CN217687305U - Machine-made sand concrete expansion degree and mold-entering temperature testing device - Google Patents

Machine-made sand concrete expansion degree and mold-entering temperature testing device Download PDF

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CN217687305U
CN217687305U CN202123433310.7U CN202123433310U CN217687305U CN 217687305 U CN217687305 U CN 217687305U CN 202123433310 U CN202123433310 U CN 202123433310U CN 217687305 U CN217687305 U CN 217687305U
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machine
sand concrete
made sand
temperature
scales
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CN202123433310.7U
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韩晓亮
魏定邦
郭海贞
孙强盛
赵静卓
王晖
唐维斌
温得成
任国斌
吴来帝
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Gansu Provincial Highway Development Center
Lanzhou Highway Development Center Of Gansu Province
Lanzhou Highway Service Center
Shaanxi Zhongsheng Road Maintenance Engineering Technology Co ltd
Gansu Province Transportation Planning Survey and Design Institute Co Ltd
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Gansu Provincial Highway Development Center
Lanzhou Highway Development Center Of Gansu Province
Lanzhou Highway Service Center
Shaanxi Zhongsheng Road Maintenance Engineering Technology Co ltd
Gansu Province Transportation Planning Survey and Design Institute Co Ltd
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Abstract

The utility model discloses a mechanism sand concrete expansion degree and income mould temperature testing arrangement, include: the test panel, a plurality of temperature sensor, a plurality of humidity transducer and data acquisition box. The utility model discloses a set up concentric circles scale mark and scale on surveying test panel, the centre of a circle department that the nodical department of concentric circles scale mark and scale is located and the concentric circles scale mark sets up temperature sensor and humidity transducer at the concentric circles scale mark, and be connected temperature sensor and humidity transducer and data acquisition box, can the accurate test go out mechanism sand concrete mixture temperature along with the scale change condition and humidity along with the scale change condition at the flow in-process, thereby obtain the income mould temperature and the expansion degree of mechanism sand concrete mixture, can effectively avoid the error of artificial test, and the measuring accuracy is improved.

Description

Machine-made sand concrete expansion degree and mold-entering temperature testing device
Technical Field
The utility model relates to a concrete detection equipment field especially relates to a machine-made sand concrete expansion degree and income mould temperature testing arrangement.
Background
Along with the increasing development of infrastructure construction, natural sand resources are gradually in short supply, the contradiction between supply and demand of concrete sand is particularly prominent, and machine-made sand is imperative to replace natural sand stones. The machine-made sand is artificial sand formed by coarse breaking, fine breaking, vibrating screening and water washing of mother rock. The early strength of the flow property of the machine-made sand concrete is directly influenced by the appearance characteristics of rough surface texture, clear grain edges and corners and the mold-entering temperature of a mixture.
At present, the concrete fluidity is detected and the flowing performance is evaluated mainly through slump and expansion. The distance from the center of the concrete slump pile to the edge of the expansion ring is measured manually by a ruler, and then the expansion index is obtained by calculating the maximum diameter length of the horizontal expansion ring and the vertical expansion ring in two directions. The skill level of an operator directly influences the test result in the test process, the test result is easy to be inaccurate due to human factors, and the test error is increased. In addition, the mold-entering temperature of the concrete mixture is generally tested by a thermometer, and the thermometer is easily damaged in the testing process, so that the resource waste is caused. Above two kinds of test equipment all can not carry out the expansion degree and the temperature test of concrete mixture simultaneously. Therefore, it is important to design a machine-made sand concrete expansion and mold-entering temperature testing device with high testing precision and convenient operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mechanism sand concrete expansion and income mould temperature testing arrangement to realize the expansion and the income mould temperature of simultaneous test mechanism sand concrete mixture, improve the measuring accuracy.
In order to achieve the above object, the utility model provides a following scheme:
a machine-made sand concrete extension and mold-entry temperature testing device, the testing device comprising:
a test board for placing a slump pile of machine-made sand concrete mix at the center; the test board is provided with a plurality of concentric circle scale marks and two scale marks; the two graduated scales are mutually vertical and are intersected with the plurality of concentric circle graduation lines; the intersection point of the two graduated scales and the circle centers of the plurality of concentric circle graduation lines are the centers of the test board;
the temperature sensors are respectively positioned at the intersection point of the concentric circle scale mark and the graduated scale and the circle center and are used for detecting the temperature of the machine-made sand concrete mixture flowing to different scales and the initial temperature of the machine-made sand concrete mixture at the circle center;
the humidity sensors are respectively positioned at the intersection point of the concentric circle scale mark and the graduated scale and the circle center and are used for detecting the humidity of the machine-made sand concrete mixture flowing to different scales and the initial humidity of the machine-made sand concrete mixture at the circle center;
the data acquisition box is respectively connected with the plurality of temperature sensors and the plurality of humidity sensors and is used for testing the change condition of the temperature of the machine-made sand concrete mixture along with the scales in the flowing process according to the initial temperature of the machine-made sand concrete mixture and the temperature when the machine-made sand concrete mixture flows to different scales, and testing the change condition of the humidity of the machine-made sand concrete mixture along with the scales in the flowing process according to the initial humidity of the machine-made sand concrete mixture and the humidity when the machine-made sand concrete mixture flows to different scales; the temperature variation condition along with the scales is used for reflecting the mold-entering temperature of the machine-made sand concrete mixture, and the humidity variation condition along with the scales is used for reflecting the expansion degree of the machine-made sand concrete mixture.
Optionally, the bottom of the test board is provided with an adjustable foot support; the adjustable foot supports are used for leveling the test plate.
Optionally, a leveling bubble is arranged on the surface of the test plate; the number of the leveling air bubbles is two, and the leveling air bubbles are respectively positioned at one end of the two graduated scales; the level bubble is used for displaying whether the test board is horizontally placed or not.
Optionally, the surface of the data collection box is provided with an electronic timer; the electronic timer is used for metering the time when the machine-made sand concrete mixture flows to different scales so as to obtain the change condition of the fluidity of the machine-made sand concrete mixture in the flowing process along with the time; the fluidity is read from the two scales.
Optionally, a display screen is further arranged on the surface of the data acquisition box; the display screen is used for displaying the temperature variation condition along with the scales, the humidity variation condition along with the scales and the fluidity variation condition along with time.
Optionally, a memory device is disposed inside the data collection box; the specification of the memory device is 32G.
Optionally, a storage battery is arranged inside the data acquisition box; the storage battery is used for supplying power to the data acquisition box.
Optionally, the test board is in the shape of a cylinder or a regular quadrangular prism, and the material of the test board is organic glass.
Optionally, when the test plate is in the shape of a regular quadrangular prism, the test plate has a length of 1200mm, a width of 1200mm and a height of 400mm; the two scales are respectively positioned in the horizontal direction and the vertical direction of the surface of the test board.
Optionally, the distance between two adjacent concentric circle scale marks is 100mm, and the diameter of the innermost concentric circle scale mark is 200mm; the division values of the two graduated scales are both 5mm.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model provides a mechanism sand concrete expansion degree and income mould temperature testing arrangement, include: the test panel, a plurality of temperature sensor, a plurality of humidity transducer and data acquisition box. The test board is provided with a plurality of concentric circle scale marks and two scales, the plurality of temperature sensors and the plurality of humidity sensors are equally arranged at intersection points and circle centers of the concentric circle scale marks and the scales respectively, the temperature and the humidity when the machine-made sand concrete mixture flows to different scales and the initial temperature and the initial humidity of the machine-made sand concrete mixture at the circle centers are detected, the data acquisition box is connected with the temperature sensors and the humidity sensors respectively, the temperature of the machine-made sand concrete mixture in the flowing process along with the scale change condition and the humidity along with the scale change condition are detected, and the mold-entering temperature and the expansion degree of the machine-made sand concrete mixture are obtained.
The utility model discloses a set up concentric circles scale mark and scale on surveying the board, the centre of a circle department that the nodical department of concentric circles scale mark and scale reaches the concentric circles scale mark sets up temperature sensor and humidity transducer, and be connected temperature sensor and humidity transducer and data acquisition box, can the accurate temperature of testing mechanism sand concrete mixture in the flow in-process along with the scale change condition and humidity along with the scale change condition, thereby obtain mechanism sand concrete mixture's income mould temperature and divergence, can effectively avoid the error of artificial test, improve the measuring accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention.
Description of the symbols: 1-data acquisition box, 2-survey test panel, 3-display screen, 4-electronic timer, 5-temperature sensor, 6-humidity transducer, 7-concentric circles scale mark, 8-scale, 9-adjustable foot holds, 10-level bubble, 11-memory ware, 12-battery, 13-signal line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a mechanism sand concrete expansion and income mould temperature testing arrangement to realize the expansion and the income mould temperature of simultaneous test mechanism sand concrete mixture, improve the measuring accuracy.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is the utility model discloses a structural schematic diagram (wherein survey test panel 2 and be the top view, data acquisition box 1 is the stereogram), as shown in fig. 1, the utility model provides a mechanism sand concrete expansion degree and income mould temperature testing arrangement includes: the test board 2, a plurality of temperature sensors 5, a plurality of humidity sensors 6 and the data acquisition box 1.
In particular, the test panel 2 is used to place a slump pile of machine-made sand concrete mix at the center; the test board 2 is provided with a plurality of concentric circle scale marks 7 and two scale marks 8; the two graduated scales 8 are perpendicular to each other and are intersected with the concentric circle graduation lines 7; the intersection point of the two graduated scales 8 and the circle centers of the concentric circle graduation lines 7 are the centers of the test board 2.
The temperature sensors 5 are respectively located at the intersection point of the concentric circle scale mark 7 and the scale 8 and at the circle center, and are used for detecting the temperature of the machine-made sand concrete mixture flowing to different scales and the initial temperature of the machine-made sand concrete mixture at the circle center.
The humidity sensors 6 are respectively located at the intersection point of the concentric circle scale mark 7 and the scale 8 and the circle center, and are used for detecting the humidity of the machine-made sand concrete mixture flowing to different scales and the initial humidity of the machine-made sand concrete mixture at the circle center.
The data acquisition box 1 is respectively connected with the plurality of temperature sensors 5 and the plurality of humidity sensors 6 and is used for testing the change condition of the temperature of the machine-made sand concrete mixture along with the scales in the flowing process according to the initial temperature of the machine-made sand concrete mixture and the temperature when the machine-made sand concrete mixture flows to different scales, and testing the change condition of the humidity of the machine-made sand concrete mixture along with the scales in the flowing process according to the initial humidity of the machine-made sand concrete mixture and the humidity when the machine-made sand concrete mixture flows to different scales; the temperature variation condition along with the scales is used for reflecting the mold-entering temperature of the machine-made sand concrete mixture, and the humidity variation condition along with the scales is used for reflecting the expansion degree of the machine-made sand concrete mixture.
The temperature variation with the scale and the humidity variation with the scale are both curve graphs or broken line graphs drawn by a conventional point tracing method, the abscissa of each point is the scale value of the scale line of the concentric circle, and the ordinate is the temperature value measured by the temperature sensor or the humidity value measured by the humidity sensor on the corresponding scale. Since this part is realized by the prior art, and is not within the protection scope of the present invention, it is not repeated.
Preferably, the data acquisition box 1 is of the model LR8450-01; the model of the temperature sensor 5 is DS18B20; the model of the humidity sensor 6 is DHT11.
As an alternative embodiment, the test board 2 is in the shape of a cylinder or a regular quadrangular prism, and the material of the test board 2 is plexiglass.
Further, when the test board 2 is in the shape of a regular quadrangular prism, the test board 2 has a length of 1200mm, a width of 1200mm, and a height of 400mm; the two graduated scales 8 are respectively positioned in the horizontal direction and the vertical direction of the surface of the test board 2.
Scale numbers are marked on the concentric circle scale lines 7 and the scale bars 8, and preferably, the scale values of the concentric circle scale lines 7 and the scale values of the two scale bars 8 are gradually increased from the center to the outer circle by taking the center of the test board as a zero scale. The temperature variation with the scales and the humidity variation with the scales respectively comprise variation conditions in an upper direction, a lower direction, a left direction and a right direction. Taking the temperature change condition along with the scales as an example, the temperature change condition of the upper part along with the scales reflects the temperature change condition of the mechanism sand concrete mixture expanding in the vertical upward direction, the temperature change condition of the lower part along with the scales reflects the temperature change condition of the mechanism sand concrete mixture expanding in the vertical downward direction, the temperature change condition of the left side along with the scales reflects the temperature change condition of the mechanism sand concrete mixture expanding in the horizontal left direction, and the temperature change condition of the right side along with the scales reflects the temperature change condition of the mechanism sand concrete mixture expanding in the horizontal right direction. The humidity changes with the scale.
In the divergence test of reality, because mechanism sand concrete mixture is not the uniform diffusion, form a circular, but form a class ellipse shape under most of circumstances, consequently the utility model discloses on concentric circles scale mark and scale, down, a left side, all set up temperature sensor 5 and humidity transducer 6 on the nodical of four directions in the right side and test, thereby can test the temperature and the humidity change of mixture in the not equidirectional flow in-process more comprehensively, through the analysis to the not equidirectional mixture in-process temperature of flowing and the humidity variation condition, realize the mixture in the not equidirectional temperature of flowing in-process, whether humidity evenly distributed evaluates, through carrying out the not equidirectional temperature to the mixture, the actual measurement of humidity, reflect the change law of mixture in the flowing in-process more really, and then test the mold-entering temperature and the divergence of mixture more accurately.
In this embodiment, the distance between two adjacent concentric circle scale marks is 100mm, and the diameter of the innermost concentric circle scale mark is 200mm; the division values of the two graduated scales are both 5mm; the measuring range of the temperature sensor 5 is 0-30 ℃, and the precision is 0.1 ℃; the range of the humidity sensor 6 is 30% to 99% RH, the accuracy is 0.1% RH; the temperature sensors 5 and the humidity sensors 6 are respectively connected with the data acquisition box 1 through signal lines 13. However, the present invention is not limited to this, and may be adjusted according to actual circumstances.
Further, the bottom of the test board 2 is provided with an adjustable foot rest 9; the adjustable foot-rests 9 are used to level the test board 2. In this embodiment, the number of the adjustable foot bearings 9 is four, and the four adjustable foot bearings are symmetrically distributed at four corners of the bottom of the test board 2, any one of the adjustable foot bearings 9 can be used for independently adjusting the height of the bottom surface of the test board 2, and the four adjustable foot bearings 9 can also be used for leveling the test board 2 at the same time.
Further, a leveling bubble 10 is arranged on the surface of the test board 2; the number of the leveling air bubbles 10 is two, and the leveling air bubbles are respectively positioned at one end of each of the two graduated scales 8; the level bubble 10 is used to indicate whether the test plate 2 is placed horizontally. In this embodiment, when two leveling bubbles 10 are respectively opposite to two scales 8, the test board 2 is horizontally placed.
Further, an electronic timer 4 is arranged on the surface of the data acquisition box 1; the electronic timer 4 is used for metering the time when the machine-made sand concrete mixture flows to different scales so as to obtain the change condition of the fluidity of the machine-made sand concrete mixture in the flowing process along with the time; the fluidity is read from the two scales 8. In this embodiment, the range of the electronic timer 4 is 0min to 10min, and the accuracy is 1s.
Preferably, the surface of the data acquisition box is also provided with a display screen 3; the display screen 3 is used for displaying the temperature variation condition along with the scales, the humidity variation condition along with the scales and the fluidity variation condition along with time.
As a specific embodiment, the data collection box 1 is internally provided with a memory 11; the specification of the memory 11 is 32G.
In a specific embodiment, the data acquisition box 1 is internally provided with a storage battery 12; the storage battery 12 is used for supplying power to the data acquisition box 1.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses an electronic timer can realize 1 s's measuring accuracy, can the accurate time that machine-made sand concrete mixture flows the value and corresponds at the flow in-process of testing to show directly perceivedly on the display screen, reflect the condition that the mobility changes with time.
2. The utility model discloses well temperature sensor can realize 0.1 ℃ of test accuracy, the initial temperature of test out concrete mixture that can be accurate and the temperature variation condition of flow in-process.
3. Adopt the utility model discloses can test out the extension of mechanism sand concrete mixture accurately through the humidity transducer of different concentric circles scale mark departments to and along with the change condition of the change mechanism sand concrete's of flow time and temperature degree of change, and show on the display screen, can avoid artificial test error from this, improve the measuring accuracy.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. The utility model provides a mechanism sand concrete expansion and income mould temperature testing arrangement which characterized in that, testing arrangement includes:
a test board for placing a slump pile of machine-made sand concrete mix at the center; the test board is provided with a plurality of concentric circle scale marks and two scale marks; the two graduated scales are mutually vertical and are intersected with the plurality of concentric circle graduation lines; the intersection point of the two graduated scales and the circle centers of the plurality of concentric circle graduation lines are the centers of the test board;
the temperature sensors are respectively positioned at the intersection point of the concentric circle scale mark and the graduated scale and the circle center and are used for detecting the temperature of the machine-made sand concrete mixture flowing to different scales and the initial temperature of the machine-made sand concrete mixture at the circle center;
the humidity sensors are respectively positioned at the intersection point of the concentric circle scale mark and the graduated scale and the circle center and are used for detecting the humidity of the machine-made sand concrete mixture flowing to different scales and the initial humidity of the machine-made sand concrete mixture at the circle center;
the data acquisition box is respectively connected with the plurality of temperature sensors and the plurality of humidity sensors and is used for testing the change condition of the temperature of the machine-made sand concrete mixture along with the scales in the flowing process according to the initial temperature of the machine-made sand concrete mixture and the temperature when the machine-made sand concrete mixture flows to different scales, and testing the change condition of the humidity of the machine-made sand concrete mixture along with the scales in the flowing process according to the initial humidity of the machine-made sand concrete mixture and the humidity when the machine-made sand concrete mixture flows to different scales; the temperature variation condition along with the scales is used for reflecting the mold-entering temperature of the machine-made sand concrete mixture, and the humidity variation condition along with the scales is used for reflecting the expansion degree of the machine-made sand concrete mixture.
2. The machine-made sand concrete extensibility and entry mold temperature testing apparatus of claim 1, wherein the bottom of said test board is provided with adjustable foot supports; the adjustable foot supports are used for leveling the test plate.
3. The machine-made sand concrete expansion and in-mold temperature testing device of claim 1, wherein the surface of the test board is provided with leveling air bubbles; the number of the leveling air bubbles is two, and the leveling air bubbles are respectively positioned at one end of each of the two graduated scales; the level bubble is used for displaying whether the test board is horizontally placed or not.
4. The machine-made sand concrete extensibility and entry temperature testing apparatus of claim 3, wherein an electronic timer is provided on the surface of said data collection box; the electronic timer is used for measuring the time when the machine-made sand concrete mixture flows to different scales so as to obtain the change condition of the fluidity of the machine-made sand concrete mixture along with time in the flowing process; the fluidity is read from the two scales.
5. The machine-made sand concrete extensibility and mold-entering temperature testing device of claim 4, wherein a display screen is further arranged on the surface of the data collection box; the display screen is used for displaying the temperature variation condition along with the scales, the humidity variation condition along with the scales and the fluidity variation condition along with time.
6. The machine-made sand concrete extensibility and mold-entering temperature testing device of claim 1, wherein a memory device is arranged inside the data collection box; the specification of the memory device is 32G.
7. The machine-made sand concrete expansion and mold-entering temperature testing device of claim 1, wherein a storage battery is arranged inside the data acquisition box; the storage battery is used for supplying power to the data acquisition box.
8. The device for testing the spread of machine-made sand concrete and the temperature of entering mold as claimed in claim 1, wherein the testing board is in the shape of a cylinder or a regular quadrangular prism and is made of organic glass.
9. The apparatus for testing machine-made sand concrete expansion and drop-in temperature according to claim 8, wherein when the test board is in the shape of a regular quadrangular prism, the test board has a length of 1200mm, a width of 1200mm, and a height of 400mm; the two scales are respectively positioned in the horizontal direction and the vertical direction of the surface of the test board.
10. The machine-made sand concrete expansion and mold-in temperature testing device of claim 1, wherein the distance between two adjacent concentric circle scale marks is 100mm, and the diameter of the concentric circle scale mark at the innermost circle is 200mm; the division values of the two graduated scales are both 5mm.
CN202123433310.7U 2021-12-29 2021-12-29 Machine-made sand concrete expansion degree and mold-entering temperature testing device Active CN217687305U (en)

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Application Number Priority Date Filing Date Title
CN202123433310.7U CN217687305U (en) 2021-12-29 2021-12-29 Machine-made sand concrete expansion degree and mold-entering temperature testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123433310.7U CN217687305U (en) 2021-12-29 2021-12-29 Machine-made sand concrete expansion degree and mold-entering temperature testing device

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CN217687305U true CN217687305U (en) 2022-10-28

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