CN217107300U

CN217107300U - Speed reducer of wind driven generator

Info

Publication number: CN217107300U
Application number: CN202220899810.5U
Authority: CN
Inventors: 蔡志鹏; 姚剑平; 邓涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-02
Anticipated expiration: 2032-04-19

Abstract

The utility model belongs to the technical field of wind power generation, especially, be a speed reducer of aerogenerator, comprising a base plate, the bottom inner wall of bottom plate is fixed with the backup pad, a lateral wall of bottom plate is rotated through the bearing and is connected with first pivot, the one end of first pivot is fixed with the fan blade, the other end of first pivot is passed through the bearing and is rotated with a lateral wall of backup pad and be connected, the lateral wall sliding connection of backup pad has two T type pieces. The utility model discloses a set up the bottom plate, a supporting plate, first pivot, the second pivot, the third pivot, the circular slab, the arc tooth piece, first gear, the second gear, the chain, actuating mechanism and removal subassembly, when aerogenerator needs to slow down at strong wind weather work, through adjusting the arc tooth piece turning radius in the third pivot, make its turning radius be greater than the epaxial gear of first pivot, it has become after the pinion drives gear wheel pivoted mode with it to play the effect of speed reduction.

Description

Speed reducer of wind driven generator

Technical Field

The utility model relates to a wind power generation technical field specifically is a aerogenerator's decelerator.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and then the rotor finally outputs alternating current, the wind power generator mainly comprises a fan blade, a generator, a direction regulator, a tower frame, a speed-limiting safety mechanism, an energy storage device and other components, when the wind power generator works in the heavy wind weather, in order to avoid the damage of the generator caused by the excessively high rotating speed of the fan blade, a speed reducer is needed to reduce the rotation of the fan blade, the conventional speed reducer generally adopts a friction plate to rub one side of a driving rotating shaft, so that the speed reducer plays a role of reducing, but after the conventional speed reducer reduces the speed of the wind power generator, the conventional speed reducer is not convenient to restore the wind power generator to a normal power generation working state in the normal weather, so that the power generation efficiency of the wind power generator is influenced, and therefore, the speed reducer of the wind power generator is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a aerogenerator's decelerator has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a speed reducer of a wind driven generator comprises a bottom plate, wherein a supporting plate is fixed on the inner wall of the bottom plate, a first rotating shaft is rotatably connected to one side wall of the bottom plate through a bearing, fan blades are fixed at one end of the first rotating shaft, the other end of the first rotating shaft is rotatably connected with one side wall of the supporting plate through a bearing, two T-shaped blocks are slidably connected to the side wall of the supporting plate, the side walls of the two T-shaped blocks are rotatably connected with a second rotating shaft through a bearing, a driving mechanism for driving the T-shaped blocks to move is arranged on one side wall of the supporting plate, a third rotating shaft is rotatably connected to one side wall of the bottom plate through a bearing, a generator body is fixed on the inner wall of the bottom plate, one end of the third rotating shaft is fixedly connected with the output end of the generator body, a circular plate is fixed on the surface of the third rotating shaft, and arc-shaped tooth blocks are slidably connected to one side wall of the circular plate at equal intervals, the surface mounting of first pivot has first gear, two the surface of second pivot all is fixed with the second gear, the arc tooth piece passes through chain drive with first gear and two second gears and is connected, a lateral wall of arc tooth piece all is connected with the connecting rod through the round pin hub rotation, the surface slip of third pivot has circular push pedal, the other end of connecting rod all rotates with a lateral wall of circular push pedal through the round pin axle and is connected, the top of bottom plate is provided with the removal subassembly that promotes circular push pedal and remove.

Furthermore, actuating mechanism is including fixing two connecting plates at a backup pad lateral wall, two rotate through the bearing between the connecting plate and be connected with two-way lead screw, two-way lead screw both ends surface equal threaded connection have rather than the L template of surperficial screw thread looks adaptation, two a lateral wall of L template is respectively with a lateral wall fixed connection of corresponding T type piece, a lateral wall of backup pad is fixed with the motor, the output of motor and the one end fixed connection of two-way lead screw.

Furthermore, the moving assembly comprises an electric push rod fixed on the inner wall of the bottom plate, a pushing block is fixed at the top end of the electric push rod, a notch matched with the circular push plate is formed in the top of the pushing block, the circular push plate rotates inside the notch, a moving groove is formed in the inner wall of the bottom plate, a moving block is connected inside the moving groove in a sliding mode, and the top of the moving block is fixedly connected with the bottom of the pushing block.

Furthermore, a supporting sliding groove is formed in one side wall of the circular plate at equal intervals, and a supporting sliding block matched with the supporting sliding groove is fixed on one side wall of the arc-shaped tooth block.

Furthermore, a T-shaped through groove matched with the T-shaped block is formed in one side wall of the supporting plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a aerogenerator's decelerator possesses following beneficial effect:

the utility model discloses, through setting up the bottom plate, a supporting plate, first pivot, the second pivot, the third pivot, the circular slab, the arc tooth piece, first gear, the second gear, a chain, actuating mechanism and removal subassembly, when aerogenerator needs to slow down at strong wind weather work, adjust through the arc tooth piece turning radius to the third epaxial in rotation, make its turning radius be greater than the epaxial gear of first pivot, it has become after pinion drive gear wheel pivoted mode with it, thereby play the effect of slowing down, simultaneously under the normal condition of weather, can be convenient adjust into the same turning radius with first gear with the arc tooth piece turning radius of the third epaxial in rotation, thereby can not cause the influence to aerogenerator's generating efficiency.

Drawings

Fig. 1 is a first view angle schematic diagram of the overall structure of the present invention;

FIG. 2 is a second perspective view of the overall structure of the present invention;

FIG. 3 is a schematic diagram of the structure of the supporting plate of the present invention;

FIG. 4 is a schematic view of the structure of the pushing block of the present invention;

FIG. 5 is a schematic view of the structure of the circular push plate of the present invention;

fig. 6 is a schematic diagram of the structure of the circular plate of the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a first rotating shaft; 4. a fan blade; 5. a T-shaped block; 6. a second rotating shaft; 7. a drive mechanism; 701. a connecting plate; 702. a bidirectional screw rod; 703. an L-shaped plate; 704. an electric motor; 8. a third rotating shaft; 9. a generator body; 10. a circular plate; 11. an arc-shaped tooth block; 12. a first gear; 13. a second gear; 14. a chain; 15. a connecting rod; 16. a circular push plate; 17. a moving assembly; 1701. An electric push rod; 1702. a pushing block; 1703. a notch; 1704. a moving groove; 1705. a moving block; 18. A support chute; 19. a support slide block; 20. t-shaped through grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 5, a speed reducer of a wind power generator according to an embodiment of the present invention includes a bottom plate 1, a supporting plate 2 is fixed on a bottom inner wall of the bottom plate 1, a first rotating shaft 3 is rotatably connected to a side wall of the bottom plate 1 through a bearing, a fan blade 4 is fixed on one end of the first rotating shaft 3, the other end of the first rotating shaft 3 is rotatably connected to a side wall of the supporting plate 2 through a bearing, two T-shaped blocks 5 are slidably connected to a side wall of the supporting plate 2, a second rotating shaft 6 is rotatably connected to side walls of the two T-shaped blocks 5 through a bearing, a driving mechanism 7 for driving the T-shaped blocks 5 to move is disposed on one side wall of the supporting plate 2, a third rotating shaft 8 is rotatably connected to a side wall of the bottom plate 1 through a bearing, a generator body 9 is fixed on a bottom inner wall of the bottom plate 1, one end of the third rotating shaft 8 is fixedly connected to an output end of the generator body 9, a circular plate 10 is fixed on the surface of a third rotating shaft 8, an arc-shaped tooth block 11 is connected to one side wall of the circular plate 10 in an equidistant sliding manner, a first gear 12 is fixed on the surface of a first rotating shaft 3, second gears 13 are fixed on the surfaces of two second rotating shafts 6, the arc-shaped tooth block 11 is in transmission connection with the first gear 12 and the two second gears 13 through a chain 14, one side wall of the arc-shaped tooth block 11 is rotatably connected with a connecting rod 15 through a pin shaft, a circular push plate 16 is slid on the surface of the third rotating shaft 8, the other end of the connecting rod 15 is rotatably connected with one side wall of the circular push plate 16 through a pin shaft, a moving assembly 17 for pushing the circular push plate 16 to move is arranged at the top of the bottom plate 1, when the wind driven generator needs to be decelerated, the driving mechanism 7 and the moving assembly 17 are started, when the driving mechanism 7 moves, the two T-shaped blocks 5 are driven to move towards the middle direction simultaneously, thereby drive second gear 13 and remove through second pivot 6 when T type piece 5 removes, when two second gears 13 are after removing, chain 14 can become loose state from tight this moment, then promote circular push pedal 16 through removing subassembly 17 and remove, circular push pedal 16 removes and can promote three arc tooth piece 11 through connecting rod 15 and remove, its turning radius of three arc tooth piece 11 can grow after removing, thereby make the turning radius of arc tooth piece 11 be greater than the turning radius of first gear 12, its slew velocity can slow down when first gear 12 rotates drive arc tooth piece 11 and rotates, thereby realize that strong wind weather fan blade 4 rotates and plays the effect of slowing down when driving generator body 9 and rotating.

As shown in fig. 1, in some embodiments, the driving mechanism 7 includes two connecting plates 701 fixed on a side wall of the supporting plate 2, a bidirectional screw rod 702 is rotatably connected between the two connecting plates 701 through a bearing, an L-shaped plate 703 is threadedly connected to both end surfaces of the bidirectional screw rod 702, a side wall of each of the two L-shaped plates 703 is fixedly connected to a side wall of the corresponding T-shaped block 5, a motor 704 is fixed to a side wall of the supporting plate 2, an output end of the motor 704 is fixedly connected to one end of the bidirectional screw rod 702, when the T-shaped block 5 is pushed to move, the motor 704 is rotated to drive the bidirectional screw rod 702 to rotate, when the bidirectional screw rod 702 is rotated, the two L-shaped plates 703 are simultaneously driven to move, and since the L-shaped plates 703 are fixed to the T-shaped block 5, the T-shaped block 5 can be driven to move.

As shown in fig. 1 and 4, in some embodiments, the moving assembly 17 includes an electric push rod 1701 fixed on the inner wall of the bottom of the base plate 1, a pushing block 1702 is fixed on the top end of the electric push rod 1701, a notch 1703 matched with the circular push plate 16 is formed on the top of the pushing block 1702, the circular push plate 16 rotates inside the notch 1703, a moving groove 1704 is formed on the inner wall of the bottom of the base plate 1, a moving block 1705 is slidably connected inside the moving groove 1704, the top of the moving block 1705 is fixedly connected with the bottom of the pushing block 1702, when the rotating radius of the arc-shaped tooth block 11 is adjusted, by starting the electric push rod 1701, the electric push rod 1701 drives the pushing block 1702 to move, the pushing block 1702 moves to push the circular push plate 16, so as to adjust the rotating radius of the arc-shaped tooth block 11, and the circular push plate 16 is located inside the notch 1703 formed in the pushing block 1702, the pusher block 1702 can move with the circular pusher plate 16 as it moves back and forth.

As shown in fig. 5 and 6, in some embodiments, the supporting sliding grooves 18 are equidistantly formed in one side wall of the circular plate 10, and the supporting sliding blocks 19 adapted to the supporting sliding grooves 18 are fixed to one side wall of the arc-shaped tooth blocks 11, so as to support the arc-shaped tooth blocks 11, and meanwhile, during the process of adjusting the rotating radius of the arc-shaped tooth blocks 11, the arc-shaped tooth blocks can be more stable during sliding.

As shown in fig. 3, in some embodiments, a T-shaped through groove 20 adapted to the T-shaped block 5 is formed in a side wall of the support plate 2, so as to support the T-shaped block 5 and limit the movement of the L-shaped plate 703, when the bidirectional screw rod 702 rotates to drive the L-shaped plate 703 to move, the L-shaped plate 702 does not rotate synchronously with the bidirectional screw rod 703 when moving.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wind generator's decelerator, includes bottom plate (1), its characterized in that: the fan blade support is characterized in that a supporting plate (2) is fixed on the inner wall of the bottom plate (1), a first rotating shaft (3) is rotatably connected to one side wall of the bottom plate (1) through a bearing, fan blades (4) are fixed at one end of the first rotating shaft (3), the other end of the first rotating shaft (3) is rotatably connected with one side wall of the supporting plate (2) through a bearing, two T-shaped blocks (5) are slidably connected to the side wall of the supporting plate (2), the side walls of the two T-shaped blocks (5) are rotatably connected with a second rotating shaft (6) through a bearing, a driving mechanism (7) for driving the T-shaped blocks (5) to move is arranged on one side wall of the supporting plate (2), a third rotating shaft (8) is rotatably connected to one side wall of the bottom plate (1) through a bearing, a generator body (9) is fixed on the inner wall of the bottom plate (1), one end of the third rotating shaft (8) is fixedly connected with the output end of the generator body (9), a circular plate (10) is fixed on the surface of the third rotating shaft (8), an arc-shaped tooth block (11) is connected on one side wall of the circular plate (10) in an equidistant sliding manner, a first gear (12) is fixed on the surface of the first rotating shaft (3), second gears (13) are fixed on the surfaces of the two second rotating shafts (6), the arc-shaped tooth block (11) is in transmission connection with the first gear (12) and the two second gears (13) through a chain (14), one side wall of each arc-shaped tooth block (11) is rotationally connected with a connecting rod (15) through a pin shaft, a round push plate (16) slides on the surface of the third rotating shaft (8), the other end of the connecting rod (15) is rotatably connected with one side wall of the round push plate (16) through a pin shaft, the top of the bottom plate (1) is provided with a moving assembly (17) for pushing the circular push plate (16) to move.

2. A reduction gear unit of a wind power generator according to claim 1, wherein: actuating mechanism (7) are including fixing two connecting plates (701) at a backup pad (2) lateral wall, two it is connected with two-way lead screw (702) to rotate through the bearing between connecting plate (701), two-way lead screw (702) both ends surface equal threaded connection has rather than L template (703) of surperficial screw thread looks adaptation, two a lateral wall of L template (703) respectively with a lateral wall fixed connection of corresponding T type piece (5), a lateral wall of backup pad (2) is fixed with motor (704), the output of motor (704) and the one end fixed connection of two-way lead screw (702).

3. A reduction gear unit of a wind power generator according to claim 1, wherein: the moving assembly (17) comprises an electric push rod (1701) fixed on the inner wall of the bottom plate (1), a pushing block (1702) is fixed at the top end of the electric push rod (1701), a notch (1703) matched with the circular push plate (16) is formed in the top of the pushing block (1702), the circular push plate (16) rotates inside the notch (1703), a moving groove (1704) is formed in the inner wall of the bottom plate (1), a moving block (1705) is connected to the inside of the moving groove (1704) in a sliding mode, and the top of the moving block (1705) is fixedly connected with the bottom of the pushing block (1702).

4. A reduction gear unit of a wind power generator according to claim 1, wherein: support spout (18) have been seted up to a lateral wall equidistance of circular plate (10), a lateral wall of arc tooth piece (11) all is fixed with and supports slider (19) of spout (18) looks adaptation.

5. A reduction gear unit of a wind power generator according to claim 1, wherein: a T-shaped through groove (20) matched with the T-shaped block (5) is formed in one side wall of the supporting plate (2).