CN105372158B - A kind of test device and method of cement mortar mobility - Google Patents
A kind of test device and method of cement mortar mobility Download PDFInfo
- Publication number
- CN105372158B CN105372158B CN201510848381.3A CN201510848381A CN105372158B CN 105372158 B CN105372158 B CN 105372158B CN 201510848381 A CN201510848381 A CN 201510848381A CN 105372158 B CN105372158 B CN 105372158B
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- cement mortar
- housing
- turbine
- baffle
- control piece
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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
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of test device and method of cement mortar mobility, including shotcrete machine, housing, axis, turbine, speed friction control piece, bearing and adjustable for height baffle；The positive center of housing offers cement mortar import, the outlet of shotcrete machine is connected with the cement mortar import, the side of housing is equipped with several jet ports, turbine is located in housing, the front of turbine is equipped with the protrusion of conical structure, cement mortar import described in the protrusion face, the one side of speed friction control piece is fixed on the back side of turbine, the one side of baffle is flexibly connected with the inner wall of housing, the another side of baffle is in contact with the another side of speed friction control piece, bearing is fixed on the medial surface of housing, one end of axis is movably connected on bearing, the other end of axis is connected through baffle and speed friction control piece with turbine.The present invention can realize the injection of cement mortar, and can measure the mobility of cement mortar.
Description
Technical field
The invention belongs to field of road, are related to a kind of test device and method of cement mortar mobility.
Background technology
It is many to there is crack, bearing capacity deficiency, waterproof layer peeling etc. for more and more cement concrete pipe culverts at present
Problem has severely impacted its performance, main reason is that the mobility of cement mortar is poor.However these structures
Repairing get up it is very difficult, particularly pipe culvert reinforcement patch work：Construction worker constructs in the small space of pipe culvert
It is inconvenient, it carries out reinforcing steel net shell reinforcing and cement mortar is squeegeeed when constructing, working environment is severe, to construction worker's
Body generates greatly harm, and many American-European countries attach great importance to hommization construction at present, but as but lacking in the market
Small machine, therefore it is particularly important to research and develop a kind of method and device of the measurement cement mortar mobility of miniaturization.
The content of the invention
The shortcomings that it is an object of the invention to overcome the above-mentioned prior art, provides a kind of test of cement mortar mobility
Device and method, the device can realize the injection of cement mortar, and this method can effectively measure the mobility of cement mortar.
In order to achieve the above objectives, the test device of cement mortar mobility of the present invention is sprayed including cement mortar
Machine, housing, axis, turbine, speed friction control piece, bearing and adjustable for height baffle；
The positive center of housing offers cement mortar import, the outlet of shotcrete machine and the cement bonded sand
Slurry inlet is connected, and the side of housing is equipped with several jet ports, and turbine is located in housing, and the front of turbine is equipped with conical structure
Protrusion, cement mortar import described in the protrusion face, the one side of speed friction control piece is fixed on the back side of turbine, keeps off
The one side of plate is flexibly connected with the inner wall of housing, and the another side of baffle connects with the another side of speed friction control piece
It touches, bearing is fixed on the medial surface of housing, and one end of axis is movably connected on bearing, and the other end of axis passes through baffle and speed
Friction control piece is connected with turbine.
The medial surface of housing is equipped with the head rod of hollow structure, and internal thread is equipped in head rod, baffle
Side is equipped with the second connecting rod of hollow structure, and the outer wall of the second connecting rod is equipped with and the matched outer spiral shell of the internal thread
Line, bearing are located in the head rod, and one end of axis is movably connected on the bearing, and the other end of axis sequentially passes through institute
Head rod, the second connecting rod, baffle and speed friction control piece is stated with turbine to be connected.
The housing is cylindrical structural.
Each jet port is uniformly distributed in the side of housing.
The outlet of shotcrete machine is connected with the cement mortar import by cement mortar import straight tube.
Axis is placed in head rod, the second connecting rod, baffle and speed friction control on piece.
The test method of cement mortar mobility of the present invention comprises the following steps：
1) cement mortar that degree of sinking to is 70mm is loaded in shotcrete machine；
2) shotcrete machine is opened, the cement mortar in shotcrete machine is ejected into the protrusion, and is led to
It crosses after the convex barrier between the blade for uniformly entering turbine, and impulse turbine rotates, cement mortar turns with turbine
It is ejected after dynamic from each jet port of housing；
3) the jet length L for the cement mortar that degree of sinking to is 70mm is measured1And unit interval emitted dose m1；
4) cement mortar that degree of sinking to is 90mm is encased in shotcrete machine, repeats step 2), obtain degree of sinking to
For the jet length L of the cement mortar of 90mm2And unit interval emitted dose m2；
5) cement mortar sample to be tested is encased in shotcrete machine, repeats step 2), obtain cement to be tested
The jet length L of mortar samples3And unit interval emitted dose m3；
6) according to the jet length L for the cement mortar that degree of sinking to is 70mm1And unit interval emitted dose m1, degree of sinking to be
The jet length L of the cement mortar of 90mm2And unit interval emitted dose m2And the jet length L of cement mortar sample to be tested3And
Unit interval emitted dose m3Compare cement mortar sample to be measured mobile performance.
The invention has the advantages that：
The test device of cement mortar mobility of the present invention in concrete operations, through cement mortar spray by cement mortar
The machine of penetrating is struck after ejecting in the protrusion of cone, and is passed through the protrusion and be uniformly distributed between each blade of turbine,
And turbine rotation is promoted, the turbine of rotation provides the effect of the centrifugal force sprayed outward for cement mortar again, and cement mortar exists
The centrifugal force and itself ejected along under the collective effect of turbine side tangential motion along the jet port of housing side that turbine provides,
Simple in structure so as to fulfill the injection of cement mortar, design is reasonable.The test method of cement mortar mobility of the present invention
Again during concrete operations, it is only necessary to it is loaded on what building building cement mortar and cement mortar sample were distinguished into shotcrete machine,
And pass through shotcrete machine and be ejected into the in vivo turbine of shell, and sprayed from each jet port of housing side, by right
Jet length and unit interval emitted dose than building building cement mortar and cement mortar sample compare and analyze, you can obtain water
The mobility of silt particle slurry samples, it is easy to operate.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structure diagram of turbine 1 in the present invention；
Fig. 3 is the side view of turbine 1 in the present invention.
Wherein, 1 it is turbine, 2 be protrusion, 3 be blade, 4 be speed friction control piece, 5 be housing, 6 be jet port, 7 is
Cement mortar import straight tube, 8 are head rod.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, the test device of cement mortar mobility of the present invention include shotcrete machine, housing 5,
Axis, turbine 1, speed friction control piece 4, bearing and adjustable for height baffle；5 positive center of housing offers water
Silt particle slurry inlet, the outlet of shotcrete machine are connected with the cement mortar import, and the side of housing 5 is equipped with several sprays
Loophole 6, turbine 1 are located in housing 5, and the front of turbine 1 is equipped with the protrusion 2 of conical structure, cement described in raised 2 face
Mortar import, the one side of speed friction control piece 4 are fixed on the back side of turbine 1, and the one side of baffle is lived with the inner wall of housing 5
Dynamic connection, the another side of baffle are in contact with the another side of speed friction control piece 4, and bearing is fixed on the inside of housing 5
On face, one end of axis is movably connected on bearing, and the other end of axis is connected through baffle and speed friction control piece 4 with turbine 1
It connects.
It should be noted that the medial surface of housing 5 is equipped with the head rod 8 of hollow structure, set in head rod 8
There is internal thread, the side of baffle is equipped with the second connecting rod of hollow structure, and the outer wall of the second connecting rod is equipped with and the interior spiral shell
The matched external screw thread of line, bearing are located in the head rod 8, and one end of axis is movably connected on the bearing, axis
The other end sequentially passes through the head rod 8, the second connecting rod, baffle and speed friction control piece 4 and is connected with turbine 1；
The housing 5 is cylindrical structural；Each jet port 6 is uniformly distributed in the side of housing 5；The outlet of shotcrete machine and institute
Cement mortar import is stated by cement mortar import straight tube 7 to be connected；Axis is placed in head rod 8, the second connecting rod, baffle
And on speed friction control piece 4.
When turbine 1 rotates, speed friction control piece 4 and baffle phase mutual friction, when the recoil torque of cement mortar
When being balanced with moment of friction, turbine 1 starts the rotation that remains a constant speed, so as to fulfill the uniformly circumferentially injection of cement mortar.When needs change
Become nozzle rotary speed when, it is only necessary to control the position between regulating fender and speed friction control piece 4, so as to change its two
Contact force between person, and then change the rotating speed of turbine 1, realize speed change injection, wherein, the vertically movable of baffle connects by first
The rotation of 8 and second connecting rod of extension bar is realized, and then the tightness between control baffle and speed friction control piece 4, real
Now change the effect of the contact force between both.
The apparatus structure is simple, easy to operation, can be real by the position between controllable register and speed friction control piece 4
Existing speed change injection, can realize 360 ° of injections for the space of narrow and small closing, improve the efficiency of construction.Due to its jet velocity
Remote control can be achieved, the staff in adverse circumstances is made to break away from dust pollution, the body for being conducive to staff is good for
Health.
The test method of cement mortar mobility of the present invention comprises the following steps：
1) cement mortar that degree of sinking to is 70mm is loaded in shotcrete machine；
2) shotcrete machine is opened, the cement mortar in shotcrete machine is ejected on described raised 2, and is led to
Cross described raised 2 stop after uniformly enter the blade 3 of turbine 1 between, and impulse turbine 1 rotates, and cement mortar is with whirlpool
Wheel 1 ejects after rotating from each jet port 6 of housing 5；
3) the jet length L for the cement mortar that degree of sinking to is 70mm is measured1And unit interval emitted dose m1；
4) cement mortar that degree of sinking to is 90mm is encased in shotcrete machine, repeats step 2), obtain degree of sinking to
For the jet length L of the cement mortar of 90mm2And unit interval emitted dose m2；
5) cement mortar sample to be tested is encased in shotcrete machine, repeats step 2), obtain cement to be tested
The jet length L of mortar samples3And unit interval emitted dose m3；
6) according to the jet length L for the cement mortar that degree of sinking to is 70mm1And unit interval emitted dose m1, degree of sinking to be
The jet length L of the cement mortar of 90mm2And unit interval emitted dose m2And the jet length L of cement mortar sample to be tested3And
Unit interval emitted dose m3Compare cement mortar sample to be measured mobile performance.
Work as m3>m2, the mobility of cement mortar sample to be measured is more than Modular building mortar mobility；
Work as m3<m1, the mobility of cement mortar sample to be measured is less than Modular building mortar mobility；
Work as m1<m3<m2, the mobility of cement mortar sample to be measured is between Modular building mortar mobility.
Claims (4)
1. a kind of test device of cement mortar mobility, which is characterized in that including shotcrete machine, housing (5), axis,
Turbine (1), speed friction control piece (4), bearing and adjustable for height baffle；
Housing (5) positive center offers cement mortar import, the outlet of shotcrete machine and the cement bonded sand
Slurry inlet is connected, and the side of housing (5) is equipped with several jet ports (6), and turbine (1) is located in housing (5), and turbine (1) is just
Protrusion (2) of the face equipped with conical structure, cement mortar import described in described protrusion (2) face, speed friction control piece (4)
One side is fixed on the back side of turbine (1), and the one side of baffle is flexibly connected with the inner wall of housing (5), the another side of baffle
It is in contact with the another side of speed friction control piece (4), bearing is fixed on the medial surface of housing (5), one end activity of axis
It is connected on bearing, the other end of axis is connected through baffle and speed friction control piece (4) with turbine (1)；
The medial surface of housing (5) is equipped with the head rod (8) of hollow structure, and internal thread, gear are equipped in head rod (8)
The side of plate is equipped with the second connecting rod of hollow structure, and the outer wall of the second connecting rod is equipped with matched outer with the internal thread
Screw thread, bearing are located in the head rod (8), and one end of axis is movably connected on the bearing, and the other end of axis is successively
It is connected through the head rod (8), the second connecting rod, baffle and speed friction control piece (4) with turbine (1)；
Each jet port (6) is uniformly distributed in the side of housing (5).
2. the test device of cement mortar mobility according to claim 1, which is characterized in that the housing (5) is circle
Column construction.
3. the test device of cement mortar mobility according to claim 1, which is characterized in that shotcrete machine
Outlet is connected with the cement mortar import by cement mortar import straight tube (7).
4. the test device of cement mortar mobility according to claim 1, which is characterized in that axis is placed in the first connection
On bar (8), the second connecting rod, baffle and speed friction control piece (4).
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 CN105372158A (en) | 2016-03-02 |
| CN105372158B true CN105372158B (en) | 2018-06-01 |
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| 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 |
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| Country | Link |
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| CN (1) | CN105372158B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111402679B (en) * | 2020-04-16 | 2022-02-18 | 张凯伦 | Automobile lubricating oil viscosity contrast device for teaching |
Family Cites Families (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 |
| CN1308668C (en) * | 2005-01-18 | 2007-04-04 | 武汉理工大学 | Tester and testing method for high-sensitivity cement thick liquid flowability |
| CN101806221B (en) * | 2010-03-30 | 2011-10-26 | 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 |
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- 2015-11-27 CN CN201510848381.3A patent/CN105372158B/en not_active Expired - Fee Related
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| CN105372158A (en) | 2016-03-02 |
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