CN108457916B - Hydraulic system for rotary vane type hydraulic steering engine - Google Patents
Hydraulic system for rotary vane type hydraulic steering engine Download PDFInfo
- Publication number
- CN108457916B CN108457916B CN201810165366.2A CN201810165366A CN108457916B CN 108457916 B CN108457916 B CN 108457916B CN 201810165366 A CN201810165366 A CN 201810165366A CN 108457916 B CN108457916 B CN 108457916B
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- Prior art keywords
- oil return
- oil
- pipeline
- port
- return port
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Links
- 239000003921 oil Substances 0.000 claims abstract description 287
- 230000001050 lubricating effect Effects 0.000 claims abstract description 34
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
-
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
Abstract
The invention relates to a rotary vane type hydraulic steering engine, in particular to a hydraulic system for the rotary vane type hydraulic steering engine. The device comprises a first pump group, a second pump group, a first valve group, a second valve group, a first oil return filter, a second oil return filter and a steering mechanism. The hydraulic oil drainage lubricating device is characterized by further comprising an oil drainage lubricating device, wherein a shuttle valve is arranged in the oil drainage lubricating device, a first inlet of the shuttle valve is connected with a fifth main oil return port through a pipeline, a second inlet of the shuttle valve is connected with a sixth main oil return port through a pipeline, an outlet of the shuttle valve is connected with a second oil drainage port through a pipeline, and a one-way throttle valve is arranged on the pipeline. The fifth main oil return port of the oil drainage lubricating device is connected with the third main oil return port of the first oil return filter through a pipeline, the sixth main oil return port of the oil drainage lubricating device is connected with the fourth main oil return port of the second oil return filter through a pipeline, and the second oil drainage port of the oil drainage lubricating device is connected with the first oil drainage port of the steering mechanism through a pipeline. The hydraulic system has no problem that two pump sets mutually oil.
Description
Technical Field
The invention relates to a rotary vane type hydraulic steering engine, in particular to a hydraulic system for the rotary vane type hydraulic steering engine, which is used for driving a steering mechanism to operate.
Background
At present, a traditional hydraulic system for a rotary vane type hydraulic steering engine comprises a first pump group, a second pump group, a first valve group, a second valve group, a first oil return filter, a second oil return filter and a steering mechanism; the first valve bank is provided with a first main oil inlet, a first main oil return port, a first working oil outlet and a first working oil return port, the second valve bank is provided with a second main oil inlet, a second main oil return port, a second working oil outlet and a second working oil return port, the steering mechanism is provided with a third working oil inlet, a third working oil return port, a fourth working oil inlet, a fourth working oil return port and a first oil drain port communicated with an inner copper sleeve, the first oil return filter is provided with a first interface, a second interface and a third main oil return port, and the second oil return filter is provided with a third interface, a fourth interface and a fourth main oil return port; the first pump oil port of the first pump group is connected with the first main oil inlet of the first valve group through a pipeline, the first working oil outlet of the first valve group is connected with the third working oil inlet of the steering mechanism through a pipeline, the first working oil return port of the first valve group is connected with the third working oil return port of the steering mechanism through a pipeline, the first main oil return port of the first valve group is connected with the first interface of the first oil return filter through a pipeline, and the second interface of the first oil return filter is connected with the first pump group; the second pump oil port of the second pump group is connected with the second main oil inlet of the second valve group through a pipeline, the second working oil outlet of the second valve group is connected with the fourth working oil inlet of the steering mechanism through a pipeline, the second working oil return port of the second valve group is connected with the fourth working oil return port of the steering mechanism through a pipeline, the second main oil return port of the second valve group is connected with the third interface of the second oil return filter through a pipeline, and the fourth interface of the second oil return filter is connected with the second pump group. And an oil drain port of the steering mechanism is respectively connected with a third main oil return port of the first oil return filter and a fourth main oil return port of the second oil return filter through a throttle valve. The first pump group and the second pump group in the hydraulic system for the rotary vane type hydraulic steering engine are standby pump groups. Because the oil drain port of the hydraulic system in the transfer steering mechanism is directly connected with the first oil return filter and the second oil return filter through the throttle valve. Therefore, when the hydraulic system for the rotary vane type hydraulic steering engine discharges oil, the problem that two pump sets mutually run oil occurs.
Disclosure of Invention
The invention aims to solve the technical problem of providing a hydraulic system for a rotary vane type hydraulic steering engine, which can not cause the problem that two pump sets mutually oil.
In order to solve the problems, the following technical scheme is provided:
the hydraulic system for the rotary vane type hydraulic steering engine comprises a first pump group, a second pump group, a first valve group, a second valve group, a first oil return filter, a second oil return filter and a steering mechanism. The first valve bank has first main oil inlet, first main oil return opening, first work oil-out and first work oil return opening, the second valve bank has second main oil inlet, second main oil return opening, second work oil-out and second work oil return opening, steering mechanism has third work oil inlet, third work oil return opening, fourth work oil inlet, fourth work oil return opening and the first oil drain mouth that is linked together with copper sheathing in it, first oil return filter has first interface, second interface and third main oil return opening, second oil return filter has third interface, fourth interface and fourth main oil return opening. The first pump oil port of the first pump group is connected with the first main oil inlet of the first valve group through a pipeline, the first working oil outlet of the first valve group is connected with the third working oil inlet of the steering mechanism through a pipeline, the first working oil return port of the first valve group is connected with the third working oil return port of the steering mechanism through a pipeline, the first main oil return port of the first valve group is connected with the first interface of the first oil return filter through a pipeline, and the second interface of the first oil return filter is connected with the first pump group; the second pump oil port of the second pump group is connected with the second main oil inlet of the second valve group through a pipeline, the second working oil outlet of the second valve group is connected with the fourth working oil inlet of the steering mechanism through a pipeline, the second working oil return port of the second valve group is connected with the fourth working oil return port of the steering mechanism through a pipeline, the second main oil return port of the second valve group is connected with the third interface of the second oil return filter through a pipeline, and the fourth interface of the second oil return filter is connected with the second pump group. The hydraulic oil drainage lubricating device is characterized by further comprising a hydraulic oil drainage lubricating device, wherein the hydraulic oil drainage lubricating device is provided with a fifth main oil return port, a sixth main oil return port and a second oil drainage port, a shuttle valve is arranged in the hydraulic oil drainage lubricating device, the shuttle valve is provided with a first inlet, a second inlet and an outlet, the first inlet of the shuttle valve is connected with the fifth main oil return port through a pipeline, the second inlet of the shuttle valve is connected with the sixth main oil return port through a pipeline, the outlet of the shuttle valve is connected with the second oil drainage port through a pipeline, and a one-way throttle valve is arranged on the section of pipeline; the fifth main oil return port of the oil drainage lubricating device is connected with the third main oil return port of the first oil return filter through a pipeline, the sixth main oil return port of the oil drainage lubricating device is connected with the fourth main oil return port of the second oil return filter through a pipeline, and the second oil drainage port of the oil drainage lubricating device is connected with the first oil drainage port of the steering mechanism through a pipeline.
Wherein, first pump package and second pump package are the motor pump package.
By adopting the scheme, the method has the following advantages:
the hydraulic system for the rotary vane type hydraulic steering engine further comprises an oil drainage lubricating device, wherein a shuttle valve is arranged in the oil drainage lubricating device, a first inlet pipeline of the shuttle valve is connected with a fifth main oil return port, a second inlet pipeline of the shuttle valve is connected with a sixth main oil return port, an outlet of the shuttle valve is connected with a second oil drainage port of the oil drainage lubricating device through a pipeline, a throttle valve is arranged on the pipeline, the fifth main oil return port of the oil drainage lubricating device is connected with a third main oil return port of a first oil return filter through a pipeline, the sixth main oil return port of the oil drainage lubricating device is connected with a fourth main oil return port of a second oil return filter through a pipeline, and the second oil drainage port of the oil drainage lubricating device is connected with the first oil drainage port of the steering mechanism through a pipeline. When the hydraulic oil pump is used, a small amount of hydraulic oil in the first pump set enters the shuttle valve through the third main oil return port of the first oil return filter and the fifth main oil return port of the oil discharge lubricating device when the first pump set is in operation, the valve core of the shuttle valve is pushed to move towards the second inlet of the shuttle valve, so that the second inlet is not communicated with the outlet of the shuttle valve, and when oil is discharged, hydraulic oil in the steering mechanism passes through the first oil discharge port, the second oil discharge port, the one-way throttle valve, the outlet of the shuttle valve, the first inlet of the shuttle valve, the third main oil return port of the first oil return filter and enters the first pump set, and cannot enter the second pump set. When the second pump set is in operation, a small amount of hydraulic oil in the second pump set enters the shuttle valve through the fourth main oil return port of the second oil return filter and the sixth main oil return port of the oil discharge lubricating device, the valve core of the shuttle valve is pushed to move towards the first inlet of the shuttle valve, so that the first inlet is not communicated with the outlet of the shuttle valve, and when oil is discharged, hydraulic oil in the steering mechanism passes through the first oil discharge port, the second oil discharge port, the one-way throttle valve, the outlet of the shuttle valve, the second inlet of the shuttle valve, the fourth main oil return port of the second oil return filter and enters the second pump set, and cannot enter the first pump set. Therefore, the two pump sets in the hydraulic system for the rotary vane type hydraulic steering engine cannot have oil-mixing phenomenon.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic system for a rotary vane type hydraulic steering engine.
Detailed Description
The present invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the hydraulic system for a rotary vane type hydraulic steering engine of the present invention includes a first pump group 1, a second pump group 7, a first valve group 2, a second valve group 5, a first oil return filter 8, a second oil return filter 6, a steering mechanism 3, and a drain lubrication device 4. The first valve bank 2 is provided with a first main oil inlet P1, a first main oil return port T1, a first working oil outlet A1 and a first working oil return port B1, the second valve bank 5 is provided with a second main oil inlet P2, a second main oil return port T2, a second working oil outlet A2 and a second working oil return port B2, the steering mechanism 3 is provided with a third working oil inlet A3, a third working oil return port B3, a fourth working oil inlet A4, a fourth working oil return port B4 and a first oil drain port L1 communicated with an inner copper sleeve thereof, the first oil return filter 8 is provided with a first interface C1, a second interface C2 and a third main oil return port T3, and the second oil return filter 6 is provided with a third interface C3, a fourth interface C4 and a fourth main oil return port T4. The oil drainage lubricating device 4 is provided with a fifth main oil return port T5, a sixth main oil return port T6 and a second oil drainage port L2, the oil drainage lubricating device 4 is internally provided with a shuttle valve 4-2, the shuttle valve 4-2 is provided with a first inlet D1, a second inlet D2 and an outlet E, the first inlet D1 of the shuttle valve 4-2 is connected with the fifth main oil return port T5 through a pipeline, the second inlet D2 of the shuttle valve 4-2 is connected with the sixth main oil return port T6 through a pipeline, the outlet E of the shuttle valve 4-2 is connected with the second oil drainage port L2 through a pipeline, and a one-way throttle valve is arranged on the pipeline. The first pump oil port of the first pump group 1 is connected with a first main oil inlet P1 of the first valve group 2 through a pipeline, a first working oil outlet A1 of the first valve group 2 is connected with a third working oil inlet A3 of the steering mechanism 3 through a pipeline, a first working oil return port B1 of the first valve group 2 is connected with a third working oil return port B3 of the steering mechanism 3 through a pipeline, a first main oil return port T1 of the first valve group 2 is connected with a first interface C1 of a first oil return filter through a pipeline, and a second interface C2 of the first oil return filter 8 is connected with the first pump group 1; the second pump oil port of the second pump group 7 is connected with the second main oil inlet P2 of the second valve group 5 through a pipeline, the second working oil outlet A2 of the second valve group 5 is connected with the fourth working oil inlet A4 of the steering mechanism 3 through a pipeline, the second working oil return port B2 of the second valve group 5 is connected with the fourth working oil return port B4 of the steering mechanism 3 through a pipeline, the second main oil return port T2 of the second valve group 5 is connected with the third interface C3 of the second oil return filter through a pipeline, and the fourth interface C4 of the second oil return filter 6 is connected with the second pump group 7. The fifth main oil return port T5 of the oil drain lubricating device 4 is connected with the third main oil return port T3 of the first oil return filter 8 through a pipeline, the sixth main oil return port T6 of the oil drain lubricating device 4 is connected with the fourth main oil return port T4 of the second oil return filter 6 through a pipeline, and the second oil drain port L2 of the oil drain lubricating device 4 is connected with the first oil drain port L1 of the steering mechanism 3 through a pipeline.
The first pump unit 1 and the second pump unit 7 are motor pump units.
When the first pump set 1 is in use, a small amount of hydraulic oil in the first pump set 1 enters the third main oil return port T3 of the first oil return filter 8 and the fifth main oil return port T5 of the oil drain lubricating device 4 to enter the shuttle valve 4-2, the valve core of the shuttle valve 4-2 is pushed to move towards the second inlet D2 of the shuttle valve 4-2, so that the second inlet D2 of the shuttle valve 4-2 is not communicated with the outlet E of the shuttle valve 4-2, and when oil is drained, hydraulic oil in the rudder mechanism 3 enters the first pump set 1 through the first oil drain port L1, the second oil drain port L2, the one-way throttle valve, the outlet E of the shuttle valve 4-2, the first inlet D1 of the shuttle valve 4-2, the third main oil return port T3 of the first oil return filter and the first oil return filter, and cannot enter the second pump set 7. When the second pump set 7 is in operation, a small amount of hydraulic oil in the second pump set 7 enters the fourth main oil return port T4 of the second oil return filter 6 and the sixth main oil return port T6 of the oil drain lubrication device 4 to enter the shuttle valve 4-2, so that the valve core of the shuttle valve 4-2 is pushed to move towards the first inlet D1 of the shuttle valve 4-2, the first inlet D1 of the shuttle valve 4-2 is not communicated with the outlet E of the shuttle valve 4-2, and during oil drain, hydraulic oil in the steering mechanism 3 enters the second pump set 7 through the first oil drain port L1, the second oil drain port L2, the one-way throttle valve, the outlet E of the shuttle valve 4-2, the second inlet D2 of the shuttle valve 4-2, the fourth main oil return port T4 of the second oil return filter and the second oil return filter, and therefore does not enter the first pump set 1.
Claims (2)
1. The hydraulic system for the rotary vane type hydraulic steering engine comprises a first pump group (1), a second pump group (7), a first valve group (2), a second valve group (5), a first oil return filter (8), a second oil return filter (6) and a steering mechanism (3); the first valve bank (2) is provided with a first main oil inlet (P1), a first main oil return port (T1), a first working oil outlet (A1) and a first working oil return port (B1), the second valve bank (5) is provided with a second main oil inlet (P2), a second main oil return port (T2), a second working oil outlet (A2) and a second working oil return port (B2), the steering mechanism (3) is provided with a third working oil inlet (A3), a third working oil return port (B3), a fourth working oil inlet (A4), a fourth working oil return port (B4) and a first oil drain port (L1) communicated with an inner copper sleeve thereof, the first oil return filter (8) is provided with a first interface (C1), a second interface (C2) and a third main oil return port (T3), and the second oil return filter (6) is provided with a third interface (C3), a fourth interface (C4) and a fourth main oil return port (T4); the first pump oil port of the first pump group (1) is connected with a first main oil inlet (P1) of the first valve group (2) through a pipeline, a first working oil outlet (A1) of the first valve group (2) is connected with a third working oil inlet (A3) of the steering mechanism (3) through a pipeline, a first working oil return port (B1) of the first valve group (2) is connected with a third working oil return port (B3) of the steering mechanism (3) through a pipeline, a first main oil return port (T1) of the first valve group (2) is connected with a first interface (C1) of a first oil return filter through a pipeline, and a second interface (C2) of the first oil return filter (8) is connected with the first pump group (1); the second pump oil port of the second pump group (7) is connected with a second main oil inlet (P2) of the second valve group (5) through a pipeline, a second working oil outlet (A2) of the second valve group (5) is connected with a fourth working oil inlet (A4) of the steering mechanism (3) through a pipeline, a second working oil return port (B2) of the second valve group (5) is connected with a fourth working oil return port (B4) of the steering mechanism (3) through a pipeline, a second main oil return port (T2) of the second valve group (5) is connected with a third interface (C3) of a second oil return filter through a pipeline, and a fourth interface (C4) of the second oil return filter (6) is connected with the second pump group (7); the hydraulic oil drainage lubricating device is characterized by further comprising an oil drainage lubricating device (4), wherein the oil drainage lubricating device (4) is provided with a fifth main oil return port (T5), a sixth main oil return port (T6) and a second oil drainage port (L2), a shuttle valve (4-2) is arranged in the oil drainage lubricating device (4), the shuttle valve (4-2) is provided with a first inlet (D1), a second inlet (D2) and an outlet (E), the first inlet (D1) of the shuttle valve (4-2) is connected with the fifth main oil return port (T5) through a pipeline, the second inlet (D2) of the shuttle valve (4-2) is connected with the sixth main oil return port (T6) through a pipeline, the outlet (E) of the shuttle valve (4-2) is connected with the second oil drainage port (L2) through a pipeline, and a one-way throttle valve is arranged on the section of the pipeline; the fifth main oil return port (T5) of the oil drainage lubricating device (4) is connected with the third main oil return port (T3) of the first oil return filter (8) through a pipeline, the sixth main oil return port (T6) of the oil drainage lubricating device (4) is connected with the fourth main oil return port (T4) of the second oil return filter (6) through a pipeline, and the second oil drain port (L2) of the oil drainage lubricating device (4) is connected with the first oil drain port (L1) of the steering mechanism (3) through a pipeline.
2. The hydraulic system for a rotary vane hydraulic steering engine according to claim 1, characterized in that the first pump group (1) and the second pump group (7) are both motor pump groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810165366.2A CN108457916B (en) | 2018-02-28 | 2018-02-28 | Hydraulic system for rotary vane type hydraulic steering engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810165366.2A CN108457916B (en) | 2018-02-28 | 2018-02-28 | Hydraulic system for rotary vane type hydraulic steering engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457916A CN108457916A (en) | 2018-08-28 |
| CN108457916B true CN108457916B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810165366.2A Active CN108457916B (en) | 2018-02-28 | 2018-02-28 | Hydraulic system for rotary vane type hydraulic steering engine |
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| Country | Link |
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| CN (1) | CN108457916B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1029782A2 (en) * | 1999-02-18 | 2000-08-23 | Soqi K.K. | Power tilt device, in particular for lifting and lowering a marine propulsion unit |
| JP2001099104A (en) * | 1999-09-29 | 2001-04-10 | Hitachi Constr Mach Co Ltd | Hydraulic circuit device |
| JP2004169837A (en) * | 2002-11-21 | 2004-06-17 | Japan Hamuwaaji Kk | Valve block structure of rotary vane type steering gear |
| CN101649849A (en) * | 2008-08-14 | 2010-02-17 | 陈庆桐 | Brake circuit of hydraulic motor |
| CN205371123U (en) * | 2015-11-12 | 2016-07-06 | 无锡德林船舶设备有限公司 | Hydraulic pressure slidingtype watertight hydraulic system for door |
| CN207920987U (en) * | 2018-02-28 | 2018-09-28 | 无锡德林防务装备股份有限公司 | Rotary blade type hydraulic steering gear hydraulic system |
| CN108626186A (en) * | 2018-05-10 | 2018-10-09 | 北京特种机械研究所 | A kind of pure water hydraulics system for lifting and supporting |
-
2018
- 2018-02-28 CN CN201810165366.2A patent/CN108457916B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1029782A2 (en) * | 1999-02-18 | 2000-08-23 | Soqi K.K. | Power tilt device, in particular for lifting and lowering a marine propulsion unit |
| US6273770B1 (en) * | 1999-02-18 | 2001-08-14 | Soqi Kabushiki Kaisha | Hydraulic tilt system for marine propulsion |
| JP2001099104A (en) * | 1999-09-29 | 2001-04-10 | Hitachi Constr Mach Co Ltd | Hydraulic circuit device |
| JP2004169837A (en) * | 2002-11-21 | 2004-06-17 | Japan Hamuwaaji Kk | Valve block structure of rotary vane type steering gear |
| CN101649849A (en) * | 2008-08-14 | 2010-02-17 | 陈庆桐 | Brake circuit of hydraulic motor |
| CN205371123U (en) * | 2015-11-12 | 2016-07-06 | 无锡德林船舶设备有限公司 | Hydraulic pressure slidingtype watertight hydraulic system for door |
| CN207920987U (en) * | 2018-02-28 | 2018-09-28 | 无锡德林防务装备股份有限公司 | Rotary blade type hydraulic steering gear hydraulic system |
| CN108626186A (en) * | 2018-05-10 | 2018-10-09 | 北京特种机械研究所 | A kind of pure water hydraulics system for lifting and supporting |
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| Publication number | Publication date |
|---|---|
| CN108457916A (en) | 2018-08-28 |
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Effective date of registration: 20240122 Address after: No.203, Furong Zhongsi Road, Xishan District, Wuxi City, Jiangsu Province, 214000 Applicant after: WUXI HAIHE EQUIPMENT TECHNOLOGY Ltd. Country or region after: China Address before: No. 99, Furong Zhongsi Road, Yunlin street, Xishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Applicant before: WUXI DELIN DEFENSE EQUIPMENT Ltd. Country or region before: China |
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