Automobile hub bearing film thickness detection device
By designing a clamping and control component for an automotive wheel hub bearing film thickness detection device, the problem of insufficient detection accuracy in existing technologies has been solved, enabling precise measurement of wheel hub bearing film thickness and improving the stability and reliability of the detection.
Patent Information
- Application Number
- CN202423080754.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing methods for detecting the film thickness of automotive wheel hub bearings have inherent biases, especially handheld measurements which are susceptible to human vibration, leading to insufficient accuracy.
A device for detecting the film thickness of automotive wheel hub bearings was designed. The device uses a clamping assembly to fix the wheel hub bearing and a control assembly to make the probe contact the bearing end face. By combining sliding and rotation functions, it can achieve multiple measurements at the same position and accurate measurements at any position, reducing human error.
This improves the accuracy of wheel hub bearing film thickness detection, reduces the impact of base wobbling on the detection results, and ensures the reliability and stability of the measurement.
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Figure CN223691741U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of wheel hub bearing detection, especially to an automobile wheel hub bearing film thickness detection device. BACKGROUND
[0002] The automobile wheel hub bearing film thickness refers to the thickness of the wedge-shaped oil film formed between the rotating part and the bearing bush during the operation of the bearing. The main function of the bearing oil film is to reduce friction and wear, and to ensure the reliable operation of the wheel hub bearing. Since the wheel hub bearing is an important component during vehicle driving, its state directly affects the stability and safety of the vehicle. Therefore, regular detection of the wheel hub bearing film thickness can timely discover the wear or damage of the wheel hub bearing, avoiding vehicle failure or accidents caused by bearing problems.
[0003] There are two ways to detect the wheel hub bearing film thickness in the prior art: one is to measure the overall profile by electron microscope and calculate the film thickness with the obtained numerical value, but this method requires that the size of the wheel hub bearing itself cannot be deviated; the other is to use a handheld film thickness gauge for detection, but slight shaking during manual measurement will affect the detected film thickness data. Therefore, the above two methods have certain deviation in measuring the film thickness of the wheel hub bearing. SUMMARY
[0004] In order to improve the accuracy of detecting the film thickness of the automobile wheel hub bearing, the application provides an automobile wheel hub bearing film thickness detection device.
[0005] The automobile wheel hub bearing film thickness detection device provided by the application adopts the following technical scheme:
[0006] The automobile wheel hub bearing film thickness detection device is used for detecting the thickness of the automobile wheel hub bearing film, characterized in that it comprises a base, a fixed seat and a movable seat are arranged on the base, the axis of the fixed seat is perpendicular to the end face of the base, the axis of the movable seat is parallel to the end face of the base, a clamping assembly for clamping the wheel hub bearing is coaxially arranged on the fixed seat and the movable seat;
[0007] The base is provided with a holder for clamping the probe of the thickness gauge, the base is provided with a control assembly for controlling the sliding and rotation of the holder, the holder is located above the fixed seat or the movable seat after rotation, and the holder can slide to contact the probe with the wheel hub bearing on the fixed seat or the movable seat;
[0008] The fixed seat is rotationally arranged on the base, a control seat is slidably connected to the base, a slide rail is arranged on the base, a slide block matched with the slide rail is arranged on the control seat, the movable seat is rotationally arranged on the control seat, a control sliding piece for limiting the sliding of the control seat is arranged on the slide block, and a rotation limiting piece for limiting the rotation of the movable seat is arranged on the control seat.
[0009] By adopting the technical scheme, the hub bearing is fixed on the fixed seat or the movable seat through the clamping assembly, then the probe fixed on the clamping device can contact the end face of the hub bearing through the control assembly, the film thickness of the same point of the hub bearing can be accurately measured and human error can be reduced by repeatedly measuring the same point, the film thickness of any position on the end face of the hub bearing can be measured by operating the fixed seat and the movable seat to slide, rotate and fix the hub bearing, and the operation is convenient.
[0010] Preferably, the control assembly comprises a control rod and a control block, a control sleeve is threadedly connected to the control rod, a control through hole for the control sleeve to pass through is formed through the control block, a rotating knob is coaxially arranged on the side of the control sleeve close to the ground, the rotating knob can drive the control sleeve to slide along the length direction of the control rod under the action of the screw transmission when the rotating knob rotates, a control bearing is coaxially arranged on the control sleeve, and the end face of the control bearing away from the control sleeve is attached to the inner wall of the control through hole.
[0011] By adopting the technical scheme, the rotating knob can drive the control sleeve to slide along the length direction of the control rod under the action of the screw transmission when the rotating knob rotates, the rotating knob is used to support the control block on one hand, so that the control block is not easy to slide relative to the control sleeve under the action of its own gravity, and on the other hand, the rotating knob is convenient for controlling the rotation of the control sleeve and the sliding of the clamping device.
[0012] Preferably, a rack shaft is slidably connected in the control block, the clamping device is fixed with the rack shaft, a control gear meshing with the rack shaft is rotatably connected in the control block, and a control member for driving the control gear to rotate is arranged on the control block.
[0013] By adopting the technical scheme, when the control gear rotates, the rack shaft can slide relative to the control rod under the action of the gear transmission, the sliding of the probe towards the hub bearing is finely adjusted, and the probe can be smoothly driven to abut against the hub bearing, there is no friction between the probe and the hub bearing, and the reliability of detecting the film thickness of the hub bearing is ensured.
[0014] Preferably, a dustproof part is further slidably connected to the control rod, a dustproof through hole for the control rod to slide is formed through the dustproof part, the dustproof part is embedded in the control through hole after sliding, and the dustproof part is used to limit dust from entering the control through hole.
[0015] By adopting the technical scheme, the dustproof part is arranged, so that dust is not easy to enter the control through hole, and the stability of the rotation of the control block is effectively ensured.
[0016] Preferably, the control member comprises a rotating handle, a gear shaft is coaxially arranged on the rotating handle, the control gear is connected with the gear shaft through a key, rotating bearings are arranged on both sides of the control gear, the rotating bearings are sleeved on the gear shaft, and the outer diameter of the rotating bearings is larger than the outer diameter of the control gear.
[0017] By adopting the technical scheme, the rotating handle is arranged to facilitate rotation of the control gear, and the rotating bearings are arranged to effectively improve the stability of rotation of the control gear.
[0018] Preferably, the slide control member comprises a slide control bolt which is threadedly connected with the slide block, the slide control bolt is abutted against the slide rail after being rotated, a slide rod is coaxially arranged on the movable seat, a slide groove for sliding of the slide rod is arranged on the control seat, and the rotation limiting member comprises a rotation limiting bolt which is threadedly connected with the control seat and is abutted against the slide rod after being rotated.
[0019] By adopting the technical scheme, the sliding and rotation of the movable seat are limited through friction, and the operation is simple and convenient to implement.
[0020] Preferably, the base is threadedly connected with a foot support at the corner.
[0021] By adopting the technical scheme, the detection device can be stably placed on the ground or a table through the arrangement of the foot support, the influence of shaking of the base on the detection result in the detection process is reduced, and the accuracy of detection of the film thickness of the automobile hub bearing is improved.
[0022] In summary, the present application has at least one of the following beneficial technical effects:
[0023] 1. The hub bearing is fixed on the fixed seat or the movable seat through the clamping assembly, then the probe fixed on the clamping device can contact the end face of the hub bearing through the control assembly, the film thickness of the same point of the hub bearing can be accurately measured and human error is reduced, the hub bearing can be slid, rotated and fixed through the operation of the fixed seat and the sliding seat, the film thickness of any position of the end face of the hub bearing can be measured, and the operation is convenient.
[0024] 2. The detection device can be stably placed on the ground or a table through the arrangement of the foot support, the influence of shaking of the base on the detection result in the detection process is reduced, and the accuracy of detection of the film thickness of the automobile hub bearing is improved. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application.
[0026] Figure 2 is a partial structure sectional view in the embodiment of the present application.
[0027] Figure 3 is a control structure schematic diagram in the embodiment of the application.
[0028] Mark explanation: 1, base; 11, control rod; 111, dustproof part; 112, dustproof through hole; 12, control block; 121, control through hole; 122, rack shaft; 123, control gear; 124, rotating handle; 125, rotating bearing; 13, control sleeve; 131, rotating knob; 132, control bearing; 14, control seat; 141, sliding block; 142, control sliding bolt; 143, sliding groove; 144, rotation limiting bolt; 15, sliding rail; 2, foot support; 3, fixed seat; 31, three-jaw chuck; 4, movable seat; 41, sliding rod; 5, holder. DETAILED DESCRIPTION
[0029] The following will be combined with the accompanying Figures 1-3 The utility model is further explained in detail.
[0030] The embodiment of the application discloses a kind of automobile wheel hub bearing film thickness detection device, refer to Figure 1 And Figure 2 , including base 1, the corner of base 1 is threadedly connected with foot support 2, the part of foot support 2 and ground contact is made of rubber material, by the setting of foot support 2, the detection device can be placed stably on flat ground or table, reduce the influence of the shaking of base 1 in detection process to detection result, improve the accuracy of detecting automobile wheel hub bearing film thickness.
[0031] Refer to Figure 1 And Figure 2 , fixed seat 3 and movable seat 4 are equipped on base 1, make the axis of fixed seat 3 perpendicular to the end surface of base 1, the axis of movable seat 4 is parallel to the end surface of base 1, fixed seat 3 and movable seat 4 are coaxially equipped with the clamping assembly for clamping wheel hub bearing, in the embodiment of the application, three-jaw chuck 31 is selected for clamping assembly, wheel hub bearing is fixed on fixed seat 3 or movable seat 4 by three-jaw chuck 31, so that in the measurement process of wheel hub bearing, wheel hub bearing film thickness is not easy to be influenced by the rotation of wheel hub bearing, guarantee the accuracy of detecting automobile wheel hub bearing film thickness.
[0032] Refer to Figure 2 And Figure 3 , the holder 5 for clamping thickness gauge probe is equipped on base 1, control assembly for controlling the sliding and rotation of holder 5 is equipped on base 1, holder 5 is located above fixed seat 3 or movable seat 4 after rotation, holder 5 can slide to the contact of probe and wheel hub bearing on fixed seat 3 or movable seat 4, so as to detect the thickness of wheel hub bearing film.
[0033] Refer to Figure 1 And Figure 2, the control assembly comprises a control rod 11 and a control block 12, the control rod 11 is fixedly arranged on the base 1, a control sleeve 13 is threadedly connected to the control rod 11, the control block 12 is provided with a control through hole 121 penetrating through the control block 12 and used for allowing the control sleeve 13 to pass through, and a rotating knob 131 is coaxially arranged on one side of the control sleeve 13 close to the ground, the rotating knob 131 can drive the control sleeve 13 to slide along the length direction of the control rod 11 under the action of screw thread transmission when the rotating knob 131 rotates, the rotating knob 131 is used for supporting the control block 12 on one hand, so that the control block 12 is not easy to slide relative to the control sleeve 13 under the action of its own gravity, and the rotating knob 131 is used for controlling the rotation of the control sleeve 13 on the other hand.
[0034] With reference to Figure 2 and Figure 3 , the control sleeve 13 is coaxially provided with a control bearing 132, and the end face of the control bearing 132 away from the control sleeve 13 is attached to the inner wall of the control through hole 121, and the setting of the control bearing 132 improves the stability of the rotation of the control block 12 relative to the control sleeve 13.
[0035] With reference to Figure 1 and Figure 2 , the fixing seat 3 is rotationally arranged on the base 1, the probe can detect different places of the hub bearing through the rotation of the fixing seat 3, and the accuracy of the detection result is improved; the control seat 14 is slidably connected to the base 1, the base 1 is provided with a sliding rail 15, the control seat 14 is provided with a sliding block 141 matched with the sliding rail 15, the movable seat 4 is rotationally arranged on the control seat 14, the sliding block 141 is provided with a control sliding piece for limiting the sliding of the control seat 14, and the control seat 14 is provided with a rotation limiting piece for limiting the rotation of the movable seat 4, in the actual application process, the movable seat 4 can be first moved to a position convenient for the installation of the hub bearing, the hub bearing is fixed on the movable seat 4 through the three-jaw chuck 31, and then the hub bearing is moved to a detection point, and through the setting of the rotation limiting piece and the control sliding piece, the hub bearing is not easy to move relative to the probe in the detection process, and the accuracy of the detection is improved.
[0036] With reference to Figure 1 and Figure 2 , the control sliding piece comprises a control sliding bolt 142 threadedly connected with the sliding block 141, the control sliding bolt 142 is abutted against the sliding rail 15 after being rotated, the movable seat 4 is coaxially provided with a sliding rod 41, the control seat 14 is provided with a sliding groove 143 for allowing the sliding rod 41 to slide, the rotation limiting piece comprises a rotation limiting bolt 144 threadedly connected with the control seat 14, the rotation limiting bolt 144 is abutted against the sliding rod 41 after being rotated, and the sliding and rotation of the movable seat 4 are limited through friction, so that the operation is simple and easy to implement.
[0037] With reference to Figure 2 and Figure 3The rack shaft 122 is slidably connected in the control block 12, and slides along the length direction of the control rod 11. The gripper 5 can be fixed to the rack shaft 122 by bolts. The control gear 123 is rotatably connected in the control block 12 and meshes with the rack shaft 122. When the control gear 123 rotates, the rack shaft 122 can slide relative to the control rod 11 under the gear transmission, thereby driving the probe to slide stably to abut against the hub bearing. There is no friction between the probe and the hub bearing, thereby ensuring the reliability of detecting the film thickness of the hub bearing.
[0038] With reference to Figure 2 and Figure 3 , the control block 12 is provided with a control member for driving the control gear 123 to rotate. The control member includes a rotating handle 124. A gear shaft is coaxially arranged on the rotating handle 124. The control gear 123 is connected with the gear shaft through a key. Rotating bearings 125 are arranged on both sides of the control gear 123. The rotating bearings 125 are sleeved on the gear shaft. The outer diameter of the rotating bearings 125 is larger than the outer diameter of the control gear 123. Through the arrangement of the rotating bearings 125, the reliability of driving the control gear 123 to rotate through the rotating handle 124 is improved.
[0039] With reference to Figure 1 and Figure 2 enter the control through hole 121. Through the arrangement of the dustproof part 111, dust is not easy to enter the control through hole 121, thereby effectively ensuring the stability of the rotation of the control block 12.
[0040] The implementation principle of the automobile hub bearing film thickness detection device in the embodiment of the application is as follows: the hub bearing to be detected is fixed on the fixed seat 3 or the movable seat 4 through the three-jaw chuck 31, and then the probe fixed on the gripper 5 can contact the end face of the hub bearing by controlling the sliding of the control sleeve 13 and the gear shaft. The film thickness of the same point of the hub bearing can be accurately measured and human error can be reduced through repeated measurement. The film thickness of any position on the end face of the hub bearing can be measured through the sliding, rotating and fixing of the hub bearing, thereby facilitating the operation.
[0041] The above are the preferred embodiments of the application, and do not limit the protection scope of the application. Therefore, equivalent changes made on the basis of the structure, shape and principle of the application should be covered within the protection scope of the application.
Claims
1. An apparatus for detecting the thickness of a film of an automobile hub bearing, for detecting the thickness of a film of an automobile hub bearing, characterized by, It includes base (1), the fixed seat (3) and movable seat (4) are equipped on the base (1), the axis of fixed seat (3) is perpendicular to the end surface of base (1), the axis of movable seat (4) is parallel to the end surface of base (1), coaxial clamping assembly for clamping hub bearing is equipped on fixed seat (3) and movable seat (4); The base (1) is provided with a holder (5) for clamping a thickness gauge probe, and a control assembly is provided on the base (1) for controlling the sliding and rotation of the holder (5), the holder (5) is located above the fixed seat (3) or the movable seat (4) after rotation, and the holder (5) can slide to contact the probe with the hub bearing on the fixed seat (3) or the movable seat (4). The fixed seat (3) is rotatably arranged on the base (1), the base (1) is slidably connected with a control seat (14), the base (1) is provided with a sliding rail (15), the control seat (14) is provided with a sliding block (141) matched with the sliding rail (15), the movable seat (4) is rotatably arranged on the control seat (14), the sliding block (141) is provided with a sliding control member for limiting the sliding of the control seat (14), and the control seat (14) is provided with a rotation limiting member for limiting the rotation of the movable seat (4).
2. The automotive hub bearing film thickness detection apparatus of claim 1, wherein The control assembly includes a control rod (11) and a control block (12), the control rod (11) is threadedly connected with a control sleeve (13), the control block (12) is provided with a control through hole (121) penetrating therethrough for the control sleeve (13) to pass through, the control sleeve (13) is coaxially provided with a rotating knob (131) on the side close to the ground, the rotating knob (131) can drive the control sleeve (13) to slide along the length direction of the control rod (11) under the action of screw transmission when the rotating knob (131) rotates, and the control sleeve (13) is coaxially provided with a control bearing (132), and the end face of the control bearing (132) away from the control sleeve (13) is attached to the inner wall of the control through hole (121).
3. The automotive hub bearing film thickness detection apparatus of claim 2, wherein, The control block (12) is slidably connected with a rack shaft (122), the holder (5) is fixed with the rack shaft (122), the control block (12) is rotatably connected with a control gear (123) engaged with the rack shaft (122), and the control block (12) is provided with a control member for driving the control gear (123) to rotate.
4. The automotive wheel hub bearing film thickness inspection apparatus according to claim 2, characterized by The control rod (11) is also slidably connected with a dustproof part (111), the dustproof part (111) is provided with a dustproof through hole (112) penetrating therethrough for the control rod (11) to slide, and the dustproof part (111) is embedded in the control through hole (121) after sliding, so as to prevent dust from entering the control through hole (121).
5. The automotive wheel hub bearing film thickness inspection apparatus according to claim 3, characterized by The control member comprises a rotating handle (124), a gear shaft is coaxially arranged on the rotating handle (124), the control gear (123) is connected with the gear shaft through a key, rotating bearings (125) are arranged on both sides of the control gear (123), the rotating bearings (125) are sleeved on the gear shaft, and the outer diameter of the rotating bearings (125) is greater than the outer diameter of the control gear (123).
6. The automotive wheel hub bearing film thickness inspection apparatus according to claim 1, characterized by The slide control member comprises a slide control bolt (142) which is threadedly connected with the slide block (141), the slide control bolt (142) is abutted against the slide rail (15) after being rotated, a sliding rod (41) is coaxially arranged on the movable seat (4), a sliding groove (143) for the sliding rod (41) to slide is formed in the control seat (14), and the rotation limiting member comprises a rotation limiting bolt (144) which is threadedly connected with the control seat (14) and is abutted against the sliding rod (41) after being rotated.
7. The automotive wheel hub bearing film thickness inspection apparatus according to claim 1, characterized by The base (1) is threadedly connected with a foot support (2) at the corners.