Cable fixing device for wind generating set

Abstract

The utility model discloses a cable fixing device for a wind generating set, which comprises an outer fixing ring and an inner fixing ring, the outer fixing ring is formed by butting and combining a first semicircular ring and a second semicircular ring, the inner fixing ring is formed by butting and combining a third semicircular ring and a fourth semicircular ring, and the inner fixing ring is arranged in the outer fixing ring. The outer walls of the third semicircular ring and the fourth semicircular ring are provided with first bayonets for accommodating cables, and the inner walls of the first semicircular ring and the second semicircular ring are provided with second bayonets corresponding to the first bayonets. According to the cable fixing device for the wind generating set, the cable fixing device can be conveniently placed in the center of a plurality of cables, the installation efficiency is improved, meanwhile, single-person operation can be achieved through the fixing screw, the cable fixing device can adapt to the cables with different diameters through additionally arranged bayonets of various specifications, and the cable fixing device can further adapt to the cables with different diameters by additionally arranging rubber gaskets.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing, in particular to a cable fixing device for a wind power generator set. Background Art

[0002] As the power of wind turbines continues to increase, the number of cables in the tower of wind turbines has also increased accordingly. When the wind turbine yaws and changes its pitch due to changes in wind direction, the cables in the naturally drooping part of the tower center will swing back and forth and hit the tower platform and guide ring, causing the cables to twist and pull, and there will be a certain amount of friction. Over time, the cable skin will be damaged by impact and friction; for towers with elevators, the elevator guardrails will also be knocked loose, posing a safety hazard. At the same time, the cable voltage of large wind turbines above MW level is thousands of volts. If there is a problem with the cable, the loss will be huge.

[0003] Publication No.: CN217281952U discloses a cable fixing device for a wind turbine generator set, with multiple sets of bayonet holes, which can simultaneously fix the cables in the multiple sets of bayonet holes, and is easy to operate. However, in actual use, due to the small gap between the cables, the whole nesting plate is not convenient to be placed in the center of multiple cables, which affects the installation efficiency; at the same time, when dealing with cables with different diameters, it is difficult to achieve effective fixing through the arc extrusion plate. Utility Model Content

[0004] In order to solve the above defects, the utility model provides a cable fixing device for a wind turbine generator set, which facilitates the installation of the fixing device and improves the fixing efficiency of the cable.

[0005] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is a cable fixing device for a wind turbine generator set, comprising an outer fixing ring and an inner fixing ring, the outer fixing ring is formed by a first semicircular ring and a second semicircular ring butted together, the inner fixing ring is formed by a third semicircular ring and a fourth semicircular ring butted together, the inner fixing ring is arranged inside the outer fixing ring, the outer walls of the third semicircular ring and the fourth semicircular ring are provided with a first bayonet for accommodating cables, the inner walls of the first semicircular ring and the second semicircular ring are provided with a second bayonet for accommodating cables at a position corresponding to the first bayonet, the first bayonet and the second bayonet are provided in plurality and correspond one to one, the first bayonet and the second bayonet are provided with a variety of specifications, and the corresponding first bayonet and the second bayonet have the same specifications.

[0006] As a further optimization of this solution, the first semicircular ring and the second semicircular ring are connected and combined by a first fixing device.

[0007] Preferably, the first fixing device comprises a fixing plate, and the fixing plate is arranged on both sides of the outer surfaces of the first semicircular ring and the second semicircular ring, and a locking bolt is arranged between the two opposite fixing plates.

[0008] As a further optimization of this solution, the third semicircular ring and the fourth semicircular ring are connected and combined by a second fixing device.

[0009] Preferably, the second fixing device comprises a fixing groove and a fixing block, the fixing groove is arranged on one side of the third semicircular ring, the fixing block is arranged on one side of the fourth semicircular ring, and the fixing block is engaged with the fixing groove.

[0010] As a further optimization of this solution, fixing screws are provided between the first semicircular ring and the third semicircular ring and between the second semicircular ring and the fourth semicircular ring.

[0011] As a further optimization of this solution, the surfaces of the first semicircular ring, the second semicircular ring, the third semicircular ring and the fourth semicircular ring are all provided with through holes.

[0012] As a further optimization of this solution, the surfaces of the first bayonet and the second bayonet are provided with fixing grooves, and rubber gaskets are provided in the fixing grooves.

[0013] The utility model adopts the above technical scheme, and the beneficial effects include: the cable fixing device for the wind turbine generator set is formed by arranging the inner fixing ring into a third semicircular ring and a fourth semicircular ring which are connected and combined, so that the center of multiple cables can be easily placed, thereby improving the installation efficiency; at the same time, the fixing screw can be used to realize the installation with the first semicircular ring and the second semicircular ring; during the installation process, the fixing can be carried out in steps, and the operation can be realized by one person; after the initial fixing, the final connection is realized through the first fixing device, thereby improving the overall fixing effect; in addition, the various specifications of the bayonet holes can adapt to cables of different diameters, and can further adapt to cables of different diameters by adding rubber gaskets. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 This is a top view of the overall structure of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the second fixing device of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the fixing groove of the utility model.

[0018] In the figure: 1-first semicircular ring, 2-second semicircular ring, 3-third semicircular ring, 4-fourth semicircular ring, 5-first bayonet, 6-second bayonet, 7-fixing plate, 8-locking bolt, 9-fixing groove, 10-fixing block, 11-fixing screw, 12-through hole, 13-fixing groove, 14-rubber gasket. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] Example 1: Please refer to Figure 1-4 The utility model provides a technical solution: a cable fixing device for a wind turbine generator set, comprising an outer fixing ring and an inner fixing ring, wherein the outer fixing ring is formed by docking and combining a first semicircular ring 1 and a second semicircular ring 2, and the inner fixing ring is formed by docking and combining a third semicircular ring 3 and a fourth semicircular ring 4, the inner fixing ring is arranged in the outer fixing ring, and the outer walls of the third semicircular ring 3 and the fourth semicircular ring 4 are provided with a first bayonet 5 for accommodating cables, and the inner walls of the first semicircular ring 1 and the second semicircular ring 2 are provided with a second bayonet 6 for accommodating cables at a position corresponding to the first bayonet 5, and the first bayonet 5 and the second bayonet 6 are provided with a plurality of and one-to-one correspondence, and the first bayonet 5 and the second bayonet 6 are provided with a plurality of specifications and the corresponding first bayonet 5 and the second bayonet 6 are of equal specifications, and by designing the outer fixing ring and the inner fixing ring to be docked and combined with two semicircular rings, the center of a plurality of cables can be placed as long as the spacing between the cables is greater than the wall thickness of the third semicircular ring 3 or the fourth semicircular ring 4, thereby improving the convenience of installation, and the first bayonet 5 and the second bayonet 6 of a plurality of specifications can realize the fixing of cables of different diameters.

[0021] The first semicircular ring 1 and the second semicircular ring 2 are docked and combined by a first fixing device. In this embodiment, the first fixing device includes a fixing plate 7, which is arranged on both sides of the outer surface of the first semicircular ring 1 and the second semicircular ring 2, and a locking bolt 8 is arranged between the two opposite fixing plates 7, wherein the fixing plate 7 and the first semicircular ring 1 and the second semicircular ring 2 are integrally processed, and the first semicircular ring 1 and the second semicircular ring 2 can be formed by injection molding of engineering plastics; in addition, one side of the first semicircular ring 1 and the second semicircular ring 2 can be designed to be hinged, and the other side adopts the structure of the fixing plate 7 to achieve the docking and combination of the first semicircular ring 1 and the second semicircular ring 2.

[0022] The third semicircular ring 3 and the fourth semicircular ring 4 are docked and assembled by a second fixing device. In this embodiment, the second fixing device includes a fixing groove 9 and a fixing block 10. The fixing block 10 is a T-shaped block. The fixing groove 9 is adapted to the fixing block 10. The fixing groove 9 is arranged on one side of the third semicircular ring 3, and the fixing block 10 is arranged on one side of the fourth semicircular ring 4. The fixing block 10 is clamped with the fixing groove 9. During installation, one end of the fixing block 10 is aligned with one side of the fixing groove 9 and inserted, and then the fixing block 10 is moved. The third semicircular ring 3 is flush with the top of the fourth semicircular ring 4 to complete the docking.

[0023] Fixed screws 11 are provided between the first semicircular ring 1 and the third semicircular ring 3 and between the second semicircular ring 2 and the fourth semicircular ring 4. This design facilitates independent installation by one person. During the installation process, the third semicircular ring 3 is first placed on one side of the cable, and then the first semicircular ring 1 is selected and placed in the corresponding position. The first semicircular ring 1 and the third semicircular ring 3 are pinched with one hand, and the fixing screw 11 is operated with the other hand to achieve connection, and the cable is clamped to achieve preliminary fixation. Then the fourth semicircular ring 4 is installed on one side of the third semicircular ring 3, and then the fourth semicircular ring 4 is installed according to the above steps. Finally, the two fixing plates 7 are fixed with the locking bolts 8 to achieve final clamping.

[0024] Through holes 12 are provided on the surfaces of the first semicircular ring 1 , the second semicircular ring 2 , the third semicircular ring 3 and the fourth semicircular ring 4 , which is beneficial to reducing the overall weight.

[0025] The surfaces of the first bayonet 5 and the second bayonet 6 are provided with fixing grooves 13 , and rubber gaskets 14 are arranged in the fixing grooves 13 . The thickness of the rubber gaskets 14 is different so as to adapt to cables with different diameters.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0027] The above description is only a preferred embodiment of the prior art type of fixing and installation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cable fixing device for a wind turbine generator set, comprising an outer fixing ring and an inner fixing ring, characterized in that: The outer fixing ring is formed by a first semicircular ring (1) and a second semicircular ring (2) connected together, and the inner fixing ring is formed by a third semicircular ring (3) and a fourth semicircular ring (4) connected together. The inner fixing ring is arranged inside the outer fixing ring. The outer walls of the third semicircular ring (3) and the fourth semicircular ring (4) are provided with a first bayonet (5) for accommodating a cable. The inner walls of the first semicircular ring (1) and the second semicircular ring (2) are provided with a second bayonet (6) for accommodating a cable at a position corresponding to the first bayonet (5). The first bayonet (5) and the second bayonet (6) are provided in plurality and correspond to each other. The first bayonet (5) and the second bayonet (6) are provided in a plurality of specifications, and the corresponding first bayonet (5) and the second bayonet (6) are of equal specifications.

2. A cable fixing device for a wind turbine generator set according to claim 1, characterized in that: The first semicircular ring (1) and the second semicircular ring (2) are butt-jointed and assembled via a first fixing device.

3. A cable fixing device for a wind turbine generator set according to claim 2, characterized in that: The first fixing device comprises a fixing plate (7) which is arranged on both sides of the outer surfaces of the first semicircular ring (1) and the second semicircular ring (2), and a locking bolt (8) is arranged between the two opposite fixing plates (7).

4. A cable fixing device for a wind turbine generator set according to claim 1, characterized in that: The third semicircular ring (3) and the fourth semicircular ring (4) are butt-jointed and assembled via a second fixing device.

5. A cable fixing device for a wind turbine generator set according to claim 4, characterized in that: The second fixing device comprises a fixing groove (9) and a fixing block (10); the fixing groove (9) is arranged on one side of the third semicircular ring (3); the fixing block (10) is arranged on one side of the fourth semicircular ring (4); and the fixing block (10) is snap-connected with the fixing groove (9).

6. A cable fixing device for a wind turbine generator set according to claim 1, characterized in that: A fixing screw (11) is provided between the first semicircular ring (1) and the third semicircular ring (3), and between the second semicircular ring (2) and the fourth semicircular ring (4).

7. A cable fixing device for a wind turbine generator set according to claim 1, characterized in that: Through holes (12) are provided on the surfaces of the first semicircular ring (1), the second semicircular ring (2), the third semicircular ring (3) and the fourth semicircular ring (4).

8. A cable fixing device for a wind turbine generator set according to claim 1, characterized in that: The surfaces of the first bayonet (5) and the second bayonet (6) are provided with fixing grooves (13), and rubber gaskets (14) are provided in the fixing grooves (13).

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