Search

CN-118622593-B - Turning gear of wind generating set

CN118622593BCN 118622593 BCN118622593 BCN 118622593BCN-118622593-B

Abstract

The invention relates to a wind generating set, and provides a wind generating set turning device which comprises a support frame (5), a driving mechanism (3), a mounting disc (4), an adapter disc (1), an inner gear ring (101) and a positioning mounting structure, wherein the driving mechanism (3) is provided with a driving gear (301), the mounting disc (4) is detachably mounted on the support frame (5), the adapter disc (1) is used for detachably connecting a brake disc of the wind generating set, the adapter disc (1) is provided with the inner gear ring (101), the adapter disc (1) and the support frame (5) are arranged in a split mode, the positioning mounting structure is formed on the mounting disc (4), and the driving mechanism (3) is detachably mounted on the mounting disc (4) through the positioning mounting structure, so that the inner gear (301) is in meshed connection with the inner gear ring (101). The jigger device of the wind generating set can be hoisted into the engine room for blade installation without disassembling the top cover of the engine room of the wind generating set, and is time-saving and labor-saving.

Inventors

  • BAI YANG
  • JIANG YANYAN
  • Qi Hanchu

Assignees

  • 国能联合动力技术(赤峰)有限公司

Dates

Publication Date
20260508
Application Date
20240528

Claims (9)

  1. 1. A wind generating set jigger device, comprising: A support (5); A drive mechanism (3), the drive mechanism (3) being provided with a drive gear (301); The mounting plate (4) is detachably arranged on the supporting frame (5); The wind turbine generator system comprises a switching disc (1), wherein the switching disc (1) is used for detachably connecting a brake disc of a wind turbine generator system, an inner gear ring (101) is formed on the switching disc (1), and the switching disc (1) and the support frame (5) are arranged in a split mode; Wherein, a positioning and mounting structure is formed on the mounting plate (4), and the driving mechanism (3) is detachably mounted on the mounting plate (4) through the positioning and mounting structure, so that the driving gear (301) is meshed and connected with the inner gear ring (101); The positioning shaft (9) is used for positioning between the switching disc (1) and the mounting disc (4), the positioning shaft (9) comprises a positioning part (901), a limiting ring part (902) and an operating part (904) which are sequentially connected, the diameter of the limiting ring part (902) is larger than that of the positioning part (901), the mounting disc (4) is provided with a positioning step hole (404), the switching disc (1) is provided with a switching positioning hole (105), the positioning shaft (9) is axially and slidably arranged in the positioning step hole (404), and in the condition that the end face of the limiting ring part (902) abuts against the step face of the positioning step hole (404), the positioning part (901) extends out of the positioning step hole (404) so as to be matched and positioned with the switching positioning hole (105), one end of the limiting ring part (902) far away from the positioning step hole (404) is extended out of the positioning step hole (404) so as to be matched with the supporting part (506) of the supporting frame (505) and always far away from the positioning step hole (904), is adapted for movement along an axis by an operator pulling the positioning shaft (9) through the handling portion (904).
  2. 2. The wind generating set turning gear according to claim 1, wherein a first circular wall sleeve (102) and a second circular wall sleeve (103) are respectively arranged on two sides of the adapter plate (1) along the axial direction, the inner diameter of the first circular wall sleeve (102) is arranged corresponding to the outer diameter of the brake disc, so that the first circular wall sleeve (102) is sleeved on the brake disc, the inner ring of the second circular wall sleeve (103) forms the inner gear ring (101), and a plurality of adapter mounting holes (104) are formed in the adapter plate (1) for connecting a connecting piece to pass through and be connected with the brake disc.
  3. 3. Wind generating set jigger device according to claim 1, characterized in that the driving mechanism (3) comprises a driving motor (302) and a speed reducer (303), the input end of the speed reducer (303) is connected with the output end of the driving motor (302), the output end of the speed reducer (303) is connected with the driving gear (301), the positioning and mounting mechanism comprises a flange structure (401) and a mounting flange (304) formed on the mounting plate (4), the speed reducer (303) is connected with the flange structure (401) through the mounting flange (304), and the driving gear (301) is meshed with the inner gear ring (101) through a central hole (401-1) of the flange structure (401).
  4. 4. A wind generating set jigger device according to claim 3, characterized in that the mounting flange (304) is an eccentric flange.
  5. 5. A wind park arrangement according to claim 3, characterized in that the drive motor (302) is provided with an electromagnetic brake (305).
  6. 6. Wind park turning device according to claim 1, characterized in that the drive means (3) are provided in a plurality, a plurality of said drive means (3) being evenly arranged in the circumferential direction of the mounting disc (4).
  7. 7. Wind generating set turning gear according to claim 1, characterized in that the two sides of the support frame (5) are hinged with reaction arm support rods (6), and one end of the reaction arm support rods (6) far away from the support frame (5) is used for connecting with an in-cabin lifting lug of the wind generating set.
  8. 8. Wind generating set jigger device as claimed in claim 7, characterized in that the counter-force arm support rod (6) is a telescopic rod.
  9. 9. The wind turbine jigger of claim 1, wherein, in the case where an end surface of the retainer ring portion (902) abuts against a step surface of the positioning step hole (404), a lock member is provided between the retainer ring portion (902) and the step surface to restrict an axial degree of freedom of the retainer ring portion (902); the positioning shaft (9) can move along the direction away from the mounting disc (4) along the axial direction, so that the positioning part (901) is separated from the switching positioning hole (105), and a locking piece is arranged between the limiting ring part (902) and the supporting frame (5).

Description

Turning gear of wind generating set Technical Field The invention relates to a wind generating set, in particular to a turning gear of the wind generating set. Background The common installation method of the fan blades in the hoisting process of the wind generating set generally comprises two steps, namely, after the hub and the blade ground are integrally assembled, the impeller is integrally hoisted by a crane to be assembled with the main shaft assembly, and the hub and the main shaft are integrally assembled, and then one blade is installed at the same position at each time by means of a jigger device, so that the single-blade installation mode of the air assembly of 3 blades is sequentially completed. The jigger device in the prior art is divided into a hydraulic jigger and an electric jigger, but the volume and the weight of the hydraulic jigger and the electric jigger are large, when the second blade mounting mode is adopted, the top cover of a cabin of a wind generating set is required to be hung and detached, the jigger device, a pump station and the like are hung into the cabin by the top cover part by a crane, the blades are mounted after the jigger is mounted in a matched manner, the cabin top cover is assembled, finally, the assembly and disassembly process is time-consuming and labor-consuming, accessories such as a water cooling system, an automatic fire-fighting system, an audio-video system and a vibration monitoring system are required to be disassembled and assembled at the same time, the reliability of parts is influenced to a certain extent, and the operation is complicated and the working time is wasted. Disclosure of Invention The invention aims to solve the technical problem of providing a jigger device of a wind generating set, which can be hoisted into a cabin for blade installation without disassembling a top cover of the cabin of the wind generating set, and is time-saving and labor-saving. In order to solve the technical problem, the invention provides a jigger device of a wind generating set, comprising: a support frame; the driving mechanism is provided with a driving gear; The mounting plate is detachably mounted on the support frame; the switching disc is used for detachably connecting a brake disc of the wind generating set, an annular gear is arranged on the switching disc, and the switching disc and the supporting frame are arranged in a split mode; The mounting plate is provided with a positioning and mounting structure, and the driving mechanism is detachably mounted on the mounting plate through the positioning and mounting structure, so that the driving gear is meshed and connected with the annular gear. In some specific embodiments, the adapter plate is provided with a first circular wall sleeve and a second circular wall sleeve along two axial sides respectively, the inner diameter of the first circular wall sleeve is arranged corresponding to the outer diameter of the brake plate, so that the first circular wall sleeve is sleeved on the brake plate, the inner ring of the second circular wall sleeve forms the inner gear ring, and a plurality of adapter mounting holes are formed in the adapter plate, so that the connecting piece passes through and is connected with the brake plate. In some embodiments, the driving mechanism comprises a driving motor and a speed reducer, an input end of the speed reducer is connected with an output end of the driving motor, an output end of the speed reducer is connected with the driving gear, the positioning and mounting mechanism comprises a flange structure and a mounting flange plate, the flange structure is connected with the speed reducer through the mounting flange plate, and the driving gear penetrates through a central hole of the flange structure to be in meshed connection with the inner gear ring. In some embodiments, the mounting flange is an eccentric flange. In some embodiments, the driving motor is provided with an electromagnetic brake. In some embodiments, the driving mechanism is provided in plurality, and the driving mechanisms are uniformly distributed along the circumferential direction of the mounting plate. In some embodiments, the two sides of the support frame are hinged with reaction arm support rods, and one end of each reaction arm support rod, which is far away from the support frame, is used for connecting with an in-cabin lifting lug of the wind generating set. In some embodiments, the reaction arm support bar is a telescoping bar. In some embodiments, the positioning device further comprises at least two positioning shafts, wherein the positioning shafts are used for positioning between the switching disc and the mounting disc, each positioning shaft comprises a positioning part and a limiting ring part which are sequentially connected, the diameter of each limiting ring part is larger than that of each positioning part, each mounting disc is provided with a positioning step hole, each switching disc i