CN106289681A - The assay device of analog band back taper silo discharging - Google Patents
The assay device of analog band back taper silo discharging Download PDFInfo
- Publication number
- CN106289681A CN106289681A CN201610673891.6A CN201610673891A CN106289681A CN 106289681 A CN106289681 A CN 106289681A CN 201610673891 A CN201610673891 A CN 201610673891A CN 106289681 A CN106289681 A CN 106289681A
- Authority
- CN
- China
- Prior art keywords
- silo
- back taper
- band back
- strain
- bin stock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
Abstract
The invention discloses the assay device of a kind of analog band back taper silo discharging, including band back taper silo, test bin stock, silo support, bin stock retracting device, strain testing instrument, data processing equipment, high-speed photography machine support, high-speed motion picture camera, some baffle plates, some strain pressure transducers.Described band back taper silo bottom belt has circular cone and is fixed on silo support, some discharge ports are set on circular cone, baffle plate is fixed on discharge port, strain pressure transducer is located on circular cone and silo inwall, and is connected with the input of strain testing instrument, and the outfan of strain testing instrument is connected with data processing equipment, bin stock retracting device is positioned at below discharge port, for recovery test bin stock, test bin stock is filled in band back taper silo, and high-speed motion picture camera is fixed with silo support by high-speed photography machine support.The present invention can gather the bin stock fluidised form in band back taper silo, obtains silo bulkhead and the ultra-pressure factor of circular cone pressure in discharge process, for instructing the design of band inversed conical drum chamber structure.
Description
Technical field
The invention belongs to silo structure detection and design field, the test dress of a kind of analog band back taper silo discharging
Put.
Background technology
In recent years, due to the advance of base structure, band inversed conical drum chamber structure is led in cement industry field and silo agricultural
Territory is widely applied.But band inversed conical drum chamber structure stress is complicated, in discharge process, dynamic action effect is obvious, bin stock
The pressure of silo structure there is bigger difference with tradition flat bottom silo.
The Design of Silo standard of existing comparative maturity includes: European Union EN1991-4(2006) standard and Germany DIN
1055-6 standard.The design principle that we use in daily design is normally based on national standard, and " reinforced concrete silo sets
Meter specification " (GB-50077-2003) and " silo structure design manual ", combine both the above according to project specific requirement simultaneously
External silo standard is designed, but the structure to band back taper silo in each specification designs the most not to be expressly provided and instruct.
Owing to depositing difficulty in design, the most often there is structural deterioration in existing band inversed conical drum chamber structure
Or the problems such as reinforcing bar waste.
Summary of the invention
It is an object of the invention to provide the assay device of a kind of analog band back taper silo discharging, can be the most right
Flow regime with the bin stock in back taper silo is acquired, it is also possible to obtain silo bulkhead and back taper pressure in discharge process
Ultra-pressure factor, finds structure most unfavorable combination, for instructing the design of band inversed conical drum chamber structure.
The technical solution realizing the object of the invention is: the assay device of a kind of analog band back taper silo discharging, including
Band back taper silo, test bin stock, silo support, bin stock retracting device, strain testing instrument, data processing equipment, high-speed motion picture camera
Support, high-speed motion picture camera, several baffle plates, several first strain pressure transducers and several the second strain-type pressure pass
Sensor.
The bottom of described band back taper silo, with circular cone, is fixed on bottom it on silo support, if being uniformly distributed on described circular cone
Dry discharge port, baffle plate is fixed on discharge port, controls baffle plate by electromagnetic valve and opens downwards, circular cone is uniformly distributed several
First strain pressure transducer, described first strain pressure transducer is positioned at above discharge port, and is positioned at band back taper silo
In；Bin stock retracting device is positioned at below discharge port, for recovery test bin stock；Band back taper silo inwall be provided with several second should
Variant pressure transducer, test bin stock be filled in band back taper silo, the input of strain testing instrument respectively with the first strain-type
Pressure transducer and the second strain pressure transducer connect, and outfan is connected with data processing equipment, and high-speed motion picture camera is arranged
At the outer wall of band back taper silo, and fixed with silo support by high-speed photography machine support, it is simple to examination in observation band back taper silo
Test the fluidised form of bin stock.
Described band back taper silo uses transparent material.
Upwards, and circle element of a cone and horizontal plane angle are 60 degree to the conical tip of described band back taper silo.
Described discharge port is 6.
Described discharge port size is identical, and along the circumferencial direction distribution of circular cone.
Described silo support is provided with a circle endless glide, and high-speed photography machine support is connected with described endless glide so that
High-speed photography machine support can rotate around band back taper silo.
Arranging a circle endless glide on the ground, high-speed photography machine support can also be connected with described endless glide so that
High-speed photography machine support can rotate around band back taper silo.
The present invention compared with prior art, its remarkable advantage:
(1) dynamic pressure of bulkhead and back taper can be monitored, for instructing the design of band inversed conical drum chamber structure.
(2) back taper part has several discharge ports, and test can be by opening diverse location and different number of discharging
The existing different discharging pattern of cause for gossip.
(3) band back taper silo uses transparent material, it is simple to observes fluidised form, gather position variation.
(4) band back taper silo discharging test the most just can be carried out, it is to avoid can run in engineering site experiment
All difficulties.
(5) Test Data Collecting automatization, error is little.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the assay device of analog band back taper silo discharging of the present invention.
Fig. 2 is the bottom surface upward view of the band back taper silo of the assay device of analog band back taper silo discharging of the present invention.
Fig. 3 is the sectional view of the circular cone of the band back taper silo of the assay device of analog band back taper silo discharging of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
In conjunction with Fig. 1, the assay device of a kind of analog band back taper silo discharging, including band back taper silo 1, test bin stock 4(city
Purchase), silo support 5, bin stock retracting device 6, instrument 8(is commercial for strain testing), data processing equipment 9(use PC, commercial), high
Camera stand 10, high-speed motion picture camera 11(are commercial for speed), several baffle plates 3, several the first strain pressure transducer 7(cities
Purchase) and several second strain pressure transducers 2(commercial).
The bottom of described band back taper silo 1, with circular cone, is fixed on bottom it on silo support 5, described circular cone is uniformly distributed
Several discharge ports 12, baffle plate 3 is fixed on discharge port 12, controls baffle plate 3 by electromagnetic valve and opens downwards, and test can be passed through
Open diverse location and different number of discharge port 12 realizes different discharging patterns.Be uniformly distributed on circular cone several first should
Variant pressure transducer 7, described first strain pressure transducer 7 is positioned at above discharge port 12, and is positioned at band back taper silo 1
In.Bin stock retracting device 6 is positioned at below discharge port 12, for recovery test bin stock 4.Band back taper silo 1 inwall is provided with several
Second strain pressure transducer 2, test bin stock 4 be filled in band back taper silo 1, the input of strain testing instrument 8 respectively with
First strain pressure transducer 7 and the second strain pressure transducer 2 connect, and outfan is connected with data processing equipment 9, high
Speed camera 11 is arranged on the outer wall of band back taper silo 1, and is fixed with silo support 5 by high-speed photography machine support 10, it is simple to
The fluidised form of test bin stock 4 in observation band back taper silo 1.
Further, described band back taper silo 1 uses transparent material.
Further, upwards, and circle element of a cone and horizontal plane angle are 60 to the conical tip of described band back taper silo 1
Degree.
In conjunction with Fig. 2, further, described discharge port (12) is 6, and size is identical, and along the circumferencial direction distribution of circular cone.
Further, described silo support 5 is provided with a circle endless glide, and high-speed photography machine support 10 is sliding with described annular
The slide block of rail is connected so that high-speed photography machine support 10 can rotate around band back taper silo 1.One circle also can be set on the ground
Endless glide, high-speed photography machine support 10 is connected with the slide block of described endless glide so that high-speed photography machine support 10 can be around
Band back taper silo 1 to rotate.
Further, described bin stock retracting device 6 is used for collecting test bin stock, can be selected for recycling bin, collection box etc..
Further, described data processing equipment 9 be used for gathering and process the first strain pressure transducer 7 and second should
The pressure data that the dynamometry that variant pressure transducer 2 records records, can be selected for PC or storage card etc. and (utilizes dh3816n static state to answer
Become test system processes data).
Work process is as follows:
After selected discharge way, adjust high-speed photography machine support 10 and the position of high-speed motion picture camera 11, fix and open electricity
Source preparation is photographed.Opening strain testing instrument 8 and the power supply of data processing equipment 9, the first strain pressure transducer 7 and second should
Variant pressure transducer 2 loads test bin stock 4 after returning to zero respectively in band back taper silo 1, opens the switch of corresponding baffle plate 3
Valve, discharging starts, and high-speed motion picture camera 11 gathers image information, and data processing equipment 9 collection processes test data.
Embodiment 1:
Band back taper silo 1 bulkhead internal diameter 400mm, high 1000mm, silo ratio of height to diameter 2.4, wall thickness 10mm, the bottom surface external diameter of circular cone
360mm, wall thickness 8mm, discharge port 12 diameter 50mm, discharge port 12 center and conical base distance 70mm, the first strain-type pressure
Sensor 7 is identical with the parameter of the second strain pressure transducer 2, diameter 20mm, thickness 5mm.Unload individually opening in Fig. 20 °
As a example by material this discharging pattern of mouth 12, circular cone is respectively at 0 ° (near-end), 60 °, 180 ° (far-end) this three row laying first strain-type
Pressure transducer 7, as it is shown on figure 3, the first strain pressure transducer 7 be respectively provided at the distance with conical tip B be 60mm,
At 160mm, 260mm, circular cone is provided with 9 the first strain pressure transducers 7 altogether.Accordingly, the inwall of band back taper silo 1 is also
At 0 ° (near-end), 60 °, 180 ° (far-end) this three row laying second strain pressure transducer 2, from the inwall of band back taper silo 1
Bottom starts, and arranges second strain pressure transducer 2 every 150mm, and string is provided with 7 the second strain-type pressure sensings
Device 2, is provided with 21 the second strain pressure transducers 2 altogether.Band back taper silo 1 uses transparent organic glass.
The position adjusting high-speed photography machine support 10 and high-speed motion picture camera 11 makes 0 ° of this string of itself and band back taper silo 1
Vertically, fix and turn on the power preparation photography.Open strain testing instrument 8 and the power supply of data processing equipment 9, strain-type pressure
Load band back taper silo 1 in after sensor 7 zeroing and test bin stock 4, open opening of the baffle plate 3 of 0 ° of discharge port 12 correspondence in Fig. 2
Closing valve, discharging starts, and high-speed motion picture camera 11 gathers image information, and data processing equipment 9 collection processes test data.
In sum, the flow regime of the bin stock in band back taper silo can be acquired by the present invention quickly,
Silo bulkhead and the ultra-pressure factor of back taper pressure in discharge process can also be obtained, find structure most unfavorable combination, be used for instructing
Design with inversed conical drum chamber structure.
Claims (7)
1. the assay device of an analog band back taper silo discharging, it is characterised in that: include band back taper silo (1), test bin stock
(4), silo support (5), bin stock retracting device (6), strain testing instrument (8), data processing equipment (9), high-speed photography machine support
(10), high-speed motion picture camera (11), several baffle plates (3), several first strain pressure transducers (7) and several second should
Variant pressure transducer (2)；The bottom of described band back taper silo (1), with circular cone, is fixed on bottom it on silo support (5),
Being uniformly distributed several discharge ports (12) on described circular cone, baffle plate (3) is fixed on discharge port (12), controls gear by electromagnetic valve
Plate (3) is opened downwards, and circular cone is uniformly distributed several the first strain pressure transducers (7), described first strain-type pressure
Sensor (7) is positioned at discharge port (12) top, and is positioned at band back taper silo (1)；Bin stock retracting device (6) is positioned at discharge port
(12) lower section, for recovery test bin stock (4)；Band back taper silo (1) inwall is provided with several the second strain pressure transducers
(2), in test bin stock (4) is filled in band back taper silo (1), the input of strain testing instrument (8) respectively with the first strain-type pressure
Force transducer (7) and the second strain pressure transducer (2) connect, and outfan is connected with data processing equipment (9), high-speed photography
Machine (11) is arranged on the outer wall of band back taper silo (1), and is fixed with silo support (5) by high-speed photography machine support (10), just
The fluidised form of bin stock (4) is tested in observation band back taper silo (1).
The assay device of analog band back taper silo discharging the most according to claim 1, it is characterised in that: described band inversed conical drum
Storehouse (1) uses transparent material.
The assay device of analog band back taper silo discharging the most according to claim 1, it is characterised in that: described band inversed conical drum
Upwards, and circle element of a cone and horizontal plane angle are 60 degree to the conical tip in storehouse (1).
The assay device of analog band back taper silo discharging the most according to claim 1, it is characterised in that: described discharge port
(12) it is 6.
The assay device of analog band back taper silo discharging the most according to claim 4, it is characterised in that: described discharge port
(12) size is identical, and along the circumferencial direction distribution of circular cone.
The assay device of analog band back taper silo discharging the most according to claim 1, it is characterised in that: described silo support
(5) being provided with a circle endless glide, high-speed photography machine support (10) is connected with described endless glide so that high-speed photography machine support
(10) can rotate around band back taper silo (1).
The assay device of analog band back taper silo discharging the most according to claim 1, it is characterised in that: arrange on the ground
One circle endless glide, high-speed photography machine support (10) can also be connected with described endless glide so that high-speed photography machine support
(10) can rotate around band back taper silo (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610673891.6A CN106289681B (en) | 2016-08-16 | 2016-08-16 | Simulate the experimental rig with back taper silo discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610673891.6A CN106289681B (en) | 2016-08-16 | 2016-08-16 | Simulate the experimental rig with back taper silo discharging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106289681A true CN106289681A (en) | 2017-01-04 |
| CN106289681B CN106289681B (en) | 2019-02-22 |
Family
ID=57671620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610673891.6A Expired - Fee Related CN106289681B (en) | 2016-08-16 | 2016-08-16 | Simulate the experimental rig with back taper silo discharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106289681B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525618A (en) * | 2017-10-25 | 2017-12-29 | 国电科学技术研究院 | A kind of solid particle material determines device and assay method to the active force of silo |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008016960U1 (en) * | 2008-12-20 | 2009-03-12 | Strauss, Thomas | silo |
| CN101718657A (en) * | 2009-10-29 | 2010-06-02 | 河南工业大学 | Test device for exerting uniformly-distributed area loads on inner wall of silo structure |
| CN101788349A (en) * | 2010-01-27 | 2010-07-28 | 大连理工大学 | Device for testing pressure on side wall of granular media |
| CN201964938U (en) * | 2010-12-09 | 2011-09-07 | 余姚市通用仪表有限公司 | Automatic metering device for loading and unloading storage bin |
| CN103194555A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | System for researching material distribution rule of furnace top equipment |
| CN105606286A (en) * | 2016-03-14 | 2016-05-25 | 山东华建仓储装备科技有限公司 | Large warehousing equipment material pressure test method and large warehousing equipment |
-
2016
- 2016-08-16 CN CN201610673891.6A patent/CN106289681B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008016960U1 (en) * | 2008-12-20 | 2009-03-12 | Strauss, Thomas | silo |
| CN101718657A (en) * | 2009-10-29 | 2010-06-02 | 河南工业大学 | Test device for exerting uniformly-distributed area loads on inner wall of silo structure |
| CN101788349A (en) * | 2010-01-27 | 2010-07-28 | 大连理工大学 | Device for testing pressure on side wall of granular media |
| CN201964938U (en) * | 2010-12-09 | 2011-09-07 | 余姚市通用仪表有限公司 | Automatic metering device for loading and unloading storage bin |
| CN103194555A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | System for researching material distribution rule of furnace top equipment |
| CN105606286A (en) * | 2016-03-14 | 2016-05-25 | 山东华建仓储装备科技有限公司 | Large warehousing equipment material pressure test method and large warehousing equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525618A (en) * | 2017-10-25 | 2017-12-29 | 国电科学技术研究院 | A kind of solid particle material determines device and assay method to the active force of silo |
| CN107525618B (en) * | 2017-10-25 | 2023-09-01 | 国家能源集团科学技术研究院有限公司 | Device and method for measuring acting force of solid particle material on silo |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106289681B (en) | 2019-02-22 |
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Granted publication date: 20190222 Termination date: 20200816 |