CN213574240U

CN213574240U - High-temperature alloy allowance-free blade

Info

Publication number: CN213574240U
Application number: CN202022632918.1U
Authority: CN
Inventors: 金建华; 金昊; 孔计旭
Original assignee: Changzhou Aidi Aviation Precision Casting Co ltd
Current assignee: Changzhou Aidi Aviation Precision Casting Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-06-29
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a superalloy does not have allowance blade, including inner circle, flabellum and outer lane, be provided with the abrasion pad on the inner circle inner wall, be provided with the recess on the inner circle, inner circle outer wall one side is provided with the boss, boss periphery one side is provided with the flabellum base, be provided with on the flabellum base the flabellum, the flabellum top is provided with the reinforcing plate, the peripheral one side of flabellum is provided with the outer lane, the outer lane both sides are provided with the strengthening rib. Has the advantages that: the utility model discloses a set up abrasive pad, reinforcement sleeve and strengthening rib, can consolidate the protection to the inner circle and the outer lane of blade respectively, improve the service strength of inner circle and outer lane, make it can bear bigger load, avoid taking place to warp in the use to improve the result of use of blade.

Description

High-temperature alloy allowance-free blade

Technical Field

The utility model relates to the technical field of engines, concretely relates to high temperature alloy does not have allowance blade.

Background

Turbine blades are one of important parts in a turbine engine, a turbofan engine is called a turbofan engine, is one of aircraft engines, is developed by a turbojet engine, and is mainly characterized in that a first-stage compressor has a large area compared with the turbojet engine, and is used as an air propeller (fan) to push back part of sucked air through the periphery of the jet engine, a part through which air passes in a core part of the engine is called an inner duct, and a part outside the core engine through which only fan air passes is called an outer duct.

The load that current superalloy does not have surplus blade received in the use is great, and the inner circle and the outer lane of blade are direct to be connected with engine erection, take place to warp impaired very easily, influence the result of use of blade, current superalloy surplus blade need guide the air current in the use in addition for the flabellum still will receive the transverse force of wind when rotatory, therefore the flabellum takes place the swing very easily, lead to the flabellum fracture, consequently need a superalloy to do not have surplus blade and solve current problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the high-temperature alloy allowance-free blade is provided, the problems that the load of the existing high-temperature alloy allowance-free blade in the using process is large, the inner ring and the outer ring of the blade are directly connected with an engine in an installing mode, deformation and damage are easy to occur, the using effect of the blade is influenced, in addition, the existing high-temperature alloy allowance-free blade needs to guide airflow in the using process, the fan blade is enabled to rotate and simultaneously still needs to receive the transverse force of wind, and therefore the fan blade is easy to swing, and the fan blade is broken are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a superalloy does not have allowance blade, including inner circle, flabellum and outer lane, be provided with the abrasion pad on the inner circle inner wall, be provided with the recess on the inner circle, inner circle outer wall one side is provided with the boss, boss periphery one side is provided with the flabellum base, be provided with on the flabellum base the flabellum, the flabellum top is provided with the reinforcing plate, the peripheral one side of flabellum is provided with the outer lane, the outer lane both sides are provided with the strengthening rib.

Furthermore, the inner ring, the fan blade and the outer ring are made of high-temperature alloy materials.

By adopting the technical scheme, the high-temperature alloy has excellent high-temperature strength, good oxidation resistance and hot corrosion resistance, good fatigue performance, fracture toughness and other comprehensive properties, so that the service performance of the inner ring, the outer ring and the fan blades can be improved.

Furthermore, the wear pad is bonded with the inner ring, and the groove is formed in the inner ring.

Through adopting above-mentioned technical scheme, the abrasion pad can be right the inner circle inner wall is protected, reduces the wearing and tearing that receive in the installation, increase of service life, the recess is convenient for installer to hold and is taken the blade, convenient to install and dismantle.

Further, the reinforcing sleeve is welded with the inner ring.

By adopting the technical scheme, the outer layer of the inner ring can be protected, and the use strength of the inner ring is improved.

Further, the fan blade base is welded with the reinforcing sleeve, the fan blade is welded with the fan blade base, and the reinforcing plate is welded with the fan blade.

Through adopting above-mentioned technical scheme, can with flabellum fixed mounting be in the inner circle with between the outer lane, through the inner circle with the outer lane is right the flabellum is protected, simultaneously the flabellum base can increase the flabellum bottom with the connection effect between the inner circle, the reinforcing plate can be right the top of flabellum is protected, reduces the swing that the flabellum rotates the in-process and produces improves flabellum pivoted stability improves the whole result of use of blade.

Furthermore, the outer ring is welded with the fan blades, and the reinforcing ribs are welded with the outer ring.

By adopting the technical scheme, the use strength of the outer ring can be improved, and the service life is prolonged.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. in order to solve the problems that the existing high-temperature alloy allowance-free blade is large in load in the using process, and the inner ring and the outer ring of the blade are directly connected with an engine in an installing way, so that the blade is easy to deform and damage, and the using effect of the blade is influenced, the utility model discloses a wear-resisting pad, a reinforcing sleeve and a reinforcing rib are arranged, so that the inner ring and the outer ring of the blade can be respectively reinforced and protected, the using strength of the inner ring and the outer ring is improved, the blade can bear larger load, the deformation in the using process is avoided, and the using effect of the blade is improved;

2. need guide the air current for solving current high temperature alloy surplus blade in the use for the flabellum still will receive the horizontal power of wind in rotatory, therefore the flabellum takes place the swing very easily, leads to the cracked problem of flabellum, the utility model discloses a set up flabellum base and reinforcing plate, increase the connection effect between flabellum bottom and the inner circle through the flabellum base, protect the top of flabellum through the reinforcing plate, reduce the swing that the flabellum rotated the in-process and produced, improve flabellum pivoted stability, thereby improve the whole result of use of blade.

Drawings

FIG. 1 is a schematic structural view of a superalloy non-allowance blade according to the present invention;

FIG. 2 is a front view of a superalloy non-allowance blade according to the present invention;

fig. 3 is a schematic structural view of a blade of the high temperature alloy allowance-free blade of the present invention.

The reference numerals are explained below:

1. an inner ring; 2. a groove; 3. a wear pad; 4. a reinforcing sleeve; 5. a fan blade base; 6. a fan blade; 7. a reinforcing plate; 8. an outer ring; 9. and (5) reinforcing ribs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the high temperature alloy blade without residue in this embodiment includes an inner ring 1, a fan blade 6 and an outer ring 8, a wear pad 3 is disposed on an inner wall of the inner ring 1, the inner wall of the inner ring 1 can be protected by the wear pad 3, abrasion in the installation process is reduced, the service life is prolonged, a groove 2 is disposed on the inner ring 1, the groove 2 is convenient for an installer to hold the blade, the installation and disassembly are convenient, a reinforcing sleeve 4 is disposed on one side of an outer wall of the inner ring 1, an outer layer of the inner ring 1 can be protected by the reinforcing sleeve 4, the use strength of the inner ring 1 is improved, a fan blade base 5 is disposed on one side of an outer periphery of the reinforcing sleeve 4, the fan blade 6 is disposed on the fan blade base 5, a reinforcing plate 7 is disposed on a top end of the fan blade 6, the outer ring 8 is disposed on one, the high-temperature alloy has excellent high-temperature strength, good oxidation resistance and hot corrosion resistance, good fatigue performance, good fracture toughness and other comprehensive properties, thereby improving the service performance of the inner ring 1, the outer ring 8 and the fan blades 6.

As shown in fig. 1-3, in this embodiment, the fan blade base 5 is welded to the reinforcing sleeve 4, the fan blade 6 is welded to the fan blade base 5, the reinforcing plate 7 is welded to the fan blade 6, the fan blade 6 can be fixedly mounted between the inner ring 1 and the outer ring 8, the fan blade 6 is protected by the inner ring 1 and the outer ring 8, meanwhile, the fan blade base 5 can increase the connection effect between the bottom of the fan blade 6 and the inner ring 1, the reinforcing plate 7 can protect the top end of the fan blade 6, the swing generated in the rotation process of the fan blade 6 is reduced, the stability of the rotation of the fan blade 6 is improved, and the overall use effect of the fan blade.

As shown in fig. 1 to 3, in this embodiment, the outer ring 8 is welded to the fan blades 6, and the reinforcing ribs 9 are welded to the outer ring 8, so that the use strength of the outer ring 8 can be improved, and the service life can be prolonged.

The specific implementation process of this embodiment is as follows: when the fan blade base is installed, an operator can hold the blades through the grooves 2 so as to install the blades on an engine, the inner wall of the inner ring 1 can be protected by the wear-resistant pad 3, the abrasion in the installation process is reduced, the outer layer of the inner ring 1 can be protected by the reinforcing sleeve 4, the use strength of the inner ring 1 is improved, the use strength of the outer ring 8 can be improved by the reinforcing ribs 9, so that the inner ring 1 and the outer ring 8 can bear larger load and avoid deformation in the use process, the use effect of the blades is improved, the fan blades 6 are fixedly installed between the inner ring 1 and the outer ring 8, the fan blades 6 are protected through the inner ring 1 and the outer ring 8, meanwhile, the fan blade base 5 can increase the connection effect between the bottom of the fan blades 6 and the inner ring 1, the reinforcing plate 7 can protect the top ends of the fan blades 6, the swinging generated in the rotation process, the overall use effect of the blade is improved.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. A high-temperature alloy allowance-free blade is characterized in that: including inner circle (1), flabellum (6) and outer lane (8), be provided with on inner circle (1) the inner wall and wear pad (3), be provided with recess (2) on inner circle (1), inner circle (1) outer wall one side is provided with reinforcement sleeve (4), reinforcement sleeve (4) periphery one side is provided with flabellum base (5), be provided with on flabellum base (5) flabellum (6), flabellum (6) top is provided with reinforcing plate (7), flabellum (6) periphery one side is provided with outer lane (8), outer lane (8) both sides are provided with strengthening rib (9).

2. A superalloy no-allowance vane as in claim 1, wherein: the inner ring (1), the fan blades (6) and the outer ring (8) are all made of high-temperature alloy materials.

3. A superalloy no-allowance vane as in claim 1, wherein: the wear-resistant pad (3) is bonded with the inner ring (1), and the groove (2) is formed in the inner ring (1).

4. A superalloy no-allowance vane as in claim 1, wherein: the reinforcing sleeve (4) is welded with the inner ring (1).

5. A superalloy no-allowance vane as in claim 1, wherein: the fan blade base (5) is welded with the reinforcing sleeve (4), the fan blade (6) is welded with the fan blade base (5), and the reinforcing plate (7) is welded with the fan blade (6).

6. A superalloy no-allowance vane as in claim 1, wherein: the outer ring (8) is welded with the fan blades (6), and the reinforcing ribs (9) are welded with the outer ring (8).