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CN-116025508-B - Limiting device for wind power boosting rotor and wind power boosting system

CN116025508BCN 116025508 BCN116025508 BCN 116025508BCN-116025508-B

Abstract

The invention discloses a limiting device for a wind power boosting rotor and a wind power boosting system, and belongs to the technical field of wind power boosting rotors. According to the limiting device for the wind power boosting rotor and the wind power boosting system, the outer peripheral surface of the limiting roller is abutted against the outer wall or the inner wall of the outer cylinder, the acting force between the limiting roller and the outer cylinder can be adjusted through the adjusting component, so that the acting force between each limiting roller and the outer cylinder is basically consistent, the limiting roller can have a certain range of displacement through the elastic piece, the load generated by the outer cylinder in high-speed operation is absorbed and buffered, the stability of the outer cylinder in high-speed operation is ensured, and the service life of the roller is prolonged. Meanwhile, the first end of the mounting bracket is rotatably arranged at the base or the inner tower, the limiting roller is rotatably arranged at the second end of the mounting bracket, and compared with the prior art, the mounting and dismounting of the limiting roller are convenient, the pressing force of the limiting roller is convenient to adjust, and the contact stability of the limiting roller and the outer barrel is improved.

Inventors

  • ZHU YUZHU
  • GUO FENGSHAN
  • WU YOUHUA
  • SUN CHENGCAN
  • HUANG GUOFU
  • Peng Zuguang
  • WANG CHULONG

Assignees

  • 中船重工（上海）节能技术发展有限公司

Dates

Publication Date
20260505
Application Date
20230207

Claims (9)

  1. 1. The limiting device for the wind power boosting rotor comprises a base (100), an inner tower (200) and an outer cylinder (300), wherein the inner tower (200) is fixedly arranged on the base (100), and the outer cylinder (300) is rotatably sleeved on the outer side of the inner tower (200); The limiting device for the wind power boosting rotor is characterized by comprising a plurality of limiting units (1) distributed along the outer periphery or the inner periphery of the outer cylinder (300), wherein the limiting units (1) comprise: the roller mechanism (11) comprises a limit roller (111) and a mounting bracket (112), the mounting bracket (112) is provided with a first end (1121) and a second end (1122) along a first direction, the first end (1121) of the mounting bracket (112) is provided with a rotating shaft (1123), one end of the rotating shaft (1123) is fixedly connected with the first end (1121), the other end of the rotating shaft is rotatably connected with the base (100) or the inner tower (200), the limit roller (111) is rotatably arranged at the second end (1122), and the outer circumferential surface of the limit roller (111) is in butt joint with the outer wall or the inner wall of the outer cylinder (300); The adjusting mechanism (12) comprises an adjusting assembly (121), one end of the adjusting assembly (121) is abutted to the second end (1122), and the adjusting assembly (121) is used for adjusting acting force between the limiting roller (111) and the outer cylinder (300); An elastic member (13), wherein the elastic member (13) is clamped between the adjusting assembly (121) and the second end (1122); The adjustment assembly (121) comprises: A fixed base (1211), wherein the fixed base (1211) is fixedly arranged on the base (100) or the inner tower (200); the screw rod (1212), the said screw rod (1212) wears to locate the said fixed seat (1211) and said elastic element (13) is abutted, the said screw rod (1212) is screwed with said fixed seat (1211); and the locking piece (1213), wherein the locking piece (1213) is used for locking or unlocking the screw rod (1212) and the fixed seat (1211).
  2. 2. The spacing device for a wind-powered booster rotor as defined in claim 1, wherein the adjustment mechanism (12) further comprises a pressure detecting member (122), the pressure detecting member (122) being configured to detect a pressure between the adjustment assembly (121) and the second end (1122).
  3. 3. The limit device for a wind-powered booster rotor as defined in claim 2, further comprising an alarm mechanism capable of giving an alarm prompt based on the detection result of the pressure detecting member (122).
  4. 4. The limit device for a wind-powered booster rotor as claimed in claim 1, wherein the number of limit units (1) is even, and a plurality of limit units (1) are uniformly distributed along the outer circumference or the inner circumference of the outer cylinder (300).
  5. 5. The limiting device for the wind-driven booster rotor according to claim 1, wherein the elastic member (13) has a cylindrical structure, and both ends of the elastic member (13) in the axial direction thereof are respectively abutted against the adjusting assembly (121) and the second end (1122).
  6. 6. The limiting device for the wind-driven booster rotor according to claim 5, wherein the elastic member (13) comprises a main body portion, a first transfer portion is provided at one end of the main body portion along the second direction, the first transfer portion has a truncated cone-shaped structure, a large diameter end of the first transfer portion is connected to the main body portion, and a small diameter end of the first transfer portion is abutted to the adjusting assembly (121).
  7. 7. The limiting device for the wind-driven booster rotor according to claim 5, wherein the elastic member (13) comprises a main body portion, one end of the main body portion along the second direction is provided with a second adapting portion, the second adapting portion is of a truncated cone-shaped structure, a large diameter end of the second adapting portion is connected with the main body portion, and a small diameter end of the second adapting portion is abutted with the second end (1122).
  8. 8. The limiting device for a wind-powered booster rotor as defined in claim 1, wherein the first end (1121) is provided with a rotating shaft (1123), one end of the rotating shaft (1123) is fixedly connected to the first end (1121), and the other end is rotatably connected to the base (100) or the inner tower (200).
  9. 9. Wind power boost system, characterized by comprising a limiting device for a wind power boost rotor according to any one of claims 1-8.

Description

Limiting device for wind power boosting rotor and wind power boosting system Technical Field The invention relates to the technical field of wind power boosting rotors, in particular to a limiting device for a wind power boosting rotor and a wind power boosting system. Background The working principle of the wind power boosting rotor is the magnus effect, and the ship additionally provided with the wind power boosting rotor can generate thrust in the advancing direction by adjusting the rotating direction of the rotor under the transverse wind or oblique wind state, so that the boosting effect is achieved. The wind power boosting rotor generally comprises a base, an inner tower and an outer cylinder, wherein the inner tower is fixedly arranged on the base, and the outer cylinder is rotatably sleeved on the outer side of the inner tower. The axial coaxiality of the axis of the outer cylinder and the axis of the inner tower can deviate due to the influence of processing, manufacturing and use environments, and in order to limit the radial runout of the outer cylinder, a plurality of limiting wheel devices are generally arranged along the circumferential direction of the outer cylinder, and each limiting wheel device comprises a limiting wheel which is abutted with the wall of the outer cylinder so as to limit the radial runout of the outer cylinder. The wind power boosting rotor is usually quite high and large, the maximum diameter can reach six meters, and the maximum height is approximately forty meters. The outer cylinder needs to rotate around the central shaft of the inner tower at a high speed, the rotation linear speed of the outer cylinder is high, the moment of inertia of the outer cylinder is very large, the smooth and high-speed operation of the outer cylinder is ensured, the shaking amount of the outer cylinder is reduced, and high requirements are put on the limiting wheel device at the bottom of the outer cylinder. In the prior art, the wheel shafts of the limiting wheels are arranged on the base in a sliding manner, so that the contact stability of the limiting wheels and the outer cylinder is not high, and the defects of large assembly workload, difficulty in controlling the installation precision and the like exist. If the assembly error of each limiting wheel device is too large, the rotor outer cylinder can shake severely during high-speed operation, the roller load can be increased to directly influence the service life of the rotor outer cylinder, and meanwhile, the continuous and stable operation of the rotor cannot be ensured, so that the rotating speed of the outer cylinder cannot meet the design requirement, and the safety accident of the rotor can be caused by great internal stress and torsion deformation of the local part of the outer cylinder. Disclosure of Invention The invention aims to provide a limiting device for a wind power boosting rotor and a wind power boosting system, which have the advantages of simple structure, convenience in assembly and adjustment, and improvement of the contact stability of a limiting roller and an outer cylinder, so as to ensure the stability of the outer cylinder during high-speed operation. In order to achieve the above object, the following technical scheme is provided: in one aspect, a limiting device of a wind power boosting rotor is provided, the wind power boosting rotor comprises a base, an inner tower and an outer cylinder, the inner tower is fixedly arranged on the base, and the outer cylinder is rotatably sleeved on the outer side of the inner tower; the limiting device for the wind power boosting rotor comprises a plurality of limiting units distributed along the outer periphery or the inner periphery of the outer cylinder, and the limiting units comprise: The roller mechanism comprises a limiting roller and a mounting bracket, the mounting bracket is provided with a first end and a second end along a first direction, the first end is rotatably arranged on the base or the inner tower, the limiting roller is rotatably arranged at the second end, and the outer peripheral surface of the limiting roller is abutted with the outer wall or the inner wall of the outer cylinder; The adjusting mechanism comprises an adjusting component, one end of the adjusting component is abutted to the second end, and the adjusting component is used for adjusting acting force between the limiting roller and the outer cylinder; And the elastic piece is clamped between the adjusting component and the second end. As an alternative to the limiting device of the wind power-assisted rotor, the adjusting mechanism further comprises a pressure detecting member for detecting the pressure between the adjusting assembly and the second end. As an alternative scheme of the limiting device of the wind power boosting rotor, the limiting device for the wind power boosting rotor further comprises an alarm mechanism, and the alarm mechanism can send out an alarm prompt accordi