CN204613060U - Concrete rheological tester - Google Patents
Concrete rheological tester Download PDFInfo
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- CN204613060U CN204613060U CN201520323443.4U CN201520323443U CN204613060U CN 204613060 U CN204613060 U CN 204613060U CN 201520323443 U CN201520323443 U CN 201520323443U CN 204613060 U CN204613060 U CN 204613060U
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Abstract
The utility model discloses a kind of concrete rheological tester, comprise base, described base is provided with mount pad, the top of described mount pad is provided with rotatable platform, being provided with the electric rotating machine for driving described rotatable platform to rotate in described mount pad, described rotatable platform being installed with for holding the concrete and the concrete container of upper end open that newly mix; The top of described concrete container is also provided with rheometer test mechanism; Described rheometer test mechanism comprises the two vertical columns be fixedly mounted on described base, horizontal gird is provided with between two described vertical columns, described horizontal gird is provided with and stretches into the vertical bar in described concrete container and the torque sensor for measuring moment of torsion straight down, the lower end of described vertical bar is provided with resistance piece, and the vertical position governor motion described vertical column is also provided with for regulating described horizontal gird vertical position, described horizontal gird is provided with the horizontal level governor motion of the horizontal level for regulating described vertical bar.
Description
Technical field
The utility model relates to a kind of device for testing fresh concrete rheological property, and concrete is a kind of concrete rheological tester.
Background technology
Rheology appears at the twenties in 20th century.Scholars are at research rubber, plastics, paint, glass, concrete, and the industrial materials such as metal; The geological materials such as rock, soil, oil, mineral; And in the character process of the biomaterial such as blood, muscle skeleton, find to use classic theory of elasticity, the theory of plasticity and Newtonian fluid theory can not illustrate that the change of these materials and time exist the complex characteristics of the time effect be closely connected, so just create rheol thought.
For concrete, its rheological property directly determine concrete construction complexity and sclerosis after mechanical property and endurance quality.Along with widely using of the fast development of commerical ready-mixed concrete, particularly high efficiency water reducing agent, rheological property of concrete is widely different, only accurately can not reflect the rheological of fresh concrete according to the slump of slump cone test, divergence and rewinding time.
In order to accurate test calibration rheological property of concrete, except traditional slump cone method of testing, need these parameters of comprehensive yield stress, plastic viscosity and homogeneity, characterize rheological property of concrete.The device that Present Domestic tests concrete plastic viscosity outward mainly contains turning circle cartridge type viscosity meter, the devices such as blade viscosity apparatus, it only detects yield stress, plastic viscosity, and have ignored the even concrete not good to property to yield stress and plastic viscosity and test the deviation caused, concrete viscometer also also exists expensive at present simultaneously, operation inconvenience, the problem that test result discreteness is large.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of concrete rheological tester, even if under the poor condition of concrete uniformity, and also can its rheological property of comprehensive characterization.
For achieving the above object, the utility model provides following technical scheme:
A kind of concrete rheological tester, comprise base, described base is provided with mount pad, the top of described mount pad is provided with rotatable platform, being provided with the electric rotating machine for driving described rotatable platform to rotate in described mount pad, described rotatable platform being installed with for holding the concrete and the concrete container of upper end open that newly mix; The top of described concrete container is also provided with rheometer test mechanism;
Described rheometer test mechanism comprises the two vertical columns be fixedly mounted on described base, horizontal gird is provided with between two described vertical columns, described horizontal gird is provided with and stretches into the vertical bar in described concrete container and the torque sensor for measuring moment of torsion straight down, the lower end of described vertical bar is provided with resistance piece, and the vertical position governor motion described vertical column is also provided with for regulating described horizontal gird vertical position, described horizontal gird is provided with the horizontal level governor motion of the horizontal level for regulating described vertical bar.
Further, described vertical position governor motion comprises the vertical slide be slidably matched with described vertical column, described vertical column is provided with for driving described vertical slide along the adjusting cylinders of vertical direction movement, and described horizontal gird is fixedly connected with described vertical slide.
Further, described level(l)ing mechanism comprises axis and to overlap with the axis of rotation of described rotatable platform vertical vertical shaft, described vertical bar and described horizontal gird sliding connection, described vertical vertical shaft is provided with the contrary external thread of two sections of rotation directions, two sections of described external threads are set with and are provided with and its threaded engagement thread bush, adopt two hinge bar to be connected between described thread bush with described vertical bar respectively, described horizontal gird is provided with the stepper motor for driving described vertical vertical shaft rotating.
Further, the axis of described water balance beam and the intersect vertical axis of described vertical vertical shaft, described torque sensor to be sleeved on described vertical vertical shaft and to be fixedly mounted on described water balance beam.
Further, described vertical burr shape is uniform is set at least one.
Further, described rotatable platform is provided with the fixed installation sector for fixedly mounting described concrete container.
Further, described fixed installation sector comprise be fixedly installed on described rotatable platform and internal diameter be greater than the external diameter of described concrete container annular retaining wall and for be sleeved on described concrete container and outer peripheral face is the fastening tenon part of the conical surface, the split of described fastening tenon part is set at least two lobes, on described rotatable platform and fastening tenon part one_to_one corresponding described in each lobe be provided with hold-down mechanism for being pressed abd fixed on by described fastening tenon part between described annular retaining wall and concrete container.
Further, described hold-down mechanism comprises briquetting and is arranged on the hold-down bolt between described briquetting and described rotatable platform.
The beneficial effects of the utility model are:
Concrete rheological tester of the present utility model, the test of rheological property of concrete can not only be met, and by arranging vertical position governor motion and horizontal level governor motion, vertical position and the horizontal level of resistance piece can be regulated easily, namely the test of repeatedly diverse location rheological property can be carried out to concrete, can not only test request be met, even and if under the poor condition of concrete uniformity, also can its rheological property of comprehensive characterization.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the utility model concrete rheological tester embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, be the structural representation of the utility model concrete rheological tester embodiment.The concrete rheological tester of the present embodiment, comprise base 1, base 1 is provided with mount pad 2, the top of mount pad 2 is provided with rotatable platform 3, being provided with the electric rotating machine 4 for driving rotatable platform 3 to rotate in mount pad 2, rotatable platform 3 being installed with for holding the concrete and the concrete container 5 of upper end open that newly mix; The top of concrete container 5 is also provided with rheometer test mechanism.
The rheometer test mechanism of the present embodiment comprises the vertical column 6 of two of being fixedly mounted on base 1, horizontal gird 7 is provided with between two vertical columns 6, horizontal gird 7 is provided with and stretches into the vertical bar 8 in concrete container 5 and the torque sensor 9 for measuring moment of torsion straight down, the lower end of vertical bar 8 is provided with resistance piece 10, and the vertical position governor motion vertical column 6 is also provided with for regulating horizontal gird 7 vertical position, horizontal gird 7 is provided with the horizontal level governor motion of the horizontal level for regulating vertical bar 8.
Further, the vertical position governor motion of the present embodiment comprises the vertical slide 11 be slidably matched with vertical column 6, vertical column 6 is provided with for driving vertical slide 11 along the adjusting cylinders 12 of vertical direction movement, and horizontal gird 7 is fixedly connected with vertical slide 11.The level(l)ing mechanism of the present embodiment comprises axis and to overlap with the axis of rotation of rotatable platform 3 vertical vertical shaft 13, vertical bar 8 and horizontal gird 7 sliding connection, vertical vertical shaft 13 is provided with the contrary external thread of two sections of rotation directions, two sections of external threads are set with and are provided with and its threaded engagement thread bush 14, adopt two hinge bar 15 to be connected between thread bush 14 with vertical bar 8 respectively, horizontal gird 7 is provided with the stepper motor 16 for driving vertical vertical shaft 13 to rotate.Utilize stepper motor 16 to drive vertical vertical shaft 13 to rotate, the spacing between two thread bushs 14 can be regulated, and then drive vertical bar 8 to move along the radial direction of concrete container 5, namely can regulate the horizontal level of resistance piece 10.The axis of the water balance beam 7 of the present embodiment and the intersect vertical axis of vertical vertical shaft 13, torque sensor 9 to be sleeved on vertical vertical shaft 13 and to be fixedly mounted on water balance beam 7.
Preferably, vertical bar 8 annular is uniform is set at least one, and the vertical bar 8 of the present embodiment is set to two, accordingly, two thread bushs 14 be equipped with two hinge bar 15 between the vertical bar 8 of each root and be connected.
Further, rotatable platform 3 is provided with the fixed installation sector for fixedly mounting concrete container 5.The fixed installation sector of the present embodiment comprise be fixedly installed on rotatable platform 3 and internal diameter be greater than the external diameter of concrete container 5 annular retaining wall 17 and for be sleeved on concrete container 5 and outer peripheral face is the fastening tenon part 18 of the conical surface, the split of fastening tenon part 18 is set at least two lobes, on rotatable platform 3 and each lobe fastening tenon part 18 one_to_one corresponding be provided with hold-down mechanism for being pressed abd fixed on by fastening tenon part 18 between annular retaining wall 17 and concrete container 5.Fastening tenon part 18 split of the present embodiment is set to 4 lobes, and hold-down mechanism comprises briquetting 19 and is arranged on the hold-down bolt 20 between briquetting 19 and rotatable platform.Adopt the fixed installation sector of this structure, requirement is fixed in the installation that can not only meet concrete container 5, and can guarantee that the axis of concrete container 5 is coaxial with the rotation of revolving dial 3.
The concrete rheological tester of the present embodiment, the test of rheological property of concrete can not only be met, and by arranging vertical position governor motion and horizontal level governor motion, vertical position and the horizontal level of resistance piece 10 can be regulated easily, namely the test of repeatedly diverse location rheological property can be carried out to concrete, can not only test request be met, even and if under the poor condition of concrete uniformity, also can its rheological property of comprehensive characterization.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (8)
1. a concrete rheological tester, it is characterized in that: comprise base, described base is provided with mount pad, the top of described mount pad is provided with rotatable platform, being provided with the electric rotating machine for driving described rotatable platform to rotate in described mount pad, described rotatable platform being installed with for holding the concrete and the concrete container of upper end open that newly mix; The top of described concrete container is also provided with rheometer test mechanism;
Described rheometer test mechanism comprises the two vertical columns be fixedly mounted on described base, horizontal gird is provided with between two described vertical columns, described horizontal gird is provided with and stretches into the vertical bar in described concrete container and the torque sensor for measuring moment of torsion straight down, the lower end of described vertical bar is provided with resistance piece, and the vertical position governor motion described vertical column is also provided with for regulating described horizontal gird vertical position, described horizontal gird is provided with the horizontal level governor motion of the horizontal level for regulating described vertical bar.
2. concrete rheological tester according to claim 1, it is characterized in that: described vertical position governor motion comprises the vertical slide be slidably matched with described vertical column, described vertical column is provided with for driving described vertical slide along the adjusting cylinders of vertical direction movement, and described horizontal gird is fixedly connected with described vertical slide.
3. concrete rheological tester according to claim 2, it is characterized in that: described level(l)ing mechanism comprises axis and to overlap with the axis of rotation of described rotatable platform vertical vertical shaft, described vertical bar and described horizontal gird sliding connection, described vertical vertical shaft is provided with the contrary external thread of two sections of rotation directions, two sections of described external threads are set with and are provided with and its threaded engagement thread bush, adopt two hinge bar to be connected between described thread bush with described vertical bar respectively, described horizontal gird is provided with the stepper motor for driving described vertical vertical shaft rotating.
4. concrete rheological tester according to claim 3, is characterized in that: the axis of described water balance beam and the intersect vertical axis of described vertical vertical shaft, and described torque sensor to be sleeved on described vertical vertical shaft and to be fixedly mounted on described water balance beam.
5. concrete rheological tester according to claim 1, is characterized in that: described vertical burr shape is uniform is set at least one.
6. the concrete rheological tester according to any one of claim 1-5, is characterized in that: described rotatable platform is provided with the fixed installation sector for fixedly mounting described concrete container.
7. concrete rheological tester according to claim 6, it is characterized in that: described fixed installation sector comprise be fixedly installed on described rotatable platform and internal diameter be greater than the external diameter of described concrete container annular retaining wall and for be sleeved on described concrete container and outer peripheral face is the fastening tenon part of the conical surface, the split of described fastening tenon part is set at least two lobes, on described rotatable platform and fastening tenon part one_to_one corresponding described in each lobe be provided with hold-down mechanism for being pressed abd fixed on by described fastening tenon part between described annular retaining wall and concrete container.
8. concrete rheological tester according to claim 7, is characterized in that: described hold-down mechanism comprises briquetting and is arranged on the hold-down bolt between described briquetting and described rotatable platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323443.4U CN204613060U (en) | 2015-05-19 | 2015-05-19 | Concrete rheological tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323443.4U CN204613060U (en) | 2015-05-19 | 2015-05-19 | Concrete rheological tester |
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| Publication Number | Publication Date |
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| CN204613060U true CN204613060U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520323443.4U Expired - Fee Related CN204613060U (en) | 2015-05-19 | 2015-05-19 | Concrete rheological tester |
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| CN (1) | CN204613060U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973754A (en) * | 2016-07-21 | 2016-09-28 | 湖南三德科技股份有限公司 | Viscidity judging device for sample collection and processing |
| CN108818934A (en) * | 2018-03-15 | 2018-11-16 | 厦门理工学院 | A kind of ultra-high performance concrete blender of measurable flow variable element |
| CN110389085A (en) * | 2018-04-16 | 2019-10-29 | 天津市港源试验仪器厂 | A kind of concrete rheometer |
| CN114199723A (en) * | 2021-12-21 | 2022-03-18 | 哈尔滨工业大学 | Rheological property testing device under vibration action of fresh concrete and using method thereof |
-
2015
- 2015-05-19 CN CN201520323443.4U patent/CN204613060U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973754A (en) * | 2016-07-21 | 2016-09-28 | 湖南三德科技股份有限公司 | Viscidity judging device for sample collection and processing |
| CN105973754B (en) * | 2016-07-21 | 2018-09-07 | 湖南三德科技股份有限公司 | Sticky judgment means for gathering and processing of sample |
| CN108818934A (en) * | 2018-03-15 | 2018-11-16 | 厦门理工学院 | A kind of ultra-high performance concrete blender of measurable flow variable element |
| CN110389085A (en) * | 2018-04-16 | 2019-10-29 | 天津市港源试验仪器厂 | A kind of concrete rheometer |
| CN114199723A (en) * | 2021-12-21 | 2022-03-18 | 哈尔滨工业大学 | Rheological property testing device under vibration action of fresh concrete and using method thereof |
| CN114199723B (en) * | 2021-12-21 | 2023-11-17 | 哈尔滨工业大学 | Rheological property testing device under vibration action of fresh concrete and application method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20160519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |