CN104477609A - Elevator bucket conveyor test device and method - Google Patents
Elevator bucket conveyor test device and method Download PDFInfo
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- CN104477609A CN104477609A CN201410732513.1A CN201410732513A CN104477609A CN 104477609 A CN104477609 A CN 104477609A CN 201410732513 A CN201410732513 A CN 201410732513A CN 104477609 A CN104477609 A CN 104477609A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/12—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
- B65G17/126—Bucket elevators
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Chain Conveyers (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention relates to an elevator bucket conveyor test device and method. A distribution device is arranged under a discharge opening of an elevator bucket conveyor, a first discharge outlet and a second discharge outlet which are switchable are arranged in the bottom of the distribution device, and a first weighing hopper and a second weighing hopper are arranged under the discharge outlets respectively. Two circulatory chutes are arranged below the weighing hoppers respectively, a storage hopper is arranged under each circulatory chute, and each storage hopper is located over a feed opening of the elevator bucket conveyor. The elevator bucket conveyor test method includes switching the distribution device to the first discharge outlet or the second discharge outlet circularly, and acquiring accurate material weight by means of static weighing so as to obtain average flow rate within a period of time. By the aid of the circulatory static weighing method, high-precision instantaneous flow rate of material conveying and accumulated flow rate can be obtained. Therefore, the elevator bucket conveyor can be subjected to optimization design according to test data, conveying performance is improved, and time between failures is prolonged. The test device and the test method can be used for carrying out calibration test of the conveying performance before delivery.
Description
Technical field
The present invention relates to conveying test device field, particularly a kind of elevator bucket conveyer experimental set-up and method.
Background technology
Elevator bucket conveyer is the load transfer device applied widely, also known as bucket elevator.Elevator bucket conveyer can be divided into by version: belt-type bucket elevator (DT), loop chain type bucket elevator (TH), plate link chain type hoist (NE).Belt-type bucket elevator, be applicable to conveying normal temperature powder, as dry powder and mortar, dry-mixed mortar, thermal insulation mortar, premixing mortar, additive, jointing agent, interfacial agents, powder of lacquer putty for use on, chemical industry fine powder, economical and practical, shortcoming is the easy sideslip of belt, needs often to regulate.Plate chain type, circular chain bucket hoister adopt single or duplex chain, are applicable to vertical transport high temperature, the powdery that wearability is larger, granular and little lump material, as grain, coal, cement, broken ore etc., and the highest 40m of delivery head.Shortcoming is that cost is high, operating sound is larger.
Elevator bucket conveyer operational throughput can reach 72 cubes ms/h.Its structure and operational factor comprise bucket wide (mm), bucket capacity (L), buckets pitch (mm), bandwidth (mm), bucket speed (m/s), the geometric configuration struggled against, chain shape, driving wheel, flower wheel shape and material etc., and these parameters all can impact the operational throughput of elevator bucket conveyer and accident-free duration.The impact of parameter on working index for studying elevator bucket conveyer can being tested by experimental set-up, finding the inner link of parameters and working index, thus providing practical basis for designing high efficiency energy-saving elevator bucket conveyer.
Chinese patent literature CN 102419257 A discloses a kind of pressure break blending equipment sediment transport experimental set-up, describe a kind of circulation sand conveying device, have employed solid flowmeter to measure instant flow rate and integrated flux, Problems existing is, the precision of solid flowmeter is too low, error is comparatively large, and combined error reaches 5% ~ 10%, is difficult to the object realizing test.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of elevator bucket conveyer experimental set-up and method, the accurate measurement of instant flow rate and integrated flux can be realized, thus Accurate Measurement rotating speed, struggle against wide, bucket capacity, buckets pitch, highly, the single factor test of chain shape, driving wheel, flower wheel shape and material and Multifactor Combination impact.The conveying test before elevator bucket conveyer product export and Calibration can also being used for, by changing rotating speed, mass transport amount being controlled comparatively accurately when being convenient to onsite application.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of elevator bucket conveyer experimental set-up, part flow arrangement is provided with below the discharge gate of elevator bucket conveyer, switchable first discharging opening and the second discharging opening is provided with bottom part flow arrangement, be provided with first below first discharging opening to weigh hopper, be provided with second below the second discharging opening and weigh hopper;
First below of weighing hopper is provided with the first circulation chute, and the second below of weighing hopper is provided with the second circulation chute, and be provided with storage bin hopper below the first circulation chute and the second circulation chute, storage bin hopper is positioned at above the spout of elevator bucket conveyer.
In described elevator bucket conveyer, driving wheel is connected with flower wheel by trailer coupling, and trailer coupling is provided with multiple hopper, and driving wheel is connected with actuating device, and actuating device is provided with torque sensor and angular velocity sensor.
Described first hopper and second hopper of weighing of weighing is bearing in frame respectively by multiple LOAD CELLS, and LOAD CELLS is electrically connected with harvester, and the first weigh hopper and the second bottom of weighing hopper is respectively equipped with gate.
In described part flow arrangement, be provided with rotating shaft at the connecting portion of the first discharging opening and the second discharging opening, rotating shaft is fixedly connected with cutting plate, and the termination of rotating shaft is fixedly connected with driving wheel, driving wheel is connected by flexible drive parts with flower wheel, drives cylinder to be connected with flexible drive parts.
The two ends in cylinder cylinder are driven to be rod chamber.
The top of part flow arrangement is a point hopper, is provided with stock guide in the both sides of point hopper and the first discharging opening and the second discharging opening connecting portion.
Described cutting plate cross-sectional plane is the shape of medial recess, and the cross-sectional plane of stock guide is also the shape of corresponding medial recess.
Adopt above-mentioned elevator bucket conveyer experimental set-up to carry out a method for conveying test, comprise the following steps:
One, part flow arrangement is switched to the first discharging opening, the first closing gate of weighing hopper;
Two, storage bin hopper is to the spout feed of elevator bucket conveyer, elevator bucket conveyer starts feeding, and the setting time opening, material is discharged to part flow arrangement from the discharge gate of elevator bucket conveyer, being drained into first through the first discharging opening weighs in hopper, and LOAD CELLS starts to weigh;
Three, when the numerical value collecting LOAD CELLS reaches setting value, part flow arrangement is switched to the second discharging opening, first LOAD CELLS of weighing hopper is weighed and is obtained maxim, and obtained being transported to the first time period of weighing hopper, then starting gate discharge to the first circulation chute, starts to record mass transport simultaneously and weighs to second time opening of hopper;
Four, after part flow arrangement switching puts in place, material is drained into second through the second discharging opening and weighs in hopper, and LOAD CELLS starts to weigh, and when the numerical value collecting LOAD CELLS reaches setting value, part flow arrangement is switched to the first discharging opening;
Five, the second LOAD CELLS of weighing hopper is weighed and is obtained maxim, and obtains being transported to the second time period of weighing hopper, then starting gate discharge to the second circulation chute;
Circulation like this, accurately records the weight of material that elevator bucket conveyer is carried in a period of time, thus obtains the average operational throughput in this time period.
In step 3 and step 5, the first circulation chute and the second circulation chute convey materials are to storage bin hopper, and storage bin hopper, to the spout feed of elevator bucket conveyer, forms circulation;
Be provided with charging sensor at spout, be provided with the gate opened and closed according to charging sensor in the bottom of storage bin hopper.
The actuating device of elevator bucket conveyer adopts variable-frequency motor, and the torque sensor of setting and angular velocity sensor and variable-frequency motor form closed loop control.
A kind of elevator bucket conveyer experimental set-up provided by the invention and method, by adopting above-mentioned structure and step, utilize the method for circulation static weighing, high-precision mass transport instant flow rate and integrated flux can be obtained, error almost depends on the precision of LOAD CELLS, usually be less than millesimal, such as, adopt the LOAD CELLS of Omron, error can control within 0.05%.Thus experimentally data can be optimized design to elevator bucket conveyer, improve transportation performance, extend time between failures.And experimental set-up of the present invention and method can be utilized, the transportation performance rating test before dispatching from the factory.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is left TV structure schematic diagram of the present invention.
Fig. 3 is the partial schematic diagram of part flow arrangement in the present invention, and in figure, cutting plate is switched to the first discharging opening.
Fig. 4 is the partial schematic diagram of part flow arrangement in the present invention, and in figure, cutting plate is switched to the second discharging opening.
Fig. 5 is the partial enlarged drawing at A place in Fig. 4.
The diagram of circuit of weighing of part flow arrangement is utilized in Fig. 6 the present invention.
In figure: part flow arrangement 1, point hopper 101, stock guide 102, cutting plate 103, driving wheel 104, flower wheel 105, drive cylinder 106, flexible drive parts 107, the first discharging opening 108, second discharging opening 109, rotating shaft 110, first weighs hopper 2, LOAD CELLS 21, self-shooter 22, second weighs hopper 2', elevator bucket conveyer 3, discharge gate 31, driving wheel 32, trailer coupling 33, hopper 34, flower wheel 35, spout 36, housing 37, ground 4, frame 5, first circulation chute 6, second circulation chute 6', storage bin hopper 7.
Detailed description of the invention
Embodiment 1:
As in Fig. 1 ~ 5, a kind of elevator bucket conveyer experimental set-up, part flow arrangement 1 is provided with below the discharge gate 31 of elevator bucket conveyer 3, switchable first discharging opening 108 and the second discharging opening 109 is provided with bottom part flow arrangement 1, be provided with first below first discharging opening 108 to weigh hopper 2, be provided with second below the second discharging opening 109 and weigh hopper 2';
First below of weighing hopper 2 is provided with the first circulation chute 6, second below of weighing hopper 2' is provided with the second circulation chute 6', be provided with storage bin hopper 7 below first circulation chute 6 and the second circulation chute 6', storage bin hopper 7 is positioned at above the spout 36 of elevator bucket conveyer 3.
Preferred as in Fig. 2 ~ 4, described first the hopper 2 and second hopper 2' that weighs that weighs is bearing in frame 5 respectively by multiple LOAD CELLS 21, LOAD CELLS 21 is electrically connected with harvester, and the first weigh hopper 2 and the second bottom of weighing hopper 2' is respectively equipped with gate.Adopt in this example by the self-shooter 22 of air cylinder driven.Be provided with stay bearing plate at the outer wall of hopper of weighing, be also provided with reinforced rib between the outer wall of stay bearing plate and hopper of weighing, frame 5 is provided with backing plate, LOAD CELLS 21 is arranged between stay bearing plate and backing plate.Preferably, the periphery between stay bearing plate and backing plate is also provided with flexible protective cover, with the pollution protecting LOAD CELLS 21 to avoid being subject to dust.Structure thus, adopt the cumulative mode of integration to obtain total weight during metering, avoid force transmission mechanism, such as cantilever mechanism or leverage weighing precision impact.
Preferably, first the weigh discharging opening of hopper 2' of hopper 2 and second of weighing is separated from each other, so that make first to weigh the first circulation chute 6 separately segment distance corresponding to the second circulation chute 6' that hopper 2 and second weighs below hopper 2', to get around the housing 37 of elevator bucket conveyer 3.
Preferably, charging sensor is provided with in spout 36, such as turnover plate type weight sensor, gate is provided with below storage bin hopper 7, according to the numerical value of charging sensor, the keying of gate below control setup such as PLC or Single-chip Controlling storage bin hopper 7, to control the amount of material at spout 36, avoid blocking spout 36, or form arch camber.
During use, from the material that elevator bucket conveyer 3 exports, such as grain or sand, through part flow arrangement 1 respectively conveying to the first hopper 2 and second of weighing weigh after hopper 2' replaces accurate weighing, discharge to the first circulation chute 6 and the second circulation chute 6' is replaced again through first the hopper 2 and second hopper 2' that weighs that weighs, the storage bin hopper 7 of spout 36 side being positioned at elevator bucket conveyer 3 is delivered to by the first circulation chute 6 be in tilted layout and the second circulation chute 6', thus feed is to spout 36, realize cyclic test, with within the longer time period, obtain more accurate test figures, or by longer test period, test the impact of parameters on elevator bucket conveyer 3 convey materials and the impact of time between failures.
Preferred as Fig. 1,2, in described elevator bucket conveyer 3, driving wheel 32 is connected with flower wheel 35 by trailer coupling 33, flower wheel is provided with automatic gravity tension device, trailer coupling 33 is provided with multiple hopper 34, driving wheel 32 is connected with actuating device, and actuating device is provided with torque sensor and angular velocity sensor, and actuating device, torque sensor and angular velocity sensor are not shown in the drawings.Actuating device in this example preferably adopts variable-frequency motor, and variable-frequency motor is connected with retarder, and retarder is connected with driving wheel 32 by coupler, and torque sensor and angular velocity sensor are arranged on the output shaft of retarder usually, or on the axle of driving wheel 32.Structure thus, is convenient to realize automatically controlling by PLC or industrial computer, reduces the labour intensity in process of the test.Elevator bucket conveyer 3 is provided with variable-frequency motor, and by regulating the speed of change, thus measure the elevator bucket conveyer 3 under different parameters, moment of torsion at various speeds, can feed back the error of actual speed and frequency converter output speed by angular velocity sensor.To realize optimal design.Such as part being adopted to the belt-type elevator bucket conveyer of centrifugal impelling discharging, minimum discharge rate can be drawn by regulating the speed of variable-frequency motor.Trailer coupling 33 in this example comprises belt, loop chain or plate chain.
Part flow arrangement 1 has more in the prior art, such as conventional material diversion device, the preferred scheme of this example is as shown in Fig. 3 ~ 5, in described part flow arrangement 1, be provided with rotating shaft 110 at the connecting portion of the first discharging opening 108 and the second discharging opening 109, rotating shaft 110 is fixedly connected with the central bottom of cutting plate 103.As shown in Fig. 3,4, described cutting plate 103 is arranged on the connecting portion between each discharging opening by rotating shaft 110.Rotating shaft 110 is bearing on point hopper 101 by bearing.Structure thus, being convenient to cutting plate 103 by rotating, switching the direction of tilt of cutting plate 103, thus alternately to the first discharging opening 108 and the second discharging opening 109 feed.
The termination of rotating shaft 110 is fixedly connected with driving wheel 104, and driving wheel 104 is connected by flexible drive parts 107 with flower wheel 105, drives cylinder 106 to be connected with flexible drive parts 107.
Flexible drive parts 107 in this example is belt, cog belt or chain, and corresponding drive wheel 104 and flower wheel 105 are belt pulley, gear or sprocket wheel.In this example, by chain drive or belt gear, by driving the straight-line motion of cylinder 106 to be converted to rotary motion, especially in switching process, the characteristic that flexible drive parts 107 has buffering is avoided damaging parts.As in Fig. 3, when driving the piston rod of cylinder 106 to stretch out, driving flexible drive parts 107 to left movement, thus driving driving wheel 104 left-hand revolution, rotating shaft 110 left-hand revolution corresponding to cutting plate 103, thus cutting plate 103 is switched to the first discharging opening 108 and carry out discharging.Otherwise, when driving the piston rod of cylinder 106 to retract, then incite somebody to action thus cutting plate 103 switched to the second discharging opening 109 and carry out discharging.
Preferred as in Fig. 5 further, drive the two ends in cylinder 106 cylinder to be rod chamber, namely drive the piston rod of cylinder 106 all to run through whole cylinder body in the course of the work, structure thus, guarantee that speed when cutting plate 103 switches to both sides is identical, thus improve weighing precision.
Optional structure is: rotating shaft 110 termination is installed with the connecting rod vertical with rotating shaft 110, drives cylinder 106 and rod hinge connection.But in the structure shown here, cutting plate 103 rotate to be variable-speed motion, the impact of the symmetrical heavy burder bucket of stream can be affected, thus affect weighing precision.And adopting driving cylinder 106 to drive the reciprocating mode of flexible drive parts 107, then cutting plate 103 is uniform movement.Cutting plate 103 can be avoided because of variable-speed motion to make the symmetrical heavy burder bucket shape of stream become temporary impact, thus the accuracy rate that impact weighs.
Preferred scheme is as in Fig. 3,4, and the top of part flow arrangement 1 is a point hopper 101, is provided with stock guide 102 in the both sides of point hopper 101 and the first discharging opening 108 and the second discharging opening 109 connecting portion.Structure thus, avoids the gap between cutting plate 103 and point hopper 101 to cause material from leakage, thus makes weighing inaccurate.In the present invention, the advantage of distributing device 1 is that switching controls is convenient, without leaking material, thus being beneficial to weighing accurately, requiring low to parts size precision.
Preferred scheme further, described cutting plate 103 cross-sectional plane is the shape of medial recess, and the cross-sectional plane of stock guide 102 is also the shape of corresponding medial recess.Such as circular arc, " V " shape, " U " shape or rectangle, the cross-sectional plane of stock guide 102 is also the shape of corresponding medial recess.Structure thus, in Flow of Goods and Materials, material concentrates on the center line of cutting plate 103, thus reduces the seal request between cutting plate 103 and the housing of distributing device 1.
Embodiment 2:
On the basis of embodiment 1, as Fig. 1,2,6 one kind adopt above-mentioned elevator bucket conveyer experimental set-up to carry out the method for conveying test, comprise the following steps:
One, part flow arrangement 1 is switched to the first discharging opening 108, the first to weigh the closing gate of hopper 2, as shown in Figure 3.
Two, spout 36 feed of elevator bucket conveyer 3 given by storage bin hopper 7, and the variable-frequency motor on elevator bucket conveyer 3 or HM Hydraulic Motor start feeding, setting time opening t
0, material is discharged to part flow arrangement 1 from the discharge gate 31 of elevator bucket conveyer 3, and be drained into first through the first discharging opening 108 and weigh in hopper 2, LOAD CELLS 21 starts to weigh; Preferably before LOAD CELLS 21 sets, be set to zero by including whole first weight of weighing hopper assembly.Thus be convenient to later stage calculating, again make zero in use for some time.
Three, when the numerical value collecting LOAD CELLS 21 reaches setting value, such as material 8 fill whole first weigh hopper 2 85% time, part flow arrangement 1 is switched to the second discharging opening 109, input from cutting plate 103 owing to now still having clout, LOAD CELLS 21 continues to weigh, until the first LOAD CELLS 21 of weighing hopper 2 is weighed obtain maxim, and when weight no longer increases, obtained being transported to the first time period of weighing hopper 2, now cutting plate 103 rotates through horizontal surface.Owing to have employed static accurate weighing, accurately instant flow rate can be obtained by time-sharing measurement, accurately can measure the impact on feed flow after speed change by speed change in this process.As shown in Figure 6, to be weighed the weight maxim obtained by LOAD CELLS 21, divided by this time period, accurate average discharge can be obtained.
Then starting gate discharge to the first circulation chute 6, starts to record mass transport and weighs to second time opening of hopper 2' while the first time period of weighing hopper 2 obtained and stopped recording;
Four, after cutting plate 103 switching of part flow arrangement 1 puts in place, as shown in Figure 4, material is drained into second through the second discharging opening 109 and weighs in hopper 2', and LOAD CELLS 21 starts to weigh, when the numerical value collecting LOAD CELLS 21 reaches setting value, part flow arrangement 1 is switched to the first discharging opening 108;
Five, the second LOAD CELLS 21 of weighing hopper 2' is weighed and is obtained maxim, and obtains being transported to the second time period of weighing hopper 2', then starting gate discharge to the second circulation chute 6';
Circulation like this, accurately records the weight of material that elevator bucket conveyer 3 is carried in a period of time, thus obtains the average operational throughput in this time period.Through repeatedly circulating for a long time, more accurate average discharge can be obtained, or obtain long-play to the impact of equipment parameters.
In step 3 and step 5, the first circulation chute 6 and the second circulation chute 6' convey materials are to storage bin hopper 7, and spout 36 feed of elevator bucket conveyer 3 given by storage bin hopper 7, forms circulation.
Be provided with charging sensor at spout 36, be provided with the gate opened and closed according to charging sensor in the bottom of storage bin hopper 7.
In preferred scheme, the actuating device of elevator bucket conveyer 3 adopts variable-frequency motor, and the torque sensor of setting and angular velocity sensor pass through PLC with variable-frequency motor or industrial computer forms closed loop control.Such as by the output speed of angular velocity sensor feedback variable-frequency motor, to realize the closed loop control of permanent rotating speed; Or by setting torque rating, realize the closed loop control of permanent moment of torsion.
The above embodiments are only the preferred technical solution of the present invention; and should not be considered as restriction of the present invention; the technical scheme that protection scope of the present invention should be recorded with claim, the equivalents comprising technical characteristic in the technical scheme of claim record is protection domain.Namely the equivalent replacement within the scope of this improves, also within protection scope of the present invention.
Claims (10)
1. an elevator bucket conveyer experimental set-up, it is characterized in that: discharge gate (31) below of elevator bucket conveyer (3) is provided with part flow arrangement (1), part flow arrangement (1) bottom is provided with switchable first discharging opening (108) and the second discharging opening (109), first discharging opening (108) below is provided with first and weighs hopper (2), and the second discharging opening (109) below is provided with second and weighs hopper (2');
First below of weighing hopper (2) is provided with the first circulation chute (6), (6') second hopper below (2') of weighing is provided with the second circulation chute, first circulation chute (6) and the second circulation chute (6') below are provided with storage bin hopper (7), and storage bin hopper (7) is positioned at spout (36) top of elevator bucket conveyer (3).
2. a kind of elevator bucket conveyer experimental set-up according to claim 1, it is characterized in that: in described elevator bucket conveyer (3), driving wheel (32) is connected with flower wheel (35) by trailer coupling (33), trailer coupling (33) is provided with multiple hopper (34), driving wheel (32) is connected with actuating device, and actuating device is provided with torque sensor and angular velocity sensor.
3. a kind of elevator bucket conveyer experimental set-up according to claim 1, it is characterized in that: (2') the described first hopper (2) and second hopper of weighing of weighing is bearing in frame (5) respectively by multiple LOAD CELLS (21), LOAD CELLS (21) is electrically connected with harvester, and the first hopper (2) and second hopper bottom (2') of weighing of weighing is respectively equipped with gate.
4. a kind of elevator bucket conveyer experimental set-up according to claim 1, it is characterized in that: in described part flow arrangement (1), rotating shaft (110) is provided with at the connecting portion of the first discharging opening (108) and the second discharging opening (109), rotating shaft (110) is fixedly connected with cutting plate (103), the termination of rotating shaft (110) is fixedly connected with driving wheel (104), driving wheel (104) is connected by flexible drive parts (107) with flower wheel (105), drives cylinder (106) to be connected with flexible drive parts (107).
5. a kind of elevator bucket conveyer experimental set-up according to claim 4, is characterized in that: drive the two ends in cylinder (106) cylinder to be rod chamber.
6. a kind of elevator bucket conveyer experimental set-up according to claim 1, it is characterized in that: the top of part flow arrangement (1) is a point hopper (101), is provided with stock guide (102) at point hopper (101) and the both sides of the first discharging opening (108) and the second discharging opening (109) connecting portion.
7. a kind of elevator bucket conveyer experimental set-up according to claim 6, it is characterized in that: described cutting plate (103) cross-sectional plane is the shape of medial recess, the cross-sectional plane of stock guide (102) is also the shape of corresponding medial recess.
8. adopt the elevator bucket conveyer experimental set-up described in any one of claim 1 ~ 7 to carry out a method for conveying test, it is characterized in that comprising the following steps:
One, part flow arrangement (1) is switched to the first discharging opening (108), the first closing gate of weighing hopper (2);
Two, storage bin hopper (7) is to the spout of elevator bucket conveyer (3) (36) feed, and elevator bucket conveyer (3) starts feeding, setting time opening (t
0), material is discharged to part flow arrangement (1) from the discharge gate (31) of elevator bucket conveyer (3), and be drained into first through the first discharging opening (108) and weigh in hopper (2), LOAD CELLS (21) starts to weigh;
Three, when the numerical value collecting LOAD CELLS (21) reaches setting value, part flow arrangement (1) is switched to the second discharging opening (109), first LOAD CELLS (21) of weighing hopper (2) is weighed and is obtained maxim, and obtained being transported to the first time period of weighing hopper (2), then starting gate discharge to the first circulation chute (6), starts to record mass transport simultaneously and weighs the hopper time opening (2') to second;
Four, after part flow arrangement (1) switching puts in place, material through the second discharging opening (109) be drained into second weigh hopper (2') in, LOAD CELLS (21) starts to weigh, when the numerical value collecting LOAD CELLS (21) reaches setting value, part flow arrangement (1) is switched to the first discharging opening (108);
Five, the second hopper LOAD CELLS (2') (21) of weighing is weighed and is obtained maxim, and obtains being transported to second and weigh the hopper time period (2'), and then starting gate discharge to the second circulation chute (6');
Circulation like this, accurately records the weight of material that elevator bucket conveyer (3) is carried in a period of time, thus obtains the average operational throughput in this time period.
9. the method for a kind of conveying test according to claim 8, it is characterized in that: in step 3 and step 5, first circulation chute (6) and the second circulation chute (6') convey materials to storage bin hopper (7), storage bin hopper (7), to the spout of elevator bucket conveyer (3) (36) feed, forms circulation;
Be provided with charging sensor at spout (36), be provided with the gate opened and closed according to charging sensor in the bottom of storage bin hopper (7).
10. the method for a kind of conveying test according to claim 8, is characterized in that: the actuating device of elevator bucket conveyer (3) adopts variable-frequency motor, and the torque sensor of setting and angular velocity sensor and variable-frequency motor form closed loop control.
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| CN106494673A (en) * | 2016-11-08 | 2017-03-15 | 长春理工大学 | A kind of online flowmeter of cereal |
| CN107261889A (en) * | 2017-08-04 | 2017-10-20 | 长沙开元仪器股份有限公司 | A kind of material evenly mixing device |
| CN108275478A (en) * | 2018-02-28 | 2018-07-13 | 宁夏贺兰山冶金有限公司 | Environment-friendly type batch bin |
| CN108516132A (en) * | 2018-05-29 | 2018-09-11 | 中国包装和食品机械有限公司 | A kind of potato high throughput classification blanking part flow arrangement |
| CN108940560A (en) * | 2018-07-16 | 2018-12-07 | 江阴双马重工装备有限公司 | A kind of remote control system with the crusher of unmanned operation on site |
| CN108940560B (en) * | 2018-07-16 | 2024-04-02 | 江阴双马重工装备有限公司 | Remote control system of crusher for field unmanned operation |
| CN109879014A (en) * | 2019-03-26 | 2019-06-14 | 宝钢集团新疆八一钢铁有限公司 | A kind of drying grate automatic distributing device |
| CN110006218A (en) * | 2019-05-05 | 2019-07-12 | 湖北金炉节能股份有限公司 | A kind of semi-coke drying device |
| WO2021188090A1 (en) * | 2020-03-16 | 2021-09-23 | Владимир Моисеевич КОВШАРЬ | Bucket elevator for bulk materials |
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| CN113148594A (en) * | 2021-04-14 | 2021-07-23 | 交通运输部天津水运工程科学研究所 | Automatic control system and control method for flow of bulk cargo unloading hopper group at port |
| CN113752618A (en) * | 2021-09-21 | 2021-12-07 | 山东西泰克仪器有限公司 | Automatic sampling inspection reflux device |
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