Gear shaft forging device for yaw system of wind turbine generator

By designing a gear shaft forging device including forging platform, hydraulic cylinder, slide chute and grinding wheel, the problem of gear shaft being unable to move during grinding and forging is solved, multi-position grinding and forging is achieved, and forging range and stability are improved.

CN223044222UActive Publication Date: 2025-07-01JIANGYIN HUAZHOU TEXTILE FITTINGS CHEM CO LTD
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Patent Information

Application Number
CN202421809698.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-07-01
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The existing gear shaft forging device positiones the gear shaft through a clamping mechanism, but after the gear shaft is clamped, it is impossible to move as needed during the grinding and forging process, resulting in only one position of grinding and forging, resulting in the limitations of gear shaft forging.

Method used

A gear shaft forging device for yaw system of wind turbines is designed, including forging platform, inner trough, lifting bracket, hydraulic cylinder, transverse slide chute, longitudinal slide chute, grinding wheel, roller slide, solenoid, screw hole load block and linkage screw, etc., the lifting bracket is driven by the hydraulic cylinder, the horizontal movable connection between the transverse load seat and the transverse slide chute, and the movable connection between the longitudinal slide seat and the longitudinal slide chute, realizing the horizontal and longitudinal adjustment of the grinding wheel.

Benefits of technology

By adjusting the grinding wheel in transverse and longitudinal directions, the gear shaft can be polished and forged in multiple positions, improving the range and stability of the polishing and forging, and overcoming the limitations of existing devices.

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Abstract

The utility model discloses a gear shaft forging device for a yaw system of a wind turbine generator, which relates to the technical field of gear shaft forging devices, and comprises a forging platform, an inner through groove is integrally formed in the forging platform, a lifting support table is arranged below the inner through groove, a scrap falling plate is arranged below the lifting support table, and the scrap falling plate is arranged below the inner through groove. The chipping falling plate is connected with the forging platform in a welded mode, and a hydraulic cylinder is arranged below the chipping falling plate. The gear shaft forging device further comprises a transverse sliding groove, the transverse sliding groove is formed in one side of the inner through groove, a transverse carrying seat is arranged at the upper end of the inner through groove, a longitudinal sliding table is integrally formed at the upper end of the transverse carrying seat, and a longitudinal sliding groove is formed in the longitudinal sliding table. However, the gear shaft cannot move as required in the polishing and forging process after being clamped, so that only one position can be polished and forged all the time, and the limitation of gear shaft forging is caused.
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Description

Technical Field

[0001] The utility model relates to the technical field of gear shaft forging devices, in particular to a gear shaft forging device for the yaw system of a wind turbine generator set. Background Technique

[0002] The yaw system of a wind turbine generator set is a device that makes the wind wheel face the main wind direction. Generally, it consists of a yaw bearing, a yaw drive device, a yaw brake, a yaw counter, a cable twisting protection device, and a yaw hydraulic circuit, etc. The gear shaft assembly of the yaw system of a wind turbine generator set needs to be polished during the forging production process.

[0003] For example, the publication number is: CN 219617317 U (named a grinding device for forging a gear shaft), including a workbench, the right side surface of the workbench is fixedly connected with a motor box, the front surface of the workbench is fixedly connected with a control panel, the upper surface of the workbench is fixedly connected with a grinding mechanism, a groove is opened on the upper surface of the workbench, a group of bearings are fixedly embedded on the inner wall of the groove, the inner rings of the two bearings are jointly fixedly connected with a left - right threaded shaft, the right end of the left - right threaded shaft penetrates through the machine box and extends to the inside of the machine box, a group of adjusting blocks are threadedly connected to the outer surface of the left - right threaded shaft, the upper surface of each adjusting block is fixedly connected with a support rod, the upper surface of each support rod is fixedly connected with an adjusting plate, the side surfaces of the two adjusting plates close to each other are fixedly connected with positioning plates, a group of sliding grooves are opened on the inner wall of the groove, a group of sliders are slidably connected to the inside of each sliding groove, and the side surfaces of the two sliders close to each other are connected to the outer surface of the adjusting block, a driving motor is fixedly installed inside the machine box through a frame, and the output end of the driving motor is connected to the right end of the left - right threaded shaft.

[0004] The above - mentioned gear shaft forging device positions the gear shaft through the provided clamping mechanism, but after the gear shaft is clamped, it cannot move as needed during the grinding and forging process, resulting in that only one position can be ground and forged all the time, causing limitations in gear shaft forging. For this reason, we provide a gear shaft forging device for the yaw system of a wind turbine generator set. Content of the Utility Model

[0005] The purpose of the utility model is to provide a gear shaft forging device for the yaw system of a wind turbine generator set, so as to solve the problem proposed in the above - mentioned background technique that the existing gear shaft forging device positions the gear shaft through the provided clamping mechanism, but after the gear shaft is clamped, it cannot move as needed during the grinding and forging process, resulting in that only one position can be ground and forged all the time, causing limitations in gear shaft forging.

[0006] To achieve the above object, the present utility model provides the following technical solutions: a forging device for a gear shaft of a yaw system of a wind turbine, including a forging platform. An inner through groove is integrally formed inside the forging platform. A lifting support table is arranged below the inner through groove. A debris falling plate is arranged below the lifting support table. The debris falling plate is welded to the forging platform. A hydraulic cylinder is arranged below the debris falling plate;

[0007] It further includes:

[0008] A transverse sliding groove, which is arranged at one side position of the inner through groove. A transverse carrier seat is arranged at the upper end of the inner through groove. A longitudinal sliding table is integrally formed at the upper end of the transverse carrier seat. A longitudinal sliding groove is arranged inside the longitudinal sliding table. A longitudinal sliding seat is arranged below the longitudinal sliding groove;

[0009] A grinding wheel, which is arranged at the front end position of the longitudinal sliding seat;

[0010] Roller sliders, which are arranged inside the transverse sliding groove and the longitudinal sliding groove. The two roller sliders are respectively welded to the bottom of the transverse carrier seat and the top of the longitudinal sliding seat. An electromagnet is embedded on the inner wall of the longitudinal sliding groove;

[0011] A screw hole carrier block, which is integrally formed at the upper end position of the lifting support table. There are two screw hole carrier blocks. A linkage screw is movably inserted through the two screw hole carrier blocks. A clamping block is arranged on one side of the screw hole carrier block.

[0012] Preferably, a power supply box and a switch are arranged on the rear end face of the transverse carrier seat. The output end of the power supply box is electrically connected to the input end of the switch. The output end of the switch is electrically connected to the input end of the electromagnet.

[0013] Preferably, the roller slider inside the longitudinal sliding groove is adsorbed and fixedly connected to the longitudinal sliding table through the electromagnet. The length of the electromagnet is equal to the length of the longitudinal sliding groove.

[0014] Preferably, a driving motor is arranged on the outer wall of the rear end of the longitudinal sliding seat. The output shaft of the driving motor penetrates through the longitudinal sliding seat and is in transmission connection with the grinding wheel.

[0015] Preferably, turning handles and connecting rotating heads are respectively welded at both ends of the linkage screw. A limiting rotating groove is arranged at the movable connection position between the connecting rotating head and the clamping block. The limiting rotating groove and the clamping block are of an integral structure.

[0016] Preferably, a grasping handle is arranged at the top position of the transverse carrier seat. The grasping handle and the transverse carrier seat are of an integral structure.

[0017] Preferably, the piston rod of the hydraulic cylinder penetrates through the debris falling plate and is fixedly connected to the bottom of the lifting support table through screws.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] 1. The present utility model can drive the lifting platform to perform lifting adjustment through a hydraulic cylinder, so that the gear shaft reaches the grinding position of the grinding wheel. Through the lateral movable connection between the lateral carrier and the lateral chute, the grinding wheel can be laterally adjusted. Through the movable connection between the longitudinal sliding seat and the longitudinal chute, the grinding wheel can be longitudinally adjusted. By adjusting the grinding wheel horizontally and longitudinally, the grinding wheel can perform movable grinding on the gear shaft, improving the range of grinding and forging, and overcoming the problem that the existing gear shaft forging device positions the gear shaft through the clamping mechanism provided, but the gear shaft cannot move as needed during the grinding and forging process after being clamped, resulting in the limitation that only one position can be ground and forged all the time, causing limitations in gear shaft forging.

[0020] 2. During the grinding process, the switch can be pressed to make the power supply box supply power to the electromagnet, so that the electromagnet adsorbs and locks the longitudinal sliding seat, thereby ensuring that the longitudinal position of the grinding wheel remains unchanged during the horizontal adjustment, improving the stability during the grinding and forging process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the front view of the structure of the gear shaft forging device for the yaw system of the wind turbine of the present utility model;

[0022] Figure 2 is the schematic diagram of the connection structure between the linkage screw and the clamping block of the present utility model;

[0023] Figure 3 is the schematic diagram of the internal structure of the longitudinal sliding table of the present utility model;

[0024] Figure 4 is the side view of the structure of the gear shaft forging device for the yaw system of the wind turbine of the present utility model;

[0025] In the figure: 1. forging platform; 2. inner through groove; 3. debris falling plate; 4. hydraulic cylinder; 5. lifting platform; 6. lateral chute; 7. lateral carrier; 8. longitudinal sliding table; 9. power supply box; 10. longitudinal sliding seat; 11. grinding wheel; 12. clamping block; 13. grasping handle; 14. screw hole carrier block; 15. linkage screw; 16. turning handle; 17. connecting rotating head; 18. limiting rotating groove; 19. longitudinal chute; 20. roller slider; 21. electromagnet; 22. switch; 23. driving motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0027] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a forging device for a gear shaft of a yaw system of a wind turbine, including a forging platform 1, an inner through groove 2 is integrally formed inside the forging platform 1, a lifting support platform 5 is arranged below the inner through groove 2, a debris falling plate 3 is arranged below the lifting support platform 5, the debris falling plate 3 is welded to the forging platform 1, and a hydraulic cylinder 4 is arranged below the debris falling plate 3;

[0028] It also includes:

[0029] A transverse chute 6, which is arranged on one side of the inner through groove 2, a transverse carrier 7 is arranged at the upper end of the inner through groove 2, a longitudinal sliding table 8 is integrally formed at the upper end of the transverse carrier 7, a longitudinal chute 19 is arranged inside the longitudinal sliding table 8, and a longitudinal sliding seat 10 is arranged below the longitudinal chute 19;

[0030] A grinding wheel 11, which is arranged at the front end of the longitudinal sliding seat 10;

[0031] Roller sliders 20, which are arranged inside the transverse chute 6 and the longitudinal chute 19, the two roller sliders 20 are respectively welded to the bottom of the transverse carrier 7 and the top of the longitudinal sliding seat 10, and an electromagnet 21 is embedded on the inner wall of the longitudinal chute 19;

[0032] A threaded hole carrier block 14, which is integrally formed at the upper end of the lifting support platform 5, there are two threaded hole carrier blocks 14, and a linkage screw rod 15 is movably inserted through the two threaded hole carrier blocks 14, and a clamping block 12 is arranged on one side of the threaded hole carrier block 14.

[0033] During use, the hydraulic cylinder can drive the lifting support platform to perform lifting adjustment, so that the gear shaft reaches the grinding position of the grinding wheel. Through the transverse movable connection between the transverse carrier and the transverse chute, the grinding wheel can be transversely adjusted. Through the movable connection between the longitudinal sliding seat and the longitudinal chute, the grinding wheel can be longitudinally adjusted. By adjusting the grinding wheel horizontally and longitudinally, the grinding wheel can perform movable grinding on the gear shaft.

[0034] Please refer to Figure 3 , a power supply box 9 and a switch 22 are arranged on the rear end face of the transverse carrier 7, the output end of the power supply box 9 is electrically connected to the input end of the switch 22, and the output end of the switch 22 is electrically connected to the input end of the electromagnet 21. The power supply box 9 and the switch 22 arranged on the rear end face of the transverse carrier 7 play a role of supplying power to the electromagnet 21.

[0035] Please refer to Figure 3 , the roller slider 20 inside the longitudinal chute 19 is adsorbed and fixedly connected to the longitudinal sliding table 8 through the electromagnet 21, and the length of the electromagnet 21 is equal to the length of the longitudinal chute 19.

[0036] Please refer to Figure 1 and Figure 4 , a driving motor 23 is provided on the outer wall of the rear end of the longitudinal sliding seat 10. The output shaft of the driving motor 23 penetrates through the longitudinal sliding seat 10 and is in transmission connection with the grinding wheel 11. The driving motor 23 provided on the outer wall of the rear end of the longitudinal sliding seat 10 functions to drive the grinding wheel 11 to rotate.

[0037] Please refer to Figure 2 , a turning handle 16 and a connecting rotating head 17 are respectively welded at both ends of the linkage screw 15. A limiting rotating groove 18 is provided at the movable connection position between the connecting rotating head 17 and the clamping block 12. The limiting rotating groove 18 and the clamping block 12 are of an integral structure. The turning handle 16 and the connecting rotating head 17 respectively welded at both ends of the linkage screw 15 function to facilitate the forward and reverse rotation of the linkage screw 15 and the pushing and connecting of the clamping block 12.

[0038] Please refer to Figure 1 , a grasping handle 13 is provided at the top of the transverse carrier 7. The grasping handle 13 and the transverse carrier 7 are of an integral structure. The grasping handle 13 provided at the top of the transverse carrier 7 functions to facilitate the grasping of the transverse sliding of the transverse carrier 7.

[0039] Please refer to Figure 1 , the piston rod of the hydraulic cylinder 4 penetrates through the debris dropping plate 3 and is fixedly connected to the bottom of the lifting platform 5 by screws.

[0040] Working principle: During use, place the gear shaft to be forged and ground on the upper end of the lifting platform 5, then operate the turning handle 16 forward and backward to drive the linkage screw 15 to rotate forward and backward. The forward and backward rotation of the linkage screw 15 drives the clamping block 12 to move horizontally, so as to clamp and fix gear shafts of different sizes between the two clamping blocks 12. The hydraulic cylinder 4 can drive the lifting platform 5 to perform lifting adjustment, so that the gear shaft reaches the grinding position of the grinding wheel 11. Through the transverse movable connection between the transverse carrier 7 and the transverse chute 6, the grinding wheel 11 can be transversely adjusted. Through the movable connection between the longitudinal sliding seat 10 and the longitudinal chute 19, the grinding wheel 11 can be longitudinally adjusted. By transversely and longitudinally adjusting the grinding wheel 11, the grinding wheel can actively grind the gear shaft, improving the grinding and forging range. During the grinding process, the switch 22 can be pressed to make the power supply box 9 supply power to the electromagnet 21, so that the electromagnet 21 adsorbs and locks the longitudinal sliding seat 10, thus ensuring that the longitudinal position of the grinding wheel 11 remains unchanged during transverse adjustment and improving the stability during the grinding and forging process, and completing the use of the forging device for the gear shaft of the wind turbine yaw system.

[0041] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A gear shaft forging device for a yaw system of a wind turbine, comprising a forging platform (1), wherein an inner through groove (2) is integrally formed inside the forging platform (1), a lifting support platform (5) is provided below the inner through groove (2), a debris drop plate (3) is provided below the lifting support platform (5), the debris drop plate (3) is welded to the forging platform (1), and a hydraulic cylinder (4) is provided below the debris drop plate (3); Features: Also includes: a transverse slide groove (6) arranged at one side of the inner through groove (2); a transverse carrier (7) being arranged at the upper end of the inner through groove (2); a longitudinal slide table (8) being integrally formed at the upper end of the transverse carrier table (7); a longitudinal slide groove (19) being arranged inside the longitudinal slide table (8); and a longitudinal slide seat (10) being arranged below the longitudinal slide groove (19); A grinding wheel (11) disposed at the front end of the longitudinal slide seat (10); A roller slider (20) is arranged inside the transverse slide groove (6) and the longitudinal slide groove (19), the two roller sliders (20) are respectively welded to the bottom of the transverse carrier (7) and the top of the longitudinal slide groove (10), and an electromagnet (21) is embedded on the inner wall of the longitudinal slide groove (19); A screw hole carrier block (14) is integrally formed and arranged at the upper end of the lifting support platform (5), two screw hole carrier blocks (14) are provided, and a linkage screw rod (15) is movably arranged inside the two screw hole carrier blocks (14), and a clamping block (12) is arranged on one side of the screw hole carrier block (14).

2. The gear shaft forging device for the yaw system of a wind turbine according to claim 1, characterized in that: A power box (9) and a switch (22) are provided on the rear end surface of the transverse carrier (7); the output end of the power box (9) is electrically connected to the input end of the switch (22); and the output end of the switch (22) is electrically connected to the input end of the electromagnet (21).

3. The gear shaft forging device for the yaw system of a wind turbine according to claim 1, characterized in that: The roller slider (20) inside the longitudinal slide groove (19) is adsorbed and fixedly connected to the longitudinal slide table (8) via an electromagnet (21), and the length of the electromagnet (21) is equal to the length of the longitudinal slide groove (19).

4. The gear shaft forging device for the yaw system of a wind turbine according to claim 1, characterized in that: A driving motor (23) is arranged on the rear end outer wall of the longitudinal slide (10), and an output shaft of the driving motor (23) passes through the longitudinal slide (10) and is drivingly connected to the grinding wheel (11).

5. The gear shaft forging device for the yaw system of a wind turbine according to claim 1, characterized in that: A turning handle (16) and a connecting turning head (17) are respectively welded at both ends of the linkage screw rod (15); a limit turning groove (18) is provided at the movable connection position between the connecting turning head (17) and the clamping block (12); the limit turning groove (18) and the clamping block (12) are an integral structure.

6. The gear shaft forging device for the yaw system of a wind turbine according to claim 1, characterized in that: A grab handle (13) is provided at the top of the transverse carrier (7), and the grab handle (13) and the transverse carrier (7) are an integral structure.

7. The gear shaft forging device for the yaw system of a wind turbine according to claim 1, characterized in that: The piston rod of the hydraulic cylinder (4) passes through the debris drop plate (3) and is fixedly connected to the bottom of the lifting support platform (5) via screws.

Citation Information

Patent Citations

  • Polishing equipment for gear shaft forging

    CN219617317U