Motor rotor hoist assembly tooling

By designing a motor rotor lifting assembly fixture consisting of a lifting beam, connecting arm, rotor clamp, and sliding hook, the problem of friction or collision caused by vibration during rotor movement was solved, achieving stable assembly and improved safety.

CN224590504UActive Publication Date: 2026-08-04SINOGRAIN ZHENJIANG OILS & GRAINS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SINOGRAIN ZHENJIANG OILS & GRAINS CO LTD
Filing Date
2025-08-28
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing motor rotor lifting tools are prone to vibration during movement, which can cause friction or collision between the rotor and stator, resulting in damage.

Method used

A motor rotor lifting assembly fixture was designed, which includes a lifting beam, connecting arm, rotor clamp, and sliding hook. The rotor shaft alignment and stable movement are achieved through a position adjustment mechanism and a threaded rod system to avoid collisions.

Benefits of technology

This achieves stable movement of the rotor during assembly, avoiding friction or collision between the rotor and stator, thus improving assembly safety and rotor lifespan.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224590504U_ABST
    Figure CN224590504U_ABST
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Abstract

The utility model discloses a motor rotor hoist assembly frock, including hoisting beam, its top surface is equipped with position adjusting mechanism along the length direction, the arm of connection, from the one end of hoisting beam downward and outward inclination extension, and with hoisting beam integral or fixed connection, rotor clamp, solid be equipped with the lower extreme of arm of connection, for coaxial hug tightly stator, slip hook, install in position adjusting mechanism, for the suspension rotor hoist and can reciprocatingly move in the length direction of hoisting beam, to make rotor axis and by rotor clamp fixed rotor axis line coincide. Threaded sleeve carries out rotation limit, make threaded sleeve move on threaded rod, then drive the movement of slip hook under the connection plate arm of connection, since the crane hook is fixed, at this moment, hoisting beam can move, drive rotor to move, complete rotor subsequent assembly, the whole simple structure, and stable in the moving process, avoid the collision, improve the security.
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Description

Technical Field

[0001] This utility model specifically relates to an assembly fixture for a motor rotor lifting device. Background Technology

[0002] The motor rotor lifting assembly tool is a set of lifting, positioning, balancing and protection devices specifically designed to "safely and without damage install the rotor into the stator".

[0003] Currently, in the process of assembling motors in small batches, the connection between the lifting device and the hook is fixed. When it is necessary to move the lifting device, the entire crane needs to move the hook, thereby driving the movement of the motor rotor. This type of movement is prone to vibration, which can cause friction or collision between the rotor and the stator, resulting in damage. Utility Model Content

[0004] The purpose of this utility model is to provide an assembly tooling for a motor rotor lifting device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a motor rotor lifting assembly fixture, comprising: The hoisting beam has a position adjustment mechanism on its top surface along the length direction; The connecting arm extends downward and outward from one end of the lifting beam and is integrally or fixedly connected to the lifting beam; The rotor clamp is fixed to the lower end of the connecting arm and is used to coaxially clamp the stator. A sliding hook, installed on the position adjustment mechanism, is used to suspend the rotor lifting device and can reciprocate along the length of the lifting beam so that the rotor axis coincides with the rotor axis fixed by the rotor clamp.

[0006] Preferably, the upper surface of the hoisting beam has an inwardly formed groove, and the position adjustment mechanism includes a threaded rod that is laterally inserted into the groove, and a bearing seat that is adapted to one end of the threaded rod is provided on the inner wall of the groove.

[0007] Preferably, the other end of the threaded rod extends out of the groove and is connected to a turntable, and a handle is provided on the outside of the turntable.

[0008] Preferably, a threaded sleeve is fitted on the outer side of the threaded rod, and sliding plates extend outward from both sides of the threaded sleeve. The upper surface of the threaded sleeve is connected to the sliding hook through a connecting plate.

[0009] Preferably, the groove has sliding grooves on both the left and right sides, and the sliding plate extends into the sliding grooves.

[0010] Preferably, the upper surface of the hoisting beam is provided with slide rails on both sides of the groove, and a support block is provided in the slide rail, the support block being connected to the lower surface of the sliding hook.

[0011] Preferably, the support block is provided with rollers, and the rollers abut against the inner wall of the slide rail.

[0012] The technical effects and advantages of this utility model are as follows: After connecting the sliding hook to the crane hook, the rotor output end is inserted into the rotor clamp. Once the rotor is fixed, turning the handle rotates the turntable, which in turn rotates the threaded rod, causing the threaded sleeve to rotate as well. The threaded sleeve is then rotated and limited by the sliding plate along the length of the groove, allowing it to move on the threaded rod. Subsequently, the sliding hook moves under the connection of the connecting plate. Since the crane hook is fixed, the lifting beam can move, thus moving the rotor and completing the subsequent assembly of the rotor. The overall structure is simple, stable during movement, avoids collisions, and improves safety. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the handle structure of this utility model; Figure 3 This is a schematic diagram of the rotor clamp of this utility model; Figure 4 This is a schematic diagram of the threaded sleeve of this utility model; Figure 5 This is a schematic diagram of the structure of the roller of this utility model; Figure 6 This utility model Figure 3 A magnified structural diagram of point A in the middle.

[0014] In the diagram: 1. Lifting beam; 2. Connecting arm; 3. Rotor clamp; 4. Sliding hook; 5. Groove; 6. Threaded rod; 7. Bearing seat; 8. Turntable; 9. Handle; 10. Threaded sleeve; 11. Slide plate; 12. Slide groove; 13. Slide rail; 14. Support block; 15. Roller; 16. Connecting plate. Detailed Implementation

[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0016] To extend the service life of the rotor, refer to Figure 1 , Figure 2 and Figure 3As shown, it includes: a lifting beam 1, the top surface of which is provided with a position adjustment mechanism along the length direction; a connecting arm 2, which extends downward and outward from one end of the lifting beam 1 and is integrally or fixedly connected to the lifting beam 1; a rotor clamp 3, which is fixed to the lower end of the connecting arm 2 and is used to coaxially clamp the stator; and a sliding hook 4, which is installed on the position adjustment mechanism and is used to suspend the rotor lifting device and can reciprocate along the length direction of the lifting beam 1 so that the rotor axis coincides with the rotor axis fixed by the rotor clamp 3. After connecting the sliding hook 4 to the crane hook, insert the rotor output end into the rotor clamp 3. Once the rotor is fixed, turn the handle 9 to rotate the turntable 8, which in turn rotates the threaded rod 6, causing the threaded sleeve 10 to rotate as well. The threaded sleeve 10 is rotated and limited by the sliding plate 11 within the slide groove 12 along the length of the slide groove 12, allowing the threaded sleeve 10 to move on the threaded rod 6. Then, under the connection of the connecting plate 16, the sliding hook 4 moves. Since the crane hook is fixed, the lifting beam 1 can move, driving the rotor to move and completing the subsequent assembly of the rotor. The overall structure is simple and stable during movement, avoiding collisions.

[0017] To help reduce shaking, please refer to... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the upper surface of the hoisting beam 1 has an inwardly oriented groove 5. The position adjustment mechanism includes a threaded rod 6 that is laterally inserted into the groove 5. A bearing seat 7 adapted to one end of the threaded rod 6 is provided on the inner wall of the groove 5. Through the cooperation between the bearing seat 7 and the threaded rod 6, the threaded rod 6 is rotated under the drive of the turntable 8. The other end of the threaded rod 6 extends out of the groove 5 and is connected to the turntable 8. A handle 9 is provided on the outer side of the turntable 8. By rotating the handle 9, the turntable 8 can be rotated, thereby driving the threaded rod 6 to rotate. A threaded sleeve 10 is fitted on the outer side of the threaded rod 6. Slide plates 11 extend outward from both sides of the threaded sleeve 10. The upper surface of the threaded sleeve 10 is connected to the sliding hook 4 through a connecting plate 16. Slide grooves 12 are provided on both the left and right sides of the groove 5. The slide plates 11 extend into the slide grooves 12. As the threaded sleeve 10 rotates with the threaded rod 6, the threaded sleeve 10 itself also rotates. However, as the slide plates 11 slide along the length of the slide grooves 12, the threaded sleeve 10 is rotated and limited, converting the rotational motion into linear motion, thereby driving the threaded sleeve 10 to move. Since the sliding hook 4 is connected to the crane hook, which is in a stationary state, the lifting beam 1 moves, thus driving the rotor to move. The upper surface of the hoisting beam 1 is provided with slide rails 13 on both sides of the groove 5. A support block 14 is provided in the slide rail 13. The support block 14 is connected to the lower surface of the sliding hook 4. A roller 15 is provided in the support block 14. The roller 15 abuts against the inner wall of the slide rail 13. When the hoisting beam 1 moves, the roller 15 slides in the slide rail 13, which increases the stability of the hoisting beam 1 when it moves and further reduces shaking. The support block 14 also supports the sliding hook 4, which can improve its stability.

[0018] In use, first connect the sliding hook 4 to the crane hook, then insert the rotor output end into the rotor clamp 3. Once the rotor is fixed, turn the handle 9 to rotate the turntable 8, which in turn rotates the threaded rod 6, causing the threaded sleeve 10 to rotate as well. The threaded sleeve 10 is then rotated and limited by the sliding plate 11 within the slide groove 12 along the length of the slide groove 12, allowing the threaded sleeve 10 to move on the threaded rod 6. Subsequently, the sliding hook 4 moves under the connection of the connecting plate 16. Since the crane hook is fixed, the lifting beam 1 can move at this time, driving the rotor to move and completing the subsequent assembly of the rotor.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model.

Claims

1. A motor rotor lifting assembly fixture, characterized in that, include: The hoisting beam (1) has a position adjustment mechanism on its top surface along the length direction; The connecting arm (2) extends downward and outward from one end of the lifting beam (1) and is integral with or fixedly connected to the lifting beam (1); The rotor clamp (3) is fixed to the lower end of the connecting arm (2) and is used to coaxially clamp the rotor. The sliding hook (4) is installed on the position adjustment mechanism for suspending the rotor lifting device and can reciprocate along the length of the lifting beam (1) so that the rotor axis coincides with the rotor axis fixed by the rotor clamp (3).

2. The motor rotor lifting assembly fixture according to claim 1, characterized in that: The upper surface of the hoisting beam (1) is provided with a groove (5) facing inward. The position adjustment mechanism includes a threaded rod (6) that is inserted laterally into the groove (5). A bearing seat (7) that is adapted to one end of the threaded rod (6) is provided on the inner wall of the groove (5).

3. The motor rotor lifting assembly fixture according to claim 2, characterized in that: The other end of the threaded rod (6) extends out of the groove (5) and is connected to a turntable (8), with a handle (9) provided on the outside of the turntable (8).

4. The motor rotor lifting assembly fixture according to claim 3, characterized in that: The threaded rod (6) is fitted with a threaded sleeve (10) on the outside. The threaded sleeve (10) has sliding plates (11) extending outward on both sides. The upper surface of the threaded sleeve (10) is connected to the sliding hook (4) through a connecting plate (16).

5. The motor rotor lifting assembly fixture according to claim 4, characterized in that: The groove (5) has sliding grooves (12) on both the left and right sides, and the sliding plate (11) extends into the sliding grooves (12).

6. The motor rotor lifting assembly fixture according to claim 2, characterized in that: The upper surface of the hoisting beam (1) is provided with slide rails (13) on both sides of the groove (5). A support block (14) is provided in the slide rail (13), and the support block (14) is connected to the lower surface of the sliding hook (4).

7. The motor rotor lifting assembly fixture according to claim 6, characterized in that: The support block (14) is provided with a roller (15), which abuts against the inner wall of the slide rail (13).