CN106289681B - Simulate the experimental rig with back taper silo discharging - Google Patents
Simulate the experimental rig with back taper silo discharging Download PDFInfo
- Publication number
- CN106289681B CN106289681B CN201610673891.6A CN201610673891A CN106289681B CN 106289681 B CN106289681 B CN 106289681B CN 201610673891 A CN201610673891 A CN 201610673891A CN 106289681 B CN106289681 B CN 106289681B
- Authority
- CN
- China
- Prior art keywords
- silo
- back taper
- strain
- bin stock
- taper silo
- 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.)
- Expired - Fee Related
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of experimental rig of the simulation with back taper silo discharging, including band back taper silo, test bin stock, silo bracket, bin stock recyclable device, strain testing instrument, data processing equipment, high-speed photography machine support, high-speed motion picture camera, several baffles, several strain pressure transducers.The band inversed conical drum orlop portion is with circular cone and is fixed on silo bracket, several discharge ports are set on circular cone, baffle is fixed on discharge port, strain pressure transducer is located on circular cone and silo inner wall, and is connect with the input terminal of strain testing instrument, and the output end of strain testing instrument is connect with data processing equipment, bin stock recyclable device is located at below discharge port, for recovery test bin stock, tests bin stock and be filled in band back taper silo, high-speed motion picture camera is fixed by high-speed photography machine support and silo bracket.The present invention can be acquired with the bin stock fluidised form in back taper silo, obtain the ultra-pressure factor of silo bulkhead and circular cone pressure in discharge process, for instructing the design with back taper silo structure.
Description
Technical field
The invention belongs to silo structure detection and design field, test dress of especially a kind of simulation with back taper silo discharging
It sets.
Background technique
In recent years, due to the advance of base structure, band back taper silo structure is led in cement industry field and silo agricultural
It is widely applied in domain.However it is complicated with back taper silo structure stress, dynamic action effect is obvious in discharge process, bin stock
Pressure and traditional flat bottom silo to silo structure have larger difference.
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 is set
Meter specification " (GB-50077-2003) and " silo structure design manual ", while according to project specific requirement combination both the above
External silo standard is designed, but to the structure design with back taper silo without explicit stipulation and guidance in each specification.
Due to depositing difficulty in design, existing band back taper silo structure often will appear structure destruction in use
Or the problems such as reinforcing bar waste.
Summary of the invention
The purpose of the present invention is to provide a kind of experimental rig of the simulation with back taper silo discharging, can be quickly right
Flow regime with the bin stock in back taper silo is acquired, and can also obtain silo bulkhead and back taper pressure in discharge process
Ultra-pressure factor finds structure most unfavorable combination, for instructing the design with back taper silo structure.
The technical solution for realizing the aim of the invention is as follows: a kind of experimental rig of the simulation with back taper silo discharging, including
Band back taper silo, test bin stock, silo bracket, bin stock recyclable device, strain testing instrument, data processing equipment, high-speed motion picture camera
Bracket, high-speed motion picture camera, several baffles, several first strain pressure transducers and several the second strain-type pressure pass
Sensor.
The bottom with back taper silo has circular cone, and bottom is fixed on silo bracket, uniformly divides on the circular cone
Several discharge ports of cloth, baffle are fixed on discharge port, are opened downwards by solenoid valve control baffle, if being uniformly distributed on circular cone
Dry the first strain pressure transducer, first strain pressure transducer are located above discharge port, and are located at band back taper
In silo；Bin stock recyclable device is located at below discharge port, is used for recovery test bin stock；Band back taper silo inner wall be equipped with several the
Two strain pressure transducers, test bin stock are filled in band back taper silo, and the input terminal of strain testing instrument is answered with first respectively
Variant pressure sensor and the connection of the second strain pressure transducer, output end are connect with data processing equipment, high-speed motion picture camera
Outer wall with back taper silo is set, and is fixed by high-speed photography machine support and silo bracket, observation band back taper silo is convenient for
The fluidised form of interior test bin stock.
The band back taper silo uses transparent material.
The conical tip with back taper silo is upward, and circle element of a cone angle with horizontal plane is 60 degree.
The discharge port is 6.
The discharge port size is identical, and is distributed along the circumferencial direction of circular cone.
The silo bracket is equipped with a circle endless glide, and high-speed photography machine support and the endless glide are connected, so that
High-speed photography machine support can be rotated around band back taper silo.
One circle endless glide of setting, high-speed photography machine support can also be connected with the endless glide on the ground, so that
High-speed photography machine support can be rotated around band back taper silo.
Compared with prior art, the present invention its remarkable advantage:
(1) dynamic pressure that bulkhead and back taper can be monitored, for instructing the design with back taper silo structure.
(2) back taper part is provided with several discharge ports, and test can be by opening different location and different number of discharging
The existing different discharging mode of cause for gossip.
(3) band back taper silo uses transparent material, convenient for observation fluidised form, acquisition position diversification.
(4) band back taper silo discharging test can be carried out under lab, and avoiding can encounter in engineering site experiment
All difficulties.
(5) Test Data Collecting automates, and error is small.
Detailed description of the invention
Fig. 1 is the overall structure diagram of experimental rig of the present invention simulation with back taper silo discharging.
Fig. 2 is the bottom surface bottom view with back taper silo of experimental rig of the present invention simulation with back taper silo discharging.
Fig. 3 is the cross-sectional view of the circular cone with back taper silo of experimental rig of the present invention simulation with back taper silo discharging.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing.
In conjunction with Fig. 1, a kind of experimental rig of the simulation with back taper silo discharging, including band back taper silo 1, the test city bin stock 4(
Purchase), silo bracket 5, bin stock recyclable device 6, strain testing instrument 8(it is commercially available), data processing equipment 9(use PC machine, it is commercially available), it is high
Fast camera stand 10, high-speed motion picture camera 11(are commercially available), several baffles 3, several cities the first strain pressure transducer 7(
Purchase) and several second strain pressure transducers 2(it is commercially available).
The bottom with back taper silo 1 has circular cone, and bottom is fixed on silo bracket 5, on the circular cone uniformly
Several discharge ports 12 are distributed, baffle 3 is fixed on discharge port 12, is opened downwards by solenoid valve control baffle 3, test can be with
Different discharging modes is realized by opening different location and different number of discharge port 12.Be uniformly distributed on circular cone several
One strain pressure transducer 7, first strain pressure transducer 7 is located at 12 top of discharge port, and is located at band inversed conical drum
In storehouse 1.Bin stock recyclable device 6 is located at 12 lower section of discharge port, is used for recovery test bin stock 4.Band 1 inner wall of back taper silo is equipped with several
A second strain pressure transducer 2, test bin stock 4 are filled in band back taper silo 1, and the input terminal of strain testing instrument 8 is distinguished
It being connect with the first strain pressure transducer 7 and the second strain pressure transducer 2, output end is connect with data processing equipment 9,
The outer wall with back taper silo 1 is arranged in high-speed motion picture camera 11, and fixed by high-speed photography machine support 10 and silo bracket 5, just
In the fluidised form for testing bin stock 4 in observation band back taper silo 1.
Further, the band back taper silo 1 uses transparent material.
Further, the conical tip with back taper silo 1 is upward, and circle element of a cone angle with horizontal plane is 60
Degree.
In conjunction with Fig. 2, further, the discharge port (12) is 6, and size is identical, and is distributed along the circumferencial direction of circular cone.
Further, the silo bracket 5 is equipped with a circle endless glide, and high-speed photography machine support 10 and the annular are sliding
The sliding block of rail is connected, and high-speed photography machine support 10 is rotated around band back taper silo 1.One circle can also be set on the ground
The sliding block of endless glide, high-speed photography machine support 10 and the endless glide is connected, enable high-speed photography machine support 10 around
Band back taper silo 1 rotate.
Further, recycling bin, recycling bins etc. can be selected for collecting test bin stock in the bin stock recyclable device 6.
Further, the data processing equipment 9 is answered for acquiring and handling the first strain pressure transducer 7 and second
The pressure data that the dynamometry that variant pressure sensor 2 measures measures can be selected PC or storage card etc. and (be answered using dh3816n static state
Become test macro and handle data).
The course of work is as follows:
After selected discharge way, the position of high-speed photography machine support 10 and high-speed motion picture camera 11 is adjusted, fixes and beats
Switch power supply prepares photography.Open the power supply of strain testing instrument 8 and data processing equipment 9, the first strain pressure transducer 7 and the
Two strain pressure transducers 2 are packed into test bin stock 4 after returning to zero respectively in band back taper silo 1, open opening for corresponding baffle 3
Valve is closed, discharging starts, and high-speed motion picture camera 11 acquires image information, and data processing equipment 9 collects processing 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, outside the bottom surface of circular cone
Diameter 360mm, wall thickness 8mm, 12 diameter 50mm of discharge port, 12 center of discharge port and conical base distance 70mm, the first strain-type pressure
Force snesor 7 is identical with the parameter of the second strain pressure transducer 2, diameter 20mm, thickness 5mm.Individually to open in Fig. 20 °
For this discharging mode of discharge port 12, circular cone lays the first strain in 0 ° (proximal end), 60 °, 180 ° (distal end) this three column respectively
Formula pressure sensor 7, as shown in figure 3, the first strain pressure transducer 7 be respectively provided at a distance from conical tip B for 60mm,
At 160mm, 260mm, 9 the first strain pressure transducers 7 are equipped on circular cone altogether.Correspondingly, the inner wall with back taper silo 1
The second strain pressure transducer 2 is laid in 0 ° (proximal end), 60 °, 180 ° (distal end) this three column, from the inner wall with back taper silo 1
Bottom starts, and second strain pressure transducer 2 is arranged every 150mm, a column are equipped with 7 the second strain-type pressure sensings
Device 2 is equipped with 21 the second strain pressure transducers 2 altogether.Band back taper silo 1 uses transparent organic glass.
The position for adjusting high-speed photography machine support 10 and high-speed motion picture camera 11 makes itself and 0 ° of this column with back taper silo 1
Vertically, it fixes and opens power supply and prepare photography.Open the power supply of strain testing instrument 8 and data processing equipment 9, strain-type pressure
Sensor 7 is packed into test bin stock 4 after returning to zero in band back taper silo 1, opens opening for 0 ° of corresponding baffle 3 of discharge port 12 in Fig. 2
Valve is closed, discharging starts, and high-speed motion picture camera 11 acquires image information, and data processing equipment 9 collects processing test data.
In conclusion the present invention can quickly be acquired the flow regime with the bin stock in back taper silo,
The ultra-pressure factor that can also obtain silo bulkhead and back taper pressure in discharge process finds structure most unfavorable combination, for instructing
Design with back taper silo structure.
Claims (7)
1. a kind of experimental rig of the simulation with back taper silo discharging, it is characterised in that: including band back taper silo (1), test bin stock
(4), silo bracket (5), bin stock recyclable device (6), strain testing instrument (8), data processing equipment (9), high-speed photography machine support
(10), high-speed motion picture camera (11), several baffles (3), several first strain pressure transducers (7) and several second answer
Variant pressure sensor (2)；The bottom of the band back taper silo (1) has circular cone, and bottom is fixed on silo bracket (5),
Several discharge ports (12) are uniformly distributed on the circular cone, baffle (3) is fixed on discharge port (12), keeps off by solenoid valve control
Plate (3) is opened downwards, is uniformly distributed several the first strain pressure transducers (7), the first strain-type pressure on circular cone
Sensor (7) is located above discharge port (12), and is located in band back taper silo (1)；Bin stock recyclable device (6) is located at discharge port
(12) lower section is used for recovery test bin stock (4)；Band back taper silo (1) inner wall is equipped with several second strain pressure transducers
(2), test bin stock (4) be filled in band back taper silo (1) in, the input terminal of strain testing instrument (8) respectively with the first strain-type pressure
Force snesor (7) and the second strain pressure transducer (2) connection, output end are connect with data processing equipment (9), high-speed photography
Machine (11) is arranged in the outer wall with back taper silo (1), and fixed by high-speed photography machine support (10) and silo bracket (5), just
In the fluidised form of test bin stock (4) in observation band back taper silo (1).
2. experimental rig of the simulation with back taper silo discharging according to claim 1, it is characterised in that: the band inversed conical drum
Storehouse (1) uses transparent material.
3. experimental rig of the simulation with back taper silo discharging according to claim 1, it is characterised in that: the band inversed conical drum
The conical tip in storehouse (1) is upward, and circle element of a cone angle with horizontal plane is 60 degree.
4. experimental rig of the simulation with back taper silo discharging according to claim 1, it is characterised in that: the discharge port
It (12) is 6.
5. experimental rig of the simulation with back taper silo discharging according to claim 4, it is characterised in that: the discharge port
(12) size is identical, and is distributed along the circumferencial direction of circular cone.
6. experimental rig of the simulation with back taper silo discharging according to claim 1, it is characterised in that: the silo bracket
(5) it is equipped with a circle endless glide, high-speed photography machine support (10) and the endless glide are connected, so that high-speed photography machine support
(10) it can be rotated around band back taper silo (1).
7. experimental rig of the simulation with back taper silo discharging according to claim 1, it is characterised in that: be arranged on the ground
One circle endless glide, high-speed photography machine support (10) can also be connected with the endless glide, so that high-speed photography machine support
(10) it can be rotated 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 CN106289681A (en) | 2017-01-04 |
| CN106289681B true 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 |
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| Country | Link |
|---|---|
| CN (1) | CN106289681B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109506866A (en) * | 2018-12-30 | 2019-03-22 | 合肥工业大学 | Assembled vertical tube group storehouse model test apparatus |
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 |
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| Publication number | Publication date |
|---|---|
| CN106289681A (en) | 2017-01-04 |
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