Safety protection device of wind power assembly

Abstract

The invention provides a safety protection device of a wind power assembly, and relates to the technical field of wind power generation. The safety protection device comprises a cabin, a tower drum is fixedly mounted at the bottom end of the cabin, a first rotating shaft is arranged at the left end of the cabin, fan blades are fixedly mounted on the first rotating shaft, and the other end of the first rotating shaft is connected with one end of a gearbox; the other end of the gearbox is connected with a generator through a second rotating shaft, the bottom end of the gearbox is fixedly installed on the supporting base, and a motor protection mechanism is arranged at the bottom end of the generator. By arranging the motor protection mechanism and through operation of the motor protection mechanism, the technical problems that in the prior art, most protection devices only pay attention to protection of a single factor, such as lightning protection or wind and snow prevention, and safety protection for internal wind power assemblies is lacked are effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of wind power generation, and in particular to a safety protection device for a wind power component. Background Art

[0002] Wind turbines are one of the important sources of renewable energy. However, during the operation of wind turbines, they are often threatened by environmental factors such as snow, lightning, bird interference, vibration, and dust, which may cause equipment damage, reduced efficiency, or even shutdown. In the prior art, most protective devices only focus on the protection of a single factor, such as lightning protection or snow, but lack the safety protection of internal wind power components. Therefore, in view of the above situation, it is urgent to develop a safety protection device for wind power components to overcome the shortcomings in current practical applications. Summary of the invention

[0003] The present invention provides a safety protection device for wind power components to solve the technical problem raised by the above background technology: in the prior art, most protection devices only focus on the protection of a single factor, such as lightning protection or wind and snow protection, but lack the safety protection of internal wind power components.

[0004] In order to solve the above technical problems, the present invention discloses a safety protection device for a wind power component, comprising: a nacelle, a tower is fixedly installed at the bottom end of the nacelle, and a rotating shaft 1 is provided at the left end of the nacelle, a fan blade is fixedly installed on the rotating shaft 1, the other end of the rotating shaft 1 is connected to one end of a gear box, the other end of the gear box is connected to a generator through a rotating shaft 2, the bottom end of the gear box is fixedly installed on a support seat, and a motor protection mechanism is provided at the bottom end of the generator.

[0005] Preferably, the motor protection mechanism includes: an adjusting box, the adjusting box is fixedly mounted on the inner wall of the bottom end of the cabin at the bottom end of the generator, a limit block is fixedly mounted on the bottom end of the adjusting box, a threaded rod is slidably connected to the limit block, and the rear end of the threaded rod passes through the adjusting box and is fixedly connected to the rotating block, and a latch is provided between the rotating block and the adjusting box, the other end of the threaded rod is movably connected to one end of support rod one, and the other end of support rod one is movably connected to the bottom end of support rod two, the top end of support rod two is movably connected in the adjusting frame, the middle end of support rod two is movably connected to the inner wall of the adjusting box, and both ends of the adjusting frame are fixedly mounted on slide rod one, and protection component connections are symmetrically provided on both sides of the top end of slide rod one.

[0006] Preferably, the protection component includes: a trapezoidal block 1, the trapezoidal block 1 is fixedly mounted on the top of a slide rod 1, and both ends of the slide rod 1 are slidably connected in slide grooves provided at the front and rear ends of an adjusting box, a trapezoidal block 2 is fixedly mounted on the bottom end of the long rod, the trapezoidal block 2 cooperates with the trapezoidal block 1, a clamping block is fixedly mounted on the top of the long rod, a shock-absorbing pad is fixedly mounted on the end of the clamping block close to the generator, the slide rod 2 is slidably connected in the long rod, and the left and right ends of the slide rod 2 are fixedly mounted on the inner wall of the slot provided at the top of the adjusting box, and a return spring 1 is sleeved on the slide rod 2 at the left and right ends of the long rod, the top of the return spring 2 is fixedly connected to the support plate, and the bottom end of the return spring 2 is fixedly mounted on the top of the adjusting box.

[0007] Preferably, a gear lubrication mechanism is provided at the top of the gear box, and the gear lubrication mechanism includes: a storage box, which is fixedly mounted on the top of the gear box by a plurality of legs, and a drive motor is fixedly mounted on a rear end inner wall of a cavity provided in the storage box, and the output end of the drive motor is fixedly connected to the half gear, and the bottom end of the half gear is meshingly connected to the rack, and lubricating liquid delivery components are symmetrically arranged on the left and right ends of the rack.

[0008] Preferably, the lubricating liquid delivery assembly comprises: a T-rod, one end of the T-rod is fixedly mounted on the rack, and the other end of the T-rod passes through the pressurizing box and is fixedly connected to the piston, a return spring three is sleeved on the T-rod, and the piston is slidably connected to the inner wall of the pressurizing box left and right, the bottom end of the rack is slidably connected to the slide rod three through a slider, and the left and right ends of the slide rod three are fixedly mounted on the inner wall of a cavity, the top end of the delivery rod is fixedly mounted on the bottom end of the rack, the bottom end of the delivery rod passes through the gear box and is connected to a plurality of nozzles, the pressurizing box is fixedly mounted on the inner wall of a cavity, and the top end of the pressurizing box is connected to the storage chamber through a connecting pipe one, and a reverse flow valve one is arranged in the connecting pipe one, the bottom end of the pressurizing box is connected to the nozzle through a connecting pipe two, and a reverse flow valve two is arranged in the connecting pipe two.

[0009] Preferably, the lubricating fluid delivery assembly further includes: a connecting pipe three, one end of which is connected to the bottom end of the gear box, and the connecting pipe three is connected to the storage chamber through a water pump, and a filter plate is fixedly installed on the connecting pipe three connected to the storage chamber.

[0010] Preferably, a through hole is provided at the right end of the cabin, and an electric valve is fixedly installed on the cabin at the top end of the through hole.

[0011] Preferably, a temperature sensor and a humidity sensor are also provided in the cabin for real-time monitoring of changes in the internal environment of the cabin.

[0012] Preferably, a lightning protection device is also provided on the top of the nacelle, and the lightning protection device includes: a lightning rod and a grounding wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 A schematic diagram of the structure provided by an embodiment of the present invention; Figure 2 The embodiment of the present invention provides Figure 1 Right view of the motor protection mechanism structure; Figure 3 The embodiment of the present invention provides Figure 1 Schematic diagram of the internal structure of the storage box.

[0015] Reference numerals: 1. Cabin; 2. Tower; 3. Rotating shaft 1; 4. Fan blades; 5. Gear box; 6. Rotating shaft 2; 7. Generator; 8. Adjustment box; 9. Limit block; 10. Threaded rod; 11. Rotating block; 12. Latch; 13. Support rod 1; 14. Support rod 2; 15. Adjustment frame; 16. Sliding rod 1; 17. Trapezoidal block 1; 18. Slideway; 19. Long rod; 20. Trapezoidal block 2; 21. Clamping block; 22. Shock pad; 23. Sliding rod 2; 24. Slot; 25. Support plate; 26. Return spring 2; 27. Return spring 1 ; 28. Storage box; 29. ​​Support leg; 30. Drive motor; 31. Half gear; 32. Rack; 33. T-bar; 34. Pressurized box; 35. Piston; 36. Storage chamber; 37. Backflow valve one; 38. Slider; 39. Slider three; 40. Cavity one; 41. Delivery rod; 42. Nozzle; 43. Connecting pipe two; 44. Backflow valve two; 45. Connecting pipe three; 46. Water pump; 47. Filter plate; 48. Connecting pipe one; 49. Support seat; 50. Through hole; 51. Electric valve; 52. Reset spring three. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0018] The present invention provides the following embodiments Example 1 The embodiment of the present invention provides a safety protection device for a wind power component, such as Figure 1 As shown, a safety protection device for a wind power component comprises: a nacelle 1, a tower 2 is fixedly mounted on the bottom end of the nacelle 1, and a rotating shaft 3 is provided at the left end of the nacelle 1, a fan blade 4 is fixedly mounted on the rotating shaft 3, the other end of the rotating shaft 3 is connected to one end of a gear box 5, the other end of the gear box 5 is connected to a generator 7 through a rotating shaft 2 6, the bottom end of the gear box 5 is fixedly mounted on a support seat 49, and a motor protection mechanism is provided at the bottom end of the generator 7.

[0019] The beneficial effects of the above technical solution are: the present invention effectively improves the technical problem proposed by the background technology by setting up a motor protection mechanism and operating the motor protection mechanism: in the prior art, most protection devices only focus on the protection of a single factor, such as lightning protection or wind and snow protection, but lack the technical problem of safety protection of internal wind power components.

[0020] Example 2 On the basis of Example 1, Figure 1-2 As shown, a safety protection device for a wind power component, the motor protection mechanism includes: an adjusting box 8, the adjusting box 8 is fixedly mounted on the inner wall of the bottom end of the nacelle 1 at the bottom end of the generator 7, a limit block 9 is fixedly mounted on the bottom end of the adjusting box 8, a threaded rod 10 is slidably connected to the limit block 9, and the rear end of the threaded rod 10 passes through the adjusting box 8 and is fixedly connected to the rotating block 11, and a latch 12 is provided between the rotating block 11 and the adjusting box 8, the other end of the threaded rod 10 is movably connected to one end of a support rod 13, and the other end of the support rod 13 is movably connected to the bottom end of a support rod 2 14, the top end of the support rod 2 14 is movably connected in an adjusting frame 15, the middle end of the support rod 2 14 is movably connected to the inner wall of the adjusting box 8, and both ends of the adjusting frame 15 are fixedly mounted on a slide rod 16, and protection component connections are symmetrically provided on both sides of the top of the slide rod 16.

[0021] Optionally, the protection component includes: a trapezoidal block 17, the trapezoidal block 17 is fixedly mounted on the top of a slide bar 16, and both ends of the slide bar 16 are slidably connected in slide grooves 18 provided at the front and rear ends of the adjusting box 8, a trapezoidal block 20 is fixedly mounted on the bottom end of a long rod 19, the trapezoidal block 20 cooperates with the trapezoidal block 17, a clamping block 21 is fixedly mounted on the top of the long rod 19, a shock-absorbing pad 22 is fixedly mounted on the end of the clamping block 21 close to the generator 7, a slide bar 23 is slidably connected in the long rod 19, and the left and right ends of the slide bar 23 are fixedly mounted on the inner wall of the slot 24 provided at the top of the adjusting box 8, and a return spring 27 is sleeved on the slide bar 23 at the left and right ends of the long rod 19, the top of the return spring 26 is fixedly connected to the support plate 25, and the bottom end of the return spring 26 is fixedly mounted on the top of the adjusting box 8.

[0022] The working principle of the above technical solution is: when the generator 7 needs to be installed and protected, the latch 12 is opened and the rotating block 11 is rotated. The rotating block 11 rotates and drives the threaded rod 10 fixedly connected thereto to rotate. The threaded rod 10 rotates and drives the support rod 13 to move to the right. The movement of the support rod 13 to the right drives the support rod 2 14 to change direction. The rotation of the support rod 2 14 drives the adjustment frame 15 movably connected to the support rod 2 14 to move up and down. The adjustment frame 15 moves up and down and drives the slide bar 16 to move up and down accordingly. The slide bar 16 moves up and down and drives the trapezoidal block 17 fixedly connected thereto to move upward accordingly. The trapezoidal block 17 moves upward and drives the trapezoidal block 2 20 matched therewith to move toward the direction of the generator 7, and then drives the long rod 19 to clamp and fix the generator 7.

[0023] The beneficial effects of the above technical solution are as follows: by arranging the support plate 25 and the return spring 26, it is beneficial to effectively reduce the shock of the generator 7 at the top, and prevent the generator 7 from causing damage to other internal parts under the action of vibration during operation; by arranging the clamping block 21, it is beneficial to achieve the fixing effect of the generator 7; by arranging the shock-absorbing pad 22, it is beneficial to achieve the protection of the generator 7; by arranging the latch 12, it is beneficial to achieve the fixing and limiting of the rotating block 11; by arranging the limit block 9 and the threaded rod 10, it is beneficial to achieve the up and down movement of the sliding rod 16; by arranging the trapezoidal block 17 and the trapezoidal block 20, it is beneficial to achieve the left and right movement of the long rod 19; by arranging the sliding rod 23 and the return spring 27, it is beneficial to achieve the limiting of the long rod 19, and the resetting of the long rod 19 is achieved by the return spring 27, which is very convenient and practical.

[0024] Example 3 On the basis of Example 1-2, Figure 1 and Figure 3As shown, a safety protection device for a wind power component is provided with a gear lubrication mechanism at the top of the gear box 5, and the gear lubrication mechanism includes: a storage box 28, the storage box 28 is fixedly mounted on the top of the gear box 5 through a plurality of legs 29, a drive motor 30 is fixedly mounted on the rear end inner wall of a cavity 40 provided in the storage box 28, and the output end of the drive motor 30 is fixedly connected to a half gear 31, and the bottom end of the half gear 31 is meshedly connected to a rack 32, and lubricating liquid delivery components are symmetrically arranged at the left and right ends of the rack 32.

[0025] Optionally, the lubricating liquid delivery assembly includes: a T-shaped rod 33, one end of the T-shaped rod 33 is fixedly mounted on the rack 32, and the other end of the T-shaped rod 33 passes through the pressurizing box 34 and is fixedly connected to the piston 35, a return spring 352 is sleeved on the T-shaped rod 33, and the piston 35 is slidably connected to the inner wall of the pressurizing box 34 left and right, the bottom end of the rack 32 is slidably connected to the slide rod 39 through the slider 38, and the left and right ends of the slide rod 39 are fixedly mounted on the cavity 40 On the inner wall, the top end of the delivery rod 41 is fixedly installed on the bottom end of the rack 32, and the bottom end of the delivery rod 41 passes through the gear box 5 and is connected to a plurality of nozzles 42. The pressurizing box 34 is fixedly installed on the inner wall of the cavity 40, and the top end of the pressurizing box 34 is connected to the storage cavity 36 through a connecting pipe 48, and a reverse flow valve 37 is arranged in the connecting pipe 48, and the bottom end of the pressurizing box 34 is connected to the nozzle 42 through a connecting pipe 43, and a reverse flow valve 44 is arranged in the connecting pipe 43.

[0026] Optionally, the lubricating fluid delivery assembly also includes: a connecting pipe three 45, one end of which is connected to the bottom end of the gear box 5, and the connecting pipe three 45 is connected to the storage chamber 36 through a water pump 46, and the connecting pipe three 45 is connected to the storage chamber 36 and a filter plate 47 is fixedly installed.

[0027] Optionally, a through hole 50 is provided at the right end of the cabin 1 , and an electric valve 51 is fixedly installed on the cabin 1 at the top of the through hole 50 .

[0028] Optionally, a temperature sensor and a humidity sensor are also provided in the cabin 1 for real-time monitoring of changes in the internal environment of the cabin 1 so as to timely adjust the working status of the safety protection device.

[0029] Optionally, a lightning protection device is also provided on the top of the cabin 1, and the lightning protection device includes: a lightning rod and a grounding wire to protect the internal components of the cabin 1 from being damaged by lightning.

[0030] The working principle of the above technical solution is as follows: when it is necessary to lubricate the gears in the gear box 5, first start the drive motor 30, the drive motor 30 rotates to drive the half gear 31 to rotate, the half gear 31 rotates to drive the rack 32 to move, the rack 32 moves to drive the T-bar 33 to move, the T-bar 33 moves to drive the piston 35 to move in the pressurizing box 34, the piston 35 moves left and right to transport the lubricating fluid stored in the storage chamber 36 to the pressurizing box 34 through the connecting pipe 1 48, and then under the reset action of the reset spring 3 52, the lubricating fluid in the pressurizing box 34 is transported to the nozzle 42 through the connecting pipe 2 43, so as to transport the lubricating fluid to the gears in the gear box 5, and then the delivery rod 41 moves left and right to fully transport the lubricating fluid to the gears in the gear box 5, and the transported lubricating fluid is transported to the storage chamber 36 through the action of the filter plate 47 by starting the water pump 46.

[0031] The beneficial effects of the above technical solution are as follows: by setting the storage chamber 36, it is convenient to store the lubricating liquid; by setting the connecting pipe 345 and the water pump 46, it is convenient to realize the secondary utilization of the lubricating liquid deposited at the bottom of the gear box 5; by setting the filter plate 47, it is convenient to effectively filter the deposited lubricating liquid; by setting the driving motor 30 and the half gear 31, it is convenient to realize automatic operation; by setting the reset spring 352, it is convenient to realize the reset of the T-bar 33; by setting the pressurizing box 34 and the piston 35, it is convenient to transport the lubricating liquid to the gear box 5; by setting the countercurrent Valve one 37 and reverse flow valve two 44 are helpful to prevent liquid backflow; by setting the slider 38 and the slide bar three 39, it is helpful to achieve the limiting processing of the rack 32; by setting the conveying rod 41 and a plurality of nozzles 42, it is helpful to achieve the lubrication effect on gears in different positions; by setting the through hole 50 and the electric valve 51, when the temperature and humidity in the cabin 1 detected by the temperature sensor and the humidity sensor are too high, the electric valve 51 is opened to perform heat exchange processing in the cabin 1; by setting the lightning protection device, it is helpful to protect the internal components of the cabin 1 from lightning damage, which is very convenient and practical.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A safety protection device for a wind power component, characterized in that: include: A nacelle (1), wherein a tower (2) is fixedly mounted at the bottom end of the nacelle (1), and a rotating shaft (3) is provided at the left end of the nacelle (1), a fan blade (4) is fixedly mounted on the rotating shaft (3), the other end of the rotating shaft (3) is connected to one end of a gear box (5), the other end of the gear box (5) is connected to a generator (7) via a rotating shaft (6), the bottom end of the gear box (5) is fixedly mounted on a support seat (49), and a motor protection mechanism is provided at the bottom end of the generator (7).

2. A wind power component safety protection device according to claim 1, characterized in that: The motor protection mechanism comprises: an adjustment box (8), the adjustment box (8) being fixedly mounted on the inner wall of the bottom end of the cabin (1) at the bottom end of the generator (7), a limit block (9) being fixedly mounted on the bottom end of the adjustment box (8), a threaded rod (10) being slidably connected to the limit block (9), and a rear end of the threaded rod (10) passing through the adjustment box (8) and being fixedly connected to a rotating block (11), and a latch (12) being arranged between the rotating block (11) and the adjustment box (8), the other end of the threaded rod (10) being movably connected to one end of a support rod (13), and the other end of the support rod (13) being movably connected to the bottom end of a support rod (14), the top end of the support rod (14) being movably connected to an adjustment frame (15), the middle end of the support rod (14) being movably connected to the inner wall of the adjustment box (8), and the two ends of the adjustment frame (15) being fixedly mounted to a slide rod (16), and protection components are symmetrically arranged on both sides of the top end of the slide rod (16) for connection.

3. A wind power component safety protection device according to claim 2, characterized in that: The protection assembly comprises: a trapezoidal block 1 (17), the trapezoidal block 1 (17) being fixedly mounted on the top of a slide bar 1 (16), and the two ends of the slide bar 1 (16) being slidably connected in slide grooves (18) provided at the front and rear ends of the adjustment box (8), a trapezoidal block 2 (20) being fixedly mounted on the bottom end of a long rod (19), the trapezoidal block 2 (20) being matched with the trapezoidal block 1 (17), a clamping block (21) being fixedly mounted on the top end of the long rod (19), the clamping block (21) being close to the generator (7 ) is fixedly mounted with a shock-absorbing pad (22) at one end, a second slide bar (23) is slidably connected in the long rod (19), and the left and right ends of the second slide bar (23) are fixedly mounted on the inner wall of a slot (24) provided at the top of the adjustment box (8), and a return spring (27) is sleeved on the second slide bar (23) at the left and right ends of the long rod (19), the top end of the second return spring (26) is fixedly connected to the support plate (25), and the bottom end of the second return spring (26) is fixedly mounted on the top of the adjustment box (8).

4. A wind power component safety protection device according to claim 1, characterized in that: A gear lubrication mechanism is provided at the top of the gear box (5), and the gear lubrication mechanism comprises: a storage box (28), the storage box (28) is fixedly mounted on the top of the gear box (5) via a plurality of legs (29), a drive motor (30) is fixedly mounted on the rear end inner wall of a cavity (40) provided in the storage box (28), and an output end of the drive motor (30) is fixedly connected to a half gear (31), and a bottom end of the half gear (31) is meshingly connected to a rack (32), and lubricating liquid conveying components are symmetrically provided at left and right ends of the rack (32).

5. A wind power component safety protection device according to claim 4, characterized in that: The lubricating liquid delivery assembly comprises: a T-shaped rod (33), one end of the T-shaped rod (33) is fixedly mounted on the rack (32), and the other end of the T-shaped rod (33) passes through the pressurizing box (34) and is fixedly connected to the piston (35), a return spring three (52) is sleeved on the T-shaped rod (33), and the piston (35) is slidably connected to the inner wall of the pressurizing box (34) left and right, the bottom end of the rack (32) is slidably connected to the slide rod three (39) through a slider (38), and the left and right ends of the slide rod three (39) are fixedly mounted on the inner wall of the cavity one (40), The top end of the delivery rod (41) is fixedly mounted on the bottom end of the rack (32), and the bottom end of the delivery rod (41) passes through the gear box (5) and is connected to a plurality of nozzles (42). The pressurizing box (34) is fixedly mounted on the inner wall of the cavity (40), and the top end of the pressurizing box (34) is connected to the storage cavity (36) through a connecting pipe (48), and a reverse flow valve (37) is provided in the connecting pipe (48). The bottom end of the pressurizing box (34) is connected to the nozzle (42) through a connecting pipe (43), and a reverse flow valve (44) is provided in the connecting pipe (43).

6. A wind power component safety protection device according to claim 5, characterized in that: The lubricating liquid delivery assembly further comprises: a connecting pipe three (45), one end of the connecting pipe three (45) being in communication with the bottom end of the gear box (5), and the connecting pipe three (45) being in communication with the storage chamber (36) via a water pump (46), and a filter plate (47) being fixedly mounted between the connecting pipe three (45) and the storage chamber (36).

7. A wind power component safety protection device according to claim 1, characterized in that: A through hole (50) is provided at the right end of the cabin (1), and an electric valve (51) is fixedly mounted on the cabin (1) at the top end of the through hole (50).

8. A wind power component safety protection device according to claim 1, characterized in that: The cabin (1) is also provided with a temperature sensor and a humidity sensor for real-time monitoring of changes in the internal environment of the cabin (1).

9. A wind power component safety protection device according to claim 1, characterized in that: A lightning protection device is also provided at the top of the nacelle (1), and the lightning protection device comprises: a lightning rod and a grounding wire.

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