Dismounting support for motor rotor bearing
By designing a disassembly bracket for motor rotor bearings, the operation inconvenience and rotor wear caused by the lack of special brackets in motor maintenance is solved, and standardized disassembly and efficient maintenance of different models of motors are achieved.
Patent Information
- Application Number
- CN202421839963.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-31
AI Technical Summary
During the motor maintenance process, the motor rotor lacks a special bracket after being disassembled, resulting in inconvenient operation and severe wear of the rotor, which in turn causes problems such as difficulty in starting the motor, heating and increased vibration.
A disassembly bracket for motor rotor bearing is designed, including a slide table, a slider, a lead screw, a slide rod, a first bracket and a second bracket. By adjusting the distance between the first bracket and the second bracket, the disassembly requirements of different types of motor rotors are achieved.
The disassembly bracket meets the requirements of motor bearings disassembly with different sizes on site, realizes safe and efficient preventive maintenance and maintenance of motors, and avoids wear and tear of the motor rotor during disassembly.
Smart Images
Figure CN222928244U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to the replacement of motor bearings, and particularly relates to a disassembly bracket for a motor rotor bearing. Background Art
[0002] In areas where equipment maintenance and inspection basically rely on independent operation and maintenance, it has been found in the long-term maintenance process of electrical professional motors that during the process of replacing the bearings of the motor, there is no special bracket after the motor rotor is disassembled, which is not only unfavorable for operation, but also may cause rotor wear and even bar breakage, resulting in a series of problems such as difficult starting of the motor, increased heat and vibration of the motor during operation, reduced load-carrying capacity of the motor, and decreased speed. Summary of the Utility Model
[0003] The utility model provides a disassembly bracket for a motor rotor bearing to solve one or several of the technical problems existing in the prior art.
[0004] The technical solution for the utility model to solve the above technical problems is as follows: A disassembly bracket for a motor rotor bearing includes a sliding table, a sliding block, a lead screw, a sliding rod, a first bracket and a second bracket. The sliding table is of a long strip structure. The two ends of the lead screw are respectively rotatably connected to the two ends of the sliding table. The two ends of the sliding rod are respectively fixedly connected to the two ends of the sliding table. The sliding rod is arranged parallel to the lead screw. The first bracket is vertically fixed at one end of the sliding table. The sliding block is threadedly connected to the lead screw. The sliding block is sleeved on the sliding rod and is in sliding fit with the sliding rod. The second bracket is vertically fixed on the sliding block. The first bracket and the second bracket are arranged parallel and opposite to each other. A first groove for accommodating the motor shaft is formed at the top of the first bracket. A second groove for accommodating the motor shaft is formed at the top of the second bracket.
[0005] The beneficial effect of the utility model is that: For the disassembly bracket for a motor rotor bearing of the utility model, by adjusting the distance between the first bracket and the second bracket, the disassembly requirements of motor rotors of different models can be realized, meeting the standardized operation of bearing disassembly on site, realizing safe and efficient preventive maintenance of the motor, and meeting the requirements of bearing disassembly of motors of different sizes on site.
[0006] On the basis of the above technical solution, the utility model can be further improved as follows.
[0007] Further, the central axis of the first groove coincides with the central axis of the second groove, and both are arranged parallel to the sliding table.
[0008] Further, both the first groove and the second groove are arc-shaped grooves.
[0009] The beneficial effect of adopting the above further solution is that: It can realize the support and lifting of the motor bearing.
[0010] Furthermore, rubber pads are provided in both the first groove and the second groove.
[0011] The beneficial effect of adopting the above further solution is that it can play a buffering and protective role for the motor bearing and avoid damaging the motor bearing.
[0012] Furthermore, a first arc-shaped support plate is provided in the first groove. The radian of the first arc-shaped support plate is the same as that of the first groove, the length of the first arc-shaped support plate is the same as that of the first groove, and the width of the first arc-shaped support plate is greater than the thickness of the first bracket.
[0013] The beneficial effect of adopting the above further solution is that by providing the first arc-shaped support plate, a larger area of the motor bearing can be supported, and the support effect is good.
[0014] Furthermore, a second arc-shaped support plate is provided in the second groove. The radian of the second arc-shaped support plate is the same as that of the second groove, the length of the second arc-shaped support plate is the same as that of the second groove, and the width of the second arc-shaped support plate is greater than the thickness of the second bracket.
[0015] The beneficial effect of adopting the above further solution is that by providing the second arc-shaped support plate, a larger area of the motor bearing can be supported, and the support effect is good.
[0016] Furthermore, a first handle is provided on the outer side of the first bracket, and a second handle is provided on the outer side of the second bracket.
[0017] The beneficial effect of adopting the above further solution is that by providing the first handle and the second handle, it is convenient to pick up and place the disassembly bracket for the entire motor rotor bearing.
[0018] Furthermore, a handwheel is provided at the other end of the sliding table, and the end of the lead screw passes through the other end of the sliding table and is fixedly connected to the handwheel.
[0019] Furthermore, a locking block is provided on the part of the lead screw between the handwheel and the end face of the other end of the sliding table. The lead screw passes through the locking block movably. A jackscrew is provided on the locking block. The jackscrew is threadedly connected to the locking block and can abut against the lead screw.
[0020] The beneficial effect of adopting the above further solution is that by providing the locking block and the jackscrew, when the second bracket slides in place, the lead screw can be locked by the jackscrew, and stable support for the motor bearing can be achieved.
[0021] Furthermore, a circle of scales is provided on the outer surface of the handwheel, and a pointer is provided on the locking block. The pointer abuts against the outer surface of the handwheel.
[0022] The beneficial effects of adopting the above further solution are: by setting a pointer, it is convenient to know the rotation angle of the handwheel. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 FIG. 6 is a front view structural schematic diagram of the disassembly bracket for the motor rotor bearing of the present utility model;
[0024] Figure 2 FIG. 10 is a top view structural schematic diagram of the disassembly bracket for the motor rotor bearing of the present utility model;
[0025] Figure 3 FIG. 14 is a side view structural schematic diagram of the disassembly bracket for the motor rotor bearing of the present utility model.
[0026] In the drawings, the list of components represented by each reference numeral is as follows:
[0027] 1. Slide table; 2. Slide block; 3. Lead screw; 4. Slide rod; 5. First bracket; 6. Second bracket; 7. First arc-shaped support plate; 8. Second arc-shaped support plate; 9. Rubber pad; 10. First handle; 11. Second handle; 12. Handwheel; 13. Locking block; 14. Pointer; 15. Set screw. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0028] The principles and features of the present utility model will be described below with reference to the accompanying drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.
[0029] As Figures 1 to 3 shown, a disassembly bracket for a motor rotor bearing in this embodiment includes a slide table 1, a slide block 2, a lead screw 3, a slide rod 4, a first bracket 5 and a second bracket 6. The slide table 1 is of a long strip structure. The two ends of the lead screw 3 are respectively rotatably connected to the two ends of the slide table 1. The two ends of the slide rod 4 are respectively fixedly connected to the two ends of the slide table 1. The slide rod 4 is arranged parallel to the lead screw 3. The first bracket 5 is vertically fixed at one end of the slide table 1. The slide block 2 is threadedly connected to the lead screw 3. The slide block 2 is sleeved on the slide rod 4 and is in sliding fit with the slide rod 4. The second bracket 6 is vertically fixed on the slide block 2. The first bracket 5 and the second bracket 6 are arranged parallel and opposite to each other. A first groove for accommodating the motor shaft is formed at the top of the first bracket 5. A second groove for accommodating the motor shaft is formed at the top of the second bracket 6.
[0030] Specifically, the first bracket 5 can be welded to the slide table 1, and the second bracket 6 can be welded to the slide block 2.
[0031] As Figure 1 and Figure 3 shown, the central axis of the first groove in this embodiment coincides with the central axis of the second groove, and both are arranged parallel to the slide table.
[0032] As Figures 1 to 3 shown, the first groove and the second groove in this embodiment are both arc-shaped grooves, which can support and lift the motor bearing.
[0033] As Figure 2 shown, rubber pads 9 are provided in both the first groove and the second groove of this embodiment. It can play a buffering and protective role for the motor bearing to avoid damaging the motor bearing.
[0034] As Figures 1 to 3 shown, a first arc-shaped support plate 7 is provided in the first groove of this embodiment. The radian of the first arc-shaped support plate 7 is the same as that of the first groove, the length of the first arc-shaped support plate 7 is the same as that of the first groove, and the width of the first arc-shaped support plate 7 is greater than the thickness of the first bracket 5. By providing the first arc-shaped support plate, a larger area of the motor bearing can be supported, and the support effect is good. The first arc-shaped support plate 7 can also be welded in the first groove and is adapted to the shape and structure of the first groove.
[0035] As Figures 1 to 3 shown, a second arc-shaped support plate 8 is provided in the second groove of this embodiment. The radian of the second arc-shaped support plate 8 is the same as that of the second groove, the length of the second arc-shaped support plate 8 is the same as that of the second groove, and the width of the second arc-shaped support plate 8 is greater than the thickness of the second bracket 6. By providing the second arc-shaped support plate, a larger area of the motor bearing can be supported, and the support effect is good. The second arc-shaped support plate 8 can also be welded in the second groove and is adapted to the shape and structure of the second groove.
[0036] As Figures 1 to 3 shown, a first handle 10 is provided on the outer side of the first bracket 5 of this embodiment, and a second handle 11 is provided on the outer side of the second bracket 6. By providing the first handle and the second handle, it is convenient to pick up and place the disassembly bracket for the entire motor rotor bearing.
[0037] As Figure 1 and Figure 2 shown, there are two slide bars 4 in this embodiment, and the two slide bars 4 are respectively arranged on both sides of the lead screw 3.
[0038] As Figures 1 to 3 shown, a hand wheel 12 is provided at the other end of the slide table 1 of this embodiment, and the end of the lead screw 3 passes through the other end of the slide table 1 and is fixedly connected to the hand wheel 12.
[0039] As Figures 1 to 3As shown in the figure, a locking block 13 is provided on the part of the lead screw 3 of this embodiment between the hand wheel 12 and the other end face of the sliding table 1. The lead screw 3 movably passes through the locking block 13. A setscrew 15 is provided on the locking block 13. The setscrew 15 is threadedly connected to the locking block 13 and can abut against the lead screw 3. The setscrew 15 is preferably arranged perpendicular to the lead screw 3. By providing the locking block and the setscrew, when the second bracket slides in place, the lead screw can be locked by the setscrew, and stable support for the motor bearing can be achieved.
[0040] As Figure 1 shown in the figure, a scale is provided on the outer surface of the hand wheel 12 of this embodiment. A pointer 14 is provided on the locking block 13. The pointer 14 abuts against the outer surface of the hand wheel 12. By providing the pointer, it is convenient to know the rotation angle of the hand wheel.
[0041] Among them, the sliding table 1 of this embodiment adopts a rectangular structure and can be made of channel steel or steel plate. Support plates are provided above both ends of the sliding table 1. The two ends of the lead screw 3 can be respectively rotatably connected to the support plates. Specifically, one end of the lead screw 3 can pass through a support plate and be connected to the hand wheel 12. Both the first bracket 5 and the second bracket 6 are supported by rectangular steel plates, and the first bracket 5 and the second bracket 6 can be arranged vertically.
[0042] For the disassembly bracket of the motor rotor bearing in this embodiment, by adjusting the distance between the first bracket and the second bracket, the disassembly requirements of motor rotors of different models can be realized, meeting the standardized operation of on-site bearing disassembly, achieving safe and efficient preventive maintenance of the motor, and meeting the requirements of on-site bearing disassembly for motors of different sizes. Compared with the traditional method, this disassembly bracket is convenient for maintenance personnel to operate, effectively avoiding secondary damage to the motor rotor caused by friction when the bearing is disassembled and the motor rotor contacts the ground, and achieving good results. This bracket has a simple structure, is easy to use, and has the characteristics of being popularizable and replicable. This bracket can support a rotor weight of not less than 100 kg, ensure that the length of the motor rotor is adjustable within 1 meter, and at least meet the disassembly work of all motor rotor bearings below 37 KW.
[0043] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.
[0044] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0045] In the present utility model, unless otherwise clearly defined and limited, terms such as "installed", "connected", "joined", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model may be understood according to specific circumstances.
[0046] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.
[0047] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.
[0048] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.
Claims
1. A disassembly bracket for a motor rotor bearing, characterized in that: It includes a slide, a slider, a lead screw, a slide rod, a first bracket and a second bracket, the slide is a long strip structure, the two ends of the lead screw are rotatably connected to the two ends of the slide respectively, the two ends of the slide rod are fixedly connected to the two ends of the slide respectively, and the slide rod is arranged in parallel with the lead screw; the first bracket is vertically fixed to one end of the slide, the slider is threadedly connected to the lead screw, the slider is inserted into the slide rod and slidably cooperates with the slide rod, and the second bracket is vertically fixed to the slider; the first bracket and the second bracket are arranged parallel to each other, the top of the first bracket is formed with a first groove for accommodating a motor shaft, and the top of the second bracket is formed with a second groove for accommodating a motor shaft.
2. A disassembly bracket for a motor rotor bearing according to claim 1, characterized in that: The central axis of the first groove coincides with the central axis of the second groove, and both are arranged parallel to the slide table.
3. The motor rotor bearing disassembly bracket according to claim 1, characterized in that: The first groove and the second groove are both arc-shaped grooves.
4. The motor rotor bearing disassembly bracket according to claim 1, characterized in that: Rubber pads are arranged in the first groove and the second groove.
5. The motor rotor bearing disassembly bracket according to claim 1, characterized in that: A first arc-shaped support plate is provided in the first groove, the curvature of the first arc-shaped support plate is the same as that of the first groove, the length of the first arc-shaped support plate is the same as that of the first groove, and the width of the first arc-shaped support plate is greater than the thickness of the first bracket.
6. The motor rotor bearing disassembly bracket according to claim 1, characterized in that: A second arc-shaped support plate is provided in the second groove, the curvature of the second arc-shaped support plate is the same as that of the second groove, the length of the second arc-shaped support plate is the same as that of the second groove, and the width of the second arc-shaped support plate is greater than the thickness of the second bracket.
7. The motor rotor bearing disassembly bracket according to claim 1, characterized in that: A first handle is disposed on the outer side of the first bracket, and a second handle is disposed on the outer side of the second bracket.
8. The motor rotor bearing disassembly bracket according to claim 1, characterized in that: A hand wheel is arranged at the other end of the slide, and the end of the lead screw passes through the other end of the slide and is fixedly connected with the hand wheel.
9. A disassembly bracket for a motor rotor bearing according to claim 8, characterized in that: A locking block is provided on the part of the lead screw between the hand wheel and the other end surface of the slide, the lead screw movably passes through the locking block, and a top screw is provided on the locking block, the top screw is threadedly connected to the locking block and can abut on the lead screw.
10. A disassembly bracket for a motor rotor bearing according to claim 9, characterized in that: A circle of scales is arranged on the outer surface of the hand wheel, and a pointer is arranged on the locking block, and the pointer abuts against the outer surface of the hand wheel.