CN212535929U - A transmission system mounting structure for floating formula wind generating set - Google Patents
A transmission system mounting structure for floating formula wind generating set Download PDFInfo
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- CN212535929U CN212535929U CN202021973554.7U CN202021973554U CN212535929U CN 212535929 U CN212535929 U CN 212535929U CN 202021973554 U CN202021973554 U CN 202021973554U CN 212535929 U CN212535929 U CN 212535929U
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- generator
- mounting structure
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- floating wind
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a transmission system mounting structure for a floating wind generating set, which comprises a gear box shell and a generator shell, wherein the rear end of the gear box shell is connected with the front end of the generator shell; the generator shell comprises a front end bearing structure and a rear end stator mounting structure, wherein an outer convex flange is arranged at the joint of the front end bearing structure and the rear end stator mounting structure and is connected with a host mounting interface; the rear end stator mounting structure comprises a generator rear end shell and a generator stator supporting frame, and the generator stator supporting frame is arranged inside the generator rear end shell. The drive train can be connected to the main unit mounting interface on the wing tower in a simple manner by means of the mounting arrangement. The utility model relates to a wind power generation technical field.
Description
Technical Field
The utility model relates to a wind power generation technical field, in particular to a transmission system mounting structure for floating formula wind generating set.
Background
The generator and the gearbox shell of the general compact wind generating set are connected together and then connected to the tower through the engine room base of the elbow structure. This conventional type mounting structure is suitable for a cast or welded type frame. However, the tower structure of the floating wind turbine generator system has an airfoil section, and in order to connect the transmission system with the airfoil tower, a host installation interface with a special shape needs to be installed on the airfoil tower, so that for the floating wind turbine generator system, the installation mode of the transmission system and the host installation interface also needs to be adjusted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and not enough, provide a transmission system mounting structure for floating formula wind generating set, can be simply with the host installation interface connection on transmission system and the wing section pylon through this structure.
The purpose of the utility model can be realized by the following technical scheme: a transmission system mounting structure for a floating wind generating set comprises a gear box shell and a generator shell, wherein the rear end of the gear box shell is connected with the front end of the generator shell; the generator shell comprises a front end bearing structure and a rear end stator mounting structure, wherein an outer convex flange is arranged at the joint of the front end bearing structure and the rear end stator mounting structure and is connected with a host mounting interface; the rear end stator mounting structure comprises a generator rear end shell and a generator stator supporting frame, and the generator stator supporting frame is arranged inside the generator rear end shell.
Furthermore, a plurality of reinforcing ribs are arranged inside the front end bearing structure. The reinforcing ribs can improve the bearing capacity of the generator shell.
Furthermore, the bottom of the front end bearing structure is provided with a lubricating oil way oil return port. And the oil return port of the lubricating oil way is integrated with the generator shell, so that the integral integration level can be improved.
Furthermore, the edge of the convex flange is provided with a plurality of threaded holes, and the stud is respectively connected with the threaded holes on the convex flange and the threaded holes on the host installation interface.
Further, the wall thickness from the front end carrying structure to the outwardly convex flange becomes thicker gradually. The gradual-change wall thickness is adopted, so that the connection strength of the convex flange can be obviously improved, and the requirement of large load transfer from the wind wheel to the wing-shaped tower is met.
Further, the generator stator support frame is manufactured by casting or welding.
Further, the generator rear end shell is made of steel plates or glass fiber reinforced plastic materials.
Further, a generator cooling system is arranged inside the main machine installation interface. The integrated design of the generator cooling system and the engine room cooling system in the main engine installation interface can enhance the cooling effect and reduce the cost.
Furthermore, an input shaft and an output shaft are arranged in the gear box shell, a generator rotor is arranged in the generator shell, and the output shaft is connected with the generator rotor through a coupler.
Further, the input shaft is connected with the wind wheel.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model discloses a mounting structure can be connected transmission system and host installation interface, is applicable to the pylon that the showy formula wind generating set has airfoil section.
2. The utility model discloses a short partial compact structure of front end of generator housing, the route of transmission wind wheel load is short, does benefit to the lightweight design. And the transition of the gradually changed wall thickness is adopted, so that the connection strength of the convex flange is obviously improved, and the requirement of large load transfer from the wind wheel to the wing-shaped tower is met.
3. The utility model discloses a generator housing's rear end adopts the frame main part to add the design of thin wall shell, reduces generator housing weight greatly. And the rear end extends into the host installation interface, and the internal space of the host installation interface is fully utilized.
4. The utility model discloses an inside generator cooling system that can set up of host installation interface, with the interior cabin cooling system integrated design of host installation interface, can strengthen cooling effect and reduce cost.
Drawings
FIG. 1 is a sectional view of a transmission system mounting structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure of a generator housing according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
fig. 4 is a schematic structural diagram of a floating wind turbine generator system according to an embodiment of the present invention;
fig. 5 is a left side view of fig. 4.
Wherein: 1: gearbox housing, 2: generator housing, 21: front end carrying structure, 211: reinforcing ribs, 22: rear-end stator mounting structure, 221: generator rear end housing, 222: generator stator support frame, 23: male flange, 231: threaded hole, 3: host installation connection port, 31: steel strand connection point, 4: airfoil tower, 5: wind wheel, 6: and an oil return port of the lubricating oil path.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
As shown in fig. 1, the tower structure of the floating wind turbine generator system has a wing section, and in order to connect the transmission system with the wing tower 4, a specially-shaped main unit installation interface 3 needs to be installed on the wing tower 4. The main machine installation interface 3 is formed by firstly rolling steel plates into a cylindrical barrel, then splicing three sections of circular arc steel plates into an airfoil section barrel, and welding the cylindrical barrel and the airfoil section barrel. As shown in fig. 4 and 5, the main machine mounting interface 3 has a profile section corresponding to the profile tower section, and is a main body component for load transmission. The wing section of the host installation interface 3 is welded with a tower connecting flange, and the tower connecting flange is connected with the wing tower 4 through bolts. The wing tower 4 is obliquely arranged, and in order to improve stability, a steel strand connecting point 31 can be arranged on the host installation interface 3, and a steel strand passes through the connecting point and is fixed on a floating foundation.
As shown in fig. 2 and 3, a transmission system mounting structure for a floating wind turbine generator system comprises a gear box housing 1 and a generator housing 2, wherein the rear end of the gear box housing 1 is connected with the front end of the generator housing 2 through a stud. The generator housing 2 is of a cast structure and comprises a front end bearing structure 21 and a rear end stator mounting structure 22, and a convex flange 23 is arranged at the joint of the front end bearing structure 21 and the rear end stator mounting structure 22. The edge of the convex flange 23 is provided with a plurality of threaded holes 231, and the stud bolts are respectively connected with the threaded holes on the convex flange 23 and the threaded holes on the host mounting interface 3, so that the connection between the generator housing 2 and the host mounting interface 3 is realized.
As shown in fig. 3, a plurality of ribs 211 are provided inside the front end bearing structure 21, so that the bearing capacity of the front end bearing structure 21 can be increased. The front end bearing structure 21 is used for transmitting wind wheel load, is short in design and compact in structure, can shorten a load transmission path, and is beneficial to light-weight design. The wall thickness between the front end bearing structure 21 and the convex flange 23 gradually becomes thicker, so that the connection strength of the convex flange 23 can be obviously improved, and the requirement of large load transmission from the wind wheel 5 to the wing-shaped tower 4 is met. The rear end stator mounting structure 22 does not transmit wind wheel loads and includes a generator rear end housing 221 and a generator stator support frame 222, the generator stator support frame 222 being disposed inside the generator rear end housing 221. The structural design of the frame main body and the thin-wall shell is adopted, so that the weight of the generator shell can be greatly reduced. The rear stator mounting structure 22 is a mounting area for the generator stator, and the generator stator support frame 222 may be made by casting or welding. The generator rear end housing 221 may be made of a steel plate or a glass fiber reinforced plastic material as a protective cover of the generator stator support frame 222.
The bottom of the front end bearing structure 21 is provided with a lubricating oil way oil return port 6, and the lubricating oil way oil return port 6 and the generator shell are integrated together, so that the compactness of the mounting structure of the transmission system can be improved. The rear-end stator mounting structure 22 extends into the host mounting interface 3, and the internal space of the host mounting interface 3 can be fully utilized. Meanwhile, the generator cooling system can be arranged in the host installation interface 3, and the ventilation holes of the cooling system are arranged on the host installation interface 3, so that the integration level is further improved.
An input shaft and an output shaft are arranged in the gear box shell, a generator rotor and a stator are arranged in the generator shell, the input shaft is connected with the wind wheel 5, and the output shaft is connected with the generator rotor through a coupler. The gear box shell and the generator shell can be conveniently provided with accessory installation connection points, such as lubricating holes, pipeline channel openings and the like.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A transmission system mounting structure for a floating wind generating set is characterized by comprising a gear box shell and a generator shell, wherein the rear end of the gear box shell is connected with the front end of the generator shell;
the generator shell comprises a front end bearing structure and a rear end stator mounting structure, wherein an outer convex flange is arranged at the joint of the front end bearing structure and the rear end stator mounting structure and is connected with a host mounting interface; the rear end stator mounting structure comprises a generator rear end shell and a generator stator supporting frame, and the generator stator supporting frame is arranged inside the generator rear end shell.
2. The floating wind turbine installation structure of claim 1, wherein a plurality of reinforcing ribs are provided inside the front end bearing structure.
3. The floating wind turbine generator system mounting structure of claim 2, wherein a bottom of said front end bearing structure is provided with an oil return port.
4. The floating wind turbine generator system mounting structure of claim 1, wherein the flange has a plurality of threaded holes formed in an edge thereof, and the studs are connected to the threaded holes of the flange and the host mounting interface, respectively.
5. A drive train mounting structure for a floating wind turbine according to any one of claims 1 to 4 wherein the wall thickness from the front end carrying structure to the outwardly convex flange is progressively thicker.
6. The floating wind turbine generator system mounting structure of claim 1, wherein the generator stator support frame is made by casting or welding.
7. The floating wind turbine generator system mounting structure as claimed in claim 1, wherein the generator rear housing is made of steel plate or glass fiber reinforced plastic material.
8. The floating wind turbine installation according to claim 1, wherein a generator cooling system is provided within the main machine mounting interface.
9. The floating wind turbine generator system mounting structure of claim 1, wherein an input shaft and an output shaft are disposed in the gear box housing, a generator rotor is disposed in the generator housing, and the output shaft is coupled to the generator rotor via a coupling.
10. The drive train mounting arrangement for a floating wind turbine generator set of claim 9, wherein the input shaft is connected to the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973554.7U CN212535929U (en) | 2020-09-10 | 2020-09-10 | A transmission system mounting structure for floating formula wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973554.7U CN212535929U (en) | 2020-09-10 | 2020-09-10 | A transmission system mounting structure for floating formula wind generating set |
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| Publication Number | Publication Date |
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| CN212535929U true CN212535929U (en) | 2021-02-12 |
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| CN202021973554.7U Active CN212535929U (en) | 2020-09-10 | 2020-09-10 | A transmission system mounting structure for floating formula wind generating set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894808A (en) * | 2020-09-10 | 2020-11-06 | 明阳智慧能源集团股份公司 | A transmission system mounting structure for floating formula wind generating set |
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2020
- 2020-09-10 CN CN202021973554.7U patent/CN212535929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894808A (en) * | 2020-09-10 | 2020-11-06 | 明阳智慧能源集团股份公司 | A transmission system mounting structure for floating formula wind generating set |
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