Testing device for simulating blade tenon of gas turbine

Abstract

The utility model discloses a testing device for simulating a blade tenon of a gas turbine, which is applied to the technical field of blade tenon testing and is characterized in that a driving motor drives a fixed shaft to rotate, when the fixed shaft rotates, magnetic powder in a storage tank can be stirred, and a through hole and a powder outlet are intermittently matched, so that the blade tenon of the gas turbine can be simulated. An electric cylinder is started to drive a toothed plate to move, so that a first sector gear and a second sector gear can drive a connecting shaft to rotate, a connecting rod drives clamping blocks to get close to each other to clamp the tenon, and then a magnetic field generator is started to perform magnetic field test detection on the tenon.

Description

Technical Field

[0001] This utility model belongs to the field of blade tenon testing technology, and specifically relates to a testing device for simulating the tenon of a gas turbine blade. Background Technology

[0002] Blades are key components of aero engines and gas turbines, and their quality plays a decisive role in the performance and safety of aero engines and gas turbines. As an important load-bearing area of ​​the blade, the tenon part has even stricter requirements for its surface and near-surface quality. Therefore, magnetic particle testing is often used to detect surface defects in the tenon.

[0003] Currently, some testing devices typically involve manually sprinkling magnetic powder onto the tenon when inspecting it. However, manually sprinkling the powder is not only inefficient but also prone to uneven application, which affects the accuracy of subsequent testing. Utility Model Content

[0004] The purpose of this invention is to provide a test device for simulating the tenon of a gas turbine blade, the advantage of which is that it can automatically and evenly sprinkle magnetic powder onto the tenon.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a test device for simulating the tenon of a gas turbine blade, comprising a shell, a test platform fixedly connected to the bottom of the inner cavity of the shell, a magnetic field generator provided on one side of the shell, a magnetic core provided on the top of the test platform, a fixing block fixedly connected to the inner wall of the shell, a powder-spreading assembly provided on the top of the fixing block, and the magnetic field generator electrically connected to the magnetic core; the powder-spreading assembly includes a storage tank fixed to the top of the fixing block, a cover plate provided on the top of the storage tank, a motor provided at the bottom of the cover plate, a fixed shaft fixedly connected to the output end of the motor, a stirring blade fixedly connected to the bottom end of the fixed shaft, a through hole provided on the inner wall of the stirring blade, and a powder outlet hole provided on the inner wall of the storage tank.

[0006] The above technical solution facilitates the even application of magnetic powder to the tenon.

[0007] The present invention is further configured such that: the powder-spreading assembly also includes a screw threaded to the inner wall of the cover plate, one end of the screw passing through the cover plate and threadedly connected to the inner wall of the storage tank.

[0008] The above technical solution facilitates the disassembly and assembly of the cover plate.

[0009] The present invention is further configured such that the powder-sprinkling assembly includes a mounting base fixed to the top of the cover plate, and the motor is located inside the mounting base.

[0010] The above technical solution facilitates the installation and fixation of the motor.

[0011] The present invention is further configured such that the outer casing includes an electric cylinder, a gear plate, a first sector gear, a second sector gear, a connecting shaft, a connecting rod, and a clamping block, and the top of the outer casing is provided with an electric cylinder.

[0012] The above technical solution facilitates the rotation of the two sector gears.

[0013] The present invention is further configured such that the push rod of the electric cylinder is fixedly connected to a toothed plate, and the outer side of the toothed plate is respectively meshed with a first sector gear and a second sector gear. The inner rings of the first sector gear and the second sector gear are both fixedly connected to a connecting shaft. One end of the connecting shaft is fixedly connected to a connecting rod, and one end of the connecting rod is fixedly connected to a clamping block.

[0014] The above technical solution facilitates the clamping of the tenon.

[0015] The present invention is further configured such that one end of the connecting shaft is rotatably connected to the inner wall of the outer casing via a bearing seat.

[0016] By adopting the above technical solution, the connecting shaft can rotate stably.

[0017] The present invention is further configured such that the testing station includes a trough, a collection frame and a mounting block, the inner wall of the testing station is provided with a trough, the inside of the testing station is provided with a collection frame, the bottom of the collection frame is fixedly connected to the mounting block, and the outer side of the mounting block is slidably connected to the inner wall of the testing station.

[0018] The above technical solution facilitates the collection of magnetic particles.

[0019] The present invention is further provided that a handle is provided on one side of the collection frame.

[0020] The above technical solution facilitates the movement of the collection box.

[0021] In summary, this utility model has the following beneficial effects:

[0022] 1. By setting up a powder-spraying component, magnetic powder can be automatically and evenly sprinkled onto the tenon, which is convenient and quick, and improves the accuracy of tenon inspection.

[0023] 2: Start the electric cylinder to move the gear plate, which will cause the first sector gear and the second sector gear to drive the connecting shaft to rotate, and cause the connecting rod to drive the clamping blocks to move closer to each other, clamping the tenon. Then start the magnetic field generator to perform a magnetic field test on the tenon. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the powder-spreading component of this utility model;

[0026] Figure 3 This is a structural schematic diagram of the connecting shaft and connecting rod of this utility model.

[0027] Reference numerals: 1. Outer shell; 101. Electric cylinder; 102. Gear plate; 103. First sector gear; 104. Second sector gear; 105. Connecting shaft; 106. Connecting rod; 107. Clamping block; 2. Detection table; 201. Leakage groove; 202. Collection frame; 203. Mounting block; 3. Magnetic field generator; 4. Magnetic core; 5. Fixing block; 6. Powder spreading assembly; 601. Storage tank; 602. Cover plate; 603. Motor; 604. Fixing shaft; 605. Stirring blade; 606. Through hole; 607. Powder outlet hole; 608. Screw; 609. Mounting base. Detailed Implementation

[0028] The present invention will be further described in detail below with reference to the accompanying drawings.

[0029] Example 1:

[0030] refer to Figure 1 and Figure 2 A test device simulating the tenon joint of a gas turbine blade includes a housing 1. A test platform 2 is fixedly connected to the bottom of the inner cavity of the housing 1. A magnetic field generator 3 is arranged on one side of the housing 1. A magnetic core 4 is arranged on the top of the test platform 2. The number of magnetic cores 4 is several. A fixing block 5 is fixedly connected to the inner wall of the housing 1. A powder-spreading assembly 6 is arranged on the top of the fixing block 5. The magnetic field generator 3 is electrically connected to the magnetic core 4. The powder-spreading assembly 6 includes a storage tank 601 fixed to the top of the fixing block 5. A cover plate 602 is arranged on the top of the storage tank 601. A motor 603 is arranged at the bottom of the cover plate 602. A fixing shaft 604 is fixedly connected to the output end of the motor 603. A stirring blade 605 is fixedly connected to the bottom end of the fixing shaft 604. A through hole 606 is opened on the inner wall of the stirring blade 605. A powder outlet hole 607 is opened on the inner wall of the storage tank 601.

[0031] A tenon is set at the top center of the testing platform 2. The magnetic field generator 3 is activated to make several magnetic cores 4 generate a magnetic field, which facilitates the testing of the tenon.

[0032] refer to Figure 2 The powder-spraying component 6 also includes a screw 608 threaded to the inner wall of the cover plate 602. One end of the screw 608 passes through the cover plate 602 and is threaded to the inner wall of the storage tank 601. The screw 608 makes it easy to remove the cover plate 602 from the storage tank 601, so as to facilitate the addition of magnetic powder inside and the cleaning of the stirring blade 605.

[0033] The powder-spraying assembly 6 also includes a mounting base 609 fixed to the top of the cover plate 602, and the motor 603 is located inside the mounting base 609.

[0034] Brief description of the usage process: Start the motor 603 to drive the fixed shaft 604 to rotate. When the fixed shaft 604 rotates, it can stir the magnetic powder in the storage tank 601 and make the through hole 606 and the powder outlet hole 607 intermittently match, so that the magnetic powder is evenly sprinkled on the tenon from the powder outlet hole 607, which is convenient and quick and improves the accuracy of tenon inspection.

[0035] Example 2:

[0036] refer to Figure 1 and Figure 3 The outer casing 1 includes an electric cylinder 101, a gear plate 102, a first sector gear 103, a second sector gear 104, a connecting shaft 105, a connecting rod 106, and a clamping block 107. The electric cylinder 101 is provided on the top of the outer casing 1.

[0037] The push rod of the electric cylinder 101 is fixedly connected to a toothed plate 102. The outer side of the toothed plate 102 is respectively meshed with a first sector gear 103 and a second sector gear 104. The inner rings of the first sector gear 103 and the second sector gear 104 are fixedly connected to a connecting shaft 105. One end of the connecting shaft 105 is fixedly connected to a connecting rod 106, and one end of the connecting rod 106 is fixedly connected to a clamping block 107.

[0038] refer to Figure 3 One end of the connecting shaft 105 is rotatably connected to the inner wall of the outer casing 1 through a bearing seat.

[0039] refer to Figure 1 The testing platform 2 includes a trough 201, a collection frame 202, and a mounting block 203. The inner wall of the testing platform 2 has a trough 201, and the inside of the testing platform 2 is provided with a collection frame 202. The bottom of the collection frame 202 is fixedly connected to the mounting block 203, and the outer side of the mounting block 203 is slidably connected to the inner wall of the testing platform 2. Magnetic powder that falls on the testing platform 2 falls into the collection frame 202 through the trough 201 for collection.

[0040] A handle is provided on one side of the collection box 202.

[0041] Brief description of the usage process: Start the electric cylinder 101 to drive the toothed plate 102 to move, so that the first sector gear 103 and the second sector gear 104 can drive the connecting shaft 105 to rotate, and the connecting rod 106 can drive the clamping block 107 to move closer to each other to clamp the tenon. Then, start the magnetic field generator 3 to perform a magnetic field test on the tenon.

[0042] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A test device simulating a gas turbine blade tenon comprising a housing (1), characterized in that: The bottom of the inner cavity of the shell (1) is fixedly connected with a detection table (2), one side of the shell (1) is provided with a magnetic field generator (3), the top of the detection table (2) is provided with a magnetic core (4), the inner wall of the shell (1) is fixedly connected with a fixed block (5), the top of the fixed block (5) is provided with a powder scattering assembly (6), and the magnetic field generator (3) is electrically connected with the magnetic core (4); The powder scattering assembly (6) comprises a storage tank (601) fixed to the top of the fixed block (5), a cover plate (602) provided on the top of the storage tank (601), a motor (603) provided on the bottom of the cover plate (602), a fixed shaft (604) fixedly connected to the output end of the motor (603), a stirring blade (605) fixedly connected to the bottom end of the fixed shaft (604), and a through hole (606) formed in the inner wall of the stirring blade (605), and a powder outlet (607) formed in the inner wall of the storage tank (601).

2. An apparatus for testing a simulated gas turbine blade tenon according to claim 1, characterized in that: The powder scattering assembly (6) further comprises a screw (608) threadedly connected to the inner wall of the cover plate (602), one end of the screw (608) penetrating the inner wall of the cover plate (602) and being threadedly connected with the storage tank (601).

3. An apparatus for testing a simulated gas turbine blade tenon according to claim 1, wherein: The powder scattering assembly (6) further comprises a mounting seat (609) fixed to the top of the cover plate (602), and the motor (603) is located in the mounting seat (609).

4. An apparatus for testing a simulated gas turbine blade tenon according to claim 1, wherein: The shell (1) comprises an electric cylinder (101), a toothed plate (102), a first sector gear (103), a second sector gear (104), a connecting shaft (105), a connecting rod (106) and a clamping block (107), and the top of the shell (1) is provided with the electric cylinder (101).

5. An apparatus for testing a simulated gas turbine vane tip according to claim 4, wherein: The top rod of the electric cylinder (101) is fixedly connected with the toothed plate (102), the outer side of the toothed plate (102) is respectively engaged with the first sector gear (103) and the second sector gear (104), the inner ring of the first sector gear (103) and the second sector gear (104) is fixedly connected with the connecting shaft (105), one end of the connecting shaft (105) is fixedly connected with the connecting rod (106), and one end of the connecting rod (106) is fixedly connected with the clamping block (107).

6. An apparatus for testing a simulated gas turbine vane tip as defined in claim 5, wherein: One end of the connecting shaft (105) is rotatably connected with the inner wall of the shell (1) through a bearing seat.

7. An apparatus for testing a simulated gas turbine vane tip as defined in claim 1, wherein: The detection table (2) comprises a leakage groove (201), a collection frame (202) and a mounting block (203), the inner wall of the detection table (2) is provided with the leakage groove (201), the inside of the detection table (2) is provided with the collection frame (202), the bottom of the collection frame (202) is fixedly connected with the mounting block (203), and the outer side of the mounting block (203) is slidably connected with the inner wall of the detection table (2).

8. An apparatus for testing a simulated gas turbine vane tip according to claim 7, wherein: One side of the collection frame (202) is provided with a handle.

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