Auxiliary device for overhauling wind driven generator

Abstract

The auxiliary device comprises a first stand column, a second stand column of the same structure is arranged on the left side of the first stand column, a bottom plate is welded to the bottom end of the first stand column and the bottom end of the second stand column, universal wheels are arranged on the front side and the rear side of the bottom end of the bottom plate, and damper brakes are arranged on the universal wheels. Ejector rods are welded to the inner sides of the top ends of the first stand column and the second stand column, connecting columns are welded to the inner sides of the upper ends of the first stand column and the second stand column, the top ends of the connecting columns are connected to the ejector rods, and a lifting plate of a penetrating structure is arranged on the two connecting columns. The lifting device is arranged on the inner sides of the top ends of the two stand columns, the height of the lifting plate is adjusted by controlling a zipper, then the height of the blade is adjusted, the stability is high, the connecting columns on the two sides of the lifting plate achieve the lifting stability, meanwhile, the device can be pushed and moved according to requirements, and the practicability is high. The operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine repair, in particular to an auxiliary device for wind turbine repair. Background Art

[0002] Wind power generation converts the kinetic energy of wind into electrical energy.

[0003] As a clean and renewable energy, wind energy is gaining more and more attention from countries around the world. It has a huge reserve, with the global wind energy of about 2.74×10^9MW, of which 2×10^7MW is usable, which is 10 times greater than the total amount of water energy that can be developed and utilized on the earth.

[0004] The existing wind turbine blades are always on the ground during maintenance, but they need to be supported during maintenance to prevent the blades from falling and causing difficulties in welding. The existing blades are usually supported at the bottom during maintenance welding. This support method has poor stability and is prone to tipping over during welding, resulting in welding failure. Therefore, the present invention provides an auxiliary device for wind turbine maintenance to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide an auxiliary device for repairing a wind turbine generator, so as to solve the problem that the existing blades in the above-mentioned background technology are usually supported at the bottom during repair welding, and this support method has poor stability and is prone to tipping over during welding, thereby causing welding failure.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary device for repairing a wind turbine generator, comprising:

[0007] A first column, a second column with the same structure is disposed at the left side of the first column, a bottom plate is welded to the bottom ends of the first column and the second column, universal wheels are disposed at both the front and rear sides of the bottom end of the bottom plate, and brakes are disposed on the universal wheels;

[0008] A mandrel is welded on the inner side of the top end of the first column and the second column, a connecting column is welded on the inner side of the upper end of the first column and the second column, and the top end of the connecting column is connected to the mandrel, and a lifting plate with a through structure is provided on the two connecting columns, and a rope is provided at the center position of the bottom end of the lifting plate;

[0009] A lifting device is provided at the center position of the bottom end of the push rod, and the bottom end of the lifting device is connected to the lifting plate.

[0010] Preferably, as a preferred embodiment of the utility model, the lifting device includes a connecting chain, a lifting chain, a winding box and a zipper, the top of the winding box is connected to the top rod through the lifting chain, a connecting chain with a through structure is provided inside the winding box, and a zipper is provided on the bottom left side of the winding box.

[0011] Preferably, as a preferred embodiment of the present invention, the zipper drives the contraction and extension of the connecting chain.

[0012] Preferably, as a preferred embodiment of the present invention, both front and rear sides of the lower ends of the first column and the second column are welded to the base plate through reinforcement rods.

[0013] Preferably, as a preferred embodiment of the present invention, the interior of the connecting column is a solid structure.

[0014] Preferably, as a preferred embodiment of the present invention, a rotatably connected lock buckle is provided at the bottom end of the rope.

[0015] Preferably, as a preferred embodiment of the present invention, intervals are provided between the two end surfaces of the lifting plate and the inner end surfaces of the first column and the second column respectively.

[0016] Compared with the prior art, the beneficial effects of the utility model are: by providing a lifting device on the inner side of the top ends of the two columns, the height of the lifting plate can be adjusted by controlling the zipper, and then the height of the blades can be adjusted, which has high stability, and the connecting columns on both sides of the lifting plate play a role in the stability of the lifting. At the same time, the device can be pushed and moved according to needs, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a front view of the partial connection between the column and the lifting plate of the utility model.

[0019] In the figure: 1. first column; 2. second column; 3. bottom plate; 4. reinforcement rod; 5. universal wheel; 6. brake; 7. push rod; 8. connecting column; 9. lifting device; 91. connecting chain; 92. lifting chain; 93. winding box; 94. zipper; 10. lifting plate. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or a connection through an intermediate medium. It can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances. The meaning of "multiple" in the present utility model is two or more, and unless otherwise clearly and specifically limited, they all fall within the scope of protection of the present utility model.

[0023] Example 1: Figure 1-2 , the utility model provides a technical solution: including:

[0024] A first column 1, a second column 2 with the same structure is disposed at the left side of the first column 1, a bottom plate 3 is welded to the bottom ends of the first column 1 and the second column 2, universal wheels 5 are disposed at both the front and rear sides of the bottom end of the bottom plate 3, and a brake 6 is disposed on the universal wheel 5;

[0025] A top rod 7 is welded on the inner side of the top end of the first column 1 and the second column 2, and a connecting column 8 is welded on the inner side of the upper end of the first column 1 and the second column 2, and the top end of the connecting column 8 is connected to the top rod 7, and a lifting plate 10 with a through structure is provided on the two connecting columns 8, and a rope is provided at the center position of the bottom end of the lifting plate 10;

[0026] A lifting device 9 is provided at the center position of the bottom end of the top rod 7 , and the bottom end of the lifting device 9 is connected to the lifting plate 10 .

[0027] The front and rear sides of the lower ends of the first column 1 and the second column 2 are welded to the bottom plate 3 through reinforcement rods 4 .

[0028] The interior of the connecting column 8 is a solid structure.

[0029] A rotatably connected lock buckle is provided at the bottom end of the rope.

[0030] Spaces are provided between the two end surfaces of the lifting plate 10 and the inner end surfaces of the first column 1 and the second column 2 respectively.

[0031] In this embodiment, connecting columns with a through structure are provided at both ends of the lifting plate so that the lifting plate can be lifted and lowered stably.

[0032] Example 2: Figure 1 , the utility model provides a technical solution: including:

[0033] A first column 1, a second column 2 with the same structure is disposed at the left side of the first column 1, a bottom plate 3 is welded to the bottom ends of the first column 1 and the second column 2, universal wheels 5 are disposed at both the front and rear sides of the bottom end of the bottom plate 3, and a brake 6 is disposed on the universal wheel 5;

[0034] A top rod 7 is welded on the inner side of the top end of the first column 1 and the second column 2, and a connecting column 8 is welded on the inner side of the upper end of the first column 1 and the second column 2, and the top end of the connecting column 8 is connected to the top rod 7, and a lifting plate 10 with a through structure is provided on the two connecting columns 8, and a rope is provided at the center position of the bottom end of the lifting plate 10;

[0035] A lifting device 9 is provided at the center position of the bottom end of the top rod 7 , and the bottom end of the lifting device 9 is connected to the lifting plate 10 .

[0036] The lifting device 9 includes a connecting chain 91, a lifting chain 92, a winding box 93 and a zipper 94. The top of the winding box 93 is connected to the top rod 7 through the lifting chain 92. The connecting chain 91 with a through structure is provided inside the winding box 93. A zipper 94 is provided at the bottom left side of the winding box 93.

[0037] The zipper 94 drives the connecting chain 91 to contract and extend.

[0038] In this embodiment, the lifting plate is lifted and lowered by controlling the zipper, thereby facilitating height adjustment of the blades.

[0039] Working principle:

[0040] When in use, the device is moved to the required position, the universal wheel 5 and the Xining are fixed by the brake 6, and then the lifting plate 10 is lowered and adjusted, the blades are fixed by ropes, and then the zipper 94 is controlled according to the height requirements of the blades, so that the lifting plate 10 can be raised and lowered, and the lifting plate 10 can be stably raised and lowered by the provided connecting column 8.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A wind turbine maintenance auxiliary device, characterized in that: include: A first column (1), a second column (2) of the same structure is arranged at the left side of the first column (1), a bottom plate (3) is welded at the bottom ends of the first column (1) and the second column (2), universal wheels (5) are arranged at the front and rear sides of the bottom end of the bottom plate (3), and a brake (6) is arranged on the universal wheel (5); A top rod (7) is welded on the inner side of the top end of the first column (1) and the second column (2); a connecting column (8) is welded on the inner side of the upper end of each of the first column (1) and the second column (2); and the top end of the connecting column (8) is connected to the top rod (7); a lifting plate (10) in a through structure is provided on the two connecting columns (8), and a rope is provided at the center position of the bottom end of the lifting plate (10); A lifting device (9) is provided at the center position of the bottom end of the top rod (7), and the bottom end of the lifting device (9) is connected to a lifting plate (10).

2. The auxiliary device for maintenance of a wind turbine generator according to claim 1, characterized in that: The lifting device (9) comprises a connecting chain (91), a lifting chain (92), a winding box (93) and a zipper (94); the top of the winding box (93) is connected to the top rod (7) through the lifting chain (92); a connecting chain (91) with a through structure is provided inside the winding box (93); and a zipper (94) is provided at the bottom of the left side of the winding box (93).

3. The auxiliary device for maintenance of a wind turbine generator according to claim 2, characterized in that: The zipper (94) drives the connection chain (91) to contract and extend.

4. The auxiliary device for maintenance of a wind turbine generator according to claim 1, characterized in that: The front and rear sides of the lower ends of the first column (1) and the second column (2) are welded to the bottom plate (3) via reinforcing rods (4).

5. The auxiliary device for maintenance of a wind turbine generator according to claim 1, characterized in that: The interior of the connecting column (8) is a solid structure.

6. The auxiliary device for maintenance of a wind turbine generator according to claim 1, characterized in that: The bottom end of the rope is provided with a lock buckle for rotation connection.

7. The auxiliary device for maintenance of a wind turbine generator according to claim 1, characterized in that: Spacers are provided between the two end surfaces of the lifting plate (10) and the inner end surfaces of the first column (1) and the second column (2), respectively.

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