A device for preventing tooth breakage of a main gear box of a GE fan

Abstract

The utility model belongs to gear box field especially a GE fan main gear box broken tooth prevention device, it includes the gear box, base and protection mechanism installed on the GE fan, gear box is fixedly connected on the base, gear box is rotatably connected with the shaft no.

Description

Technical Field

[0001] This utility model relates to the field of gearbox technology, and in particular to a tooth breakage prevention device for the main gearbox of a GE wind turbine. Background Technology

[0002] With the continuous growth of global energy demand and the rapid development of renewable energy technologies, wind energy, as a clean and sustainable energy form, has been widely applied and promoted. Wind turbines (or simply wind turbines), as the core equipment for wind energy conversion, directly affect the economic and environmental benefits of wind farms through their performance and reliability. The wind turbine's main shaft, as a crucial component, undertakes the key functions of transmitting torque and supporting the impeller.

[0003] Existing wind turbines generally lack gearbox tooth breakage prevention mechanisms, which makes them prone to tooth breakage when the turbine is overloaded, affecting the service life of the equipment and requiring improvement.

[0004] Therefore, this application proposes a tooth breakage prevention device for GE wind turbine main gearbox to solve the problems in the background art.

[0005] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by proposing a tooth breakage prevention device for GE wind turbine main gearboxes.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A tooth breakage prevention device for the main gearbox of a GE wind turbine includes a gearbox, a base, and a protective mechanism installed on the GE wind turbine;

[0009] A gearbox is fixedly connected to the base. A rotating shaft 1 and a rotating shaft 2 are rotatably connected to the gearbox. Gear 1 and Gear 2 are fixedly connected to the rotating shaft 1 and rotating shaft 2, respectively. A protective mechanism is provided inside the gearbox. The protective mechanism is connected to the rotating shaft 1 and Gear 2. A control module is installed on one side of the gearbox. The protective mechanism is connected to the control module. A motor is fixedly installed on the base. A coupler is fixedly installed at one end of the motor. One end of the rotating shaft 1 is fixedly connected to the coupler.

[0010] The protective mechanism includes a temperature sensor, gear three, slide rail, U-shaped plate, threaded rod, worm gear, worm, and cutting-off motor. The temperature sensor is fixedly installed inside the gearbox. Through the coordinated design of the protective mechanism, gearbox, gear one, gear two, coupler, and control module, timely protection can be provided when the gearbox is overloaded or severely worn, preventing gear tooth breakage and improving the service life of the equipment.

[0011] Preferably, the temperature sensor is connected to the control module for real-time monitoring of the temperature inside the gearbox.

[0012] Preferably, four slide rails are fixedly connected inside the gearbox, and the same U-shaped plate is slidably connected on the four slide rails. The U-shaped plate is in contact with the inner wall of the gearbox and is used to drive the gear to move horizontally.

[0013] Preferably, a rotating shaft three is rotatably connected to the U-shaped plate, and a gear three is fixedly connected to the rotating shaft three. The gear three meshes with the gear one and the gear two, which facilitates the interruption of the transmission between the gear one and the gear two.

[0014] Preferably, a threaded rod is threadedly connected to one side of the U-shaped plate, and one end of the threaded rod is rotatably connected to the gearbox to drive the U-shaped plate to slide on the four slide rails.

[0015] Preferably, a worm gear is fixedly sleeved on one end of the threaded rod, and a worm is meshed on the worm gear. The worm is rotatably connected to the gearbox for transmission.

[0016] Preferably, a cutting-off motor is fixedly installed on one side of the gearbox, and the output end of the cutting-off motor is fixedly connected to one end of the worm gear for driving the worm gear in both forward and reverse directions.

[0017] Preferably, the cutting motor is connected to the control module, and the cutting motor is driven and controlled by a preset program in the control module.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] (1) The present invention provides a GE wind turbine main gearbox tooth breakage prevention device. Through the coordinated design of the protective mechanism, gearbox, gear one, gear two and control module, the temperature inside the gearbox can be monitored in real time. If the temperature rises abnormally, it may indicate that the gearbox has problems such as poor lubrication and increased wear. The device then controls the cutting-off motor to drive the worm to rotate on the gearbox and separates gear three from gear one and gear two, thereby achieving the purpose of cutting off the transmission and thus preventing the gear from breaking.

[0020] (2) A GE wind turbine main gearbox tooth breakage prevention device of the present invention, during the operation of the gearbox, when the wind force fluctuation generates a large impact and torsional vibration, causing the torque borne by the gearbox to exceed the set value, the coupler will automatically slip, ensuring that the gearbox and the motor are normally separated, thereby avoiding the gear from breaking due to overload. Attached Figure Description

[0021] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary. The structures, proportions, sizes, etc., shown in this specification are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance, and any modification of the structure, change of the proportional relationship, or adjustment of the size is not permitted.

[0022] Figure 1 This is a three-dimensional structural diagram of a tooth breakage prevention device for a GE wind turbine main gearbox proposed in this utility model;

[0023] Figure 2 This is a side view of a GE wind turbine main gearbox tooth breakage prevention device proposed in this utility model;

[0024] Figure 3 This is a schematic diagram of the GE wind turbine main gearbox tooth breakage prevention device proposed in this utility model;

[0025] Figure 4 This is a partial explosion diagram of a GE wind turbine main gearbox tooth breakage prevention device proposed in this utility model.

[0026] Explanation of reference numerals in the attached diagram: 1. Base; 2. Gearbox; 3. Shaft 1; 4. Shaft 2; 5. Gear 1; 6. Gear 2; 7. Slide rail; 8. U-shaped plate; 9. Shaft 3; 10. Gear 3; 11. Threaded rod; 12. Worm gear; 13. Worm; 14. Temperature sensor; 15. Cut-off motor; 16. Control module; 17. Motor; 18. Coupler. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] This utility model provides a tooth breakage prevention device for the main gearbox of a GE wind turbine, referring to... Figures 1-4 A GE wind turbine main gearbox tooth breakage prevention device includes a gearbox 2, a base 1, and a protective mechanism installed on a GE wind turbine.

[0029] A gearbox 2 is fixedly connected to the base 1. A rotating shaft 3 and a rotating shaft 4 are rotatably connected to the gearbox 2. Sealed bearings are fixedly fitted on both rotating shaft 3 and rotating shaft 4, and their outer walls are fixedly connected to the gearbox 2. Gear 5 and gear 6 are fixedly connected to rotating shaft 3 and rotating shaft 4, respectively. A protective mechanism is provided inside the gearbox 2 and is connected to gear 5 and gear 6. A control module 16 is installed on one side of the gearbox 2, and the protective mechanism is connected to the control module 16. A motor 17 is fixedly installed on the base 1. A coupler 18 is fixedly installed on one end of the motor 17, and one end of rotating shaft 3 is fixedly connected to the coupler 18.

[0030] The protective mechanism includes a temperature sensor 14, gear 3 10, slide rail 7, U-shaped plate 8, threaded rod 11, worm gear 12, worm 13, and cutting-off motor 15. The temperature sensor 14 is fixedly installed inside the gearbox 2. Through the coordinated design between the protective mechanism, gearbox 2, gear 1 5, gear 2 6, coupler 18, and control module 16, timely protection can be provided when the gearbox 2 is overloaded or severely worn, preventing gear tooth breakage and improving the service life of the equipment.

[0031] In this embodiment, the temperature sensor 14 is connected to the control module 16 and is used to monitor the temperature inside the gearbox 2 in real time.

[0032] In this embodiment, four slide rails 7 are fixedly connected inside the gearbox 2, and the same U-shaped plate 8 is slidably connected on the four slide rails 7. The U-shaped plate 8 is in contact with the inner wall of the gearbox 2 and is used for horizontal movement of the gear 10.

[0033] In this embodiment, a rotating shaft 9 is rotatably connected to the U-shaped plate 8, and a gear 10 is fixedly connected to the rotating shaft 9. The gear 10 meshes with gear 5 and gear 6, which facilitates the interruption of the transmission between gear 5 and gear 6.

[0034] In this embodiment, a threaded rod 11 is threadedly connected to one side of the U-shaped plate 8. One end of the threaded rod 11 is rotatably connected to the gearbox 2 and is used to drive the U-shaped plate 8 to slide on the four slide rails 7. One end of the threaded rod 11 is fixedly fitted with a sealed bearing and its outer wall is fixedly connected to the gearbox 2.

[0035] In this embodiment, a worm gear 12 is fixedly sleeved on one end of the threaded rod 11, and a worm 13 is meshed on the worm gear 12. The worm 13 is rotatably connected to the gearbox 2 for transmission. A sealed bearing is fixedly sleeved on the worm 13 and its outer wall is fixedly connected to the gearbox 2.

[0036] In this embodiment, a cutting-off motor 15 is fixedly installed on one side of the gearbox 2. The output end of the cutting-off motor 15 is fixedly connected to one end of the worm gear 13 for forward and reverse driving of the worm gear 13. The cutting-off motor 15 is a servo motor, which facilitates precise control of the distance the U-shaped plate 8 moves.

[0037] In this embodiment, the cut-off motor 15 is connected to the control module 16, and the cut-off motor 15 is driven and controlled by a preset program in the control module 16.

[0038] Working principle: When in use, first connect the power supply and drive the cut-off motor 15 through the preset program in the control module 16;

[0039] Temperature sensor 14 monitors the temperature inside gearbox 2 in real time and transmits the information to control module 16. Control module 16 analyzes and judges the information using a pre-set program and sends a command to cut-off motor 15. During this process, if the temperature rises abnormally, it may indicate problems such as poor lubrication or increased wear in the gearbox. In this case, control cut-off motor 15 drives worm gear 13 to rotate on gearbox 2. Simultaneously, worm gear 13 meshes with worm wheel 12, causing threaded rod 11 to rotate on gearbox 2 and engage with U-shaped plate 8. This causes U-shaped plate 8 to slide a certain distance on four slide rails 7. Through the transmission of shaft 3 9, U-shaped plate 8 drives gear 3 10 to move and disengage from gear 1 5 and gear 2 6, thus cutting off the transmission between gear 1 5 and gear 2 6 and preventing gear breakage. Simultaneously, control module 16 sends a notification to the backend terminal so that maintenance personnel can take timely measures.

[0040] During the operation of gearbox 2, when wind fluctuations generate large impacts and torsional vibrations, causing the torque borne by gearbox 2 to exceed the set value, the coupler 18 will automatically slip, ensuring that gearbox 2 and motor 17 are properly separated, thereby preventing gears from breaking due to overload.

[0041] Once the load returns to normal, it can be reset and maintain normal operation, thus extending its service life.

[0042] The technological advancements of this invention compared to existing technologies are: through the cooperation of various components, timely protection can be provided when the gearbox 2 is overloaded or severely worn, preventing gear tooth breakage and improving the service life of the equipment. Moreover, the structure is simple and more practical.

[0043] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A tooth breakage prevention device for a GE wind turbine main gearbox, characterized in that, Includes a gearbox (2), a base (1), and a protective mechanism installed on the GE wind turbine; A gearbox (2) is fixedly connected to the base (1). A rotating shaft (3) and a rotating shaft (4) are rotatably connected to the gearbox (2). A gear (5) and a gear (6) are fixedly connected to the rotating shaft (3) and the rotating shaft (4) respectively. A protective mechanism is provided inside the gearbox (2). The protective mechanism is connected to the gear (5) and the gear (6). A control module (16) is installed on one side of the gearbox (2). The protective mechanism is connected to the control module (16). A motor (17) is fixedly installed on the base (1). A coupler (18) is fixedly installed at one end of the motor (17). One end of the rotating shaft (3) is fixedly connected to the coupler (18). The protective mechanism includes a temperature sensor (14), a gear three (10), a slide rail (7), a U-shaped plate (8), a threaded rod (11), a worm gear (12), a worm (13), and a cut-off motor (15). The temperature sensor (14) is fixedly installed inside the gearbox (2).

2. The GE wind turbine main gearbox tooth breakage prevention device according to claim 1, characterized in that, The temperature sensor (14) is connected to the control module (16).

3. The GE wind turbine main gearbox tooth breakage prevention device according to claim 1, characterized in that, The gearbox (2) is fixedly connected with four slide rails (7), and the same U-shaped plate (8) is slidably connected on the four slide rails (7). The U-shaped plate (8) is in contact with the inner wall of the gearbox (2).

4. A tooth breakage prevention device for a GE wind turbine main gearbox according to claim 3, characterized in that, A rotating shaft three (9) is rotatably connected to the U-shaped plate (8), and a gear three (10) is fixedly connected to the rotating shaft three (9). The gear three (10) meshes with the gear one (5) and the gear two (6).

5. A tooth breakage prevention device for a GE wind turbine main gearbox according to claim 4, characterized in that, A threaded rod (11) is threadedly connected to one side of the U-shaped plate (8), and one end of the threaded rod (11) is rotatably connected to the gearbox (2).

6. A tooth breakage prevention device for a GE wind turbine main gearbox according to claim 5, characterized in that, One end of the threaded rod (11) is fixedly fitted with a worm gear (12), and a worm (13) is meshed on the worm gear (12). The worm (13) is rotatably connected to the gearbox (2).

7. A tooth breakage prevention device for a GE wind turbine main gearbox according to claim 6, characterized in that, A cut-off motor (15) is fixedly installed on one side of the gearbox (2), and the output end of the cut-off motor (15) is fixedly connected to one end of the worm (13).

8. A tooth breakage prevention device for a GE wind turbine main gearbox according to claim 7, characterized in that, The cut-off motor (15) is connected to the control module (16).

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