CN105201939A - Automatic control system for underground cutting depth of cutterhead of sugarcane harvester - Google Patents
Automatic control system for underground cutting depth of cutterhead of sugarcane harvester Download PDFInfo
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- CN105201939A CN105201939A CN201510600019.4A CN201510600019A CN105201939A CN 105201939 A CN105201939 A CN 105201939A CN 201510600019 A CN201510600019 A CN 201510600019A CN 105201939 A CN105201939 A CN 105201939A
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- cutterhead
- control system
- automatic control
- depth
- sugar
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Abstract
The invention discloses an automatic control system for an underground cutting depth of a cutterhead of a sugarcane harvester. The automatic control system comprises a power device, a hydraulic pump, an oil tank, a three-position four-way electromagnetic reversing valve, a hydraulic lock, a pressure sensor, a control unit and a transistor output unit, wherein the power device is connected with the hydraulic pump so as to drive the hydraulic pump to work; the oil tank is connected with the hydraulic pump, the three-position four-way electromagnetic reversing valve, the hydraulic lock and a cutterhead header lifting oil cylinder of the sugarcane harvester in sequence through pipelines; the three-position four-way electromagnetic reversing valve is connected with the transistor output unit, the control unit and the pressure sensor mounted on a cutterhead motor in sequence. The system can automatically control rise and fall of the cutterhead according to a cutterhead load signal, so that the phenomena that the cutterhead is locked and halted or the system power is severely lost and the like can be avoided.
Description
Technical field
The present invention relates to automation field, particularly a kind of automatic control system of depth of cut of burying for sugar-cane cutting machine cutterhead.
Background technique
Sugarcane is the important source material of China's sugaring, light industry and the energy, and cultivated area occupies the 3rd in the world.The cutting device of existing sugar-cane cutting machine is that cutterhead to be located in the cutterhead ceding of Taiwan and to be rotated by cutterhead motor control, the cutterhead ceding of Taiwan controls lifting by lift cylinder, in harvesting sugarcane process, the cutting sugarcane degree of depth of burying of sugar-cane cutting machine can cause cutterhead load acute variation, and sugar-cane cutting machine promotes the action of the cutterhead ceding of Taiwan, generally pass through manual control, but operator can only carry out judgement operation by observation and experience, do not catch up with if cutterhead embedded depth crosses the power system adjustment that deeply can make to supply power to cutterhead, phenomenon occurs to cause the stuck shutdown of cutterhead or power loss is serious etc.How to make the lift cylinder of the cutterhead ceding of Taiwan follow the change of loaded work piece pressure and change, both ensured normal work on the one hand, do not injure the perennial root of sugarcane on the other hand, be beneficial to secondary growth.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of automatic control system of depth of cut of burying for sugar-cane cutting machine cutterhead, thus overcome can not accurately to the shortcoming that the lift cylinder promoting the cutterhead ceding of Taiwan controls.
For achieving the above object, the invention provides a kind of automatic control system of depth of cut of burying for sugar-cane cutting machine cutterhead, comprising: power plant, oil hydraulic pump, fuel tank, three-position four-way electromagnetic directional valve, hydraulic lock, pressure transducer, control unit and transistor output unit; Described power plant are connected to drive this hydraulic pump works with described oil hydraulic pump, and described fuel tank connects the cutterhead ceding of Taiwan lift cylinder of described oil hydraulic pump, described three-position four-way electromagnetic directional valve, described hydraulic lock and sugar-cane cutting machine successively by pipeline; Described three-position four-way electromagnetic directional valve is connected with described transistor output unit, described control unit and the pressure transducer be installed on cutterhead motor successively; The pressure signal that described control unit can be gathered according to described pressure transducer judges the embedded depth of cutterhead, commutate to control described three-position four-way electromagnetic directional valve by described crystal output unit, thus control described cutterhead ceding of Taiwan lift cylinder and be elevated.
In technique scheme, described pipeline is provided with relief valve.
In technique scheme, described power plant are diesel engine.
In technique scheme, described oil hydraulic pump is gear pump.
In technique scheme, described cutterhead ceding of Taiwan lift cylinder is twin-tub pattern.
In technique scheme, described pressure transducer is the universal pressure transmitter of HM20.
Compared with prior art, the present invention has following beneficial effect:
1. the automatic control system in the present invention, by the load pressure signal on pressure transducer Real-time Collection cutterhead motor, control unit draws the embedded depth of cutterhead according to pressure signal, if pressure signal is more excessive or too small than normal range value, control unit sends to three-position four-way electromagnetic directional valve the direction that commutation signal carrys out hydraulic control pump discharge pressure oil by transistor output unit, to reach the lifting controlling ceding of Taiwan lift cylinder, realize the automatic control of the depth of cut of burying of cutterhead.
2. relief valve is set to safety valve, limits the maximum pressure of system, safe and reliable.
3. adopt hydraulic lock to guarantee the stopping of cutterhead arbitrary position in vertical direction, cutter head assembly can not fall because of deadweight.
Accompanying drawing explanation
Fig. 1 is the electrical schematic diagram according to automatic control system of the present invention.
Main Reference Numerals illustrates:
1-fuel tank, 2-diesel engine, 3-relief valve, 4-gear pump, 5-three-position four-way electromagnetic directional valve, 6-hydraulic lock, 7-cutterhead ceding of Taiwan lift cylinder, 8-cutterhead motor, 9-pressure transducer, 10-control unit, 11-transistor output unit.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As shown in Figure 1, according to the automatic control system of the depth of cut of burying for sugar-cane cutting machine cutterhead of the specific embodiment of the invention, comprising: power plant, oil hydraulic pump, fuel tank 1, three-position four-way electromagnetic directional valve 5, hydraulic lock 6, pressure transducer 9, relief valve 3, control unit 10 and transistor output unit 11, in this embodiment, diesel engine 2 selected by power plant, and gear pump 4 selected by oil hydraulic pump, diesel engine 2 provides power for whole hydraulic system, fuel tank 1 connects gear pump 4 successively by pipeline, three-position four-way electromagnetic directional valve 5, the cutterhead ceding of Taiwan lift cylinder 7 of hydraulic lock 6 and sugar-cane cutting machine, cutterhead ceding of Taiwan lift cylinder 7 preferably adopts twin-tub pattern, diesel engine 2 is connected with gear pump 4 to drive this gear pump 4 carry out oil suction and provide pressure oil to pipeline loop, make it possible to drive cutterhead taiwan cut off and landing by cutterhead cutting stage lift cylinder 7, wherein, the import of relief valve 3 connects the outlet conduit of gear pump 4, on the pipeline loop of outlet connected tank 1, as safety valve, the maximum pressure of restriction system.Hydraulic lock 6 is used for guaranteeing the stopping of cutterhead arbitrary position in vertical direction, and cutter head assembly can not be fallen because of deadweight; Three-position four-way electromagnetic directional valve 5 is connected with transistor output unit 11, control unit 10 and the pressure transducer 9 be installed on cutterhead motor 8 successively; The pressure signal that control unit 10 can be gathered according to pressure transducer 9 judges the embedded depth of cutterhead, commutate to control three-position four-way electromagnetic directional valve 5 by crystal output unit 11, thus control cutterhead ceding of Taiwan lift cylinder 7 drives cutterhead to be elevated.
This automatic control system in use, pressure transducer 9 adopts the universal pressure transmitter of HM20 to be installed on cutterhead motor 8, the hydraulic load power of Real-time Collection cutterhead motor 8 and delivery pressure signal to control unit 10 (wherein, pressure transducer can arrange and carry out collection pressure signal every certain hour), control unit 10 receives the pressure signal of pressure transducer 9, judge that cutterhead buries depth of cut according to the induced pressure size of pressure signal, can draw through summing up, when pressure is greater than 0Mpa and is less than 6Mpa time, represent that cutterhead does not bury cutting, in time being greater than 9Mpa, represent that cutting of burying is too dark, perennial root can be destroyed, so normal operating pressure to remain on 6-9Mpa proper.Therefore, when control unit 10 judges that pressure signal is greater than or less than 6-9Mpa, then by transistor output unit 11, control signal is sent to three-position four-way electromagnetic directional valve 5, three-position four-way electromagnetic directional valve 5 Received signal strength carries out commutating the direction of control gear pump 4 outlet pressure oil, carry out driving lifting to reach control cutterhead ceding of Taiwan lift cylinder 7, finally realize the automatic control of the depth of cut of burying of cutterhead.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (6)
1. the automatic control system of a depth of cut of burying for sugar-cane cutting machine cutterhead, it is characterized in that, comprising: power plant, oil hydraulic pump, fuel tank, three-position four-way electromagnetic directional valve, hydraulic lock, pressure transducer, control unit and transistor output unit;
Described power plant are connected to drive this hydraulic pump works with described oil hydraulic pump, and described fuel tank connects the cutterhead ceding of Taiwan lift cylinder of described oil hydraulic pump, described three-position four-way electromagnetic directional valve, described hydraulic lock and sugar-cane cutting machine successively by pipeline;
Described three-position four-way electromagnetic directional valve is connected with described transistor output unit, described control unit and the pressure transducer be installed on cutterhead motor successively; The pressure signal that described control unit can be gathered according to described pressure transducer judges the embedded depth of cutterhead, commutate to control described three-position four-way electromagnetic directional valve by described crystal output unit, thus control described cutterhead ceding of Taiwan lift cylinder and be elevated.
2. the automatic control system of depth of cut of burying for sugar-cane cutting machine cutterhead according to claim 1, it is characterized in that, described pipeline is provided with relief valve.
3. the automatic control system of depth of cut of burying for sugar-cane cutting machine cutterhead according to claim 1, it is characterized in that, described power plant are diesel engine.
4. the automatic control system of depth of cut of burying for sugar-cane cutting machine cutterhead according to claim 1, it is characterized in that, described oil hydraulic pump is gear pump.
5. the automatic control system of depth of cut of burying for sugar-cane cutting machine cutterhead according to claim 1, is characterized in that, described cutterhead ceding of Taiwan lift cylinder is twin-tub pattern.
6. the automatic control system of depth of cut of burying for sugar-cane cutting machine cutterhead according to claim 1, is characterized in that, described pressure transducer is the universal pressure transmitter of HM20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600019.4A CN105201939A (en) | 2015-09-16 | 2015-09-16 | Automatic control system for underground cutting depth of cutterhead of sugarcane harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600019.4A CN105201939A (en) | 2015-09-16 | 2015-09-16 | Automatic control system for underground cutting depth of cutterhead of sugarcane harvester |
Publications (1)
| Publication Number | Publication Date |
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| CN105201939A true CN105201939A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510600019.4A Pending CN105201939A (en) | 2015-09-16 | 2015-09-16 | Automatic control system for underground cutting depth of cutterhead of sugarcane harvester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766228A (en) * | 2016-04-06 | 2016-07-20 | 云南省农业科学院甘蔗研究所 | Sugarcane soil-piercing slashing method |
| WO2019041012A1 (en) * | 2017-08-31 | 2019-03-07 | CNH Industrial Brasil Ltda. | Method for actuating the cutting discs of the line dividers in a harvester, harvester, and harvesting platform |
| CN110506492A (en) * | 2019-06-05 | 2019-11-29 | 丰疆智能科技研究院(常州)有限公司 | Agriculture diced system, hydraulic module and agriculture cutting method |
| US11957076B2 (en) | 2017-08-31 | 2024-04-16 | Cnh Industrial America Llc | Method for actuating the cutting discs of the dividers in a sugar cane harvester |
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| JPH10318205A (en) * | 1997-05-20 | 1998-12-02 | Shin Caterpillar Mitsubishi Ltd | Fluid pressure pilot system heat up circuit for working machine |
| CN101002526A (en) * | 2006-12-20 | 2007-07-25 | 柳州市汉森机械制造有限公司 | Machinery for harvesting sugarcane |
| CN102630430A (en) * | 2012-05-10 | 2012-08-15 | 广西大学 | High-rigidity cutting and feeding conveyor system for sugarcane |
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| CN204305642U (en) * | 2014-12-09 | 2015-05-06 | 中国农业机械化科学研究院 | A kind of cane harvesting machine and feed-type sugar cane cutter thereof |
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2015
- 2015-09-16 CN CN201510600019.4A patent/CN105201939A/en active Pending
Patent Citations (5)
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| JPH10318205A (en) * | 1997-05-20 | 1998-12-02 | Shin Caterpillar Mitsubishi Ltd | Fluid pressure pilot system heat up circuit for working machine |
| CN101002526A (en) * | 2006-12-20 | 2007-07-25 | 柳州市汉森机械制造有限公司 | Machinery for harvesting sugarcane |
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| 陈远玲，周启迪，黄芸茗，覃海英: "基于压力反馈的甘蔗收割机台架液压升降系统仿真", 《农机化研究》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766228A (en) * | 2016-04-06 | 2016-07-20 | 云南省农业科学院甘蔗研究所 | Sugarcane soil-piercing slashing method |
| WO2019041012A1 (en) * | 2017-08-31 | 2019-03-07 | CNH Industrial Brasil Ltda. | Method for actuating the cutting discs of the line dividers in a harvester, harvester, and harvesting platform |
| CN111372443A (en) * | 2017-08-31 | 2020-07-03 | 凯斯纽荷兰(中国)管理有限公司 | Method of actuating a cutting disc of a row divider of a harvesting machine, harvesting machine and header |
| US11957076B2 (en) | 2017-08-31 | 2024-04-16 | Cnh Industrial America Llc | Method for actuating the cutting discs of the dividers in a sugar cane harvester |
| CN110506492A (en) * | 2019-06-05 | 2019-11-29 | 丰疆智能科技研究院(常州)有限公司 | Agriculture diced system, hydraulic module and agriculture cutting method |
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Application publication date: 20151230 |