CN219015274U

CN219015274U - Electronic gauge for high-pressure turbine blade clearance

Info

Publication number: CN219015274U
Application number: CN202223586746.4U
Authority: CN
Inventors: 高杰; 袁德贝; 吴翠鑫
Original assignee: Qingdao Huaxiang Aviation Technology Co ltd
Current assignee: Qingdao Huaxiang Aviation Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-05-12
Anticipated expiration: 2032-12-31

Abstract

The utility model provides a high-pressure turbine blade clearance electronic gauge, which belongs to the field of turbine blade gauges, and comprises: the device comprises a base, a detection platform, a part to be detected and a measurement module fixing seat; the base is provided with a sliding rail and an air cylinder, a sliding block for driving the detection platform to move is arranged on the sliding rail in a sliding manner, and the sliding block is connected with the output end of the air cylinder; four thin cylinders for detecting the lifting of the platform are arranged on the base; the detection platform is provided with a first positioning seat, a second positioning seat, a third positioning seat and a fourth positioning seat which are used for limiting the part to be detected. The utility model can be carried out in a detection laboratory or put on site for operation, thereby saving the transfer cost; the three-coordinate detection of the blade gap of 1 6-joint blade part usually requires about 5 minutes, and the detection tool can be completed within 1 minute, so that the efficiency is greatly improved; the requirements on the professional skills of the operators are low, and the operators can operate the device with simple training.

Description

Electronic gauge for high-pressure turbine blade clearance

Technical Field

The utility model relates to the technical field of turbine blade inspection tools, in particular to an electronic high-pressure turbine blade clearance inspection tool.

Background

The size of the gaps between the blades of the multi-bladed part, which is a critical dimension of interest for the overall performance of the turbine engine, requires 100% measurement. Because the part blade is a complex curved surface and has accurate requirements on the measurement position, the common measuring tool cannot directly measure, and three-coordinate or white light/blue light scanning detection is selected, so that the cost is high, the operation is complex, the detection time is long, the skill level of the inspector is also required to be higher, and the mass production performance is not realized.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the electronic gauge for the clearance of the high-pressure turbine blade.

Embodiments of the present utility model provide a high pressure turbine blade clearance electronic gauge comprising:

the device comprises a base, a detection platform, a part to be detected and a measurement module fixing seat;

the base is provided with a sliding rail and an air cylinder, a sliding block for driving the detection platform to move is arranged on the sliding rail in a sliding manner, and the sliding block is connected with the output end of the air cylinder; four thin cylinders for detecting the lifting of the platform are arranged on the base;

the detection platform is provided with a first positioning seat, a second positioning seat, a third positioning seat and a fourth positioning seat which limit the part to be detected;

the measuring module fixing seat is connected with a pneumatic measuring head, a mini cylinder and a positioning block, the positioning block is connected with the measuring module fixing seat through a guide rod, the pneumatic measuring head is connected with the positioning block, a connecting rod is arranged on the positioning block, and a measuring block and a measuring rod are arranged on the connecting rod.

Further, a PLC controller is installed at the bottom of the base.

Further, a first starting switch, a second starting switch, a first emergency stop switch and a second emergency stop switch are arranged on the base.

Further, a first limiting part for positioning the part to be detected is connected to the first positioning seat;

the second locating seat is connected with a second limiting part for locating the part to be detected;

the third positioning seat is connected with a third limiting part and a fourth limiting part for positioning the part to be detected;

the third positioning seat is connected with a pressing plate for fixing the part to be detected;

a fifth limiting part for positioning the part to be detected is connected to the fourth positioning seat;

and a sixth limiting part for positioning the part to be detected is connected to the fourth positioning seat.

Further, the upper cover plate is connected with a reset switch for detecting that the platform returns to the initial position after the measurement process is interrupted.

Further, the upper cover plate is connected with a part datum point contact indicator lamp.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can be carried out in a detection laboratory or put on site for operation, thereby saving the transfer cost; the three-coordinate detection of the blade gap of 1 6-joint blade part usually requires about 5 minutes, and the detection tool can be completed within 1 minute, so that the efficiency is greatly improved; the requirements on the professional skills of the operators are low, and the operators can operate the device with simple training.

Drawings

FIG. 1 is a schematic view of an electronic gauge for clearance of a high pressure turbine blade according to an embodiment of the present utility model.

FIG. 2 is a schematic view of a base of the electronic gauge for high pressure turbine blade clearance in accordance with an embodiment of the present utility model.

FIG. 3 is a schematic view of a structure of a testing platform in the electronic gauge for high-pressure turbine blade clearance according to an embodiment of the present utility model.

FIG. 4 is a schematic view of an upper cover plate of the electronic gauge for high pressure turbine blade clearance in accordance with an embodiment of the present utility model.

FIG. 5 is a schematic view of a mounting base for a measurement module in an electronic gauge for clearance of a high pressure turbine blade according to an embodiment of the present utility model.

In the above figures: 1 base, 2 testing platform, 3 upper cover plate, 4 to-be-tested parts, 5 measuring module fixing seat, 6PLC controller, 11 start switch I, 12 slide block, 13 start switch II, 14 scram switch I, 15 slide rail, 16 cylinder, 17 thin cylinder, 18 scram switch II, 21 first positioning seat, 211 first spacing part, 22 second positioning seat, 221 second spacing part, 23 third positioning seat, 231 third spacing part, 232 fourth spacing part, 233 clamp plate, 24 fourth positioning seat, 241 fifth spacing part, 242 sixth spacing part, 31 reset switch, 32 pressure regulating valve, 33 part datum point contact indicator lamp, 34 warning lamp, 51 pneumatic measuring head, 52 mini cylinder, 53 positioning block, 54 connecting rod, 541 measuring block, 542 measuring rod.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-5, an embodiment of the present utility model provides a high-pressure turbine blade clearance electronic gauge, including:

the device comprises a base 1, a detection platform 2, a part to be detected 4 and a measurement module fixing seat 5, and further comprises a PLC (programmable logic controller) 6 arranged at the bottom of the base 1; the base 1 is provided with a first starting switch 11, a second starting switch 13, a first emergency stop switch 14 and a second emergency stop switch 18, wherein the first starting switch 11 and the second starting switch 13 are used for starting the electronic gauge, and the first emergency stop switch 14 and the second emergency stop switch 18 are used for emergency stop;

the base 1 is provided with a slide rail 15 and an air cylinder 16, the slide rail 15 is provided with a slide block 12 for driving the detection platform 2 to move in a sliding manner, and the slide block 12 is connected with the output end of the air cylinder 16 and is used for pushing the detection platform 2 to reach the detection and part clamping positions; four thin air cylinders 17 for lifting the detection platform 2 are arranged on the base 1 and are used for driving the detection platform 2 to reach a detection or part clamping position, and the detection platform 2 is arranged on the sliding block 12 through a telescopic guide rod, so that the detection platform can synchronously and horizontally move along with the sliding block 12, and can be driven by the thin air cylinders 17 to move up and down;

the detection platform 2 is provided with a first positioning seat 21, a second positioning seat 22, a third positioning seat 23 and a fourth positioning seat 24 which limit the part 4 to be detected, and the first positioning seat 21, the second positioning seat 22, the third positioning seat 23 and the fourth positioning seat 24 are provided with fastening bolts;

a first limiting part 211 for positioning the part 4 to be detected is connected to the first positioning seat 21;

the second positioning seat 22 is connected with a second limiting part 221 for positioning the part 4 to be detected;

the third positioning seat 23 is connected with a third limiting part 231 and a fourth limiting part 232 for positioning the part 4 to be detected;

the third positioning seat 23 is connected with a pressing plate 233 for fixing the part 4 to be detected;

a fifth limiting part 241 for positioning the part 4 to be detected is connected to the fourth positioning seat 24;

the fourth positioning seat 24 is connected with a sixth limiting part 242 for positioning the part 4 to be detected;

the upper cover plate 3 is connected with a reset switch 31 for detecting that the platform 2 returns to an initial position after the measurement process is interrupted, and the upper cover plate 3 is connected with a pressure regulating valve 32 for regulating the input air pressure; the upper cover plate 3 is connected with a part datum point contact indicator lamp 33 and a warning lamp 34, which are used for displaying whether the measured part 4 is in contact with the first limiting part 211, the second limiting part 221, the third limiting part 231, the fourth limiting part 232, the fifth limiting part 241 and the sixth limiting part 242;

the measurement module fixing seat 5 is connected with a pneumatic measuring head 51, a mini cylinder 52 and a positioning block 53, the positioning block 53 is connected with the measurement module fixing seat 5 through a guide rod, the pneumatic measuring head 51 is connected with the positioning block 53, a connecting rod 54 is installed on the positioning block 53, and a measurement block 541 and a measurement rod 542 are installed on the connecting rod 54.

The detailed working process of the utility model is as follows:

1. ventilating and electrifying a RENE77 material 6-linked blade clearance electronic gauge for the high-pressure turbine;

2. the two reset switches 31 are respectively pressed by two hands, and the detection platform 2 returns to the initial position, as shown in fig. 3;

3. placing the part 4 to be detected on the first positioning seat 21, the second positioning seat 22, the third positioning seat 23 and the fourth positioning seat 24, and confirming the fitting with the first limiting part 211, the second limiting part 221, the third limiting part 231, the fourth limiting part 232, the fifth limiting part 241 and the sixth limiting part 242, wherein the part datum point contact indicator lamp 33 is fully lightened at the moment;

4. the part 4 to be detected is fixed on the third positioning seat 23 by using the pressing plate 233, and the fixing bolts on the first positioning seat 21, the second positioning seat 22, the third positioning seat 23 and the fourth positioning seat 24 are screwed down to fix the part 4 to be detected;

5. the first starting switch 11 and the second starting switch 13 are respectively pressed by two hands, the warning lamp 34 is lightened, the air cylinder 16 drives the detection platform 2 to move rightwards, and after the detection platform 2 reaches a preset position, the thin air cylinder 17 jacks up the detection platform 2, so that the detection platform 2 reaches a detection position;

6. the mini cylinder 52 drives the positioning block 53 to move downwards firstly, so that the measuring rod 542 and the blade back of the part 4 to be detected are not moved after being contacted with each other, the probe of the pneumatic measuring head 51 pops up and contacts with the measuring block 541, and the detected data is recorded into a computer through the PLC 6;

7. the mini cylinder 52 drives the positioning block 53 to move upwards, so that the measuring rod 542 and the rear edge of the blade of the part 4 to be detected are not moved after being contacted with each other, the probe of the pneumatic measuring head 51 pops up and contacts the measuring block 541, and the detected data is recorded into a computer through the PLC 6;

8. software preloaded in the computer can obtain the clearance of the measuring blade by calculating the measurement data twice.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. High pressure turbine blade clearance electron examines utensil, its characterized in that includes:

the device comprises a base (1), a detection platform (2), a part to be detected (4) and a measurement module fixing seat (5);

a slide rail (15) and a cylinder (16) are arranged on the base (1), a slide block (12) for driving the detection platform (2) to move is arranged on the slide rail (15) in a sliding mode, and the slide block (12) is connected with the output end of the cylinder (16); four thin cylinders (17) for detecting the lifting of the platform (2) are arranged on the base (1);

the detection platform (2) is provided with a first positioning seat (21), a second positioning seat (22), a third positioning seat (23) and a fourth positioning seat (24) which limit the part (4) to be detected;

the measuring module fixing seat (5) is connected with a pneumatic measuring head (51), a mini cylinder (52) and a positioning block (53), the positioning block (53) is connected with the measuring module fixing seat (5) through a guide rod, the pneumatic measuring head (51) is connected with the positioning block (53), a connecting rod (54) is installed on the positioning block (53), and a measuring block (541) and a measuring rod (542) are installed on the connecting rod (54).

2. The high pressure turbine blade clearance electronic gauge of claim 1, wherein:

the bottom of the base (1) is provided with a PLC (programmable logic controller) 6.

3. The high pressure turbine blade clearance electronic gauge of claim 1, wherein:

the base (1) is provided with a first starting switch (11), a second starting switch (13), a first emergency stop switch (14) and a second emergency stop switch (18).

4. The high pressure turbine blade clearance electronic gauge of claim 1, wherein:

a first limiting part (211) for positioning the part (4) to be detected is connected to the first positioning seat (21);

a second limiting part (221) for positioning the part (4) to be detected is connected to the second positioning seat (22);

a third limiting part (231) and a fourth limiting part (232) for positioning the part (4) to be detected are connected to the third positioning seat (23);

the third positioning seat (23) is connected with a pressing plate (233) for fixing the part (4) to be detected;

a fifth limiting part (241) for positioning the part (4) to be detected is connected to the fourth positioning seat (24);

and a sixth limiting part (242) for positioning the part (4) to be detected is connected to the fourth positioning seat (24).

5. The high pressure turbine blade clearance electronic gauge of claim 1, wherein:

the upper cover plate (3) is connected with a reset switch (31) for detecting that the platform (2) returns to the initial position after the measurement process is interrupted.

6. The high pressure turbine blade clearance electronic gauge of claim 5, wherein:

the upper cover plate (3) is connected with a part datum point contact indicator lamp (33).