CN209086045U - A kind of gravity flowing levelling mortar multifunctional testing mold - Google Patents
A kind of gravity flowing levelling mortar multifunctional testing mold Download PDFInfo
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- CN209086045U CN209086045U CN201920794078.3U CN201920794078U CN209086045U CN 209086045 U CN209086045 U CN 209086045U CN 201920794078 U CN201920794078 U CN 201920794078U CN 209086045 U CN209086045 U CN 209086045U
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Abstract
The utility model provides a kind of gravity flowing levelling mortar multifunctional testing mold, including shell and pedestal, and the shell is removably set on the base and forms the accommodating chamber for being used for gravity flowing levelling mortar Cheng Mo with pedestal；The pedestal includes collet and body, the body is arranged on collet, the collet includes bottom plate, first column, second column and vertical plate, the first column is provided on the bottom plate, second column and vertical plate, second column is higher than the first column, the body be equipped with respectively with the first column on bottom plate, the hole that second column and vertical plate size shape match, the first column on the bottom plate matches to form pit with hole corresponding on body, the second column on the bottom plate matches to form protrusion with hole corresponding on body, and the vertical plate on the bottom plate matches to form gap with hole corresponding on body.This gravity flowing levelling mortar multifunctional testing mold can realize a variety of test functions, can measure the mobility of mortar simultaneously, permeability, planarization, fill and lead up ability and tensile strength.
Description
Technical field
The utility model relates to construction material detection technology fields, particularly, are related to a kind of multi-functional survey of gravity flowing levelling mortar
Test die.
Background technique
Gravity flowing levelling mortar is made of special cement, selected aggregate and multiple additives, and a kind of stream is formed after mixing with water
Dynamic property is strong, the Self-leveling foundation material of high-ductility.Suitable for smart levelling and all pavements of mattess, it is widely applied
In civil and commercial building.Existing gravity flowing levelling mortar generally can all add a certain amount of water-reducing agent, Lai Zengqiang gravity flowing levelling mortar
Mobility, to improve the comprehensive performance of gravity flowing levelling mortar.
Laboratory and building site mostly use Mortar'S Flowability greatly to evaluate the quality of mortar mobile performance at present.According to " JCT
985 ground cement-based self-leveling mortars " regulation: by internal diameter 30mm, the hollow cylinder of high 50mm is placed on test board center,
After gravity flowing levelling mortar fills the cylindrical body, starts timing, promote 5cm~10cm in 2s vertically upward, 10s~15s is kept to make to try
Sample freely leaves, and both direction diameter is surveyed after 4min, is averaged as Mortar'S Flowability.It can only be tested using the test and device
The mobility of mortar, and mortar testing permeability cannot be tested, planarization, fill and lead up ability.Meanwhile testing the tensile strength of mortar
It also needs individually mold to be used to prepare mortar block, its tensile strength can be tested.
Therefore, it is badly in need of a kind of new technique of gravity flowing levelling mortar multifunctional testing mold in the industry.
Utility model content
To solve the above problems, the utility model aim is to provide a kind of gravity flowing levelling mortar multifunctional testing mold, it should
Mould structure is simple, novel in design, easy to operate, can test the mobility of gravity flowing levelling mortar mortar, permeability, smooth simultaneously
Property fills and leads up the comprehensive performances such as ability and tensile strength.
To achieve the above object, the utility model provides a kind of gravity flowing levelling mortar multifunctional testing mold, the gravity flow
Flat mortar multifunctional testing mold includes shell and pedestal, and the shell is removably set on the base and forms one with pedestal
A accommodating chamber for gravity flowing levelling mortar Cheng Mo；The pedestal includes collet and body, and the body is arranged on collet, described
Spring and support column are equipped between body and collet, the collet includes bottom plate, the first column, the second column and vertical plate, described
The first column, the second column and vertical plate are provided on bottom plate, second column is higher than the first column, the body be equipped with
The hole that the size shape of the first column, the second column and vertical plate on bottom plate matches, the first column on the bottom plate with
Corresponding hole matches to form pit on body, and the second column on the bottom plate and hole corresponding on body match shape
Match to form gap with hole corresponding on body at the vertical plate in protrusion and the bottom plate.
Further, the body is divided into functional areas and nonfunctional area, and the nonfunctional area is far from body center 5-
The region of 10cm, the hole on the body are arranged in intermediate functional areas, and the functional areas of the body are uniformly distributed on peripheries with more
The big through-hole in a small lower part in top, through-hole lower part are equipped with rubber stopper.
Further, the groove mutually chimeric with outer casing underpart is equipped between the functional areas and nonfunctional area of the body.
Further, the first column on the bottom plate is cylindrical body or cuboid, the first column on the bottom plate
The pit depth of hole formation corresponding on body is 30-80mm.
Further, the second column on the bottom plate is cylinder close to one end of bottom plate, and one end far from bottom plate is
Cone, the second column on the bottom plate are 30-80mm with the height of projection of hole formation corresponding on body.
Further, the vertical plate on the bottom plate is 40-80mm with the gap depth of hole formation corresponding on body, wide
Degree is 1-5mm.
Further, the shell is truncated rectangular pyramids shape, and top is equipped with the opening for charging；The enclosure material is
Bright plastic material, side wall of outer shell have scale.
The utility model has the following beneficial effects:
1, a kind of gravity flowing levelling mortar multifunctional testing mold provided by the utility model, by body be equipped with on bottom plate
The first column, the second column and vertical plate the hole that matches of size shape, on the first column and body on the bottom plate
Corresponding hole formation groove, the second column on the bottom plate and hole formation protrusion corresponding on body, on the bottom plate
Vertical plate and hole formation corresponding on body gap, can be used for detecting the mobility of mortar, permeability, planarization and fill and lead up
Ability.Specifically: (1) fluidity testing: the timing from flowing into mouth under funnel since the mortar, to filling up the angle of farthest four
The groove of reverse frustoconic stops timing, and mobility is inversely proportional in the duration, and duration is shorter, and proof mortar mobility is better.(2) it seeps
Permeability test: gap depth 40-80mm, width 1-5mm penetrate into the depth in gap, detection by investigating gravity flowing levelling mortar
Permeability of the mortar to gap.(3) planarization: bottom surface flatness, that is, whether the binding face of mortar and body is smooth after demoulding.
(4) it fills and leads up ability: investigating gravity flowing levelling mortar filling pit and pave the identical situation of its form and mold after protrusion, with gypsum
The die trial comparison goodness of fit reversely replicated, to determine the specific location that mortar is not filled and led up and the degree that do not fill and lead up.
2, a kind of gravity flowing levelling mortar multifunctional testing mold provided by the utility model, the functional areas quadrangle of the body are equal
It is furnished with the hole of the big reverse frustoconic in the small lower part in 4 top, furnace hole lower part is equipped with active rubber plug, it is strong can to measure mortar tension
Degree.Specifically: after mortar specimen is conserved a period of time, support column is removed, hydraulic press uniformly applies pressure from quadrangle, is pressed downward
Body, spring slightly compress, and all first columns, the second column and the vertical plate on bottom plate upwards press to entire hardened sand slurry,
Hydraulic press peak value is read when four inverted round stage of sample fracture, and subtracts 4 sections after spring supporting power divided by inverted round stage
The sum of area obtains the mortar tensile strength (MPa), while can also detect section flatness, i.e., breaked inverted round stage section part
It is whether smooth.
3, a kind of gravity flowing levelling mortar multifunctional testing mold provided by the utility model, structure is simple, novel design, operates
It is convenient, specific instrument or fixture are not needed, the mobility of mortar can be measured simultaneously, permeability, planarization, fill and lead up ability
With the comprehensive performances such as tensile strength.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the overall structure diagram of the preferred embodiment in the utility model；
Fig. 2 is the schematic diagram of base structure of the preferred embodiment in the utility model；
Fig. 3 is the body top view of the preferred embodiment in the utility model；
Fig. 4 is the top view of the collet of the preferred embodiment in the utility model；
Fig. 5 is the front view of the collet of the preferred embodiment in the utility model；
Wherein, 1, shell, 2, pedestal, 3, collet, 4, body, 5, pit, 6, protrusion, 7, gap, 8, through-hole, 9, spring,
10, the first column, 11 second columns, 12, vertical plate.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Benefit requires to limit and the multitude of different ways of covering is implemented.
Referring to Fig. 1 to Fig. 5, a kind of gravity flowing levelling mortar multifunctional testing mold provided by the utility model includes 1 He of shell
Pedestal 2, the shell 1 are removably arranged on pedestal 2 and form the receiving for being used for gravity flowing levelling mortar Cheng Mo with pedestal 2
Chamber；The pedestal 2 includes collet 3 and body 4, and the body 4 is arranged on collet 3, and the collet 3 is stood including bottom plate, first
Column 10, the second column 11 and vertical plate 12, are provided with the first column 10, the second column 11 and vertical plate 12 on the bottom plate, and described
Two columns, 11 to the first column 10 is high, and the body 4 is equipped with and the first column 10, the second column 11 and the vertical plate 12 on bottom plate
The hole that matches of size shape, the first column on the bottom plate matches to form pit 5 with hole corresponding on body,
The second column on the bottom plate match with hole corresponding on body to be formed protrusion 6 and the bottom plate on vertical plate with
Corresponding hole matches to form gap 7 on body.Spring 9 is equipped between the body 4 and collet 3, body 4 is pressed in spring 9
On equilbrium position be collet 3 and 4 meeting point position of body.Body is pushed when pouring into mortar in order to prevent, spring-compressed is led
It causes upper surface topography to change, is supported using four moveable support columns at four side midpoints before mortar is added, in demoulding
Take out support column.
The body 4 is side length 60cm, and the cuboid of thick 10cm, the body 4 divides for functional areas and nonfunctional area, described
Nonfunctional area is region of the surrounding far from body center 10cm, and as spring supporting vacancy, remaining intermediate 50cm × 50cm is
Functional areas, the hole on the body 4 are arranged in intermediate functional areas, and the functional areas quadrangle of the body 4 sets that there are four upper
The through-hole 8 of the big reverse frustoconic in the small lower part in portion, 8 lower part of through-hole are equipped with rubber stopper.The rubber stopper can be by 8 lower seal of through-hole.
Four rounding important actors are formed after the through-hole that mortar flows into body quadrangle reverse frustoconic, must be pulled off, be can be used in demoulding
Tested for tensile strength；Breaked rounding important actor mortar residue takes out after pulling out rotary table lower rubber plug from lower part.
It is equipped with the groove mutually chimeric with 1 lower part of shell between the functional areas and nonfunctional area of the body 4, exists for shell
It is fixed on when sample introduction on body 4.
The first column 10 on the bottom plate is cylindrical body or cuboid, on the first column and body on the bottom plate
The corresponding multiple depth of hole formation are the pit 5 that 30-80mm is not waited.When demoulding, support column is removed, hydraulic press is equal from quadrangle
Even application pressure, is pressed downward body, and spring slightly compresses, the mortar that shortest first column will can harden in pit upwards on bottom plate
Body ejection.
The second column 11 on the bottom plate is cylindrical body close to one end of bottom plate, and one end far from bottom plate is cone,
The protrusion 6 that the second column on the bottom plate is not waited with the multiple height of hole formation corresponding on body for 30-80mm.
Vertical plate 12 on the bottom plate is 40-80mm, width 1-5mm with the multiple depth of hole formation corresponding on body
Not equal gap 7.When demoulding, support column is removed, hydraulic press uniformly applies pressure from quadrangle, is pressed downward body, and spring is slightly pressed
It contracts, shortest vertical plate can upwards eject the body hardened in gap on bottom plate.
The shell 1 is truncated rectangular pyramids shape, and top is equipped with the opening for charging.The shell 1 is 20cm high, the body
Between 4 functional areas and nonfunctional area be equipped with the groove mutually chimeric with 1 lower part of shell, 1 lower part 5cm of shell be used for outside body 4
Side is chimeric, is fixed on body 4 in sample introduction.1 material of shell is transparent plastics material, and side wall of outer shell has scale, by this
The volume that volume read-out by scale subtracts measuring device does not fill and lead up the volume of part as, and the bigger explanation gravity flowing levelling mortar of numerical value is filled and led up
Ability is poorer.
When in use, assembling die first: by bottom plate the first column, the second column and vertical plate alignment insertion and body
It in upper corresponding hole, while checking four spring stability, is finally placed in four support columns in body surrounding and (is not marked in figure
Out), check whether four moveable support column cylinder upper surfaces on insertion bottom plate are concordant with body lower surface, it finally will be outer
Shell is mounted on body, and shell upper opening puts funnel.It, will first by mould inside even application release agent when test
The gravity flowing levelling mortar that the good volume of dosage tolerance is V1 since funnel pour into die trial and timing.Since the mortar under funnel mouth
Timing has been flowed into, has stopped timing when to the inverted round stage groove for filling up the angle of farthest four, duration used is denoted as T, gravity flowing levelling mortar
Mobility be inversely proportional with duration T, the smaller proof mortar mobility of duration T is better.After mortar stops flowing, from side wall of outer shell
Volume V2 corresponding to the scale of mortar upper surface is read, the gravity flowing levelling mortar volume V1 that measurement volume V2 subtracted amount tolerance takes is exactly
Volume of air under mortar, i.e. mortar fail the part filled and led up, this volume is defined as voidage, reflect gravity flowing levelling mortar
Permeability and fill and lead up ability.The volume V1 for subtracting measuring device of volume V2 read-out by the scale is not filled and led up as to the volume of part,
It is poorer that the bigger explanation gravity flowing levelling mortar of difference fills and leads up ability.The desheathing after mortar hardening, it is upper after checking mortar solidification
Surface smoothness is to determine the smooth performance of mortar.After conserving a period of time, four support columns are removed, hydraulic press is uniform from quadrangle
Apply pressure, is pressed downward body, spring slightly compresses, and the first all columns, the second column and vertical plate are upwards to entire on bottom plate
Hardened sand slurry pressure, reads the peak-peak F of hydraulic press, the maximum of the press machine when four inverted round stage of sample fracture
Pressure value subtract spring supporting power (size of the power can be measured according to amount of spring compression, simultaneously as spring initial position is fixed,
The value is fixed value) after divided by the sum of four cross-sectional areas of inverted round stage the mortar tensile strength (MPa), while checking section
Flatness.After demoulding, check whether the binding face of mortar and body is smooth, it can be determined that mortar bottom surface flatness, while with stone
Cream (because the mobility of gypsum is much larger than the mobility of gravity flowing levelling mortar, is inserted with gypsum instead of mortar as blank control group
Die trial, compacting guarantee to fill up all gaps, demould after gypsum sets, be equivalent to the reversed form for showing die trial), after demoulding
Body compared with the die trial reversely replicated with gypsum, gravity flowing levelling mortar filling pit can be investigated and pave after protrusion it
The identical situation of form and mold compares the goodness of fit with the die trial that gypsum reversely replicates, to determine that mortar is not filled and led up specific
Position and the degree that do not fill and lead up.
A kind of gravity flowing levelling mortar multifunctional testing mold provided by the utility model, structure is simple, novel in design, operation side
Just, specific instrument or fixture are not needed, can measure simultaneously the mobility of mortar, permeability, planarization, fill and lead up ability and
The comprehensive performances such as tensile strength.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of gravity flowing levelling mortar multifunctional testing mold, which is characterized in that the gravity flowing levelling mortar multifunctional testing mold packet
Shell and pedestal are included, the shell is removably set on the base and forms one for gravity flowing levelling mortar Cheng Mo's with pedestal
Accommodating chamber；The pedestal includes collet and body, and the body is arranged on collet, and spring is equipped between the body and collet
And support column, the collet include bottom plate, the first column, the second column and vertical plate, and the first column, are provided on the bottom plate
Two columns and vertical plate, second column is higher than the first column, and the body is equipped with and the first column, second vertical on bottom plate
The hole that the size shape of column and vertical plate matches, the first column on the bottom plate and hole corresponding on body match shape
At pit, the second column on the bottom plate matches to be formed on protrusion and the bottom plate with hole corresponding on body
Vertical plate matches to form gap with hole corresponding on body.
2. a kind of gravity flowing levelling mortar multifunctional testing mold according to claim 1, which is characterized in that the body is divided into
Functional areas and nonfunctional area, the nonfunctional area are the region far from body center 5-10cm, the hole setting on the body
In intermediate functional areas, the functional areas of the body are uniformly distributed on peripheries with the big through-hole in the small lower part in multiple tops, and through-hole lower part is set
There is rubber stopper.
3. a kind of gravity flowing levelling mortar multifunctional testing mold according to claim 2, which is characterized in that the function of the body
The groove mutually chimeric with outer casing underpart can be equipped between area and nonfunctional area.
4. a kind of gravity flowing levelling mortar multifunctional testing mold according to claim 1, which is characterized in that on the bottom plate
First column is cylindrical body or cuboid, and the first column on the bottom plate is deep with the pit of hole formation corresponding on body
Degree is 30-80mm.
5. a kind of gravity flowing levelling mortar multifunctional testing mold according to claim 1, which is characterized in that on the bottom plate
Second column is cylinder close to one end of bottom plate, and one end far from bottom plate is cone, the second column on the bottom plate with
The height of projection of corresponding hole formation is 30-80mm on body.
6. a kind of gravity flowing levelling mortar multifunctional testing mold according to claim 1, which is characterized in that on the bottom plate
Vertical plate is 40-80mm, width 1-5mm with the gap depth of hole formation corresponding on body.
7. -6 any a kind of gravity flowing levelling mortar multifunctional testing mold according to claim 1, which is characterized in that described outer
Shell is truncated rectangular pyramids shape, and top is equipped with the opening for charging；The enclosure material is transparent plastics material, and side wall of outer shell has quarter
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920794078.3U CN209086045U (en) | 2019-05-30 | 2019-05-30 | A kind of gravity flowing levelling mortar multifunctional testing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920794078.3U CN209086045U (en) | 2019-05-30 | 2019-05-30 | A kind of gravity flowing levelling mortar multifunctional testing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209086045U true CN209086045U (en) | 2019-07-09 |
Family
ID=67128001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920794078.3U Active CN209086045U (en) | 2019-05-30 | 2019-05-30 | A kind of gravity flowing levelling mortar multifunctional testing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209086045U (en) |
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2019
- 2019-05-30 CN CN201920794078.3U patent/CN209086045U/en active Active
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