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CN-224228784-U - Wind turbine generator system driftage layer greasy dirt collection mechanism

CN224228784UCN 224228784 UCN224228784 UCN 224228784UCN-224228784-U

Abstract

The utility model relates to the technical field of wind turbines, in particular to a wind turbine yaw layer oil stain collecting mechanism, which comprises a tower, wherein a flange is welded and sleeved at the top end of the tower, a yaw bearing is arranged at the top of the flange, a bottom plate is arranged at the top of the yaw bearing, the yaw bearing is divided into an outer collar and an inner collar, a plurality of first bolts are inserted between the outer collar and the flange in a circular array manner in a penetrating manner, a plurality of second bolts are inserted between the bottom plate and the inner collar in a circular array manner, teeth are arranged on the outer wall of the outer collar, and driving mechanisms which are meshed and connected with the teeth on the outer wall of the outer collar are arranged at four corners of the top of the bottom plate.

Inventors

  • ZHOU RAN
  • WANG SHAOHUA

Assignees

  • 东台市众正电力工程服务有限公司

Dates

Publication Date
20260512
Application Date
20250702

Claims (7)

  1. 1. The utility model provides a mechanism is collected to wind turbine generator system driftage layer greasy dirt, includes tower section of thick bamboo (1), a serial communication port, the top welding cover of tower section of thick bamboo (1) is equipped with flange (2), installs yaw bearing (3) at the top of flange (2), installs bottom plate (4) at the top of yaw bearing (3), yaw bearing (3) divide into outer axle ring (31) and interior axle ring (32), it has a plurality of first bolts (311) to be circular array formula to run through grafting between outer axle ring (31) and flange (2), it has a plurality of second bolts (322) to be circular array formula grafting between bottom plate (4) and interior axle ring (32), the outer wall of outer axle ring (31) is provided with the tooth, actuating mechanism (5) that are connected with outer axle ring (31) outer wall tooth meshing are all installed at four corners at bottom plate (4) top, oil coupling ring (6) that are located outer axle ring (31) below are installed to the lateral wall of flange (2), and oil coupling assembly (8) that are connected with oil coupling ring (6) are all installed to the bottom of every actuating mechanism (5).
  2. 2. The wind turbine yaw layer oil stain collecting mechanism of claim 1, wherein a collecting groove is formed in the top of the oil receiving ring (6), the collecting groove is located right below teeth on the outer side of the outer collar (31), four oil outlet pipes (9) communicated with the collecting groove are formed in the bottom of the oil receiving ring (6), collecting pipes (10) are sleeved at the bottom ends of the oil outlet pipes (9) in a threaded mode, and the thickness of the inner ring wall of the oil receiving ring (6) is gradually reduced from bottom to top.
  3. 3. The wind turbine yaw layer oil stain collection mechanism according to claim 1, wherein the driving mechanism (5) comprises a motor (51) and a gear (52), the motor (51) is installed at the corner of the top of the base plate (4), the telescopic end of the motor (51) penetrates through the base plate (4), the gear (52) is installed at the output end of the motor (51), and the side wall of the gear (52) is connected with teeth of the outer wall of the outer shaft collar (31) in a meshed mode.
  4. 4. The wind turbine yaw layer oil stain collecting mechanism according to claim 3, wherein the oil receiving component (8) comprises an oil receiving disc (81), a connecting bearing (82), a rod shaft (83) and a fixing plate (84), the top end of the rod shaft (83) is fixedly connected to the axis of the bottom of the gear (52), the oil receiving disc (81) is located under the gear (52), the connecting bearing (82) is installed at the center of the top of the oil receiving disc (81), the inner ring of the connecting bearing (82) is fixedly connected with the bottom end of the rod shaft (83), an opening is formed in one side, close to the outer collar (31), of the oil receiving disc (81), and the fixing plate (84) is installed at the bottom of the opening end of the oil receiving disc (81).
  5. 5. The wind turbine yaw layer oil stain collecting mechanism of claim 4, wherein the open end of the oil receiving disc (81) is located above the oil receiving ring (6), the fixing plate (84) is located in the oil receiving ring (6), the fixing plate (84) is in an arc shape, the circle center of the fixing plate (84) and the circle center of the oil receiving ring (6) are located on the same vertical axis, a plurality of ball grooves are formed in the outer side of the fixing plate (84) at equal intervals, rotatable balls (85) are arranged in each ball groove, and the portion, extending out of the ball grooves, of each ball (85) is in contact with the outer ring of the inner wall of the oil receiving ring (6).
  6. 6. The wind turbine yaw layer oil stain collecting mechanism according to claim 1, wherein oil scraping assemblies (7) extending into the oil receiving rings (6) are mounted at the centers of four ends of the bottom plate (4), the oil scraping assemblies (7) comprise connecting rods (71) and scraping plates (72), the top ends of the connecting rods (71) are connected to the bottom of the bottom plate (4), the bottom ends of the connecting rods (71) extend into the oil receiving rings (6), the scraping plates (72) are fixed to the bottom ends of the connecting rods (71), and the bottom and two sides of the scraping plates (72) are attached to the inner walls of the oil receiving rings (6).
  7. 7. The wind turbine yaw layer oil stain collection mechanism of claim 1, wherein the bottom of the outer collar (31) is higher than the bottom of the inner collar (32), and the top of the outer collar (31) is lower than the top of the inner collar (32).

Description

Wind turbine generator system driftage layer greasy dirt collection mechanism Technical Field The utility model relates to the technical field of wind turbines, in particular to a wind turbine yaw layer oil stain collecting mechanism. Background The yaw mechanism is an important component of the wind generating set, is mainly used for adjusting the direction of the wind wheel to always align the wind direction, and ensures that the wind wheel always maintains the optimal wind capturing state under the complex wind condition through the accurate wind direction tracking and stable mechanical structure, thus being an indispensable ring in the modern wind power generation technology. In the technical field of the existing wind turbine generator, grease leakage can be caused by friction at the positions of an outer shaft ring of a yaw bearing, gears of a driving device and the like in the long-term operation process of the yaw system of the wind turbine generator, however, the traditional grease collecting mechanism is low in grease collecting efficiency of a yaw layer, and the positions of the gears of the driving device can be changed along with the change of a yaw angle, so that grease at the gears of the driving device is inconvenient to collect, grease at the surfaces of the gears can drop onto the surfaces of a yaw platform in the process of changing the positions of the gears, grease accumulation is easy to cause, and the maintenance cost of equipment is increased. Disclosure of utility model Aiming at the defects in the prior art, the utility model aims to provide a wind turbine yaw layer oil stain collecting mechanism for solving the problems in the prior art. In order to achieve the purpose, the oil stain collecting mechanism of the yaw layer of the wind turbine generator comprises a tower, a flange is welded and sleeved at the top end of the tower, a yaw bearing is arranged at the top of the flange, a bottom plate is arranged at the top of the yaw bearing, the yaw bearing is divided into an outer collar and an inner collar, a plurality of first bolts penetrate and are connected between the outer collar and the flange in a circular array mode, a plurality of second bolts penetrate and are connected between the bottom plate and the inner collar in a circular array mode, teeth are arranged on the outer wall of the outer collar, driving mechanisms meshed and connected with the teeth of the outer wall of the outer collar are arranged at four corners of the top of the bottom plate, an oil receiving ring is arranged on the side wall of the flange and positioned below the outer collar, and an oil receiving assembly connected with the oil receiving ring is arranged at the bottom of each driving mechanism. Optionally, the oil collecting ring top is provided with the collecting vat, and the collecting vat is located the outer side tooth of outer spindle under, and four oil outlet pipes with the collecting vat intercommunication have been seted up to the bottom of oil collecting ring, and the equal thread bush in bottom of oil outlet pipe is equipped with the collecting pipe, and the thickness of oil collecting ring inner circle wall reduces gradually from the bottom up. Optionally, the actuating mechanism includes motor and gear, and the motor is installed in the corner at bottom plate top, and the flexible end of motor runs through the bottom plate, and the gear is installed in the output of motor, and the lateral wall of gear is connected with the tooth meshing of outer spindle ring outer wall. Optionally, connect oily subassembly including connecing the food tray, linking bearing, pole shaft and fixed plate, the top fixed connection of pole shaft is in the axle center department of gear bottom, connects the food tray to be located under the gear, links up the bearing and installs in the center department that connects the food tray top, and links up the inner circle of bearing and the bottom fixed connection of pole shaft, connects the food tray to be close to one side of outer axle collar and has seted up the opening, and the fixed plate is installed in the bottom that connects the food tray open end. Optionally, the open end that connects the food tray is located the top that connects the oil ring, and the fixed plate is located and connects the oil ring, and the fixed plate sets up to circular-arc, and the centre of a circle of fixed plate and the centre of a circle that connects the oil ring are located same vertical axis, and a plurality of ball grooves have been seted up to the outside equidistance of fixed plate, all are provided with rotatable ball in every ball groove, and every ball stretches out the part in ball groove and all contacts with the outer lane that connects the oil ring inner wall. Optionally, the oil scraping component extending into the oil receiving ring is arranged at the center of the four ends of the bottom plate bottom, the oil scraping component comprises a connecting rod and a