High-voltage motor stator combined lifting appliance

By designing a high-voltage motor stator assembly lifting device that combines the support body with the slide groove, the problem of coil and connecting rod deformation caused by the swinging of the lifting ring during lifting was solved, thus making the lifting device easier to maintain and reducing replacement costs.

CN223912394UActive Publication Date: 2026-02-13SUZHOU JIADIAN PERMANENT MAGNET MOTOR TECH CO LTD
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Patent Information

Application Number
CN202520459063.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-13
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Traditional stator assembly lifting tools are difficult to control the swing of the lifting rings during transportation, which can easily damage the coils. In addition, the first connecting rod is prone to deformation, resulting in high maintenance costs.

Method used

A high-voltage motor stator assembly lifting device was designed, comprising a lifting body, a support assembly, and a linkage assembly. The support body moves along a slide groove via an upper roller, while the outer plate and its friction plates radially abut against the inner surface of the stator. The upper roller is fixed by pins, and the support body is clamped and connected from inside the stator. The structure is simple and easy to maintain.

Benefits of technology

This design facilitates the maintenance of the lifting device, reduces replacement costs, improves stability during lifting, and prevents coil damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a high-voltage motor stator combined lifting appliance which comprises the following components: a lifting appliance body which comprises a main shaft and a radial plate which is fixedly connected with the main shaft and is provided with a chute; the supporting assembly comprises a supporting body and an upper rolling wheel penetrating through the supporting body and the sliding groove, and the supporting body moves in the radial direction of the sliding groove; the linkage assembly comprises a top disc and a pull rod, the top disc is connected with the main shaft in a sleeving mode, the pull rod is connected with the top disc and the supporting body, and the top disc is locked at any position of the main shaft; the lifting ring is installed on the lifting tool body, drives the top disc to move along the main shaft through external force, pushes the supporting body through the pull rod, moves along the sliding groove through the upper rolling wheel, moves in the radial direction of the outer plate and the friction plate, and abuts against the inner surface of the stator through the outer surface. The upper rolling wheel is fixed through a pin, and the supporting body is connected with the stator in a clamped mode from the interior of the stator. The structure is simple, the upper roller and the pin thereof are easy to replace and convenient to maintain, and the replacement cost is reduced.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of motor transfer, and particularly relates to a high-voltage motor stator assembling hoist. BACKGROUND

[0002] In traditional stator assembling, two lifting rings are fixed on the end face of a stator core with windings, and the stator is transferred by a crane, and the lifting rings are relatively troublesome to install and dismount, the swing during the transfer is not easy to control, and the coils are prone to being scratched during the assembling.

[0003] According to Chinese patent CN208994972U, a stator hoist is disclosed, which comprises a pull rod arranged in a plumb direction, a lifting ring is connected to the top end of the pull rod, a roller core frame is sleeved on the rod body of the pull rod and is in radial expansion and tight cooperation with a stator hole cavity, the roller core frame comprises an expansion piece, a support is sleeved on the rod body of the pull rod and is in sliding cooperation with the rod body of the pull rod, the expansion piece is hingedly connected with the support through a first connecting rod, the shaft core of the hinge shaft is arranged in a horizontal direction, and a locking unit for locking the position of the support is further arranged on the pull rod, but the hoist uses the first connecting rod to support the expansion piece and the rod body, the weight of the stator is usually large, after long-time use, the first connecting rod is subjected to increased force and is prone to deformation, and the hoist is difficult to maintain and has high replacement cost.

[0004] Therefore, it is necessary to develop a high-voltage motor stator assembling hoist to solve the above problems. Content of the utility model

[0005] The utility model aims at providing a high-voltage motor stator assembling hoist which is convenient to maintain.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-voltage motor stator assembling hoist, comprising:

[0007] The hoist body comprises a main shaft, a spoke fixedly connected with the main shaft, and a sliding groove formed in the spoke;

[0008] The support assembly comprises a support body and an upper roller penetrating through the support body and the sliding groove, and the support body moves radially along the sliding groove;

[0009] The linkage assembly comprises a top disc sleeved with the main shaft and a pull rod connected with the top disc and the support body, and the top disc is locked at any position of the main shaft;

[0010] The lifting ring is installed on the hoist body.

[0011] Further, the support body comprises a side plate and an outer plate fixedly connected with the side plate, and the outer surface of the outer plate is formed in a certain arc, which is consistent with the arc shape of the inner surface of the stator.

[0012] Further, the number of the side plates is a pair, which are respectively arranged at the outer sides of the web plates, clamping the web plates, the outer plates are located at the outer sides of the web plates, and the outer sides of the pair of side plates are fixedly connected with the outer plates.

[0013] Further, the outer surface of the outer plate is provided with a friction plate, the friction plate is made of rubber material, and covers the outer surface of the outer plate.

[0014] Further, the upper rollers penetrate through the pair of side plates and the sliding grooves, and three upper rollers are arranged on the support body and are fixed by using pins.

[0015] Further, the support assembly further comprises lower rollers, which are installed at the ends of the support body.

[0016] Further, the web plate is a right-angled trapezoidal plate body, one end of which is fixedly connected with the outer surface of the main shaft and is a vertical surface, and the outer end forms an inclined surface, that is, the width of the top of the web plate is smaller than the width of the bottom.

[0017] Further, the sliding groove is located at the outer side of the web plate, penetrates through the two side surfaces of the web plate, and extends downwardly from the upper side of the web plate.

[0018] Further, the lower side of the lifting ring is provided with a locking piece, the locking piece comprises a connecting shaft and a lock catch installed on the connecting shaft, and the lock catch is in clamped connection or separated from the top disc.

[0019] Further, the lock catch is recessed inwardly from the surface to form a groove, and a clamping rod is installed on the top disc, and the clamping rod enters or exits the groove.

[0020] Compared with the prior art, the high-voltage motor stator combined lifting device has the characteristics of convenient maintenance, the top disc is driven to move along the main shaft by external force, the support body is pushed by the top disc through the pull rod, the support body moves along the sliding groove through the upper rollers, the outer plate and the friction plate move radially, the outer surface of the outer plate abuts against the inner surface of the stator, the upper rollers are fixed by using pins, the support body is clamped and connected with the stator from the inside of the stator, the structure is simple, the upper rollers and the pins are easy to replace, maintenance is convenient, and the replacement cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained from these drawings without creating labor, wherein:

[0022] Figure 1The utility model discloses a high -voltage motor stator combined assembly lifting appliance's three -dimensional structure schematic diagram;

[0023] Figure 2 For Figure 1 The utility model discloses a high -voltage motor stator combined assembly lifting appliance's side view as shown in the figure.

[0024] Figure 3 For Figure 1 The utility model discloses a high -voltage motor stator combined assembly lifting appliance's side view as shown in the figure.

[0025] In the drawing: 1, the body of lifting; 2, support assembly; 3, linkage assembly; 11, main shaft; 12, web; 13, reinforcing plate; 14, sliding slot; 21, support body; 22, upper roller; 211, side plate; 212, outer plate; 213, friction plate; 23, lower roller; 31, top disc; 32, pull rod; 33, rotating shaft; 34, clamping rod; 4, lifting ring; 41, connecting block; 42, ring body; 5, locking piece; 51, connecting shaft; 52, lock catch; 53, recess. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of the utility model protection.

[0027] Please see Figures 1 to 3 The utility model discloses a high -voltage motor stator combined assembly lifting appliance, which comprises a body of lifting 1, a support assembly 2 installed on the outer side of the body of lifting 1 and a linkage assembly 3 connecting the body of lifting 1 and the support assembly 2.

[0028] Please see Figures 1 to 2 The body of lifting 1 comprises a main shaft 11, a plurality of webs 12 fixedly connected with the main shaft 11, the number of webs 12 can be changed according to requirements, in the embodiment, the number of webs 12 is three, the inner end of the three webs 12 is fixedly connected with the outer surface of the main shaft 11, and the outer end extends radially outward, the distance between the three webs 12 is the same, and a reinforcing plate 13 is arranged between the three webs 12, the reinforcing plate 13 is fixedly connected with the main shaft 11 and the web 12, so that the strength is improved, specifically, the web 12 is a right trapezoidal plate body, the end fixedly connected with the outer surface of the main shaft 11 is a vertical surface, and the outer end forms an inclined surface, that is, the width of the top of the web 12 is less than the width of the bottom of the web 12. The sliding slot 14 is arranged on the web 12, the sliding slot 14 is located on the outer side of the web 12 and penetrates through the two side surfaces of the web 12, and extends downward along the outer side of the web 12 from the upper side of the web 12.

[0029] Please see Figures 1 to 2The support assembly 2 comprises a support body 21, and upper rollers 22 connecting the support body 21 and the hanging body 1. The support body 21 comprises side plates 211 and outer plates 212 fixedly connected with the side plates 211. The side plates 211 are in the form of a pair of plates and are arranged on the outer sides of the spoke plates 12 to clamp the spoke plates 12. The outer plates 212 are arranged on the outer sides of the spoke plates 12. The outer sides of the pair of side plates 211 are fixedly connected with the outer plates 212 along the spoke plates 12. The outer surfaces of the outer plates 212 are formed in a certain curvature, which is consistent with the curvature of the inner surface of the stator. Reinforcing plates 13 are arranged at the connecting positions of the side plates 211 and the outer plates 212.

[0030] The outer surfaces of the outer plates 212 are provided with friction plates 213 made of rubber and covering the outer surfaces of the outer plates 212. The outer surfaces of the friction plates 213 are formed in the same curvature as the outer surfaces of the outer plates 212.

[0031] The upper rollers 22 penetrate the pair of side plates 211 and the sliding grooves 14. The support body 21 is connected with the spoke plates 12 through the upper rollers 22 and moves along the sliding grooves 14. Specifically, three upper rollers 22 are arranged on each support body 21 and are fixed by using pins.

[0032] Please refer to Figures 1 to 2 The support assembly 2 further comprises lower rollers 23. The lower ends of the side plates 211 are continuously extended downward. The lower rollers 23 are arranged at the lower ends of the side plates 211. The lower rollers 23 are made of nylon and are used for supporting the hanging body 1 to prevent the hanging body 1 from being scratched by the ground.

[0033] Please refer to Figures 1 to 2 The linkage assembly 3 comprises a top disc 31 and pull rods 32 connected with the top disc 31. The top disc 31 is sleeved with the main shaft 11 and has a center which is on the same axis as the main shaft 11. The top disc 31 slides along the main shaft 11 and is locked at a certain position of the main shaft 11 according to requirements. Specifically, the main shaft 11 and the top disc 31 are provided with positioning holes (not shown in the drawings). The main shaft 11 and the top disc 31 are locked by using positioning pins. A rotating shaft 33 is arranged between the lower surface of the top disc 31 and the pair of side plates 211. One end of the pull rod 32 is connected with the rotating shaft 33 on the lower surface of the top disc 31. The other end of the pull rod 32 is connected with the rotating shaft 33 between the pair of side plates 211. The two ends of the pull rod 32 can rotate around the rotating shaft 33.

[0034] Please refer to Figures 1 to 3 The hanging body 1 is provided with a lifting ring 4 and a locking member 5 at the top. The lifting ring 4 comprises a connecting block 41 and a ring body 42 fixedly connected with the connecting block 41. The connecting block 41 is fixedly connected with the top end of the main shaft 11. The lifting ring 4 is connected with other carrying equipment through the ring body 42.

[0035] The locking piece 5 comprises a connecting shaft 51, a lock catch 52 mounted on the connecting shaft 51, and the connecting shaft 51 is fixedly connected with the main shaft 11, and the other end of the connecting shaft 51 extends outward and is connected with one end of the lock catch 52, and the one end of the lock catch 52 moves around the connecting shaft 51 as the center, and the other end of the lock catch 52 is provided with a groove 53, and the groove 53 is formed by being recessed inward from the surface of the lock catch 52, and the top disc 31 is provided with a clamping rod 34, and one end of the clamping rod 34 is fixedly connected with the top disc 31, and the other end of the clamping rod 34 extends outward, and when the one end of the lock catch 52 moves around the connecting shaft 51 as the center, the clamping rod 34 enters or exits the groove 53, and space is saved.

[0036] The utility model discloses a kind of high-voltage motor stator combined hoist, it is placed in stator interior, and top disc 31 is moved along main shaft 11 by external force driving, and top disc 31 is pushed support body 21 by pull rod 32, and support body 21 is moved along sliding groove 14 by upper roller 22, and outer plate 212 and its friction plate 213 move radially, and its outer surface is resisted stator inner surface, and pin is used to fix upper roller 22, and support body 21 is connected with stator clamping from stator interior, and then other handling equipment is used to be lifted by lifting ring 4, after moving in position, pin is loosened, and top disc 31 is moved along main shaft 11 by external force driving, and support body 21 loses with stator and is resisted.

[0037] The utility model discloses a kind of high-voltage motor stator combined hoist, with the characteristics of being easy to maintain, and top disc is moved along main shaft by external force driving, and top disc is pushed support body by pull rod, and support body is moved along sliding groove by upper roller, and outer plate and its friction plate move radially, and its outer surface is resisted stator inner surface, and pin is used to fix upper roller, and support body is connected with stator clamping from stator interior, the structure is simple, and upper roller and its pin are easy to replace, it is easy to maintain, and replacement cost is reduced.

[0038] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A high-voltage motor stator assembling hoist, characterized in that, It includes: The crane body (1) includes a main shaft (11), a spoke (12) fixedly connected with the main shaft (11), and a sliding groove (14) formed in the spoke (12); The support assembly (2) includes a support body (21), an upper roller (22) penetrating through the support body (21) and the sliding groove (14), and the support body (21) moves radially along the sliding groove (14); The linkage assembly (3) includes a top disc (31) sleeved with the main shaft (11), and a pull rod (32) connecting the top disc (31) and the support body (21), and the top disc (31) is locked at any position of the main shaft (11); The lifting ring (4) is installed on the crane body (1).

2. The high voltage machine stator assembly hoist of claim 1, wherein, The support body (21) includes a side plate (211) and an outer plate (212) fixedly connected with the side plate (211), and an outer surface of the outer plate (212) forms a certain curvature which matches the curvature of an inner surface of the stator.

3. The high voltage machine stator assembly hoist of claim 2, wherein, The number of the side plates (211) is a pair, which are respectively arranged outside the spoke (12) and clamp the spoke (12), and the outer plate (212) is located outside the spoke (12), and the outer sides of the pair of side plates (211) are fixedly connected with the outer plate (212).

4. The high voltage machine stator assembly hoist of claim 2, wherein, An outer surface of the outer plate (212) is provided with a friction plate (213) made of rubber and covering the outer surface of the outer plate (212).

5. The high voltage machine stator assembly hoist of claim 3, wherein, The upper roller (22) penetrates through the pair of side plates (211) and the sliding groove (14), and three upper rollers (22) are arranged on the support body (21) and fixed by a pin.

6. The high voltage machine stator assembly hoist of claim 1, wherein, The support assembly (2) further includes a lower roller (23) installed at an end of the support body (21).

7. The high voltage machine stator assembly hoist of claim 1, wherein, The spoke (12) is a right-angled trapezoidal plate body, one end of which is fixedly connected with an outer surface of the main shaft (11) and is a vertical surface, and an outer end thereof forms an inclined surface, that is, a top width of the spoke (12) is smaller than a bottom width thereof.

8. The high voltage machine stator assembly hoist of claim 7, wherein, The sliding groove (14) is located outside the spoke (12), penetrates through both side surfaces of the spoke (12), and extends downward from above the spoke (12).

9. The high voltage machine stator assembly hoist of claim 1, wherein, A lower portion of the lifting ring (4) is provided with a locking member (5), the locking member (5) includes a connecting shaft (51) and a lock catch (52) installed on the connecting shaft (51), and the lock catch (52) is in engagement or disengagement with the top disc (31).

10. The high voltage machine stator assembly hoist of claim 9, wherein, The lock catch (52) is recessed inward from a surface to form a groove (53), a clamping rod (34) is installed on the top disc (31), and the clamping rod (34) enters or exits the groove (53).

Citation Information

Patent Citations

  • Stator lifting appliance

    CN208994972U