CN108811695A - A kind of anti-blocking cleaning plant of segmented and its control method of variable angle of heel - Google Patents

A kind of anti-blocking cleaning plant of segmented and its control method of variable angle of heel Download PDF

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Publication number
CN108811695A
CN108811695A CN201810686417.6A CN201810686417A CN108811695A CN 108811695 A CN108811695 A CN 108811695A CN 201810686417 A CN201810686417 A CN 201810686417A CN 108811695 A CN108811695 A CN 108811695A
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China
Prior art keywords
sieve plate
side sieve
idler wheel
segmented
push rod
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CN201810686417.6A
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CN108811695B (en
Inventor
马征
韩敏
李耀明
徐立章
唐忠
王建廷
虞顺成
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Jiangsu University
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Jiangsu University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D41/00Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/12Details of combines
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00Parts or details of threshing apparatus
    • A01F12/44Grain cleaners; Grain separators
    • A01F12/446Sieving means

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Threshing Machine Elements (AREA)

Abstract

The present invention provides the anti-blocking cleaning plant of the segmented of variable angle of heel and its control methods, including weighing sensor, left side sieve plate, main sieve plate, motor, cam, idler wheel push rod composite structure, right side sieve plate, controller, left side sieve plate, right side sieve plate can be rotated relative to main sieve plate;Two idler wheel push rod composite structures are respectively provided at left side sieve plate, below the sieve plate of right side, and respectively by a motor driven, the idler wheel below push rod is contacted with cam by cambered surface two cams;It is respectively equipped with weighing sensor on the left side sieve plate, right side sieve plate, weighing sensor is connected with controller, and controller controls the starting and closing of two motors according to the detection data of weighing sensor.The anti-blocking cleaning plant of segmented and its control method of variable angle of heel of the present invention, can be effectively prevented combine harvester and tilt in hillside fields operation leads to sieve the accumulated plugging of side material, improves screening efficiency and screening effect, improves cleaning efficiency.

Description

A kind of anti-blocking cleaning plant of segmented and its control method of variable angle of heel
Technical field
The invention belongs to agricultural mechanical field, in particular to sorting purpose device used in a kind of combine harvester, is one The anti-blocking cleaning plant of segmented and its control method of the variable angle of heel of kind.
Background technique
Cleaning is important link in agricultural production, and material, which needs for seed to be separated from the mixture after harvesting, to be come, Obtain clean seed.Combine harvester is in hillside fields operation, due to operation ground inclination etc., combine harvester lateral tilting Tiltedly, easily there is the case where sorting screen side material leads to accumulated plugging too much;For longitudinal axial flow detachment roller, taken off under threshing intaglio plate Material out is also biasing when reaching compass screen surface.Both the above situation will lead to compass screen surface and be born using insufficient, sieve side Situations such as weighing.When a kind of generation of both the above situation, if harvest object moisture it is relatively more, i.e., material humidity when, can add Weight left and right sides sieve pore blockade tendency.
The patent of invention of Patent No. CN103447230B discloses a kind of non-constant amplitude sorting purpose sieve, by rack, motor, The part such as vibrating screen, feed inlet, discharge port and vibrating mechanism forms, and mainly adds grade connecting rod by using eccentric wheel Shaker vibration is driven, and the series of front and back connecting rod is inconsistent, makes the direction of vibration diversification of compass screen surface, can reach better Screening effect.It is usual only in a kind of amplitude that the technical solution of the patent disclosure considers vibrating screen mechanism in existing sorting screen Under the conditions of work, the motion profile at each position of vibrating screen is identical, and the amplitude and oscillation intensity at each position are also identical, thus cannot solve Sieve pore blockade problem caused by certainly sorting screen feeding end and discharge end material thickness are inconsistent is different by amplitude before and after sorting screen This problem is well solved;The patent of invention of Patent No. CN104084372B discloses a kind of based on planar linkage mechanism Amplitude variable cleaning plant, be grouped as by material supply portion, material screening part and drive control part, it is main by real-time The suspension point and initial tilt of the preposition sunpender of screen box are adjusted, the amplitude of screen box front end is changed, is kept away in the variation of material feed quantity Exempt from material accumulation appearance in the screen box front end the case where;Both the above invention solves the inconsistent possibility of material thickness before and after compass screen surface The accumulated plugging problem of generation is suitable in grading operation, but it is left in hillside fields operation to solve combine harvester Right bank cause sieve side material it is too many caused by accumulated plugging problem.
Summary of the invention
The present invention is solution when hillside fields carries out the operation of mechanization combining in view of the deficiencies of the prior art mentioned above The problem of biasing accumulated plugging of side material caused by compass screen surface tilts, the segmented for providing a kind of variable angle of heel are anti-blocking clear Screening device and its control method.
The present invention achieves the above technical objects by the following technical means.
A kind of anti-blocking cleaning plant of segmented of variable angle of heel, it is characterised in that:It is sieved including weighing sensor, left side Plate, main sieve plate, motor, cam, idler wheel push rod composite structure, right side sieve plate, controller, the left side sieve plate, right side sieve plate point It is not connect between main sieve plate by connecting bushing, and left side sieve plate, right side sieve plate can be rotated relative to main sieve plate;
Two idler wheel push rod composite structures are separately positioned on left side sieve plate, below the sieve plate of right side, mainly by idler wheel, push away Bar and spring composition, one end of push rod are fixed on left side sieve plate or right side sieve plate, and idler wheel is mounted in the other end of push rod, spring pocket On push rod and it is in compressive state;
Two cams are fixed on the rack, and respectively by a motor driven, the idler wheel is contacted with cam by cambered surface;
It is respectively equipped with weighing sensor on the left side sieve plate, right side sieve plate, weighing sensor is connected with controller, control Device controls the starting and closing of two motors according to the detection data of weighing sensor.
Further, it is fixed, opposite can not be turned using interference fit between left side sieve plate, right side sieve plate and connecting bushing It is dynamic;It is gap-matched, can relatively rotate between main sieve plate and connecting bushing.
Further, motor is connect by transmission shaft with cam.
Further, idler wheel is magnetic substance idler wheel, and idler wheel is contacted by magnetic attracting force with cam cambered surface.
Further, fixed triangle steelframe is distinguished on left side sieve plate, right side sieve plate and the screen frame of main sieve plate contact position.
Further, the variable angle range between left side sieve plate, right side sieve plate and main sieve plate is 0 °~10 °.
Further, idler wheel push rod composite structure is mounted on away from sorting screen feeding end 2/5.
Further, left side sieve plate, the weighing sensor acquisition left side sieve plate on the sieve plate of right side are evenly arranged on, on the sieve plate of right side Weight of material, signal is passed into controller, controller judges left side sieve plate, whether the material on the sieve plate of right side overweight, if It is overweight, control electric motor starting, driving left side sieve plate and/or right side sieve plate run-off the straight.
The beneficial effects of the invention are as follows:
1, by the adjusting to left and right sides sieve plate inclination angle, left and right sides sieve plate can be shaken up and down, effectively prevent in hillside fields Material accumulation blockage problem in side is sieved caused by combine harvester tilts when operation.
2, it is mounted on by the transmission mechanism that push rod, cam, motor and four part of transmission shaft form apart from sorting screen feeding end It at 2/5, spreads out convenient for material, is preferably sieved as early as possible, improve screening efficiency and screening effect.
3, idler wheel material selection magnet can be adsorbed on cam face always, and cam and idler wheel is effectively prevent to separate.
4, the installation of spring can play the role of certain support compass screen surface, can also play pressing device.
5, when side sieve plate is in horizontal position, triangular steel erects supporting role, can prevent sieve plate from moving downward.
6, left and right sides sieve plate is separately controlled with two motors, has preferably saved the energy, there is the work of side sieve plate more Efficiency.
7, operation of the present invention is convenient, structure is simple, easy to accomplish.
Detailed description of the invention
Fig. 1 is the shaft side figure of the anti-blocking cleaning plant of segmented of variable angle of heel of the present invention.
Fig. 2 is the anti-blocking cleaning plant main view of segmented of variable angle of heel of the present invention.
Fig. 3 is the partial enlarged view of cam transfer bar mechanism in the present invention.
Fig. 4 is the enlarged drawing of heretofore described left side sieve plate, right side sieve plate and main sieve plate contact position.
Fig. 5 is the control flow chart of the anti-blocking cleaning plant of segmented of variable angle of heel of the present invention.
In figure:1- weighing sensor, the left side 2- sieve plate, 3- triangle steelframe, the main sieve plate of 4-, 5- connecting bushing, 6- screen frame, 7- Motor, 8- transmission shaft, 9- cam, 10- idler wheel push rod composite structure are recessed on grating that 10-1 is connect with push rod, 10-2 push rod Slot, 10-3 spring, 10-4 push rod, 10-5U template, 10-6 idler wheel, 10-7 roller shaft, the right side 11- sieve plate, 12- controller.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously It is without being limited thereto.
As shown in Figure 1, the anti-blocking cleaning plant of segmented of variable angle of heel of the present invention, including weighing sensor 1, Left side sieve plate 2, main sieve plate 4, motor 7, cam 9, idler wheel push rod composite structure 10, right side sieve plate 11, controller 12, the left side Sieve plate 2, right side sieve plate 11 are connect between main sieve plate 4 by connecting bushing 5 respectively, and left side sieve plate 2, right side sieve plate 11 can It is rotated relative to main sieve plate 4.Specifically, being used between left side sieve plate 2, right side sieve plate 11 and connecting bushing 5 in the present embodiment Cooperation of being full of is fixed, can not be relatively rotated;It is gap-matched, can relatively rotate between main sieve plate 4 and connecting bushing 5.
As shown in Figure 2 and Figure 3, two idler wheel push rod composite structures are separately positioned on left side sieve plate 2, right side sieve plate 11 Lower section is mainly made of idler wheel 10-6, push rod 10-4 and spring 10-3, and one end of push rod 10-4 is equipped with groove 10-2, left side The grating 10-1 of sieve plate 2 or right side sieve plate 11 is embedded in the groove 10-2.U-shaped board 10- is arranged in the other end of push rod 10-4 5, idler wheel 10-6 improve roller shaft 10-7 on U-shaped board 10-5.Spring 10-3 is covered on push rod and can be transported push rod 10-4 relatively Dynamic, spring 10-3 is in compressive state, plays support and pressing cam 9 and push rod 10-4.Two cams 9 are fixed on rack On, it is driven respectively by a motor 7, i.e. two motors 7 control the movement of two sides cam 9 respectively.Motor 7 by transmission shaft 8 with Cam 9 connects, and the idler wheel 10-6 is contacted with the cambered surface of cam 9.Push rod 10-4,8 four part group of cam 9, motor 7 and transmission shaft At transmission mechanism.Specifically, idler wheel 10-6 is magnetic substance idler wheel in the present embodiment, idler wheel passes through magnetic attracting force and 9 arc of cam Face contact.
Weighing sensor 1, weighing sensor 1 and 12 phase of controller are respectively equipped on the left side sieve plate 2, right side sieve plate 11 Even, controller 12 controls the starting and closing of two motors 7 according to the detection data of weighing sensor 1.
The control method of the anti-blocking cleaning plant of segmented of variable angle of heel of the present invention, as shown in figure 5, firstly, It is evenly arranged on left side sieve plate 2, the acquisition of the weighing sensor 1 left side sieve plate 2 on right side sieve plate 11, the weight of material on right side sieve plate 11 Analog data collection, signal is passed into controller 12, carry out A/D conversion and digital quantity to weighing-up wave data turn It changes, controller 12 judges left side sieve plate 2, whether the material on right side sieve plate 11 is overweight, such as 1kg, and motor is controlled if overweight Starting, driving left side sieve plate 2 and/or 11 run-off the straight of right side sieve plate.
In the present invention left side sieve plate 2, right side sieve plate 11, can be moved relative to main sieve plate 4;Weighing sensor 1 is in left and right two Side compass screen surface is uniformly distributed, and signal is passed to two side controllers 12 respectively, and controller 12 controls the starting of motor 7 and closes.Two Motor 7 respectively drives two cams 9 and moves, and cam 9 drives left side sieve plate 2, right side sieve plate by idler wheel push rod composite structure 10 11 move together, adjust the inclination angle of side sieve plate, and left and right sides sieve plate can be shaken up and down, effectively prevent combining in hillside fields operation and receive Sieve side material accumulation blockage problem caused by cutting mill tilts.Between left side sieve plate 2, right side sieve plate 11 and main sieve plate 4 Variable angle range is 0 °~10 °.The size of angle of heel is adjusted by cam follower, and when side, sieve plate is when in a horizontal state, is rolled Angle is 0 °;When side, sieve plate moves to the extreme higher position that can be reached, angle of heel is 10 °.The frequency of angle of heel variation passes through electricity The revolving speed of machine 7 controls, and motor 7 selects alternating current generator, power bracket 3.5-4.5kw.
Fixed triangle steelframe 3 is distinguished on left side sieve plate 2, right side sieve plate 11 and the screen frame of main 4 contact position of sieve plate, such as Fig. 4 institute Show, plays a supportive role when left side sieve plate 2, right side sieve plate 11 are in horizontal position.
Idler wheel push rod composite structure 10 is mounted on away from sorting screen feeding end 2/5, is spread out as early as possible convenient for material, more preferably Ground sieving, improves screening efficiency and screening effect.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement Or modification all belongs to the scope of protection of the present invention.

Claims (8)

1. a kind of anti-blocking cleaning plant of segmented of variable angle of heel, it is characterised in that:It is sieved including weighing sensor (1), left side Plate (2), main sieve plate (4), motor (7), cam (9), idler wheel push rod composite structure (10), right side sieve plate (11), controller (12),
The left side sieve plate (2), right side sieve plate (11) are connect between main sieve plate (4) by connecting bushing (5) respectively, and left side Sieve plate (2), right side sieve plate (11) can be rotated relative to main sieve plate (4);
Two idler wheel push rod composite structures (10) are separately positioned on left side sieve plate (2), below right side sieve plate (11), mainly by Idler wheel (10-6), push rod (10-4) and spring (10-3) composition, one end of push rod (10-4) are fixed on left side sieve plate (2) or right side On sieve plate (11), idler wheel (10-6) is mounted in the other end of push rod, and spring (10-3) covers on push rod and in compressive state;
Two cams (9) are fixed on the rack, and are driven respectively by a motor (7), and the idler wheel (10-6) passes through with cam (9) Cambered surface contact;
It is respectively equipped with weighing sensor (1) on the left side sieve plate (2), right side sieve plate (11), weighing sensor (1) and controller (12) it is connected, controller (12) controls the starting and closing of two motors (7) according to the detection data of weighing sensor (1).
2. the anti-blocking cleaning plant of segmented of variable angle of heel according to claim 1, it is characterised in that:Left side sieve plate (2), it is fixed, can not be relatively rotated using interference fit between right side sieve plate (11) and connecting bushing (5);Main sieve plate (4) and company Spindle set is gap-matched between (5), can relatively rotate.
3. the anti-blocking cleaning plant of segmented of variable angle of heel according to claim 1, it is characterised in that:Motor (7) is logical Transmission shaft (8) is crossed to connect with cam (9).
4. the anti-blocking cleaning plant of segmented of variable angle of heel according to claim 1, it is characterised in that:Idler wheel (10-6) For magnetic substance idler wheel, idler wheel is contacted by magnetic attracting force with cam (9) cambered surface.
5. the anti-blocking cleaning plant of segmented of variable angle of heel according to claim 1, it is characterised in that:Left side sieve plate (2), fixed triangle steelframe (3) are distinguished on right side sieve plate (11) and the screen frame of main sieve plate (4) contact position.
6. the anti-blocking cleaning plant of segmented of variable angle of heel according to claim 1, it is characterised in that:Left side sieve plate (2), the variable angle range between right side sieve plate (11) and main sieve plate (4) is 0 °~10 °.
7. the anti-blocking cleaning plant of segmented of variable angle of heel according to claim 1, it is characterised in that:Idler wheel push rod group Structure (10) are closed to be mounted on away from sorting screen feeding end 2/5.
8. the control method of the anti-blocking cleaning plant of segmented of variable angle of heel according to claim 1, it is characterised in that: It is evenly arranged on left side sieve plate (2), weighing sensor (1) the acquisition left side sieve plate (2) on right side sieve plate (11), on right side sieve plate (11) Weight of material, signal is passed to controller (12), controller (12) judgement left side sieve plate (2), on right side sieve plate (11) Whether material is overweight, and motor (7) starting is controlled if overweight, and driving left side sieve plate (2) and/or right side sieve plate (11) incline Tiltedly.
CN201810686417.6A 2018-06-28 2018-06-28 Sectional type anti-blocking cleaning device with variable side inclination angle and control method thereof Active CN108811695B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110249780A (en) * 2019-05-22 2019-09-20 江苏大学 A kind of sorting screen surface material state monitoring system and control method and combine harvester
CN114846989A (en) * 2022-06-15 2022-08-05 农业农村部南京农业机械化研究所 Combine harvester suitable for harvesting multi-variety green manure crops
CN114931029A (en) * 2022-06-15 2022-08-23 农业农村部南京农业机械化研究所 Load monitoring based layered impurity control device for cleaning sieve and preventing blockage

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2203683C (en) * 1996-12-30 2005-01-04 Mark Ray Underwood Combine ripple pan
WO2015069993A2 (en) * 2013-11-08 2015-05-14 Cnh Industrial America Llc Equipment protection using a grain tank level sensor
CN205758462U (en) * 2016-05-03 2016-12-07 李刚 Wall cleaning plant used by a kind of finishing
CN106717594A (en) * 2016-12-27 2017-05-31 江苏大学 A kind of combined harvester sorting screen inclination angle self-checking device
CN207275616U (en) * 2017-10-05 2018-04-27 河北铠源输送机械有限公司 A kind of tilt adjustable deviation correcting device
CN207382953U (en) * 2016-12-27 2018-05-22 江苏大学 A kind of sieve spacing and dip-adjustable type combined harvester sorting screen
CN207446667U (en) * 2017-09-30 2018-06-05 上海彩凤环保科技股份有限公司 A kind of screen for cleaning powder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2203683C (en) * 1996-12-30 2005-01-04 Mark Ray Underwood Combine ripple pan
WO2015069993A2 (en) * 2013-11-08 2015-05-14 Cnh Industrial America Llc Equipment protection using a grain tank level sensor
CN205758462U (en) * 2016-05-03 2016-12-07 李刚 Wall cleaning plant used by a kind of finishing
CN106717594A (en) * 2016-12-27 2017-05-31 江苏大学 A kind of combined harvester sorting screen inclination angle self-checking device
CN207382953U (en) * 2016-12-27 2018-05-22 江苏大学 A kind of sieve spacing and dip-adjustable type combined harvester sorting screen
CN207446667U (en) * 2017-09-30 2018-06-05 上海彩凤环保科技股份有限公司 A kind of screen for cleaning powder
CN207275616U (en) * 2017-10-05 2018-04-27 河北铠源输送机械有限公司 A kind of tilt adjustable deviation correcting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110249780A (en) * 2019-05-22 2019-09-20 江苏大学 A kind of sorting screen surface material state monitoring system and control method and combine harvester
CN114846989A (en) * 2022-06-15 2022-08-05 农业农村部南京农业机械化研究所 Combine harvester suitable for harvesting multi-variety green manure crops
CN114931029A (en) * 2022-06-15 2022-08-23 农业农村部南京农业机械化研究所 Load monitoring based layered impurity control device for cleaning sieve and preventing blockage
CN114846989B (en) * 2022-06-15 2023-08-25 农业农村部南京农业机械化研究所 Combine harvester suitable for harvesting multiple green manure crops

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