CN114878588A - Fluorescence permeation detection device for aero-engine blade and application method - Google Patents

Abstract

The invention discloses a fluorescence penetration detection device for an aero-engine blade and a use method thereof, belonging to the technical field of aero-engine blade detection, wherein the fluorescence penetration detection device comprises an installation shell, wherein the inner wall of the installation shell is rotatably connected with a fixed cylinder; in the detection process, the suction nozzle is used for sucking and fixing the aerospace engine blade, so that on one hand, the arc-shaped engine blade is favorably sucked and fixed, the situation that the engine blade shakes in the detection process to influence the detection is avoided, on the other hand, the avoided clamping piece clamps the engine blade, the whole surface of the engine blade is favorably and completely detected, the situation that the edge of the engine blade is shielded due to the use of the clamping piece and cannot be completely detected to influence the quality of the produced engine blade is avoided, in addition, the engine is automatically overturned and fixed through the butt joint of the fixing barrel and the mounting groove on the switching barrel, the manual disassembly and assembly are not needed, the manual workload is favorably reduced, and the damage to the engine blade in the disassembly and assembly process can be reduced.

Description

Fluorescence permeation detection device for aero-engine blade and application method

Technical Field

The invention relates to the technical field of detection of blades of aero-engines, in particular to a fluorescence permeation detection device for an aero-engine blade and a using method thereof.

Background

In the manufacturing industry, the defects of fine cracks and the like existing on the surfaces of raw materials and parts and difficult to see by naked eyes often make the product quality not meet the requirements of customers. The principle of the method is that a fluorescent penetrant permeates into cracks on the surface of a workpiece to be detected through a certain method, the penetrant and moisture on the surface of the workpiece to be detected are removed through cleaning and drying, then dry developing powder is applied to the surface of the workpiece to be detected, the penetrant in the cracks is adsorbed to the surface of the workpiece to be detected under the capillary action, and then the defect detection is carried out under a black light.

The prior art is utilizing the fluorescence infiltration method to detect aeroengine blade, because aeroengine blade is the arc and thin, it detects to place the platform, aeroengine blade can rock, influence normal detection, the centre gripping detects time measuring, the holder can cover aeroengine blade surface edge part usually, lead to edge part can not detect, so when detecting, need the manual work to detect usually, increase the amount of labor, and aeroengine blade two sides all need detect, when the manual work once detects more aeroengine blade, confuse easily, lead to lou examining or repeated detection.

Based on the above, the invention designs a fluorescence penetration detection device for an aircraft engine blade and a use method thereof, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a fluorescence penetration detection device for an aircraft engine blade and a use method thereof, and aims to solve the problems that when the aircraft engine blade is detected by a fluorescence penetration method in the prior art, the aircraft engine blade is arc-shaped and thin, and is placed on a platform for detection, the aircraft engine blade shakes to influence normal detection, and when clamping detection is carried out, a clamping piece usually covers the edge part of the surface of the aircraft engine blade to cause that the edge part cannot be detected, so that manual detection is usually required to increase the manual labor amount during detection, and detection is required to be carried out on both sides of the aircraft engine blade, and when more aircraft engine blades are detected by manpower at one time, the detection is easily confused to cause detection omission or repeated detection.

In order to achieve the purpose, the invention provides the following technical scheme: a fluorescence permeation detection device for blades of an aircraft engine comprises an installation shell, wherein the inner wall of the installation shell is connected with a fixed cylinder in a rotating mode, one end of one side of the fixed cylinder is fixedly connected with a first toothed ring, the installation shell is close to one side surface of the first toothed ring, a driving motor is fixedly connected with the surface of the rotating shaft of the driving motor, the end of the rotating shaft penetrates through the installation shell and then is fixedly connected with a rotating gear, the rotating gear is meshed with the first toothed ring, the inner wall of the installation shell is sequentially provided with a sweeping brush, a first liquid spraying box capable of spraying fluorescent agent, a wiping cotton and a second liquid spraying box capable of spraying developing agent along the rotating direction of the fixed cylinder, the surface of the inner wall of the installation shell is fixedly connected with a first detection end, the first detection end can detect the fluorescent agent floating out of the surface of the developing agent, the surface of the fixed cylinder is provided with a fixing mechanism capable of adsorbing and fixing engine blades, the mounting shell is internally provided with a turnover mechanism capable of turning over the engine blade after single-sided detection is finished, the fixing mechanism and the turnover mechanism are internally provided with a selecting mechanism, the selecting mechanism can discharge the engine blade which is detected to be unqualified out of the mounting shell, and the selecting mechanism is triggered by a first detection end;

as a further scheme of the invention, the fixing mechanism comprises a fixing rod and a plurality of mounting grooves, the fixing rod is fixedly connected to the surface of the inner wall of the mounting shell, the fixing rod is positioned in the middle of the fixing cylinder, the surface of the fixing rod is fixedly connected with a driving disc, the surface of the driving disc is provided with an annular driving groove, the mounting grooves are arranged on the surface of the fixing cylinder at equal angles, part of the driving groove protrudes outwards, the bottom of the mounting groove is a curved surface and can be attached to the surface of an engine blade, the bottoms of the inner walls of the mounting grooves are fixedly connected with soft suction nozzles, the bottoms of the suction nozzles are fixedly connected with a suction cylinder, the bottom of the suction cylinder penetrates through the fixing cylinder and extends into the fixing cylinder, a piston is slidably connected into the suction cylinder, the bottom of the piston extends to the position of the driving disc, and the bottom of the piston is fixedly connected with a sliding rod, the sliding rod slides in the driving groove;

as a further proposal of the invention, the turnover mechanism comprises a switching cylinder which is the same as the fixed cylinder, and the periphery of the mounting shell corresponding to the switching cylinder is provided with a sweeping brush, a first liquid spraying box capable of spraying fluorescent agent, a wiping cotton and a second liquid spraying box capable of spraying developer, the switching cylinder is rotationally connected in the mounting shell, one end of the switching cylinder close to the first toothed ring is fixedly connected with a second toothed ring, the second gear ring is meshed with the first gear ring, the switching cylinder is contacted with the fixed cylinder, the switching cylinder and the fixed cylinder can synchronously rotate, the switching cylinder is internally provided with a fixing mechanism which is the same as that in the fixed cylinder, the mounting groove on the switching cylinder is opposite to the mounting groove on the fixed cylinder at the contact position of the switching cylinder and the fixed cylinder, and the bulges of the two driving grooves face the contact position of the switching cylinder and the fixed cylinder;

as a further scheme of the invention, the selecting mechanism comprises two first grooves, the two first grooves are respectively arranged on the surfaces of the fixed cylinder and the driving disc in the switching cylinder, the driving groove is partially covered by the first grooves, sliding blocks are slidably connected in the first grooves, sliding rails are arranged on the surfaces of the sliding blocks, the sliding rails can communicate the driving grooves, a first telescopic cylinder is fixedly connected between the sliding block in the fixed cylinder and the inner wall of the first groove, the first telescopic cylinder is triggered by the first detection end, a second telescopic cylinder is fixedly connected between the sliding block in the switching cylinder and the inner wall of the first groove, a second detection end is fixedly connected on the surface of the inner wall of the mounting shell, the second telescopic cylinder is triggered by the second detection end, and a first material discharging plate is fixedly connected on the inner wall of the mounting shell corresponding to the bottom of the first detection end, a second discharging plate is fixedly connected to the inner wall of the mounting shell corresponding to the bottom of the second detection end socket;

as a further scheme of the invention, the inner wall surface of the installation shell is rotatably connected with a rotating roller corresponding to the positions of the fixed cylinder and the switching cylinder, the wiping cotton is wound on the surface of the rotating roller, first sliding grooves are respectively formed in the front side and the rear side of the inner wall of the installation shell, wind-up rollers are arranged in the two first sliding grooves, the wind-up rollers are driven by an external driver to rotate, a first spring is fixedly connected with the inner wall of the first sliding groove, the first spring is in contact with the wind-up rollers, the wiping cotton is wound on the surface of the wind-up rollers, second grooves are respectively formed in the front side and the rear side of the installation shell, telescopic swing rods are rotatably connected with the inner walls of the two second grooves, the end parts of the swing rods extend to the position of the wiping cotton, one ends of the two swing rods, far away from the wiping cotton, protrude outwards, the slide rods extend to the positions of the inner wall surface of the installation shell, and the slide rods can act on the swing rods when moving, the two swinging rods are connected with a tensioning rod in a common rotating mode close to one end of the wiping cotton, the tensioning rod can tension the wiping cotton downwards, the tensioning rod is located between the rotating roller and the winding roller, a second sliding groove is formed in the surface of the inner wall of the second groove, the tensioning rod slides in the second sliding groove, a second spring is fixedly connected to one side, close to the rotating roller, of the inner wall of the second sliding groove, the second spring is in contact with the tensioning rod, a limiting groove is formed in the inner wall of the mounting shell and communicated with the second groove, a limiting rod is elastically connected in the limiting groove through a third spring, and the limiting rod can limit the tensioning rod;

as a further scheme of the invention, a third sliding groove is formed in the inner wall of the mounting shell, the sweeping brush is elastically and slidably connected in the third sliding groove through a fourth spring, one end of the sweeping brush is fixedly connected with a wavy shifting block, the surface of the fixed cylinder is fixedly connected with a plurality of first shifting plates which are arranged at equal angles, the surface of the switching cylinder is fixedly connected with a second shifting plate, and the fixed cylinder and the switching cylinder are both provided with abdicating grooves;

as a further scheme of the invention, the first liquid spray box is fixedly connected to the surface of the inner wall of the mounting shell, a liquid spray opening is formed in one side, close to the fixed cylinder, of the first liquid spray box, the mounting shell is communicated with an adding pipe corresponding to the position of the first liquid spray box, two partition plates are fixedly connected in the first liquid spray box, one-way water outlets are formed in the surfaces of the two partition plates, an extrusion plate is connected between the two partition plates in a sliding manner, a fifth spring is connected between the extrusion plate and the inner wall of the mounting shell, a compression bar is hinged to the surface of the inner wall of the mounting shell, one end, close to the first liquid spray box, of the compression bar penetrates through the first liquid spray box and then is connected with the extrusion plate in a sliding manner, an arc-shaped groove is formed in the surface of the first liquid spray box corresponding to the end of the compression bar, and the inner structures of the second liquid spray box and the first liquid spray box are the same;

as a further scheme of the invention, the surface of the inner wall of the switching cylinder is elastically connected with a plurality of L-shaped ejector rods through sixth springs corresponding to a plurality of mounting grooves, the bottom of each ejector rod is arc-shaped, one end of each ejector rod, which is close to the inner wall of the switching cylinder, penetrates through the inner wall of the switching cylinder and extends into a mounting groove, the bottom of the inner wall of the mounting shell, which corresponds to the ejector rod, is fixedly connected with a fixed block, the fixed block can act on the ejector rod, the inner wall of the mounting shell, which corresponds to the fixed block, is fixedly connected with a third discharging plate, and the third discharging plate is positioned outside the switching cylinder;

a use method of a fluorescence penetration detection device for an aircraft engine blade comprises the following specific steps:

the method comprises the following steps: firstly, placing a blade of the aerospace engine on a fluorescence detection device, and starting the fluorescence detection device;

step two: then, the fluorescence detection device can fix and detect the surface of one side of the engine blade;

step three: after the detection is finished, the engine blade is turned over, and the back side is detected;

step four: and finally, detecting that the finished engine blade is subjected to subsequent processing or installation.

Compared with the prior art, the invention has the beneficial effects that:

1. in the detection process, the suction nozzle is used for sucking and fixing the aerospace engine blade, so that on one hand, the arc-shaped engine blade is favorably sucked and fixed, the situation that the engine blade shakes in the detection process to influence the detection is avoided, on the other hand, the avoided clamping piece clamps the engine blade, the whole surface of the engine blade is favorably and completely detected, the situation that the edge of the engine blade is shielded due to the use of the clamping piece and cannot be completely detected to influence the quality of the produced engine blade is avoided, in addition, the engine is automatically overturned and fixed through the butt joint of the fixing barrel and the mounting groove on the switching barrel, the manual disassembly and assembly are not needed, the manual workload is favorably reduced, and the damage to the engine blade in the disassembly and assembly process can be reduced.

2. According to the invention, the winding roller and the rotating roller are arranged, so that the wiping cotton is unidirectionally wound for wiping, the wiping cotton can be kept clean during wiping each time, the situation that fluorescent agent is remained on the surface of the wiping cotton after the wiping cotton is used for wiping the blades of the engine once, the subsequent surface of the engine cannot be completely wiped, and the detection result is influenced is avoided, and the new wiping cotton is wound by the tensioning rod to assist the winding roller, so that the wiping cotton can be rapidly replaced, the winding time for replacement is reduced, and the phenomenon that misoperation occurs when manual winding is carried out is avoided, and the manual safety is damaged.

3. In the detection process, when the fixed cylinder drives the engine blade to move to the sweeping brush position, the first shifting plate acts on the shifting block, the sweeping brush can shake under the action of the shifting block and the fourth spring, impurities on the surface of the engine blade can be fully swept by the sweeping brush, the impurities or floating ash on the surface of the engine blade can be removed, the situation that the fluorescent agent is shielded due to the fact that the impurities or the floating ash on the surface of the engine blade cannot be completely removed is avoided, detection results are inaccurate, the second shifting plate can rotate when the switching cylinder rotates, and when the first shifting plate and the second shifting plate move to the contact position of the fixed cylinder and the switching cylinder, the first shifting plate and the second swinging plate can move to the abdicating groove.

Drawings

FIG. 1 is a flow chart of the method of the present invention;

FIG. 2 is a schematic diagram of the overall structure of the present invention;

FIG. 3 is a schematic sectional view of the mounting housing of the present invention;

FIG. 4 is a schematic view of the present invention, generally broken away;

FIG. 5 is a schematic structural view of the interior of the fixed cylinder and the switching cylinder according to the present invention;

FIG. 6 is a schematic view of the structure at A in FIG. 5;

FIG. 7 is a schematic view of the structure at B in FIG. 5;

FIG. 8 is a schematic structural view of a fixed cylinder according to the present invention;

FIG. 9 is a schematic structural view of a switch drum according to the present invention;

FIG. 10 is a schematic structural view of the connection relationship between the installation shell, the rotating roller, the wiping cotton and the wind-up roll in the invention;

FIG. 11 is a schematic view of the structure of FIG. 10 at C;

FIG. 12 is a schematic view of the interior of the mounting housing of the present invention;

FIG. 13 is a schematic view of the interior of the first and second cartridges of the present invention;

fig. 14 is a schematic structural view at D in fig. 13.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a mounting shell 1, a fixed cylinder 2, a first gear ring 3, a driving motor 4, a rotating gear 5, a sweeping brush 6, a first liquid spraying box 7, a wiping cotton 8, a second liquid spraying box 9, a first detection end 10, a fixed rod 11, a mounting groove 12, a driving disc 13, a driving groove 14, a suction nozzle 15, a suction cylinder 16, a piston 17, a sliding rod 18, a switching cylinder 19, a second gear ring 20, a first groove 21, a sliding block 22, a sliding rail 23, a first telescopic cylinder 24, a second telescopic cylinder 25, a second detection end 26, a first discharging plate 27, a second discharging plate 28, a rotating roller 29, a first sliding groove 30, a winding roller 31, a first spring 32, a second groove 33, a swinging rod 34, a tensioning rod 35, a second sliding groove 36, a second spring 37, a limiting groove 38, a third spring 39, a limiting rod 40, a third sliding groove 41, a fourth spring 42, a shifting block 43, a first shifting plate 44, a second shifting plate 45, The device comprises a abdicating groove 46, a liquid spraying opening 47, an adding pipe 48, a partition plate 49, a one-way water outlet 50, an extrusion plate 51, a fifth spring 52, a pressure rod 53, an arc-shaped groove 54, a sixth spring 55, a jacking rod 56, a fixed block 57 and a third discharging plate 58.

Detailed Description

Referring to fig. 1-14, the present invention provides a technical solution: a fluorescence penetration detection device for blades of an aero-engine comprises an installation shell 1, wherein a fixed cylinder 2 is rotatably connected to the inner wall of the installation shell 1, a first toothed ring 3 is fixedly connected to one side end of the fixed cylinder 2, a driving motor 4 is fixedly connected to the surface of one side, close to the first toothed ring 3, of the installation shell 1, a rotating gear 5 is fixedly connected to the end of a rotating shaft of the driving motor 4 after penetrating through the installation shell 1, the rotating gear 5 is meshed with the first toothed ring 3, a sweeping brush 6, a first liquid spraying box 7 capable of spraying out fluorescent agents, a wiping cotton 8 and a second liquid spraying box 9 capable of spraying out developing agents are sequentially arranged on the inner wall of the installation shell 1 along the rotating direction of the fixed cylinder 2, a first detection end 10 is fixedly connected to the surface of the inner wall of the installation shell 1, the first detection end 10 can detect the fluorescent agents floating out of the surface of the developing agents, a fixing mechanism capable of adsorbing and fixing engine blades is arranged on the surface of the fixed cylinder 2, a turnover mechanism capable of overturning the engine blade after single-sided detection is finished is arranged in the mounting shell 1, a selection mechanism is arranged in each of the fixing mechanism and the turnover mechanism, the selection mechanism can discharge the engine blade which is unqualified to be detected out of the mounting shell 1, and the selection mechanism is triggered by the first detection end 10;

the fixing mechanism comprises a fixing rod 11 and a plurality of mounting grooves 12, the fixing rod 11 is fixedly connected to the surface of the inner wall of the mounting shell 1, the fixing rod 11 is located in the middle of the fixing cylinder 2, a driving disc 13 is fixedly connected to the surface of the fixing rod 11, an annular driving groove 14 is formed in the surface of the driving disc 13, the mounting grooves 12 are formed in the surface of the fixing cylinder 2 at equal angles, a part of the driving groove 14 protrudes outwards, the bottom of the mounting groove 12 is a curved surface and can be attached to the surface of an engine blade, soft suction nozzles 15 are fixedly connected to the bottoms of the inner walls of the mounting grooves 12, suction cylinders 16 are fixedly connected to the bottoms of the suction nozzles 15, the bottoms of the suction cylinders 16 penetrate through the fixing cylinder 2 and extend into the fixing cylinder 2, pistons 17 are slidably connected into the suction cylinders 16, the bottoms of the pistons 17 extend to the positions of the driving disc 13, sliding rods 18 are fixedly connected to the bottoms of the pistons 17, and the sliding rods 18 slide in the driving grooves 14;

the turnover mechanism comprises a switching cylinder 19, the switching cylinder 19 is the same as the fixed cylinder 2, the periphery of the installation shell 1 corresponding to the switching cylinder 19 is provided with a sweeping brush 6 which is the same as the periphery of the fixed cylinder 2, a first liquid spraying box 7 capable of spraying fluorescent agent, a wiping cotton 8 and a second liquid spraying box 9 capable of spraying developer, the switching cylinder 19 is rotatably connected in the installation shell 1, one end of the switching cylinder 19 close to the first toothed ring 3 is fixedly connected with a second toothed ring 20, the second toothed ring 20 is meshed with the first toothed ring 3, the switching cylinder 19 is contacted with the fixed cylinder 2, the switching cylinder 19 and the fixed cylinder 2 can synchronously rotate, a fixing mechanism which is the same as the fixed cylinder 2 is arranged in the switching cylinder 19, the installation groove 12 on the switching cylinder 19 is opposite to the installation groove 12 on the fixed cylinder 2 at the contact position of the switching cylinder 19 and the fixed cylinder 2, and the convex parts of the two driving grooves 14 face the contact part of the switching cylinder 19 and the fixed cylinder 2;

the selecting mechanism comprises two first grooves 21, the two first grooves 21 are respectively arranged on the surfaces of the driving disk 13 in the fixed cylinder 2 and the switching cylinder 19, the driving groove 14 is partially covered by the first grooves 21, a sliding block 22 is slidably connected in the first grooves 21, a sliding rail 23 is arranged on the surface of the sliding block 22, the sliding rail 23 can communicate the driving groove 14, a first telescopic cylinder 24 is fixedly connected between the sliding block 22 in the fixed cylinder 2 and the inner wall of the first groove 21, the first telescopic cylinder 24 is triggered by a first detection end 10, a second telescopic cylinder 25 is fixedly connected between the sliding block 22 in the switching cylinder 19 and the inner wall of the first groove 21, a second detection end 26 is fixedly connected on the surface of the inner wall of the mounting shell 1, the second telescopic cylinder 25 is triggered by a second detection end 26, and a first material discharging plate 27 is fixedly connected on the inner wall of the mounting shell 1 corresponding to the bottom of the first detection end 10, a second discharging plate 28 is fixedly connected to the bottom of the second detection end 26 corresponding to the inner wall of the mounting shell 1;

before detecting the blades of the aerospace engine, the blades of the engine are required to be upwards placed into the mounting groove 12 from the bottom of the fixed cylinder 2 by using an external liftable feeding device, then the detection device is started, the driving motor 4 drives the fixed cylinder 2 to rotate through the rotating gear 5 and the first toothed ring 3, the air suction cylinder 16 and the piston 17 rotate together, the sliding rod 18 slides in the driving groove 14 under the action of the piston 17, the sliding rod 18 drives the piston 17 to move towards the outer side of the air suction cylinder 16 under the action of the driving groove 14, the blades of the engine are sucked by the suction nozzle 15, on one hand, the blades of the engine in an arc shape are favorably sucked and fixed, the blades of the engine are prevented from shaking and affecting the detection in the detection process, on the other hand, the clamping of the clamping piece on the blades of the engine is avoided, the whole surface of the blades of the engine is favorably and the edges of the blades of the engine are prevented from being blocked by the clamping piece, the complete detection cannot be carried out, the quality of the produced engine blade is influenced, in the process that the fixed cylinder 2 drives the engine blade to rotate, the sweeping brush 6 sweeps the surface of the engine blade, the situation that impurities on the surface of the engine blade shield a follow-up sprayed fluorescent agent to cause the fluorescent agent to be incapable of contacting with the engine blade and influence the detection result is avoided, then the fluorescent agent can be sprayed out from the first liquid spraying box 7 and can cover the surface of the engine blade, then the fluorescent agent can be wiped out from the surface of the engine blade by the wiping cotton 8, finally the developer can be sprayed out from the second liquid spraying box 9 and can cover the surface of the engine blade, when the engine blade moves to the position of the first detection end 10, the sliding rod 18 can slide into the sliding rail 23, the first detection end 10 can detect the developer on the surface of the engine, when the first detection end 10 detects the fluorescent agent floating on the surface of the developer, the first telescopic cylinder 24 will contract, the sliding block 22 will move towards the edge of the driving disc 13 in the first groove 21, the piston 17 will move towards the inside of the air suction cylinder 16 along with the movement, the suction nozzle 15 will disengage from the engine blade, the disengaged engine blade will fall on the surface of the first discharging plate 27 and slide along the surface of the first discharging plate 27, then the first telescopic cylinder 24 will recover to its original shape, when the first detecting tip 10 does not detect the fluorescent agent floating, the sliding rod 18 will slide through the sliding rail 23, then when the engine blade moves to the contact position of the fixed cylinder 2 and the switching cylinder 19 along with the fixed cylinder 2, the two mounting slots 12 will be butted, the switching cylinder 19 will rotate synchronously under the action of the first toothed ring 3 and the second toothed ring 20, the sliding rod 18 in the fixed cylinder 2 will gradually slide to the bulge of the driving slot 14, the suction nozzle 15 will disengage from the engine blade, the engine blade will fall into the mounting slot 12 on the surface of the switching cylinder 19, the sliding rod 18 in the switching cylinder 19 will slide downwards from the convex part of the driving groove 14 gradually, the suction nozzle 15 will suck the engine blade, thereby realizing the turnover, the engine will be automatically turned over and fixed through the butt joint of the two mounting grooves 12, manual disassembly and assembly are not needed, the manual workload is reduced, and the damage to the engine blade during disassembly and assembly can be reduced, then the sweeping brush 6, the first liquid spraying box 7, the wiping cotton 8 and the second liquid spraying box 9 will carry out the same steps on the engine blade in the process that the engine blade rotates along with the switching cylinder 19, then the second detection end 26 will detect the engine blade, when the second detection end 26 detects that the fluorescent agent is floating on the surface of the developer, the second cylinder will shrink, the suction nozzle 15 will be separated from the engine blade, the engine blade will fall on the surface of the second discharging plate 28 and slide down, when the second detection end 26 does not detect the fluorescent agent floating on the surface of the developer, the two sides of the engine blade are qualified.

In the detection process, after the wiping cotton 8 wipes an engine blade once, fluorescent agent is adsorbed on the surface of the wiping cotton 8, and the fluorescent agent still remains on the surface of the engine blade after subsequent wiping, as a further scheme of the invention, the positions of the inner wall surface of the installation shell 1, which correspond to the fixed cylinder 2 and the switching cylinder 19, are both rotatably connected with a rotating roller 29, the wiping cotton 8 is wound on the surface of the rotating roller 29, the front side and the rear side of the inner wall of the installation shell 1 are both provided with a first chute 30, wind-up rollers 31 are arranged in the two first chutes 30, the wind-up rollers 31 are driven by an external driver to rotate, the inner wall of the first chute 30 is fixedly connected with a first spring 32, the first spring 32 is contacted with the wind-up roller 31, the wiping cotton 8 is wound on the surface of the wind-up roller 31, the inner walls of the front side and the rear side of the installation shell 1 are both provided with second grooves 33, the inner walls of the two second grooves 33 are both rotatably connected with a telescopic swinging rod 34, the end parts of the swing rods 34 extend to the position of the wiping cotton 8, one ends of the two swing rods 34 far away from the wiping cotton 8 protrude outwards, the sliding rod 18 extends to the surface position of the inner wall of the mounting shell 1, the sliding rod 18 moves to act on the swing rods 34, one ends of the two swing rods 34 close to the wiping cotton 8 are connected with the tensioning rod 35 in a rotating mode, the tensioning rod 35 can tension the wiping cotton 8 downwards, the tensioning rod 35 is located between the rotating roller 29 and the winding roller 31, the surface of the inner wall of the second groove 33 is provided with a second sliding groove 36, the tensioning rod 35 slides in the second sliding groove 36, one side, close to the rotating roller 29, of the inner wall of the second sliding groove 36 is fixedly connected with a second spring 37, the second spring 37 is in contact with the tensioning rod 35, the inner wall of the mounting shell 1 is provided with a limiting groove 38, the limiting groove 38 is communicated with the second groove 33, the limiting rod 40 is elastically connected with the limiting rod 38 through a third spring 39, and the limiting rod 40 can limit the tensioning rod 35; in the detection process, the fixed cylinder 2 can drive the engine blade to rotate together, the wind-up roller 31 can be driven by an external driver to rotate, the wind-up roller 31 can gradually wind the wiping cotton 8, the wiping cotton 8 in the middle position of the wind-up roller 31 and the rotating roller 29 can be attached to the fixed cylinder 2 under the action of the tension rod 35 and wipe the engine blade, the wiping cotton 8 is wiped by utilizing one-way winding, the wiping cotton 8 can be kept clean during wiping each time, the situation that fluorescent agents are remained on the surface of the wiping cotton 8 after the wiping cotton 8 wipes the engine blade once, the subsequent engine surface cannot be completely wiped and the detection result is influenced is avoided, when the diameter of the wind-up roller 31 is gradually increased, the wiping cotton 8 in the position of the wind-up roller 31 can be contacted with the fixed cylinder 2, and the wind-up roller 31 can slide in the first chute 30, and when the fixed cylinder 2 drives the air suction cylinder 16 and the piston 17 to rotate, the sliding rod 18 rotates along with the rotating rod, when the sliding rod 18 slides to the bulge of the driving groove 14, the sliding rod 18 pushes the tail end of the swinging rod 34, the swinging rod 34 swings under the action of the sliding rod 18, the tensioning rod 35 slides in the second sliding groove 36 under the action of the sliding rod 18, when the tensioning rod 35 slides to the position of the limiting rod 40, the limiting rod 40 limits the tensioning rod 35, after the wiping cotton 8 on the surface of the rotating roller 29 is completely used, the wiping cotton 8 needs to be replaced, the used wiping cotton 8 is taken down and a new wiping cotton 8 is put on the surface of the rotating roller 29, then the end part of the wiping cotton 8 is wound on the surface of the rod 35, then the limiting rod 40 is pulled, the limiting rod 40 releases the limiting on the tensioning rod 35, the tensioning rod 35 moves to the side close to the winding roller 31 under the action of the second spring 37, and then is attached to the winding roller 31, wind-up roll 31 rotates and can will clean cotton 8 rolling again, is favorable to quick change to clean cotton 8, reduces to change winding time, avoids artifical manual winding maloperation can appear to harm artificial safety, when switching a section of thick bamboo 19 and driving engine blade and rotate, has the same to clean cotton 8 and clean engine blade.

In the detection process, the sweeping brush 6 sweeps only when the fixed cylinder 2 drives the engine blade to pass through, and cannot completely sweep impurities or floating ash on the surface of the engine blade, as a further scheme of the invention, the inner wall of the installation shell 1 is provided with a third chute 41, the sweeping brush 6 is elastically and slidably connected in the third chute 41 through a fourth spring 42, one end of the sweeping brush 6 is fixedly connected with a wavy shifting block 43, the surface of the fixed cylinder 2 is fixedly connected with a plurality of first shifting plates 44 which are arranged at equal angles, the surface of the switching cylinder 19 is fixedly connected with a second shifting plate 45, and the fixed cylinder 2 and the switching cylinder 19 are both provided with a abdicating groove 46; in the detection process, when the fixed cylinder 2 drives the engine blade to move to the position of the sweeping brush 6, the first shifting plate 44 can act on the shifting block 43, the sweeping brush 6 can shake under the action of the shifting block 43 and the fourth spring 42, the sweeping brush 6 can sweep impurities on the surface of the engine blade fully, the impurities or floating ash on the surface of the engine blade can be cleared, the situation that the fluorescent agent can be blocked due to the fact that the impurities or the floating ash on the surface of the engine blade cannot be cleared completely and the detection result is inaccurate is avoided, the second shifting plate 45 can rotate when the switching cylinder 19 rotates, and when the first shifting plate 44 and the second shifting plate 45 move to the contact position of the fixed cylinder 2 and the switching cylinder 19, the first shifting plate 44 and the second swinging plate can move to the yielding groove 46.

As a further scheme of the invention, when the first liquid spray box 7 and the second liquid spray box 9 spray out fluorescent agent and developing agent, waste can be caused by continuous spraying, the first liquid spray box 7 is fixedly connected on the surface of the inner wall of the mounting shell 1, one side of the first liquid spray box 7 close to the fixed cylinder 2 is provided with a liquid spray opening 47, the mounting shell 1 is communicated with an adding pipe 48 corresponding to the position of the first liquid spray box 7, two partition plates 49 are fixedly connected in the first liquid spray box 7, the surfaces of the two partition plates 49 are both provided with one-way water outlets 50, an extrusion plate 51 is slidably connected between the two partition plates 49, a fifth spring 52 is connected between the extrusion plate 51 and the inner wall of the mounting shell 1, the surface of the inner wall of the mounting shell 1 is hinged with a compression rod 53, one end of the compression rod 53 close to the first liquid spray box 7 penetrates through the first liquid spray box 7 and is slidably connected with the extrusion plate 51, the surface of the first liquid spray box 7 is provided with an arc-shaped groove 54 corresponding to the end of the compression rod 53, the second liquid spraying box 9 has the same internal structure as the first liquid spraying box 7; in the detection process, the fixed cylinder 2 can drive the first toggle plate 44 to rotate together, when the first toggle plate 44 rotates to the position of the pressure rod 53, the first toggle plate 44 can act on the pressure rod 53, the pressure rod 53 rotates, the extrusion plate 51 can move along with the pressure rod 53, and the fluorescent agent or the developer between the two partition plates 49 can be sprayed out through the one-way water outlet 50 and the liquid spraying port 47, so that the first liquid spraying box 7 and the second liquid spraying box 9 can be sprayed out only when an engine blade passes through, resources are saved, waste is avoided, after the first toggle plate 44 is separated from the pressure rod 53, the extrusion plate 51 can return to the original position under the action of the fifth spring 52, and new fluorescent agent or developer can enter between the two partition plates 49 again.

In the detection process, the detected engine blades are positioned in the mounting groove 12 and are not convenient to take out, as a further scheme of the invention, the positions, corresponding to the plurality of mounting grooves 12, of the inner wall surface of the switching cylinder 19 are elastically connected with a plurality of L-shaped ejector rods 56 through sixth springs 55, the bottom of each ejector rod 56 is arc-shaped, one end, close to the inner wall of the switching cylinder 19, of each ejector rod 56 penetrates through the inner wall of the switching cylinder 19 and extends into the mounting groove 12, a fixed block 57 is fixedly connected to the bottom, corresponding to the ejector rod 56, of the inner wall of the mounting shell 1, the fixed block 57 acts on the ejector rod 56, a third discharging plate 58 is fixedly connected to the position, corresponding to the fixed block 57, of the inner wall of the mounting shell 1, and the third discharging plate 58 is positioned outside the switching cylinder 19; in the in-process that detects, switch a section of thick bamboo 19 and drive the pivoted in-process of engine blade, after engine blade detects the completion, switch a section of thick bamboo 19 and can drive engine blade and rotate fixed block 57 position, fixed block 57 can be used and push rod 56, push rod 56 can be to the inside removal of mounting groove 12, thereby promote engine blade to the outside, be favorable to pushing out mounting groove 12 with engine blade, avoid detecting the completion after engine blade and be difficult to take out, influence the process that detects, engine blade can fall the surface of third row material board 58 afterwards.

A use method of a fluorescence penetration detection device for an aircraft engine blade comprises the following specific steps:

the method comprises the following steps: firstly, placing a blade of the aerospace engine on a fluorescence detection device, and starting the fluorescence detection device;

step two: then, the fluorescence detection device can fix and detect the surface of one side of the engine blade;

step three: after the detection is finished, the engine blade is turned over, and the back side is detected;

step four: and finally, detecting that the finished engine blade is subjected to subsequent processing or installation.

Claims (9)

1. The utility model provides an aeroengine blade fluorescence infiltration detection device, includes installation shell (1), its characterized in that: the mounting shell (1) inner wall rotates and is connected with a fixed cylinder (2), a side end part of the fixed cylinder (2) is fixedly connected with a first toothed ring (3), the mounting shell (1) is close to a first toothed ring (3) and a side surface of the fixed cylinder is fixedly connected with a driving motor (4), the rotating shaft end part of the driving motor (4) penetrates through a rotating gear (5) fixedly connected with the mounting shell (1), the rotating gear (5) is meshed with the first toothed ring (3), the mounting shell (1) inner wall is sequentially provided with a sweeping brush (6), a first liquid spraying box (7) capable of spraying fluorescent agent, a wiping cotton (8) and a second liquid spraying box (9) capable of spraying developing agent along the rotating direction of the fixed cylinder (2), the mounting shell (1) inner wall surface is fixedly connected with a first detection end (10), the first detection end (10) can detect the fluorescent agent floating out of the surface of the developing agent, fixed cylinder (2) surface is equipped with can adsorb fixed establishment with engine blade, the inside tilting mechanism that can overturn with the engine blade after the unilateral detection is accomplished that is equipped with of installation shell (1), fixed establishment mechanism all selects the mechanism with the inside selection that all is equipped with of tilting mechanism, select the mechanism and can be inside unqualified engine blade discharge installation shell (1) will detect, select the mechanism and trigger by first detection end (10).

2. The aircraft engine blade fluorescence penetration detection device according to claim 1, wherein: the fixing mechanism comprises a fixing rod (11) and a plurality of mounting grooves (12), the fixing rod (11) is fixedly connected to the surface of the inner wall of the mounting shell (1), the fixing rod (11) is located in the middle of the fixed cylinder (2), a driving disc (13) is fixedly connected to the surface of the fixing rod (11), an annular driving groove (14) is formed in the surface of the driving disc (13), the mounting grooves (12) are arranged on the surface of the fixed cylinder (2) at equal angles, a part of the driving groove (14) protrudes outwards, the bottom of the mounting groove (12) is a curved surface and can be attached to the surface of an engine blade, a plurality of soft suction nozzles (15) are fixedly connected to the bottoms of the inner walls of the mounting grooves (12), the bottoms of the suction nozzles (15) are fixedly connected with suction cylinders (16), and the bottoms of the suction cylinders (16) penetrate through the fixed cylinder (2) and extend into the fixed cylinder (2), a piston (17) is connected to the inside of the air suction cylinder (16) in a sliding mode, the bottom of the piston (17) extends to the position of the driving disc (13), a sliding rod (18) is fixedly connected to the bottom of the piston (17), and the sliding rod (18) slides in the driving groove (14).

3. The aircraft engine blade fluorescence penetration detection device according to claim 2, wherein: the turnover mechanism comprises a switching tube (19), the switching tube (19) is the same as the fixed tube (2), the installation shell (1) is provided with a sweeping brush (6) which is the same as the fixed tube (2) around, a first liquid spraying box (7) capable of spraying fluorescent agent, a wiping cotton (8) and a second liquid spraying box (9) capable of spraying developer around, the switching tube (19) is rotatably connected in the installation shell (1), the switching tube (19) is close to one end of the first toothed ring (3) and is fixedly connected with a second toothed ring (20), the second toothed ring (20) is meshed with the first toothed ring (3), the switching tube (19) is in contact with the fixed tube (2), the switching tube (19) and the fixed tube (2) can synchronously rotate, and a fixing mechanism which is the same as the fixed tube (2) is arranged inside the switching tube (19), the installation groove (12) on the switching tube (19) is opposite to the installation groove (12) on the fixed tube (2) at the contact position of the switching tube (19) and the fixed tube (2), and the bulges of the two driving grooves (14) face the contact position of the switching tube (19) and the fixed tube (2).

4. The aircraft engine blade fluorescence penetration detection device according to claim 3, wherein: the selecting mechanism comprises two first grooves (21), the two first grooves (21) are respectively arranged on the surfaces of the fixed barrel (2) and the driving disk (13) in the switching barrel (19), the driving groove (14) is partially covered by the first grooves (21), sliding blocks (22) are connected in the first grooves (21) in a sliding mode, sliding rails (23) are arranged on the surfaces of the sliding blocks (22), the sliding rails (23) can communicate the driving groove (14), first telescopic cylinders (24) are fixedly connected between the sliding blocks (22) in the fixed barrel (2) and the inner walls of the first grooves (21), the first telescopic cylinders (24) are triggered by the first detection end heads (10), and second telescopic cylinders (25) are fixedly connected between the sliding blocks (22) in the switching barrel (19) and the inner walls of the first grooves (21), install shell (1) inner wall fixed surface and be connected with second detection end (26), second telescopic cylinder (25) are triggered by second detection end (26), install shell (1) inner wall and correspond first detection end (10) bottom fixedly connected with first row flitch (27), install shell (1) inner wall and correspond second detection end (26) bottom fixedly connected with second row flitch (28).

5. The aircraft engine blade fluorescence penetration detection device according to claim 2, wherein: the inner wall surface of the installation shell (1) corresponds to the positions of the fixed cylinder (2) and the switching cylinder (19) and is connected with a rotating roller (29) in a rotating manner, the wiping cotton (8) is wound on the surface of the rotating roller (29), first sliding grooves (30) are formed in the front side and the rear side of the inner wall of the installation shell (1), two winding rollers (31) are arranged in the first sliding grooves (30), the winding rollers (31) are driven to rotate by an external driver, first springs (32) are fixedly connected to the inner wall of the first sliding grooves (30), the first springs (32) are in contact with the winding rollers (31), the wiping cotton (8) is wound on the surface of the winding rollers (31), second grooves (33) are formed in the inner wall of the front side and the rear side of the installation shell (1), two inner walls of the second grooves (33) are connected with telescopic swinging rods (34) in a rotating manner, and the end portions of the swinging rods (34) extend to the position of the wiping cotton (8), two swinging arms (34) are kept away from and are wiped cotton (8) one end and are protruded to the outside, slide bar (18) extend to installation shell (1) inner wall surface position, slide bar (18) remove can act on swinging arms (34), two swinging arms (34) are close to and are wiped cotton (8) a tip and rotate jointly and are connected with tensioning rod (35), tensioning rod (35) can be with wiping cotton (8) tensioning downwards, tensioning rod (35) are in between live-rollers (29) and wind-up roll (31), second spout (36) have been seted up on second recess (33) inner wall surface, tensioning rod (35) slide in second spout (36), second spout (36) inner wall is close to live-rollers (29) one side fixedly connected with second spring (37), second spring (37) and tensioning rod (35) contact, spacing groove (38) have been seted up to installation shell (1) inner wall, spacing groove (38) and second recess (33) intercommunication, there is gag lever post (40) through third spring (39) elastic connection in spacing groove (38), gag lever post (40) can carry on spacingly with tensioning rod (35).

6. The aircraft engine blade fluorescence penetration detection device according to claim 3, wherein: third spout (41) have been seted up to installation shell (1) inner wall, sweep brush (6) through fourth spring (42) elastic sliding connection in third spout (41), sweep the wavy piece (43) of stirring of one end fixedly connected with of brush (6), the fixed surface of a fixed section of thick bamboo (2) is connected with a plurality of first boards (44) of dialling of angular alignment such as, the fixed surface of a switching section of thick bamboo (19) is connected with the second and dials board (45), the groove of stepping down (46) has all been seted up on a fixed section of thick bamboo (2) and a switching section of thick bamboo (19).

7. The aircraft engine blade fluorescence penetration detection device according to claim 6, wherein: the mounting structure is characterized in that the first liquid spraying box (7) is fixedly connected to the inner wall surface of the mounting shell (1), the first liquid spraying box (7) is close to one side of the fixed cylinder (2) and is provided with a liquid spraying opening (47), the mounting shell (1) is communicated with an adding pipe (48) corresponding to the position of the first liquid spraying box (7), the first liquid spraying box (7) is internally and fixedly connected with two partition plates (49), the surfaces of the two partition plates (49) are respectively provided with a one-way water outlet (50), an extruding plate (51) is connected between the two partition plates (49) in a sliding manner, a fifth spring (52) is connected between the extruding plate (51) and the inner wall of the mounting shell (1), the inner wall surface of the mounting shell (1) is hinged with a pressing rod (53), one end of the pressing rod (53) close to the first liquid spraying box (7) penetrates through the first liquid spraying box (7) and is connected with the extruding plate (51) in a sliding manner, the surface of the first liquid spraying box (7) is provided with an arc-shaped groove (54) corresponding to the end part of the pressure lever (53), and the inner structure of the second liquid spraying box (9) is the same as that of the first liquid spraying box (7).

8. The aircraft engine blade fluorescence penetration detection device according to claim 6, wherein: switch section of thick bamboo (19) inner wall surface corresponds a plurality of mounting grooves (12) position and all has ejector rod (56) of a plurality of L shapes through sixth spring (55) elastic connection, and ejector rod (56) bottom is the arc, ejector rod (56) be close to switch section of thick bamboo (19) inner wall one end run through switch section of thick bamboo (19) inner wall and extend to in mounting groove (12), installation shell (1) inner wall corresponds ejector rod (56) bottom fixedly connected with fixed block (57), fixed block (57) can act on ejector rod (56), installation shell (1) inner wall corresponds fixed block (57) position fixedly connected with third row material board (58), third row material board (58) are located switch section of thick bamboo (19) outside.

9. The use method of the fluorescence penetration detection device for the blades of the aircraft engine is suitable for the fluorescence penetration detection device for the blades of the aircraft engine as claimed in any one of claims 1 to 8, and is characterized in that: the method comprises the following specific steps:

the method comprises the following steps: firstly, placing a blade of the aerospace engine on a fluorescence detection device, and starting the fluorescence detection device;

step two: then, the fluorescence detection device can fix and detect the surface of one side of the engine blade;

step three: after the detection is finished, the engine blade is turned over, and the back side is detected;

step four: and finally, detecting that the finished engine blade is subjected to subsequent processing or installation.

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