Hoisting equipment for operation and maintenance of wind turbine generator

Abstract

The utility model discloses hoisting equipment for operation and maintenance of a wind turbine generator, which comprises a hoisting frame for hoisting the wind turbine generator, comprising a base and a top seat which are parallel to each other, a fixing column perpendicular to the base and the corner position of the top seat, a hoisting lifting hydraulic cylinder penetrating through the top seat, and a lifting plate which is in sliding connection with the fixing column and is fixedly connected with the bottom end of the hoisting lifting hydraulic cylinder through a bolt; the suspension frame comprises a portal frame fixedly connected with the bottom surface of the lifting plate through bolts and a hoisting cross arm with the two ends connected with the portal frame in a welded mode. The lifting belt is attached to the outer side of a lifted wind turbine generator component, the supporting roller penetrates through the lifting belt, the two ends of the connecting steel arm are arranged on the outer side of the end of the supporting roller in a sleeving mode, the connecting steel column penetrates through the connecting steel arm and the supporting roller, and under the synergistic effect of the lifting belt and the supporting piece, the outer side of the bottom end of the wind turbine generator component is supported and fixed. The lifting belt and the supporting piece are of a split type structure, disassembly, assembly and operation are convenient.

Description

Technical Field

[0001] This utility model belongs to the technical field of wind turbine hoisting equipment, specifically relating to a hoisting device for wind turbine operation and maintenance. Background Technology

[0002] Wind turbines are large mechanical devices that convert wind energy into electrical energy and can connect the electrical energy to the power grid. During long-term use, wind turbine components may malfunction and need to be disassembled periodically for operation maintenance, inspection, and fault diagnosis. Wind turbine components have a certain weight and generally need to be hoisted by hoisting equipment for operation and maintenance. The authorized document with publication number CN213679427U discloses a wind turbine hoisting equipment. Using hoisting equipment to hoist wind turbine components for operation and maintenance is a routine operation.

[0003] When wind turbine components are hoisted for maintenance in indoor workshops, gantry cranes are usually used for lifting. During lifting, clamps are used to secure the wind turbine components before lifting. In the above operation, the process of clamping the wind turbine components is relatively cumbersome. The components may become loose or secure, requiring frequent tightening and loosening of the clamps. The operation is cumbersome and has shortcomings.

[0004] When lifting existing wind turbine components, there is a problem that there is no convenient hoisting device for securing the wind turbine components. To address this, this application proposes a hoisting device for wind turbine operation and maintenance. Utility Model Content

[0005] The purpose of this utility model is to provide a hoisting device for the operation and maintenance of wind turbine units, so as to solve the problem mentioned in the background art of the lack of a convenient hoisting device for fixing wind turbine unit components.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hoisting device for wind turbine operation and maintenance, comprising...

[0007] The hoisting frame for hoisting wind turbine B includes a base and a top that are parallel to each other, fixed columns at the corners of the base and the top, a hoisting hydraulic cylinder that penetrates the top, and a lifting plate that is slidably connected to the fixed columns and fixedly connected to the bottom of the hoisting hydraulic cylinder by bolts.

[0008] The suspension frame includes a gantry frame that is fixedly connected to the bottom surface of the lifting plate by bolts, a lifting cross arm that is welded to the gantry frame at both ends, and a lifting wire rope with its top end sleeved on the outside of the center of the lifting cross arm;

[0009] The hoisting assembly includes a hoisting sling integrally woven with the bottom end of the hoisting wire rope and a support component. The support component includes a support roller penetrating the bottom end of the hoisting sling, a connecting steel arm with both ends respectively sleeved on the outer side of the end of the support roller, and a connecting steel column penetrating the connecting steel arm and the support roller.

[0010] Preferably, the fixed column passes through the corner of the lifting plate, the lifting plate is parallel to the top seat, the gantry frame is perpendicular to the bottom surface of the lifting plate, the hoisting cross arm is perpendicular to the center of the top side of the gantry frame, and the hoisting cross arm is parallel to the lifting plate.

[0011] Preferably, the lifting wire rope and lifting belt are woven into an integral structure, and the lifting wire rope and lifting belt are in the shape of a wide mesh. The two ends of the lifting wire rope are respectively formed with sleeve holes for the support roller to pass through.

[0012] Preferably, both ends of the connecting steel arm are circular ring structures.

[0013] Preferably, both the end of the support roller and the annular end of the connecting steel arm are provided with column grooves for the connecting steel column to pass through, and the top of the columnar connecting steel column has a "T" shaped structure.

[0014] Preferably, a base plate is securely bolted to the bottom end of the gantry frame, a support platform is fixed to the surface of the base plate by bolts, and an adjustment seat is provided on the surface of the support platform.

[0015] Preferably, a motor cavity is formed between the base plate and the support platform. The base plate is located inside the motor cavity and a drive motor is fixed thereon. The output shaft of the drive motor passes through the support platform and is fixedly connected to the adjustment seat.

[0016] Preferably, a split limiting post runs through the connecting steel arm, and an insertion hole that mates with the bottom end of the limiting post is provided on the surface of the adjusting seat.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] In this invention, the lifting sling is attached to the outside of the wind turbine component B being lifted, the support roller passes through the lifting sling, and the two ends of the connecting steel arm are sleeved on the outside of the support roller ends. The connecting steel column passes through the connecting steel arm and the support roller, so that the bottom end of the wind turbine component B is supported and limited. Under the synergistic action of the lifting sling and the support components, the bottom outside of the wind turbine component B is supported and fixed. The lifting sling and the support components are of a split structure, which is convenient for disassembly and assembly, and easy to operate. When the lifting hydraulic cylinder is in operation, the vertical lifting of the lifting plate can be realized, which can lift and hoist the wind turbine component B, so that it is in a suspended state. Attached Figure Description

[0019] Figure 1This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0021] Figure 3 For the present utility model Figure 2 Enlarged structural diagram of section A in the middle;

[0022] Figure 4 This is a top view of the connecting steel arm of this utility model.

[0023] Figure 5 For the present utility model Figure 2 A side view of the middle gantry frame structure;

[0024] Figure 6 This is a cross-sectional structural diagram of the support platform of this utility model;

[0025] Figure 7 This is a top view of the support platform of this utility model.

[0026] In the diagram: 2. Lifting sling; 3. Gantry frame; 4. Base plate; 5. Support platform; 6. Adjustment seat; 7. Lifting boom; 8. Lifting wire rope; 10. Limiting column; 11. Base; 12. Fixed column; 13. Top seat; 14. Lifting hydraulic cylinder; 15. Lifting plate; 41. Drive motor; 61. Insertion hole; 91. Support roller; 92. Connecting steel arm; 93. Connecting steel column. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1

[0029] Please see Figures 1 to 4This utility model provides a technical solution: a hoisting device for wind turbine operation and maintenance, including a hoisting frame for hoisting wind turbine B, comprising a base 11 and a top base 13 that are parallel to each other, fixed columns 12 perpendicular to the corners of the base 11 and the top base 13, a hoisting lifting hydraulic cylinder 14 penetrating the top base 13, and a lifting plate 15 that is slidably connected to the fixed columns 12 and fixedly connected to the bottom end of the hoisting lifting hydraulic cylinder 14 by bolts. The fixed columns 12 limit the lifting plate 15, and the lifting plate 15 moves vertically up and down. 4 is a conventional hydraulic cylinder, the structure and principle of which are existing technologies and will not be described in detail in this application. When the lifting hydraulic cylinder 14 is in operation, it can achieve vertical lifting of the lifting plate 15, thereby lifting and hoisting the wind turbine unit B component to a suspended state. The suspension frame includes a gantry frame 3 fixedly connected to the bottom surface of the lifting plate 15 by bolts, a lifting crossarm 7 welded to the gantry frame 3 at both ends, and a lifting wire rope 8 with its top end sleeved on the outer side of the center of the lifting crossarm 7. The lifting wire rope 8 is made of twisted and woven wire rope. The specific diameter can be designed according to actual conditions. The gantry frame 3 and the lifting boom 7 are made of structurally stable and high-strength steel, and the gantry frame 3 and the lifting boom 7 support the lifting wire rope 8. The lifting assembly includes a lifting sling 2 integrally woven with the bottom end of the lifting wire rope 8 and a support component. The lifting sling 2 is made of twisted and woven wire rope, just like the lifting wire rope 8. The lifting sling 2 can be attached to the outside of the wind turbine B component being lifted. The support component includes a support roller 91 that passes through the bottom end of the lifting sling 2 and two ends respectively sleeved on the support roller. The connecting steel arm 92 on the outer side of the end of the cylinder 91, and the connecting steel column 93 passing through the connecting steel arm 92 and the support roller 91, with the support roller 91 passing through the lifting belt 2, the two ends of the connecting steel arm 92 being sleeved on the outer side of the end of the support roller 91, and the connecting steel column 93 passing through the connecting steel arm 92 and the support roller 91, so that the bottom end of the wind turbine B component is supported and limited. Under the synergistic action of the lifting belt 2 and the support component, the outer side of the bottom end of the wind turbine B component is supported and fixed. The lifting belt 2 and the support component are of a split structure, which is convenient for disassembly and assembly, and easy to operate.

[0030] In this embodiment, the fixed column 12 passes through the corner of the lifting plate 15. The lifting plate 15 is parallel to the top seat 13. The gantry 3 is perpendicular to the bottom surface of the lifting plate 15. The hoisting cross arm 7 is perpendicular to the center of the top side of the gantry 3. The hoisting cross arm 7 is parallel to the lifting plate 15. The hoisting cross arm 7 moves vertically in the same direction as the lifting plate 15. The gantry 3 and the hoisting cross arm 7 are made of structurally stable and high-strength steel. The gantry 3 and the hoisting cross arm 7 support the hoisting wire rope 8.

[0031] In this embodiment, the lifting wire rope 8 and the lifting belt 2 are woven into an integral structure. The lifting wire rope 8 and the lifting belt 2 have a wide mesh shape. The woven mesh lifting wire rope 8 and the lifting belt 2 have high strength and can stably lift the wind turbine B component. The two ends of the lifting wire rope 8 are respectively formed with sleeve holes for the support roller 91 to pass through. The support roller 91 passes through the sleeve holes of the lifting belt 2, so that the bottom end of the lifting belt 2 is stably supported.

[0032] In this embodiment, both ends of the connecting steel arm 92 are circular ring structures. The end of the connecting steel arm 92 can be sleeved on the outside of the end of the supporting roller 91. The end of the supporting roller 91 and the circular end of the connecting steel arm 92 are both provided with column grooves for the connecting steel column 93 to pass through. The top of the column-shaped connecting steel column 93 is a "T"-shaped structure. The connecting steel column 93 passes through the end of the supporting roller 91 and the connecting steel arm 92, so that the end of the supporting roller 91 and the connecting steel arm 92 are firmly connected, thereby fixing the periphery of the wind turbine component B.

[0033] In summary: the lifting sling 2 is attached to the outside of the wind turbine component B being lifted, the support roller 91 passes through the lifting sling 2, the two ends of the connecting steel arm 92 are sleeved on the outside of the end of the support roller 91, and the connecting steel column 93 passes through and connects the steel arm 92 and the support roller 91, so that the bottom end of the wind turbine component B is supported and limited. Under the synergistic action of the lifting sling 2 and the support components, the bottom end of the wind turbine component B is supported and fixed. The lifting sling 2 and the support components are of a split structure, which is convenient for disassembly and assembly and easy for operation. When the lifting hydraulic cylinder 14 is in operation, the lifting plate 15 can be vertically lifted and lowered, which can lift and suspend the wind turbine component B, so that it is in a suspended state.

[0034] Example 2

[0035] Please see Figures 1 to 7 This is the second embodiment of the present invention. Based on the previous embodiment, in order to increase the angle adjustment effect, a base plate 4 is firmly fixed to the bottom end of the gantry frame 3 by bolts. A support platform 5 is fixed to the surface of the base plate 4 by bolts. An adjustment seat 6 is provided on the surface of the support platform 5. The base plate 4, the support platform 5, and the adjustment seat 6 support the wind turbine component B. A motor cavity is formed between the base plate 4 and the support platform 5. The base plate 4 is located in the motor cavity and is fixed to the drive motor 41 by bolts. The output shaft of the drive motor 41 passes through the support platform 5 and is fixedly connected to the adjustment seat 6. When the drive motor 41 is running, the adjustment seat 6 can be rotated. A split limiting column 10 passes through the connecting steel arm 92. An insertion hole 61 that mates with the bottom end of the limiting column 10 is opened on the surface of the adjustment seat 6. The limiting column 10 passes through the bottom end of the connecting steel arm 92 and is embedded in the adjustment seat 6. When the adjustment seat 6 rotates, the limiting column 10 and the connecting steel arm 92 rotate, which can change the angle of the wind turbine component B within a certain angle range, making maintenance convenient.

[0036] In summary: The base plate 4, support platform 5, and adjusting seat 6 support the wind turbine component B. The limiting column 10 penetrates the bottom end of the connecting steel arm 92 and is embedded in the adjusting seat 6. When the running drive motor 41 drives the adjusting seat 6 to rotate, the limiting column 10 and the connecting steel arm 92 rotate, which can change the angle of the wind turbine component B within a certain angle range, making maintenance convenient.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hoisting device for wind turbine operation and maintenance, characterized in that: include The hoisting frame for hoisting wind turbine B includes a base (11) and a top seat (13) that are parallel to each other, a fixed column (12) that is perpendicular to the corner of the base (11) and the top seat (13), a hoisting hydraulic cylinder (14) that passes through the top seat (13), and a lifting plate (15) that is slidably connected to the fixed column (12) and fixedly connected to the bottom end of the hoisting hydraulic cylinder (14) by bolts. The suspension frame includes a gantry frame (3) that is fixedly connected to the bottom surface of the lifting plate (15) by bolts, a lifting cross arm (7) that is welded to the gantry frame (3) at both ends, and a lifting wire rope (8) that is sleeved on the outside of the center of the lifting cross arm (7) at the top. The hoisting assembly includes a hoisting sling (2) integrally woven with the bottom end of the hoisting wire rope (8) and a support member. The support member includes a support roller (91) that passes through the bottom end of the hoisting sling (2), a connecting steel arm (92) with both ends respectively sleeved on the outside of the end of the support roller (91), and a connecting steel column (93) that passes through the connecting steel arm (92) and the support roller (91).

2. The hoisting equipment for wind turbine operation and maintenance according to claim 1, characterized in that: The fixed column (12) passes through the corner of the lifting plate (15), the lifting plate (15) is parallel to the top seat (13), the gantry frame (3) is perpendicular to the bottom surface of the lifting plate (15), the hoisting cross arm (7) is perpendicular to the center of the top side of the gantry frame (3), and the hoisting cross arm (7) is parallel to the lifting plate (15).

3. The hoisting equipment for wind turbine operation and maintenance according to claim 1, characterized in that: The hoisting wire rope (8) and the hoisting belt (2) are woven into an integral structure. The hoisting wire rope (8) and the hoisting belt (2) are in the shape of a wide mesh. The two ends of the hoisting wire rope (8) are respectively formed with sleeve holes for the support roller (91) to pass through.

4. The hoisting equipment for wind turbine operation and maintenance according to claim 1, characterized in that: Both ends of the connecting steel arm (92) are circular ring structures.

5. The hoisting equipment for wind turbine operation and maintenance according to claim 1, characterized in that: The end of the support roller (91) and the annular end of the connecting steel arm (92) are both provided with column grooves for the connecting steel column (93) to pass through. The top of the columnar connecting steel column (93) has a "T" shaped structure.

6. The hoisting equipment for wind turbine operation and maintenance according to claim 1, characterized in that: A base plate (4) is fixedly attached to the bottom end of the gantry frame (3) by bolts. A support platform (5) is fixed to the surface of the base plate (4) by bolts. An adjustment seat (6) is provided on the surface of the support platform (5).

7. A hoisting device for wind turbine operation and maintenance according to claim 6, characterized in that: A motor cavity is formed between the base plate (4) and the support platform (5). The base plate (4) is located in the motor cavity and a drive motor (41) is fixed thereon by bolts. The output shaft of the drive motor (41) passes through the support platform (5) and is fixedly connected to the adjustment seat (6).

8. The hoisting equipment for wind turbine operation and maintenance according to claim 7, characterized in that: A split limiting post (10) runs through the connecting steel arm (92), and an insertion hole (61) that mates with the bottom end of the limiting post (10) is provided on the surface of the adjusting seat (6).

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