Multi-head driving electric turning gear of wind turbine generator

Abstract

The utility model discloses a wind turbine generator multi-head driving electric turning gear which comprises an installation seat, a high-speed shaft is arranged in the installation seat, a fluted disc is arranged on the surface of the high-speed shaft and used as a brake disc of the high-speed shaft, a base is arranged on the side face of the installation seat, a threaded rod is arranged in the base, and the threaded rod is connected with the high-speed shaft. One end of the screw extends to the outside of the base and is provided with a driver, a sliding block is arranged on the surface of the screw, and a mounting frame is arranged on the surface of the sliding block. According to the utility model, the driver drives the screw rod to rotate, so that the sliding blocks in threaded connection with the screw rod can synchronously move in opposite directions, the driving gear is driven to be in contact with the fluted disc, the fluted disc is meshed with the driving gear, the motor drives the driving gear to rotate, the driving gear drives the fluted disc to rotate, and the purpose of turning is achieved; the large fluted disc can be driven to rotate through cooperation of the two sets of driving gears, and the driving difficulty is lowered.

Description

Technical Field

[0001] The utility model relates to the technical field of barring gears, in particular to a multi-head drive electric barring gear for a wind turbine generator set. Background Art

[0002] As a clean and renewable energy source, wind energy has been increasingly valued by people. Wind energy can be converted into electrical energy through a wind turbine generator set. The wind turbine generator set includes a tower, a nacelle, an impeller, a gearbox, and a generator. The tower is installed on the ground, the nacelle is fixedly installed at the top of the tower, the impeller is rotatably installed on the nacelle, and both the gearbox and the generator are installed inside the nacelle. Among them, the impeller includes a hub and three blades. The three blades are installed on the hub, and the hub is connected to the input end of the gearbox through a wind turbine shaft. The output end of the gearbox is connected to the generator through a generator shaft. The wind blows the impeller to rotate, and the impeller drives the generator to generate electricity through the gearbox.

[0003] Most of the existing barring mechanisms are driven in a single-drive mode. For large-scale units, a great deal of force is required during driving, which increases the driving difficulty. Therefore, a new technical solution is needed to solve this problem. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a multi-head drive electric barring gear for a wind turbine generator set, which solves the problem that most of the existing barring mechanisms are driven in a single-drive mode. For large-scale units, a great deal of force is required during driving, which increases the driving difficulty.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A multi-head drive electric barring gear for a wind turbine generator set, including: a mounting seat, a high-speed shaft is arranged inside the mounting seat, and a toothed disc is arranged on the surface of the high-speed shaft. The toothed disc is used as a brake disc for the high-speed shaft. A base is arranged on the side of the mounting seat, and a screw rod is arranged inside the base. One end of the screw rod extends to the outside of the base and is installed with a driver. A sliding block is arranged on the surface of the screw rod, and a mounting bracket is arranged on the surface of the sliding block. A driving gear is arranged inside the mounting bracket, and the driving gear is rotatably connected to the mounting bracket. One end of the driving gear extends to the outside of the mounting bracket and is installed with a motor. A support plate is arranged on the side of the sliding block, and the support plate is fixedly connected to the motor. The toothed disc and the driving gear are meshed with each other.

[0006] As a preferred embodiment of the utility model, limiting rods are arranged on both sides of the screw rod, and the limiting rods penetrate through the sliding block and are fixedly connected to the base.

[0007] As a preferred embodiment of the utility model, the screw rod is a bidirectional screw rod, and two groups of sliding blocks are arranged and are respectively threadedly connected to the forward thread and the reverse thread.

[0008] As a preferred embodiment of the present utility model, a connecting plate is provided on the surface of the toothed disc, and a mounting plate is provided on the surface of the connecting plate. A fixing bolt is provided inside the mounting plate, and the fixing bolt passes through the mounting plate and the toothed disc and extends to the other side to install a fixing nut.

[0009] As a preferred embodiment of the present utility model, a sliding groove is provided inside the base, and a rolling groove is provided inside the sliding block. A rolling ball is provided inside the rolling groove, and the rolling ball is located inside the sliding groove.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] In the present utility model, a high-speed shaft is provided inside the mounting seat, and a toothed disc is provided on the surface of the high-speed shaft. The toothed disc is used as a brake disc for the high-speed shaft. A base is provided on the side of the mounting seat, and a screw rod is provided inside the base. One end of the screw rod extends to the outside of the base and is installed with a driver. A sliding block is provided on the surface of the screw rod, and a mounting frame is provided on the surface of the sliding block. A driving gear is provided inside the mounting frame, and the driving gear is rotatably connected to the mounting frame. One end of the driving gear extends to the outside of the mounting frame and is installed with a motor. A support plate is provided on the side of the sliding block, and the support plate is fixedly connected to the motor. By driving the screw rod to rotate by the driver, the sliding block threadedly connected thereto can move synchronously in opposite directions, so as to drive the driving gear and the toothed disc to contact each other. At the same time, the toothed disc and the driving gear are meshed with each other. The motor drives the driving gear to rotate, so that the driving gear drives the toothed disc to rotate, achieving the purpose of barring the engine. The cooperation of the two groups of driving gears can drive the rotation of the large toothed disc, reducing the driving difficulty. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is a front view structure schematic diagram of the present utility model;

[0014] Figure 3 is a top view structure schematic diagram of the present utility model;

[0015] Figure 4 is a schematic diagram of the internal structure of the base of the present utility model.

[0016] In the figure: 1, mounting seat; 2, high-speed shaft; 3, toothed disc; 4, connecting plate; 5, mounting plate; 6, fixing bolt; 7, base; 8, driver; 9, sliding block; 10, support plate; 11, motor; 12, limiting rod; 13, screw rod; 14, mounting frame; 15, driving gear; 16, sliding groove; 17, rolling ball; 18, rolling groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, in combination with the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1-4 , the present utility model provides a technical solution: a multi-head drive electric barring gear for a wind turbine, including: a mounting base 1, inside which a high-speed shaft 2 is provided, and a toothed disc 3 is provided on the surface of the high-speed shaft 2. The toothed disc 3 is used as a brake disc for the high-speed shaft 2. A base 7 is provided on the side of the mounting base 1, and a screw rod 13 is provided inside the base 7. One end of the screw rod 13 extends to the outside of the base 7 and is installed with a driver 8. A sliding block 9 is provided on the surface of the screw rod 13, and a mounting bracket 14 is provided on the surface of the sliding block 9. A driving gear 15 is provided inside the mounting bracket 14, and the driving gear 15 is rotatably connected to the mounting bracket 14. One end of the driving gear 15 extends to the outside of the mounting bracket 14 and is installed with a motor 11. A support plate 10 is provided on the side of the sliding block 9, and the support plate 10 is fixedly connected to the motor 11. The toothed disc 3 and the driving gear 15 are meshed with each other. Inside the mounting base 1, a high-speed shaft 2 is provided, and a toothed disc 3 is provided on the surface of the high-speed shaft 2. The toothed disc 3 is used as a brake disc for the high-speed shaft 2. A base 7 is provided on the side of the mounting base 1, and a screw rod 13 is provided inside the base 7. One end of the screw rod 13 extends to the outside of the base 7 and is installed with a driver 8. A sliding block 9 is provided on the surface of the screw rod 13, and a mounting bracket 14 is provided on the surface of the sliding block 9. A driving gear 15 is provided inside the mounting bracket 14, and the driving gear 15 is rotatably connected to the mounting bracket 14. One end of the driving gear 15 extends to the outside of the mounting bracket 14 and is installed with a motor 11. A support plate 10 is provided on the side of the sliding block 9, and the support plate 10 is fixedly connected to the motor 11. By driving the screw rod 13 to rotate by the driver 8, the sliding block 9 threadedly connected thereto can move synchronously in opposite directions, so as to drive the driving gear 15 and the toothed disc 3 to come into contact with each other. At the same time, the toothed disc 3 and the driving gear 15 are meshed with each other. The motor 11 drives the driving gear 15 to rotate, so that the driving gear 15 drives the toothed disc 3 to rotate, achieving the purpose of barring gear. The cooperation of the two driving gears 15 can drive the rotation of the large toothed disc 3, reducing the driving difficulty.

[0019] Further improved, as Figure 3 shown: Limit rods 12 are provided on both sides of the screw rod 13, and the limit rods 12 penetrate through the sliding block 9 and are fixedly connected to the base 7. This setting ensures the stability of the movement of the sliding block 9.

[0020] Further improved, such as Figure 3 shown: The screw 13 is a bidirectional screw 13, and two sets of sliding blocks 9 are provided and are respectively threadedly connected between the forward thread and the reverse thread. This setting can drive the two sets of sliding blocks 9 to move synchronously in opposite directions, so that the two sets of driving gears 15 can be synchronously connected to the toothed disc 3.

[0021] Further improved, such as Figure 1 shown: A connecting plate 4 is provided on the surface of the toothed disc 3, and a mounting plate 5 is provided on the surface of the connecting plate 4. A fixing bolt 6 is provided inside the mounting plate 5, and the fixing bolt 6 penetrates through the mounting plate 5 and the toothed disc 3 and extends to the other side to install a fixing nut. This setting ensures the stability of the installation of the toothed disc 3.

[0022] Further improved, such as Figure 4 shown: A sliding groove 16 is provided inside the base 7, and a rolling groove 18 is provided inside the sliding block 9. A ball 17 is provided inside the rolling groove 18, and the ball 17 is located inside the sliding groove 16. This setting reduces friction and improves a certain supporting ability at the same time.

[0023] In the present utility model, a high-speed shaft 2 is provided inside the mounting seat 1, and a toothed disc 3 is provided on the surface of the high-speed shaft 2. The toothed disc 3 is used as a brake disc of the high-speed shaft 2. A base 7 is provided on the side of the mounting seat 1, and a screw 13 is provided inside the base 7. One end of the screw 13 extends to the outside of the base 7 and is installed with a driver 8. A sliding block 9 is provided on the surface of the screw 13, and a mounting bracket 14 is provided on the surface of the sliding block 9. A driving gear 15 is provided inside the mounting bracket 14, and the driving gear 15 is rotatably connected to the mounting bracket 14. One end of the driving gear 15 extends to the outside of the mounting bracket 14 and is installed with a motor 11. A support plate 10 is provided on the side of the sliding block 9, and the support plate 10 is fixedly connected to the motor 11. By driving the screw 13 to rotate through the driver 8, the sliding block 9 threadedly connected thereto can move synchronously in opposite directions, so as to drive the driving gear 15 to contact the toothed disc 3. At the same time, the toothed disc 3 and the driving gear 15 are meshed with each other. The motor 11 drives the driving gear 15 to rotate, so that the driving gear 15 drives the toothed disc 3 to rotate, achieving the purpose of barring the engine. The cooperation of the two sets of driving gears 15 can drive the rotation of the large toothed disc 3, reducing the driving difficulty.

[0024] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced by the present invention. Any reference signs in the claims should not be construed as limiting the claimed invention.

[0025] Finally, several points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, or the communication inside two components, and can be directly connected. The terms "upper", "lower", "left", "right", etc. are only used to indicate the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wind turbine multi-drive electric turning gear, characterized in that: include: A mounting seat (1), wherein a high-speed shaft (2) is arranged inside the mounting seat (1) and a toothed disc (3) is arranged on the surface of the high-speed shaft (2), and the toothed disc (3) is used as a brake disc of the high-speed shaft (2); a base (7) is arranged on the side of the mounting seat (1) and a screw rod (13) is arranged inside the base (7), one end of the screw rod (13) extends to the outside of the base (7) and is installed with a driver (8), and a sliding block (9) is arranged on the surface of the screw rod (13), and the sliding block (9) is arranged on the surface of the screw rod (13). ) is provided on the surface of the sliding block (9), a driving gear (15) is provided inside the mounting frame (14), and the driving gear (15) and the mounting frame (14) are rotatably connected, one end of the driving gear (15) extends to the outside of the mounting frame (14) and is installed with a motor (11), a supporting plate (10) is provided on the side of the sliding block (9), and the supporting plate (10) and the motor (11) are fixedly connected, and the toothed disc (3) and the driving gear (15) are meshed with each other.

2. The multi-head driven electric winch of a wind turbine according to claim 1, characterized in that: Limiting rods (12) are arranged on both sides of the screw rod (13), and the limiting rods (12) penetrate through the sliding block (9) and are fixedly connected to the base (7).

3. The multi-head driven electric winch of a wind turbine according to claim 1, characterized in that: The screw (13) is a bidirectional screw (13) and two groups of sliding blocks (9) are provided and are respectively threadedly connected with the forward thread and the reverse thread.

4. The multi-head driven electric winch of a wind turbine according to claim 3, characterized in that: A connecting plate (4) is provided on the surface of the toothed disc (3), and a mounting plate (5) is provided on the surface of the connecting plate (4); a fixing bolt (6) is provided inside the mounting plate (5), and the fixing bolt (6) passes through the mounting plate (5) and the toothed disc (3) and extends to the other side to install a fixing nut.

5. The multi-head driven electric winch of a wind turbine according to claim 1, characterized in that: The base (7) is provided with a sliding groove (16) inside and the sliding block (9) is provided with a rolling groove (18) inside. A ball (17) is provided inside the rolling groove (18) and the ball (17) is located inside the sliding groove (16).

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