A generator turning tool

Abstract

The invention discloses a generator turning tool, comprising a motor rotor, a turning device, a moving device, and a maintenance device. Two maintenance devices are provided, which are respectively located on both sides of the motor rotor, the turning device is located on both sides of the motor rotor, and the moving device is located at the bottom. The invention makes it easier for maintenance personnel to perform maintenance by providing the maintenance device, and makes it easier to turn the generator rotor by using the turning device, thereby improving maintenance efficiency.

Description

Technical Field

[0001] The invention relates to generator maintenance equipment, in particular to a generator turning tool. Background Art

[0002] Nuclear power plants generate electricity through the operation of generator sets. During the operation of the generator sets, the rotors of the generator sets are prone to accidents such as bent shafts during continuous work, thus causing failures.

[0003] Once a problem occurs in the generator set, it will affect the normal power generation of the nuclear power plant. The repair of problems such as the bent shaft of the generator rotor is difficult, and therefore requires a lot of manpower and time costs. Therefore, each long-term maintenance of the rotor will cause huge economic losses to the nuclear power plant. In the case that maintenance is unavoidable, how to save the time and manpower costs of maintenance, that is, to improve the efficiency of maintenance, is the top priority for reducing the huge losses of nuclear power plants. Therefore, it is necessary to create a maintenance method that is different from the existing manual maintenance of one side of the rotor, and then consumes a lot of manpower, material resources and time costs to flip the large rotor, and then repair the other side. Summary of the invention

[0004] The purpose of the present invention is to provide a generator turning tool, which has the effect of convenient and rapid maintenance and turning.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] A generator turning tool comprises a motor rotor, a turning device, a moving device and a maintenance device, wherein two maintenance devices are provided and are respectively located on both sides of the motor rotor, the turning device is located on both sides of the motor rotor, and the moving device is located at the bottom. The maintenance device comprises a bracket, a walkway, a support plate and a maintenance box, the bracket is vertically arranged, a staircase is fixedly connected to a side of the bracket away from the motor rotor along its oblique upward slope direction, two stairs are provided and are respectively located on both sides of the bracket, a channel is fixedly connected to a side of the upper middle part of the bracket away from the stairs, the channel is horizontally arranged, two channels are provided and are respectively located on both sides of the bracket, the walkway is located between the channels, the walkway is arc-shaped, one side of the walkway is fixedly connected to the bracket, and both ends of the walkway are respectively fixedly connected to the channel, the support plate is arc-shaped, the support plate is located on a side of the walkway away from the bracket, one side of the support plate is fixedly attached to the walkway, and both ends of the support plate are respectively fixedly connected to the channel, and a plurality of maintenance boxes are provided and are arranged at intervals between the support plates.

[0007] By adopting the above technical solution, by setting up a maintenance device, the user walks up the stairs to the passage of the bracket, then walks through the passage to the walkway, and enters the maintenance box through the walkway. Both sides of the rotor can be repaired simultaneously in the maintenance box to speed up efficiency. The maintenance device is set up to make it easier for maintenance personnel to perform maintenance, and the flipping device makes it easier to flip the generator rotor, thereby improving maintenance efficiency.

[0008] Preferably, the maintenance box includes a bottom plate, a surrounding plate, and a lifting mechanism. The bottom plate is located at the bottom of the maintenance box and is fixedly connected to the support plate. The lifting mechanism is located at the four end points of the upper part of the bottom plate. The surrounding plates are provided in three pieces, which are located on the three side surfaces of the upper part of the bottom plate away from the bracket. The surrounding plates include a fixed plate, an elastic plate, and an adjustment plate. The fixed plate is vertically fixed to the upper part of the bottom plate, the elastic plate is vertically fixed to the upper part of the fixed plate, and the adjustment plate is located at the upper part of the elastic plate.

[0009] By adopting the above technical solution, the adjustment plate is driven to move in the height direction through the lifting mechanism, so that the interception height of the adjustment plate can meet the safety requirements of maintenance personnel of different heights, ensuring efficient maintenance while also ensuring the safety of maintenance.

[0010] Preferably, the lifting mechanism comprises a motor, a threaded rod, a guide rail and a slider, wherein the guide rail is vertically fixed to the upper portion of the base plate, the motor is invertedly fixed to the top of the guide rail, the threaded rod is vertically arranged, the top of the threaded rod is fixedly connected to the output shaft of the motor, the bottom of the threaded rod is rotatably connected to the guide rail, the slider is set on the threaded rod and threadedly connected to the threaded rod, the slider is slidably connected to the guide rail, the two ends of the adjustment plate are respectively fixedly connected to the slider, and the adjustment plate moves up and down with the slider at any time.

[0011] By adopting the above technical solution, the threaded rod 1 is driven to rotate by starting the motor 1, so that the slider 1 slides on the threaded rod 1, and the slider 1 drives the adjustment plate fixedly connected thereto to rise and fall, so as to adjust the height position of the adjustment plate 1.

[0012] Preferably, the flipping device comprises a support rod 1, a support rod 2, a connecting rod, a connecting block 1, a motor 3, and a connecting block 2, wherein the support rod 1 and the support rod 2 are respectively located on both sides of the motor rotor, the connecting rod passes through the motor rotor and is fixedly connected to the motor rotor, one end of the connecting rod is fixedly connected to the connecting block 1, the other end of the connecting rod is provided with a slot 1, the top of the support rod 1 is provided with a slot 2, the slot 2 is matched in shape with the connecting block 1, the connecting block 1 is embedded in the slot 2 and is fixedly connected to the support rod 1, the motor 3 is fixed to the top of the support rod 2, and the output shaft of the motor 3 is fixedly connected to the connecting block 2, the connecting block 2 is matched in shape with the slot 1, the connecting block 2 is embedded in the slot 1 and the connecting block 2 is fixedly connected to the connecting rod.

[0013] By adopting the above technical solution, the connection block 2 is driven to rotate by starting the motor 3, thereby driving the connecting rod to rotate, so that the connecting rod drives the entire motor rotor to rotate, and the motor rotor can be rotated and adjusted between the support rod 1 and the support rod 2, which is more convenient for maintenance personnel to maintain.

[0014] Preferably, the moving device includes two motors, two threaded rods, two guide rails, and two sliders. The two guide rails are located on the side of the bracket away from the motor. The two motors are fixed to the side of the two guide rails away from the bracket. The two threaded rods are horizontally arranged. One end of the two threaded rods is fixedly connected to the output shaft of the two motors, and the other end is rotatably connected to the two guide rails. The two sliders are penetrated by the two threaded rods and threadedly connected to the two threaded rods. The two sliders are slidably connected to the two guide rails.

[0015] By adopting the above technical solution, the second slide block is driven by the second motor to slide in the second guide rail, so that the position of the second slide block in the horizontal direction can be adjusted.

[0016] Preferably, the sliding block 2 is located at the bottom of the supporting rod 1 and the supporting rod 2 and is fixedly connected to the supporting rod 1 and the supporting rod 2.

[0017] By adopting the above technical solution, through the connection between the bottom of support rod 1 and support rod 2 and slider 2, slider 2 can drive support rod 1 and support rod 2 to move in the horizontal direction while adjusting in the horizontal direction, so as to facilitate determining the position of the motor rotor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of an embodiment;

[0019] Figure 2 is a schematic diagram of the structure of the mobile device;

[0020] Figure 3 It is a structural diagram of the maintenance device;

[0021] Figure 4 This is a schematic diagram of the location of the walkway;

[0022] Figure 5 It is a structural diagram of the maintenance box;

[0023] Figure 6 It is a schematic diagram of the structure of one side of the flip device;

[0024] Figure 7 It is a schematic diagram of the structure of the other side of the flipping device.

[0025] 1. The moving device; 2. The maintenance device; 3. The motor rotor; 4. The turning device; 5. The second motor; 6. The second guide rail; 7. The second slider; 8. The second threaded rod; 9. The bracket; 10. The stairs; 11. The passage; 12. The walkway; 13. The support plate; 14. The maintenance box; 15. The first guide rail; 16. The first motor; 17. The first threaded rod; 18. The slider; 19. The adjustment plate; 20. The elastic plate; 21. The fixing plate; 22. The bottom plate; 23. The connecting block; 24. The second slot; 25. The third motor; 26. The connecting block; 27. The first slot; 28. The first support rod; 29. ​​The second support rod; 30. The connecting rod. DETAILED DESCRIPTION

[0026] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. At the same time, it should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

[0027] like Figures 1 to 7 As shown, a generator turning tool comprises a motor rotor 3, a turning device 4, a moving device 1, a maintenance device 2, and an attached Figure 1 As shown, two maintenance devices 2 are provided, which are respectively located on both sides of the motor rotor 3, the turning devices 4 are located on both sides of the motor rotor 3, and the moving device 1 is located at the bottom.

[0028] Attach Figure 3 As shown, the maintenance device 2 includes a bracket 9, a walkway 12, a support plate 13, and a maintenance box 14. The bracket 9 is vertically arranged, and a staircase 10 is fixedly connected to the side of the bracket 9 away from the motor rotor 3 along its oblique upward slope direction. Two stairs 10 are provided, which are respectively located on both sides of the bracket 9. A channel 11 is fixedly connected to the side of the upper middle part of the bracket 9 away from the staircase 10. The channel 11 is horizontally arranged, and two channels 11 are provided, which are respectively located on both sides of the bracket 9.

[0029] Attach Figure 4As shown, the walkway 12 is located between the channels 11, the walkway 12 is arc-shaped, one side of the walkway 12 is fixedly connected to the bracket 9, and both ends of the walkway 12 are respectively fixedly connected to the channels 11, the support plate 13 is arc-shaped, the support plate 13 is located on the side of the walkway 12 away from the bracket 9, one side of the support plate 13 is fitted and fixed to the walkway 12, and both ends of the support plate 13 are respectively fixedly connected to the channels 11, and a plurality of maintenance boxes 14 are provided, which are arranged at intervals between the support plates 13.

[0030] Maintenance personnel can walk along the stairs 10, walkway 12 and passage 11 of the support 9, enter the aisle 12 through the passage 11, walk to the corresponding maintenance box 14 in the aisle 12, and then enter the maintenance box 14 for maintenance. Since there are maintenance devices 2 on both sides of the motor rotor 3, both sides of the motor rotor 3 can be repaired at the same time, which greatly improves the efficiency of maintenance compared with the traditional method of repairing the upper side with one side facing the ground and the other side facing up, and then turning over to process the other side after completion.

[0031] Attach Figure 5 As shown, the lifting mechanism includes a motor 16, a threaded rod 17, a guide rail 15, and a slider 18. The guide rail 15 is vertically fixed to the upper part of the bottom plate 22, the motor 16 is inverted and fixed to the top of the guide rail 15, the threaded rod 17 is vertically arranged, the top of the threaded rod 17 is fixedly connected to the output shaft of the motor 16, the bottom of the threaded rod 17 is rotatably connected to the guide rail 15, the slider 18 is sleeved on the threaded rod 17 and threadedly connected to the threaded rod 17, the slider 18 is slidably connected to the guide rail 15, and both ends of the adjustment plate 19 are fixedly connected to the slider 18 respectively. The adjustment plate 19 moves up and down with the slider 18 at any time. By starting the motor 16 to drive the threaded rod 17 to rotate, the slider 18 slides on the threaded rod 17, and the slider 18 drives the adjustment plate 19 fixedly connected thereto to be lifted and lowered to adjust the height position of the adjustment plate 19.

[0032] Attach Figure 5As shown, the maintenance box 14 includes a bottom plate 22, a surrounding plate, and a lifting mechanism. The bottom plate 22 is located at the bottom of the maintenance box 14 and is fixedly connected to the support plate 13. The lifting mechanism is located at the four end points of the upper part of the bottom plate 22. There are three surrounding plates, which are located on the three sides of the upper part of the bottom plate 22 away from the bracket 9. The surrounding plates include a fixed plate 21, an elastic plate 20, and an adjustment plate 19. The fixed plate 21 is vertically fixed to the upper part of the bottom plate 22, the elastic plate 20 is vertically fixed to the upper part of the fixed plate 21, and the adjustment plate 19 is located on the upper part of the elastic plate 20. The adjustment plate 19 is driven by the lifting mechanism to move in the height direction. Since the fixed plate 21 is stationary at the bottom, the elastic plate 20 can ensure that the maintenance personnel will neither fall nor be injured due to collision at the basic height. The adjustment plate 19 is adjusted to the height of the surrounding plate to ensure that each maintenance personnel can be safe according to the different heights of each maintenance personnel, so that the interception height of the adjustment plate 19 can meet the safety needs of maintenance personnel of different heights, while ensuring efficient maintenance while also ensuring the safety of maintenance.

[0033] Attach Figure 6 , Attachment Figure 7 As shown, the flip device 4 includes a support rod 1 28, a support rod 29, a connecting rod 30, a connecting block 1 23, a motor 3 25, and a connecting block 26. The support rod 1 28 and the support rod 29 are respectively located on both sides of the motor rotor 3. The connecting rod 30 passes through the motor rotor 3 and is fixedly connected to the motor rotor 3. One end of the connecting rod 30 is fixedly connected to the connecting block 1 23, and the other end of the connecting rod 30 is provided with a slot 1 27. The top of the support rod 1 28 is provided with a slot 24, and the slot 24 is in shape with the connecting block 1 23. The connecting block 1 23 is embedded in the slot 24 and connected to the support rod 1 2 8 is fixed by clamping, the motor three 25 is fixed on the top of the support rod two 29, and the output shaft of the motor three 25 is fixedly connected to the connecting block two 26, the connecting block two 26 is matched with the shape of the clamping groove one 27, the connecting block two 26 is embedded in the clamping groove one 27 and the connecting block two 26 is clamped and fixed with the connecting rod 30, and the starting of the motor three 25 drives the connecting block two 26 to rotate, thereby driving the connecting rod 30 to rotate, so that the connecting rod 30 drives the entire motor rotor 3 to rotate, so that the motor rotor 3 can be rotated and adjusted between the support rod one 28 and the support rod two 29, which is more convenient for maintenance personnel to maintain.

[0034] Attach Figure 2As shown, the moving device 1 includes a motor 25, a threaded rod 28, a guide rail 26, and a slider 27. The guide rail 26 is located on the side of the bracket 9 away from the motor transfer side, the motor 25 is fixed to the side of the guide rail 26 away from the bracket 9, the threaded rod 28 is horizontally arranged, one end of the threaded rod 28 is fixedly connected to the output shaft of the motor 25, and the other end is rotatably connected to the guide rail 26, the slider 27 is penetrated by the threaded rod 28 and threadedly connected to the threaded rod 28, the slider 27 is slidably connected to the guide rail 26, the slider 27 is located at the bottom of the support rod 1 28 and the support rod 29 and is fixedly connected to the support rod 1 28 and the support rod 29, the slider 27 is driven by the motor 25 to slide in the guide rail 26, so that the position of the slider 27 in the horizontal direction can be adjusted, and the connection between the bottom of the support rod 1 28 and the support rod 29 and the slider 27 can drive the support rod 1 28 and the support rod 29 to move in the horizontal direction while adjusting the slider 27 in the horizontal direction, so as to facilitate the determination of the position of the motor rotor 3.

[0035] When repairing the motor rotor 3, firstly, the positions of the support rod 1 28 and the support rod 2 29 are adjusted by the moving device 1, so that the connecting block 1 23 and the slot 2 24 are engaged, and the connecting block 26 and the slot 1 27 are engaged, and then the motor 3 25 is started to rotate the motor rotor 3 to the position where the repair is required, and the maintenance personnel go up the stairs 10 of the brackets 9 on both sides, walk into the passage 11 through the stairs 10, and then enter the walkway 12, select and enter their own maintenance box 14 in the walkway 12, and then according to their own height and operating habits, the motor 2 5 is started to drive the slider 2 7 to adjust the adjustment plate 19 to a suitable height on the basis of ensuring safety, and then the motor rotor 3 is repaired. After one part is completed, the maintenance part is adjusted by rotating the motor 3 25, so that compared with the existing motor rotor 3 maintenance, two sides can be repaired at the same time, which greatly improves the maintenance efficiency, and it is simpler and easier to turn over the motor rotor 3, which also speeds up the progress of maintenance, and the maintenance box 14 provides sufficient protection during maintenance, and the safety of maintenance can also be guaranteed.

[0036] The present invention makes it easier for maintenance personnel to perform maintenance by providing a maintenance device 2, and makes it easier for the generator rotor 3 to flip by using a flip device 4, thereby improving maintenance efficiency.

Claims

1. A generator turning tool, comprising a motor rotor (3), a turning device (4), a moving device (1), and a maintenance device (2), characterized in that: The maintenance device (2) is provided with two, respectively located on both sides of the motor rotor (3), the turning device (4) is located on both sides of the motor rotor (3), the moving device (1) is located at the bottom, the maintenance device (2) comprises a bracket (9), a walkway (12), a support plate (13), and a maintenance box (14), the bracket (9) is vertically arranged, the side of the bracket (9) away from the motor rotor (3) is fixedly connected to a staircase (10) along its oblique upward slope direction, the staircase (10) is provided with two, respectively located on both sides of the bracket (9), the upper part of the bracket (9) is fixedly connected to a channel (11) away from the staircase (10), and the channel (11) is horizontally arranged, Two passages (11) are provided, which are respectively located on both sides of the bracket (9); the walkway (12) is located between the passages (11); the walkway (12) is arc-shaped; one side of the walkway (12) is fixedly connected to the bracket (9); both ends of the walkway (12) are respectively fixedly connected to the passage (11); the support plate (13) is arc-shaped; the support plate (13) is located on a side of the walkway (12) away from the bracket (9); one side of the support plate (13) is fitted and fixed to the walkway (12); both ends of the support plate (13) are respectively fixedly connected to the passage (11); and a plurality of maintenance boxes (14) are provided, which are arranged at intervals between the support plates (13).

2. A generator turning tool according to claim 1, characterized in that: The maintenance box (14) comprises a bottom plate (22), a surrounding plate, and a lifting mechanism. The bottom plate (22) is located at the bottom of the maintenance box (14) and is fixedly connected to the support plate (13). The lifting mechanism is located at four end points of the upper part of the bottom plate (22). The surrounding plates are provided in three pieces, which are located at three side surfaces of the upper part of the bottom plate (22) away from the bracket (9). The surrounding plates comprise a fixed plate (21), an elastic plate (20), and an adjustment plate (19). The fixed plate (21) is vertically fixed to the upper part of the bottom plate (22). The elastic plate (20) is vertically fixed to the upper part of the fixed plate (21). The adjustment plate (19) is located on the upper part of the elastic plate (20).

3. A generator turning tool according to claim 2, characterized in that: The lifting mechanism comprises a motor (16), a threaded rod (17), a guide rail (15), and a slider (18). The guide rail (15) is vertically fixed to the upper part of the bottom plate (22). The motor (16) is inverted and fixed to the top of the guide rail (15). The threaded rod (17) is vertically arranged. The top of the threaded rod (17) is fixedly connected to the output shaft of the motor (16). The bottom of the threaded rod (17) is rotatably connected to the guide rail (15). The slider (18) is sleeved on the threaded rod (17) and is threadedly connected to the threaded rod (17). The slider (18) is slidably connected to the guide rail (15). The two ends of the adjustment plate (19) are respectively fixedly connected to the slider (18). The adjustment plate (19) moves up and down with the slider (18) at any time.

4. A generator turning tool according to claim 3, characterized in that: The flip device (4) comprises a support rod (28), a support rod (29), a connecting rod (30), a connecting block (23), a motor (25), and a connecting block (26); the support rod (28) and the support rod (29) are respectively located on both sides of the motor rotor (3); the connecting rod (30) passes through the motor rotor (3) and is fixedly connected to the motor rotor (3); one end of the connecting rod (30) is fixedly connected to the connecting block (23); the other end of the connecting rod (30) is provided with a clamping groove (27); and the top of the support rod (28) is provided with a clamping groove The second (24) of the card slot 2 (24) is matched in shape with the first (23) of the connecting block, the first (23) of the connecting block is embedded in the second (24) of the card slot and is fixedly connected with the first (28) of the supporting rod, the third (25) of the motor is fixed on the top of the second (29) of the supporting rod, and the output shaft of the third (25) of the motor is fixedly connected with the second (26) of the connecting block, the second (26) of the connecting block is matched in shape with the first (27) of the card slot, the second (26) of the connecting block is embedded in the first (27) of the card slot and is fixedly connected with the connecting rod (30).

5. A generator turning tool according to claim 4, characterized in that: The moving device (1) comprises a second motor (5), a second threaded rod (8), a second guide rail (6), and a second slider (7). The second guide rail (6) is located on a side of the bracket (9) away from the motor rotor. The second motor (5) is fixed to a side of the second guide rail (6) away from the bracket (9). The second threaded rod (8) is arranged horizontally. One end of the second threaded rod (8) is fixedly connected to the output shaft of the second motor (5), and the other end is rotatably connected to the second guide rail (6). The second slider (7) is passed through the second threaded rod (8) and is threadedly connected to the second threaded rod (8). The second slider (7) is slidably connected to the second guide rail (6).

6. A generator turning tool according to claim 5, characterized in that: The sliding block 2 (7) is located at the bottom of the supporting rod 1 (28) and the supporting rod 2 (29) and is fixedly connected to the supporting rod 1 (28) and the supporting rod 2 (29).

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