CN105372158A - Test device and method of cement mortar fluidity - Google Patents
Test device and method of cement mortar fluidity Download PDFInfo
- Publication number
- CN105372158A CN105372158A CN201510848381.3A CN201510848381A CN105372158A CN 105372158 A CN105372158 A CN 105372158A CN 201510848381 A CN201510848381 A CN 201510848381A CN 105372158 A CN105372158 A CN 105372158A
- Authority
- CN
- China
- Prior art keywords
- sand
- cement slurry
- housing
- turbine
- baffle plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
Abstract
The present invention discloses a test device and method of cement mortar fluidity. The device includes a cement mortar sprayer, a housing, a shaft, a turbine, a speed friction control strip, a support, and a height-adjustable baffle. The center of the housing front is provided with a cement mortar inlet; an outlet of the cement mortar sprayer is communicated with the cement mortar inlet; the side of the housing is provided with a plurality of injection orifices; the turbine is located within the housing; the front of the turbine has a projection in conical structure; the projection is right opposite to the cement mortar inlet; one side of the speed friction control strip is fixed to the back of the turbine; one side of the baffle is movably connected to the inner wall of the housing, and the other side of the baffle contacts with the other side of the speed friction control strip; the support is fixed to the inner surface of the housing; and one end of the shaft is movably connected to the support, and the other end of the shaft penetrates through the baffle and the speed friction control strip, and is connected to the turbine. The invention can realize the injection of cement mortar and can measure fluidity of the cement mortar.
Description
Technical field
The invention belongs to field of road, relate to a kind of proving installation and method of sand-cement slurry mobility.
Background technology
There are the problems such as crack, load-bearing capacity is not enough, water barrier peels off in increasing cement concrete pipe culvert at present, and seriously have impact on its usability, its main cause is that the mobility of sand-cement slurry is poor.But these structures are repaired very difficult, the particularly reinforcement patch work of pipe culvert: construction worker is constructing operation inconvenience in the small space of pipe culvert, carry out reinforcing steel net shell reinforce and sand-cement slurry squeegee construct time, work under bad environment, harm is greatly produced to the health of construction worker, a lot of American-European countries attaches great importance to hommization construction at present, but market but lacks such small machine, and method and the device of therefore researching and developing a kind of measurement sand-cement slurry mobility of miniaturization are very important.
Summary of the invention
The object of the invention is to the shortcoming overcoming above-mentioned prior art, provide a kind of proving installation and method of sand-cement slurry mobility, this device can realize the injection of sand-cement slurry, and the method effectively can measure the mobility of sand-cement slurry.
For achieving the above object, the proving installation of sand-cement slurry mobility of the present invention comprises shotcrete machine, housing, axle, turbine, speed friction control sheet, bearing and adjustable for height baffle plate;
The center in housing front offers sand-cement slurry import, the outlet of shotcrete machine is connected with described sand-cement slurry import, the side of housing is provided with some injection orifices, turbine is positioned at housing, the front of turbine is provided with the projection of conical structure, described projection is just to described sand-cement slurry import, the back side of turbine is fixed in one side of speed friction control sheet, one side of baffle plate is flexibly connected with the inwall of housing, the another side of baffle plate contacts with the another side of speed friction control sheet, bearing is fixed on the medial surface of housing, one end of axle is movably connected on bearing, the other end of axle is connected with turbine through baffle plate and speed friction control sheet.
The medial surface of housing is provided with the head rod of hollow structure, internal thread is provided with in head rod, the side of baffle plate is provided with the second connecting link of hollow structure, the outer wall of the second connecting link is provided with the external thread matched with described internal thread, bearing is positioned at described head rod, one end of axle is movably connected on described bearing, and the other end of axle is connected with turbine through described head rod, the second connecting link, baffle plate and speed friction control sheet successively.
Described housing is cylindrical structural.
Each injection orifice is uniformly distributed in the side of housing.
The outlet of shotcrete machine is connected by sand-cement slurry import straight tube with described sand-cement slurry import.
Axle is placed on head rod, the second connecting link, baffle plate and speed friction control sheet.
The method of testing of sand-cement slurry mobility of the present invention comprises the following steps:
1) be that the sand-cement slurry of 70mm is loaded in shotcrete machine by degree of sinking to;
2) shotcrete machine is opened, sand-cement slurry in shotcrete machine is ejected in described projection, and by between the blade that enters into turbine after described convex barrier uniformly, and impulse turbine is rotated, sand-cement slurry ejects from each injection orifice of housing along with after turbine rotation;
3) the jet length L that degree of sinking to is the sand-cement slurry of 70mm is measured
1and unit interval emitted dose m
1;
4) be that the sand-cement slurry of 90mm is encased in shotcrete machine by degree of sinking to, repeat step 2), must degree of sinking to be the jet length L of the sand-cement slurry of 90mm
2and unit interval emitted dose m
2;
5) sand-cement slurry sample to be tested is encased in shotcrete machine, repeats step 2), obtain the jet length L of sand-cement slurry sample to be tested
3and unit interval emitted dose m
3;
6) basis degree of sinking to is the jet length L of the sand-cement slurry of 70mm
1and unit interval emitted dose m
1, degree of sinking to is the jet length L of the sand-cement slurry of 90mm
2and unit interval emitted dose m
2and the jet length L of sand-cement slurry sample to be tested
3and unit interval emitted dose m
3contrast to obtain the flowing property of sand-cement slurry sample to be measured.
The present invention has following beneficial effect:
The proving installation of sand-cement slurry mobility of the present invention is when concrete operations, sand-cement slurry strikes in conical projection after shotcrete machine ejects, and between each blade being distributed to turbine by described projection uniformly, and promote turbine rotation, the turbine rotated is again for sand-cement slurry provides the effect of the centrifugal force sprayed laterally, the centrifugal force that sand-cement slurry provides at turbine and self injection orifice along housing side under the acting in conjunction of turbine limit tangential motion eject, thus realize the injection of sand-cement slurry, structure is simple, reasonable in design.The method of testing of sand-cement slurry mobility of the present invention again concrete operations time, construction cement mortar and sand-cement slurry sample is only needed to divide other to be loaded in shotcrete machine, and be ejected in the turbine in housing by shotcrete machine, and spray from each injection orifice of housing side, be analyzed by the jet length and unit interval emitted dose that contrast construction cement mortar and sand-cement slurry sample, the mobility of sand-cement slurry sample can be obtained, simple to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of turbine 1 in the present invention;
Fig. 3 is the side view of turbine 1 in the present invention.
Wherein, 1 be turbine, 2 for protruding, 3 be blade, 4 be speed friction control sheet, 5 be housing, 6 be injection orifice, 7 be sand-cement slurry import straight tube, 8 be head rod.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
With reference to figure 1, the proving installation of sand-cement slurry mobility of the present invention comprises shotcrete machine, housing 5, axle, turbine 1, speed friction control sheet 4, bearing and adjustable for height baffle plate, the center in housing 5 front offers sand-cement slurry import, the outlet of shotcrete machine is connected with described sand-cement slurry import, the side of housing 5 is provided with some injection orifices 6, turbine 1 is positioned at housing 5, the front of turbine 1 is provided with the projection 2 of conical structure, described protruding 2 just to described sand-cement slurry import, the back side of turbine 1 is fixed in one side of speed friction control sheet 4, one side of baffle plate is flexibly connected with the inwall of housing 5, the another side of baffle plate contacts with the another side of speed friction control sheet 4, bearing is fixed on the medial surface of housing 5, one end of axle is movably connected on bearing, the other end of axle is connected with turbine 1 through baffle plate and speed friction control sheet 4.
It should be noted that, the medial surface of housing 5 is provided with the head rod 8 of hollow structure, internal thread is provided with in head rod 8, the side of baffle plate is provided with the second connecting link of hollow structure, the outer wall of the second connecting link is provided with the external thread matched with described internal thread, bearing is positioned at described head rod 8, one end of axle is movably connected on described bearing, and the other end of axle is connected with turbine 1 through described head rod 8, second connecting link, baffle plate and speed friction control sheet 4 successively; Described housing 5 is cylindrical structural; Each injection orifice 6 is uniformly distributed in the side of housing 5; The outlet of shotcrete machine is connected by sand-cement slurry import straight tube 7 with described sand-cement slurry import; Axle is placed on head rod 8, second connecting link, baffle plate and speed friction control sheet 4.
When turbine 1 rotates, speed friction control sheet 4 and the mutual friction of baffle plate phase, when recoil moment and the moment of friction of sand-cement slurry balance, turbine 1 starts the rotation that remains a constant speed, thus realizes the even circumferential injection of grout.When needing the rotational speed changing shower nozzle, only need to control the position between regulating fender and speed friction control sheet 4, thus change its contact force between the two, and then change the rotating speed of turbine 1, realize speed change to spray, wherein, the vertical movement of baffle plate is realized by the rotation of head rod 8 and the second connecting link, and then the tightness controlled between baffle plate and speed friction control sheet 4, realize changing the effect of its contact force between the two.
This apparatus structure is simple, convenient operation, can realize speed change and spray, can realize 360 ° of injections, improve the efficiency of construction for narrow and small closed space by the position between controllable register and speed friction control sheet 4.Because its jet velocity can realize Long-distance Control, make the staff be in rugged surroundings break away from dust pollution, be conducive to the healthy of staff.
The method of testing of sand-cement slurry mobility of the present invention comprises the following steps:
1) be that the sand-cement slurry of 70mm is loaded in shotcrete machine by degree of sinking to;
2) shotcrete machine is opened, sand-cement slurry in shotcrete machine is ejected on described protruding 2, and between the blade 3 entering into turbine 1 uniformly after stopping by described protruding 2, and impulse turbine 1 is rotated, sand-cement slurry ejects from each injection orifice 6 of housing 5 along with after turbine 1 rotation;
3) the jet length L that degree of sinking to is the sand-cement slurry of 70mm is measured
1and unit interval emitted dose m
1;
4) be that the sand-cement slurry of 90mm is encased in shotcrete machine by degree of sinking to, repeat step 2), must degree of sinking to be the jet length L of the sand-cement slurry of 90mm
2and unit interval emitted dose m
2;
5) sand-cement slurry sample to be tested is encased in shotcrete machine, repeats step 2), obtain the jet length L of sand-cement slurry sample to be tested
3and unit interval emitted dose m
3;
6) basis degree of sinking to is the jet length L of the sand-cement slurry of 70mm
1and unit interval emitted dose m
1, degree of sinking to is the jet length L of the sand-cement slurry of 90mm
2and unit interval emitted dose m
2and the jet length L of sand-cement slurry sample to be tested
3and unit interval emitted dose m
3contrast to obtain the flowing property of sand-cement slurry sample to be measured.
Work as m
3>m
2, the mobility of sand-cement slurry sample to be measured is greater than Modular building mortar mobility;
Work as m
3<m
1, the mobility of sand-cement slurry sample to be measured is less than Modular building mortar mobility;
Work as m
1<m
3<m
2, the mobility of sand-cement slurry sample to be measured is between Modular building mortar mobility.
Claims (7)
1. a proving installation for sand-cement slurry mobility, is characterized in that, comprises shotcrete machine, housing (5), axle, turbine (1), speed friction control sheet (4), bearing and adjustable for height baffle plate;
The center in housing (5) front offers sand-cement slurry import, the outlet of shotcrete machine is connected with described sand-cement slurry import, the side of housing (5) is provided with some injection orifices (6), turbine (1) is positioned at housing (5), the front of turbine (1) is provided with the projection (2) of conical structure, described projection (2) is just to described sand-cement slurry import, the back side of turbine (1) is fixed in one side of speed friction control sheet (4), one side of baffle plate is flexibly connected with the inwall of housing (5), the another side of baffle plate contacts with the another side of speed friction control sheet (4), bearing is fixed on the medial surface of housing (5), one end of axle is movably connected on bearing, the other end of axle is connected with turbine (1) through baffle plate and speed friction control sheet (4).
2. the proving installation of sand-cement slurry mobility according to claim 1, it is characterized in that, the medial surface of housing (5) is provided with the head rod (8) of hollow structure, head rod is provided with internal thread in (8), the side of baffle plate is provided with the second connecting link of hollow structure, the outer wall of the second connecting link is provided with the external thread matched with described internal thread, bearing is positioned at described head rod (8), one end of axle is movably connected on described bearing, the other end of axle is successively through described head rod (8), second connecting link, baffle plate and speed friction control sheet (4) are connected with turbine (1).
3. the proving installation of sand-cement slurry mobility according to claim 1, is characterized in that, described housing (5) is cylindrical structural.
4. the proving installation of sand-cement slurry mobility according to claim 1, is characterized in that, each injection orifice (6) is uniformly distributed in the side of housing (5).
5. the proving installation of sand-cement slurry mobility according to claim 1, is characterized in that, the outlet of shotcrete machine is connected by sand-cement slurry import straight tube (7) with described sand-cement slurry import.
6. the proving installation of sand-cement slurry mobility according to claim 1, is characterized in that, axle is placed on head rod (8), the second connecting link, baffle plate and speed friction control sheet (4).
7. a method of testing for sand-cement slurry mobility, is characterized in that, based on backpulsing sand-cement slurry ejecting device according to claim 1, comprises the following steps:
1) be that the sand-cement slurry of 70mm is loaded in shotcrete machine by degree of sinking to;
2) shotcrete machine is opened, sand-cement slurry in shotcrete machine is ejected in described projection (2), and between the blade (3) entering into turbine (1) uniformly after being stopped by described projection (2), and impulse turbine (1) is rotated, sand-cement slurry ejects from each injection orifice (6) of housing (5) along with after turbine (1) rotation;
3) the jet length L that degree of sinking to is the sand-cement slurry of 70mm is measured
1and unit interval emitted dose m
1;
4) be that the sand-cement slurry of 90mm is encased in shotcrete machine by degree of sinking to, repeat step 2), must degree of sinking to be the jet length L of the sand-cement slurry of 90mm
2and unit interval emitted dose m
2;
5) sand-cement slurry sample to be tested is encased in shotcrete machine, repeats step 2), obtain the jet length L of sand-cement slurry sample to be tested
3and unit interval emitted dose m
3;
6) basis degree of sinking to is the jet length L of the sand-cement slurry of 70mm
1and unit interval emitted dose m
1, degree of sinking to is the jet length L of the sand-cement slurry of 90mm
2and unit interval emitted dose m
2and the jet length L of sand-cement slurry sample to be tested
3and unit interval emitted dose m
3contrast to obtain the flowing property of sand-cement slurry sample to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510848381.3A CN105372158B (en) | 2015-11-27 | 2015-11-27 | A kind of test device and method of cement mortar mobility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510848381.3A CN105372158B (en) | 2015-11-27 | 2015-11-27 | A kind of test device and method of cement mortar mobility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105372158A true CN105372158A (en) | 2016-03-02 |
| CN105372158B CN105372158B (en) | 2018-06-01 |
Family
ID=55374554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510848381.3A Expired - Fee Related CN105372158B (en) | 2015-11-27 | 2015-11-27 | A kind of test device and method of cement mortar mobility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105372158B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402679A (en) * | 2020-04-16 | 2020-07-10 | 张凯伦 | Automobile lubricating oil viscosity contrast device for teaching |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314859Y (en) * | 1997-10-29 | 1999-04-21 | 顺德市银龙五金制品厂 | Pulse device for nozzle |
| US20050005592A1 (en) * | 2003-07-07 | 2005-01-13 | Fielder William Sheridan | Hollow turbine |
| CN1645096A (en) * | 2005-01-18 | 2005-07-27 | 武汉理工大学 | Tester and testing method for high-sensitivity cement thick liquid flowability |
| CN101806221A (en) * | 2010-03-30 | 2010-08-18 | 上海鸿得利重工股份有限公司 | Brush-type spraying device for concrete sprayers |
| CN201762970U (en) * | 2010-08-17 | 2011-03-16 | 歌山建设集团有限公司 | Dry mortar ejector |
| CN202169222U (en) * | 2011-07-07 | 2012-03-21 | 牛智勇 | Whitewashing device of wall thermal-insulation decorative plate |
| CN202860740U (en) * | 2012-11-12 | 2013-04-10 | 祝珍海 | Driver vigilance instrument water spraying device |
| CN204724346U (en) * | 2015-06-12 | 2015-10-28 | 黄冈职业技术学院 | Flush coater shower nozzle |
| CN205146489U (en) * | 2015-11-27 | 2016-04-13 | 长安大学 | Backflushing type cement mortar shower nozzle device |
-
2015
- 2015-11-27 CN CN201510848381.3A patent/CN105372158B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314859Y (en) * | 1997-10-29 | 1999-04-21 | 顺德市银龙五金制品厂 | Pulse device for nozzle |
| US20050005592A1 (en) * | 2003-07-07 | 2005-01-13 | Fielder William Sheridan | Hollow turbine |
| CN1645096A (en) * | 2005-01-18 | 2005-07-27 | 武汉理工大学 | Tester and testing method for high-sensitivity cement thick liquid flowability |
| CN101806221A (en) * | 2010-03-30 | 2010-08-18 | 上海鸿得利重工股份有限公司 | Brush-type spraying device for concrete sprayers |
| CN201762970U (en) * | 2010-08-17 | 2011-03-16 | 歌山建设集团有限公司 | Dry mortar ejector |
| CN202169222U (en) * | 2011-07-07 | 2012-03-21 | 牛智勇 | Whitewashing device of wall thermal-insulation decorative plate |
| CN202860740U (en) * | 2012-11-12 | 2013-04-10 | 祝珍海 | Driver vigilance instrument water spraying device |
| CN204724346U (en) * | 2015-06-12 | 2015-10-28 | 黄冈职业技术学院 | Flush coater shower nozzle |
| CN205146489U (en) * | 2015-11-27 | 2016-04-13 | 长安大学 | Backflushing type cement mortar shower nozzle device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402679A (en) * | 2020-04-16 | 2020-07-10 | 张凯伦 | Automobile lubricating oil viscosity contrast device for teaching |
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| Publication number | Publication date |
|---|---|
| CN105372158B (en) | 2018-06-01 |
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Granted publication date: 20180601 Termination date: 20181127 |