CN102804980A - Automatic monitoring and trouble-shooting device for blocking fault of cylinder-type threshing parts - Google Patents
Automatic monitoring and trouble-shooting device for blocking fault of cylinder-type threshing parts Download PDFInfo
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- CN102804980A CN102804980A CN2012102517776A CN201210251777A CN102804980A CN 102804980 A CN102804980 A CN 102804980A CN 2012102517776 A CN2012102517776 A CN 2012102517776A CN 201210251777 A CN201210251777 A CN 201210251777A CN 102804980 A CN102804980 A CN 102804980A
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- threshing
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- notch board
- hydraulic cylinder
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Abstract
The invention relates to an automatic monitoring and trouble-shooting device for a blocking fault of cylinder-type threshing parts and belongs to the technical field of agricultural machinery. The device comprises a threshing cylinder, a threshing concave board and a control circuit, wherein the threshing concave board consists of a fixing concave board and a moving concave board; one end, which is far away from the fixing concave board, of the moving concave board is connected with a piston rod of a hydraulic cylinder by a pressure sensor, and a cylinder body of the hydraulic cylinder is hinged on a machine frame; a pressure signal output end of the sensor is connected with a hydraulic cylinder oil circuit reversing valve by the CPU-included control circuit; when pressure signal value is smaller than preset lower limit value, the reversing valve is controlled to keep a preset gap between the moving concave board and a threshing cylinder by the hydraulic cylinder; and when the pressure signal value is greater than a preset upper limit value, the reversing valve is controlled to increase the gap between the moving concave board and the threshing cylinder by the hydraulic cylinder. By adoption of the device, not only the blocking fault is effectively avoided, but also blockages can be removed.
Description
Technical field
The present invention relates to a kind of combine sheller unit, especially a kind of drum-type threshing unit blocks fault and monitors remover automatically, belongs to agricultural machinery technological field.
Background technology
The full feed type combine is when carrying out harvest operation, and the crop cane can be blocked in the middle conveying plant and sheller unit of grain header often, thereby causes interruption operation, even can cause damage of components.Get rid of to block fault and maintenance facility are time-consuming and take a lot of work, not only reduced the operating efficiency of facility, and can delay results farming seasons, cause economic loss.The occurrence cause that blocks fault cut normally that feed quantity is excessive, crop cane toughness big and (or) high humidity.Obstruction occurred in the sheller unit before this, was blocked in the outlet of drum-type threshing unit especially earlier.
Application number is 200910032561.9 application for a patent for invention " combine blocks fault pre-alarming and warning device "; Disclose a kind of being installed in and be used to prevent to block early warning and the warning device that fault takes place on the grain header; This device is made up of unit modules such as speed probe, signal processing, single-chip microcomputer central information processing and information demonstrations; During in operation, threshing cylinder and defeated grain auger parts are blocked early warning and warning at grain header in real time.Though providing, this device blocks knocking noise and image warning message; But can not effectively prevent to block the generation of fault, its reason be the crop that is cut from cutting bed to getting into the drum-type threshing unit, pass through long transport path; Even in time reduce to cut feed quantity; The reaction that material is got into the drum-type threshing unit also lags behind, and in addition, also has the possibility of not discovering caution signal or failing in time correct adjustment facility running status.
Summary of the invention
The objective of the invention is to: the problem to above-mentioned prior art exists proposes a kind of fault that feeds combination machine drum-type threshing unit cause clogging fault entirely that can effectively prevent and monitors remover automatically.
State purpose in order to reach; Drum-type threshing unit of the present invention blocks fault and monitors the remover basic technical scheme automatically and be: comprise the threshing cylinder that is supported on the frame, be positioned at peripheral circular arc threshing concave plate of threshing cylinder and the control circuit that contains CPU, its improvements are: said threshing concave plate is by the fixedly notch board that is positioned at charging one side and be positioned at discharging one side and form with the fixing hinged movable notch board of notch board; Said movable notch board is connected with the piston rod of hydraulic cylinder through pressure sensor away from an end of fixing notch board, and the cylinder body of said hydraulic cylinder is hinged on frame; The pressure signal output of said pressure sensor connects said hydraulic cylinder oil circuit reversal valve through the control circuit that contains CPU; The warning output of the said control circuit showing device of receiving a crime report; When said pressure signal during less than the predetermined lower bound value, the controlled position that keeps said movable notch board and threshing cylinder predetermined gap through hydraulic cylinder that is in of said reversal valve; When said pressure signal during greater than predetermined upper limit value, the controlled position of strengthening said movable notch board and threshing cylinder gap through hydraulic cylinder that is in of said reversal valve.
Therefore; When crop got into the threshing cylinder volume, the pressure that movable notch board bears increased, and the signal that pressure sensor produces is after the CPU judgment processing; Output control reversal valve; And then strengthen said movable notch board and threshing cylinder gap through hydraulic cylinder, effectively avoid the cause clogging fault, and can send alarm signal in good time and remind the operator.
The present invention further improves, and said threshing cylinder is equipped with speed probe, the corresponding input of the said control circuit of tach signal output termination of said speed probe; When said tach signal during less than predetermined value, controlled being in of said hydraulic cylinder makes movable notch board and threshing cylinder reach the position, maximal clearance.
Occur near the discharging opening owing to block usually; Therefore in case threshing cylinder is because of cause clogging trend rotating speed when slack-off; Movable notch board will be as far as possible away from threshing cylinder, and big more near the discharging opening gap more, simultaneously the alarm operator; Thereby eliminate obstruction trend automatically, guarantee that further threshing is smooth and easy.In fact, because the improper factor affecting such as inhomogeneities of field crops, the notch board back pressure further increases, drum rotation speed reduces rapidly, and threshing cylinder stops up when taking place, and system will make and put stifled instruction, and the intaglio plate gap is increased to maximum, and tamper is drained.
In sum, generally speaking, along with feeding threshing cylinder crop amount increases; The threshing load increases, and the notch board back pressure increases, and the threshing cylinder rotating speed reduces simultaneously; When the notch board back pressure is increased to certain value, when the threshing cylinder rotating speed drops to certain value, after control circuit comprehensive pressure and the revolution speed sensing signal judgment processing, exports the instruction of control reversal valve; And then logical increasing activity notch board and threshing cylinder gap, effectively avoid the cause clogging fault, promptly realized anti-blocking.Because the improper factor affecting such as inhomogeneities of field crops, the notch board back pressure further increases, drum rotation speed reduces rapidly, and threshing cylinder stops up when taking place; System will make and put stifled instruction; The intaglio plate gap is increased to maximum, and tamper is drained, and has promptly realized putting stifled.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Embodiment
Embodiment one
The drum-type threshing unit of present embodiment blocks fault, and to monitor remover automatically as depicted in figs. 1 and 2, the control circuit (these circuit details referring to 200910032561.9 etc. prior art) that comprises the threshing cylinder 3 that is supported on the frame, is positioned at the peripheral circular arc threshing concave plate of threshing cylinder and contains CPU.Wherein, Threshing concave plate is formed through fixing fixedly notch board 1 of bolt 2 and the movable notch board 5 that is positioned at discharging one side by being positioned at charging one side; Fixedly notch board 1 and movable notch board 5 joints respectively radial outward extend involutory hinged block, two involutory hinged blocks are hinged through bearing pin 4.Movable notch board 5 passes through pressure sensor 7 away from a fixing end of notch board 1 by hinged engaging lug 8 and is connected with the piston rod of hydraulic cylinder 6, and the cylinder body of hydraulic cylinder 6 is hinged on frame.The pressure signal output of pressure sensor 7 connects hydraulic cylinder 6 oil circuit reversal valves (present embodiment adopts two four-way electromagnetic control valves) through control circuit.When CPU judges pressure signal less than the predetermined lower bound value; Send control signal; Make that reversal valve is controlled to be in through hydraulic cylinder maintenance activity notch board and threshing cylinder predetermined gap position (under the normal condition; Notch board and threshing cylinder gap relative fixed, thus corresponding suitable feed quantity reaches desirable threshing effect; When CPU judges pressure signal greater than predetermined upper limit value, send corresponding control signal, make controlled being in of reversal valve strengthen said movable notch board and threshing cylinder interstitial site through hydraulic cylinder.And threshing cylinder 3 is equipped with speed probe, the corresponding input of the tach signal output connection control circuit of this speed probe; The warning output of the control circuit showing device of receiving a crime report.When CPU judges that tach signal is less than predetermined value, send control signal, make that hydraulic cylinder is controlled to be in the position that movable notch board and threshing cylinder reach the maximal clearance.
During work; The quantity that gets into threshing cylinder like crop is too much, and the pressure that movable notch board bears increases, and the signal that pressure sensor produces is after the CPU of control circuit judgment processing; The reversing solenoid valve of control hydraulic cylinder; The gap of increasing activity notch board and threshing cylinder---promptly increase crop passing away space, thereby react automatically, realize anti-blocking.Subsequently, when pressure signal is decreased to the predetermined lower bound value, CPU will control hydraulic cylinder through reversal valve and reset, and be in normal predetermined gap state between maintenance activity notch board and the threshing cylinder.If just in case the quantity of entering threshing cylinder is too many; Produce obstruction trend, when the threshing cylinder rotating speed was reduced to threshold value gradually with the load increase, the CPU of control circuit will control hydraulic cylinder made movable notch board and threshing cylinder reach the maximal clearance; Form horn mouth, realize putting stifled.And alarming device can send in good time and block the fault pre-alarming signal according to being provided with in advance---liquid crystal display controls that the alarm lamp of plate is bright, the buzzer sounding alarm on the control panel etc., reminds the operator to make respective reaction.In a word, after adopting the device of present embodiment on all feeding-in combine, can effectively prevent drum-type threshing unit cause clogging fault; Thereby conveying plant blocks the probability of happening of fault in the middle of reducing greatly; Improve the facility operating efficiency, guarantee that crop gathers in the crops in good time, improve working efficiency.
Claims (4)
1. a drum-type threshing unit obstruction fault is monitored remover automatically; Comprise the threshing cylinder that is supported on the frame, be positioned at peripheral circular arc threshing concave plate of threshing cylinder and the control circuit that contains CPU, it is characterized in that: said threshing concave plate is by the fixedly notch board that is positioned at charging one side and be positioned at discharging one side and form with the fixing hinged movable notch board of notch board; Said movable notch board is connected with the piston rod of hydraulic cylinder through pressure sensor away from an end of fixing notch board, and the cylinder body of said hydraulic cylinder is hinged on frame; The pressure signal output of said pressure sensor connects said hydraulic cylinder oil circuit reversal valve through the control circuit that contains CPU; The warning output of the said control circuit showing device of receiving a crime report; When said pressure signal during less than the predetermined lower bound value, the controlled position that keeps said movable notch board and threshing cylinder predetermined gap through hydraulic cylinder that is in of said reversal valve; When said pressure signal during greater than predetermined upper limit value, the controlled position of strengthening said movable notch board and threshing cylinder gap through hydraulic cylinder that is in of said reversal valve.
2. drum-type threshing unit according to claim 1 blocks fault and monitors remover automatically, and it is characterized in that: said threshing cylinder is equipped with speed probe, the corresponding input of the said control circuit of tach signal output termination of said speed probe; When said tach signal during less than predetermined value, the controlled position that makes movable notch board and threshing cylinder reach the maximal clearance that is in of said hydraulic cylinder.
3. drum-type threshing unit according to claim 2 blocks fault and monitors remover automatically; It is characterized in that: said fixedly notch board and movable notch board joint radial outward respectively extend involutory hinged block, and said involutory hinged block is hinged through bearing pin.
4. drum-type threshing unit according to claim 3 blocks fault and monitors remover automatically, it is characterized in that: said movable notch board passes through pressure sensor away from a fixing end of notch board by hinged engaging lug and is connected with the piston rod of hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210251777.6A CN102804980B (en) | 2012-07-20 | 2012-07-20 | Automatic monitoring and trouble-shooting device for blocking fault of cylinder-type threshing parts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210251777.6A CN102804980B (en) | 2012-07-20 | 2012-07-20 | Automatic monitoring and trouble-shooting device for blocking fault of cylinder-type threshing parts |
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| CN102804980A true CN102804980A (en) | 2012-12-05 |
| CN102804980B CN102804980B (en) | 2015-04-01 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104855060B (en) * | 2015-04-24 | 2016-08-17 | 南京农业大学 | Harvester cylinder fed material from being blocked fault detect and actively control method |
| CN106385999A (en) * | 2016-08-29 | 2017-02-15 | 江苏大学 | Self-adaption regulation system for threshing segregation loads of tangential flow and longitudinal axial flow devices |
| CN106664990A (en) * | 2016-12-30 | 2017-05-17 | 江苏大学 | Adjusting device and adjusting method for cereal threshing cylinder concave clearance |
| CN107155533A (en) * | 2017-06-15 | 2017-09-15 | 农业部南京农业机械化研究所 | A kind of combined harvester threshing cylinder driving control system and method |
| CN107646298A (en) * | 2017-11-03 | 2018-02-02 | 江苏农牧科技职业学院 | A kind of combined harvester threshing cylinder supervising device |
| CN108496581A (en) * | 2018-01-19 | 2018-09-07 | 江苏大学 | A kind of multiple-roll combined harvester concave clearance automatically adjusts installed threshing separator and adjusting method |
| CN109328664A (en) * | 2018-10-22 | 2019-02-15 | 山东理工大学 | A kind of soybean thresher |
| CN109729847A (en) * | 2019-01-31 | 2019-05-10 | 河南科技大学 | A kind of gradable drum threshing system for adjusting cylinder-concave clearance |
| CN113412724A (en) * | 2021-06-21 | 2021-09-21 | 湖南农业大学 | Harvester capable of secondarily detecting feeding amount and adjusting threshing gap and adjusting method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2567024Y (en) * | 2002-11-23 | 2003-08-20 | 汕头市奇佳机械厂有限公司 | Quick net changing device of sheet extruder |
| CN101595785A (en) * | 2009-06-23 | 2009-12-09 | 江苏大学 | Combined harvester plugging fault early warning and warning device |
| CN201919356U (en) * | 2010-08-25 | 2011-08-10 | 莱恩农业装备有限公司 | Thresher with anti-blocking function |
| CN202773470U (en) * | 2012-07-20 | 2013-03-13 | 农业部南京农业机械化研究所 | Automatic blockage fault monitoring and clearing device for drum type threshing component |
-
2012
- 2012-07-20 CN CN201210251777.6A patent/CN102804980B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2567024Y (en) * | 2002-11-23 | 2003-08-20 | 汕头市奇佳机械厂有限公司 | Quick net changing device of sheet extruder |
| CN101595785A (en) * | 2009-06-23 | 2009-12-09 | 江苏大学 | Combined harvester plugging fault early warning and warning device |
| CN201919356U (en) * | 2010-08-25 | 2011-08-10 | 莱恩农业装备有限公司 | Thresher with anti-blocking function |
| CN202773470U (en) * | 2012-07-20 | 2013-03-13 | 农业部南京农业机械化研究所 | Automatic blockage fault monitoring and clearing device for drum type threshing component |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104855060B (en) * | 2015-04-24 | 2016-08-17 | 南京农业大学 | Harvester cylinder fed material from being blocked fault detect and actively control method |
| CN106385999A (en) * | 2016-08-29 | 2017-02-15 | 江苏大学 | Self-adaption regulation system for threshing segregation loads of tangential flow and longitudinal axial flow devices |
| CN106385999B (en) * | 2016-08-29 | 2019-06-28 | 江苏大学 | Cut the adaptive regulator control system of stream Yu longitudinal axial flow device threshing segregational load |
| CN106664990A (en) * | 2016-12-30 | 2017-05-17 | 江苏大学 | Adjusting device and adjusting method for cereal threshing cylinder concave clearance |
| CN107155533A (en) * | 2017-06-15 | 2017-09-15 | 农业部南京农业机械化研究所 | A kind of combined harvester threshing cylinder driving control system and method |
| CN107646298A (en) * | 2017-11-03 | 2018-02-02 | 江苏农牧科技职业学院 | A kind of combined harvester threshing cylinder supervising device |
| CN108496581A (en) * | 2018-01-19 | 2018-09-07 | 江苏大学 | A kind of multiple-roll combined harvester concave clearance automatically adjusts installed threshing separator and adjusting method |
| CN109328664A (en) * | 2018-10-22 | 2019-02-15 | 山东理工大学 | A kind of soybean thresher |
| CN109328664B (en) * | 2018-10-22 | 2024-01-19 | 山东理工大学 | Soybean thresher |
| CN109729847A (en) * | 2019-01-31 | 2019-05-10 | 河南科技大学 | A kind of gradable drum threshing system for adjusting cylinder-concave clearance |
| CN113412724A (en) * | 2021-06-21 | 2021-09-21 | 湖南农业大学 | Harvester capable of secondarily detecting feeding amount and adjusting threshing gap and adjusting method thereof |
| CN113412724B (en) * | 2021-06-21 | 2022-04-15 | 湖南农业大学 | Harvester capable of secondarily detecting feeding amount and adjusting threshing gap and adjusting method thereof |
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| CN102804980B (en) | 2015-04-01 |
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