CN217654465U

CN217654465U - Detection tool for detecting blade shape of aero-engine blade

Info

Publication number: CN217654465U
Application number: CN202221108879.8U
Authority: CN
Inventors: 刘小钰; 江龙
Original assignee: Chengdu Yawo Aviation Technology Co ltd
Current assignee: Chengdu Yawo Aviation Technology Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-25
Anticipated expiration: 2032-05-10

Abstract

The utility model belongs to the technical field of detect tool equipment, especially, be a detect frock for aeroengine blade leaf shape detects, including base (1), the top of base (1) is provided with fixed mounting bracket (2), one side of base (1) is provided with servo motor (3), one side of servo motor (3) is provided with transmission shaft (4), removal room (5) have been seted up at the top of base (1), the inside of removal room (5) is provided with bottom block (6), the top of bottom block (6) is provided with first arc board (7), spout (8) have been seted up to the top surface of bottom block (6), the one end that bottom block (6) are close to transmission shaft (4) is run through and has been seted up thread groove (9), the inside of spout (8) sets up by sliding block (10), the utility model discloses a drive structure of setting up the connection of contact piece (15) and resistance piece (13) and servo motor (3), can reach the manufacturing cost of sparingly detecting the frock and improve and detect the precision.

Description

Detection tool for detecting blade shape of aero-engine blade

Technical Field

The utility model relates to the technical field of equipment, specifically be a detect frock that is used for aeroengine blade leaf shape to detect.

Background

The aeroengine is the core of the whole airplane, the performance of the aeroengine directly determines the overall performance of the airplane, the worst working environment and the most complex stress in the aeroengine are turbine blades, and meanwhile, the turbine blades are also the key points of high performance required by the aeroengine under the conditions of small size and light weight.

The prior art has the following problems:

1. the existing sample plate type detection only can know the shape of the blade by adding the number of positions for installing sample plates, the number of the sample plates is large, the frequent installation of the sample plates can cause the detection tool to be troublesome to use, and the sample plate type detection is not suitable for occasions with large number of blades and different shape models of the blades;

2. the existing sample plate can be used for visually knowing the specific conditions of the blade mostly through workers to the detection effect of the formula detection tool, and the blade is difficult to be known to be bent or irregular in appearance, so that the sample plate type detection has a certain accuracy problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a detect frock for aeroengine blade leaf shape detects has solved the problem that exists now.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a detect frock for aeroengine blade leaf shape detects, the on-line screen storage device comprises a base, the top of base is provided with fixed mounting bracket, one side of base is provided with servo motor, one side of servo motor is provided with the transmission shaft, the removal room has been seted up at the top of base, the inside of removing the room is provided with the bottom block, the top of bottom block is provided with first arc board, the spout has been seted up to the top surface of bottom block, the one end that the bottom block is close to the transmission shaft runs through and has seted up the thread groove, the inside of spout sets up by the sliding block, the top of sliding block is provided with the second arc board, the surface of first arc board runs through and has seted up the annular, the one end that first arc board is close to the annular is provided with the resistance piece, the inside of annular is provided with the dead lever, one side of dead lever is provided with the contact piece, one side that the contact piece was kept away from to the dead lever is provided with the fixed block, one side of fixed block is provided with the bearing lever, the surface of fixed block runs through and is provided with fixing bolt.

As an optimal technical scheme of the utility model, the internal surface size of removal room and the surface size phase-match of bottom block, bottom block and removal room sliding connection, servo motor and base fixed connection, the transmission shaft passes through the shaft joint and is connected with the servo motor transmission.

As an optimal technical scheme of the utility model, the internal diameter size of thread groove and the external diameter size phase-match of transmission shaft, thread groove and transmission shaft threaded connection, the bottom block passes through the thread groove and is connected with the transmission shaft transmission.

As a preferred technical scheme of the utility model, the internal surface size of spout and the external surface size phase-match of sliding block, second arc board and sliding block fixed connection, the second arc board passes through sliding block and spout sliding connection.

As a preferred technical scheme of the utility model, the surface size of dead lever and the internal surface size phase-match of annular, dead lever and annular sliding connection, contact piece and dead lever fixed connection, contact piece and resistance piece electric connection.

As a preferred technical scheme of the utility model, fixed block and dead lever fixed connection, the quantity of bearing rod is two sets of, and is two sets of the bearing rod is axisymmetric distribution about the horizontal center line of fixed block.

As an optimal technical scheme of the utility model, the bearing rod passes through fixing bolt and fixed block threaded connection.

Compared with the prior art, the utility model provides a detect frock for aeroengine blade leaf shape detects possesses following beneficial effect:

1. this a detect frock for aeroengine blade leaf shape detects, drive the transmission shaft through setting up servo motor and rotate, and pass through the thread groove connection between transmission shaft and the bottom block, realize that the transmission shaft rotates and drives the bottom block and slide inside the removal room, the removal of bottom block realizes the first arc board at top like this, the second arc board carries out the slidingtype to the blade and detects, compare traditional installation model laminating formula and detect, its detection efficiency is higher, do not need to install the multiunit model, save the manufacturing cost of detecting the frock and reduce the troublesome nature in the practical process, and the bottom block top is through seting up the spout, and set up the sliding block inside the spout, and the sliding block top is provided with the second arc board, make when waiting to detect the position fixed to the blade, the relative distance to first arc board, the second arc board is realized with the slip of sliding block to the spout, so match different models, the blade of size, high practicality.

2. This a detect frock for aeroengine blade leaf shape detects, through running through on first cambered plate and second cambered plate surface and set up the annular, and set up the resistance piece at its outside corresponding part, and after the blade detection position was fixed to the bearing rod, the removal of bottom block drove the pole bearing rod and slide at the blade detection position, the bending of blade makes fixed block and dead lever wholly slide in the annular is inside this moment, at this moment the contact position between contact piece and the resistance piece changes, thereby the signal of telecommunication size changes, actual effect can be understood as taking place the slip varistor phenomenon between contact piece and the resistance piece, and the change of blade crookedness can effectively be known to the wave line that the change of signal of telecommunication size formed, compare traditional visual detection, this detection means is comparatively accurate, and not as expensive as laser rangefinder benders instrument.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic view of the overall connection structure of the bottom block of the present invention;

fig. 4 is the overall structure schematic diagram of the fixing block of the present invention.

In the figure: 1. a base; 2. fixing the mounting rack; 3. a servo motor; 4. a drive shaft; 5. a mobile chamber; 6. a bottom block; 7. a first arc plate; 8. a chute; 9. a thread groove; 10. a slider; 11. a second arc plate; 12. a ring groove; 13. a resistance block; 14. fixing the rod; 15. a contact sheet; 16. a fixed block; 17. a bearing rod; 18. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: a detection tool for detecting blade shape of an aircraft engine blade comprises a base 1, namely a bottom stabilizing part of the detection tool; the top end of the base 1 is provided with a fixed mounting frame 2 for fixing the blades, and the number and the mounting positions of the fixed mounting frame can be changed according to the fixing effect, which does not belong to the design category of the utility model; one side of the base 1 is provided with a servo motor 3, the model number of which is HM3500, and the servo motor is used for driving; one side of the servo motor 3 is provided with a transmission shaft 4 for transmission; the top of the base 1 is provided with a moving chamber 5 for realizing the movement of a subsequent device inside; a bottom block 6 is arranged in the moving chamber 5, namely a device sliding in the moving chamber 5 drives the top object to move; the top of the bottom block 6 is provided with a first arc plate 7 which can be understood as a mounting frame of a main detection device; the top surface of the bottom block 6 is provided with a sliding chute 8 for the subsequent device to slide so as to realize distance change; one end of the bottom block 6 close to the transmission shaft 4 is provided with a thread groove 9 in a penetrating way and is used for realizing the connection transmission with the transmission shaft 4; a sliding block 10 is arranged in the sliding groove 8 and is used for sliding in the sliding groove 8, so that the distance between the first arc plate 7 and a subsequent device is changed; the top of the sliding block 10 is provided with a second arc plate 11 which is matched with the first arc plate 7 to detect two ends of the blade; the surface of the first arc plate 7 is provided with a ring groove 12 in a penetrating way for the subsequent device to slide; one end of the first arc plate 7 close to the annular groove 12 is provided with a resistance block 13 which is electrically connected with a subsequent device, and different electric signals are output at different positions; a fixing rod 14 is arranged inside the ring groove 12 and is used for sliding inside the ring groove 12; one side of the fixed rod 14 is provided with a contact piece 15 which is used for electrically connecting with the resistance block 13; a fixed block 16 is arranged on one side of the fixed rod 14 far away from the contact sheet 15 and used for fixing the installation position of a subsequent device; one side of the fixed block 16 is provided with a bearing rod 17, and the specific appearance can be understood that a metal rod for connection is arranged in the bearing, and the bearing can slide with the blade; the fixing bolt 18 is arranged on the surface of the fixing block 16 in a penetrating way, and the position of the bearing rod 17 is fixed under the state that the fixing bolt 18 is screwed with the fixing block 16, so that the blade can better drive the fixing block 16 and the fixing rod 14 to integrally move inside the annular groove 12.

In the embodiment, the size of the inner surface of the moving chamber 5 is matched with the size of the outer surface of the bottom block 6, the bottom block 6 is in sliding connection with the moving chamber 5, the servo motor 3 is fixedly connected with the base 1, the transmission shaft 4 is in transmission connection with the servo motor 3 through a coupler, the servo motor 3 drives the transmission shaft 4 to rotate, and the transmission shaft 4 is in threaded connection with the threaded groove 9, so that the bottom block 6 slides in the moving chamber 5, and the integral transmission effect is realized; the inner diameter of the thread groove 9 is matched with the outer diameter of the transmission shaft 4, the thread groove 9 is in threaded connection with the transmission shaft 4, the bottom block 6 is in transmission connection with the transmission shaft 4 through the thread groove 9, as above, the thread groove 9 is in threaded connection with the transmission shaft 4 to realize the transmission of the bottom block 6, and the transmission effect can effectively drive a follow-up device to detect different positions of the blade; the size of the inner surface of the sliding groove 8 is matched with the size of the outer surface of the sliding block 10, the second arc plate 11 is fixedly connected with the sliding block 10, the second arc plate 11 is connected with the sliding groove 8 in a sliding mode through the sliding block 10, and the sliding of the sliding groove 8 and the sliding block 10 achieves the change of the relative distance between the first arc plate 7 and the second arc plate 11, so that different blades are installed in a matched mode; the outer surface size of the fixed rod 14 is matched with the inner surface size of the annular groove 12, the fixed rod 14 is in sliding connection with the annular groove 12, the contact piece 15 is fixedly connected with the fixed rod 14, the contact piece 15 is electrically connected with the resistance block 13, the bent shape of the blade is changed to drive the fixed block 16 and the fixed rod 14 to be integrally positioned in the annular groove 12 to slide, the position of the contact piece 15 and the resistance block 13 is changed at the moment, and different electric signals are output; the fixed block 16 is fixedly connected with the fixed rod 14, the number of the bearing rods 17 is two, the two groups of bearing rods 17 are distributed in an axisymmetric mode about the horizontal central line of the fixed block 16, and the two groups of bearing rods 17 are correspondingly arranged at the upper end and the lower end of the blade detection position and can be better attached to the detection position of the blade; the bearing rod 17 is in threaded connection with the fixing block 16 through the fixing bolt 18, and the tightening or loosening of the fixing bolt 18 achieves the clamping fixing and loosening effects of the bearing rod 17 on the blade.

The utility model discloses a theory of operation and use flow: an operator fixedly installs two ends of a blade between fixed mounting frames 2, then enables an opening space of a first top arc plate 7 and an opening space of a second top arc plate 11 to be matched with the blade through sliding effects of a sliding groove 8 and a sliding block 10, then rotates a fixing bolt 18 to enable two groups of bearing rods 17 on one side of a fixed block 16 to be loosened, the fixing bolt 18 is screwed after the position of the blade needing to be detected is detected, the bearing rods 17 are fixed, then the servo motor 3 drives a transmission shaft 4 to rotate inside a base 1 through driving the servo motor 3, the transmission shaft 4 is in threaded connection with a threaded groove 9 at the bottom end of a bottom block 6, so that the whole bottom block 6 is driven to slide inside a moving chamber 5, a rotating effect of the bearing rods 17 and a blade contact end can be achieved through a bearing, so that the movement of the bottom block 6 enables the bearing rods 17 to detect different positions of the blade, the detection effect is achieved through the change of the joint positions of a contact sheet 15 and a resistance block 13 so as to know voltage signals of different sizes, so as to judge change wave lines of the detection positions of the blade detection positions, and the contact sheet 6 can be accurately compared with a sample plate detection device with a traditional contact plate with a sample plate with a traditional device with a sample plate with a more contact plate with a traditional device with the same shape of a traditional contact plate, so that the first contact plate 11, and the detection device, the second contact plate can be realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a detect frock for aeroengine blade profile detects, includes base (1), its characterized in that: the top end of the base (1) is provided with a fixed mounting rack (2), one side of the base (1) is provided with a servo motor (3), a transmission shaft (4) is arranged on one side of the servo motor (3), a moving chamber (5) is arranged at the top of the base (1), a bottom block (6) is arranged in the moving chamber (5), a first arc plate (7) is arranged at the top of the bottom block (6), the top surface of the bottom block (6) is provided with a sliding chute (8), one end of the bottom block (6) close to the transmission shaft (4) is provided with a thread groove (9) in a penetrating way, a sliding block (10) is arranged in the sliding groove (8), a second arc plate (11) is arranged at the top of the sliding block (10), a ring groove (12) is arranged on the surface of the first arc plate (7) in a penetrating way, one end of the first arc plate (7) close to the ring groove (12) is provided with a resistance block (13), a fixed rod (14) is arranged in the annular groove (12), a contact sheet (15) is arranged on one side of the fixed rod (14), a fixed block (16) is arranged on one side of the fixed rod (14) far away from the contact sheet (15), one side of the fixed block (16) is provided with a bearing rod (17), and a fixing bolt (18) penetrates through the surface of the fixing block (16).

2. The detection tool for detecting the blade shape of the aero-engine blade according to claim 1, wherein the detection tool comprises: the inner surface size of moving room (5) and the outer surface size phase-match of bottom block (6), bottom block (6) and moving room (5) sliding connection, servo motor (3) and base (1) fixed connection, transmission shaft (4) are connected with servo motor (3) transmission through the shaft coupling.

3. The detection tool for detecting the blade shape of the aero-engine blade according to claim 1, wherein the detection tool comprises: the inner diameter of the thread groove (9) is matched with the outer diameter of the transmission shaft (4), the thread groove (9) is in threaded connection with the transmission shaft (4), and the bottom block (6) is in transmission connection with the transmission shaft (4) through the thread groove (9).

4. The detection tool for detecting the blade shape of the aero-engine blade according to claim 1, wherein the detection tool comprises: the internal surface size of spout (8) and the external surface size phase-match of sliding block (10), second arc board (11) and sliding block (10) fixed connection, second arc board (11) pass through sliding block (10) and spout (8) sliding connection.

5. The detection tool for detecting the blade shape of the aero-engine blade according to claim 1, wherein the detection tool comprises: the surface size of dead lever (14) and the internal surface size phase-match of annular (12), dead lever (14) and annular (12) sliding connection, contact piece (15) and dead lever (14) fixed connection, contact piece (15) and resistance block (13) electric connection.

6. The detection tool for detecting the blade shape of the aero-engine blade according to claim 1, wherein the detection tool comprises: the fixed block (16) is fixedly connected with the fixed rod (14), the number of the bearing rods (17) is two, and the two groups of the bearing rods (17) are distributed in an axisymmetric mode relative to the horizontal center line of the fixed block (16).

7. The detection tool for detecting the blade shape of the aero-engine blade according to claim 1, wherein the detection tool comprises: the bearing rod (17) is in threaded connection with the fixing block (16) through a fixing bolt (18).