Oil leakage detection device for gear box of fan unit
By using an annular plate and a motor-driven monitoring camera in the gearbox oil leakage detection device of the fan unit, combined with the angle adjustment of the electric telescopic rod and the articulation mechanism, the problem of visual blind spots of the gearbox is solved, and efficient oil leakage detection is achieved.
Patent Information
- Application Number
- CN202421366497.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The oil leakage detection device of the existing fan unit gearbox has always been in a visual blind spot where the gearbox is far away from the detection camera, and cannot be observed and identified, resulting in poor detection results.
A fan unit gear box oil leakage detection device is designed, and a driving mechanism composed of an annular plate, an internal ring, a motor and a gear is used to drive the monitoring camera to rotate and realize the surround detection of the gear box. At the same time, through the electric telescopic rod and articulation mechanism, the horizontal height and pitch angle of the camera are adjusted to further improve the detection quality.
Through surround detection and angle adjustment, the shooting blind spots of the monitoring camera are reduced, the detection quality and efficiency are significantly improved, and the normal operation of the fan unit gearbox is ensured.
Smart Images

Figure CN222579492U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fans, in particular to an oil leakage detection device for a gear box of a fan unit. Background Art
[0002] In order to improve the safe operation and maintenance capabilities of wind turbine units, wind farm operators are constantly adopting emerging technologies such as big data and intelligent video imaging technology to detect gearbox oil leakage based on image color features. Normally, the color of the oil leakage area at the bottom of the gearbox is generally yellowish brown, and the gearbox oil leakage phenomenon is identified based on this color feature.
[0003] A fan unit gearbox oil leakage detection device is found through searching a Chinese patent announcement with announcement number CN214793644U, and its technical points are: it includes a mounting plate, a moving mechanism and a monitoring mechanism, the moving mechanism includes a driving motor, a fixed block, a threaded rod, a slider, a U-shaped plate, a limiting mechanism and a heat dissipation mechanism, the driving motor and the fixed block are both fixedly mounted on the mounting plate, a slide groove is provided on the top of the fixed block, and one end of the threaded rod is rotatably connected to one end of the slide groove.
[0004] In actual operation, it is found that the above scheme still has at least the following defects: the side of the gearbox away from the detection camera is always in the visual blind spot, which cannot be observed and identified, and the detection effect is poor. Therefore, we propose a fan unit gearbox oil leakage detection device to solve the above problem. Utility Model Content
[0005] 1. Technical issues to be resolved
[0006] In view of the deficiencies in the prior art, the utility model provides a fan unit gearbox oil leakage detection device, which solves the problem that the side of the gearbox away from the detection camera is always in a visual blind spot, making it impossible to observe and identify, resulting in poor detection effect.
[0007] (II) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind turbine unit gearbox oil leakage detection device, comprising a gearbox, a mounting box fixedly mounted on the gearbox, a monitoring camera arranged in the mounting box, a driving mechanism for controlling the rotation of the monitoring camera arranged in the mounting box, and an adjustment mechanism for regulating the shooting angle of the monitoring camera arranged on the driving mechanism.
[0009] Preferably, the driving mechanism includes an annular plate, an inner gear ring, a motor and a gear. The annular plate is rotatably mounted on the annular inner wall of the mounting box and is located below the gear box. The inner gear ring is fixedly mounted on the bottom of the annular plate. The motor is fixedly mounted on the bottom inner wall of the mounting box. The gear is fixedly sleeved on the output shaft end of the motor and meshes with the inner gear ring.
[0010] Preferably, an annular guide groove is provided on the annular inner wall of the installation box, and the annular outer wall of the annular plate is in sliding contact with the annular inner wall of the annular guide groove.
[0011] Preferably, the adjustment mechanism includes an electric telescopic rod, a mounting plate, a first articulated seat, a first articulated rod and a first articulated block, the electric telescopic rod is fixedly mounted on the top right side of the annular plate, the mounting plate is fixedly mounted on the output shaft end of the electric telescopic rod, the first articulated seat is fixedly mounted on the top of the mounting plate, the first articulated rod is rotatably mounted on the first articulated seat, the first articulated block is fixedly mounted on the first articulated rod, and the monitoring camera is fixedly mounted on the top of the first articulated block.
[0012] Preferably, the adjustment mechanism also includes a second articulated seat, a second articulated block, an electric push rod, a third articulated seat and a third articulated block. The second articulated seat is fixedly mounted on the top of the mounting plate and is located on the right side of the first articulated seat. The second articulated block is rotatably mounted on the second articulated seat through a pin rod. The electric push rod is fixedly mounted on the second articulated block. The third articulated seat is fixedly mounted on the bottom of the monitoring camera and is located on the right side of the first articulated block. The third articulated block is rotatably mounted on the third articulated seat, and the output shaft end of the electric push rod is fixedly connected to the third articulated block.
[0013] Preferably, a collecting bucket located below the gear box is fixedly mounted on the bottom inner wall of the installation box.
[0014] Preferably, an inspection opening is provided on the front side of the installation box, and an inspection door is detachably mounted on the inspection opening by bolts.
[0015] (III) Beneficial effects
[0016] The utility model provides a fan unit gearbox oil leakage detection device, which has the following beneficial effects:
[0017] (1) This wind turbine gearbox oil leakage detection device utilizes a driving mechanism composed of an annular plate, an inner gear ring, a motor and a gear combination. When the gearbox needs to be tested for oil leakage, the motor can be controlled to drive the annular plate and the monitoring camera to rotate, thereby performing a surround detection of the gearbox, reducing the blind spot of the monitoring camera and improving the detection quality.
[0018] (2) This wind turbine gearbox oil leakage detection device, by utilizing an adjustment mechanism composed of an electric telescopic rod, a mounting plate, a first hinge seat, a first hinge rod, a first hinge block, a second hinge seat, a second hinge block, an electric push rod, a third hinge seat and a third hinge block, can control the monitoring camera to adjust the horizontal height and pitch angle when detecting the gearbox, thereby further improving the quality of detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the main view of the utility model;
[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model in cross section;
[0022] Figure 4 for Figure 3 Enlarged schematic diagram of part A.
[0023] In the figure: 1. gear box; 2. mounting box; 3. monitoring camera; 4. annular plate; 5. inner gear ring; 6. motor; 7. gear; 8. annular guide groove; 9. electric telescopic rod; 10. mounting plate; 11. first hinge seat; 12. first hinge rod; 13. first hinge block; 14. second hinge seat; 15. second hinge block; 16. electric push rod; 17. third hinge seat; 18. third hinge block; 19. collecting bucket; 20. inspection door. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] like Figure 1-4 As shown, the utility model provides a technical solution: a wind turbine gearbox oil leakage detection device, comprising a gearbox 1, a mounting box 2 fixedly mounted on the gearbox 1, a monitoring camera 3 arranged in the mounting box 2, a driving mechanism for controlling the rotation of the monitoring camera 3 arranged in the mounting box 2, and an adjusting mechanism for regulating the shooting angle of the monitoring camera 3 arranged on the driving mechanism.
[0026] In this embodiment, a collecting bucket 19 located below the gear box 1 is fixedly installed on the bottom inner wall of the above-mentioned installation box 2. The collecting bucket 19 is used to collect leaked oil. An inspection port is opened on the front side of the installation box 2. An inspection door 20 is detachably installed on the inspection port by bolts. The collection bucket 19 can be easily cleaned and other components can be inspected through the inspection port.
[0027] In this embodiment, the above-mentioned adjustment mechanism includes an electric telescopic rod 9, a mounting plate 10, a first hinge seat 11, a first hinge rod 12 and a first hinge block 13. The electric telescopic rod 9 is fixedly mounted on the top right side of the annular plate 4. The horizontal height of the monitoring camera 3 can be adjusted by the electric telescopic rod 9. The mounting plate 10 is fixedly mounted on the output shaft end of the electric telescopic rod 9. The first hinge seat 11 is fixedly mounted on the top of the mounting plate 10. The first hinge rod 12 is rotatably mounted on the first hinge seat 11. The first hinge block 13 is fixedly mounted on the first hinge rod 12. The monitoring camera 3 is fixedly mounted on the top of the first hinge block 13. The adjustment mechanism also includes a second hinge seat 14, a second articulated block 15, an electric push rod 16, a third articulated seat 17 and a third articulated block 18. The second articulated seat 14 is fixedly mounted on the top of the mounting plate 10 and is located on the right side of the first articulated seat 11. The second articulated block 15 is rotatably mounted on the second articulated seat 14 through a pin rod. The electric push rod 16 is fixedly mounted on the second articulated block 15. The electric push rod 16 can be used to conveniently control the monitoring camera 3 to adjust the shooting angle. The third articulated seat 17 is fixedly mounted on the bottom of the monitoring camera 3 and is located on the right side of the first articulated block 13. The third articulated block 18 is rotatably mounted on the third articulated seat 17. The output shaft end of the electric push rod 16 is fixedly connected to the third articulated block 18.
[0028] In this embodiment, the above-mentioned driving mechanism includes an annular plate 4, an inner gear ring 5, a motor 6 and a gear 7. The annular plate 4 is rotatably mounted on the annular inner wall of the mounting box 2 and is located below the gear box 1. The inner gear ring 5 is fixedly mounted on the bottom of the annular plate 4. The motor 6 is fixedly mounted on the bottom inner wall of the mounting box 2. It should be noted that the motor 6 is a forward and reverse motor, which can drive the gear 7 to rotate. The gear 7 is fixedly sleeved on the output shaft end of the motor 6 and meshed with the inner gear ring 5. An annular guide groove 8 is opened on the annular inner wall of the mounting box 2, and the annular outer wall of the annular plate 4 is in sliding contact with the annular inner wall of the annular guide groove 8.
[0029] In this embodiment, a control box is installed in the backstage monitoring room, and a plurality of control buttons are arranged on the control box. The monitoring camera 3, the motor 6, the electric telescopic rod 9, and the electric push rod 16 are electrically connected to the power line inside the control box through wires respectively. The control buttons can be used to control the start and stop of the monitoring camera 3, the electric telescopic rod 9, and the electric push rod 16, and can also control the forward and reverse rotation of the motor 6.
[0030] Through the above structure, the wind turbine gearbox oil leakage detection device provided by the utility model can control the motor 6 to run when the gearbox 1 needs to be tested for oil leakage, drive the annular plate 4 and the monitoring camera 3 to rotate, and then perform a surround detection on the gearbox 1, reduce the shooting blind area of the monitoring camera 3, and improve the detection quality. It can also control the monitoring camera 3 to adjust the horizontal height and pitch angle when the gearbox 1 is detected, and further improve the detection quality. In specific use, when the gearbox needs to be tested for oil leakage, the operator in the background monitoring room controls the motor 6 to run, and the motor 6 drives the gear 7 to rotate. By utilizing the meshing rotation of the gear 7 and the inner ring 5, the annular plate 4 and the monitoring camera 3 are driven to rotate, and the gearbox 1 is surrounded. The detection is carried out, and the horizontal height of the monitoring camera 3 is raised as needed to improve the detection quality of the gearbox 1. The operator can also control the electric push rod 16 to retract or extend, and adjust the shooting angle of the monitoring camera 3, so as to facilitate the monitoring of the area above or below the line of sight, which greatly improves the oil leakage detection efficiency of the wind turbine gearbox and ensures the normal operation of the wind turbine gearbox.
[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope recorded in the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A fan unit gearbox oil leakage detection device, characterized in that: The invention comprises a gear box (1), a mounting box (2) being fixedly mounted on the gear box (1), a monitoring camera (3) being arranged in the mounting box (2), a driving mechanism for controlling the rotation of the monitoring camera (3) being arranged in the mounting box (2), and an adjusting mechanism for adjusting the shooting angle of the monitoring camera (3) being arranged on the driving mechanism.
2. The wind turbine gearbox oil leakage detection device according to claim 1, characterized in that: The driving mechanism comprises an annular plate (4), an inner gear ring (5), a motor (6) and a gear (7); the annular plate (4) is rotatably mounted on the annular inner wall of the mounting box (2) and is located below the gear box (1); the inner gear ring (5) is fixedly mounted on the bottom of the annular plate (4); the motor (6) is fixedly mounted on the bottom inner wall of the mounting box (2); and the gear (7) is fixedly sleeved on the output shaft end of the motor (6) and meshes with the inner gear ring (5).
3. The wind turbine gearbox oil leakage detection device according to claim 2, characterized in that: An annular guide groove (8) is provided on the annular inner wall of the installation box (2), and the annular outer wall of the annular plate (4) is in sliding contact with the annular inner wall of the annular guide groove (8).
4. The wind turbine gearbox oil leakage detection device according to claim 3, characterized in that: The adjustment mechanism comprises an electric telescopic rod (9), a mounting plate (10), a first hinge seat (11), a first hinge rod (12) and a first hinge block (13); the electric telescopic rod (9) is fixedly mounted on the top right side of the annular plate (4); the mounting plate (10) is fixedly mounted on the output shaft end of the electric telescopic rod (9); the first hinge seat (11) is fixedly mounted on the top of the mounting plate (10); the first hinge rod (12) is rotatably mounted on the first hinge seat (11); the first hinge block (13) is fixedly mounted on the first hinge rod (12); and the monitoring camera (3) is fixedly mounted on the top of the first hinge block (13).
5. The wind turbine gearbox oil leakage detection device according to claim 4, characterized in that: The adjustment mechanism also includes a second articulated seat (14), a second articulated block (15), an electric push rod (16), a third articulated seat (17) and a third articulated block (18), wherein the second articulated seat (14) is fixedly mounted on the top of the mounting plate (10) and is located on the right side of the first articulated seat (11), the second articulated block (15) is rotatably mounted on the second articulated seat (14) through a pin rod, the electric push rod (16) is fixedly mounted on the second articulated block (15), the third articulated seat (17) is fixedly mounted on the bottom of the monitoring camera (3) and is located on the right side of the first articulated block (13), the third articulated block (18) is rotatably mounted on the third articulated seat (17), and the output shaft end of the electric push rod (16) is fixedly connected to the third articulated block (18).
6. The wind turbine gearbox oil leakage detection device according to claim 1, characterized in that: A collecting bucket (19) located below the gear box (1) is fixedly mounted on the inner wall of the bottom of the mounting box (2).
7. The wind turbine gearbox oil leakage detection device according to claim 1, characterized in that: The front side of the installation box (2) is provided with an inspection opening, and an inspection door (20) is detachably mounted on the inspection opening via bolts.
Citation Information
Patent Citations
Oil leakage detection device for gear box of fan unit
CN214793644U