Generator rotor spindle fine machining device

Abstract

The fine machining device comprises a collecting box, two side position plates are arranged at the top of the collecting box, the two side position plates are symmetrically arranged in the front-back direction, sliding grooves are formed in the corresponding sides of the two side position plates, two moving plates are arranged between the two side position plates, and the two moving plates are symmetrically arranged in the front-back direction. And the two movable plates are symmetrically arranged left and right, the front sides and the rear sides of the movable plates are slidably connected with the adjacent sliding grooves correspondingly, and clamping plates are fixedly connected to the tops of the two movable plates correspondingly. According to the device, the flexible baffle can be driven to move when the linkage plate moves, and the size of the rectangular opening can be changed when the flexible baffle moves, so that the redundant flexible baffle is blocked in the inner cavity of the placement box, the remaining sponge block can be attached to the outer side of the rotor spindle, and waste of redundant penetrant is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of rotor main shafts, and in particular to a fine processing device for a generator rotor main shaft. Background Art

[0002] The generator rotor main shaft is the main component used to support and transmit torque in the generator. It has sufficient mechanical strength to withstand the torque transmitted by the prime mover and the huge electromagnetic torque of the sudden short circuit at the generator outlet. At the same time, the rotor main shaft also serves as the carrier of the main magnetic poles of the generator and is the key to the normal operation of the generator.

[0003] Since the generator rotor shaft may wear or fail during long-term use, it is crucial to conduct regular inspection and maintenance, which includes checking the wear of the rotor shaft, the lubrication status of the bearings, and whether there are cracks or deformations. When cracks that cannot be seen by the naked eye appear on the outside of the rotor shaft, color flaw detection is required for detection. However, the existing color flaw detection technology is inconvenient to operate and cannot adjust the coloring area according to the size of the rotor shaft, which may cause a waste of colorant. Summary of the invention

[0004] To achieve the above object, the present invention provides the following technical solutions: A fine processing device for a generator rotor main shaft comprises a collecting box, wherein the collecting box has two side plates on the top, the two side plates are symmetrically arranged front and back, and a slide groove is provided on the corresponding side of the two side plates, and there are two movable plates between the two side plates, the two movable plates are symmetrically arranged left and right, and the front and rear sides of the movable plates are slidably connected to adjacent slide grooves, and the tops of the two movable plates are fixedly connected with a clamping plate, and there are two gears on the right side of the clamping plate located on the left side, and the two gears are symmetrically arranged front and back, and the two gears are meshed with each other, and the gear located on the front side is movably connected to the adjacent clamping plate. The gear is connected to the left side of the splint with a first rotating shaft, the left end of which is fixedly connected to the center of the adjacent splint, and a belt is commonly sleeved on the outer sides of the two splints. A second rotating shaft is passed through the center of the splint on the front side and is fixedly connected thereto. The second rotating shaft is inserted into the splint, and a motor is provided at the left end of the second rotating shaft. The motor power output shaft is fixedly connected to the second rotating shaft. A bearing is provided on the left side of the splint on the right side, and a rotor main shaft is provided between the two splints. The right end of the rotor main shaft is in contact with the bearing, and the left end of the rotor main shaft is in contact with the adjacent gear.

[0005] Preferably, a sleeve plate is fixedly connected to the right side of the movable plate located on the left side near the bottom, and an insert plate is fixedly connected to the left side of the movable plate located on the right side near the bottom, and the left side of the insert plate extends to the inner cavity of the sleeve plate, and racks are fixedly connected to the corresponding sides of the two movable plates, and a central gear is meshed between the two racks. A central shaft passes through the center of the central gear and is fixedly connected thereto, and the bottom end of the central shaft is inserted into the top of the collection box.

[0006] Preferably, the left and right sides of the two side plates are commonly fixedly connected to a fixed plate, the two fixed plates are each installed with a cylinder on the opposite sides, and the two cylinder power output shafts pass through adjacent fixed plates and are fixedly connected to adjacent movable plates.

[0007] Preferably, there is a placement box on the top of the rotor main shaft, a rectangular opening is opened at the bottom of the placement box, openings are opened on the left and right sides of the rectangular opening, the openings and the rectangular opening are arranged to penetrate each other, soft baffles are installed on the left and right sides of the placement box, the corresponding sides of the two soft baffles pass through the opening and extend to the inner cavity of the rectangular opening, the top of the splint is fixedly connected with a linkage plate, and the top of the linkage plate is fixedly connected to the bottom of the soft baffle.

[0008] Preferably, the placement box is fixedly connected with connecting plates at the centers of the front and rear sides, the top of the collection box is fixedly connected with L-shaped fixing plates near the front and rear sides, the two L-shaped fixing plates are fixedly connected to a top plate on one side corresponding to each other, the bottom of the top plate is fixedly connected with electric telescopic rods near the left and right sides, the bottom ends of the two electric telescopic rods are fixedly connected with a movable box, and limiting grooves are provided at the centers of the front and rear sides of the inner cavity of the placement box.

[0009] Preferably, a fixed frame is fixedly connected to the bottom of the movable box, a plurality of discharge pipes are plugged into the bottom of the movable box, the plurality of discharge pipes are linearly arranged from left to right, a mounting plate is fixedly connected to the bottom of the fixed frame, a plurality of sponge blocks are arranged in the inner cavity of the mounting plate, the plurality of sponge blocks are linearly arranged from left to right, and the bottom end of the discharge pipe is plugged into the top of the sponge block.

[0010] Preferably, a spring is sleeved on the outside of the discharge pipe, the top end of the spring is fixedly connected to the fixed frame, the bottom end of the spring is fixedly connected to the mounting plate, the limit plates are fixedly connected at the centers of the front and rear sides of the movable box, the limit plates are slidably connected to the limit grooves, the rear side of the L-shaped fixed plate located on the front side is fixedly connected to a cleaning machine, and the front side of the L-shaped fixed plate located on the rear side is fixedly connected to an arc-shaped baffle.

[0011] Compared with the prior art, the present invention has the following beneficial effects: The present invention realizes that when the linkage plate moves, the soft baffle plate can be driven to move through the mutual cooperation among the movable box, the limit plate, the electric telescopic rod, the fixed frame, the spring, the sponge block, the mounting plate and other components, and when the soft baffle plate moves, the size of the rectangular opening can be changed, so that the excess soft baffle plate is blocked in the inner cavity of the placement box, and the remaining sponge block can be fitted with the outer side of the rotor main shaft to avoid the waste of excess penetrant. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the component collection box of the present invention; Figure 3 This is a schematic diagram of the structure of the component activity box of the present invention; Figure 4 This is a schematic diagram of the structure of the rotor main shaft of the component of the present invention; Figure 5 This is a bottom view of the rotor main shaft structure of the component of the present invention; Figure 6 This is a schematic diagram of the component placement box structure of the present invention; Figure 7 This is a bottom view of the component placement box structure of the present invention.

[0013] Numbers in the figure: 1. Collection box; 2. L-shaped fixing plate; 3. Cleaning machine; 4. Side plate; 5. Fixed plate; 6. Cylinder; 7. Placement box; 8. Movable box; 9. Electric telescopic rod; 10. Top plate; 11. Connecting plate; 12. Soft baffle; 13. Moving plate; 14. Arc baffle; 15. Sponge block; 16. Mounting plate; 17. Fixed frame; 18. Spring; 19. Limit plate; 20. Motor; 21. Grooved wheel; 22. Gear; 23. Clamp; 24. Rotor main shaft; 25. Sleeve plate; 26. Insert plate; 27. Linkage plate; 28. Rack; 29. ​​Center gear; 30. Center shaft. DETAILED DESCRIPTION

[0014] See also Figure 1-7 , the present invention provides a technical solution: A fine processing device for a generator rotor main shaft comprises a collecting box 1, and the collecting box 1 has two side plates 4 on the top, and the two side plates 4 are symmetrically arranged front and back, and a slide groove is opened on the corresponding side of the two side plates 4, and there are two movable plates 13 between the two side plates 4, and the two movable plates 13 are symmetrically arranged left and right, and the front and rear sides of the movable plates 13 are slidably connected to adjacent slide grooves, and the tops of the two movable plates 13 are fixedly connected with a clamping plate 23, and there are two gears 22 on the right side of the clamping plate 23 on the left side, and the two gears 22 are symmetrically arranged front and back, and the two gears 22 are meshed with each other, and the gear 22 on the front side is movably connected with the adjacent clamping plates 23, and the first rotating shaft is fixedly connected at the center of the gear 22 on the rear side, and there are two groove wheels 21 on the left side of the clamping plate 23, and the left end of the first rotating shaft is fixedly connected to the center of the adjacent groove wheel 21, and a belt is commonly sleeved on the outer sides of the two groove wheels 21, and a second rotating shaft is penetrated through the center of the groove wheel 21 on the front side and fixedly connected to it, and the second rotating shaft is inserted into the clamping plate 23, and the second A motor 20 is provided at the left end of the rotating shaft, and the power output shaft of the motor 20 is fixedly connected to the second rotating shaft. A bearing is provided on the left side of the clamping plate 23 on the right side, and a rotor main shaft 24 is provided between the two clamping plates 23. The right end of the rotor main shaft 24 is fitted with the bearing, and the left end of the rotor main shaft 24 is fitted with the adjacent gear 22. A sleeve plate 25 is fixedly connected to the right side of the moving plate 13 on the left side near the bottom, and an insert plate 26 is fixedly connected to the left side of the moving plate 13 on the right side near the bottom. The left side of the insert plate 26 extends to the inner cavity of the sleeve plate 25. A rack 28 is fixedly connected to the corresponding side of each movable plate 13, and a central gear 29 is meshed between the two racks 28. A central shaft 30 is penetrated at the center of the central gear 29 and is fixedly connected thereto. The bottom end of the central shaft 30 is inserted into the top of the collecting box 1. The left and right sides of the two side plates 4 are commonly fixedly connected to the fixed plates 5. Cylinders 6 are installed on the opposite sides of the two fixed plates 5. The power output shafts of the two cylinders 6 penetrate the adjacent fixed plates 5 and are fixedly connected to the adjacent movable plates 13.

[0015] A placement box 7 is provided on the top of the rotor main shaft 24, a rectangular opening is provided at the bottom of the placement box 7, openings are provided on both the left and right sides of the rectangular opening, the openings and the rectangular opening are mutually connected, soft baffles 12 are installed on both the left and right sides of the placement box 7, the corresponding sides of the two soft baffles 12 penetrate the openings and extend to the inner cavity of the rectangular opening, a linkage plate 27 is fixedly connected to the top of the clamping plate 23, the top of the linkage plate 27 is fixedly connected to the bottom of the soft baffle 12, and the center of the front and rear sides of the placement box 7 are fixedly connected to the connecting plates 11. The top of the collecting box 1 is fixedly connected to an L-shaped fixing plate 2 near the front and rear sides, and the corresponding sides of the two L-shaped fixing plates 2 are fixedly connected to a top plate 10. The bottom of the top plate 10 is fixedly connected to the left and right sides. The bottom ends of the two electric telescopic rods 9 are fixedly connected to a movable box 8. The center of the front and rear sides of the inner cavity of the placement box 7 is provided with a limited position groove. The bottom of the movable box 8 is fixedly connected to a fixed frame 17. A plurality of discharge pipes are plugged into the bottom of the movable box 8. The plurality of discharge pipes are linearly arranged from left to right. The bottom of the fixed frame 17 is fixedly connected to a mounting plate 16 A plurality of sponge blocks 15 are arranged in a linear manner from left to right in the inner cavity of the mounting plate 16. The bottom end of the discharge pipe is inserted into the top of the sponge block 15. A spring 18 is sleeved on the outside of the discharge pipe. The top of the spring 18 is fixedly connected to the fixed frame 17, and the bottom of the spring 18 is fixedly connected to the mounting plate 16. The centers of the front and rear sides of the movable box 8 are fixedly connected to limit plates 19, and the limit plates 19 are slidably connected to the limit grooves. The cleaning machine 3 is fixedly connected to the rear side of the L-shaped fixed plate 2 on the front side, and the arc-shaped baffle 14 is fixedly connected to the front side of the L-shaped fixed plate 2 on the rear side.

[0016] Working principle: First, start the two cylinders 6 to drive the two moving plates 13 to move in opposite directions through the power output shaft, then put the rotor main shaft 24 between the two clamping plates 23, and fit it with the bearing and the adjacent gear 22, then the two cylinders 6 drive the adjacent moving plates 13 to move in opposite directions, and fix the rotor main shaft 24. When the fixation is completed, the motor 20 can be started, and the motor 20 can drive the groove wheel 21 on the front side to rotate through the power output shaft, and the groove wheel 21 on the front side can drive the groove wheel 21 on the rear side to rotate through the belt, and the groove wheel 21 on the rear side can drive the gear 22 on the rear side to rotate through the second rotating shaft, and the gear 22 on the rear side can drive the gear 22 on the front side to rotate, thereby driving the rotor main shaft 24 to rotate, and at the same time When the splint 23 moves toward each other, the linkage plate 27 can drive the soft baffle 12 to move toward each other, so as to adjust the distance of the rectangular opening according to the current length of the rotor main shaft 24. Then the two electric telescopic rods 9 drive the movable box 8 to move downward. When the movable box 8 moves downward, it can drive several sponge blocks 15 to move downward through the fixed frame 17. When the sponge blocks 15 move downward, they can enter the inner cavity of the rectangular opening and fit with the outer side of the rotor main shaft 24, so as to achieve the purpose of applying the penetrant on the outer side of the rotor main shaft 24. After the penetrant is applied, the cleaning machine 3 can be started to spray the cleaning agent on the outer side of the rotor main shaft 24 to remove the excess penetrant on the outer side of the rotor main shaft 24, so as to facilitate the staff to observe the cracks on the outer side of the rotor main shaft 24.

Claims

1. A fine processing device for a generator rotor main shaft, comprising a collecting box (1), characterized in that: The collecting box (1) has two side plates (4) on the top, the two side plates (4) are symmetrically arranged front and back, and a slide groove is provided on the corresponding side of the two side plates (4). There are two moving plates (13) between the two side plates (4), the two moving plates (13) are symmetrically arranged left and right, and the front and rear sides of the moving plates (13) are slidably connected to adjacent slide grooves. The tops of the two moving plates (13) are fixedly connected to a clamping plate (23), and the right side of the clamping plate (23) on the left side has two gears (22), and the two gears (22) are symmetrically arranged front and back. The two gears (22) are meshed with each other, and the gear (22) on the front side is movably connected to the adjacent clamping plate (23), and the gear (22) on the rear side is movably connected to the adjacent clamping plate (23). A first rotating shaft is fixedly connected at the center of a circle of the splint (22), two groove wheels (21) are arranged on the left side of the splint (23), the left end of the first rotating shaft is fixedly connected to the center of the circle of the adjacent groove wheel (21), a belt is commonly sleeved on the outer sides of the two groove wheels (21), a second rotating shaft is passed through the center of the circle of the groove wheel (21) located on the front side and is fixedly connected thereto, the second rotating shaft is plugged into the splint (23), a motor (20) is arranged at the left end of the second rotating shaft, a power output shaft of the motor (20) is fixedly connected to the second rotating shaft, a bearing is arranged on the left side of the splint (23) located on the right side, a rotor main shaft (24) is arranged between the two splints (23), the right end of the rotor main shaft (24) is in contact with the bearing, and the left end of the rotor main shaft (24) is in contact with the adjacent gear (22).

2. The fine processing device for a generator rotor main shaft according to claim 1 is characterized in that: A sleeve plate (25) is fixedly connected to the right side of the movable plate (13) located on the left near the bottom, and an insert plate (26) is fixedly connected to the left side of the movable plate (13) located on the right near the bottom. The left side of the insert plate (26) extends to the inner cavity of the sleeve plate (25). A rack (28) is fixedly connected to the corresponding sides of the two movable plates (13). A central gear (29) is meshed between the two racks (28). A central shaft (30) passes through the center of the central gear (29) and is fixedly connected thereto. The bottom end of the central shaft (30) is plugged into the top of the collection box (1).

3. The fine processing device for a generator rotor main shaft according to claim 2 is characterized in that: The left and right sides of the two side plates (4) are both fixedly connected to a fixed plate (5), and the two fixed plates (5) are both installed with a cylinder (6) on the opposite sides. The power output shafts of the two cylinders (6) pass through the adjacent fixed plates (5) and are fixedly connected to the adjacent movable plates (13).

4. The fine processing device for a generator rotor main shaft according to claim 1 is characterized in that: A placement box (7) is provided at the top of the rotor main shaft (24), a rectangular opening is provided at the bottom of the placement box (7), openings are provided on both the left and right sides of the rectangular opening, the openings and the rectangular opening are interpenetrating, soft baffles (12) are installed on both the left and right sides of the placement box (7), the corresponding sides of the two soft baffles (12) pass through the openings and extend to the inner cavity of the rectangular opening, a linkage plate (27) is fixedly connected to the top of the clamping plate (23), and the top of the linkage plate (27) is fixedly connected to the bottom of the soft baffle (12).

5. The device for fine processing of a generator rotor main shaft according to claim 4, characterized in that: The placement box (7) is fixedly connected to a connecting plate (11) at the center of both front and rear sides; the top of the collection box (1) is fixedly connected to an L-shaped fixing plate (2) near the front and rear sides; the two L-shaped fixing plates (2) are fixedly connected to a top plate (10) on one side corresponding to each other; the bottom of the top plate (10) is fixedly connected to an electric telescopic rod (9) near the left and right sides; the bottom ends of the two electric telescopic rods (9) are fixedly connected to a movable box (8); and the placement box (7) has a limiting groove at the center of both front and rear sides of the inner cavity.

6. The fine processing device for a generator rotor main shaft according to claim 5 is characterized in that: The bottom of the movable box (8) is fixedly connected to a fixed frame (17), the bottom of the movable box (8) is plugged with a plurality of discharge pipes, the plurality of discharge pipes are linearly arranged in sequence from left to right, the bottom of the fixed frame (17) is fixedly connected to a mounting plate (16), the inner cavity of the mounting plate (16) is provided with a plurality of sponge blocks (15), the plurality of sponge blocks (15) are linearly arranged in sequence from left to right, and the bottom end of the discharge pipe is plugged into the top of the sponge block (15).

7. The device for fine processing of a generator rotor main shaft according to claim 6, characterized in that: A spring (18) is sleeved on the outer side of the discharge pipe, the top end of the spring (18) is fixedly connected to the fixed frame (17), the bottom end of the spring (18) is fixedly connected to the mounting plate (16), the center of the front and rear sides of the movable box (8) are fixedly connected to limit plates (19), the limit plates (19) are slidably connected to the limit grooves, the rear side of the L-shaped fixed plate (2) located at the front side is fixedly connected to the cleaning machine (3), and the front side of the L-shaped fixed plate (2) located at the rear side is fixedly connected to the arc-shaped baffle (14).

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