Deep hole cleaning device for air cylinder body of aero-engine

Abstract

The invention belongs to the field of engine cleaning, and particularly relates to an aero-engine cylinder body deep hole cleaning device which comprises a base, a supporting column is fixedly mounted on one side of the top of the base, a sliding cavity is formed in one side wall of the supporting column, a driving assembly is mounted in the sliding cavity, and a transverse plate is mounted on one side wall of the supporting column; a fixing box is fixedly installed at the bottom of the transverse plate, a vertical pipe penetrates through the bottom of an inner cavity of the fixing box, and the outer wall of the vertical pipe fixedly communicates with a plurality of evenly-distributed nozzle assemblies. According to the deep hole cleaning device, gas is generated through the gas pump and enters the vertical pipes, then the gas is guided out through the nozzle assembly to blow the inner wall of the deep hole, dry ice is mixed into the gas, cleaning is conducted through the dry ice, and therefore the deep hole cleaning effect can be improved, the gas can be blown to the surfaces of the blades when entering the vertical pipes, and the cleaning efficiency is improved. And therefore, the vertical pipe can be rotated when the nozzle assembly is used for spraying out gas for cleaning, and the gas sprayed out of the nozzle assembly uniformly acts on the inner wall of the deep hole.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of engine cleaning, in particular to an aero-engine cylinder body deep hole cleaning device. BACKGROUND

[0002] Aviation refers to the navigation activities of aircraft in the earth's atmosphere, and covers multiple links from design, manufacturing to operation and maintenance, and is an important field of modern science and technology and industry.

[0003] The aero-engine is a core power device of the airplane, and the performance of the aero-engine directly determines the flight capability, economy and reliability of the airplane.

[0004] The deep hole cleaning of the aero-engine is a key link for ensuring the performance and reliability of the aero-engine, and various dirt such as metal oxide, oil stain, carbon deposit and paint may be attached to the inner wall of the deep hole, so that the deep hole needs to be cleaned; during the cleaning, a corresponding deep hole cleaning device needs to be used; In actual use, the existing deep hole cleaning device is mostly a simple long pipe plus a spray head, and then the long pipe and the spray head are inserted into the deep hole, and then the spray head is used to spray and clean the inner wall of the deep hole; however, the uniformity of the spraying and impact of the spray head on the inner wall of the deep hole is poor, so that the deep hole cleaning effect is poor. Therefore, a new technical scheme needs to be designed to solve the problem. SUMMARY

[0005] The application aims to provide an aero-engine cylinder body deep hole cleaning device, which solves the problem in the background art.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: an aero-engine cylinder body deep hole cleaning device, comprising a base, a support is fixedly installed on the top side of the base, a sliding cavity is formed in one side wall of the support, a driving assembly is installed in the sliding cavity, and a horizontal plate is installed on one side wall of the support; A fixed box is fixedly installed at the bottom of the horizontal plate, a vertical pipe penetrates the bottom of the inner cavity of the fixed box, a plurality of uniformly distributed nozzle assemblies are fixedly communicated with the outer wall of the vertical pipe; A gas pump and a dry ice box are fixedly installed on the other side wall of the support, a first conduit is fixedly communicated with the output end of the gas pump, the outer end of the first conduit and one side wall of the dry ice box are fixedly communicated, the other side wall of the dry ice box is fixedly communicated with a second conduit, the outer end of the second conduit and the lower side of one side wall of the fixed box are fixedly communicated, and a plurality of uniformly distributed blades are fixedly installed on the upper side of the outer wall of the vertical pipe.

[0007] By adopting the technical scheme, the device is first transferred to the engine position, then the engine is rotated to the deep hole opening upward through the engine maintenance carrier, then the tail end of the vertical pipe is aligned with the deep hole, then the driving assembly is used to drive the horizontal plate to descend, so that the vertical pipe is inserted into the deep hole, at this time the air pump is started to generate gas, the gas enters the dry ice box along the first conduit, then the dry ice is mixed into the gas, then the gas enters the fixed box cavity along the second conduit, first the blade is retracted to form an impact, so that the vertical pipe rotates, then the gas enters the vertical pipe cavity and is guided out along the nozzle assembly, so that the vertical pipe can rotate after entering the deep hole, so that the gas uniformly blows and impacts the inner wall of the deep hole, thereby improving the cleaning effect.

[0008] As a preferred embodiment of the present application, the driving assembly comprises a lead screw motor, the lead screw motor is fixedly installed at the bottom of the sliding cavity, the transmission shaft of the lead screw motor is fixedly connected with a lead screw at the outer end, the outer end of the lead screw is rotatably connected with the inner wall of the sliding cavity, and the outer wall of the lead screw is sleeved with a matched lead screw slider, and the outer wall of the lead screw slider is fixedly connected with the horizontal plate.

[0009] By adopting the technical scheme, the lead screw motor can drive the lead screw to rotate, so as to drive the lead screw slider to descend, thereby driving the horizontal plate to descend, so as to drive the vertical pipe to descend and insert into the deep hole for cleaning.

[0010] As a preferred embodiment of the present application, the nozzle assembly comprises a fixed shell, a strip-shaped hole is formed in the outer wall of the fixed shell, the fixed shell is fixedly connected with the vertical pipe, a first through hole is formed in the inner wall of the vertical pipe corresponding to the fixed shell, the first through hole extends into the inner cavity of the fixed shell, and the inner cavity of the fixed shell is provided with a wind guide assembly.

[0011] By adopting the technical scheme, the gas in the vertical pipe enters the inner cavity of the fixed shell along the first through hole, and is guided out along the strip-shaped hole in the outer wall of the fixed shell, so as to blow to the inner wall of the deep hole and clean the inner wall of the deep hole. When the vertical pipe drives the fixed shell to rotate axially for uniform blowing, the wind guide assembly can alternately guide the gas guided out of the strip-shaped hole vertically up and down, so as to improve the effect of impact cleaning of the inner wall of the deep hole, realize multi-directional impact cleaning, and improve the effect of removing stains.

[0012] As a preferred embodiment of the present application, the air guide assembly comprises a plurality of short shafts, the inner wall of the fixed shell is uniformly rotatably installed with the plurality of short shafts, the outer wall of the short shaft is fixedly sleeved with a torsional spring at one end, the outer wall of the short shaft is fixedly sleeved with an air baffle, the inner wall of the fixed shell is provided with a movable rod near the side of the vertical pipe, the movable rod is movably connected with the air baffle, one side wall of the movable rod is fixedly connected with a shell, the shell is attached to the inner wall of the fixed shell, the lower side of the inner wall of the vertical pipe is provided with a second through hole, the second through hole is opposite to the shell, the inner wall of the fixed shell is fixedly installed with a plug, the plug is inserted into the hole formed in one side wall of the shell.

[0013] By adopting the above technical scheme, the gas is guided out along the second through hole, thereby impacting the inner cavity of the shell, so that the shell moves as the gas is pressurized, thereby driving the movable rod to move, so that the movable rod can drive the air baffle to rotate, and the torsional spring is energized, thereby achieving the redirection of the gas in the longitudinal direction. When the shell moves to the point where the plug is separated from the shell, the gas in the shell is guided out along the plug hole at this time, thereby achieving pressure relief, so that the shell resets, thereby driving the movable rod to move back, and the torsional spring releases energy when moving back, so that the movable rod and the shell reset accurately, and then the reciprocating movement is repeated, thereby achieving the upward and downward air guiding of the gas in the longitudinal direction. In turn, it is beneficial to realize multi-directional blowing and cleaning of the inner wall of the deep hole, thereby facilitating the improvement of the deep hole cleaning effect.

[0014] As a preferred embodiment of the present application, the two ends of the movable rod are provided with cavities, and a limiting rod is movably inserted into the cavity.

[0015] By adopting the above technical scheme, the limiting rod is used to limit the movement track of the movable rod, thereby facilitating the improvement of the stability of the movement of the movable rod.

[0016] As a preferred embodiment of the present application, one end of the air baffle is hingedly connected with a telescopic rod, and the outer end of the telescopic rod is hingedly connected with the movable rod.

[0017] By adopting the above technical scheme, the telescopic rod is provided, so that when the movable rod moves to drive the air baffle to rotate, the telescopic rod can be telescoped, thereby satisfying the distance compensation of the movement of the air baffle.

[0018] As a preferred embodiment of the present application, the width of the air baffle is greater than the width of the strip-shaped hole.

[0019] As a preferred embodiment of the present application, the outer wall of the support column is fixedly installed with a handle at the upper side.

[0020] As a preferred embodiment of the present application, the bottom of the base is fixedly provided with lockable universal wheels at four corners.

[0021] Compared with the prior art, the present application has the following advantages: The gas generated by the gas pump enters the vertical pipe, and then the gas is guided out by the nozzle assembly to blow the inner wall of the deep hole. Dry ice is mixed in the gas to clean, which helps to improve the cleaning effect of the deep hole. The gas enters the vertical pipe to blow the surface of the blade, which can drive the vertical pipe to rotate. When the gas is sprayed out by the nozzle assembly for cleaning, the vertical pipe rotates, so that the gas sprayed by the nozzle assembly uniformly acts on the inner wall of the deep hole, which helps to improve the cleaning effect. When the gas enters the nozzle assembly and is guided out along the strip-shaped hole on the outer wall of the fixed shell, the gas can also push the shell to move. When the shell moves to the insertion block and separates from the shell, the gas will be guided out along the hole, so that the shell resets. When the shell moves to one side, it pushes the air deflector to move to one side. When the shell resets, the air deflector moves to the other side, so that the gas can be guided up and down in the longitudinal direction, which helps to realize multi-directional blowing and cleaning of the inner wall of the deep hole, thereby improving the cleaning effect of the deep hole. BRIEF DESCRIPTION OF DRAWINGS

[0022] Other features, objects and advantages of the present application will become more apparent after reading the detailed description of non-limiting embodiments with reference to the following drawings: Figure 1 It is a first overall structure schematic diagram of an aviation engine cylinder block deep hole cleaning device of the present application. Figure 2 It is a fixed box inner cavity structure schematic diagram of an aviation engine cylinder block deep hole cleaning device of the present application. Figure 3 It is a second overall structure schematic diagram of an aviation engine cylinder block deep hole cleaning device of the present application. Figure 4 It is a vertical pipe and nozzle assembly structure schematic diagram of an aviation engine cylinder block deep hole cleaning device of the present application. Figure 5 It is an enlarged structure schematic diagram of A of an aviation engine cylinder block deep hole cleaning device of the present application. Figure 6 It is an enlarged structure schematic diagram of B of an aviation engine cylinder block deep hole cleaning device of the present application.

[0023] In the drawings: 1, base; 11, lockable universal wheel; 12, gas pump; 13, dry ice box; 14, first conduit; 2, support; 21, screw motor; 22, screw rod; 23, screw slide; 24, cross plate; 25, handle; 3, fixed box; 31, vertical pipe; 32, first through hole; 33, second through hole; 34, blade; 4, fixed shell; 41, short shaft; 42, air deflector; 43, movable rod; 44, limiting rod; 45, telescopic rod; 46, shell; 47, plug. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all.

[0025] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances, and the model of the electric appliance provided in the present application is only for reference, and different models of electric appliances with the same function can be replaced according to the actual use situation.

[0027] Please refer to Figures 1-6 The present application provides a technical scheme: an aero-engine cylinder block deep hole cleaning device, comprising a base 1, a support 2 is fixedly installed on one side of the top of the base 1, a sliding cavity is formed in one side wall of the support 2, a driving assembly is installed in the sliding cavity, and a cross plate 24 is installed on one side wall of the support 2; A fixed box 3 is fixedly installed on the bottom of the cross plate 24, a vertical pipe 31 penetrates the bottom of the inner cavity of the fixed box 3, and a plurality of uniformly distributed nozzle assemblies are fixedly communicated on the outer wall of the vertical pipe 31; A gas pump 12 and a dry ice box 13 are fixedly installed on the other side wall of the support 2, a first conduit 14 is fixedly communicated with the output end of the gas pump 12, the outer end of the first conduit 14 and one side wall of the dry ice box 13 are fixedly communicated, the other side wall of the dry ice box 13 is fixedly communicated with a second conduit, the outer end of the second conduit and the lower side of one side wall of the fixed box 3 are fixedly communicated, and a plurality of uniformly distributed blades 34 are fixedly installed on the upper side of the outer wall of the vertical pipe 31.

[0028] It should be understood that in actual use, first, the device is transferred to the engine position, then the engine is rotated to the deep hole opening upward through the engine maintenance carrier, then the tail end of the vertical pipe 31 is aligned with the deep hole, then the driving assembly is used to drive the horizontal plate 24 to descend, so that the vertical pipe 31 is inserted into the deep hole, at this time the air pump 12 is started to generate gas, the gas enters the dry ice tank 13 along the first conduit 14, then the dry ice is mixed into the gas, then the gas enters the fixed box 3 cavity along the second conduit, first, the blade 34 forms an impact, so that the vertical pipe 31 rotates, then the gas enters the vertical pipe 31 cavity and is guided out along the nozzle assembly, so that the vertical pipe 31 can rotate after entering the deep hole, so that the gas uniformly blows and impacts the inner wall of the deep hole, thereby improving the cleaning effect.

[0029] Further, the bottom of the base 1 is fixedly installed with lockable universal wheels 11 at the four corners, the lockable universal wheels 11 are arranged to make the device move conveniently and quickly.

[0030] Further, the outer wall of the support column 2 is fixedly installed with a handle 25, the handle 25 is arranged to facilitate pushing the device to move by hand.

[0031] As shown in Figure 1 and 2 , the driving assembly includes a lead screw motor 21 fixedly installed in the sliding cavity, the transmission shaft of the lead screw motor 21 is fixedly connected with a lead screw 22 at the outer end, the outer end of the lead screw 22 is rotatably connected with the inner wall of the sliding cavity, and the outer wall of the lead screw 22 is sleeved with a matched lead screw block 23, and the outer wall of the lead screw block 23 is fixedly connected with the horizontal plate 24. It should be understood that the lead screw motor 21 can drive the lead screw 22 to rotate, so as to drive the lead screw block 23 to descend, thereby driving the horizontal plate 24 to descend, so as to realize the descent of the vertical pipe 31, and then realize the insertion into the deep hole for cleaning.

[0032] As shown in Figure 1 and 2 , the nozzle assembly includes a fixed shell 4, the outer wall of the fixed shell 4 is provided with a strip-shaped hole, the fixed shell 4 is fixedly connected with the vertical pipe 31, the inner wall of the vertical pipe 31 is provided with a first through hole 32 corresponding to the fixed shell 4, the first through hole 32 extends into the inner cavity of the fixed shell 4, and the inner cavity of the fixed shell 4 is provided with an air guide assembly. It should be understood that in actual use, after the gas in the vertical pipe 31 enters the inner cavity of the fixed shell 4 along the first through hole 32, it can be guided out along the strip-shaped hole on the outer wall of the fixed shell 4, thereby realizing blowing to the inner wall of the deep hole and cleaning the inner wall of the deep hole. When the fixed shell 4 is axially rotated by the vertical pipe 31 to uniformly blow, the air guiding assembly can alternately guide the gas guided out of the strip-shaped hole longitudinally up and down, thereby facilitating the impact cleaning effect on the inner wall of the deep hole and realizing multi-directional impact cleaning, which is beneficial to improve the effect of removing stains.

[0033] As shown in Figure 4 and Figure 5 、 Figure 6 ; the air guiding assembly comprises a plurality of short shafts 41, the plurality of short shafts 41 are uniformly rotatably installed on the inner wall of the fixed shell 4, one end of the outer wall of the short shaft 41 is fixedly sleeved with a torsional spring, the outer wall of the short shaft 41 is fixedly sleeved with an air deflector 42, the inner cavity of the fixed shell 4 is provided with a movable rod 43 near the vertical pipe 31, the movable rod 43 is movably connected with the air deflector 42, one side wall of the movable rod 43 is fixedly connected with a shell 46, the shell 46 is attached to the inner wall of the fixed shell 4, the inner wall of the vertical pipe 31 is provided with a second through hole 33 on the lower side, the second through hole 33 is opposite to the shell 46, the inner wall of the fixed shell 4 is fixedly installed with a plug 47, the plug 47 is inserted into the hole provided on one side wall of the shell 46.

[0034] It should be understood that in actual use, the gas will be guided out along the second through hole 33, thereby impacting the inner cavity of the shell 46, so that the shell 46 will move as the gas is pressurized, thereby driving the movable rod 43 to move, so that the movable rod 43 can drive the air deflector 42 to rotate, and the torsional spring is energized, thereby redirecting the gas in the longitudinal direction. When the shell 46 moves to the plug 47 and the shell 46 is separated, the gas in the shell 46 is guided out along the jack, thereby realizing pressure relief, so that the shell 46 will reset, thereby driving the movable rod 43 to move back, and the torsional spring releases energy when moving back, so that the movable rod 43 and the shell 46 reset accurately, and then repeatedly move back and forth, thereby realizing upward and downward air guiding of the gas in the longitudinal direction, thereby facilitating multi-directional blowing and cleaning of the inner wall of the deep hole, thereby facilitating improvement of the deep hole cleaning effect.

[0035] Further, cavities are provided on both ends of the movable rod 43, a limiting rod 44 is movably inserted into the cavity, the outer end of the limiting rod 44 is fixedly connected with the inner wall of the fixed shell 4, and the limiting rod 44 is used to limit the movement track of the movable rod 43, thereby facilitating improvement of the stability of the movement of the movable rod 43.

[0036] Further, one end of the air deflector 42 is hinged with a telescopic rod 45, the outer end of the telescopic rod 45 is hinged with the movable rod 43, the telescopic rod 45 is arranged so that when the movable rod 43 is moved to drive the air deflector 42 to rotate, the telescopic rod 45 can be telescoped to compensate for the moving distance of the air deflector 42, and the telescopic rod 45 is specifically composed of a sleeve and a plug rod.

[0037] It is worth mentioning that the width of the air deflector 42 is greater than the width of the strip-shaped hole, so that the wind flowing along the strip-shaped hole can be fully redirected, thereby improving the redirection effect.

[0038] In addition, the aviation engine cylinder block deep hole cleaning device comprises components that are general standard components or components known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through conventional experimental methods. During the idle state of the device, all electrical components, including power elements, electrical components, and compatible monitoring computers and power supplies, are connected through wires. The sequence of the electrical components is completed through electrical connection. The detailed connection method is a known technology in the field. The working principle and process are described below, and the electrical control is not described.

[0039] For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0040] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. A deep hole cleaning device for an aircraft engine cylinder block, comprising a base (1), characterized in that: A support column (2) is fixedly installed on one side of the top of the base (1). A sliding cavity is opened on one side wall of the support column (2). A drive assembly is installed in the sliding cavity. A horizontal plate (24) is installed on one side wall of the support column (2). A fixed box (3) is fixedly installed at the bottom of the horizontal plate (24). A vertical tube (31) passes through the bottom of the inner cavity of the fixed box (3). A plurality of evenly distributed nozzle assemblies are fixedly connected to the outer wall of the vertical tube (31). An air pump (12) and a dry refrigerator (13) are fixedly installed on the other side wall of the support column (2). The output end of the air pump (12) is fixedly connected to a first conduit (14). The outer end of the first conduit (14) is fixedly connected to one side wall of the dry refrigerator (13). The other side wall of the dry refrigerator (13) is fixedly connected to a second conduit. The outer end of the second conduit is fixedly connected to the lower side of one side wall of the fixed box (3). Multiple evenly distributed blades (34) are fixedly installed on the upper side of the outer wall of the vertical pipe (31).

2. The deep hole cleaning device for aero-engine cylinder blocks according to claim 1, characterized in that: The drive assembly includes a lead screw motor (21), which is fixedly installed at the bottom of the inner cavity of the sliding cavity. A lead screw (22) is fixedly connected to the outer end of the drive shaft of the lead screw motor (21). The outer end of the lead screw (22) is rotatably connected to the inner wall of the sliding cavity. A matching lead screw slider (23) is fitted on the outer wall of the lead screw (22). The outer wall of the lead screw slider (23) is fixedly connected to the cross plate (24).

3. The deep hole cleaning device for aero-engine cylinder blocks according to claim 1, characterized in that: The nozzle assembly includes a fixed shell (4), the outer wall of which is provided with a strip-shaped hole. The fixed shell (4) and the vertical pipe (31) are fixedly connected. The inner wall of the vertical pipe (31) is provided with a first through hole (32) corresponding to the fixed shell (4). The first through hole (32) extends into the inner cavity of the fixed shell (4). The inner cavity of the fixed shell (4) is provided with an air guide assembly.

4. The deep hole cleaning device for aero-engine cylinder blocks according to claim 3, characterized in that: The air guide assembly includes a short shaft (41), and there are multiple short shafts (41). The multiple short shafts (41) are evenly rotated and installed on the inner wall of the fixed shell (4). A torsion spring is fixedly fitted on one end of the outer wall of the short shaft (41). An air guide plate (42) is fixedly fitted on the outer wall of the short shaft (41). A movable rod (43) is provided on the side of the inner cavity of the fixed shell (4) near the vertical pipe (31). The movable rod (43) and the air guide plate (42) are movably connected. A shell (46) is fixedly connected to one side wall of the movable rod (43). The shell (46) fits against the inner wall of the fixed shell (4). A second through hole (33) is opened on the lower side of the inner wall of the vertical pipe (31). The second through hole (33) is set directly opposite the shell (46). An insert (47) is fixedly installed on the inner wall of the fixed shell (4). The insert (47) is inserted into the hole opened on one side wall of the shell (46).

5. The deep hole cleaning device for aero-engine cylinder blocks according to claim 4, characterized in that: Both ends of the movable rod (43) are provided with cavities, and a limiting rod (44) is movably inserted into the cavity. The outer end of the limiting rod (44) is fixedly connected to the inner wall of the fixed shell (4).

6. The deep hole cleaning device for aero-engine cylinder blocks according to claim 4, characterized in that: One end of the air guide plate (42) is hinged to a telescopic rod (45), and the outer end of the telescopic rod (45) is hinged to the movable rod (43).

7. The deep hole cleaning device for aero-engine cylinder blocks according to claim 1, characterized in that: The width of the air guide plate (42) is greater than the width of the strip hole.

8. The deep hole cleaning device for aero-engine cylinder blocks according to claim 1, characterized in that: A handle (25) is fixedly installed on the upper side of the outer wall of the support (2).

9. The deep hole cleaning device for aero-engine cylinder blocks according to claim 1, characterized in that: Lockable casters (11) are fixedly installed at the four corners of the bottom of the base (1).

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