CN204299996U - All-hydraulic power-driven system - Google Patents
All-hydraulic power-driven system Download PDFInfo
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- CN204299996U CN204299996U CN201420765426.1U CN201420765426U CN204299996U CN 204299996 U CN204299996 U CN 204299996U CN 201420765426 U CN201420765426 U CN 201420765426U CN 204299996 U CN204299996 U CN 204299996U
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Abstract
The utility model discloses all-hydraulic power-driven system, relate to technical field of hydraulic pressure.Comprise gear pump, reversal valve, flow divider, combiner valve and overflow valve etc., couple together with special relation.Gear pump drives the workpiece such as slush pump, slurry conveying machine, cutting machine, tubing pump that dredging vehicle is equipped with to carry out work by all-hydraulic power-driven system, reduces noise; Because the operating mode of dredging vehicle is comparatively severe, easily there is the danger such as electric leakage electric shock with motor, have gear pump to substitute generation that motor it also avoid electric shock accidents.
Description
Technical field
The utility model relates to technical field of hydraulic pressure, especially a kind of all-hydraulic power-driven system.
Background technology
On the dredging vehicle of Urban Underground sewage conduct, in order to complete dredging operation, the workpieces such as slush pump, slurry conveying machine, cutting machine, tubing pump, tube rolling device car are equipped with, in order to drive the action of these workpieces, prior art is equipped with an assistant engine onboard, drive a high-rating generator, utilize generator to complete the action of above workpiece.There is high noisy, high-risk and work by voltage de-stabilising effect.Applicant is by replacing assistant engine and high-rating generator, to overcome appeal defect with gear pump.But the hydraulic system do not had in prior art by the workpiece such as slush pump, slurry conveying machine, cutting machine, tubing pump that gear pump driven dredging vehicle is equipped with.
Summary of the invention
The purpose of this utility model be to propose a kind of can by the hydraulic system of the workpiece such as slush pump, slurry conveying machine, cutting machine, tubing pump that gear pump driven dredging vehicle is equipped with.
For achieving the above object, following technical scheme is provided:
All-hydraulic power-driven system, comprise the first gear pump, the oil-in of described first gear pump is connected by the oil-out of oil circuit with the first filter, the oil-in of the first filter is connected with fuel tank by oil circuit, the oil-out of the first gear pump is connected by the oil-in of oil circuit with the first check valve, the oil-out of the first check valve is connected by the P mouth of oil circuit with the first 3-position 4-way pneumatic control hydraulic reversing valve, the A mouth of the first 3-position 4-way pneumatic control hydraulic reversing valve is connected with the A mouth of the first one-way speed-regulating valve by oil circuit, the B mouth of the first one-way speed-regulating valve is connected with a pressure oil delivery end of the first two-way hydraulic motor by oil circuit, another pressure oil delivery end of first two-way hydraulic motor is connected with the A mouth of the second one-way speed-regulating valve by oil circuit, the B mouth of the second one-way speed-regulating valve is connected by the B mouth of oil circuit with the first 3-position 4-way pneumatic control hydraulic reversing valve, the T mouth of the first 3-position 4-way pneumatic control hydraulic reversing valve is connected with fuel tank by oil circuit, the oil-in of the first overflow valve is connected by the oil-out of oil circuit with the first check valve, the oil-out of the first overflow valve is connected with fuel tank by oil circuit, first Pressure gauge is connected by the oil-out of oil circuit with the first check valve, the clutch end of the first two-way hydraulic motor is connected with the power intake of belt feeder, the clutch end of belt feeder is connected with the power intake of centrifuge, the oil-in of the second gear pump is connected by the oil-out of oil circuit with the second filter, the oil-in of the second filter is connected with fuel tank by oil circuit, the oil-out of the second gear pump is connected by the oil-in of oil circuit with the second check valve, the oil-out of the second check valve is connected by the P mouth of oil circuit with the second 3-position 4-way pneumatic control hydraulic reversing valve, the A mouth of the second 3-position 4-way pneumatic control hydraulic reversing valve is connected with the P mouth of the first combiner valve by oil circuit, the A mouth of the first combiner valve is connected with the pressure oil input of the first hydraulic motor by oil circuit, the pressure oil output of the first hydraulic motor is connected with fuel tank by oil circuit, the power intake of the first hydraulic motor is connected with the power intake of the first tubing pump, the B mouth of the first combiner valve is connected with the pressure oil input of the second hydraulic motor by oil circuit, the pressure oil output of the second hydraulic motor is connected with fuel tank by oil circuit, the power intake of the second hydraulic motor is connected with the power intake of second pipe pump, the B mouth of the second 3-position 4-way pneumatic control hydraulic reversing valve is connected by the pressure oil input of oil circuit with the 3rd hydraulic motor, the pressure oil output of the 3rd hydraulic motor is connected with fuel tank by oil circuit, the clutch end of the 3rd hydraulic motor is connected with the power intake of generator, the T mouth of the second 3-position 4-way pneumatic control hydraulic reversing valve is connected with fuel tank by oil circuit, the oil-in of the second overflow valve is connected by the oil-out of oil circuit with the second check valve, the oil-out of the second overflow valve is connected with fuel tank by oil circuit, second Pressure gauge is connected by the oil-out of oil circuit with the second check valve, the oil-in of Three gear pump is connected by the oil-out of oil circuit with the 3rd filter, the oil-in of the 3rd filter is connected with fuel tank by oil circuit, the oil-out of Three gear pump is connected by the oil-in of oil circuit with the 3rd check valve, the oil-out of the 3rd check valve is connected by the P mouth of oil circuit with the 3rd 3-position 4-way pneumatic control hydraulic reversing valve, the A mouth of the 3rd 3-position 4-way pneumatic control hydraulic reversing valve is connected with the P mouth of the second combiner valve by oil circuit, the A mouth of the second combiner valve is connected with a pressure oil delivery end of the second two-way hydraulic motor by oil circuit, another pressure oil delivery end of second two-way hydraulic motor is connected by the B mouth of oil circuit with the 3rd 3-position 4-way pneumatic control hydraulic reversing valve, the clutch end of the second two-way hydraulic motor is connected with the power intake of slush pump, the T mouth of the 3rd 3-position 4-way pneumatic control hydraulic reversing valve is connected with fuel tank by oil circuit, the B mouth of the second combiner valve is connected with a pressure oil delivery end of the 3rd two-way hydraulic motor by oil circuit, another pressure oil delivery end of 3rd two-way hydraulic motor is connected by the B mouth of oil circuit with the 3rd 3-position 4-way pneumatic control hydraulic reversing valve, the clutch end of the 3rd two-way hydraulic motor is connected with the power intake of cutting machine, the oil-in of the 3rd overflow valve is connected by the oil-out of oil circuit with the 3rd check valve, the oil-out of the 3rd overflow valve is connected with fuel tank by oil circuit, 3rd Pressure gauge is connected by the oil-out of oil circuit with the 3rd check valve, the oil-in of the 4th gear pump is connected by the oil-out of oil circuit with the 4th filter, the oil-in of the 4th filter is connected with fuel tank by oil circuit, the oil-out of the 4th gear pump is connected by the oil-in of oil circuit with the 4th check valve, the oil-out of the 4th check valve is connected by the P mouth of oil circuit with the 4th 3-position 4-way pneumatic control hydraulic reversing valve, the A mouth of the 4th 3-position 4-way pneumatic control hydraulic reversing valve is connected by the pressure oil input of oil circuit with the 4th hydraulic motor, the pressure oil output of the 4th hydraulic motor is connected with fuel tank by oil circuit, the power intake of the 4th hydraulic motor is connected with the power intake of the first defeated dredge pump, the B mouth of the 4th 3-position 4-way pneumatic control hydraulic reversing valve is connected by the pressure oil input of oil circuit with the 5th hydraulic motor, the pressure oil output of the 5th hydraulic motor is connected with fuel tank by oil circuit, the power intake of the 5th hydraulic motor is connected with the power intake of the second defeated dredge pump, the oil-in of the 4th overflow valve is connected by the oil-out of oil circuit with the 4th check valve, the oil-out of the 4th overflow valve is connected with fuel tank by oil circuit, 4th Pressure gauge is connected by the oil-out of oil circuit with the 4th check valve, the switch operation of the first 3-position 4-way pneumatic control hydraulic reversing valve, the second 3-position 4-way pneumatic control hydraulic reversing valve, the 3rd 3-position 4-way pneumatic control hydraulic reversing valve and the 4th 3-position 4-way pneumatic control hydraulic reversing valve is controlled by solenoid directional control valve, and the power of the first gear pump, the second gear pump, Three gear pump and the 4th gear pump is provided by Full-power takeoff by the engine of dredging vehicle.
Further, also comprise oil return cleaner, described oil return cleaner is arranged on the oil circuit that the first overflow valve, the second overflow valve, the 3rd overflow valve and the 4th overflow valve be connected with fuel tank.
The beneficial effects of the utility model are:
Gear pump drives the workpiece such as slush pump, slurry conveying machine, cutting machine, tubing pump that dredging vehicle is equipped with to carry out work by all-hydraulic power-driven system, reduces noise; Because the operating mode of dredging vehicle is comparatively severe, easily there is the danger such as electric leakage electric shock with motor, have gear pump to substitute generation that motor it also avoid electric shock accidents.
Accompanying drawing explanation
Fig. 1 is the all-hydraulic power-driven system figure of the utility model;
Wherein: 1, fuel tank, 2, first filter, 3, first gear pump, 4, first check valve, 5, first 3-position 4-way pneumatic control hydraulic reversing valve, 6, first one-way speed-regulating valve, 7, first two-way hydraulic motor, 8, second one-way speed-regulating valve, 9, first overflow valve, 10, belt feeder, 11, centrifuge, 12, first Pressure gauge, 13, second filter, 14, second gear pump, 15, second check valve, 16, second 3-position 4-way pneumatic control hydraulic reversing valve, 17, first combiner valve, 18, first hydraulic motor, 19, first tubing pump, 20, second hydraulic motor, 21, second pipe pump, 22, 3rd hydraulic motor, 23, generator, 24, second overflow valve, 25, second Pressure gauge, 26, 3rd filter, 27, Three gear pump, 28, 3rd check valve, 29, 3rd 3-position 4-way pneumatic control hydraulic reversing valve, 30, second combiner valve, 31, second two-way hydraulic motor, 32, slush pump, 33, 3rd two-way hydraulic motor, 34, cutting machine, 35, 3rd overflow valve, 36, 3rd Pressure gauge, 37, 4th filter, 38, 4th gear pump, 39, 4th check valve, 40, 4th 3-position 4-way pneumatic control hydraulic reversing valve, 41, 4th hydraulic motor, 42, first slurry conveying machine, 43, 5th hydraulic motor, 44, second slurry conveying machine, 45, 4th overflow valve, 46, 4th Pressure gauge, 47, oil return cleaner.
Detailed description of the invention
Below in conjunction with accompanying drawing, a most preferred embodiment of the present utility model is described further, to help understanding content of the present utility model.
As shown in Figure 1, the utility model comprises the first gear pump 3, the oil-in of described first gear pump 3 is connected by the oil-out of oil circuit with the first filter 2, the oil-in of the first filter 2 is connected with fuel tank 1 by oil circuit, the oil-out of the first gear pump 3 is connected by the oil-in of oil circuit with the first check valve 4, the oil-out of the first check valve 4 is connected by the P mouth of oil circuit with the first 3-position 4-way pneumatic control hydraulic reversing valve 5, the A mouth of the first 3-position 4-way pneumatic control hydraulic reversing valve 5 is connected by the A mouth of oil circuit with the first one-way speed-regulating valve 6, the B mouth of the first one-way speed-regulating valve 6 is connected with a pressure oil delivery end of the first two-way hydraulic motor 7 by oil circuit, another pressure oil delivery end of first two-way hydraulic motor 7 is connected by the A mouth of oil circuit with the second one-way speed-regulating valve 8, the B mouth of the second one-way speed-regulating valve 8 is connected by the B mouth of oil circuit with the first 3-position 4-way pneumatic control hydraulic reversing valve 5, the T mouth of the first 3-position 4-way pneumatic control hydraulic reversing valve 5 is connected with fuel tank 1 by oil circuit, the oil-in of the first overflow valve 9 is connected by the oil-out of oil circuit with the first check valve 4, the oil-out of the first overflow valve 9 is connected with fuel tank 1 by oil circuit, first Pressure gauge 12 is connected by the oil-out of oil circuit with the first check valve 4, the clutch end of the first two-way hydraulic motor 7 is connected with the power intake of belt feeder 10, the clutch end of belt feeder 10 is connected with the power intake of centrifuge 11, the oil-in of the second gear pump 14 is connected by the oil-out of oil circuit with the second filter 13, the oil-in of the second filter 13 is connected with fuel tank 1 by oil circuit, the oil-out of the second gear pump 14 is connected by the oil-in of oil circuit with the second check valve 15, the oil-out of the second check valve 15 is connected by the P mouth of oil circuit with the second 3-position 4-way pneumatic control hydraulic reversing valve 16, the A mouth of the second 3-position 4-way pneumatic control hydraulic reversing valve 16 is connected by the P mouth of oil circuit with the first combiner valve 17, the A mouth of the first combiner valve 17 is connected by the pressure oil input of oil circuit with the first hydraulic motor 18, the pressure oil output of the first hydraulic motor 18 is connected with fuel tank 1 by oil circuit, the power intake of the first hydraulic motor 18 is connected with the power intake of the first tubing pump 19, the B mouth of the first combiner valve 17 is connected by the pressure oil input of oil circuit with the second hydraulic motor 20, the pressure oil output of the second hydraulic motor 20 is connected with fuel tank 1 by oil circuit, the power intake of the second hydraulic motor 20 is connected with the power intake of second pipe pump 21, the B mouth of the second 3-position 4-way pneumatic control hydraulic reversing valve 16 is connected by the pressure oil input of oil circuit with the 3rd hydraulic motor 22, the pressure oil output of the 3rd hydraulic motor 22 is connected with fuel tank 1 by oil circuit, the clutch end of the 3rd hydraulic motor 22 is connected with the power intake of generator 23, the T mouth of the second 3-position 4-way pneumatic control hydraulic reversing valve 16 is connected with fuel tank 1 by oil circuit, the oil-in of the second overflow valve 24 is connected by the oil-out of oil circuit with the second check valve 15, the oil-out of the second overflow valve 24 is connected with fuel tank 1 by oil circuit, second Pressure gauge 25 is connected by the oil-out of oil circuit with the second check valve 15, the oil-in of Three gear pump 27 is connected by the oil-out of oil circuit with the 3rd filter 26, the oil-in of the 3rd filter 26 is connected with fuel tank 1 by oil circuit, the oil-out of Three gear pump 27 is connected by the oil-in of oil circuit with the 3rd check valve 28, the oil-out of the 3rd check valve 28 is connected by the P mouth of oil circuit with the 3rd 3-position 4-way pneumatic control hydraulic reversing valve 29, the A mouth of the 3rd 3-position 4-way pneumatic control hydraulic reversing valve 29 is connected by the P mouth of oil circuit with the second combiner valve 30, the A mouth of the second combiner valve 30 is connected with a pressure oil delivery end of the second two-way hydraulic motor 31 by oil circuit, another pressure oil delivery end of second two-way hydraulic motor 31 is connected by the B mouth of oil circuit with the 3rd 3-position 4-way pneumatic control hydraulic reversing valve 29, the clutch end of the second two-way hydraulic motor 31 is connected with the power intake of slush pump 32, the T mouth of the 3rd 3-position 4-way pneumatic control hydraulic reversing valve 29 is connected with fuel tank 1 by oil circuit, the B mouth of the second combiner valve 30 is connected with a pressure oil delivery end of the 3rd two-way hydraulic motor 33 by oil circuit, another pressure oil delivery end of 3rd two-way hydraulic motor 33 is connected by the B mouth of oil circuit with the 3rd 3-position 4-way pneumatic control hydraulic reversing valve 29, the clutch end of the 3rd two-way hydraulic motor 33 is connected with the power intake of cutting machine 34, the oil-in of the 3rd overflow valve 35 is connected by the oil-out of oil circuit with the 3rd check valve 28, the oil-out of the 3rd overflow valve 35 is connected with fuel tank 1 by oil circuit, 3rd Pressure gauge 36 is connected by the oil-out of oil circuit with the 3rd check valve 28, the oil-in of the 4th gear pump 38 is connected by the oil-out of oil circuit with the 4th filter 37, the oil-in of the 4th filter 37 is connected with fuel tank 1 by oil circuit, the oil-out of the 4th gear pump 38 is connected by the oil-in of oil circuit with the 4th check valve 39, the oil-out of the 4th check valve 39 is connected by the P mouth of oil circuit with the 4th 3-position 4-way pneumatic control hydraulic reversing valve 40, the A mouth of the 4th 3-position 4-way pneumatic control hydraulic reversing valve 40 is connected by the pressure oil input of oil circuit with the 4th hydraulic motor 41, the pressure oil output of the 4th hydraulic motor 41 is connected with fuel tank 1 by oil circuit, the power intake of the 4th hydraulic motor 41 is connected with the power intake of the first defeated dredge pump 42, the B mouth of the 4th 3-position 4-way pneumatic control hydraulic reversing valve 40 is connected by the pressure oil input of oil circuit with the 5th hydraulic motor 43, the pressure oil output of the 5th hydraulic motor 43 is connected with fuel tank 1 by oil circuit, the power intake of the 5th hydraulic motor 43 is connected with the power intake of the second defeated dredge pump 44, the oil-in of the 4th overflow valve 45 is connected by the oil-out of oil circuit with the 4th check valve 39, the oil-out of the 4th overflow valve 45 is connected with fuel tank 1 by oil circuit, 4th Pressure gauge 46 is connected by the oil-out of oil circuit with the 4th check valve 39, the switch operation of the first 3-position 4-way pneumatic control hydraulic reversing valve 5, second 3-position 4-way pneumatic control hydraulic reversing valve 16, the 3rd 3-position 4-way pneumatic control hydraulic reversing valve 29 and the 4th 3-position 4-way pneumatic control hydraulic reversing valve 40 is controlled by solenoid directional control valve, and the power of the first gear pump 3, second gear pump 14, Three gear pump 27 and the 4th gear pump 38 is provided by Full-power takeoff by the engine of dredging vehicle.The oil circuit that first overflow valve 9, second overflow valve 24, the 3rd overflow valve 35 and the 4th overflow valve 45 are connected with fuel tank 1 arranges oil return cleaner 47.
Claims (2)
1. all-hydraulic power-driven system, its spy is being: comprise the first gear pump (3), the oil-in of described first gear pump (3) is connected by the oil-out of oil circuit with the first filter (2), the oil-in of the first filter (2) is connected with fuel tank (1) by oil circuit, the oil-out of the first gear pump (3) is connected by the oil-in of oil circuit with the first check valve (4), the oil-out of the first check valve (4) is connected by the P mouth of oil circuit with the first 3-position 4-way pneumatic control hydraulic reversing valve (5), the A mouth of the first 3-position 4-way pneumatic control hydraulic reversing valve (5) is connected by the A mouth of oil circuit with the first one-way speed-regulating valve (6), the B mouth of the first one-way speed-regulating valve (6) is connected with a pressure oil delivery end of the first two-way hydraulic motor (7) by oil circuit, another pressure oil delivery end of first two-way hydraulic motor (7) is connected by the A mouth of oil circuit with the second one-way speed-regulating valve (8), the B mouth of the second one-way speed-regulating valve (8) is connected by the B mouth of oil circuit with the first 3-position 4-way pneumatic control hydraulic reversing valve (5), the T mouth of the first 3-position 4-way pneumatic control hydraulic reversing valve (5) is connected with fuel tank (1) by oil circuit, the oil-in of the first overflow valve (9) is connected by the oil-out of oil circuit with the first check valve (4), the oil-out of the first overflow valve (9) is connected with fuel tank (1) by oil circuit, first Pressure gauge (12) is connected by the oil-out of oil circuit with the first check valve (4), the clutch end of the first two-way hydraulic motor (7) is connected with the power intake of belt feeder (10), the clutch end of belt feeder (10) is connected with the power intake of centrifuge (11), the oil-in of the second gear pump (14) is connected by the oil-out of oil circuit with the second filter (13), the oil-in of the second filter (13) is connected with fuel tank (1) by oil circuit, the oil-out of the second gear pump (14) is connected by the oil-in of oil circuit with the second check valve (15), the oil-out of the second check valve (15) is connected by the P mouth of oil circuit with the second 3-position 4-way pneumatic control hydraulic reversing valve (16), the A mouth of the second 3-position 4-way pneumatic control hydraulic reversing valve (16) is connected by the P mouth of oil circuit with the first combiner valve (17), the A mouth of the first combiner valve (17) is connected by the pressure oil input of oil circuit with the first hydraulic motor (18), the pressure oil output of the first hydraulic motor (18) is connected with fuel tank (1) by oil circuit, the power intake of the first hydraulic motor (18) is connected with the power intake of the first tubing pump (19), the B mouth of the first combiner valve (17) is connected by the pressure oil input of oil circuit with the second hydraulic motor (20), the pressure oil output of the second hydraulic motor (20) is connected with fuel tank (1) by oil circuit, the power intake of the second hydraulic motor (20) is connected with the power intake of second pipe pump (21), the B mouth of the second 3-position 4-way pneumatic control hydraulic reversing valve (16) is connected by the pressure oil input of oil circuit with the 3rd hydraulic motor (22), the pressure oil output of the 3rd hydraulic motor (22) is connected with fuel tank (1) by oil circuit, the clutch end of the 3rd hydraulic motor (22) is connected with the power intake of generator (23), the T mouth of the second 3-position 4-way pneumatic control hydraulic reversing valve (16) is connected with fuel tank (1) by oil circuit, the oil-in of the second overflow valve (24) is connected by the oil-out of oil circuit with the second check valve (15), the oil-out of the second overflow valve (24) is connected with fuel tank (1) by oil circuit, second Pressure gauge (25) is connected by the oil-out of oil circuit with the second check valve (15), the oil-in of Three gear pump (27) is connected by the oil-out of oil circuit with the 3rd filter (26), the oil-in of the 3rd filter (26) is connected with fuel tank (1) by oil circuit, the oil-out of Three gear pump (27) is connected by the oil-in of oil circuit with the 3rd check valve (28), the oil-out of the 3rd check valve (28) is connected by the P mouth of oil circuit with the 3rd 3-position 4-way pneumatic control hydraulic reversing valve (29), the A mouth of the 3rd 3-position 4-way pneumatic control hydraulic reversing valve (29) is connected by the P mouth of oil circuit with the second combiner valve (30), the A mouth of the second combiner valve (30) is connected with a pressure oil delivery end of the second two-way hydraulic motor (31) by oil circuit, another pressure oil delivery end of second two-way hydraulic motor (31) is connected by the B mouth of oil circuit with the 3rd 3-position 4-way pneumatic control hydraulic reversing valve (29), the clutch end of the second two-way hydraulic motor (31) is connected with the power intake of slush pump (32), the T mouth of the 3rd 3-position 4-way pneumatic control hydraulic reversing valve (29) is connected with fuel tank (1) by oil circuit, the B mouth of the second combiner valve (30) is connected by the pressure oil delivery end of oil circuit with the 3rd two-way hydraulic motor (33), another pressure oil delivery end of 3rd two-way hydraulic motor (33) is connected by the B mouth of oil circuit with the 3rd 3-position 4-way pneumatic control hydraulic reversing valve (29), the clutch end of the 3rd two-way hydraulic motor (33) is connected with the power intake of cutting machine (34), the oil-in of the 3rd overflow valve (35) is connected by the oil-out of oil circuit with the 3rd check valve (28), the oil-out of the 3rd overflow valve (35) is connected with fuel tank (1) by oil circuit, 3rd Pressure gauge (36) is connected by the oil-out of oil circuit with the 3rd check valve (28), the oil-in of the 4th gear pump (38) is connected by the oil-out of oil circuit with the 4th filter (37), the oil-in of the 4th filter (37) is connected with fuel tank (1) by oil circuit, the oil-out of the 4th gear pump (38) is connected by the oil-in of oil circuit with the 4th check valve (39), the oil-out of the 4th check valve (39) is connected by the P mouth of oil circuit with the 4th 3-position 4-way pneumatic control hydraulic reversing valve (40), the A mouth of the 4th 3-position 4-way pneumatic control hydraulic reversing valve (40) is connected by the pressure oil input of oil circuit with the 4th hydraulic motor (41), the pressure oil output of the 4th hydraulic motor (41) is connected with fuel tank (1) by oil circuit, the power intake of the 4th hydraulic motor (41) is connected with the power intake of the first defeated dredge pump (42), the B mouth of the 4th 3-position 4-way pneumatic control hydraulic reversing valve (40) is connected by the pressure oil input of oil circuit with the 5th hydraulic motor (43), the pressure oil output of the 5th hydraulic motor (43) is connected with fuel tank (1) by oil circuit, the power intake of the 5th hydraulic motor (43) is connected with the power intake of the second defeated dredge pump (44), the oil-in of the 4th overflow valve (45) is connected by the oil-out of oil circuit with the 4th check valve (39), the oil-out of the 4th overflow valve (45) is connected with fuel tank (1) by oil circuit, 4th Pressure gauge (46) is connected by the oil-out of oil circuit with the 4th check valve (39), the switch operation of the first 3-position 4-way pneumatic control hydraulic reversing valve (5), the second 3-position 4-way pneumatic control hydraulic reversing valve (16), the 3rd 3-position 4-way pneumatic control hydraulic reversing valve (29) and the 4th 3-position 4-way pneumatic control hydraulic reversing valve (40) is controlled by solenoid directional control valve, and the power of the first gear pump (3), the second gear pump (14), Three gear pump (27) and the 4th gear pump (38) is provided by Full-power takeoff by the engine of dredging vehicle.
2. all-hydraulic power-driven system as claimed in claim 1, it is characterized in that: also comprise oil return cleaner (47), described oil return cleaner (47) is arranged on the oil circuit that the first overflow valve (9), the second overflow valve (24), the 3rd overflow valve (35) and the 4th overflow valve (45) be connected with fuel tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765426.1U CN204299996U (en) | 2014-12-08 | 2014-12-08 | All-hydraulic power-driven system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765426.1U CN204299996U (en) | 2014-12-08 | 2014-12-08 | All-hydraulic power-driven system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204299996U true CN204299996U (en) | 2015-04-29 |
Family
ID=53105539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420765426.1U Expired - Fee Related CN204299996U (en) | 2014-12-08 | 2014-12-08 | All-hydraulic power-driven system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204299996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294399A (en) * | 2021-07-27 | 2021-08-24 | 徐州海伦哲特种车辆有限公司 | Double-hydraulic-energy power generation device of insulating overhead working truck and control method |
-
2014
- 2014-12-08 CN CN201420765426.1U patent/CN204299996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294399A (en) * | 2021-07-27 | 2021-08-24 | 徐州海伦哲特种车辆有限公司 | Double-hydraulic-energy power generation device of insulating overhead working truck and control method |
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