CN110925140B - A wind turbine with its own lift protection - Google Patents

Abstract

The invention discloses a wind power generator with its own lifting protection, comprising a power generation tower and a working cavity arranged in the power generation tower. A fan blade shaft is rotated on the right end face of the power generation tower, and the fan blade shaft is fixed on the There is a fan blade that can convert wind energy into mechanical energy. The present invention is a device that can convert wind kinetic energy into electrical energy. When the power generation equipment of the present invention fails, the lifting device of the present invention will send the staff to work. In the cavity, the protection device of the present invention will send the staff to the fan blade shaft after taking protective measures for the staff, so that the staff can overhaul the wind power generation part of the present invention, which not only ensures the safety of the staff, but also ensures the safety of the staff. Improved work efficiency.

Description

A wind turbine with its own lift protection

technical field

The invention relates to the technical field of wind turbines, in particular to a wind turbine with its own lift protection.

Background technique

A wind turbine is a device that converts the kinetic energy of airflow into mechanical energy. This device is usually connected to and drives the generator to generate electricity. Because wind power is required to provide power, the general wind turbine is very high. The maintenance is inconvenient for the staff. Because the height is too high, the safety cannot be well guaranteed. Therefore, a wind generator with its own lifting protection is urgently needed to solve the above problems. In view of the above shortcomings, the present invention is improved.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a wind generator with its own lifting protection, which overcomes the above problems.

The present invention is achieved through the following technical solutions.

A wind power generator with its own lifting protection includes a power generation tower and a working cavity arranged in the power generation tower, a fan blade shaft is rotated on the right end face of the power generation tower, and a fan blade shaft is fixed on the fan blade shaft. A fan blade that converts wind energy into mechanical energy, the fan blade shaft extends leftward into the working cavity, a first bevel gear located in the working cavity is fixed on the fan blade shaft, and the bottom wall of the working cavity is A generator located on the left side of the fan blade shaft is fixed, the upper end face of the generator is rotated with a first rotating shaft, and the top of the first rotating shaft is fixed with a second bevel gear meshing with the first bevel gear, The rotation of the fan blade drives the rotation of the fan blade shaft, so as to transmit mechanical energy to the generator, so that the generator generates electricity. The right end of the power generation tower is provided with a rectangular through hole located on the upper side of the fan blade shaft , the rectangular through hole communicates with the working cavity, the power tower is provided with a first cavity located on the upper side of the rectangular through hole and communicated with the rectangular through hole, and the first cavity slides inside There is a sliding closing plate that can close the rectangular through hole, the upper surface of the sliding closing plate is connected with the top of the first cavity through a first compression spring, and the working cavity is provided with a protection to protect the staff The protection device can pass through the rectangular through hole and slide to the right side of the power generation tower, and the power generation tower is provided with a second cavity located on the lower side of the working cavity and communicated with the working cavity , the lower part of the second cavity is provided with a spiral pattern on the circumferential cavity wall, and the bottom wall of the second cavity is provided with a lifting device that can send workers to the working cavity, and the lifting device includes a fixed For the motor connected to the bottom wall of the second cavity, the right end face of the motor is connected with the lower end face of the generator through a wire.

Further, the protection device includes a first chute located on the left end wall of the power generation tower, a first sliding block is slidably arranged in the first sliding groove, and the lower end surface of the first sliding block is connected to the first sliding block. The bottom wall of the groove is connected by a second compression spring, a second rotating shaft is rotated in the first sliding block, the second rotating shaft extends to the right into the working chamber, and a second rotating shaft is fixed on the second rotating shaft. A gear, a first reel on the right side of the first gear is fixed on the second shaft, the first reel is connected with the upper surface of the sliding closing plate by a pull rope, the first reel is The outer end wall on the right side of the second rotating shaft is provided with threads, the outer end wall of the second rotating shaft is threadedly connected with a threaded sleeve, and an L-shaped standing plate is fixed on the right end surface of the threaded sleeve. There is a third cavity, a third rotating shaft is fixed on the upper and lower cavity walls on the left side of the third cavity, and a second reel is rotated on the third rotating shaft. The through hole on the right side of the second reel, the second reel is wound with an elastic cable that can pass through the through hole, and the other end of the elastic cable is connected with a cable that can protect the staff the snap ring.

Further, a second chute is fixed on the upper end of the power generation tower, a second slider is slidably arranged in the second chute, and the right end surface of the second slider passes through the right cavity wall of the second chute. The third compression spring is connected, the second slider is provided with a downwardly opening second slider cavity, the second slider cavity is slidably provided with a sliding block, and the upper end surface of the sliding block is connected to the second sliding block. The top wall of the sliding block cavity is connected by a tension spring, the lower end surface of the sliding block is fixedly connected to the upper end surface of the threaded sleeve, and the sliding block can restrain the threaded sleeve so that the threaded sleeve can slide to the right.

Further, a fourth rotating shaft located on the lower side of the second rotating shaft is rotated on the left cavity wall of the working chamber, and a second gear located on the lower side of the first gear is fixed on the fourth rotating shaft. The right end of the second gear is fixed with a third bevel gear that meshes with the second bevel gear. When the first slider slides down until the first gear meshes with the second gear, the fourth The rotation of the rotating shaft drives the second rotating shaft to rotate, so that the sliding closing plate slides upward, so that the L-shaped standing plate slides through the rectangular through hole to the right side of the power generation tower.

Further, the lifting device further includes a motor shaft rotatably connected to the upper end of the motor, the motor shaft extends upward to the lower side of the working chamber, a third gear is splined on the motor shaft, and the motor shaft is splined. The third gear meshes with the helical thread, the third gear is provided with an upwardly open annular groove, the motor shaft is fixed with a spline sleeve located on the upper side of the third gear, and the spline sleeve is fixed on the motor shaft. The outer end wall is fixed with a lifting plate for the staff to stand. The lower end surface of the lifting plate is fixed with a rotating rod symmetrically left and right, and the rotating rod extends downward into the annular groove and rotates with the third gear connected, the top of the motor shaft is rotated with a rotating plate that can prevent the third gear from sliding upwards into the working chamber.

Beneficial effects of the present invention: The present invention is a device that can convert the kinetic energy of the wind into electrical energy. When the power generation equipment of the present invention fails, the lifting device of the present invention will send the staff to the working chamber. The protection device will send the staff to the fan blade shaft after taking protective measures for the staff, so that the staff can overhaul the wind power generation part of the present invention, which not only ensures the safety of the staff, but also improves the work efficiency.

Description of drawings

The present invention will be described in detail below in conjunction with Fig. 1-5, wherein, for the convenience of description, the orientations mentioned below are now specified as follows: the up-down, left-right, front-rear directions mentioned below are consistent with the up-down, left-right, front-rear directions of the projection relationship of Fig. 1 itself.

1 is a schematic diagram of the overall structure of a wind turbine with its own lift protection according to the present invention;

FIG. 2 is a schematic view of the enlarged structure of the working chamber 14 in FIG. 1;

Fig. 3 is the enlarged structural schematic diagram of L-shaped standing plate 45 in Fig. 1;

Fig. 4 is a structural representation at A in Fig. 1;

FIG. 5 is a schematic view of the structure at B in FIG. 1 .

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and examples, and the modes of the present invention include but are not limited to the following examples.

As shown in Figures 1-5, a wind power generator with its own lifting protection includes a power generation tower 10 and a working cavity 14 arranged in the power generation tower 10. The right end surface of the power generation tower 10 is rotated with a fan blade shaft. 29, the fan blade shaft 29 is fixed with a fan blade 28 that can convert wind energy into mechanical energy, the fan blade shaft 29 extends leftward into the working cavity 14, and the fan blade shaft 29 is fixed with a fan blade 28. The first bevel gear 30 is located in the working cavity 14, the bottom wall of the working cavity 14 is fixed with a generator 31 located on the left side of the blade shaft 29, and the upper end surface of the generator 31 rotates with a first The rotating shaft 21, the top of the first rotating shaft 21 is fixed with a second bevel gear 19 meshing with the first bevel gear 30, the fan blade 28 rotates to drive the fan blade shaft 29 to rotate, so as to transmit mechanical energy to the On the generator 31, the generator 31 generates electricity. The right end of the power generation tower 10 is provided with a rectangular through hole 26 located on the upper side of the fan blade shaft 29. The rectangular through hole 26 is connected to the working cavity 14. The power generation tower 10 is provided with a first cavity 24 located on the upper side of the rectangular through hole 26 and communicated with the rectangular through hole 26. The first cavity 24 is slidably provided with the A sliding closing plate 27 closed by a rectangular through hole 26, the upper end surface of the sliding closing plate 27 is connected with the top of the first cavity 24 through a first compression spring 25, and the working cavity 14 is provided with a protection to protect the staff Device 61 , the protection device 61 can pass through the rectangular through hole 26 and slide to the right side of the power generation tower 10 . The second cavity 34 communicated with 14, the lower part of the second cavity 34 is provided with a spiral pattern 32 on the circumferential cavity wall, and the bottom wall of the second cavity 34 is provided with a can send the staff to the working cavity 14, the lifting device 62 includes a motor 36 fixedly connected to the bottom wall of the second cavity 34, the right end surface of the motor 36 and the lower end surface of the generator 31 are connected by wires 33.

Beneficially, the protection device 61 includes a first chute 15 located on the left end wall of the power generation tower 10 , a first sliding block 17 is slidably arranged in the first sliding groove 15 , and the lower end surface of the first sliding block 17 is slidably arranged. Connected to the bottom wall of the first chute 15 through a second compression spring 16 , a second rotating shaft 47 is rotated in the first sliding block 17 , and the second rotating shaft 47 extends to the right into the working chamber 14 , a first gear 38 is fixed on the second rotating shaft 47 , a first reel 39 located on the right side of the first gear 38 is fixed on the second rotating shaft 47 , the first reel 39 is fixed on the second rotating shaft 47 39 is connected with the upper end surface of the sliding closing plate 27 through the pull rope 23, the outer end wall part of the right side of the second rotating shaft 47 is provided with threads, and the outer end wall of the second rotating shaft 47 is threadedly connected with a threaded sleeve 46, so An L-shaped standing plate 45 is fixed on the right end surface of the threaded sleeve 46, a third cavity 44 is arranged in the L-shaped standing plate 45, and a third rotating shaft is fixed on the upper and lower cavity walls on the left side of the third cavity 44. 42. A second reel 48 is rotated on the third rotating shaft 42. The right end of the L-shaped standing plate 45 is provided with a through hole 49 located on the right side of the second reel 48. The reel 48 is wound with an elastic cord 50 that can pass through the through hole 49 , and the other end of the elastic cord 50 is connected with a clamping collar 43 that can protect the worker.

Beneficially, a second chute 20 is fixed on the upper end of the power generation tower 10 , a second sliding block 55 is slidably arranged in the second sliding groove 20 , and the right end surface of the second sliding block 55 is connected to the second sliding block 55 . The right cavity wall of the groove 20 is connected by the third compression spring 22, the second slider 55 is provided with a downwardly opening second slider cavity 57, and the second slider cavity 57 is slidably provided with a sliding block 41. The upper end surface of the sliding block 41 is connected to the top wall of the second sliding block cavity 57 through a tension spring 56 , and the lower end surface of the sliding block 41 is fixedly connected to the upper end surface of the threaded sleeve 46 . The threaded sleeve 46 is restrained so that the threaded sleeve 46 slides to the right.

Beneficially, a fourth rotating shaft 13 located on the lower side of the second rotating shaft 47 is rotatably provided on the left cavity wall of the working chamber 14 , and a fourth rotating shaft 13 located on the lower side of the first gear 38 is fixed on the fourth rotating shaft 13 . Second gear 12, the right end of the second gear 12 is fixed with a third bevel gear 18 meshing with the second bevel gear 19, when the first slider 17 slides down to the first gear 38 and the third bevel gear 18 When the second gear 12 is engaged, the rotation of the fourth shaft 13 drives the rotation of the second shaft 47, so that the sliding closing plate 27 slides upward, and the L-shaped standing plate 45 passes through the rectangular through hole. 26 slides to the right side of the power tower 10 .

Beneficially, the lifting device 62 also includes a motor shaft 35 rotatably connected to the upper end of the motor 36 , the motor shaft 35 extends upward to the lower side of the working chamber 14 , and the motor shaft 35 is spline-connected with a first motor shaft 35 . Three gears 54, the third gear 54 meshes with the helical thread 32, the third gear 54 is provided with an upwardly open annular groove 53, and the motor shaft 35 is fixed on the third gear 54 The spline sleeve 51 on the upper side, the outer end wall of the spline sleeve 51 is fixed with a lift plate 37 for the staff to stand on, the lower end surface of the lift plate 37 is fixed with a rotating rod 52 symmetrically left and right, and the rotating rod 52 extends downward into the annular groove 53 and is rotatably connected with the third gear 54 . The top of the motor shaft 35 is rotated with a rotation that prevents the third gear 54 from sliding upward into the working chamber 14 board 11.

The sequence of mechanical actions of the whole device:

The initial state of the present invention is: the first gear 38 is not meshed with the second gear 12, the L-shaped standing plate 45 is located in the working chamber 14, the pull rope 23 is in a relaxed state, the first compression spring 25 is in a relaxed state, and the rectangular through hole 26 The sliding closing plate 27 is closed, and the motor 36 is not activated;

1. The fan blade 28 rotates under the action of the wind, the fan blade 28 rotates and drives the fan blade shaft 29 to rotate, and the fan blade shaft 29 rotates to drive the first bevel gear 30 to rotate. The rotation of the gear 30 drives the rotation of the second bevel gear 19, the rotation of the second bevel gear 19 drives the rotation of the first shaft 21, and the rotation of the first shaft 21 causes the generator 31 to generate electricity;

2. When a worker stands on the upper surface of the lift plate 37, the generator 31 transmits the current to the motor 36 through the wire 33, so that the motor 36 is started, and the motor 36 starts to drive the motor shaft 35 to rotate, and the motor shaft 35 rotates so that the third gear 54 rotates, because the third gear 54 is threadedly connected with the helical thread 32, so that the third gear 54 rotates upward, the upward rotation of the third gear 54 drives the rotating rod 52 to rotate upward, and the rotating rod 52 rotates upward to drive the lifting plate 37 to slide upward, and the lifting The plate 37 slides upward to send the workers on the upper surface of the lift plate 37 into the working chamber 14;

3. When the staff stands on the upper end face of the right end of the L-shaped standing plate 45, the clamping collar 43 is clamped on the waist of the staff to protect the staff, and the weight of the staff makes the first slider 17 slide down, the first The slider 17 slides down to squeeze the second compression spring 16, the first slider 17 slides down to drive the second shaft 47 to slide down, the second shaft 47 slides down to drive the first reel 39 to slide down, and the second shaft 47 slides down. A reel 39 slides downward to tighten the pull rope 23, and the pull rope 23 is tightened so that the sliding closing plate 27 is partially slid upward into the first cavity 24. First, part of the rectangular through hole 26 is opened, and the second rotating shaft 47 moves toward the first cavity 24. Slide down so that the first gear 38 meshes with the second gear 12. Since the second bevel gear 19 meshes with the third bevel gear 18, the rotation of the second bevel gear 19 drives the rotation of the third bevel gear 18, and the rotation of the third bevel gear 18 drives the rotation of the third bevel gear 18. The rotation of the fourth shaft 13, the rotation of the fourth shaft 13 drives the rotation of the second gear 12, the rotation of the second gear 12 drives the rotation of the first gear 38, the rotation of the first gear 38 drives the rotation of the threaded sleeve 46, and the rotation of the threaded sleeve 46 drives the rotation of the first gear 38. When the reel 39 rotates, the first reel 39 rotates to retract the pulling rope 23, so that the sliding closing plate 27 is completely slid into the first cavity 24, the rectangular through hole 26 is fully opened, and the second rotating shaft 47 rotates to make the thread The sleeve 46 slides downward under the action of the sliding block 41, and the sliding block 41 slides to the right to drive the second sliding block 55 to slide in the second sliding groove 20;

4. The threaded sleeve 46 slides to the right to drive the L-shaped standing plate 45 to slide to the right, and the L-shaped standing plate 45 slides to the right through the rectangular through hole 26 and slides to the right side of the power generation tower 10 to troubleshoot and repair the fault;

5. After the overhaul is completed, the first rotating shaft 21 is reversed so that the threaded sleeve 46 slides to the left, and the threaded sleeve 46 slides to the left to drive the L-shaped standing plate 45 to slide to the left, so that the L-shaped standing plate 45 slides into the working chamber 14 Inside, the worker returns to the upper surface of the lift plate 37, the motor 36 is activated to make the third gear 54 rotate downward, and the third gear 54 rotates downward to make the lift plate 37 rotate downward. When the worker leaves the lift plate 37, On the surface, the present invention restores the original position.

The above-mentioned embodiments are only intended to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement it, but not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (2)

1. A wind driven generator with lifting protection comprises a power generation tower and a working cavity arranged in the power generation tower, and is characterized in that: the right end face of the power generation tower is rotatably provided with a fan blade shaft, a fan blade capable of converting wind energy into mechanical energy is fixedly arranged on the fan blade shaft, the fan blade shaft extends leftwards into the working cavity, a first bevel gear positioned in the working cavity is fixedly arranged on the fan blade shaft, a power generator positioned on the left side of the fan blade shaft is fixedly arranged on the bottom wall of the working cavity, a first rotating shaft is rotatably arranged on the upper end face of the power generator, a second bevel gear meshed with the first bevel gear is fixedly arranged at the top of the first rotating shaft, the fan blade rotates to drive the fan blade shaft to rotate so as to transmit the mechanical energy to the power generator to enable the power generator to generate power, a rectangular through hole positioned on the upper side of the fan blade shaft is arranged at the right end of the power generation tower in a penetrating manner, the rectangular through hole is communicated with the working cavity, and a first cavity positioned on the upper side of the rectangular, a sliding closing plate capable of sealing the rectangular through hole is arranged in the first cavity in a sliding mode, the upper end face of the sliding closing plate is connected with the top of the first cavity through a first compression spring, a protection device capable of protecting workers is arranged in the working cavity, the protection device can penetrate through the rectangular through hole and slide to the right side of the power generation tower, a second cavity which is located on the lower side of the working cavity and communicated with the working cavity is arranged in the power generation tower, spiral grains are arranged on the circumferential cavity wall of the part of the lower side of the second cavity, a lifting device capable of conveying the workers into the working cavity is arranged on the bottom wall of the second cavity, the lifting device comprises a motor fixedly connected to the bottom wall of the second cavity, and the right end face of the motor is connected with the lower end face of the power generator through an;

the protection device comprises a first chute positioned on the left end wall of the power generation tower, a first slide block is arranged in the first chute in a sliding manner, the lower end face of the first slide block is connected with the bottom wall of the first chute through a second compression spring, a second rotating shaft is arranged in the first slide block in a rotating manner and extends rightwards into the working cavity, a first gear is fixedly arranged on the second rotating shaft, a first reel positioned on the right side of the first gear is fixedly arranged on the second rotating shaft, the first reel is connected with the upper end face of the sliding closing plate through a pull rope, the outer end wall part on the right side of the second rotating shaft is provided with threads, the outer end wall of the second rotating shaft is in threaded connection with a threaded sleeve, an L-shaped standing plate is fixedly arranged on the right end face of the threaded sleeve, a third cavity is arranged in the L-shaped standing plate, and a third rotating shaft is fixedly arranged on the, a second winding wheel is rotatably arranged on the third rotating shaft, a through hole positioned on the right side of the second winding wheel is arranged at the right end of the L-shaped standing plate in a penetrating manner, an elastic pull rope capable of penetrating through the through hole is wound on the second winding wheel, and a clamping lantern ring capable of protecting workers is connected to the other end of the elastic pull rope;

a fourth rotating shaft positioned on the lower side of the second rotating shaft is rotatably arranged on the left cavity wall of the working cavity, a second gear positioned on the lower side of the first gear is fixedly arranged on the fourth rotating shaft, a third bevel gear meshed with the second bevel gear is fixedly arranged at the right end of the second gear, and when the first sliding block slides downwards until the first gear is meshed with the second gear, the fourth rotating shaft rotates to drive the second rotating shaft to rotate, so that the sliding sealing plate slides upwards, and the L-shaped standing plate penetrates through the rectangular through hole to slide to the right side of the power generation tower;

elevating gear still including rotate connect in the motor shaft of motor upper end, the motor shaft upwards extends to the working chamber downside, splined connection has the third gear on the motor shaft, the third gear with the spiral line meshing, be equipped with the open-ended ring channel that makes progress in the third gear, set firmly on the motor shaft and be located the spline housing of third gear upside, spline housing outer end wall sets firmly the lifter plate that can supply the staff to stand, terminal surface bilateral symmetry has set firmly the dwang under the lifter plate, dwang downwardly extending extremely in the ring channel, with the third gear rotates and connects, the motor shaft top is rotated and is equipped with and can prevent the third gear upwards slides in the rotor plate of working chamber.

2. The wind power generator with lifting protection as claimed in claim 1, wherein: the power generation tower upper end has set firmly the second spout, it is equipped with the second slider to slide in the second spout, second slider right-hand member face with second spout right side chamber wall passes through third compression spring and connects, be equipped with downward open-ended second slider chamber in the second slider, the second slider intracavity slides and is equipped with the sliding block, the sliding block up end with second slider chamber roof passes through extension spring and connects, terminal surface fixed connection under the sliding block in the threaded sleeve up end, the sliding block can restrict the threaded sleeve makes the threaded sleeve slides right.

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