Sealing ring defect detection device

Abstract

The utility model discloses a sealing ring defect detection device, which relates to the field of sealing ring detection and comprises a working table, a supporting plate is arranged in the middle of the working table, a supporting and positioning assembly is arranged in the middle of the top end of the supporting plate, a moisturizing bearing is arranged at the top end of the supporting and positioning assembly, and sealing rings are arranged at two ends of the moisturizing bearing. And camera supports are arranged at the two ends of the supporting and positioning assembly and located at the top end of the supporting plate, cameras are arranged at the top ends of the camera supports, position-adjustable support assemblies are arranged on the side edges of the camera supports, and illuminating lamps are arranged on the sides, close to the moisturizing bearings, of the position-adjustable support assemblies. According to the utility model, the camera and the illuminating lamp are matched for use, so that defect detection can be carried out on the sealing rings at the two ends of the moisturized bearing, the position of the illuminating lamp can be adjusted according to different detection requirements, the adaptability and the flexibility of the device are improved, and the correctness of detection is improved.

Description

Technical Field

[0001] The utility model relates to the field of sealing ring detection, in particular to a sealing ring defect detection device. Background Art

[0002] A water-lubricated bearing is a sliding bearing that uses water as a lubricating medium. Its basic structure usually includes the following parts:

[0003] Bearing body: usually made of metal material, used to support the overall structure of the bearing.

[0004] Bearing: The part installed inside the bearing body and in direct contact with the shaft, usually made of wear-resistant material.

[0005] Water film: A thin layer of liquid formed between the bearing and the shaft, which acts as a lubricant and reduces friction.

[0006] Sealing ring: Located at both ends of the bearing to prevent lubricating liquid leakage and impurities from entering.

[0007] Water-lubricated bearings have been widely used in the fields of shipbuilding, ocean, machinery, mining, metallurgy, national defense and military industry. Compared with traditional oil-lubricated bearings, water-lubricated bearings have the advantages of low cost, environmental protection, good safety, and easy maintenance. Flange-type rubber water-lubricated bearings are one of these bearings. They are usually composed of a metal brass outer wall and a rubber inner wall, combining the high load-bearing capacity of metal and the shock-absorbing and buffering performance of rubber.

[0008] After the sealing ring is assembled on the water-lubricated bearing, in order to ensure the normal operation and long-term reliability of the water-lubricated bearing, the sealing ring needs to be inspected for defects. In the prior art, for example, Chinese Patent 201921417608.9 discloses a visual camera defect detection device, which includes an external inspection station, an internal inspection station, a blowing mechanism, etc., which realizes the process of automated camera inspection of workpieces such as injection molded parts, sealing rings and bearing workpieces. However, the above-mentioned device still has the following shortcomings: the camera of the device lacks the use of a lighting lamp, so that the image quality collected by the camera may be affected by insufficient light; at the same time, the adjustable range of the lighting position in the existing defect detection is limited, and it cannot quickly adapt to changes in the demand for sealing ring defect detection.

[0009] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0010] In view of the problems in the related technology, the utility model proposes a sealing ring defect detection device to overcome the above technical problems existing in the existing related technology.

[0011] To this end, the specific technical solutions adopted by the utility model are as follows:

[0012] A sealing ring defect detection device includes a workbench. A support plate is arranged in the middle of the workbench. A support and positioning component is arranged in the middle of the top of the support plate. A water-lubricated bearing is arranged at the top of the support and positioning component. Sealing rings are arranged at both ends of the water-lubricated bearing. Camera brackets are arranged at both ends of the support and positioning component and on the top of the support plate. Cameras are arranged at the tops of the camera brackets. A position adjustable bracket component is arranged on the side of the camera bracket. A lighting lamp is arranged on the side of the position adjustable bracket component close to the water-lubricated bearing.

[0013] Further, in order to provide stable support and position determination for the water-lubricated bearing, the support and positioning component includes a support block arranged in the middle of the top of the support plate. An arc surface is arranged at the top of the support block. The water-lubricated bearing is arranged inside the arc surface. An arc-shaped soft pad is arranged between the arc surface and the circumferential side wall of the water-lubricated bearing. A soft plate is arranged on the side wall of the support block, and the soft plate contacts the flange surface of the water-lubricated bearing. A connecting plate is arranged at the bottom of the support block, and the connecting plate is connected to the support plate by bolts.

[0014] Further, in order to enable the lighting lamp to move in the horizontal and vertical directions and adjust the position to a suitable position, the position adjustable bracket component includes a C-shaped frame arranged on the side of the camera bracket. A chute is arranged on the side wall of the C-shaped frame. A lead screw is arranged vertically in the middle of the C-shaped frame. A slider is arranged in the chute. One end of the slider is connected to the lead screw. The other end of the slider is provided with a mounting plate. A lighting lamp is arranged on the side of the mounting plate close to the water-lubricated bearing. A groove is arranged at the bottom of the C-shaped frame, and a magnet is arranged in the groove.

[0015] Further, in order to be able to rotate the lead screw and maintain a self-locking effect, a housing is arranged at the top of the C-shaped frame. A worm gear is arranged inside the housing and at the top of the lead screw. A worm is arranged on the side of the worm gear. A handle is arranged at one end of the worm.

[0016] The beneficial effects of the present utility model are as follows:

[0017] (1) By the combined use of the camera and the lighting lamp, the present utility model can detect defects of the sealing rings at both ends of the water-lubricated bearing, and the position of the lighting lamp can be adjusted according to different detection requirements, improving the adaptability and flexibility of the device and being beneficial to improving the correctness of detection.

[0018] (2) By arranging the support and positioning component, stable support and position determination for the water-lubricated bearing are provided, and damage to the water-lubricated bearing caused by hard contact can be prevented. The support block is connected to the support plate by bolts, ensuring the stability of the support and positioning component.

[0019] (3) By setting up a position-adjustable bracket assembly, the lighting lamp can be moved in the horizontal and vertical directions to adjust its position to a suitable location to meet different lighting requirements. The cooperation of the lead screw and the worm gear allows the operator to make precise position adjustments by turning the handle. The magnet is set at the bottom of the C-shaped frame to provide additional stability and allows the C-shaped frame to move conveniently when adjusting the position of the lighting lamp in the horizontal direction. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 is a schematic structural diagram of a seal ring defect detection device according to an embodiment of the present invention;

[0022] Figure 2 is Figure 1 a partial enlarged view of part A in

[0023] Figure 3 is a schematic structural diagram of a support and positioning assembly in a seal ring defect detection device according to an embodiment of the present invention;

[0024] Figure 4 is a schematic structural diagram of a position-adjustable bracket assembly in a seal ring defect detection device according to an embodiment of the present invention;

[0025] Figure 5 is a schematic internal structure diagram of a housing in a seal ring defect detection device according to an embodiment of the present invention.

[0026] In the figure:

[0027] 1, workbench; 2, support plate; 3, support and positioning assembly; 301, support block; 302, arc surface; 303, arc soft pad; 304, soft board; 305, connecting plate; 306, bolt; 4, water lubricated bearing; 5, seal ring; 6, camera bracket; 7, camera; 8, position-adjustable bracket assembly; 801, C-shaped frame; 802, chute; 803, lead screw; 804, slider; 805, mounting plate; 806, groove; 807, magnet; 808, housing; 809, worm gear; 810, worm; 811, handle; 9, lighting lamp. Detailed Embodiments

[0028] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0029] According to an embodiment of the utility model, a sealing ring defect detection device is provided.

[0030] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-5 As shown, the sealing ring defect detection device according to the embodiment of the utility model includes a workbench 1, a support plate 2 is arranged in the middle of the workbench 1, a support positioning assembly 3 is arranged in the middle of the top of the support plate 2, a water-lubricated bearing 4 is arranged at the top of the support positioning assembly 3, and sealing rings 5 ​​are arranged at both ends of the water-lubricated bearing 4; camera brackets 6 are arranged at both ends of the support positioning assembly 3 and at the top of the support plate 2, a camera 7 is arranged at the top of the camera bracket 6, a position-adjustable bracket assembly 8 is arranged on the side of the camera bracket 6, and a lighting lamp 9 is arranged on the side of the position-adjustable bracket assembly 8 close to the water-lubricated bearing 4.

[0031] In addition, the utility model obtains an image of the sealing ring 5 at the end of the water-lubricated bearing 4 through the camera 7, and the image can cover the brass outer wall and the rubber inner wall, and performs defect detection. Specifically, during the detection:

[0032] The image at the sealing ring 5 is acquired through the camera 7, and the acquired image is preprocessed, including adjusting brightness and contrast, removing noise, and color correction.

[0033] Use the Canny algorithm (an edge detection algorithm) to identify edges in the image, analyze texture features through local binary patterns, and extract shape information through contour detection. Use color histograms to extract color features. Collect annotated data in advance and choose a suitable model architecture, such as YOLOv5. Convert the extracted features into feature vectors suitable for model input. Use the annotated data to train the model and optimize the parameters. Evaluate the model performance through the validation set and make necessary adjustments. Apply the trained model for real-time defect detection and classification. To identify different types of defects, such as cracks, bubbles, impurities, etc.

[0034] For the appearance dimension detection of the water-run bearing 4, the image is spatially calibrated through feature points of known size to determine the actual size corresponding to each pixel in the image. The key features of the water-run bearing 4, such as edges and contours, are identified and extracted. These features are used for subsequent dimension measurement. The edge detection algorithm is applied to measure key dimensions such as the inner and outer diameters of the bearing in the image. The measured dimensions are compared with the standard dimensions to determine whether the water-run bearing 4 meets the specification requirements.

[0035] Based on the test results, it is evaluated whether the sealing ring 5 and the water-lubricated bearing 4 have defects, and whether further inspection or replacement is required.

[0036] With the aid of the above scheme, the utility model can perform defect detection on the sealing rings 5 ​​at both ends of the water-lubricated bearing 4 through the coordinated use of the camera 7 and the lighting lamp 9, and the position of the lighting lamp 9 can be adjusted according to different detection requirements, thereby improving the adaptability and flexibility of the device and facilitating improving the accuracy of detection.

[0037] In one embodiment, for the above-mentioned support and positioning assembly 3, the support and positioning assembly 3 includes a support block 301 arranged in the middle of the top end of the support plate 2, and the top end of the support block 301 is provided with an arc surface 302, and the arc surface 302 is provided with a water-lubricated bearing 4; an arc-shaped soft pad 303 is provided between the arc surface 302 and the circumferential side wall of the water-lubricated bearing 4, and the side wall of the support block 301 is provided with a soft plate 304, and the soft plate 304 is in contact with the flange surface of the water-lubricated bearing 4; the bottom end of the support block 301 is provided with a connecting plate 305, and the connecting plate 305 is connected to the support plate 2 by bolts 306, thereby providing stable support and position determination for the water-lubricated bearing 4, and can prevent hard contact from causing damage to the water-lubricated bearing 4, and the support block 301 is connected to the support plate 2 by bolts 306, thereby ensuring the stability of the support and positioning assembly 3.

[0038] The working principle of the support and positioning component 3 is as follows: the cooperation between the arc surface 302 and the arc soft pad 303 provides the water-lubricated bearing 4 with a supporting surface that conforms to its shape, and the soft plate 304 contacts the flange surface of the water-lubricated bearing 4, providing additional stability and preventing damage caused by hard contact.

[0039] In one embodiment, for the above-mentioned position-adjustable bracket assembly 8, the position-adjustable bracket assembly 8 includes a U-shaped bracket 801 provided on the side of the camera bracket 6. A chute 802 is provided on the side wall of the U-shaped bracket 801. A lead screw 803 is vertically provided in the middle of the U-shaped bracket 801. The end of the lead screw 803 is connected to a bearing seat, making the rotation of the lead screw 803 more stable. A slider 804 is provided in the chute 802. One end of the slider 804 is connected to the lead screw 803, and the other end of the slider 804 is provided with a mounting plate 805. A lighting lamp 9 is provided on the side of the mounting plate 805 close to the water-lubricated bearing 4; a groove 806 is provided at the bottom end of the U-shaped bracket 801, and a magnet 807 is provided in the groove 806. In specific applications, the material of the support plate 2 is set to a material such as iron that can be adsorbed by the magnet 807; a housing 808 is provided at the top end of the U-shaped bracket 801. A worm gear 809 is provided in the housing 808 and at the top end of the lead screw 803. A worm 810 is provided on the side of the worm gear 809. One end of the worm 810 is provided with a handle 811, so that the lighting lamp 9 can move in the horizontal and vertical directions and adjust the position to a suitable position to meet different lighting requirements. The combined use of the lead screw 803 and the worm gear 809 allows the operator to make precise position adjustments by turning the handle 811. The magnet 807 provided at the bottom of the U-shaped bracket 801 provides additional stability and allows the U-shaped bracket 801 to be easily moved when adjusting the position of the lighting lamp 9 in the horizontal direction.

[0040] The working principle of the position-adjustable bracket assembly 8 is as follows: When adjusting the lighting lamp 9 in the vertical direction, the worm 810 is driven to rotate by the handle 811. The worm 810 drives the worm gear 809 to rotate, and the worm gear 809 synchronously drives the lead screw 803 to rotate. Thus, the lead screw 803 can drive the slider 804 and its connected mounting plate 805 and lighting lamp 9 to move in the vertical direction. When adjusting the lighting lamp 9 in the horizontal direction, since the magnet 807 and the support plate 2 are not fixedly connected, the positions of the U-shaped bracket 801 and the lighting lamp 9 can be easily adjusted.

[0041] To facilitate the understanding of the above technical solution of the present invention, the following will detail the working principle or operation method of the present invention in the actual process.

[0042] In actual applications, the combined use of the camera 7 and the lighting lamp 9 can detect defects in the seals 5 at both ends of the water-lubricated bearing 4. The position-adjustability of the lighting lamp 9 enables the device to be adjusted according to different detection requirements, improving the adaptability and flexibility of the device.

[0043] In summary, through the combined use of the camera 7 and the lighting lamp 9, the utility model can detect defects in the sealing rings 5 at both ends of the water-lubricated bearing 4. Moreover, the position of the lighting lamp 9 can be adjusted according to different detection requirements, improving the adaptability and flexibility of the device and facilitating the improvement of the detection accuracy. By providing the support and positioning assembly 3, stable support and position determination for the water-lubricated bearing 4 are provided, and damage to the water-lubricated bearing 4 caused by hard contact can be prevented. Connecting the support block 301 to the support plate 2 with the bolt 306 ensures the stability of the support and positioning assembly 3. By providing the position-adjustable bracket assembly 8, the lighting lamp 9 can be moved in the horizontal and vertical directions to adjust the position to a suitable position to meet different lighting requirements. The combined use of the lead screw 803 and the worm 809 allows the operator to make precise position adjustments by turning the handle 811. The magnet 807 provided at the bottom of the C-shaped frame 801 provides additional stability and allows the C-shaped frame 801 to move conveniently when adjusting the position of the lighting lamp 9 in the horizontal direction.

[0044] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "swivel connection" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. 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.

[0045] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A sealing ring defect detection device, comprising a workbench (1), characterized in that: A support plate (2) is arranged in the middle of the workbench (1). A support and positioning component (3) is arranged in the middle of the top end of the support plate (2). A water-lubricated bearing (4) is arranged at the top end of the support and positioning component (3). Sealing rings (5) are arranged at both ends of the water-lubricated bearing (4). Camera brackets (6) are arranged at both ends of the support and positioning component (3) and on the top end of the support plate (2). A camera (7) is arranged at the top end of the camera bracket (6). A position-adjustable bracket component (8) is arranged on the side of the camera bracket (6). A lighting lamp (9) is arranged on the side of the position-adjustable bracket component (8) close to the water-lubricated bearing (4).

2. A sealing ring defect detection device according to claim 1, characterized in that: The support and positioning component (3) includes a support block (301) arranged in the middle of the top end of the support plate (2). An arc surface (302) is arranged at the top end of the support block (301). The water-lubricated bearing (4) is arranged inside the arc surface (302).

3. A sealing ring defect detection device according to claim 2, characterized in that: An arc-shaped soft pad (303) is arranged between the arc surface (302) and the circumferential side wall of the water-lubricated bearing (4). A soft plate (304) is arranged on the side wall of the support block (301), and the soft plate (304) is in contact with the flange surface of the water-lubricated bearing (4).

4. A sealing ring defect detection device according to claim 2 or 3, characterized in that: A connecting plate (305) is arranged at the bottom end of the support block (301). The connecting plate (305) is connected to the support plate (2) through bolts (306).

5. A sealing ring defect detection device according to claim 4, characterized in that: The position-adjustable bracket component (8) includes a U-shaped frame (801) arranged on the side of the camera bracket (6). A chute (802) is arranged on the side wall of the U-shaped frame (801). A lead screw (803) is arranged vertically in the middle of the U-shaped frame (801). A slider (804) is arranged in the chute (802). One end of the slider (804) is connected to the lead screw (803). An installation plate (805) is arranged at the other end of the slider (804). The lighting lamp (9) is arranged on the side of the installation plate (805) close to the water-lubricated bearing (4).

6. A sealing ring defect detection device according to claim 5, characterized in that: A groove (806) is arranged at the bottom end of the U-shaped frame (801). A magnet (807) is arranged inside the groove (806).

7. A sealing ring defect detection device according to claim 6, characterized in that: A housing (808) is arranged at the top end of the U-shaped frame (801). A worm gear (809) is arranged inside the housing (808) and at the top end of the lead screw (803). A worm (810) is arranged on the side of the worm gear (809). A handle (811) is arranged at one end of the worm (810).

Images