CN104773476B - Solid granule conveying test device - Google Patents
Solid granule conveying test device Download PDFInfo
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- CN104773476B CN104773476B CN201510112610.5A CN201510112610A CN104773476B CN 104773476 B CN104773476 B CN 104773476B CN 201510112610 A CN201510112610 A CN 201510112610A CN 104773476 B CN104773476 B CN 104773476B
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- discharging opening
- screw feeder
- hopper
- weigh hopper
- flow arrangement
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Abstract
A kind of solid granule conveying test device, test and be provided with part flow arrangement below the discharging opening of screw feeder, part flow arrangement bottom is provided with changeable the first discharging opening and the second discharging opening, the first weigh hopper is provided with below first discharging opening, the second weigh hopper is provided with below second discharging opening, first weigh hopper is located above the charging aperture of first circulation screw feeder, and the second weigh hopper is located above the charging aperture of second circulation screw feeder.A kind of method for carrying out conveying experiment using above-mentioned experimental rig, comprises the following steps：By part flow arrangement cyclic switching to the first discharging opening or the second discharging opening, accurate weight of material is obtained using static weighing, so as to obtain the average discharge in a period.The present invention can obtain high-precision material conveying instantaneous delivery and integrated flux, error are less than one thousandth.So as to optimize design to conveying device according to experimental data, transportation performance is improved；And using the experimental rig, the transportation performance rating test before being dispatched from the factory.
Description
Technical field
The present invention relates to conveying test device field, particularly a kind of solid granule conveying test device.
Background technology
In oil drilling and extracting equipment, screw conveyer is the significant components of pressure break fracturing blender truck, the spiral shell used in the prior art
It is screw feeder to revolve sand deliverer, is mainly made up of hydraulic motor or motor, disengaging hopper and helix transporting device this three parts.It is led
Working index is wanted as driving power, sediment transport amount, transfer efficiency.And the parameter for influenceing above-mentioned working index mainly has helical axis to turn
The parameter such as speed, helical blade diameter, pitch, spiral shaft diameter and auger conveyor angle of inclination, gap.Can by experimental rig
To test the influence of the structural parameters and running parameter that are used for studying screw conveyer to working index, structural parameters and work are found
Make the inner link of index, so as to provide practical basis to design efficient energy-saving sand conveying device.
In the prior art without the slope coefficient, fill factor, frictional behavior of high inclination-angle conveying worm that can be for reference
Etc. parameter；More without for varistructure parameter, running parameter and the multifunctional circulation sediment transport experimental rig for conveying inclination angle.
The A of Chinese patent literature CN 102419257 disclose a kind of pressure break fracturing blender truck sediment transport experimental rig, describe one kind
The problem of circulating sand conveying device, employing solid flowmeter to measure instantaneous delivery and integrated flux, exist is solid flowmeter
Precision it is too low, error is larger, and overall error reaches 5% ~ 10%, it is difficult to realizes the purpose of experiment.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of solid granule conveying test device, it is possible to achieve instantaneous stream
The accurate measurement of amount and integrated flux, so as to accurately determine rotating speed, helical blade diameter, spiral shaft diameter, pitch, gap and incline
The single factor test and Multifactor Combination that angle conveys on material influence.It can also be used to the experiment of the conveying before auger conveyor product export
And Calibration, it is easy to during onsite application by changing accurate control of the rotating speed to material conveying capacity.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of solid granule conveying test device,
Test and part flow arrangement is provided with below the discharging opening of screw feeder, part flow arrangement bottom is provided with the first changeable discharging opening and the second discharging
Mouthful, the first weigh hopper is provided with below the first discharging opening, the second weigh hopper, the first weigh hopper are provided with below the second discharging opening
Above the charging aperture of first circulation screw feeder, the second weigh hopper is located above the charging aperture of second circulation screw feeder；
The discharging opening of first circulation screw feeder and second circulation screw feeder is located at the top of storage bin hopper, and storage bin hopper is positioned at experiment screw feeder
Charging aperture above.
Described experiment screw feeder is provided with torque sensor and angular-rate sensor, torque sensor and angular-rate sensor
Electrically connected with harvester.
Described the first weigh hopper and the second weigh hopper is supported on support by multiple weighing sensors respectively, is claimed
Retransmit sensor to electrically connect with harvester, the bottom of the first weigh hopper and the second weigh hopper is respectively equipped with gate.
In described part flow arrangement, rotating shaft, rotating shaft and sub-material are provided with the connecting portion of the first discharging opening and the second discharging opening
Plate is fixedly connected, and the termination of rotating shaft is fixedly connected with driving wheel, and driving wheel is connected with driven pulley by flexible drive parts, driving gas
Cylinder is connected with flexible drive parts.
Both ends in drive cylinder cylinder body are rod chamber.
In described part flow arrangement, rotating shaft, rotating shaft and sub-material are provided with the connecting portion of the first discharging opening and the second discharging opening
Plate is fixedly connected, and connecting rod, drive cylinder and rod hinge connection are set in the termination of rotating shaft, by the stretching motion of drive cylinder, is driven
Turn axle and cutting plate rotation.
The top of part flow arrangement is separate hopper, in separate hopper and the both sides of the first discharging opening and the second discharging opening connecting portion
Provided with stock guide, cutting plate uses cross section as concave arc plate.
It is be hinged or spacing by the limited block on bottom plate with bottom plate to test charging aperture one end of screw feeder, tests and is set in the middle part of screw feeder
There is liftable inclination-angle regulating device.
In described inclination-angle regulating device, seat board is hinged with bottom plate, is provided with seat board rotatable not axially displaceable
Worm gear and nut, the outer wall engagement of worm and wheel nut, the inwall of worm gear and nut are connected with screw flight, screw rod and experiment screw feeder
Middle part be hinged.
A kind of solid granule conveying test device provided by the invention, it is static by circulating by using above-mentioned device
The method weighed, can obtain high-precision material conveying instantaneous delivery and integrated flux, error are less than one thousandth.So as to
To optimize design to conveying device according to experimental data, transportation performance is improved.And using the experimental rig, dispatched from the factory
Preceding transportation performance rating test.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the main structure diagram of the present invention.
Fig. 2 is the left view structural representation of the present invention.
Fig. 3 is the close-up schematic view of part flow arrangement in the present invention.
Fig. 4 is the structural representation of inclination-angle regulating device in the present invention.
Fig. 5 is the test method flow chart of the present invention.
Fig. 6 is that the flow chart of weighing of part flow arrangement is utilized in the present invention.
Fig. 7 is the dimensional structure diagram of the present invention.
In figure：Part flow arrangement 1, separate hopper 101, stock guide 102, cutting plate 103, driving wheel 104, driven pulley 105, driving
Cylinder 106, flexible drive parts 107, the first discharging opening 108, the second discharging opening 109, rotating shaft 110, the first weigh hopper 2, weigh
Sensor 21, self-shooter 22, the second weigh hopper 2', inclination-angle regulating device 3, inclination angle free bearing 31, nut seat free bearing 32, seat board
33, worm gear and nut 34, worm screw 35, handle 36, limited block 37, screw rod 38, test screw feeder 4, torque sensor 41, angular speed sensing
Device 42, discharging opening 43, charging aperture 44, spacing column 5, first circulation screw feeder 6, second circulation screw feeder 6', storage bin hopper 7, bottom plate 8,
Support 9.
Embodiment
Embodiment 1：
In Fig. 1 ~ 4,7, a kind of solid granule conveying test device, the lower section of discharging opening 43 for testing screw feeder 4 is provided with shunting
Device 1, the bottom of part flow arrangement 1 are provided with changeable the first discharging opening 108 and the second discharging opening 109, the lower section of the first discharging opening 108
Provided with the first weigh hopper 2, the lower section of the second discharging opening 109 is provided with the second weigh hopper 2', and the first weigh hopper 2 is followed positioned at first
Above the charging aperture of ring screw feeder 6, the second weigh hopper 2' is located above second circulation screw feeder 6' charging aperture；Preferably, it is described
The first weigh hopper 2 and the second weigh hopper 2' be supported on respectively by multiple weighing sensors 21 on support 9, weighing and sensing
Device 21 electrically connects with harvester, and the first weigh hopper 2 and the second weigh hopper 2' bottom are respectively equipped with gate.Adopted in this example
With the self-shooter 22 being driven by the cylinder.
First circulation screw feeder 6 and second circulation screw feeder 6' discharging opening are located at the top of storage bin hopper 7, and storage bin hopper 7 is positioned at examination
Test the top of charging aperture 44 of screw feeder 4.Thus structure, the material exported from experiment screw feeder 4, such as quartz sand are weighed by first
After the weigh hopper 2' of hopper 2 and second accurate measurement, storage is delivered to by first circulation screw feeder 6 and second circulation screw feeder 6' again
Hopper 7, so as to realize cyclic test, within the longer period, to obtain more accurate test data, or by longer
Time, the influence of material is conveyed to test each test parameters to experiment screw feeder 4.
Described experiment screw feeder 4 is provided with torque sensor 41 and angular-rate sensor 42, torque sensor 41 and angle speed
Degree sensor 42 electrically connects with harvester.Thus structure, it is easy to automatically control by PLC or industrial computer realization, reduces experiment
During labor intensity.Preferably, experiment screw feeder 4 is provided with variable-frequency motor, by the speed of change, so as to measure different ginsengs
Experiment screw feeder 4 under several, moment of torsion at various speeds, actual speed and frequency converter can be fed back by angular-rate sensor 42
The error of output speed, to realize optimization design.
Part flow arrangement 1 has material diversion device that is more, such as commonly using, the preferable scheme of this example such as Fig. 3 in the prior art
Shown in, in described part flow arrangement 1, rotating shaft 110 is provided with the connecting portion of the first discharging opening 108 and the second discharging opening 109, is turned
Axle 110 is fixedly connected with cutting plate 103, and the cutting plate 103 in this example preferably uses cross section thus to be tied for concave arc plate
Structure, in Flow of Goods and Materials, material concentrates on the axis of cutting plate 103, so as to the housing to cutting plate 103 and part flow arrangement 1
Between seal request reduce.
In this example, the housing of the termination stretching part flow arrangement 1 of rotating shaft 110 is fixedly connected with driving wheel 104, driving wheel 104
It is connected with driven pulley 105 by flexible drive parts 107, the flexible drive parts 107 in this example include chain, toothed timing belt or triangle
Band etc., drive cylinder 106 is connected with flexible drive parts 107.In this example, by chain-drive mechanism or belt gear, it will drive
The linear motion of cylinder 106 of taking offence is converted to rotary motion, especially in transfer process, there is buffering to avoid damaging parts.
In Fig. 3 left figures, when the piston rod of drive cylinder 106 stretches out, flexible drive parts 107 are driven to left movement, so as to drive master
Driving wheel 104 turns clockwise, and rotating shaft 110 and cutting plate 103 accordingly turn clockwise, so as to complete the switching of cutting plate 103, such as
In Fig. 3 shown in right figure.Material channel is switched to the second discharging opening 109.
It is interchangeable, connecting rod, drive cylinder 106 and rod hinge connection can also be set in the termination of rotating shaft 110, pass through driving
The stretching motion of cylinder 106, drive shaft 110 and cutting plate 103 rotate.But in the structure shown here, cutting plate 103 rotates to be
Variable motion, impact of the stream to weigh hopper can be influenceed, so as to influence weighing precision.And driven using drive cylinder 106 soft
Property 107 reciprocating mode of driving member, then be uniform motion.
It is further preferred that the both ends in the cylinder body of drive cylinder 106 are rod chamber, i.e. the piston rod of drive cylinder 106
Run through whole cylinder body in the process of running, thus structure, it is ensured that cutting plate 103 to both sides switch when speed be it is identical,
So as to improve weighing precision.
In preferable scheme such as Fig. 3, the top of part flow arrangement 1 is separate hopper 101, in the discharging opening of separate hopper 101 and first
108 and the both sides of the connecting portion of the second discharging opening 109 be provided with stock guide 102, thus structure, avoids cutting plate 103 and separate hopper
Material from leakage is caused in gap between 101, so as to weigh inaccuracy.It is switching control the advantages of part flow arrangement 1 in the present invention
It is convenient, no material leakage, so as to accurate beneficial to measurement, low is required to parts size precision.
In Fig. 4, one end of charging aperture 44 of experiment screw feeder 4 and bottom plate 8 are be hinged or spacing by the limited block 37 on bottom plate 8,
The middle part of experiment screw feeder 4 is provided with liftable inclination-angle regulating device 3.
In preferable scheme, in described inclination-angle regulating device 3, seat board 33 is be hinged with bottom plate 8, and being provided with seat board 33 can
The not axially displaceable worm gear and nut 34 of rotation, as shown in Figure 4, worm gear and nut 34 is movably embedded in the housing of seat board 33,
The both ends of worm gear and nut 34 set thrust bearing, so that worm gear and nut 34 can only rotate, it is impossible to axial displacement.Worm screw 35 and worm gear
The outer wall engagement of nut 34, to drive worm gear and nut 34 to rotate by worm screw 35, inwall and the screw thread of screw rod 38 of worm gear and nut 34
Connection, to be lifted by the rotation of worm gear and nut 34, drive screw 38, screw rod 38 is hinged with testing the middle part of screw feeder 4.Thus tie
Structure, the inclination angle of experiment screw feeder 4 can be conveniently adjusted, can the electrodeless regulation between 35 degree to 55 degree.In this example, by worm gear and
Nut is combined into a part, simplifies structure, also allows for realizing inclination-angle regulating device self-locking.Handle 36 is employed in figure to enter
The scheme of row regulation, it is adjusted using motor or the rotation of fluid motor-driven worm screw 35 and feasible.It is spacing vertical in this example
Post 5 defines two side positions of experiment screw feeder 4, makes experiment screw feeder 4 be only capable of sliding between spacing column 5.
Embodiment 2：
On the basis of embodiment 1, as shown in Figure 5,6, a kind of side for using above-mentioned experimental rig convey experiment
Method, comprise the following steps：
First, the inclination angle of experiment screw feeder 4 is set by inclination-angle regulating device 3, part flow arrangement 1 is switched to the first discharging opening
108, the now closing gate of the first weigh hopper 2, as shown in the left figure in Fig. 3；
2nd, storage bin hopper 7 is fed to the charging aperture 44 of experiment screw feeder 4, it is preferred that the discharging opening of storage bin hopper 7 stirs positioned at experiment
The top of charging aperture 44 of dragon 4 is following, in order to realize without controlling ground continuous feeding, tests the variable-frequency motor or liquid on screw feeder 4
Pressure motor starts feeding, sets time started t0, the discharging opening 43 of material from experiment screw feeder 4 is discharged to part flow arrangement 1, through first
Discharging opening 108 is drained into the first weigh hopper 2, and now the weighing sensor 21 of the first weigh hopper 2 starts to weigh；It is preferred that
Before weighing sensor 21 is set, the weight for including whole first weigh hopper assembly is set to be zeroed, so as to be easy to the later stage to count
Calculate, be zeroed again in use for some time.
3rd, when the numerical value for collecting weighing sensor 21 reaches setting value, such as material 10 is filled whole first and weighed material
Bucket 2 85% when, part flow arrangement 1 starts to switch cutting plate 103 to the second discharging opening 109, due to now still having clout from cutting plate
103 inputs, weighing sensor 21 continue to weigh, until the weighing sensor 21 of the first weigh hopper 2 weighs to obtain maximum, and
When weight is not further added by, obtain being transported to the period of the first weigh hopper 2, now cutting plate 103 has rotated through level
Face.As a result of static accurate weighing, by the available accurately instantaneous delivery of time-sharing measurement, pass through speed change in this process
The influence to feed flow after speed change can accurately be measured.As shown in Figure 6, obtained weight is weighed most by weighing sensor 21
Big value, divided by the period, can obtain accurate average discharge.It is then turned on the discharge of self-shooter 22 of the first weigh hopper 2
To first circulation screw feeder 6, start recording is transported to the second weigh hopper 2' while obtaining the period of the first weigh hopper 2
Time；
4th, after the cutting plate 103 of part flow arrangement 1 switches in place, as shown in the right figure in Fig. 3, material 10 is through the second discharging
Mouth 109 is drained into the second weigh hopper 2', and weighing sensor 21 starts to weigh, when the numerical value for collecting weighing sensor 21 reaches
To setting value, part flow arrangement 1 again switches to the first discharging opening 108；
5th, the second weigh hopper 2' weighing sensor 21 weighs to obtain maximum, and obtains being transported to second and weigh
Hopper 2' period, gate-and-dam discharge is then turned on to second circulation screw feeder 6'；
So circulation, the weight of material that experiment screw feeder 4 conveys in a period of time is accurately measured, so as to obtain the time
Instantaneous delivery and average discharge in section.By prolonged repeatedly circulation, more accurate average discharge can be obtained, or
Obtain influence of the long-play to equipment parameters.
In step 3 and step 5, first circulation screw feeder 6 and second circulation screw feeder 6' convey material to storage bin hopper 7, storage
Hopper 7 is fed to the charging aperture 44 of experiment screw feeder 4, forms circulation.
In preferable scheme, experiment screw feeder 4 is provided with variable-frequency motor, the torque sensor 41 and angular-rate sensor of setting
42 form closed-loop control with variable-frequency motor by PLC or industrial computer.Such as variable-frequency motor is fed back by angular-rate sensor 42
Output speed, to realize the closed-loop control of permanent rotating speed, by setting torque value, realize the closed-loop control of permanent moment of torsion.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as the limitation for the present invention, this hair
Technical characteristic in the technical scheme that bright protection domain should be recorded with claim, including the technical scheme of claim record
Equivalents are protection domain.Equivalent substitution i.e. within this range is improved, also within protection scope of the present invention.
Claims (1)
1. a kind of solid granule conveying test device, it is characterized in that：Test screw feeder（4）Discharging opening（43）Lower section is provided with shunting and filled
Put（1）,
Part flow arrangement（1）Top be separate hopper（101）, in separate hopper（101）With the first discharging opening（108）With the second discharging opening
（109）The both sides of connecting portion are provided with stock guide（102）, cutting plate（103）Cross section is used as concave arc plate；
Part flow arrangement（1）Bottom is provided with the first changeable discharging opening（108）With the second discharging opening（109）, the first discharging opening
（108）Lower section is provided with the first weigh hopper（2）, the second discharging opening（109）Lower section is provided with the second weigh hopper（2'）, first weighs
Hopper（2）Positioned at first circulation screw feeder（6）Charging aperture above, the second weigh hopper（2'）Positioned at second circulation screw feeder（6'）'s
Above charging aperture；
First circulation screw feeder（6）With second circulation screw feeder（6'）Discharging opening be located at storage bin hopper（7）Top, storage bin hopper（7）Position
In experiment screw feeder（4）Charging aperture（44）Top；
Described experiment screw feeder（4）It is provided with torque sensor（41）And angular-rate sensor（42）, torque sensor（41）With
Angular-rate sensor（42）Electrically connected with harvester；
The first described weigh hopper（2）With the second weigh hopper（2'）Pass through multiple weighing sensors respectively（21）It is supported on
Frame（9）On, weighing sensor（21）Electrically connected with harvester, the first weigh hopper（2）With the second weigh hopper（2'）Bottom
Portion is respectively equipped with gate；
Described part flow arrangement（1）In, in the first discharging opening（108）With the second discharging opening（109）Connecting portion be provided with rotating shaft
（110）, rotating shaft（110）With cutting plate（103）It is fixedly connected, rotating shaft（110）Termination and driving wheel（104）It is fixedly connected, it is main
Driving wheel（104）With driven pulley（105）Pass through flexible drive parts（107）Connection, drive cylinder（106）With flexible drive parts（107）
Connection；
Drive cylinder（106）Both ends in cylinder body are rod chamber；
Test screw feeder（4）Charging aperture（44）One end and bottom plate（8）It is hinged or by bottom plate（8）On limited block（37）It is spacing, examination
Test screw feeder（4）Middle part be provided with liftable inclination-angle regulating device（3）；
Described inclination-angle regulating device（3）In, seat board（33）With bottom plate（8）It is be hinged, seat board（33）On be provided with it is rotatable can not
The worm gear and nut of axial displacement（34）, worm screw（35）With worm gear and nut（34）Outer wall engagement, worm gear and nut（34）Inwall with
Screw rod（38）Threaded connection, screw rod（38）With testing screw feeder（4）Middle part be hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112610.5A CN104773476B (en) | 2014-12-04 | 2015-03-16 | Solid granule conveying test device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014107277640 | 2014-12-04 | ||
| CN201410727764 | 2014-12-04 | ||
| CN201510112610.5A CN104773476B (en) | 2014-12-04 | 2015-03-16 | Solid granule conveying test device |
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| Publication Number | Publication Date |
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| CN104773476A CN104773476A (en) | 2015-07-15 |
| CN104773476B true CN104773476B (en) | 2018-04-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258768B (en) * | 2015-11-05 | 2018-02-06 | 四川宏华石油设备有限公司 | A kind of auger caliberating device |
| CN107285063A (en) * | 2017-07-04 | 2017-10-24 | 镇江市丰泰化验制样设备有限公司 | A kind of rotor segment discharge adjustable device |
| CN113620025A (en) * | 2021-06-29 | 2021-11-09 | 湖州嘉骏热电有限公司 | Low-energy-consumption flow-adjustable solid waste distributing system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9000612U1 (en) * | 1990-01-20 | 1990-03-22 | Spang & Brands Maschinenfabrik Gmbh & Co, 6382 Friedrichsdorf, De | |
| CN201138234Y (en) * | 2007-11-29 | 2008-10-22 | 杭州艾迪精工机械制造有限公司 | Liquid material dynamic metering equipment |
| CN202083447U (en) * | 2011-03-28 | 2011-12-21 | 河北省机电一体化中试基地 | Static metering device for continuously conveyed bulk materials |
| CN102419257A (en) * | 2011-12-16 | 2012-04-18 | 中国石化集团江汉石油管理局第四机械厂 | Sand conveying test device of sand fracturing and mixing vehicle |
| CN202599452U (en) * | 2012-06-15 | 2012-12-12 | 漳州捷龙自动化技术有限公司 | Double-weight reduction flow rate metering system |
| CN203127643U (en) * | 2013-01-21 | 2013-08-14 | 安徽正远包装科技有限公司 | Improved structure of screw elevator |
| CN204264939U (en) * | 2014-12-04 | 2015-04-15 | 中石化石油工程机械有限公司第四机械厂 | Solid granule conveying test device |
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Effective date of registration: 20200424 Address after: 434020 No. 1 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Co-patentee after: Yangtze University Patentee after: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd. Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Address before: 434000 Hubei province Jingzhou Jingzhou District West Gate Longshan Temple Co-patentee before: Yangtze University Patentee before: SJ PETROLEUM MACHINERY CO., LTD. SINOPEC |
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