CN106289681B - Simulate the experimental rig with back taper silo discharging - Google Patents

Simulate the experimental rig with back taper silo discharging Download PDF

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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
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China
Prior art keywords
silo
taper
band
strain
bin stock
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CN201610673891.6A
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CN106289681A (en
Inventor
孙巍巍
程奇鹏
黄庆康
张帅
张正洋
张栩东
凌欢语
付金鑫
冯志豪
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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Priority to CN201610673891.6A priority Critical patent/CN106289681B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0041Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/56Accessories
    • G03B17/561Support related camera accessories
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed circuit television systems, i.e. systems in which the signal is not broadcast
    • H04N7/183Closed circuit television systems, i.e. systems in which the signal is not broadcast for receiving images from a single remote source

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

Simulate the experimental rig with back taper silo discharging
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).
CN201610673891.6A 2016-08-16 2016-08-16 Simulate the experimental rig with back taper silo discharging Active CN106289681B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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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