CN215677414U

CN215677414U - Rotor assembly dynamic balance switching tool

Info

Publication number: CN215677414U
Application number: CN202121889319.6U
Authority: CN
Inventors: 林大凯; 谢小帅; 刘金志
Original assignee: Wuxi Hyatech Technology Co ltd
Current assignee: Wuxi Hyatech Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-28
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a dynamic balance switching tool of a rotor assembly, which comprises a spline sleeve, wherein a switching disc is sleeved on one side of the spline sleeve, a coupler is sleeved on the other side of the switching disc, the spline sleeve and the switching disc coupler are fixedly connected through screws, screw holes are formed in the side surfaces of the spline sleeve, the switching disc and the coupler, an internal spline is machined on the spline sleeve, the outer diameters of the spline sleeve, the switching disc and the coupler are consistent, and through holes are formed in the inner center positions of the spline sleeve and the switching disc. This rotor subassembly dynamic balance switching frock dismouting convenient operation is favorable to realizing the repeated dismouting and the transposition of balanced in-process, and secondly, this rotor subassembly dynamic balance switching frock possesses the commonality, different specification rotor subassemblies of the same type only need change the spline housing can, improved the practicality greatly when reducing the expense.

Description

Rotor assembly dynamic balance switching tool

Technical Field

The utility model relates to the technical field of rotor assemblies of aircraft engines, in particular to a dynamic balance switching tool for a rotor assembly.

Background

Aeroengine rotor subassembly needs to carry out dynamic balance, and the balanced rotational speed that requires of general rotor subassembly is high, and weight is great, can't carry out the moment of torsion transmission with the belt, need adopt special switching frock to couple together rotor subassembly and balancing machine universal joint, transmission moment of torsion when can realizing axial positioning to satisfy balanced requirement, when the frock design is unreasonable, the expense is expensive and balanced effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotor assembly dynamic balance switching tool to solve 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 rotor subassembly dynamic balance switching frock, includes the spline housing, the switching dish has been cup jointed to one side of spline housing, the shaft coupling has been cup jointed to the opposite side of switching dish, and passes through screw fixed connection between spline housing, the switching dish shaft coupling.

Preferably, screw holes are formed in the side faces of the spline sleeve, the adapter plate and the coupler.

Preferably, the spline sleeve is provided with an internal spline.

Preferably, the outer diameters of the spline sleeve, the adapter plate and the coupling are consistent.

Preferably, the spline housing and the inner center of the adapter plate are both provided with through holes.

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

1. this rotor subassembly dynamic balance switching frock dismouting convenient operation is favorable to realizing the repeated dismouting and the transposition of balanced in-process.

2. This rotor subassembly dynamic balance switching frock possesses the commonality, different specification rotor subassemblies of the same type only need change the spline housing can, improved the practicality greatly when reducing the expense.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a side view of the spline housing of the present invention;

FIG. 3 is a side view of an adapter plate of the present invention;

fig. 4 is a side view of the coupling of the present invention.

In the figure: 1. a spline housing; 2. a screw; 3. a switching disk; 4. a coupling is provided.

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. 1-4, the present invention provides the following technical solutions: a rotor assembly dynamic balance switching tool comprises a spline housing 1, wherein a switching disc 3 is sleeved on one side of the spline housing 1, a coupler 4 is sleeved on the other side of the switching disc 3, and the spline housing 1 and the coupler 4 of the switching disc 3 are fixedly connected through a screw 2;

the tool adopts a set of connecting system, a rotor assembly, a spline housing 1, a switching disc 3, a coupler 4 and a balancing machine, all levels of connection play a centering role and a rigid connection role, and the stability and reliability of the balancing process are ensured;

the spline housing 1 is provided with an internal spline with the precision grade matched with the rotor assembly, so that circumferential fixing with the rotor assembly can be realized, and then the adapter plate 3 and the central bolt are installed, so that axial fixing with the rotor assembly can be realized;

the left spigot and the bolt hole of the coupler 4 are used for connecting with the adapter plate, and the right spigot and the bolt hole are used for connecting with a balancing machine and transmitting torque;

the whole set of frock is balanced before the installation, ensures that frock self balance precision grade is unanimous with the rotor subassembly balance precision.

In the utility model: screw holes are formed in the side faces of the spline housing 1, the adapter plate 3 and the coupler 4 and are matched with the screws 2.

In the utility model: the spline housing 1 is provided with an internal spline.

In the utility model: the outer diameters of the spline housing 1, the adapter plate 3 and the coupling 4 are consistent.

In the utility model: the through holes are formed in the inner center positions of the spline housing 1 and the adapter plate 3.

The working principle is as follows:

1. the spline housing 1 is heated and then assembled with the adapter plate 3, and then the coupler 4 is heated by a hot air gun and is installed with the adapter plate 3;

2. carrying out static balance on the whole balance tool assembly to ensure that the residual unbalance is not more than 0.5 g.cm;

3. then the coupling 4 is disassembled by using the bolt and the jackscrew hole;

4. mounting a tooling assembly consisting of the spline housing 1 and the adapter plate 3 on the rotor assembly, matching an internal spline of the spline housing 1 with an external spline of the rotor assembly, and tightening the center by using a bolt of M20x 30; then the shaft coupling 4 is heated by a hot air gun and is installed together with the tool assembly;

5. the universal joint of the balancing machine and the coupling 4 on the tool assembly are connected together by 6 screws M6 for dynamic balancing.

In summary, the following steps: firstly, this rotor subassembly dynamic balance switching frock dismouting convenient operation is favorable to realizing the repeated dismouting and the transposition of balanced in-process.

Secondly, this rotor subassembly dynamic balance switching frock possesses the commonality, different specification rotor subassemblies of the same type only need change spline housing 1 can, improved the practicality greatly when reducing the expense.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 rotor subassembly dynamic balance switching frock, includes spline housing (1), its characterized in that: one side of the spline sleeve (1) is sleeved with the adapter plate (3), the other side of the adapter plate (3) is sleeved with the coupler (4), and the spline sleeve (1) and the adapter plate (3) are fixedly connected with the coupler (4) through the screws (2).

2. The rotor assembly dynamic balance switching tool of claim 1, wherein: screw holes are formed in the side faces of the spline sleeve (1), the adapter plate (3) and the coupler (4).

3. The rotor assembly dynamic balance switching tool of claim 1, wherein: the spline housing (1) is provided with an internal spline.

4. The rotor assembly dynamic balance switching tool of claim 1, wherein: the outer diameters of the spline sleeve (1), the adapter plate (3) and the coupling (4) are consistent.

5. The rotor assembly dynamic balance switching tool of claim 1, wherein: the spline housing (1) and the inner center of the adapter plate (3) are provided with through holes.