A wind power blade maintenance device

Abstract

The present invention discloses a blade maintenance device for wind power generation, which specifically relates to the technical field of wind power blade maintenance, and comprises a base, wherein a plurality of brake wheels are arranged at the bottom of the base, a lifting platform is arranged at the top of the base, a protective fence is arranged at the top of the lifting platform, and a horizontal adjustment structure is arranged at the connection between the protective fence and the lifting platform, and the horizontal adjustment structure comprises an adjustment plate, a rectangular sliding groove is opened through the outer wall of the lifting platform, the adjustment plate is slidably installed inside the rectangular sliding groove, a concave platform is arranged outside the lifting platform, and a screw rod and a sliding rod are arranged inside the rectangular sliding groove, wherein the screw rod is located on one side of the sliding rod. The present invention can facilitate maintenance personnel to perform maintenance operations at different heights and different positions of wind power blades, and does not need to frequently adjust the position of the device, thereby improving maintenance efficiency, and can ensure the safety of maintenance personnel during maintenance, and the stability of the entire device is good.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power blade maintenance, and more specifically, to a blade maintenance device for wind power generation. Background Art

[0002] Wind power generation refers to the conversion of wind kinetic energy into electrical energy. At present, wind turbines are generally divided into civil and industrial use. Generally, civil use belongs to small-scale wind power generation. When the wind turbine is used for a long time, the blades will inevitably be damaged. Therefore, it is necessary to repair the wind turbine blades.

[0003] However, the protective effect of general small wind turbine blade maintenance devices on the market is not very good, which makes it easy for people to get into danger when repairing the blades, making people feel uneasy to use, unable to meet people's usage needs, and bringing inconvenience to people's work.

[0004] After searching, a Chinese patent with announcement number CN214533391U discloses a maintenance device for wind turbine blades. This structure achieves the purpose of good protection effect of the maintenance device for the wind turbine blades, thereby solving the problem that the protection effect of the maintenance device for the blades of general wind turbines is not very good, effectively reducing the occurrence of danger in the process of blade maintenance, making people feel more at ease when using it, further meeting people's usage needs, and bringing convenience to people's work.

[0005] However, when this structure is actually used, it is inconvenient for workers to stand on the work board to horizontally adjust the position of the work board while repairing the wind turbine blades. When it is necessary to repair different positions of the wind turbine blades, the workers are required to frequently move the device up and down, which is inconvenient to operate and affects the maintenance efficiency. In view of this, the present invention proposes a blade maintenance device for wind power generation. Summary of the invention

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a blade maintenance device for wind power generation to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a blade maintenance device for wind power generation, comprising a base, a plurality of brake wheels are arranged at the bottom of the base, a lifting platform is arranged at the top of the base, and a protective fence is arranged at the top of the lifting platform.

[0008] In order to facilitate maintenance operations on different positions of wind turbine blades and reduce the burden caused by frequent movement of the device, preferably, a horizontal adjustment structure is provided at the connection between the guardrail and the lifting platform, and the horizontal adjustment structure includes an adjusting plate, a rectangular sliding groove is penetrated through the outer wall of the lifting platform, the adjusting plate is slidably installed in the inner part of the rectangular sliding groove, a concave platform is provided on the outside of the lifting platform, a screw rod and a sliding rod are provided in the inner part of the rectangular sliding groove, wherein the screw rod is located on one side of the sliding rod, and a driving motor is provided at one end of the screw rod, the driving motor is fixedly installed at one end of the lifting platform, and the output end of the driving motor is fixedly connected to the screw rod inside the rectangular sliding groove, the screw rod is rotatably installed on the inner wall of the rectangular sliding groove, and the sliding rod is fixed on the inner wall of the rectangular sliding groove, the adjusting plate is threadedly connected and slidably connected to the screw rod and the sliding rod respectively, the two ends of the concave platform are slidably connected to the outer wall of the lifting platform, and the two ends of the adjusting plate are respectively fixedly connected to the inner wall of the concave platform.

[0009] In order to provide good support for the device, preferably, two threaded barrels are fixedly provided on the two outer walls of the base, an adjusting screw is installed on the internal thread of the threaded barrel, a support plate is provided at the bottom of the adjusting screw, and an anti-slip pad is provided at the bottom of the support plate.

[0010] In order to facilitate the adjustment of the height of the lifting platform, preferably, two cylinders are arranged between the base and the lifting platform, wherein the bottom end of the cylinder is fixed to the surface of the base, the top end of the cylinder is fixedly connected to the bottom of the lifting platform, and guide rods are arranged at the four corners of the base surface, and the lifting platform is slidably connected to the guide rods.

[0011] In order to facilitate maintenance personnel to enter the interior of the protective fence, preferably, one end of the protective fence is open, and two inspection doors are symmetrically arranged at the opening of the protective fence, and the two inspection doors are hinged to the protective fence. The protective fence is fixedly installed on the top of the concave platform.

[0012] In order to facilitate the classification and placement of tools used in wind turbine blade maintenance, preferably, a placement box is fixedly provided on the inner wall of the protective fence, and a plurality of partitions are fixedly provided inside the placement box, and a plurality of placement cavities are formed between the plurality of partitions and the placement box.

[0013] Technical effects and advantages of the present invention:

[0014] 1. By setting a horizontal adjustment structure, the driving motor drives the lead screw to rotate inside the rectangular sliding groove, so that the adjustment plate slides horizontally inside the rectangular sliding groove under the action of the sliding rod. The movement of the adjustment plate drives the concave platform to move horizontally on the surface of the lifting platform, and then drives the protective fence and the maintenance personnel inside the protective fence to move horizontally on the top of the lifting platform, which can facilitate maintenance operations on different positions of the wind turbine blades, and does not require maintenance personnel to frequently adjust the position of the device up and down, thereby improving maintenance efficiency;

[0015] 2. The lifting platform is driven to extend upward through the output end of the cylinder, so that the lifting platform slides and guides outside the multiple guide rods, thereby facilitating the adjustment of the use height of the device and facilitating the maintenance of wind turbine blades of different heights. In addition, the partition divides the placement box into several placement cavities, which can facilitate maintenance personnel to place the tools used for repairing wind turbine blades in the corresponding placement cavities, so that maintenance personnel can take them out for use at any time;

[0016] 3. By rotating the corresponding adjusting screw, the adjusting screw drives the supporting plate to support the ground, thereby improving the stability of the device. The anti-slip pad can increase the friction with the ground to prevent the device from shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the internal structure of the placement box of the present invention.

[0019] Figure 3 It is a schematic diagram of the surface structure of the lifting platform of the present invention.

[0020] Figure 4 It is a schematic diagram of the connection structure between the adjustment plate, the lead screw and the slide rod of the present invention.

[0021] Figure 5 It is a schematic diagram of the connection structure between the adjusting screw and the threaded barrel of the present invention.

[0022] The accompanying drawings are marked as follows: 1. base; 2. brake wheel; 3. lifting platform; 4. guardrail; 5. adjustment plate; 6. rectangular sliding groove; 7. concave platform; 8. screw rod; 9. sliding rod; 10. driving motor; 11. threaded barrel; 12. adjusting screw; 13. support plate; 14. anti-slip pad; 15. cylinder; 16. guide rod; 17. inspection door; 18. placement box; 19. partition. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0024] As attached Figure 1-5 The wind turbine blade maintenance device shown comprises a base 1, a plurality of brake wheels 2 are arranged at the bottom of the base 1, a lifting platform 3 is arranged at the top of the base 1, and a protective fence 4 is arranged at the top of the lifting platform 3.

[0025] Specifically, in this structure, the base 1 can be moved by the brake wheel 2 at the bottom to move the maintenance device to the maintenance position of the wind turbine blade. The lifting platform 3 can be raised and lowered so that maintenance personnel can perform maintenance operations on the blades at high places. The guardrail 4 can provide protection for the maintenance personnel.

[0026] In a specific embodiment, as shown in the attached Figure 1 , 3 As shown in , 4, a horizontal adjustment structure is provided at the connection between the guardrail 4 and the lifting platform 3, and the horizontal adjustment structure includes an adjustment plate 5. A rectangular sliding groove 6 is penetrated through the outer wall of the lifting platform 3, and the adjustment plate 5 is slidably installed in the inside of the rectangular sliding groove 6. A concave platform 7 is provided on the outside of the lifting platform 3, and a screw rod 8 and a sliding rod 9 are provided in the inside of the rectangular sliding groove 6, wherein the screw rod 8 is located on one side of the sliding rod 9, and a driving motor 10 is provided at one end of the screw rod 8, the driving motor 10 is fixedly installed at one end of the lifting platform 3, and the output end of the driving motor 10 is fixedly connected to the screw rod 8 in the rectangular sliding groove 6, the screw rod 8 is rotatably installed on the inner wall of the rectangular sliding groove 6, and the sliding rod 9 is fixed on the inner wall of the rectangular sliding groove 6, the adjustment plate 5 is threadedly connected and slidably connected to the screw rod 8 and the sliding rod 9 respectively, the two ends of the concave platform 7 are slidably connected to the outer wall of the lifting platform 3, and the two ends of the adjustment plate 5 are fixedly connected to the inner wall of the concave platform 7 respectively.

[0027] Specifically, in this structure, the driving motor 10 drives the screw rod 8 to rotate inside the rectangular sliding groove 6, so that the adjustment plate 5 slides horizontally inside the rectangular sliding groove 6 under the action of the sliding rod 9. The movement of the adjustment plate 5 drives the concave platform 7 to move horizontally on the surface of the lifting platform 3, and then drives the protective guardrail 4 and the maintenance personnel inside the protective guardrail 4 to move horizontally on the top of the lifting platform 3, which can facilitate maintenance operations on different positions of the wind turbine blades, and there is no need for maintenance personnel to frequently adjust the position of the device up and down, thereby improving maintenance efficiency.

[0028] In a specific embodiment, as shown in the attached Figure 1 , 5As shown, two outer walls of the base 1 are fixedly provided with two threaded barrels 11 , the internal threads of the threaded barrels 11 are provided with adjusting screws 12 , the bottom of the adjusting screws 12 is provided with a supporting plate 13 , and the bottom of the supporting plate 13 is provided with an anti-slip pad 14 .

[0029] Specifically, in this structure, when the device is moved to the maintenance position, the operator can rotate the corresponding adjusting screw 12 so that the adjusting screw 12 drives the supporting plate 13 to support the ground, thereby improving the stability of the device. The anti-slip pad 14 can increase the friction with the ground to prevent the device from shaking.

[0030] In a specific embodiment, as shown in the attached Figure 1 As shown, two cylinders 15 are arranged between the base 1 and the lifting platform 3, wherein the bottom end of the cylinder 15 is fixed to the surface of the base 1, and the top end of the cylinder 15 is fixedly connected to the bottom of the lifting platform 3, and guide rods 16 are arranged at the four corners of the surface of the base 1, and the lifting platform 3 is slidably connected to the guide rods 16.

[0031] Specifically, in this structure, the maintenance personnel are on the surface of the concave platform 7 and inside the protective fence 4. At this time, the output end of the cylinder 15 drives the lifting platform 3 to extend upward, so that the lifting platform 3 slides and guides on the outside of multiple guide rods 16, thereby facilitating the adjustment of the use height of the device and facilitating the maintenance of wind turbine blades at different heights.

[0032] In a specific embodiment, as shown in the attached Figure 1 As shown, one end of the guardrail 4 is open, and two inspection doors 17 are symmetrically arranged at the opening of the guardrail 4 , and the two inspection doors 17 are hinged to the guardrail 4 , and the guardrail 4 is fixedly installed on the top of the concave platform 7 .

[0033] Specifically, in this structure, maintenance personnel can enter the interior of the protective barrier 4 by opening the inspection door 17, and then the protective barrier 4 can be used to protect the maintenance personnel and avoid the risk of the maintenance personnel falling.

[0034] In a specific embodiment, as shown in the attached Figure 1 , 2 As shown, a placement box 18 is fixedly provided on the inner wall of the protection fence 4 , and a plurality of partitions 19 are fixedly provided inside the placement box, and a plurality of placement cavities are formed between the plurality of partitions 19 and the placement box 18 .

[0035] Specifically, in this structure, the partition 19 divides the placement box 18 into a plurality of placement cavities, which can facilitate maintenance personnel to place the tools used for repairing wind turbine blades inside the corresponding placement cavities, so that the maintenance personnel can take them out for use at any time.

[0036] Working principle of the present invention:

[0037] The present application provides a wind turbine blade maintenance device. First, the maintenance personnel moves the device through the brake wheel 2 at the bottom of the base 1. After the maintenance device is moved to the maintenance position of the wind turbine blade, the corresponding adjustment screw 12 is rotated so that the adjustment screw 12 drives the support plate 13 to support the ground, thereby improving the stability of the device. The anti-slip pad 14 can increase the friction with the ground to prevent the device from shaking.

[0038] The maintenance personnel place the tools needed for maintenance in advance inside the placement box 18, and classify and place different types of tools in the placement cavity formed by the partition 19 and the placement box 18, and enter the inside of the protective fence 4 by opening the inspection door 17, and then close the inspection door 17. At this time, the maintenance personnel stand on the concave platform 7 and are inside the protective fence 4. The protective fence 4 is used to protect the maintenance personnel to avoid the risk of falling.

[0039] The output end of the cylinder 15 drives the lifting platform 3 to extend upward, so that the lifting platform 3 slides and guides on the outside of multiple guide rods 16, thereby facilitating the adjustment of the use height of the device and facilitating the maintenance of wind turbine blades at different heights. The driving motor 10 drives the screw rod 8 to rotate inside the rectangular sliding groove 6, so that the adjustment plate 5 slides horizontally inside the rectangular sliding groove 6 under the action of the sliding rod 9. The movement of the adjusting plate 5 drives the concave platform 7 to move horizontally on the surface of the lifting platform 3, thereby driving the protective guard 4 and the maintenance personnel inside the protective guard 4 to move horizontally on the top of the lifting platform 3, which can facilitate the maintenance operations at different positions of the wind turbine blades, and there is no need for maintenance personnel to frequently adjust the position of the device up and down, thereby improving maintenance efficiency.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. 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 turbine blade maintenance device, comprising a base (1), characterized in that: A plurality of brake wheels (2) are arranged at the bottom of the base (1), a lifting platform (3) is arranged at the top of the base (1), a protective guardrail (4) is arranged at the top of the lifting platform (3), and a horizontal adjustment structure is arranged at the connection between the protective guardrail (4) and the lifting platform (3); The horizontal adjustment structure comprises an adjustment plate (5), a rectangular sliding groove (6) is formed through the outer wall of the lifting platform (3), the adjustment plate (5) is slidably mounted inside the rectangular sliding groove (6), a concave platform (7) is arranged outside the lifting platform (3), a screw rod (8) and a sliding rod (9) are arranged inside the rectangular sliding groove (6), wherein the screw rod (8) is located on one side of the sliding rod (9), and a driving motor (10) is arranged at one end of the screw rod (8).

2. The wind turbine blade maintenance device according to claim 1, characterized in that: Two threaded barrels (11) are fixedly provided on the two outer walls of the base (1), an adjusting screw (12) is installed on the internal threads of the threaded barrel (11), a supporting plate (13) is provided at the bottom of the adjusting screw (12), and an anti-slip pad (14) is provided at the bottom of the supporting plate (13).

3. The wind turbine blade maintenance device according to claim 1, characterized in that: Two cylinders (15) are arranged between the base (1) and the lifting platform (3), wherein the bottom ends of the cylinders (15) are fixed to the surface of the base (1), and the top ends of the cylinders (15) are fixedly connected to the bottom of the lifting platform (3); Guide rods (16) are arranged at the four corners of the surface of the base (1), and the lifting platform (3) is slidably connected to the guide rods (16).

4. The wind turbine blade maintenance device according to claim 1, characterized in that: One end of the guardrail (4) is in an open shape, and two inspection doors (17) are symmetrically arranged at the opening of the guardrail (4), and the two inspection doors (17) are both hinged to the guardrail (4). The guardrail (4) is fixedly mounted on the top of the concave platform (7).

5. The wind turbine blade maintenance device according to claim 1, characterized in that: A placement box (18) is fixedly arranged on the inner wall of the protective fence (4), a plurality of partitions (19) are fixedly arranged inside the placement box (18), and a plurality of placement cavities are formed between the plurality of partitions (19) and the placement box (18).

6. The wind turbine blade maintenance device according to claim 1, characterized in that: The drive motor (10) is fixedly mounted on one end of the lifting platform (3), and the output end of the drive motor (10) is fixedly connected to the screw rod (8) inside the rectangular sliding groove (6), the screw rod (8) is rotatably mounted on the inner wall of the rectangular sliding groove (6), and the sliding rod (9) is fixed on the inner wall of the rectangular sliding groove (6), and the adjustment plate (5) is threadedly connected and slidably connected to the screw rod (8) and the sliding rod (9) respectively.

7. The wind turbine blade maintenance device according to claim 1, characterized in that: The two ends of the concave platform (7) are slidably connected to the outer wall of the lifting platform (3), and the two ends of the adjustment plate (5) are respectively fixedly connected to the inner wall of the concave platform (7).

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