Transferring lifting appliance for winding stator iron core of high-voltage motor

Abstract

The utility model relates to a high-voltage motor stator iron core transfer lifting appliance with a winding, which comprises a lifting appliance body, the lifting appliance body comprises an upper beam, a lower beam and a vertical beam connected with the upper beam and the lower beam, the lower beam is fixedly provided with a fan-shaped bearing plate, the surface of the fan-shaped bearing plate is covered with a rubber pad, the outer surface of the fan-shaped bearing plate forms a cambered surface, and the lower beam is fixedly provided with a rubber pad. The radian of the cambered surface is matched with that of the inner surface of the stator; the balance hanging ring is mounted at any position of the upper beam; and the positioning pin penetrates through the upper beam and the balance hanging ring. The stator transfer device has the advantage of being convenient to transfer, the fan-shaped bearing plate matched with the surface radian in the stator is fixedly installed on the lower beam so that the stator can be sufficiently supported, the balance hanging ring with the position adjusted according to the specification and the size of the stator is matched, and the efficiency of transferring the stator is improved.

Description

Technical Field

[0001] This invention relates to the field of motor transfer technology, and more particularly to a lifting device for transferring the stator core of a high-voltage motor with windings. Background Technology

[0002] Traditional rotor insertion requires two cranes, lifting straps, and sleeves. This process is time-consuming and labor-intensive. Furthermore, the sleeves and lifting straps wear out and require replacement after prolonged use, increasing costs and potentially scratching the stator surface. Some manufacturers address these issues by using lifting equipment to assist in stator transport.

[0003] Chinese patent CN215974566U discloses a main stator unloading lifting device, which includes an upper beam, a vertical beam, a lower beam, a lifting ring, an insulating layer, and a counterweight. The upper beam, vertical beam, and lower beam are integrated to form a C-shaped structure. A lifting ring is provided on the upper beam, and a counterweight is provided at the end of the upper beam, located near the lifting ring. The lower beam acts as a load-bearing hook. When lifting the main stator, the lower beam extends into the inner cavity of the main stator. The surface of the lower beam is fitted with an insulating layer. However, when transferring stators of different sizes and weights, the counterweight needs to be adjusted, increasing the weight of the entire lifting device. Furthermore, when the lower beam acts as a load-bearing hook, it cannot provide adequate support for the stator, which can easily damage the stator during transfer.

[0004] Therefore, it is necessary to develop a lifting tool for transferring the winding stator core of a high-voltage motor to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a lifting tool for transferring the winding stator core of a high-voltage motor, which is convenient for transportation.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-voltage motor stator core transfer lifting device, comprising:

[0007] The hoisting body includes an upper beam, a lower beam, and a vertical beam connecting the upper beam and the lower beam. A fan-shaped support plate is fixedly installed on the lower beam. The surface of the fan-shaped support plate is covered with a rubber pad. The outer surface of the fan-shaped support plate forms an arc surface, and the curvature of the arc surface matches the surface curvature inside the stator.

[0008] The balance rings are installed at any position on the upper beam.

[0009] A positioning pin passes through the upper beam and the balance ring.

[0010] Furthermore, the fan-shaped support plate extends from one end of the lower beam to the other end, with its lower surface fixedly connected to the lower beam and its outer surface extending outward to form an arc surface.

[0011] Furthermore, the lower beam is provided with reinforcing ribs on both sides, which are welded and fixed to both sides of the lower beam, and their tops are fixedly connected to the fan-shaped support plate.

[0012] Furthermore, the reinforcing rib is perpendicular to the lower beam and is disposed along the side surface of the lower beam.

[0013] Furthermore, the balance ring includes a ring body and a locking part fixedly connected to the ring body. The top of the locking part is fixedly connected to the ring body, and its bottom extends to both sides of the upper beam. The locking part has through holes that penetrate both sides of the locking part.

[0014] Furthermore, the vertical beam has several positioning holes penetrating its two side surfaces, and the positioning holes correspond to the through holes.

[0015] Furthermore, the positioning pin passes through the through hole and the positioning hole sequentially from the outside of the balance ring.

[0016] Furthermore, the number of the balancing rings is one pair, and the pair of balancing rings moves along the upper surface of the upper beam.

[0017] Furthermore, the lifting body is fixedly connected to a handle, one end of which is fixedly connected to the lifting body, and the other end extends horizontally outward.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: The utility model is a high-voltage motor winding stator core transfer lifting tool, which is convenient for transfer. By fixing and installing a fan-shaped support plate that matches the surface curvature inside the stator on the lower beam, the stator can be adequately supported. With the help of a balance lifting ring whose position can be adjusted according to the stator specifications and size, the efficiency of transferring the stator is accelerated. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0020] Figure 1 This is a three-dimensional structural diagram of a high-voltage motor stator core transfer lifting device according to the present invention;

[0021] Figure 2 for Figure 1 The image shows a side view of a high-voltage motor with a winding stator core transfer lifting device.

[0022] In the diagram: 1. Lifting body; 2. Balancing ring; 3. Positioning pin; 11. Upper beam; 12. Lower beam; 13. Vertical beam; 14. Positioning hole; 15. Fan-shaped support plate; 16. Reinforcing rib; 17. Rubber pad; 21. Lifting ring body; 22. Locking part; 23. Lifting ring hole; 24. Through hole; 4. Handle. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please refer to Figures 1 to 2 This utility model is a high-voltage motor with winding stator core transfer lifting device, which includes a lifting body 1, a balance lifting ring 2 located on the top of the lifting body 1, and a positioning pin 3 connecting the lifting body 1 and the balance lifting ring 2.

[0025] Please refer to Figures 1 to 2 The lifting body 1 is a welded structure that requires secondary annealing to ensure sufficient rigidity, impact resistance, and deformation resistance. It primarily serves a stabilizing and supporting function. Its U-shaped design facilitates the handling of the wound stator core within the enclosed unwinding roller frame. The H-shaped cross-section of the lifting body 1 further enhances the overall structural strength.

[0026] Specifically, the lifting body 1 includes an upper beam 11, a lower beam 12, and a vertical beam 13 connecting the upper beam 11 and the lower beam 12. The upper beam 11, the lower beam 12, and the vertical beam 13 connecting the upper beam 11 and the lower beam 12 are integrally formed. The upper beam 11 is located at the top of the lifting body 1, with its upper surface being horizontal and its lower surface being inclined, that is, the outer diameter of the upper beam 11 is smaller than the diameter of the end connected to the vertical beam 13. The upper beam 11 has a number of positioning holes 14 penetrating its two side surfaces. The number and spacing of the positioning holes 14 can be changed according to requirements. The positioning holes 14 extend horizontally from one end of the upper beam 11 to the other end.

[0027] Please refer to Figures 1 to 2 The lower beam 12 is located at the bottom of the lifting body 1, in a horizontal position, and perpendicular to the vertical beam 13. A fan-shaped support plate 15 is provided on the upper surface of the lower beam 12. The length of the fan-shaped support plate 15 varies according to requirements. In this embodiment, the fan-shaped support plate 15 extends from one end of the lower beam 12 to the other end. The lower surface of the fan-shaped support plate 15 is fixedly connected to the lower beam 12, and its outer surface extends outward to form an arc surface. The curvature of this arc surface varies according to the diameter of the stator. The fan-shaped support plate 15 requires secondary annealing to ensure sufficient rigidity, impact resistance, and deformation resistance. It mainly serves a stabilizing and supporting function, reducing wear on the lifting device caused by the wound stator core.

[0028] The lower beam 12 is also provided with reinforcing ribs 16 on both sides. The reinforcing ribs 16 are welded and fixed to both sides of the lower beam 12, perpendicular to the lower beam 12. The reinforcing ribs 16 are set along the side surface of the lower beam 12, and their tops are fixedly connected to the fan-shaped support plate 15.

[0029] A rubber pad 17 is provided on the upper surface of the sector-shaped support plate 15. The rubber pad 17 covers and is fixed to the upper surface of the sector-shaped support plate 15, which can prevent scratches inside the winding stator core.

[0030] Please refer to Figures 1 to 2 The balancing ring 2 includes a ring body 21 and a locking part 22 fixedly connected to the ring body 21. The ring body 21 has a ring hole 23 that penetrates both sides of the ring body 21. The balancing ring 2 is connected to other handling equipment through the ring hole 23. The top of the locking part 22 is fixedly connected to the ring body 21, and its bottom extends to both sides of the upper beam 11. The locking part 22 has a through hole 24 that penetrates both sides of the locking part 22.

[0031] The number of balance rings 2 can be changed according to requirements. In this embodiment, there is a pair of balance rings 2. The pair of balance rings 2 moves along the upper surface of the upper beam 11. The position of the pair of balance rings 2 on the upper beam 11 is determined according to the weight and specifications of the stator.

[0032] The positioning pin 3 passes through the through hole 24 and the positioning hole 14 sequentially from the outside of the self-balancing lifting ring 2, thereby achieving a fixed connection between the lifting body 1 and the self-balancing lifting ring 2.

[0033] In another embodiment, the lifting body 1 is fixedly connected to a handle 4, one end of which is fixedly connected to the lifting body 1, and the other end extends horizontally outward to facilitate control of movement when transporting a stator core with windings.

[0034] When using the high-voltage motor stator core transfer lifting device of this utility model, according to the weight and specifications of the stator, a pair of balancing lifting rings 2 are moved to position the balancing stator. The positioning pins 3 pass through the through holes 24 and positioning holes 14 from the outside of the balancing lifting rings 2 to achieve a fixed connection between the lifting body 1 and the balancing lifting rings 2. The handling equipment drives the lifting body 1 to move through the balancing lifting rings 2, so that the lower beam 12 enters the stator from the side. The handling equipment continues to move, and the fan-shaped support plate 15 supports the stator from the inside of the stator. The rubber pad 17 is located between the stator and the fan-shaped support plate 15 to act as a buffer.

[0035] The utility model is a high-voltage motor stator core transfer lifting tool with windings. It is characterized by easy transfer. By fixing a fan-shaped support plate that matches the surface curvature of the stator inside the lower beam, the stator can be adequately supported. With the help of a balance lifting ring whose position can be adjusted according to the stator specifications and size, the efficiency of transferring the stator is accelerated.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A hoist for transporting a high-voltage motor stator core with windings, characterized in that, It includes: The crane body (1) includes upper beam (11), lower beam (12), vertical beam (13) connecting the upper beam (11) and the lower beam (12), the lower beam (12) is fixedly installed with fan-shaped bearing plate (15), the surface of the fan-shaped bearing plate (15) is covered with rubber pad (17), the outer surface of the fan-shaped bearing plate (15) forms a curved surface, and the curvature of the curved surface is consistent with the surface curvature inside the stator; Balancing sling ring (2) is installed at any position of the upper beam (11); Positioning pin (3) penetrates the upper beam (11) and the balancing sling ring (2).

2. The hoist according to claim 1, wherein The fan-shaped bearing plate (15) extends from one end of the lower beam (12) to the other end, and the lower surface thereof is fixedly connected with the lower beam (12), and the outer surface thereof extends outward to form a curved surface.

3. The hoist according to claim 2, characterized in that, The lower beam (12) is also provided with reinforcing ribs (16) on both sides, and the reinforcing ribs (16) are welded and fixed on both sides of the lower beam (12), and the top thereof is fixedly connected with the fan-shaped bearing plate (15).

4. The high voltage machine winding stator core transfer hoist of claim 3, wherein, The reinforcing rib (16) is perpendicular to the lower beam (12) and is arranged along the side surface of the lower beam (12).

5. The hoist according to claim 1, wherein, The balancing sling ring (2) includes a sling ring body (21) and a locking portion (22) fixedly connected with the sling ring body (21), the top of the locking portion (22) is fixedly connected with the sling ring body (21), the bottom thereof extends to both sides of the upper beam (11), and the locking portion (22) is provided with a through hole (24) penetrating through the two side surfaces of the locking portion (22).

6. The high voltage machine winding stator core transfer hoist of claim 5 wherein, The vertical beam (13) has a plurality of positioning holes (14) penetrating through the two side surfaces thereof, and the positioning holes (14) correspond to the through holes (24).

7. The high voltage machine barred stator core transfer hanger of claim 6, wherein, The positioning pin (3) penetrates the through hole (24) and the positioning hole (14) in sequence from the outside of the balancing sling ring (2).

8. The high voltage machine winding stator core transfer hoist of claim 1 wherein, The number of the balancing sling ring (2) is a pair, and the pair of balancing sling rings (2) moves along the upper surface of the upper beam (11).

9. The high voltage machine winding stator core transfer hoist of claim 1 wherein, The crane body (1) is fixedly connected with a handle (4), one end of the handle (4) is fixedly connected with the crane body (1), and the other end thereof extends horizontally outward.

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