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CN-224200710-U - Titanium aluminum alloy lightweight aeroengine turbine blade

CN224200710UCN 224200710 UCN224200710 UCN 224200710UCN-224200710-U

Abstract

The utility model discloses a titanium aluminum alloy lightweight aeroengine turbine blade, and relates to the technical field of aeroengines. The turbine blade of the titanium aluminum alloy lightweight aeroengine comprises a flange plate, wherein an air guide mechanism and a mounting tenon mechanism are arranged on the outer wall of the flange plate, the air guide mechanism comprises an air guide part and a reinforcing part, the technical effects are that the air guide plate and the air guide blade are arranged on the outer wall of the air guide plate, an air guide groove and an air guide inclined plane are matched, high-speed air flow entering the aeroengine can be guided and split, an air flow path is optimized, air flow resistance and turbulence are reduced, air flow passing efficiency is improved, air flow kinetic energy is further effectively converted into mechanical energy of the turbine blade, power output and working efficiency of the aeroengine are improved, and meanwhile, a reinforcing frame is located in an inner cavity of the air guide plate, is in contact with the inner wall of the cavity and is fixedly connected with the inner side face of a mounting cover, so that dead weight of the air guide plate can be effectively reduced.

Inventors

  • DAI SHENGBIN
  • YANG XIN
  • JIANG XUEZHONG
  • Wu Langding

Assignees

  • 江苏宇装科技有限公司

Dates

Publication Date
20260505
Application Date
20250627

Claims (6)

  1. 1. A titanium-aluminum alloy light-weight aeroengine turbine blade comprises a flange plate (1), and is characterized in that an air guide mechanism (2) and a mounting tenon mechanism (3) are arranged on the outer wall of the flange plate (1); The wind guide mechanism (2) comprises a wind guide part and a reinforcing part; the wind guide part comprises a wind guide plate (21) and a plurality of groups of guide vanes (23), and the reinforcing part comprises a plurality of reinforcing blocks (28) and a plurality of reinforcing frames (25); the air deflector (21) is close to one side of the edge plate (1) and fixedly connected with the outer wall of the edge plate (1), a cavity is formed in the air deflector (21), the outer walls of the reinforcing frames (25) are located on the inner wall of the cavity, the outer walls of the reinforcing frames (25) are in contact with the inner wall of the cavity, the mounting cover (22) is sleeved on the outer wall of the air deflector (21), and the outer walls of the reinforcing frames (25) are fixedly connected with the inner side of the mounting cover (22).
  2. 2. The titanium aluminum alloy lightweight aeroengine turbine blade according to claim 1, wherein the mounting tenon mechanism (3) comprises tenons (31), one side surface of each tenon (31) close to the flange plate (1) is fixedly connected with the outer wall of the flange plate (1), and two groups of arc-shaped grooves (32) are formed in the outer wall of each tenon (31).
  3. 3. The titanium aluminum alloy light-weight aeroengine turbine blade according to claim 1, wherein a plurality of guide plates (24) are fixedly arranged on the outer wall of the air guide plate (21), and the outer walls of the guide plates (24) are fixedly connected with the outer walls of a plurality of groups of guide blades (23).
  4. 4. The titanium aluminum alloy lightweight aeroengine turbine blade as claimed in claim 1, wherein a plurality of air guide grooves (29) are formed in the outer wall of the air guide plate (21), and a plurality of air guide inclined planes (210) are respectively formed in the outer wall of the air guide grooves (29).
  5. 5. The titanium aluminum alloy lightweight aeroengine turbine blade according to claim 1, wherein two fixing thread sleeves (27) are fixedly arranged on the inner side face of the air deflector (21), two bolts (26) are arranged on the outer wall of the mounting cover (22) in a penetrating mode and extend to the inner sides of the two fixing thread sleeves (27), and the outer walls of the two bolts (26) are in threaded connection with the inner side faces of the two fixing thread sleeves (27) respectively.
  6. 6. A titanium aluminum alloy lightweight aeroengine turbine blade as claimed in claim 2, wherein a dovetail (33) is fixedly arranged on a side surface of the dovetail (31) away from the flange plate (1).

Description

Titanium aluminum alloy lightweight aeroengine turbine blade Technical Field The utility model relates to the technical field of aeroengines, in particular to a titanium aluminum alloy lightweight aeroengine turbine blade. Background The engine is the power of the aircraft, the heart of the aircraft is also used as one of key parts of the engine, the important effect of the engine is reflected on the influence on the performance of the whole engine, the reliability and the durability of the engine are directly related, the light-weight blade can effectively reduce the rotational inertia of the engine, reduce the energy loss, improve the fuel efficiency and further improve the range and the load capacity of the aircraft; the prior turbine blade of the aeroengine can lead to the reduction of the structural strength of the blade in the aspect of lightweight design, and the problems of deformation, fracture and the like are easy to occur under the complex working conditions of high temperature, high-speed airflow impact and the like, and the reliability and the service life of the blade are seriously influenced, therefore, the aeroengine is proposed Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a titanium aluminum alloy lightweight aeroengine turbine blade, which solves the problems that the structural strength of the blade is reduced in the aspect of lightweight design, deformation, fracture and the like are easy to occur under the complex working conditions of high temperature, high-speed airflow impact and the like, and the reliability and the service life of the blade are seriously influenced. (II) technical scheme The utility model is realized by the following technical scheme that the device comprises a flange plate, wherein the outer wall of the flange plate is provided with an air guide mechanism and a mounting tenon mechanism; the wind guide mechanism comprises a wind guide part and a reinforcing part; the wind guide part comprises a wind guide plate and a plurality of groups of guide vanes, and the reinforcing part comprises a plurality of reinforcing blocks and a plurality of reinforcing frames; The air deflector is close to a side of a border plate and is fixedly connected with the outer wall of the border plate, a cavity is formed in the air deflector, the reinforcing frame outer walls are all located on the inner wall of the cavity, the reinforcing frame outer walls are all in contact with the inner wall of the cavity, the mounting cover is sleeved on the outer wall of the air deflector, the reinforcing frame outer walls are all fixedly connected with the inner side of the mounting cover, the border plate and the air guiding mechanism are made of titanium aluminum alloy, and the weight of the air guiding blades can be effectively reduced by the titanium aluminum alloy, so that the light-weight design is achieved. Preferably, the tenon installation mechanism comprises tenons, one side surface of each tenon, which is close to the edge plate, is fixedly connected with the outer wall of the edge plate, two groups of arc-shaped grooves are formed in the outer wall of each tenon, and the arc-shaped grooves can be matched with the protruding structures of the corresponding parts to achieve preliminary positioning and connection. Preferably, the air deflector outer wall is fixedly provided with a plurality of guide plates, the plurality of guide plates outer wall is fixedly connected with a plurality of groups of guide vane outer walls, and the guide plates and the guide vanes guide and split air flow together. Preferably, a plurality of wind guide grooves are formed in the outer wall of the wind guide plate, a plurality of wind guide inclined planes are formed in the outer wall of the wind guide groove respectively, the wind guide grooves and the wind guide inclined planes thereof optimize airflow flowing paths, reduce airflow resistance and turbulence, and improve airflow passing efficiency. Preferably, the air deflector medial surface is fixed and is provided with two fixed thread bush, the installation cover outer wall runs through and is provided with two bolts and extends to two fixed thread bush insides, two the bolt outer wall respectively with two fixed thread bush medial surface threaded connection, two fixed thread bush run through with the installation cover outer wall and set up and extend to its inboard two bolt threaded connection, further strengthen the connection stability of air deflector and installation cover. Preferably, the tenon is kept away from a side of the flange plate and is fixedly provided with a dovetail tenon, and the stability of connection is further enhanced by the arrangement of the dovetail tenon, so that the blade is prevented from loosening or positioning in the working process. (III) beneficial effects The utility model provides a titanium aluminum alloy lightweight aeroengine turb