CN211147817U - Sieve analysis stability test device - Google Patents
Sieve analysis stability test device Download PDFInfo
- Publication number
- CN211147817U CN211147817U CN202020188262.6U CN202020188262U CN211147817U CN 211147817 U CN211147817 U CN 211147817U CN 202020188262 U CN202020188262 U CN 202020188262U CN 211147817 U CN211147817 U CN 211147817U
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- screen
- blanking
- sieving
- cavity
- stability test
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- 238000013112 stability test Methods 0.000 title claims abstract description 23
- 238000005029 sieve analysis Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 69
- 238000007873 sieving Methods 0.000 claims abstract description 38
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 238000005303 weighing Methods 0.000 claims abstract description 30
- 238000004458 analytical method Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 20
- 239000004567 concrete Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 238000012216 screening Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 238000012430 stability testing Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 239000011376 self-consolidating concrete Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application discloses sieve analysis stability test device, including unloader, sieve analysis device and receiving device, unloader includes stocker and unloading regulator, and sieve analysis device includes sieve analyzer, weigher and time-recorder. The stability test device is provided with the blanking regulator to control blanking of the stocker, so that the accuracy of blanking control is improved; the concrete material falling on the screen analyzer is automatically weighed according to the predicted time by utilizing the weighing device and the timer, so that the accuracy of the control of the screen analysis time is ensured. The stability test device can combine the quality of the falling slurry in the stocker and the quality of the material in the sieving device measured in the preset time period, calculate the obtained slurry sieving index SSI, accurately control the sieving time and the falling slurry amount, obviously reduce the test error, improve the test efficiency, and avoid influencing the uniformity of the test result in manual operation.
Description
Technical Field
The application relates to the technical field of sieve analysis stability tests, in particular to a sieve analysis stability test device.
Background
Concrete is the most used artificial building material in the world, and the comprehensive performance of the whole building structure can be influenced by factors such as uncertainty of selected concrete materials, types of admixtures, diversity of designed concrete structures, complexity of concrete construction and field maintenance and the like. The self-compacting concrete is used as high-performance concrete with higher fluidity, segregation resistance and clearance permeability. As one of building structural materials, the material can meet the requirements of the modern buildings on height, span and specificity due to the characteristics of the material, and is widely applied to large-volume buildings, steel bar dense projects and projects with special shapes. The screening stability is one of important tests for measuring the fresh mixing performance of the self-compacting concrete, and the test has important significance.
At present, the commonly used methods for testing the screening stability of the concrete are all manual control on the time and the concrete mixing material amount in the relevant testing process, so that the uniformity of each test is difficult to ensure, and the test error is large. Therefore, in response to the above problems, in combination with the test requirements, there is a need for an improved device for sieve stability testing.
SUMMERY OF THE UTILITY MODEL
In view of this, the application provides a sieve analysis stability test device, has avoided the influence that time and concrete mix quality control's error caused the test result uniformity among the manual test.
The application provides a sieve analysis stability test device which comprises a blanking device, a sieve analysis device and a material receiving device;
The blanking device comprises a material storage device and a blanking regulator;
The blanking regulator is arranged on the stocker and used for controlling the stocker to blank;
The sieving and analyzing device comprises a sieving and analyzing device, a weighing device and a timer;
The feed inlet of the sieving device is communicated with the feed outlet of the material storage device, and the discharge outlet of the sieving device is communicated with the material receiving port of the material receiving device;
The weighing device is arranged on the sieving device, is electrically connected with the timer and is used for weighing the mass of the materials in the sieving device according to preset time.
Preferably, the blanking device, the screening device and the receiving device are sequentially arranged from top to bottom;
The screen analysis device is arranged on the material receiving device;
The blanking device is arranged on the sieving device.
Preferably, the blanking regulator comprises a driver and a baffle;
The baffle is arranged in the material storage device along the vertical direction, the material storage device is divided into a sealed material storage cavity and a communication cavity, and the top of the baffle and the side wall of the material storage cavity enclose the feed opening;
The feed opening is communicated with the feed opening through the communicating cavity;
The driver is connected with the baffle and used for driving the baffle to move.
Preferably, the driver is a telescopic push rod which is vertically erected at the top of the stocker.
Preferably, the screen comprises a body and a screen;
The main body is internally provided with an installation cavity, the top of the main body is provided with the feed inlet communicated with the installation cavity, and the bottom of the main body is provided with the discharge outlet communicated with the installation cavity;
The weighing devices are arranged in the mounting cavity around the side wall of the mounting cavity;
The screen is mounted on the weigher.
Preferably, a plurality of protruding block parts are arranged at the bottom of the mounting cavity along the side wall, the weighing devices are erected on the protruding block parts, and material avoiding spaces are formed among the weighing devices.
Preferably, an annular partition plate is further arranged above the screen and on the side wall of the mounting cavity;
An avoiding cavity communicated with the mounting cavity is formed in the annular partition plate, and a wiring cavity is formed between the outside of the annular partition plate and the side wall of the main body.
Preferably, the automatic feeding device further comprises an operation panel, wherein the operation panel is installed on the outer side wall of the main body and is respectively and electrically connected with the blanking regulator, the weighing device and the timer.
Preferably, the material receiving device comprises a material receiving box;
The top of the material receiving box is provided with the material receiving port.
Preferably, the material receiving box further comprises a plurality of moving wheels, and the moving wheels are mounted at the bottom of the material receiving box.
According to the technical scheme, the method has the following advantages:
The sieving stability test device is provided with the blanking regulator to control blanking of the stocker, and compared with the traditional manual operation, the accuracy of blanking control is improved; the concrete material falling on the screen analyzer is automatically weighed according to the predicted time by utilizing the weighing device and the timer, so that the accuracy of the control of the screen analysis time is ensured. In a whole, the technical scheme can be combined with the quality of the falling slurry in the stocker and the quality of the material in the sieving device measured in a preset time period, the obtained slurry sieving index SSI is calculated, the sieving time and the amount of the falling slurry are accurately controlled, the test error is obviously reduced, the test efficiency is improved, and the influence on the uniformity of the test result in manual operation is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a front view of a screen stability test apparatus of the present application;
FIG. 2 is a vertical cross-sectional view of the screen stability test apparatus of the present application;
Fig. 3 is a partial structural view of a blanking regulator of the screen stability test apparatus according to the present application.
Wherein: 1. a blanking device; 11. a material storage cavity; 12. a blanking regulator; 13. a communicating cavity; 2. a screen out device; 21. screening a screen; 22. an annular partition plate; 3. a material receiving device; 31. a moving wheel; 4. an operation panel; 41. a master switch; 42. a standing time setting button; 43. a drop slurry quality setting button; 5. a handle.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the present embodiment provides a sieve analysis stability testing apparatus, which includes a blanking device 1, a sieve analysis device 2, and a receiving device 3;
The blanking device 1 comprises a stocker and a blanking regulator 12;
The blanking regulator 12 is arranged on the stocker and used for controlling the stocker to blank;
The sieving and analyzing device 2 comprises a sieving and analyzing device, a weighing device and a timer;
The feed inlet of the sieving device is communicated with the feed outlet of the material storage device, and the discharge outlet is communicated with the material receiving port of the material receiving device 3;
The weighing device is arranged on the sieving device and electrically connected with the timer and is used for weighing the material quality in the sieving device according to the preset time.
The working process of the sieving stability test device is as follows:
Firstly, concrete mixture is put into a stocker and stands for a period of time, and then according to the preset mass M 1The concrete mixture in the material storage device is smoothly and uniformly led into the screen separator from the material storage device through controlling the discharging regulator 12, and the screen separator is called The weighing machine automatically reads the mass M of the slurry poured into the sieving machine after a preset time period through the timer 2，M2/M1Thus obtaining the slurry sieving index SSI.
The sieving stability test device is provided with the blanking regulator 12 to control blanking of the stocker, and compared with the traditional manual operation, the accuracy of blanking control is improved; the concrete material falling on the screen analyzer is automatically weighed according to the predicted time by utilizing the weighing device and the timer, so that the accuracy of the control of the screen analysis time is ensured. Overall speaking, this technical scheme can combine the quality of whereabouts slurry in the stocker and the quality of the material in the analyzer of predetermineeing the time quantum survey, calculates gained slurry sieving index SSI, and this device easy operation, accurate control time, slurry volume obviously reduce the test error, improve test efficiency, avoid influencing the experimental result uniformity among the manual operation.
Example 2
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Referring to fig. 1 to 3, the present embodiment provides a sieve analysis stability testing apparatus, further, a blanking device 1, a sieve analysis device 2, and a receiving device 3 are sequentially disposed from top to bottom; the screen analysis device 2 is arranged on the receiving device 3, and the blanking device 1 is arranged on the screen analysis device 2.
The arrangement mode of the blanking device 1, the sieving device 2 and the receiving device 3 saves space, is easy to disassemble and assemble and is convenient to move. Furthermore, the blanking device 1, the sieving device 2 and the receiving device 3 can be fixed by a hoop on an arc edge, so that the test process is prevented from loosening, and the test stability of the device is improved. In addition, a handle 5 can be arranged on the sieving device 2, so that the device is convenient to carry.
Further, the blanking regulator 12 includes a driver and a baffle; the baffle is arranged in the stocker along the vertical direction, the interior of the stocker is divided into a sealed storage cavity 11 and a communication cavity 13, and the top of the baffle and the side wall of the storage cavity 11 enclose a feed opening of the stocker; the feed opening of the stocker is communicated with the feed opening of the sieving device through a communicating cavity 13; the driver is connected with the baffle and used for driving the baffle to move.
The blanking device 1 is divided into two parts by the blanking regulator 12, the materials are poured into the communicating cavity 13 through the blanking port at the top of the material storage device and then enter the sieving device, and the baffle plays a role in buffering, so that the materials are poured more stably and uniformly. Furthermore, the baffle plate is highly matched with the material storage device, and can be coated with proper waterproof lubricating oil, so that the lubrication and the sealing performance of a friction surface are ensured, the seepage of concrete slurry is favorably prevented, and the smoothness of a test process is ensured. In addition, the size of the feed opening is controlled by controlling the downward moving stocker, and the feed opening is arranged at the upper part, so that the size of the feed opening determines the amount of the feed, and the control of the feed quality is realized. Of course, the feed opening can also be arranged below, that is, the feed opening is opened through upward movement to realize feeding, and the feed opening needs to be closed in time after the feeding amount is reached. And the judgment of the feeding amount can be realized by adding a liquid level meter and the like for detecting the pulp amount in the stocker. Those skilled in the art can make appropriate changes based on the above without limitation.
Furthermore, the driver is a telescopic push rod and is vertically erected at the top of the stocker. Through flexible push rod drive baffle downstream, the quality and the falling speed of whereabouts material all can realize accurate control, make the test process avoid manual operation's multiple error.
Further, the screen includes a main body and a screen 21; the main body is internally provided with an installation cavity, the top of the main body is provided with a feed port of the screen analyzer communicated with the installation cavity, and the bottom of the main body is provided with a discharge port of the screen analyzer communicated with the installation cavity; the weighing devices are multiple and are arranged in the mounting cavity around the side wall of the mounting cavity; the screen 21 is mounted on a scale.
The screen analyzer is provided with a mounting cavity for fixing the screen 21 and the weighing device, so that the falling slurry is prevented from influencing the test result. The plurality of weighing devices are distributed to improve the measurement accuracy in the test. The screen 21 is stacked on the weighing device, so that the weighing device is prevented from counting the mass of the main body of the screen analyzer, experimental errors are caused, and the screen 21 is convenient to replace. The screen 21 can be replaced according to specific tests, and various pore size test requirements are met.
Further, the bottom of installation cavity is equipped with a plurality of lug portions along the lateral wall, and weighing device erects on lug portion, and forms between a plurality of weighing devices and keeps away the material space.
The weighing device is stacked in the installation cavity through the convex block part to improve the test precision, and meanwhile, the material avoiding space is arranged for the falling of the materials to enable the weighing device not to be influenced by the shell of the device and the materials, so that the test stability is improved.
Further, an annular partition plate 22 is further arranged above the screen 21 and around the mounting cavity; an avoiding cavity communicated with the mounting cavity is formed in the annular partition plate 22, and a wiring cavity is formed between the outside of the annular partition plate 22 and the side wall of the main body.
The wiring cavity can be used for arranging active devices such as a timer and a power supply, and the arrangement of the avoiding cavity and the wiring cavity avoids short circuit possibly caused by splashing when slurry falls.
Further, the automatic material-feeding device also comprises an operation panel 4, wherein the operation panel 4 is arranged on the outer side wall of the sieving device main body and is respectively and electrically connected with the blanking regulator 12, the weighing device and the timer.
The operation panel 4 is used for inputting data and reading data, and is convenient for a tester to check. Further, the operation panel 4 is provided with a display screen, a main switch 41, a rest time setting button 42, and a falling slurry quality setting button 43. A standing time setting button 42 for setting the standing time of the material in the screen and a falling slurry mass setting button 43 for setting the mass M of the falling material in the hopper 1. Specifically, the operation panel 4 has self-checking induction with the stocker and the screen analyzer, and the test can be started only after the induction devices confirm the successful connection, thereby reducing unnecessary waste in the test. The operating panel 4 can automatically combine the mass M of the falling material in the stocker 1And the mass M of the slurry poured into the screen after the preset time 2And calculating the obtained slurry screening index SSI in real time. The time and the size of the slurry are accurately controlled, the test error is reduced, and the test efficiency is improved.
Further, the material receiving device 3 comprises a material receiving box; the top of the material receiving box is provided with a material receiving port. The material receiving box can be easily detached, and waste materials are conveniently treated.
Further, a plurality of moving wheels 31 are included, and the moving wheels 31 are arranged at the bottom of the material receiving box. The movable wheels 31 are arranged to facilitate carrying, placing, loading and unloading of the device, and are suitable for different test sites.
Furthermore, the blanking device 1, the sieving device 2 and the receiving device 3 are preferably made of metal, and the metal material has higher rigidity so as to ensure the test stability. In addition, the device can be made into various shapes according to actual requirements, such as a cube, a cylinder or a cuboid, and the like, and is not limited specifically.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A sieve analysis stability test device is characterized by comprising a blanking device, a sieve analysis device and a receiving device;
The blanking device comprises a material storage device and a blanking regulator;
The blanking regulator is arranged on the stocker and used for controlling the stocker to blank;
The sieving and analyzing device comprises a sieving and analyzing device, a weighing device and a timer;
The feed inlet of the sieving device is communicated with the feed outlet of the material storage device, and the discharge outlet of the sieving device is communicated with the material receiving port of the material receiving device;
The weighing device is arranged on the sieving device, is electrically connected with the timer and is used for weighing the mass of the materials in the sieving device according to preset time.
2. The screen analysis stability test device according to claim 1, wherein the blanking device, the screen analysis device and the receiving device are sequentially arranged from top to bottom;
The screen analysis device is arranged on the material receiving device;
The blanking device is arranged on the sieving device.
3. The screen analysis stability test apparatus according to claim 1, wherein the blanking adjuster includes a driver and a baffle;
The baffle is arranged in the material storage device along the vertical direction, the material storage device is divided into a sealed material storage cavity and a communication cavity, and the top of the baffle and the side wall of the material storage cavity enclose the feed opening;
The feed opening is communicated with the feed opening through the communicating cavity;
The driver is connected with the baffle and used for driving the baffle to move.
4. The screen analysis stability test apparatus of claim 3, wherein the driver is a telescopic ram, vertically mounted on the top of the hopper.
5. The screen stability test apparatus according to claim 1, wherein the screen includes a main body and a screen;
The main body is internally provided with an installation cavity, the top of the main body is provided with the feed inlet communicated with the installation cavity, and the bottom of the main body is provided with the discharge outlet communicated with the installation cavity;
The weighing devices are arranged in the mounting cavity around the side wall of the mounting cavity;
The screen is mounted on the weigher.
6. The device for testing the sifting stability of claim 5, wherein a plurality of protruding portions are arranged at the bottom of the installation cavity along the side wall, the weighing devices are erected on the protruding portions, and material avoiding spaces are formed among the weighing devices.
7. The device for testing the screen analysis stability of claim 5, wherein an annular partition plate is further arranged on the side wall of the mounting cavity above the screen;
An avoiding cavity communicated with the mounting cavity is formed in the annular partition plate, and a wiring cavity is formed between the outside of the annular partition plate and the side wall of the main body.
8. The screen analysis stability test device of claim 5, further comprising an operation panel mounted on the outer side wall of the main body and electrically connected with the blanking regulator, the weigher and the timer, respectively.
9. The screen analysis stability test device according to claim 1, wherein the receiving device comprises a receiving box;
The top of the material receiving box is provided with the material receiving port.
10. The screen analysis stability test device of claim 9, further comprising a plurality of moving wheels, wherein a plurality of the moving wheels are mounted at the bottom of the material receiving box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020188262.6U CN211147817U (en) | 2020-02-20 | 2020-02-20 | Sieve analysis stability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020188262.6U CN211147817U (en) | 2020-02-20 | 2020-02-20 | Sieve analysis stability test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211147817U true CN211147817U (en) | 2020-07-31 |
Family
ID=71756711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020188262.6U Expired - Fee Related CN211147817U (en) | 2020-02-20 | 2020-02-20 | Sieve analysis stability test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211147817U (en) |
-
2020
- 2020-02-20 CN CN202020188262.6U patent/CN211147817U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |