CN203465264U - Testing device for mixing property of roller compacted concrete mixture - Google Patents
Testing device for mixing property of roller compacted concrete mixture Download PDFInfo
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- CN203465264U CN203465264U CN201320584116.5U CN201320584116U CN203465264U CN 203465264 U CN203465264 U CN 203465264U CN 201320584116 U CN201320584116 U CN 201320584116U CN 203465264 U CN203465264 U CN 203465264U
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- mixing
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- roller compacted
- compacted concrete
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- 239000000203 mixture Substances 0.000 title claims abstract description 27
- 239000011382 roller-compacted concrete Substances 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 88
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims description 38
- 238000009434 installation Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 14
- 239000004567 concrete Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 7
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a testing arrangement of roller compacted concrete mixture mixing nature, including stirring subassembly and test assembly, test assembly includes torque sensor and computer, torque sensor sets up the real-time torque information that detects the transmission main shaft on the transmission main shaft of stirring subassembly and transmits for the computer. The utility model discloses a testing arrangement of roller compacted concrete mixture mixing nature has simple structure, convenient operation, the accurate and stirred advantage of test.
Description
Technical field
The utility model relates to concrete, refers in particular to a kind of proving installation of mixing and stirring property of roller compacted concrete compound.
Background technology
The workability of cement concrete refers to that newly mixing cement concrete is easy to each operation constructing operation (stirring, transportation, pouring, tamping etc.) and can obtains the performance that quality is even, moulding is closely knit.Workability is a comprehensive technological property, and it and construction technology are closely related, generally includes the implication of three aspects such as mobility, water-retaining property and cohesiveness.Mobility refers to that fresh concrete, under deadweight or mechanical effect of vibrating, can produce and flow, and evenly fill up densely the performance of template.Cohesiveness refers between the composition material of fresh concrete certain cohesive strength, in work progress, and the performance of unlikely generation layering and segregation phenomenon.Water-retaining property refers at fresh concrete to have certain water holding capacity, in work progress, and the performance of the serious excreting water phenomenon of unlikely generation.
The workability of fresh concrete is an aggregate concept, is difficult to carry out appropriate expression comprehensively with a kind of simple assessment method.Conventionally, adopt the slump and slump development method and Wei Bo denseness method to measure the mobility of mixing concrete thing, to estimate and experience evaluation adhesive aggregation degree and water conservation degree.Owing to connecting each other between concrete mobility, cohesiveness and water-retaining property three, influence factor is more, and method of testing is rough, by rule of thumb and range estimation cannot accurately test properties, the workability index therefore testing out can not characterize the whether easily uniform mixing of compound of cement concrete.
For guaranteeing compound uniform mixing and mixing quality, when selecting the match ratio of compound, need to understand the mixing and stirring property of the compound of different gradation.Roller compacted concrete is a kind of compound of ultra-dry stiff, and it mixes and stirs comparatively difficulty, for common cement concrete, needs larger power of agitator and longer mixing time.When adopting continous way to mix and stir production roller compacted concrete, because the mixing time is short, need to know its mixing and stirring property, to control its mixing time and power of agitator.
Utility model content
The technical matters existing for prior art, the utility model provide a kind of simple in structure, easy to operate, test accurately, the proving installation of the mixing and stirring property of roller compacted concrete compound that stirs.
For solving the problems of the technologies described above, the technical scheme the utility model proposes is:
A kind of proving installation of mixing and stirring property of roller compacted concrete compound, comprise mixing component and test suite, described test suite comprises torque sensor and computing machine, and described torque sensor is arranged on the transmission main shaft of mixing component and detects the real-time torque information of transmission main shaft and pass to computing machine.
Described torque sensor is wireless torque sensor.
Described mixing component comprises the shaft of agitated kettle and horizontally set, described in mix and stir a pot upper opening, shaft one end is connected with the transmission main shaft of mixing component, the other end is located at and is mixed and stirred in pot, is provided with many groups and mixes and stirs vane group on described shaft.
The described vane group of mixing and stirring comprises two blades, and described two Leaf positional distributions are in the both sides of shaft, and is connected on shaft by connecting rod.
Described many groups are mixed and stirred vane group distribution in the shape of a spiral on shaft.
Described blade is steel blade.
Compared with prior art, the utility model has the advantage of:
Proving installation of the present utility model by torque sensor detect roller compacted concrete compound from start to mix and stir uniform mixing whole mix and stir stirring motor process required apply mix and stir moment of torsion and change procedure thereof, by in the process of mixing and stirring mix and stir moment of torsion and change procedure is analyzed, mapping, calculate and mix and stir merit, in order to characterize the mixing and stirring property of concrete mixture, thereby when the compound that carries out different gradation mixes and stirs, according to its mixing and stirring property, control its mixing time and power of agitator, to guarantee its compound uniform mixing and quality.Many groups of mixing component of the present utility model are mixed and stirred vane group Spiral distribution on shaft, and every group of two blades that mix and stir in vane group are symmetrical arranged, guarantee when compound stirs in agitated kettle to circulate fully, guarantee the homogeneity of compound, improve stirring efficiency.Proving installation of the present utility model can be tested the mixing and stirring property of the compound of different gradation, and simple in structure, easy to operate, test accurately.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is plan structure schematic diagram of the present utility model.
Fig. 3 is side-looking structural representation of the present utility model.
Number in the figure explanation: 1, mix and stir pot; 2, angle bar frame; 3, handle; 4, steel blade; 5, kayser drive link; 6, wireless torque sensor; 7, stirring motor; 8, electric case; 9, electric machine controller; 10, base; 11, computing machine; 12, shaft.
Embodiment
Fig. 1 to Fig. 3 shows the embodiment of the proving installation of mixing and stirring property of roller compacted concrete compound of the present utility model, this proving installation comprises mixing component and test suite, test suite comprises torque sensor and computing machine 11, and torque sensor is arranged on the transmission main shaft of mixing component and detects the real-time torque information of transmission main shaft and pass to computing machine 11.Proving installation of the present utility model by torque sensor detect roller compacted concrete compound from start to mix and stir uniform mixing whole mix and stir stirring motor 7 process required apply mix and stir moment of torsion and change procedure thereof, computing machine 11 by the process of mixing and stirring mix and stir moment of torsion and change procedure is analyzed, mapping, calculate and mix and stir merit, in order to characterize the mixing and stirring property of concrete mixture, thereby when the compound that carries out different gradation mixes and stirs, according to its mixing and stirring property, control its mixing time and power of agitator, to guarantee its compound uniform mixing and quality.Proving installation of the present utility model can test out the mixing and stirring property of the compound of different gradation accurately, and simple in structure, easy to operate, test accurately.
In the present embodiment, torque sensor is wireless torque sensor 6, and the mode by wireless transmission passes to computing machine 11 by real-time torque information.
In the present embodiment, mixing component comprises the shaft 12 and the handle 3 that mix and stir pot 1, horizontally set that holds compound, mixes and stirs pot 1 and is arranged on angle bar frame 2, and angle bar frame 2 is arranged on base 10, mixes and stirs pot 1 upper opening.Shaft 12 one end are connected with the transmission main shaft of mixing component, and the other end is located at and is mixed and stirred in pot 1, is provided with many groups and mixes and stirs vane group on shaft 12, and transmission main shaft is connected with stirring motor 7, is provided with the electric machine controller 9 of controlling stirring motor 7 in electric case 8.
In the present embodiment, many groups are mixed and stirred vane group and distribute in the shape of a spiral on shaft 12, and every group is mixed and stirred vane group and comprise two blades, and blade is the both sides that 4, two steel blades 4 of steel blade are symmetrically distributed in shaft 12, and is connected on shaft 12 by connecting rod.Mix and stir the spiral setting of vane group on shaft 12, be conducive to guarantee that compound stirs.
In order accurately to measure the mixing and stirring property of the compound of different gradation, the utility model proposes a kind of new mixing and stirring property of roller compacted concrete evaluation index: mix and stir merit.
By mixing and stirring discovery, compound mixes and stirs in process, and the stirring motor 7 of initial time is required mixes and stirs moment of torsion maximum, then progressively reduces, until tend towards stability.Compound by contrast different gradation mix and stir torque curve, adopt the concept of mixing and stirring merit can distinguish preferably the mixing and stirring property of different compounds.Mix and stir merit and be defined as from starting to mix and stir until mix and stir whole the mixing and stirring process that moment of torsion M is stable and mix and stir moment of torsion M institute work, mixing and stirring on moment of torsion-time curve, from initial time (t=0) to mixing and stirring just stable (t=t constantly of moment of torsion M
0) mix and stir the area surrounding between torque curve and time shaft, computing formula is:
The step of mixing and stirring merit W of applying this proving installation mensuration roller compacted concrete compound is as follows:
1,, by the grating of drafting, take the roller compacted concrete compound of 90kg;
2, roller compacted concrete compound is put into and mixed and stirred pot 1;
3, by wireless torque sensor 6 zero clearings;
4, open the power switch of this proving installation, start to stir, wireless torque sensor 6 starts to measure and mixes and stirs moment of torsion M in whipping process, and preserves;
5, when what detect, mix and stir moment of torsion M when substantially unchanged, think and complete the uniform mixing of roller compacted concrete compound and mix and stir;
That 6, wireless torque sensor 6 is recorded and preserved mixes and stirs moment of torsion M information data transmission to computing machine 11, and computing machine 11 is mapped, analyzed, and calculates and mixes and stirs merit W.
By above, to mixing and stirring the calculating of merit W, can distinguish preferably the mixing and stirring property of the compound of different gradation, thereby control accurately mixing time and the power of agitator of different gradation compound.
Although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model.Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible changes and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (6)
1. the proving installation of a mixing and stirring property of roller compacted concrete compound, it is characterized in that: comprise mixing component and test suite, described test suite comprises torque sensor and computing machine (11), and described torque sensor is arranged on the transmission main shaft of mixing component and detects the real-time torque information of transmission main shaft and pass to computing machine (11).
2. the proving installation of mixing and stirring property of roller compacted concrete compound according to claim 1, is characterized in that: described torque sensor is wireless torque sensor (6).
3. the proving installation of mixing and stirring property of roller compacted concrete compound according to claim 1 and 2, it is characterized in that: described mixing component comprises the shaft (12) that mixes and stirs pot (1) and horizontally set, described pot (1) upper opening that mixes and stirs, shaft (12) one end is connected with the transmission main shaft of mixing component, the other end is located at and is mixed and stirred in pot (1), is provided with many groups and mixes and stirs vane group on described shaft (12).
4. the proving installation of mixing and stirring property of roller compacted concrete compound according to claim 3, it is characterized in that: described in mix and stir vane group and comprise two blades, described two Leaf positional distributions are in the both sides of shaft (12), and are connected on shaft (12) by connecting rod.
5. the proving installation of mixing and stirring property of roller compacted concrete compound according to claim 4, is characterized in that: described many groups are mixed and stirred vane group distribution in the shape of a spiral on shaft (12).
6. the proving installation of mixing and stirring property of roller compacted concrete compound according to claim 5, is characterized in that: described blade is steel blade (4).
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CN201320584116.5U CN203465264U (en) | 2013-09-22 | 2013-09-22 | Testing device for mixing property of roller compacted concrete mixture |
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CN201320584116.5U CN203465264U (en) | 2013-09-22 | 2013-09-22 | Testing device for mixing property of roller compacted concrete mixture |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111109100A (en) * | 2020-01-14 | 2020-05-08 | 秒针信息技术有限公司 | Material processing device and method |
CN112903526A (en) * | 2021-01-22 | 2021-06-04 | 河南理工大学 | Method for calibrating optimal stirring time of full-tailing paste |
-
2013
- 2013-09-22 CN CN201320584116.5U patent/CN203465264U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111109100A (en) * | 2020-01-14 | 2020-05-08 | 秒针信息技术有限公司 | Material processing device and method |
CN112903526A (en) * | 2021-01-22 | 2021-06-04 | 河南理工大学 | Method for calibrating optimal stirring time of full-tailing paste |
CN112903526B (en) * | 2021-01-22 | 2023-09-29 | 河南理工大学 | Method for calibrating optimal stirring time of full-tailing paste |
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Granted publication date: 20140305 Termination date: 20150922 |
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