Hub tapered roller bearing clearance measuring device

Abstract

The utility model relates to the technical field of hub tapered roller bearings, and discloses a hub tapered roller bearing clearance measuring device which comprises a workbench, a driving assembly is arranged at the bottom of the workbench, a clamping assembly is arranged in the workbench, and a measuring assembly is arranged at the top end of the workbench. And the driving assembly comprises a mounting block, the mounting block is fixedly connected to the bottom of the workbench, a motor is fixedly connected to the front side of the mounting block, a worm is fixedly connected to the output end of the motor, and a worm gear is rotationally connected to the interior of the mounting block. The clamping assembly comprises a rotating block. According to the utility model, the worm and the worm gear are driven by the motor to transmit power, and then the bearing is stably clamped by the clamping block, so that the technical effect of automatically fixing the bearing is achieved. The problems that a traditional device is prone to causing inaccurate positioning and complex operation in the clamping process are solved, and clamping operation is more efficient and accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wheel hub tapered roller bearing, especially relates to a wheel hub tapered roller bearing gap measuring device. BACKGROUND

[0002] In the field of automobile wheel hub bearing, industrial machinery equipment etc., as important key components, the running performance of tapered roller bearing is directly related to the stability and safety of equipment. In order to ensure that bearing has excellent running characteristics in actual use, accurate measurement of the internal clearance of bearing becomes an indispensable link. The size of clearance directly affects the bearing capacity, rotation flexibility and life of bearing, therefore, in the manufacturing and detection process, the precision of clearance measurement is put forward with extremely high requirement. However, in actual application, the prior art still has many deficiencies and limitations, which is difficult to meet the demand of modern industry for efficient, accurate and nondestructive measurement.

[0003] At present, most bearing clearance measuring devices adopt manual clamping structure. The operator needs to adjust the clamping position according to the size and shape of bearing, but because of the lack of automatic adjusting device, the bearing often needs to be fixed after several attempts in the clamping process. This manual clamping method not only is low in efficiency, but also is easy to cause unstable fixation of bearing due to deviation of clamping position, which affects the measurement accuracy. In addition, the uneven clamping force may also cause damage to the surface of bearing, especially to the precision parts of roller and raceway, and bring irreversible damage. In view of the above problems, the technical personnel in the art put forward a kind of wheel hub tapered roller bearing gap measuring device to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of wheel hub tapered roller bearing gap measuring device, aims at improving the problem of manual clamping structure of most bearing clearance measuring devices.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A kind of wheel hub tapered roller bearing gap measuring device, including workbench, the bottom of the workbench is provided with drive assembly, the inside of the workbench is provided with clamping assembly, the top of the workbench is provided with measuring assembly;

[0007] The drive assembly includes mounting block, the mounting block is fixedly connected at the bottom of workbench, the front side of the mounting block is fixedly connected with motor, the output end of the motor is fixedly connected with worm, the inside of the mounting block is rotatably connected with worm wheel.

[0008] Further, the clamping assembly comprises a rotating block rotatably connected to the inside of the workbench, left and right sides of the rotating block are rotatably connected with link rods, the sides away from each other of the two link rods are rotatably connected with moving blocks, the inside of the workbench is fixedly connected with limit rods on the front and back sides, the outside of the moving blocks is fixedly connected with connecting rods on the front and back sides, the sides close to each other of the connecting rods on the left and right sides are fixedly connected with clamping blocks, and the bottom of the clamping block is provided with a pad.

[0009] Further, the measuring assembly comprises a mounting frame fixedly connected to the top end of the workbench, a guide rail is installed on the inner top wall of the mounting frame, a moving seat is installed on the outside of the guide rail, a hydraulic cylinder is installed on the bottom of the moving seat, a push block is fixedly connected to the output end of the hydraulic cylinder, and measuring instruments are installed on the left and right sides of the bottom of the moving seat.

[0010] Further, the inside of the mounting block is rotatably connected with the outside of the worm, and the outside of the worm is meshingly connected with the outside of the worm wheel.

[0011] Further, the bottom of the rotating block is fixedly connected with the top of the worm wheel, and the inside of the limit rod is slidingly connected with the inside of the moving block.

[0012] Further, the outside of the connecting rod is slidingly connected with the inside of the workbench, and the outside of the moving block is slidingly connected with the inside of the workbench.

[0013] Further, the surface of the clamping block is provided with an elastic pad layer made of wear-resistant rubber material.

[0014] Further, the measuring instrument is a non-contact laser measuring instrument, and the laser measuring instrument measures the gap between the rolling body and the raceway of the hub tapered roller bearing.

[0015] The utility model has the following beneficial effects:

[0016] 1、The utility model discloses a driving assembly and clamping assembly linkage technical scheme, through motor drive worm, worm wheel power transmission, then by clamping block stable clamping bearing reaches bearing automatic fixing technical effect.Compared with the prior art needs manual adjustment clamping position or relies on complex mechanical device clamping scheme, solves the problem that traditional device is easy to cause inaccuracy in positioning in clamping process, and operation is complicated, makes clamping operation more efficient and accurate.

[0017] 2、The utility model discloses a non -contact laser measuring instrument is combined hydraulic loading technical scheme, can carry out high accuracy detection to the clearance between bearing rolling element and raceway under simulating actual stress condition, realized fast and lossless technical effect. Compared with the scheme that the traditional contact type measuring instrument of prior art can cause damage to bearing surface, avoid the secondary damage of the component to be measured, improve the accuracy of measurement data and the service life of equipment simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A kind of hub tapered roller bearing clearance measuring device's perspective view is proposed for the utility model;

[0019] Figure 2 A kind of hub tapered roller bearing clearance measuring device's guide rail structure schematic view is proposed for the utility model;

[0020] Figure 3 A kind of hub tapered roller bearing clearance measuring device's worm structure schematic view is proposed for the utility model;

[0021] Figure 4 A kind of hub tapered roller bearing clearance measuring device's link rod structure schematic view is proposed for the utility model.

[0022] Legend:

[0023] 1, workbench;2, driving assembly;201, mounting block;202, motor;203, worm;204, worm gear;3, clamping assembly;301, rotating block;302, link rod;303, moving block;304, limit rod;305, connecting rod;306, clamping block;307, pad;4, measuring assembly;401, mounting frame;402, guide rail;403, moving seat;404, hydraulic cylinder;405, push block;406, measuring instrument. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Reference Figures 1-3The utility model provides an embodiment: a kind of hub tapered roller bearing clearance measuring device, including workbench 1, the bottom of workbench 1 is provided with drive assembly 2, drive assembly 2 includes mounting block 201, mounting block 201 is fixedly connected at the bottom of workbench 1, the front side of mounting block 201 is fixedly connected with motor 202, the output of motor 202 is fixedly connected with worm 203, the inside of mounting block 201 is rotatably connected with the outside of worm 203, the inside of mounting block 201 is rotatably connected with worm gear 204, the outside of worm 203 is meshed with the outside of worm gear 204.

[0026] Specifically, workbench 1 is the main support structure of the whole device, made of high-strength material, has good load-carrying capacity and anti-vibration performance, can keep the device stable during measurement, avoid the generation of measurement error caused by vibration or external interference. The bottom of workbench 1 is in contact with the ground through a fixed foot, further improving the stability of the equipment, and its flat design facilitates the installation of drive assembly 2 and clamping assembly 3. The bottom of workbench 1 is provided with drive assembly 2, which includes mounting block 201 fixedly connected to the bottom of workbench 1 for supporting motor 202 and worm 203 and stable operation. The front side of mounting block 201 is fixedly connected with motor 202, and the output of motor 202 is fixedly connected with worm 203. Motor 202 drives worm 203 to rotate through its output end during operation, and worm 203 achieves power transmission through meshing with worm gear 204. The inside of mounting block 201 is rotatably connected with the outside of worm 203 to ensure stable operation and reduce friction when worm 203 rotates. The inside of mounting block 201 is also rotatably connected with worm gear 204, which is meshed with the outside of worm 203. Worm gear 204 generates a speed reduction and force amplification effect through meshing with worm 203, ensuring stable power transmission during device operation. At the same time, the cooperation of worm 203 and worm gear 204 has a self-locking function, which can effectively prevent the reverse rotation of motor 202 caused by the reaction force of axial force, thereby improving the working reliability and clamping stability of the whole device.

[0027] Reference Figure 2 And Figure 4The inner part of the workbench 1 is provided with a clamping assembly 3, the clamping assembly 3 comprises a rotating block 301, the rotating block 301 is rotatably connected in the inner part of the workbench 1, the bottom of the rotating block 301 is fixedly connected with the top of the worm gear 204, the left and right sides of the rotating block 301 are rotatably connected with the connecting rods 302, the sides away from each other of the two connecting rods 302 are rotatably connected with the moving blocks 303, the outer part of the moving block 303 is slidably connected with the inner part of the workbench 1, the front and rear sides of the inner part of the workbench 1 are fixedly connected with the limiting rods 304, the inner part of the limiting rod 304 is slidably connected with the inner part of the moving block 303, the front and rear sides of the outer part of the moving block 303 are fixedly connected with the connecting rods 305, the outer part of the connecting rod 305 is slidably connected with the inner part of the workbench 1, the sides close to each other of the left and right connecting rods 305 are fixedly connected with the clamping blocks 306, the surface of the clamping block 306 is provided with an elastic pad layer, the elastic pad layer is made of wear-resistant rubber material, and the bottom of the clamping block 306 is provided with a pad 307.

[0028] Specifically, the inner part of the workbench 1 is provided with a clamping assembly 3, the clamping assembly 3 realizes reliable clamping of the hub tapered roller bearing through linkage of multiple parts. The clamping assembly 3 comprises a rotating block 301, the rotating block 301 is rotatably connected in the inner part of the workbench 1, its bottom is fixedly connected with the top of the worm gear 204, and the rotating block 301 is driven to rotate through the rotation of the worm gear 204. The left and right sides of the rotating block 301 are rotatably connected with the connecting rods 302, the connecting rods 302 play a role in force transmission and support, and can transmit the movement of the rotating block 301 to the moving block 303, the sides away from each other of the two connecting rods 302 are rotatably connected with the moving blocks 303, the outer part of the moving block 303 is slidably connected with the inner part of the workbench 1, so that the moving block 303 can smoothly slide in a predetermined direction, and deviation during movement is prevented.

[0029] The front and rear sides of the inner part of the workbench 1 are fixedly connected with the limiting rods 304, the inner part of the limiting rod 304 is slidably connected with the inner part of the moving block 303, the sliding range of the moving block 303 is limited through the limiting rod 304, so that the action of the clamping assembly 3 is accurate and stable when clamping or loosening the bearing. The front and rear sides of the outer part of the moving block 303 are fixedly connected with the connecting rods 305, the outer part of the connecting rod 305 is slidably connected with the inner part of the workbench 1, the movement trajectory of the clamping block 306 is further stabilized through the smooth sliding action of the connecting rod 305, the sides close to each other of the left and right connecting rods 305 are fixedly connected with the clamping blocks 306, and the clamping block 306 is used for directly contacting and clamping the bearing. The surface of the clamping block 306 is provided with an elastic pad layer, the elastic pad layer is made of wear-resistant rubber material, which can increase the clamping force and protect the surface of the bearing from damage, and at the same time improve the adaptability of the device to bearings of different specifications. The bottom of the clamping block 306 is provided with a pad 307, and the pad 307 further disperses the clamping force to avoid damaging the surface structure of the bearing during clamping due to excessive concentration of force.

[0030] Referring to Figure 1 and Figure 2 , the top end of the workbench 1 is provided with a measuring assembly 4, which includes a mounting frame 401 fixedly connected to the top end of the workbench 1, a guide rail 402 mounted on the inner top wall of the mounting frame 401, a moving seat 403 mounted on the outside of the guide rail 402, a hydraulic cylinder 404 mounted on the bottom of the moving seat 403, a push block 405 fixedly connected to the output end of the hydraulic cylinder 404, and a measuring instrument 406 mounted on the bottom of the moving seat 403 on both sides.

[0031] Specifically, the top end of the workbench 1 is provided with a measuring assembly 4, which is supported by the mounting frame 401 as a fixed support structure, and the mounting frame 401 is stably connected to the top end of the workbench 1 to ensure the stability and measurement accuracy of the entire measuring assembly 4 during operation. The inner top wall of the mounting frame 401 is provided with a guide rail 402, which is a high-precision linear guide rail that can provide a smooth movement path to enable the moving seat 403 mounted thereon to slide accurately during adjustment, facilitating the adjustment of the working position of the measuring assembly and adapting to bearings of different sizes. The bottom of the moving seat 403 is provided with a hydraulic cylinder 404, which serves as a driving device, and the output end of the hydraulic cylinder 404 is fixedly connected with a push block 405. The hydraulic cylinder 404 controls the push block 405 to apply a certain force in the axial direction accurately, simulating the stress state of the bearing in actual work, and providing real working conditions for subsequent gap measurement. The push block 405 is designed to be flat and has a size that is suitable to ensure uniform distribution of the applied force, avoiding local overload and affecting the measurement results. The bottom of the moving seat 403 is provided with a measuring instrument 406 on both sides, which is a non-contact laser measuring instrument. The laser measuring instrument can measure the gap between the rolling body and the raceway of the hub tapered roller bearing with high precision, and does not need to directly contact the bearing during measurement, effectively avoiding measurement errors or potential damage to the bearing caused by mechanical contact. The laser measuring instrument can quickly collect gap data and transmit it to the display terminal through the built-in data processing module, realizing real-time monitoring and recording.

[0032] Working principle: first, start the drive assembly 2, through the motor 202 drive worm 203 rotation, worm 203 and worm gear 204 meshing, the rotation of the motor 202 is transmitted to the rotating block 301 in the clamping assembly 3. The rotation of the rotating block 301 drives the linkage movement of the connecting rod 302, the moving block 303 and the connecting rod 305, and finally drives the clamping block 306 to clamp the hub tapered roller bearing to be measured. The elastic pad layer provided on the surface of the clamping block 306 is made of wear-resistant rubber, which can increase the friction during clamping and protect the bearing surface from damage, while ensuring the stability of clamping. The sliding connection of the limiting rod 304 and the moving block 303 limits the movement range of the clamping assembly 3, ensuring the accuracy of the clamping action. After clamping, the bearing is stably fixed on the workbench 1, providing reliable positioning and support for subsequent gap measurement.

[0033] Secondly, the measuring assembly 4 starts to work, and the measuring personnel adjusts the position of the moving seat 403 through the guide rail 402 according to the size of the bearing, and aligns the measuring assembly 4 with the measuring part of the bearing. After the hydraulic cylinder 404 is started, its output end pushes the push block 405 to apply axial force to the bearing, simulating the stress state of the bearing in actual working condition. At the same time, the non-contact laser measuring instrument 406 starts to work, and the laser measuring instrument measures the gap between the rolling body and the raceway of the hub tapered roller bearing in real time through accurate laser detection technology. The measurement data is analyzed by the internal processing module of the measuring instrument 406 and transmitted to the external display terminal. The whole measurement process is fast and efficient, and the gap data is accurate and reliable, which provides a scientific basis for performance detection and quality evaluation of hub tapered roller bearings. After the measurement is completed, the hydraulic cylinder 404 and the clamping assembly 3 loosen the push block 405 and the bearing respectively, and prepare for the next measurement.

[0034] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A hub taper roller bearing gap measuring device comprising a worktable (1), characterized in that: The bottom of the workbench (1) is provided with a driving assembly (2), the inside of the workbench (1) is provided with a clamping assembly (3), and the top end of the workbench (1) is provided with a measuring assembly (4); The driving assembly (2) comprises a mounting block (201) fixedly connected to the bottom of the workbench (1), a motor (202) fixedly connected to the front side of the mounting block (201), a worm (203) fixedly connected to the output end of the motor (202), and a worm wheel (204) rotatably connected to the inside of the mounting block (201).

2. A hub taper roller bearing clearance measuring device according to claim 1, characterised in that: The clamping assembly (3) comprises a rotating block (301) rotatably connected to the inside of the workbench (1), a left and right side of the rotating block (301) rotatably connected with a connecting rod (302), a left and right side of the connecting rod (302) rotatably connected with a moving block (303), a left and right side of the moving block (303) rotatably connected with a clamping block (306), and a left and right side of the clamping block (306) rotatably connected with a connecting rod (305).

3. A hub taper roller bearing clearance measuring device according to claim 1, wherein: The measuring assembly (4) comprises a mounting frame (401) fixedly connected to the top end of the workbench (1), a guide rail (402) mounted on the inner top wall of the mounting frame (401), a moving seat (403) mounted on the outside of the guide rail (402), a hydraulic cylinder (404) mounted on the bottom of the moving seat (403), a push block (405) fixedly connected to the output end of the hydraulic cylinder (404), and a measuring instrument (406) mounted on the left and right sides of the bottom of the moving seat (403).

4. A hub taper roller bearing clearance measuring device according to claim 1, wherein: The inside of the mounting block (201) is rotatably connected with the outside of the worm (203), and the outside of the worm (203) is meshingly connected with the outside of the worm wheel (204).

5. A hub taper roller bearing clearance measuring device according to claim 2, wherein: The bottom of the rotating block (301) is fixedly connected with the top of the worm wheel (204), and the inside of the limiting rod (304) is slidably connected with the inside of the moving block (303).

6. A hub taper roller bearing clearance measuring device according to claim 2, wherein: The outside of the connecting rod (305) is slidably connected with the inside of the workbench (1), and the outside of the moving block (303) is slidably connected with the inside of the workbench (1).

7. A hub taper roller bearing clearance measuring device according to claim 2, wherein: The surface of the clamping block (306) is provided with an elastic pad layer made of wear-resistant rubber material.

8. A hub taper roller bearing clearance measuring device according to claim 3, wherein: The measuring instrument (406) is a non-contact laser measuring instrument, and the laser measuring instrument measures the gap between the rolling body and the raceway of the hub conical roller bearing.

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