CN103674749A - Cured concrete surface strength test device and test method thereof - Google Patents
Cured concrete surface strength test device and test method thereof Download PDFInfo
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- CN103674749A CN103674749A CN201310693440.5A CN201310693440A CN103674749A CN 103674749 A CN103674749 A CN 103674749A CN 201310693440 A CN201310693440 A CN 201310693440A CN 103674749 A CN103674749 A CN 103674749A
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Abstract
The invention discloses a cured concrete surface strength test device and a test method thereof. The device comprises a frame and a horizontal turntable arranged on the frame, wherein a perpendicular spindle perpendicular to the horizontal turntable is mounted above the horizontal turntable through the frame, and a notch groove grinding body is arranged at the lower end of the perpendicular spindle; a clamp is arranged on the horizontal turntable; the horizontal turntable and the perpendicular spindle are driven by an electric motor driving mechanism arranged on the frame to rotate automatically; and a dust collector is further arranged on the frame, and a dust collection head of the dust collector is arranged above the horizontal turntable. Aiming at the test of a notch groove strength ratio of new mortar to new concrete, the cured concrete surface strength test device can be used for evaluating new concrete surface strength performance, and the measurement value is accurate.
Description
Technical field
The invention belongs to concrete test technical field, relate to the strength test of concrete curing rear surface, especially a kind of concrete curing rear surface strength testing device and test method thereof.
Background technology
The surface strength of cement concrete pavement is one of important indicator of weighing concrete performance, especially through the surface strength of the concrete sample of concrete curing agent health, weigh especially a kind of health-preserving preparation and can effectively improve one of critical index of concrete various aspects of performance, but just there is no index of correlation at present evaluates the concrete surface intensity after health-preserving preparation health.
As concrete curing agent, require to have permeability, only according to naked eyes, cannot distinguish down the health-preserving preparation that oozes and the boundary between concrete at all, if can know the intensity on the concrete sample surface of scape health-preserving preparation health, so just can analyze qualitatively health-preserving preparation and whether concrete surface intensity be had to raising, and can compare health-preserving preparation superiority-inferiority in this respect.
Now propose concrete surface strength character New Set after a kind of measurement health, groove depth is than M, and it is defined as first stage groove depth after concrete surface strength tester is processed and the ratio of whole process groove depth.If the test specimen groove depth after the present invention processes, than larger, illustrates if concrete surface intensity is lower, further illustrate health-preserving preparation length of penetration to be measured little, being therefore necessary to propose groove depth evaluates concrete surface intensity than this index.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of concrete curing rear surface strength testing device and test method thereof are provided.
The object of the invention is to be achieved through the following technical solutions:
This concrete curing rear surface strength testing device, comprise framework and be arranged on the horizontal rotating disc on framework, above described horizontal rotating disc, by frame installation, have the vertical major perpendicular to horizontal rotating disc, the lower end of described vertical major is provided with cutting abrasive body; On horizontal rotating disc, be provided with fixture; Described horizontal rotating disc and vertical major all drive rotation by the motor-driven mechanism being arranged on framework; On described framework, be also provided with suction cleaner, the cleaner head of suction cleaner is arranged on the top of horizontal rotating disc.
The ratio of gear of above-mentioned vertical major and horizontal rotating disc is 35:1.
Above-mentioned motor-driven mechanism comprises motor and the speed reduction unit being connected with the output shaft of motor, the output shaft of described speed reduction unit by oil groove by transmission of power to horizontal rotating disc; Described speed reduction unit also passes through oil groove transferring power to transmission shaft, and described transmission shaft passes through gear set transferring power to described vertical major.
In above-mentioned oil groove, be provided with the coaxial gear wheel being connected of described horizontal rotating disc and with the coaxial pinion wheel being connected of described transmission shaft, described large and small gear is intermeshing, gear wheel is also coaxially connected with the output shaft of speed reduction unit.
Above-mentioned motor-driven mechanism is also provided with appliance controller, is provided with normal relay indicating light, start key, stop key, revolution display, adds turn key, turn reducing key 19, supply voltage monitoring table on described appliance controller.
Above-mentioned cutting abrasive body comprises circular body, and steel nail assembly is set in circular body,, steel nail assembly is to be formed by three groups of steel nails that are evenly distributed on circumference, every group of steel nail has 4 steel nails to become two rows to distribute.
The present invention also proposes a kind of test method based on above-mentioned concrete curing rear surface strength testing device, comprises the following steps:
1) concrete sample is polished flat in advance, the dry processing of the concrete sample after polishing is stand-by;
2) utilize and on appliance controller, add turn key motor revolution is adjusted to 30;
3) by the flat surface grinding of concrete sample upward, put to horizontal rotating disc and make telltale mark, and tighten up with fixture; Then under 200N load, grind 30 and turn, take off concrete sample and sweep the clean powder h that fathoms
1;
4) concrete sample is put back on the origin-location of horizontal rotating disc and sets level, tighten up, at counterweight hook, add the counterweight of a 100N, utilize to add turn key and revolution is adjusted into 40 turns, concrete sample is ground to 40 under 300N load and turn; Take off concrete sample and sweep the clean powder h that fathoms
2, whole wear process makes the cleaner head of suction cleaner aim at concrete sample wear surface, makes the powder under wearing and tearing timely
From wear surface, siphon away record data, deal with data
complete experiment.
The present invention has following beneficial effect:
(1) the invention provides a kind of new concrete surface strength test index, make up the deficiency of concrete surface strength character test index.
(2) analyzer of the present invention is easy and simple to handle, economical and practical.
(3) analyzer test philosophy of the present invention is simple.
(4) concrete curing of the present invention rear surface strength testing device can be for the test of newly-built mortar and newly-built concrete cutting strength ratio, and for evaluating newly-built concrete surface strength character, its measured value is accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of proving installation of the present invention;
Fig. 2 is the vertical view of cutting abrasive body 6.
Wherein: 1 is framework; 2 is speed reduction unit; 3 is oil groove; 4 is horizontal rotating disc; 5 is cleaner head; 6 is cutting abrasive body; 7 is vertical major; 8 is transmission shaft; 9 is sensor; 10 is washer; 11 is transmission gear; 12 is motor; 13 is suction cleaner; 14 is counterweight hook; 15 is start button; 16 is normal relay indicating light; 17 is stop button; 18 for adding turn key; 19 is turn reducing key; 20 is revolution display; 21 is appliance controller; 22 inspect table for supply voltage; 23 is fixture.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Referring to Fig. 1, of the present invention kind of concrete curing rear surface strength testing device, comprise framework 1 and be arranged on the horizontal rotating disc 4 on framework 1, above described horizontal rotating disc 4, by framework 1, the vertical major 7 perpendicular to horizontal rotating disc 4 is installed, the lower end of described vertical major 7 is provided with cutting abrasive body 6; On horizontal rotating disc 4, be provided with fixture 23; Described horizontal rotating disc 4 and vertical major 7 all drive rotation by the motor-driven mechanism being arranged on framework 1; On described framework 1, be also provided with suction cleaner 13, the cleaner head 5 of suction cleaner 13 is arranged on the top of horizontal rotating disc 4.The effect of suction cleaner 13 is that while making work, the dust under mill siphons away at any time, has guaranteed that test specimen fully contacts with cutting abrasive body 6 in whole process.In described vertical major 7, be also provided with to press down the counterweight hook 14 of vertical major 7, by hang the power that counterweight acts on test specimen cutting abrasive body 6 on counterweight hook 14, increase.In addition, for the depressed position of detection of vertical main shaft 7, on framework 1, to be also provided with sensor 9, meanwhile, in order matching with sensor 9, in vertical major 7, to be provided with washer 10.
Fixture 23 of the present invention is comprised of four dops, and two fixing, and two adjustable, screws adjustable clamp make it motion with tubular key, can make test specimen clamp or loosen.
Described cutting abrasive body 6 comprises circular body, steel nail assembly is set in circular body, as shown in the figure, steel nail assembly is to be formed by three groups of steel nails 24 that are evenly distributed on circumference, and every group of steel nail 24 has 4 steel nails to become two rows to distribute, in whole process of lapping, when the wearing and tearing of steel nail quality are 0.5g, reversing of position inside and outside same group of steel nail should be regrinded while damaging 0.5g, should be eliminated.Refer to Fig. 2, the vertical view of cutting abrasive body.
As shown in Figure 1: motor-driven mechanism comprises motor 12 and the speed reduction unit 2 being connected with the output shaft of motor 12, the output shaft of described speed reduction unit 2 by oil groove 3 by transmission of power to horizontal rotating disc 4; Described speed reduction unit 2 also passes through oil groove 3 transferring power to transmission shaft 8, and described transmission shaft 8 passes through gear set transferring power to described vertical major 7.The oil groove 3 that the present invention mentions is actually the device of a transmission and distributed power, in oil groove 3, be provided with the coaxial gear wheel being connected of horizontal rotating disc 4 and with the coaxial pinion wheel being connected of transmission shaft 8, large and small gear is intermeshing, and gear wheel is also coaxially connected with the output shaft of speed reduction unit 2.
Another kind of transmission scheme of the present invention is: on motor 12 output terminals, by two driving-chains, drive respectively horizontal rotating disc and main shaft to rotate.In most preferred embodiment of the present invention, vertical major 7 is 35:1 with the ratio of gear of horizontal rotating disc 4.
Control of the present invention is by appliance controller 21(or electric machine controller) complete, appliance controller 21 is connected to the Motor Control end in motor-driven mechanism, is provided with normal relay indicating light 16, start key 15, stop key 17, revolution display 20, adds turn key 18, turn reducing key 19, supply voltage monitoring table 22 on appliance controller 21.Appliance controller 21 is used for controlling power supply and the actual revolution of horizontal rotating disc 4, supply voltage monitoring table 23 is housed on it, 0-999 digital automaton and auto-stopper, by with the coordinating of horizontal rotating disc 4, the revolution of horizontal rotating disc 4 can be set in advance, on revolution display 20, show the revolution size setting.After start, the cam under horizontal rotating disc 4 is depressed the lower calibration bar of dish, often turns and depresses once, and by giving appliance controller after approach switch reception signal, horizontal rotating disc 4 revolutions can stop after reaching setting value automatically.
The present invention act on pressure head on test specimen load by vertical major 7(containing bistrique) weight and the stack of counterweight weight form.When pressure head load is 200N, be main shaft weight, when pressure head load is 300N, by that analogy.
Based on above-described concrete curing rear surface strength testing device, the present invention proposes a kind of concrete surface strength detection method, comprises the following steps:
1) concrete sample is polished flat in advance, the dry processing of the test specimen after polishing is stand-by;
2) plug in, treat that normal relay indicating light 16 is bright, represent that this concrete curing rear surface strength testing device is in normal operating conditions, regulate horizontal rotating disc 4 revolutions, utilization adds turn key 18 horizontal rotating disc 4 revolutions is adjusted to 30;
3) by concrete sample flat surface grinding upward, put to the horizontal rotating disc 4 of concrete surface strength-testing machine and make telltale mark, and tighten up gently with fixture 23.Then under 200N load, grind 30 and turn, take off test specimen and sweep the clean powder h that fathoms
1;
4) concrete sample is put back on the origin-location of horizontal rotating disc 4 and sets level, tighten up, (note not remaining particle between concrete sample and horizontal rotating disc 4 in order to avoid affect contacting of test specimen and cutting abrasive body 6), the counterweight that adds a 100N at counterweight hook 14, utilization adds turn key 18 and revolution is adjusted into 40 turns, and concrete sample is ground to 40 under 300N load and turn.Take off test specimen and sweep the clean powder h that fathoms
2, whole wear process should be aimed at concrete sample wear surface by the cleaner head of suction cleaner 13 5, the dust under concrete sample wearing and tearing is siphoned away in time, record data, deal with data from concrete sample wear surface
complete experiment;
5) data analysis.
Utilize this concrete curing rear surface strength testing device test concrete surface intensity, if groove depth is than larger, illustrate if concrete surface intensity is lower, further illustrate health-preserving preparation length of penetration to be measured little, vice versa.
Claims (7)
1. a concrete curing rear surface strength testing device, it is characterized in that, comprise framework (1) and be arranged on the horizontal rotating disc (4) on framework (1), top at described horizontal rotating disc (4) is provided with the vertical major (7) perpendicular to horizontal rotating disc (4) by framework (1), and the lower end of described vertical major (7) is provided with cutting abrasive body (6); On horizontal rotating disc (4), be provided with fixture (23); Described horizontal rotating disc (4) and vertical major (7) all drive rotation by the motor-driven mechanism being arranged on framework (1); On described framework (1), be also provided with suction cleaner (13), the cleaner head (5) of suction cleaner (13) is arranged on the top of horizontal rotating disc (4).
2. concrete curing according to claim 1 rear surface strength testing device, is characterized in that, described vertical major (7) is 35:1 with the ratio of gear of horizontal rotating disc (4).
3. concrete curing according to claim 1 rear surface strength testing device, it is characterized in that, described motor-driven mechanism comprises motor (12) and the speed reduction unit (2) being connected with the output shaft of motor (12), the output shaft of described speed reduction unit (2) by oil groove (3) by transmission of power to horizontal rotating disc (4); Described speed reduction unit (2) also passes through oil groove (3) transferring power to transmission shaft (8), and described transmission shaft (8) passes through gear set transferring power to described vertical major (7).
4. concrete curing according to claim 1 rear surface strength testing device, it is characterized in that, in described oil groove (3), be provided with the coaxial gear wheel being connected of described horizontal rotating disc (4) and with the coaxial pinion wheel being connected of described transmission shaft (8), described large and small gear is intermeshing, and gear wheel is also coaxially connected with the output shaft of speed reduction unit (2).
5. concrete curing according to claim 1 rear surface strength testing device, it is characterized in that, described motor-driven mechanism is also provided with appliance controller (21), is provided with normal relay indicating light (16), start key (15), stop key (17), revolution display (20), adds turn key (18), turn reducing key (19), supply voltage monitoring table (22) on described appliance controller (21).
6. concrete curing according to claim 1 rear surface strength testing device, it is characterized in that, described cutting abrasive body (6) comprises circular body, steel nail assembly is set in circular body, steel nail assembly is to be formed by the three groups of steel nails (24) that are evenly distributed on circumference, and every group of steel nail (24) has 4 steel nails to become two rows to distribute.
7. the test method based on concrete curing rear surface strength testing device described in claim 1-6 any one, is characterized in that, comprises the following steps:
1) concrete sample is polished flat in advance, the dry processing of the concrete sample after polishing is stand-by;
2) utilize and on appliance controller (21), add turn key (18) motor revolution is adjusted to 30;
3) by the flat surface grinding of concrete sample upward, put to horizontal rotating disc (4) and make telltale mark, and tighten up with fixture (23); Then under 200N load, grind 30 and turn, take off concrete sample and sweep the clean powder h that fathoms
1;
4) concrete sample is put back on the origin-location of horizontal rotating disc (4) and sets level, tighten up, at counterweight hook (14), add the counterweight of a 100N, utilize to add turn key (18) and revolution is adjusted into 40 turns, concrete sample is ground to 40 under 300N load and turn; Take off concrete sample and sweep the clean powder h that fathoms
2, whole wear process makes the cleaner head (5) of suction cleaner (13) aim at concrete sample wear surface, the powder under wearing and tearing is siphoned away in time, record data, deal with data from wear surface
complete experiment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693440.5A CN103674749B (en) | 2013-12-16 | 2013-12-16 | Concrete curing rear surface strength testing device and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693440.5A CN103674749B (en) | 2013-12-16 | 2013-12-16 | Concrete curing rear surface strength testing device and test method thereof |
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| CN103674749A true CN103674749A (en) | 2014-03-26 |
| CN103674749B CN103674749B (en) | 2016-08-17 |
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| CN201310693440.5A Expired - Fee Related CN103674749B (en) | 2013-12-16 | 2013-12-16 | Concrete curing rear surface strength testing device and test method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501049A (en) * | 2016-12-09 | 2017-03-15 | 安徽省建筑工程质量监督检测站 | A kind of method that New-core sample makes impervious test piece |
| CN106918512A (en) * | 2017-03-28 | 2017-07-04 | 河海大学 | A kind of air bubble mix light-textured soil pours phase surface strength and determines device and method of testing |
| CN110967270A (en) * | 2019-12-03 | 2020-04-07 | 郑州工业应用技术学院 | Concrete structure strength testing device |
| CN111458249A (en) * | 2019-01-21 | 2020-07-28 | 上海城建物资有限公司 | Method for rapidly evaluating grindability of concrete |
| CN112098253A (en) * | 2020-09-21 | 2020-12-18 | 中通服咨询设计研究院有限公司 | Indoor concrete ice abrasion testing device and testing method |
| CN113804570A (en) * | 2021-11-16 | 2021-12-17 | 中建安装集团有限公司 | Cement-based material surface detection device and detection method thereof |
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| CN201402236Y (en) * | 2009-04-21 | 2010-02-10 | 华南理工大学 | Main drive wheel type pavement material test device |
| CN201689027U (en) * | 2010-05-15 | 2010-12-29 | 葛洲坝集团试验检测有限公司 | Centrifugal concrete punching abrasion resistance tester |
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| CN85200621U (en) * | 1985-04-06 | 1986-02-19 | 西安交通大学 | Tester for testing scouring wear |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106501049A (en) * | 2016-12-09 | 2017-03-15 | 安徽省建筑工程质量监督检测站 | A kind of method that New-core sample makes impervious test piece |
| CN106918512A (en) * | 2017-03-28 | 2017-07-04 | 河海大学 | A kind of air bubble mix light-textured soil pours phase surface strength and determines device and method of testing |
| CN111458249A (en) * | 2019-01-21 | 2020-07-28 | 上海城建物资有限公司 | Method for rapidly evaluating grindability of concrete |
| CN110967270A (en) * | 2019-12-03 | 2020-04-07 | 郑州工业应用技术学院 | Concrete structure strength testing device |
| CN110967270B (en) * | 2019-12-03 | 2022-03-25 | 郑州工业应用技术学院 | Concrete structure strength testing device |
| CN112098253A (en) * | 2020-09-21 | 2020-12-18 | 中通服咨询设计研究院有限公司 | Indoor concrete ice abrasion testing device and testing method |
| CN113804570A (en) * | 2021-11-16 | 2021-12-17 | 中建安装集团有限公司 | Cement-based material surface detection device and detection method thereof |
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| CN103674749B (en) | 2016-08-17 |
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