CN201919350U - Hydraulic system for rice machine - Google Patents

Hydraulic system for rice machine Download PDF

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Publication number
CN201919350U
CN201919350U CN2010206443369U CN201020644336U CN201919350U CN 201919350 U CN201919350 U CN 201919350U CN 2010206443369 U CN2010206443369 U CN 2010206443369U CN 201020644336 U CN201020644336 U CN 201020644336U CN 201919350 U CN201919350 U CN 201919350U
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CN
China
Prior art keywords
hydraulic
oil
valve
rice machine
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010206443369U
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Chinese (zh)
Inventor
郭显刚
陈敏革
武小伟
祖威
张义顺
郭文博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foton Lovol International Heavy Industries Co Ltd
Original Assignee
Foton Lovol International Heavy Industries Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN2010206443369U priority Critical patent/CN201919350U/en
Application granted granted Critical
Publication of CN201919350U publication Critical patent/CN201919350U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a hydraulic system for a rice machine, which comprises a main hydraulic control system and a pilot hydraulic control system, wherein the main hydraulic control system and the pilot hydraulic control system are connected through a hydraulic pipeline. Through the pilot control, the accurate stepless control can be carried out on the opening degree between a valve rod and a valve body of a multi-way valve used by the hydraulic system for the rice machine, and the proportion control can be further carried out on a cutting table oil cylinder control system of the rice machine, a steering cylinder control system or other hydraulic executing elements of the rice machine, so the work speed of the executing elements of the hydraulic system for the rice machine realizes stepless adjustability and precise and stable positioning according to the proportion of input signals. The hydraulic system solves the technical problems that the action is very stiff in the work process of each executing element in the hydraulic system of the rice machine, and various impact loads on the whole machine are great.

Description

A kind of paddy rice machine hydraulic system
Technical field
The utility model relates to a kind of paddy rice machine hydraulic system, belongs 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, by a kind of hydraulic system of utility model, paddy rice machine cut table oil cylinder control system, steering cylinder control system or other hydraulic actuator of paddy rice machine are carried out proportion control, the valve rod and the opening degree between the valve body of paddy rice machine banked direction control valves can be carried out accurately, the stepless change in labour-saving control, and then hydraulic system executive component operating rate is carried out stepless adjustable and accurate steady location according to the ratio of input signal.
The utility model content
Technical problem to be solved in the utility model is in order to overcome traditional defective that makes paddy rice machine usefulness banked direction control valves, provide a kind of and can reduce the complete machine impact load, improve the complete machine maneuvering performance, prolong the paddy rice machine hydraulic system of hydraulic system part life and machine life.
In order to address the above problem, the utility model by the following technical solutions:
A kind of paddy rice machine hydraulic system comprises main hydraulic control system and guide's hydraulic control system, connects by fluid pressure line between described main hydraulic control system and the guide's hydraulic control system.
Below be the utility model to above-mentioned further improvement:
Described 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 by fluid pressure line and turns to oil cylinder.
Further improve:
Described guide's banked direction control valves comprises the ceding of Taiwan lift cylinder control valve that is arranged in parallel 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:
Described hydraulic system main pump is connected with the hydraulic system power source, the hydraulic system main pump hydraulic system power source mechanical energy can be converted into hydraulic pressure can effect, and then provide the hydraulic pressure energy for main hydraulic control system.
Further improve:
The oil suction cleaner is connected with hydraulic oil container, and described oil suction cleaner plays the effect that control sucks main hydraulic control system cleanliness of hydraulic oil degree.
Further improve:
Described 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 by fluid pressure line successively.
Described 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: described pilot-actuated valve is provided with four operating position hydraulic fluid ports.
Wherein two operating position hydraulic fluid ports are connected by 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 by 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: described pioneer pump is connected by 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: described 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.
Described hydraulic oil oil-in is connected with the oil-out of check valve by fluid pressure line, and the hydraulic oil oil-out is connected with the in-line of pilot-actuated valve by fluid pressure line, and the hydraulic oil oil return opening is connected with hydraulic oil container.
During work, hydraulic oil enters 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 enters 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 by artificial manipulation pilot-actuated valve, the pressure oil that enters pilot-actuated valve is switched in operating position hydraulic fluid port, operating position hydraulic fluid port, operating position hydraulic fluid port, four actuator port positions of operating position hydraulic fluid port, so respectively control turn to oil cylinder and and control ceding of Taiwan oil cylinder in plunger flexible.
The utility model is controlled by the guide, 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 table oil 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.
The utility model is described in further detail below in conjunction with drawings and Examples:
Description of drawings
Accompanying drawing is a paddy rice machine hydraulic system principle figure among the utility model embodiment.
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 by fluid pressure line between described main hydraulic control system and the guide's hydraulic control system.
Described 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 by fluid pressure line and turns to oil cylinder 5.
Described oil suction cleaner 1 plays the effect that control sucks main hydraulic control system cleanliness of hydraulic oil degree.
Described hydraulic system main pump 2 is connected with hydraulic system power source 12, hydraulic system main pump 2 hydraulic system power source 12 mechanical energy can be converted into hydraulic pressure can effect, and then provide the hydraulic pressure energy for main hydraulic control system.
Oil suction cleaner 1 is connected with hydraulic oil container 13.
Described 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.
Described guide's banked direction control valves 3 comprises the ceding of Taiwan lift cylinder control valve 31 that is arranged in parallel 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.
Described 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 by fluid pressure line successively.
Described pioneer pump 6 and oil suction cleaner 1 are connected by pipeline, are connected with hydraulic system power source 12 on the pioneer pump 6, pioneer pump 6 hydraulic system power source 12 mechanical energy can be converted into hydraulic pressure can effect, and then provide the hydraulic pressure energy 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.
Described 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.
Described 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.
Described hydraulic oil oil inlet P is connected by the oil-out of fluid pressure line with check valve 8, and hydraulic oil oil-out A is connected by the in-line of fluid pressure line with pilot-actuated valve 11, and the hydraulic oil oil return inlet T is connected with hydraulic oil container 13.
Described 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 by 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 by 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.
Described operating position hydraulic fluid port C1 is connected by 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 by 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 enters in guide's banked direction control valves 3 through oil suction cleaner 1 driving under the effect of hydraulic system main pump 2 through hydraulic system power source 12.
Simultaneously, hydraulic oil enters in the pilot-actuated valve 11 through filter 7, check valve 8 and pilot system switch valve 10 driving under the effect of pioneer pump 6 through hydraulic system power source 12.
Handle valve rod by artificial manipulation pilot-actuated valve 11, the pressure oil that enters pilot-actuated valve is switched in operating position 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, so respectively control turn to oil cylinder 5 and and control ceding of Taiwan oil cylinder 4 in plunger flexible.

Claims (10)

1. a paddy rice machine hydraulic system is characterized in that: comprise main hydraulic control system and guide's hydraulic control system, connect by fluid pressure line between described main hydraulic control system and the guide's hydraulic control system.
2. a kind of paddy rice machine hydraulic system according to claim 1 is characterized in that: described 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 by fluid pressure line and turns to oil cylinder (5).
3. a kind of paddy rice machine hydraulic system according to claim 2, it is characterized in that: described guide's banked direction control valves (3) comprises the ceding of Taiwan lift cylinder control valve (31) that is arranged in parallel 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).
4. according to claim 2 or 3 described a kind of paddy rice machine hydraulic systems, it is characterized in that: described hydraulic system main pump (2) is connected with hydraulic system power source (12).
5. according to claim 2 or 3 described a kind of paddy rice machine hydraulic systems, it is characterized in that: oil suction cleaner (1) is connected with hydraulic oil container (13).
6. according to claim 2 or 3 described a kind of paddy rice machine hydraulic systems, it is characterized in that: described 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 by fluid pressure line successively.
7. a kind of paddy rice machine hydraulic system according to claim 6 is characterized in that: described 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 by 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 by 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.
8. a kind of paddy rice machine hydraulic system according to claim 6 is characterized in that: described pioneer pump (6) is connected by pipeline with oil suction cleaner (1), is connected with hydraulic system power source (12) on the pioneer pump (6).
9. a kind of paddy rice machine hydraulic system according to claim 6 is characterized in that: be connected with accumulator (9) on the connecting line between check valve (8) and the pilot system switch valve (10).
10. a kind of paddy rice machine hydraulic system according to claim 6, it is characterized in that: described 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);
Described hydraulic oil oil-in (P) is connected by the oil-out of fluid pressure line with check valve (8), and hydraulic oil oil-out (A) is connected by the in-line of fluid pressure line with pilot-actuated valve (11), and hydraulic oil oil return opening (T) is connected with hydraulic oil container (13).
CN2010206443369U 2010-12-06 2010-12-06 Hydraulic system for rice machine Expired - Lifetime CN201919350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206443369U CN201919350U (en) 2010-12-06 2010-12-06 Hydraulic system for rice machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206443369U CN201919350U (en) 2010-12-06 2010-12-06 Hydraulic system for rice machine

Publications (1)

Publication Number Publication Date
CN201919350U true CN201919350U (en) 2011-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206443369U Expired - Lifetime CN201919350U (en) 2010-12-06 2010-12-06 Hydraulic system for rice machine

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102090218A (en) * 2010-12-06 2011-06-15 福田雷沃国际重工股份有限公司 Hydraulic system for rice machine
CN102320520A (en) * 2011-08-18 2012-01-18 南通润邦重机有限公司 Wind power installation crane hydraulic control circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102090218A (en) * 2010-12-06 2011-06-15 福田雷沃国际重工股份有限公司 Hydraulic system for rice machine
CN102320520A (en) * 2011-08-18 2012-01-18 南通润邦重机有限公司 Wind power installation crane hydraulic control circuit
CN102320520B (en) * 2011-08-18 2013-05-22 南通润邦重机有限公司 Wind power installation crane hydraulic control circuit

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110810

Effective date of abandoning: 20130306

RGAV Abandon patent right to avoid regrant