CN104782318A - Test system and method for testing field performance of combine harvester - Google Patents
Test system and method for testing field performance of combine harvester Download PDFInfo
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- CN104782318A CN104782318A CN201510183716.4A CN201510183716A CN104782318A CN 104782318 A CN104782318 A CN 104782318A CN 201510183716 A CN201510183716 A CN 201510183716A CN 104782318 A CN104782318 A CN 104782318A
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Abstract
The invention discloses a test system and method for testing the field performance of a combine harvester and belongs to testing devices for combine harvesters. The test system is composed of a header, a conveying device, a flow cutting roller, two longitudinal axial flow rollers, a vibrating screen, a draught fan, a traveling device, an engine, a transmission system, a hydraulic system, an electrical system and the like. Power is supplied to the flow cutting roller, the two longitudinal axial flow rollers, the vibrating screen and the draught fan by hydraulic motors which are independent of one another respectively, corresponding sensors are installed on the flow cutting roller, the two longitudinal axial flow rollers, the vibrating screen and the draught fan to monitor the rotating speeds and the torques of the flow cutting roller, the two longitudinal axial flow rollers, the vibrating screen and the draught fan respectively, and stable work can be achieved during actual field operation. The test system and method mainly aims to solve the problems that the rotating speeds and torques of a flow cutting roller and two longitudinal axial flow rollers in a combine harvester threshing system can not be controlled independently, and the rotating speeds of a vibrating screen and a draught fan can not be controlled independently either. The speeds of the four parts are controlled independently, observation is conducted by means of the rotating speed and torque sensors or an encoder, and in this way, the cleaning losses and the non-threshing rate of grains under different rotating speed conditions can be measured. The system and method are applied to operation of field harvesters.
Description
Technical field
The present invention relates to a kind of combine field performance test system and test method, belong to rice field harvesting facility field.
Background technology
Along with developing rapidly of agricultural equipment, the application scale of combine, results performance and automaticity oneself become the important measurement index of modern agriculture.At present, existing combine is perfect all not enough on 26S Proteasome Structure and Function, and grain header is when the running of actual field, and it is lower to clean quality.The main cause of this problem is caused to be that the structural design of the threshing system of combine is perfect not, and cut flow roller, two longitudinal axial flow roller, vibratory sieve crank axle and blower fan adopt same power drive, speed regulating control cannot be distinguished, and adopt empirical parameter to carry out speed setting, thus cleaning efficiency is not high, percentage of impurity and seed breakage rate higher.
Patent CN1634424415A, openly invent a kind of combine grain cleaning device, with rushing down at vibratory sieve rule adds rubber surface make damping action, reduce grain to bounce the loss caused, but rubber surface can affect the vibration impurity removing rate of vibratory sieve equally, the non-threshing performance of cereal is improved.Patent CN163641501515A, openly invent a kind of threshing cleaning unit for longitudinal axial flow combine, be between notch board grid and vibratory sieve, add a low early and high after transition apparatus, effectively prevent notch board grid rear portion grain and to drift about the loss caused.And cereal is once cleaned, effectively improve cleaning efficiency and clean rate, but transition apparatus exit easily causes cereal to pile up in vibratory sieve relevant position, affects its service behaviour.
Patent C16215192424A, openly invented a kind of realtime on-line monitoring method and device thereof of cleaning loss of grain combine, patent CN19196632415U, has openly invented cleaning loss detection device of grain combine harvester.In the monitoring that patent C16215192424A and patent CN19196632415U loses at grain cleaning, be proposed a kind of mode reliably, but only monitoring cannot improve the rate of cleaning, the running parameter that also cannot improve equipment.Patent 1619150195A, openly invented a kind of multi-parameter control system for threshing performance of combined harvester, this system can realize the Based Intelligent Control to cut flow roller, ensures its service behaviour, thus improves cleaning efficiency.Although this patent achieves the Based Intelligent Control to cut flow roller, but control too unilateral, do not comprise the same control to the rate of cleaning far-reaching pair of longitudinal axial flow roller, vibratory sieve and blower fan, make control effects too localization, the overall effect controlling to match cannot be reached.
In sum, in prior art, in combine threshing system, the controllability degree of all parts is lower, main also in study on monitoring, the actual field running stage, in threshing system cut flow roller and the rotating speed of two longitudinal axial flow roller and the rotating speed of moment of torsion, vibratory sieve crank axle and blower fan uncontrollable separately.And the combine actual field running stage, need to control to stablize its service behaviour to cut flow roller, two longitudinal axial flow roller, vibratory sieve crank axle and blower fan in each parts especially threshing system, thus reduce cleaning loss and non-threshing performance.
Summary of the invention
The object of the present invention is to provide a kind of combine field performance test system and test method, to realize the combine actual field running stage, realize controlling separately cut flow roller and two rotating speed of longitudinal axial flow roller and the rotating speed of moment of torsion, vibratory sieve crank axle and blower fan, thus the cleaning loss of grain and non-threshing performance under determining different rotating speeds condition, and the percentage of impurity of seed and seed breakage rate in silo.
In order to solve above technical problem, the concrete technical scheme that the present invention adopts is as follows:
A kind of combine field performance test system, comprises the parts such as the ceding of Taiwan, conveying plant, cut flow roller, two longitudinal axial flow roller, vibratory sieve, blower fan, running gear, engine, transmission system, hydraulic system and electric system;
It is characterized in that: the cut flow roller (15) in threshing system, two longitudinal axial flow roller (16), vibratory sieve crank axle (20) and blower fan (23) are respectively by hydraulic motor A(9), hydraulic motor B(10), hydraulic motor C(11) and hydraulic motor D(12) power is provided; Hydraulic motor A(9), hydraulic motor B(10), hydraulic motor C(11), hydraulic motor D(12) respectively with control valve A(5), control valve B(6), control valve C(7), control valve D(8) be connected, control valve A(5), control valve B(6), control valve C(7), control valve D(8) be connected to analog output and the power amplifier module (4) of controller (2); At hydraulic motor A(9) and cut flow roller (15) between rotary speed torque sensor A(13 is set), at hydraulic motor B(10) and two longitudinal axial flow roller (16) between rotary speed torque sensor B(14 is set); Vibratory sieve crank axle (20) connects encoder A(22), blower fan (23) connects encoder B(24); Two longitudinal axial flow roller (16) rear is provided with hoist type oilcloth reeling-up reeling-out device (17), drawer type pulp-collecting box (18) is arranged on two below of longitudinal axial flow roller (16), the top of vibratory sieve, and portable wind speed and pressure measurement mechanism (19) is arranged on directly over vibratory sieve; Rotary speed torque sensor A(13), rotary speed torque sensor B(14), portable wind speed and pressure measurement mechanism (19), encoder A(22) and encoder B(24) be connected to the data acquisition module (3) of controller (1); Data acquisition module (3) is connected with controller (2) respectively with analog output and power amplifier module (4) and is connected to the control display floater (1) in maneuver control device.
A kind of combine field performance test method, is characterized in that comprising the following steps:
Step one, in the actual farm work process of the test of combine, driver changes cut flow roller (15) by controlling display floater (1) in maneuver control device, two longitudinal axial flow roller (16), the rotating speed of vibratory sieve crank axle (20) and blower fan (23), control valve A(5), control valve B(6), control valve C(7), control valve D(8) hydraulic control motor A(9 successively), hydraulic motor B(10), hydraulic motor C(11), hydraulic motor D(12) export corresponding power separately, cut flow roller (15), two longitudinal axial flow roller (16), the rotating speed of vibratory sieve crank axle (20) and blower fan (23) changes with the change of hydraulic motor power output,
Step 2, utilize rotary speed torque sensor A(13) and rotary speed torque sensor B(14) measure rotating speed and the moment of torsion of cut flow roller (15) and two longitudinal axial flow roller (16) respectively, utilize encoder A(22) and encoder B(24) distinguish the rotating speed that measuring vibrations sieves crank axle (20) and blower fan (23), portable wind speed and pressure measurement mechanism (19) measuring vibrations is utilized to sieve the vibration frequency of the flow parameter on compass screen surface, and by the control display floater (1) of measurement feedback to maneuver control device;
Step 3, two longitudinal axial flow separation distributions situations and non-threshing performance is detected by drawer type pulp-collecting box (18), hoist type oilcloth reeling-up reeling-out device (17) and sieve effluent gathering unit (23) is utilized to collect millet straw and sieve effluent, and calculate non-threshing performance under current operating state and cleaning loss by artificial separation and process, by calculating percentage of impurity and the seed breakage rate of current operating state to the manual sampling of seed in silo and sorting process.
compared with prior art, the present invention has following beneficial effect:
1. the present invention is by providing separate power drive to cut flow roller, two longitudinal axial flow roller, vibratory sieve crank axle and blower fan, thus can realize controlling the independence of these component movement in the operation of combine actual field.
2. the present invention is by installing rotary speed torque sensor, installing portable wind speed and pressure measurement mechanism to vibratory sieve crank axle and assembling encoder, on the vibrating side to cut flow roller and two longitudinal axial flow roller, thus can obtain its motion state accurately in the operation of combine actual field.
3. the present invention is by installing drawer type pulp-collecting box to vibratory sieve, detects two longitudinal axial flow separation distributions situations and non-threshing performance; Hoist type oilcloth reeling-up reeling-out device is installed to two longitudinal axial flow roller and sieve effluent gathering unit is installed to vibratory sieve, thus by calculating percentage of impurity and the seed breakage rate of current operating state to the manual sampling of seed in silo and sorting process.
Accompanying drawing explanation
Fig. 1 is combine field performance test structural principle block diagram of the present invention.
In figure: 1, control display floater; 2, controller; 3, data acquisition module; 4, analog output and power amplifier module; 5, control valve A; 6, control valve B; 7, control valve C; 8, control valve D; 9, hydraulic motor A; 10 hydraulic motor B; 11, hydraulic motor C; 12, hydraulic motor D; 13, rotary speed torque sensor A; 14, rotary speed torque sensor B; 15, cut flow roller; 16, two longitudinal axial flow roller; 17, hoist type oilcloth reeling-up reeling-out device; 18, drawer type pulp-collecting box; 19, portable wind speed and pressure measurement mechanism; 20, vibratory sieve crank axle; 21, sieve effluent gathering unit; 22, encoder A; 23, blower fan; 24, encoder B.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further details.
Combine field of the present invention performance test system, comprises the ceding of Taiwan, conveying plant, threshing system, silo, engine, running gear, transmission system, maneuver control device.As shown in Figure 1, cut flow roller 15 in threshing system, two longitudinal axial flow roller 16, vibratory sieve crank axle 20 and blower fan 23 provide power by hydraulic motor A9, hydraulic motor B10, hydraulic motor C11 and hydraulic motor D12 respectively, hydraulic motor A9, hydraulic motor B10, hydraulic motor C11, hydraulic motor D12 are connected with control valve A5, control valve B6, control valve C7, control valve D8 respectively, and control valve A5, control valve B6, control valve C7, control valve D8 are connected to analog output and power amplifier module 4; Rotary speed torque sensor A13 is set between hydraulic motor A9 and cut flow roller 15, rotary speed torque sensor B14 is set between hydraulic motor B10 and two longitudinal axial flow roller 16, vibratory sieve crank axle connects encoder A22, blower fan 23 connects encoder B24, hoist type oilcloth reeling-up reeling-out device 19 is installed after two longitudinal axial flow roller 16, below two longitudinal axial flow roller 16, drawer type pulp-collecting box 18 is installed above vibratory sieve, side is provided with portable wind speed and pressure measurement mechanism 19 on the vibrating, is provided with sieve effluent gathering unit 21 at vibratory sieve rear; Rotary speed torque sensor A13, rotary speed torque sensor B14, portable wind speed and pressure measurement mechanism 19, encoder A22 and encoder B24 are connected to data acquisition module 3; Data acquisition module 3 and analog output and power amplifier module 4 are connected with controller 2 and are connected to the control display floater 1 in maneuver control device.
This combine is in the operation of actual field, rotating speed and the moment of torsion of cut flow roller 15 or two vertical stream roller 16 is regulated in the control display floater 1 of driver in maneuver control device, or the rotating speed of vibratory sieve crank axle 20 or blower fan 23, this control signal passes to the corresponding control valve of controlled parts for 4 times through analog output and power amplifier module after being processed by controller 2, control valve hydraulic control motor, change its power output, thus change the rotating speed of its corresponding component and moment of torsion or rotating speed.For cut flow roller 15 and two longitudinal axial flow roller 16, the control valve A5 of its correspondence, control valve B6 changes the hydraulic motor A9 of its correspondence, the power output of hydraulic motor B10, the rotating speed of cut flow roller 15 or two longitudinal axial flow roller 16 and moment of torsion change, its rotating speed and moment of torsion is measured by being arranged on the rotary speed torque sensor A13 between hydraulic motor A9 and the cut flow roller 15 or rotary speed torque sensor B14 between hydraulic motor B10 and two longitudinal axial flow roller 16, upload to data acquisition module 3, data acquisition module 3 sends controller 2 again to, control display floater 1 after via controller 2 processes in maneuver control device shows.And for vibratory sieve crank axle 20 and blower fan 23, the control valve C7 of its correspondence, control valve D8 changes the hydraulic motor C11 of its correspondence, the power output of hydraulic motor D12, the rotating speed of vibratory sieve crank axle 20 or blower fan 23 changes, the vibration frequency of its rotating speed and compass screen surface overdraught parameter is measured respectively by being arranged on the encoder A22 on vibratory sieve crank axle 20 and the portable wind speed and pressure measurement mechanism 19 above vibratory sieve, or the encoder B24 be arranged on after blower fan 23 measures its rotating speed, upload to data acquisition module 3, data acquisition module 3 sends controller 2 again to, control display floater 1 after via controller 2 processes in maneuver control device shows.These control display data and all go on record.
Two longitudinal axial flow separation distributions situations and non-threshing performance is detected by drawer type pulp-collecting box 18, hoist type oilcloth reeling-up reeling-out device 17 and sieve effluent gathering unit 21 is utilized to collect millet straw and sieve effluent, and calculate non-threshing performance under current operating state and cleaning loss by artificial separation and process, by calculating percentage of impurity and the seed breakage rate of current operating state to the manual sampling of seed in silo and sorting process.
Finally should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed within right of the present invention.
Claims (2)
1. a combine field performance test system, comprises the parts such as the ceding of Taiwan, conveying plant, cut flow roller, two longitudinal axial flow roller, vibratory sieve, blower fan, running gear, engine, transmission system, hydraulic system and electric system;
It is characterized in that: the cut flow roller (15) in threshing system, two longitudinal axial flow roller (16), vibratory sieve crank axle (20) and blower fan (23) are respectively by hydraulic motor A(9), hydraulic motor B(10), hydraulic motor C(11) and hydraulic motor D(12) power is provided; Hydraulic motor A(9), hydraulic motor B(10), hydraulic motor C(11), hydraulic motor D(12) respectively with control valve A(5), control valve B(6), control valve C(7), control valve D(8) be connected, control valve A(5), control valve B(6), control valve C(7), control valve D(8) be connected to analog output and the power amplifier module (4) of controller (2); At hydraulic motor A(9) and cut flow roller (15) between rotary speed torque sensor A(13 is set), at hydraulic motor B(10) and two longitudinal axial flow roller (16) between rotary speed torque sensor B(14 is set); Vibratory sieve crank axle (20) connects encoder A(22), blower fan (23) connects encoder B(24); Two longitudinal axial flow roller (16) rear is provided with hoist type oilcloth reeling-up reeling-out device (17), drawer type pulp-collecting box (18) is arranged on two below of longitudinal axial flow roller (16), the top of vibratory sieve, and portable wind speed and pressure measurement mechanism (19) is arranged on directly over vibratory sieve; Rotary speed torque sensor A(13), rotary speed torque sensor B(14), portable wind speed and pressure measurement mechanism (19), encoder A(22) and encoder B(24) be connected to the data acquisition module (3) of controller (1); Data acquisition module (3) is connected with controller (2) respectively with analog output and power amplifier module (4) and is connected to the control display floater (1) in maneuver control device.
2. the test method of a kind of combine field according to claim 1 performance test system, is characterized in that comprising the following steps:
Step one, in the actual farm work process of the test of combine, driver changes cut flow roller (15) by controlling display floater (1) in maneuver control device, two longitudinal axial flow roller (16), the rotating speed of vibratory sieve crank axle (20) and blower fan (23), control valve A(5), control valve B(6), control valve C(7), control valve D(8) hydraulic control motor A(9 successively), hydraulic motor B(10), hydraulic motor C(11), hydraulic motor D(12) export corresponding power separately, cut flow roller (15), two longitudinal axial flow roller (16), the rotating speed of vibratory sieve crank axle (20) and blower fan (23) changes with the change of hydraulic motor power output,
Step 2, utilize rotary speed torque sensor A(13) and rotary speed torque sensor B(14) measure rotating speed and the moment of torsion of cut flow roller (15) and two longitudinal axial flow roller (16) respectively, utilize encoder A(22) and encoder B(24) distinguish the rotating speed that measuring vibrations sieves crank axle (20) and blower fan (23), portable wind speed and pressure measurement mechanism (19) measuring vibrations is utilized to sieve the vibration frequency of the flow parameter on compass screen surface, and by the control display floater (1) of measurement feedback to maneuver control device;
Step 3, two longitudinal axial flow separation distributions situations and non-threshing performance is detected by drawer type pulp-collecting box (18), hoist type oilcloth reeling-up reeling-out device (17) and sieve effluent gathering unit (23) is utilized to collect millet straw and sieve effluent, and calculate non-threshing performance under current operating state and cleaning loss by artificial separation and process, by calculating percentage of impurity and the seed breakage rate of current operating state to the manual sampling of seed in silo and sorting process.
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| CN201510183716.4A CN104782318B (en) | 2015-04-17 | 2015-04-17 | A kind of united reaper field performance test system and test method |
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| CN201510183716.4A CN104782318B (en) | 2015-04-17 | 2015-04-17 | A kind of united reaper field performance test system and test method |
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| CN104782318A true CN104782318A (en) | 2015-07-22 |
| CN104782318B CN104782318B (en) | 2016-08-24 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105409472A (en) * | 2015-10-30 | 2016-03-23 | 农业部南京农业机械化研究所 | Movable threshing cleaning test stand |
| CN105660038A (en) * | 2016-01-22 | 2016-06-15 | 济南大学 | Intelligent maize combine harvester fault monitoring system based on DSP |
| CN109092688A (en) * | 2018-10-14 | 2018-12-28 | 山西农业大学 | Winnowing type grain cleaning experimental rig |
| CN109315130A (en) * | 2018-08-20 | 2019-02-12 | 江苏大学 | A kind of hydraulic drive track combine load monitoring and ambulation control method |
| CN109443420A (en) * | 2018-09-03 | 2019-03-08 | 江苏大学 | A kind of combined harvester blower quality detection device and its detection method |
| CN111990052A (en) * | 2020-08-24 | 2020-11-27 | 农业农村部南京农业机械化研究所 | Grain impurity-containing and breakage rate detection device of rotary disc type combine harvester and granary |
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2015
- 2015-04-17 CN CN201510183716.4A patent/CN104782318B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409472A (en) * | 2015-10-30 | 2016-03-23 | 农业部南京农业机械化研究所 | Movable threshing cleaning test stand |
| CN105409472B (en) * | 2015-10-30 | 2017-06-20 | 农业部南京农业机械化研究所 | A kind of portable threshing and cleaning testing stand |
| CN105660038A (en) * | 2016-01-22 | 2016-06-15 | 济南大学 | Intelligent maize combine harvester fault monitoring system based on DSP |
| CN109315130A (en) * | 2018-08-20 | 2019-02-12 | 江苏大学 | A kind of hydraulic drive track combine load monitoring and ambulation control method |
| CN109443420A (en) * | 2018-09-03 | 2019-03-08 | 江苏大学 | A kind of combined harvester blower quality detection device and its detection method |
| CN109443420B (en) * | 2018-09-03 | 2021-02-12 | 江苏大学 | Quality detection device and detection method for combined harvester fan |
| CN109092688A (en) * | 2018-10-14 | 2018-12-28 | 山西农业大学 | Winnowing type grain cleaning experimental rig |
| CN111990052A (en) * | 2020-08-24 | 2020-11-27 | 农业农村部南京农业机械化研究所 | Grain impurity-containing and breakage rate detection device of rotary disc type combine harvester and granary |
| CN111990052B (en) * | 2020-08-24 | 2021-09-03 | 农业农村部南京农业机械化研究所 | Grain impurity-containing and breakage rate detection device of rotary disc type combine harvester and granary |
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| CN104782318B (en) | 2016-08-24 |
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