Dynamic sealing structure of wind turbine generator gearbox

By designing a collection frame and a bidirectional threaded rod structure driven by a motor in the gearbox of a wind turbine, the problem of traditional sealing structures being unable to effectively collect lubricating oil has been solved, achieving efficient collection and discharge of lubricating oil and avoiding environmental pollution.

CN223806604UActive Publication Date: 2026-01-16GANSU SPECIAL EQUIP INSPECTION & TESTING RES INST (GANSU SPECIAL EQUIP INSPECTION & TESTING GRP)
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Patent Information

Application Number
CN202520752154.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-01-16
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

Traditional sealing structures cannot effectively collect lubricating oil in the event of minor leaks, leading to oil spills and environmental pollution.

Method used

A dynamic sealing structure for a wind turbine gearbox was designed. By setting up a collection frame and a motor-driven bidirectional threaded rod, the lubricating oil can be collected and discharged. The motor drives the bidirectional threaded rod to rotate, which in turn moves the collection frame to collect and discharge the leaked oil through the collection pipe.

Benefits of technology

It achieves efficient collection and export of minor lubricant leaks, avoiding oil spills and environmental pollution. It has a simple structure and is easy to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wind turbine generator gearbox dynamic sealing structure which comprises a gearbox body, fixing frames are symmetrically and fixedly connected to one side of the gearbox body, first grooves are formed in one sides of the two fixing frames, a first motor is fixedly connected to one side of one fixing frame, and a second motor is fixedly connected to one side of the other fixing frame. The output end of the first motor is fixedly connected with a two-way threaded rod, the outer side of the two-way threaded rod is symmetrically connected with first moving blocks in a threaded mode, one side of each first moving block is fixedly connected with a collecting frame, and one side of the bottom of one collecting frame is fixedly connected with a collecting pipe. The two-way threaded rod can be driven to rotate, two first moving blocks can be driven to move, accordingly, two collecting frames can be driven to move, the two collecting frames can be combined, oil can be thrown into the collecting frames when slight leakage occurs, then the oil is conveyed to the outer side through a collecting pipe, and convenience and rapidness are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gear box technical field, concretely relates to wind turbine generator system gear box dynamic sealing structure. BACKGROUND

[0002] Gear box is an important component in mechanical transmission, mainly used for power transmission, change speed and torque. It is composed of multiple gears, shafts, bearings and box bodies, and realizes efficient power transmission through the meshing of gears. Gear box has the advantages of compact structure, high transmission efficiency and strong carrying capacity, and is widely used in the fields of automobiles, ships, aircrafts, industrial equipment and the like.

[0003] The traditional sealing structure cannot effectively collect lubricating oil when there is slight leakage, resulting in oil spillage and environmental pollution. UTILITY MODEL CONTENT

[0004] The utility model discloses a wind turbine generator system gear box dynamic sealing structure, which has the effect of collecting lubricating oil.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wind turbine generator system gear box dynamic sealing structure, comprising a gear box body, the gear box body one side symmetry fixedly connected with fixed frame, two the fixed frame one side all is provided with first recess, one the fixed frame one side fixedly connected with first motor, the output of first motor fixedly connected with two-way screw rod, two-way screw rod outside symmetry screw connection has first moving block, first moving block one side fixedly connected with collection frame, one collection frame bottom one side fixedly connected with collection pipe.

[0006] Preferably, two collection frames are fixedly connected with connecting blocks on both sides, and the connecting blocks are provided with circular grooves on one side.

[0007] Preferably, a sliding rod is fixedly connected between the two sides of the first recess, second moving blocks are symmetrically and slidably connected to the outer side of the sliding rod, and the second moving blocks are fixedly connected to one side of the collection frame.

[0008] Preferably, the two-way screw rod is rotatably connected between the two sides of one first recess.

[0009] Preferably, the first moving block is L-shaped.

[0010] Preferably, the second moving block is L-shaped.

[0011] Preferably, two sealing rings are arranged in the two collection frames.

[0012] Compared with the prior art, the utility model provides wind turbine gear box dynamic sealing structure, has the following beneficial effect:

[0013] 1, the utility model discloses a collection frame is set up, and the first motor is started, can drive two way screw rod rotation, can drive two first mobile block movement to can drive two collection frame movement, can combine two collection frame, and when slight leakage will throw oil to the inside collection frame, then through the collection pipe to the outside, convenient and fast.

[0014] The part not involved in the device is same as the prior art or can be realized by using the prior art, the utility model structure scientific and reasonable, uses safe and convenient, provides great help for people. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the main structure schematic diagram that the utility model proposes;

[0016] Figure 2 It is the front view structure schematic diagram that the utility model proposes;

[0017] Figure 3 It is the collection frame main structure schematic diagram that the utility model proposes;

[0018] Figure 4 It is the connecting block structure schematic diagram that the utility model proposes.

[0019] BRIEF DESCRIPTION OF DRAWINGS

[0020] 1, gear box body;2, fixed frame;3, first recess;4, first motor;5, two way screw rod;6, first mobile block;7, collection frame;8, collection pipe;9, connecting block;10, circular groove;11, sliding rod;12, second mobile block. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model are described in detail below in combination with the drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0022] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it can not be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it is to explain, unless otherwise definite and limited, the term '' install '' '' set with '' '' connect '' and the like, should do the broad sense understanding, for example '' connect '', can be fixed connection, also can be detachable connection, or integral type connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can pass through the indirect connection of intermediate medium, can be the intercommunication of two elements inside, for the ordinary skill in the art, the above-mentioned term can be understood in the specific meaning in the utility model with the specific situation.

[0024] Please refer to Figures 1-4 The utility model discloses a wind turbine gearbox dynamic sealing structure includes gear box body 1, gear box body 1 one side symmetry fixed connection has fixed frame 2, two fixed frame 2 one side all is provided with first recess 3, one fixed frame 2 one side fixed connection has first motor 4, and the output of first motor 4 is fixedly connected with two -way threaded rod 5, and two -way threaded rod 5 outside symmetry screw thread connection has first moving block 6, and first moving block 6 one side fixedly connected with collection frame 7, and one collection frame 7 bottom one side fixedly connected with collection pipe 8, start first motor 4, can drive two -way threaded rod 5 rotation, can drive two first moving block 6 movement, to can drive two collection frame 7 movement, can merge two collection frame 7, slightly leak and will be thrown to the inside of collection frame 7, then through collection pipe 8 to the outside, convenient and fast.

[0025] In the utility model, preferably, two collection frame 7 both sides are fixedly connected with connecting block 9, and the one side of connecting block 9 is provided with circular groove 10, after two collection frame 7 are merged, can use bolt and the like tool to connect two connecting block 9, fixed, convenient to dismount simultaneously.

[0026] In the utility model, preferably, one first recess 3 inside both sides are fixedly connected with sliding rod 11, and the outside symmetry of sliding rod 11 is slidably connected with second moving block 12, and the one side of second moving block 12 is fixedly connected to one side of collection frame 7, and the setting of sliding rod 11 plays a moving limit role to collection frame 7.

[0027] In the utility model, preferably, two -way threaded rod 5 rotation is connected to one first recess 3 inside both sides.

[0028] In the utility model, preferably, first moving block 6 is L-shaped.

[0029] In the utility model, preferably, second moving block 12 is L-shaped.

[0030] In the utility model, preferably, two collection frame 7 inside are provided with sealing ring.

[0031] The working principle and use process of the utility model: when using, starting the first motor 4, can drive the bidirectional screw rod 5 to rotate, can drive two first moving blocks 6 to move, thereby can drive two collecting frames 7 to move, can combine two collecting frames 7, after two collecting frames 7 are combined, can use bolt and the like tool to connect two connecting blocks 9, are fixed, simultaneously convenient disassembly and installation, when slight leakage will throw oil to the inside of collecting frame 7, subsequently through the collecting pipe 8 to the outside.

[0032] The preferred embodiments of the utility model are described in detail above, but the utility model is not limited to this. Within the technical concept range of the utility model, the technical scheme of the utility model can be subjected to various simple modifications, including the combination of various technical features in any other suitable manner, and these simple modifications and combinations should also be considered as the disclosed content of the utility model and belong to the protection range of the utility model.

Claims

1. A dynamic sealing arrangement for a wind turbine gearbox, comprising a gearbox body (1), characterized in that: The gear box body (1) one side symmetry fixed connection has fixed frame (2), two fixed frame (2) one side is provided with first recess (3), one fixed frame (2) one side fixed connection has first motor (4), the output of first motor (4) fixed connection has two-way threaded rod (5), the outside of two-way threaded rod (5) symmetry screw connection has first moving block (6), the first moving block (6) one side fixed connection has collection frame (7), one collection frame (7) bottom one side fixed connection has collection pipe (8).

2. The dynamic seal arrangement for a wind turbine gearbox as recited in claim 1, wherein, Two collection frame (7) both sides are fixedly connected with connecting block (9), and the connecting block (9) is provided with a circular groove (10) on one side.

3. The dynamic seal arrangement for a wind turbine gearbox as recited in claim 1, wherein, One first recess (3) is fixedly connected between the two sides inside, and the sliding rod (11) is symmetrically and slidably connected to the outside of the second moving block (12), and the second moving block (12) is fixedly connected to one side of the collection frame (7).

4. The dynamic seal arrangement for a wind turbine gearbox as recited in claim 1, wherein, The two-way threaded rod (5) is rotatably connected between the two sides inside one first recess (3).

5. The dynamic seal arrangement for a wind turbine gearbox as recited in claim 1, wherein, The first moving block (6) is L-shaped.

6. The dynamic seal arrangement for a wind turbine gearbox as recited in claim 3, wherein, The second moving block (12) is L-shaped.

7. A dynamic seal arrangement for a wind turbine gearbox as claimed in claim 1, wherein, Two collection frame (7) is provided with sealing ring inside.