Aero-engine blade cleaning device

Abstract

The utility model discloses an aero-engine blade cleaning device which comprises a cleaning tank, a vertical frame is arranged on one side of the cleaning tank, a vertical adjusting mechanism is arranged on the vertical frame, a mounting frame is arranged at the moving end of the vertical adjusting mechanism, a driving assembly is arranged on the mounting frame, and the driving assembly is connected with the cleaning tank. The utility model relates to the technical field of aero-engine blade cleaning, the position of the tenon of a blade to be cleaned is clamped into the positioning clamp on the lower portion of the installation frame, the driving assembly is used for driving the positioning clamp and the blade to rotate synchronously, and the tenon of the blade to be cleaned is clamped into the positioning clamp on the lower portion of the installation frame. In the rotating process, the vertical adjusting mechanism is controlled to push the mounting frame to move downwards, when the blade penetrates through the mounting ring, the pressurization liquid injection assembly pumps out cleaning water in the water tank, the cleaning water is further injected into the annular water guide pipe through the connecting pipe and sprayed to the surface of the blade through the high-pressure jet flow spray head, and therefore all-directional high-pressure flushing of the blade is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aero-engine blade cleaning, in particular to an aero-engine blade cleaning device. BACKGROUND

[0002] Most of the aero-engine turbine blades are castings, and a large number of attachments are generated on the surface due to the machining process flow. Before use, the attachments on the surface can be removed only by the strong impact of high-pressure jet water. The traditional cleaning method is to flush with a handheld nozzle, which is not clean and efficient. The Chinese patent with application number 201921876005.5 discloses an aero-engine turbine blade cleaning positioning clamp. The aero-engine blade is continuously rotated during cleaning, which can effectively improve the cleaning efficiency of the aero-engine blade. However, due to the fixed design of the incident angle and position of the cleaning mechanism, there is a certain cleaning dead angle, and it is difficult to achieve comprehensive cleaning of the blade. In addition, after cleaning is completed, the attached water on the surface of the blade needs to be naturally dried, which takes a long time, especially in a high-humidity or low-temperature environment. More time is needed to wait for the evaporation of water on the surface of the blade, which affects the overall cleaning operation efficiency. In view of the above problems, the present case is produced after in-depth research. SUMMARY

[0003] In view of the deficiencies of the prior art, the present utility model provides an aero-engine blade cleaning device to solve the problems raised in the background art.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: an aero-engine blade cleaning device, comprising a cleaning tank, a stand is arranged on one side of the cleaning tank, a vertical adjustment mechanism is arranged on the stand, a mounting bracket is arranged on the moving end of the vertical adjustment mechanism, a driving assembly is arranged on the mounting bracket, a positioning clamp is mounted on the output end of the driving assembly for clamping the tenon of the aero-engine blade, a water tank is arranged on one side of the cleaning tank, a pressurized liquid injection assembly is connected to one side of the water tank, an installation ring is arranged in the cleaning tank, three groups of annular water guide pipes are arranged in the installation ring, the annular water guide pipes are connected in communication with the pressurized liquid injection assembly through connecting pipes, high-pressure jet nozzles are uniformly arranged on the inner walls of the annular water guide pipes, the high-pressure jet nozzles on adjacent annular water guide pipes are arranged alternately, an annular air guide pipe is arranged above the annular water guide pipes, the annular air guide pipe is connected in communication with a high-pressure air blower through an air inlet pipe, and air injection ports are uniformly arranged on the inner side walls of the annular air guide pipe.

[0005] The vertical adjusting mechanism comprises an electric push rod, guide sleeves and guide columns, the electric push rod is arranged on the cross beam of the stand in the vertical direction and has a telescopic end connected with the mounting frame, the guide sleeves are symmetrically arranged on both sides of the electric push rod, and the guide columns are slidingly inserted into the guide sleeves and have lower ends connected with the mounting frame.

[0006] The pressurizing and liquid injection assembly comprises a pressurizing pump, a liquid supply pipe and a shunt pipe, the liquid inlet end of the pressurizing pump is communicated with the water tank, one end of the liquid supply pipe is communicated with the liquid outlet end of the pressurizing pump, the liquid inlet end of the shunt pipe is communicated with the liquid supply pipe, and the liquid outlet ends of the shunt pipe are respectively communicated with the connecting pipes.

[0007] The liquid outlet end of the shunt pipe is provided with an electromagnetic flow valve.

[0008] The air inlet heating assembly is arranged between the air inlet pipe and the high-pressure fan.

[0009] The air inlet heating assembly comprises an air inlet bin, baffling baffle plates and heating rods, one end of the air inlet bin is connected with the air outlet of the high-pressure fan, the other end is connected with the air inlet pipe, the baffling baffle plates are staggered arranged in the air inlet bin, and the heating rods are arranged between the baffling baffle plates.

[0010] The aviation engine blade cleaning device has the following beneficial effects: the aviation engine blade cleaning device drives the mounting frame to adjust the position in the vertical direction through the vertical adjusting mechanism on the stand, so that the movement of the aviation engine blade to be cleaned in the vertical direction is realized, when in use, the tenon position of the blade to be cleaned is clamped on the positioning clamp in the lower part of the mounting frame, the positioning clamp and the blade are synchronously rotated through the driving assembly, in the rotating process, the vertical adjusting mechanism drives the mounting frame to move downward, when the blade passes through the mounting ring, the pressurizing and liquid injection assembly pumps out the cleaning water in the water tank, and further injects the water into the annular water guide pipe through the connecting pipe and sprays the water to the surface of the blade through the high-pressure jet head, so that the omnidirectional high-pressure flushing of the blade is realized, when the cleaning of the blade is completed, the high-pressure fan is started, and the vertical adjusting mechanism drives the mounting frame to move upward, so that the blade is blown by the high-pressure air flow, and the water on the surface of the blade is rapidly evaporated, so that the overall efficiency of the cleaning operation is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a perspective structural schematic view of the aviation engine blade cleaning device.

[0012] Figure 2 It is an axonometric structural schematic view of the aviation engine blade cleaning device.

[0013] Figure 3 It is a front view cross-sectional structural schematic view of the aviation engine blade cleaning device.

[0014] Figure 4 The utility model discloses a side view cross section structure schematic drawing of aviation engine blade cleaning device.

[0015] Figure 5 The utility model discloses cross section structure schematic drawing of air intake warehouse.

[0016] In the drawing: 1, cleaning tank, 2, vertical frame, 3, mounting frame, 4, drive assembly, 5, positioning fixture, 6, water tank, 7, mounting ring, 8, annular water guide pipe, 9, connecting pipe, 10, high pressure jet nozzle, 11, annular air guide pipe, 12, air inlet pipe, 13, high pressure fan, 14, electric push rod, 15, guide sleeve, 16, guide column, 17, booster pump, 18, liquid supply pipe, 19, shunt pipe, 20, electromagnetic flow valve, 21, air intake warehouse, 22, baffle, 23, heating rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of the utility model.

[0018] Embodiment: combine with the drawing of specification Figures 1-5It can be known that in order to solve the problems of the fixed design of the incidence angle and position of the turbine blade cleaning mechanism in the prior art, the certain cleaning dead angle, the difficulty in realizing the overall cleaning of the blade, and the inability to dry the water on the blade surface after cleaning, a turbine blade cleaning device is specifically designed. A stand 2 is arranged on one side of a cleaning tank 1, a vertical adjusting mechanism is arranged on the stand 2, a mounting frame 3 is arranged on the moving end of the vertical adjusting mechanism, a driving assembly 4 is arranged on the mounting frame 3, a positioning clamp 5 is mounted on the output end of the driving assembly 4 for clamping the tenon of the turbine blade, a water tank 6 is arranged on one side of the cleaning tank 1, a pressurized liquid injection assembly is connected to one side of the water tank 6, an installation ring 7 is arranged in the cleaning tank 1, three groups of annular water guide pipes 8 are arranged in the installation ring 7, the annular water guide pipes 8 are connected in communication with the pressurized liquid injection assembly through connecting pipes 9, high-pressure jet nozzles 10 are uniformly arranged on the inner walls of the annular water guide pipes 8, the high-pressure jet nozzles 10 on adjacent annular water guide pipes 8 are arranged staggered, an annular air guide pipe 11 is arranged above the annular water guide pipes 8, the annular air guide pipe 11 is connected in communication with a high-pressure fan 13 through an air inlet pipe 12, and the inner side wall surface of the annular air guide pipe 11 is uniformly provided with air injection ports. The vertical adjusting mechanism on the stand 2 drives the mounting frame 3 to adjust the position in the vertical direction, so as to realize the movement of the turbine blade to be cleaned in the vertical direction. When in use, the tenon position of the blade to be cleaned is clamped into the positioning clamp 5 at the lower part of the mounting frame 3, the positioning clamp 5 and the blade are synchronously rotated by the driving assembly 4, in the rotating process, the vertical adjusting mechanism pushes the mounting frame 3 downward, when the blade passes through the installation ring 7, the pressurized liquid injection assembly pumps the cleaning water in the water tank 6 out, and further injects the water into the annular water guide pipes 8 through the connecting pipes 9 and sprays the water to the surface of the blade through the high-pressure jet nozzles 10, so as to realize the high-pressure flushing of the blade in all directions. When the blade cleaning is completed, the high-pressure fan 13 is started, and the vertical adjusting mechanism drives the mounting frame 3 to move upward, so as to blow the blade by the high-pressure air flow, so as to evaporate the water attached to the surface of the blade quickly, and greatly improve the overall efficiency of the cleaning operation.

[0019] In the specific implementation process, as a preferred arrangement, the vertical adjusting mechanism includes an electric push rod 14, a guide sleeve 15 and a guide column 16. The electric push rod 14 is arranged on the cross beam of the stand 2 in the vertical direction and connected with the mounting frame 3 at the telescopic end. The guide sleeve 15 is symmetrically arranged on both sides of the electric push rod 14. The guide column 16 is slidingly inserted into the guide sleeve 15 and connected with the mounting frame 3 at the lower end. In use, the electric push rod 14 is used to adjust the position of the mounting frame 3 in the vertical direction, so as to drive the turbine blade on the positioning clamp 5 at the lower part of the mounting frame 3 to move, and cooperate with the cleaning equipment to perform the overall cleaning operation of the blade. The structure is simple and convenient to operate. In addition, the arrangement of the two guide columns 16 can further improve the stability of the mounting frame 3 during the ascending and descending process.

[0020] In the specific implementation process, as the preferred setting, the above-mentioned pressurized liquid injection assembly pressurized pump 17, liquid supply pipe 18 and shunt pipe 19, the liquid inlet end of the pressurized pump 17 is communicated with the water tank 6, one end of the liquid supply pipe 18 is communicated with the liquid outlet end of the pressurized pump 17, the liquid inlet end of the shunt pipe 19 is communicated with the liquid supply pipe 18, and the liquid outlet end is respectively communicated with the connecting pipe 9, wherein the liquid outlet end of the shunt pipe 19 is provided with an electromagnetic flow valve 20, in use, the clean water in the water tank 6 is pumped out by the pressurized pump 17, and is further injected into the shunt pipe 19 through the liquid supply pipe 18, so that the clean water enters the corresponding connecting pipe 9 through the shunt pipe 19, and is further sprayed out through the high-pressure jet nozzle 10 inside the annular water guide pipe 8, realizing the overall cleaning of the aero-engine blade, and the setting of the electromagnetic flow valve 20 can effectively improve the control of the clean water amount.

[0021] In the specific implementation process, as the preferred setting, the above-mentioned pressurized liquid injection assembly pressurized pump 17, liquid supply pipe 18 and shunt pipe 19, the liquid inlet end of the pressurized pump 17 is communicated with the water tank 6, one end of the liquid supply pipe 18 is communicated with the liquid outlet end of the pressurized pump 17, the liquid inlet end of the shunt pipe 19 is communicated with the liquid supply pipe 18, and the liquid outlet end is respectively communicated with the connecting pipe 9, wherein the liquid outlet end of the shunt pipe 19 is provided with an electromagnetic flow valve 20, in use, the clean water in the water tank 6 is pumped out by the pressurized pump 17, and is further injected into the shunt pipe 19 through the liquid supply pipe 18, so that the clean water enters the corresponding connecting pipe 9 through the shunt pipe 19, and is further sprayed out through the high-pressure jet nozzle 10 inside the annular water guide pipe 8, realizing the overall cleaning of the aero-engine blade, and the setting of the electromagnetic flow valve 20 can effectively improve the control of the clean water amount.

[0022] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An aircraft engine blade cleaning apparatus comprising a cleaning tank, characterised in that, The vertical adjusting mechanism comprises an electric push rod, a guide sleeve and a guide column, the electric push rod is arranged on the crossbeam of the stand in the vertical direction and is connected with the mounting frame at the telescopic end, the guide sleeves are symmetrically arranged on the two sides of the electric push rod, and the guide column is slidingly inserted into the guide sleeve and is connected with the mounting frame at the lower end.

2. An aircraft engine blade cleaning device as claimed in claim 1, wherein, The pressurizing liquid injection assembly comprises a pressurizing pump, a liquid supply pipe and a shunt pipe, the liquid inlet end of the pressurizing pump is connected with the water tank, one end of the liquid supply pipe is connected with the liquid outlet end of the pressurizing pump, and the liquid inlet end of the shunt pipe is connected with the liquid supply pipe and the liquid outlet end thereof is connected with the connecting pipe.

3. An aircraft engine blade cleaning device as claimed in claim 1, wherein, The liquid outlet end of the shunt pipe is provided with an electromagnetic flow valve.

4. An aircraft engine blade cleaning device as claimed in claim 3, wherein, An air inlet heating assembly is arranged between the air inlet pipe and the high-pressure fan.

5. An aircraft engine blade cleaning device as claimed in claim 1, wherein, The air inlet heating assembly comprises an air inlet bin, baffling baffle plates and heating rods, one end of the air inlet bin is connected with the air outlet of the high-pressure fan, the other end is connected with the air inlet pipe, the baffling baffle plates are arranged in the air inlet bin in a staggered manner, and the heating rods are arranged between the baffling baffle plates.

6. An aircraft engine blade cleaning device as claimed in claim 5, wherein, ​

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