A wind turbine gearbox lubrication device

Abstract

The utility model discloses a kind of wind turbine gear box lubricating devices, it includes: base, the top of the base is fixedly connected with gear box, the side of the gear box is fixedly installed with servo motor, the output end of the servo motor is fixedly connected with screw rod through shaft coupling, the inner wall of the gear box is fixedly connected with guide rod, the outer wall of the screw rod and guide rod is movably connected with sliding block, the side of the sliding block is fixedly connected with spray pipe, the bottom of the spray pipe is provided with spray head, the bottom side of the gear box is communicated circulation pipeline, the other end of the circulation pipeline is connected infusion pump, the bottom of the infusion pump is connected conveying hose, and the conveying hose is communicated with spray pipe, the inside of the gear box is provided with gear, the rotation of screw rod can be driven by servo motor, and then the movement of sliding block and spray pipe can be driven, so as to facilitate the spraying position of spray head to be adjusted, the spraying blind area to gear is reduced, and the lubrication effect of gear is improved.

Description

Technical Field

[0001] This utility model relates to the field of gear lubrication technology, and in particular to a lubrication device for a wind turbine gearbox. Background Technology

[0002] A gearbox, also known as a transmission or gear set, is a core mechanical power transmission device. Through internally meshing gear sets, it adjusts and converts the input speed and torque, changes the direction of power transmission, and ultimately outputs the appropriate power to the actuator to meet the power parameter requirements of the mechanical system under different operating conditions.

[0003] Patent application number "202021878304.5" entitled "A Wind Turbine Gearbox Lubrication Device" includes a gearbox and a lubrication mechanism. Multiple sets of wind turbine gears are installed inside the gearbox. A collection groove is set at the bottom of the gearbox, and a perforated plate is installed in the collection groove. A cover is installed at the top of the gearbox. The lubrication mechanism includes a lubricant storage tank, a filter tank, a liquid pump, and a circulation pump. The device has a simple structure, is easy to operate, and can achieve uniform lubrication of the gears inside the gearbox, effectively ensuring the normal operation of the wind turbine.

[0004] However, the device has the following problems when in use: the nozzle position is fixed and can only spray lubricating oil on fixed positions. The surface of gears is relatively complex, and blind spots can easily appear, which will affect the lubrication effect of the gears. At the same time, the device does not have a filter for lubricating oil. After circulation, the lubricating oil is very easy to be contaminated with impurities such as iron filings, which can easily cause the nozzle to become clogged. Utility Model Content

[0005] The purpose of this utility model is to provide a lubrication device for a wind turbine gearbox, which solves the problems of the existing device having a fixed nozzle position, which can only spray lubricating oil to a fixed position, while the surface of the gear is relatively complex, which can easily lead to blind spots in the spraying, thus affecting the lubrication effect of the gear. In addition, the device does not have a filter for the lubricating oil, and the circulating lubricating oil is very easy to be contaminated with impurities such as iron filings, which can easily cause nozzle blockage.

[0006] To achieve the above objectives, a wind turbine gearbox lubrication device is provided, comprising: a base, a gearbox fixedly connected to the top of the base, a servo motor fixedly mounted on one side of the gearbox, a lead screw fixedly connected to the output end of the servo motor via a coupling, a guide rod fixedly connected to the inner wall of the gearbox, a slider movably connected to the outer wall of the lead screw and the guide rod, a spray pipe fixedly connected to one side of the slider, a nozzle provided at the bottom of the spray pipe, a circulation pipe connected to one side of the bottom of the gearbox, an infusion pump connected to the other end of the circulation pipe, a delivery hose connected to the bottom of the infusion pump, and the delivery hose communicating with the spray pipe; gears are provided inside the gearbox to facilitate the movement of the slider and the spray pipe, thereby facilitating the adjustment of the spray position of the nozzle, reducing blind spots in the gear spraying, and improving the gear lubrication effect.

[0007] The gearbox has a mounting groove on its side, and a filter screen is movably connected inside the mounting groove. A handle is fixedly connected to one side of the filter screen, and a movable hole is opened on one side of the filter screen. A spring is fixedly connected inside the movable hole, and a positioning screw is fixedly connected to the other end of the spring. A lever is fixedly connected to the outer wall of the positioning screw, which facilitates the installation and removal of the filter screen, and thus facilitates the cleaning of the filter screen.

[0008] According to the aforementioned wind turbine gearbox lubrication device, a screw hole is provided at the center of the side of the slider. The inner wall of the screw hole and the outer wall of the lead screw are both provided with threads. The screw hole and the lead screw are engaged with each other through the threads, which facilitates the movement of the slider and thus facilitates the adjustment of the spraying position.

[0009] According to the aforementioned wind turbine gearbox lubrication device, a guide hole is provided on the side of the slider, and the slider is slidably connected to the outer wall of the guide rod through the guide hole, which facilitates the guidance and positioning of the slider.

[0010] According to the aforementioned wind turbine gearbox lubrication device, a rotating shaft seat is fixedly installed on the inner wall of the gearbox, and one end of the lead screw is rotatably connected to the rotating shaft seat to facilitate the rotation of the lead screw.

[0011] According to the aforementioned wind turbine gearbox lubrication device, the shape and size of the filter screen are matched with the shape and size of the mounting groove, and the filter screen is slidably connected to the inner wall of the mounting groove, which facilitates the installation of the filter screen.

[0012] According to the aforementioned wind turbine gearbox lubrication device, the inner wall of the mounting groove is provided with a positioning hole, and the shape and size of the positioning screw are matched with the shape and size of the positioning hole. The positioning screw is movably connected to the positioning hole under the action of a spring, which facilitates the fixing of the filter screen.

[0013] According to the aforementioned wind turbine gearbox lubrication device, a groove is provided on one side of the filter screen, and the groove is connected to a movable hole. The lever is slidably connected to the inner wall of the groove, which facilitates the lever's movement and thus facilitates the retraction of the positioning screw.

[0014] According to the aforementioned wind turbine gearbox lubrication device, the outer wall of the positioning screw is provided with threads, and the positioning screw cooperates with the limiting nut through the threads to facilitate the limiting of the positioning screw.

[0015] The above-mentioned solution has the following beneficial effects:

[0016] 1. The wind turbine gearbox lubrication device uses a servo motor installed on one side of the gearbox. The servo motor drives the rotation of the lead screw, which in turn drives the movement of the slider and spray pipe, thereby moving the spray head. This facilitates the adjustment of the spray position of the spray head, reduces blind spots in the gear spraying, and improves the lubrication effect of the gear. At the same time, excess lubricating oil on the gear can drip to the bottom of the gearbox and be re-transported to the spray head through circulation pipes and a liquid pump, realizing the recycling of lubricating oil and saving costs.

[0017] 2. The wind turbine gearbox lubrication device has an installation slot inside the gearbox, and a filter screen is installed in the installation slot. The filter screen can filter the circulating lubricating oil, leaving impurities in the lubricating oil on the filter screen to prevent them from clogging the nozzle. The filter screen is easy to install and remove, which facilitates subsequent cleaning of the filter screen.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0020] Figure 1 This is a three-dimensional structural diagram of a wind turbine gearbox lubrication device according to the present invention;

[0021] Figure 2 This is a schematic diagram of the internal structure of a wind turbine gearbox lubrication device according to the present invention;

[0022] Figure 3 This is a three-dimensional structural diagram of the slider of a wind turbine gearbox lubrication device according to the present invention;

[0023] Figure 4 This utility model relates to a lubrication device for a wind turbine gearbox. Figure 1 Enlarged view of point A;

[0024] Figure 5This is a three-dimensional structural diagram of the filter screen of a wind turbine gearbox lubrication device according to the present invention;

[0025] Figure 6 This is a schematic diagram of the internal structure of the movable hole in a wind turbine gearbox lubrication device according to this utility model.

[0026] Legend:

[0027] 1. Base; 2. Gearbox; 3. Servo motor; 4. Lead screw; 5. Rotating shaft seat; 6. Guide rod; 7. Slider; 8. Screw hole; 9. Guide hole; 10. Spray pipe; 11. Spray head; 12. Circulation pipe; 13. Infusion pump; 14. Delivery hose; 15. Gear; 16. Mounting groove; 17. Filter screen; 18. Handle; 19. Movable hole; 20. Spring; 21. Positioning screw; 22. Toggle lever; 23. Toggle groove; 24. Limit nut. Detailed Implementation

[0028] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0029] Reference Figure 1-6 This utility model discloses a wind turbine gearbox lubrication device, comprising: a base 1, a gearbox 2 fixedly connected to the top of the base 1, a servo motor 3 fixedly mounted on one side of the gearbox 2, a lead screw 4 fixedly connected to the output end of the servo motor 3 via a coupling, a guide rod 6 fixedly connected to the inner wall of the gearbox 2, a slider 7 movably connected to the outer wall of the lead screw 4 and the guide rod 6, a spray pipe 10 fixedly connected to one side of the slider 7, a nozzle 11 provided at the bottom of the spray pipe 10, a circulation pipe 12 connected to one side of the bottom of the gearbox 2, an infusion pump 13 connected to the other end of the circulation pipe 12, a delivery hose 14 connected to the bottom of the infusion pump 13, and the delivery hose 14 connected to the spray pipe 10, and a gear 15 provided inside the gearbox 2, which can drive the lead screw 4 to rotate via the servo motor 3, thereby driving the slider 7 on its outer wall to move, thus facilitating the adjustment of the spray position of the nozzle 11 and improving the lubrication effect on the gear 15;

[0030] The gearbox 2 has a mounting groove 16 on its side. A filter screen 17 is movably connected inside the mounting groove 16. A handle 18 is fixedly connected to one side of the filter screen 17. A movable hole 19 is opened on one side of the filter screen 17. A spring 20 is fixedly connected inside the movable hole 19. A positioning screw 21 is fixedly connected to the other end of the spring 20. A lever 22 is fixedly connected to the outer wall of the positioning screw 21. The filter screen 17 is easy to install and remove, which facilitates the subsequent cleaning of the filter screen 17.

[0031] A screw hole 8 is provided at the center of the side of the slider 7. The inner wall of the screw hole 8 and the outer wall of the lead screw 4 are both provided with threads. The screw hole 8 and the lead screw 4 are engaged with each other through threads. When the lead screw 4 rotates, it can drive the slider 7 on its outer wall to move, thereby facilitating the adjustment of the spraying position of the nozzle 11.

[0032] The slider 7 has a guide hole 9 on its side. The slider 7 is slidably connected to the outer wall of the guide rod 6 through the guide hole 9. The guide rod 6 can guide and limit the slider 7.

[0033] A rotating shaft seat 5 is fixedly installed on the inner wall of the gearbox 2, and one end of the lead screw 4 is rotatably connected to the rotating shaft seat 5 to facilitate the rotation of the lead screw 4.

[0034] The shape and size of the filter screen 17 match the shape and size of the mounting groove 16. The filter screen 17 is slidably connected to the inner wall of the mounting groove 16, which facilitates the installation of the filter screen 17.

[0035] The inner wall of the mounting groove 16 is provided with a positioning hole. The shape and size of the positioning screw 21 are matched with the shape and size of the positioning hole. The positioning screw 21 is movably connected to the positioning hole under the action of the spring 20. By inserting the positioning screw 21 into the positioning hole, the position of the filter screen 17 in the mounting groove 16 can be fixed.

[0036] A groove 23 is provided on one side of the filter screen 17, and the groove 23 is connected to the movable hole 19. The lever 22 is slidably connected to the inner wall of the groove 23. When the lever 22 is moved to the left, the positioning screw 21 can be driven to retract into the movable hole 19, thereby facilitating the subsequent installation and removal of the filter screen 17.

[0037] The outer wall of the positioning screw 21 is provided with threads. The positioning screw 21 cooperates with the limiting nut 24 through the threads. The limiting nut 24 can limit the extended part of the positioning screw 21 to prevent it from retracting, thereby improving the stability of the filter screen 17 installation.

[0038] Working principle: When applying lubricating oil to gear 15, gear 15 meshes and rotates under the action of motor. At the same time, the lubricating oil at the bottom of gearbox 2 can be delivered to spray pipe 10 and nozzle 11 through circulation pipe 12 and delivery hose 14 via infusion pump 13. The nozzle 11 sprays lubricating oil onto the surface of gear 15. Meanwhile, the servo motor 3 drives the rotation of lead screw 4, which in turn drives the reciprocating motion of slider 7 on its outer wall. This allows the spraying position of nozzle 11 to be adjusted, reducing the blind area of ​​spraying gear 15 and improving the lubrication effect of gear 15.

[0039] Excess lubricating oil on gear 15 can drip to the bottom of gearbox 2 and be filtered by filter screen 17, leaving impurities inside the filter screen 17 to prevent clogging of nozzle 11. When it is necessary to clean the filter screen 17, remove the limiting nut 24 on one side and move the lever 22 to the left. This will cause the positioning screw 21 to retract into the movable hole 19 and compress the spring 20, thereby disconnecting the positioning screw 21 from the positioning hole. This will release the limiting of the filter screen 17, allowing the filter screen 17 to be pulled out for cleaning. After cleaning, move the lever 22 to the left again to retract the positioning screw 21 into the movable hole 19 and insert the filter screen 17 into the mounting slot 16. When the position of the positioning screw 21 corresponds to the positioning hole, release the lever 22. The positioning screw 21 will then be inserted into the positioning hole under the elastic force of the spring 20. The limiting nut 24 will limit the protruding part of the positioning screw 21, thus completing the installation of the filter screen 17.

[0040] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A wind turbine gearbox lubrication device, comprising: The base (1) is characterized in that a gearbox (2) is fixedly connected to the top of the base (1), a servo motor (3) is fixedly installed on one side of the gearbox (2), a lead screw (4) is fixedly connected to the output end of the servo motor (3) through a coupling, a guide rod (6) is fixedly connected to the inner wall of the gearbox (2), a slider (7) is movably connected to the outer wall of the lead screw (4) and the guide rod (6), a spray pipe (10) is fixedly connected to one side of the slider (7), a nozzle (11) is provided at the bottom of the spray pipe (10), a circulation pipe (12) is connected to one side of the bottom of the gearbox (2), an infusion pump (13) is connected to the other end of the circulation pipe (12), a delivery hose (14) is connected to the bottom of the infusion pump (13), and the delivery hose (14) is connected to the spray pipe (10), and a gear (15) is provided inside the gearbox (2). The gearbox (2) has a mounting groove (16) on its side. A filter screen (17) is movably connected inside the mounting groove (16). A handle (18) is fixedly connected to one side of the filter screen (17). A movable hole (19) is opened on one side of the filter screen (17). A spring (20) is fixedly connected inside the movable hole (19). A positioning screw (21) is fixedly connected to the other end of the spring (20). A lever (22) is fixedly connected to the outer wall of the positioning screw (21).

2. The wind turbine gearbox lubrication device according to claim 1, characterized in that, The slider (7) has a screw hole (8) at the center of its side. The inner wall of the screw hole (8) and the outer wall of the lead screw (4) are both threaded. The screw hole (8) and the lead screw (4) are engaged with each other by the threads.

3. The wind turbine gearbox lubrication device according to claim 1, characterized in that, The slider (7) has a guide hole (9) on its side, and the slider (7) is slidably connected to the outer wall of the guide rod (6) through the guide hole (9).

4. The wind turbine gearbox lubrication device according to claim 1, characterized in that, A rotating shaft seat (5) is fixedly installed on the inner wall of the gearbox (2), and one end of the lead screw (4) is rotatably connected to the rotating shaft seat (5).

5. A wind turbine gearbox lubrication device according to claim 1, characterized in that, The shape and size of the filter screen (17) are matched with the shape and size of the mounting groove (16), and the filter screen (17) is slidably connected to the inner wall of the mounting groove (16).

6. A wind turbine gearbox lubrication device according to claim 1, characterized in that, The inner wall of the mounting groove (16) is provided with a positioning hole. The shape and size of the positioning screw (21) are matched with the shape and size of the positioning hole. The positioning screw (21) is movably connected to the positioning hole under the action of the spring (20).

7. A wind turbine gearbox lubrication device according to claim 1, characterized in that, The filter screen (17) has a groove (23) on one side, and the groove (23) is connected to the movable hole (19). The lever (22) is slidably connected to the inner wall of the groove (23).

8. A wind turbine gearbox lubrication device according to claim 1, characterized in that, The outer wall of the positioning screw (21) is provided with threads, and the positioning screw (21) is engaged with the limiting nut (24) through the threads.

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