Thermal barrier coating material fixing device

Abstract

The utility model discloses a thermal barrier coating material fixing device which comprises a fixing device body, a fixing frame is arranged at the top of the fixing device body, a fixing piece is fixedly installed at the end of the fixing frame, a fixing block covers the surface of the fixing piece, and meanwhile a first support is fixedly welded to the bottom of the fixing frame. Supporting columns are fixedly welded to the ends, away from the fixing frame, of the first supports. According to the thermal barrier coating material fixing device, the thermal barrier coating material covers the three groups of fixing pieces on the surface of the fixing frame, and the thermal barrier coating is adsorbed and fixed on the surface of the fixing frame through the three groups of fixing blocks, so that the thermal barrier coating cannot fall off from the surface of the fixing frame when being tested; the fixing device bodies can be combined together to test a plurality of groups of thermal barrier coating samples, and the plurality of groups of fixing device bodies can be tightly concentrated together, so that more space is saved, and centralized management is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of thermal barrier coating material processing, concretely to a thermal barrier coating material fixing device. BACKGROUND

[0002] Thermal barrier coating is a layer of ceramic coating, which is deposited on the surface of high-temperature-resistant metal or superalloy. The thermal barrier coating plays a heat-insulating role for the base material, reduces the base temperature, so that the device made of it (such as engine turbine blade) can operate at high temperature, and the thermal efficiency of the device (engine, etc.) can be improved to more than 60%. With the development of aviation, aerospace and civil technology, the use temperature requirement of hot end parts is getting higher and higher, which has reached the limit of high-temperature alloy and single crystal material. Taking the heated parts of fuel turbine such as nozzle, blade and combustion chamber as an example, they are in harsh environments such as high-temperature oxidation and high-temperature gas erosion, and bear a temperature as high as 1100℃, which has exceeded the limit temperature (1075℃) of high-temperature nickel alloy. The thermal barrier coating prepared by combining the high strength and high toughness of metal with the high-temperature resistance of ceramic can solve the above problems. It can play the role of heat insulation, oxidation resistance and corrosion resistance, and has achieved certain application in hot end materials such as steam turbine, diesel generator and jet engine, and prolonged the service life of hot end parts.

[0003] There are many devices and methods for testing thermal barrier coating, which test the fracture toughness of thermal barrier coating at room temperature. When testing, the thermal barrier coating needs to be supported by a fixing device. Through retrieval, a kind of thermal barrier coating material fixing device convenient for is announced in CN214096895U. The fixing device includes a fixing bottom plate, a fixing cylinder fixedly connected to the top of the fixing bottom plate, a threaded cylinder movably connected to the top of the fixing cylinder, a threaded rod screwed to the top end of the threaded cylinder, a cross fixedly connected to the bottom end of the threaded rod, a first fastening bolt screwed to the bottom of the cross through a first bolt groove, and a support disc screwed to the top end of the first fastening bolt. The fixing cylinder is provided with two fixing cylinders, which are evenly distributed on the top of the fixing bottom plate.

[0004] Although the above-mentioned device can support the thermal barrier coating material, the thermal barrier coating material is not provided with a clamping assembly on the surface of the supporting device, which is easy to fall off. At the same time, multiple fixing devices are arranged linearly, which needs to occupy a large space and cannot be managed centrally. UTILITY MODEL CONTENT

[0005] The utility model discloses a purpose at providing a thermal barrier coating material fixing device to solve the defect mentioned in above -mentioned background art.

[0006] In order to realize above -mentioned purpose, provide a kind of thermal barrier coating material fixing device, including fixed device body, the top of the fixed device body is provided with fixed frame, and the end of fixed frame is fixedly installed with fixed sheet, the surface of fixed sheet is covered with fixed block, while the bottom of fixed frame is welded with first support, and the end of first support away from fixed frame is welded with support column, and the bottom of support column is fixedly installed with base.

[0007] Preferably, the fixed frame is a triangular structure made of metal material, and the three vertices of the fixed frame are fixedly provided with fixed sheets.

[0008] Preferably, the fixed sheet is circularly arranged, and the surfaces of the three fixed sheets are provided with fixed blocks, and the fixed blocks are cylindrical structures made of magnetic material.

[0009] Preferably, the bottom of the fixed frame is provided with a support column, and the support column and the fixed frame are fixedly connected through the first support, the second support and the third support.

[0010] Preferably, the first support, the second support and the third support are arranged in a triangular pyramid shape, and the bottoms of the first support, the second support and the third support are uniformly welded on the circumferential outer wall of the support column.

[0011] Preferably, the middle part of the fixed frame is provided with an opening, and the thermal barrier coating material covers the surface of the fixed frame and is fixedly connected through the three fixed sheets and the fixed blocks.

[0012] Preferably, the center of the base coincides with the central axis of the fixed frame, and the axial section of the base and the support column is a concentric circle structure, and the surface of the base is provided with arc-shaped openings on both sides.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The three fixed sheets of the thermal barrier coating material cover the surface of the fixed frame, and the thermal barrier coating is adsorbed and fixed on the surface of the fixed frame through the three fixed blocks, so that the thermal barrier coating does not fall off the surface of the fixed frame during testing.

[0015] 2. The fixed device body is triangularly arranged, and the fixed device bodies can be combined together, so that multiple thermal barrier coating samples can be tested, and multiple fixed device bodies can be closely concentrated together, saving space and facilitating centralized management. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a front view of the structure of the present application.

[0018] Figure 2 It is a bottom view of the present application. Figure 1

[0019] Figure 3 It is a working schematic view of the multiple sets of fixing device bodies being concentrated together.

[0020] Figure 4 It is a bottom view of the present application. Figure 2

[0021] The reference numerals in the drawings are as follows: 1, fixed frame; 2, opening; 3, fixed sheet; 4, fixed block; 5, first support; 51, second support; 52, third support; 6, base; 61, opening; 7, support column; 8, fixing device body. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0024] ​​In the utility model, unless another definite provision and limitation, the terms "connect", "fix" and the like should do broad sense understanding, for example, "fix" can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction relationship of two elements inside two elements, unless another definite limitation.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0025] In addition, if the embodiment of the utility model involves "first", "second" and the like description, the "first", "second" and the like description is only for the purpose of description, and can not be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of indicated technical features.Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature.In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme.In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that ordinary skilled in the art can realize, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not in the protection scope required by the utility model.

[0026] Please refer to Figures 1-4 The utility model provides a kind of thermal barrier coating material fixing device, including fixed device body 8, the top of fixed device body 8 is provided with fixed frame 1, and the end of fixed frame 1 is fixedly installed with fixed sheet 3, the surface of fixed sheet 3 is covered with fixed block 4, while the bottom of fixed frame 1 is welded with first support 5, and the end of first support 5 away from fixed frame 1 is welded with support column 7, and the bottom of support column 7 is fixedly installed with base 6.

[0027] Working principle: at room temperature, the fracture toughness of the thermal barrier coating is tested, and the thermal barrier coating is supported and fixed by the fixing device during the test. The thermal barrier coating material is covered on the surfaces of the three groups of fixing pieces 3 of the fixing frame 1, and the thermal barrier coating is adsorbed and fixed on the surface of the fixing frame 1 through the three groups of fixing blocks 4, so that the thermal barrier coating does not fall off the surface of the fixing frame 1 during the test. Meanwhile, the fixing device body 8 is triangularly arranged, and the fixing device body 8 can be combined together with the fixing device body 8 to test multiple thermal barrier coating samples. Multiple fixing device bodies 8 can be closely concentrated together to save space and facilitate centralized management. The fixing frame 1 and the supporting column 7 are fixed and supported by the first support 5, the second support 51 and the third support 52 arranged in the shape of a triangular pyramid, which reduces the gravity and cost of the device while ensuring the stability of the device during operation and preventing the device from falling over.

[0028] As a preferred embodiment, the fixing frame 1 is a triangular structure made of metal material, and the three vertices of the fixing frame 1 are fixedly provided with fixing pieces 3.

[0029] The fixing piece 3 is circularly arranged, and the surface of the three groups of fixing pieces 3 is provided with fixing blocks 4, and the fixing block 4 is a cylindrical structure made of magnetic material.

[0030] As a preferred embodiment, the bottom of the fixing frame 1 is provided with a supporting column 7, and the supporting column 7 is fixedly connected with the fixing frame 1 through the first support 5, the second support 51 and the third support 52.

[0031] The first support 5, the second support 51 and the third support 52 are arranged in the shape of a triangular pyramid, and the bottoms of the first support 5, the second support 51 and the third support 52 are uniformly welded on the circumferential outer wall of the supporting column 7.

[0032] As a preferred embodiment, the middle part of the fixing frame 1 is provided with an opening 2, and the thermal barrier coating material is covered on the surface of the fixing frame 1 and fixedly connected through the three groups of fixing pieces 3 and the fixing blocks 4.

[0033] The center of the base 6 coincides with the central axis of the fixing frame 1, and the axial section of the base 6 and the supporting column 7 is a concentric circle structure, and the surface of the base 6 is provided with arc-shaped openings 61 on both sides.

[0034] The above is only a preferred embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structural transformation or direct / indirect application in other related technical fields based on the inventive concept of the present application is included in the patent protection range of the present application.

Claims

1. A thermal barrier coating material fixture comprising a fixture body (8), characterised in that: The top of the fixing device body (8) is provided with a fixing frame (1), and the end of the fixing frame (1) is fixedly provided with a fixing sheet (3), the surface of the fixing sheet (3) is covered with a fixing block (4), the bottom of the fixing frame (1) is welded with a first support (5), and the end of the first support (5) away from the fixing frame (1) is welded with a supporting column (7), and the bottom of the supporting column (7) is fixedly provided with a base (6).

2. The apparatus of claim 1, wherein: The fixing frame (1) is a triangular structure made of metal material, and the three vertices of the fixing frame (1) are fixedly provided with fixing sheets (3).

3. The apparatus of claim 2, wherein: The fixing sheet (3) is circular, and the surfaces of the three fixing sheets (3) are provided with fixing blocks (4), and the fixing blocks (4) are cylindrical structures made of magnetic material.

4. The apparatus of claim 1, wherein: The bottom of the fixing frame (1) is provided with a supporting column (7), and the supporting column (7) and the fixing frame (1) are fixedly connected through the first support (5), the second support (51) and the third support (52).

5. The apparatus of claim 4, wherein: The first support (5), the second support (51) and the third support (52) are triangular pyramids, and the bottoms of the first support (5), the second support (51) and the third support (52) are evenly welded on the circumferential outer wall of the supporting column (7).

6. The apparatus of claim 1, wherein: The middle part of the fixing frame (1) is provided with an opening (2), and the surface of the fixing frame (1) is covered with a thermal barrier coating material and is fixedly connected through three fixing sheets (3) and fixing blocks (4).

7. The apparatus of claim 1, wherein: The center of the base (6) coincides with the central axis of the fixing frame (1), and the axial section of the base (6) and the supporting column (7) is a concentric circle structure, and the surfaces of the base (6) are provided with arc-shaped openings (61) on both sides.

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