CN103674749B - Concrete curing rear surface strength testing device and test method thereof - Google Patents
Concrete curing rear surface strength testing device and test method thereof Download PDFInfo
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- CN103674749B CN103674749B CN201310693440.5A CN201310693440A CN103674749B CN 103674749 B CN103674749 B CN 103674749B CN 201310693440 A CN201310693440 A CN 201310693440A CN 103674749 B CN103674749 B CN 103674749B
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- rotating disc
- horizontal rotating
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Abstract
The invention discloses a kind of concrete curing rear surface strength testing device and test method thereof, this device includes framework and the horizontal rotating disc being arranged on framework, be provided with the vertical major being perpendicular to horizontal rotating disc above horizontal rotating disc by framework, the lower end of vertical major is provided with cutting abrasive body；Horizontal rotating disc is provided with fixture；Horizontal rotating disc and vertical major all drive rotation by the motor-driven mechanism being arranged on framework；Being additionally provided with vacuum cleaner on framework, the cleaner head of vacuum cleaner is arranged on the top of horizontal rotating disc.The concrete curing rear surface strength testing device of the present invention can be used for evaluating newly-built concrete surface strength character for newly-built mortar and the test of newly-built concrete cutting strength ratio, and its measured value is accurate.
Description
Technical field
The invention belongs to concrete test technical field, relate to concrete curing rear surface intensity and survey
Examination, 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 weighing concrete performance, especially
It is to weigh a kind of health preserving especially through the surface strength of the concrete sample of concrete curing agent health preserving
Can agent be effectively improved one of critical index of concrete various aspects of performance, but the most at present
There is no index of correlation and evaluate the concrete surface intensity after health-preserving preparation health preserving.
Require that there is permeability as concrete curing agent, cannot distinguish down only according to naked eyes at all and ooze
Health-preserving preparation and concrete between boundary, if can know that scape health-preserving preparation health preserving concrete examination
The intensity on part surface, then whether just can analyze health-preserving preparation qualitatively to concrete surface intensity
There is raising, and health-preserving preparation superiority-inferiority in this respect can be compared.
Now propose one and weigh concrete surface strength character New Set after health preserving, groove depth ratio
M, it is defined as the first stage groove depth after concrete surface strength tester processes with whole
The ratio of individual process groove depth.If the test specimen groove depth ratio after processed by the invention is the biggest,
Illustrate, if concrete surface intensity is the lowest, to further illustrate health-preserving preparation length of penetration to be measured little,
It is therefore desirable to propose groove depth to evaluate concrete surface intensity than this index.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that a kind of concrete curing
Rear surface strength testing device and test method thereof.
It is an object of the invention to be achieved through the following technical solutions:
This concrete curing rear surface strength testing device, including framework and be arranged on framework
Horizontal rotating disc, be provided with by framework above described horizontal rotating disc and be perpendicular to horizontal rotating disc
Vertical major, the lower end of described vertical major is provided with cutting abrasive body；Horizontal rotating disc is arranged
There is fixture；Described horizontal rotating disc and vertical major are all by the motor-driven mechanism being arranged on framework
Drive rotation；Being additionally provided with vacuum cleaner on described framework, the cleaner head of vacuum cleaner is arranged on level and turns
The top of dish.
Above-mentioned vertical major is 35:1 with the gear ratio of horizontal rotating disc.
Above-mentioned motor-driven mechanism includes motor and the deceleration being connected with the output shaft of motor
Device, power is transferred to horizontal rotating disc by oil groove by the output shaft of described decelerator；Described decelerator
Transmitting power to power transmission shaft also by oil groove, described power transmission shaft transmits power to described by gear train
Vertical major.
The gear wheel coaxially connected with described horizontal rotating disc it is provided with and with described in above-mentioned oil groove
The little gear that power transmission shaft is coaxially connected, described large and small gear engages each other, gear wheel also with deceleration
The output shaft of device is coaxially connected.
Above-mentioned motor-driven mechanism is additionally provided with appliance controller, and described appliance controller is provided with
Normal relay indicating light, start key, stop key, revolution display, add turn key, turn reducing key 19,
Supply voltage monitoring table.
Above-mentioned cutting abrasive body includes circular body, arranges steel nail assembly in circular body, steel
Screw assembly is to be formed by the three groups of steel nails being uniformly distributed circumferentially, and often group steel nail has 4 steel nails to become
Two row's distributions.
The present invention also proposes a kind of examination based on above-mentioned concrete curing rear surface strength testing device
Proved recipe method, comprises the following steps:
1) concrete sample is polished flat in advance, the concrete sample dried after polishing is treated
With；
2) utilize and add turn key on appliance controller motor revolution is adjusted to 30；
3) by the flat surface grinding of concrete sample upward, put to horizontal rotating disc, make telltale mark, and use
Fixture fastens；Then under 200N load, grind 30 turns, take off concrete sample and sweep the measurement of clean powder
Degree of depth h1；
4) concrete sample is put back on the origin-location of horizontal rotating disc sets level, fasten, at counterweight
Hook adds the counterweight of a 100N, and utilization adds turn key and revolution is adjusted to 40 turns, is tried by concrete
Part grinds 40 turns under 300N load；Take off concrete sample to sweep clean powder and fathom h2, whole
Wear process makes the cleaner head alignment concrete sample wear surface of vacuum cleaner, makes the powder under abrasion timely
Siphon away from wear surface, record data, process dataComplete experiment.
The method have the advantages that
(1) the invention provides a kind of new concrete surface strength test index, make up coagulation
The deficiency of soil surface strength performance testing index.
(2) analyzer of the present invention is easy and simple to handle, economical and practical.
(3) the analyzer test philosophy of the present invention is simple.
(4) the concrete curing rear surface strength testing device of the present invention can be for newly-built mortar
And the test of newly-built concrete cutting strength ratio, it is used for evaluating newly-built concrete surface strength character,
Its measured value is accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the test device of the present invention；
Fig. 2 is the top view of cutting abrasive body 6.
Wherein: 1 is framework；2 is decelerator；3 is oil groove；4 is horizontal rotating disc；5 is dust suction
Head；6 is cutting abrasive body；7 is vertical major；8 is power transmission shaft；9 is sensor；10 is shelves
Sheet；11 is travelling gear；12 is motor；13 is vacuum cleaner；14 link up with for counterweight；15 are
Start button；16 is normal relay indicating light；17 is stop button；18 for adding turn key；19 are
Turn reducing key；20 is revolution display；21 is appliance controller；22 inspect table for supply voltage；
23 is fixture.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail:
Seeing Fig. 1, the kind concrete curing rear surface strength testing device of the present invention, including framework
1 and the horizontal rotating disc 4 that is arranged on framework 1, above described horizontal rotating disc 4, pass through framework
1 is provided with the vertical major 7 being perpendicular to horizontal rotating disc 4, and the lower end of described vertical major 7 is provided with
Cutting abrasive body 6；Horizontal rotating disc 4 is provided with fixture 23；Described horizontal rotating disc 4 is with vertical
Main shaft 7 all drives rotation by the motor-driven mechanism being arranged on framework 1；On described framework 1
Being additionally provided with vacuum cleaner 13, the cleaner head 5 of vacuum cleaner 13 is arranged on the top of horizontal rotating disc 4.
When the effect of vacuum cleaner 13 is to make work, the dust under mill siphons away at any time, it is ensured that test specimen is in whole mistake
Journey is fully contacted with cutting abrasive body 6,.It is additionally provided with in described vertical major 7 and hangs down by following pressure
The counterweight hook 14 of straight main shaft 7, makes cutting grind by hanging counterweight on counterweight hook 14
Body 6 acts on the power on test specimen and increases.It addition, for the depressed position detecting vertical major 7,
Framework 1 is additionally provided with sensor 9, meanwhile, in order to match with sensor 9, vertically
Washer 10 it is provided with on main shaft 7.
The fixture 23 of the present invention is made up of four dops, fixes for two, and two adjustable, uses sleeve
Spanner screws adjustable clamp and is allowed to move, and can make test specimen clamping or loosen.
Described cutting abrasive body 6 includes circular body, arranges steel nail assembly in circular body, as
Shown in figure, steel nail assembly is to be formed by the three groups of steel nails 24 being uniformly distributed circumferentially, often organizes steel nail
24 have 4 steel nails to become two row's distributions, in whole process of lapping, when the abrasion of steel nail quality is 0.5g
Time, should by reversing of position inside and outside same group of steel nail, regrind damage 0.5g time, should eliminate.Refer to figure
2, the top view of cutting abrasive body.
The motor 12 of the present invention provides power, Qi Zhongyi for horizontal rotating disc 4 and vertical major 7
The scheme planting electric-motor drive is as follows:
As shown in Figure 1: motor-driven mechanism includes motor 12 and the output with motor 12
The decelerator 2 that axle connects, power is transferred to water by oil groove 3 by the output shaft of described decelerator 2
Rotating disc 4；Described decelerator 2 transmits power to power transmission shaft 8, described power transmission shaft also by oil groove 3
8 transmit power to described vertical major 7 by gear train.The oil groove 3 that the present invention is previously mentioned is actually
It is a transmission and the device of distribution power, is provided with in oil groove 3 and coaxially connects with horizontal rotating disc 4
The gear wheel connect and the little gear coaxially connected with power transmission shaft 8, large and small gear engages each other,
Gear wheel is also coaxially connected with the output shaft of decelerator 2.
Motor 12 drives vertical major 7 to make relative revolution with horizontal rotating disc 4 by decelerator 2
Motion, in vertical major 7, cutting abrasive body 6 revolves round the sun around vertical major 7, and horizontal rotating disc 4 is borrowed again
The effect autobiography of frictional force, two kinds of effects produce an annular trace with the degree of depth, the powder under mill
Dirt is siphoned away the effectiveness that ensure that whole process at any time by vacuum cleaner 13.
The another kind of transmission scheme of the present invention is: on motor 12 outfan by two driving-chains respectively
Horizontal rotating disc and main shaft is driven to rotate.In highly preferred embodiment of the present invention, vertical major 7 and water
The gear ratio of rotating disc 4 is 35:1.
The control of the present invention is by appliance controller 21(or electric machine controller) complete, electrical equipment control
The Motor Control end that device 21 is connected in motor-driven mechanism, appliance controller 21 is provided with
Normal relay indicating light 16, start key 15, stop key 17, revolution display 20, add turn key 18,
Turn reducing key 19, supply voltage monitoring table 22.Appliance controller 21 is used for controlling power supply and level turns
The actual revolution of dish 4, equipped with supply voltage monitoring table 23 on it, 0-999 figure automatic control dress
Put and auto-stopper, by with the coordinating of horizontal rotating disc 4, the revolution making horizontal rotating disc 4 can
It is previously set, revolution display 20 shows set revolution size.After start, horizontal rotating disc
Calibration bar under cam pressure dish under 4, every turn of pressure once, is given after receiving signal proximity switch
Appliance controller, horizontal rotating disc 4 revolution can be automatically stopped after reaching setting value.
The present invention acts on head-load on test specimen by vertical major 7(containing bistrique) weight and
Counterweight weight superposition forms.When head-load is 200N, it is main shaft weight, head-load
During for 300N, by that analogy.
Based on above-described concrete curing rear surface strength testing device, the present invention proposes one
Concrete surface strength detection method, comprises the following steps:
1) concrete sample is polished flat in advance, by stand-by for the test specimen dried after polishing；
2) plug in, treat that normal relay indicating light 16 is bright, then it represents that table after this concrete curing
Face strength testing device is in normal operating conditions, regulates horizontal rotating disc 4 revolution, utilizes and adds turn key
Horizontal rotating disc 4 revolution is adjusted to 30 by 18；
3) level by concrete sample flat surface grinding upward, put to concrete surface strength-testing machine turns
Make telltale mark on dish 4, and fasten gently with fixture 23.Then under 200N load, grind 30
Turn, take off test specimen and sweep clean powder and fathom h1；
4) concrete sample is put back on the origin-location of horizontal rotating disc 4 and sets level, fasten, (note
Meaning does not remain granule in order to avoid affecting test specimen and cutting between concrete sample and horizontal rotating disc 4
The contact of abrasive body 6), add the counterweight of a 100N at counterweight hook 14, utilize and add turn key 18
Revolution is adjusted to 40 turns, concrete sample is ground 40 turns under 300N load.Take off test specimen to sweep
Clean powder fathoms h2, the cleaner head 5 of vacuum cleaner 13 should be directed at concrete by whole wear process
Test specimen wear surface, makes the dust under concrete sample abrasion siphon away from concrete sample wear surface in time,
Record data, process dataComplete experiment；
5) data analysis.
Utilize this concrete curing rear surface strength testing device test concrete surface intensity, if
Groove depth ratio is the biggest, illustrates if concrete surface intensity is the lowest, further illustrates to be measured supporting
Raw agent length of penetration is little, and vice versa.
Claims (4)
1. a concrete curing rear surface strength testing device, it is characterised in that include framework (1)
And the horizontal rotating disc (4) being arranged on framework (1), at the upper square tube of described horizontal rotating disc (4)
Cross framework (1) and the vertical major (7) being perpendicular to horizontal rotating disc (4), described vertical major are installed
(7) lower end is provided with cutting abrasive body (6)；Horizontal rotating disc (4) is provided with fixture (23)；
Described horizontal rotating disc (4) and vertical major (7) are all driven by the motor being arranged on framework (1)
Motivation structure drives rotation；Vacuum cleaner (13), vacuum cleaner (13) it is additionally provided with on described framework (1)
Cleaner head (5) be arranged on the top of horizontal rotating disc (4)；Described vertical major (7) and level
The gear ratio of rotating disk (4) is 35:1；Described motor-driven mechanism include motor (12) and with
The decelerator (2) that the output shaft of motor (12) connects, the output shaft of described decelerator (2) leads to
Cross oil groove (3) and power is transferred to horizontal rotating disc (4)；Described decelerator (2) is also by oil groove (3)
Transmitting power to power transmission shaft (8), described power transmission shaft (8) transmits power to described hanging down by gear train
Straight main shaft (7)；
Described cutting abrasive body (6) includes circular body, arranges steel nail assembly in circular body,
Steel nail assembly is to be formed by the three groups of steel nails (24) being uniformly distributed circumferentially, often organizes steel nail (24)
4 steel nails are had to become two row's distributions.
Concrete curing rear surface the most according to claim 1 strength testing device, its feature exists
In, be provided with in described oil groove (3) gear wheel coaxially connected with described horizontal rotating disc (4) and
The little gear coaxially connected with described power transmission shaft (8), described large and small gear engages each other, canine tooth
Take turns also coaxially connected with the output shaft of decelerator (2).
Concrete curing rear surface the most according to claim 1 strength testing device, its feature exists
In, described motor-driven mechanism is additionally provided with appliance controller (21), described appliance controller (21)
On be provided with normal relay indicating light (16), start key (15), stop key (17), revolution show
Device (20), add turn key (18), turn reducing key (19), supply voltage monitoring table (22).
4. one kind fills based on concrete curing rear surface strength test described in claim 1-3 any one
The test method put, it is characterised in that comprise the following steps:
1) concrete sample is polished flat in advance, the concrete sample dried after polishing is treated
With；
2) utilize and add turn key (18) on appliance controller (21) motor revolution is adjusted to 30；
3) by the flat surface grinding of concrete sample upward, put and make telltale mark to horizontal rotating disc (4),
And fasten with fixture (23)；Then under 200N load, grind 30 turns, take off concrete sample and sweep only
Powder fathoms h1；
4) concrete sample is put back on the origin-location of horizontal rotating disc (4) and sets level, fasten,
Counterweight hook (14) adds the counterweight of a 100N, and utilization adds turn key (18) and revolution is adjusted to 40
Turn, concrete sample is ground 40 turns under 300N load；Take off concrete sample and sweep the measurement of clean powder
Degree of depth h2, whole wear process makes cleaner head (5) the alignment concrete sample mill of vacuum cleaner (13)
Damage face, makes the powder under abrasion siphon away from wear surface in time, records data, processes dataComplete reality
Test.
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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| Publication Number | Publication Date |
|---|---|
| CN103674749A CN103674749A (en) | 2014-03-26 |
| CN103674749B true CN103674749B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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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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| 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 |
| CN106918512B (en) * | 2017-03-28 | 2019-06-21 | 河海大学 | A kind of air bubble mix light-textured soil pours phase surface strength measurement device and test method |
| 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 |
| 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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| CN87207632U (en) * | 1987-05-06 | 1988-03-23 | 铁道部第三勘测设计院 | Abrasion tester for stones |
| CN2053752U (en) * | 1989-09-14 | 1990-02-28 | 中国建筑材料科学研究院 | Cenmented sand wearproof tester |
| US6125685A (en) * | 1997-09-30 | 2000-10-03 | The Board Of Trustees Of The University Of Arkansas | Apparatus and method for the evaluation of asphalt mixes |
| 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 |
| CN203616221U (en) * | 2013-12-16 | 2014-05-28 | 长安大学 | Testing apparatus for evaluating surface strength after concrete curing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200621U (en) * | 1985-04-06 | 1986-02-19 | 西安交通大学 | Tester for testing scouring wear |
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2013
- 2013-12-16 CN CN201310693440.5A patent/CN103674749B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207632U (en) * | 1987-05-06 | 1988-03-23 | 铁道部第三勘测设计院 | Abrasion tester for stones |
| CN2053752U (en) * | 1989-09-14 | 1990-02-28 | 中国建筑材料科学研究院 | Cenmented sand wearproof tester |
| US6125685A (en) * | 1997-09-30 | 2000-10-03 | The Board Of Trustees Of The University Of Arkansas | Apparatus and method for the evaluation of asphalt mixes |
| 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 |
| CN203616221U (en) * | 2013-12-16 | 2014-05-28 | 长安大学 | Testing apparatus for evaluating surface strength after concrete curing |
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| CN103674749A (en) | 2014-03-26 |
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