CN209908798U - Novel sealed fan for offshore wind power - Google Patents
Novel sealed fan for offshore wind power Download PDFInfo
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- CN209908798U CN209908798U CN201920213204.1U CN201920213204U CN209908798U CN 209908798 U CN209908798 U CN 209908798U CN 201920213204 U CN201920213204 U CN 201920213204U CN 209908798 U CN209908798 U CN 209908798U
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Abstract
The utility model discloses a novel sealing fan for offshore wind power, including motor, impeller, screen panel, the motor includes the motor shaft of being connected with the impeller, the motor flange of being connected with the screen panel, the middle part of screen panel is equipped with the screen panel flange that corresponds with the motor flange, the middle part of screen panel flange is equipped with the through-hole that can supply the motor shaft to pass. Be equipped with a sealing connection subassembly between impeller and the motor shaft, be equipped with No. two sealing connection subassemblies between motor flange, the screen panel flange. The utility model discloses a sealing connection subassembly, No. two sealing connection subassemblies have reduced the clearance of fan junction, have strengthened the leakproofness, and then have reduced the corruption of junction and have rusted, have improved the life of fan.
Description
Technical Field
The utility model relates to a marine wind power field especially relates to a novel sealed fan for marine wind power.
Background
Offshore wind power is an important clean energy, and is rapidly developed in recent years due to the characteristics of high wind speed, stable wind frequency, small cutting, rich resources, no land occupation, suitability for large-scale development and the like, and the advantages of being close to economically developed areas, close to a power load center, strong in power consumption, free of access and power limitation problems and the like.
The water cooling fan is an important working part of offshore wind power and is generally arranged outside a cabin, and the fan is a part of the water cooling fan and mainly comprises a motor, an impeller and a mesh enclosure. When the motor is installed, the flange surface of the motor is fixedly connected with the flange surface of the mesh enclosure through bolts, and the rotating shaft of the motor penetrates through the mesh enclosure and is coaxially connected with the impeller through bolts. In order to meet the requirement of high-standard salt mist on the sea, the exposed part of the water cooling fan is made of high-corrosion-resistant material at present, but gaps are inevitably reserved at the joints of the motor, a mesh enclosure and an impeller, and rainwater or humid air enters the threaded part of the joint from the gaps, so that the water cooling fan is corroded and rusted; in addition, because the motor during operation can generate heat, inside and outside difference in temperature can lead to the inside comdenstion water that produces of motor, also can produce to corrode and rust if the comdenstion water oozes from the screw thread position of motor shaft, and then influences the operation of fan, leads to fan life to reduce.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a novel sealed fan for offshore wind power has improved the leakproofness of fan junction, has reduced the corrosion of junction and has rusted, and then has improved the life of fan.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a novel sealing fan for offshore wind power, includes motor, impeller, screen panel, the motor includes the motor shaft of being connected with the impeller, the motor flange of being connected with the screen panel, the middle part of screen panel is equipped with the screen panel flange that corresponds with the motor flange, the middle part of screen panel flange is equipped with the through-hole that can supply the motor shaft to pass. A first sealing connection assembly is arranged between the impeller and the motor shaft, and a second sealing connection assembly is arranged between the motor flange and the mesh enclosure flange;
the first sealing connection assembly comprises a shaft sleeve which is integrally formed with the impeller and is positioned at the axis of the impeller, a first sealing cavity, a second sealing cavity and a third sealing cavity which are communicated with each other are sequentially arranged in the shaft sleeve, and a connecting piece in threaded connection with the second sealing cavity is arranged in the second sealing cavity; one end of the connecting piece extends into the first sealing cavity and is connected with the first sealing cavity in a sealing mode, and the other end of the connecting piece extends into the third sealing cavity and is connected with the motor shaft in a sealing mode;
and the second sealing and connecting assembly comprises an annular sealing groove positioned on one side of the mesh enclosure flange and a sealing lug positioned on the motor flange, and the sealing lug is tightly embedded in the annular sealing groove.
The beneficial effects of the utility model reside in that: the connection between the impeller and the motor is limited in the shaft sleeve through the arrangement of the shaft sleeve, so that the contact between the connection part and the external environment is reduced; the fixed connection between the connecting piece and the shaft sleeve is realized through the second sealing cavity, so that the connection between the connecting piece and the impeller is realized, the sealing connection between the connecting piece and the impeller is realized through the first sealing cavity, and the external environment is prevented from contacting the first connecting piece from the first sealing cavity; the third sealing cavity realizes the sealing connection between the connecting piece and the motor shaft, and avoids the leakage of condensed water in the motor from the connection part; the mesh enclosure flange is attached to the motor flange more tightly through the arrangement of the annular sealing groove and the sealing convex block, so that the gap between the mesh enclosure flange and the motor flange is reduced, and the probability of corrosion and rust is reduced. The utility model discloses can improve the leakproofness of fan junction, reduce the corruption of junction and rust, and then improve the life of fan.
Further, the annular sealing groove is coaxially arranged with the through hole, an annular flange is defined between the annular sealing groove and the through hole, and a plurality of bolt holes A distributed in a circumferential array are axially arranged on the annular flange; the middle part of the sealing lug is provided with a ring groove matched with the annular flange, and a bolt hole B matched with the bolt hole A is arranged in the ring groove; when the sealing projection is inserted into the annular sealing groove, the annular flange is inserted into the annular groove, and the bolt hole A is attached to and aligned with the bolt hole B. The connection of the bolt holes A and B is arranged in the ring groove through the arrangement of the ring-shaped flange and the ring groove, so that the contact between the connection part and the external environment is reduced; the ring groove is embedded in the sealing convex block, the sealing convex block is embedded in the ring-shaped sealing groove, and the sealing performance of the connecting part is enhanced through a double embedded structure
Further, a sealing gasket is arranged in the annular sealing groove. The sealing lug is tightly fitted in the annular sealing groove through the sealing gasket.
Further, the connecting piece comprises a sealing part and a threaded part which are integrally formed; the sealing part is tightly attached in the first sealing cavity, and a first sealing ring is fixedly connected to the side wall of the sealing part; the side wall of the threaded portion is provided with an annular groove, and a second sealing ring which is in sealing fit with a motor shaft is arranged in the annular groove. The sealing part and the first sealing cavity are sealed through the first sealing ring; the sealing of the threaded part and the motor shaft is realized through the second sealing ring, and then the phenomenon that condensed water in the motor seeps out of the joint of the motor and the connecting piece is avoided.
Further, a first sealing glue layer is arranged between the sealing part and the first sealing cavity; and a thread locking agent is coated on the side wall of the thread part. The gap between the sealing part and the first sealing cavity is further reduced through the first sealing glue layer, and the sealing performance between the sealing part and the first sealing cavity is enhanced; the gap at the joint of the threaded part and the motor shaft is reduced through the thread locking agent, and the firmness of connection between the threaded part and the motor shaft is improved.
Further, the motor shaft is attached to the third sealing cavity in an interference mode, and a threaded groove used for being embedded into the threaded portion is formed in one end of the motor shaft; and a second sealing glue layer is also arranged between the motor shaft and the third sealing cavity. The motor shaft is attached to the third sealing cavity in an interference fit mode, so that the motor shaft is connected with the shaft sleeve, and synchronous transmission between the motor shaft and the shaft sleeve is further achieved; the motor shaft is connected with the threaded part through the threaded groove; the clearance between the third seal chamber and the motor shaft is further reduced through the second seal glue layer, and the sealing performance between the third seal chamber and the motor shaft is enhanced.
Further, an axial protrusion is further arranged on the side wall of the motor shaft, and an axial groove matched with the axial protrusion is formed in the third sealing cavity. The transmission efficiency between the motor shaft and the shaft sleeve is improved through the matching of the axial protrusions and the axial grooves, and the relative sliding between the motor shaft and the shaft sleeve is avoided.
Furthermore, an end cover convenient for locking the connecting piece is fixedly connected to one end, far away from the thread part, of the sealing part, and a cross groove is formed in the end cover.
Drawings
Fig. 1 is an exploded view of a right side view of an embodiment of the present invention;
fig. 2 is a cross-sectional view of a first seal connection assembly according to an embodiment of the present invention;
FIG. 3 is a partial enlarged view of portion A of FIG. 2;
fig. 4 is a cross-sectional view of a connector according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a shaft sleeve according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a mesh enclosure according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a motor according to an embodiment of the present invention.
In the figure:
1-a motor; 11-motor shaft; 111-axial projection; 12-a motor flange; 121-sealing bumps; 122-bolt hole B; 2-an impeller; 3-a mesh enclosure; 31-a mesh enclosure flange; 311-annular seal groove; 312 — an annular flange; 313-bolt hole A; 41-shaft sleeve; 411-a first sealed chamber; 412-a second sealed chamber; 413-a third sealed chamber; 5-a connector; 51-a seal; 511-seal ring I; 52-a threaded portion; 521-second sealing ring; 53-end cap.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Examples
Referring to fig. 1, the utility model discloses a novel sealing fan for offshore wind power, including motor 1, impeller 2, screen panel 3, motor 1 includes motor shaft 11, the motor flange 12 of being connected with screen panel 3 of being connected with impeller 2, the middle part of screen panel 3 is equipped with the screen panel flange 31 that corresponds with motor flange 12, the middle part of screen panel flange 31 is equipped with the through-hole that can supply motor shaft 11 to pass. Be equipped with a sealing connection subassembly between impeller 2 and motor shaft 11, be equipped with No. two sealing connection subassemblies between motor flange 12, the screen panel flange 31.
Motor 1, impeller 2, screen panel 3 except the structure of junction, all the other structures are prior art, consequently this paper describes the structure of junction emphatically (be a sealing connection subassembly, No. two sealing connection subassemblies promptly), is not being repeated repeatedly to the structure at other positions.
Referring to fig. 2-5, the first sealing and connecting assembly includes a shaft sleeve 41 integrally formed with the impeller 2 and located at the axis of the impeller 2, a first sealing cavity 411, a second sealing cavity 412 and a third sealing cavity 413 which are communicated with each other are sequentially disposed in the shaft sleeve 41, and a connecting member 5 in threaded connection with the second sealing cavity 412 is disposed in the second sealing cavity 412. One end of the connecting piece 5 extends into the first sealed cavity 411 and is connected with the first sealed cavity 411 in a sealing mode, and the other end of the connecting piece extends into the third sealed cavity 413 and is connected with the motor shaft 11 in a sealing mode.
The connecting piece 5 comprises a sealing part 51 and a threaded part 52 which are integrally formed; the sealing part 51 is tightly attached to the inside of the first sealing cavity 411, a first sealing ring 511 is fixedly connected to the side wall of the first sealing cavity, and a first sealing glue layer is arranged between the sealing part 51 and the first sealing cavity 411. An end cover 53 convenient for locking the connecting piece 5 is further fixedly connected to one end, away from the threaded portion 52, of the sealing portion 51, and a cross groove is formed in one end, away from the sealing portion 53, of the end cover 53.
The side wall of the threaded portion 52 is coated with a thread locking agent, the side wall of the threaded portion close to the motor shaft 11 is provided with an annular groove, and a second sealing ring 521 hermetically attached to the motor shaft 11 is arranged in the annular groove.
The motor shaft 11 is attached to the third sealing cavity 413 in an interference mode, a threaded groove used for being embedded into the threaded portion 52 is formed in one end of the motor shaft 11, and a second sealing glue layer is further arranged between the motor shaft 11 and the third sealing cavity 413. An axial protrusion 111 is further arranged on the side wall of the motor shaft 11, and an axial groove matched with the axial protrusion 111 is arranged in the third sealing cavity 413.
Referring to fig. 6-7, the second sealing connection assembly includes an annular sealing groove 311 located on one side of the mesh enclosure flange 31, and a sealing protrusion 121 located on the motor flange 12, where the sealing protrusion 121 is tightly embedded in the annular sealing groove 311.
The annular sealing groove 311 is coaxial with the through hole, and a sealing gasket is arranged inside the annular sealing groove. An annular flange 312 is defined between the annular sealing groove 311 and the through hole, and a plurality of bolt holes A313 distributed in a circumferential array are axially arranged on the annular flange 312; the middle part of the sealing lug 121 is provided with a ring groove matched with the annular flange 312, and a bolt hole B122 matched with the bolt hole A313 is arranged in the ring groove; when the sealing convex block is embedded into the annular sealing groove, the annular flange is embedded into the annular groove, the bolt hole A is attached to the bolt hole B and aligned with the bolt hole B, and the bolt hole A is fixedly connected with the bolt hole B through a bolt.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. A novel sealing fan for offshore wind power comprises a motor (1), an impeller (2) and a mesh enclosure (3), wherein the motor (1) comprises a motor shaft (11) connected with the impeller (2) and a motor flange (12) connected with the mesh enclosure (3), a mesh enclosure flange (31) connected with the motor flange (12) is arranged in the middle of the mesh enclosure (3), and a through hole for the motor shaft (11) to pass through is formed in the middle of the mesh enclosure flange (31); the method is characterized in that: a first sealing connection assembly is arranged between the impeller (2) and the motor shaft (11), and a second sealing connection assembly is arranged between the motor flange (12) and the mesh enclosure flange (31);
the first sealing connection assembly comprises a shaft sleeve (41) which is integrally formed with the impeller (2) and is positioned at the axis of the impeller (2), a first sealing cavity (411), a second sealing cavity (412) and a third sealing cavity (413) which are communicated with each other are sequentially arranged in the shaft sleeve (41), and a connecting piece (5) in threaded connection with the second sealing cavity (412) is arranged in the second sealing cavity (412); one end of the connecting piece (5) extends into the first sealed cavity (411) and is connected with the first sealed cavity in a sealing mode, and the other end of the connecting piece extends into the third sealed cavity (413) and is connected with the motor shaft (11) in a sealing mode;
the second sealing connection assembly comprises an annular sealing groove (311) located on one side of the mesh enclosure flange (31) and a sealing lug (121) located on the motor flange (12), and the sealing lug (121) is tightly embedded into the annular sealing groove (311).
2. The new sealed fan of claim 1, characterized in that: the annular sealing groove (311) is arranged coaxially with the through hole, an annular flange (312) is defined between the annular sealing groove and the through hole, and a plurality of bolt holes A (313) distributed in a circumferential array are axially arranged on the annular flange (312); the middle part of the sealing lug (121) is provided with a ring groove matched with the annular flange (312), and a bolt hole B (122) matched with the bolt hole A (313) is arranged in the ring groove; when the sealing lug (121) is inserted into the annular sealing groove (311), the annular flange (312) is inserted into the annular groove, and the bolt hole A (313) is attached to and aligned with the bolt hole B (122).
3. The new encapsulated fan of claim 2, wherein: and a sealing washer is arranged in the annular sealing groove (311).
4. A novel sealing fan according to any one of claims 1 to 3, characterized in that: the connecting piece (5) comprises a sealing part (51) and a threaded part (52) which are integrally formed; the sealing part (51) is tightly attached in the first sealing cavity (411), and a first sealing ring (511) is fixedly connected to the side wall of the sealing part; the side wall of the threaded portion (52) is provided with an annular groove, and a second sealing ring (521) which is in sealing fit with the motor shaft (11) is arranged in the annular groove.
5. The new encapsulated fan of claim 4, wherein: a first sealing glue layer is further arranged between the sealing part (51) and the first sealing cavity (411); the side wall of the thread part (52) is coated with thread locking agent.
6. The new encapsulated fan of claim 5, wherein: the motor shaft (11) is attached in the third sealing cavity (413) in an interference mode, and one end of the motor shaft is provided with a thread groove used for being embedded into the thread part (52); and a second sealing glue layer is also arranged between the motor shaft (11) and the third sealing cavity (413).
7. The new sealed fan of claim 1, characterized in that: an axial protrusion (111) is further arranged on the side wall of the motor shaft (11), and an axial groove matched with the axial protrusion (111) is formed in the third sealing cavity (413).
8. The new encapsulated fan of claim 4, wherein: an end cover (53) convenient for locking the connecting piece is further fixedly connected to one end, far away from the threaded portion (52), of the sealing portion (51), and a cross groove is formed in the end cover (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213204.1U CN209908798U (en) | 2019-02-20 | 2019-02-20 | Novel sealed fan for offshore wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213204.1U CN209908798U (en) | 2019-02-20 | 2019-02-20 | Novel sealed fan for offshore wind power |
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| Publication Number | Publication Date |
|---|---|
| CN209908798U true CN209908798U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920213204.1U Active CN209908798U (en) | 2019-02-20 | 2019-02-20 | Novel sealed fan for offshore wind power |
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| CN (1) | CN209908798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695586A (en) * | 2019-02-20 | 2019-04-30 | 苏州众志新环冷却设备有限公司 | Novel seal fan for offshore wind farm |
-
2019
- 2019-02-20 CN CN201920213204.1U patent/CN209908798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695586A (en) * | 2019-02-20 | 2019-04-30 | 苏州众志新环冷却设备有限公司 | Novel seal fan for offshore wind farm |
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