CN213510884U - Take injection device's oil leak discharge system - Google Patents

Abstract

The utility model discloses an oil leakage discharge system with an injection device, which comprises an oil leakage tank, an air vent pipe, a first oil leakage pipe, a second oil leakage pipe, a first oil discharge pipe, an air inlet pipe and a second oil discharge pipe, wherein the oil leakage tank is provided with an air vent pipe joint, an oil discharge switch, a first oil leakage pipe joint and a second oil leakage pipe joint; one end of the three-way joint is connected with the first oil leakage guide pipe, and the other end of the three-way joint is connected with the first oil drainage guide pipe; the injection device is respectively connected with the first oil discharge conduit, the air inlet conduit and the second oil discharge conduit. The utility model provides a take injection apparatus's oil leak discharge system, the oil leak that produces is revealed to each position of leaking oil tank collection, storage engine to oil leak through the injection apparatus who has suction discharges out the engine in the oil leak tank, realizes the purpose of burning, the lubricating oil that in time the discharge engine revealed.

Description

Take injection device's oil leak discharge system

Technical Field

The utility model relates to an aeroengine leaks oily discharge system, concretely relates to take injection device's hourglass oil collection discharge system.

Background

After the aircraft engine is stopped, fuel in a main fuel oil main pipe is not combusted, and unburned fuel has the possibility of carbon deposition in a nozzle.

When the engine works and stops, accessories such as pumps and the like can leak a certain amount of fuel oil or lubricating oil, and the leaked fuel oil and the leaked lubricating oil can be accumulated to a certain amount to influence the normal work of the accessories.

When the engine is started in a false mode, the engine is not started successfully, oil seal and seal opening are carried out, fuel oil or lubricating oil can be accumulated in an engine flow passage, and the accumulated fuel oil and lubricating oil can explode when the engine works next time.

The existing engine oil leakage discharge system directly leads combustion oil and lubricating oil leaked from each oil leakage point to the position of the spray pipe through the guide pipe, the oil leakage is discharged by utilizing the injection effect of the spray pipe, the oil discharge mode can produce the oil discharge effect, but the oil discharge mode is often found out in use and is not thorough, and the explosion phenomenon occurs when the engine is pneumatic.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a take injection device's oil leak discharge system, this utility model can

The purpose of the utility model is realized by adopting the following technical scheme:

an oil leakage discharge system with an injection device comprises an oil leakage tank, a vent pipe, a first oil leakage guide pipe, a second oil leakage guide pipe, a first oil discharge guide pipe, an air inlet guide pipe and a second oil discharge guide pipe,

the oil leakage tank is provided with a vent pipe joint, an oil drainage switch, a first oil leakage pipe joint and a second oil leakage pipe joint, the vent pipe joint is connected with a vent pipe, the first oil leakage pipe joint is connected with a first oil leakage pipe, and the second oil leakage pipe joint is connected with a second oil leakage pipe;

one end of the three-way joint is connected with the first oil leakage guide pipe, and the other end of the three-way joint is connected with the first oil drainage guide pipe;

and the injection device is respectively connected with the first oil discharge conduit, the air inlet conduit and the second oil discharge conduit.

Preferably, the injection device is of a three-way joint structure, the air inlet pipe is connected to the one end of the injection device, the first oil discharge pipe is connected to one end of the air inlet pipe, and the second oil discharge pipe is connected to the other end of the air inlet pipe.

Preferably, the cross section of the injection device is in a throttling and gradually expanding shape, and the oil inlet and leakage joint is arranged behind the throttling position in the air supply direction and is positioned at the same side with the gradually expanding end.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a take injection apparatus's oil leak discharge system, the oil leak that produces is revealed to each position of leaking oil tank collection, storage engine to the oil leak that will leak in the oil tank through the injection apparatus who has suction discharges out the engine. The oil discharge system with the injection device can discharge oil leakage more thoroughly; the ventilation guide pipe has the interference discharge function of an oil leakage tank and has the safety function of oil discharge backup; the oil discharge conduit with the three-way joint simultaneously discharges leaked fuel oil or lubricating oil and leaked oil in the oil leakage tank, and the oil leakage discharge efficiency is high.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic structural view of an oil leakage discharge system with an injection device according to the present invention,

figure 2 is a schematic view of the structure of the oil leakage tank,

FIG. 3 is a schematic structural view of an injection device;

in the figure: 1-oil leakage tank, 2-vent pipe, 3-first oil leakage pipe, 4-three-way joint, 5-second oil leakage pipe, 6-first oil discharge pipe, 7-air inlet pipe, 8-ejector, 9-second oil discharge pipe, 10-vent pipe joint, 11-oil discharge switch, 12-first oil leakage pipe joint and 13-second oil leakage pipe joint.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1, the leaked oil discharge system with the injection device is composed of an oil leakage tank 1, a vent pipe 2, a first oil leakage pipe 3, a three-way joint 4, a second oil leakage pipe 5, a first oil discharge pipe 6, an air inlet pipe 7, an injection device 8 and a second oil discharge pipe 9, and as shown in fig. 2, the oil leakage tank is provided with a vent pipe joint 10, an oil discharge switch 11, a first oil leakage pipe joint 12 and a second oil leakage pipe joint 13.

The breather pipe joint 10 on the oil leakage tank is connected with the breather conduit 2, the first oil leakage pipe joint 12 is connected with the first oil leakage conduit 3, and the second oil leakage pipe joint 13 is connected with the second oil leakage conduit 5. The joint of the first oil leakage pipe joint 12 and the second oil leakage pipe joint 13 is provided with a sealing ring for enhancing sealing, the sealing ring can adopt a common O-shaped sealing ring, and the sealing ring is convenient to install and simple and convenient to maintain.

The fuel or the lubricating oil leaked by accessories such as fuel oil and pumps which are not combusted in a main fuel manifold of a main fuel circuit of the aircraft engine and the fuel or the lubricating oil accumulated in a flow passage flow to a fuel leakage tank 1 through a first fuel leakage guide pipe 3, and when the leakage amount is large or the distance of the position of the fuel leakage point is long, one or more second fuel leakage guide pipes 5 can be added to guide the leaked fuel or the leaked lubricating oil to the fuel leakage tank.

The oil leakage tank 1 collects and stores oil leakage generated by leakage at each position of the engine when the oil discharge injection force is small. The oil leakage tank 1 is provided with a vent pipe joint 10, the vent pipe joint 10 is connected with a vent pipe 2, the vent pipe 2 is directly communicated with the atmosphere or connected with an air supply pipe of an airplane, the gas pressure of the space above the liquid level of the oil leakage tank is communicated with the atmosphere by the vent pipe 2, the pressure in the oil leakage tank is balanced, and the oil leakage in the oil leakage tank is convenient to discharge. Under extreme conditions, when the oil leakage tank 1 is full of oil leakage, the ventilation duct 2 can discharge the interference oil leakage in the oil leakage tank, and has the safety function of oil discharge backup.

The three-way joint 4 is installed on the first oil leakage guide pipe 3, the other end of the three-way joint 4 is connected with the first oil drainage guide pipe 6, the first oil drainage guide pipe 6 drains the leaked oil in the oil leakage tank 1 to the injection device 8, and through the switching of the three-way joint, the leaked fuel oil or the leaked lubricating oil and the leaked oil in the oil leakage tank are simultaneously discharged, so that the high-emission efficiency is realized.

As shown in fig. 3, the injection device 8 is a three-way joint structure, three joints have functions of air supply, oil inlet and oil outlet, and oil and air mixture discharge, the section of the injection device is in a throttling and diverging shape, and the joint for oil inlet and oil outlet is arranged behind the throttling position in the air supply direction and is arranged at the same side with the diverging end. One end of the injection device 8 is connected with the air inlet guide pipe 7, one end of the injection device is connected with the first oil discharge guide pipe 6, the other end of the injection device is connected with the second oil discharge guide pipe 9, airflow in the air inlet guide pipe 7 flows through the injection device, a lower pressure environment is generated behind the throttling part of the injection device 8, and oil leakage drained from the second oil discharge guide pipe is sucked to the injection device under lower pressure and is discharged through the second oil discharge guide pipe.

When the engine is maintained, the leaked oil in the oil leakage tank can be manually discharged through an oil discharge switch on the oil leakage tank.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (6)

1. The utility model provides a take injection apparatus's oil leak discharge system, includes oil leak case (1), breather pipe (2), first oil leak pipe (3), second oil leak pipe (5), first oil drain pipe (6), admission line pipe (7), second oil drain pipe (9), its characterized in that:

the oil leakage tank (1) is provided with a vent pipe joint (10), an oil drainage switch (11), a first oil leakage pipe joint (12) and a second oil leakage pipe joint (13), the vent pipe joint (10) is connected with a vent pipe (2), the first oil leakage pipe joint (12) is connected with a first oil leakage pipe (3), and the second oil leakage pipe joint (13) is connected with a second oil leakage pipe (5);

one end of the three-way joint (4) is connected with the first oil leakage guide pipe (3), and the other end of the three-way joint (4) is connected with the first oil drainage guide pipe (6);

the injection device (8), the injection device (8) is respectively connected with the first oil discharge conduit (6), the air inlet conduit (7), the connection pipe and the second oil discharge conduit (9).

2. The leaked oil draining system with guiding device according to claim 1, wherein: injection device (8) are three joint structure, air inlet pipe (7) is connected to the one end of injection device (8), and first oil drain pipe (6) is connected to one end, and second oil drain pipe (9) is connected to the other end.

3. The leaked oil draining system with an injection apparatus according to claim 2, wherein: the section of the injection device (8) is in a gradually expanding shape, and the joint for oil leakage is arranged behind the throttling position in the air supply direction and is positioned at the same side with the gradually expanding end.

4. The leaked oil draining system with guiding device according to claim 1, wherein: the ventilation catheter (2) is communicated with the atmosphere.

5. The leaked oil draining system with guiding device according to claim 1, wherein: and a sealing ring is arranged at the joint of the first oil leakage pipe joint (12) and the second oil leakage pipe joint (13).

6. The leaked oil draining system with guiding device according to claim 5, wherein: the sealing ring is an O-shaped rubber sealing ring.

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