Safety protection structure for maintenance of wind power equipment

Abstract

The utility model relates to the technical field of wind power maintenance equipment, and discloses a wind power equipment maintenance safety protection structure which comprises a base, and a sliding rail is fixedly installed at the top end of the base. The driving mechanism is arranged on the front surface of the base; the moving mechanism is arranged at the top end of the base; the top end of the base is fixedly provided with a fixing frame, and the outer surface of the fixing frame is movably sleeved with a driven wheel. Through the arrangement of the driving motor, the driven wheel, the rotating gear and the rack, when the driving motor operates, the long shaft drives the driven wheel to rotate through the driving wheel and the transmission belt, and due to the fact that the rotating gear is meshed with the rack, the driven wheel drives the rack to move through the rotating gear; and then the rack drives the sliding block to move through the moving seat, due to the limiting effect of the sliding rail on the sliding block, the whole moving seat moves left and right at the moment, and therefore the work platform can horizontally move according to the use requirement.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power maintenance equipment technical field more specifically, the utility model relates to a kind of wind power equipment maintenance safety protection structure. BACKGROUND

[0002] Wind power technology is the technology of using wind energy to generate electricity, mainly relying on the manufacture of wind turbine generators. Because wind energy is a renewable and environmentally friendly energy source, developing wind power technology is a major strategic development for many countries today.

[0003] Wind energy is a clean and renewable energy source that has been used by people for a long time. Wind power generation is very environmentally friendly, and wind energy is abundant, so it is increasingly valued by countries around the world. With the development of the economy and the increasing perfection of social infrastructure, wind power equipment is widely used. Wind power equipment is often installed outdoors, which makes the working environment relatively harsh, so it needs to be regularly maintained by operators. Wind power equipment maintenance usually requires operators to reach different heights of wind turbines for repair. In the prior art, operators often use a lifting vehicle with protective functions for climbing work. However, most lifting vehicles on the market can only realize vertical lifting operation, and cannot adjust the position in the horizontal plane. When the operator needs to move during maintenance, the lifting vehicle as a whole needs to be moved, which is relatively troublesome. Moreover, since the working platform of the lifting vehicle is usually at a high height during maintenance, if the ground is bumpy during movement, the shaking amplitude of the working platform will be very large, which will pose a great danger to the personal safety of the operator, so it needs to be improved. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a wind power equipment maintenance safety protection structure, which has the advantage of horizontally moving the working platform according to the use requirements.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wind power equipment maintenance safety protection structure, comprising:

[0006] The base is fixedly installed with a slide rail at the top end;

[0007] The driving mechanism is arranged on the front of the base;

[0008] The moving mechanism is arranged at the top end of the base;

[0009] The outer surface of the fixed frame movably sleeves a driven wheel, the outer surface of the driven wheel fixedly sleeves a rotating gear, the inside of the rotating gear movably sleeves the outer surface of the fixed frame, the outer surface of the rotating gear is engaged with a rack, the outer surface of the rack fixedly sleeves a moving seat, the bottom end of the moving seat fixedly sleeves a sliding block, and the inside of the sliding block movably connects with the outer surface of the sliding rail.

[0010] As a preferred technical scheme of the utility model, the driving mechanism comprises:

[0011] The back surface of the driving motor is fixedly connected with the front surface of the base, the other end of the driving motor output shaft fixedly sleeves an elongated shaft, and the outer surface of the elongated shaft movably sleeves the inside of the base.

[0012] The inside of the driving wheel fixedly sleeves the outer surface of the elongated shaft, and the driving wheel is in transmission connection with the driven wheel through a transmission belt.

[0013] As a preferred technical scheme of the utility model, the inside of the moving seat movably sleeves a first short shaft, the other end of the first short shaft fixedly sleeves a moving rod, the other end of the moving rod fixedly sleeves an extrusion shaft, and the outer surfaces of the two ends of the extrusion shaft movably connect with the long rods.

[0014] As a preferred technical scheme of the utility model, the inside of the right end of the long rod movably sleeves a second short shaft, the other end of the second short shaft fixedly sleeves a movable rod, the inside of the movable rod movably sleeves a connecting shaft, the other end of the connecting shaft movably sleeves the inside of the moving rod, the other end of the movable rod fixedly sleeves a moving shaft, and the two ends of the moving shaft movably connect with the inside of the moving seat.

[0015] As a preferred technical scheme of the utility model, the inside of the right side of the moving seat fixedly sleeves a gas cylinder, the other end of the gas cylinder fixedly sleeves a moving block, the bottom end of the moving block movably connects with the bottom end of the inside of the moving seat, and the inside of the moving block movably sleeves the outer surface of the moving shaft.

[0016] As a preferred technical scheme of the utility model, the top end of the long rod fixedly sleeves an operation platform, the left side of the operation platform fixedly sleeves a ladder, and the front and rear ends of the top end of the operation platform fixedly sleeve first guardrails.

[0017] As a preferred technical scheme of the utility model, the outer surface of the first guardrail movably sleeves an activity door, the outer surface of the activity door fixedly sleeves a rotating block, the outer surface of the rotating block movably connects a bolt, the inside of the bolt fixedly sleeves the outer surface of the first guardrail, the inside of the bolt movably sleeves a locking block, and the bottom end of the outer surface of the locking block movably sleeves the inside of the rotating block.

[0018] As a preferred technical scheme of the utility model, the inside of the operation platform movably connects a moving plate, and the right side of the top end of the moving plate fixedly installs a second guardrail.

[0019] As a preferred technical scheme of the utility model, the right side of the operation platform fixedly installs a power motor, one end of the output shaft of the power motor fixedly sleeves a screw rod, the outer surface of the screw rod threadedly sleeves a toothed rod, the outer surface of the toothed rod movably connects the inside of the operation platform, the outer surface of the toothed rod engages a rotating gear, the inside of the rotating gear fixedly sleeves a fixed shaft, and the bottom end of the fixed shaft fixedly connects the inside of the operation platform.

[0020] As a preferred technical scheme of the utility model, the top end of the rotating gear fixedly installs a rotating rod, the inside of the rotating rod movably sleeves the outer surface of the fixed shaft, the inside of the other end of the rotating rod fixedly sleeves a round shaft, the outer surface of the round shaft movably connects an activity plate, and the right side of the activity plate fixedly connects the left side of the moving plate.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] 1、The utility model discloses a driving motor, a driven wheel, a rotating gear and a rack are set up, when the driving motor operates, the long shaft will drive the driven wheel to rotate through the driving wheel and the transmission belt, since the rotating gear is engaged with the rack, the driven wheel will drive the rack to move through the rotating gear, then the rack will drive the sliding block to move through the movement seat, since the sliding rail limits the sliding block, the movement seat as a whole will move left and right, so that the operation platform can be moved horizontally according to the use demand.

[0023] 2、The utility model discloses a screw rod, a toothed rod, a rotating gear and an activity plate are set up, since the screw rod is threadedly sleeved with the toothed rod, when the power motor operates, the screw rod will drive the toothed rod to move left, since the toothed rod is engaged with the rotating gear, the toothed rod will drive the rotating rod to rotate around the fixed shaft through the rotating gear, the rotating rod will extrude the inside of the activity plate through the round shaft, so that the activity plate drives the moving plate to move right along the inside of the operation platform as a whole, so that the operation area of the operation platform can be extended according to the use demand. DRAWINGS

[0024] Figure 1 is a structural schematic diagram of the utility model;

[0025] Figure 2 is a structural schematic diagram of the utility model from the back;

[0026] Figure 3 is a structural schematic diagram of the utility model in section;

[0027] Figure 4 is a structural schematic diagram of the utility model in section of the cylinder;

[0028] Figure 5 is a structural schematic diagram of the utility model in section of the movement seat;

[0029] Figure 6 is a structural schematic diagram of the utility model in section of the power motor;

[0030] Figure 7 is a structural schematic diagram of the utility model in section of the rotating rod.

[0031] In the drawing: 1, base; 2, slide rail; 3, fixed frame; 4, driven wheel; 5, rotating gear; 6, rack; 7, movement seat; 8, sliding block; 9, drive motor; 10, long shaft; 11, drive wheel; 12, transmission belt; 13, first short shaft; 14, movement rod; 15, extrusion shaft; 16, long rod; 17, second short shaft; 18, movable rod; 19, connecting shaft; 20, movement shaft; 21, cylinder; 22, movement block; 23, operation platform; 24, ladder; 25, first guardrail; 26, movable door; 27, rotating block; 28, bolt; 29, locking block; 30, movement plate; 31, second guardrail; 32, power motor; 33, screw; 34, rack; 35, rotating gear; 36, fixed shaft; 37, rotating rod; 38, round shaft; 39, movable plate. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] As Figures 1 to 7 shown, the utility model provides a wind power equipment maintenance safety protection structure, including:

[0034] The base 1 is fixedly installed with the slide rail 2 at the top end;

[0035] The drive mechanism is arranged on the front of the base 1;

[0036] The moving mechanism is arranged at the top end of the base 1.

[0037] The top end of the base 1 is fixedly provided with a fixing frame 3, the outer surface of the fixing frame 3 is movably sleeved with a driven wheel 4, the outer surface of the driven wheel 4 is fixedly provided with a rotating gear 5, the inner portion of the rotating gear 5 is movably sleeved with the outer surface of the fixing frame 3, the outer surface of the rotating gear 5 is movably connected with a rack 6, the outer surface of the rack 6 is fixedly provided with a moving seat 7, the bottom end of the moving seat 7 is fixedly provided with a sliding block 8, and the inner portion of the sliding block 8 is movably connected with the outer surface of the sliding rail 2.

[0038] The inner portion of the driven wheel 4 is movably sleeved with the outer surface of the fixing frame 3, and the outer surface of the driven wheel 4 is fixedly connected with the outer surface of the rotating gear 5, so that the driven wheel 4 can drive the rotating gear 5 to rotate around the fixing frame 3 as the axis, and the rotating gear 5 is movably connected with the rack 6, so that the rotating gear 5 is rotated to drive the moving seat 7 to move through the rack 6, and the two sliding blocks 8 are driven to move by the moving seat 7, and the two sliding blocks 8 are driven to move left and right by the moving seat 7, and meanwhile the moving seat 7 is driven to move left and right by the rack 6.

[0039] The driving mechanism comprises:

[0040] A driving motor 9 is fixedly connected with the front surface of the base 1, and the other end of the output shaft of the driving motor 9 is movably sleeved with a long shaft 10, and the outer surface of the long shaft 10 is movably sleeved with the inner portion of the base 1.

[0041] A driving wheel 11 is movably sleeved with the outer surface of the long shaft 10, and the driving wheel 11 is movably connected with the driven wheel 4 through a transmission belt 12.

[0042] When the driving motor 9 is operated, the long shaft 10 drives the driving wheel 11 to rotate, and then the driving wheel 11 drives the driven wheel 4 to rotate through the transmission belt 12.

[0043] The inner portion of the moving seat 7 is movably sleeved with a first short shaft 13, the other end of the first short shaft 13 is movably sleeved with a moving rod 14, the other end of the moving rod 14 is movably sleeved with an extrusion shaft 15, and the outer surfaces of the two ends of the extrusion shaft 15 are movably connected with long rods 16.

[0044] When the moving rod 14 rotates around the first short shaft 13 as the axis, the other end of the moving rod 14 drives the extrusion shaft 15 to rotate, and the outer surface of the extrusion shaft 15 extrudes and pushes the inner portion of the long rod 16.

[0045] The inner part of the right end of the long rod 16 is movably sleeved with a second short shaft 17, the other end of the second short shaft 17 is fixedly sleeved with a movable rod 18, the inner part of the movable rod 18 is movably sleeved with a connecting shaft 19, the other end of the connecting shaft 19 is movably sleeved with the inner part of the moving rod 14, the other end of the movable rod 18 is fixedly sleeved with a moving shaft 20, and both ends of the moving shaft 20 are movably connected with the inner part of the moving seat 7.

[0046] When the moving shaft 20 moves right along the inner part of the moving seat 7, the movable rod 18 will move under the drive of the moving shaft 20, and then the movable rod 18 will drive the moving rod 14 to rotate around the first short shaft 13, at the same time, the other end of the movable rod 18 will push the long rod 16 through the second short shaft 17, and the long rod 16 will move up under the pushing of the second short shaft 17 and the extrusion shaft 15.

[0047] The right inner part of the moving seat 7 is fixedly sleeved with an air cylinder 21, the other end of the air cylinder 21 is fixedly installed with a moving block 22, the bottom end of the moving block 22 is movably connected with the bottom end of the inner part of the moving seat 7, and the inner part of the moving block 22 is movably sleeved with the outer surface of the moving shaft 20.

[0048] When the air cylinder 21 operates, the other end of the air cylinder 21 will drive the moving shaft 20 to move right through the moving block 22.

[0049] The top end of the long rod 16 is fixedly installed with a working platform 23, the left side of the working platform 23 is fixedly installed with a ladder 24, and the front and rear ends of the top end of the working platform 23 are fixedly installed with first guardrails 25.

[0050] When the long rod 16 moves up, the working platform 23 as a whole will move up under the drive of the long rod 16, and due to the design of the ladder 24, the operator can conveniently climb to the top end of the working platform 23, and due to the design of the first guardrails 25, the operator on the top end of the working platform 23 can be protected.

[0051] The outer surface of the first guardrail 25 is movably sleeved with a movable door 26, the outer surface of the movable door 26 is fixedly sleeved with a rotating block 27, the outer surface of the rotating block 27 is movably connected with a bolt 28, the inner part of the bolt 28 is fixedly sleeved with the outer surface of the first guardrail 25, the inner part of the bolt 28 is movably sleeved with a locking block 29, and the bottom end of the outer surface of the locking block 29 is movably sleeved with the inner part of the rotating block 27.

[0052] Due to the active sleeve joint of the movable door 26 and the first guardrail 25, the movable door 26 can drive the rotating block 27 to rotate with the active sleeve joint of the first guardrail 25 as the axis, when the rotating block 27 rotates to the inside of the bolt 28, at this time the movable door 26 will cooperate with the first guardrail 25 to protect the operator, when the bottom end of the locking block 29 is located in the inside of the rotating block 27, at this time the overall movement of the movable door 26 will be locked by the locking block 29.

[0053] The inside of the work platform 23 is movably connected with a moving plate 30, and the right side of the top end of the moving plate 30 is fixedly installed with a second guardrail 31.

[0054] Due to the design of the second guardrail 31, the operator can be protected, and due to the movable connection of the moving plate 30 with the inside of the work platform 23, the moving plate 30 can move left and right along the inside of the work platform 23, at this time the second guardrail 31 will be driven by the moving plate 30 to move left and right, and in this process the work area of the work platform 23 will be extended.

[0055] The right side of the work platform 23 is fixedly installed with a power motor 32, the other end of the output shaft of the power motor 32 is fixedly sleeved with a screw rod 33, the outer surface of the screw rod 33 is threadedly sleeved with a toothed rod 34, the outer surface of the toothed rod 34 is movably connected with the inside of the work platform 23, the outer surface of the toothed rod 34 is meshingly connected with a rotating gear 35, the inside of the rotating gear 35 is fixedly sleeved with a fixed shaft 36, and the bottom end of the fixed shaft 36 is fixedly connected with the inside of the work platform 23.

[0056] When the power motor 32 operates, at this time the screw rod 33 will rotate, due to the threaded sleeve connection of the screw rod 33 and the toothed rod 34, at this time the toothed rod 34 will be driven by the screw rod 33 to move left along the inside of the work platform 23, due to the meshing connection of the toothed rod 34 and the rotating gear 35, at this time the rotating gear 35 will be driven by the toothed rod 34 to rotate with the fixed shaft 36 as the axis.

[0057] The top end of the rotating gear 35 is fixedly installed with a rotating rod 37, the inside of the rotating rod 37 is movably sleeved with the outer surface of the fixed shaft 36, the inside of the other end of the rotating rod 37 is fixedly sleeved with a circular shaft 38, the outer surface of the circular shaft 38 is movably connected with a movable plate 39, and the right side of the movable plate 39 is fixedly connected with the left side of the moving plate 30.

[0058] When the rotating gear 35 rotates, at this time the rotating rod 37 will be driven by the rotating gear 35 to rotate with the fixed shaft 36 as the axis, then the circular shaft 38 will be driven by the rotating rod 37 to rotate, at this time the circular shaft 38 will extrude the inside of the movable plate 39, so that the movable plate 39 drives the moving plate 30 as a whole to move right.

[0059] The utility model discloses a working principle and use flow:

[0060] First, the operator goes up the top of operation platform 23 through the ladder 24, and when the operator rotates the movable door 26, when the rotating block 27 is rotated to the inside of the bolt 28 under the drive of the movable door 26, the operator pushes the locking block 29 at this time, so that the locking block 29 moves to the inside of the rotating block 27, and the whole movement of the movable door 26 will be locked by the locking block 29 at this time, and the top of the operation platform 23 will be in a closed state under the cooperation of the first guardrail 25, the movable door 26 and the second guardrail 31 at this time, thereby the operator can be protected, and then the operator starts the cylinder 21, and the other end of the cylinder 21 will drive the moving shaft 20 to move right through the movement block 22 at this time, and the moving shaft 20 will drive the movable rod 18 to move at this time, and the movable rod 18 will drive the moving rod 14 to move through the connecting shaft 19 at this time due to the connecting effect of the connecting shaft 19, and the other end of the movable rod 18 will extrude the long rod 16 through the second short shaft 17 at this time, and the other end of the movable rod 18 will extrude the long rod 16 through the second short shaft 17 at this time, and the long rod 16 will move up under the drive of the extruding shaft 15 and the second short shaft 17 at this time, and the whole operation platform 23 will move up under the drive of the long rod 16 at this time, and when the operator needs to move the operation platform 23 horizontally, the operator starts the driving motor 9 at this time, and the long shaft 10 will drive the driving wheel 11 to rotate, and then the driving wheel 11 will drive the driven wheel 4 to rotate around the fixed frame 3 through the transmission belt 12, and the rotary gear 5 will rotate around the fixed frame 3 under the drive of the driven wheel 4 at the same time, and since the outer surface of the rotary gear 5 is meshed with the outer surface of the rack 6, the rack 6 will move under the drive of the rotary gear 5 at this time, and then the movement seat 7 will move under the drive of the rack 6, and the sliding block 8 will move along the outer surface of the slide rail 2 under the drive of the movement seat 7 at this time, and since the slide rail 2 is designed, the movement of the sliding block 8 will be limited, so that it can only move left and right, and the sliding block 8 will move left and right along the outer surface of the slide rail 2 under the drive of the movement seat 7 at this time, and the whole movement seat 7 will move left and right under the drive of the rack 6 at this time, so that the function of moving the operation platform 23 horizontally according to the use demand is realized.

[0061] Subsequently, the operator starts the power motor 32, at this time the screw rod 33 will rotate, because the outer surface of the screw rod 33 is sleeved with the internal thread of the toothed rod 34, when the screw rod 33 rotates, the toothed rod 34 will be driven to move, because the outer surface of the toothed rod 34 is engaged with the outer surface of the rotating gear 35, when the toothed rod 34 moves to the left, the rotating gear 35 will rotate around the fixed shaft 36, at the same time, the rotating rod 37 will rotate around the fixed shaft 36 under the driving of the rotating gear 35, at this time, the other end of the rotating rod 37 will drive the circular shaft 38 to rotate around the fixed shaft 36, when the circular shaft 38 rotates, the outer surface will extrude the inside of the movable plate 39, so as to make the movable plate 39 move, at this time, the whole moving plate 30 will move under the driving of the movable plate 39, because the inside of the working platform 23 is designed, the movement of the whole moving plate 30 will be limited, so that it can only move left and right, at this time, the whole moving plate 30 will move to the right along the inside of the working platform 23 under the driving of the movable plate 39, so as to realize the function of extending the working area of the working platform 23 according to the use requirement.

[0062] It should be noted that the relative terms, such as first and second, and the like, are used herein solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0063] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wind power plant service safety shield, characterized in that, Include: Base (1), the top end of the base (1) is fixedly installed with slide rail (2); Driving mechanism, the driving mechanism is arranged on the front of the base (1); Moving mechanism, the moving mechanism is arranged on the top end of the base (1); Wherein, the top end of the base (1) is fixedly installed with fixed frame (3), the outer surface of the fixed frame (3) is movably sleeved with driven wheel (4), the outer surface of the driven wheel (4) is fixedly installed with rotary gear (5), the inside of the rotary gear (5) is movably sleeved with the outer surface of the fixed frame (3), the outer surface of the rotary gear (5) is engagedly connected with rack (6), the outer surface of the rack (6) is fixedly installed with motion seat (7), the bottom end of the motion seat (7) is fixedly installed with sliding block (8), the inside of the sliding block (8) is movably connected with the outer surface of the slide rail (2).

2. The safety protection structure for wind power equipment maintenance according to claim 1, characterized in that: The driving mechanism includes: Driving motor (9), the back of the driving motor (9) is fixedly connected with the front of the base (1), the other end of the output shaft of the driving motor (9) is fixedly sleeved with long shaft (10), the outer surface of the long shaft (10) is movably sleeved with the inside of the base (1); Driving wheel (11), the inside of the driving wheel (11) is fixedly sleeved with the outer surface of the long shaft (10), the driving wheel (11) is drivingly connected with the driven wheel (4) through transmission belt (12).

3. The safety shield for maintenance of a wind power plant according to claim 1, characterized in that The inside of the motion seat (7) is movably sleeved with first short shaft (13), the other end of the first short shaft (13) is fixedly sleeved with motion rod (14), the other end of the motion rod (14) is fixedly sleeved with extrusion shaft (15), the outer surfaces of the two ends of the extrusion shaft (15) are movably connected with long rod (16).

4. The safety shield according to claim 3, wherein: The inside of the right end of the long rod (16) is movably sleeved with second short shaft (17), the other end of the second short shaft (17) is fixedly sleeved with movable rod (18), the inside of the movable rod (18) is movably sleeved with connecting shaft (19), the other end of the connecting shaft (19) is movably sleeved with the inside of the motion rod (14), the other end of the movable rod (18) is fixedly sleeved with motion shaft (20), the two ends of the motion shaft (20) are movably connected with the inside of the motion seat (7).

5. The safety shield for maintenance of a wind power plant according to claim 1, characterized in that: The inside of the right side of the motion seat (7) is fixedly sleeved with air cylinder (21), the other end of the air cylinder (21) is fixedly installed with motion block (22), the bottom end of the motion block (22) is movably connected with the bottom end of the inside of the motion seat (7), the inside of the motion block (22) is movably sleeved with the outer surface of the motion shaft (20).

6. The safety shield for maintenance of a wind power plant according to claim 3, characterized in that: The top end of the long rod (16) is fixedly installed with work platform (23), the left side of the work platform (23) is fixedly installed with ladder (24), the front and rear ends of the top end of the work platform (23) are fixedly installed with first guardrail (25).

7. A wind turbine maintenance safety shield according to claim 6, wherein: The outer surface of the first guardrail (25) movably sleeves an active door (26), the outer surface of the active door (26) fixedly sleeves a rotating block (27), the outer surface of the rotating block (27) movably connects a bolt (28), the inside of the bolt (28) is fixedly sleeved with the outer surface of the first guardrail (25), the inside of the bolt (28) movably sleeves a locking block (29), and the bottom end of the outer surface of the locking block (29) is movably sleeved with the inside of the rotating block (27).

8. A safety shield for use in the maintenance of a wind turbine according to claim 6, wherein: The inside of the operation platform (23) movably connects a moving plate (30), and the right side of the top end of the moving plate (30) is fixedly installed with a second guardrail (31).

9. The safety shield according to claim 6, wherein: The right side of the operation platform (23) is fixedly installed with a power motor (32), one end of the output shaft of the power motor (32) fixedly sleeves a screw rod (33), the outer surface of the screw rod (33) is threadedly sleeved with a toothed rod (34), the outer surface of the toothed rod (34) is movably connected with the inside of the operation platform (23), the outer surface of the toothed rod (34) is engagedly connected with a rotating gear (35), the inside of the rotating gear (35) is fixedly sleeved with a fixed shaft (36), and the bottom end of the fixed shaft (36) is fixedly connected with the inside of the operation platform (23).

10. A wind turbine maintenance safety shield according to claim 9, wherein: The top end of the rotating gear (35) is fixedly installed with a rotating rod (37), the inside of the rotating rod (37) is movably sleeved with the outer surface of the fixed shaft (36), the inside of the other end of the rotating rod (37) is fixedly sleeved with a round shaft (38), the outer surface of the round shaft (38) movably connects an active plate (39), and the right side of the active plate (39) is fixedly connected with the left side of the moving plate (30).

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