Sealing ring structure of offshore wind turbine rotating system

By designing and installing the outer cover and airbag frame structure, the problem of loose sealing ring installation in the offshore wind turbine rotation system was solved, achieving stable contact and limiting operation between the sealing ring and the inner wall of the wind turbine, thus improving the sealing effect and stability.

CN223854856UActive Publication Date: 2026-01-30QINGDAO UNIV OF SCI & TECH
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520730811.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-01-30
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

The existing sealing ring structure of the offshore wind turbine rotation system is prone to loosening at the sealing ring connection due to insufficient pressure during installation, which affects the sealing tightness, makes it impossible to perform appropriate limit operation, and fails to meet daily use requirements.

Method used

A structure including an outer cover, a first ring airbag, a second ring airbag, a first ring frame, a second ring frame, a sealing top ring, and a sealing ring body is designed. By controlling the air valve seat and the inflation and deflation of the airbag, the sealing ring is made to fit tightly against the inner wall of the fan, and is stably limited by the cooperation of the limiting inner pad and the inner cover.

Benefits of technology

This achieves a stable top-fitting between the sealing ring and the inner wall of the fan, improving the sealing tightness and operational stability, and ensuring the sealing effect of the equipment during daily use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223854856U_ABST
    Figure CN223854856U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of offshore wind turbine sealing rings, in particular to a sealing ring structure of an offshore wind turbine rotating system, which comprises a mounting outer cover, a first annular air bag is arranged at one end of the mounting outer cover, a second annular air bag is arranged at the other end of the mounting outer cover, and a mounting inner cover is arranged in the mounting outer cover. And the top end of the mounting outer cover is fixedly connected with an air control valve seat. According to the sealing ring, the installation outer cover, the first annular air bag, the second annular air bag, the first annular frame, the second annular frame, the sealing top ring, the sealing ring body, the valve sealing ring and the air control valve port are arranged, so that the two ends of the sealing ring of the offshore wind turbine rotating system can be tightly attached more firmly through equipment; a worker firstly sleeves and mounts the whole mounting outer cover on the inner wall of the offshore wind turbine rotating system, then extends the air control valve seat outside the offshore wind turbine, and passes through the valve sealing ring and the air control valve port in the air control valve seat.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to offshore wind turbine sealing ring technical field, concretely is a kind of sealing ring structure of offshore wind turbine rotating system. BACKGROUND

[0002] Wind power generation is the fastest growing green energy technology in the world, while the land wind farm construction develops rapidly, people have noticed some limitations of land wind energy utilization, such as large area, noise pollution and other problems, due to the rich wind energy resources in the sea and the feasibility of today's technology, the ocean will become a rapidly developing wind power market.

[0003] For example, the patent file with the announcement number CN 218235573 U discloses a household appliance direct-current fan impeller sealing ring, which comprises a sealing ring body made of rubber, wherein the sealing ring body comprises: a middle sleeve part, the middle sleeve part has extension bosses at both ends, the outer diameter of the extension boss is smaller than the outer diameter of the middle sleeve part; a sealing lip edge extending from the extension boss, the sealing lip edge is outwardly expanded at an angle; and a graphite packing ring arranged around the extension boss. The utility model sets extension bosses at both ends of the middle sleeve part of the sealing ring body, and extends the sealing lip edge, strengthens the butt joint of the impeller and the mounting shell, at the same time, the outer groove formed by the extension boss and the middle sleeve part accommodates the graphite packing ring, strengthens the sealing, effectively prevents deformation and improves durability.

[0004] However, the structure in the actual offshore wind turbine rotating system sealing ring use, due to the limitation of its own structure, often only to sealing ring element, simple fitting installation operation, the pressure of installation is smaller, it will lead to sealing ring connection place appears slack, affect the overall, sealing tightness, at the same time, the equipment cannot go to more adaptive sealing ring butt joint limit operation, cannot satisfy daily use demand, therefore, it is urgent to design a kind of sealing ring structure of offshore wind turbine rotating system to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of sealing ring structure of offshore wind turbine rotating system to solve the problem that the structure in the above background technology is used in the actual offshore wind turbine rotating system sealing ring, due to the limitation of its own structure, often only to sealing ring element, simple fitting installation operation, the pressure of installation is smaller, it will lead to sealing ring connection place appears slack, affect the overall, sealing tightness, at the same time, the equipment cannot go to more adaptive sealing ring butt joint limit operation, cannot satisfy daily use demand.

[0006] To achieve the above object, the utility model provides the following technical scheme: a sealing ring structure of offshore wind turbine rotating system, including installation cover, the one end of installation cover is provided with first ring air bag, the other end of installation cover is provided with second ring air bag, the inside of installation cover is provided with installation inner cover, the top of installation cover is fixedly connected with gas control valve seat;

[0007] First ring and second ring, one end of installation cover is rotatably connected with first ring through first ring air bag, the other end of installation cover is rotatably connected with second ring through second ring air bag.

[0008] Preferably, the inside of the first ring and the second ring is provided with a ventilation inner cover, and the inside of the ventilation inner cover is provided with a protective inner container.

[0009] Preferably, the inside of the first ring and the second ring is provided with a sealing top ring, and the surface of the sealing top ring is provided with a sealing ring body.

[0010] Preferably, the sealing top ring and the sealing ring body are connected to one end of the first ring air bag and the second ring air bag.

[0011] Preferably, the outer surface of the installation inner cover is provided with a first limiting inner pad, and the inner wall of the installation outer cover is provided with a second limiting inner pad.

[0012] Preferably, one end of the gas control valve seat is provided with a valve sealing ring, and the inside of the gas control valve seat is provided with a gas control valve port.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The sealing ring structure of offshore wind turbine rotating system, through installation cover, first ring air bag, second ring air bag, first ring, second ring, sealing top ring, sealing ring body, valve sealing ring and gas control valve port arranged, can make the equipment go to the sealing ring of offshore wind turbine rotating system both ends more tightly close operation, in the actual use process, the staff first whole set installation cover installation is installed in the inner wall place of offshore wind turbine rotating system, then the gas control valve seat extends in the outside of offshore wind turbine, and through the valve sealing ring and the gas control valve port inside the gas control valve seat, carries out the filling and discharging operation to the inside of installation cover, also makes the first ring air bag and the second ring air bag of installation cover both ends carry out the inflation operation, thereby drives the sealing top ring and the sealing ring body in the first ring and the second ring inside, carries out the inner wall top contact fixed operation of offshore wind turbine both ends, and then makes the sealing top ring and the sealing ring body can be more stable pressure top contact in the inner wall both ends of offshore wind turbine, carries out the sealing operation of momentary stability, embodies the practicability of equipment design.

[0015] The sealing ring structure of the offshore wind turbine rotating system, through the installation cover, the first ring air bag, the second ring air bag, the first ring frame, the second ring frame, the ventilation inner cover, the protective inner liner, the first limiting inner pad and the second limiting inner pad, further improves the use effect of the equipment as a whole, and in the daily use process, the staff can first butt joint and install the first ring frame and the second ring frame on the two ends of the inner wall of the offshore wind turbine, then when the sealing top ring and the sealing ring body are abutted by the first ring air bag and the second ring air bag, the first ring frame and the second ring frame can cooperate with the ventilation inner cover and the protective inner liner inside to perform the limiting operation, and the inside of the installation cover and the installation inner cover can also cooperate with the first limiting inner pad and the second limiting inner pad of the inner wall to perform the stable limiting operation when the first ring air bag and the second ring air bag are adjusted in extension and retraction, so that the stability of the equipment during subsequent sealing adjustment is ensured, and the comprehensiveness of the equipment design is embodied. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole schematic view of the utility model structure;

[0017] Figure 2 It is a whole schematic view of the utility model installation cover structure;

[0018] Figure 3 It is a whole schematic view of the utility model first ring air bag structure;

[0019] Figure 4 It is a whole schematic view of the utility model Figure 1 It is an enlarged schematic view of the structure of A in the utility model.

[0020] In the drawing: 1, installation cover; 2, first ring air bag; 3, second ring air bag; 4, installation inner cover; 5, gas control valve seat; 6, first ring frame; 7, second ring frame; 8, ventilation inner cover; 9, protective inner liner; 10, sealing top ring; 11, sealing ring body; 12, first limiting inner pad; 13, second limiting inner pad; 14, valve sealing ring; 15, gas control valve port. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment:

[0023] The utility model provides a kind of sealing ring structure of offshore wind turbine rotating system, including installation cover 1, the first ring air bag 2 is provided at one end of installation cover 1, the second ring air bag 3 is provided at the other end of installation cover 1, installation cover 1 inside is provided with installation inner cover 4, the top of installation cover 1 is fixedly connected with gas control valve seat 5, the outer surface of installation inner cover 4 is provided with first limiting inner pad 12, the inner wall of installation cover 1 is provided with second limiting inner pad 13, one end of gas control valve seat 5 is provided with valve sealing ring 14, gas control valve port 15 is set in the inside of gas control valve seat 5, so that the first ring air bag 2 and the second ring air bag 3 of installation cover 1 both ends carry out inflation telescopic operation, to drive the sealing top ring 10 and sealing ring body 11 inside first ring frame 6 and second ring frame 7, the inner wall top of offshore wind turbine both ends is fixed, to make sealing top ring 10 and sealing ring body 11 can be with more stable pressure exertion top in offshore wind turbine inner wall both ends.

[0024] First ring frame 6 and second ring frame 7, one end of installation cover 1 is movably connected with first ring frame 6 by first ring air bag 2, the other end of installation cover 1 is movably connected with second ring frame 7 by second ring air bag 3, the inside of first ring frame 6 and second ring frame 7 is provided with ventilation inner cover 8, ventilation inner cover 8 is provided with protective inner bag 9 in the inside, the inside of first ring frame 6 and second ring frame 7 is provided with sealing top ring 10, the surface of sealing top ring 10 is provided with sealing ring body 11, sealing top ring 10 and sealing ring body 11 are connected with one end of first ring air bag 2 and second ring air bag 3, the first ring frame 6 and second ring frame 7 needing to be used are first docked and installed in the both ends of offshore wind turbine inner wall, then when sealing top ring 10 and sealing ring body 11 are toped by first ring air bag 2 and second ring air bag 3, first ring frame 6 and second ring frame 7 can cooperate with ventilation inner cover 8 and protective inner bag 9 inside and carry out limiting activity operation.

[0025] Working principle: in use, the user first installs the installation cover 1 as a whole on the inner wall of the offshore wind turbine rotating system, then extends the gas control valve seat 5 outside the offshore wind turbine, and performs the gas charging and discharging operation to the inside of the installation cover 1 through the valve sealing ring 14 and the gas control valve port 15 inside the gas control valve seat 5, so that the first ring air bag 2 and the second ring air bag 3 at both ends of the installation cover 1 perform the inflation and contraction operation, thereby driving the sealing top ring 10 and the sealing ring body 11 inside the first ring frame 6 and the second ring frame 7 to perform the inner wall abutting and fixing operation of the offshore wind turbine at both ends, so that the sealing top ring 10 and the sealing ring body 11 can abut on the inner wall of the offshore wind turbine at both ends with more stable pressure, and perform stable sealing operation at all times. In the daily use process, the workers can first butt joint the first ring frame 6 and the second ring frame 7 to be used on the inner wall of the offshore wind turbine at both ends, and then when the sealing top ring 10 and the sealing ring body 11 abut through the first ring air bag 2 and the second ring air bag 3, the first ring frame 6 and the second ring frame 7 can cooperate with the ventilation inner cover 8 and the protective inner liner 9 inside to perform the limiting movement operation, and the inside of the installation cover 1 and the installation inner cover 4 can also cooperate with the first limiting inner pad 12 and the second limiting inner pad 13 of the inner wall to perform the stable limiting operation when the first ring air bag 2 and the second ring air bag 3 are stretched and contracted, so as to ensure the stability of the equipment in subsequent sealing adjustment. The above is the whole working principle of the utility model.

[0026] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A sealing ring structure of a rotating system of an offshore wind turbine, comprising a mounting cover (1), characterized in that: One end of the mounting cover (1) is provided with a first ring air bag (2), the other end of the mounting cover (1) is provided with a second ring air bag (3), the inside of the mounting cover (1) is provided with a mounting inner cover (4), the top end of the mounting cover (1) is fixedly connected with a gas control valve seat (5); First ring (6) and second ring (7), one end of the mounting cover (1) is movably connected with a first ring (6) through a first ring air bag (2), the other end of the mounting cover (1) is movably connected with a second ring (7) through a second ring air bag (3).

2. A sealing ring structure of a rotating system of an offshore wind turbine according to claim 1, characterized in that: The inside of the first ring (6) and the second ring (7) is provided with a ventilation inner cover (8), the inside of the ventilation inner cover (8) is provided with a protective inner bag (9).

3. A sealing ring structure of a rotating system of an offshore wind turbine according to claim 1, characterized in that: The inside of the first ring (6) and the second ring (7) is provided with a sealing top ring (10), the surface of the sealing top ring (10) is provided with a sealing ring body (11).

4. A seal ring structure of a rotating system of an offshore wind turbine according to claim 3, characterized in that: The sealing top ring (10) and the sealing ring body (11) are connected with one end of the first ring air bag (2) and the second ring air bag (3).

5. A sealing ring structure of a rotating system of an offshore wind turbine according to claim 1, characterized in that: The outer surface of the mounting inner cover (4) is provided with a first limiting inner pad (12), the inner wall of the mounting cover (1) is provided with a second limiting inner pad (13).

6. A sealing ring structure of a rotating system of an offshore wind turbine according to claim 1, characterized in that: One end of the gas control valve seat (5) is provided with a valve sealing ring (14), the inside of the gas control valve seat (5) is provided with a gas control valve port (15).

Citation Information

Patent Citations

  • Impeller sealing ring of direct-current fan for household appliance

    CN218235573U