CN216959609U

CN216959609U - Integrated motor rotor installation tool

Info

Publication number: CN216959609U
Application number: CN202220668710.1U
Authority: CN
Inventors: 叶永刚; 黄�俊; 谢存
Original assignee: Zhejiang Zhigao Power Technology Co ltd
Current assignee: Zhejiang Zhigao Power Technology Co ltd
Priority date: 2022-03-26
Filing date: 2022-03-26
Publication date: 2022-07-12
Anticipated expiration: 2032-03-26

Abstract

The utility model discloses an integrated motor rotor installation tool which comprises a screw rod assembly, a pressing plate assembly, a pull rod assembly and a positioning screw rod; one end of the screw rod assembly is butted with one end of the pull rod assembly, the pressing plate assembly is sleeved on the butted screw rod assembly and the pull rod assembly and used for positioning the motor rotor, and the positioning screw rod is in threaded connection with the central axis of the other outer end face of the screw rod assembly; the screw rod assembly, the pressing plate assembly, the pull rod assembly and the positioning screw rod are coaxially arranged; adopt this integrative electric motor rotor installation frock installation electric motor rotor, can effectively reduce staff's working strength, can also effectively improve production efficiency, can guarantee the concentricity of electric motor rotor and host computer axle simultaneously, reduce the damage degree to the host computer bearing by a wide margin to improve coaxial integral type permanent magnetism frequency conversion screw compressor's production quality.

Description

Integrated motor rotor installation tool

Technical Field

The utility model relates to the technical field of motor production, in particular to an integrated motor rotor installation tool.

Background

When the coaxial integrated permanent magnet variable frequency screw compressor is installed, the motor rotor needs to be knocked to the corresponding position of a host shaft by a copper bar, so that the motor rotor is matched with the host to work.

The above operation method has the following problems:

1. the physical consumption of workers is large, so that the working strength is high, more assembly time is consumed, and the production efficiency is low;

2. when the device is installed, the knocking of the copper rod damages a bearing of the host machine, and the service life of the host machine is influenced;

3. the concentricity of the motor rotor and the main machine shaft can not be ensured during installation, and the gaps are uneven, so that larger noise is generated during operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an integrated motor rotor installation tool which is simple in structure and convenient to operate, the motor rotor is installed by using the integrated motor rotor installation tool, the working strength of workers can be reduced, the production efficiency is improved, the motor rotor is prevented from being knocked by an auxiliary tool in the installation process, the damage to a main machine bearing in the installation process is greatly reduced, the concentricity of the motor rotor and a main machine shaft is ensured, and the service life of a main machine of a coaxial integrated permanent magnet variable frequency screw compressor is ensured.

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

integrative electric motor rotor installation frock includes: the device comprises a screw rod assembly, a pressing plate assembly, a pull rod assembly and a positioning screw rod; one end of the screw rod assembly is butted with one end of the pull rod assembly, the pressing plate assembly is sleeved on the butted screw rod assembly and the pull rod assembly and used for positioning the motor rotor, and the positioning screw rod is in threaded connection with the central axis of the other outer end face of the screw rod assembly; the screw rod assembly, the pressing plate assembly, the pull rod assembly and the positioning screw rod are all coaxially arranged.

When the integrated motor rotor installation tool is used, the motor rotor is sleeved on the pressing plate assembly, the integrated motor rotor installation tool is aligned to the central shaft of the main shaft by using the positioning screw rod, the screw rod assembly is driven to rotate by using a pneumatic tool, and the motor is pushed into the main shaft in a rotating mode, so that the purpose of installing the motor rotor is achieved.

The pull rod assembly comprises a pressing block and a pull rod, and the pressing block is cylindrical; the pull rod is fixedly installed at one end of the pressing block, a connecting seat which is of an integrated structure with the pull rod is arranged at one end of the pull rod far away from the pressing block, and the inside of the pull rod is of a hollow structure.

The screw rod assembly comprises a screw rod, one end of the screw rod penetrates through the connecting seat, and the screw rod is in threaded connection with the connecting seat; the other end of the screw rod is sleeved with an installation block and a nut, the nut is positioned on the outer side of the installation block, and a gasket is arranged between the nut and the installation block.

The pressing plate component comprises a pressing plate and a pressing cylinder, and one end of the pressing plate is in butt joint with one end of the pressing cylinder.

One end of the pressing cylinder far away from the pressing plate is sleeved on the pressing block, and the other end of the pressing plate is in butt joint with one end of the mounting block back to the nut.

The pressing cylinder, the screw rod, the pull rod and the pressing block are all coaxially arranged.

The positioning screw rod is arranged on the central axis of the pressing block back to the pull rod.

In order to facilitate the lead screw to penetrate through the pressing plate assembly and be in butt joint with the pull rod assembly, a through hole matched with the lead screw is reserved on the central axis of the pressing plate.

The outer diameter of the pull rod, the diameter of the screw rod and the diameter of the pressing block are all smaller than the inner diameter of the pressing cylinder.

The diameter of the screw rod is smaller than the inner diameter of the pull rod, and the outer diameter of the pull rod is smaller than the diameter of the pressing block.

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

the integrated motor rotor installation tool provided by the utility model mainly comprises a pressing block, a pull rod, a connecting seat, a lead screw, a pressing plate, a pressing cylinder and the like, and is used for installing a motor rotor, so that the working strength of workers can be effectively reduced, the production efficiency can be effectively improved, the concentricity of the motor rotor and a host shaft can be ensured, the noise generated when the host of the coaxial integrated permanent magnet frequency conversion screw compressor operates can be effectively reduced, the damage degree to a host bearing can be greatly reduced, the production quality of the coaxial integrated permanent magnet frequency conversion screw compressor can be improved, and the service life of the host of the coaxial integrated permanent magnet frequency conversion screw compressor can be ensured.

Drawings

FIG. 1 is an exploded view of the integrated motor rotor mounting fixture of the present invention;

FIG. 2 is an exploded view from another perspective of the integrated electric machine rotor installation tooling of the present invention;

FIG. 3 is a schematic structural view of the integrated motor rotor mounting tool of the present invention in cooperation with a motor rotor;

FIG. 4 is a schematic structural view of another view angle of the integrated motor rotor mounting tool of the present invention in use with a motor rotor;

FIG. 5 is a schematic plane structure diagram of the integrated motor rotor mounting tool of the present invention in cooperation with a motor rotor;

fig. 6 is a schematic view of the structure taken along the section a-a in fig. 5.

In the figure: 1. mounting blocks; 2. pressing a plate; 3. pressing the cylinder; 4. a screw rod; 5. a connecting seat; 6. a pull rod; 7. briquetting; 8. positioning a screw rod; 9. a motor rotor; 10. a through hole; 11. a threaded bore.

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.

As shown in fig. 1 to 6, the integrated motor rotor mounting tool in the embodiment of the present invention includes a screw rod assembly, a pressing plate assembly, a pull rod assembly, and a positioning screw 8.

The pull rod assembly comprises a pressing block 7 and a pull rod 6, and the pressing block 7 is cylindrical; the pull rod 6 is fixedly installed at one end of the pressing block 7, a connecting seat 5 which is of an integrated structure with the pull rod 6 is arranged at one end of the pull rod 6 far away from the pressing block 7, and the pull rod 6 is of a hollow structure.

The screw rod assembly comprises a screw rod 4, one end of the screw rod 4 penetrates through the connecting seat 5, and the screw rod 4 is in threaded connection with the connecting seat 5; the other end of the screw rod 4 is sleeved with an installation block 1 and a nut, the nut is positioned on the outer side of the installation block 1, and a gasket is arranged between the nut and the installation block 1.

The pressing plate component comprises a pressing plate 2 and a pressing barrel 3, and one end 2 of the pressing plate is in butt joint with one end of the pressing barrel 3.

The pressing cylinder 3 far away from the pressing plate 2 is sleeved on the pressing block 7, and the other end of the pressing plate 2 is in butt joint with one end of the mounting block 1 back to the nut.

In the embodiment, one end of the screw rod assembly is butted with one end of the pull rod assembly, specifically, one end of a screw rod 4 in the screw rod assembly is in threaded connection with a connecting seat 5 in the pull rod assembly; the pressing plate assembly is sleeved on the lead screw assembly and the pull rod assembly which are in butt joint, specifically, the pressing plate 2 and the pressing barrel 3 of the pressing plate assembly are sleeved on the lead screw 4 and the connecting seat 5 which are in butt joint, so that one end of the pressing barrel 3 is sleeved with the pressing plate 2, and the outer end face of the pressing plate 2 is in butt joint with the mounting block 1 in the lead screw assembly.

In this embodiment, the motor rotor is sleeved on the pressing cylinder 3 in the pressing plate assembly, the positioning screw 8 is connected to the central axis of the outer end face of the pressing block 7 of the back pull rod 6 in a threaded manner, and for convenience of installation of the positioning screw 8, a threaded hole 11 matched with the positioning screw 8 is further formed in one end of the pressing block 7 of the back pull rod 6.

In the above embodiment, in order to ensure that the assembled motor rotor and the host do not have a deviation in position, the screw rod assembly, the pressing plate assembly, the pull rod assembly and the positioning screw 8 are all coaxially arranged. In particular to a pressing cylinder 3, a screw rod 4, a pull rod 6 and a pressing block 7 which are all coaxially arranged.

In the above embodiment, in order to facilitate the lead screw 4 to penetrate through the pressing plate assembly and be in butt joint with the pull rod assembly, the pressing plate 2 is sleeved on the lead screw 4, and a through hole 10 matched with the lead screw 4 is reserved on the central axis of the pressing plate 2.

In order to facilitate the motor rotor to be sleeved on the installation tool of the embodiment of the utility model, the outer diameter of the pull rod 6, the diameter of the screw rod 4 and the diameter of the pressing block 7 are all smaller than the inner diameter of the pressing cylinder 3.

In order to facilitate the butt joint and the sleeving of all components in the installation tool, the lead screw 4 can enter the pull rod 6, and the diameter of the lead screw 4 is smaller than the inner diameter of the pull rod 6; in order to prevent the use of the integrated motor rotor installation tool from being influenced by the contact between the pull rod 6 and the motor rotor 9, the outer diameter of the pull rod 6 is smaller than that of the pressing block 7.

When the integrated motor rotor installation tool is used, the motor rotor 9 is sleeved on the pressing cylinder 3, the motor rotor 9 is aligned to the main shaft, the screw rod assembly is driven by a pneumatic tool to rotate clockwise, the screw rod 4 drives the nut, the installation block 1, the pressing plate 2 and the pressing cylinder 3 move towards the pressing block 7, the motor rotor 9 is pushed out of the pressing block 7 and pushed into the main shaft, the motor rotor installation purpose is achieved, and after the motor rotor installation tool is installed in place, the motor rotor installation tool can be withdrawn by the aid of the counterclockwise rotation operation of the screw rod assembly.

The parts not involved in the embodiments of the present invention are the same as or can be implemented by using the prior art. 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. Integrative electric motor rotor installation frock, its characterized in that: comprises a screw rod component, a pressure plate component, a pull rod component and a positioning screw rod (8);

one end of the screw rod assembly is butted with one end of the pull rod assembly, the pressing plate assembly is sleeved on the butted screw rod assembly and the pull rod assembly and used for positioning the motor rotor, and the positioning screw rod is in threaded connection with the central axis of the other outer end face of the screw rod assembly;

the screw rod assembly, the pressing plate assembly, the pull rod assembly and the positioning screw rod are coaxially arranged.

2. The integrated motor rotor mounting tool according to claim 1, characterized in that: the pull rod assembly comprises a pressing block (7) and a pull rod (6), and the pressing block (7) is cylindrical; the pull rod (6) is fixedly installed at one end of the pressing block (7), a connecting seat (5) which is of an integrated structure with the pull rod (6) is arranged at one end of the pull rod (6) far away from the pressing block (7), and the pull rod (6) is of a hollow structure.

3. The integrated motor rotor mounting tool according to claim 2, characterized in that: the screw rod assembly comprises a screw rod (4), one end of the screw rod (4) penetrates through the connecting seat (5) to be arranged, and the screw rod (4) is in threaded connection with the connecting seat (5); the other end of the screw rod (4) is sleeved with an installation block (1) and a nut, the nut is located on the outer side of the installation block (1), and a gasket is arranged between the nut and the installation block (1).

4. The integrated motor rotor mounting tool according to claim 3, characterized in that: the pressing plate assembly comprises a pressing plate (2) and a pressing cylinder (3), and one end of the pressing plate (2) is in butt joint with one end of the pressing cylinder (3).

5. The integrated motor rotor mounting tool according to claim 4, characterized in that: one end of the pressing cylinder (3) far away from the pressing plate (2) is sleeved on the pressing block (7), and the other end of the pressing plate (2) is in butt joint with one end of the mounting block (1) back to the nut.

6. The integrated motor rotor mounting tool according to claim 5, characterized in that: the pressing cylinder (3), the screw rod (4), the pull rod (6) and the pressing block (7) are all coaxially arranged.

7. The integrated motor rotor mounting tool according to claim 6, characterized in that: the positioning screw rod (8) is arranged on the central axis of the pressing block (7) back to the pull rod (6).

8. The integrated motor rotor mounting tool according to claim 4, 5, 6 or 7, characterized in that: and a through hole (10) matched with the screw rod (4) is reserved on the central axis of the pressing plate (2).

9. The integrated motor rotor mounting tool according to claim 8, characterized in that: the outer diameter of the pull rod (6), the diameter of the screw rod (4) and the diameter of the pressing block (7) are all smaller than the inner diameter of the pressing cylinder (3).

10. The integrated motor rotor mounting tool according to claim 9, characterized in that: the diameter of the screw rod (4) is smaller than the inner diameter of the pull rod (6), and the outer diameter of the pull rod (6) is smaller than the diameter of the pressing block (7).