Generator production and maintenance device

Abstract

The utility model provides a generator production and maintenance device, which belongs to the technical field of generator production and comprises a generator maintenance assembly, and the generator maintenance assembly comprises a maintenance workbench and a maintenance platen fixed on the top surface of the maintenance workbench. An inverted U-shaped movable support is slidably mounted above the maintenance platen and located on the top face of the maintenance workbench, a hydraulic lifting column is slidably connected to the inner top wall of the U-shaped movable support, a welding head is arranged at the bottom end of the hydraulic lifting column, and a generator body to be maintained is mounted on the top face of the maintenance platen. A rotor positioning, dismounting and mounting assembly is arranged on one side of the U-shaped movable support and comprises a supporting frame assembly which is connected with the U-shaped movable support and moves along with movement of the U-shaped movable support and a dismounting and mounting grabbing disc which is connected to the supporting frame assembly in a lifting mode, and the rotor positioning, dismounting and mounting assembly is provided with a plurality of grabbing insertion rods; the positioning and dismounting of the generator rotor can be completed more quickly, and the problems of inaccurate positioning and the like caused by human factors are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of generator production, and particularly relates to a generator production and maintenance device. Background Art

[0002] Generators are an indispensable source of power in industrial production and daily life, so their maintenance and repair are crucial. During generator repair, especially when it comes to disassembly and assembly of the generator rotor, traditional methods have the following shortcomings:

[0003] The existing generator rotor disassembly and installation usually requires manual operation, which is not only time-consuming and labor-intensive, but also prone to errors in the traditional manual positioning method, causing the generator rotor to be offset or misaligned during the installation process. Due to the lack of precise positioning, installation and resetting tools, it is easy to cause misalignment and collision during the resetting and installation of the generator rotor, reducing maintenance efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a generator production and maintenance device, aiming to solve the problem of deviation or misalignment of the generator rotor during the installation process in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a generator production and maintenance device, including a generator maintenance assembly, the generator maintenance assembly including a maintenance workbench and a maintenance table fixed on the top surface of the maintenance workbench, an inverted U-shaped movable bracket is slidably installed above the maintenance table and on the top surface of the maintenance workbench, the inner top wall of the U-shaped movable bracket is slidably connected to a hydraulic lifting column, and a welding head is provided at the bottom end of the hydraulic lifting column, the top surface of the maintenance table is installed with a generator body to be repaired, a rotor positioning and disassembly component is provided on one side of the U-shaped movable bracket, The rotor positioning and disassembly assembly includes a support frame assembly connected to the U-shaped movable bracket and moving with the movement of the U-shaped movable bracket, and a disassembly and disassembly grabbing plate connected to the support frame assembly by a lift. A plurality of grabbing rods are provided inside the disassembly and disassembly grabbing plate, and grabbing sockets adapted to be plugged into the grabbing rods are provided on the outer wall of the generator rotor inside the generator body. The U-shaped movable bracket drives the support frame assembly to move close to the generator rotor inside the generator body, and the disassembly and disassembly grabbing plate is adapted to grab the generator rotor and then resets to grab, position and disassemble the generator rotor through the return stroke of the U-shaped movable bracket.

[0006] In order to make this generator production and maintenance device work, as a preferred embodiment of the present invention, the support frame assembly includes a U-shaped movable beam welded to the inner wall of the U-shaped movable bracket, support columns symmetrically welded to the bottom surface of the free end of the U-shaped movable beam, and auxiliary running wheels mounted on the bottom surface of the support columns. The auxiliary running wheels are located on both sides of the maintenance platform and are in rolling friction contact with the top surface of the maintenance workbench. When the U-shaped movable bracket moves, the support columns and the U-shaped movable beam move with the assistance of the auxiliary running wheels.

[0007] In order to make this generator production and maintenance device a preferred embodiment of the present invention, a supporting cross plate is welded at the lower part between the two supporting columns, a cylinder component is installed on the top surface of the U-shaped movable beam, and the piston rod of the cylinder component longitudinally passes through the U-shaped movable beam and is fixedly connected to a lifting mounting plate.

[0008] In order to facilitate the production and maintenance of the generator, as a preferred embodiment of the present invention, two positioning uprights are longitudinally symmetrically welded between the support cross plate and the U-shaped movable beam, and longitudinally penetrate the lifting mounting plate. When the oil cylinder drives the lifting mounting plate longitudinally up and down via the piston rod, the lifting mounting plate is positioned and lifted on the two positioning uprights.

[0009] To facilitate the production and maintenance of this generator, as a preferred embodiment of the present invention, a connecting flange is detachably connected to the back of the detachable grabbing plate via bolts. A connecting shaft is welded to the back of the connecting flange, and the free end of the connecting shaft is welded to the inner wall of the lifting mounting plate. By detaching the connecting flange from the detachable grabbing plate, the detachable grabbing plate can be removed and replaced with a different model and specification, thereby meeting the needs of grabbing generator rotors of different models and specifications.

[0010] In order to make this generator production and maintenance device, as a preferred embodiment of the present invention, first electric guide rails are symmetrically installed on both sides of the maintenance platform and on the top surface of the maintenance workbench, and the top surface of each first electric guide rail is adapted to be slidably connected with a first slider support, and the inverted U-shaped movable bracket is welded to the two first slider supports.

[0011] To facilitate the production and maintenance of this generator, as a preferred embodiment of the present invention, a second electric guide rail is mounted on the inner top wall of the U-shaped movable bracket. A second slider support is slidably connected to the bottom surface of the second electric guide rail, and the hydraulic lifting column is fixedly mounted on the bottom surface of the second slider support. A detachable maintenance processing head for supporting and mounting the welding head is detachably mounted to the bottom end of the hydraulic lifting column via bolts. By removing and replacing the detachable maintenance processing head, the processing tools required for maintenance and processing can be replaced.

[0012] In order to make this generator production and maintenance device, as a preferred embodiment of the present invention, a circular groove is opened in the middle of the top surface of the maintenance platform, and a rotating motor is embedded in the bottom wall of the circular groove;

[0013] The output shaft of the rotating electrical machine is connected to a rotating maintenance disk adapted to fit in the circular groove, and the generator body is fixedly mounted on the top surface of the rotating maintenance disk.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The generator production and maintenance device, through the disassembly and assembly grabbing plate in the rotor positioning and disassembly assembly assembly cooperates with the grabbing socket on the generator rotor, can realize the precise positioning and disassembly of the generator rotor, and drives the support frame assembly to move close to the generator rotor inside the generator body through the U-shaped movable bracket, and grabs the generator rotor through the disassembly and assembly grabbing plate, thereby reducing the complexity of manual operation. Compared with the existing technology, this technical solution can complete the positioning and disassembly of the generator rotor more quickly through the movement of the U-shaped movable bracket and the coordinated use of the disassembly and assembly grabbing plate, thereby improving work efficiency, and through the precise positioning and disassembly mechanism, it reduces problems such as inaccurate positioning caused by human factors, thereby improving the accuracy and reliability of maintenance.

[0016] 2. The generator production and maintenance device realizes the automatic movement and lifting of the U-shaped mobile bracket and the disassembly and assembly grabbing plate through the linkage of the first electric guide rail, the second electric guide rail and the cylinder part, which greatly improves work efficiency. The rotation function of the rotary maintenance plate allows convenient maintenance operations from different angles, reducing the time required for repositioning. The detachable maintenance processing head can be replaced with different processing heads according to different maintenance needs, increasing the flexibility and applicability of the system. The connection method of the connecting flange and the connecting shaft allows easy replacement of disassembly and assembly grabbing plates of different models and specifications to accommodate generator rotors of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the first electric guide rail in the present utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the generator body in the present utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure of the U-shaped movable beam in the present invention;

[0022] Figure 5 It is a schematic diagram of the connection structure of the disassembly and assembly grabbing plate in the utility model.

[0023] In the figure: 1. Generator maintenance assembly; 2. Maintenance workbench; 3. U-shaped mobile bracket; 4. Hydraulic lifting column; 5. Welding head; 6. Generator body; 7. U-shaped moving beam; 8. Rotor positioning and disassembly assembly component; 9. First electric guide rail; 10. First slider support; 11. Maintenance table; 12. Rotating maintenance plate; 13. Second electric guide rail; 14. Second slider support; 15. Removable maintenance processing head; 16. Support column; 17. Auxiliary walking wheel; 18. Support cross plate; 19. Positioning upright member; 20. Lifting installation plate; 21. Cylinder member; 22. Piston rod; 23. Disassembly and assembly grabbing plate; 24. Generator rotor; 25. Grabbing socket; 26. Connecting shaft; 27. Connecting flange; 28. Grabbing plug rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0025] See also Figure 1-Figure 5The utility model provides the following technical solutions: a generator production and maintenance device, including a generator maintenance assembly 1, the generator maintenance assembly 1 includes a maintenance workbench 2 and a maintenance table 11 fixed to the top surface of the maintenance workbench 2, an inverted U-shaped mobile bracket 3 is slidably installed above the maintenance table 11 and on the top surface of the maintenance workbench 2, the inner top wall of the U-shaped mobile bracket 3 is slidably connected to a hydraulic lifting column 4, and a welding head 5 is provided at the bottom end of the hydraulic lifting column 4, the top surface of the generator body 6 to be repaired is installed on the top surface of the maintenance table 11, and a rotor positioning and disassembly component 8 is provided on one side of the U-shaped mobile bracket 3. The assembly 8 includes a support frame assembly connected to the U-shaped movable bracket 3 and moving with the movement of the U-shaped movable bracket 3, and a disassembly and assembly grabbing plate 23 that is lifted and connected to the support frame assembly. A plurality of grabbing rods 28 are arranged inside the disassembly and assembly grabbing plate 23, and a grabbing socket 25 that is adapted to be plugged into the grabbing rods 28 is arranged on the outer wall of the generator rotor 24 inside the generator body 6. The U-shaped movable bracket 3 drives the support frame assembly to move close to the generator rotor 24 inside the generator body 6. After the disassembly and assembly grabbing plate 23 is adapted to grab the generator rotor 24, the generator rotor 24 is reset and positioned for disassembly and assembly through the return stroke of the U-shaped movable bracket 3.

[0026] Specifically, the U-shaped mobile bracket 3 is used to support and guide the movement of other components, such as the hydraulic lifting column 4, to ensure the smooth operation of the entire system. The hydraulic lifting column 4 is used to adjust the height of the welding head 5 to enable welding operations on different parts of the generator. The rotor positioning and disassembly assembly 8 is a key component used to locate and disassemble the generator rotor 24, and includes a disassembly and assembly grabbing plate 23 and related lifting and moving structures. The disassembly and assembly grabbing plate 23 is used to grab the generator rotor 24, enabling rapid positioning and disassembly of the generator rotor 24. The grabbing rod 28 cooperates with the grabbing socket 25 on the generator rotor 24 to enable rapid positioning and disassembly of the generator rotor 24.

[0027] In this embodiment, the support frame assembly includes a U-shaped movable beam 7 welded to the inner wall of the U-shaped movable bracket 3, support columns 16 symmetrically welded to the bottom surface of the free end of the U-shaped movable beam 7, and auxiliary running wheels 17 mounted on the bottom surface of the support columns 16. The auxiliary running wheels 17 are located on both sides of the maintenance platform 11 and are in rolling friction contact with the top surface of the maintenance workbench 2. When the U-shaped movable bracket 3 moves, the support columns 16 and U-shaped movable beam 7 move with it, assisted by the auxiliary running wheels 17.

[0028] Specifically, the U-shaped movable beam 7 is a part of the support frame assembly, used to connect the support column 16 and the auxiliary walking wheel 17, and ensure that they work in coordination with the U-shaped movable bracket 3.

[0029] In this embodiment: a supporting cross plate 18 is welded at the lower part between the two supporting columns 16, and a cylinder component 21 is installed on the top surface of the U-shaped moving beam 7. The piston rod 22 of the cylinder component 21 longitudinally penetrates the U-shaped moving beam 7 and is fixedly connected to the lifting installation plate 20.

[0030] Specifically, the supporting transverse plate 18 is used to connect the supporting columns 16 to increase the overall stability of the supporting structure, and is also used to position and install the lifting installation plate 20.

[0031] In this embodiment, two positioning uprights 19 are longitudinally symmetrically welded between the supporting cross plate 18 and the U-shaped movable beam 7, and longitudinally penetrate the lifting mounting plate 20. When the oil cylinder 21 drives the lifting mounting plate 20 longitudinally up and down via the piston rod 22, the lifting mounting plate 20 is positioned and raised on the two positioning uprights 19.

[0032] Specifically, the oil cylinder 21 realizes the vertical movement of the lifting and mounting plate 20 by controlling the extension and contraction of the piston rod 22 .

[0033] In this embodiment, a connecting flange 27 is removably bolted to the back of the detachable grabbing plate 23. A connecting shaft 26 is welded to the back of the connecting flange 27. The free end of the connecting shaft 26 is welded to the inner wall of the lifting mounting plate 20. By detaching the connecting flange 27 from the detachable grabbing plate 23, the detachable grabbing plate 23 can be replaced with a different model and specification, thereby meeting the needs of grabbing generator rotors 24 of different models and specifications.

[0034] Specifically, the connecting flange 27 is used to connect the detachable grabbing plate 23 and the lifting installation plate 20 to facilitate the replacement of the detachable grabbing plate 23.

[0035] In this embodiment: the first electric guide rails 9 are symmetrically installed on both sides of the maintenance platform 11 and on the top surface of the maintenance workbench 2. The top surface of each first electric guide rail 9 is adapted to be slidably connected with a first slider support 10, and the inverted U-shaped movable bracket 3 is welded to the two first slider supports 10.

[0036] Specifically, the first slider support 10 is used in conjunction with the first electric guide rail 9 to ensure that the U-shaped movable bracket 3 moves smoothly along the guide rail.

[0037] In this embodiment, a second electric guide rail 13 is mounted on the inner top wall of the U-shaped mobile bracket 3. A second slider support 14 is slidably connected to the underside of the second electric guide rail 13. The hydraulic lifting column 4 is fixedly mounted on the underside of the second slider support 14. A detachable maintenance head 15 for mounting the welding head 5 is detachably mounted to the bottom end of the hydraulic lifting column 4 via bolts. By removing and replacing the detachable maintenance head 15, the required maintenance tool can be replaced.

[0038] Specifically, the second slider support 14 cooperates with the second electric guide rail 13 to ensure the smooth lifting of the hydraulic lifting column 4. The detachable maintenance processing head 15 can be replaced with different tool heads according to different maintenance needs, increasing the flexibility and applicability of the system.

[0039] In this embodiment: a circular groove is opened in the middle of the top surface of the maintenance platform 11, a rotating motor is embedded in the bottom wall of the circular groove, the output shaft of the rotating motor is connected to a rotating maintenance disk 12 adapted to the circular groove, and the generator body 6 is fixedly mounted on the top surface of the rotating maintenance disk 12.

[0040] Specifically, the rotating maintenance disk 12 is used to rotate the generator body 6 so as to perform maintenance work from different angles, thereby improving maintenance efficiency.

[0041] The electrical components mentioned in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that performs control such as a computer.

[0042] The working principle and usage process of the present invention are as follows: When the generator production and maintenance device is in use, the generator body 6 to be repaired is placed on the rotating maintenance disk 12 and fixed, a suitable disassembly and assembly grabbing disk 23 is selected and installed on the lifting mounting plate 20 through the connecting flange 27, and the U-shaped movable bracket 3 is moved by the first electric guide rail 9 and the first slider support 10, so that the disassembly and assembly grabbing disk 23 is close to the generator body 6, and the height of the hydraulic lifting column 4 is adjusted using the second electric guide rail 13 and the second slider support 14. First, the end cover of the generator body 6 is removed to expose the generator rotor 24, and at the same time, the screws connecting the generator rotor 24 and the shell are removed. At this time, the generator rotor 24 is in a state that can be extracted, so that the disassembly and assembly grabbing disk 23 is aligned with the generator rotor 24, and the cylinder part 21 drives the lifting mounting plate 20 to descend through the piston rod 22, so that the grabbing rod 28 is inserted into the grabbing socket 25 of the generator rotor 24 to complete the positioning.

[0043] The first electric guide rail 9 and the first slider support 10 are moved back to reset, driving the U-shaped movable beam 7 to move backward, and the generator rotor 24 is removed from the inner cavity of the generator body 6 for maintenance. After the generator rotor 24 is repaired, the first electric guide rail 9 and the first slider support 10 are moved forward to insert the generator rotor 24 into the inner cavity of the generator body 6, thereby achieving precise positioning and installation to prevent installation jams and misalignment. Then, the screws connecting the generator rotor 24 and the housing are installed.

[0044] When it is necessary to repair other parts of the generator body 6, the generator body 6 is rotated to a suitable angle by rotating the maintenance disk 12 as needed.

[0045] The detachable maintenance processing head 15 is replaced as needed, and an appropriate processing head is installed on the welding head 5 , and welding or other maintenance operations are performed on the generator body 6 through the hydraulic lifting column 4 and the welding head 5 .

[0046] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A generator production and maintenance device, comprising a generator maintenance assembly (1), characterized in that: The generator maintenance assembly (1) comprises a maintenance workbench (2) and a maintenance table (11) fixed to the top surface of the maintenance workbench (2); an inverted U-shaped movable bracket (3) is slidably mounted above the maintenance table (11) and located on the top surface of the maintenance workbench (2); a hydraulic lifting column (4) is slidably connected to the inner top wall of the U-shaped movable bracket (3); a welding head (5) is provided at the bottom end of the hydraulic lifting column (4); a generator body (6) to be maintained is mounted on the top surface of the maintenance table (11); the U-shaped movable bracket (3) is slidably mounted on the inner top wall of the U-shaped movable bracket (3); and a welding head (5) is provided at the bottom end of the hydraulic lifting column (4). A rotor positioning and disassembly assembly (8) is provided on one side of the movable bracket (3), and the rotor positioning and disassembly assembly (8) includes a support frame assembly connected to the U-shaped movable bracket (3) and moving as the U-shaped movable bracket (3) moves, and a disassembly and assembly grabbing plate (23) connected to the support frame assembly in a lifting manner, wherein a plurality of grabbing rods (28) are provided inside the disassembly and assembly grabbing plate (23), and a grabbing socket (25) adapted to be plugged into the grabbing rods (28) is provided on the outer wall of the generator rotor (24) inside the generator body (6).

2. The generator production and maintenance device according to claim 1, characterized in that: The support frame assembly comprises a U-shaped movable beam (7) welded to the inner wall of the U-shaped movable bracket (3), a supporting column (16) symmetrically welded to the bottom surface of the free end of the U-shaped movable beam (7), and an auxiliary walking wheel (17) mounted on the bottom surface of the supporting column (16).

3. The generator production and maintenance device according to claim 2, characterized in that: A supporting cross plate (18) is welded at the lower portion between the two supporting columns (16), and a cylinder component (21) is installed on the top surface of the U-shaped movable beam (7). The piston rod (22) of the cylinder component (21) longitudinally penetrates the U-shaped movable beam (7) and is fixedly connected to a lifting installation plate component (20).

4. The generator production and maintenance device according to claim 3, characterized in that: Two positioning upright rods (19) longitudinally penetrating the lifting installation plate (20) are longitudinally symmetrically welded between the supporting transverse plate (18) and the U-shaped movable beam (7).

5. The generator production and maintenance device according to claim 4, characterized in that: The back of the disassembly and assembly grabbing plate (23) is detachably connected to a connecting flange (27) via bolts, a connecting shaft (26) is welded to the back of the connecting flange (27), and the free end of the connecting shaft (26) is welded to the inner wall of the lifting and mounting plate (20).

6. The generator production and maintenance device according to claim 5, characterized in that: First electric guide rails (9) are symmetrically installed on both sides of the maintenance platform (11) and on the top surface of the maintenance workbench (2). The top surface of each first electric guide rail (9) is adapted to be slidably connected to a first slider support (10), and the inverted U-shaped movable bracket (3) is welded to the two first slider supports (10).

7. The generator production and maintenance device according to claim 6, characterized in that: A second electric guide rail (13) is installed on the inner top wall of the U-shaped mobile bracket (3); a second slider support (14) is slidably connected to the bottom surface of the second electric guide rail (13); and the hydraulic lifting column (4) is fixedly installed on the bottom surface of the second slider support (14).

8. The generator production and maintenance device according to claim 7, characterized in that: A circular groove is provided in the middle of the top surface of the maintenance platform (11), and a rotating motor is embedded in the bottom wall of the circular groove; The output shaft of the rotating electrical machine is connected to a rotating maintenance disk (12) adapted to fit in the circular groove, and the generator body (6) is fixedly mounted on the top surface of the rotating maintenance disk (12).

Images