CN215812249U

CN215812249U - Cement paste fluidity tester with time recorder

Info

Publication number: CN215812249U
Application number: CN202121579404.2U
Authority: CN
Inventors: 张继勇; 刘春舵; 张咏梅; 张继辉; 张寅聪
Original assignee: China Construction Railway Investment Test Co ltd
Current assignee: China Construction Railway Investment Test Co ltd
Priority date: 2021-01-12
Filing date: 2021-07-13
Publication date: 2022-02-11
Anticipated expiration: 2031-07-13
Also published as: CN112858099A

Abstract

The utility model discloses a cement paste fluidity tester with a timer, which comprises a glass plate, wherein the plane shape of the glass plate is square, the bottoms of four corners of the glass plate are respectively provided with an adjustable foot seat for adjusting the levelness of the glass plate, and the central position of the glass plate is provided with an embedded leveling bubble; a dial with a circular planar shape is arranged on the glass plate, the dial is concentric with the glass plate and is printed on the upper surface of the glass plate, a scribed circle which is the same as the lower port of the truncated cone mold is printed at the center of the dial, and the scribed circle covers the leveling bubble; at least 4 mutually vertical scale marks are arranged on the scale disc along the scale line circle to the excircle where the scale disc is located; a timer is also arranged on the glass plate. Compared with the traditional instrument for detecting the fluidity of the cement paste, the utility model does not need to prepare other tools, can quickly level, has the reminding function of the timer, ensures that the measuring time is accurate, avoids the occurrence of the overtime phenomenon in the past, and has more visual, more convenient and more accurate measuring data reading.

Description

Cement paste fluidity tester with time recorder

Technical Field

The utility model relates to a device for measuring the fluidity of cement paste in the homogeneity index of an additive in the field of building materials, in particular to a cement paste fluidity tester with a time recorder.

Background

The testing process of the fluidity of the cement paste is to quickly inject the mixed paste into a truncated cone mould and lift the mixed paste in the vertical direction, start a stopwatch to time at the same time, let the cement paste flow on a glass plate (the glass plate should be adjusted to be in a horizontal state) for 30s, measure the maximum diameter of the flowing part in two mutually vertical directions by using a ruler, and take the average value as the fluidity of the cement paste.

In the prior art, a utility model with chinese patent publication No. CN202562827U discloses a net slurry fluidity measuring device, which includes a measuring cylinder and a net slurry fluidity detecting bottom plate. The measuring cylinder is a truncated cone mould. The net thick liquid mobility detects the bottom plate, further is equipped with and detects the circle and detect the scale. The diameter of the detection circle is equal to the outer diameter of the sample adding outlet of the measuring cylinder. When the device and the clean pulp fluidity detection bottom plate are used for performing a clean pulp fluidity experiment, the numerical value of the clean pulp fluidity can be directly read out from the scales on the device, and errors caused by personal differences when the diameter of the clean pulp is measured by a ruler are avoided.

And there is, utility model patent publication No. CN206594010U discloses a cement paste fluidity testing arrangement, including workstation, glass board and truncated cone mould, the glass board is fixed on the workstation, one side is provided with elevating system, the last bracket that is connected with of elevating system, the bracket other end extends to the glass board top, the tip level is provided with the general purpose clamp, truncated cone mould is 36mm for the internal diameter of upper aperture, the internal diameter of lower aperture is 60mm, highly is 60mm, the smooth seamless tubaeform metal product of inner wall, the upper end has outside extension's boss, the general purpose clamp is under the boss of truncated cone mould, can be under elevating system's drive, along vertical direction motion. The device can eliminate experimental error caused by human factors in the cement paste fluidity test process, and the test result is more objective and accurate.

However, since a timer such as a stopwatch needs to be additionally provided in the test, and the operation needs to pay attention to the timing of the stopwatch on one side and read the value on the other side, the test error is easily caused by the use of two hands. Therefore, the prior art does not consider the problems of accurate timing when performing such tests and how to conveniently read the measured values during operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the cement paste fluidity tester with the time recorder, which can accurately measure the cement paste fluidity, is convenient for adjusting the level of the tester, is convenient for reading the measured value, replaces a ruler, is convenient for timing, replaces a stopwatch and can independently finish the detection.

The utility model is realized by the following steps:

a cement paste fluidity tester with a timer comprises a glass plate, wherein the plane shape of the glass plate is square, the bottoms of four corners of the glass plate are respectively provided with an adjustable foot seat for adjusting the levelness of the glass plate, and the center of the glass plate is provided with an embedded leveling bubble; a dial with a circular planar shape is arranged on the glass plate, the dial is concentric with the glass plate and is printed on the upper surface of the glass plate, a scribed circle which is the same as the lower port of the truncated cone mold is printed at the center of the dial, and the scribed circle covers the leveling bubble; at least 4 mutually vertical scale marks are arranged on the scale disc along the scale line circle to the excircle where the scale disc is located; a timer is also arranged on the glass plate.

Further, the glass plate is made of 400 × 5mm high strength glass.

Further, the timer is arranged in the range of 20mm from the edge of any angle of the glass plate, and the timer adopts an embedded stopwatch and is provided with a start button and a timing and sounding prompt component.

Furthermore, the timer adopts a digital electronic timer and an LED display screen, and is embedded in the glass plate.

Furthermore, the adjustable foot seat consists of an upper seat and a base, the upper seat is fixed at the bottoms of the four corners of the glass plate through glue, and the base is supported on the ground; the upper seat is provided with a shell of a plastic structure, and the shell is provided with anti-skid teeth; a groove is formed in the center of the upper seat, and a screw rod extending upwards is arranged in the center of the groove; the base is provided with a shell of a plastic structure, the center of the base is provided with a tenon matched with the groove, and the center of the tenon is provided with a screw hole matched with the screw rod.

Compared with the prior art, the utility model has the advantages that compared with the prior instrument for detecting the fluidity of the cement paste, other tools are not needed, the leveling can be quickly carried out, the timer has the reminding function, the measuring time is accurate, the overtime phenomenon in the prior art is avoided, and the measured data reading is more visual, more convenient and more accurate.

Drawings

FIG. 1 is a schematic elevation view of the present invention;

FIG. 2 is a schematic plan view of the present invention;

fig. 3 is a schematic view of the adjustable foot seat.

Description of reference numerals: 1-adjustable footstand, 2-leveling bubble, 3-scale mark, 4-timer, 5-glass plate, 6-dial, 7-anti-slip tooth, 8-upper seat, 9-screw, 10-groove, 11-screw hole, 12-tenon and 13-base.

The specific implementation mode is as follows:

the technical scheme of the utility model is further explained in detail by combining the attached drawings and the embodiment

As shown in fig. 1-3: the surface of the measuring instrument is composed of a 400 × 5mm high-strength glass plate 5, leveling bubbles 3 are arranged in the center of the

glass plate

5, 4 leveling adjustable foot seats 1 are arranged around the glass plate, the leveling bubbles 2 can be quickly positioned in the center of the level instrument by adjusting the leveling adjustable foot seats 1, and the measuring instrument can be kept horizontal (replacing a level ruler). The surface of the glass plate 5 is provided with a dial 6, the center of the dial 6 is provided with a scribed circle which is the same as the lower port of the truncated cone mould, and at least 4 mutually vertical scale marks 3 (replacing a measuring ruler) are arranged on the dial 6 at the moment. A timer 4 is arranged in 20mm of one side of a glass plate 5, can count down for 30s (replacing an independent stopwatch), is provided with a start button, and gives an alarm after the 30s is finished.

In the specific implementation:

1. the tester is placed on a test bed, the adjustable foot seat 1 is adjusted, the leveling bubble 2 is observed to quickly reach a horizontal state, and the glass is wiped by wet cloth, 5, the truncated cone mould, the stirrer and the stirring pot, so that the surface of the tester is wet and does not have water stains. The truncated cone mold was placed in the center of the glass plate 5 and covered with a wet cloth for use. The truncated cone mould, the stirrer, the stirring pot and other devices can be realized by adopting the conventional common devices.

2. 300g of cement is weighed and poured into a stirring pot. Adding the additive and water with the recommended mixing amount, and immediately stirring.

3. And (3) quickly injecting the mixed paste into the truncated cone mould, scraping the cut-off cone mould by using a scraper, lifting the truncated cone mould in the vertical direction, simultaneously starting a timer 4, allowing the cement paste to flow on the glass plate 5, and giving an alarm by using the timer after 30 s.

4. The maximum diameters of the two directions in which the drooling portions are perpendicular to each other are read by the surface scale 6, and the average value is taken as the fluidity of the cement paste.

Wherein the adjustable foot seat 1 is made of the following materials: 6mm screw rod is made of iron, and the lifting height is adjusted by rotating the screw rod and wrapping plastics outside the screw rod. The glass plate 5 is fixed with glue at four feet; when in use, the upper seat 8 is buckled on the base 13 reversely, the screw 9 is screwed into the groove 10, and the screw depth of the screw 9 is controlled by screwing the anti-slip teeth 7, so that the height level is adjusted. The leveling bubble 2 is arranged in the center of the glass plate 5, no scale is needed when the radius of the center is 30mm, and the scale mark is marked from 30 mm. The timer 4 is a digital electronic timer and an LED display screen, the timer 4 is set to be timed for 30 seconds, buzzing sound is given out for warning when 0 second is reached, and the timer 4 is embedded in the glass plate 5 and can be controlled by a touch screen.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a clean thick liquid fluidity apparatus of cement of area timing which characterized in that: the leveling device comprises a glass plate (5), wherein the planar shape of the glass plate (5) is square, the bottoms of four corners of the glass plate are respectively provided with an adjustable foot seat (1) for adjusting the levelness of the glass plate (5), and the central position of the glass plate (5) is provided with an embedded leveling bubble (2); a dial (6) with a circular planar shape is arranged on the glass plate (5), the dial (6) is concentric with the glass plate (5), the dial (6) is printed on the upper surface of the glass plate (5), a scribed line circle which is the same as the lower port of the truncated cone mold is printed at the center of the dial (6), and the scribed line circle covers the leveling bubble (2); at least 4 mutually vertical scale marks (3) are arranged on the scale disc (6) along the scale line circle to the excircle where the scale disc (6) is located; and a timer (4) is also arranged on the glass plate (5).

2. The chronograph cement paste fluidity tester according to claim 1, wherein: the glass plate (5) is made of 400 x 5mm high strength glass.

3. The chronograph cement paste fluidity tester according to claim 1, wherein: the timer (4) is arranged in the range of 20mm from the edge of any angle of the glass plate (5), and the timer (4) adopts an embedded stopwatch and is provided with a start button and a timing and sounding prompt component.

4. The chronograph cement paste fluidity tester according to claim 1, wherein: the timer (4) adopts a digital electronic timer and an LED display screen and is embedded in the glass plate (5).

5. The chronograph cement paste fluidity tester according to claim 1, wherein: the adjustable foot seat (1) is composed of an upper seat (8) and a base (13), the upper seat (8) is fixed at the bottoms of four corners of the glass plate (5) through glue, and the base (13) is supported on the ground; the upper seat (8) is provided with a shell of a plastic structure, and the shell is provided with anti-skid teeth (7); a groove (10) is formed in the center of the upper seat (8), and a screw rod (9) extending upwards is arranged in the center of the groove (10); the base (13) is provided with a shell of a plastic structure, the center of the base (13) is provided with a tenon (12) matched with the groove (10), and the center of the tenon (12) is provided with a screw hole (11) matched with the screw rod (9).