Integrally-formed high-temperature alloy impeller disc

Abstract

The integrally-formed high-temperature alloy impeller disc comprises an impeller disc component, a plurality of blade components are evenly arranged outside the impeller disc component, a flow channel is formed between every two adjacent blade components, each blade component comprises a blade body, and a blade connecting component is arranged at the end, located on the impeller disc component, of each blade body. The outer wall of the wheel disc component is integrally connected with a connecting positioning block, the connecting positioning block is matched with the blade connecting component, and the impeller has the advantages that the impeller is simple in structure and convenient to use, when any one or more blade components are damaged, the blade components can be replaced in time, scrapping of the whole wheel disc component is avoided, and the service life of the impeller is prolonged. And the cost is greatly saved.

Description

Technical Field

[0001] The utility model relates to the technical field of impeller disks, and in particular to an integrally formed high-temperature alloy impeller disk. Background Art

[0002] The impeller refers to the wheel disc equipped with moving blades, which is a component of the impulse steam turbine rotor, and can also refer to the general term for the wheel disc and the rotating blades installed on it. Impellers can be classified according to their shape and opening and closing conditions.

[0003] However, the current traditional high-temperature alloy impeller disc is prone to serious wheel wear or deformation after long-term use, resulting in damage to the blades after a period of use, causing the entire impeller disc to be scrapped, resulting in great waste.

[0004] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention aims to provide an integrally formed high-temperature alloy impeller disk.

[0006] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solution: an integrally formed high-temperature alloy impeller disk, including a disk component, a plurality of blade components are evenly arranged on the outside of the disk component, and a flow channel is formed between adjacent blade components. The blade component includes a blade body, and the blade body is located at one end of the disk component and is provided with a blade connecting component. The outer wall of the disk component is integrally connected with a connecting positioning block, and the connecting positioning block cooperates with the blade connecting component.

[0007] Preferably, the blade connecting component includes an assembly block integrally connected to the blade body, an assembly cavity is provided at one end of the assembly block, and the assembly cavity matches the connection positioning block, and mounting holes are provided at the upper and lower ends of the assembly block, and connecting bolts are threaded on the mounting holes, and the connection positioning block is detachably connected to the assembly block through the connecting bolts and the mounting holes.

[0008] Preferably, elastic positioning pieces are provided on both sides of the inner wall of the assembly cavity, and an inclined surface is provided on the elastic positioning pieces. L-shaped elastic abutment blocks are provided on the upper and lower inner walls of the assembly cavity.

[0009] Preferably, the wheel disc component is composed of an outer fixing sleeve and an inner fixing sleeve, a gas flow channel is formed between the outer fixing sleeve and the inner fixing sleeve, a mounting shaft hole is provided in the inner fixing sleeve, and a wear-resistant layer is provided in the mounting shaft hole.

[0010] Preferably, a positioning support rod is arranged in the gas flow channel between the outer fixing sleeve and the inner fixing sleeve, and a plurality of groups of arc-shaped auxiliary blades are installed in the gas flow channel.

[0011] Preferably, inclined diversion surfaces are arranged on both sides of the blade body, and corrugated grooves are arranged on the inclined diversion surfaces.

[0012] The utility model provides an integrally formed superalloy impeller disc, and the beneficial effects are as follows:

[0013] By evenly arranging a plurality of blade components outside the disc component, flow channels are formed between adjacent blade components for the rapid flow of high-temperature gas, and at the same time, it is ensured that fine sundries are discharged. The arranged blade connection components cooperate with the connection positioning blocks, so that the blade components and the disc component are integrally connected, ensuring that when any one blade component is damaged, it can be replaced in time. The disc component is designed to be integrally formed, ensuring the strength of the entire disc component. The structure of the utility model is simple and convenient to use. When any one or more blade components are damaged, they can be replaced in time, avoiding the scrapping of the entire disc component, and greatly saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 is the front view of an integrally formed superalloy impeller disc according to an embodiment of the present invention;

[0016] Figure 2 is the structural schematic diagram of the blade component in an integrally formed superalloy impeller disc according to an embodiment of the present invention;

[0017] Figure 3 is the front view of the disc component in an integrally formed superalloy impeller disc according to an embodiment of the present invention;

[0018] Figure 4 is the structural schematic diagram of the blade connection component in an integrally formed superalloy impeller disc according to an embodiment of the present invention;

[0019] Figure 5 is the cross-sectional view of the disc component in an integrally formed superalloy impeller disc according to an embodiment of the present invention.

[0020] In the figure:

[0021] 1. Turntable member; 2. Blade member; 3. Flow channel; 4. Blade body; 5. Blade connection member; 6. Connection positioning block; 7. L-shaped elastic abutting block; 8. Assembly block; 9. Assembly cavity; 10. Mounting hole; 11. Connecting bolt; 12. Elastic positioning piece; 13. Inclined surface; 14. Outer fixing sleeve; 15. Inner fixing sleeve; 16. Mounting shaft hole; 17. Wear-resistant layer; 18. Arc-shaped auxiliary blade; 19. Positioning support rod; 20. Inclined guiding surface; 21. Corrugated groove. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-5 , the present invention provides an integrally formed superalloy impeller disk, including a turntable member 1. A plurality of blade members 2 are uniformly arranged outside the turntable member 1. A flow channel 3 is formed between adjacent blade members 2. By uniformly arranging a plurality of blade members 2 outside the turntable member 1, a flow channel 3 is formed between adjacent blade members 2 for the rapid flow of high-temperature gas and at the same time ensuring the discharge of fine debris. The blade member 2 includes a blade body 4. A blade connection member 5 is arranged at one end of the blade body 4 located on the turntable member 1. A connection positioning block 6 is integrally connected to the outer wall of the turntable member 1, and the connection positioning block 6 cooperates with the blade connection member 5. The blade connection member 5 is provided to cooperate with the connection positioning block 6, enabling the blade member 2 and the turntable member 1 to achieve an integrated connection, ensuring that when any blade member 2 is damaged, it can be replaced in time, and the turntable member 1 is of an integrally formed design, ensuring the strength of the entire turntable member 1.

[0024] In one embodiment, please refer to the attached drawings of the specification Figures 3-4As shown, the blade connection member 5 includes an assembly block 8 integrally connected to the blade body 4. One end of the assembly block 8 is provided with an assembly cavity 9, and the assembly cavity 9 is matched with the connection positioning block 6. Installation holes 10 are provided at both the upper and lower ends of the assembly block 8, and connection bolts 11 are threadedly connected to the installation holes 10. The connection positioning block 6 is detachably connected to the assembly block 8 through the connection bolts 11 and the installation holes 10. Elastic positioning pieces 12 are provided on both sides of the inner wall of the assembly cavity 9, inclined surfaces 13 are provided on the elastic positioning pieces 12, and L-shaped elastic abutting blocks 7 are provided at both the upper and lower inner walls of the assembly cavity 9. By inserting the provided connection positioning block 6 into the assembly cavity 9 and using the connection bolts 11 to connect and fix it to form a whole, the provided elastic positioning pieces 12 and L-shaped elastic abutting blocks 7 have a certain adaptability when the connection positioning block 6 is assembled.

[0025] In one embodiment, please refer to the attached drawings of the specification Figure 5 As shown, the disk member 1 is composed of an outer fixing sleeve 14 and an inner fixing sleeve 15. A gas flow channel is formed between the outer fixing sleeve 14 and the inner fixing sleeve 15. An installation shaft hole 16 is provided inside the inner fixing sleeve 15, and a wear-resistant layer 17 is provided inside the installation shaft hole 16. A positioning support rod 19 is provided in the gas flow channel between the outer fixing sleeve 14 and the inner fixing sleeve 15, and an array of arc-shaped auxiliary blades 18 are installed in the gas flow channel. Through the gas flow channel provided between the outer fixing sleeve 14 and the inner fixing sleeve 15, the overall gas flow channel effect can be improved. The provided installation shaft hole 16 is used for the installation of the drive shaft, the wear-resistant layer 17 can improve its wear resistance, and the provided arc-shaped auxiliary blades 18 can increase the flow rate of the gas flow channel.

[0026] In one embodiment, please refer to the attached drawings of the specification Figure 2 As shown, inclined flow guiding surfaces 20 are provided on both sides of the blade body 4, and corrugated grooves 21 are provided on the inclined flow guiding surfaces 20. By means of the provided inclined flow guiding surfaces 20 in cooperation with the corrugated grooves 21, the gas flowing through the surface of the blade body 4 can be quickly guided.

[0027] In actual application, a number of blade members 2 are evenly arranged outside the roulette wheel member 1, so that a flow channel 3 is formed between adjacent blade members 2 for the rapid flow of high-temperature gas, and at the same time, it is ensured that fine sundries are discharged. The arranged blade connection member 5 cooperates with the positioning block 6 to realize the integral connection between the blade member 2 and the roulette wheel member 1, ensuring that any damaged blade member 2 can be replaced in time. The roulette wheel member 1 is integrally formed, ensuring the strength of the entire roulette wheel member 1. The structure of the utility model is simple and easy to use. When any one or more blade members 2 are damaged, they can be replaced in time, avoiding the scrapping of the entire roulette wheel member 1 and greatly saving costs.

[0028] Although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An integrally formed superalloy impeller disk, characterized in that, It includes a wheel disc member (1), and a number of blade members (2) are uniformly arranged outside the wheel disc member (1). A flow channel (3) is formed between adjacent blade members (2). The blade member (2) includes a blade body (4). A blade connection member (5) is arranged at one end of the blade body (4) located on the wheel disc member (1). A connection positioning block (6) is integrally connected to the outer wall of the wheel disc member (1), and the connection positioning block (6) is matched with the blade connection member (5).

2. The integrally formed superalloy impeller disk according to claim 1, wherein The blade connection member (5) includes an assembly block (8) integrally connected to the blade body (4). An assembly cavity (9) is formed at one end of the assembly block (8), and the assembly cavity (9) is matched with the connection positioning block (6). Installation holes (10) are formed at both the upper and lower ends of the assembly block (8). A connection bolt (11) is threadedly connected to the installation hole (10). The connection positioning block (6) is detachably connected to the assembly block (8) through the connection bolt (11) and the installation hole (10).

3. The integrally formed superalloy impeller disk according to claim 2, wherein, Elastic positioning pieces (12) are arranged on both sides of the inner wall of the assembly cavity (9). An inclined surface (13) is arranged on the elastic positioning piece (12). L-shaped elastic abutting blocks (7) are arranged at both the upper and lower inner walls of the assembly cavity (9).

4. The integrally formed superalloy impeller disk according to claim 3, wherein, The wheel disc member (1) is composed of an outer fixing sleeve (14) and an inner fixing sleeve (15). A gas flow channel is formed between the outer fixing sleeve (14) and the inner fixing sleeve (15). An installation shaft hole (16) is arranged inside the inner fixing sleeve (15), and a wear-resistant layer (17) is arranged inside the installation shaft hole (16).

5. The integrally formed superalloy impeller disk according to claim 4, wherein, A positioning support rod (19) is arranged in the gas flow channel between the outer fixing sleeve (14) and the inner fixing sleeve (15), and a number of groups of arc-shaped auxiliary blades (18) are installed in the gas flow channel.

6. The integrally formed superalloy impeller disk according to claim 5, wherein, Inclined guide surfaces (20) are arranged on both sides of the blade body (4), and corrugated grooves (21) are arranged on the inclined guide surfaces (20).

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