CN109164021A - A kind of concrete mechanism sand grains shape content on-line measuring device and method - Google Patents
A kind of concrete mechanism sand grains shape content on-line measuring device and method Download PDFInfo
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- CN109164021A CN109164021A CN201811028335.9A CN201811028335A CN109164021A CN 109164021 A CN109164021 A CN 109164021A CN 201811028335 A CN201811028335 A CN 201811028335A CN 109164021 A CN109164021 A CN 109164021A
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- 239000004576 sand Substances 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 239000006185 dispersion Substances 0.000 claims abstract description 15
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000005303 weighing Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 21
- 238000010191 image analysis Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 238000010998 test method Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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Abstract
A kind of concrete mechanism sand grains shape content on-line measuring device and method, step 1: image acquisition device carries out Image Acquisition and obtains to stack aggregate image to the Machine-made Sand in hopper, and detection analysis instrument carries out geometrical Characteristics Analysis and export to stack aggregate size particle shape analysis result to aggregate image is stacked；Step 2: control module is connected separately with the sampling module, Weighing module, irradiation modules and sorting module；Machine-made Sand is dropped out from the blanking of multilayer baffling dispersion pipe opening one by one；Step 3: image acquisition device carries out Image Acquisition to the Machine-made Sand fallen one by one from multilayer baffling dispersion pipe and obtains whereabouts aggregate image, and the information such as particle shape partial size of automatic measurement return mechanisms sand sample product；Step 4: detection analysis instrument carries out geometrical Characteristics Analysis to whereabouts aggregate image and output drop aggregate size particle shape analyzes result；The on-line measuring device and online test method, strong applicability, while effectively avoidance mechanism sand grains path quality it is unqualified caused by economic loss.
Description
Technical field
The present invention relates to a kind of concrete mechanism sand grains shape content on-line measuring device and method, specifically a kind of concrete
Machine-made Sand particle shape content on-line measuring device and method, belong to concrete material technical field.
Background technique
Main materials of the Machine-made Sand (or be aggregate) as asphalt and cement concrete, account for volume of concrete with
75% or more of quality, characteristic have important shadow to the mechanical property and durability of rheological property of concrete, maturing
It rings, in general, natural sand surface is smooth, and particle is mellow and full；And Machine-made Sand is formed by natural rock through Mechanical Crushing, with natural sand
Compare, rough, corner angle are more, these characteristics determine machine-made sand concrete performance and natural sand concrete exist compared with
Big difference.When using grain shape is poor, Machine-made Sand concrete batching more than corner angle when, need to improve gel material content to guarantee
Concrete has good workability.Kosmatka et al. thinks influence of the grain shape to fresh mixing concrete property of fine aggregate
Greatly.
The granularity particle shape detection mode of Machine-made Sand used by the prior art, is required to first sample Machine-made Sand, and
Afterwards sample test and analyze by grain, and mechanism fineness of sand, particle shape cannot detect simultaneously.This detection mode efficiency compared with
It is low, it is unfavorable for the automation of Machine-made Sand production.Still lack it is a kind of can be completed at the same time mechanism fineness of sand, particle shape detection it is online from
Motion detection device.
Important materials of the concrete as basic facility and urban construction, play to pass the infrastructure construction in China
Important role.And Machine-made Sand is the main component of concrete, the performance of concrete and the quality of Machine-made Sand have very big relationship.
The particle shape of Machine-made Sand, partial size, gradation be poor, porosity, sphericity, circularity etc. can all influence the quality of concrete.
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides a kind of concrete mechanism sand grains shape content on-line checkings
Device and method, the on-line measuring device and online test method, it can be achieved that mechanism fineness of sand and particle shape quick online detection,
Operation is simple, strong applicability, and aggregate can be made to have preferable dispersibility when entering measured zone, reduce the difficulty of image analysis
Degree, image procossing and parser are simple, and hardware realization is easy, and convenient for promoting, while effective avoidance mechanism sand grains path quality is not
Economic loss caused by qualification.
To achieve the goals above, the technical solution adopted by the present invention is that: a kind of concrete mechanism sand grains shape content is online
Detection device and method, which comprises the following steps:
Step 1: image acquisition device carries out Image Acquisition and obtains to stack aggregate image to the Machine-made Sand in hopper, detection
Analyzer carries out geometrical Characteristics Analysis and exports to stack aggregate size particle shape analysis result to the stacking aggregate image；
Step 2: control module and the sampling module, Weighing module, irradiation modules and sorting module difference signal connect
It connects；Machine-made Sand is dropped out from the blanking of multilayer baffling dispersion pipe opening one by one；
Step 3: image acquisition device carries out Image Acquisition to the Machine-made Sand fallen one by one from multilayer baffling dispersion pipe and obtains
Whereabouts aggregate image passes sequentially through downwards Weighing module, drying along aggregate transmission module after sampling module securing mechanism sand sample product
Module, dispersed modules, Image Acquisition analysis module and recycling module, and the particle shape partial size etc. of automatic measurement return mechanisms sand sample product
Information；
Step 4: detection analysis instrument carries out geometrical Characteristics Analysis and output drop aggregate size to the whereabouts aggregate image
Particle shape analysis is as a result, define irregular Machine-made Sand with the maximum ratio with minimum dimension of the three-dimensional of Machine-made Sand.
The step 2 image capture module, including the first image acquisition device of the glass plate is arranged in, setting exists
The first backlight below the glass plate, is arranged at this first camera bellows for covering first image acquisition device and the first backlight
Second image acquisition device of multilayer baffling dispersion pipe blanking opening lower right, setting are open in the multilayer baffling dispersion pipe blanking
Second backlight of lower left, the second camera bellows for covering second image acquisition device and the second backlight；
Described first image acquisition device and the second image acquisition device communication connection detection analysis instrument, for by this first
The whereabouts aggregate image progress geometrical characteristic point for stacking aggregate image and the acquisition of the second image acquisition device of image acquisition device acquisition
It analyses and exports the granularity particle shape analysis result for stacking aggregate and whereabouts aggregate；
The step 2 irradiation modules are the panel heater for being set to the Weighing module scale pan；
The step 3 aggregate delivery module, including glass plate, loading hopper, vibrator and Sampling Machine, the glass plate are big
Body is horizontally disposed, and the upper surface of the glass plate is transversely equipped with hopper, which is located above the hopper transverse direction one end simultaneously
And below the belt, the Sampling Machine is for the Machine-made Sand on the belt to be swept into the loading hopper, in the loading hopper
Machine-made Sand can drop into the hopper one end, which forms discharge port in the glass plate side, which can drive
The glass panel vibration is so that Machine-made Sand is walked from hopper one end to the hopper other end.
The on-line measuring device and online test method, it can be achieved that mechanism fineness of sand and particle shape quick online detection, behaviour
Make simple, strong applicability, can make aggregate that there is preferable dispersibility when entering measured zone, reduce the difficulty of image analysis
Degree, image procossing and parser are simple, and hardware realization is easy, and convenient for promoting, while effective avoidance mechanism sand grains path quality is not
Economic loss caused by qualification.
Specific embodiment
A kind of concrete mechanism sand grains shape content on-line measuring device and method, comprising the following steps:
Step 1: image acquisition device carries out Image Acquisition and obtains to stack aggregate image to the Machine-made Sand in hopper, detection
Analyzer carries out geometrical Characteristics Analysis and exports to stack aggregate size particle shape analysis result to the stacking aggregate image；
Step 2: control module and the sampling module, Weighing module, irradiation modules and sorting module difference signal connect
It connects；Machine-made Sand is dropped out from the blanking of multilayer baffling dispersion pipe opening one by one；
Step 3: image acquisition device carries out Image Acquisition to the Machine-made Sand fallen one by one from multilayer baffling dispersion pipe and obtains
Whereabouts aggregate image passes sequentially through downwards Weighing module, drying along aggregate transmission module after sampling module securing mechanism sand sample product
Module, dispersed modules, Image Acquisition analysis module and recycling module, and the particle shape partial size etc. of automatic measurement return mechanisms sand sample product
Information；
Step 4: detection analysis instrument carries out geometrical Characteristics Analysis and output drop aggregate size to the whereabouts aggregate image
Particle shape analysis is as a result, define irregular Machine-made Sand with the maximum ratio with minimum dimension of the three-dimensional of Machine-made Sand.
The step 2 image capture module, including the first image acquisition device of the glass plate is arranged in, setting exists
The first backlight below the glass plate, is arranged at this first camera bellows for covering first image acquisition device and the first backlight
Second image acquisition device of multilayer baffling dispersion pipe blanking opening lower right, setting are open in the multilayer baffling dispersion pipe blanking
Second backlight of lower left, the second camera bellows for covering second image acquisition device and the second backlight；
Described first image acquisition device and the second image acquisition device communication connection detection analysis instrument, for by this first
The whereabouts aggregate image progress geometrical characteristic point for stacking aggregate image and the acquisition of the second image acquisition device of image acquisition device acquisition
It analyses and exports the granularity particle shape analysis result for stacking aggregate and whereabouts aggregate；
The step 2 irradiation modules are the panel heater for being set to the Weighing module scale pan；
The step 3 aggregate delivery module, including glass plate, loading hopper, vibrator and Sampling Machine, the glass plate are big
Body is horizontally disposed, and the upper surface of the glass plate is transversely equipped with hopper, which is located above the hopper transverse direction one end simultaneously
And below the belt, the Sampling Machine is for the Machine-made Sand on the belt to be swept into the loading hopper, in the loading hopper
Machine-made Sand can drop into the hopper one end, which forms discharge port in the glass plate side, which can drive
The glass panel vibration is so that Machine-made Sand is walked from hopper one end to the hopper other end.
The invented technology is carried out Image Acquisition and obtained to stack aggregate figure by image acquisition device to the Machine-made Sand in hopper
Picture, detection analysis instrument to stack aggregate image carry out geometrical Characteristics Analysis and export stack aggregate size particle shape analysis as a result, through
Control module is connected separately with the sampling module, Weighing module, irradiation modules and sorting module, and Machine-made Sand is one by one from more
Layer baffling dispersion pipe blanking opening drops out, by image acquisition device to from the Machine-made Sand that multilayer baffling dispersion pipe is fallen one by one into
Row Image Acquisition simultaneously obtains whereabouts aggregate image, and the information such as particle shape partial size of automatic measurement return mechanisms sand sample product, is passing through
Detection analysis instrument carries out geometrical Characteristics Analysis to whereabouts aggregate image and output drop aggregate size particle shape analyzes result.
The on-line measuring device and online test method, it can be achieved that mechanism fineness of sand and particle shape quick online detection, behaviour
Make simple, strong applicability, can make aggregate that there is preferable dispersibility when entering measured zone, reduce the difficulty of image analysis
Degree, image procossing and parser are simple, and hardware realization is easy, and convenient for promoting, while effective avoidance mechanism sand grains path quality is not
Economic loss caused by qualification.
Claims (4)
1. a kind of concrete mechanism sand grains shape content on-line measuring device and method, which comprises the steps of:
Step 1: image acquisition device carries out Image Acquisition and obtains to stack aggregate image to the Machine-made Sand in hopper, tests and analyzes
Instrument carries out geometrical Characteristics Analysis and exports to stack aggregate size particle shape analysis result to the stacking aggregate image；
Step 2: control module is connected separately with the sampling module, Weighing module, irradiation modules and sorting module；Machine
Sand processed is dropped out from the blanking of multilayer baffling dispersion pipe opening one by one；
Step 3: image acquisition device carries out Image Acquisition to the Machine-made Sand fallen one by one from multilayer baffling dispersion pipe and is fallen
Aggregate image, after sampling module securing mechanism sand sample product along aggregate transmission module pass sequentially through downwards Weighing module, irradiation modules,
Dispersed modules, Image Acquisition analysis module and recycling module, and the information such as particle shape partial size of automatic measurement return mechanisms sand sample product；
Step 4: detection analysis instrument carries out geometrical Characteristics Analysis and output drop aggregate size particle shape to the whereabouts aggregate image
Analysis is as a result, define irregular Machine-made Sand with the maximum ratio with minimum dimension of the three-dimensional of Machine-made Sand.
2. a kind of concrete mechanism sand grains shape content on-line measuring device according to claim 1 and method, feature exist
In the step 2 image capture module, including the first image acquisition device of the glass plate is arranged in, is arranged in the glass
The first backlight below plate, the first camera bellows for covering first image acquisition device and the first backlight, setting are rolled in the multilayer
Second image acquisition device of flow point separate tube blanking opening lower right, setting are left below multilayer baffling dispersion pipe blanking opening
Second backlight of side, the second camera bellows for covering second image acquisition device and the second backlight；
The detection analysis instrument of described first image acquisition device and the communication connection of the second image acquisition device, is used for first image
The whereabouts aggregate image that aggregate image and the second image acquisition device acquire that stacks of collector acquisition carries out geometrical Characteristics Analysis simultaneously
Output stacks aggregate and the granularity particle shape of whereabouts aggregate analyzes result.
3. a kind of concrete mechanism sand grains shape content on-line measuring device according to claim 1 and method, feature exist
In the step 2 irradiation modules are the panel heater for being set to the Weighing module scale pan.
4. a kind of concrete mechanism sand grains shape content on-line measuring device according to claim 1 and method, feature exist
In, the step 3 aggregate delivery module, including glass plate, loading hopper, vibrator and Sampling Machine, the glass plate general horizontal
Setting, the upper surface of the glass plate are transversely equipped with hopper, which is located above the hopper transverse direction one end and at this
Below belt, the Sampling Machine is for the Machine-made Sand on the belt to be swept into the loading hopper, the Machine-made Sand in the loading hopper
The hopper one end can be dropped into, which forms discharge port in the glass plate side, which can drive the glass
Panel vibration is so that Machine-made Sand is walked from hopper one end to the hopper other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028335.9A CN109164021A (en) | 2018-09-04 | 2018-09-04 | A kind of concrete mechanism sand grains shape content on-line measuring device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811028335.9A CN109164021A (en) | 2018-09-04 | 2018-09-04 | A kind of concrete mechanism sand grains shape content on-line measuring device and method |
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| CN109164021A true CN109164021A (en) | 2019-01-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068518A (en) * | 2019-05-10 | 2019-07-30 | 华侨大学 | Machine-made Sand quality detection apparatus and its detection method |
| CN117491228A (en) * | 2023-12-29 | 2024-02-02 | 三一重型装备有限公司 | Aggregate detecting system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1110087A (en) * | 1997-06-23 | 1999-01-19 | Kobe Steel Ltd | Automatic particle size measuring device for sand |
| CN103063558A (en) * | 2012-11-16 | 2013-04-24 | 重庆大学 | Machine-made particle-shaped evaluation method |
| CN103512835A (en) * | 2013-10-17 | 2014-01-15 | 新疆天山水泥股份有限公司 | Concrete machine-made sand irregular particle shape content determining method and device |
| CN107727540A (en) * | 2017-10-27 | 2018-02-23 | 华侨大学 | A kind of Machine-made Sand on-line measuring device and online test method |
| CN107941663A (en) * | 2017-11-27 | 2018-04-20 | 华侨大学 | Machine-made Sand on-line measuring device and method |
-
2018
- 2018-09-04 CN CN201811028335.9A patent/CN109164021A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1110087A (en) * | 1997-06-23 | 1999-01-19 | Kobe Steel Ltd | Automatic particle size measuring device for sand |
| CN103063558A (en) * | 2012-11-16 | 2013-04-24 | 重庆大学 | Machine-made particle-shaped evaluation method |
| CN103512835A (en) * | 2013-10-17 | 2014-01-15 | 新疆天山水泥股份有限公司 | Concrete machine-made sand irregular particle shape content determining method and device |
| CN107727540A (en) * | 2017-10-27 | 2018-02-23 | 华侨大学 | A kind of Machine-made Sand on-line measuring device and online test method |
| CN107941663A (en) * | 2017-11-27 | 2018-04-20 | 华侨大学 | Machine-made Sand on-line measuring device and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068518A (en) * | 2019-05-10 | 2019-07-30 | 华侨大学 | Machine-made Sand quality detection apparatus and its detection method |
| CN117491228A (en) * | 2023-12-29 | 2024-02-02 | 三一重型装备有限公司 | Aggregate detecting system |
| CN117491228B (en) * | 2023-12-29 | 2024-03-19 | 三一重型装备有限公司 | Aggregate detecting system |
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Application publication date: 20190108 |
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