Wind power hub bolt locking tool

Abstract

The utility model discloses a wind power hub bolt locking tool which comprises a bottom plate, an annular guide rail and an annular rack are arranged on the bottom plate, and a three-axis adjusting device is arranged on the bottom plate. The three-axis adjusting device is provided with a first base, a shaft part is arranged on the first base, a gear is arranged at the bottom of the shaft part and meshed with the annular rack, and a speed reducer is connected to the upper portion of the shaft part and connected with a circumferential adjusting assembly. A second base is arranged on the first base, a radial movable guide rail and a radial movable lead screw are arranged on the second base, the radial movable lead screw is connected with a radial adjusting assembly, a third base is arranged on the second base, and the third base is connected with the radial movable guide rail and the radial movable lead screw; the fourth base is arranged on the third base, a Z-axis movable guide rail and a Z-axis movable lead screw are arranged on the fourth base, the fifth base is installed on the fourth base, the fifth base is connected with the Z-axis movable guide rail and the Z-axis movable lead screw, and a stretcher is arranged on the fifth base. According to the utility model, the wind power hub bolt can be conveniently locked.

Description

TECHNICAL FIELD

[0001] The utility model relates to locking frock, especially wind power hub bolt locking frock. BACKGROUND

[0002] In the locking process of wind power hub bolt, the worker is difficult to operate because the hub is large in size and the bolt is on the inclined surface which is not perpendicular to the ground, and the worker is extremely easy to be tired and low in efficiency because of working on the vertical surface and manually holding the stretcher, and other auxiliary equipment cannot greatly improve. SUMMARY

[0003] The utility model discloses a wind power hub bolt locking frock which is convenient for locking wind power hub bolt.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a wind power hub bolt locking frock, characterized by comprising a bottom plate, a plurality of mounting holes are arranged on the bottom plate, an annular guide rail and an annular rack are arranged on the inner side and the outer side of the bottom plate respectively, a three-axis adjusting device is arranged on the bottom plate;

[0005] The three-axis adjusting device is provided with a first base connected with the annular guide rail through a first base sliding part, a shaft part is arranged on the first base, a gear is arranged at the bottom of the shaft part, the gear is engaged with the annular rack, a speed reducer is connected with the upper part of the shaft part, and the speed reducer is connected with a circumferential adjusting assembly;

[0006] A second base is arranged on the first base, a radial movable guide rail and a radial movable lead screw are arranged on the second base, the radial movable lead screw is connected with a radial adjusting assembly, a third base is arranged on the second base, and the third base is connected with the radial movable guide rail through a third base sliding part, and the third base is connected with the radial movable lead screw;

[0007] A fourth base is arranged on the third base, a Z-axis movable guide rail and a Z-axis movable lead screw are arranged on the fourth base, the Z-axis movable lead screw is connected with a Z-axis adjusting assembly, a fifth base is mounted on the fourth base, and the fifth base is connected with the Z-axis movable guide rail through a fifth base sliding part, the fifth base is connected with the Z-axis movable lead screw, and a stretcher is arranged on the fifth base.

[0008] Further, a plurality of partition blocks are arranged between the annular guide rail and the annular rack.

[0009] Further, the three-axis adjusting device is 8.

[0010] Compared with the prior art, the utility model has the following beneficial effects: in use, the frock is hoisted on the hub mounting surface and fixed through the screw holes on the hub, so that the locking of the wind power hub bolt is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a first direction perspective view of the wind turbine hub bolt locking tool.

[0012] Figure 2 is a second direction perspective view of the wind turbine hub bolt locking tool.

[0013] Figure 3 is a first direction perspective view of the upper three-axis adjustment device of the wind turbine hub bolt locking tool.

[0014] Figure 4 is a second direction perspective view of the upper three-axis adjustment device of the wind turbine hub bolt locking tool.

[0015] Figure 5 is a third direction perspective view of the upper three-axis adjustment device of the wind turbine hub bolt locking tool.

[0016] Figure 6 is a first direction perspective view of the three-axis adjustment device.

[0017] Figure 7 is a second direction perspective view of the three-axis adjustment device.

[0018] Figure 8 is a third direction perspective view of the three-axis adjustment device.

[0019] Figure 9 is a structure diagram of the circumferential adjustment assembly, with some structures omitted.

[0020] Figure 10 is a structure diagram of the radial adjustment assembly, with some structures omitted.

[0021] Figure 11 is a structure diagram of the second locking block.

[0022] Figure 12 is a structure diagram of the Z-axis adjustment assembly, with some structures omitted.

[0023] Figure 13 is a structure diagram of the third locking block. DETAILED DESCRIPTION

[0024] Referring to Figures 1 to 13 , a wind turbine hub bolt locking tool includes a bottom plate 11, a plurality of mounting holes are arranged on the bottom plate 11 (when in use, the tool is hoisted on the hub mounting surface and fixed through the screw holes on the hub, cooperating with the mounting holes and bolts), an annular guide rail 12 and an annular rack 13 are arranged on the inner side and the outer side of the bottom plate 11, respectively, and a three-axis adjustment device is arranged on the bottom plate 11.

[0025] The three-axis adjustment device has a first base 21, which is connected to an annular guide rail 12 via a first base sliding part 22. A shaft part 23 is provided on the first base 21, and a gear 24 is provided at the bottom of the shaft part 23. The gear 24 meshes with an annular rack 13. A reducer 25 (refer to the prior art) is connected to the upper part of the shaft part 23, and the reducer 25 is connected to a circumferential adjustment component 26.

[0026] The circumferential adjustment assembly 26 includes a first housing 261, within which a first transverse rotating shaft 262 for connecting a reducer is disposed. A first transverse bevel gear 263 is disposed on the first transverse rotating shaft 262. A first vertical rotating shaft 264 is disposed within the first housing 261, with a first vertical bevel gear 265 disposed on the first vertical rotating shaft 264. The first transverse bevel gear 263 and the first vertical bevel gear 265 mesh. A first locking block 266 is disposed on the first housing 261 and located at the first vertical rotating shaft. A first locking rod 267 is disposed on the first locking block 266. A first handwheel 268 is disposed at the top of the first vertical rotating shaft. Rotating the first handwheel drives the gear on the shaft to rotate via the reducer. The first vertical rotating shaft can be locked by the first locking rod and the first locking block. The above is only one example; the circumferential adjustment assembly 26 can also refer to existing technologies.

[0027] The tensioner of the triaxial adjustment device can be moved circumferentially by means of the circumferential adjustment component 26.

[0028] A second base 31 is provided on the first base 21. A radially movable guide rail 32 and a radially movable lead screw 33 are provided on the second base 31. The radially movable lead screw 33 is connected to a radial adjustment assembly 34. A third base 41 is arranged on the second base 31 and is connected to the radially movable guide rail 32 through a third base sliding part 42. The third base 41 is connected to the radially movable lead screw 33.

[0029] The radial adjustment assembly 34 includes a second housing 341. A second transverse rotating shaft 342 for connecting a radially movable lead screw is disposed within the second housing 341. A second transverse bevel gear 343 is disposed on the second transverse rotating shaft 342. A second vertical rotating shaft 344 is disposed within the second housing 341. A second vertical bevel gear 345 is disposed on the second vertical rotating shaft 344. The second transverse bevel gear 343 and the second vertical bevel gear 345 mesh. A second locking block 346 is disposed on the second housing 341 and located at the second vertical rotating shaft 344. A second locking rod 347 is disposed on the second locking block 346. A second handwheel 348 is disposed at the top of the second vertical rotating shaft 344. Rotating the second handwheel drives the third base to move via the radial lead screw. The second vertical rotating shaft can be locked by the second locking rod and the second locking block. The above is only one example; the radial adjustment assembly 34 can also refer to existing technologies.

[0030] Through the radial adjusting assembly, the stretcher of the three-axis adjusting device can be moved in the radial direction.

[0031] The fourth base 51 is arranged on the third base 41, and the Z-axis movable guide rail 52 and the Z-axis movable screw rod 53 are arranged on the fourth base 51, the Z-axis movable screw rod 53 is connected with the Z-axis adjusting assembly 54, the fifth base 61 is installed on the fourth base 51, and the fifth base 61 is connected with the Z-axis movable guide rail 52 through the fifth base sliding part 62, the fifth base 61 is connected with the Z-axis movable screw rod 53, and the stretcher 71 is arranged on the fifth base 61.

[0032] The Z-axis adjusting assembly 54 comprises a Z-axis adjusting base 541, a third rotating shaft 542 for connecting the Z-axis movable screw rod is arranged on the Z-axis adjusting base 541, a third locking block 543 is arranged on the Z-axis adjusting base 541 and located at the third rotating shaft 542, a third locking rod 544 is arranged on the third locking block 543, and a third hand wheel 545 is arranged at the top of the third rotating shaft 542. By rotating the third hand wheel, the fifth base can be driven to move through the Z-axis movable screw rod. The third rotating shaft can be locked through the third locking rod and the third locking block. The above is only an example, and the Z-axis adjusting assembly 54 can also refer to the prior art.

[0033] Through the Z-axis adjusting assembly, the stretcher of the three-axis adjusting device can be moved in the Z-axis direction.

[0034] A plurality of partition blocks 14 are arranged between the annular guide rail 12 and the annular rack 13. This design facilitates the installation and use of the guide rail and the rack.

[0035] In use, the tool is hoisted on the hub mounting surface and fixed through the screw holes on the hub, and the stretcher is used to conveniently lock the wind power hub bolt.

[0036] The driving assemblies (the circumferential adjusting assembly, the radial adjusting assembly and the Z-axis adjusting assembly) of the three-axis adjusting device where the stretcher is located all have self-locking functions, can be self-locked after being adjusted to the position, reduce the difficulty and physical expenditure of worker operation, improve the positioning accuracy of the stretcher, and provide a good working condition for the work of the stretcher. Eight or more than eight three-axis adjusting devices can be arranged on the tool at the same time, many people can work, and the work efficiency is improved.

[0037] The preferred embodiments of the utility model are described above, the protection scope of the utility model is not limited to the above-mentioned embodiments, and any technical scheme that belongs to the principle of the utility model belongs to the protection scope of the utility model. For those skilled in the art, some improvements are made without departing from the principle of the utility model, and these improvements should also be regarded as the protection scope of the utility model.

Claims

1. A tooling for locking bolts on wind turbine hubs, characterized in that, Includes a base plate (11), which has several mounting holes. The inner and outer sides of the base plate (11) are respectively provided with an annular guide rail (12) and an annular rack (13). The base plate (11) is provided with a three-axis adjustment device. The three-axis adjustment device has a first base (21), the first base (21) is connected to the annular guide rail (12) through the first base sliding part (22), the first base (21) is provided with a shaft part (23), the bottom of the shaft part (23) is provided with a gear (24), the gear (24) meshes with the annular rack (13), the upper part of the shaft part (23) is connected to a reducer (25), and the reducer (25) is connected to a circumferential adjustment component (26); A second base (31) is provided on the first base (21). A radial movable guide rail (32) and a radial movable screw (33) are provided on the second base (31). The radial movable screw (33) is connected to the radial adjustment assembly (34). A third base (41) is arranged on the second base (31). The third base (41) is connected to the radial movable guide rail (32) through the third base sliding part (42). The third base (41) is connected to the radial movable screw (33). The fourth base (51) is arranged on the third base (41). The fourth base (51) is provided with a Z-axis movable guide rail (52) and a Z-axis movable lead screw (53). The Z-axis movable lead screw (53) is connected to the Z-axis adjustment assembly (54). The fifth base (61) is installed on the fourth base (51). The fifth base (61) is connected to the Z-axis movable guide rail (52) through the fifth base sliding part (62). The fifth base (61) is connected to the Z-axis movable lead screw (53). A tensioner (71) is provided on the fifth base (61).

2. The wind turbine hub bolt locking fixture according to claim 1, characterized in that, Several spacers (14) are provided between the annular guide rail (12) and the annular rack (13).

3. The wind turbine hub bolt locking fixture according to claim 1, characterized in that, There are 8 three-axis adjustment devices.

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