CN117967650A - Energy-saving hydraulic system of hydraulic oil vehicle and helicopter - Google Patents
Energy-saving hydraulic system of hydraulic oil vehicle and helicopter Download PDFInfo
- Publication number
- CN117967650A CN117967650A CN202311779756.6A CN202311779756A CN117967650A CN 117967650 A CN117967650 A CN 117967650A CN 202311779756 A CN202311779756 A CN 202311779756A CN 117967650 A CN117967650 A CN 117967650A
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- Prior art keywords
- oil
- valve
- pressure
- hydraulic
- helicopter
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 66
- 239000003921 oil Substances 0.000 claims abstract description 121
- 238000005070 sampling Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001502 supplementing effect Effects 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
- 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
- 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
-
- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- 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
- F15B21/0423—Cooling
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)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a hydraulic system of a helicopter hydraulic oil vehicle. Relates to an energy-saving hydraulic system of a hydraulic oil vehicle and a helicopter. The device comprises a hydraulic oil tank (1), a two-position two-way reversing valve (2), a pump assembly (3), a radiator (4), an oil filter assembly (6), an online pollution detector (7), a pressure supply hose (8), an oil return hose (9), a pressure maintaining valve (10), a combination valve (11), a sampling valve (12), a hand pump (13), a one-way valve b (14) and a pressure gauge (15); the energy-saving design of the hydraulic system can ensure that the hydraulic oil vehicle can also ensure various types of helicopters when no external power supply exists in the external field, improve the oil pumping efficiency of the plunger pump, reduce overflow loss, reduce the heat productivity of the hydraulic system and ensure service for the hydraulic systems of helicopters with different rated pressures.
Description
Technical Field
The invention relates to a hydraulic system of a helicopter hydraulic oil vehicle. Relates to an energy-saving hydraulic system of a hydraulic oil vehicle and a helicopter.
Background
The main function of the helicopter hydraulic oil vehicle is to provide hydraulic energy for an onboard hydraulic system when the helicopter engine does not work, so as to complete the following work: ground function test and maintenance inspection of a helicopter hydraulic system; local cleaning of a helicopter hydraulic system; sampling and inspecting hydraulic oil; and (5) oiling and supplementing oil for a hydraulic system of the helicopter.
The traditional helicopter hydraulic oil vehicle has the defects that the electric plunger pump is difficult in oil absorption, only can guarantee a single type of helicopter, cannot provide guarantee service for the helicopter when no external power supply exists in the external field, evacuates hydraulic oil in a hydraulic oil tank on the helicopter, and the heating value of a hydraulic oil vehicle system is large.
Disclosure of Invention
Object of the Invention
According to the invention, through the design of the hydraulic system of the hydraulic oil vehicle of the helicopter, the hydraulic system of the helicopter can be guaranteed for various types of helicopters even if an external power supply is not provided in an external field, the oil pumping efficiency of the plunger pump is improved, the overflow loss is reduced, the heating value of the hydraulic system is reduced, and the hydraulic system of the helicopter can be guaranteed and serviced for helicopters with different rated pressures.
Technical proposal
The energy-saving hydraulic system of the hydraulic oil vehicle comprises a hydraulic oil tank 1, a two-position two-way reversing valve 2, a pump assembly 3, a radiator 4, an oil filter assembly 6, an on-line pollution detector 7, a pressure supply hose 8, an oil return hose 9, a pressure maintaining valve 10, a combination valve 11, a sampling valve 12, a hand pump 13, a one-way valve b14 and a pressure gauge 15, wherein a framework diagram is shown in figure 1, and a principle is shown in figure 2.
The oil suction port of the two-position two-way reversing valve 2 is connected with the oil suction filter of the hydraulic oil tank 1, the oil return port of the two-position two-way reversing valve 2 is connected with the oil return filter of the hydraulic oil tank 1, the two-position two-way reversing valve 2 is used for switching on or off the hydraulic oil tank 1, the oil supply port of the two-position two-way reversing valve 2 is connected to the oil suction port of a gear pump of the pump assembly 3, the oil return port of the two-position two-way reversing valve 2 is connected to the oil return port of the combination valve 11, the pump assembly 3 consists of a motor, an electric plunger pump and a gear pump, and the gear pump is used for improving the oil suction pressure of the electric plunger pump; the gear pump is connected with the oil suction port end of the radiator 4, and the oil supply port end of the radiator 4 is connected with the filter oil suction port in the oil filter assembly 6; an oil outlet of the oil filter assembly 6 is divided into two paths, one path is connected to an oil suction end of the electric plunger pump, the other path is directly returned to the hydraulic oil tank 1, an oil outlet of an orifice a of the oil filter assembly 6 is connected to an oil return port of the combination valve 11, an external pressure regulating port of the electric plunger pump is connected to a pressure control valve in the combination valve 11, an oil supply port of the electric plunger pump is connected to an oil suction port of the combination valve 11, and an oil supply port of the combination valve 11 is connected with a pressure-maintaining valve 10 and then is connected with a pressure-supplying hose 8, and the pressure-supplying hose 8 supplies oil to a hydraulic system of the helicopter; an oil return port on the combination valve 11 is connected with an oil return hose 9, helicopter hydraulic oil returns to the hydraulic oil tank 1 through the oil return hose 9, and the combination valve 11 comprises a pressure sensor, a one-way valve a, an orifice b, a pressure control valve, a pressure oil filter, a flow rate regulating valve and a flowmeter; the oil outlet end, the pressure oil filter, the flow speed regulating valve and the flowmeter of the one-way valve a are sequentially connected and then connected with the oil supply port of the combination valve 11, the oil suction port of the one-way valve a is connected with the oil supply port of the electric plunger pump, and the other path of the pressure control valve is connected to the oil outlet of the one-way valve a.
Further, a temperature sensor 5 is further included, and the temperature sensor 5 is disposed between the radiator 4 and the oil filter assembly 6 to detect the oil temperature.
Further, the oil pollution degree monitoring device also comprises an online pollution detector 7, wherein the online pollution detector 7 is arranged between the oil filter assembly 6 and the combination valve 11, and is used for monitoring the oil pollution degree.
Further, the hydraulic oil sampling device further comprises a sampling valve 12, wherein the sampling valve 12 is connected with a shell oil drain port of the electric plunger pump and used for sampling and detecting hydraulic oil.
Further, the device also comprises a pressure sensor, wherein the pressure sensor is arranged between the one-way valve a and the pressure oil filter and is used for detecting the pressure at the one-way valve a.
Further, the hydraulic helicopter monitoring device further comprises a hand pump 13, a one-way valve b14 and a pressure gauge 15, wherein the hand pump 13 absorbs oil from the hydraulic oil tank 1, an oil supply port of the hand pump 13 is connected with an oil outlet of the one-way valve b14 to prevent hydraulic oil from reversely flowing to the hand pump 13, and the pressure gauge 15 is arranged among the oil absorption port of the one-way valve b14, the oil outlet of the pressure maintaining valve 10 and the oil absorption port of the pressure supply hose 8 to monitor the pressure supply pressure when the hydraulic oil vehicle is connected with the helicopter.
Further, the oil filter assembly 6 is provided with an orifice a, and the orifice a provides a stable monitoring environment for the online pollution detector 7.
Furthermore, the pressure control valve can be used for adjusting the system pressure value of the hydraulic oil car and serving various helicopter models.
Furthermore, the pressure supply hose 8 and the oil return hose 9 are respectively provided with a self-sealing joint, and when the helicopter hydraulic system is connected or disconnected, the oil in the hoses can be sealed.
Further, a helicopter adopting the hydraulic oil vehicle energy-saving hydraulic system.
The application has the beneficial effects that:
The hydraulic oil vehicle of the helicopter not only provides a hydraulic pump source and test and maintenance functions for an onboard hydraulic system when the helicopter engine does not work, but also can guarantee various types of helicopters when the external power supply is not arranged in an external field, improves the oil pumping efficiency of a plunger pump, reduces overflow loss, reduces the heat productivity of the hydraulic system and guarantees and serves the hydraulic systems of helicopters with different rated pressures by adopting the energy-saving design of the hydraulic system; in addition, the helicopter can serve more helicopter models by being adjusted to accessory factory setting parameters.
Drawings
FIG. 1 is a frame diagram of a hydraulic oil vehicle;
fig. 2 is a hydraulic schematic diagram of a hydraulic oil vehicle.
Detailed Description
The invention is further described below with reference to examples. The following description is of some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Typical two conditions of a hydraulic oil vehicle are:
self-circulation of hydraulic oil vehicle
The two-position two-way reversing valve (2) is powered off, the two-position two-way reversing valve (2) works in a lower cavity, the hydraulic oil tank (1) of the hydraulic oil vehicle is communicated, hydraulic oil in the hydraulic oil tank is filtered by the gear pump in the pump assembly (3), the radiator (4), the temperature sensor (5) and the oil filtering assembly (6), oil is supplied by the electric pump plunger pump in the pump assembly (3), oil is supplied to the hydraulic system of the helicopter through the pressure maintaining valve (10) and the pressure supplying hose (8), and the hydraulic oil returns to the hydraulic oil tank of the hydraulic oil vehicle through the oil return hose (9) and the two-position two-way reversing valve (3) at the same time.
Second, working mode of docking helicopter
The working mode of the pairing machine is as follows: the two-position two-way reversing valve (2) is in short connection with the electromagnet electrified oil tank assembly, the two-position two-way reversing valve works in an upper cavity, a helicopter hydraulic system is connected, hydraulic oil in the helicopter hydraulic oil tank is filtered by the pump assembly (3), the radiator (4), the temperature sensor (5) and the oil filter assembly (6), oil is supplied by the electric plunger pump in the pump assembly (3), and oil is supplied to the helicopter hydraulic system through the pressure maintaining valve (10) and the pressure supplying hose (8) by the combination valve (11).
Key technical points are as follows:
1) The A part (the traditional hydraulic oil vehicle is provided with a parallel one-way valve) is a large damping pipeline with a bent through, so that overflow caused by pressure holding (0.5 MPa) is avoided, meanwhile, the overload damage fault of a radiator caused by damage of the one-way valve is avoided, the design can enable the discharge capacity of a pressurizing gear pump to be smaller than that of a plunger pump, and when the plunger pump is in large discharge capacity, oil is directly replenished from an oil tank of the hydraulic oil vehicle or a hydraulic system of a helicopter through the large damping pipeline;
2) The position B is matched with a two-way flow speed regulating valve and a variable electric pump, so that the flow of the electric pump is controlled, overflow is avoided, and heating is caused;
3) The pressurizing gear pump at the C position improves the oil absorption efficiency of the electric plunger pump, and ensures that the hydraulic oil vehicle provides stable hydraulic pressure for a hydraulic system of the helicopter;
4) The two-position two-way reversing valve at the D position ensures that hydraulic oil in a hydraulic oil tank on the helicopter is not pumped out when the hydraulic oil vehicle of the helicopter is docked with the helicopter;
5) And E is a pressure regulating overflow valve for controlling the pressure of the hydraulic oil vehicle when the hydraulic oil vehicle is used for guaranteeing service of helicopter hydraulic systems with different rated pressures.
Radiator (4) are installed electronic plunger pump oil absorption end, and on-line pollution detector (7) are installed between oil filter subassembly (6) and combination valve (11), and pressure retaining valve (10) are installed in combination valve (11) and are supplied the pressure mouth, supply pressure hose (8) butt joint helicopter hydraulic pressure maintenance interface to helicopter hydraulic system supply pressure, and oil return hose (9) butt joint helicopter hydraulic pressure maintenance interface is with hydraulic oil car that will go up the hydraulic oil back to the helicopter.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (10)
1. The energy-saving hydraulic system of the hydraulic oil vehicle is characterized by comprising a hydraulic oil tank (1), a two-position two-way reversing valve (2), a pump assembly (3), a radiator (4), an oil filter assembly (6), an online pollution detector (7), a pressure supply hose (8), an oil return hose (9), a pressure maintaining valve (10), a combination valve (11), a sampling valve (12), a hand pump (13), a one-way valve b (14) and a pressure gauge (15); the oil suction port of the two-position two-way reversing valve (2) is connected with the oil suction filter of the hydraulic oil tank (1), the oil return port of the two-position two-way reversing valve (2) is connected with the oil return filter of the hydraulic oil tank (1), the two-position two-way reversing valve (2) is used for switching on or off the hydraulic oil tank (1), the oil supply port of the two-position two-way reversing valve (2) is connected to the oil suction port of the gear pump of the pump assembly (3), the oil return port of the two-position two-way reversing valve (2) is connected with the oil return port of the combined valve (11), the pump assembly (3) consists of a motor, an electric plunger pump and a gear pump, and the gear pump is the electric plunger pump for improving the oil suction pressure; the gear pump is connected with an oil suction port end of the radiator (4), and an oil supply port end of the radiator (4) is connected with a filter oil suction port in the oil filter assembly (6); an oil outlet of the oil filter assembly (6) is divided into two paths, one path is connected to an oil suction end of the electric plunger pump, the other path is directly returned to the hydraulic oil tank (1), an oil outlet of an orifice a of the oil filter assembly (6) is connected to an oil return port of the combination valve (11), an external pressure regulating port of the electric plunger pump is connected to a pressure control valve in the combination valve (11), an oil supply port of the electric plunger pump is connected to an oil suction port of the combination valve (11), and an oil supply port of the combination valve (11) is connected with a pressure supply hose (8) after passing through a pressure maintaining valve (10), and the pressure supply hose (8) supplies oil to a hydraulic system of the helicopter; an oil return port on the combined valve (11) is connected with an oil return hose (9), helicopter hydraulic oil returns to the hydraulic oil tank (1) through the oil return hose (9), and the combined valve (11) comprises a pressure sensor, a one-way valve a, an orifice b, a pressure control valve, a pressure oil filter, a flow speed regulating valve and a flowmeter; the oil outlet end, the pressure oil filter, the flow speed regulating valve and the flowmeter of the one-way valve a are sequentially connected and then connected with the oil supply port of the combination valve (11), the oil suction port of the one-way valve a is connected with the oil supply port of the electric plunger pump, and the other path of the pressure control valve is connected to the oil outlet of the one-way valve a.
2. The system according to claim 1, further comprising a temperature sensor (5), the temperature sensor (5) being arranged between the radiator (4) and the oil filter assembly (6), detecting the oil temperature.
3. The system of claim 2, further comprising an on-line pollution detector (7), the on-line pollution detector (7) being disposed between the oil filter assembly (6) and the combination valve (11) to monitor the oil pollution level.
4. A system according to claim 3, further comprising a sampling valve (12), said sampling valve (12) being connected to a housing drain of the electric plunger pump for hydraulic oil sampling detection.
5. The system of claim 4, further comprising a pressure sensor disposed between the one-way valve a and the pressure oil filter for detecting pressure thereat.
6. The system according to claim 5, further comprising a hand pump (13), a one-way valve b (14) and a pressure gauge (15), wherein the hand pump (13) absorbs oil from the hydraulic oil tank (1), an oil supply port of the hand pump (13) is connected with an oil outlet of the one-way valve b (14) to prevent hydraulic oil from flowing reversely to the hand pump (13), and the pressure gauge (15) is arranged between an oil suction port of the one-way valve b (14), an oil outlet of the pressure maintaining valve (10) and an oil suction port of the pressure supply hose (8) to monitor pressure supply when the hydraulic oil vehicle is connected with a helicopter.
7. The system according to claim 6, wherein the oil filter assembly (6) is provided with an orifice a, the orifice a providing a stable monitoring environment for an on-line pollution detector (7).
8. The system of claim 7, wherein the pressure control valve is capable of setting a system pressure value for a hydraulic tanker to service a plurality of helicopter models.
9. The system according to claim 8, characterized in that the pressure supply hose (8) and the oil return hose (9) are provided with self-sealing joints, and the oil in the hoses can be sealed when the helicopter hydraulic system is switched on or off.
10. A helicopter employing the system of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311779756.6A CN117967650A (en) | 2023-12-22 | 2023-12-22 | Energy-saving hydraulic system of hydraulic oil vehicle and helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311779756.6A CN117967650A (en) | 2023-12-22 | 2023-12-22 | Energy-saving hydraulic system of hydraulic oil vehicle and helicopter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117967650A true CN117967650A (en) | 2024-05-03 |
Family
ID=90850170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311779756.6A Pending CN117967650A (en) | 2023-12-22 | 2023-12-22 | Energy-saving hydraulic system of hydraulic oil vehicle and helicopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117967650A (en) |
-
2023
- 2023-12-22 CN CN202311779756.6A patent/CN117967650A/en active Pending
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