Nozzle ring casting made of high-temperature alloy

Abstract

The utility model provides a nozzle ring casting made of high-temperature alloy. The nozzle ring casting comprises a plurality of arc-shaped castings, a plurality of positioning grooves, a plurality of positioning blocks and a plurality of fixing pieces, the multiple positioning grooves are formed among the multiple arc-shaped castings correspondingly, and the multiple positioning blocks are arranged in the multiple positioning grooves; the multiple fixing pieces are arranged between the multiple positioning blocks and the multiple arc-shaped castings correspondingly. According to the nozzle ring casting made of the high-temperature alloy, the multiple positioning grooves are formed among the multiple arc-shaped castings, the multiple positioning blocks and the multiple fixing pieces are matched for operation, and the multiple arc-shaped castings can be fixed after being spliced with one another; and the situation that later installation of the whole annular casting is affected due to the splicing protrusion condition is prevented, and splicing of the multiple arc-shaped castings is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to material science and engineering, foundry technology, aerospace, energy power field especially, a kind of nozzle ring castings of high-temperature alloy. BACKGROUND

[0002] In modern industry, the nozzle ring castings of high-temperature alloy need to have good high-temperature resistance, corrosion resistance and high strength due to the particularity of its working environment, at present, some high-temperature alloy nozzle ring castings are manufactured by using bolts to splice multiple arc-shaped nozzle ring castings of the same size, which facilitates production and transportation to some extent, reduces manufacturing difficulty, however, there are some problems in actual installation process, the protrusions of bolt positions on each arc-shaped nozzle ring casting will cause installation space limitation and installation precision difficult to control when multiple arc-shaped castings are spliced, especially in some occasions with extremely high installation precision requirements, such as aero-engine and high-end gas turbine, these protrusions can cause the following problems:

[0003] Installation error accumulation: the protrusions of multiple bolt connection points will affect the fitting precision between each arc-shaped casting, and as the number of spliced arc-shaped castings increases, installation error will gradually accumulate, resulting in that the overall shape and size deviation of the final nozzle ring exceeds the design requirement, which affects the guiding and accelerating performance of high-temperature gas, and further reduces the efficiency and performance of engine or gas turbine.

[0004] Increased assembly difficulty: the protrusions of bolt positions will make the butt joint between arc-shaped castings difficult, and more time and effort are needed for adjustment and alignment, which increases the workload and cost of assembly, and in the assembly process, the protruding parts may need to be additionally trimmed or polished, which not only increases the process complexity, but also may adversely affect the surface quality and performance of the casting.

[0005] Therefore, it is necessary to provide a nozzle ring casting of high-temperature alloy to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a nozzle ring casting of high-temperature alloy, solve the nozzle ring castings of high-temperature alloy now through multiple arc-shaped nozzle ring castings of the same size utilize bolt to splice, and the problem that the installation is caused inconveniently due to position protrusion when multiple bolts are used to connect multiple arc-shaped nozzle ring castings.

[0007] To solve the above technical problems, the utility model provides a nozzle ring casting of high-temperature alloy, comprising:

[0008] Multiple arc-shaped castings, multiple positioning grooves, multiple positioning blocks and multiple fixing pieces;

[0009] A plurality of positioning grooves are respectively arranged between the plurality of arc-shaped castings.

[0010] A plurality of fixing members are respectively arranged between the plurality of positioning blocks and the plurality of arc-shaped castings.

[0011] Preferably, the plurality of positioning blocks are internally provided with fixing through holes matched with the plurality of fixing members, and the inner walls of the plurality of positioning grooves are provided with fixing holes matched with the fixing members.

[0012] Preferably, the positioning blocks and the positioning grooves are used for the splicing positioning between the plurality of arc-shaped castings.

[0013] Preferably, the plurality of fixing members, the plurality of fixing through holes and the plurality of fixing holes are used for the fixing between the plurality of positioning blocks and the plurality of arc-shaped castings.

[0014] Preferably, the plurality of arc-shaped castings are internally provided with a plurality of sealing assemblies, the sealing assembly comprising an arc-shaped sealing gasket, a plurality of clamping blocks and a plurality of clamping grooves, the arc-shaped sealing gasket being arranged on the inner side of the arc-shaped casting, and the plurality of clamping blocks being respectively connected to one side of the arc-shaped sealing gasket.

[0015] Preferably, the plurality of clamping grooves are respectively arranged on the inner walls of the plurality of arc-shaped castings.

[0016] Preferably, the plurality of clamping blocks and the plurality of clamping grooves are used for the connection between the arc-shaped sealing gasket and the arc-shaped casting.

[0017] Compared with the related art, the nozzle ring casting of high-temperature alloy has the following beneficial effects:

[0018] The nozzle ring casting of high-temperature alloy is provided with a plurality of positioning grooves, a plurality of positioning blocks and a plurality of fixing members arranged between the plurality of arc-shaped castings, and the cooperation operation between the plurality of positioning grooves, the plurality of positioning blocks and the plurality of fixing members can fix the plurality of arc-shaped castings after the plurality of arc-shaped castings are spliced, so as to prevent the splicing protrusion from affecting the installation of the entire ring-shaped casting in the later period and facilitate the splicing between the plurality of arc-shaped castings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure schematic view of the first embodiment of the nozzle ring casting of high-temperature alloy provided by the utility model is shown in the figure.

[0020] Figure 2 The structure schematic view of the first embodiment of the nozzle ring casting of high-temperature alloy provided by the utility model is shown in the figure. Figure 1 The enlarged schematic view of A part shown in the figure.

[0021] Figure 3 The structure schematic view of the first embodiment of the nozzle ring casting of high-temperature alloy provided by the utility model is shown in the figure. Figure 1The B part enlarged schematic view shown is;

[0022] Figure 4 For Figure 1 The first perspective view of the nozzle ring casting shown is a three-dimensional structural schematic view;

[0023] Figure 5 For Figure 4 The C part enlarged schematic view shown is;

[0024] Figure 6 For Figure 1 The second perspective view of the nozzle ring casting shown is a three-dimensional structural schematic view;

[0025] Figure 7 For the second embodiment of the nozzle ring casting of the high-temperature alloy provided by the utility model is a structural schematic view;

[0026] Figure 8 For Figure 7 The D part enlarged schematic view shown is.

[0027] The figure mark: 1, the arc casting; 2, the positioning groove; 3, the positioning block; 4, the fixed part; 5, the fixed through hole; 6, the fixed hole; 7, the sealing assembly; 71, the arc sealing gasket; 72, the clamping block; 73, the clamping groove. Specific implementation

[0028] The utility model will be further explained below in combination with the drawings and implementation.

[0029] First embodiment

[0030] Please combine with reference to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 Among them, Figure 1 For the first embodiment of the nozzle ring casting of the high-temperature alloy provided by the utility model is a structural schematic view; Figure 2 The A part enlarged schematic view shown is; Figure 1 The B part enlarged schematic view shown is; Figure 3 The B part enlarged schematic view shown is; Figure 1 The first perspective view of the nozzle ring casting shown is a three-dimensional structural schematic view; Figure 4 The C part enlarged schematic view shown is; Figure 1 The C part enlarged schematic view shown is; Figure 5 The second perspective view of the nozzle ring casting shown is a three-dimensional structural schematic view. A nozzle ring casting of high-temperature alloy includes: Figure 4 Figure 6 Figure 1 The second perspective view of the nozzle ring casting shown is a three-dimensional structural schematic view. A nozzle ring casting of high-temperature alloy includes:

[0031] ​​A plurality of arc-shaped castings 1, a plurality of positioning grooves 2, a plurality of positioning blocks 3 and a plurality of fixing members 4;

[0032] A plurality of positioning grooves 2 are respectively arranged between a plurality of arc-shaped castings 1, and a plurality of positioning blocks 3 are arranged in the plurality of positioning grooves 2;

[0033] A plurality of fixing members 4 are respectively arranged between the plurality of positioning blocks 3 and the plurality of arc-shaped castings 1.

[0034] The plurality of positioning blocks 3 are internally provided with fixing through holes 5 matched with the plurality of fixing members 4, and the inner walls of the plurality of positioning grooves 2 are provided with fixing holes 6 matched with the fixing members 4.

[0035] The shapes of the positioning grooves 2 and the positioning blocks 3 are matched with the shape of the arc-shaped castings 1, and the fixing members 4 are connected with the positioning blocks 3 and the arc-shaped castings 1 through pulling and inserting.

[0036] The positioning blocks 3 and the positioning grooves 2 are used for the splicing positioning between the plurality of arc-shaped castings 1.

[0037] The plurality of fixing members 4, the plurality of fixing through holes 5 and the plurality of fixing holes 6 are used for the fixing between the plurality of positioning blocks 3 and the plurality of arc-shaped castings 1.

[0038] The working principle of the nozzle ring casting of the high-temperature alloy provided by the utility model is as follows:

[0039] In use, when the plurality of arc-shaped castings 1 are spliced, the arc-shaped castings 1 are first spliced together, then the plurality of positioning blocks 3 are connected with the plurality of positioning grooves 2 arranged between the plurality of arc-shaped castings 1, and finally the plurality of fixing members 4 are connected with the fixing through holes 5 and the fixing holes 6 arranged between the plurality of positioning blocks 3 and the plurality of arc-shaped castings 1.

[0040] Compared with the related art, the nozzle ring casting of the high-temperature alloy provided by the utility model has the following beneficial effects:

[0041] The utility model provides a nozzle ring casting of high-temperature alloy, and the cooperation between the plurality of positioning grooves 2, the plurality of positioning blocks 3 and the plurality of fixing members 4 arranged between the plurality of arc-shaped castings 1 can fix the plurality of arc-shaped castings 1 after splicing, prevent the splicing protrusion from affecting the installation of the entire ring-shaped casting in the later period and facilitate the splicing between the plurality of arc-shaped castings 1.

[0042] Second embodiment

[0043] Please refer to Figure 7 and Figure 8, based on the first embodiment of the present application provides a high-temperature alloy nozzle ring casting, the second embodiment of the present application proposes another high-temperature alloy nozzle ring casting. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0044] Specifically, the second embodiment of the present application provides a high-temperature alloy nozzle ring casting, which is different from the first embodiment of the present application. The high-temperature alloy nozzle ring casting is provided with a plurality of sealing assemblies 7 in the plurality of arc-shaped castings 1. The sealing assembly 7 comprises an arc-shaped sealing pad 71, a plurality of clamping blocks 72 and a plurality of clamping grooves 73. The arc-shaped sealing pad 71 is arranged on the inner side of the arc-shaped casting 1. The plurality of clamping blocks 72 are respectively connected to one side of the arc-shaped sealing pad 71.

[0045] The plurality of clamping grooves 73 are respectively arranged on the inner walls of the plurality of arc-shaped castings 1.

[0046] The plurality of clamping blocks 72 and the plurality of clamping grooves 73 are used for connecting the arc-shaped sealing pad 71 and the arc-shaped casting 1.

[0047] The shape of the clamping block 72 and the clamping groove 73 is a matching T shape. One side of the arc-shaped sealing pad 71 is attached to the inner wall of the arc-shaped casting 1.

[0048] The working principle of the high-temperature alloy nozzle ring casting provided by the present application is as follows:

[0049] When using, when connecting the plurality of arc-shaped sealing pads 71 and the plurality of arc-shaped castings 1, first, the arc-shaped sealing pad 71 with the plurality of clamping blocks 72 is contacted with the clamping groove 73 arranged on the surface of the arc-shaped casting 1, and then the arc-shaped sealing pad 71 is pushed to drive the clamping block 72 to be connected with the clamping groove 73 arranged on the surface of the arc-shaped casting 1.

[0050] Compared with the related art, the high-temperature alloy nozzle ring casting provided by the present application has the following beneficial effects:

[0051] The high-temperature alloy nozzle ring casting provided by the present application is provided with a plurality of arc-shaped sealing pads 71, a plurality of clamping blocks 72 and a plurality of clamping grooves 73 between the plurality of arc-shaped castings 1, which facilitates the sealing effect during the installation of the entire device.

[0052] The above is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process conversion obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A nozzle ring casting of a high temperature alloy, characterized in that, The utility model relates to a kind of arc-shaped castings, a kind of positioning slot, a kind of positioning block and a kind of fixing piece. Multiple positioning slots are respectively arranged between multiple arc-shaped castings, and multiple positioning blocks are arranged in multiple positioning slots. Multiple fixing pieces are respectively arranged between multiple positioning blocks and multiple arc-shaped castings. Multiple fixing holes are arranged in the inner wall of multiple positioning slots and matched with the fixing pieces.

2. The nozzle ring casting of a high-temperature alloy according to claim 1, characterized in that, The positioning block and the positioning slot are used for the splicing positioning between multiple arc-shaped castings.

3. The nozzle ring casting of a high-temperature alloy according to claim 1, characterized by Multiple fixing pieces, multiple fixing holes and multiple fixing holes are used for the fixing between multiple positioning blocks and multiple arc-shaped castings.

4. The nozzle ring casting of a high-temperature alloy according to claim 2, characterized by Multiple sealing assemblies are arranged in multiple arc-shaped castings, and the sealing assembly comprises an arc-shaped sealing gasket, multiple clamping blocks and multiple clamping grooves.

5. The nozzle ring casting of a high-temperature alloy according to claim 1, characterized by Multiple clamping grooves are respectively arranged in the inner wall of multiple arc-shaped castings.

6. The nozzle ring casting of a high-temperature alloy according to claim 5, characterized in that, Multiple clamping blocks and multiple clamping grooves are used for the connection between the arc-shaped sealing gasket and the arc-shaped castings.

7. The nozzle ring casting of a high-temperature alloy according to claim 5, characterized in that, ​

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