Defect detection device for motor bearing

Abstract

The utility model relates to a motor bearing defect detection device which comprises a working table, a lifting table is arranged in a groove formed in the top of the working table, a bearing body is arranged at the top of the lifting table, and two sets of symmetrical supporting plates are arranged at the positions, located on the two sides of the lifting table, of the top of the working table. The side walls of the two sets of supporting plates are fixedly provided with hydraulic cylinders, the output ends of the hydraulic cylinders penetrate through through holes formed in the side walls of the supporting plates, and the fixing rods arranged at one ends of the clamping blocks are rotationally connected. A first transmission gear drives an L-shaped rack plate to move oppositely, so that two sets of supporting plates move oppositely, a clamping block is made to center and abut against a bearing body, the bearing body is kept under detection equipment, meanwhile, a hydraulic cylinder is driven to drive the clamping block to extrude the bearing body, and the strength of the bearing body is measured.

Description

Technical Field

[0001] The present application relates to the technical field of bearing detection, and in particular to a defect detection device for motor bearings. Background Art

[0002] Motor bearings, also known as electric motor bearings or motor bearings, are specialized bearings used in electric motors. A motor bearing supports a shaft, guiding its rotation and supporting components that spin idly on the shaft. The concept of a bearing is broad, and automotive motor bearings utilize smooth metal balls or rollers and lubricated inner and outer ring metal surfaces to reduce friction. Automotive motor bearings play a critical role in vehicle operation, and their operating status directly impacts vehicle performance and safety.

[0003] The existing motor bearing detection device requires manual flipping of the bearing during the detection process, and then the detection is performed by the detection equipment. The manual flipping easily causes the position of the bearing body to shift, thereby making the detection result of the detection equipment inaccurate. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the present application provides a defect detection device for motor bearings.

[0005] The present application provides a motor bearing defect detection device that adopts the following technical solution:

[0006] A defect detection device for a motor bearing comprises a workbench, a lifting platform is provided in a groove opened on the top of the workbench, a bearing body is provided on the top of the lifting platform, two groups of symmetrical support plates are provided on both sides of the top of the workbench, and a rotating mechanism is provided at the bottom of the workbench. The rotating mechanism drives the two groups of support plates to move toward each other to align the bearing body, and hydraulic cylinders are fixedly installed on the side walls of the two groups of support plates, and the output ends of the hydraulic cylinders pass through the through holes opened on the side walls of the support plates, and are rotatably connected between the fixed rods provided at one end of the clamping blocks.

[0007] Preferably, the rotating mechanism includes two symmetrical U-shaped seats installed at the bottom of the workbench, two L-shaped rack plates are slidably installed in the two U-shaped seats, one end of the two L-shaped rack plates is connected to the U-shaped connecting frame, and the two ends of the U-shaped connecting frame pass through the slide groove opened on the top of the workbench and are connected to the bottom of the two groups of support plates.

[0008] Preferably, a mounting plate is connected between the two U-shaped seats, a servo motor is fixedly mounted on the bottom of the mounting plate, the output end of the servo motor passes through a through hole opened on the mounting plate and is connected to a rotating rod, the other end of the rotating rod is connected to a bearing seat provided at the bottom of the workbench, a first transmission gear is installed on the rotating rod, and the first transmission gear is meshed with the two L-shaped rack plates.

[0009] Preferably, one group of the side walls of the support plates is provided with an L-shaped fixing block, and an electric push rod is installed on one side of the L-shaped fixing block. One end of the electric push rod passes through a through hole opened in the side wall of the L-shaped fixing block and is connected to a transmission assembly that drives the clamping block to flip.

[0010] Preferably, the transmission assembly includes a transmission rack, one end of which is connected to one end of the electric push rod, and the transmission rack is slidably installed in a U-shaped block set at the bottom of the side wall of the support plate. The transmission rack is also meshed with a second transmission gear, and the second transmission gear is fixedly installed on a fixed rod set on one side of the clamping block.

[0011] Preferably, an L-shaped support frame is also provided on the top of the workbench, and an electric telescopic rod is installed on the top of one end of the L-shaped support frame, one end of the electric telescopic rod passes through the through hole opened in the top of the L-shaped support frame, and a connecting block is provided, and there are two symmetrical limit rods on the top of the connecting block, one end of the two limit rods passes through the limit holes opened on the L-shaped support frame, a fixing plate is installed at the bottom of the connecting block, and a detection device is installed on the top of the fixing plate.

[0012] In summary, this application has the following beneficial technical effects:

[0013] 1. The utility model sets a rotating mechanism at the bottom of the workbench and drives the servo motor to make the first transmission gear drive two L-shaped rack plates to move toward each other, so that the two L-shaped rack plates drive two sets of support plates to move toward each other through the U-shaped connecting frame, so that the clamping block can align and tightly fix the bearing body on the lifting platform, so that the bearing body is kept directly below the detection equipment. At the same time, the hydraulic cylinder is driven to drive the clamping block to squeeze the bearing body, so as to measure the strength of the bearing body.

[0014] 2. The utility model is provided with a driving assembly, which drives the electric push rod to drive the transmission rack to move forward, so that the transmission rack drives the second transmission gear to rotate, so that the clamping block is flipped, thereby driving the bearing body to flip, making it more convenient for staff to inspect both sides of the bearing body, reducing the time for manual flipping, and improving detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 11 is a schematic structural diagram of a motor bearing defect detection device according to an embodiment of the present application;

[0016] Figure 2 This is a cross-sectional view of the bottom structure of a motor bearing defect detection device according to an embodiment of the present application;

[0017] Figure 3 1 is a schematic side structural diagram of a motor bearing defect detection device according to an embodiment of the present application;

[0018] Figure 4 This is an enlarged view of the structure at point A of a defect detection device for a motor bearing in an embodiment of the present application.

[0019] Explanation of the accompanying drawings: 1. Workbench; 2. Lifting platform; 3. Bearing body; 4. Support plate; 5. Hydraulic cylinder; 6. Clamping block; 7. U-shaped seat; 8. L-shaped rack plate; 9. U-shaped connecting frame; 10. Mounting plate; 11. Servo motor; 12. First transmission gear; 13. L-shaped fixing block; 14. Electric push rod; 15. Transmission rack; 16. Second transmission gear; 17. L-shaped support frame; 18. Electric telescopic rod; 19. Fixing plate; 20. Detection equipment. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1 —4 Provide further details of this application.

[0021] The embodiment of the present application discloses a defect detection device for a motor bearing, comprising a workbench 1, a lifting platform 2 is provided in a groove opened on the top of the workbench 1, a bearing body 3 is provided on the top of the lifting platform 2, two groups of symmetrical support plates 4 are provided on both sides of the top of the workbench 1, a rotating mechanism is provided at the bottom of the workbench 1, the rotating mechanism drives the two groups of support plates 4 to move toward each other to align the bearing body 3, hydraulic cylinders 5 are fixedly installed on the side walls of the two groups of support plates 4, and the output end of the hydraulic cylinder 5 passes through the passage opened on the side wall of the support plate 4. The workbench 1 is also provided with an L-shaped support frame 17 on the top of the L-shaped support frame 17, and an electric telescopic rod 18 is installed on the top of one end of the L-shaped support frame 17. One end of the electric telescopic rod 18 passes through the through hole opened on the top of the L-shaped support frame 17, and a connecting block is provided. Two symmetrical limiting rods are provided on the top of the connecting block, and one end of the two limiting rods passes through the limiting holes opened on the L-shaped support frame 17. A fixing plate 19 is installed on the bottom of the connecting block, and a detection device 20 is installed on the top of the fixing plate 19.

[0022] refer to Figure 1 and Figure 2The rotating mechanism includes two symmetrical U-shaped seats 7 installed at the bottom of the workbench 1. Two L-shaped rack plates 8 are slidably installed in the two U-shaped seats 7. One end of the two L-shaped rack plates 8 is connected to the U-shaped connecting frame 9. The two ends of the U-shaped connecting frame 9 pass through the slide groove opened at the top of the workbench 1 and are connected to the bottom of the two groups of support plates 4. A mounting plate 10 is also connected between the two U-shaped seats 7. A servo motor 11 is fixedly installed at the bottom of the mounting plate 10. The output end of the servo motor 11 passes through the through hole opened on the mounting plate 10 and is connected to a rotating rod. The other end of the rotating rod is connected to the bearing seat provided at the bottom of the workbench 1. A first transmission The movable gear 12 and the first transmission gear 12 are engaged with the two L-shaped rack plates 8. More specifically, when the bearing body 3 is centered and tightened, the servo motor 11 is driven to make the first transmission gear 12 drive the two meshed L-shaped rack plates 8 to slide toward each other along the U-shaped seat 7, so that the U-shaped connecting frame 9 connected to one end of the L-shaped rack plate 8 drives the two groups of support plates 4 to move toward each other, thereby driving the clamping block 6 to align and tighten the bearing body 3 on the lifting platform 2, so that the bearing body 3 remains directly below the detection equipment 20, and at the same time drives the hydraulic cylinder 5 to drive the clamping block 6 to squeeze the bearing body 3, thereby measuring the strength of the bearing body 3.

[0023] refer to Figure 3 and Figure 4 The second transmission gear 16 is meshed with the second transmission gear 16 and the second transmission gear 16 is fixedly mounted on the fixed rod 6 on one side of the clamping block 6. To be more specific, when the bearing body 3 is flipped, the driving electric push rod 14 drives the transmission rack 15 to slide along the U-shaped block provided at the bottom of the side wall of the support plate 4. The transmission rack 15 slides and drives the second transmission gear 16 to mesh and rotate, thereby causing the fixed rod to rotate and drive the clamping block 6 to flip, making it more convenient for the staff to detect both sides of the bearing body 3, reducing the time for manual flipping and improving the detection efficiency.

[0024] The implementation principle of a defect detection device for a motor bearing in an embodiment of the present application is as follows: when in use, the bearing body 3 is placed on the lifting platform 2, and the servo motor 11 is driven to make the first transmission gear 12 drive the L-shaped rack plate 8 to slide toward each other along the U-shaped seat 7, so that the U-shaped connecting frame 9 drives the two sets of support plates 4 to move toward each other, thereby driving the clamping block 6 to align and tighten the bearing body 3 on the lifting platform 2, so that the bearing body 3 is kept directly below the detection device 20, and then the hydraulic cylinder 5 is driven to drive the clamping block 6 to squeeze the bearing body 3, thereby measuring the strength of the bearing body 3, and at the same time, the electric telescopic rod 18 is driven to drive the detection device 20 installed at the bottom of the fixed plate 19 to move to the upper edge of the bearing body 3, and the detection device 20 is used to detect whether there is damage on the surface of the bearing body 3, so as to judge the defects of the bearing body 3, and by driving the electric push rod 14, the transmission rack 15 drives the second transmission gear 16 to rotate, so that the clamping block 6 drives the bearing body 3 to flip, reducing the time for manual flipping, so that the detection device 20 can quickly detect both sides of the bearing body 3, and improve the detection efficiency.

[0025] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A defect detection device for a motor bearing, comprising a workbench (1), a lifting platform (2) provided in a groove formed on the top of the workbench (1), a bearing body (3) provided on the top of the lifting platform (2), and two sets of symmetrical support plates (4) provided on both sides of the top of the workbench (1), characterized in that: A rotating mechanism is provided at the bottom of the workbench (1), and the rotating mechanism drives the two groups of support plates (4) to move toward each other to align the bearing body (3). Hydraulic cylinders (5) are fixedly installed on the side walls of the two groups of support plates (4). The output ends of the hydraulic cylinders (5) pass through the through holes provided in the side walls of the support plates (4), and are rotatably connected to the fixed rods provided at one end of the clamping blocks (6).

2. The motor bearing defect detection device according to claim 1, characterized in that: The rotating mechanism comprises two symmetrical U-shaped seats (7) installed at the bottom of the workbench (1), two L-shaped rack plates (8) are slidably installed in the two U-shaped seats (7), one end of the two L-shaped rack plates (8) is connected to a U-shaped connecting frame (9), and the two ends of the U-shaped connecting frame (9) pass through a slide groove opened on the top of the workbench (1) and are connected to the bottom of the two groups of support plates (4).

3. The motor bearing defect detection device according to claim 2, characterized in that: A mounting plate (10) is also connected between the two U-shaped seats (7), and a servo motor (11) is fixedly installed at the bottom of the mounting plate (10). The output end of the servo motor (11) passes through a through hole provided on the mounting plate (10) and is connected to a rotating rod. The other end of the rotating rod is connected to a bearing seat provided at the bottom of the workbench (1). A first transmission gear (12) is installed on the rotating rod, and the first transmission gear (12) is engaged with the two L-shaped rack plates (8).

4. The motor bearing defect detection device according to claim 1, characterized in that: One group of the support plates (4) has an L-shaped fixing block (13) on its side wall, and an electric push rod (14) is installed on one side of the L-shaped fixing block (13). One end of the electric push rod (14) passes through a through hole provided in the side wall of the L-shaped fixing block (13), and is connected to a transmission assembly for driving the clamping block (6) to flip.

5. The motor bearing defect detection device according to claim 4, characterized in that: The transmission assembly includes a transmission rack (15), one end of which is connected to one end of an electric push rod (14), and the transmission rack (15) is slidably mounted in a U-shaped block provided at the bottom of the side wall of the support plate (4). The transmission rack (15) is also meshed with a second transmission gear (16), and the second transmission gear (16) is fixedly mounted on a fixed rod provided on one side of the clamping block (6).

6. The motor bearing defect detection device according to claim 1, characterized in that: The top of the workbench (1) is also provided with an L-shaped support frame (17), and an electric telescopic rod (18) is installed on the top of one end of the L-shaped support frame (17), one end of the electric telescopic rod (18) passes through a through hole opened on the top of the L-shaped support frame (17), and a connecting block is provided, and two symmetrical limiting rods are provided on the top of the connecting block, one end of the two limiting rods passes through the limiting holes opened on the L-shaped support frame (17), a fixing plate (19) is installed on the bottom of the connecting block, and a detection device (20) is installed on the top of the fixing plate (19).

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