Tool clamp for hub of wind driven generator

Abstract

The utility model discloses a work fixture for a hub of a wind driven generator. The work fixture comprises a workbench, the bottom plate is arranged on the working table; the first mounting bracket is arranged at the left part of the upper side of the bottom plate, the first mounting bracket comprises a first mounting plate, a second mounting plate is arranged above the first mounting plate, a first supporting seat is arranged at the lower end of the second mounting plate, and second supporting seats are oppositely arranged on two sides of the second mounting plate; a third supporting seat is arranged at the upper end of the second mounting plate; and the second mounting support is arranged on the right portion of the upper side of the bottom plate, the second mounting support comprises a third mounting plate, a fourth mounting plate is obliquely arranged above the third mounting plate, a positioning column is arranged on one side of the fourth mounting plate, and a pressing block is arranged on the upper surface of the positioning column in the circumferential direction. The machining quality of the hub can be improved, and therefore the overall performance and reliability of the wind driven generator are improved.

Description

Technical Field

[0001] The utility model relates to the field of processing tooling for wind turbine hubs, and specifically to a tooling fixture for wind turbine hubs. Background Technique

[0002] The wind turbine hub is one of its key components. It connects the blades and the tower and bears the rotational torque from the wind. Therefore, the quality of the hub directly affects the performance and service life of the wind turbine. Since the hub is usually large in volume, complex in shape, and requires high-precision machining, it is a great challenge to fix and machine it during the manufacturing process. Content of the Utility Model

[0003] The utility model provides a tooling fixture for a wind turbine hub, which can improve the machining quality of the hub, thereby enhancing the overall performance and reliability of the wind turbine.

[0004] To achieve the above object, the utility model provides the following technical solution: A tooling fixture for a wind turbine hub, comprising a workbench; a bottom plate disposed on the upper side of the workbench; a first mounting bracket disposed on the upper left part of the bottom plate, the first mounting bracket comprising a first mounting plate horizontally disposed on the upper side of the bottom plate, a second mounting plate is obliquely disposed above the first mounting plate, a first support seat is disposed at the lower end of the second mounting plate, second support seats are oppositely disposed on both sides of the second mounting plate, and a third support seat is disposed at the upper end of the second mounting plate; a second mounting bracket disposed on the upper right part of the bottom plate, the second mounting bracket comprising a third mounting plate horizontally disposed on the upper side of the bottom plate, a fourth mounting plate is obliquely disposed above the third mounting plate, a positioning post extending into the hole of the wind turbine hub is disposed on one side of the fourth mounting plate, a plurality of pressing blocks are detachably disposed on the upper surface of the positioning post along the circumferential direction, a long strip-shaped slot is disposed on the pressing block, and the pressing block is connected to the positioning post by a screw passing through the slot, so that the hub can be very accurately positioned and fixed, thereby reducing the error during the machining process.

[0005] Preferably, a rough positioning block is disposed between the first mounting bracket and the second mounting bracket, and the upper part of the rough positioning block matches the outer wall contour of the wind turbine hub, and the rough positioning block plays an auxiliary supporting role.

[0006] Preferably, the included angle between the first mounting plate and the second mounting plate is 63°, providing a stable support structure, ensuring that the hub does not shift during the machining process, and improving the machining quality.

[0007] Preferably, the included angle between the third mounting plate and the fourth mounting plate is 31°, providing a stable support structure, ensuring that the hub does not shift during processing, and improving the processing quality.

[0008] Preferably, the first mounting plate and the second mounting plate are connected by first connecting rods arranged side by side, with a stable structure.

[0009] Preferably, the third mounting plate and the fourth mounting plate are connected by second connecting rods arranged side by side, with a stable structure.

[0010] Preferably, a notch is provided on the upper surface of the second support seat, with a simple structure.

[0011] Preferably, long strip-shaped mounting grooves are arranged side by side on both the first mounting plate and the third mounting plate, facilitating adjustment.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] The structure is simple, simplifying the loading, unloading and adjustment processes of the hub, reducing the non-processing time, being able to more accurately fix and position the hub, reducing vibration and displacement during processing, thereby improving the processing accuracy, and improving the processing quality of the hub, thus enhancing the overall performance and reliability of the wind turbine. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 is a three-dimensional structure diagram of the present utility model in the state of placing the product;

[0016] Figure 3 is a three-dimensional structure diagram of the first mounting bracket of the present utility model;

[0017] Figure 4 is a three-dimensional structure diagram of the first mounting bracket of the present utility model from different angles;

[0018] Figure 5 is a three-dimensional structure diagram of the second mounting bracket of the present utility model;

[0019] Figure 6 is a three-dimensional structure diagram of the second mounting bracket of the present utility model from different angles.

[0020] REFERENCE MARKS:

[0021] 1. Workbench, 2. Bottom plate, 3. First mounting bracket, 31. First mounting plate, 311. Mounting groove, 32. Second mounting plate, 33. First support seat, 34. Second support seat, 341. Avoidance notch, 35. Third support seat, 36. First connecting rod, 4. Second mounting bracket, 41. Third mounting plate, 42. Fourth mounting plate, 43. Positioning post, 44. Pressing block, 441. Groove, 45. Second connecting rod, 5. Coarse positioning block, 6. Wind turbine hub. Detailed implementation manner

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] As Figure 1-6 shown, in order to improve the processing quality of the hub and thus enhance the overall performance and reliability of the wind turbine, the present invention provides the following technical solutions: A fixture for a wind turbine hub, including a workbench 1; a bottom plate 2, which is arranged on the upper side of the workbench 1; a first mounting bracket 3, which is arranged on the upper left part of the bottom plate 2, and the first mounting bracket 3 includes a first mounting plate 31 horizontally arranged on the upper side of the bottom plate 2, a second mounting plate 32 is obliquely arranged above the first mounting plate 31, a first support seat 33 is arranged at the lower end of the second mounting plate 32, second support seats 34 are oppositely arranged on both sides of the second mounting plate 32, and a third support seat 35 is arranged at the upper end of the second mounting plate 32; a second mounting bracket 4, which is arranged on the upper right part of the bottom plate 2, and the second mounting bracket 4 includes a third mounting plate 41 horizontally arranged on the upper side of the bottom plate 2, a fourth mounting plate 42 is obliquely arranged above the third mounting plate 41, a positioning post 43 extending into the hole of the wind turbine hub 6 is arranged on one side of the fourth mounting plate 42, a plurality of pressing blocks 44 are detachably arranged on the upper surface of the positioning post 43 along the circumferential direction, a long strip-shaped groove 441 is arranged on the pressing block 44, and the pressing block 44 is connected to the positioning post 43 through a screw passing through the groove 441, so that the hub can be very accurately positioned and fixed, thereby reducing the error in the processing process.

[0024] In this embodiment, as Figure 1 shown, a coarse positioning block 5 is arranged between the first mounting bracket 3 and the second mounting bracket 4, and the upper part of the coarse positioning block 5 matches the outer wall contour of the wind turbine hub 6, and the coarse positioning block 5 plays an auxiliary supporting role.

[0025] In this embodiment, as Figure 3 shown, the included angle between the first mounting plate 31 and the second mounting plate 32 is 63°, providing a stable support structure, ensuring that the hub will not shift during the processing, and improving the processing quality.

[0026] In this embodiment, as Figure 5 shown, the included angle between the third mounting plate 41 and the fourth mounting plate 42 is 31°, providing a stable support structure, ensuring that the hub does not shift during processing, and improving the processing quality.

[0027] In this embodiment, as Figure 3 shown, the first mounting plate 31 and the second mounting plate 32 are connected by first connecting rods 36 arranged side by side, and the structure is stable.

[0028] In this embodiment, as Figure 5 shown, the third mounting plate 41 and the fourth mounting plate 42 are connected by second connecting rods 45 arranged side by side, and the structure is stable.

[0029] In this embodiment, as Figure 4 shown, a notch 341 is provided on the upper surface of the second support base 34, and the structure is simple.

[0030] In this embodiment, as Figure 3 and Figure 5 shown, long strip-shaped mounting grooves 311 are arranged side by side on both the first mounting plate 31 and the third mounting plate 41, which is convenient for adjustment.

[0031] In this embodiment, as Figure 1-2 shown, the workbench 1 is made of high-strength steel to ensure that it does not displace or deform during processing. The wind turbine hub 6 to be processed is placed on the first mounting bracket 3 and the second mounting bracket 4, and auxiliary positioning is performed by the rough positioning block 5. The positioning post 43 on the fourth mounting plate 42 extends into the hole of the wind turbine hub 6, and by rotating the screw, the pressing block 44 is fixed on the positioning post 43, thereby clamping the wind turbine hub 6 to ensure that it does not move during processing. Then, start the processing equipment to start processing the wind turbine hub 6.

[0032] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If this specific posture changes, the directional indications will also change accordingly.

[0033] In addition, in the present utility model, descriptions such as "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0034] In the present utility model, unless otherwise clearly specified and defined, terms such as "connection" and "fixation" shall be understood in a broad sense. For example, "fixation" may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] In addition, the technical solutions between various embodiments of the present utility model can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

Claims

1. A tooling fixture for a wind turbine hub, characterized in that: include: Workbench (1); A bottom plate (2) arranged on the upper side of the workbench (1); a first mounting bracket (3), which is arranged on the upper left side of the bottom plate (2), the first mounting bracket (3) comprising a first mounting plate (31) arranged horizontally on the upper side of the bottom plate (2), a second mounting plate (32) being arranged obliquely above the first mounting plate (31), a first support seat (33) being arranged at the lower end of the second mounting plate (32), second support seats (34) being arranged oppositely on both sides of the second mounting plate (32), and a third support seat (35) being arranged at the upper end of the second mounting plate (32); A second mounting bracket (4) is arranged on the upper right part of the base plate (2), the second mounting bracket (4) comprising a third mounting plate (41) arranged horizontally on the upper side of the base plate (2), a fourth mounting plate (42) being arranged obliquely above the third mounting plate (41), a positioning column (43) extending into the hole of the wind turbine hub (6) being arranged on one side of the fourth mounting plate (42), a plurality of pressing blocks (44) being detachably arranged along the circumferential direction on the upper surface of the positioning column (43), a long strip-shaped slot (441) being arranged on the pressing block (44), and the pressing block (44) being connected to the positioning column (43) via a screw passing through the slot (441).

2. The fixture for the hub of a wind turbine generator according to claim 1, characterized in that: A coarse positioning block (5) is provided between the first mounting bracket (3) and the second mounting bracket (4), and the upper portion of the coarse positioning block (5) matches the outer wall profile of the wind turbine hub (6).

3. The fixture for the hub of a wind turbine generator according to claim 1, characterized in that: The included angle between the first mounting plate (31) and the second mounting plate (32) is 63°.

4. The fixture for the hub of a wind turbine generator according to claim 1, characterized in that: The included angle between the third mounting plate (41) and the fourth mounting plate (42) is 31°.

5. The fixture for the hub of a wind turbine generator according to claim 1, characterized in that: The first mounting plate (31) and the second mounting plate (32) are connected via a first connecting rod (36) arranged side by side.

6. The fixture for the hub of a wind turbine generator according to claim 1, characterized in that: The third mounting plate (41) and the fourth mounting plate (42) are connected via a second connecting rod (45) arranged side by side.

7. The fixture for the hub of a wind turbine generator according to claim 1, characterized in that: A notch (341) is provided on the upper surface of the second support seat (34).

8. The fixture for the hub of a wind turbine generator according to claim 1, characterized in that: The first mounting plate (31) and the third mounting plate (41) are both provided with long strip-shaped mounting grooves (311) arranged side by side.

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