Automobile high-precision motor bearing detection device
Through laser ranging sensors and automatic dust removal mechanisms, the problems of cumbersome bearing rotation accuracy detection and insufficient dust removal in the prior art are solved, and efficient and accurate bearing detection is achieved.
Patent Information
- Application Number
- CN202510068679.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-04-29
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the prior art, the detection of bearing rotation accuracy is cumbersome and difficult to ensure accuracy, and the bearing dust removal and cleaning operation is lacking, which affects the accuracy of the detection results.
The laser ranging sensor is used to measure the axial and radial jump values of the motor bearing through optical detection, achieving high-precision detection, and automatically dust removal through dust blowing and vacuuming mechanisms before detection.
It realizes high-precision measurement of bearing rotation accuracy, high detection efficiency, stable measurement, and ensures the accuracy of detection results through automatic dust removal.
Smart Images
Figure CN119901205A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of bearing detection, and in particular to a high-precision automobile motor bearing detection device. Background Art
[0002] With the rapid development of the modern automobile industry, automobile motor bearings are key components of the drive system, and their quality directly affects the performance, safety and reliability of the vehicle. High-precision motor bearings need to undergo strict testing during the production process to ensure that their dimensional accuracy, material properties and surface quality meet the design requirements. Their accuracy plays a decisive role in the accuracy of the equipment. They are high-precision products. Therefore, in the production of bearings, bearing quality testing is particularly important; the rotation accuracy of the bearing is an important evaluation indicator for testing the quality of the bearing.
[0003] At present, the detection of bearing rotation accuracy is mostly carried out by manual measurement or reading using a pointer gauge. Therefore, manual operation is cumbersome, and the accuracy of the detection is difficult to guarantee. The detection result has poor accuracy. In addition, there is usually a lack of dust removal and cleaning operation before bearing detection, which may affect the accuracy of the bearing detection results due to dust on the bearing surface. Summary of the invention
[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a high-precision automobile motor bearing detection device, which uses a laser ranging sensor to accurately measure the axial runout value and radial runout value of the motor bearing through optical detection, thereby realizing accurate detection of the motor bearing accuracy.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A high-precision automobile motor bearing detection device comprises a bottom plate, a vertical plate is fixedly connected to the left side of the upper end of the bottom plate, a top plate is fixedly connected to the upper part of the side wall of the vertical plate, a second bearing is fixedly embedded in the upper end of the bottom plate, a hollow rotating rod is inserted into the inner side of the second bearing, a mounting hole is provided inside the bottom plate, a limiting mechanism connected to the hollow rotating rod is provided inside the mounting hole, a lower movable plate is sleeved on the side wall of the hollow rotating rod, a detection platform is provided above the lower movable plate, the detection platform is fixedly sleeved on the side wall of the hollow rotating rod, two through slots are penetrated at the upper end of the detection platform, the two through slots are symmetrically arranged, a placing mechanism is provided inside the two through slots, a detection mechanism and a dust blowing mechanism are provided at the upper end of the lower movable plate, the detection mechanism and the dust blowing mechanism are respectively located below the two through slots, The top of the described moving plate is provided with an upper movable plate, and the lower end of the upper movable plate is provided with a rotating mechanism and a dust suction mechanism, and the rotating mechanism and the dust suction mechanism are respectively located above the two through grooves, and an electric telescopic rod is installed on the upper end of the described top plate, and the telescopic end of the electric telescopic rod downwardly penetrates the top plate and is fixedly connected to the upper end of the upper movable plate; a movable groove is provided on the side wall of the described vertical plate, and a linkage mechanism connected with the lower movable plate and the upper movable plate is provided inside the described movable groove; the lower end of the upper movable plate is provided with a reversing mechanism connected with the hollow rotating rod; the upper end of the described bottom plate is provided with two guide mechanisms, and the two guide mechanisms are symmetrically arranged on the left and right sides of the hollow rotating rod; the guide mechanism includes a sleeve rod fixedly connected to the upper end of the bottom plate, and a guide rod is slidably inserted into the upper end of the sleeve rod, and the upper end of the guide rod is fixedly connected to the lower end of the lower movable plate.
[0006] As a further improvement of the present invention, the limiting mechanism includes a limiting block arranged inside the mounting hole, a spring is fixedly connected to the inner wall of the mounting hole, one end of the spring away from the inner wall of the mounting hole is fixedly connected to the end of the limiting block, the end of the limiting block away from the spring is a hemispherical structure, and two limiting holes cooperating with the limiting block are provided on the side wall of the hollow rotating rod, and the two limiting holes are symmetrically arranged on the left and right.
[0007] As a further improvement of the present invention, the linkage mechanism includes a redirecting gear arranged inside the movable groove, both ends of the redirecting gear are rotatably connected to the inner wall of the movable groove, the left and right sides of the redirecting gear are respectively meshed with a second tooth plate and a first tooth plate, the upper end of the second tooth plate is fixedly connected to the lower end of the upper movable plate, the lower end of the first tooth plate is fixedly connected to the upper end of the lower movable plate, and limit strips are fixedly connected to the inner walls on both sides of the opposite sides of the movable groove, and the two limit strips are both located on the right side of the first tooth plate.
[0008] As a further improvement of the present invention, the detection mechanism includes a core shaft fixedly connected to the upper end of the lower movable plate, an L-shaped rod fixedly connected to the side wall of the core shaft, an axial laser ranging sensor fixedly connected to the upper end of the horizontal part of the L-shaped rod, and a radial laser ranging sensor fixedly connected to the side wall of the vertical part of the L-shaped rod.
[0009] As a further improvement of the present invention, the dust blowing mechanism includes a dust blower fixedly mounted on the upper end of the lower movable plate, and the air outlet end of the dust blower is fixedly connected to a second sealing cover.
[0010] As a further improvement of the present invention, the rotating mechanism includes a rotating shaft vertically penetrating the upper movable plate, the rotating shaft is rotatably connected to the upper movable plate, a motor is fixedly installed on the upper end of the upper movable plate, the output shaft of the motor is fixedly connected to the upper end of the rotating shaft, a load rotating block is provided below the rotating shaft, the lower end of the rotating shaft penetrates the upper end of the load rotating block and extends to the inner side of the load rotating block, and the lower end of the rotating shaft is fixedly connected to a friction block.
[0011] As a further improvement of the present invention, the dust collection mechanism includes a dust collector fixedly mounted on the lower end of the upper movable plate, and a first sealing cover is fixedly connected to the suction end of the dust collector.
[0012] As a further improvement of the present invention, the reversing mechanism includes an insertion rod fixedly connected to the lower end of the upper movable plate, the lower end of the insertion rod is inserted into the upper end of the hollow rotating rod, the inner side of the hollow rotating rod is provided with a rotating sleeve, the rotating sleeve is sleeved on the outside of the insertion rod, the rotating sleeve and the hollow rotating rod are installed through a first bearing, the first bearing is a one-way bearing, a guide slider is fixedly connected to the inner wall of the rotating sleeve, a guide groove is provided on the side wall of the insertion rod, and the guide slider is located inside the guide groove.
[0013] As a further improvement of the present invention, the placement mechanism includes a placement ring seat arranged inside the through groove, four fixing rods are fixedly connected to the side wall of the placement ring seat, and the four fixing rods are arranged at equal intervals along the circumference of the placement ring seat, one end of the fixing rod away from the placement ring seat is fixedly connected to the inner wall of the through groove, and four positioning blocks are fixedly connected to the upper end of the placement ring seat, and the four positioning blocks are arranged at equal intervals along the circumference of the placement ring seat.
[0014] Beneficial effects of the present invention: 1. By setting up the rotating mechanism and the detection mechanism, when the bearing is detected, the core shaft is inserted into the inner side of the bearing and the bearing is lifted, and then the rotating load block can be pressed on the top of the bearing, and the bearing is driven to rotate through the load block. The axial laser ranging sensor and the radial laser ranging sensor can be used to record the axial runout value and radial runout value of the bearing after one rotation, and the measurement of the bearing rotation accuracy can be completed. The detection is efficient and fast, the measurement accuracy is high, the measurement is stable, and the measurement efficiency is high.
[0015] 2. By setting up a dust blowing mechanism and a dust suction mechanism, the dust blowing mechanism and the dust suction mechanism cooperate to clean the bearing before the bearing is tested, so as to avoid the dust on the bearing surface affecting the test and ensure the accuracy of the test result.
[0016] 3. By setting up an upper movable plate, a lower movable plate and a linkage mechanism, the linkage mechanism can be used to enable the lower movable plate to move up synchronously when the upper movable plate moves down, so that the bearing to be tested can be lifted and tested, thereby realizing automatic testing of the bearing with high testing efficiency.
[0017] 4. By setting up a reversing mechanism, a testing platform, and a placing mechanism, the bearing is placed on the placing mechanism, and the reversing mechanism can drive the testing platform to rotate and reverse, and then the testing platform can drive the bearings on both sides to swap positions. When the bearing on one side is being tested, the bearing can be loaded and unloaded and the dust removal operation of the bearing can be realized on the other side, which can greatly improve work efficiency.
[0018] 5. By setting a limit mechanism and a limit hole, applying the elastic force of the spring to the limit block, and engaging the limit block in the limit hole, the hollow rotating rod can be limited, thereby ensuring the stability of the hollow rotating rod, that is, the stability of the bearing detection process can be ensured.
[0019] The present invention can utilize a laser ranging sensor to complete the measurement of the rotation accuracy of the bearing in one go through optical detection, thereby realizing accurate detection of the motor bearing accuracy, with high measurement accuracy, stable process and high efficiency. Furthermore, the bearing dust removal operation can be automatically completed before the bearing detection to ensure the accuracy of the detection result and greatly improve the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a structural schematic diagram of a high-precision automobile motor bearing detection device proposed by the present invention; Figure 2 This is a structural schematic diagram of an upper moving plate, a lower moving plate, a first tooth plate, a second tooth plate, and a redirecting gear of a high-precision automobile motor bearing detection device proposed by the present invention; Figure 3 A schematic diagram of the structure of a rotating mechanism of a high-precision automobile motor bearing detection device proposed by the present invention; Figure 4 This is a schematic diagram of the structure of a motor, a rotating shaft, and a friction block of a high-precision automobile motor bearing detection device proposed by the present invention; Figure 5 This is a structural schematic diagram of the connection between the insertion rod and the hollow rotating rod of a high-precision automobile motor bearing detection device proposed by the present invention; Figure 6 for Figure 5 Enlarged view of point A in the middle; Figure 7 This is a partial cross-sectional structural diagram of a bottom plate, a hollow rotating rod, and a limiting mechanism of a high-precision automobile motor bearing detection device proposed by the present invention; Figure 8 This is a schematic diagram of the structure of a limit mechanism of a high-precision automobile motor bearing detection device proposed by the present invention; Fig. 9 This is a structural schematic diagram of a sleeve rod and a guide rod of a high-precision automobile motor bearing detection device proposed by the present invention; Fig.10 This is a structural schematic diagram of a detection platform, a through slot, and a placement mechanism of a high-precision automobile motor bearing detection device proposed by the present invention; Fig.11 The present invention provides a schematic structural diagram of a detection mechanism of a high-precision automobile motor bearing detection device.
[0021] In the figure: 1 bottom plate, 2 vertical plate, 3 lower moving plate, 4 limit strip, 5 first tooth plate, 6 redirecting gear, 7 second tooth plate, 8 movable groove, 9 upper moving plate, 10 top plate, 11 electric telescopic rod, 12 load rotating block, 13 plug rod, 14 vacuum cleaner, 15 first sealing cover, 16 detection table, 17 hollow rotating rod, 18 second sealing cover, 19 dust blower, 20 sleeve rod, 21 spindle, 22 motor, 23 rotating shaft, 24 friction block, 25 limit hole, 26 guide slide groove, 27 guide slide block, 28 first bearing, 29 rotating sleeve, 30 second bearing, 31 mounting hole, 32 spring, 33 limit block, 34 guide rod, 35 through groove, 36 placement ring seat, 37 fixing rod, 38 positioning block, 39 L-shaped rod, 40 axial laser ranging sensor, 41 radial laser ranging sensor. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0023] Reference Figure 1-Figure 11A high-precision automobile motor bearing detection device comprises a bottom plate 1, a vertical plate 2 is fixedly connected to the left side of the upper end of the bottom plate 1, a top plate 10 is fixedly connected to the upper part of the side wall of the vertical plate 2, a second bearing 30 is fixedly embedded on the upper end of the bottom plate 1, a hollow rotating rod 17 is inserted into the inner side of the second bearing 30, a mounting hole 31 is arranged inside the bottom plate 1, a limiting mechanism connected to the hollow rotating rod 17 is arranged inside the mounting hole 31, the limiting mechanism comprises a limiting block 33 arranged inside the mounting hole 31, a spring 32 is fixedly connected to the inner wall of the mounting hole 31, one end of the spring 32 away from the inner wall of the mounting hole 31 is fixedly connected to the end of the limiting block 33, the end of the limiting block 33 away from the spring 32 is a hemispherical structure, and the hollow rotating rod 17 is provided with a plurality of holes. The side wall is provided with two limiting holes 25 that cooperate with the limiting blocks 33, and the two limiting holes 25 are symmetrically arranged on the left and right. The elastic force of the spring 32 is applied to the limiting blocks 33, and the limiting blocks 33 are engaged in the limiting holes 25, so that the hollow rotating rod 17 can be limited, thereby ensuring the stability of the hollow rotating rod 17, that is, the stability of the bearing detection process can be ensured. The side wall of the hollow rotating rod 17 is sleeved with a lower moving plate 3, and the upper part of the lower moving plate 3 is provided with a detection platform 16, which is fixedly sleeved on the side wall of the hollow rotating rod 17. The upper end of the detection platform 16 is penetrated by two through grooves 35, and the two through grooves 35 are symmetrically arranged on the left and right. The through grooves 35 are provided, and the airflow can flow through the through grooves 35 during dust removal, and then through the flow The airflow can remove dust from the bearing surface. The two through grooves 35 are both provided with a placement mechanism. The upper end of the lower movable plate 3 is provided with a detection mechanism and a dust blowing mechanism. The detection mechanism and the dust blowing mechanism are respectively located below the two through grooves 35. An upper movable plate 9 is provided above the detection table 16. The lower end of the upper movable plate 9 is provided with a rotating mechanism and a dust suction mechanism. The rotating mechanism and the dust suction mechanism are respectively located above the two through grooves 35. The dust blowing mechanism includes a dust blower 19 fixedly mounted on the upper end of the lower movable plate 3. The air outlet end of the dust blower 19 is fixedly connected to the second sealing cover 18. The dust suction mechanism includes a dust collector 14 fixedly mounted on the lower end of the upper movable plate 9. The air suction end of the dust collector 14 is fixedly connected to the first sealing cover 15. The first sealing cover 1 5. The second sealing cover 18 is made of rubber material. An electric telescopic rod 11 is installed at the upper end of the top plate 10. The telescopic end of the electric telescopic rod 11 penetrates the top plate 10 downward and is fixedly connected to the upper end of the upper movable plate 9. A movable groove 8 is provided on the side wall of the vertical plate 2. A linkage mechanism connected to the lower movable plate 3 and the upper movable plate 9 is provided inside the movable groove 8. A reversing mechanism connected to the hollow rotating rod 17 is provided at the lower end of the upper movable plate 9. Two guide mechanisms are provided at the upper end of the bottom plate 1. The two guide mechanisms are symmetrically arranged on the left and right sides of the hollow rotating rod 17. The guide mechanism includes a sleeve rod 20 fixedly connected to the upper end of the bottom plate 1. A guide rod 34 is slidably inserted at the upper end of the sleeve rod 20, and the upper end of the guide rod 34 is fixedly connected to the lower end of the lower movable plate 3.
[0024] In the present invention, the linkage mechanism includes a redirecting gear 6 arranged inside the movable groove 8, both ends of the redirecting gear 6 are rotatably connected to the inner wall of the movable groove 8, the left and right sides of the redirecting gear 6 are respectively meshed with a second tooth plate 7 and a first tooth plate 5, the upper end of the second tooth plate 7 is fixedly connected to the lower end of the upper movable plate 9, the lower end of the first tooth plate 5 is fixedly connected to the upper end of the lower movable plate 3, and the limiting strips 4 are fixedly connected to the inner walls on both sides of the movable groove 8, and the two limiting strips 4 are both located on the right side of the first tooth plate 5.
[0025] The detection mechanism includes a core shaft 21 fixedly connected to the upper end of the lower movable plate 3, an L-shaped rod 39 fixedly connected to the side wall of the core shaft 21, an axial laser ranging sensor 40 fixedly connected to the upper end of the horizontal portion of the L-shaped rod 39, and a radial laser ranging sensor 41 fixedly connected to the side wall of the vertical portion of the L-shaped rod 39. The models of the axial laser ranging sensor 40 and the radial laser ranging sensor 41 are both KJT-KELR-TE5. The axial laser ranging sensor 40 and the radial laser ranging sensor 41 are used to complete the measurement of the rotation accuracy of the bearing at one time through optical detection, thereby realizing accurate detection of the motor bearing accuracy, being able to record the axial runout value and radial runout value of the bearing after one rotation, and completing the measurement of the bearing rotation accuracy. The detection is efficient and fast, the measurement accuracy is high, the measurement is stable, and the measurement efficiency is high.
[0026] The rotating mechanism includes a rotating shaft 23 vertically penetrating the upper movable plate 9, the rotating shaft 23 is rotatably connected to the upper movable plate 9, a motor 22 is fixedly installed on the upper end of the upper movable plate 9, the output shaft of the motor 22 is fixedly connected to the upper end of the rotating shaft 23, a load rotating block 12 is provided below the rotating shaft 23, the lower end of the rotating shaft 23 penetrates the upper end of the load rotating block 12 and extends to the inner side of the load rotating block 12, and the lower end of the rotating shaft 23 is fixedly connected to a friction block 24.
[0027] The reversing mechanism includes an insert rod 13 fixedly connected to the lower end of the upper moving plate 9, the lower end of the insert rod 13 is inserted into the upper end of the hollow rotating rod 17, the inner side of the hollow rotating rod 17 is provided with a rotating sleeve 29, the rotating sleeve 29 is sleeved on the outside of the insert rod 13, the rotating sleeve 29 and the hollow rotating rod 17 are installed through a first bearing 28, the first bearing 28 is a one-way bearing, the inner wall of the rotating sleeve 29 is fixedly connected with a guide slider 27, the side wall of the insert rod 13 is provided with a guide groove 26, and the guide slider 27 is located inside the guide slot 26. Since the guide slider 27 slides inside the guide slot 26, when the insertion rod 13 moves downward, the limiting guiding function of the guide slot 26 can be utilized to drive the rotating sleeve 29 to rotate. However, since the first bearing 28 is a one-way bearing, when the insertion rod 13 moves downward, the first bearing 28 will not drive the hollow rotating rod 17 to rotate. When the insertion rod 13 moves upward, the rotating sleeve 29 is driven to rotate, and the hollow rotating rod 17 can be driven to rotate through the rotating sleeve 29.
[0028] The placement mechanism includes a placement ring seat 36 arranged inside the through groove 35, and four fixing rods 37 are fixedly connected to the side wall of the placement ring seat 36. The four fixing rods 37 are arranged at equal intervals along the circumference of the placement ring seat 36. One end of the fixing rod 37 away from the placement ring seat 36 is fixedly connected to the inner wall of the through groove 35, and four positioning blocks 38 are fixedly connected to the upper end of the placement ring seat 36. The four positioning blocks 38 are arranged at equal intervals along the circumference of the placement ring seat 36. When the bearing is placed on the placement ring seat 36, the positioning blocks 38 can be used to position the bearing.
[0029] When the present invention is used, the motor 22 is started to drive the rotating shaft 23 to rotate, and the friction block 24 is driven to rotate through the rotating shaft 23. The friction force between the friction block 24 and the load rotating block 12 can drive the load rotating block 12 to rotate, and then the electric telescopic rod 11 is started to extend, driving the upper movable plate 9 to move downward, and then driving the second toothed plate 7 to move downward, driving the redirecting gear 6 to rotate, and can synchronously drive the first toothed plate 5 to move upward synchronously, and the upward movement of the first toothed plate 5 can drive the lower movable plate 3 to move upward; By moving the lower moving plate 3 upward, the core shaft 21 can be driven to be inserted into the inner side of the bearing and lift the bearing, and then the rotating load block 12 can be pressed on the top of the bearing, and the rotating load block 12 can drive the bearing to rotate. The axial laser ranging sensor 40 and the radial laser ranging sensor 41 can be used to record the axial runout value and radial runout value of the bearing after one rotation, so as to complete the measurement of the bearing rotation accuracy; When the lower movable plate 3 and the upper movable plate 9 move, the first sealing cover 15 and the second sealing cover 18 can be driven to fit on the upper and lower sides of the testing platform 16 respectively, and then the vacuum cleaner 14 and the dust blower 19 are started. Through the cooperation of the vacuum cleaner 14 and the dust blower 19, the bearing on the right side can be cleaned and dusted before testing. After the detection is completed, the electric telescopic rod 11 is started to retract, driving the upper movable plate 9. When the upper movable plate 9 moves up, it can drive the insertion rod 13 to move up. When the core shaft 21 and the load rotating block 12 are separated from the bearing, the guide slide groove 26 is used to limit and guide the guide slider 27, which can drive the hollow rotating rod 17 to rotate 180 degrees, and then drive the detection platform 16 to rotate 180 degrees through the hollow rotating rod 17, so that the bearings on the left and right sides are swapped, the bearing on the right side is unloaded, and then the next bearing is reinstalled. Repeat the above process to continue to detect and remove dust from the bearings.
[0030] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A high-precision automobile motor bearing detection device, comprising a base plate (1), characterized in that: The upper left side of the bottom plate (1) is fixedly connected to a vertical plate (2), the upper part of the side wall of the vertical plate (2) is fixedly connected to a top plate (10), the upper end of the bottom plate (1) is fixedly embedded with a second bearing (30), the inner side of the second bearing (30) is inserted with a hollow rotating rod (17), the inside of the bottom plate (1) is provided with a mounting hole (31), the inside of the mounting hole (31) is provided with a limiting mechanism connected to the hollow rotating rod (17), and the side wall of the hollow rotating rod (17) is sleeved with a lower movable plate (3). A detection platform (16) is provided above the lower movable plate (3), and the detection platform (16) is fixedly sleeved on the side wall of the hollow rotating rod (17). Two through slots (35) are penetrated through the upper end of the detection platform (16), and the two through slots (35) are symmetrically arranged. A placement mechanism is provided inside the two through slots (35). A detection mechanism and a dust blowing mechanism are provided at the upper end of the lower movable plate (3), and the detection mechanism and the dust blowing mechanism are respectively located below the two through slots (35). The detection platform (16) ), an upper movable plate (9) is provided above the upper movable plate (9), a rotating mechanism and a dust collecting mechanism are provided at the lower end of the upper movable plate (9), the rotating mechanism and the dust collecting mechanism are respectively located above the two through grooves (35), an electric telescopic rod (11) is installed at the upper end of the top plate (10), the telescopic end of the electric telescopic rod (11) passes through the top plate (10) downward and is fixedly connected to the upper end of the upper movable plate (9), a movable groove (8) is provided on the side wall of the vertical plate (2), and a movable groove (8) is provided inside the movable groove (8) for connecting with the lower movable plate (3) , a linkage mechanism connected to an upper movable plate (9), the lower end of the upper movable plate (9) is provided with a reversing mechanism connected to the hollow rotating rod (17), the upper end of the bottom plate (1) is provided with two guide mechanisms, the two guide mechanisms are symmetrically arranged on the left and right sides of the hollow rotating rod (17), the guide mechanism includes a sleeve rod (20) fixedly connected to the upper end of the bottom plate (1), the upper end of the sleeve rod (20) is slidably inserted with a guide rod (34), and the upper end of the guide rod (34) is fixedly connected to the lower end of the lower movable plate (3).
2. The high-precision automobile motor bearing detection device according to claim 1, characterized in that: The limiting mechanism comprises a limiting block (33) arranged inside the mounting hole (31); a spring (32) is fixedly connected to the inner wall of the mounting hole (31); one end of the spring (32) away from the inner wall of the mounting hole (31) is fixedly connected to the end of the limiting block (33); one end of the limiting block (33) away from the spring (32) is a hemispherical structure; two limiting holes (25) cooperating with the limiting block (33) are provided on the side wall of the hollow rotating rod (17); and the two limiting holes (25) are symmetrically arranged on the left and right.
3. The high-precision automobile motor bearing detection device according to claim 1, characterized in that: The linkage mechanism comprises a redirecting gear (6) arranged inside the movable groove (8), both ends of the redirecting gear (6) are rotatably connected to the inner wall of the movable groove (8), the left and right sides of the redirecting gear (6) are respectively meshed with a second tooth plate (7) and a first tooth plate (5), the upper end of the second tooth plate (7) is fixedly connected to the lower end of the upper movable plate (9), the lower end of the first tooth plate (5) is fixedly connected to the upper end of the lower movable plate (3), and limiting strips (4) are fixedly connected to the inner walls of the movable groove (8) on both sides opposite to each other, and the two limiting strips (4) are both located on the right side of the first tooth plate (5).
4. The high-precision automobile motor bearing detection device according to claim 1, characterized in that: The detection mechanism comprises a core shaft (21) fixedly connected to the upper end of the lower movable plate (3), an L-shaped rod (39) fixedly connected to the side wall of the core shaft (21), an axial laser distance sensor (40) fixedly connected to the upper end of the horizontal portion of the L-shaped rod (39), and a radial laser distance sensor (41) fixedly connected to the side wall of the vertical portion of the L-shaped rod (39).
5. The high-precision automobile motor bearing detection device according to claim 1, characterized in that: The dust blowing mechanism comprises a dust blower (19) fixedly mounted on the upper end of the lower movable plate (3), and the air outlet end of the dust blower (19) is fixedly connected to a second sealing cover (18).
6. The high-precision automobile motor bearing detection device according to claim 1, characterized in that: The rotating mechanism comprises a rotating shaft (23) vertically penetrating the upper movable plate (9), the rotating shaft (23) being rotatably connected to the upper movable plate (9), a motor (22) being fixedly mounted on the upper end of the upper movable plate (9), an output shaft of the motor (22) being fixedly connected to the upper end of the rotating shaft (23), a load rotating block (12) being provided below the rotating shaft (23), the lower end of the rotating shaft (23) penetrating the upper end of the load rotating block (12) and extending to the inner side of the load rotating block (12), and a friction block (24) being fixedly connected to the lower end of the rotating shaft (23).
7. The high-precision automobile motor bearing detection device according to claim 1, characterized in that: The dust collection mechanism comprises a dust collector (14) fixedly mounted on the lower end of the upper movable plate (9), and a first sealing cover (15) is fixedly connected to the air suction end of the dust collector (14).
8. The high-precision automobile motor bearing detection device according to claim 1, characterized in that: The reversing mechanism comprises an insertion rod (13) fixedly connected to the lower end of the upper movable plate (9), the lower end of the insertion rod (13) being inserted into the upper end of the hollow rotating rod (17), a rotating sleeve (29) being provided on the inner side of the hollow rotating rod (17), the rotating sleeve (29) being sleeved on the outer side of the insertion rod (13), the rotating sleeve (29) and the hollow rotating rod (17) being installed via a first bearing (28), the first bearing (28) being a one-way bearing, a guide slider (27) being fixedly connected to the inner wall of the rotating sleeve (29), a guide groove (26) being provided on the side wall of the insertion rod (13), the guide slider (27) being located inside the guide groove (26).
9. The high-precision automobile motor bearing detection device according to claim 1, characterized in that: The placement mechanism comprises a placement ring seat (36) arranged inside the through groove (35); four fixing rods (37) are fixedly connected to the side wall of the placement ring seat (36); the four fixing rods (37) are arranged at equal intervals along the circumference of the placement ring seat (36); one end of the fixing rod (37) away from the placement ring seat (36) is fixedly connected to the inner wall of the through groove (35); four positioning blocks (38) are fixedly connected to the upper end of the placement ring seat (36); the four positioning blocks (38) are arranged at equal intervals along the circumference of the placement ring seat (36).