CN214372346U

CN214372346U - Device for detecting height of blade edge plate through aviation

Info

Publication number: CN214372346U
Application number: CN202120700675.2U
Authority: CN
Inventors: 魏永超; 邓春艳; 敖良忠; 夏桂书
Original assignee: Civil Aviation Flight University of China
Current assignee: Civil Aviation Flight University of China
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-10-08
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a device of aerial inspection blade flange height, including base, PMKD and altitude measurement appearance, the top of base is connected with PMKD and altitude measurement appearance, the draw-in groove that is used for placing the blade flange is offered on PMKD's top, PMKD's top is connected with the electronic slide rail one that two symmetries set up, and the top of the slider of two electronic slide rails one all is connected with mount one, two the adjacent side of mount all is connected with the fixed plate, PMKD's top still is connected with the electronic slide rail two that two symmetries set up, two the top of the slider of electronic slide rail two is connected with electronic flexible post, the expansion end of flexible post is connected with mount two. This device of aerial detection blade flange height detects easy operation, and the witnessed inspections of being convenient for is favorable to promoting holistic operating efficiency, and can stabilize fixedly to the blade flange.

Description

Device for detecting height of blade edge plate through aviation

Technical Field

The utility model belongs to the technical field of the blade flange height detects, concretely relates to aviation detects device of blade flange height.

Background

The blade, as one of the relevant important parts of the engine, accounts for approximately 30% of the weight in the manufacture of aeroengines. The performance of the engine depends on the design and manufacturing level of the blade profile to a great extent due to the complex shape, large size span (length from 20mm to 800mm), severe stress, maximum bearing capacity and operation under the working conditions of high temperature, high pressure and high rotation speed.

The measuring accuracy of blade profile directly reflects manufacturing accuracy, and it usually needs special measuring chamber to make and measure to measuring the blade flange, and when only detecting the blade flange height, send the blade flange height to measuring chamber and measure too complicatedly and do not need for detection efficiency is low, therefore needs convenient operation's height detection device, and in order to ensure the precision that detects, need fix the blade flange when detecting the height.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aeronautical inspection blade flange height's device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for detecting the height of a blade flange plate in an aviation manner comprises a base, a fixed bottom plate and a height measuring instrument, wherein the top end of the base is connected with the fixed bottom plate and the height measuring instrument, the top end of the fixed bottom plate is provided with a clamping groove for placing the blade flange plate, the top end of the fixed bottom plate is connected with two electric slide rails I which are symmetrically arranged, the top ends of the slide blocks of the two electric slide rails I are respectively connected with a first fixed frame, the adjacent side surfaces of the two first fixed frames are respectively connected with a fixed plate, the top end of the fixed bottom plate is also connected with two electric slide rails II which are symmetrically arranged, the top ends of the slide blocks of the two electric slide rails II are connected with an electric telescopic column, the movable end of the telescopic column is connected with a second fixed frame, the adjacent side surfaces of the two fixed frames are respectively connected with a fixed block, and the side surfaces of two measuring arms of the height measuring instrument are respectively connected with a measuring rod, the top end of the second fixing frame is connected with an electric telescopic rod, the top end of the telescopic rod is connected with a positioning plate, and the bottom end of the positioning plate is connected with a contact type sensor.

Preferably, the top end of the fixed bottom plate is further provided with a measuring groove, the measuring groove of the fixed bottom plate is as deep as the clamping groove, the bottom end of the measuring rod located below is in contact with the transverse inner wall of the measuring groove in a fitting manner, and the measuring rod located above is located below the positioning plate.

Preferably, the side face, close to the clamping groove, of the fixing block is an arc-shaped face, and the surface of the arc-shaped face is connected with a silica gel pad.

Preferably, a plurality of connecting holes are all seted up to the side that the fixed plate is close to the draw-in groove, and the connecting hole in-connection has the spring, and the one end that the fixed plate was kept away from to the spring is connected with the limiting plate, the side of limiting plate is connected with the rubber pad.

Preferably, the two electric sliding rails I and the two electric sliding rails II are distributed in a rectangular array, and the two electric sliding rails I and the two electric sliding rails II are respectively located on four side faces of the clamping groove.

Preferably, the top end of the base is connected with a control console, and the side surface of the control console is connected with a control panel.

Preferably, the two measuring rods are respectively horizontally arranged with the two measuring arms, the bottom ends of the measuring rods located below are arranged as a horizontal plane, and the top ends of the measuring rods located above are arranged as a horizontal plane.

The utility model discloses a technological effect and advantage: the device for detecting the height of the blade edge plate in the aviation can detect the height of the blade edge plate, can transport the whole body to a corresponding detection point on site, does not need to convey the blade edge plate to a measuring chamber, is simple in detection operation, and is beneficial to improving the whole operation efficiency; the blade edge plate to be detected is placed in the clamping groove, the fixing plate fixes two side faces of the bottom of the blade edge plate, and the fixing block abuts and fixes two side faces of the arc-shaped part of the upper half part of the blade edge plate, so that the stability of the blade edge plate during detection is improved; the highest point of the blade edge plate can be determined through the sensor at the bottom end of the positioning plate, so that the accuracy in measurement can be improved; this device of aerial detection blade flange height detects easy operation, and the witnessed inspections of being convenient for is favorable to promoting holistic operating efficiency, and can stabilize fixedly to the blade flange.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a first fixing frame and a fixing plate of the present invention;

fig. 3 is a schematic structural view of the second fixing frame and the positioning plate of the present invention.

In the figure: the device comprises a base 1, a fixing bottom plate 2, a height measuring instrument 3, a first electric sliding rail 4, a first fixing frame 5, a fixing plate 6, a second electric sliding rail 7, an 8 telescopic column 9, a second fixing frame 10, a fixing block 11, a measuring rod 12, a telescopic rod 13, a limiting plate 13, a control console 14, a control panel 15 and a positioning plate 16.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In order to detect the height of the blade flange plate and fix the blade flange plate, as shown in fig. 1, fig. 2 and fig. 3, the device for detecting the height of the blade flange plate in the aviation provided by the embodiment comprises a base 1, a fixed base plate 2 and a height measuring instrument 3, wherein the top end of the base 1 is provided with the fixed base plate 2 and the height measuring instrument 3 through bolts, the top end of the fixed base plate 2 is provided with a clamping groove for placing the blade flange plate, the top end of the fixed base plate 2 is connected with two electric sliding rails one 4 which are symmetrically arranged, the top end of the fixed base plate 2 is provided with two grooves which are matched with the electric sliding rails one 4, the electric sliding rails one 4 are connected with the inner walls of the grooves through bolts, the top ends of sliding blocks of the two electric sliding rails one 4 are both welded with a fixed frame one 5, the adjacent side surfaces of the two fixed frames one 5 are both welded with a fixed plate 6, and the side surface of the fixed plate 6, which is close to the clamping groove, is both provided with a plurality of connecting holes, and a spring (not shown in the figure) is welded in the connecting hole, one end of the spring far away from the fixed plate 6 is welded with a limit plate 13, the side surface of the limit plate 13 is bonded with a rubber pad, the top end of the fixed bottom plate 2 is also connected with two electric slide rails 7 which are symmetrically arranged, the top end of the fixed bottom plate 2 is also provided with two grooves matched with the electric sliding rail II 7, the second electric sliding rails 7 are connected with the inner wall of the groove through bolts, electric telescopic columns 8 are welded at the top ends of the sliding blocks of the second electric sliding rails 7, the movable end of the telescopic column 8 is welded with a second fixing frame 9, the adjacent side surfaces of the two second fixing frames 9 are connected with a fixed block 10 through screws, the side surface of the fixed block 10 close to the clamping groove is arranged to be an arc surface, and the surface of the cambered surface is bonded with a silica gel pad, and the side surfaces of the two measuring arms of the height measuring instrument 3 are connected with measuring rods 11 through connecting pieces.

In order to improve the accuracy of detection, two measuring rods 11 are respectively positioned on the same horizontal plane with the top end and the bottom end of a blade edge plate, as shown in fig. 1 and 3, an electric telescopic rod 12 is welded at the top end of one of the second fixing frames 9, a positioning plate 16 is welded at the top end of the telescopic rod 12, a contact type sensor is connected at the bottom end of the positioning plate 16, a connecting groove is formed in the bottom end of the positioning plate 16, the sensor is embedded in the connecting groove, and the bottom end of the sensor is flush with the bottom end of the positioning plate 16; the top end of the fixed bottom plate 2 is also provided with a measuring groove, the depth of the measuring groove of the fixed bottom plate 2 is consistent with that of the clamping groove, the bottom end of the measuring rod 11 positioned below is in contact with the transverse inner wall of the measuring groove in a fitting manner, namely the measuring rod 11 positioned below and the bottom ends of the blade edge plates are positioned on the same horizontal plane, and the measuring rod 11 positioned above is positioned below the positioning plate 16; two measuring stick 11 sets up with two measuring arm levels respectively, and the bottom of the measuring stick 11 that is located the below sets up to the horizontal plane, and the top of the measuring stick 11 that is located the top sets up to the horizontal plane.

For convenience in operation, as shown in fig. 1, the top end of the base 1 is connected with a console 14, the side surface of the console 14 is connected with a control panel 15, and a controller of the control panel 15 is electrically connected with the first electric slide rail 4, the second electric slide rail 7, the telescopic rod 12, the telescopic column 8, the sensor and the height measuring instrument 3 respectively.

The working principle of the device for detecting the height of the blade edge plate in the aviation is that during detection, the whole body is moved to a corresponding detection point on site, then a required blade edge plate is placed in a clamping groove of a fixed bottom plate 2, a first electric slide rail 4 is adjusted through a control panel 15, a sliding block drives a fixed plate 6 to move towards the blade edge plate until two limiting plates 13 fix the blade edge plate from two side surfaces of the bottom of the blade edge plate, then a telescopic column 8 is adjusted through the control panel 15, a second fixed frame 9 drives a fixed block 10 to move to a proper height, then a second electric slide rail 7 is adjusted, the sliding block drives a second fixed frame 9 to move towards the blade edge plate until the two fixed blocks 10 respectively abut against and fix the arc part of the blade edge plate from two side surfaces of the upper half part of the blade edge plate, the telescopic rod 12 is adjusted through the control panel 15 to drive a positioning plate 16 to move downwards, when a sensor contacts the blade edge plate and transmits a signal to the control panel 15, stopping adjusting telescopic link 12, then adjusting height measurement appearance 3, the bottom of the measuring stick 11 that makes the below and the horizontal inner wall laminating contact of measuring tank make the top of the measuring stick 11 of top and the bottom laminating contact of locating plate 16, the distance between two measuring sticks 11 this moment is the height of blade flange promptly, look over height measurement appearance 3's measuring result at last can.

Claims

1. The utility model provides a device of aerial inspection blade flange height, includes base (1), PMKD (2) and altitude measurement appearance (3), its characterized in that: the top end of the base (1) is connected with a fixed bottom plate (2) and a height measuring instrument (3), the top end of the fixed bottom plate (2) is provided with a clamping groove for placing a blade flange plate, the top end of the fixed bottom plate (2) is connected with two electric sliding rails (4) which are symmetrically arranged, the top ends of sliding blocks of the two electric sliding rails (4) are connected with a first fixed frame (5), the adjacent side surfaces of the two first fixed frames (5) are connected with a fixed plate (6), the top end of the fixed bottom plate (2) is also connected with two electric sliding rails (7) which are symmetrically arranged, the top ends of the sliding blocks of the two electric sliding rails (7) are connected with an electric telescopic column (8), the movable end of the telescopic column (8) is connected with a second fixed frame (9), the adjacent side surfaces of the two fixed frames (9) are connected with a fixed block (10), the side surfaces of two measuring arms of the height measuring instrument (3) are connected with measuring rods (11), the top end of one of the second fixing frame (9) is connected with an electric telescopic rod (12), the top end of the telescopic rod (12) is connected with a positioning plate (16), and the bottom end of the positioning plate (16) is connected with a contact type sensor.

2. The device for aeronautical detection of the height of the blade platform according to claim 1, wherein: the measuring device is characterized in that the top end of the fixed bottom plate (2) is also provided with a measuring groove, the depth of the measuring groove of the fixed bottom plate (2) is consistent with that of the clamping groove, the bottom end of the measuring rod (11) located below is in contact with the transverse inner wall of the measuring groove in a fitting manner, and the measuring rod (11) located above is located below the positioning plate (16).

3. The device for aeronautical detection of the height of the blade platform according to claim 1, wherein: the side face, close to the clamping groove, of the fixing block (10) is an arc-shaped face, and the surface of the arc-shaped face is connected with a silica gel pad.

4. The device for aeronautical detection of the height of the blade platform according to claim 1, wherein: a plurality of connecting holes are formed in the side face, close to the clamping groove, of the fixing plate (6), springs are connected in the connecting holes, one ends, far away from the fixing plate (6), of the springs are connected with limiting plates (13), and rubber pads are connected to the side face of the limiting plates (13).

5. The device for aeronautical detection of the height of the blade platform according to claim 1, wherein: two electronic slide rail one (4) and electronic slide rail two (7) are the rectangular array and distribute, and two electronic slide rail one (4) and two electronic slide rail two (7) are located four sides of draw-in groove respectively.

6. The device for aeronautical detection of the height of the blade platform according to claim 1, wherein: the top of base (1) is connected with control cabinet (14), and the side of control cabinet (14) is connected with control panel (15).

7. The device for aeronautical detection of the height of the blade platform according to claim 1, wherein: the two measuring rods (11) are horizontally arranged with the two measuring arms respectively, the bottom ends of the measuring rods (11) located below are arranged to be horizontal planes, and the top ends of the measuring rods (11) located above are arranged to be horizontal planes.