CN104696297A - Hydraulic control system for hydraulic drive cutting table and elevator - Google Patents
Hydraulic control system for hydraulic drive cutting table and elevator Download PDFInfo
- Publication number
- CN104696297A CN104696297A CN201310662859.4A CN201310662859A CN104696297A CN 104696297 A CN104696297 A CN 104696297A CN 201310662859 A CN201310662859 A CN 201310662859A CN 104696297 A CN104696297 A CN 104696297A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- oil
- pressure
- elevator
- valve
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/03—Driving mechanisms or parts thereof for harvesters or mowers fluid
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/005—Leakage; Spillage; Hose burst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40576—Assemblies of multiple valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/62—Cooling or heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/857—Monitoring of fluid pressure systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a hydraulic control system for a hydraulic drive cutting table and an elevator. The hydraulic control system comprises an engine, a hydraulic oil tank, a gear pump, a pressure sensor I, a pressure compensation valve I, a controller, a pressure sensor II, a pressure sensor III, a reverse valve I, a hydraulic motor I, the cutting table, the elevator, a hydraulic motor II, a reverse valve II, a pressure compensation valve II and an overflow valve, wherein intelligence of harvester operation is realized through oil path connection and under the control of the controller. The hydraulic control system simplifies a transmission system of a complete machine and improves the working efficiency of the machine.
Description
Technical field
The present invention relates to the hydraulic control system on a kind of farm machinery, particularly the hydraulic control system of a kind of hydraulic driving ceding of Taiwan and elevator.
Background technique
At present, the running of corn harvester and elevator is all generally adopt the mode of mechanical transmission (as belt transmission and Chain conveyer) to drive, all needing could power transmission to the live axle of the ceding of Taiwan and elevator through multi-stage speed-reducing, cause the complex structure of transmission device, where tired installation and maintenance is, and rate of fault is also higher.
Summary of the invention
The object of this invention is to provide a kind of transmission system simple, working efficiency is high and have the necessarily intelligent hydraulic driving ceding of Taiwan and the hydraulic control system of elevator.
The technological scheme realizing the object of the invention is: the present invention includes motor, hydraulic oil container, gear pump, pressure transducer, pressure-compensated valve, controller, No. two pressure transducers, No. three pressure transducers, selector valve, oil hydraulic motor, the ceding of Taiwan, elevator, No. two oil hydraulic motors, No. two selector valves, No. two pressure-compensated valves, relief valves; Described motor is connected with gear pump, and hydraulic oil container is connected with the filler opening of gear pump by oil pipe, and the oil outlet of gear pump is connected with the filler opening of relief valve, a pressure-compensated valve and No. two pressure-compensated valves respectively by oil pipe; The oil outlet of a described pressure-compensated valve is connected with the filler opening of a selector valve, and the oil outlet of No. two pressure-compensated valves is connected with the filler opening of No. two selector valves; The oil outlet of the drain tap of a described selector valve, the drain tap of No. two selector valves and relief valve is communicated with hydraulic oil container by after oil pipe parallel connection; The filler opening of described relief valve is provided with a pressure transducer, and the oil outlet of a pressure-compensated valve is provided with No. two pressure transducers, and the oil outlet of No. two pressure-compensated valves is provided with No. three pressure transducers; The actuator port of a described selector valve is connected with an oil hydraulic motor, and the actuator port of No. two selector valves is connected with No. two oil hydraulic motors; The described output shaft of an oil hydraulic motor is connected with the power input shaft of the ceding of Taiwan, and the output shaft of No. two oil hydraulic motors is connected with the power input shaft of elevator; A described pressure transducer, No. two pressure transducers are connected with controller communication in the mode transmitting information to controller with No. three pressure transducers; A described selector valve, No. two selector valves are connected with controller communication in the mode accepting controller control signal with relief valve.
Above-mentionedly also comprise a fan-cooled radiator; The drain tap of a described selector valve, the drain tap of No. two selector valves, the oil outlet of relief valve are connected with the filler opening of fan-cooled radiator by oil pipe, and the oil outlet of fan-cooled radiator is communicated with hydraulic oil container.
Above-mentionedly also comprise oil absorption filter and return filter; Described oil absorption filter is arranged on the oil outlet place, bottom of hydraulic oil container, and the oil outlet of oil absorption filter is connected with the filler opening of gear pump; Described return filter is arranged on the top of hydraulic oil container, and the filler opening of return filter is connected with the oil outlet of air-cooled radiator.
Above-mentioned motor has fan, and fan-cooled radiator is arranged on fan side.
The filler opening of above-mentioned relief valve is also provided with a pressure gauge.
Above-mentioned hydraulic oil container is provided with air filter.
The output shaft of an above-mentioned oil hydraulic motor is connected with the power input shaft of the ceding of Taiwan by coupling; The output shaft of described No. two oil hydraulic motors is connected with the power input shaft of elevator by coupling.
The present invention has positive effect: (1) the present invention adopts Hydraulic Power Transmission System and electrical apparatus control system, enhances the intelligent of corn harvester operation, simplifies driving system, improve the working efficiency of machine; (2) the present invention adopts two-way hydraulic motor to realize the clockwise and anticlockwise of the ceding of Taiwan and elevator, the fault that the solution ceding of Taiwan and elevator foreign matters from being blocked cause; (3) applying pressure recuperation valve of the present invention realizes two oil hydraulic motor output speeds and does not change with the change of work loads.
Accompanying drawing explanation
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is connection diagram of the present invention;
Fig. 2 is structural representation of the present invention.
Embodiment
See that Fig. 1 and Fig. 2 is known, the present invention includes motor 1, air filter 2, hydraulic oil container 3, oil absorption filter 4, gear pump 5, pressure transducer 6, pressure-compensated valve 7, controller 8, No. two pressure transducers 9, No. three pressure transducers 10, selector valve 11, oil hydraulic motor 12, the ceding of Taiwan 13, elevator 14, No. two oil hydraulic motors 15, No. two selector valves 16, No. two pressure-compensated valves 17, relief valve 19, fan-cooled radiator 20, return filters 21; Described motor 1 is connected with gear pump 5, and oil absorption filter 4 is arranged on the oil outlet place, bottom of hydraulic oil container 3, and the oil outlet of oil absorption filter 4 is connected with the filler opening of gear pump 5; The oil outlet of described gear pump 5 is connected with the filler opening of relief valve 19, pressure-compensated valve 7 and No. two pressure-compensated valves 17 respectively by oil pipe; The oil outlet of a described pressure-compensated valve 7 is connected with the filler opening of a selector valve 11, and the oil outlet of No. two pressure-compensated valves 17 is connected with the filler opening of No. two selector valves 16; The oil outlet of the drain tap of a described selector valve 11, the drain tap of No. two selector valves 16, relief valve 19 is connected by the filler opening of oil pipe with fan-cooled radiator 20; Described return filter (21) is arranged on the top of hydraulic oil container (3), and the filler opening of return filter (21) is connected with the oil outlet of air-cooled radiator (20); The oil outlet that the oil outlet that the filler opening of described relief valve 19 is provided with a pressure transducer 6, pressure-compensated valve 7 is provided with No. two pressure transducers 9, No. two pressure-compensated valves 17 is provided with No. three pressure transducers 10; The actuator port of a described selector valve 11 is connected with an oil hydraulic motor 12, and the actuator port of No. two selector valves 16 is connected with No. two oil hydraulic motors 15; The output shaft of a described oil hydraulic motor 12 is connected by the power input shaft of coupling with the ceding of Taiwan 13, No. two oil hydraulic motors 15) output shaft be connected by the power input shaft of coupling with elevator 14; A described pressure transducer 6, No. two pressure transducers 9 are connected with controller 8 communication in the mode transmitting information to controller 8 with No. three pressure transducers 10; A described selector valve 11, No. two selector valves 16 are connected with controller 8 communication in the mode accepting controller 8 control signal with relief valve 19; Described motor 1 has fan, and fan-cooled radiator 20 is arranged on fan side; The filler opening of described relief valve 19 is also provided with a pressure gauge 18; Described hydraulic oil container 3 is provided with air filter 2.
Working principle of the present invention is as follows:
Ato unit 1, low pressure fluid flows through oil absorption filter 4 and enters gear pump 5 filler opening, high pressure oil flows to the filler opening of relief valve 19, pressure-compensated valve 7 and No. two pressure-compensated valves 17 from the oil outlet of gear pump 5, then flow to the filler opening of a selector valve 11 and No. two selector valves 16 respectively by the oil outlet of a pressure-compensated valve 7 and No. two pressure-compensated valves 17.Relief valve 19 obtains electric, and whole hydraulic oil flows through this valve to be got back in hydraulic oil container 3.Now system is in low pressure armed state.
The wherein low-pressure settings of a pressure transducer 6, high pressure set point and measured value are respectively U
10, U
10 ' and U
11; Setting value and the measured value of No. two pressure transducers 9 are respectively U
20 and U
21; Setting value and the measured value of No. three pressure transducers are respectively U
30 and U
31.
If the U of a pressure transducer 6
11-U
1during 0>0, illustrate that fan-cooled radiator 20 or return filter 21 are in abnormal operation, controller 8 gives motor 1 one misfire signals.
Successively press the rotating forward control knob of elevator 14 and the ceding of Taiwan 13, control No. two selector valves 16 and a selector valve 11 commutate respectively, and No. two oil hydraulic motors 15 and an oil hydraulic motor 12 are successively come into operation.Do not press before elevator 14 rotates forward control knob, press the ceding of Taiwan 13 to rotate forward control knob a selector valve 11 can not be made to commutate, control an oil hydraulic motor 12 to rotate forward, but the ceding of Taiwan 13 control knob that reverses can be pressed a selector valve 11 is commutated, control an oil hydraulic motor 12 and reverse.Elevator 14 and the ceding of Taiwan 13 can only rotate forward simultaneously, operate while can not carrying out under other states.In addition, as long as press the clockwise and anticlockwise control knob of elevator 14 or the clockwise and anticlockwise control knob of the ceding of Taiwan 13, controller 8 all will make relief valve 19 dead electricity, and system working pressure is changed with the change of load.
Work as U
21-U
20 < 0, U
31-U
3during 0 < 0, system worked well.
Work as U
21-U
20>=0 or U
31-U
3when 0>=0, controller 8 makes a selector valve 11 and No. two selector valves 16 get back to meta, then makes relief valve 19 obtain electric, and sounds the alarm.
Above-described specific embodiment; object of the present invention, technological scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the hydraulic control system of a hydraulic driving ceding of Taiwan and elevator; It is characterized in that: comprise motor (1), hydraulic oil container (3), gear pump (5), pressure transducer (6), pressure-compensated valve (7), controller (8), No. two pressure transducers (9), No. three pressure transducers (10), selector valve (11), oil hydraulic motor (12), the ceding of Taiwan (13), elevator (14), No. two oil hydraulic motors (15), No. two selector valves (16), No. two pressure-compensated valves (17), relief valve (19); Described motor (1) is connected with gear pump (5), hydraulic oil container (3) is connected by the filler opening of oil pipe with gear pump (5), and the oil outlet of gear pump (5) is connected with the filler opening of relief valve (19), a pressure-compensated valve (7) and No. two pressure-compensated valves (17) respectively by oil pipe; The oil outlet of a described pressure-compensated valve (7) is connected with the filler opening of a selector valve (11), and the oil outlet of No. two pressure-compensated valves (17) is connected with the filler opening of No. two selector valves (16); The oil outlet of the drain tap of a described selector valve (11), the drain tap of No. two selector valves (16) and relief valve (19) is communicated with hydraulic oil container (3) by after oil pipe parallel connection; The filler opening of described relief valve (19) is provided with a pressure transducer (6), and the oil outlet of a pressure-compensated valve (7) is provided with No. two pressure transducers (9), and the oil outlet of No. two pressure-compensated valves (17) is provided with No. three pressure transducers (10); The actuator port of a described selector valve (11) is connected with an oil hydraulic motor (12), and the actuator port of No. two selector valves (16) is connected with No. two oil hydraulic motors (15); The output shaft of a described oil hydraulic motor (12) is connected with the power input shaft of the ceding of Taiwan (13), and the output shaft of No. two oil hydraulic motors (15) is connected with the power input shaft of elevator (14); A described pressure transducer (6), No. two pressure transducers (9) are connected with controller (8) communication in the mode transmitting information to controller (8) with No. three pressure transducers (10); A described selector valve (11), No. two selector valves (16) are connected with controller (8) communication in the mode accepting controller (8) control signal with relief valve (19).
2. the hydraulic control system of a kind of hydraulic driving ceding of Taiwan according to claim 1 and elevator, is characterized in that: also comprise a fan-cooled radiator (20); The oil outlet of the drain tap of a described selector valve (11), the drain tap of No. two selector valves (16), relief valve (19) is connected by the filler opening of oil pipe with fan-cooled radiator (20), and the oil outlet of fan-cooled radiator (20) is communicated with hydraulic oil container (3).
3. the hydraulic control system of a kind of hydraulic driving ceding of Taiwan according to claim 2 and elevator, is characterized in that: also comprise oil absorption filter (4) and return filter (21); Described oil absorption filter (4) is arranged on the oil outlet place, bottom of hydraulic oil container (3), and the oil outlet of oil absorption filter (4) is connected with the filler opening of gear pump (5); Described return filter (21) is arranged on the top of hydraulic oil container (3), and the filler opening of return filter (21) is connected with the oil outlet of air-cooled radiator (20).
4. the hydraulic control system of a kind of hydraulic driving ceding of Taiwan according to claim 3 and elevator, it is characterized in that: (1) has fan with described motor, fan-cooled radiator (20) is arranged on fan side.
5. the hydraulic control system of a kind of hydraulic driving ceding of Taiwan according to claim 4 and elevator, is characterized in that: the filler opening of described relief valve (19) is also provided with a pressure gauge (18).
6. the hydraulic control system of a kind of hydraulic driving ceding of Taiwan according to claim 5 and elevator, is characterized in that: described hydraulic oil container (3) is provided with air filter (2).
7. the hydraulic control system of a kind of hydraulic driving ceding of Taiwan according to claim 6 and elevator, is characterized in that: the output shaft of a described oil hydraulic motor (12) is connected by the power input shaft of coupling with the ceding of Taiwan (13); The output shaft of described No. two oil hydraulic motors (15) is connected by the power input shaft of coupling with elevator (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662859.4A CN104696297A (en) | 2013-12-09 | 2013-12-09 | Hydraulic control system for hydraulic drive cutting table and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662859.4A CN104696297A (en) | 2013-12-09 | 2013-12-09 | Hydraulic control system for hydraulic drive cutting table and elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104696297A true CN104696297A (en) | 2015-06-10 |
Family
ID=53343737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310662859.4A Pending CN104696297A (en) | 2013-12-09 | 2013-12-09 | Hydraulic control system for hydraulic drive cutting table and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696297A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114053A (en) * | 2018-08-31 | 2019-01-01 | 武汉船用机械有限责任公司 | A kind of more winch hydraulic systems |
| CN109322861A (en) * | 2018-11-22 | 2019-02-12 | 徐州徐工随车起重机有限公司 | A kind of double pump height speed control system of road guard breakdown van |
| CN110447393A (en) * | 2019-08-08 | 2019-11-15 | 山东五征集团有限公司 | Agricultural harvesting machinery ceding of Taiwan shape imitation hydraulic control system with pressure compensation |
| 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 |
| CN113210952A (en) * | 2021-06-08 | 2021-08-06 | 湘潭大学 | Cold source acquisition system for welding |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11189171A (en) * | 1997-12-25 | 1999-07-13 | Kayaba Ind Co Ltd | Transmission steering device |
| CN101331829A (en) * | 2008-06-05 | 2008-12-31 | 闻毅萍 | Hydraulic system of harvesting machine |
| CN101672748A (en) * | 2009-09-27 | 2010-03-17 | 合肥通用机械研究院 | 400MPa super-high pressure fatigue test device and test method |
| CN202746309U (en) * | 2012-08-30 | 2013-02-20 | 北京索普液压机电有限公司 | Hydraulic press machine capable of machining transformer coil |
| WO2013157672A1 (en) * | 2012-04-17 | 2013-10-24 | 볼보 컨스트럭션 이큅먼트 에이비 | Hydraulic system for construction equipment |
| JP2013227796A (en) * | 2012-04-26 | 2013-11-07 | Sumitomo (Shi) Construction Machinery Co Ltd | Construction machine |
| CN203685728U (en) * | 2013-12-09 | 2014-07-02 | 江苏江淮动力股份有限公司 | Hydraulic control system for hydraulic drive header and elevator |
-
2013
- 2013-12-09 CN CN201310662859.4A patent/CN104696297A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11189171A (en) * | 1997-12-25 | 1999-07-13 | Kayaba Ind Co Ltd | Transmission steering device |
| CN101331829A (en) * | 2008-06-05 | 2008-12-31 | 闻毅萍 | Hydraulic system of harvesting machine |
| CN101672748A (en) * | 2009-09-27 | 2010-03-17 | 合肥通用机械研究院 | 400MPa super-high pressure fatigue test device and test method |
| WO2013157672A1 (en) * | 2012-04-17 | 2013-10-24 | 볼보 컨스트럭션 이큅먼트 에이비 | Hydraulic system for construction equipment |
| JP2013227796A (en) * | 2012-04-26 | 2013-11-07 | Sumitomo (Shi) Construction Machinery Co Ltd | Construction machine |
| CN202746309U (en) * | 2012-08-30 | 2013-02-20 | 北京索普液压机电有限公司 | Hydraulic press machine capable of machining transformer coil |
| CN203685728U (en) * | 2013-12-09 | 2014-07-02 | 江苏江淮动力股份有限公司 | Hydraulic control system for hydraulic drive header and elevator |
Non-Patent Citations (4)
| Title |
|---|
| 刘寒冰等: "收割机液压系统状态监测及故障诊断装置的研制", 《农业工程学报》 * |
| 王海飞等: "基于AMESim的甘蔗收割机液压系统建模与仿真研究", 《重庆交通大学学报（自然科学版）》 * |
| 申吉成: "4YZ-3型自走式玉米联合收获机", 《农业机械》 * |
| 陈远玲等: "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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114053A (en) * | 2018-08-31 | 2019-01-01 | 武汉船用机械有限责任公司 | A kind of more winch hydraulic systems |
| CN109114053B (en) * | 2018-08-31 | 2020-06-09 | 武汉船用机械有限责任公司 | Multi-winch hydraulic system |
| CN109322861A (en) * | 2018-11-22 | 2019-02-12 | 徐州徐工随车起重机有限公司 | A kind of double pump height speed control system of road guard breakdown van |
| 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 |
| CN110447393A (en) * | 2019-08-08 | 2019-11-15 | 山东五征集团有限公司 | Agricultural harvesting machinery ceding of Taiwan shape imitation hydraulic control system with pressure compensation |
| CN113210952A (en) * | 2021-06-08 | 2021-08-06 | 湘潭大学 | Cold source acquisition system for welding |
| CN113210952B (en) * | 2021-06-08 | 2022-04-22 | 湘潭大学 | Cold source acquisition system for welding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104696297A (en) | Hydraulic control system for hydraulic drive cutting table and elevator | |
| CN203018161U (en) | Hydraulic system of double-shaft crusher | |
| CN204755430U (en) | Broken host computer actuating system | |
| CN103982181B (en) | A kind of coalcutter high reliability mechanical electronic hydraulic short distance is cut and is cut transmission system and control method | |
| CN203685728U (en) | Hydraulic control system for hydraulic drive header and elevator | |
| CN204458598U (en) | A kind of hydraulic system and there is its engineering machinery | |
| CN101004190A (en) | Open type integral hydraulic motor system | |
| CN102926359A (en) | Manual and electric dual-purpose integrated hydraulic hoist | |
| CN104196788B (en) | A kind of hydraulic-driven corn straw smashing returning device and using method thereof | |
| CN204398866U (en) | High-power all-hydraulic liquid nitrogen pump actuating device and direct-combustion type liquid nitrogen pump truck | |
| CN203775722U (en) | Steering-first hydraulic working system of harvesting machinery | |
| CN104265613B (en) | All-hydraulic grouting pump and its implementation | |
| CN203500144U (en) | Hydraulic closed loading system | |
| CN204061381U (en) | A kind of hydraulic driving corn straw smashing returning device | |
| CN106856794B (en) | A kind of Hynautio-steering and peanut combine | |
| CN200982332Y (en) | Closed type integral liquid motor system | |
| CN105438980B (en) | A kind of explosion-proof driving hydraulic control system | |
| CN203783996U (en) | Hydraulic control system for weed-cutting launch | |
| CN202132316U (en) | Hydraulic pump station | |
| CN204021240U (en) | A kind of clutch transfer gear box exported with polytype | |
| CN202732555U (en) | Hydraumatic crawler crane motor oil supply and system cooling device | |
| CN207634413U (en) | A kind of hydraulic closed multi-motor speed control system | |
| CN103790821A (en) | Hydraulic power unit for glass fiber reinforced plastic yacht | |
| CN201907577U (en) | Electric oil cylinder hydraulic device of commercial vehicle cab tilting device | |
| CN201351602Y (en) | Spiral gear oil pump unit used for ship |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |