CN212318222U - Signal tower wind power generation device - Google Patents

Abstract

The utility model relates to a can give signal tower wind power generation set of signal tower power supply. The signal tower wind power generation device comprises a machine base, a wind wheel mechanism and a generator, and is characterized in that: the engine base is provided with a guide post, the wind wheel mechanism is arranged on a wheel hub, the wheel hub is rotatably arranged on the guide post, a transmission gear is arranged on the wheel hub, the engine base is provided with an accelerating gear mechanism, the input end of the accelerating gear mechanism is in transmission connection with the transmission gear, and the output end of the accelerating gear mechanism is in transmission connection with the generator. The signal tower wind power generation device is arranged on a signal tower, can efficiently convert wind energy into electric energy to supply power to the signal tower, reduces the dependence of the signal tower on a power grid, and achieves the purposes of energy conservation and emission reduction.

Description

Signal tower wind power generation device

Technical Field

The utility model relates to a wind power generation set, concretely relates to wind power generation set for signal tower power supply.

Background

The signal tower is a wireless signal transmitting device established by network operators of China Unicom, China telecom Mobile and the like, is shaped like a tower and is called as the signal tower. The existing signal tower is connected to a power grid, and the power grid supplies power to the existing signal tower. However, the signal tower is transmitting signals at any moment, and the power consumption is not stopped for 24 hours. The signal tower is generally installed in an open area, the tower top is generally higher, the wind power of the environment where the signal tower is located is larger, and if the wind power can be utilized and converted into the electric power to supply power to the signal tower, the dependence on a power grid can be greatly reduced, and the energy consumption is remarkably reduced.

Disclosure of Invention

In view of the deficiencies in the prior art, the utility model discloses the innovation provides a can give signal tower wind power generation set of signal tower power supply.

The signal tower wind power generation device comprises a machine base, a wind wheel mechanism and a generator, and is characterized in that: install the guide post on the frame, the wind wheel mechanism is installed on wheel hub, wheel hub rotationally installs on the guide post, wheel hub installs drive gear on, install increasing gear mechanism on the frame, increasing gear mechanism's input and drive gear transmission are connected, increasing gear mechanism's output and generator transmission are connected.

The speed-increasing gear mechanism comprises a gear box and a first-level speed-increasing gear assembly, a second-level speed-increasing gear assembly and a third-level speed-increasing gear assembly which are arranged in the gear box, wherein the first-level speed-increasing gear assembly comprises a first-level rotating shaft, a first-level pinion and a first-level gear wheel, the first-level pinion and the first-level gear wheel are arranged on the first-level rotating shaft, the second-level speed-increasing gear assembly comprises a second-level rotating shaft, a second-level pinion and a second-level gear wheel, the second-level pinion and the second-level gear wheel are arranged on the second-level rotating shaft, the third-level speed-increasing gear assembly comprises a third-level rotating shaft, a third-level pinion and a third-level gear wheel, the third-level pinion and, the output main shaft is in transmission connection with an input shaft of the generator.

The gearbox is provided with a gearbox bottom plate and a gearbox cover plate, the guide column is arranged in the center of the gearbox cover plate, a supporting seat is arranged on the gearbox bottom plate, the second-stage rotating shaft is connected between the gearbox cover plate and the supporting seat through a bearing, the first-stage rotating shaft is connected between the gearbox bottom plate and the gearbox cover plate through a bearing, the third-stage rotating shaft is connected between the gearbox bottom plate and the gearbox cover plate through a bearing, the second-stage rotating shaft is located between the first-stage rotating shaft and the third-stage rotating shaft, the output main shaft is installed in the center of the supporting seat through a bearing, and the output main shaft, the.

The wind wheel mechanism is including a plurality of fan blade unit, the fan blade unit includes fan blade arm and installs the fan blade on the fan blade arm, the fan blade is including two upper and lower apron, two fixed curb plates of cambered surface and two cambered surface activity curb plates, two fixed curb plate fixed connection of cambered surface are between two upper and lower apron, form the ventilation opening between two fixed curb plates of cambered surface, a cambered surface activity curb plate articulates on a cambered surface fixed curb plate, another cambered surface activity curb plate articulates on another cambered surface fixed curb plate, two cambered surface activity curb plates have open mode that forms the ventilation opening and close the closed mode who forms the arc surface with two fixed curb plates of cambered surface.

The cambered surface movable side plate is hinged to the cambered surface fixed side plate through a hinge, the hinge is provided with a pin shaft, a movable leaf and a fixed leaf, the movable leaf is connected to the cambered surface movable side plate, the fixed leaf is connected to the cambered surface fixed side plate, a corrugated pad and a wear-resistant sheet are sleeved on the pin shaft, and the corrugated pad and the wear-resistant sheet are extruded together between the movable leaf and the fixed leaf.

The fan blade is provided with an external magnetic limiting piece and an internal magnetic limiting piece which limit the rotation of the cambered surface movable side plate within a set range.

The guide post passes wheel hub, the lightning rod is installed to the upper end of guide post, the guide post has the through-wire hole.

The hub is provided with a waterproof boss, and the lower part of the connecting seat of the lightning rod covers the waterproof boss.

The wind wheel mechanism comprises a wind wheel arm, a wind groove and wind wheel blades, the wind wheel blades are rotatably installed in the wind groove, the wind groove is installed on the wind wheel arm, and the wind groove is provided with a wind outlet channel.

The wind wheel arm is rotatably and adjustably arranged on the hub, a small motor is arranged on the inner side of the hub, and the wind wheel arm is in transmission connection with the small motor; the wind wheel mechanism comprises a small generator, the wind wheel blades are in transmission connection with the small generator, and the small generator supplies power for the small motor.

According to the utility model provides a pair of signal tower wind power generation set for install on the signal tower, can change the electric energy into with wind energy high efficiency for the signal tower power supply, reduce the dependence of signal tower to the electric wire netting, reach energy saving and emission reduction's purpose.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a generator portion according to the present invention;

FIG. 3 is a schematic structural view of a speed increasing gear mechanism;

FIG. 4 is a top view of the wind turbine mechanism;

fig. 5 is a top view of the fan blade unit;

FIG. 6 is a front view of the fan blade unit;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

FIG. 8 is a schematic structural view of another embodiment of the present invention (with another wind wheel mechanism installed);

FIG. 9 is a top view of FIG. 8;

fig. 10 is a cross-sectional view of B-B in fig. 8.

Detailed Description

As shown in fig. 1, the wind power generation device of the signal tower comprises a base 1, a wind wheel mechanism 3 and a generator 2, wherein the wind wheel mechanism 3 and the generator 2 are both mounted on the base 1, the base 1 is mounted on the signal tower, the wind wheel mechanism 3 can capture wind energy and convert the wind energy into mechanical energy to drive the generator 2 to generate power, and the electric energy generated by the generator 2 supplies power for the signal tower.

As shown in fig. 2, the utility model discloses install guide post 5 on frame 1 (guide post 5 specifically installs on gear box 8, and gear box 8 installs on frame 1), wind wheel mechanism 3 installs on wheel hub 1, wheel hub 1 passes through the bearing and rotationally installs on guide post 5 (guide post 5 passes wheel hub 1, and lie in wheel hub 1's center), install drive gear 41 on wheel hub 4, install acceleration gear mechanism (acceleration gear mechanism installs in the gear box) on frame 1 in addition, this acceleration gear mechanism's input is connected with drive gear 41 transmission, and acceleration gear mechanism's output and generator 2 transmission are connected. The wind wheel mechanism 3 drives the wheel hub 4 to rotate under the action of wind power, the transmission gear 41 on the wheel hub 4 drives the speed-increasing gear mechanism, and the speed-increasing gear mechanism drives the generator 2 to generate electricity after being increased in speed.

As shown in fig. 2, the speed-increasing gear mechanism includes a gear box, a first-stage speed-increasing gear assembly installed in the gear box, a second-stage speed-increasing gear assembly and a third-stage speed-increasing gear assembly, the first-stage speed-increasing gear assembly includes a first-stage rotating shaft 12, a first-stage pinion 10 and a first-stage bull gear 11, the first-stage pinion 10 and the first-stage bull gear 11 are installed on the first-stage rotating shaft 12, the second-stage speed-increasing gear assembly includes a second-stage rotating shaft 14, a second-stage pinion 13 and a second-stage bull gear 15, the second-stage pinion 13 and the second-stage bull gear 15 are installed on the second-stage rotating shaft 14, the third-stage speed-increasing gear assembly includes a third-stage rotating shaft 17, a third-stage pinion 16 and a third, the three-stage gearwheel 18 is engaged with an input gear 19 mounted on an output main shaft 20, and the output main shaft 20 is in transmission connection with the generator 2.

When the hub 4 rotates, the transmission gear 41 drives the first-stage pinion 10 to rotate, the first-stage bull gear 11 rotates simultaneously, the linear velocity of the first-stage bull gear 11 is greater than that of the first-stage pinion 10, and therefore primary acceleration is achieved; the first-stage large gear 11 drives the second-stage small gear 13, the second-stage large gear 15 rotates at the same time, the linear speed of the second-stage large gear 15 is greater than that of the second-stage small gear 13, and therefore secondary acceleration is achieved; the second-stage large gear 15 drives the third-stage small gear 16, the third-stage large gear 18 rotates at the same time, and the linear speed of the third-stage large gear 18 is greater than that of the third-stage small gear 16, so that three-time acceleration is achieved; and finally, the three-stage large gear 18 drives the output main shaft 20 to rotate, and the output main shaft 20 drives the generator 2 to do work to generate power.

As shown in fig. 3, the gear case 8 has a gear case bottom plate 81 and a gear case cover plate 80, and the guide post 5 is provided at the center of the gear case cover plate 80 (the guide post 5 and the gear case cover plate 80 may be designed integrally or may be designed separately by flange connection). In order to optimize 8 inner structure of gear box better, reduce the 8 volumes of gear box, reduce the coefficient of friction between the transmission simultaneously, the utility model discloses be equipped with bearing 7 on gear box bottom plate 81, second grade pivot 14 passes through the bearing and connects between gear box apron 80 and bearing 7, one-level pivot 12 passes through the bearing and connects between gear box bottom plate 81 and gear box apron 80, tertiary pivot 17 passes through the bearing and connects between gear box bottom plate 81 and gear box apron 80, second grade pivot 14 is located between one-level pivot 12 and the tertiary pivot 17, output main shaft 20 passes through the bearing and installs at bearing 7 center, output main shaft 20, second grade pivot 14 and guide post 5 keep coaxial. Because the second-stage rotating shaft 14 is positioned between the first-stage rotating shaft 12 and the third-stage rotating shaft 17, the internal space of the gear box 8 is utilized to the maximum extent, the size and the weight of the gear box 8 are reduced, meanwhile, the supporting seat 7 can enable the installation of the output main shaft 20 and the installation of the second-stage rotating shaft 14 to be coaxial with the guide post 5, the utilization rate of the internal space of the gear box 8 is further improved, the size and the weight of the gear box 8 are further reduced, the resistance of wind is greatly reduced, the stability is improved to a great extent, the manufacturing cost is reduced, the friction coefficient between transmission can be reduced due to the arrangement of the bearing, and the power generation efficiency is improved.

As shown in fig. 4, the wind wheel mechanism 3 includes a plurality of blade units, and each blade unit includes a blade arm 30 and a blade 31 mounted on the blade arm 30. As shown in fig. 5, the fan blade 31 includes two upper and lower cover plates 310, two arc-surface fixed side plates 311 and two arc-surface movable side plates 312, the two arc-surface fixed side plates 311 are fixedly connected between the two upper and lower cover plates 310, a ventilation opening is formed between the two arc-surface fixed side plates 311, one of the arc-surface movable side plates 312 is hinged on one arc-surface fixed side plate 311, the other arc-surface movable side plate 312 is hinged on the other arc-surface fixed side plate 311, and the two arc-surface movable side plates 312 have an open state of opening to form the ventilation opening and a closed state of closing to form an arc surface with the two arc. The fan blade structure is very ingenious: when the windward side of the fan blade faces the wind direction, the two cambered movable side plates 312 are closed under the action of the wind force, and form a closed state (a semi-cylindrical shape is formed) of a cambered surface with the two cambered fixed side plates 311, namely, the windward side forms a semi-circular spiral wind cavity, so that the concentrated thrust of the wind is greatly increased when the wind is applied, the efficiency is maximized, and meanwhile, the wind resistance can be reduced to the maximum extent by the outer cambered surfaces; when the leeward side of the fan blade faces the wind direction, the two cambered movable side plates 312 are naturally opened under the action of the wind force, and the wind flows through the ventilation opening between the two cambered fixed side plates 311 (at the moment, the direction of the fan blade is unchanged), so that the resistance of the fan blade 31 can be reduced to the maximum extent. By the structure, wind power can be captured to the maximum extent, and wind resistance can be reduced to the maximum extent. The wind wheel mechanism 3 is suitable for being used in a breeze area, and the application project of breeze power generation is completed by closing and opening the fan blades.

As described above, the arc movable side plate 312 is hinged to the arc fixed side plate 311, specifically, hinged to the arc fixed side plate through a hinge, as shown in fig. 6 and 7, the hinge includes a pin 315, a movable leaf 316 and a fixed leaf 317, the movable leaf 316 is connected to the arc movable side plate 312, and the fixed leaf 317 is connected to the arc fixed side plate 311. In order to make the cambered surface movable side plate 312 have a damping effect in the rotating process, the utility model discloses the cover has ripple pad 318 and wear pad 319 on round pin axle 315, and ripple pad 318 squeezes together with wear pad 319 between activity page 316 and stationary page 317. The corrugated pad 318 has elasticity, so that the wear-resistant sheet 319 is squeezed between the movable leaf 316 and the fixed leaf 317, resistance is generated between the movable leaf 316 and the fixed leaf 317, and the cambered movable side plate 315 can slowly rotate to reduce noise.

Of course, in order to limit the rotation of the movable arc-shaped side plates 312 within the set range as described above, as shown in fig. 5, the fan blade 31 further has an external magnetic limiting component 313 and an internal magnetic limiting component 314, and the opening and closing of the two movable arc-shaped side plates 312 are limited by the external magnetic limiting component 313 and the internal magnetic limiting component 314. And the outer magnetic limiting piece 313 and the inner magnetic limiting piece 314 can suck the cambered surface movable side plate 312, so that the cambered surface movable side plate 312 cannot be shaken.

In order to protect the signal tower, avoid suffering the thunderbolt, as shown in fig. 2, the utility model discloses a guide post 5 passes wheel hub 4 to install lightning rod 6 (lightning rod 6 is connected with two kinds of connected modes with guide post 5, the guide post can be withstood with the jackscrew in the side of lightning rod bottom to the miniwatt, and powerful available screw is down through the flange joint installation by down), guide post 5 has through-hole 50 in addition, the earth connection of lightning rod 6 just inserts the ground through this through-hole 50.

In order to prevent the rainwater from entering into wheel hub 4, the utility model discloses be equipped with waterproof boss 40 on wheel hub 4, and waterproof boss 40 is covered to the connecting seat 60 lower part of lightning rod 6. The connecting seat 60 of the lightning rod 6 can prevent rainwater from directly falling into the hub 4, and the waterproof boss 40 on the hub 4 can prevent rainwater on the surface of the hub 4 from flowing into the hub 4.

The utility model provides another kind of wind wheel mechanism, as shown in fig. 8 and fig. 9, this wind wheel mechanism is including wind wheel arm 32, wind groove 33 and wind wheel leaf 34, wind wheel leaf 34 rotationally installs in wind groove 33 (wind groove 33 is the hemisphere type, the windward side is the concave surface, can catch bigger wind-force, and the back is because the cambered surface, but the windage that significantly reduces, wind groove 33 installs on wind wheel arm 32 (as shown in fig. 10, the back of wind wheel arm 32 also is the cambered surface, the same with the principle of wind groove 33, can reduce the windage equally), wind groove 33 has air-out passageway 330 with wind wheel arm 32. As shown in fig. 8, during operation, wind enters the wind groove 33 and pushes the wind wheel blade 34 to rotate, then enters from the wind inlet on the wind groove 33, flows through the wind outlet channel 330, and finally exits from the wind outlet of the wind wheel arm 32, so that the wind wheel mechanism rotates.

The wind wheel mechanism is suitable for being used in areas with rich wind and risk areas with typhoons, when the typhoon weather is needed and the wind wheel mechanism is protected from being affected, the wind wheel arm 32 is rotatably and adjustably arranged on the hub 4, in addition, a small motor 39 is arranged on the inner side of the hub 4, and the wind wheel arm 32 is in transmission connection with the small motor 39. When out of work, just adopt small-size motor 39 to place through multistage speed reduction (output speed is low, and output torque is high), realized that wind wheel mechanism rotation level places (accomplish the overall process through novel electronic control technique), the concave surface of wind groove 33 is down promptly, the cambered surface of wind groove 33 is up, and wind-force only is used in the cambered surface of wind groove 33 like this, and the atress of each direction is the same, and wind groove 33 just can not rotate like this, is in the stop state to avoid receiving the typhoon influence.

The small motor 39 needs electricity for work, in order to supply power to the small motor 39, the wind wheel mechanism 3 comprises a small generator 38, the wind wheel blade 34 is in transmission connection with the small generator 38, the wind wheel blade 34 rotates to drive the small generator 38 to generate power, and therefore the small generator 38 supplies power to the small motor 39.

Claims (10)

1. Signal tower wind power generation set, including frame (1), wind wheel mechanism (3) and generator (2), its characterized in that: install guide post (5) on frame (1), install on wheel hub (4) wind wheel mechanism (3), wheel hub (4) rotationally install on guide post (5), install drive gear (41) on wheel hub (4), install increasing gear mechanism on frame (1), increasing gear mechanism's input and drive gear (41) transmission are connected, increasing gear mechanism's output and generator (2) transmission are connected.

2. The signal tower wind power plant of claim 1, wherein: the speed-increasing gear mechanism comprises a gear box (8) and a first-level speed-increasing gear assembly, a second-level speed-increasing gear assembly and a third-level speed-increasing gear assembly which are arranged in the gear box (8), wherein the first-level speed-increasing gear assembly comprises a first-level rotating shaft (12), a first-level pinion (10) and a first-level gear wheel (11), the first-level pinion (10) and the first-level gear wheel (11) are arranged on the first-level rotating shaft (12), the second-level speed-increasing gear assembly comprises a second-level rotating shaft (14), a second-level pinion (13) and a second-level gear wheel (15), the second-level pinion (13) and the second-level gear wheel (15) are arranged on the second-level rotating shaft (14), the third-level speed-increasing gear assembly comprises a third-level rotating shaft (17), the power generation device is characterized in that the first-level pinion (10) is meshed with the transmission gear (41), the first-level gearwheel (11) is meshed with the second-level pinion (13), the second-level gearwheel (15) is meshed with the third-level pinion (16), the third-level gearwheel (18) is meshed with an input gear (19) installed on the output main shaft (20), and the output main shaft (20) is in transmission connection with an input shaft of the power generator (2).

3. The signal tower wind power plant of claim 2, wherein: the gear box (8) is provided with a gear box bottom plate (81) and a gear box cover plate (80), the guide post (5) is arranged at the center of the gear box cover plate (80), the gear box bottom plate (81) is provided with a supporting seat (7), the secondary rotating shaft (14) is connected between the gear box cover plate (80) and the supporting seat (7) through a bearing, the primary rotating shaft (12) is connected between the gear box bottom plate (81) and the gear box cover plate (80) through a bearing, the three-stage rotating shaft (17) is connected between the gear box bottom plate (81) and the gear box cover plate (80) through a bearing, the second-stage rotating shaft (14) is positioned between the first-stage rotating shaft (12) and the third-stage rotating shaft (17), the output main shaft (20) is arranged at the center of the supporting seat (7) through a bearing, the output main shaft (20), the secondary rotating shaft (14) and the guide post (5) keep coaxial.

4. The signal tower wind power plant of claim 1 or 2, wherein: the wind wheel mechanism (3) is including a plurality of fan blade unit, the fan blade unit includes fan blade arm (30) and installs fan blade (31) on fan blade arm (30), fan blade (31) are including two apron (310) from top to bottom, two fixed curb plate of cambered surface (311) and two cambered surface activity curb plate (312), two fixed curb plate of cambered surface (311) fixed connection are between two apron (310) from top to bottom, form the ventilation opening between two fixed curb plate of cambered surface (311), a cambered surface activity curb plate articulates on a fixed curb plate of cambered surface, another cambered surface activity curb plate articulates on another fixed curb plate of cambered surface, two movable curb plate of cambered surface (312) have open mode that opens formation ventilation opening to and close and form the closed mode of cambered surface with two fixed curb plate of cambered surface (311).

5. The signal tower wind power plant of claim 4, wherein: the cambered surface movable side plate (312) is hinged to a cambered surface fixed side plate (311) through a hinge, the hinge is provided with a pin shaft (315), a movable leaf (316) and a fixed leaf (317), the movable leaf (316) is connected to the cambered surface movable side plate (312), the fixed leaf (317) is connected to the cambered surface fixed side plate (311), a corrugated pad (318) and a wear-resistant sheet (319) are sleeved on the pin shaft (315), and the corrugated pad (318) and the wear-resistant sheet (319) are extruded together between the movable leaf (316) and the fixed leaf (317).

6. The signal tower wind power plant of claim 5, wherein: the fan blade (31) is provided with an outer magnetic limiting piece (313) and an inner magnetic limiting piece (314) which limit the rotation of the cambered surface movable side plate (312) within a set range.

7. The signal tower wind power plant of claim 1, wherein: the wheel hub (4) is passed in guide post (5), lightning rod (6) are installed to the upper end of guide post (5), guide post (5) have through-wire hole (50).

8. The signal tower wind power plant of claim 7, wherein: the wheel hub (4) is provided with a waterproof boss (40), and the lower part of the connecting seat (60) of the lightning rod (6) covers the waterproof boss (40).

9. The signal tower wind power plant of claim 1, wherein: the wind wheel mechanism (3) comprises a wind wheel arm (32), a wind groove (33) and wind wheel blades (34), the wind wheel blades (34) are rotatably installed in the wind groove (33), the wind groove (33) is installed on the wind wheel arm (32), and the wind groove (33) is provided with a wind outlet channel (330).

10. The signal tower wind power plant of claim 9, wherein: the utility model discloses a wind wheel mechanism, including wheel hub (4), wheel hub (4) and wind wheel arm (32), install small-size motor (39) on wheel hub (4) inboard with rotatable regulation, wind wheel arm (32) are connected with small-size motor (39) transmission, wind wheel mechanism (3) are including small-size generator (38), wind wheel piece (34) are connected with small-size generator (38) transmission, small-size generator (38) are small-size motor (39) power supply.

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