CN203616221U - Testing apparatus for evaluating surface strength after concrete curing - Google Patents

Testing apparatus for evaluating surface strength after concrete curing Download PDF

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Publication number
CN203616221U
CN203616221U CN201320833764.XU CN201320833764U CN203616221U CN 203616221 U CN203616221 U CN 203616221U CN 201320833764 U CN201320833764 U CN 201320833764U CN 203616221 U CN203616221 U CN 203616221U
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China
Prior art keywords
rotating disc
horizontal rotating
surface strength
concrete curing
rear surface
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Expired - Fee Related
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CN201320833764.XU
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Chinese (zh)
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郑木莲
李欣
彭平
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Changan University
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Changan University
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Abstract

The utility model relates to a testing apparatus for evaluating surface strength after concrete curing. The testing apparatus comprises a frame, and a horizontal rotary table arranged on the frame, wherein a vertical main axle is mounted above the horizontal rotary table through the frame and is perpendicular to the horizontal rotary table, and a cutting groove grinding body is arranged at the lower end of the vertical main axle; a clamp is arranged on the horizontal rotary table; the horizontal rotary table and the vertical main axle are both driven by a motor driving mechanism arranged on the frame to rotate ; a dust collector is also arranged on the frame, and the dust sucking head of the dust collector is arranged above the horizontal rotary table. The testing apparatus for evaluating surface strength after the concrete curing, provided by the utility model, can test the cutting groove strength rate of new mortar and concrete, can be used for evaluating the surface strength of the new concrete, and the measured value is accurate.

Description

A kind of concrete curing rear surface strength test device of evaluating
Technical field
The utility model belongs to concrete test technical field, relates to the strength test of concrete curing rear surface, especially a kind of concrete curing rear surface strength test device of evaluating.
Background technology
The surface strength of cement concrete pavement is one of important indicator of weighing concrete performance, especially weigh especially a kind of health-preserving preparation through the surface strength of the concrete sample of concrete curing agent health 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.
Require to have permeability as concrete curing agent, cannot distinguish down the boundary between health-preserving preparation and the concrete oozing only according to naked eyes 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.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and a kind of concrete curing rear surface strength test device of evaluating is provided.
The purpose of this utility model is achieved through the following technical solutions:
This evaluation concrete curing rear surface strength test device, comprise framework and be arranged on the horizontal rotating disc on framework, above described horizontal rotating disc, have the vertical major perpendicular to horizontal rotating disc by frame installation, 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.
The speed reduction unit that above-mentioned motor-driven mechanism comprises motor and is connected with the output shaft of motor, the output shaft of described speed reduction unit is passed to horizontal rotating disc by oil groove by power; Described speed reduction unit also passes through oil groove transferring power to transmission shaft, and described transmission shaft is by extremely described vertical major of gear set transferring power.
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 utlity model has following beneficial effect:
Evaluation concrete curing of the present utility model rear surface strength test 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 utility model;
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 utility model is described in further detail:
Referring to Fig. 1, evaluation concrete curing of the present utility model rear surface strength test 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, make cutting abrasive body 6 act on the power increase on test specimen by hang counterweight on counterweight hook 14.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 utility model is made up 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, in the time that the wearing and tearing of steel nail quality are 0.5g, should be by reversing of position inside and outside same group of steel nail, regrind while damaging 0.5g, should eliminate.Refer to Fig. 2, the vertical view of cutting abrasive body.
Motor 12 of the present utility model provides power for horizontal rotating disc 4 and vertical major 7, and wherein a kind of scheme of electric-motor drive is as follows:
As shown in Figure 1: the speed reduction unit 2 that motor-driven mechanism comprises motor 12 and is connected with the output shaft of motor 12, the output shaft of described speed reduction unit 2 is passed to horizontal rotating disc 4 by oil groove 3 by power; Described speed reduction unit 2 also passes through oil groove 3 transferring power to transmission shaft 8, and described transmission shaft 8 is by extremely described vertical major 7 of gear set transferring power.The oil groove 3 that the utility model is mentioned 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.
Motor 12 drives vertical major 7 to do relative gyration with horizontal rotating disc 4 by speed reduction unit 2, in vertical major 7, cutting abrasive body 6 revolves round the sun around vertical major 7, horizontal rotating disc 4 is borrowed again the effect autobiography of friction force, two kinds of effects produce an annular trace with the degree of depth, and the dust under mill is siphoned away by suction cleaner 13 validity that has guaranteed whole process at any time.
Another kind of transmission scheme of the present utility model is: on motor 12 output terminals, drive respectively horizontal rotating disc and main shaft to rotate by two driving-chains.In most preferred embodiment of the present utility model, vertical major 7 is 35:1 with the ratio of gear of horizontal rotating disc 4.
Control of the present utility model 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 utility model act on pressure head on test specimen load by vertical major 7(containing bistrique) weight and the stack of counterweight weight form.In the time that pressure head load is 200N, be main shaft weight, when pressure head load is 300N, by that analogy.
Based on above-described evaluation concrete curing rear surface strength test device, its concrete surface strength detection method is:
1) concrete sample is polished flat in advance, by stand-by dry the test specimen after polishing processing;
2) plug in, treat that normal relay indicating light 16 is bright, represent that this evaluation concrete curing rear surface strength test 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 between concrete sample and horizontal rotating disc 4, not remaining particle in order to avoid affect contacting of test specimen and cutting abrasive body 6), add the counterweight of 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
Figure BDA0000439189930000061
complete experiment;
5) data analysis.
Utilize this evaluation concrete curing rear surface strength test 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 (6)

1. evaluate concrete curing rear surface strength test device for one kind, 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. evaluation concrete curing according to claim 1 rear surface strength test device, is characterized in that, described vertical major (7) is 35:1 with the ratio of gear of horizontal rotating disc (4).
3. evaluation concrete curing according to claim 1 rear surface strength test device, it is characterized in that, the speed reduction unit (2) that described motor-driven mechanism comprises motor (12) and is connected with the output shaft of motor (12), the output shaft of described speed reduction unit (2) is passed to horizontal rotating disc (4) by oil groove (3) by power; Described speed reduction unit (2) also passes through oil groove (3) transferring power to transmission shaft (8), and described transmission shaft (8) is by extremely described vertical major (7) of gear set transferring power.
4. evaluation concrete curing according to claim 1 rear surface strength test 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. evaluation concrete curing according to claim 1 rear surface strength test 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. evaluation concrete curing according to claim 1 rear surface strength test 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.
CN201320833764.XU 2013-12-16 2013-12-16 Testing apparatus for evaluating surface strength after concrete curing Expired - Fee Related CN203616221U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320833764.XU CN203616221U (en) 2013-12-16 2013-12-16 Testing apparatus for evaluating surface strength after concrete curing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320833764.XU CN203616221U (en) 2013-12-16 2013-12-16 Testing apparatus for evaluating surface strength after concrete curing

Publications (1)

Publication Number Publication Date
CN203616221U true CN203616221U (en) 2014-05-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674749A (en) * 2013-12-16 2014-03-26 长安大学 Cured concrete surface strength test device and test method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674749A (en) * 2013-12-16 2014-03-26 长安大学 Cured concrete surface strength test device and test method thereof
CN103674749B (en) * 2013-12-16 2016-08-17 长安大学 Concrete curing rear surface strength testing device and test method thereof

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140528

Termination date: 20161216