CN211174477U - Sealing structure of 3MW power generation fan air guide sleeve and engine room cover - Google Patents
Sealing structure of 3MW power generation fan air guide sleeve and engine room cover Download PDFInfo
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- CN211174477U CN211174477U CN201921540317.9U CN201921540317U CN211174477U CN 211174477 U CN211174477 U CN 211174477U CN 201921540317 U CN201921540317 U CN 201921540317U CN 211174477 U CN211174477 U CN 211174477U
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- cabin cover
- air guide
- guide sleeve
- groove
- power generation
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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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Abstract
The utility model discloses a 3MW power generation fan kuppe and cabin cover's seal structure mainly includes kuppe and cabin cover, set up the ring channel that the cross-section is "U" shape on the front end terminal surface of cabin cover, kuppe rear end terminal surface sets up the annular connection groove that the cross-section is "L" shape, the ring channel includes right connecting portion, left connecting portion and horizontal connection portion, the connection groove mainly includes vertical part and horizontal part, be equipped with a plurality of perpendicular first closing plate and low groove on the horizontal part, be equipped with a plurality of perpendicular second closing plate and upper groove on the horizontal connection portion, the free end tip of first closing plate inserts in the upper groove to with upper groove clearance fit, the free end tip of second closing plate inserts in the low groove to with low groove clearance fit, this structural design science, can effectively avoid rainwater, dust, salt particle etc. to get into the cabin, and the shock resistance is good.
Description
Technical Field
The utility model relates to a 3MW wind power generation equipment field especially relates to a 3MW electricity generation fan kuppe and cabin cover's seal structure.
Background
The wind turbine generator cabin cover is a part covering the outside of the wind turbine generator, and protects internal equipment from being invaded by external environment, such as wind, sand, rainwater, hail, ultraviolet radiation and the like, so that normal operation of the wind turbine generator is ensured.
Generally, a main shaft is a shaft extending from a power generation device in a cabin, a hub is mounted at the other end of the main shaft, a flow guide cover is mounted on the outer side of the hub and indirectly mounted on the main shaft, and the flow guide cover rotates along with the rotation of the main shaft, which is a common structure of the existing wind power large generator set, so that a gap exists between the flow guide cover and the cabin cover, wind sand, rain mist and the like can enter the cabin through the gap, wind power generator set equipment is corroded by the wind sand, the rain mist and the like to cause the fault shutdown of a fan, and particularly for coastal areas, the wind power generator set equipment is easily corroded by salt mist, and the service performance and the service life.
Chinese patent CN202194782U discloses a rain-proof and dust-proof structure between a flow guide cover and a cabin, which only uses a brush to be matched with an annular groove to form the rain-proof and dust-proof structure, the structure is too simple, and the brush can be worn along with the rotation of the flow guide cover, so the rain-proof and dust-proof effect is general;
compared with a 2MW nacelle cover, the 3MW nacelle cover is longer in overall length and larger in load bearing weight, and the gap between the opposite air guide sleeve and the nacelle cover is also larger, so that the existing sealing structure is not suitable for the 3MW nacelle cover.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's shortcoming, providing a structural design science, can effectively avoid rainwater, dust, salt particle etc. to get into the cabin in, and the good seal structure of a 3MW electricity generation fan kuppe and cabin cover of shock resistance.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that:
a sealing structure of a 3MW power generation fan air guide sleeve and a cabin cover mainly comprises the air guide sleeve and the cabin cover, wherein the air guide sleeve is installed on a main shaft, an annular groove with an inverted U-shaped cross section is formed in the front end face of the cabin cover, the annular groove comprises a right connecting portion, a left connecting portion and a horizontal connecting portion, the right connecting portion is connected with the front end face of the cabin cover, the horizontal connecting portion is parallel to the main shaft, an annular connecting groove with an L-shaped cross section is formed in the rear end face of the air guide sleeve, the vertical portion is connected with the rear end face of the air guide sleeve, a plurality of vertical first sealing plates and a plurality of vertical lower grooves are formed in the horizontal connecting portion at intervals, a plurality of vertical second sealing plates and upper grooves are formed in the horizontal connecting portion at intervals, the free end portion of each first sealing plate is inserted into the upper groove and is in snake-shaped clearance fit with the upper groove, and the free end portion of each second sealing plate is inserted into the corresponding lower groove and is in clearance fit with the corresponding upper groove.
Preferably, the free end portions of the first and second seal plates are spherical or dovetail shaped.
Preferably, a dovetail-shaped first protruding block is arranged on the side wall of the vertical part of the connecting groove, a first groove matched with the rear end face of the air guide sleeve is arranged on the end face of the rear end of the air guide sleeve, and the first protruding block is clamped into the first groove.
Preferably, a first cushion pad is further arranged between the vertical portion of the connecting groove and the rear end face of the air guide sleeve, and the vertical portion of the connecting groove is connected with the rear end face of the air guide sleeve through a bolt.
Preferably, the side wall of the right connecting part of the annular groove is provided with a dovetail-shaped second bump, the front end face of the engine room cover is provided with a second groove matched with the front end face of the engine room cover, and the second bump is clamped into the second groove.
Preferably, a second cushion pad is further arranged between the right connecting part of the annular groove and the front end face of the cabin cover, and the right connecting part of the annular groove is connected with the front end face of the cabin cover through a bolt.
Preferably, a plurality of horizontal fin plates are arranged on the side walls of the two sides of the first sealing plate and the second sealing plate, and a snake shape is formed between the horizontal fin plates.
Preferably, the top of the vertical part of the connecting groove is also provided with a brush, and the brush extends to the horizontal connecting part of the annular groove.
The utility model has the advantages that:
firstly, the method comprises the following steps: the horizontal connecting part of the annular groove is provided with a second sealing plate and an upper groove, the horizontal part of the connecting groove is provided with a first sealing plate and a lower groove, the free end part of the first sealing plate is inserted into the upper groove, the free end part of the second sealing plate is inserted into the lower groove, a snake-shaped structure is formed between the first sealing plate and the second sealing plate, a snake-shaped structure is formed between the horizontal fin plates, and the multiple snake-shaped structures can better prevent rainwater, dust, salt particles and the like from entering the cabin;
secondly, the method comprises the following steps: the free end parts of the first sealing plate and the second sealing plate are spherical or dovetail-shaped, so that dust, rainwater, salt particles and the like can be well reserved in the upper groove and the lower groove which are matched with the first sealing plate and the second sealing plate, and the rainwater, the dust, the salt particles and the like are prevented from entering the cabin;
thirdly, the method comprises the following steps: the side wall of the vertical part of the connecting groove is provided with a dovetail-shaped first lug, the end face of the rear end of the flow guide cover is provided with a first groove matched with the dovetail-shaped first lug, the first lug is clamped into the first groove, and the connecting groove is connected with the flow guide cover more firmly;
fourthly: the side wall of the right connecting part of the annular groove is provided with a dovetail-shaped second lug, the end face of the front end of the cabin cover is provided with a second groove matched with the dovetail-shaped second lug, the second lug is clamped into the second groove, and the annular groove is connected with the cabin cover more firmly;
fifth, the method comprises the following steps: the kuppe is along with the in-process spread groove of main shaft rotation together and the junction of kuppe can hardly avoid having vibrations, sets up first blotter and can effectual buffering vibrations.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 is a pod, 1.1 is a first groove, 2 is a nacelle cover, 2.1 is a second groove, 3 is an annular groove, 3.1 is a right connecting portion, 3.2 is a left connecting portion, 3.3 is a horizontal connecting portion, 3.4 is a second sealing plate, 3.5 is an upper groove, 3.6 is a second bump, 4 is a connecting groove, 4.1 is a vertical portion, 4.2 is a horizontal portion, 4.3 is a first sealing plate, 4.4 is a lower groove, 4.5 is a first bump, 5 is a first cushion, 6 is a bolt, 7 is a second cushion, 8 is a horizontal fin, 9 is a brush.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
A sealing structure of a 3MW power generation fan air guide sleeve and a cabin cover mainly comprises an air guide sleeve 1 and a cabin cover 2, wherein the air guide sleeve 1 is installed on a main shaft, an annular groove 3 with an inverted U-shaped section is formed in the front end face of the cabin cover 2, the annular groove 3 comprises a right connecting portion 3.1, a left connecting portion 3.2 and a horizontal connecting portion 3.3, the right connecting portion 3.1 is connected with the front end face of the cabin cover 2, the horizontal connecting portion 3.3 is parallel to the main shaft, an annular connecting groove 4 with an L-shaped section is formed in the rear end face of the air guide sleeve 1, the connecting groove 4 mainly comprises a vertical portion 4.1 and a horizontal portion 4.2, the vertical portion 4.1 is connected with the rear end face of the air guide sleeve 1, a plurality of vertical first sealing plates 4.3 and a plurality of vertical grooves 4.4.4.4 are arranged on the horizontal portion 4.2, a plurality of first snakelike sealing plates 4.3 and a plurality of lower grooves 4.4 are arranged at intervals, a plurality of vertical second sealing plates 3.4 and upper grooves 3.5 are arranged on the horizontal connecting portion 3.3.3, a plurality of vertical sealing plates 3.4 and a plurality of lower grooves are arranged in a gap-free fit with the upper grooves 4.4.4.4, and a gap is formed between the lower grooves 4.4.4, and a gap is inserted into the lower groove, and a gap is matched with the second sealing plate 4.4, and a gap.
Preferably, the free end of the first and second seal plates 4.3, 3.4 are bulbous or dovetail shaped.
Preferably, a dovetail-shaped first projection 4.5 is arranged on the side wall of the vertical portion 4.1 of the connecting groove 4, a first groove 1.1 matched with the rear end face of the air guide sleeve 1 is arranged on the end face of the rear end of the air guide sleeve 1, and the first projection 4.5 is clamped into the first groove 1.1.
Preferably, a first buffer pad 5 is further disposed between the vertical portion 4.1 of the connecting groove 4 and the rear end face of the pod 1, and the vertical portion 4.1 of the connecting groove 4 is connected to the rear end face of the pod 1 by a bolt 6.
Preferably, a dovetail-shaped second protruding block 3.6 is arranged on the side wall of the right connecting portion 3.1 of the annular groove 3, a second groove 2.1 matched with the front end face of the engine room cover 2 is arranged on the front end face of the engine room cover 2, and the second protruding block 3.6 is clamped into the second groove 2.1.
Preferably, a second cushion pad 7 is further provided between the right connecting portion 3.1 of the annular groove 3 and the front end face of the nacelle cover 2, and the right connecting portion 3.1 of the annular groove 3 and the front end face of the nacelle cover 2 are connected by a bolt 6.
Preferably, a plurality of horizontal fin plates 8 are arranged on the side walls of the first sealing plate 4.3 and the second sealing plate 3.4, and a serpentine shape is formed between the horizontal fin plates 8.
Preferably, a brush 9 is further disposed on the top of the vertical portion 4.1 of the connecting groove 4, and the brush 9 extends to the horizontal connecting portion 3.3 of the annular groove 3.
This seal structure sets up multiple snakelike structure, and dust, rainwater, salt particle etc. entering cabin are avoided that can be fine to the shock resistance is good.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (8)
1. A sealing structure of a 3MW power generation fan air guide sleeve and a cabin cover mainly comprises the air guide sleeve and the cabin cover, wherein the air guide sleeve is installed on a main shaft, an annular groove with an inverted U-shaped cross section is arranged on the front end face of the cabin cover, the annular groove comprises a right connecting part, a left connecting part and a horizontal connecting part, the right connecting part is connected with the front end face of the cabin cover, and the horizontal connecting part is parallel to the main shaft.
2. The sealing structure of the air guide sleeve and the cabin cover of the 3MW power generation fan as claimed in claim 1, wherein: the free end parts of the first sealing plate and the second sealing plate are spherical or dovetail-shaped.
3. The sealing structure of the air guide sleeve and the cabin cover of the 3MW power generation fan as claimed in claim 1, wherein: the vertical part lateral wall of spread groove is equipped with the first lug of dovetail, the rear end terminal surface of kuppe is equipped with the first recess that matches with it, first lug card is gone into first recess.
4. The sealing structure of the air guide sleeve and the cabin cover of the 3MW power generation fan as claimed in claim 1 or 3, wherein: still set up first blotter between the rear end terminal surface of the vertical portion of spread groove and kuppe, by bolted connection between the rear end terminal surface of the vertical portion of spread groove and kuppe.
5. The sealing structure of the air guide sleeve and the cabin cover of the 3MW power generation fan as claimed in claim 1, wherein: the right connecting portion lateral wall of ring channel is equipped with dovetail second lug, the front end terminal surface of cabin cover is equipped with the second recess that matches with it, second lug card is gone into the second recess.
6. The sealing structure of the air guide sleeve and the cabin cover of the 3MW power generation fan as claimed in claim 1 or 5, wherein: and a second cushion pad is arranged between the right connecting part of the annular groove and the front end face of the cabin cover, and the right connecting part of the annular groove is connected with the front end face of the cabin cover through a bolt.
7. The sealing structure of the air guide sleeve and the cabin cover of the 3MW power generation fan as claimed in claim 1, wherein: the side walls of the two sides of the first sealing plate and the second sealing plate are respectively provided with a plurality of horizontal fin plates, and a snake shape is formed between the horizontal fin plates.
8. The sealing structure of the air guide sleeve and the cabin cover of the 3MW power generation fan as claimed in claim 1, wherein: the top of the vertical part of the connecting groove is also provided with a brush, and the brush extends to the horizontal connecting part of the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921540317.9U CN211174477U (en) | 2019-09-17 | 2019-09-17 | Sealing structure of 3MW power generation fan air guide sleeve and engine room cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921540317.9U CN211174477U (en) | 2019-09-17 | 2019-09-17 | Sealing structure of 3MW power generation fan air guide sleeve and engine room cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174477U true CN211174477U (en) | 2020-08-04 |
Family
ID=71822152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921540317.9U Active CN211174477U (en) | 2019-09-17 | 2019-09-17 | Sealing structure of 3MW power generation fan air guide sleeve and engine room cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211174477U (en) |
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2019
- 2019-09-17 CN CN201921540317.9U patent/CN211174477U/en active Active
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