Lifting appliance for inserting cast-aluminum rotor into stator

By designing a cast aluminum rotor-entry stator spreader, using the combination of support frame, connecting frame and rotor connector, the problems of low installation stability and risk of bumps in the prior art are solved, and efficient and stable rotor installation is achieved.

CN222821083UActive Publication Date: 2025-05-02SHANGHAI SHANGDIAN ELEC MASCH CORP
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Patent Information

Application Number
CN202421739140.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-05-02
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

In the prior art, when the cast aluminum rotor is installed into the stator, long pipe auxiliary tools are required, which has a risk of bruising and is not very stable in installation.

Method used

A cast aluminum rotor-entry stator spreader is designed, including a support frame, a connecting frame and a rotor connector. It is arranged parallel to the support frame through the rotor connector. The body horizontal hook and an adjustable horizontal hook are used to ensure that the spreader and the rotor are installed in a horizontal state.

Benefits of technology

It achieves high efficiency and reliable rotor installation, reduces the number of times the long tube penetrates into the stator, and reduces the risk of bumps.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222821083U_ABST
    Figure CN222821083U_ABST
Patent Text Reader

Abstract

The utility model relates to a lifting appliance for inserting a cast-aluminum rotor into a stator, which comprises a support frame, a connecting frame and a rotor connecting piece, the rotor connecting piece is connected with the support frame through the connecting frame, the rotor connecting piece and the support frame are arranged in parallel, and a body horizontal lifting hook which is fixedly arranged and an adjustable horizontal lifting hook which is slidably arranged are arranged on the support frame. Compared with the prior art, the device has the advantages of high efficiency, stable and reliable installation and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor rotor assembly, in particular to a cast aluminum rotor into the stator hanging device. Background Art

[0002] In the process of motor manufacturing and maintenance, accurately installing the cast aluminum rotor into the stator is one of the key steps. In order to ensure the smooth progress of the installation process and the stable operation of the rotor, a series of auxiliary tools are usually required in the prior art, including rotor supports, rotor lifters, etc.

[0003] An existing method of installing a rotor into a stator is to first install an auxiliary long tube into the stator, connect the rotor to the end of the long tube, and use an auxiliary tool to simultaneously move the long tube and the rotor to install the rotor into the stator. The above method requires the long tube to be inserted into the stator first, which has the risk of damage and low installation stability. Utility Model Content

[0004] The utility model aims to overcome the defects of the prior art and provide a cast aluminum rotor stator hanging device with high efficiency and stable and reliable installation.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A cast aluminum rotor into stator hanger comprises a support frame, a connecting frame and a rotor connecting piece, wherein the rotor connecting piece is connected to the support frame through the connecting frame, the rotor connecting piece and the support frame are arranged in parallel, and the support frame is provided with a fixedly installed body horizontal hook and a slidably installed adjustable horizontal hook.

[0007] Furthermore, the end of the rotor connector is movably connected with a sleeve that can match rotors of different sizes.

[0008] Furthermore, bolt holes for fixing the sleeve are provided on the end of the rotor connecting piece and the sleeve.

[0009] Furthermore, the rotor connecting piece is a steel pipe connecting piece.

[0010] Furthermore, the support frame is welded from a plurality of channel steels.

[0011] Furthermore, the connecting frame includes a first connecting rod and a second connecting rod, one end of the first connecting rod is connected to the support frame, and the other end is connected to one end of the rotor connecting member, and one end of the second connecting rod is connected to the support frame, and the other end is connected to the other end of the rotor connecting member.

[0012] Furthermore, the second connecting rod is arranged perpendicular to the supporting frame.

[0013] Furthermore, the connecting frame also includes a third connecting rod, and the third connecting rod is connected between the second connecting rod and the supporting frame.

[0014] Furthermore, the connecting frame further includes a fourth connecting rod, and the fourth connecting rod is connected between the first connecting rod and the rotor connecting member.

[0015] Furthermore, the connecting frame is a channel steel structure frame.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model is provided with a rotor connector. After one end of the rotor connector is connected to the rotor to be installed, the connected hanger and the rotor are hoisted by a hoisting device, and the level of the overall connection assembly is ensured by an adjustable horizontal hook. The rotor is conveniently installed into the stator in a horizontal direction by moving the hoisting device. The installation is reliable, and the number of times the long tube is inserted into the stator in the prior art is reduced, effectively reducing the risk of collision.

[0018] 2. In the utility model, the support frame and the rotor connecting piece are arranged in parallel, and the level of the whole sling is ensured by the horizontal hook of the main body. Only an adjustable horizontal hook is arranged to ensure the horizontal state of the rotor after being connected to the sling, which is easy to operate and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the connection between the utility model and the rotor to be installed. DETAILED DESCRIPTION

[0021] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0022] This embodiment provides a cast aluminum rotor into the stator hanger, refer to Figure 1 As shown, it includes a support frame 1, a connecting frame and a rotor connecting member 4. The rotor connecting member 4 is connected to the support frame 1 through the connecting frame. The rotor connecting member 4 and the support frame 1 are arranged in parallel. The support frame 1 is provided with a fixedly installed main body horizontal hook 2 and a slidably installed adjustable horizontal hook 3.

[0023] refer to Figure 2As shown, when the sling is working, the main body horizontal hook 2 is hoisted on the hoisting equipment to keep the sling in a horizontal state. After the rotor connector 4 is connected to the rotor 10 to be installed, the position of the adjustable horizontal hook 3 is adjusted to make the overall structure including the sling and the rotor in a horizontal state, so that the rotor can be hoisted in a horizontal posture, and then the sling and the rotor are moved together by moving the hoisting equipment, and then installed in the stator. After the adjustable horizontal hook 3 is adjusted in place, the static friction between the adjustable horizontal hook 3 and the support frame 1 can be adjusted by a screw (not shown in the figure) to make the adjustable horizontal hook 3 not easy to move.

[0024] In this embodiment, the size of the connection frame can make the distance between the support frame 1 and the rotor connector 4 larger than half the radial size of the rotor to be installed, so that the rotor can be inserted into the rotor connector 4 to achieve connection.

[0025] In this embodiment, Figure 2 As shown, the connecting frame includes a first connecting rod 5 and a second connecting rod 6. One end of the first connecting rod 5 is connected to the support frame 1, and the other end is connected to one end of the rotor connecting member 4. One end of the second connecting rod 6 is connected to the support frame 1, and the other end is connected to the other end of the rotor connecting member 4, so that the first connecting rod 5, the second connecting rod 6 and the rotor connecting member 4 form a triangular structure with high stability.

[0026] In a preferred embodiment, the second connecting rod 6 is arranged perpendicular to the supporting frame 1 .

[0027] In this embodiment, the main body horizontal hook 2 is located at one end of the support frame 1, and the angle between the first connecting rod 5 and the rotor connecting piece 4 is 45°. At this time, the overall center of gravity of the sling is stable, that is, when the main body horizontal hook 2 is lifted by the lifting equipment without the rotor, the sling is in a horizontal state.

[0028] In a preferred embodiment, the connecting frame further comprises a third connecting rod 7, which is connected between the second connecting rod 6 and the support frame 1 to strengthen the support. In this embodiment, the angle between the third connecting rod 7 and the support frame 1 is 60°.

[0029] In a preferred embodiment, the connection frame further includes a fourth connection rod 8, which is connected between the first connection rod 5 and the rotor connection member 4, so as to further improve the stability of the connection frame.

[0030] In a preferred embodiment, in order to adapt to rotors of different sizes to be installed, a sleeve 9 that can match rotors of different sizes is movably connected to the end of the rotor connector 4. Further, bolt holes for fixing the sleeve 9 are provided on the end of the rotor connector 4 and the sleeve 9. A suitable sleeve 9 is selected according to the size of the rotor, and the sleeve 9 is installed in the rotor connector 4. The sleeve is fixed by passing a bolt (not shown in the figure) through the bolt hole, and it is convenient to remove.

[0031] In the above-mentioned lifting device, the rotor connecting member 4 is a steel pipe connecting member, that is, it is made of a steel pipe, which is convenient for connecting or connecting the rotor to be installed through the sleeve 9.

[0032] In the above-mentioned sling, the support frame 1 and the connecting frame can be made of channel steel, which has high reliability and stability. Specifically, the support frame 1, the first connecting rod 5 and the second connecting rod 6 can be formed by two channel steels arranged back to back and intermittently welded, and the third connecting rod 7 and the fourth connecting rod 8 can be made of a single channel steel.

[0033] In the above-mentioned sling, the sleeve 9 can be rolled from a steel plate, and the edge is cut from a copper plate, which is convenient to manufacture.

[0034] In the above-mentioned lifting device, the main body horizontal hook 2 and the adjustable horizontal hook 3 can be cut from steel plates or bent from round steel, which is convenient to manufacture.

[0035] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A cast aluminum rotor into stator hanger, characterized in that: The invention comprises a support frame (1), a connecting frame and a rotor connecting member (4), wherein the rotor connecting member (4) is connected to the support frame (1) via the connecting frame, the rotor connecting member (4) and the support frame (1) are arranged in parallel, and the support frame (1) is provided with a fixedly installed body horizontal hook (2) and a slidably installed adjustable horizontal hook (3).

2. The cast aluminum rotor stator hanging device according to claim 1, characterized in that: The end of the rotor connecting member (4) is movably connected to a sleeve (9) that can match rotors of different sizes.

3. The cast aluminum rotor stator hanging device according to claim 2, characterized in that: Bolt holes for fixing the sleeve (9) are provided on the end of the rotor connecting member (4) and the sleeve (9).

4. The cast aluminum rotor stator hanging device according to claim 1, characterized in that: The rotor connecting piece (4) is a steel pipe connecting piece.

5. The cast aluminum rotor stator hanging device according to claim 1, characterized in that: The support frame (1) is formed by welding a plurality of channel steels.

6. The cast aluminum rotor stator hanging device according to claim 1, characterized in that: The connecting frame comprises a first connecting rod (5) and a second connecting rod (6); one end of the first connecting rod (5) is connected to the support frame (1), and the other end is connected to one end of the rotor connecting member (4); one end of the second connecting rod (6) is connected to the support frame (1), and the other end is connected to the other end of the rotor connecting member (4).

7. The cast aluminum rotor stator hanging device according to claim 6, characterized in that: The second connecting rod (6) is arranged perpendicular to the supporting frame (1).

8. The cast aluminum rotor stator hanging device according to claim 6, characterized in that: The connecting frame further comprises a third connecting rod (7), wherein the third connecting rod (7) is connected between the second connecting rod (6) and the supporting frame (1).

9. The cast aluminum rotor stator hanging device according to claim 6, characterized in that: The connecting frame further comprises a fourth connecting rod (8), wherein the fourth connecting rod (8) is connected between the first connecting rod (5) and the rotor connecting member (4).

10. The cast aluminum rotor stator hanging device according to claim 1, characterized in that: The connecting frame is a channel steel structure frame.