CN211116426U

CN211116426U - Anti-corrosion wind driven generator

Info

Publication number: CN211116426U
Application number: CN201920849623.4U
Authority: CN
Inventors: 蒋燕; 高润前; 许春华
Original assignee: Anhui Qihao Machinery Equipment Manufacturing Co ltd
Current assignee: Anhui Qihao Machinery Equipment Manufacturing Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-07-28
Anticipated expiration: 2029-06-06

Abstract

The utility model relates to an anti-corrosion wind driven generator, which comprises a pillar, a generator shell and a blade hub; the blade hub is connected with a motor shell through a transmission shaft; a protection mechanism is arranged outside the transmission shaft, one end of the protection mechanism is seamlessly and rotatably embedded into the inner end face of the blade hub, and the other end of the protection mechanism is fixedly connected with the side face of the generator shell; a cavity area between the protection mechanism and the transmission shaft is an inert gas filling area; according to the anti-corrosion wind driven generator, a mechanical protection barrier can be formed outside the transmission part through the arrangement of the outer protective pipe, so that the transmission shaft is isolated from external dust and rainwater, and the corrosion of the transmission shaft is effectively avoided; the inert gas filling area is arranged outside the transmission shaft to form an inert gas protection barrier, so that the oxidation and corrosion of transmission parts are avoided.

Description

Anti-corrosion wind driven generator

Technical Field

The utility model relates to an anticorrosion aerogenerator belongs to aerogenerator preparation technical field.

Background

The wind driven generator is an electric power device which converts wind energy into mechanical work, drives the rotor to rotate and finally outputs alternating current; the wind power generator generally comprises components such as a wind wheel, a generator, a direction regulator, a tower frame, a speed-limiting safety mechanism, an energy storage device and the like;

the wind driven generator needs the transmission of the fan hub and the generator to be assembled together, the middle transmission part can ensure the normal rotation of the blades, the protection structure is relatively weak, and the transmission part of the fan hub and the generator is easily corroded under the long-time erosion of external rainwater and air, so that the transmission strength is reduced, and the sealing performance is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an it is not enough to prior art exist, provides an anticorrosion aerogenerator, and concrete technical scheme is as follows:

an anti-corrosion wind driven generator comprises a pillar, a generator shell and a blade hub; the blade hub is connected with a motor shell through a transmission shaft; a protection mechanism is arranged outside the transmission shaft, one end of the protection mechanism is seamlessly and rotatably embedded into the inner end face of the blade hub, and the other end of the protection mechanism is fixedly connected with the side face of the generator shell; and a cavity area between the protection mechanism and the transmission shaft is an inert gas filling area.

Preferably, the protection mechanism comprises an outer tube body, a first connecting ring and a second connecting ring, the outer tube body is sleeved outside the transmission shaft, the outer tube body and the transmission shaft are located at the same center line, the first connecting ring is arranged at one end of the outer tube body, the first connecting ring is rotatably embedded in the inner end face of the blade wheel hub, the second connecting ring is arranged at the other end of the outer tube body, and the second connecting ring is fixedly connected with the generator housing through screws.

Preferably, the first connection ring and the second connection ring are both arranged perpendicular to the outer wall of the outer tube body, and the diameter of the second connection ring is larger than that of the first connection ring.

Preferably, the bottom surface of the outer tube body is provided with a gas filling joint, the gas filling joint is communicated to the inert gas tank through a gas filling mechanism, and the gas filling mechanism is used for conveying inert gas in the inert gas tank to the inert gas filling area.

Preferably, the gas filling mechanism comprises a gas guide pipe, a guide hose and a barometer, one end of the guide hose is connected with the gas filling connector, the other end of the guide hose is communicated with the top end of the gas guide pipe, the gas guide pipe is arranged on the outer wall of the strut, the bottom end of the gas guide pipe is communicated to the inert gas tank, and the barometer is arranged on the outer wall of the gas guide pipe.

Preferably, the inert gas tank is installed in the middle of the outer wall of the support column, and the anchor ear of the inert gas tank is installed on the outer wall of the support column.

The utility model has the advantages that: a mechanical protection barrier can be formed outside the transmission part through the arrangement of the outer protective pipe, so that the transmission shaft is isolated from external dust and rainwater, and the corrosion of the transmission shaft is effectively avoided; the inert gas filling area is arranged outside the transmission shaft to form an inert gas protection barrier, so that the transmission part is prevented from being oxidized and corroded by air.

Drawings

Fig. 1 is a schematic structural view of an anti-corrosion wind power generator according to the present invention;

fig. 2 is a schematic structural view of the protection mechanism of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention;

reference numerals: 1. the device comprises a support column, 2, a generator housing, 3, a blade hub, 31, a transmission shaft, 4, an air charging mechanism, 41, an air guide pipe, 42, a guide hose, 43, a gas pressure meter, 5, an inert gas tank, 6, a protection mechanism, 61, an outer pipe body, 611, an air charging connector, 62, a first connecting ring, 63, a second connecting ring, 7 and an inert gas filling area.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

An anti-corrosion wind driven generator comprises a support column 1, a generator shell 2 and a blade hub 3; the blade hub 3 is connected with the generator shell 2 through a transmission shaft 31; the generator housing 2 is internally provided with main components such as a wind driven generator, a gear mechanism, an inverter and the like; when the blades rotate, the generator shell 2 is driven to rotate through the transmission shaft 31;

a protection mechanism 6 is installed outside the transmission shaft 31, one end of the protection mechanism 6 is seamlessly and rotatably embedded into the inner end face of the blade hub 3, and the other end of the protection mechanism 6 is fixedly connected with the side face of the generator housing 2; the cavity area between the protection mechanism 6 and the transmission shaft 31 is an inert gas filling area 7; the protection mechanism 6 is used for forming a protection barrier outside the connection part of the transmission shaft 31, so that water seepage and dust entering at the connection part are avoided, and the transmission smoothness is ensured; the inert gas filling area 7 is filled with inert gas, so that an inert protection barrier can be formed outside the transmission shaft 31, and the oxidation and corrosion of transmission parts are avoided.

As an improvement of the above technical solution, the protection mechanism 6 includes an outer tube 61, a first connection ring 62 and a second connection ring 63, the outer tube 61 is sleeved outside the transmission shaft 31, the outer tube 61 and the transmission shaft 31 are located at the same center line, one end of the outer tube 61 is provided with the first connection ring 62, the first connection ring 62 is rotatably embedded in the inner end surface of the blade hub 3, the other end of the outer tube 61 is provided with the second connection ring 63, and the second connection ring 63 is fixedly connected to the generator housing 2 through screws; when the blade hub 3 rotates, the generator is driven to rotate through the transmission shaft 31, and the first connecting ring 62 can rotate in the blade hub 3, so that the protective sealing effect is ensured; the second connection ring 63 can facilitate the mounting and fixing of the protection mechanism 6.

As a modification of the above technical solution, the first connection ring 62 and the second connection ring 63 are both arranged perpendicular to the outer wall of the outer tube 61, and the diameter of the second connection ring 63 is larger than that of the first connection ring 62; the first connecting ring 62 and the second connecting ring 63 are both arranged in a covered edge structure, so that the connection firmness is improved, and the sealing effect of the rotating position can be improved.

As an improvement of the above technical solution, a gas adding joint 611 is arranged on the bottom surface of the outer tube body 61, the gas adding joint 611 is communicated to the inert gas tank 5 through a gas adding mechanism 4, and the gas adding mechanism 4 is used for conveying the inert gas in the inert gas tank 5 to the inert gas filling area 7; the arrangement of the gas filling joint 611 and the gas filling mechanism 4 can facilitate workers to quickly add inert gas, and can also quickly supplement the inert gas after the inert gas is dissipated, so that the sealing effect is ensured, the arrangement of the inert gas tank 5 can fill the inert gas filling area 7 for multiple times, the workers do not need to carry the inert gas tank 5, and after one bottle of the inert gas tank 5 is used up, only a new bottle of inert gas tank is needed to be replaced, so that the gas filling is simpler, more convenient and quicker.

As an improvement of the above technical solution, the gas adding mechanism 4 includes a gas guide tube 41, a guide hose 42 and a barometer 43, one end of the guide hose 42 is connected to the gas adding connector 611, the other end of the guide hose 42 is communicated with the top end of the gas guide tube 41, the gas guide tube 41 is installed on the outer wall of the strut 1, the bottom end of the gas guide tube 41 is communicated to the inert gas tank 5, and the barometer 43 is installed on the outer wall of the gas guide tube 41; the barometer 43 can monitor the air pressure in the inert gas filling area 7 in real time, so that a worker can find whether the gas leaks in time, and when the air pressure is reduced, an exhaust valve on the inert gas tank 5 can be opened to supplement the gas, so that the air pressure reaches a standard value; when the inert gas pressure drops at a high speed, the sealing performance of the protection mechanism 6 is reduced, and a worker can climb to the top end of the pillar 1 to overhaul the protection mechanism 6.

As an improvement of the technical scheme, the inert gas tank 5 is arranged in the middle of the outer wall of the support column 1, and the anchor ear of the inert gas tank 5 is arranged on the outer wall of the support column 1; the inert gas tank 5 is arranged in the middle, so that the phenomenon that the inert gas tank is too low and easy to lose and damage can be avoided, and the phenomenon that the inert gas tank is too high and inconvenient to operate can be avoided; the hoop is arranged to facilitate the installation and the disassembly of the inert gas tank 5.

As shown in fig. 1, fig. 1 is a schematic structural diagram of an anti-corrosion wind driven generator according to the present invention;

the inert tank 5 is arranged on the outer wall of the support 1 by a hoop; an exhaust valve is arranged at the outlet end of the inert tank 5, the outlet end of the exhaust valve is communicated with an air duct 41, the air duct 41 is welded on the strut 1, and the top end of the air duct 41 is communicated to the protection mechanism 6 through a diversion hose 42;

the barometer 43 is installed on the outer wall of the air duct 41, the air pressure between the air duct 41 and the inside of the protection mechanism 6 is the same, and the barometer 43 is used for detecting the air pressure in the protection mechanism 6.

As shown in fig. 2, fig. 2 is a schematic structural view of the protection mechanism of the present invention;

the first connecting ring 62, the outer tube body 61 and the third connecting ring 63 are in an I shape, the diameter of the first connecting ring 62 is smaller than that of the third connecting ring 63, the middle part of the outer tube body 61 is of a hollow structure, the bottom surface of the outer tube body 61 is provided with a gas filling joint 611, and the surface of the second connecting ring 63 is provided with a plurality of connecting holes 631.

As shown in fig. 3, fig. 3 is an enlarged schematic structural diagram of a position a shown in the present invention;

the outer tube body 61 and the transmission shaft 31 are located at the same center line, and the inner end surface of the blade hub 3 is provided with a chute structure matched with the first connecting ring 62.

When the utility model is implemented, when the wind driven generator works, the blade drives the blade hub 3 to rotate, and further drives the transmission shaft 31 to drive the generator in the generator shell 2 to rotate so as to realize power generation;

when the blade hub 3 rotates, the first connecting ring 62 relatively rotates in the chute structure of the blade hub 3, so that the outer tube 61 still performs sealing protection on the connection part of the transmission shaft 31 while the rotation is ensured; the inert gas is filled in the inert gas filling area 7, so that the transmission shaft 31 can not be corroded by the gas; external rainwater can be blocked by the outer pipe body 61 and cannot penetrate into the inert gas filling area 7, so that the transmission shaft 31 and the connecting part are prevented from being corroded by rainwater;

when the gas in the inert gas filling area 7 is partially dissipated, the value of the barometer 43 is relatively decreased, and when the value is decreased to a lower value, the valve body of the inert gas tank 5 is opened, so that the inert gas is discharged into the gas guide tube 41, the inert gas is exemplified by nitrogen, and then the inert gas is discharged into the inert gas filling area 7 through the guide hose 42 and the gas adding connector 611, so that the inert gas is quickly supplemented, and the corrosion prevention effect is ensured.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An anti-corrosion wind driven generator, characterized in that: comprises a strut (1), a generator shell (2) and a blade hub (3); the blade hub (3) is connected with the motor shell (2) through a transmission shaft (31); a protection mechanism (6) is mounted outside the transmission shaft (31), one end of the protection mechanism (6) is embedded into the inner end face of the blade hub (3) in a seamless rotating mode, and the other end of the protection mechanism (6) is fixedly connected with the side face of the generator shell (2); the cavity area between the protection mechanism (6) and the transmission shaft (31) is an inert gas filling area (7).

2. The anti-corrosion wind power generator according to claim 1, wherein: protection mechanism (6) include outer body (61), first go-between (62) and second go-between (63), outer body (61) cover is located the outside of transmission shaft (31), outer body (61) transmission shaft (31) are located same central line department, the one end of outer body (61) is equipped with first go-between (62), first go-between (62) rotate imbed in the interior terminal surface of blade wheel hub (3), the other end of outer body (61) is equipped with second go-between (63), second go-between (63) pass through screw fixed connection generator casing (2).

3. The anti-corrosion wind power generator according to claim 2, wherein: the first connecting ring (62) and the second connecting ring (63) are both arranged perpendicular to the outer wall of the outer pipe body (61), and the diameter of the second connecting ring (63) is larger than that of the first connecting ring (62).

4. An anti-corrosion wind power generator according to claim 2 or 3, characterized in that: the bottom surface of the outer pipe body (61) is provided with a gas filling joint (611), the gas filling joint (611) is communicated to an inert gas tank (5) through a gas filling mechanism (4), and the gas filling mechanism (4) is used for conveying inert gas in the inert gas tank (5) to the inert gas filling area (7).

5. The anti-corrosion wind power generator according to claim 4, wherein: the gas filling mechanism (4) comprises a gas guide pipe (41), a flow guide hose (42) and a barometer (43), a gas filling connector (611) is connected to one end of the flow guide hose (42), the other end of the flow guide hose (42) is communicated with the top end of the gas guide pipe (41), the gas guide pipe (41) is installed on the outer wall of the support column (1), the bottom end of the gas guide pipe (41) is communicated to the inert gas tank (5), and the barometer (43) is installed on the outer wall of the gas guide pipe (41).

6. The anti-corrosion wind power generator according to claim 5, wherein: the device is characterized in that the inert gas tank (5) is arranged in the middle of the outer wall of the support column (1), and the anchor ear of the inert gas tank (5) is arranged on the outer wall of the support column (1).