CN1456820A - Hydraulic system for hydraulic driving vessel for collecting floats on water surface - Google Patents
Hydraulic system for hydraulic driving vessel for collecting floats on water surface Download PDFInfo
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- CN1456820A CN1456820A CN 03129196 CN03129196A CN1456820A CN 1456820 A CN1456820 A CN 1456820A CN 03129196 CN03129196 CN 03129196 CN 03129196 A CN03129196 A CN 03129196A CN 1456820 A CN1456820 A CN 1456820A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000012530 fluid Substances 0.000 claims description 59
- 239000000945 filler Substances 0.000 claims description 29
- 239000002828 fuel tank Substances 0.000 claims description 3
- 241000169203 Eichhornia Species 0.000 abstract description 8
- 238000007667 floating Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
A hydraulic system of the hydraulically driven ship for removing the substances floating on water surface of composed of the hydraulic system for power source, the hydraulic motor in hydraulic system for propeller to drive the propeller, the hydraulic cylinder for lifting up or lowering down the supporter of salvage arm to put the salvage arm on water surface, the hydraulic cylinder of salvage arm for opening or closing the salvage arm, the hydraulic motor for driving the salvage band to collect the water hyacinth to conveying belt, the hydraulic motor for driving the conveying belt, and the hydraulic cylinder for squeezing the water hyacinth. Its advantages are high automation level and easy operation.
Description
Technical field
The present invention relates to be controlled to be with electric-hydraulic proportion the mechanical-electrical-hydraulic integration system of feature, is a kind of hydraulic system of fully hydraulic driven water surface.
Background technique
Dense waterway net region at home now, the water hyacinth that is had another name called " green evil spirit waterborne " by one of internationally recognized " ten big evil grass " overflows.This floating vegetation is bred in a large number in the waters, carries all before one, and advances unopposed, and they cover the water surface, blocks the river course, strangles the dissident, destroy ecology, arrived must improvement stage.For this reason, various places are organized wrecking crew one after another, and artificial the salvaging, but have high input, the intensity height, efficient is very low; The equipment of for this reason having sprouted automation replaces artificial idea.
Summary of the invention
The object of the present invention is to provide a kind of hydraulic system that adopts the fully hydraulic driven water surface of electric-hydraulic proportion control.
In order to achieve the above object, the technical solution used in the present invention is as follows, and it comprises:
1) power source hydraulic system: comprise two oil hydraulic pumps, two low-pressure filters, two electromagnetic relief valves and two high pressure filters; Linked to each other with the oil outlet of separately oil suction oil purifier respectively by the inlet port of diesel-driven first, second oil hydraulic pump, the filler opening of first, second oil suction oil purifier links to each other with fuel tank respectively; The oil outlet of first, second oil hydraulic pump is connected with the filler opening of first, second high pressure filter respectively, be connected with the filler opening of first, second electromagnet relief valve simultaneously, the oil outlet of first, second high pressure filter links to each other with each actuator's hydraulic system by the valve piece;
2) propulsion device hydraulic system: comprise two pressure compensators, two proportional reversing valves and two impeller driven oil hydraulic motors; The filler opening of first, second pressure compensator links to each other with the oil outlet of first high pressure filter, the oil outlet of first, second pressure compensator links to each other with the P hydraulic fluid port of first, second proportional reversing valve respectively, the A of first, second proportional reversing valve, B hydraulic fluid port link to each other with A, the B hydraulic fluid port of impeller driven oil hydraulic motor respectively, and the T hydraulic fluid port of first, second proportional reversing valve is connected with return line;
3) salvage arm and open and close hydraulic system: comprise that two two-way one-way throttle valves, two solenoid directional control valves and two salvaging arms open and close oil hydraulic cylinder; The P hydraulic fluid port of first, second solenoid directional control valve links to each other with the second high pressure filter oil outlet by the valve piece, the A of first, second solenoid directional control valve, B hydraulic fluid port link to each other with the import of first, second two-way one-way throttle valve respectively, and the oil outlet of first, second two-way one-way throttle valve links to each other with the rodless cavity hydraulic fluid port with the rod chamber of salvaging arm switching oil hydraulic cylinder respectively.The T hydraulic fluid port of first, second solenoid directional control valve is connected with return line;
4) drive the hydraulic system of salvaging band: comprise that two proportional flow control valves, two solenoid directional control valves and two salvaging bands drive oil hydraulic motor; The filler opening of first, second proportional flow control valve links to each other with the second high pressure filter oil outlet respectively by the valve piece, the oil outlet of first, second proportional flow control valve links to each other with the filler opening of the 3rd, the 4th solenoid directional control valve respectively, three, the A of the 4th solenoid directional control valve, B hydraulic fluid port are connected respectively to two and salvage A, the B hydraulic fluid port that band drives oil hydraulic motor, and the return opening of the 3rd, the 4th solenoid directional control valve is received on the return line;
5) salvage support lifting hydraulic system: comprise Pilot operated check valve, solenoid directional control valve and two oil hydraulic cylinders; The oil inlet P of the 5th solenoid directional control valve links to each other with the second high pressure filter oil outlet by the valve piece, the hydraulic fluid port A of the 5th solenoid directional control valve links to each other with the forward filler opening of hydraulically-controlled one-way valve, and the forward oil outlet and the 3rd of hydraulically-controlled one-way valve, the 4th oil hydraulic cylinder rodless cavity link to each other; The hydraulic fluid port B of the 5th solenoid directional control valve links to each other with the 3rd, the 4th oil hydraulic cylinder rod chamber respectively.The return opening of the 5th solenoid directional control valve is received on the return line;
6) conveyor belt drives hydraulic system: comprise two two-way one-way throttle valves, two solenoid directional control valves and two oil hydraulic motors, six, the P hydraulic fluid port of the 7th solenoid directional control valve links to each other with the second high pressure filter oil outlet by the valve piece, six, the A of the 7th solenoid directional control valve, B hydraulic fluid port link to each other with the filler opening of the 3rd, the 4th two-way one-way throttle valve respectively, three, the oil outlet of the 4th two-way one-way throttle valve links to each other with A, the B hydraulic fluid port of the oil hydraulic motor that drives conveyor belt respectively, and the T hydraulic fluid port of the 6th, the 7th solenoid directional control valve is connected with return line;
7) squeezed fluid pressing system: comprise two two-way Double throttle check valves, two hand-operated direction valves and two oil hydraulic cylinders; First, second hand-operated direction valve with the P hydraulic fluid port link to each other with the second high pressure filter oil outlet by the valve piece, the A of first, second hand-operated direction valve, B hydraulic fluid port link to each other with the filler opening of the 5th, the 6th two-way one-way throttle valve respectively, five, the oil outlet of the 6th one-way throttle valve links to each other with rodless cavity with the rod chamber of conveyor belt driving oil hydraulic cylinder respectively, and the T hydraulic fluid port of first, second hand-operated direction valve is connected with return line.
The present invention compares with background technique, and the useful effect that has is:
1, high working efficiency is contained in this device and floats clearly on the ship, and bow is provided with water surface salvaging mechanism, is furnished with a conveyor belt in the middle of the hull, and the water hyacinth that salvages is sent to squeezing unit, being discharged in the haul ship through handling then.Article one, what the fully hydraulic driven water surface can be equivalent to nearly 100 labours manually floats effect clearly;
2, adopt advanced electrohydraulic proportion technology, the automaticity height, easy to operate, and be not subjected to the influence of environment in load variations, and keep stable action, safe and reliable;
3, fully hydraulic driven water surface can be cleared up water surface water hyacinth, can clear up river (lake) face floating refuse again.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that the present invention is installed in the structural representation that floats ship clearly;
Fig. 3 is the plan view of Fig. 2.
Embodiment
As shown in Figure 1, the present invention includes:
1) power source hydraulic system: comprise 6.1,6.2 and two high pressure filters 7.1,7.2 of 1.1,1.2, two electromagnetic relief valves of 2.1,2.2, two low-pressure filters of two oil hydraulic pumps; Linked to each other with the outlet of separately oil suction oil purifier 1.1,1.2 respectively by the inlet port of diesel-driven first, second oil hydraulic pump 2.1,2.2, the filler opening of first, second oil suction oil purifier 1.1,1.2 links to each other with fuel tank respectively; The oil outlet of first, second oil hydraulic pump 2.1,2.2 is connected with 7.2 filler opening with first, second high pressure filter 7.1 respectively, be connected with the filler opening of first, second electromagnet relief valve 6.1,6.2 simultaneously, the oil outlet of first, second high pressure filter 7.1,7.2 links to each other with each actuator's hydraulic system by the valve piece;
2) propulsion device hydraulic system: comprise 8.1,8.2 and two impeller driven oil hydraulic motors 3.1,3.2 of 20.1,20.2, two proportional reversing valves of two pressure compensators; The filler opening of first, second pressure compensator 20.1,20.2 links to each other with the oil outlet of first high pressure filter 7.1, the oil outlet of first, second pressure compensator 20.1,20.2 links to each other with the P hydraulic fluid port of first, second proportional reversing valve 8.1,8.2 respectively, the A of first, second proportional reversing valve 8.1,8.2, B hydraulic fluid port link to each other with A, the B mouth of impeller driven oil hydraulic motor 3.1,3.2 respectively, and the T hydraulic fluid port of first, second proportional reversing valve is connected with return line;
3) salvage arm and open and close hydraulic system: comprise that 9.3,9.4 and two salvagings of 10.3,10.4, two solenoid directional control valves of two two-way one-way throttle valves arm opens and closes oil hydraulic cylinder 19.1,19.2; The P hydraulic fluid port of first, second solenoid directional control valve 9.3,9.4 links to each other with second high pressure filter, 7.2 oil outlets by the valve piece, the A of first, second solenoid directional control valve 9.3,9.4, B hydraulic fluid port link to each other with the filler opening of first, second two-way one-way throttle valve 10.3,10.4 respectively, the oil outlet of first, second two-way one-way throttle valve 10.3,10.4 links to each other with the hydraulic fluid port that does not have the bar general with the rod chamber of salvaging arm switching oil hydraulic cylinder 19.1,19.2 respectively, and the T hydraulic fluid port of first, second solenoid directional control valve is connected with return line;
4) drive the hydraulic system of salvaging band: comprise that 11.1,11.2 and two salvaging bands of 12.1,12.2, two solenoid directional control valves of two proportional flow control valves drive oil hydraulic motor 5.1,5.2; The filler opening of first, second proportional flow control valve 12.1,12.2 links to each other with second high pressure filter, 7.2 oil outlets respectively by the valve piece, the oil outlet of first, second proportional flow control valve 12.1,12.2 links to each other with the filler opening of the 3rd, the 4th solenoid directional control valve 11.1,11.2 respectively, three, the A of the 4th solenoid directional control valve 11.1,11.2, B hydraulic fluid port are connected respectively to two and salvage A, the B hydraulic fluid port that band drives oil hydraulic motor 5.1,5.2, and the return opening of the 3rd, the 4th solenoid directional control valve 11.1,11.2 is received on the return line;
5) salvage support lifting hydraulic system: comprise Pilot operated check valve 13, solenoid directional control valve 14 and two oil hydraulic cylinders 17.1,17.2; The oil inlet P of the 5th solenoid directional control valve 14 links to each other with second high pressure filter, 7.2 oil outlets by the valve piece, the hydraulic fluid port A of the 5th solenoid directional control valve 14 links to each other with the forward filler opening of hydraulically-controlled one-way valve 13, and the forward oil outlet and the 3rd of hydraulically-controlled one-way valve 13, the 4th oil hydraulic cylinder 17.1,17.2 rodless cavities link to each other; The hydraulic fluid port B of the 5th solenoid directional control valve 14 links to each other with the 3rd, the 4th oil hydraulic cylinder 17.1,17.2 rod chambers respectively.The return opening of the 5th solenoid directional control valve 14 is received on the return line;
6) conveyor belt drives hydraulic system: comprise 9.1,9.2 and two oil hydraulic motors 4.1,4.2 of 10.1,10.2, two solenoid directional control valves of two two-way one-way throttle valves; Six, the P hydraulic fluid port of the 7th solenoid directional control valve 9.1,9.2 links to each other with second high pressure filter, 7.2 oil outlets by the valve piece, six, the A of the 7th solenoid directional control valve (9.1,9.2), B hydraulic fluid port link to each other with the filler opening of the 3rd, the 4th two-way one-way throttle valve 10.1,10.2 respectively, three, the oil outlet of the 4th two-way one-way throttle valve 10.1,10.2 links to each other with A, the B hydraulic fluid port of the oil hydraulic motor 4.1,4.2 that drives conveyor belt respectively, and the T hydraulic fluid port of the 6th, the 7th solenoid directional control valve 9.1,9.2 is connected with return line;
7) squeezed fluid pressing system: comprise 15.1,15.2 and two oil hydraulic cylinders 18.1,18.2 of 16.1,16.2, two hand-operated direction valves of two two-way Double throttle check valves; First, second hand-operated direction valve 15.1 links to each other with second high pressure filter, 7.2 oil outlets by the valve piece with 15.2 P hydraulic fluid port, the A of first, second hand-operated direction valve 15.1,15.2, B hydraulic fluid port link to each other with the filler opening of the 5th, the 6th two-way one-way throttle valve 16.1,16.2 respectively, five, the oil outlet of the 6th one-way throttle valve 16.1,16.2 drives oil hydraulic cylinder 18.1 with conveyor belt respectively and links to each other with rodless cavity with 18.2 rod chamber, and the T hydraulic fluid port of first, second hand-operated direction valve 15.1,15.2 is connected with return line.
As Fig. 2, shown in Figure 3, propeller cavitation is driven by oil hydraulic motor 3.1,3.2, salvage the support lifting by oil hydraulic cylinder 17.1,17.2 controls, the salvaging arm is opened and is closed oil hydraulic cylinder 19.1,19.2 controls, salvaging band is driven by oil hydraulic motor 5.1,5.2, conveyor belt is driven by oil hydraulic motor 4.1,4.2, and the extruding action is finished by oil hydraulic cylinder 18.1,18.2.
Below in conjunction with Fig. 1, Fig. 2, shown in Figure 3, the concrete action of each system is illustrated:
Propulsion system: the pressure oil of pumping plant is guided to A, the B chamber of oil hydraulic motor 3.1,3.2 by pressure compensator 20.1,20.2, proportional reversing valve 8.1,8.2, in order to drive propeller cavitation, make and float ship clearly and sail on the water (advance, retreat, turn), to float operation clearly; Adopt electro-hydraulic proportional valve that the oil hydraulic motor rotating speed is controlled; Electro-hydraulic proportional valve adopts pressure compensation, makes the rotating speed of oil hydraulic motor not be subjected to the influence of load variations, reaches accurate step-less adjustment.
Salvage the support elevating system: the pressure oil of pumping plant is guided to A, the B chamber of salvaging support lifting hydraulic cylinder 17.1,17.2 by Pilot operated check valve 13, solenoid directional control valve 14, will salvage arm and be placed on the water surface and remain on correct position.After fishing is finished, will salvage arm and rise, be convenient to float clearly the ship fast running;
Salvage arm and open closed system: the pressure oil of pumping plant is guided to by one-way throttle valve 10.3 and 10.4, solenoid directional control valve 9.3 and 9.4 and is salvaged A, the B chamber that arm opens oil hydraulic cylinder 19.1,19.2, will salvage the suitable angle of arm flare up.After fishing is finished, will salvage arm and be brought together into the hull axial direction;
Salvage the band drive system: the pressure oil passing ratio series flow control valve 12.1,12.2 of pumping plant, solenoid directional control valve 11.1,11.2 are guided to and are salvaged A, the B chamber that band drives oil hydraulic motor 5.1,5.2, and water hyacinth is collected the conveyor belt head;
Belt system:: the pressure oil of pumping plant is guided to A, the B chamber that conveyor belt drives oil hydraulic motor 4.1,4.2 by Double throttle check valve 10.1,10.2, solenoid directional control valve 9.1,9.2, and the water hyacinth of salvaging the arm gathering is sent to extrusion cabin from the water surface;
Extrusion system: the pressure oil of pumping plant is guided to A, the B chamber of squeezed fluid cylinder pressure 18.1,18.2 by Double throttle check valve 16.1,16.2, hand-operated direction valve 15.1,15.2, after the water hyacinth that sends is pushed, delivers to cargo ship by conveyor belt again and transports;
After operation is finished,, will salvage arm by salvaging support lifting hydraulic cylinder and be raised to the extreme higher position, be convenient to float clearly the ship fast running from the water surface by after salvaging arm and opening oil hydraulic cylinder and will salvage arm and move the hull axial direction to.
Claims (1)
1. the hydraulic system of a fully hydraulic driven water surface is characterized in that it comprises:
1) power source hydraulic system: comprise two oil hydraulic pumps (2.1,2.2), two low-pressure filters (1.1,1.2), two electromagnetic relief valves (6.1,6.2) and two high pressure filters (7.1,7.2); Linked to each other with the oil outlet of separately oil suction oil purifier (1.1,1.2) respectively by the inlet port of diesel-driven first, second oil hydraulic pump (2.1,2.2), the filler opening of first, second oil suction oil purifier (1.1,1.2) links to each other with fuel tank respectively; The oil outlet of first, second oil hydraulic pump (2.1,2.2) is connected with the filler opening of first, second high pressure filter (7.1 and 7.2) respectively, be connected with the filler opening of first, second electromagnet relief valve (6.1,6.2) simultaneously, the oil outlet of first, second high pressure filter (7.1,7.2) links to each other with each actuator's hydraulic system by the valve piece;
2) propulsion device hydraulic system: comprise two pressure compensators (20.1,20.2), two proportional reversing valves (8.1,8.2) and two impeller driven oil hydraulic motors (3.1,3.2); The filler opening of first, second pressure compensator (20.1,20.2) links to each other with the oil outlet of first high pressure filter (7.1), the oil outlet of first, second pressure compensator (20.1,20.2) links to each other with the P hydraulic fluid port of first, second proportional reversing valve (8.1,8.2) respectively, the A of first, second proportional reversing valve (8.1,8.2), B hydraulic fluid port link to each other with A, the B hydraulic fluid port of impeller driven oil hydraulic motor (3.1,3.2) respectively, and the T hydraulic fluid port of first, second proportional reversing valve is connected with return line;
3) salvage arm and open and close hydraulic system: comprise that two two-way one-way throttle valves (10.3,10.4), two solenoid directional control valves (9.3,9.4) and two salvaging arms open and close oil hydraulic cylinder (19.1,19.2); The P hydraulic fluid port of first, second solenoid directional control valve (9.3,9.4) links to each other with second high pressure filter (7.2) oil outlet by the valve piece, the A of first, second solenoid directional control valve (9.3,9.4), B hydraulic fluid port link to each other with the filler opening of first, second two-way one-way throttle valve (10.3,10.4) respectively, the oil outlet of first, second two-way one-way throttle valve (10.3,10.4) links to each other with the rodless cavity hydraulic fluid port with the rod chamber of salvaging arm switching oil hydraulic cylinder (19.1,19.2) respectively, and the T hydraulic fluid port of first, second solenoid directional control valve is connected with return line;
4) drive the hydraulic system of salvaging band: comprise that two proportional flow control valves (12.1,12.2), two solenoid directional control valves (11.1,11.2) and two salvaging bands drive oil hydraulic motor (5.1,5.2); The filler opening of first, second proportional flow control valve (12.1,12.2) links to each other with second high pressure filter (7.2) oil outlet respectively by the valve piece, the oil outlet of first, second proportional flow control valve (12.1,12.2) links to each other with the filler opening of the 3rd, the 4th solenoid directional control valve (11.1,11.2) respectively, three, A, the B hydraulic fluid port of the 4th solenoid directional control valve (11.1,11.2) are connected respectively to two and salvage A, the B hydraulic fluid port that band drives oil hydraulic motor (5.1,5.2), and the return opening of the 3rd, the 4th solenoid directional control valve (11.1,11.2) is received on the return line;
5) salvage support lifting hydraulic system: comprise Pilot operated check valve (13), solenoid directional control valve (14) and two oil hydraulic cylinders (17.1,17.2); The oil inlet P of the 5th solenoid directional control valve (14) links to each other with second high pressure filter (7.2) oil outlet by the valve piece, the hydraulic fluid port A of the 5th solenoid directional control valve (14) links to each other with the forward filler opening of hydraulically-controlled one-way valve (13), and the forward oil outlet and the 3rd of hydraulically-controlled one-way valve (13), the 4th oil hydraulic cylinder (17.1,17.2) rodless cavity link to each other; The hydraulic fluid port B of the 5th solenoid directional control valve (14) links to each other with the 3rd, the 4th oil hydraulic cylinder (17.1,17.2) rod chamber respectively.The return opening of the 5th solenoid directional control valve (14) is received on the return line;
6) conveyor belt drives hydraulic system: comprise two two-way one-way throttle valves (10.1,10.2), two solenoid directional control valves (9.1,9.2) and two oil hydraulic motors (4.1,4.2); Six, the hydraulic fluid port P of the 7th solenoid directional control valve (9.1,9.2) links to each other with second high pressure filter (7.2) oil outlet by the valve piece, six, the A of the 7th solenoid directional control valve (9.1,9.2), B hydraulic fluid port link to each other with the filler opening of the 3rd, the 4th two-way one-way throttle valve (10.1,10.2) respectively, three, the oil outlet of the 4th two-way one-way throttle valve (10.1,10.2) connects with A, the B mouth oil phase of the oil hydraulic motor (4.1,4.2) that drives conveyor belt respectively, and the T hydraulic fluid port of the 6th, the 7th solenoid directional control valve (9.1,9.2) is connected with return line;
7) squeezed fluid pressing system: comprise two two-way Double throttle check valves (16.1,16.2), two hand-operated direction valves (15.1,15.2) and two oil hydraulic cylinders (18.1,18.2); The hydraulic fluid port P of first, second hand-operated direction valve (15.1 and 15.2) links to each other with second high pressure filter (7.2) oil outlet by the valve piece, the A of first, second hand-operated direction valve (15.1,15.2), B hydraulic fluid port link to each other with the filler opening of the 5th, the 6th two-way one-way throttle valve (16.1,16.2) respectively, five, the oil outlet of the 6th one-way throttle valve (16.1,16.2) links to each other with rodless cavity with the rod chamber of conveyor belt driving oil hydraulic cylinder (18.1 and 18.2) respectively, and the T hydraulic fluid port of first, second hand-operated direction valve (15.1,15.2) is connected with return line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031291961A CN1190600C (en) | 2003-06-07 | 2003-06-07 | Hydraulic system for hydraulic driving vessel for collecting floats on water surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031291961A CN1190600C (en) | 2003-06-07 | 2003-06-07 | Hydraulic system for hydraulic driving vessel for collecting floats on water surface |
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| Publication Number | Publication Date |
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| CN1456820A true CN1456820A (en) | 2003-11-19 |
| CN1190600C CN1190600C (en) | 2005-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031291961A Expired - Fee Related CN1190600C (en) | 2003-06-07 | 2003-06-07 | Hydraulic system for hydraulic driving vessel for collecting floats on water surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884586A (en) * | 2014-03-24 | 2014-06-25 | 上海交通大学 | Electro-hydraulic loading system of film biaxial tensile testing machine |
| CN113236614A (en) * | 2021-03-31 | 2021-08-10 | 北部湾大学 | Automatic ditching control device for transverse sugarcane planting and control method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762882B (en) * | 2016-12-21 | 2018-05-08 | 浙江大学 | The electro-hydraulic drive system of development machine cutterhead double mode |
-
2003
- 2003-06-07 CN CNB031291961A patent/CN1190600C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884586A (en) * | 2014-03-24 | 2014-06-25 | 上海交通大学 | Electro-hydraulic loading system of film biaxial tensile testing machine |
| CN113236614A (en) * | 2021-03-31 | 2021-08-10 | 北部湾大学 | Automatic ditching control device for transverse sugarcane planting and control method thereof |
| CN113236614B (en) * | 2021-03-31 | 2024-05-14 | 北部湾大学 | Automatic ditching control device for transverse planting of sugarcane and control method thereof |
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| CN1190600C (en) | 2005-02-23 |
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