CN204518542U - A kind of combine harvester cleaning fan - Google Patents

A kind of combine harvester cleaning fan Download PDF

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Publication number
CN204518542U
CN204518542U CN201520125123.8U CN201520125123U CN204518542U CN 204518542 U CN204518542 U CN 204518542U CN 201520125123 U CN201520125123 U CN 201520125123U CN 204518542 U CN204518542 U CN 204518542U
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China
Prior art keywords
air outlet
stepping motor
plate
lower air
fan
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Withdrawn - After Issue
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CN201520125123.8U
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Chinese (zh)
Inventor
李耀明
梁振伟
徐立章
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Jiangsu University
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Jiangsu University
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Abstract

The utility model relates to a kind of combine harvester cleaning fan, comprises hydraulic motor, air inlet, upper air outlet, spiral case and lower air outlet, and described lower air outlet place is provided with lower air outlet split-wind plate with lower air outlet split-wind plate , described air inlet is provided with intake governor motion, described lower air outlet split-wind plate on the first angle adjusting mechanism is installed, described lower air outlet split-wind plate on the second angle adjusting mechanism is installed, described hydraulic motor, described intake governor motion, described first angle adjusting mechanism are all connected with control processor with described second angle adjusting mechanism.After applying the cleaning fan that the utility model proposes, production efficiency and the complete machine time between failures of combine harvester can be significantly improved.

Description

A kind of combine harvester cleaning fan
Technical field
The invention belongs to combine harvester design field, be specifically related to a kind of combine harvester cleaning fan.
Background technology
Cleaning plant is combined harvester " digestive system ", and being affects overall operation quality, efficiency and adaptive core work parts.The rice combine that in China market, recoverable amount is maximum adopts traditional Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve mostly, cleaning fan is as an important component part of cleaning plant, mainly for generation of cleaning air-flow and according to the difference of component each in emersion object (comprising seed, short stem, clever shell and a small amount of light assorted remaining etc.) floatation characteristic, coordinate double-deck vibration wire gauze sieve or lip(ped) sieve, jointly complete seed and stem stalk, assorted more than etc. separating cleaning.Because combined harvester manipulating object significant difference, working condition are ever-changing, operating environment complex all causes remarkable impact to the performance of cleaning plant, tradition cleaning fan part-structure and kinematic parameter can only by manual mode, empirically carry out having level to regulate, cannot according to the change of manipulating object and environment, the job state parameter of automatic adjustment cleaning fan ensures the transaction capabilities of combined harvester, and its results adaptability is poor.
Under the condition ensureing sorting performance, it is the inexorable trend of cleaning technical development that the running parameter of cleaning fan can carry out self-adaptative adjustment according to operating condition.Make a general survey of external advanced combined harvester, electronic information technology obtains extensive utilization thereon, combining function adjusts various running parameter automatically according to the operation quality in operation process, while enhancing productivity, fault rate is controlled within the specific limits, substantially increases the time between failures of complete machine simultaneously.Compared with the combined harvester of American-European trans-corporation advanced person, China's combine harvester is mostly only provided with blocking, tanker a small amount of warning device such as completely, generally shortage running parameter and transaction capabilities are monitored, electronic/automatic adjustment of running parameter waits Intellectualized monitoring device, make machinery operation unstable properties, operating efficiency relies on the qualification of tractor driver, and it is large to handle intensity, plugging fault takes place frequently, its time between failures abroad type 1/5th, cannot adapt to meet China's paddy rice large-scale production and rice oil (wheat) crop rotation district and the job requirements such as rush-harvest and rush-plant.
Summary of the invention
For achieving the above object, the invention provides a kind of combine harvester job parameter can the cleaning fan of Automatic adjusument.
For achieving the above object, present invention employs by following technological means: a kind of combine harvester cleaning fan, comprise hydraulic motor, air inlet, upper air outlet, spiral case and lower air outlet, described lower air outlet place is provided with lower air outlet split-wind plate with lower air outlet split-wind plate , described air inlet is provided with intake governor motion, described lower air outlet split-wind plate on the first angle adjusting mechanism is installed, described lower air outlet split-wind plate on the second angle adjusting mechanism is installed, described hydraulic motor, described intake governor motion, described first angle adjusting mechanism are all connected with control processor with described second angle adjusting mechanism.
Further, described spiral case is provided with becalm connecting hole and semilune on plate of semilune and becalms connecting hole under plate, described blower fan intake governor motion comprises direct current drive push rod and semilune and to becalm plate, described direct current drive push rod is arranged on spiral case, becalm one end of plate of described semilune is connected with the rod end arthrodesis on the projecting shaft of direct current drive push rod by semilune connecting hole on plate of becalming, the becalm other end of plate of described semilune is connected with spiral case revolute pair by semilune connecting hole under plate of becalming, described control processor controls air inlet air quantity by the motion controlling described direct current drive push rod projecting shaft.
Further, described lower air outlet split-wind plate on be fixed with hanger and hanger , described spiral case has circular arc first slideway, described first angle adjusting mechanism comprises the first stepping motor, the first swingle and the first stepping motor support frame; First stepping motor is arranged on spiral case by the first stepping motor support frame, and one end of the first swingle is fixedly mounted on the output shaft of the first stepping motor, described hanger be connected with the output shaft rotation pair of described first stepping motor, the other end of described first swingle and described hanger revolute pair connects; Air outlet split-wind plate under described first stepping motor drives under the control of control processor slide in described circular arc first slideway, thus realize lower air outlet split-wind plate angular adjustment.
Further, described lower air outlet split-wind plate be fixed with hanger IV and hanger III, described spiral case have circular arc second slideway, described second angle adjusting mechanism comprises the second stepping motor, the second swingle and the second stepping motor support frame; Second stepping motor is arranged on spiral case by the second stepping motor support frame, described second swingle one end is fixedly mounted on the output shaft of the second stepping motor, described hanger IV is connected with the output shaft rotation pair of described second stepping motor, and the other end of described second swingle is connected with described hanger III revolute pair; Air outlet split-wind plate under described second stepping motor drives under the control of control processor slide in described circular arc second slideway, thus realize lower air outlet split-wind plate angular adjustment.
Further, hydraulic motor installing plate is also comprised, shaft coupling, fan blade, fan shaft, bearing block; Described fan blade is uniform to be arranged on fan shaft, fan shaft is arranged in frame by the bearing block at two ends, hydraulic motor installing plate is bolted in frame, hydraulic motor is arranged on hydraulic motor installing plate, and the center line of hydraulic motor output shaft is overlapped with the center line of fan shaft, fan shaft is connected with the projecting shaft of hydraulic motor by shaft coupling; Hydraulic motor realizes the adjustment of cleaning fan rotating speed under the control of the controller.
Beneficial effect of the present invention: combine harvester cleaning fan provided by the invention, due to hydraulic motor, intake governor motion, first angle adjusting mechanism is all connected with control processor with the second angle adjusting mechanism, control processor can adjust rotation speed of fan automatically according to the operation quality in operation process, the parameters such as intake air-out direction, overcome the transaction capabilities of large feed quantity rice combine, efficiency and the adaptive technical bottleneck of results, realize automatically adjusting various running parameter according to the operation quality in operation process, while enhancing productivity, fault rate is controlled within the specific limits, substantially increase the time between failures of complete machine simultaneously.
Accompanying drawing explanation
Fig. 1 is cleaning fan front view.
Fig. 2 is cleaning fan intake governor motion installation site front view.
Fig. 3 is cleaning fan rotating speed adjusting mechanism structure chart.
Fig. 4 is air outlet split-wind plate under cleaning fan front view.
Fig. 5 is the structural front view of cleaning fan first stepping motor, the first swingle and the first stepping motor support frame.
Fig. 6 is the structure left view of cleaning fan first stepping motor, the first swingle and the first stepping motor support frame.
Fig. 7 is air outlet split-wind plate under cleaning fan front view.
Fig. 8 is the front view of cleaning fan second stepping motor, the second swingle and the second stepping motor support frame.
Fig. 9 is the left view of cleaning fan second stepping motor, the second swingle and the second stepping motor support frame.
In figure: the upper air outlet of 1-, 2-cleaning fan intake governor motion, 3-cleaning fan rotating speed adjusting mechanism, 4-spiral case, air outlet under 5-, 6 times air outlet split-wind plate I, air outlet split-wind plate II under 7-; 2-1-direct current drive push rod, 2-2-semilune is becalmed connecting hole on plate, and 2-3-semilune is becalmed plate, and 2-4-semilune is becalmed connecting hole under plate, 3-1-hydraulic motor, 3-2-hydraulic motor installing plate, 3-3-shaft coupling, 3-4-cleaning fan blade, 3-5-cleaning fan axle, 3-6-bearing block; 6-1-hanger I, 6-2-first stepping motor, 6-3-first swingle, 6-5-first slideway, 6-6-hanger II, 6-7-first stepping motor support frame, 7-1-hanger IV, 7-2-second stepping motor, 7-3 second swingle, 7-5-second slideway, 7-6 hanger III, 7-7 second stepping motor support frame.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As shown in Figure 1, cleaning fan by upper air outlet 1, cleaning fan intake governor motion 2, cleaning fan rotating speed adjusting mechanism, spiral case 4, lower air outlet 5, lower air outlet split-wind plate 6, lower air outlet split-wind plate 7 compositions.
As shown in Figure 2, cleaning fan intake governor motion 2 comprises direct current drive push rod 2-1, and semilune is becalmed connecting hole 2-2 on plate, and semilune is becalmed plate 2-3, and the semilune connecting hole 2-4 under plate that becalms forms; Direct current drive push rod 2-1 is arranged on spiral case 4 sidewall, becalm one end of plate 2-3 of semilune is connected with the spherical plain bearing rod end on the projecting shaft of direct current drive push rod 2-1 by the semilune connecting hole 2-2 on plate that becalms, and the becalm other end of plate 2-3 of semilune is flexibly connected with the outer wall of air outlet under blower fan 504 by the semilune connecting hole 2-4 under plate that becalms; Direct current drive push rod 2-1 is connected with control processor by holding wire, in the course of work, control processor controls the motion of direct current drive push rod 2-1 projecting shaft, and then promote the semilune plate 2-3 that becalms and rotate around the semilune connecting hole 2-4 under plate that becalms, realize the adjustment of air inlet aperture, to control air inlet air quantity.
As shown in Figure 3, cleaning fan rotating speed adjusting mechanism 3 is by hydraulic motor 3-1, and hydraulic motor installing plate 3-2, shaft coupling 3-3, fan blade 3-4, fan shaft 3-5, bearing block 3-6 form; Fan blade 3-4 is uniform to be arranged on fan shaft 3-5, fan shaft 3-5 is arranged in frame by the bearing block 3-6 at two ends, hydraulic motor installing plate 3-2 is bolted in frame, hydraulic motor 3-1 is arranged on hydraulic motor installing plate 3-2, and the center line of hydraulic motor 3-1 output shaft is overlapped with the center line of fan shaft 3-5, with shaft coupling 3-3, fan shaft 3-5 is connected with the projecting shaft of hydraulic motor 3-1.Hydraulic motor 3-1 is connected with control processor by holding wire, and under the control of control processor, the controller of hydraulic motor 3-1 drives the relevant execution unit of hydraulic motor 3-1 with hydraulic control motor 3-1 rotating speed, and then realizes the adjustment of cleaning fan rotating speed.
As shown in Figure 4,5, 6, cleaning fan split-wind plate 6 are provided with hanger 6-1 and hanger II6-6, the first angle adjusting mechanism comprises the first stepping motor 6-2, the first swingle 6-3 and the first stepping motor support frame 6-7; First stepping motor 6-2 is arranged on spiral case 4 by the first stepping motor support frame 6-7, and one end of the first swingle 6-3 is arranged on the output shaft of the first stepping motor 6-2, hanger 6-1 is fixed on the output shaft of the first stepping motor 6-2; Spiral case 4 is outputed circular arc first slideway 6-5, and the other end of the first swingle 6-3 is through circular arc first slideway 6-5 and hanger 6-6 is connected.First stepping motor 6-2 is connected with control processor by holding wire, and in the course of work, the first stepping motor 6-2 realizes rotating forward or backwards under the control of control processor, and then drives cleaning fan split-wind plate 6 rotate, and realize cleaning fan split-wind plate the adjustment of 6 angles.
As shown in Fig. 7,8,9, cleaning fan split-wind plate 7 are provided with 7-1-hanger IV and 7-6 hanger III, and the second angle adjusting mechanism comprises the second stepping motor 7-2, the second swingle 7-3 and the second stepping motor support frame 7-7; Second stepping motor 7-2 is arranged on spiral case 4 by the second stepping motor support frame 7-7, and one end of the second swingle 7-3 is arranged on the output shaft of the second stepping motor 7-2, and hanger IV 7-1 is fixed on the output shaft of stepping motor 7-2; Spiral case 4 is outputed circular arc second slideway 7-5, and the other end of the second swingle 7-3 is connected with hanger III 7-6 through circular arc second slideway 7-5.Second stepping motor 7-2 is connected with control processor by holding wire, and in the course of work, the second stepping motor 7-2 realizes rotating forward or backwards under the control of control processor, and then drives lower air outlet split-wind plate 7 rotate, and realize lower air outlet split-wind plate the adjustment of 7 angles.
Taking arm processor as the embedded control system hardware platform that core is built, Embedded (SuSE) Linux OS is the control processor that compiler language designs with C++.In the course of work, first utilize 4 running parameters (lower air outlet split-wind plate of control processor Real-time Obtaining cleaning fan angle, lower air outlet split-wind plate angle, rotation speed of fan, air inlet aperture), and characterize the job state of cleaning fan according to grain loss monitoring sensor and tanker seed percentage of impurity automated watch-keeping facility Real-time Obtaining 2 performance parameters (seed cleaning percent of loss, tanker seed percentage of impurity), then, control processor carries out to Monitoring Data that abnormal data substitutes, the pretreatment such as Completing Missing Values, Data Denoising, to eliminate random, uncertain factor to the impact of subsequent data analysis, then, 4 of cleaning fan running parameters and 2 performance parameter time series are considered as associated variable, based on Monitoring Data pretreatment, using forecasting effective measure as the assessment level of precision of prediction, apply Bayesian Network Inference respectively and extract the strong associated variable of cleaning plant each performance parameter time series, by each performance parameter timed sample sequence reconstruct dimension of chaos phase space reconstruction method determination multivariable cleaning plant and in conjunction with Grey Relevant Cluster Analysis method and Gaussian process regression model, dynamically determine cleaning plant each performance parameter timed sample sequence the best reconstruct dimension, apply Hilbert-Huang (HHT) analytical method again, by empirical mode decomposition (EMD), the Time Series of cleaning plant performance parameter is become the superposition of different instantaneous frequency intrinsic mode function (IMF) component, set up cleaning plant each performance parameter adaptive prediction model according to cleaning plant performance parameter seasonal effect in time series temporal characteristics, with the predicted value of cleaning plant performance parameter adaptive prediction model for sample inputs, export using variable regression criterion as sample, by multivariate core support vector regression (MSVR) to cleaning plant each performance parameter adaptive prediction model regression criterion carry out regression analysis, further predicted value is revised, last control processor with by the cleaning plant each performance indications parameter prediction value after multivariate core support vector regression (MSVR) Modifying model for input variable, application fuzzy control theory, enter comprehensive analysis and judgement, export the lower air outlet split-wind plate that corresponding control signal acts on cleaning fan in real time angle, lower air outlet split-wind plate angle, rotation speed of fan, on air inlet opening adjustment mechanism and the real-time adjustment completed each running parameter of cleaning fan, be distributed in rational scope to make each performance parameter of cleaning plant.
Described embodiment is preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.

Claims (5)

1. a combine harvester cleaning fan, comprises hydraulic motor (3-1), air inlet, upper air outlet (1), spiral case (4) and lower air outlet (5), and described lower air outlet (5) place is provided with lower air outlet split-wind plate with lower air outlet split-wind plate , it is characterized in that, described air inlet is provided with intake governor motion (2), described lower air outlet split-wind plate (6) the first angle adjusting mechanism is installed, described lower air outlet split-wind plate on (7) be provided with the second angle adjusting mechanism on, described hydraulic motor (3-1), described intake governor motion (2), described first angle adjusting mechanism are all connected with control processor with described second angle adjusting mechanism.
2. a kind of combine harvester cleaning fan according to claim 1, it is characterized in that, described spiral case (4) is provided with becalm connecting hole (2-2) and semilune on plate of semilune and becalms connecting hole (2-4) under plate, described blower fan intake governor motion (2) comprises direct current drive push rod (2-1) and semilune and to becalm plate (2-3), described direct current drive push rod (2-1) is arranged on spiral case (4), becalm one end of plate (2-3) of described semilune is connected with the rod end arthrodesis on the projecting shaft of direct current drive push rod (2-1) by semilune connecting hole (2-2) on plate of becalming, the becalm other end of plate (2-3) of described semilune is connected with spiral case (4) revolute pair by semilune connecting hole (2-4) under plate of becalming, described control processor controls air inlet air quantity by the motion controlling described direct current drive push rod (2-1) projecting shaft.
3. a kind of combine harvester cleaning fan according to claim 1, is characterized in that, described lower air outlet split-wind plate (6) hanger is fixed with on (6-1) and hanger (6-6), described spiral case (4) has circular arc first slideway (6-5), described first angle adjusting mechanism comprises the first stepping motor (6-2), the first swingle (6-3) and the first stepping motor support frame (6-7); First stepping motor (6-2) is arranged on spiral case (4) by the first stepping motor support frame (6-7), and one end of the first swingle (6-3) is fixedly mounted on the output shaft of the first stepping motor (6-2), described hanger (6-1) be connected with the output shaft rotation pair of described first stepping motor (6-2), the other end of described first swingle (6-3) and described hanger (6-6) revolute pair connects; Air outlet split-wind plate under described first stepping motor (6-2) drives under the control of control processor (6) slide in described circular arc first slideway (6-5), thus realize lower air outlet split-wind plate (6) angular adjustment.
4. a kind of combine harvester cleaning fan according to claim 1, is characterized in that, described lower air outlet split-wind plate (7) hanger IV(7-1 is fixed with) and hanger III(7-6), described spiral case (4) has circular arc second slideway (7-5), described second angle adjusting mechanism comprises the second stepping motor (7-2), the second swingle (7-3) and the second stepping motor support frame (7-7); Second stepping motor (7-2) is arranged on spiral case (4) by the second stepping motor support frame (7-7), described second swingle (7-3) one end is fixedly mounted on the output shaft of the second stepping motor (7-2), described hanger IV(7-1) be connected with the output shaft rotation of described second stepping motor (7-2) pair, the other end and the described hanger III(7-6 of described second swingle (7-3)) revolute pair is connected; Air outlet split-wind plate under described second stepping motor (7-2) drives under the control of control processor (7) slide in described circular arc second slideway (7-5), thus realize lower air outlet split-wind plate (7) angular adjustment.
5. a kind of combine harvester cleaning fan according to claim 1, is characterized in that, also comprises hydraulic motor installing plate (3-2), shaft coupling (3-3), fan blade (3-4), fan shaft (3-5), bearing block (3-6); Described fan blade (3-4) is uniform to be arranged on fan shaft (3-5), fan shaft (3-5) is arranged in frame by the bearing block (3-6) at two ends, hydraulic motor installing plate (3-2) is bolted in frame, hydraulic motor (3-1) is arranged on hydraulic motor installing plate (3-2), and the center line of hydraulic motor (3-1) output shaft is overlapped with the center line of fan shaft (3-5), fan shaft (3-5) is connected by the projecting shaft of shaft coupling (3-3) with hydraulic motor (3-1); Hydraulic motor (3-1) realizes the adjustment of cleaning fan rotating speed under the control of the controller.
CN201520125123.8U 2015-03-04 2015-03-04 A kind of combine harvester cleaning fan Withdrawn - After Issue CN204518542U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104756680A (en) * 2015-03-04 2015-07-08 江苏大学 Cleaning blower for combined grain harvester
CN107670985A (en) * 2017-11-27 2018-02-09 梧州市中茗茶业有限公司 Tea winnower
CN109076794A (en) * 2017-12-22 2018-12-25 江苏沃得农业机械有限公司 A kind of electric speed regulation mechanism for harvester centrifugal fan

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104756680A (en) * 2015-03-04 2015-07-08 江苏大学 Cleaning blower for combined grain harvester
CN107670985A (en) * 2017-11-27 2018-02-09 梧州市中茗茶业有限公司 Tea winnower
CN109076794A (en) * 2017-12-22 2018-12-25 江苏沃得农业机械有限公司 A kind of electric speed regulation mechanism for harvester centrifugal fan
CN109076794B (en) * 2017-12-22 2024-01-30 江苏沃得农业机械股份有限公司 Electric speed regulating mechanism for cleaning fan of harvester

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Granted publication date: 20150805

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