Automatic cleaning device for engine on helicopter

Abstract

The utility model relates to the technical field of helicopter cleaning devices, in particular to an automatic cleaning device for an engine on a helicopter, which comprises a cleaning fluid barrel, cleaning fluid is contained in the cleaning fluid barrel, and the cleaning fluid barrel is communicated with an inlet of a plunger pump through a first flexible water pipe. An outlet of the plunger pump communicates with a hollow cleaning disc through a second flexible water pipe, a plurality of nozzles are detachably installed on one side of the cleaning disc, and a fixing device used for installing the cleaning disc on an engine protective cover is arranged on the cleaning disc. The plunger pump presses cleaning liquid into the cleaning disc from the cleaning liquid barrel through pressure, the cleaning liquid is atomized and sprayed out through the nozzles, the cleaning liquid can be evenly adsorbed to engine blades, the fixing device can ensure that the cleaning disc is fixed to a protective cover of an engine, the nozzles are designed to be detachable, nozzles with different calibers can be conveniently replaced, and the cleaning efficiency is improved. Different flows and atomization states are achieved; the cleaning device is high in cleaning efficiency, good in cleaning effect, safe and convenient to use and convenient to store and transfer.

Description

Technical Field

[0001] The utility model relates to the technical field of helicopter cleaning devices, in particular to an automatic cleaning device for an engine on a helicopter. Background Art

[0002] During operation, helicopter engine blades will accumulate dust, sand, pollutant particles in the air, soot, salt spray, insect and bird remains, etc. These accumulations will change the aerodynamic shape, thereby reducing engine efficiency and increasing fuel consumption. At the same time, they will also cause blade corrosion and accelerated aging, bringing hidden dangers to the engine. Therefore, it is very necessary to clean the helicopter engine blades.

[0003] The cleaning process is usually carried out with hot water and special detergents, which can effectively remove dirt and accumulation on the blades, restore the aerodynamic shape of the blades, improve engine efficiency, reduce fuel consumption, and extend the service life of the engine. Especially in areas with more sandy environments, such as Xinjiang, due to strong winds and sand, there will be micro-particles attached to the blades, and regular cleaning is needed to maintain engine performance.

[0004] Previously, maintenance staff needed to clean the engine blades regularly. They did this by manually scooping a small amount of cleaning fluid, aiming it at the engine port, and pouring it in little by little. This had to be repeated many times, which was time-consuming and laborious. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an automatic cleaning device for helicopter engines which has high cleaning efficiency, good cleaning effect, saves the working time of maintenance personnel, is safe and convenient to use, and is easy to store and transfer.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: an automatic cleaning device for an engine on a helicopter, comprising a cleaning liquid barrel, wherein the cleaning liquid barrel is filled with cleaning liquid, the cleaning liquid barrel is connected to the inlet of a plunger pump through a first flexible water pipe, and the outlet of the plunger pump is connected to a hollow cleaning disc through a second flexible water pipe, a plurality of nozzles are detachably mounted on one side of the cleaning disc, and a fixing device for mounting it on an engine protective cover is provided on the cleaning disc.

[0007] As a preferred technical solution, the cleaning disk is a cleaning ring, the cleaning ring has a hollow structure, and the nozzles are evenly distributed and detachably mounted on one side of the cleaning disk.

[0008] As a preferred technical solution, the fixing device includes a plurality of side claws installed on the outer periphery of the cleaning disc, the ends of the side claws are bent toward the direction of the nozzle to form a mounting plate, the mounting plate is provided with a plurality of mounting holes, and bolts are installed in the mounting holes.

[0009] As a preferred technical solution, there are three side claws, which are arranged at intervals of 120°.

[0010] As a preferred technical solution, the bolt is a hand-tightened bolt, a steel wire rope is passed through the head of the hand-tightened bolt, and the end of the steel wire rope is riveted to the side claw.

[0011] As a preferred technical solution, it also includes a pipe collector for receiving the second flexible water pipe.

[0012] As a preferred technical solution, it also includes a trolley, and the cleaning liquid barrel, the plunger pump and the tube collector are all placed on the trolley.

[0013] Due to the adoption of the above technical scheme, an automatic cleaning device for helicopter engines includes a cleaning liquid barrel, the cleaning liquid barrel contains cleaning liquid, the cleaning liquid barrel is connected to the inlet of a plunger pump through a first flexible water pipe, the outlet of the plunger pump is connected to a hollow cleaning disc through a second flexible water pipe, a plurality of nozzles are detachably installed on one side of the cleaning disc, and a fixing device for mounting it on the engine protective cover is provided on the cleaning disc; the beneficial effect of the utility model is that the plunger pump presses the cleaning liquid from the cleaning liquid barrel into the cleaning disc by pressure, the cleaning disc is a hollow structure, and the cleaning liquid is sprayed out through the nozzle in atomization, when the helicopter engine rotates at a low speed, the cleaning liquid can be evenly adsorbed onto the engine blades for a period of time, and the internal blades of the engine can be effectively cleaned. The fixing device can ensure that the cleaning disc is fixed on the protective cover of the engine, and will not be sucked into the engine and damage the engine, and provide stable fixation and support for the cleaning disc. The detachable design of the nozzle can facilitate the replacement of nozzles of different calibers to achieve different flow rates and atomization states. The utility model has high cleaning efficiency and good cleaning effect, saves the working time of maintenance personnel, is safe and convenient to use, and is easy to store and transfer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the present invention.

[0015] Figure 1 It is a structural schematic diagram of an automatic cleaning device for helicopter engines according to the utility model;

[0016] Figure 2 yes Figure 1 A partial enlarged view of point I in the middle;

[0017] Figure 3 yes Figure 1 A partial enlarged view of the middle II;

[0018] Figure 4 The utility model is a use effect diagram of the automatic cleaning device for helicopter engine.

[0019] In the figure: 1-cleaning liquid barrel; 2-first flexible water pipe; 3-second flexible water pipe; 4-cleaning plate; 5-nozzle; 6-plunger pump; 7-fixing device; 71-side claw; 72-mounting plate; 73-mounting hole; 74-hand-tightening bolt; 8-tube collector; 9-trolley. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and examples. In the following detailed description, only certain exemplary embodiments of the present invention are described by way of illustration. Needless to say, those skilled in the art will recognize that the described embodiments may be modified in various ways without departing from the spirit and scope of the present invention. Therefore, the drawings and descriptions are illustrative in nature and are not intended to limit the scope of protection of the claims.

[0021] like Figures 1 to 4 As shown in common, an automatic cleaning device for helicopter engines includes a cleaning liquid barrel 1, the cleaning liquid barrel 1 contains cleaning liquid, the cleaning liquid barrel 1 is connected to the inlet of a plunger pump 6 through a first flexible water pipe 2, the outlet of the plunger pump 6 is connected to a hollow cleaning disc 4 through a second flexible water pipe 3, a plurality of nozzles 5 are detachably mounted on one side of the cleaning disc 4, and a fixing device 7 for mounting it on the engine protective cover is provided on the cleaning disc 4; the beneficial effect of the utility model is that the plunger pump 6 presses the cleaning liquid from the cleaning liquid barrel 1 into the cleaning disc 4 by pressure, the cleaning disc 4 is a hollow structure, and the cleaning liquid is sprayed out through the nozzle 5 in atomization, when the helicopter engine rotates at a low speed, the cleaning liquid can be uniformly adsorbed on the engine blades for a period of time, and the internal blades of the engine can be effectively cleaned. The fixing device 7 can ensure that the cleaning disc 4 is fixed on the protective cover of the engine, and will not be sucked into the engine and damage the engine, and provide stable fixation and support for the cleaning disc 4. The nozzle 5 is detachable, which can facilitate the replacement of nozzles 5 of different calibers to achieve different flow rates and atomization states. The utility model has high cleaning efficiency and good cleaning effect, saves the working time of maintenance personnel, is safe and convenient to use, and is easy to store and transfer.

[0022] like Figure 1 and Figure 2As shown in the figure, the cleaning disk 4 is a cleaning ring, and the cleaning ring is a hollow structure, and the nozzles 5 are evenly distributed and detachably installed on one side of the cleaning disk 4. The cleaning disk 4 is a cleaning ring, which is the best technical solution, because the end cover of the engine is also circular, and the nozzles 5 evenly distributed on the cleaning ring can evenly spray the cleaning liquid into the engine. Of course, the cleaning disk 4 can also be a square disk or a disk of other shapes, as long as its internal hollow structure is convenient for conveying the cleaning liquid to the nozzles 5. In this embodiment, eight nozzles 5 are provided, and other numbers can also be provided according to the use requirements, all within the protection scope of the utility model.

[0023] like Figure 1 and Figure 2 As shown together, the fixing device 7 includes a plurality of side claws 71 installed on the outer periphery of the cleaning disc 4, and a mounting plate 72 is bent at the end of the side claw 71 toward the direction of the nozzle 5. The mounting plate 72 is provided with a plurality of mounting holes 73, and bolts are installed in the mounting holes 73. The side claw 71 is a rectangular plate-shaped structure, and one end of the side claw 71 is fixedly installed on the outer periphery of the cleaning disc 4. The bent mounting plate 72 is provided with a plurality of mounting holes 73, and the engine protective cover is also provided with a plurality of threaded holes accordingly. The bolts pass through the appropriate mounting holes 73 and are threadedly installed in the threaded holes to fix the cleaning disc 4 to the engine protective cover.

[0024] like Figure 1 and Figure 2 As shown in the figure, there are three side claws 71, which are arranged at intervals of 120 degrees. The number of side claws 71 is preferably three, and three side claws 71 are sufficient to firmly fix the cleaning plate 4 on the engine protective cover. Other numbers of side claws 71 are also acceptable as long as they can achieve firm fixation. The three side claws 71 are evenly installed to improve the stability of the installation.

[0025] like Figure 1 and Figure 2 As shown in the figure, the bolt is a hand-tightening bolt 74, and a steel wire rope is inserted through the head of the hand-tightening bolt 74, and the end of the steel wire rope is riveted to the side claw 71. The head of the hand-tightening bolt 74 is relatively large, which is convenient for the maintenance personnel to operate with bare hands, and the rubber of the head of the hand-tightening bolt 74 is convenient for punching holes to install the steel wire rope. The steel wire rope pulls the hand-tightening bolt 74 to prevent it from falling off and being sucked into the engine, causing damage to the engine. The steel wire rope is not shown in the figure because its structure and connection relationship are well known.

[0026] like Figure 1 and Figure 3 As shown in common, it also includes a tube collector 8 for collecting the second flexible water pipe 3. The tube collector 8 is convenient for collecting the second flexible water pipe 3, and the tube collector 8 can be manual or electric, without limitation.

[0027] like Figure 1 and Figure 2As shown in the figure, a trolley 9 is also included, and the cleaning liquid barrel 1, the plunger pump 6 and the tube collector 8 are all placed on the trolley 9. The trolley 9 stores the cleaning liquid barrel 1, the plunger pump 6 and the tube collector 8 in a unified manner, which is convenient for the maintenance personnel to move them as a whole and clean different helicopters, saving time and effort.

[0028] The utility model has high cleaning efficiency and good cleaning effect, saves the working time of maintenance personnel, is safe and convenient to use, and is easy to store and transfer.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An automatic cleaning device for helicopter engines, characterized in that: The invention comprises a cleaning liquid barrel (1), wherein the cleaning liquid barrel (1) contains cleaning liquid, the cleaning liquid barrel (1) is connected to the inlet of a plunger pump (6) through a first flexible water pipe (2), the outlet of the plunger pump (6) is connected to a hollow cleaning disc (4) through a second flexible water pipe (3), a plurality of nozzles (5) are detachably mounted on one side of the cleaning disc (4), and a fixing device (7) for mounting the cleaning disc (4) on an engine protective cover is provided on the cleaning disc (4).

2. The automatic cleaning device for helicopter engine according to claim 1, characterized in that: The cleaning disk (4) is a cleaning ring having a hollow structure inside, and the nozzles (5) are evenly distributed and detachably mounted on one side of the cleaning disk (4).

3. The automatic cleaning device for helicopter engine according to claim 2, characterized in that: The fixing device (7) comprises a plurality of side claws (71) mounted on the outer periphery of the cleaning disc (4); a mounting plate (72) is formed at the end of the side claws (71) in a direction toward the nozzle (5); a plurality of mounting holes (73) are provided on the mounting plate (72); bolts are installed in the mounting holes (73).

4. The automatic cleaning device for helicopter engine according to claim 3, characterized in that: The side claws (71) are provided with three, which are arranged at intervals of 120°.

5. The automatic cleaning device for helicopter engine according to claim 3, characterized in that: The bolt is a hand-tightened bolt (74), a steel wire rope is passed through the head of the hand-tightened bolt (74), and the end of the steel wire rope is riveted to the side claw (71).

6. The automatic cleaning device for helicopter engine according to claim 1, characterized in that: It also includes a tube receiver (8) for receiving the second flexible water tube (3).

7. The automatic cleaning device for helicopter engine according to claim 6, characterized in that: It also includes a trolley (9), on which the cleaning liquid barrel (1), the plunger pump (6) and the tube collector (8) are all placed.

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