CN211061372U - Device for accurately measuring cement paste fluidity loss rate over time - Google Patents
Device for accurately measuring cement paste fluidity loss rate over time Download PDFInfo
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- CN211061372U CN211061372U CN201921641895.1U CN201921641895U CN211061372U CN 211061372 U CN211061372 U CN 211061372U CN 201921641895 U CN201921641895 U CN 201921641895U CN 211061372 U CN211061372 U CN 211061372U
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Abstract
The utility model relates to a building engineering technical field especially relates to a device that is used for accurate measurement cement paste fluidity loss rate through time, and it includes upper and lower open-ended sealed chamber, and sealed chamber divides into the first cavity and the cylindric second cavity of round platform form, follows sealed chamber vertically is provided with sealed chamber joint line, and the joint line plane expandes can be followed to sealed chamber, and the first opening part on first cavity upper portion is provided with the elastic ring, the utility model discloses combine grout agitating unit's structural particularity, it is sealed comprehensively to the agitated kettle who is equipped with the cement paste, effectually prevent the evaporation of water, improved the cement paste fluidity loss rate measuring precision through time, pour into the appurtenance of circular cone section mould into as the grout simultaneously, avoided the grout to flow to arouse measuring error on the glass board.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a device that is used for accurate measurement cement paste fluidity loss rate over time.
Background
With the more and more extensive application of high-performance concrete, the concrete admixture is used as an important component material of the high-performance concrete, in particular to a water reducing agent. At present, hundreds of water reducing agents exist in the market, wherein the compatibility of the water reducing agent and cement is an important measurement index, and the relative size of the water reducing rate of the water reducing agent is reflected by adopting a cement paste fluidity test to reflect the adaptability condition of the water reducing agent and the cement.
The initial fluidity test of the cement paste is operated according to the existing specification GB/T8077-2012 'concrete admixture homogeneity test method', and the test method is simple and convenient. However, in order to further study the compatibility of the water reducing agent and the cement, the method for testing the loss rate of fluidity with time involved in JC/T1083-2008 & lttest method for compatibility of cement and water reducing agent & gt, is to recover the slurry on the glass plate into a stirring pot by a scraper after the initial fluidity is tested, and to perform static sealing by adopting a proper method for 30min or 60min at equal time intervals, then to continue stirring and to test the fluidity again. In the process, the prevention of the evaporation of the water in the slurry is an important factor for accurately measuring the loss rate with time. There are several disadvantages in this procedure of testing the rate of loss over time: 1. because the puddler has been arranged to the agitator kettle top, be not convenient for sealed, actual operation varies from person to person, can lead to the time loss rate to measure inaccurately. 2. The clean slurry that stirs in the agitated kettle pours into the truncated cone circle mould process and not only needs quick but also can not cause the thick liquid overflow or the thick liquid to spill on the glass board, and in actual operation, because the agitated kettle opening is big, the mould mouth of truncated cone circle mould is little, can often spill the thick liquid because of misoperation, pollutes the glass board, influences follow-up clean slurry mobility and measures.
Disclosure of Invention
An object of the utility model is to prior art not enough, and provide a device that is used for the clean thick liquid mobility of accurate measurement cement to lose the rate through time, its simple structure science realizes the comprehensive sealed of agitated kettle, prevents water evaporation, pours into the appurtenance of circular cone section mould as the grout into simultaneously, can reduce the error that the manual operation arouses, realizes the accurate measurement of the clean thick liquid mobility of cement loss rate through time.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a device that is used for accurate measurement cement paste fluidity loss rate over time, includes the sealed chamber, the sealed chamber is all uncovered from top to bottom, follows the sealed chamber longitudinal arrangement has sealed chamber joint line, the both sides of sealed chamber joint line are provided with the buckle of mutually supporting, the sealed chamber comprises the first cavity and the cylindric second cavity of round platform form, first cavity is located second cavity upper portion, first cavity upper portion is provided with first opening, first opening is provided with the detachable elastic ring.
Preferably, the sealed cavity is provided with two combined seams.
Preferably, the elastic ring is soft silica gel.
Preferably, the material of the sealed cavity is wear-resistant transparent acrylic plate.
Preferably, the thickness of the sealed cavity is 10-20 mm.
Preferably, the aperture of the first opening is 30 mm.
The utility model has the advantages that: the utility model provides a device that is used for accurate measurement cement paste fluidity loss rate through time, its includes upper and lower open-ended sealed chamber, and sealed chamber divide into the first cavity and the cylindric second cavity of round platform form, follows sealed chamber vertically is provided with sealed chamber joint line, and the joint line plane expandes can be followed to sealed chamber, and the first opening part on first cavity upper portion is provided with the elastic ring, the utility model discloses combine grout agitating unit's structural specificity, it is sealed comprehensively to the agitator kettle that is equipped with the cement paste, effectually prevents the evaporation of water, has improved the cement paste fluidity loss rate through time measuring precision, has avoided the thick liquid to flow to the appurtenance of glass board on as the grout injection circular cone cut die simultaneously, has aroused measuring error.
Drawings
FIG. 1 is a front view of the device for accurately measuring the loss rate of fluidity of cement paste with time according to the present invention.
FIG. 2 is a schematic diagram of the structure of the sealing cavity of the device for accurately measuring the loss rate of the fluidity of the cement paste with time according to the present invention.
Figure 3 is a cross-sectional view of the device for accurately measuring the loss rate of fluidity of cement paste over time.
Description of reference numerals:
1-sealed Chamber 2-first Chamber
3-second chamber 4-first opening
5-sealing cavity joint seam 6-fastener
7-elastic ring.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.
As shown in fig. 1, the device for accurately measuring the loss rate of the fluidity of the cement paste over time in the embodiment is used in cooperation with a stirring device and a truncated cone circular mold of a cement paste fluidity detection device, and includes a sealed cavity 1, wherein the sealed cavity 1 is made of a wear-resistant transparent acrylic plate, the thickness of the sealed cavity is 10 cm-20 cm, the sealed cavity 1 is of a hollow structure, the upper part and the lower part of the sealed cavity are both open, the sealed cavity 1 includes a first truncated cone-shaped cavity 2 and a second cylindrical cavity 3, the inner diameter of the second cavity 3 is greater than the outer diameter of a stirring pot by about 20mm, the first cavity 2 is located at the upper part of the second cavity 3, a detachable elastic ring 7 is arranged at a first opening 4 at the upper part of the first cavity 2, the elastic ring is used for sealing the position of a stirring rod, and the elastic ring; be provided with seal chamber joint seam 5 along seal chamber 1's vertically, seal chamber 1 can follow 5 planes of seal chamber joint seam and expand, and along the both sides of seal chamber joint seam 5, seal chamber 1 is provided with buckle 6, opens buckle 6, and seal chamber 1 can follow 5 planes of seal chamber joint seam and expand.
Furthermore, there are two seal chamber joint seams 5, and seal chamber 1 is formed by two plane acrylic plates through seal chamber joint seam 5 and buckle 6.
Furthermore, the aperture of the first opening is 30mm, and the aperture of 30mm is 2-5mm larger than the diameter of the stirring rod of the stirring device.
During working, in the pouring process, the elastic ring 7 is removed, the first opening 4 is aligned to the die orifice of the conical section die, the slurry is poured into the conical section die from the bottom, the conical bottom opening of the sealing cavity 1 is far larger than the first opening, the first opening is smaller than the die orifice of the conical section die, the slurry is prevented from being spilled out, after the slurry is poured, the buckle 6 is opened, the slurry is spread along the joint seam 5 of the sealing cavity, and the planar panel is cleaned;
in the sealing process, an elastic ring 7 is sleeved on the sealing sleeve, the elastic ring 7 is used for sealing the stirring rod, the spread sealing cavity 1 surrounds the stirring device, the buckles 6 on two sides of the joint seam 5 of the sealing cavity are closed, and the sealing of the stirring pot filled with the slurry is realized.
The sealing cavity 1 with two or more sealing cavity joint seams 5 is a conical section mould matched with a small-bore mould opening.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A device for accurate measurement cement paste fluidity loss rate over time, its characterized in that: including sealed chamber (1), equal opening about sealed chamber (1), follow sealed chamber (1) longitudinal arrangement has sealed chamber joint line (5), the both sides of sealed chamber joint line (5) are provided with buckle (6) of mutually supporting, sealed chamber (1) comprises first cavity (2) and cylindric second cavity (3) of round platform form, first cavity (2) are located second cavity (3) upper portion, first cavity (2) upper portion is provided with first opening (4), first opening (4) are provided with detachable elastic ring (7).
2. The apparatus for accurately measuring the rate of loss of fluidity of cement paste over time as set forth in claim 1, wherein: the sealing cavity is provided with two joint seams (5).
3. The apparatus for accurately measuring the rate of loss of fluidity of cement paste over time as set forth in claim 1, wherein: the elastic ring (7) is made of soft silica gel.
4. The apparatus for accurately measuring the rate of loss of fluidity of cement paste over time as set forth in claim 1, wherein: the material of the sealed cavity (1) is a wear-resistant transparent acrylic plate.
5. The apparatus of claim 4 for accurately measuring the rate of loss of cement paste fluidity over time, wherein: the thickness of the acrylic sheet is 10-20 mm.
6. The apparatus for accurately measuring the rate of loss of fluidity of cement paste over time as set forth in claim 1, wherein: the aperture of the first opening (4) is 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641895.1U CN211061372U (en) | 2019-09-29 | 2019-09-29 | Device for accurately measuring cement paste fluidity loss rate over time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641895.1U CN211061372U (en) | 2019-09-29 | 2019-09-29 | Device for accurately measuring cement paste fluidity loss rate over time |
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| CN211061372U true CN211061372U (en) | 2020-07-21 |
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| CN201921641895.1U Active CN211061372U (en) | 2019-09-29 | 2019-09-29 | Device for accurately measuring cement paste fluidity loss rate over time |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485152A (en) * | 2020-12-11 | 2021-03-12 | 山东交通学院 | Method for judging river sand quality |
| CN113008736A (en) * | 2021-01-11 | 2021-06-22 | 中铁六局集团有限公司 | Method for testing gradual loss of fluidity of grouting slurry laminar flow cone |
-
2019
- 2019-09-29 CN CN201921641895.1U patent/CN211061372U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485152A (en) * | 2020-12-11 | 2021-03-12 | 山东交通学院 | Method for judging river sand quality |
| CN113008736A (en) * | 2021-01-11 | 2021-06-22 | 中铁六局集团有限公司 | Method for testing gradual loss of fluidity of grouting slurry laminar flow cone |
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