Anti-shaking lifting appliance for maintenance

Abstract

The utility model relates to the technical field of fan blades, and discloses an anti-shaking lifting appliance for maintenance, which comprises a mounting table, a stand column is hinged to the top end face of the mounting table, and a lifting assembly is arranged on the side wall of the stand column. According to the anti-shaking lifting appliance for maintenance, the stabilizing frame moves longitudinally on the vertical rod all the time in the lifting process of the hook, then the hook is limited through the sleeve rod and the mounting frame, so that the hook cannot deflect, the stabilizing frame provides an additional supporting point, the hook is kept in a vertical state, and it is ensured that the lifting process of a blade is more stable and safer; when the lengths of the sleeve and the movable rod are adjusted, the sleeve rod is always connected with the stabilizing frame and the mounting frame in a sleeving manner, so that the stabilizing frame and the mounting frame are always connected, the stabilizing frame and the mounting frame are always kept aligned, the hook is stably supported, the hook is prevented from deviating or shaking, the limiting block pulls the traction rope to transversely wind in a reciprocating manner, and the traction rope is prevented from being wound at one position.

Description

Technical Field

[0001] The utility model relates to the technical field of fan blades, in particular to a maintenance hanger capable of preventing shaking. Background Art

[0002] Wind turbine blades are one of the core components of wind turbines and are responsible for capturing wind energy and converting it into mechanical energy. In order to meet the functional requirements of blades, the blade material needs to have the characteristics of lightweight, high strength, corrosion resistance and fatigue resistance. However, during operation, wind turbine blades may be subjected to external forces such as impact, resulting in damage to the blade surface. This damage may affect the normal operation of the wind turbine blades, so timely maintenance and repair are required. During the maintenance process, the workpiece needs to be hoisted to the top of the wind turbine blade for necessary repair and replacement work.

[0003] According to a disclosed hanger for repairing wind turbine blades (publication number: CN219174072U), the above application includes a base plate, a fixed seat is installed in the middle of the top of the base plate, a support tube is vertically movably installed inside the fixed seat, and fixing mechanisms are installed on both sides of the fixed seat, and the fixing mechanisms are connected to the bottom of the support tube.

[0004] However, when the above-mentioned hoist is used to hoist the wind turbine blades, the blades are not limited. During the lifting process, the inertia of the blades and the influence of wind will cause the blades to shake, which may cause them to collide with surrounding structures or other blades, resulting in damage to the surface or interior of the blades. At the same time, the shaking of the blades will increase the swing and adjustment time during the lifting process, resulting in a decrease in the lifting efficiency, which may prolong the maintenance and repair time of the wind turbine. In view of this, we propose a maintenance hoist that can prevent shaking. Utility Model Content

[0005] The utility model aims to provide a maintenance hanger which can prevent shaking, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a maintenance hanger capable of preventing shaking, comprising a mounting platform, a column is hingedly connected to the top end surface of the mounting platform, a lifting assembly is arranged on the side wall of the column, and the lifting assembly comprises:

[0007] A movable rod, a sleeve is fixedly connected to the side wall of the column, the sleeve is sleeved with the movable rod, a limiting ring is fixedly connected to the bottom of the movable rod and the sleeve, and a limiting ring is fixedly connected to the side wall of the column;

[0008] A hook, a top end surface of the mounting platform is fixedly connected with a vertical plate, a side wall of the vertical plate is rotatably connected with a winding roller, a traction rope is wound around the side wall of the winding roller, an end of the traction rope away from the winding roller is fixedly connected with a mounting block, and an end of the mounting block away from the traction rope is fixedly connected with the hook;

[0009] The motor, the top end surface of the mounting platform is fixedly connected with the seat body, the top end surface of the seat body is fixedly connected with the motor, the output end of the motor is fixedly connected with the rotating shaft, and the rotating shaft is fixedly connected with the winding roller;

[0010] A vertical rod, a connecting rod is fixedly connected to the side wall of the column, an end of the connecting rod away from the column is fixedly connected to the vertical rod, a stabilizing frame is movably connected to the side wall of the vertical rod, the stabilizing frame is sleeved with the sleeve rod, the sleeve rod is sleeved with the mounting frame, and the mounting frame is sleeved with the mounting block;

[0011] A support rod, the side wall of the column is fixedly connected with a mounting seat, the top of the mounting platform is hinged with a support rod, and the support rod is movably connected with the mounting seat through a sleeved pin.

[0012] Preferably, the vertical plate is fixedly connected to the mounting plate, the side wall of the mounting plate is sleeved with a reciprocating screw, the reciprocating screw is sleeved with a belt, the side wall of the reciprocating screw is threadedly connected with a limiting block, and the limiting block is sleeved with the traction rope.

[0013] Preferably, the traction rope is sleeved with a limiting ring, and the limiting ring limits the position of the traction rope.

[0014] Preferably, both ends of the sleeve rod are fixedly connected with stoppers, which limit the position of the sleeve rod to prevent the sleeve rod from falling off from the stabilizing frame and the mounting frame.

[0015] Preferably, a cross bar is sleeved on the side wall of the mounting plate, and the cross bar is movably connected to the limit block.

[0016] Preferably, the reciprocating screw is transmission-connected to the rotating shaft via a sleeved belt, and the rotation of the rotating shaft drives the reciprocating screw to rotate via the transmission of the belt.

[0017] Compared with the prior art, the utility model provides a maintenance hanger that can prevent shaking, which has the following beneficial effects:

[0018] 1. The maintenance hoist with anti-swaying has a stabilizing frame, a sleeve rod, a mounting frame and a supporting rod. The stabilizing frame always moves longitudinally on the vertical rod during the lifting and lowering of the hook, and then limits the hook through the sleeve rod and the mounting frame, so that the hook cannot swing. The stabilizing frame provides an additional supporting point to keep the hook in a vertical state, ensuring that the lifting process of the blade is more stable and safe. While adjusting the length of the sleeve and the movable rod, the sleeve rod is always connected with the stabilizing frame and the mounting frame, so that the stabilizing frame and the mounting frame are always connected, ensuring that they are always aligned, ensuring stable support for the hook, and preventing it from deflecting or shaking. When lifting is required, the supporting rod is fixedly connected to the mounting seat by a pin to realize the installation of the supporting rod, and the column is erected to realize the installation of the hoist. The convenience of the hoist itself moving is improved by the foldable hoist.

[0019] 2. The anti-sway maintenance hoist has a reciprocating screw and a limit block. The limit block pulls the traction rope to reciprocate horizontally to avoid the traction rope being entangled in one place. The uniform winding of the traction rope can reduce the twisting and entanglement of the rope, ensure the stability and reliability of the lifting process, and avoid operation delays or shaking caused by the entanglement of the traction rope during the lifting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of the middle A area;

[0022] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the middle B area;

[0023] Figure 4 This is a schematic diagram of the winding roller structure of the utility model.

[0024] In the figure: 1. mounting table; 2. column; 3. sleeve; 4. movable rod; 5. limiting ring; 6. vertical plate; 7. winding roller; 8. traction rope; 9. mounting block; 10. hook; 11. connecting rod; 12. vertical rod; 13. stabilizing frame; 14. sleeve rod; 15. mounting frame; 16. mounting seat; 17. support rod; 18. latch; 19. seat body; 20. motor; 21. rotating shaft; 22. mounting plate; 23. reciprocating screw; 24. cross bar; 25. belt; 26. limiting block. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 4As shown, the utility model provides a technical solution: a maintenance sling with anti-swaying, including a mounting platform 1, the top end surface of the mounting platform 1 is hinged with a column 2, the side wall of the column 2 is provided with a lifting assembly, the lifting assembly includes a sleeve 3, a movable rod 4, a limiting ring 5, a vertical plate 6, a winding roller 7, a traction rope 8, a mounting block 9, a hook 10, a connecting rod 11, a vertical rod 12, a stabilizing frame 13, a sleeve rod 14, a mounting frame 15, a mounting seat 16, a support rod 17, a pin 18, a seat body 19, a motor 20, a rotating shaft 21, a mounting plate 22, a reciprocating screw rod 23, a cross bar 24, a belt 25, and a limiting block 26.

[0026] In one embodiment of the utility model, the side wall of the column 2 is fixedly connected with a sleeve 3, the sleeve 3 is sleeved with the movable rod 4, the movable rod 4 is fixedly connected with the bottom of the sleeve 3 to a limiting ring 5, the side wall of the column 2 is fixedly connected with the limiting ring 5, the top end surface of the mounting platform 1 is fixedly connected with a vertical plate 6, the side wall of the vertical plate 6 is rotatably connected with a winding roller 7, a traction rope 8 is wound around the side wall of the winding roller 7, the end of the traction rope 8 away from the winding roller 7 is fixedly connected with a mounting block 9, the end of the mounting block 9 away from the traction rope 8 is fixedly connected with a hook 10, the traction rope 8 is sleeved with the limiting ring 5, the limiting ring 5 limits the traction rope 8, and the top end surface of the mounting platform 1 A seat body 19 is fixedly connected, a motor 20 is fixedly connected to the top end surface of the seat body 19, a rotating shaft 21 is fixedly connected to the output end of the motor 20, the rotating shaft 21 is fixedly connected to the winding roller 7, a connecting rod 11 is fixedly connected to the side wall of the column 2, an end of the connecting rod 11 away from the column 2 is fixedly connected to the vertical rod 12, a stabilizing frame 13 is movably connected to the side wall of the vertical rod 12, the stabilizing frame 13 is socketed with a sleeve rod 14, the sleeve rod 14 is socketed with a mounting frame 15, the mounting frame 15 is socketed with the mounting block 9, and blocks are fixedly connected to both ends of the sleeve rod 14, the blocks limit the position of the sleeve rod 14 to prevent the sleeve rod 14 from falling off from the stabilizing frame 13 and the mounting frame 15.

[0027] The side wall of the column 2 is fixedly connected with a mounting seat 16 , and the top of the mounting platform 1 is hinged with a support rod 17 , and the support rod 17 is movably connected to the mounting seat 16 through a sleeved latch 18 .

[0028] The vertical plate 6 is fixedly connected to the mounting plate 22, the side wall of the mounting plate 22 is sleeved with a reciprocating screw 23, the reciprocating screw 23 is sleeved with a belt 25, the side wall of the reciprocating screw 23 is threadedly connected with a limit block 26, the limit block 26 is sleeved with the traction rope 8, the reciprocating screw 23 is transmission-connected to the rotating shaft 21 through the sleeved belt 25, the rotation of the rotating shaft 21 drives the reciprocating screw 23 to rotate through the transmission of the belt 25, the side wall of the mounting plate 22 is sleeved with a cross bar 24, and the cross bar 24 is movably connected with the limit block 26.

[0029] Pull the movable rod 4 outward to adjust the length of the sleeve 3 and the movable rod 4 so that the sling is adjusted to the required length. The motor 20 starts to drive the rotating shaft 21 and the winding roller 7 to rotate, so that the traction rope 8 is wound, and then the hook 10 and the blade are driven to rise, thereby realizing the lifting of the blade.

[0030] During the lifting and lowering process of the hook 10, the mounting frame 15 is socketed with the mounting block 9, and the mounting frame 15 is connected to the stabilizing frame 13 through the sleeve rod 14. During the lifting and lowering process of the hook 10, the stabilizing frame 13 always moves longitudinally on the vertical rod 12, and the stabilizing frame 13 prevents the hook 10 from swinging. The stabilizing frame 13 provides an additional support point, so that the hook 10 remains in a vertical state, ensuring that the lifting process of the blade is more stable and safe.

[0031] While adjusting the length of the sleeve 3 and the movable rod 4, the sleeve rod 14 is connected with the stabilizing frame 13 and the mounting frame 15 so that the stabilizing frame 13 and the mounting frame 15 are always connected to ensure that they are always aligned, thereby ensuring stable support for the hook 10 and preventing it from deflecting or shaking.

[0032] During transportation, the column 2 rotates and abuts against the mounting platform 1. When lifting is required, the column 2 is rotated to make the column 2 perpendicular to the mounting platform 1, and then the support rod 17 is fixedly connected to the mounting seat 16 using the pin 18 to install the support rod 17. The column 2 is erected to install the sling. The foldable sling improves the convenience of moving the sling itself.

[0033] In addition, the vertical plate 6 is fixedly connected to the mounting plate 22, and the side wall of the mounting plate 22 is sleeved with a reciprocating screw 23, and the reciprocating screw 23 is sleeved with a belt 25. The side wall of the reciprocating screw 23 is threadedly connected to a limit block 26, and the limit block 26 is sleeved with the traction rope 8. While the motor 20 drives the winding roller 7 to rotate, it drives the reciprocating screw 23 to rotate through the transmission of the belt 25, so that the limit block 26 reciprocates laterally. The limit block 26 pulls the traction rope 8 to rewind laterally to avoid the traction rope 8 being entangled in one place. The uniform winding of the traction rope 8 can reduce the twisting and entanglement of the rope, ensure the stability and reliability of the lifting process, and avoid operational delays or shaking caused by the winding of the traction rope 8 during the lifting process.

[0034] In the utility model, when in use, the movable rod 4 is pulled to adjust the length of the sleeve 3 and the movable rod 4, the motor 20 is started to drive the rotating shaft 21 and the winding roller 7 to rotate, so that the traction rope 8 is wound, and then the hook 10 and the blade are driven to rise. During the process of the hook 10 being raised and lowered, the stabilizing frame 13 always moves longitudinally on the vertical rod 12, and then the hook 10 is limited by the sleeve rod 14 and the mounting frame 15. While the motor 20 drives the winding roller 7 to rotate, it drives the reciprocating screw rod 23 to rotate through the transmission of the belt 25, so that the limit block 26 reciprocates laterally, and the limit block 26 pulls the traction rope 8 to rewind laterally.

[0035] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A maintenance hanger capable of preventing shaking, comprising a mounting platform (1), a top end surface of the mounting platform (1) being hingedly connected to a column (2), characterized in that: The side wall of the column (2) is provided with a hanging assembly, and the hanging assembly comprises: A movable rod (4), the side wall of the column (2) is fixedly connected with a sleeve (3), the sleeve (3) and the movable rod (4) are sleeved together, the movable rod (4) and the bottom of the sleeve (3) are fixedly connected with a limiting ring (5), and the side wall of the column (2) is fixedly connected with the limiting ring (5); A hook (10), the top end surface of the mounting platform (1) is fixedly connected to a vertical plate (6), the side wall of the vertical plate (6) is rotatably connected to a winding roller (7), a traction rope (8) is wound around the side wall of the winding roller (7), the end of the traction rope (8) away from the winding roller (7) is fixedly connected to a mounting block (9), and the end of the mounting block (9) away from the traction rope (8) is fixedly connected to the hook (10); A motor (20), the top end surface of the mounting platform (1) is fixedly connected to a seat body (19), the top end surface of the seat body (19) is fixedly connected to the motor (20), the output end of the motor (20) is fixedly connected to a rotating shaft (21), and the rotating shaft (21) is fixedly connected to a winding roller (7); A vertical rod (12), the side wall of the column (2) is fixedly connected to a connecting rod (11), one end of the connecting rod (11) away from the column (2) is fixedly connected to the vertical rod (12), the side wall of the vertical rod (12) is movably connected to a stabilizing frame (13), the stabilizing frame (13) is sleeved with a sleeve rod (14), the sleeve rod (14) is sleeved with a mounting frame (15), and the mounting frame (15) is sleeved with a mounting block (9); A support rod (17), the side wall of the column (2) is fixedly connected to a mounting seat (16), the top of the mounting platform (1) is hinged with a support rod (17), and the support rod (17) is movably connected to the mounting seat (16) through a sleeved latch (18).

2. The anti-sway maintenance hanger according to claim 1, characterized in that: The vertical plate (6) is fixedly connected to the mounting plate (22); the side wall of the mounting plate (22) is sleeved with a reciprocating screw rod (23); the reciprocating screw rod (23) is sleeved with a belt (25); the side wall of the reciprocating screw rod (23) is threadedly connected to a limiting block (26); and the limiting block (26) is sleeved with a traction rope (8).

3. The anti-sway maintenance hanger according to claim 1, characterized in that: The traction rope (8) is sleeved with the limiting ring (5).

4. The anti-sway maintenance hanger according to claim 1, characterized in that: Stop blocks are fixedly connected to both ends of the sleeve rod (14).

5. The anti-sway maintenance hanger according to claim 2, characterized in that: A cross bar (24) is sleeved on the side wall of the mounting plate (22), and the cross bar (24) is movably connected to a limit block (26).

6. The anti-sway maintenance hanger according to claim 2, characterized in that: The reciprocating screw rod (23) is transmission-connected to the rotating shaft (21) via a sleeved belt (25).

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