Aluminum casting turbine rotor with reinforcing structure

By using an integrated rotor disk and turbine blade structure, combined with a locking block and gear ring design, the problems of insufficient connection strength and inconvenient disassembly of the turbine rotor are solved, achieving high strength and convenient disassembly.

CN223825063UActive Publication Date: 2026-01-23JIANGSU INUO CASTING CO LTD
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Patent Information

Application Number
CN202520302136.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-01-23
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

The existing connection methods between turbine rotors and bearings or bushings are mostly key connections or interference fits, which result in insufficient strength of turbine blades and inconvenience in disassembly, affecting the balance and friction of rotor discs and shafts.

Method used

The rotor disk and turbine blade structure are integrally molded, combined with the design of locking blocks and gear rings to enhance the connection strength between the rotor disk and the rotor shaft, and to achieve convenient disassembly through the engagement of locking slots and teeth.

Benefits of technology

It improves the strength and rotational balance of the turbine rotor, while facilitating the disassembly and installation of the rotor disc and rotor shaft, and reducing friction and imbalance.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of turbine rotors, in particular to an aluminum casting turbine rotor with a reinforcing structure, which comprises a rotor shaft body, the surface of the rotor shaft body is rotatably connected with the inside of a rotor disc, and a first turbine blade and a second turbine blade which are integrally formed are arranged on the top surface of the rotor disc; the aluminum casting turbine rotor with the reinforcing structure has the beneficial effects that the interior of the rotor disc is rotationally connected with the outer surface of the rotor shaft body, and then the first turbine blade and the second turbine blade which are integrally formed are arranged on the top surface of the rotor disc; therefore, the rotor disc, the first turbine blade and the second turbine blade are integrated, the matching relation among the rotor disc, the first turbine blade and the second turbine blade can be enhanced, and when the rotor disc rotates at a high speed along the center shaft of the rotor shaft body, vortex is generated on the top face of the rotor disc under the action of the first turbine blade and the second turbine blade.
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Description

TECHNICAL FIELD

[0001] The utility model relates to turbine rotor technical field, concretely is an aluminum cast turbine rotor with reinforcing structure. BACKGROUND

[0002] Rotor refers to the rotating body supported by bearing, and the application of rotor is very wide, one of which is called turbine rotor, and the turbine rotor needs to be connected with the casing through bearing or shaft sleeve.

[0003] However, in the prior art, the connection mode of the existing turbine rotor and bearing or shaft sleeve is mostly through key connection or interference fit connection, and most of the turbine blades on the top of the rotor disc exist separately, thereby weakening the strength between the turbine blades and the rotor disc, and the connection between the rotor disc and the rotating shaft is not convenient to disassemble, and when the rotor disc drives the turbine blades to rotate at high speed, the balance is poor, thereby easily accelerating the friction between the rotor disc and the rotating shaft.

[0004] Therefore, we need an aluminum cast turbine rotor with reinforcing structure to solve the problem of the strength of the turbine blades on the top of the existing aluminum cast turbine rotor, and to realize the convenient disassembly and installation between the turbine rotor disc and the rotor shaft body. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of aluminum cast turbine rotors with reinforcing structure, to solve the problem of the strength of the turbine blades on the top of the existing aluminum cast turbine rotor in the above background art, and to realize the convenient disassembly and installation between the turbine rotor disc and the rotor shaft body.

[0006] To achieve the above object, the utility model provides the following technical scheme: an aluminum cast turbine rotor with reinforcing structure, including rotor shaft body, the surface of the rotor shaft body is rotatably connected with the inside of rotor disc, and the top surface of rotor disc is provided with integrally-formed first turbine blade and second turbine blade.

[0007] Preferably, the outer surface of the rotor shaft body is provided with an integrally-formed tenon block, the surface of the tenon block is connected with the surface of the second mortise groove, and the second mortise groove is formed in the inner ring surface of the bearing body.

[0008] Preferably, the outer ring surface of the bearing body is fixed to the inner surface of the gear ring, the surface of the gear ring is provided with a gear tooth, the gear tooth is connected with the surface of the first mortise groove, the end of the gear ring abuts against the end surface of the limiting disc, and the limiting disc is integrally formed on the surface of the rotor shaft body.

[0009] Preferably, the tenon block is provided in six groups, the surface of the tenon block is closely attached to the surface of the second mortise groove, and the six groups of tenon blocks are arranged in an annular array along the central axis of the rotor shaft body.

[0010] Preferably, the radius size of the gear ring is equal to the inner ring radius size of the rotor disc.

[0011] Preferably, the cross section of the rotor disc is arranged in a "T" shape, and a circular hole is formed in the inside of the rotor disc, and the radius size of the circular hole is equal to the radius of the rotor shaft body.

[0012] Compared with the prior art, the utility model discloses the beneficial effects are: through the inside rotation connection rotor disc of rotor shaft body's outer surface, then setting up integrative first turbine blade and second turbine blade on the top surface of rotor disc, therefore, the cooperation between rotor disc, first turbine blade and second turbine blade is strengthened, when rotor disc is along the high -speed rotation of rotor shaft body's central axis, thereby under the effect of first turbine blade and second turbine blade vortex is produced on the top surface of rotor disc, through gear ring can be firmly installed in rotor disc, therefore, the high -speed rotation of rotor disc along the surface of rotor shaft body improves the balance degree, and the disassembly between rotor shaft body and rotor disc is facilitated simultaneously, further solve the problem of existing hand -held bag production raw material paper cutting, also can realize the alignment of hand -held bag raw material paper before cutting. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole three -dimensional schematic view of the utility model structure device;

[0014] Figure 2 It is rotor disc and gear ring connection schematic view;

[0015] Figure 3 It is gear ring and bearing body connection schematic view;

[0016] Figure 4 It is rotor shaft body and bearing body connection schematic view;

[0017] Figure 5 It is rotor shaft body and limit disc connection schematic view.

[0018] In the drawing: rotor shaft body 1, rotor disc 2, first turbine blade 3, second turbine blade 4, first dowel groove 5, gear ring 6, bearing body 7, second dowel groove 8, dowel block 9, limit disc 10. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme of the utility model to carry out clearly, completely describe, and the advantage is more clear and clear, following combining the drawing to the utility model embodiment further detailed description.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiment, just to explain the embodiment of the utility model, and not for the limitation of the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without doing the creative work, belong to the scope of the protection of the utility model.

[0020] Embodiment one, please refer to Figures 1-5 The utility model provides a kind of aluminum cast turbine rotor with reinforcing structure, including rotor shaft body 1, the inside of the surface rotation connection rotor disc 2 of rotor shaft body 1, the top surface of rotor disc 2 is provided with integrally formed first turbine blade 3 and second turbine blade 4, by the inside rotation connection outer surface of rotor disc 2 of rotor shaft body 1, then the top surface of rotor disc 2 is provided with integrally formed first turbine blade 3 and second turbine blade 4, so that rotor disc 2, first turbine blade 3 and second turbine blade 4 become integrated, can make the cooperation between the three strengthen, when rotor disc 2 is high-speed rotation along the central axis of rotor shaft body 1, to generate vortex on the top surface of rotor disc 2 under the action of first turbine blade 3 and second turbine blade 4.

[0021] Embodiment two, refer to attached Figures 1 to 5 On the basis of embodiment one, to bearing body 7 can be conveniently disassembled from the surface of rotor shaft body 1, the outer surface of rotor shaft body 1 is provided with integrally formed mortise block 9, the surface of mortise block 9 is clamped the surface of second mortise slot 8, and second mortise slot 8 is opened in the inner ring surface of bearing body 7.

[0022] by the surface of second mortise slot 8 is clamped the surface of mortise block 9, so bearing body 7 can be smoothly rotated along the central axis of rotor shaft body 1, and bearing body 7 can be conveniently disassembled from the surface of rotor shaft body 1.

[0023] Embodiment three, refer to attached Figures 1 to 5 On the basis of embodiment two, to facilitate the disassembly between rotor shaft body 1 and rotor disc 2, the outer ring surface of bearing body 7 is fixed in the inner surface of gear ring 6, the surface of gear ring 6 is provided with gear teeth, gear teeth are clamped the surface of first mortise slot 5, the end of gear ring 6 is resisted in the end surface of limit disc 10, and limit disc 10 is integrally formed on the surface of rotor shaft body 1.

[0024] by being provided with gear teeth on the surface of gear ring 6, then the surface gear teeth of gear ring 6 are inserted into the surface of first mortise slot 5, so that gear ring 6 can be stably installed in rotor disc 2, so that rotor disc 2 is high-speed rotation along the surface of rotor shaft body 1 to improve balance degree, and the disassembly between rotor shaft body 1 and rotor disc 2 is facilitated.

[0025] In actual use, the inner rotating connection of the rotor disc 2 is connected to the outer surface of the rotor shaft body 1, and then the first turbine blade 3 and the second turbine blade 4 are integrally formed on the top surface of the rotor disc 2, so that the rotor disc 2, the first turbine blade 3 and the second turbine blade 4 are integrated, the cooperation between the three is strengthened, when the rotor disc 2 rotates at high speed along the central axis of the rotor shaft body 1, thus the vortex is generated on the top surface of the rotor disc 2 under the action of the first turbine blade 3 and the second turbine blade 4, the surface of the No. 2 mortise groove 8 is connected to the surface of the mortise block 9, so that the bearing body 7 can rotate smoothly along the central axis of the rotor shaft body 1, and the bearing body 7 can be conveniently disassembled from the surface of the rotor shaft body 1, the gear teeth are arranged on the surface of the gear ring 6, and then the surface gear teeth of the gear ring 6 are inserted into the surface of the No. 1 mortise groove 5, so that the gear ring 6 can be stably installed in the rotor disc 2, so that the rotor disc 2 rotates at high speed along the surface of the rotor shaft body 1 to improve the balance, and the disassembly between the rotor shaft body 1 and the rotor disc 2 is facilitated.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An aluminum cast turbine rotor with a reinforcing structure, comprising a rotor shaft body (1), characterized in that: The surface of the rotor shaft body (1) is rotationally connected to the inside of the rotor disc (2), the top surface of the rotor disc (2) is provided with integrally formed first turbine blades (3) and second turbine blades (4), the outer surface of the rotor shaft body (1) is provided with integrally formed tenon blocks (9), the surface of the tenon blocks (9) is clamped to the surface of the second tenon grooves (8), the second tenon grooves (8) are formed in the inner ring surface of the bearing body (7), the outer ring surface of the bearing body (7) is fixed to the inner surface of the gear ring (6), the surface of the gear ring (6) is provided with gear teeth, the gear teeth are clamped to the surface of the first tenon grooves (5), the end of the gear ring (6) abuts against the end surface of the limiting disc (10), and the limiting disc (10) is integrally formed on the surface of the rotor shaft body (1).

2. The aluminum cast turbine rotor with a reinforcing structure according to claim 1, characterized in that: The tenon blocks (9) are provided in six groups, the surface of the tenon blocks (9) is tightly clamped to the surface of the second tenon grooves (8), and the six groups of tenon blocks (9) are arranged in an annular array along the central axis of the rotor shaft body (1).

3. The aluminum cast turbine rotor with a reinforcing structure according to claim 1, characterized in that: The radius size of the gear ring (6) is equal to the inner ring radius size of the rotor disc (2).

4. The aluminum cast turbine rotor with a reinforcing structure according to claim 1, characterized in that: The cross section of the rotor disc (2) is arranged in a "T" shape, the inside of the rotor disc (2) is provided with a circular hole, and the radius size of the circular hole is equal to the radius of the rotor shaft body (1).