CN116213375A - Aeroengine high-pressure air flow channel on-wing flushing tool and equipment - Google Patents
Aeroengine high-pressure air flow channel on-wing flushing tool and equipment Download PDFInfo
- Publication number
- CN116213375A CN116213375A CN202211711370.7A CN202211711370A CN116213375A CN 116213375 A CN116213375 A CN 116213375A CN 202211711370 A CN202211711370 A CN 202211711370A CN 116213375 A CN116213375 A CN 116213375A
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- CN
- China
- Prior art keywords
- spray pipe
- air flow
- flow channel
- pressure air
- flushing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/002—Cleaning of turbomachines
Abstract
The invention provides a tool and equipment for flushing an aeroengine high-pressure air flow channel on a wing, which are used for solving the technical problems that the air flow channel and a blade of the engine are influenced by the environment and can adhere a large amount of dust and carbon deposit to influence the performance of the engine. The flushing tool comprises a spray pipe, a mounting seat, a compression nut and a spraying direction pointer, wherein the mounting seat, the compression nut and the spraying direction pointer are sequentially arranged on the spray pipe; the spray pipe comprises an inlet section, a transmission section and an injection section which are sequentially connected, a blocking cover is arranged at the end part of the injection section, and a plurality of spray holes are uniformly distributed on the side wall of the injection section; the length of the injection section is matched with the length of the high-pressure air flow channel, so that the injection hole can fully cover the high-pressure air flow channel; the mounting seat and the injection direction pointer are fixedly connected with the spray pipe; the injection direction pointer is used for indicating the injection direction of the injection hole; the outer side wall of the compression nut is provided with an external thread which is in matched connection with an internal thread at the position of a high-pressure hole of the engine, the flushing fixture can be fixedly arranged on the engine by screwing the compression nut, and the installation seat can be compressed, so that the position of the spray pipe is relatively fixed.
Description
Technical Field
The invention relates to the field of aviation maintenance and guarantee, in particular to an aircraft engine high-pressure air channel flushing tool and equipment.
Background
In the field of aviation maintenance and guarantee, because an air flow channel and blades of an aeroengine are influenced by the environment after the aeroengine flies for a period of time, a large amount of dust and carbon deposit can adhere to the air flow channel and blades to influence the performance of the aeroengine, so that the aeroengine needs to be returned to a factory for repair in advance before reaching a major repair period, and the use of equipment is seriously influenced. The inventor of the invention discovers through long-term maintenance test experience that if the high-pressure air flow channel of the engine can be cleaned in time, the performance and the service life of the engine can be improved. However, the existing cleaning equipment is used for cleaning the high-pressure air flow channel of the engine, the engine is required to be separated from the aircraft, and the engine is placed on a special test bed and is debugged into an engine test state, so that the engine can be cleaned, the cleaning efficiency is low, and the workload is high.
Disclosure of Invention
In order to solve the technical problems that the air flow channel and the blades of the aeroengine are affected by the environment and a large amount of dust and carbon deposit can adhere to the air flow channel and the blades of the aeroengine to affect the performance of the aeroengine, the invention provides a tool and equipment for flushing the high-pressure air flow channel of the aeroengine on the wings, which are simple to operate and convenient to use.
The technical scheme of the invention is as follows:
the utility model provides an aeroengine high pressure air current passageway washes frock in wing which characterized in that: the device comprises a spray pipe, a mounting seat, a compression nut and a spray direction pointer;
the spray pipe comprises an inlet section, a transmission section and a spray section which are sequentially connected, a blocking cover is arranged at the end part of the spray section, and a plurality of spray holes are uniformly distributed on the side wall of the spray section; the length of the injection section is matched with the length of the high-pressure air flow channel, so that the injection hole can fully cover the high-pressure air flow channel;
the mounting seat, the compression nut and the injection direction pointer are sequentially sleeved on the spray pipe, the mounting seat is closer to the injection section of the spray pipe, and the mounting seat and the injection direction pointer are fixedly connected with the spray pipe; the injection direction pointer is used for indicating the injection direction of the injection hole;
the external screw thread which is connected with the internal screw thread of the high-pressure hole detection port of the engine in a matching way is arranged on the outer side wall of the compression nut, the whole flushing tool can be fixedly arranged on the engine by screwing the compression nut, and meanwhile, the installation seat can be compressed, so that the position of the spray pipe is relatively fixed.
Further, the device also comprises a spherical joint sleeved outside the spray pipe; the inner hole of mount pad upper end, the inner hole of gland nut lower extreme are the bell mouth, and both lock from top to bottom sets up the back, forms jointly and is used for installing spherical joint's installation cavity, spherical joint is located this installation cavity, gland nut passes through spherical joint compresses tightly the mount pad.
Further, the device also comprises a handle connected with the compression nut, wherein the handle is used for conveniently screwing the compression nut.
Further, the flushing tool comprises a blocking cap for blocking the inlet end of the spray pipe when the flushing tool is in a non-working state.
Further, the device also comprises a joint arranged at the inlet end of the spray pipe; one end of the connector is connected with the inlet end of the spray pipe, and the other end of the connector is in threaded connection with the blocking cap; the middle part of the joint is provided with a through hole along the axial direction, and the through hole is communicated with the spray pipe.
Further, the mounting seat and the injection direction pointer are both in welded connection with the spray pipe.
Further, the spray direction pointer includes two pointers that are angled with respect to each other.
The invention also provides a device for flushing the high-pressure air flow channel of the aero-engine on the wing, which comprises a flushing device; the special feature is that: the aircraft engine high-pressure air flow channel on-wing flushing tool is characterized by further comprising the aircraft engine high-pressure air flow channel on-wing flushing tool; the flushing device is connected with the inlet end of a spray pipe in the wing cleaning tool, and flushing agent is fed into the spray pipe.
The invention has the beneficial effects that:
1. the flushing tool disclosed by the invention has a simple and compact structure, overcomes the difficulties of narrow space and inconvenient operation faced by an engine in a wing state flushing, and can be used for inserting the injection end of the spray pipe into the high-pressure hole of the engine and accurately positioning the injection direction, and the inlet end of the spray pipe can be quickly connected with a flushing device to realize the cleaning of the engine on the wing, so that the high-pressure air flow channel of the engine can be cleaned at high efficiency in time, and the performance and the reliable operation of the engine are ensured. In the wing cleaning, the engine is not detached from the aircraft, but the engine is mounted on the aircraft.
2. The mounting point is unique (only can be arranged at the high-pressure hole detection position of the engine) when the invention is used, so that the invention can be positioned accurately and is convenient to install; the length of the jet section of the jet pipe can fully cover the high-pressure air flow channel, so that the jet angle and the jet distance can be ensured, and the air inlet channel can be fully covered; the spray pipe is provided with a spray direction pointer, so that the spray angle can be conveniently adjusted, and the use is convenient; the spray pipes and the spray holes on the spray pipes are uniformly distributed, so that the spray is uniform; therefore, the invention can greatly improve the cleaning effect and efficiency.
3. The invention can realize the cleaning of the engine in the wing state and the cleaning of the engine in the non-wing state; the non-wing state refers to a state in which the engine is separated from the aircraft by washing, placed on a dedicated test bed, and debugged into an engine test state.
4. According to the invention, the spherical joint is arranged between the mounting seat and the compression nut, and the compression nut compresses the mounting seat welded with the spray pipe into a whole through the spherical joint so as to ensure that the position of the spray pipe is relatively fixed, and the position direction of the spray pipe is not changed, so that the mounting and positioning of the whole tool are more convenient due to the arrangement of the spherical joint; in addition, because the spherical joint is in line contact with the mounting seat and the compression nut, the installation is more labor-saving.
5. According to the invention, the handle is connected to the compression nut, so that the compression nut can be conveniently screwed, and other tools are not needed during installation.
Drawings
Fig. 1 is an isometric view of an aircraft engine high pressure air flow path in a wing flushing tool of the present invention.
Fig. 2 is a front view of the aircraft engine high pressure air flow channel in the wing flushing tool of the present invention.
Fig. 3 is a left side view of the aircraft engine high pressure air flow channel of the present invention in a wing flushing fixture.
Fig. 4 is a top view of the aircraft engine high pressure air flow channel in-wing flushing tooling of the present invention.
Fig. 5 is a schematic structural view of the mounting base according to the present invention, wherein (a) is a perspective view, (b) is a sectional view, and (c) is a left side view.
Fig. 6 is a schematic structural view of the ball joint according to the present invention, in which (a) is a perspective view, (b) is a sectional view, and (c) is a left side view.
Fig. 7 is a schematic view of the structure of the press-nut of the present invention, wherein (a) is a perspective view, (b) is a sectional view, and (c) is a left side view.
Fig. 8 is a schematic view of the structure of the handle according to the present invention, wherein (a) is a perspective view, (b) is a front view, and (c) is a left side view.
Fig. 9 is a schematic view of the structure of the spray direction pointer in the present invention, wherein (a) is a perspective view, (b) is a front view, and (c) is a right side view.
Fig. 10 is a schematic structural view of the joint according to the present invention, in which (a) is a perspective view, (b) is a front view, and (c) is a left side view.
Fig. 11 is a schematic structural view of the closure according to the present invention, in which (a) is a perspective view, (b) is a front view, and (c) is a left side view.
Fig. 12 is a schematic structural view of the cap according to the present invention, wherein (a) is a perspective view, (b) is a front view, and (c) is a right side view.
FIG. 13 is a schematic representation of the mating relationship of the spout, fitting and nut of the present invention.
FIG. 14 is a schematic view of the mating relationship of the spout, mount, ball joint, compression nut and handle of the present invention.
Reference numerals illustrate:
1-spray pipe, 101-spray hole,
2-mounting seats, 3-spherical joints, 4-compression nuts, 5-handles, 6-spray direction pointers, 7-joints, 8-blocking covers and 9-blocking caps.
Detailed Description
The engine air flow channel is the air flow channel from the engine air inlet to the engine tail nozzle, the high-pressure air flow channel is the air flow channel of the high-pressure compressor of the engine, and the long-term repair test summary shows that: the high-pressure airflow channel and the blades of the engine are flushed, so that the performance of the engine can be effectively improved, and the service life of the engine is ensured. Therefore, the invention provides an aircraft engine high-pressure air flow channel on-wing flushing tool. Before use, only the plug at the high-pressure hole detection port of the aero-engine is required to be separated, and the flushing tool is inserted into the high-pressure hole detection port of the engine, so that the flushing tool is integrally installed on the engine, and conditions are provided for realizing flushing on wings.
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-14, the aeroengine high-pressure air flow channel in-wing flushing tool of the embodiment of the invention comprises a spray pipe 1, a mounting seat 2, a spherical joint 3, a compression nut 4, a handle 5, a spray direction pointer 6, a joint 7, a blocking cover 8 and a blocking cap 9.
The spray pipe 1 is a long pipe and comprises an inlet section, a transmission section and an injection section which are sequentially connected, a blanking cover 8 is arranged at the end part of the injection section, and a plurality of spray holes 101 are uniformly distributed on the side wall of the injection section; the length of the injection section is matched with the length of the high-pressure air flow passage so that the injection hole 101 thereon can fully cover the high-pressure air flow passage to ensure the injection angle and distance.
The mounting seat 2, the spherical joint 3, the compression nut 4 and the injection direction pointer 6 are sequentially sleeved on the spray pipe 1, the mounting seat 2 is closer to the injection section of the spray pipe 1, and a space is reserved between the injection direction pointer 6 and the compression nut 4 along the length direction of the spray pipe 1. The mounting base 2 and the spray direction pointer 6 are both welded to the spray pipe 1 (in other embodiments, other fixed connection methods are also possible). As shown in fig. 5 and 7, the inner hole at the upper end of the mounting seat 2 and the inner hole at the lower end of the compression nut 4 are conical holes, and after the conical holes are buckled up and down, a mounting cavity for mounting the spherical joint 3 is formed together, and the spherical joint 3 is positioned in the mounting cavity formed by the mounting seat 2 and the compression nut 4. Be equipped with the external screw thread on gland nut 4's the lateral wall, this external screw thread and the internal screw thread phase-match of engine high pressure hole visit mouth department, when screwing gland nut 4, can make gland nut 4 and engine high pressure visit mouth threaded connection to can make whole frock fixed mounting on the engine through gland nut 4, thereby can also compress tightly simultaneously through ball joint and link firmly in the mount pad 2 of an organic whole with spray tube 1, thereby make the position orientation of spray tube 1 can not change when rotatory gland nut 4. An ear-shaped handle 5 as shown in fig. 8 is welded on the compression nut 4, and the compression nut 4 can be conveniently screwed through the handle 5.
As shown in fig. 10, a step through hole formed by a large-diameter through hole 701 and a small-diameter through hole 702 is arranged in the middle of the joint 7 along the axial direction, wherein the large-diameter through hole is a connecting hole of the spray pipe 1; the outer side wall of the joint 7 is provided with external threads 703 for mating connection with internal threads on the inner wall of the cap 9 as shown in fig. 12. As shown in fig. 13, the inlet end of the spray pipe 1 is inserted into the connecting hole of the joint 7 to be connected with the same, the blocking cap 9 is installed outside the joint 7, and the step through hole of the joint 7 can be opened or closed by screwing the blocking cap 9, so that the inlet end of the spray pipe 1 is opened or closed, therefore, when the flushing fixture is in a non-use state, dust and the like can be prevented from entering the spray pipe 1 through the blocking cap 9, and when the flushing fixture is needed to be used, the blocking cap 9 is only required to be removed, and the joint 7 is connected with a hose of the flushing device.
The blanking cap 8 is installed at the injection section port of the spray pipe 1, and is used for blocking the injection section port and preventing flushing liquid from flowing out of the injection section port, so that the flushing liquid entering the spray pipe 1 can only be sprayed out from the spraying hole 101 on the side wall of the injection section of the spray pipe 1. The structure of the blanking cover 8 is shown in fig. 11.
As shown in fig. 9, the spraying direction pointer 6 has two pointers perpendicular to each other (in other embodiments, the two pointers may not be perpendicular, so that the spraying direction pointer 6 has a V-shaped structure as a whole) and points to be substantially consistent with the spraying direction of the spraying hole 101 on the spraying pipe 1, so as to ensure that the spraying direction of the spraying hole 101 on the spraying pipe 1 is correct when the flushing fixture of the present invention is installed.
The application method of the flushing tool comprises the following steps:
firstly, a plug at a high-pressure hole detection port of an aeroengine is separated, then an injection section of a spray pipe 1 in the flushing tool is inserted into the high-pressure hole detection port of the engine, the spray pipe 1 is rotated to adjust the direction of an injection direction pointer 6 so as to ensure that the injection position of an injection hole 101 on the spray pipe 1 faces the engine, and a handle 5 is operated to enable a compression nut 4 to be in threaded connection with the high-pressure hole detection port of the engine and screw the compression nut 4.
Secondly, removing the blocking cap 9, connecting and tightening the hose joint of the flushing device with the joint 7;
finally, the flushing device is started, flushing fluid enters the spray pipe from the joint 7 at the inlet end of the spray pipe 1 through a hose and a hose joint of the flushing device, and finally is uniformly sprayed into an engine high-pressure air flow channel through spray holes 101 on the side wall of the spray section of the spray pipe 1 to flush the engine high-pressure air flow channel.
The flushing fixture of the present invention has been described in detail above with reference to specific embodiments shown in the drawings. In other embodiments, some adjustments may be made based on the above embodiments, for example, in some embodiments, a spherical joint between the mounting base and the compression nut may be omitted, and the mounting base may be directly pressed against and compressed by the compression nut, but in this case, the operation is relatively inconvenient compared to the scheme provided with the spherical joint. In other embodiments, the ball joint may be designed as a cylindrical joint, and the compression nut compresses the mounting seat through the cylindrical joint, so that the operation is convenient, but the friction force is relatively large and the operation is more labor-consuming.
Besides the flushing tool in the embodiment, the invention also provides a high-pressure air flow channel on-wing flushing device of the aeroengine, which comprises the flushing tool and a flushing device connected with the flushing tool for cooperation, wherein the flushing device is an existing mature product and is used for feeding flushing liquid into a spray pipe 1 in the flushing tool.
Claims (8)
1. Aeroengine high pressure air current passageway washes frock at wing, its characterized in that: the device comprises a spray pipe, a mounting seat, a compression nut and a spray direction pointer;
the spray pipe comprises an inlet section, a transmission section and a spray section which are sequentially connected, a blocking cover is arranged at the end part of the spray section, and a plurality of spray holes are uniformly distributed on the side wall of the spray section; the length of the injection section is matched with the length of the high-pressure air flow channel, so that the injection hole can fully cover the high-pressure air flow channel;
the mounting seat, the compression nut and the injection direction pointer are sequentially sleeved on the spray pipe, the mounting seat is closer to the injection section of the spray pipe, and the mounting seat and the injection direction pointer are fixedly connected with the spray pipe; the injection direction pointer is used for indicating the injection direction of the injection hole;
the external screw thread which is connected with the internal screw thread of the high-pressure hole detection port of the engine in a matching way is arranged on the outer side wall of the compression nut, the whole flushing tool can be fixedly arranged on the engine by screwing the compression nut, and meanwhile, the installation seat can be compressed, so that the position of the spray pipe is relatively fixed.
2. The aircraft engine high pressure air flow channel in-wing flushing tool of claim 1, wherein: the spherical joint is sleeved outside the spray pipe; the inner hole of mount pad upper end, the inner hole of gland nut lower extreme are the bell mouth, and both lock from top to bottom sets up the back, forms jointly and is used for installing spherical joint's installation cavity, spherical joint is located this installation cavity, gland nut passes through spherical joint compresses tightly the mount pad.
3. The aircraft engine high pressure air flow channel in-wing flushing tool according to claim 1 or 2, wherein: the device also comprises a handle connected with the compression nut, wherein the handle is used for conveniently screwing the compression nut.
4. The aircraft engine high pressure air flow channel in-wing flushing tool of claim 3, wherein: the flushing tool further comprises a blocking cap for blocking the inlet end of the spray pipe when the flushing tool is in a non-working state.
5. The aircraft engine high pressure air flow channel in-wing flushing tool of claim 4, wherein: the device also comprises a joint arranged at the inlet end of the spray pipe; one end of the connector is connected with the inlet end of the spray pipe, and the other end of the connector is in threaded connection with the blocking cap; the middle part of the joint is provided with a through hole along the axial direction, and the through hole is communicated with the spray pipe.
6. The aircraft engine high pressure air flow channel in-wing flushing tool of claim 5, wherein: the mounting seat and the injection direction pointer are both in welded connection with the spray pipe.
7. The aircraft engine high pressure airflow channel in-wing flushing tool of claim 6, wherein: the spray direction pointer comprises two pointers at an angle to each other.
8. An aeroengine high-pressure air flow passage on-wing flushing device comprises a flushing device; the method is characterized in that: the aircraft engine high-pressure air flow channel on-wing flushing tool of any one of claims 1-7; the flushing device is connected with the inlet end of a spray pipe in the wing cleaning tool, and flushing agent is fed into the spray pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211711370.7A CN116213375A (en) | 2022-12-29 | 2022-12-29 | Aeroengine high-pressure air flow channel on-wing flushing tool and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211711370.7A CN116213375A (en) | 2022-12-29 | 2022-12-29 | Aeroengine high-pressure air flow channel on-wing flushing tool and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116213375A true CN116213375A (en) | 2023-06-06 |
Family
ID=86568809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211711370.7A Pending CN116213375A (en) | 2022-12-29 | 2022-12-29 | Aeroengine high-pressure air flow channel on-wing flushing tool and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116213375A (en) |
-
2022
- 2022-12-29 CN CN202211711370.7A patent/CN116213375A/en active Pending
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