperature control assembly comprises a heating resistor 9, a temperature sensor 7 and a water temperature controller 13, wherein the heating resistor 9 is respectively connected with the temperature sensor 7 and the water temperature controller 13; the protection assembly 1 is sleeved outside the heat insulation water bath heating assembly; the monitoring assembly is arranged on the protective assembly 1.

The heating barrel is a double-layer vacuum glass heating barrel 4; the bottom of the double-layer vacuum glass heating barrel 4 is provided with a limiting isolation block 8, and the top of the double-layer vacuum glass heating barrel is provided with a sealing barrel cover 2; the lower end of the glass beer bottle test body 3 is fixed on the limiting isolation block 8, and the upper end of the glass beer bottle test body is fixed on the sealing barrel cover 2.

A drainage faucet 10 is arranged on the base 11; one end of the drainage faucet 10 is communicated with the bottom of the heating barrel, and the other end extends out of the base 11.

A plurality of buffer adsorption pad feet 17 are arranged below the base 11.

The temperature control assembly further comprises a digital display controller 15, and the digital display controller 15 is connected with the temperature sensor 7 and the water temperature controller 13; the heating resistor 9, the temperature sensor 7, the water temperature controller 13 and the digital display controller 15 are all connected with the power switch 12.

The temperature control assembly further comprises a time controller 14 for setting the heating time.

The digital display controller 15, the water temperature controller 13 and the power switch 12 are arranged on the side surface of the base 11; the heating resistor 9 is arranged at the bottom of the heating barrel, and the temperature sensor 7 is arranged in the heating barrel.

The protection assembly 1 consists of a plurality of toughened glass protection plates.

The monitoring assembly comprises 2 cameras 18, and 2 cameras 18 are respectively positioned at the diagonal positions of the top end of the protection plate.

The sealing barrel cover 2 is composed of high-temperature-resistant glass, a plastic sealing ring and a limiting hole located in the center of the sealing barrel cover 2. The plastic sealing ring is provided with two layers and is used for forming sealing between the barrel cover and the heating barrel.

In the present embodiment, the specifications adopted by the relevant components are: the thickness of the tempered glass protection plate in the protection component 1 is 3mm. The sealing barrel cover 2 consists of high-temperature-resistant glass, two layers of plastic sealing rings and a cover center limiting hole (made of glass fiber materials), the diameter is 200mm, and the glass wall thickness is 3mm. The double-layer vacuum glass heating barrel 4 is made of high-temperature-resistant glass, the diameter of the high outer wall is 200mm, the diameter of the inner wall is 180mm, the thickness of the middle vacuum layer is 20mm, and the thickness of the glass wall is 3mm. Spacing block 8 is the glass fiber material, and diameter 175mm, thick 30mm, the spacing hole diameter of middle body 80mm, dark 10mm. The heating resistors 9 comprise a plurality of platinum heating resistance wires, and the resistance wires are uniformly distributed at the bottom of the equipment in a 'return' shape. The drain tap 10 is stainless steel. The base 11 is made of stainless steel and has the size of 300mm multiplied by 350mm multiplied by 50mm. The water temperature controller 13 is an advanced thermostatic control device and transmits the temperature of the bath in the barrel back through the temperature sensor 7 in the barrel (the current water temperature digital display controller 15 can feed the bath temperature in the barrel back to the digital display in real time), thereby controlling the power supply to be switched on and off to achieve thermostatic control. The current working state of equipment can be judged through lighting up different colour pilot lamps 16 to pilot lamp 16, and 360 no dead angles continuous monitoring are carried out to glass beer bottle specimen 3 to 2 cameras 18 of control subassembly to make things convenient for accurate observation and record the fracture condition and the time of glass beer bottle specimen 3.

The working process of the embodiment is as follows: the concrete expanding agent to be detected is operated according to an appendix C.3 test method in GB/T23439-2017 of concrete expanding agent to be prepared into a glass beer bottle test body 3; the glass beer bottle test body 3 is arranged in a water bath heating area 5 of a double-layer vacuum glass heating barrel 4 and is fixed by a central groove of a bottom limiting isolation block 8; normal temperature tap water is injected into a water bath heating area 5 between a glass beer bottle test body 3 and a double-layer vacuum glass heating barrel 4; then, the sealing barrel cover 2 is covered, and the bottom limiting groove of the sealing barrel cover is matched and fixed with the top of the glass beer bottle test body 3; resetting the toughened glass protection plate of the protection component 1; a power plug 6 is connected to turn on a power switch 12, a water temperature controller 13 is operated to set the temperature to be heated, and an operation time controller 14 is operated to set the time for keeping the temperature when the water temperature reaches the set temperature; heating the heating resistor 9 to raise the temperature of the tap water to the set temperature; the 2 cameras 18 of the accessible control subassembly carry out 360 no dead angles continuous monitoring to glass beer bottle test body 3 in the heat preservation process to convenient accurate observation and record glass beer bottle test body 3's the fracture condition and time. In the process, the cement paste is subjected to rapid hydration reaction under a high-temperature condition, the performance is rapidly shown, the time consumed by 1 test is generally not more than 3h, and the process can realize rapid detection of the expansion performance of the concrete expanding agent.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The equipment for rapidly measuring the expansion performance of the concrete expanding agent is characterized by comprising a supporting assembly, a heat-insulation water bath heating assembly, a temperature control assembly, a monitoring assembly and a protection assembly; the supporting assembly comprises a base and is used for supporting the heat-insulation water bath heating assembly, the temperature control assembly, the monitoring assembly and the protection assembly; the heat-insulation water bath heating assembly comprises a heating barrel and a limiting isolation block arranged at the bottom of the heating barrel, and the glass beer bottle test body is fixed in the heating barrel through the limiting isolation block and a sealing barrel cover at the top of the heating barrel; the temperature control assembly comprises a heating resistor, a temperature sensor and a water temperature controller, and the heating resistor is respectively connected with the temperature sensor and the water temperature controller; the protection assembly is sleeved outside the heat insulation water bath heating assembly; the monitoring assembly is arranged on the protection assembly.

2. The apparatus for rapidly determining the expansive performance of the concrete expansive agent as claimed in claim 1, wherein the heating barrel is a double-layer vacuum glass heating barrel; the bottom of the double-layer vacuum glass heating barrel is provided with a limiting isolation block, and the top of the double-layer vacuum glass heating barrel is provided with a sealing barrel cover; the lower end of the glass beer bottle test body is fixed on the limiting isolation block, and the upper end of the glass beer bottle test body is fixed on the sealing barrel cover.

3. The apparatus for rapidly determining the expansive capability of the concrete expansive agent as claimed in claim 1, wherein a drainage tap is provided on the base; one end of the drainage faucet is communicated with the bottom of the heating barrel, and the other end of the drainage faucet extends out of the base.

4. The apparatus for rapidly determining the expansive capability of the concrete expansive agent as claimed in claim 1, wherein a plurality of buffering and absorbing feet are arranged below the base.

5. The apparatus for rapidly determining the expansion performance of the concrete expanding agent according to claim 1, wherein the temperature control assembly further comprises a digital display controller, and the digital display controller is connected with the temperature sensor and the water temperature controller; and the heating resistor, the temperature sensor, the water temperature controller and the digital display controller are all connected with the power switch.

6. The apparatus for rapidly determining the expansion performance of the concrete expanding agent according to claim 5, wherein the digital display controller, the water temperature controller and the power switch are arranged on the side surface of the base; the heating resistor is arranged at the bottom of the heating barrel, and the temperature sensor is arranged in the heating barrel.

7. The apparatus for rapidly determining the expansive capability of a concrete expansive agent according to claim 1, wherein said protection assembly is composed of a plurality of tempered glass protection plates.

8. The apparatus for rapidly determining the expansive capability of a concrete expansive agent according to claim 7, wherein the monitoring assembly comprises 2 cameras, and the 2 cameras are respectively positioned at the opposite corners of the top end of the protection plate.

9. The apparatus of claim 2, wherein the double-layer vacuum glass heating barrel is made of high temperature-resistant glass, and has an outer wall diameter of 200mm, an inner wall diameter of 180mm, a middle vacuum layer thickness of 20mm, and a glass wall thickness of 3mm.

10. The apparatus for rapidly determining the expansive performance of the concrete expansive agent according to claim 1, wherein the sealing barrel cover is composed of high-temperature-resistant glass, a plastic sealing ring and a limiting hole positioned in the center of the sealing barrel cover.

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