CN202728050U - Multifunctional hydraulic pressure test oil truck - Google Patents
Multifunctional hydraulic pressure test oil truck Download PDFInfo
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- CN202728050U CN202728050U CN 201220403959 CN201220403959U CN202728050U CN 202728050 U CN202728050 U CN 202728050U CN 201220403959 CN201220403959 CN 201220403959 CN 201220403959 U CN201220403959 U CN 201220403959U CN 202728050 U CN202728050 U CN 202728050U
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Abstract
The utility model relates to a multifunctional hydraulic pressure test oil truck which comprises an oil tank, an oil supply path connected to the tank, a main oil return path and at least one debugging oil path, wherein the oil supply path comprises an oil supply pipeline, and a petrol-feed pump and a petrol-feed filter which are disposed in turn along an oil supply direction, the main oil return path comprises a main oil return pipeline, each debugging oil path is connected with the main oil return path via a connection oil path, each connection oil path is provided with a valve, and a washing oil path connected with the oil tank directly or through the main oil return pipeline is disposed on the oil supply path between the petrol-feed filter and the valves, and comprises a washing oil pipeline and a oil return switching valve. When the multifunctional hydraulic pressure test oil truck is used to wash oil off the oil tank, the oil return switching valve is opened, the connection oil paths are closed through the valves, an oil supply pump is started, and then the oil flows out from the oil tank, passes the petrol-feed filter and returns to the oil tank. After repeated cycles, the oil in the oil tank can be washed away, thereby solving the problem that oil in the oil tank can not be pre-washed by using conventional test oil truck of the prior art.
Description
Technical field
The utility model relates to a kind of multifunction hydraulic and tests oily car.
Background technology
Plane hydraulic system is the important component part of aircraft, whether hydraulic efficiency pressure system can work directly has influence on the flight safety of aircraft, therefore before the aircraft delivery or take off at every turn and frontly must carry out strict detection and debugging to its hydraulic efficiency pressure system, present generation aircraft requires very high to the solid pollution degree, therefore aircraft must clean its hydraulic efficiency pressure system before dispatching from the factory or taking off or after the maintenance, Granted publication number is that the Chinese patent specification sheets of 2011.11.16 discloses a kind of Multifunctional oil car for CN202038856U Granted publication day, comprise fuel tank, the oil feeding line that links to each other with fuel tank, oil return circuit, three position four-way directional control valve and two debugging oil circuits, oil feeding line comprises fuel feeding oil pipe and the fuel charger that sets gradually along the fuel feeding oil pipe on the fuel feeding direction, the oil that refuels is filtered, oil return circuit comprises the oil return oil pipe, refueling oil pipe and oil return oil pipe is communicated with oil inlet and the return opening of three position four-way directional control valve respectively, and two actuator ports of three position four-way directional control valve are respectively by preventing check valve that fluid refluxes and corresponding debugging oil circuit connection.This Multifunctional hydraulic oil vehicle can't clean the fluid in the fuel tank before use in advance repeatedly, only by disposable filtration, can not guarantee to debug and the cleanliness level of the fluid of annotating, and exchanges trial work and causes adverse effect, affects flight safety.
Summary of the invention
The purpose of this utility model is to provide a kind of multifunction hydraulic to test oily car, the problem that can not clean in advance fluid in the fuel tank to solve the oily car of test in the prior art.
In order to address the above problem, a kind of multifunction hydraulic of the present utility model is tested oily car, comprise fuel tank, the oil feeding line that links to each other with fuel tank, main oil return circuit and at least one debugging oil circuit, described oil feeding line comprises fuel feeding oil pipe and the fuel charger and the oil filter of refueling that set gradually along the fuel feeding direction, described main oil return circuit comprises main oil return oil pipe, each described debugging oil circuit is communicated with described main oil return circuit by connecting oil circuit respectively, each connects oil circuit all has for conducting/the close valve of this connection oil circuit, be provided with directly or cleaning oil circuit by described main oil return oil pipe and described fuel tank conducting at this described described oil feeding line that refuels between oil filter and the described valve, this cleaning oil circuit comprises the cleaning oil pipe and is located at oil return switch valve on this cleaning oil pipe.
Described valve is two position and four-way reversing valves.
Be connected with safety oil passageway between described cleaning oil pipe and the described fuel tank, this safety oil passageway is provided with the oiling safety valve.
Each described debugging oil circuit includes aircraft oil-feed oil circuit and aircraft oil return circuit, described aircraft oil-feed oil circuit comprises aircraft oil-feed oil pipe, the boost pump that on the oil-feed direction, is provided with successively along described aircraft oil-feed oil pipe, filter, charge oil pressure table and the confession oil valve that picks, described aircraft oil return circuit comprises aircraft oil return oil pipe and the oil return valve that picks, the oil outlet end of the oil inlet end of described aircraft oil-feed oil pipe and described aircraft oil return oil pipe is communicated with, each described aircraft oil return oil pipe is communicated with corresponding described connected pipes, also be provided with on each described aircraft oil return oil pipe directly or by the draining oil pipe that main oil return oil pipe is communicated with fuel tank, be equipped with the oil drain switch valve on each described draining oil pipe.
Each described debugging oil circuit includes the pressure regulation oil circuit, described pressure regulation oil circuit comprises charge oil pressure valve and the pressure regulating valve that successively conducting connects, the oil inlet of charge oil pressure valve is connected with the oil outlet conducting of described filter, and the oil outlet of pressure regulating valve connects with corresponding aircraft oil return circuit conducting.
When the utility model cleans fuel tank fluid, open the oil return switch valve and by valve each connected pipes is closed, then start oil feed pump, fluid flows out from fuel tank through refueling gets back to fuel tank after oil filters filter, through repeatedly circulation, the fluid in the fuel tank is cleaned up, then carry out debugging work and aircraft is refueled, solve the problem that the oily car of test in the prior art can not clean in advance to fluid in the fuel tank, eliminated the adverse effect of debugging work, improved flight safety.
Description of drawings
Fig. 1 is the system diagram of hydraulic pressure test oil car among the utility model embodiment;
Fig. 2 is the lateral plan of hydraulic pressure test oil car among the utility model embodiment;
Fig. 3 is the block diagram of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described in detail:
A kind of multifunction hydraulic is tested the embodiment of oily car, shown in Fig. 1 ~ 3, comprise that van-type carries car, be located at the fuel tank 3 in the compartment, the oil feeding line that links to each other with fuel tank 3, main oil return circuit and be used for three hydraulic circuit I with aircraft, II, three debugging oil circuits that the III conducting connects, fuel tank is provided with air filter 1, liquidometer 2, sample valve 4 and fuel outlet ball valve, oil feeding line comprises fuel feeding oil pipe and the oil suction switch 6 that sets gradually along the fuel feeding direction, fuel charger 7 and the oil filter of refueling, the oil filter of refueling comprises oiling first-level filtering 9 and refuels secondary filter 10, oil return circuit comprises the oil return oil pipe, each is debugged oil circuit and is communicated with main oil return circuit by connecting oil circuit respectively, each connects oil circuit and all has check valve 12 for conducting/close the valve 11 of this connection oil circuit and prevent fluid backflow fuel tank 3, valve 11 is two position and four-way reversing valves, oil feeding line between the filter of this oiling oil and valve 11 is provided with directly or the cleaning oil circuit by main oil return oil pipe and fuel tank 3 conductings, this cleaning oil circuit comprises cleaning oil pipe and the oil return switch valve 43 of being located on this cleaning oil pipe, clean between oil pipe and the fuel tank and be connected with safety oil passageway, this safety oil passageway is provided with oiling safety valve 42; Each is debugged oil circuit and includes aircraft oil-feed oil circuit and aircraft oil return circuit, aircraft oil-feed oil circuit comprises aircraft oil-feed oil pipe, the air-cooled radiator 14 that on the oil-feed direction, is provided with successively along aircraft oil-feed oil pipe, temperature sensor 13, one-level booster pump 22, two stage supercharging pump 25, check valve 27, energy storage 28, pressure switch 29, filter, charge oil pressure table 32 and the confession oil valve 35 that picks, filter comprises grade one filter 30 and secondary filter 31, one-level booster pump 22 a two ends safety valve 21 in parallel, the aircraft oil return circuit comprises aircraft oil return oil pipe, on the oil return direction, be provided with successively the oil return valve 39 that picks along this aircraft oil return oil pipe, spill pressure table 38 and sample valve assembly 37, the oil outlet end of the oil inlet end of aircraft oil-feed oil pipe and aircraft oil return oil pipe is communicated with, each aircraft oil return oil pipe is communicated with corresponding connected pipes, the draining oil pipe that also is provided with on each aircraft oil return oil pipe directly or is communicated with fuel tank 3 by main oil return oil pipe, be equipped with oil drain switch valve 15 on each draining oil pipe, each aircraft oil return line also is communicated with fuel tank by safe branch road, safe branch road comprises safety support road binders pipe and is located at safety valve 17 on this oil pipe, each is debugged oil circuit and includes the pressure regulation oil circuit, the pressure regulation oil circuit comprises charge oil pressure valve 33 and the pressure regulating valve 36 that successively conducting connects, the oil inlet of charge oil pressure valve 33 is connected with secondary filter 31 oil outlet conductings, the oil outlet of pressure regulating valve 36 connects with corresponding aircraft oil return circuit conducting, and pressure regulating valve 36 is manual pressure regulating valve.
Principle of work: fuel tank fluid cleans, open the oil return switch valve and by two position and four-way reversing valves each connected pipes is closed, then start oil feed pump, fluid flows out from fuel tank can be to fuel tank after filtering filter through refueling oil, through repeatedly circulation, the fluid in the fuel tank is cleaned up; Fluid cleans in the plane hydraulic system: close connected pipes by corresponding two position and four-way reversing valves, by the compression relief cock valve pressure release oil pipe is closed, start one-level booster pump, two stage supercharging pump, fluid in the fuel tanker is circulated in corresponding debugging oil circuit, repeatedly filtration by oiling first-level filtering and the filter of oiling secondary, realize the cleaning of fluid, three debugging oil circuits all can separately carry out cleaning; Aircraft refuelling: corresponding two position and four-way reversing valves are opened, oil return switch valve, compression relief cock valve are started fuel charger the aircraft corresponding system is refueled, three debugging oil circuits can simultaneously to aircraft refuelling, also can refuel separately; When picking debugging: close connected pipes by corresponding two position and four-way reversing valves, by the compression relief cock valve pressure release oil pipe is closed, start one-level booster pump, two stage supercharging pump, fluid in the fuel tanker is circulated in corresponding debugging oil circuit, by the pressure adjustment of pressure regulation oil circuit, the aircraft different conditions is carried out simulative debugging.
In other embodiment of the present utility model, different from above-described embodiment is that described two position and four-way reversing valves can also replace with switch valve; In other embodiment of the present utility model, different from above-described embodiment is, described adjustment oil circuit can arrange one, two and four etc. as required.
Claims (5)
1. a multifunction hydraulic is tested oily car, comprise fuel tank, the oil feeding line that links to each other with fuel tank, main oil return circuit and at least one debugging oil circuit, described oil feeding line comprises fuel feeding oil pipe and the fuel charger and the oil filter of refueling that set gradually along the fuel feeding direction, described main oil return circuit comprises main oil return oil pipe, it is characterized in that: each described debugging oil circuit is communicated with described main oil return circuit by connecting oil circuit respectively, each connects oil circuit all has for conducting/the close valve of this connection oil circuit, be provided with directly or cleaning oil circuit by described main oil return oil pipe and described fuel tank conducting at this described described oil feeding line that refuels between oil filter and the described valve, this cleaning oil circuit comprises the cleaning oil pipe and is located at oil return switch valve on this cleaning oil pipe.
2. a kind of multifunction hydraulic according to claim 1 is tested oily car, it is characterized in that: described valve is two position and four-way reversing valves.
3. a kind of multifunction hydraulic according to claim 2 is tested oily car, it is characterized in that: be connected with safety oil passageway between described cleaning oil pipe and the described fuel tank, this safety oil passageway is provided with the oiling safety valve.
According to claim 1 and 2 or 3 described a kind of multifunction hydraulics test oily car, it is characterized in that: each described debugging oil circuit includes aircraft oil-feed oil circuit and aircraft oil return circuit, described aircraft oil-feed oil circuit comprises aircraft oil-feed oil pipe, the boost pump that on the oil-feed direction, is provided with successively along described aircraft oil-feed oil pipe, filter, charge oil pressure table and the confession oil valve that picks, described aircraft oil return circuit comprises aircraft oil return oil pipe and the oil return valve that picks, the oil outlet end of the oil inlet end of described aircraft oil-feed oil pipe and described aircraft oil return oil pipe is communicated with, each described aircraft oil return oil pipe is communicated with corresponding described connected pipes, also be provided with on each described aircraft oil return oil pipe directly or by the draining oil pipe that main oil return oil pipe is communicated with fuel tank, be equipped with the oil drain switch valve on each described draining oil pipe.
5. a kind of multifunction hydraulic according to claim 4 is tested oily car, it is characterized in that: each described debugging oil circuit includes the pressure regulation oil circuit, described pressure regulation oil circuit comprises charge oil pressure valve and the pressure regulating valve that successively conducting connects, the oil inlet of charge oil pressure valve is connected with the oil outlet conducting of described filter, and the oil outlet of pressure regulating valve connects with corresponding aircraft oil return circuit conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403959 CN202728050U (en) | 2012-08-15 | 2012-08-15 | Multifunctional hydraulic pressure test oil truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403959 CN202728050U (en) | 2012-08-15 | 2012-08-15 | Multifunctional hydraulic pressure test oil truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202728050U true CN202728050U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220403959 Expired - Fee Related CN202728050U (en) | 2012-08-15 | 2012-08-15 | Multifunctional hydraulic pressure test oil truck |
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| CN (1) | CN202728050U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131524A (en) * | 2014-07-22 | 2014-11-05 | 红门智能科技股份有限公司 | Multi-section splicing type barrier rod |
| CN109159918A (en) * | 2018-08-23 | 2019-01-08 | 航成（天津）科技有限公司 | Aircraft nose landing gear turns to discharge valve torque test machine |
| CN112024494A (en) * | 2020-07-08 | 2020-12-04 | 西安航空制动科技有限公司 | Cylinder seat cleaning method for airplane brake device |
-
2012
- 2012-08-15 CN CN 201220403959 patent/CN202728050U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131524A (en) * | 2014-07-22 | 2014-11-05 | 红门智能科技股份有限公司 | Multi-section splicing type barrier rod |
| CN109159918A (en) * | 2018-08-23 | 2019-01-08 | 航成（天津）科技有限公司 | Aircraft nose landing gear turns to discharge valve torque test machine |
| CN109159918B (en) * | 2018-08-23 | 2021-09-21 | 航成（天津）科技有限公司 | Moment tester for steering pressure-releasing valve of nose landing gear of airplane |
| CN112024494A (en) * | 2020-07-08 | 2020-12-04 | 西安航空制动科技有限公司 | Cylinder seat cleaning method for airplane brake device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150815 |
|
| EXPY | Termination of patent right or utility model |