CN215805380U

CN215805380U - Aircraft engine is with centrifugal impeller convenient to installation

Info

Publication number: CN215805380U
Application number: CN202121593790.0U
Authority: CN
Inventors: 曹浩波; 信涛涛; 史超; 李战旗; 王飞; 武超; 王凯
Original assignee: Xturbo Technologies Xi'an Co ltd
Current assignee: Xturbo Technologies Xi'an Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-02-11
Anticipated expiration: 2031-07-14

Abstract

The utility model relates to the field of aero-engines, in particular to a centrifugal impeller for an aero-engine, which is convenient to install and comprises a fixed disc, blades and a motor shaft, wherein the blades are connected with the fixed disc in a sliding manner, a connecting block is fixedly connected at the center of the right end face of the fixed disc, the motor shaft is connected with the connecting block in a sliding manner, a pull rod is arranged on the outer side of the connecting block and penetrates through the connecting block, in the utility model, when the centrifugal impeller is installed on the motor shaft through the arranged pull rod, a groove on the connecting block on the centrifugal impeller is aligned with the motor shaft to push the fixed disc, the motor shaft can extrude a positioning block to drive a positioning block to move when sliding in the connecting block, the positioning block compresses a spring through a sliding block, when the positioning block is contacted with the groove on the motor shaft, the pressure borne by the spring disappears, the spring drives the positioning block to reset through the sliding block to limit and fix the motor shaft, therefore, the centrifugal impeller can be installed on the motor shaft, the installation process is simple and convenient, and time and labor are saved.

Description

Aircraft engine is with centrifugal impeller convenient to installation

Technical Field

The utility model relates to the field of aero-engines, in particular to a centrifugal impeller for an aero-engine, which is convenient to install.

Background

Aeroengine centrifugal impeller is the axial air inlet, radial air-out, utilize centrifugal force to do work, make the wind wheel that the air improves pressure, centrifugal impeller is the important part on the aeroengine, but some problems exist when using of present centrifugal impeller, some present centrifugal impeller are inconvenient when using to be installed on aeroengine's motor shaft, the installation is more troublesome, waste time and energy, simultaneously dust of some present centrifugal impeller in the rotation in-process air can depend on the blade of centrifugal impeller and influence the use, need often wash centrifugal impeller's blade, but some present centrifugal impeller's blade is the welding on centrifugal impeller, it is inconvenient to dismantle the blade and get off and wash, can only carry out whole washing with water, can lead to centrifugal impeller's blade to wash unclean, and the service life is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a centrifugal impeller for an aircraft engine, which is convenient to install and solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a centrifugal impeller for aeroengine convenient to installation, includes fixed disk, blade and motor shaft, blade and fixed disk sliding connection, fixed disk right-hand member face central point fixedly connected with connecting block, motor shaft and connecting block sliding connection, the connecting block outside is equipped with the pull rod, pull rod through connection piece, pull rod and connecting block sliding connection, the other end fixedly connected with slider of pull rod, slider and connecting block sliding connection, the fixed disk inboard is rotated and is connected with first bevel gear.

Preferably, the outer side of the sliding block is fixedly connected with a positioning block, the positioning block penetrates through the connecting block, the positioning block is connected with the connecting block in a sliding mode, the positioning block penetrates through the motor shaft, the positioning block is connected with the motor shaft in a sliding mode, and the right end face of the positioning block is obliquely arranged.

Preferably, a spring is sleeved on the outer side of the pull rod between the sliding block and the connecting block, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the connecting block.

Preferably, a second bevel gear is meshed with the outer side of the first bevel gear and is rotatably connected with the fixed disc, a handle is fixedly connected to the outer side of the second bevel gear and penetrates through the fixed disc, and the handle is rotatably connected with the fixed disc.

Preferably, the top end face of the first bevel gear located above and the bottom end face of the first bevel gear located below are both fixedly connected with threaded shafts, the outer sides of the threaded shafts are spirally connected with limiting rods, the limiting rods penetrate through the fixed disc, the limiting rods are in sliding connection with the fixed disc, the limiting rods penetrate through the blades, and the limiting rods are in sliding connection with the blades.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the pull rod, the sliding block, the positioning block and the spring, when the centrifugal impeller is installed on the motor shaft, the groove on the connecting block on the centrifugal impeller is aligned with the motor shaft, the fixing disc is pushed, the positioning block is extruded to drive the positioning block to move when the motor shaft slides in the connecting block, the positioning block compresses the spring through the sliding block, when the positioning block contacts the groove on the motor shaft, the pressure applied to the spring disappears, and the spring drives the positioning block to reset through the sliding block to limit and fix the motor shaft, so that the centrifugal impeller can be installed on the motor shaft, the installation process is simple and convenient, and time and labor are saved;

2. according to the utility model, through the arrangement of the first bevel gear, the second bevel gear, the handle, the threaded shaft and the limiting rod, when the blades need to be cleaned, the handle is rotated to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the threaded shaft to rotate, the threaded shaft rotates to drive the limiting rod to slide, the limiting rod is separated from the blades, the blades can be detached when the limiting rod is not in contact with the blades, so that the blades can be detached to be cleaned when the blades on the centrifugal impeller are cleaned, the blades can be washed clean, and the use is not influenced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention.

In the figure: 1-fixed disk, 2-blade, 3-connecting block, 4-motor shaft, 5-pull rod, 6-slide block, 7-positioning block, 8-spring, 9-first bevel gear, 10-second bevel gear, 11-handle, 12-threaded shaft, 13-limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a centrifugal impeller for aeroengine convenient to installation, including fixed disk 1, blade 2 and motor shaft 4,

blade

2 and 1 sliding connection of fixed disk, 1 right-hand member face central point of fixed disk puts fixedly connected with connecting block 3,

motor shaft

4 and 3 sliding connection of connecting block, the 3 outsides of connecting block are equipped with pull rod 5, pull rod 5 through connection piece 3,

pull rod

5 and 3 sliding connection of connecting block, pull rod 5's other end fixedly connected with slider 6,

slider

6 and 3 sliding connection of connecting block, this kind of setting conveniently drives slider 6 motion, 1 inboard rotations of fixed disk are connected with first bevel gear 9.

A positioning block 7 is fixedly connected to the outer side of the sliding block 6, the positioning block 7 penetrates through the connecting block 3, the positioning block 7 is connected with the connecting block 3 in a sliding mode, the positioning block 7 penetrates through the motor shaft 4, the positioning block 7 is connected with the motor shaft 4 in a sliding mode, the right end face of the positioning block 7 is arranged in an inclined mode, and the positioning block 7 can be driven to move when the positioning block 7 is extruded; a spring 8 is sleeved on the outer side of the pull rod 5 between the sliding block 6 and the connecting block 3, one end of the spring 8 is fixedly connected with the sliding block 6, the other end of the spring 8 is fixedly connected with the connecting block 3, and the positioning block 7 can be driven to reset by the arrangement; a second bevel gear 10 is meshed with the outer side of the first bevel gear 9, the second bevel gear 10 is rotatably connected with the fixed disc 1, a handle 11 is fixedly connected with the outer side of the second bevel gear 10, the handle 11 penetrates through the fixed disc 1, and the handle 11 is rotatably connected with the fixed disc 1, so that the second bevel gear 10 can be conveniently driven to rotate; the equal fixedly connected with screw shaft 12 of the first bevel gear 9 top face that is located the top and the first bevel gear 9 bottom face that is located the below, screw shaft 12 outside screwed connection have gag lever post 13, and gag lever post 13 runs through fixed disk 1, and

gag lever post

13 and 1 sliding connection of fixed disk, gag lever post 13 run through blade 2, and

gag lever post

13 and 2 sliding connection of blade, this kind of setting is convenient dismantles blade 2.

The working process is as follows: when the centrifugal impeller is installed on the motor shaft 4, the groove on the connecting block 3 on the centrifugal impeller is aligned with the motor shaft 4, the fixed disc 1 is pushed, the positioning block 7 is extruded to drive the positioning block 7 to move when the motor shaft 4 slides in the connecting block 3, the positioning block 7 compresses the spring 8 through the slider 6, when the positioning block 7 contacts the groove on the motor shaft 4, the pressure borne by the spring 8 disappears, the spring 8 drives the positioning block 7 to reset through the slider 6 to limit and fix the motor shaft 4, so that the centrifugal impeller can be installed on the motor shaft 4, the installation process is simple and convenient, time and labor are saved, the slider 6 is driven to move by pulling the pull rod 5, the slider 6 drives the positioning block 7 to leave the motor shaft 4, when the positioning block 7 is not contacted with the motor shaft 4, the centrifugal impeller can be detached from the motor shaft 4, the detachment is also simple and convenient, and when the blades 2 need to be cleaned, drive second bevel gear 10 through rotating handle 11 and rotate, second bevel gear 10 rotates and drives first bevel gear 9 and rotate, first bevel gear 9 rotates and drives screw shaft 12 and rotates, screw shaft 12 rotates and drives gag lever post 13 and slide, let gag lever post 13 leave blade 2, can dismantle blade 2 when gag lever post 13 and blade 2 contactless, thereby can dismantle blade 2 and wash when wasing blade 2 on the centrifugal impeller, can wash blade 2, do not influence the use, after wasing, install blade 2 on fixed disk 1, then drive screw shaft 12 antiport through rotating handle 11, screw shaft 12 drives gag lever post 13 and stretches out from fixed disk 1 is inside, insert in the recess of blade 2, can fix blade 2, install blade 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centrifugal impeller for aeroengine convenient to installation, includes fixed disk (1), blade (2) and motor shaft (4), its characterized in that: blade (2) and fixed disk (1) sliding connection, fixed disk (1) right-hand member face central point fixedly connected with connecting block (3), motor shaft (4) and connecting block (3) sliding connection, the connecting block (3) outside is equipped with pull rod (5), pull rod (5) through connection piece (3), pull rod (5) and connecting block (3) sliding connection, the other end fixedly connected with slider (6) of pull rod (5), slider (6) and connecting block (3) sliding connection, fixed disk (1) inboard rotation is connected with first bevel gear (9).

2. An easy-to-install centrifugal impeller for an aircraft engine according to claim 1, wherein: slider (6) outside fixedly connected with locating piece (7), locating piece (7) through connection piece (3), locating piece (7) and connecting piece (3) sliding connection, motor shaft (4) is run through in locating piece (7), locating piece (7) and motor shaft (4) sliding connection, locating piece (7) right-hand member personally submits the slope setting.

3. An easy-to-install centrifugal impeller for an aircraft engine according to claim 1, wherein: the outer side of the pull rod (5) between the sliding block (6) and the connecting block (3) is sleeved with a spring (8), one end of the spring (8) is fixedly connected with the sliding block (6), and the other end of the spring (8) is fixedly connected with the connecting block (3).

4. An easy-to-install centrifugal impeller for an aircraft engine according to claim 1, wherein: first bevel gear (9) outside meshing has second bevel gear (10), second bevel gear (10) rotate with fixed disk (1) and are connected, second bevel gear (10) outside fixedly connected with handle (11), fixed disk (1) is run through in handle (11), handle (11) rotate with fixed disk (1) and are connected.

5. An easy-to-install centrifugal impeller for an aircraft engine according to claim 1, wherein: be located the top first bevel gear (9) top face and the equal fixedly connected with screw shaft (12) of first bevel gear (9) bottom face that is located the below, screw shaft (12) outside screwed connection has gag lever post (13), gag lever post (13) run through fixed disk (1), gag lever post (13) and fixed disk (1) sliding connection, gag lever post (13) run through blade (2), gag lever post (13) and blade (2) sliding connection.