CN102090218B - Hydraulic system for rice machine - Google Patents
Hydraulic system for rice machine Download PDFInfo
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- CN102090218B CN102090218B CN 201010575557 CN201010575557A CN102090218B CN 102090218 B CN102090218 B CN 102090218B CN 201010575557 CN201010575557 CN 201010575557 CN 201010575557 A CN201010575557 A CN 201010575557A CN 102090218 B CN102090218 B CN 102090218B
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- hydraulic
- oil
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- control
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 32
- 235000009566 rice Nutrition 0.000 title claims abstract description 32
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 31
- 239000003921 oil Substances 0.000 claims description 54
- 239000012530 fluid Substances 0.000 claims description 50
- 239000010720 hydraulic oil Substances 0.000 claims description 36
- 230000000694 effects Effects 0.000 description 15
- 230000003749 cleanliness Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000002950 deficient Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The invention discloses a hydraulic system for a rice machine, which comprises a main hydraulic control system and a pilot hydraulic control system. The main hydraulic control system is connected with the pilot hydraulic control system through a hydraulic pipeline. In the invention, by pilot control, the openness between a valve rod and a valve body, of a multiway valve used by the hydraulic system for the rice machine, can be subjected to accurate stepless control, so that proportional control can be carried out on an oil cylinder control system for a cutting table of the rice machine, a steering cylinder control system or other hydraulic executive components of the rice machine and the working speed of the executive components of the hydraulic system for the rice machine is ensured to be subjected to stepless adjustment and accurate stable positioning according to the ratio of input signals. The technical problems of stiff rigid action and various larger impact loads to the whole machine of all the executive components in the traditional hydraulic system for the rice machine in the working process are solved.
Description
Technical field
Apparatus of the present invention relate to a kind of paddy rice machine and use hydraulic system, belong to paddy rice machine hydraulic system control technology field.
Background technology
At present, the used banked direction control valves of domestic paddy rice machine hydraulic system is electromagnetic type banked direction control valves or mechanically controlled type banked direction control valves entirely, and the mechanically controlled type banked direction control valves is in the majority among both.The banked direction control valves of two kinds of forms in use, the valve rod of banked direction control valves and the opening degree between the valve body can not carry out accurately, the stepless change in labour-saving control.So just, cause hydraulic fluid in whole hydraulic system under the equal flow flow velocity too fast, cause system shock, the relatively poor and machine life of complete machine control performance is affected.Therefore; In paddy rice machine (full feeding, half feeding) hydraulic system; Through inventing a kind of hydraulic system; Paddy rice machine cut platform cylinder control system, steering cylinder control system or other hydraulic actuator of paddy rice machine are carried out proportion control, make that the valve rod of paddy rice machine banked direction control valves and the opening degree between the valve body can carry out accurately, the stepless change control in labour-saving, and then hydraulic system executive component operating rate is carried out stepless adjustable and accurate steady location according to the ratio of input signal.
Summary of the invention
Technical problem to be solved by this invention is in order to overcome the traditional defective of paddy rice machine with banked direction control valves that make; Provide a kind of and can reduce the complete machine impact load; Improve the complete machine maneuvering performance, the paddy rice machine that prolongs hydraulic system part life and machine life is used hydraulic system.
In order to address the above problem, the present invention adopts following technical scheme:
A kind of paddy rice machine is used hydraulic system, comprises main hydraulic control system and guide's hydraulic control system, connects through fluid pressure line between said main hydraulic control system and the guide's hydraulic control system.
Below be the present invention to above-mentioned further improvement:
Said main hydraulic control system comprises oil suction cleaner, hydraulic system main pump, guide's banked direction control valves and the ceding of Taiwan lift cylinder that connects through fluid pressure line and turns to oil cylinder.
Further improve:
Said guide's banked direction control valves comprises the ceding of Taiwan lift cylinder control valve that parallel connection is provided with and turns to the oil cylinder control valve that ceding of Taiwan lift cylinder control valve is provided with two guide's actuator ports, turns to the oil cylinder control valve to be provided with two guide's actuator ports.
Further improve:
Said hydraulic system main pump is connected with the hydraulic system power source, and the hydraulic system main pump can be converted into hydraulic system power source mechanical energy the effect of hydraulic pressure ability, and then is that main hydraulic control system provides the hydraulic pressure ability;
Further improve:
The oil suction cleaner is connected with hydraulic oil container, and said oil suction cleaner plays the effect that control sucks main hydraulic control system cleanliness of hydraulic oil degree.
Further improve:
Said guide's hydraulic control system comprises pioneer pump, guide's filter, check valve and pilot system switch valve and the pilot-actuated valve that connects through fluid pressure line successively.
Said filter plays the effect that control sucks guide's hydraulic control system cleanliness of hydraulic oil degree, and then protection guide hydraulic system element.
Further improve: said pilot-actuated valve is provided with four operating position hydraulic fluid ports.
Wherein two operating position hydraulic fluid ports are connected through fluid pressure line respectively with two guide's actuator ports that turn to the oil cylinder control valve, be used for controlling to turn to about oil cylinder control valve inner valve stem moving, and then control turn to the flexible of oil cylinder center pillar plug;
In addition two operating position hydraulic fluid ports are connected through fluid pressure line respectively with two guide's actuator ports of ceding of Taiwan lift cylinder control valve, are used to control about ceding of Taiwan lift cylinder control valve inner valve stem and move, and then control stretching of plunger in the ceding of Taiwan oil cylinder.
Further improve: said pioneer pump is connected through pipeline with the oil suction cleaner, is connected with the hydraulic system power source on the pioneer pump.
Further improve: be connected with accumulator on the connecting line between check valve and the pilot system switch valve.
Check valve and accumulator play and prevent that liquid from flowing backwards and the effect of course of work balance guide hydraulic system pressure impact at ordinary times and storage liquid pressure energy.
Further improve: said pilot system switch valve is provided with three hydraulic fluid ports, is respectively hydraulic oil oil-in, hydraulic oil oil-out, hydraulic oil oil return opening.
Said hydraulic oil oil-in is connected with the oil-out of check valve through fluid pressure line, and the hydraulic oil oil-out is connected with the in-line of pilot-actuated valve through fluid pressure line, and the hydraulic oil oil return opening is connected with hydraulic oil container.
During work, hydraulic oil gets in guide's banked direction control valves through the oil suction cleaner under the effect of hydraulic system drive power source hydraulic system main pump.
Simultaneously, hydraulic oil gets in the pilot-actuated valve through filter, check valve and pilot system switch valve under the effect of hydraulic system drive power source pioneer pump.
Handle valve rod through artificial manipulation pilot-actuated valve; The pressure oil that gets into pilot-actuated valve is switched in hydraulic fluid port, operating position hydraulic fluid port, operating position hydraulic fluid port, four actuator port positions of operating position hydraulic fluid port in the operating position, so respectively control turn to oil cylinder and with control ceding of Taiwan oil cylinder in plunger flexible.
The present invention is through guide's control; Make the opening degree between used banked direction control valves valve rod of paddy rice machine hydraulic system and the valve body can carry out stepless accurately control; And then paddy rice machine cut platform cylinder control system, steering cylinder control system or other hydraulic actuator of paddy rice machine carried out proportion control, make paddy rice machine hydraulic system executive component operating rate carry out stepless adjustable and accurate steady location according to the ratio of input signal.Solved in the present paddy rice machine hydraulic system each executive component in the course of the work, it is more stiff to move, to the bigger technical problem of the various impact loads of complete machine; Behind this scheme implementation; To make each executive component stable action in the paddy rice machine hydraulic system, as ceding of Taiwan hoisting velocity with ratio carry out stepless adjustable, steering is soft etc., has also reduced the complete machine impact load; Improve the complete machine maneuvering performance, prolong hydraulic system part life and machine life.
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Description of drawings
Accompanying drawing is that the paddy rice machine is used hydraulic system principle figure in the embodiment of the invention.
Among the figure: 1-oil suction cleaner; 2-hydraulic system main pump; 3-guide's banked direction control valves; 31-ceding of Taiwan lift cylinder control valve; 32-turns to the oil cylinder control valve; 4-ceding of Taiwan lift cylinder; 5-turns to oil cylinder; The 6-pioneer pump; 7-guide's filter; The 8-check valve; The 9-accumulator; 10-pilot system switch valve; The 11-pilot-actuated valve; 12-hydraulic system power source; The 13-hydraulic oil container; A2, B2, C2, D2-guide's actuator port; A1, B1, C1, D1-operating position hydraulic fluid port; P-hydraulic oil oil-in; A-hydraulic oil oil-out, T-hydraulic oil oil return opening.
Embodiment
Embodiment, as shown in the figure, a kind of paddy rice machine comprises main hydraulic control system and guide's hydraulic control system with hydraulic system, connects through fluid pressure line between said main hydraulic control system and the guide's hydraulic control system.
Said main hydraulic control system comprises successively oil suction cleaner 1, hydraulic system main pump 2, guide's banked direction control valves 3 and the ceding of Taiwan lift cylinder 4 that connects through fluid pressure line and turns to oil cylinder 5.
Said oil suction cleaner 1 plays the effect that control sucks main hydraulic control system cleanliness of hydraulic oil degree.
Said hydraulic system main pump 2 is connected with hydraulic system power source 12, and hydraulic system main pump 2 can be converted into hydraulic system power source 12 mechanical energy the effect of hydraulic pressure ability, and then is that main hydraulic control system provides the hydraulic pressure ability;
Oil suction cleaner 1 is connected with hydraulic oil container 13.
Said ceding of Taiwan lift cylinder 4 is used to control the executive component of ceding of Taiwan assembly rise and fall.
Turn to oil cylinder 5 to be used to control the executive component of gearbox left and right sides driving shaft arrangement of clutch.
Said guide's banked direction control valves 3 comprises the ceding of Taiwan lift cylinder control valve 31 that parallel connection is provided with and turns to oil cylinder control valve 32; Ceding of Taiwan lift cylinder control valve 31 is provided with guide's actuator port C2 and guide's actuator port D2, turns to oil cylinder control valve 32 to be provided with guide's actuator port A2 and guide's actuator port B2.
Said guide's hydraulic control system comprises pioneer pump 6, guide's filter 7, check valve 8 and pilot system switch valve 10 and the pilot-actuated valve 11 that connects through fluid pressure line successively.
Said pioneer pump 6 and oil suction cleaner 1 are connected through pipeline, are connected with hydraulic system power source 12 on the pioneer pump 6, pioneer pump 6 can with hydraulic system power source 12 mechanical energy be converted into hydraulic pressure can effect, and then the hydraulic pressure ability is provided for guide's hydraulic control system.
Be connected with accumulator 9 on the connecting line between check valve 8 and the pilot system switch valve 10, check valve 8 plays with accumulator 9 and prevents that liquid from flowing backwards and the effect of course of work balance guide hydraulic system pressure impact at ordinary times and storage liquid pressure energy.
Said filter 7 plays the effect that control sucks guide's hydraulic control system cleanliness of hydraulic oil degree, and then protection guide hydraulic system element.
Said pilot system switch valve 10 plays the effect of cutting off or opening the pilot system power source, and pilot system switch valve 10 is provided with three hydraulic fluid ports, is respectively hydraulic oil oil inlet P, hydraulic oil oil-out A, hydraulic oil oil return inlet T.
Said hydraulic oil oil inlet P is connected with the oil-out of check valve 8 through fluid pressure line, and hydraulic oil oil-out A is connected with the in-line of pilot-actuated valve 11 through fluid pressure line, and the hydraulic oil oil return inlet T is connected with hydraulic oil container 13.
Said pilot-actuated valve 11 plays the effect of control guide banked direction control valves 3 valve rods action, and pilot-actuated valve 11 has four operating positions, is respectively operating position hydraulic fluid port A1, operating position hydraulic fluid port B1, operating position hydraulic fluid port C1, operating position hydraulic fluid port D1;
Wherein hydraulic fluid port A1 in operating position is connected through fluid pressure line with the guide's actuator port A2 that turns to oil cylinder control valve 32; Operating position hydraulic fluid port B1 is connected through fluid pressure line with the guide's actuator port B2 that turns to oil cylinder control valve 32; Be used for control and turn to about oil cylinder control valve 32 inner valve stem and move, and then control turns to the flexible of plunger in the oil cylinder 5;
Said operating position hydraulic fluid port C1 is connected through fluid pressure line with guide's actuator port C2 of ceding of Taiwan lift cylinder control valve 31; Operating position hydraulic fluid port D1 is connected through fluid pressure line with guide's actuator port D2 of ceding of Taiwan lift cylinder control valve 31; Be used to control about ceding of Taiwan lift cylinder control valve 31 inner valve stem and move, and then plunger flexible in the control ceding of Taiwan oil cylinder 4.
During work, hydraulic oil is driving under the effect of hydraulic system main pump 2 through hydraulic system power source 12, gets in guide's banked direction control valves 3 through oil suction cleaner 1.
Simultaneously, hydraulic oil is driving under the effect of pioneer pump 6 through hydraulic system power source 12, gets in the pilot-actuated valve 11 through filter 7, check valve 8 and pilot system switch valve 10.
Handle valve rod through artificial manipulation pilot-actuated valve 11; The pressure oil that gets into pilot-actuated valve is switched in hydraulic fluid port A1, operating position hydraulic fluid port B1, operating position hydraulic fluid port C1, four actuator port positions of operating position hydraulic fluid port D1 in the operating position, so respectively control turn to oil cylinder 5 and with control ceding of Taiwan oil cylinder 4 in plunger flexible.
Claims (6)
1. a paddy rice machine is used hydraulic system, it is characterized in that: comprise main hydraulic control system and guide's hydraulic control system, connect through fluid pressure line between said main hydraulic control system and the guide's hydraulic control system;
Said main hydraulic control system comprises oil suction cleaner (1), hydraulic system main pump (2), guide's banked direction control valves (3) and the ceding of Taiwan lift cylinder (4) that connects through fluid pressure line and turns to oil cylinder (5);
Said guide's banked direction control valves (3) comprises the ceding of Taiwan lift cylinder control valve (31) that parallel connection is provided with and turns to oil cylinder control valve (32); Ceding of Taiwan lift cylinder control valve (31) is provided with two guide's actuator ports (C2, D2), turns to oil cylinder control valve (32) to be provided with two guide's actuator ports (A2, B2);
Said guide's hydraulic control system comprises pioneer pump (6), guide's filter (7), check valve (8) and pilot system switch valve (10) and the pilot-actuated valve (11) that connects through fluid pressure line successively;
Said pilot-actuated valve (11) has four operating position hydraulic fluid ports (A1, B1, C1, D1);
Wherein two operating position hydraulic fluid ports (A1, B1) are connected through fluid pressure line respectively with two the guide's actuator ports (A2, B2) that turn to oil cylinder control valve (32); Be used for controlling to turn to about oil cylinder control valve (32) inner valve stem moving, and then control turns to the flexible of the middle plunger of oil cylinder (5);
Two operating position hydraulic fluid ports (C1, D1) are connected through fluid pressure line respectively with two guide's actuator ports (C2, D2) of ceding of Taiwan lift cylinder control valve (31) in addition; Be used to control about ceding of Taiwan lift cylinder control valve (31) inner valve stem and move, and then the middle plunger of control ceding of Taiwan oil cylinder (4) is flexible.
2. paddy rice machine according to claim 1 is used hydraulic system, it is characterized in that: said hydraulic system main pump (2) is connected with hydraulic system power source (12).
3. paddy rice machine according to claim 2 is used hydraulic system, it is characterized in that: oil suction cleaner (1) is connected with hydraulic oil container (13).
4. paddy rice machine according to claim 3 is used hydraulic system, it is characterized in that: said pioneer pump (6) is connected through pipeline with oil suction cleaner (1), is connected with hydraulic system power source (12) on the pioneer pump (6).
5. paddy rice machine according to claim 4 is used hydraulic system, it is characterized in that: be connected with accumulator (9) on the connecting line between check valve (8) and the pilot system switch valve (10).
6. paddy rice machine according to claim 5 is used hydraulic system, it is characterized in that: said pilot system switch valve (10) is provided with three hydraulic fluid ports, is respectively hydraulic oil oil-in (P), hydraulic oil oil-out (A), hydraulic oil oil return opening (T);
Said hydraulic oil oil-in (P) is connected with the oil-out of check valve (8) through fluid pressure line, and hydraulic oil oil-out (A) is connected with the in-line of pilot-actuated valve (11) through fluid pressure line, and hydraulic oil oil return opening (T) is connected with hydraulic oil container (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010575557 CN102090218B (en) | 2010-12-06 | 2010-12-06 | Hydraulic system for rice machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010575557 CN102090218B (en) | 2010-12-06 | 2010-12-06 | Hydraulic system for rice machine |
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| Publication Number | Publication Date |
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| CN102090218A CN102090218A (en) | 2011-06-15 |
| CN102090218B true CN102090218B (en) | 2012-12-26 |
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| CN 201010575557 Active CN102090218B (en) | 2010-12-06 | 2010-12-06 | Hydraulic system for rice machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102936905B (en) * | 2012-10-11 | 2016-05-11 | 泰州市兴东煤矿机械制造有限公司 | A kind of colliery crushing and loading roadway repairer |
| US11219162B2 (en) * | 2019-04-23 | 2022-01-11 | Deere & Company | Controlled header lowering on an agricultural harvester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100506435B1 (en) * | 2002-06-28 | 2005-08-10 | 가부시끼 가이샤 구보다 | Harvester |
| CN2792140Y (en) * | 2005-06-12 | 2006-07-05 | 张捷 | Hydraulic driver of rear wheel for harvester |
| JP4979054B2 (en) * | 2005-09-13 | 2012-07-18 | ヤンマー株式会社 | Combined hydraulic structure |
| CA2522387C (en) * | 2005-10-25 | 2010-12-21 | Macdon Industries Ltd. | Crop harvesting header with drive reversal |
| JP2008022770A (en) * | 2006-07-20 | 2008-02-07 | Kubota Corp | Combine |
| CN101331829A (en) * | 2008-06-05 | 2008-12-31 | 闻毅萍 | Hydraulic system of harvesting machine |
| JP2010076647A (en) * | 2008-09-26 | 2010-04-08 | Iseki & Co Ltd | Hydraulic control circuit for working vehicle or the like |
| CN201919350U (en) * | 2010-12-06 | 2011-08-10 | 福田雷沃国际重工股份有限公司 | Hydraulic system for rice machine |
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| CP01 | Change in the name or title of a patent holder |
Address after: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee after: LOVOL HEAVY INDUSTRY Co.,Ltd. Address before: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee before: FOTON LOVOL INTERNATIONAL HEAVY INDUSTRY Co.,Ltd. |
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Inventor after: Zhang Peng Inventor after: Guo Xiangang Inventor after: Chen Minge Inventor after: Wu Xiaowei Inventor after: Zu Wei Inventor after: Zhang Yishun Inventor after: Guo Wenbo Inventor before: Guo Xiangang Inventor before: Chen Minge Inventor before: Wu Xiaowei Inventor before: Zu Wei Inventor before: Zhang Yishun Inventor before: Guo Wenbo |
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Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai leiwo Heavy Industry Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: LOVOL HEAVY INDUSTRY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |
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