Online machining structure for fan main shaft bearing

Abstract

The online machining structure comprises an L-shaped fixing plate, a liquid nitrogen box is fixedly connected to one side of the L-shaped fixing plate, a bottom plate is fixedly connected to the position, close to the bottom, of the right side of the liquid nitrogen box, two side plates are fixedly connected to the top of the bottom plate, and the two side plates are symmetrically arranged front and back; a transmission rod is arranged in inner cavities of the two side plates in a jointly penetrating mode, and two hinge blocks are connected to the outer side of the transmission rod in a sleeving mode. Parts such as a part fixing piece, a liquid nitrogen box, a protective cover, the hinge blocks, the side plates, a bottom plate, an overturning plate, an L-shaped connecting plate, a meshing plate, a lead screw, a lifting block, a worm gear, a motor, a worm, a vertical plate and the transmission rod are matched with one another; the bearing can be automatically put into the liquid nitrogen box to be frozen, the frozen bearing is conveyed, the installation difficulty caused by interference fit between the bearing and a main shaft hole is reduced, and meanwhile it is guaranteed that the good fixing and sealing performance can be kept after the bearing is installed.

Description

Technical Field

[0001] The invention relates to the technical field of metal processing, in particular to an online processing structure for a fan main shaft bearing. Background Art

[0002] Metal processing is a process technology that processes metal materials into objects, parts, and components, and wind turbine main shaft bearing processing is a type of metal processing. Bearings are an important component in contemporary mechanical equipment and are known as the "joints" of mechanical equipment. Their main functions are to support rotating shafts or other moving bodies, guide rotation or movement, and withstand loads transmitted by the shaft or parts on the shaft. Wind turbine main shaft bearings specifically refer to bearings used to support the wind turbine main shaft. They are mainly used to connect the hub and the gearbox, and transmit the kinetic energy generated by the blades to the gearbox. They are important components of wind turbines.

[0003] Most of the existing bearings are placed on the bearing seat when installed on the fan main shaft. Make sure that the bearing is completely aligned with the seat hole, use a suitable tool to gently tap the outer ring of the bearing to make it evenly enter the bearing seat hole. Although this installation method saves time and effort, it is too dependent on the work experience of the installer. If the installer lacks installation experience, the knocking force may be too large, resulting in bearing damage. Summary of the invention

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] The online processing structure of the fan main shaft bearing comprises an L-shaped fixed plate, one side of the L-shaped fixed plate is fixedly connected to a liquid nitrogen box, the right side of the liquid nitrogen box is fixedly connected to a bottom plate near the bottom, the top of the bottom plate is fixedly connected to two side plates, the two side plates are symmetrically arranged front and back, a transmission rod is commonly penetrated through the inner cavities of the two side plates, two hinge blocks are sleeved on the outer side of the transmission rod, the two hinge blocks are symmetrically arranged front and back, the bottoms of the two hinge blocks are fixedly connected to the bottom plate, the two side plates are located between the two hinge blocks, a motor is provided on the front side of the bottom plate, the power output shaft of the motor is fixedly connected to the front end of the transmission rod, two worms are fixedly sleeved on the outer side of the transmission rod, the two worms are symmetrically arranged front and back, and protective covers are fixedly connected to the opposite sides of the two side plates.

[0006] Preferably, an annular opening is provided on the corresponding side of the two protective covers, and a worm gear is provided at the bottom of the two protective covers, the worm gear is meshed with the worm, a screw rod is fixedly connected at the center of the top circle of the worm gear, the top end of the screw rod passes through the bottom of the protective cover and extends to the inner cavity, a lifting block is meshed near the center of the outer side of the screw rod, and a cross bar is movably connected to the corresponding side of the two lifting blocks, and the corresponding ends of the two cross bars pass through the annular opening, and the corresponding ends of the two cross bars are jointly fixedly connected to a flip plate.

[0007] Preferably, a fixing piece is fixedly connected to the right side of the protective cover at the rear side near the top, an engaging plate is fixedly sleeved on the outer side of the cross bar at the rear side, a vertical plate is fixedly connected to the front side of the fixing piece, and an engaging groove is opened on the left side of the vertical plate near the top.

[0008] Preferably, an L-shaped connecting plate is fixedly connected to the top of the flip plate, a circular opening is opened near the left side of the top of the flip plate, an upper cylinder is fixedly sleeved on the inner cavity of the L-shaped connecting plate, a plurality of swing plates are hinged on the bottom end of the upper cylinder, a plurality of the swing plates are cross-shaped, a plurality of the swing plates are fixedly connected to the tops of the plurality of reeds, and the tops of a plurality of the reeds are fixedly connected to the upper cylinder.

[0009] Preferably, an annular mounting plate is fixedly connected to the other side of the L-shaped fixing plate, a circular plate is fixedly connected to the right side of the annular mounting plate, a plurality of guide openings are opened on the right side of the circular plate, and the plurality of guide openings are cross-shaped. A supporting cylinder is installed on the right side of the annular mounting plate, and a movable plate is fixedly connected to the right end of the supporting cylinder.

[0010] Preferably, a plurality of cranks are hinged on the right side of the movable plate, and a plurality of the cranks are cross-shaped. A fitting plate is hinged on the right end of a plurality of the cranks. A movable plate is fixedly connected to the right side of the fitting plate. A plurality of the movable plates pass through adjacent guide openings. The right side of the fitting plate is fitted with a circular plate, and a semicircular plate is fixedly connected to the right side of a plurality of the movable plates.

[0011] Preferably, several of the semicircular plates are fixedly connected with a clamp on the right side near the center of the circular plate, several corresponding sides of the clamps are jointly fitted with a main shaft, several of the semicircular plates are fixedly connected with an arc guide plate on the right side away from the center of the circular plate, and the main shaft is located between the arc guide plates.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The present invention can automatically put the bearing into the liquid nitrogen box for freezing and transfer the frozen bearing through the mutual cooperation among the component fixing parts, liquid nitrogen box, protective cover, hinge block, side plate, bottom plate, flip plate, L-shaped connecting plate, meshing plate, screw rod, lifting block, worm gear, motor, worm, vertical plate, transmission rod and other components, thereby reducing the installation difficulties caused by the interference fit between the bearing and the spindle hole, and ensuring that the bearing can maintain good fixing and sealing performance after installation.

[0014] 2. The present invention can fix and clamp the fan main shaft through the mutual cooperation between the components such as the annular mounting plate, circular plate, supporting cylinder, arc guide plate, movable plate, crank, semicircular plate, bonding plate, movable plate, clamping plate, etc., and when the bearing is frozen, it can be placed between several arc guide plates to prevent the bearing from shifting during installation, thereby improving the bearing installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] Figure 2 It is a left view of the component moving plate structure of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the L-shaped fixing plate component of the present invention;

[0018] Figure 4 This is a schematic diagram of the bottom plate structure of the component of the present invention;

[0019] Figure 5 This is a schematic diagram of the structure of the flip plate component of the present invention;

[0020] Figure 6 It is a schematic diagram of the upper cylinder structure of the component of the present invention.

[0021] Numbers in the figure: 1. L-shaped fixing plate; 2. Annular mounting plate; 3. Support cylinder; 4. Circular plate; 5. Arc guide plate; 6. Upper cylinder; 7. L-shaped connecting plate; 8. Flip plate; 9. Fixing piece; 10. Vertical plate; 11. Protective cover; 12. Liquid nitrogen tank; 13. Motor; 14. Worm; 15. Side plate; 16. Bottom plate; 17. Moving plate; 18. Crank; 19. Semicircular plate; 20. Fitting plate; 21. Movable plate; 22. Clamp; 23. Articulated block; 24. Worm gear; 25. Screw; 26. Meshing plate; 27. Lifting block; 28. Reed; 29. ​​Swinging plate. DETAILED DESCRIPTION

[0022] See also Figure 1-6The present invention provides a technical solution: an online processing structure for a fan main shaft bearing, comprising an L-shaped fixed plate 1, a liquid nitrogen box 12 is fixedly connected to one side of the L-shaped fixed plate 1, a bottom plate 16 is fixedly connected to the right side of the liquid nitrogen box 12 near the bottom, two side plates 15 are fixedly connected to the top of the bottom plate 16, the two side plates 15 are symmetrically arranged front and back, a transmission rod is commonly penetrated through the inner cavity of the two side plates 15, two hinge blocks 23 are sleeved on the outer side of the transmission rod, the two hinge blocks 23 are symmetrically arranged front and back, and the bottom of the two hinge blocks 23 The two side plates 15 are fixedly connected to the bottom plate 16, and the two side plates 15 are located between the two hinge blocks 23. The front side of the bottom plate 16 is provided with a motor 13, and the power output shaft of the motor 13 is fixedly connected to the front end of the transmission rod. Two worms 14 are fixedly sleeved on the outer side of the transmission rod. The two worms 14 are symmetrically arranged front and back. The two side plates 15 are fixedly connected to the opposite sides of the two side plates 15. The corresponding sides of the two protection covers 11 are provided with annular openings. The bottoms of the two protection covers 11 are provided with worm wheels 24, which are meshed with the worm wheels 14. A screw rod 25 is fixedly connected at the center of the top of the worm wheel 24. The top of the screw rod 25 passes through the bottom of the protective cover 11 and extends to the inner cavity. A lifting block 27 is meshed near the center of the outer side of the screw rod 25. The corresponding sides of the two lifting blocks 27 are movably connected with cross bars. The corresponding ends of the two cross bars pass through the annular opening. The corresponding ends of the two cross bars are commonly fixedly connected with a flip plate 8. A fixing piece 9 is fixedly connected to the right side of the protective cover 11 near the top at the rear side. A meshing piece is fixedly sleeved on the outer side of the cross bar at the rear side. The front side of the fixing member 9 is fixedly connected to the vertical plate 10, and an engaging groove is provided at the left side of the vertical plate 10 near the top. The top of the flip plate 8 is fixedly connected to the L-shaped connecting plate 7, and a round opening is provided at the top of the flip plate 8 near the left side. The inner cavity of the L-shaped connecting plate 7 is fixedly sleeved with the upper cylinder 6. The bottom end of the upper cylinder 6 is hinged with a plurality of swing plates 29, and the plurality of swing plates 29 are cross-shaped. The tops of the plurality of swing plates 29 are fixedly connected with reeds 28, and the tops of the plurality of reeds 28 are fixedly connected to the upper cylinder 6.

[0023] A ring-shaped mounting plate 2 is fixedly connected to the other side of the L-shaped fixed plate 1, a circular plate 4 is fixedly connected to the right side of the ring-shaped mounting plate 2, a plurality of guide openings are opened on the right side of the circular plate 4, and the plurality of guide openings are cross-shaped. A supporting cylinder 3 is installed on the right side of the ring-shaped mounting plate 2, a movable plate 17 is fixedly connected to the right end of the supporting cylinder 3, a plurality of cranks 18 are hinged on the right side of the movable plate 17, a plurality of cranks 18 are cross-shaped, and a plurality of cranks 18 are hinged on the right ends of the plurality of cranks 18. A movable plate 21 is fixedly connected to the right side of the fitting plate 20, and a plurality of movable plates 21 all pass through adjacent guide openings, and the right side of the fitting plate 20 is fitted with the circular plate 4, and a plurality of movable plates 21 are fixedly connected to the right side with semicircular plates 19, and a plurality of semicircular plates 19 are fixedly connected to the right side with a clamping plate 22 near the center of the circular plate 4 on the right side, and a main shaft is commonly fitted on one side of the corresponding clamping plates 22, and an arc-shaped guide plate 5 is fixedly connected to the right side of the plurality of semicircular plates 19 away from the center of the circular plate 4, and the main shaft is located between the plurality of arc-shaped guide plates 5.

[0024] Working principle: First, put the fan main shaft between several arc-shaped guide plates 5, and start the supporting cylinder 3 to drive the movable plate 17 to move to the left. When the movable plate 17 moves to the left, it can drive the adjacent movable plates 21 to move toward each other along the guide opening through several cranks 18. When the movable plates 21 move toward each other, they can drive the adjacent semicircular plates 19 to move toward each other. The semicircular plates 19 drive the adjacent clamping plates 22 to fix and clamp the fan main shaft. After the fan main shaft is fixed, the bearing to be installed can be fitted with the bottom of several swing plates 29 and moved upward. At this time, several swing plates 29 are flipped toward each other so that the bottom of the bearing fits with several swing plates 29, thereby completing the purpose of fixing the bearing, and then start The upper cylinder 6 drives the bearing to move downward and enter the inner cavity of the liquid nitrogen box 12 to freeze the bearing. When the bearing is frozen, the upper cylinder 6 drives the bearing to move upward and starts the motor 13. When the motor 13 is started, the power output shaft can drive the transmission rod to rotate. The rotation of the transmission rod can drive the two worms 14 to rotate. When the worm 14 rotates, it can drive the worm wheel 24 to rotate. When the worm wheel 24 rotates, it can drive the screw rod 25 to rotate. The rotation of the screw rod 25 can drive the lifting block 27 to move upward and make the meshing plate 26 mesh with the meshing groove, so that the flip plate 8 is flipped ninety degrees. When the flip plate 8 is flipped, the upper cylinder 6 is started again to send the frozen bearing between the plurality of arc guide plates 5 to complete the positioning for easy installation.

Claims

1. A fan main shaft bearing online processing structure, comprising an L-shaped fixing plate (1), characterized in that: A liquid nitrogen box (12) is fixedly connected to one side of the L-shaped fixed plate (1), a bottom plate (16) is fixedly connected to the right side of the liquid nitrogen box (12) near the bottom, two side plates (15) are fixedly connected to the top of the bottom plate (16), the two side plates (15) are symmetrically arranged front and back, a transmission rod is commonly penetrated through the inner cavity of the two side plates (15), two hinge blocks (23) are sleeved on the outer side of the transmission rod, the two hinge blocks (23) are symmetrically arranged front and back, the bottoms of the two hinge blocks (23) are fixedly connected to the bottom plate (16), the two side plates (15) are located between the two hinge blocks (23), a motor (13) is provided on the front side of the bottom plate (16), the power output shaft of the motor (13) is fixedly connected to the front end of the transmission rod, two worm gears (14) are fixedly sleeved on the outer side of the transmission rod, the two worm gears (14) are symmetrically arranged front and back, and the two sides of the two side plates (15) that are separated from each other are fixedly connected to a protective cover (11).

2. The online processing structure for fan main shaft bearing according to claim 1 is characterized in that: An annular opening is provided on one side corresponding to the two protective covers (11), and a worm wheel (24) is provided at the bottom of the two protective covers (11). The worm wheel (24) meshes with the worm (14), and a screw rod (25) is fixedly connected at the center of the top of the worm wheel (24). The top of the screw rod (25) passes through the bottom of the protective cover (11) and extends to the inner cavity. A lifting block (27) is meshed near the center of the outer side of the screw rod (25). A cross bar is movably connected to one side corresponding to the two lifting blocks (27), and one end corresponding to the two cross bars passes through the annular opening, and one end corresponding to the two cross bars is fixedly connected to a flip plate (8) together.

3. The online processing structure for fan main shaft bearing according to claim 2 is characterized in that: A fixing member (9) is fixedly connected to the right side of the protective cover (11) at the rear side near the top, an engaging plate (26) is fixedly sleeved on the outer side of the cross bar at the rear side, a vertical plate (10) is fixedly connected to the front side of the fixing member (9), and an engaging groove is provided on the left side of the vertical plate (10) near the top.

4. The online processing structure for fan main shaft bearing according to claim 3 is characterized in that: The top of the flip plate (8) is fixedly connected to an L-shaped connecting plate (7), and a circular opening is opened near the left side of the top of the flip plate (8). The inner cavity of the L-shaped connecting plate (7) is fixedly sleeved with an upper cylinder (6), and the bottom end of the upper cylinder (6) is hinged with a plurality of swing plates (29), and the plurality of swing plates (29) are arranged in a cross shape. The tops of the plurality of swing plates (29) are fixedly connected to reeds (28), and the top ends of the plurality of reeds (28) are fixedly connected to the upper cylinder (6).

5. The fan main shaft bearing online processing structure according to claim 4 is characterized in that: The other side of the L-shaped fixed plate (1) is fixedly connected to an annular mounting plate (2), the right side of the annular mounting plate (2) is fixedly connected to a circular plate (4), the right side of the circular plate (4) is provided with a plurality of guide openings, the plurality of guide openings are arranged in a cross shape, a supporting cylinder (3) is installed on the right side of the annular mounting plate (2), and the right end of the supporting cylinder (3) is fixedly connected to a moving plate (17).

6. The fan main shaft bearing online processing structure according to claim 5 is characterized in that: The right side of the movable plate (17) is hinged with a plurality of cranks (18), and the plurality of cranks (18) are arranged in a cross shape. The right ends of the plurality of cranks (18) are hinged with a bonding plate (20). The right side of the bonding plate (20) is fixedly connected with a movable plate (21), and the plurality of movable plates (21) pass through adjacent guide openings. The right side of the bonding plate (20) is bonded with the circular plate (4), and the right sides of the plurality of movable plates (21) are fixedly connected with a semicircular plate (19).

7. The online processing structure for fan main shaft bearing according to claim 6 is characterized in that: A plurality of the semicircular plates (19) are fixedly connected to a clamping plate (22) at the right side close to the center of the circular plate (4), a main shaft is commonly attached to the corresponding side of the plurality of the clamping plates (22), and an arc-shaped guide plate (5) is fixedly connected to the right side of the plurality of the semicircular plates (19) away from the center of the circular plate (4), and the main shaft is located between the plurality of arc-shaped guide plates (5).

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